+++ /dev/null
-/*
- * This is the Fusion MPT base driver providing common API layer interface
- * for access to MPT (Message Passing Technology) firmware.
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kdev_t.h>
-#include <linux/blkdev.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
-#include <linux/sort.h>
-#include <linux/io.h>
-#include <linux/time.h>
-#include <linux/kthread.h>
-#include <linux/aer.h>
-
-#include "mpt2sas_base.h"
-
-static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
-
-#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
-
-#define MAX_HBA_QUEUE_DEPTH 30000
-#define MAX_CHAIN_DEPTH 100000
-static int max_queue_depth = -1;
-module_param(max_queue_depth, int, 0);
-MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
-
-static int max_sgl_entries = -1;
-module_param(max_sgl_entries, int, 0);
-MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
-
-static int msix_disable = -1;
-module_param(msix_disable, int, 0);
-MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
-
-static int max_msix_vectors = -1;
-module_param(max_msix_vectors, int, 0);
-MODULE_PARM_DESC(max_msix_vectors, " max msix vectors ");
-
-static int mpt2sas_fwfault_debug;
-MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
- "and halt firmware - (default=0)");
-
-static int disable_discovery = -1;
-module_param(disable_discovery, int, 0);
-MODULE_PARM_DESC(disable_discovery, " disable discovery ");
-
-static int
-_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag);
-
-static int
-_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag);
-
-/**
- * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
- *
- */
-static int
-_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp)
-{
- int ret = param_set_int(val, kp);
- struct MPT2SAS_ADAPTER *ioc;
-
- if (ret)
- return ret;
-
- /* global ioc spinlock to protect controller list on list operations */
- printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug);
- spin_lock(&gioc_lock);
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
- ioc->fwfault_debug = mpt2sas_fwfault_debug;
- spin_unlock(&gioc_lock);
- return 0;
-}
-
-module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug,
- param_get_int, &mpt2sas_fwfault_debug, 0644);
-
-/**
- * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc
- * @arg: input argument, used to derive ioc
- *
- * Return 0 if controller is removed from pci subsystem.
- * Return -1 for other case.
- */
-static int mpt2sas_remove_dead_ioc_func(void *arg)
-{
- struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg;
- struct pci_dev *pdev;
-
- if ((ioc == NULL))
- return -1;
-
- pdev = ioc->pdev;
- if ((pdev == NULL))
- return -1;
- pci_stop_and_remove_bus_device_locked(pdev);
- return 0;
-}
-
-
-/**
- * _base_fault_reset_work - workq handling ioc fault conditions
- * @work: input argument, used to derive ioc
- * Context: sleep.
- *
- * Return nothing.
- */
-static void
-_base_fault_reset_work(struct work_struct *work)
-{
- struct MPT2SAS_ADAPTER *ioc =
- container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work);
- unsigned long flags;
- u32 doorbell;
- int rc;
- struct task_struct *p;
-
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- if (ioc->shost_recovery || ioc->pci_error_recovery)
- goto rearm_timer;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
-
- doorbell = mpt2sas_base_get_iocstate(ioc, 0);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
- printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n",
- ioc->name, __func__);
-
- /* It may be possible that EEH recovery can resolve some of
- * pci bus failure issues rather removing the dead ioc function
- * by considering controller is in a non-operational state. So
- * here priority is given to the EEH recovery. If it doesn't
- * not resolve this issue, mpt2sas driver will consider this
- * controller to non-operational state and remove the dead ioc
- * function.
- */
- if (ioc->non_operational_loop++ < 5) {
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock,
- flags);
- goto rearm_timer;
- }
-
- /*
- * Call _scsih_flush_pending_cmds callback so that we flush all
- * pending commands back to OS. This call is required to aovid
- * deadlock at block layer. Dead IOC will fail to do diag reset,
- * and this call is safe since dead ioc will never return any
- * command back from HW.
- */
- ioc->schedule_dead_ioc_flush_running_cmds(ioc);
- /*
- * Set remove_host flag early since kernel thread will
- * take some time to execute.
- */
- ioc->remove_host = 1;
- /*Remove the Dead Host */
- p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc,
- "mpt2sas_dead_ioc_%d", ioc->id);
- if (IS_ERR(p)) {
- printk(MPT2SAS_ERR_FMT
- "%s: Running mpt2sas_dead_ioc thread failed !!!!\n",
- ioc->name, __func__);
- } else {
- printk(MPT2SAS_ERR_FMT
- "%s: Running mpt2sas_dead_ioc thread success !!!!\n",
- ioc->name, __func__);
- }
-
- return; /* don't rearm timer */
- }
-
- ioc->non_operational_loop = 0;
-
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name,
- __func__, (rc == 0) ? "success" : "failed");
- doorbell = mpt2sas_base_get_iocstate(ioc, 0);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
- mpt2sas_base_fault_info(ioc, doorbell &
- MPI2_DOORBELL_DATA_MASK);
- }
-
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- rearm_timer:
- if (ioc->fault_reset_work_q)
- queue_delayed_work(ioc->fault_reset_work_q,
- &ioc->fault_reset_work,
- msecs_to_jiffies(FAULT_POLLING_INTERVAL));
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
-}
-
-/**
- * mpt2sas_base_start_watchdog - start the fault_reset_work_q
- * @ioc: per adapter object
- * Context: sleep.
- *
- * Return nothing.
- */
-void
-mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc)
-{
- unsigned long flags;
-
- if (ioc->fault_reset_work_q)
- return;
-
- /* initialize fault polling */
- INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
- snprintf(ioc->fault_reset_work_q_name,
- sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
- ioc->fault_reset_work_q =
- create_singlethread_workqueue(ioc->fault_reset_work_q_name);
- if (!ioc->fault_reset_work_q) {
- printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
- ioc->name, __func__, __LINE__);
- return;
- }
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- if (ioc->fault_reset_work_q)
- queue_delayed_work(ioc->fault_reset_work_q,
- &ioc->fault_reset_work,
- msecs_to_jiffies(FAULT_POLLING_INTERVAL));
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
-}
-
-/**
- * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
- * @ioc: per adapter object
- * Context: sleep.
- *
- * Return nothing.
- */
-void
-mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc)
-{
- unsigned long flags;
- struct workqueue_struct *wq;
-
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- wq = ioc->fault_reset_work_q;
- ioc->fault_reset_work_q = NULL;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- if (wq) {
- if (!cancel_delayed_work_sync(&ioc->fault_reset_work))
- flush_workqueue(wq);
- destroy_workqueue(wq);
- }
-}
-
-/**
- * mpt2sas_base_fault_info - verbose translation of firmware FAULT code
- * @ioc: per adapter object
- * @fault_code: fault code
- *
- * Return nothing.
- */
-void
-mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code)
-{
- printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n",
- ioc->name, fault_code);
-}
-
-/**
- * mpt2sas_halt_firmware - halt's mpt controller firmware
- * @ioc: per adapter object
- *
- * For debugging timeout related issues. Writing 0xCOFFEE00
- * to the doorbell register will halt controller firmware. With
- * the purpose to stop both driver and firmware, the enduser can
- * obtain a ring buffer from controller UART.
- */
-void
-mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc)
-{
- u32 doorbell;
-
- if (!ioc->fwfault_debug)
- return;
-
- dump_stack();
-
- doorbell = readl(&ioc->chip->Doorbell);
- if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
- mpt2sas_base_fault_info(ioc , doorbell);
- else {
- writel(0xC0FFEE00, &ioc->chip->Doorbell);
- printk(MPT2SAS_ERR_FMT "Firmware is halted due to command "
- "timeout\n", ioc->name);
- }
-
- panic("panic in %s\n", __func__);
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _base_sas_ioc_info - verbose translation of the ioc status
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @request_hdr: request mf
- *
- * Return nothing.
- */
-static void
-_base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
- MPI2RequestHeader_t *request_hdr)
-{
- u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- char *desc = NULL;
- u16 frame_sz;
- char *func_str = NULL;
-
- /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
- if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
- request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
- return;
-
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- return;
-
- switch (ioc_status) {
-
-/****************************************************************************
-* Common IOCStatus values for all replies
-****************************************************************************/
-
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- desc = "invalid function";
- break;
- case MPI2_IOCSTATUS_BUSY:
- desc = "busy";
- break;
- case MPI2_IOCSTATUS_INVALID_SGL:
- desc = "invalid sgl";
- break;
- case MPI2_IOCSTATUS_INTERNAL_ERROR:
- desc = "internal error";
- break;
- case MPI2_IOCSTATUS_INVALID_VPID:
- desc = "invalid vpid";
- break;
- case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
- desc = "insufficient resources";
- break;
- case MPI2_IOCSTATUS_INVALID_FIELD:
- desc = "invalid field";
- break;
- case MPI2_IOCSTATUS_INVALID_STATE:
- desc = "invalid state";
- break;
- case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
- desc = "op state not supported";
- break;
-
-/****************************************************************************
-* Config IOCStatus values
-****************************************************************************/
-
- case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
- desc = "config invalid action";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
- desc = "config invalid type";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
- desc = "config invalid page";
- break;
- case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
- desc = "config invalid data";
- break;
- case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
- desc = "config no defaults";
- break;
- case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
- desc = "config cant commit";
- break;
-
-/****************************************************************************
-* SCSI IO Reply
-****************************************************************************/
-
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- break;
-
-/****************************************************************************
-* For use by SCSI Initiator and SCSI Target end-to-end data protection
-****************************************************************************/
-
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- desc = "eedp guard error";
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- desc = "eedp ref tag error";
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- desc = "eedp app tag error";
- break;
-
-/****************************************************************************
-* SCSI Target values
-****************************************************************************/
-
- case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
- desc = "target invalid io index";
- break;
- case MPI2_IOCSTATUS_TARGET_ABORTED:
- desc = "target aborted";
- break;
- case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
- desc = "target no conn retryable";
- break;
- case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
- desc = "target no connection";
- break;
- case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
- desc = "target xfer count mismatch";
- break;
- case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
- desc = "target data offset error";
- break;
- case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
- desc = "target too much write data";
- break;
- case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
- desc = "target iu too short";
- break;
- case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
- desc = "target ack nak timeout";
- break;
- case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
- desc = "target nak received";
- break;
-
-/****************************************************************************
-* Serial Attached SCSI values
-****************************************************************************/
-
- case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
- desc = "smp request failed";
- break;
- case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
- desc = "smp data overrun";
- break;
-
-/****************************************************************************
-* Diagnostic Buffer Post / Diagnostic Release values
-****************************************************************************/
-
- case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
- desc = "diagnostic released";
- break;
- default:
- break;
- }
-
- if (!desc)
- return;
-
- switch (request_hdr->Function) {
- case MPI2_FUNCTION_CONFIG:
- frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
- func_str = "config_page";
- break;
- case MPI2_FUNCTION_SCSI_TASK_MGMT:
- frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
- func_str = "task_mgmt";
- break;
- case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
- frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
- func_str = "sas_iounit_ctl";
- break;
- case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
- frame_sz = sizeof(Mpi2SepRequest_t);
- func_str = "enclosure";
- break;
- case MPI2_FUNCTION_IOC_INIT:
- frame_sz = sizeof(Mpi2IOCInitRequest_t);
- func_str = "ioc_init";
- break;
- case MPI2_FUNCTION_PORT_ENABLE:
- frame_sz = sizeof(Mpi2PortEnableRequest_t);
- func_str = "port_enable";
- break;
- case MPI2_FUNCTION_SMP_PASSTHROUGH:
- frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
- func_str = "smp_passthru";
- break;
- default:
- frame_sz = 32;
- func_str = "unknown";
- break;
- }
-
- printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p),"
- " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str);
-
- _debug_dump_mf(request_hdr, frame_sz/4);
-}
-
-/**
- * _base_display_event_data - verbose translation of firmware asyn events
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- *
- * Return nothing.
- */
-static void
-_base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventNotificationReply_t *mpi_reply)
-{
- char *desc = NULL;
- u16 event;
-
- if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
- return;
-
- event = le16_to_cpu(mpi_reply->Event);
-
- switch (event) {
- case MPI2_EVENT_LOG_DATA:
- desc = "Log Data";
- break;
- case MPI2_EVENT_STATE_CHANGE:
- desc = "Status Change";
- break;
- case MPI2_EVENT_HARD_RESET_RECEIVED:
- desc = "Hard Reset Received";
- break;
- case MPI2_EVENT_EVENT_CHANGE:
- desc = "Event Change";
- break;
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- desc = "Device Status Change";
- break;
- case MPI2_EVENT_IR_OPERATION_STATUS:
- if (!ioc->hide_ir_msg)
- desc = "IR Operation Status";
- break;
- case MPI2_EVENT_SAS_DISCOVERY:
- {
- Mpi2EventDataSasDiscovery_t *event_data =
- (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
- printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name,
- (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
- "start" : "stop");
- if (event_data->DiscoveryStatus)
- printk("discovery_status(0x%08x)",
- le32_to_cpu(event_data->DiscoveryStatus));
- printk("\n");
- return;
- }
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- desc = "SAS Broadcast Primitive";
- break;
- case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
- desc = "SAS Init Device Status Change";
- break;
- case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
- desc = "SAS Init Table Overflow";
- break;
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- desc = "SAS Topology Change List";
- break;
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- desc = "SAS Enclosure Device Status Change";
- break;
- case MPI2_EVENT_IR_VOLUME:
- if (!ioc->hide_ir_msg)
- desc = "IR Volume";
- break;
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- if (!ioc->hide_ir_msg)
- desc = "IR Physical Disk";
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- if (!ioc->hide_ir_msg)
- desc = "IR Configuration Change List";
- break;
- case MPI2_EVENT_LOG_ENTRY_ADDED:
- if (!ioc->hide_ir_msg)
- desc = "Log Entry Added";
- break;
- case MPI2_EVENT_TEMP_THRESHOLD:
- desc = "Temperature Threshold";
- break;
- }
-
- if (!desc)
- return;
-
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc);
-}
-#endif
-
-/**
- * _base_sas_log_info - verbose translation of firmware log info
- * @ioc: per adapter object
- * @log_info: log info
- *
- * Return nothing.
- */
-static void
-_base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
-{
- union loginfo_type {
- u32 loginfo;
- struct {
- u32 subcode:16;
- u32 code:8;
- u32 originator:4;
- u32 bus_type:4;
- } dw;
- };
- union loginfo_type sas_loginfo;
- char *originator_str = NULL;
-
- sas_loginfo.loginfo = log_info;
- if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
- return;
-
- /* each nexus loss loginfo */
- if (log_info == 0x31170000)
- return;
-
- /* eat the loginfos associated with task aborts */
- if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info ==
- 0x31140000 || log_info == 0x31130000))
- return;
-
- switch (sas_loginfo.dw.originator) {
- case 0:
- originator_str = "IOP";
- break;
- case 1:
- originator_str = "PL";
- break;
- case 2:
- if (!ioc->hide_ir_msg)
- originator_str = "IR";
- else
- originator_str = "WarpDrive";
- break;
- }
-
- printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), "
- "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info,
- originator_str, sas_loginfo.dw.code,
- sas_loginfo.dw.subcode);
-}
-
-/**
- * _base_display_reply_info -
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Return nothing.
- */
-static void
-_base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
- u16 ioc_status;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
- (ioc->logging_level & MPT_DEBUG_REPLY)) {
- _base_sas_ioc_info(ioc , mpi_reply,
- mpt2sas_base_get_msg_frame(ioc, smid));
- }
-#endif
- if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
- _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo));
-}
-
-/**
- * mpt2sas_base_done - base internal command completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-u8
-mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
- return 1;
-
- if (ioc->base_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
-
- ioc->base_cmds.status |= MPT2_CMD_COMPLETE;
- if (mpi_reply) {
- ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID;
- memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- }
- ioc->base_cmds.status &= ~MPT2_CMD_PENDING;
-
- complete(&ioc->base_cmds.done);
- return 1;
-}
-
-/**
- * _base_async_event - main callback handler for firmware asyn events
- * @ioc: per adapter object
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Returns void.
- */
-static void
-_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
-{
- Mpi2EventNotificationReply_t *mpi_reply;
- Mpi2EventAckRequest_t *ack_request;
- u16 smid;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (!mpi_reply)
- return;
- if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
- return;
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- _base_display_event_data(ioc, mpi_reply);
-#endif
- if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
- goto out;
- smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- goto out;
- }
-
- ack_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
- ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
- ack_request->Event = mpi_reply->Event;
- ack_request->EventContext = mpi_reply->EventContext;
- ack_request->VF_ID = 0; /* TODO */
- ack_request->VP_ID = 0;
- mpt2sas_base_put_smid_default(ioc, smid);
-
- out:
-
- /* scsih callback handler */
- mpt2sas_scsih_event_callback(ioc, msix_index, reply);
-
- /* ctl callback handler */
- mpt2sas_ctl_event_callback(ioc, msix_index, reply);
-
- return;
-}
-
-/**
- * _base_get_cb_idx - obtain the callback index
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return callback index.
- */
-static u8
-_base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- int i;
- u8 cb_idx;
-
- if (smid < ioc->hi_priority_smid) {
- i = smid - 1;
- cb_idx = ioc->scsi_lookup[i].cb_idx;
- } else if (smid < ioc->internal_smid) {
- i = smid - ioc->hi_priority_smid;
- cb_idx = ioc->hpr_lookup[i].cb_idx;
- } else if (smid <= ioc->hba_queue_depth) {
- i = smid - ioc->internal_smid;
- cb_idx = ioc->internal_lookup[i].cb_idx;
- } else
- cb_idx = 0xFF;
- return cb_idx;
-}
-
-/**
- * _base_mask_interrupts - disable interrupts
- * @ioc: per adapter object
- *
- * Disabling ResetIRQ, Reply and Doorbell Interrupts
- *
- * Return nothing.
- */
-static void
-_base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc)
-{
- u32 him_register;
-
- ioc->mask_interrupts = 1;
- him_register = readl(&ioc->chip->HostInterruptMask);
- him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
- writel(him_register, &ioc->chip->HostInterruptMask);
- readl(&ioc->chip->HostInterruptMask);
-}
-
-/**
- * _base_unmask_interrupts - enable interrupts
- * @ioc: per adapter object
- *
- * Enabling only Reply Interrupts
- *
- * Return nothing.
- */
-static void
-_base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
-{
- u32 him_register;
-
- him_register = readl(&ioc->chip->HostInterruptMask);
- him_register &= ~MPI2_HIM_RIM;
- writel(him_register, &ioc->chip->HostInterruptMask);
- ioc->mask_interrupts = 0;
-}
-
-union reply_descriptor {
- u64 word;
- struct {
- u32 low;
- u32 high;
- } u;
-};
-
-/**
- * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
- * @irq: irq number (not used)
- * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
- * @r: pt_regs pointer (not used)
- *
- * Return IRQ_HANDLE if processed, else IRQ_NONE.
- */
-static irqreturn_t
-_base_interrupt(int irq, void *bus_id)
-{
- struct adapter_reply_queue *reply_q = bus_id;
- union reply_descriptor rd;
- u32 completed_cmds;
- u8 request_desript_type;
- u16 smid;
- u8 cb_idx;
- u32 reply;
- u8 msix_index = reply_q->msix_index;
- struct MPT2SAS_ADAPTER *ioc = reply_q->ioc;
- Mpi2ReplyDescriptorsUnion_t *rpf;
- u8 rc;
-
- if (ioc->mask_interrupts)
- return IRQ_NONE;
-
- if (!atomic_add_unless(&reply_q->busy, 1, 1))
- return IRQ_NONE;
-
- rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
- request_desript_type = rpf->Default.ReplyFlags
- & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
- if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
- atomic_dec(&reply_q->busy);
- return IRQ_NONE;
- }
-
- completed_cmds = 0;
- cb_idx = 0xFF;
- do {
- rd.word = le64_to_cpu(rpf->Words);
- if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
- goto out;
- reply = 0;
- smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
- if (request_desript_type ==
- MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
- reply = le32_to_cpu
- (rpf->AddressReply.ReplyFrameAddress);
- if (reply > ioc->reply_dma_max_address ||
- reply < ioc->reply_dma_min_address)
- reply = 0;
- } else if (request_desript_type ==
- MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
- goto next;
- else if (request_desript_type ==
- MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS)
- goto next;
- if (smid) {
- cb_idx = _base_get_cb_idx(ioc, smid);
- if ((likely(cb_idx < MPT_MAX_CALLBACKS))
- && (likely(mpt_callbacks[cb_idx] != NULL))) {
- rc = mpt_callbacks[cb_idx](ioc, smid,
- msix_index, reply);
- if (reply)
- _base_display_reply_info(ioc, smid,
- msix_index, reply);
- if (rc)
- mpt2sas_base_free_smid(ioc, smid);
- }
- }
- if (!smid)
- _base_async_event(ioc, msix_index, reply);
-
- /* reply free queue handling */
- if (reply) {
- ioc->reply_free_host_index =
- (ioc->reply_free_host_index ==
- (ioc->reply_free_queue_depth - 1)) ?
- 0 : ioc->reply_free_host_index + 1;
- ioc->reply_free[ioc->reply_free_host_index] =
- cpu_to_le32(reply);
- wmb();
- writel(ioc->reply_free_host_index,
- &ioc->chip->ReplyFreeHostIndex);
- }
-
- next:
-
- rpf->Words = cpu_to_le64(ULLONG_MAX);
- reply_q->reply_post_host_index =
- (reply_q->reply_post_host_index ==
- (ioc->reply_post_queue_depth - 1)) ? 0 :
- reply_q->reply_post_host_index + 1;
- request_desript_type =
- reply_q->reply_post_free[reply_q->reply_post_host_index].
- Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
- completed_cmds++;
- if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
- goto out;
- if (!reply_q->reply_post_host_index)
- rpf = reply_q->reply_post_free;
- else
- rpf++;
- } while (1);
-
- out:
-
- if (!completed_cmds) {
- atomic_dec(&reply_q->busy);
- return IRQ_NONE;
- }
- wmb();
- if (ioc->is_warpdrive) {
- writel(reply_q->reply_post_host_index,
- ioc->reply_post_host_index[msix_index]);
- atomic_dec(&reply_q->busy);
- return IRQ_HANDLED;
- }
- writel(reply_q->reply_post_host_index | (msix_index <<
- MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex);
- atomic_dec(&reply_q->busy);
- return IRQ_HANDLED;
-}
-
-/**
- * _base_is_controller_msix_enabled - is controller support muli-reply queues
- * @ioc: per adapter object
- *
- */
-static inline int
-_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc)
-{
- return (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
-}
-
-/**
- * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
- * @ioc: per adapter object
- * Context: ISR conext
- *
- * Called when a Task Management request has completed. We want
- * to flush the other reply queues so all the outstanding IO has been
- * completed back to OS before we process the TM completetion.
- *
- * Return nothing.
- */
-void
-mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc)
-{
- struct adapter_reply_queue *reply_q;
-
- /* If MSIX capability is turned off
- * then multi-queues are not enabled
- */
- if (!_base_is_controller_msix_enabled(ioc))
- return;
-
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- if (ioc->shost_recovery)
- return;
- /* TMs are on msix_index == 0 */
- if (reply_q->msix_index == 0)
- continue;
- _base_interrupt(reply_q->vector, (void *)reply_q);
- }
-}
-
-/**
- * mpt2sas_base_release_callback_handler - clear interrupt callback handler
- * @cb_idx: callback index
- *
- * Return nothing.
- */
-void
-mpt2sas_base_release_callback_handler(u8 cb_idx)
-{
- mpt_callbacks[cb_idx] = NULL;
-}
-
-/**
- * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler
- * @cb_func: callback function
- *
- * Returns cb_func.
- */
-u8
-mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func)
-{
- u8 cb_idx;
-
- for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
- if (mpt_callbacks[cb_idx] == NULL)
- break;
-
- mpt_callbacks[cb_idx] = cb_func;
- return cb_idx;
-}
-
-/**
- * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler
- *
- * Return nothing.
- */
-void
-mpt2sas_base_initialize_callback_handler(void)
-{
- u8 cb_idx;
-
- for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
- mpt2sas_base_release_callback_handler(cb_idx);
-}
-
-/**
- * mpt2sas_base_build_zero_len_sge - build zero length sg entry
- * @ioc: per adapter object
- * @paddr: virtual address for SGE
- *
- * Create a zero length scatter gather entry to insure the IOCs hardware has
- * something to use if the target device goes brain dead and tries
- * to send data even when none is asked for.
- *
- * Return nothing.
- */
-void
-mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr)
-{
- u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
- MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
- MPI2_SGE_FLAGS_SHIFT);
- ioc->base_add_sg_single(paddr, flags_length, -1);
-}
-
-/**
- * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
- * @paddr: virtual address for SGE
- * @flags_length: SGE flags and data transfer length
- * @dma_addr: Physical address
- *
- * Return nothing.
- */
-static void
-_base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
-{
- Mpi2SGESimple32_t *sgel = paddr;
-
- flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
- MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
- sgel->FlagsLength = cpu_to_le32(flags_length);
- sgel->Address = cpu_to_le32(dma_addr);
-}
-
-
-/**
- * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
- * @paddr: virtual address for SGE
- * @flags_length: SGE flags and data transfer length
- * @dma_addr: Physical address
- *
- * Return nothing.
- */
-static void
-_base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
-{
- Mpi2SGESimple64_t *sgel = paddr;
-
- flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
- MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
- sgel->FlagsLength = cpu_to_le32(flags_length);
- sgel->Address = cpu_to_le64(dma_addr);
-}
-
-#define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
-
-/**
- * _base_config_dma_addressing - set dma addressing
- * @ioc: per adapter object
- * @pdev: PCI device struct
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev)
-{
- struct sysinfo s;
- u64 consistent_dma_mask;
-
- if (ioc->dma_mask)
- consistent_dma_mask = DMA_BIT_MASK(64);
- else
- consistent_dma_mask = DMA_BIT_MASK(32);
-
- if (sizeof(dma_addr_t) > 4) {
- const uint64_t required_mask =
- dma_get_required_mask(&pdev->dev);
- if ((required_mask > DMA_BIT_MASK(32)) &&
- !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
- !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) {
- ioc->base_add_sg_single = &_base_add_sg_single_64;
- ioc->sge_size = sizeof(Mpi2SGESimple64_t);
- ioc->dma_mask = 64;
- goto out;
- }
- }
-
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
- && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
- ioc->base_add_sg_single = &_base_add_sg_single_32;
- ioc->sge_size = sizeof(Mpi2SGESimple32_t);
- ioc->dma_mask = 32;
- } else
- return -ENODEV;
-
- out:
- si_meminfo(&s);
- printk(MPT2SAS_INFO_FMT
- "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
- ioc->name, ioc->dma_mask, convert_to_kb(s.totalram));
-
- return 0;
-}
-
-static int
-_base_change_consistent_dma_mask(struct MPT2SAS_ADAPTER *ioc,
- struct pci_dev *pdev)
-{
- if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
- if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
- return -ENODEV;
- }
- return 0;
-}
-/**
- * _base_check_enable_msix - checks MSIX capabable.
- * @ioc: per adapter object
- *
- * Check to see if card is capable of MSIX, and set number
- * of available msix vectors
- */
-static int
-_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
-{
- int base;
- u16 message_control;
-
-
- /* Check whether controller SAS2008 B0 controller,
- if it is SAS2008 B0 controller use IO-APIC instead of MSIX */
- if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
- ioc->pdev->revision == 0x01) {
- return -EINVAL;
- }
-
- base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
- if (!base) {
- dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
- "supported\n", ioc->name));
- return -EINVAL;
- }
-
- /* get msix vector count */
- /* NUMA_IO not supported for older controllers */
- if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
- ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
- ioc->msix_vector_count = 1;
- else {
- pci_read_config_word(ioc->pdev, base + 2, &message_control);
- ioc->msix_vector_count = (message_control & 0x3FF) + 1;
- }
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
- "vector_count(%d)\n", ioc->name, ioc->msix_vector_count));
-
- return 0;
-}
-
-/**
- * _base_free_irq - free irq
- * @ioc: per adapter object
- *
- * Freeing respective reply_queue from the list.
- */
-static void
-_base_free_irq(struct MPT2SAS_ADAPTER *ioc)
-{
- struct adapter_reply_queue *reply_q, *next;
-
- if (list_empty(&ioc->reply_queue_list))
- return;
-
- list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
- list_del(&reply_q->list);
- irq_set_affinity_hint(reply_q->vector, NULL);
- free_cpumask_var(reply_q->affinity_hint);
- synchronize_irq(reply_q->vector);
- free_irq(reply_q->vector, reply_q);
- kfree(reply_q);
- }
-}
-
-/**
- * _base_request_irq - request irq
- * @ioc: per adapter object
- * @index: msix index into vector table
- * @vector: irq vector
- *
- * Inserting respective reply_queue into the list.
- */
-static int
-_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector)
-{
- struct adapter_reply_queue *reply_q;
- int r;
-
- reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
- if (!reply_q) {
- printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n",
- ioc->name, (int)sizeof(struct adapter_reply_queue));
- return -ENOMEM;
- }
- reply_q->ioc = ioc;
- reply_q->msix_index = index;
- reply_q->vector = vector;
-
- if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL))
- return -ENOMEM;
- cpumask_clear(reply_q->affinity_hint);
-
- atomic_set(&reply_q->busy, 0);
- if (ioc->msix_enable)
- snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
- MPT2SAS_DRIVER_NAME, ioc->id, index);
- else
- snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
- MPT2SAS_DRIVER_NAME, ioc->id);
- r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
- reply_q);
- if (r) {
- printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
- reply_q->name, vector);
- kfree(reply_q);
- return -EBUSY;
- }
-
- INIT_LIST_HEAD(&reply_q->list);
- list_add_tail(&reply_q->list, &ioc->reply_queue_list);
- return 0;
-}
-
-/**
- * _base_assign_reply_queues - assigning msix index for each cpu
- * @ioc: per adapter object
- *
- * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
- *
- * It would nice if we could call irq_set_affinity, however it is not
- * an exported symbol
- */
-static void
-_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
-{
- unsigned int cpu, nr_cpus, nr_msix, index = 0;
- struct adapter_reply_queue *reply_q;
-
- if (!_base_is_controller_msix_enabled(ioc))
- return;
-
- memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
-
- nr_cpus = num_online_cpus();
- nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count,
- ioc->facts.MaxMSIxVectors);
- if (!nr_msix)
- return;
-
- cpu = cpumask_first(cpu_online_mask);
-
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
-
- unsigned int i, group = nr_cpus / nr_msix;
-
- if (cpu >= nr_cpus)
- break;
-
- if (index < nr_cpus % nr_msix)
- group++;
-
- for (i = 0 ; i < group ; i++) {
- ioc->cpu_msix_table[cpu] = index;
- cpumask_or(reply_q->affinity_hint,
- reply_q->affinity_hint, get_cpu_mask(cpu));
- cpu = cpumask_next(cpu, cpu_online_mask);
- }
-
- if (irq_set_affinity_hint(reply_q->vector,
- reply_q->affinity_hint))
- dinitprintk(ioc, pr_info(MPT2SAS_FMT
- "error setting affinity hint for irq vector %d\n",
- ioc->name, reply_q->vector));
- index++;
- }
-}
-
-/**
- * _base_disable_msix - disables msix
- * @ioc: per adapter object
- *
- */
-static void
-_base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
-{
- if (ioc->msix_enable) {
- pci_disable_msix(ioc->pdev);
- ioc->msix_enable = 0;
- }
-}
-
-/**
- * _base_enable_msix - enables msix, failback to io_apic
- * @ioc: per adapter object
- *
- */
-static int
-_base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
-{
- struct msix_entry *entries, *a;
- int r;
- int i;
- u8 try_msix = 0;
-
- if (msix_disable == -1 || msix_disable == 0)
- try_msix = 1;
-
- if (!try_msix)
- goto try_ioapic;
-
- if (_base_check_enable_msix(ioc) != 0)
- goto try_ioapic;
-
- ioc->reply_queue_count = min_t(int, ioc->cpu_count,
- ioc->msix_vector_count);
-
- if (!ioc->rdpq_array_enable && max_msix_vectors == -1)
- max_msix_vectors = 8;
-
- if (max_msix_vectors > 0) {
- ioc->reply_queue_count = min_t(int, max_msix_vectors,
- ioc->reply_queue_count);
- ioc->msix_vector_count = ioc->reply_queue_count;
- } else if (max_msix_vectors == 0)
- goto try_ioapic;
-
- printk(MPT2SAS_INFO_FMT
- "MSI-X vectors supported: %d, no of cores: %d, max_msix_vectors: %d\n",
- ioc->name, ioc->msix_vector_count, ioc->cpu_count, max_msix_vectors);
-
- entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
- GFP_KERNEL);
- if (!entries) {
- dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc "
- "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- goto try_ioapic;
- }
-
- for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
- a->entry = i;
-
- r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count);
- if (r) {
- dfailprintk(ioc, printk(MPT2SAS_INFO_FMT
- "pci_enable_msix_exact failed (r=%d) !!!\n", ioc->name, r));
- kfree(entries);
- goto try_ioapic;
- }
-
- ioc->msix_enable = 1;
- for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
- r = _base_request_irq(ioc, i, a->vector);
- if (r) {
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
- kfree(entries);
- goto try_ioapic;
- }
- }
-
- kfree(entries);
- return 0;
-
-/* failback to io_apic interrupt routing */
- try_ioapic:
-
- ioc->reply_queue_count = 1;
- r = _base_request_irq(ioc, 0, ioc->pdev->irq);
-
- return r;
-}
-
-/**
- * mpt2sas_base_map_resources - map in controller resources (io/irq/memap)
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
-{
- struct pci_dev *pdev = ioc->pdev;
- u32 memap_sz;
- u32 pio_sz;
- int i, r = 0;
- u64 pio_chip = 0;
- u64 chip_phys = 0;
- struct adapter_reply_queue *reply_q;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n",
- ioc->name, __func__));
-
- ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
- if (pci_enable_device_mem(pdev)) {
- printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
- "failed\n", ioc->name);
- ioc->bars = 0;
- return -ENODEV;
- }
-
-
- if (pci_request_selected_regions(pdev, ioc->bars,
- MPT2SAS_DRIVER_NAME)) {
- printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
- "failed\n", ioc->name);
- ioc->bars = 0;
- r = -ENODEV;
- goto out_fail;
- }
-
- /* AER (Advanced Error Reporting) hooks */
- pci_enable_pcie_error_reporting(pdev);
-
- pci_set_master(pdev);
-
- if (_base_config_dma_addressing(ioc, pdev) != 0) {
- printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n",
- ioc->name, pci_name(pdev));
- r = -ENODEV;
- goto out_fail;
- }
-
- for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
- (!memap_sz || !pio_sz); i++) {
- if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
- if (pio_sz)
- continue;
- pio_chip = (u64)pci_resource_start(pdev, i);
- pio_sz = pci_resource_len(pdev, i);
- } else {
- if (memap_sz)
- continue;
- /* verify memory resource is valid before using */
- if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
- ioc->chip_phys = pci_resource_start(pdev, i);
- chip_phys = (u64)ioc->chip_phys;
- memap_sz = pci_resource_len(pdev, i);
- ioc->chip = ioremap(ioc->chip_phys, memap_sz);
- }
- }
- }
-
- if (ioc->chip == NULL) {
- printk(MPT2SAS_ERR_FMT "unable to map adapter memory! "
- "or resource not found\n", ioc->name);
- r = -EINVAL;
- goto out_fail;
- }
-
- _base_mask_interrupts(ioc);
-
- r = _base_get_ioc_facts(ioc, CAN_SLEEP);
- if (r)
- goto out_fail;
-
- if (!ioc->rdpq_array_enable_assigned) {
- ioc->rdpq_array_enable = ioc->rdpq_array_capable;
- ioc->rdpq_array_enable_assigned = 1;
- }
-
- r = _base_enable_msix(ioc);
- if (r)
- goto out_fail;
-
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
- printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
- reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
- "IO-APIC enabled"), reply_q->vector);
-
- printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
- ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
- printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
- ioc->name, (unsigned long long)pio_chip, pio_sz);
-
- /* Save PCI configuration state for recovery from PCI AER/EEH errors */
- pci_save_state(pdev);
-
- return 0;
-
- out_fail:
- if (ioc->chip_phys)
- iounmap(ioc->chip);
- ioc->chip_phys = 0;
- pci_release_selected_regions(ioc->pdev, ioc->bars);
- pci_disable_pcie_error_reporting(pdev);
- pci_disable_device(pdev);
- return r;
-}
-
-/**
- * mpt2sas_base_get_msg_frame - obtain request mf pointer
- * @ioc: per adapter object
- * @smid: system request message index(smid zero is invalid)
- *
- * Returns virt pointer to message frame.
- */
-void *
-mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return (void *)(ioc->request + (smid * ioc->request_sz));
-}
-
-/**
- * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns virt pointer to sense buffer.
- */
-void *
-mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
-}
-
-/**
- * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns phys pointer to the low 32bit address of the sense buffer.
- */
-__le32
-mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return cpu_to_le32(ioc->sense_dma +
- ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
-}
-
-/**
- * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address
- * @ioc: per adapter object
- * @phys_addr: lower 32 physical addr of the reply
- *
- * Converts 32bit lower physical addr into a virt address.
- */
-void *
-mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr)
-{
- if (!phys_addr)
- return NULL;
- return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
-}
-
-/**
- * mpt2sas_base_get_smid - obtain a free smid from internal queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- *
- * Returns smid (zero is invalid)
- */
-u16
-mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
-{
- unsigned long flags;
- struct request_tracker *request;
- u16 smid;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->internal_free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
- ioc->name, __func__);
- return 0;
- }
-
- request = list_entry(ioc->internal_free_list.next,
- struct request_tracker, tracker_list);
- request->cb_idx = cb_idx;
- smid = request->smid;
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
-}
-
-/**
- * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- * @scmd: pointer to scsi command object
- *
- * Returns smid (zero is invalid)
- */
-u16
-mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
- struct scsi_cmnd *scmd)
-{
- unsigned long flags;
- struct scsiio_tracker *request;
- u16 smid;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
- ioc->name, __func__);
- return 0;
- }
-
- request = list_entry(ioc->free_list.next,
- struct scsiio_tracker, tracker_list);
- request->scmd = scmd;
- request->cb_idx = cb_idx;
- smid = request->smid;
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
-}
-
-/**
- * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
- * @ioc: per adapter object
- * @cb_idx: callback index
- *
- * Returns smid (zero is invalid)
- */
-u16
-mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
-{
- unsigned long flags;
- struct request_tracker *request;
- u16 smid;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->hpr_free_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return 0;
- }
-
- request = list_entry(ioc->hpr_free_list.next,
- struct request_tracker, tracker_list);
- request->cb_idx = cb_idx;
- smid = request->smid;
- list_del(&request->tracker_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
-}
-
-
-/**
- * mpt2sas_base_free_smid - put smid back on free_list
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return nothing.
- */
-void
-mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- unsigned long flags;
- int i;
- struct chain_tracker *chain_req, *next;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (smid < ioc->hi_priority_smid) {
- /* scsiio queue */
- i = smid - 1;
- if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
- list_for_each_entry_safe(chain_req, next,
- &ioc->scsi_lookup[i].chain_list, tracker_list) {
- list_del_init(&chain_req->tracker_list);
- list_add(&chain_req->tracker_list,
- &ioc->free_chain_list);
- }
- }
- ioc->scsi_lookup[i].cb_idx = 0xFF;
- ioc->scsi_lookup[i].scmd = NULL;
- ioc->scsi_lookup[i].direct_io = 0;
- list_add(&ioc->scsi_lookup[i].tracker_list,
- &ioc->free_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- /*
- * See _wait_for_commands_to_complete() call with regards
- * to this code.
- */
- if (ioc->shost_recovery && ioc->pending_io_count) {
- if (ioc->pending_io_count == 1)
- wake_up(&ioc->reset_wq);
- ioc->pending_io_count--;
- }
- return;
- } else if (smid < ioc->internal_smid) {
- /* hi-priority */
- i = smid - ioc->hi_priority_smid;
- ioc->hpr_lookup[i].cb_idx = 0xFF;
- list_add(&ioc->hpr_lookup[i].tracker_list,
- &ioc->hpr_free_list);
- } else if (smid <= ioc->hba_queue_depth) {
- /* internal queue */
- i = smid - ioc->internal_smid;
- ioc->internal_lookup[i].cb_idx = 0xFF;
- list_add(&ioc->internal_lookup[i].tracker_list,
- &ioc->internal_free_list);
- }
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-}
-
-/**
- * _base_writeq - 64 bit write to MMIO
- * @ioc: per adapter object
- * @b: data payload
- * @addr: address in MMIO space
- * @writeq_lock: spin lock
- *
- * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
- * care of 32 bit environment where its not quarenteed to send the entire word
- * in one transfer.
- */
-#ifndef writeq
-static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
- spinlock_t *writeq_lock)
-{
- unsigned long flags;
- __u64 data_out = cpu_to_le64(b);
-
- spin_lock_irqsave(writeq_lock, flags);
- writel((u32)(data_out), addr);
- writel((u32)(data_out >> 32), (addr + 4));
- spin_unlock_irqrestore(writeq_lock, flags);
-}
-#else
-static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
- spinlock_t *writeq_lock)
-{
- writeq(cpu_to_le64(b), addr);
-}
-#endif
-
-static inline u8
-_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
-{
- return ioc->cpu_msix_table[raw_smp_processor_id()];
-}
-
-/**
- * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- * @handle: device handle
- *
- * Return nothing.
- */
-void
-mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle)
-{
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
-
-
- descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
- descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.SCSIIO.SMID = cpu_to_le16(smid);
- descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
- descriptor.SCSIIO.LMID = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
-}
-
-
-/**
- * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return nothing.
- */
-void
-mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
-
- descriptor.HighPriority.RequestFlags =
- MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
- descriptor.HighPriority.MSIxIndex = 0;
- descriptor.HighPriority.SMID = cpu_to_le16(smid);
- descriptor.HighPriority.LMID = 0;
- descriptor.HighPriority.Reserved1 = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
-}
-
-/**
- * mpt2sas_base_put_smid_default - Default, primarily used for config pages
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Return nothing.
- */
-void
-mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
-
- descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
- descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.Default.SMID = cpu_to_le16(smid);
- descriptor.Default.LMID = 0;
- descriptor.Default.DescriptorTypeDependent = 0;
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
-}
-
-/**
- * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware
- * @ioc: per adapter object
- * @smid: system request message index
- * @io_index: value used to track the IO
- *
- * Return nothing.
- */
-void
-mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u16 io_index)
-{
- Mpi2RequestDescriptorUnion_t descriptor;
- u64 *request = (u64 *)&descriptor;
-
- descriptor.SCSITarget.RequestFlags =
- MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET;
- descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc);
- descriptor.SCSITarget.SMID = cpu_to_le16(smid);
- descriptor.SCSITarget.LMID = 0;
- descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index);
- _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
- &ioc->scsi_lookup_lock);
-}
-
-/**
- * _base_display_dell_branding - Disply branding string
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
-{
- char dell_branding[MPT2SAS_DELL_BRANDING_SIZE];
-
- if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
- return;
-
- memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
- strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
- strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
- strncpy(dell_branding,
- MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
- strncpy(dell_branding,
- MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
- strncpy(dell_branding,
- MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_PERC_H200_SSDID:
- strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- case MPT2SAS_DELL_6GBPS_SAS_SSDID:
- strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
- MPT2SAS_DELL_BRANDING_SIZE - 1);
- break;
- default:
- sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
- break;
- }
-
- printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X),"
- " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding,
- ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor,
- ioc->pdev->subsystem_device);
-}
-
-/**
- * _base_display_intel_branding - Display branding string
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc)
-{
- if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
- return;
-
- switch (ioc->pdev->device) {
- case MPI2_MFGPAGE_DEVID_SAS2008:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_INTEL_RMS2LL080_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS2LL080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS2LL040_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS2LL040_BRANDING);
- break;
- case MPT2SAS_INTEL_SSD910_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_SSD910_BRANDING);
- break;
- default:
- break;
- }
- case MPI2_MFGPAGE_DEVID_SAS2308_2:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_INTEL_RS25GB008_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RS25GB008_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25JB080_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25JB080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25JB040_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25JB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25KB080_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25KB080_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25KB040_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25KB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25LB040_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25LB040_BRANDING);
- break;
- case MPT2SAS_INTEL_RMS25LB080_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_INTEL_RMS25LB080_BRANDING);
- break;
- default:
- break;
- }
- default:
- break;
- }
-}
-
-/**
- * _base_display_hp_branding - Display branding string
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc)
-{
- if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID)
- return;
-
- switch (ioc->pdev->device) {
- case MPI2_MFGPAGE_DEVID_SAS2004:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
- break;
- default:
- break;
- }
- case MPI2_MFGPAGE_DEVID_SAS2308_2:
- switch (ioc->pdev->subsystem_device) {
- case MPT2SAS_HP_2_4_INTERNAL_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_HP_2_4_INTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
- break;
- case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
- printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
- break;
- default:
- break;
- }
- default:
- break;
- }
-}
-
-/**
- * _base_display_ioc_capabilities - Disply IOC's capabilities.
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
-{
- int i = 0;
- char desc[16];
- u32 iounit_pg1_flags;
- u32 bios_version;
-
- bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
- strncpy(desc, ioc->manu_pg0.ChipName, 16);
- printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
- "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
- ioc->name, desc,
- (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
- (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
- (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
- ioc->facts.FWVersion.Word & 0x000000FF,
- ioc->pdev->revision,
- (bios_version & 0xFF000000) >> 24,
- (bios_version & 0x00FF0000) >> 16,
- (bios_version & 0x0000FF00) >> 8,
- bios_version & 0x000000FF);
-
- _base_display_dell_branding(ioc);
- _base_display_intel_branding(ioc);
- _base_display_hp_branding(ioc);
-
- printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name);
-
- if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
- printk("Initiator");
- i++;
- }
-
- if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
- printk("%sTarget", i ? "," : "");
- i++;
- }
-
- i = 0;
- printk("), ");
- printk("Capabilities=(");
-
- if (!ioc->hide_ir_msg) {
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
- printk("Raid");
- i++;
- }
- }
-
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
- printk("%sTLR", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
- printk("%sMulticast", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
- printk("%sBIDI Target", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
- printk("%sEEDP", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
- printk("%sSnapshot Buffer", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
- printk("%sDiag Trace Buffer", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
- printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : "");
- i++;
- }
-
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
- printk("%sTask Set Full", i ? "," : "");
- i++;
- }
-
- iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
- if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
- printk("%sNCQ", i ? "," : "");
- i++;
- }
-
- printk(")\n");
-}
-
-/**
- * mpt2sas_base_update_missing_delay - change the missing delay timers
- * @ioc: per adapter object
- * @device_missing_delay: amount of time till device is reported missing
- * @io_missing_delay: interval IO is returned when there is a missing device
- *
- * Return nothing.
- *
- * Passed on the command line, this function will modify the device missing
- * delay, as well as the io missing delay. This should be called at driver
- * load time.
- */
-void
-mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
- u16 device_missing_delay, u8 io_missing_delay)
-{
- u16 dmd, dmd_new, dmd_orignal;
- u8 io_missing_delay_original;
- u16 sz;
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2ConfigReply_t mpi_reply;
- u8 num_phys = 0;
- u16 ioc_status;
-
- mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
- if (!num_phys)
- return;
-
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- /* device missing delay */
- dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
- if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
- dmd_orignal = dmd;
- if (device_missing_delay > 0x7F) {
- dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
- device_missing_delay;
- dmd = dmd / 16;
- dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
- } else
- dmd = device_missing_delay;
- sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
-
- /* io missing delay */
- io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
- sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
-
- if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
- sz)) {
- if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- dmd_new = (dmd &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- dmd_new =
- dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
- printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
- "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
- printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
- "new(%d)\n", ioc->name, io_missing_delay_original,
- io_missing_delay);
- ioc->device_missing_delay = dmd_new;
- ioc->io_missing_delay = io_missing_delay;
- }
-
-out:
- kfree(sas_iounit_pg1);
-}
-
-/**
- * _base_static_config_pages - static start of day config pages
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2ConfigReply_t mpi_reply;
- u32 iounit_pg1_flags;
-
- mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
- if (ioc->ir_firmware)
- mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
- &ioc->manu_pg10);
- mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
- mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
- mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
- mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
- mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
- mpt2sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
- _base_display_ioc_capabilities(ioc);
-
- /*
- * Enable task_set_full handling in iounit_pg1 when the
- * facts capabilities indicate that its supported.
- */
- iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
- if ((ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
- iounit_pg1_flags &=
- ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
- else
- iounit_pg1_flags |=
- MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
- ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
- mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
-
- if (ioc->iounit_pg8.NumSensors)
- ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
-}
-
-/**
- * _base_release_memory_pools - release memory
- * @ioc: per adapter object
- *
- * Free memory allocated from _base_allocate_memory_pools.
- *
- * Return nothing.
- */
-static void
-_base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
-{
- int i = 0;
- struct reply_post_struct *rps;
-
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- if (ioc->request) {
- pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
- ioc->request, ioc->request_dma);
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)"
- ": free\n", ioc->name, ioc->request));
- ioc->request = NULL;
- }
-
- if (ioc->sense) {
- pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
- if (ioc->sense_dma_pool)
- pci_pool_destroy(ioc->sense_dma_pool);
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)"
- ": free\n", ioc->name, ioc->sense));
- ioc->sense = NULL;
- }
-
- if (ioc->reply) {
- pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
- if (ioc->reply_dma_pool)
- pci_pool_destroy(ioc->reply_dma_pool);
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)"
- ": free\n", ioc->name, ioc->reply));
- ioc->reply = NULL;
- }
-
- if (ioc->reply_free) {
- pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
- ioc->reply_free_dma);
- if (ioc->reply_free_dma_pool)
- pci_pool_destroy(ioc->reply_free_dma_pool);
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool"
- "(0x%p): free\n", ioc->name, ioc->reply_free));
- ioc->reply_free = NULL;
- }
-
- if (ioc->reply_post) {
- do {
- rps = &ioc->reply_post[i];
- if (rps->reply_post_free) {
- pci_pool_free(
- ioc->reply_post_free_dma_pool,
- rps->reply_post_free,
- rps->reply_post_free_dma);
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "reply_post_free_pool(0x%p): free\n",
- ioc->name, rps->reply_post_free));
- rps->reply_post_free = NULL;
- }
- } while (ioc->rdpq_array_enable &&
- (++i < ioc->reply_queue_count));
-
- if (ioc->reply_post_free_dma_pool)
- pci_pool_destroy(ioc->reply_post_free_dma_pool);
- kfree(ioc->reply_post);
- }
-
- if (ioc->config_page) {
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "config_page(0x%p): free\n", ioc->name,
- ioc->config_page));
- pci_free_consistent(ioc->pdev, ioc->config_page_sz,
- ioc->config_page, ioc->config_page_dma);
- }
-
- if (ioc->scsi_lookup) {
- free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
- ioc->scsi_lookup = NULL;
- }
- kfree(ioc->hpr_lookup);
- kfree(ioc->internal_lookup);
- if (ioc->chain_lookup) {
- for (i = 0; i < ioc->chain_depth; i++) {
- if (ioc->chain_lookup[i].chain_buffer)
- pci_pool_free(ioc->chain_dma_pool,
- ioc->chain_lookup[i].chain_buffer,
- ioc->chain_lookup[i].chain_buffer_dma);
- }
- if (ioc->chain_dma_pool)
- pci_pool_destroy(ioc->chain_dma_pool);
- free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
- ioc->chain_lookup = NULL;
- }
-}
-
-
-/**
- * _base_allocate_memory_pools - allocate start of day memory pools
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 success, anything else error
- */
-static int
-_base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- struct mpt2sas_facts *facts;
- u16 max_sge_elements;
- u16 chains_needed_per_io;
- u32 sz, total_sz, reply_post_free_sz;
- u32 retry_sz;
- u16 max_request_credit;
- int i;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- retry_sz = 0;
- facts = &ioc->facts;
-
- /* command line tunables for max sgl entries */
- if (max_sgl_entries != -1) {
- ioc->shost->sg_tablesize = min_t(unsigned short,
- max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS);
- if (ioc->shost->sg_tablesize > MPT2SAS_SG_DEPTH)
- printk(MPT2SAS_WARN_FMT
- "sg_tablesize(%u) is bigger than kernel defined"
- " SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name,
- ioc->shost->sg_tablesize, MPT2SAS_SG_DEPTH);
- } else {
- ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH;
- }
-
- /* command line tunables for max controller queue depth */
- if (max_queue_depth != -1 && max_queue_depth != 0) {
- max_request_credit = min_t(u16, max_queue_depth +
- ioc->hi_priority_depth + ioc->internal_depth,
- facts->RequestCredit);
- if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
- max_request_credit = MAX_HBA_QUEUE_DEPTH;
- } else
- max_request_credit = min_t(u16, facts->RequestCredit,
- MAX_HBA_QUEUE_DEPTH);
-
- ioc->hba_queue_depth = max_request_credit;
- ioc->hi_priority_depth = facts->HighPriorityCredit;
- ioc->internal_depth = ioc->hi_priority_depth + 5;
-
- /* request frame size */
- ioc->request_sz = facts->IOCRequestFrameSize * 4;
-
- /* reply frame size */
- ioc->reply_sz = facts->ReplyFrameSize * 4;
-
- retry_allocation:
- total_sz = 0;
- /* calculate number of sg elements left over in the 1st frame */
- max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
- sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size);
- ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size;
-
- /* now do the same for a chain buffer */
- max_sge_elements = ioc->request_sz - ioc->sge_size;
- ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size;
-
- ioc->chain_offset_value_for_main_message =
- ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) +
- (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4;
-
- /*
- * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
- */
- chains_needed_per_io = ((ioc->shost->sg_tablesize -
- ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
- + 1;
- if (chains_needed_per_io > facts->MaxChainDepth) {
- chains_needed_per_io = facts->MaxChainDepth;
- ioc->shost->sg_tablesize = min_t(u16,
- ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
- * chains_needed_per_io), ioc->shost->sg_tablesize);
- }
- ioc->chains_needed_per_io = chains_needed_per_io;
-
- /* reply free queue sizing - taking into account for 64 FW events */
- ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
-
- /* calculate reply descriptor post queue depth */
- ioc->reply_post_queue_depth = ioc->hba_queue_depth +
- ioc->reply_free_queue_depth + 1;
- /* align the reply post queue on the next 16 count boundary */
- if (ioc->reply_post_queue_depth % 16)
- ioc->reply_post_queue_depth += 16 -
- (ioc->reply_post_queue_depth % 16);
-
-
- if (ioc->reply_post_queue_depth >
- facts->MaxReplyDescriptorPostQueueDepth) {
- ioc->reply_post_queue_depth =
- facts->MaxReplyDescriptorPostQueueDepth -
- (facts->MaxReplyDescriptorPostQueueDepth % 16);
- ioc->hba_queue_depth =
- ((ioc->reply_post_queue_depth - 64) / 2) - 1;
- ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
- }
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: "
- "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
- "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
- ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
- ioc->chains_needed_per_io));
-
- /* reply post queue, 16 byte align */
- reply_post_free_sz = ioc->reply_post_queue_depth *
- sizeof(Mpi2DefaultReplyDescriptor_t);
-
- sz = reply_post_free_sz;
- if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable)
- sz *= ioc->reply_queue_count;
-
- ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ?
- (ioc->reply_queue_count):1,
- sizeof(struct reply_post_struct), GFP_KERNEL);
-
- if (!ioc->reply_post) {
- printk(MPT2SAS_ERR_FMT "reply_post_free pool: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
- ioc->pdev, sz, 16, 0);
- if (!ioc->reply_post_free_dma_pool) {
- printk(MPT2SAS_ERR_FMT
- "reply_post_free pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- i = 0;
- do {
- ioc->reply_post[i].reply_post_free =
- pci_pool_alloc(ioc->reply_post_free_dma_pool,
- GFP_KERNEL,
- &ioc->reply_post[i].reply_post_free_dma);
- if (!ioc->reply_post[i].reply_post_free) {
- printk(MPT2SAS_ERR_FMT
- "reply_post_free pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- memset(ioc->reply_post[i].reply_post_free, 0, sz);
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "reply post free pool (0x%p): depth(%d),"
- "element_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->reply_post[i].reply_post_free,
- ioc->reply_post_queue_depth, 8, sz/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "reply_post_free_dma = (0x%llx)\n", ioc->name,
- (unsigned long long)
- ioc->reply_post[i].reply_post_free_dma));
- total_sz += sz;
- } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count));
-
- if (ioc->dma_mask == 64) {
- if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) {
- printk(MPT2SAS_WARN_FMT
- "no suitable consistent DMA mask for %s\n",
- ioc->name, pci_name(ioc->pdev));
- goto out;
- }
- }
-
- ioc->scsiio_depth = ioc->hba_queue_depth -
- ioc->hi_priority_depth - ioc->internal_depth;
-
- /* set the scsi host can_queue depth
- * with some internal commands that could be outstanding
- */
- ioc->shost->can_queue = ioc->scsiio_depth;
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
- "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));
-
- /* contiguous pool for request and chains, 16 byte align, one extra "
- * "frame for smid=0
- */
- ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
- sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
-
- /* hi-priority queue */
- sz += (ioc->hi_priority_depth * ioc->request_sz);
-
- /* internal queue */
- sz += (ioc->internal_depth * ioc->request_sz);
-
- ioc->request_dma_sz = sz;
- ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
- if (!ioc->request) {
- printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
- "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
- "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
- ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
- if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH)
- goto out;
- retry_sz += 64;
- ioc->hba_queue_depth = max_request_credit - retry_sz;
- goto retry_allocation;
- }
-
- if (retry_sz)
- printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
- "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
- "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
- ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
-
-
- /* hi-priority queue */
- ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
- ioc->request_sz);
- ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
- ioc->request_sz);
-
- /* internal queue */
- ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
- ioc->request_sz);
- ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
- ioc->request_sz);
-
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
- "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->request, ioc->hba_queue_depth, ioc->request_sz,
- (ioc->hba_queue_depth * ioc->request_sz)/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
- ioc->name, (unsigned long long) ioc->request_dma));
- total_sz += sz;
-
- sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
- ioc->scsi_lookup_pages = get_order(sz);
- ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
- GFP_KERNEL, ioc->scsi_lookup_pages);
- if (!ioc->scsi_lookup) {
- printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, "
- "sz(%d)\n", ioc->name, (int)sz);
- goto out;
- }
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): "
- "depth(%d)\n", ioc->name, ioc->request,
- ioc->scsiio_depth));
-
- ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
- sz = ioc->chain_depth * sizeof(struct chain_tracker);
- ioc->chain_pages = get_order(sz);
-
- ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
- GFP_KERNEL, ioc->chain_pages);
- if (!ioc->chain_lookup) {
- printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, "
- "sz(%d)\n", ioc->name, (int)sz);
- goto out;
- }
- ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
- ioc->request_sz, 16, 0);
- if (!ioc->chain_dma_pool) {
- printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
- "failed\n", ioc->name);
- goto out;
- }
- for (i = 0; i < ioc->chain_depth; i++) {
- ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
- ioc->chain_dma_pool , GFP_KERNEL,
- &ioc->chain_lookup[i].chain_buffer_dma);
- if (!ioc->chain_lookup[i].chain_buffer) {
- ioc->chain_depth = i;
- goto chain_done;
- }
- total_sz += ioc->request_sz;
- }
-chain_done:
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
- "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
- ioc->request_sz))/1024));
-
- /* initialize hi-priority queue smid's */
- ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
- sizeof(struct request_tracker), GFP_KERNEL);
- if (!ioc->hpr_lookup) {
- printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->hi_priority_smid = ioc->scsiio_depth + 1;
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): "
- "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority,
- ioc->hi_priority_depth, ioc->hi_priority_smid));
-
- /* initialize internal queue smid's */
- ioc->internal_lookup = kcalloc(ioc->internal_depth,
- sizeof(struct request_tracker), GFP_KERNEL);
- if (!ioc->internal_lookup) {
- printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): "
- "depth(%d), start smid(%d)\n", ioc->name, ioc->internal,
- ioc->internal_depth, ioc->internal_smid));
-
- /* sense buffers, 4 byte align */
- sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
- ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
- 0);
- if (!ioc->sense_dma_pool) {
- printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
- &ioc->sense_dma);
- if (!ioc->sense) {
- printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
- "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
- SCSI_SENSE_BUFFERSIZE, sz/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n",
- ioc->name, (unsigned long long)ioc->sense_dma));
- total_sz += sz;
-
- /* reply pool, 4 byte align */
- sz = ioc->reply_free_queue_depth * ioc->reply_sz;
- ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
- 0);
- if (!ioc->reply_dma_pool) {
- printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
- &ioc->reply_dma);
- if (!ioc->reply) {
- printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n",
- ioc->name);
- goto out;
- }
- ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
- ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
- "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
- ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n",
- ioc->name, (unsigned long long)ioc->reply_dma));
- total_sz += sz;
-
- /* reply free queue, 16 byte align */
- sz = ioc->reply_free_queue_depth * 4;
- ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
- ioc->pdev, sz, 16, 0);
- if (!ioc->reply_free_dma_pool) {
- printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create "
- "failed\n", ioc->name);
- goto out;
- }
- ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
- &ioc->reply_free_dma);
- if (!ioc->reply_free) {
- printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc "
- "failed\n", ioc->name);
- goto out;
- }
- memset(ioc->reply_free, 0, sz);
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): "
- "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
- ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma"
- "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma));
- total_sz += sz;
-
- ioc->config_page_sz = 512;
- ioc->config_page = pci_alloc_consistent(ioc->pdev,
- ioc->config_page_sz, &ioc->config_page_dma);
- if (!ioc->config_page) {
- printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc "
- "failed\n", ioc->name);
- goto out;
- }
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size"
- "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma"
- "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma));
- total_sz += ioc->config_page_sz;
-
- printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n",
- ioc->name, total_sz/1024);
- printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), "
- "Max Controller Queue Depth(%d)\n",
- ioc->name, ioc->shost->can_queue, facts->RequestCredit);
- printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n",
- ioc->name, ioc->shost->sg_tablesize);
- return 0;
-
- out:
- return -ENOMEM;
-}
-
-
-/**
- * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter.
- * @ioc: Pointer to MPT_ADAPTER structure
- * @cooked: Request raw or cooked IOC state
- *
- * Returns all IOC Doorbell register bits if cooked==0, else just the
- * Doorbell bits in MPI_IOC_STATE_MASK.
- */
-u32
-mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked)
-{
- u32 s, sc;
-
- s = readl(&ioc->chip->Doorbell);
- sc = s & MPI2_IOC_STATE_MASK;
- return cooked ? sc : s;
-}
-
-/**
- * _base_wait_on_iocstate - waiting on a particular ioc state
- * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout,
- int sleep_flag)
-{
- u32 count, cntdn;
- u32 current_state;
-
- count = 0;
- cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
- do {
- current_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (current_state == ioc_state)
- return 0;
- if (count && current_state == MPI2_IOC_STATE_FAULT)
- break;
- if (sleep_flag == CAN_SLEEP)
- msleep(1);
- else
- udelay(500);
- count++;
- } while (--cntdn);
-
- return current_state;
-}
-
-/**
- * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
- * a write to the doorbell)
- * @ioc: per adapter object
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- *
- * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
- */
-static int
-_base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout,
- int sleep_flag)
-{
- u32 cntdn, count;
- u32 int_status;
-
- count = 0;
- cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
- do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
- if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "successful count(%d), timeout(%d)\n", ioc->name,
- __func__, count, timeout));
- return 0;
- }
- if (sleep_flag == CAN_SLEEP)
- msleep(1);
- else
- udelay(500);
- count++;
- } while (--cntdn);
-
- printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
- "int_status(%x)!\n", ioc->name, __func__, count, int_status);
- return -EFAULT;
-}
-
-/**
- * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
- * @ioc: per adapter object
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- *
- * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
- * doorbell.
- */
-static int
-_base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout,
- int sleep_flag)
-{
- u32 cntdn, count;
- u32 int_status;
- u32 doorbell;
-
- count = 0;
- cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
- do {
- int_status = readl(&ioc->chip->HostInterruptStatus);
- if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "successful count(%d), timeout(%d)\n", ioc->name,
- __func__, count, timeout));
- return 0;
- } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
- doorbell = readl(&ioc->chip->Doorbell);
- if ((doorbell & MPI2_IOC_STATE_MASK) ==
- MPI2_IOC_STATE_FAULT) {
- mpt2sas_base_fault_info(ioc , doorbell);
- return -EFAULT;
- }
- } else if (int_status == 0xFFFFFFFF)
- goto out;
-
- if (sleep_flag == CAN_SLEEP)
- msleep(1);
- else
- udelay(500);
- count++;
- } while (--cntdn);
-
- out:
- printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
- "int_status(%x)!\n", ioc->name, __func__, count, int_status);
- return -EFAULT;
-}
-
-/**
- * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
- * @ioc: per adapter object
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- *
- */
-static int
-_base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout,
- int sleep_flag)
-{
- u32 cntdn, count;
- u32 doorbell_reg;
-
- count = 0;
- cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
- do {
- doorbell_reg = readl(&ioc->chip->Doorbell);
- if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "successful count(%d), timeout(%d)\n", ioc->name,
- __func__, count, timeout));
- return 0;
- }
- if (sleep_flag == CAN_SLEEP)
- msleep(1);
- else
- udelay(500);
- count++;
- } while (--cntdn);
-
- printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
- "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg);
- return -EFAULT;
-}
-
-/**
- * _base_send_ioc_reset - send doorbell reset
- * @ioc: per adapter object
- * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout,
- int sleep_flag)
-{
- u32 ioc_state;
- int r = 0;
-
- if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
- printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n",
- ioc->name, __func__);
- return -EFAULT;
- }
-
- if (!(ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
- return -EFAULT;
-
- printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name);
-
- writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
- &ioc->chip->Doorbell);
- if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) {
- r = -EFAULT;
- goto out;
- }
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
- timeout, sleep_flag);
- if (ioc_state) {
- printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
- " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
- r = -EFAULT;
- goto out;
- }
- out:
- printk(MPT2SAS_INFO_FMT "message unit reset: %s\n",
- ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
- return r;
-}
-
-/**
- * _base_handshake_req_reply_wait - send request thru doorbell interface
- * @ioc: per adapter object
- * @request_bytes: request length
- * @request: pointer having request payload
- * @reply_bytes: reply length
- * @reply: pointer to reply payload
- * @timeout: timeout in second
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes,
- u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag)
-{
- MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
- int i;
- u8 failed;
- u16 dummy;
- __le32 *mfp;
-
- /* make sure doorbell is not in use */
- if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
- printk(MPT2SAS_ERR_FMT "doorbell is in use "
- " (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
-
- /* clear pending doorbell interrupts from previous state changes */
- if (readl(&ioc->chip->HostInterruptStatus) &
- MPI2_HIS_IOC2SYS_DB_STATUS)
- writel(0, &ioc->chip->HostInterruptStatus);
-
- /* send message to ioc */
- writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
- ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
- &ioc->chip->Doorbell);
-
- if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) {
- printk(MPT2SAS_ERR_FMT "doorbell handshake "
- "int failed (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
- writel(0, &ioc->chip->HostInterruptStatus);
-
- if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) {
- printk(MPT2SAS_ERR_FMT "doorbell handshake "
- "ack failed (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
-
- /* send message 32-bits at a time */
- for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
- writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
- if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag)))
- failed = 1;
- }
-
- if (failed) {
- printk(MPT2SAS_ERR_FMT "doorbell handshake "
- "sending request failed (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
-
- /* now wait for the reply */
- if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) {
- printk(MPT2SAS_ERR_FMT "doorbell handshake "
- "int failed (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
-
- /* read the first two 16-bits, it gives the total length of the reply */
- reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
- if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
- printk(MPT2SAS_ERR_FMT "doorbell handshake "
- "int failed (line=%d)\n", ioc->name, __LINE__);
- return -EFAULT;
- }
- reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
-
- for (i = 2; i < default_reply->MsgLength * 2; i++) {
- if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
- printk(MPT2SAS_ERR_FMT "doorbell "
- "handshake int failed (line=%d)\n", ioc->name,
- __LINE__);
- return -EFAULT;
- }
- if (i >= reply_bytes/2) /* overflow case */
- dummy = readl(&ioc->chip->Doorbell);
- else
- reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
- & MPI2_DOORBELL_DATA_MASK);
- writel(0, &ioc->chip->HostInterruptStatus);
- }
-
- _base_wait_for_doorbell_int(ioc, 5, sleep_flag);
- if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use "
- " (line=%d)\n", ioc->name, __LINE__));
- }
- writel(0, &ioc->chip->HostInterruptStatus);
-
- if (ioc->logging_level & MPT_DEBUG_INIT) {
- mfp = (__le32 *)reply;
- printk(KERN_INFO "\toffset:data\n");
- for (i = 0; i < reply_bytes/4; i++)
- printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
- le32_to_cpu(mfp[i]));
- }
- return 0;
-}
-
-/**
- * mpt2sas_base_sas_iounit_control - send sas iounit control to FW
- * @ioc: per adapter object
- * @mpi_reply: the reply payload from FW
- * @mpi_request: the request payload sent to FW
- *
- * The SAS IO Unit Control Request message allows the host to perform low-level
- * operations, such as resets on the PHYs of the IO Unit, also allows the host
- * to obtain the IOC assigned device handles for a device if it has other
- * identifying information about the device, in addition allows the host to
- * remove IOC resources associated with the device.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
- Mpi2SasIoUnitControlReply_t *mpi_reply,
- Mpi2SasIoUnitControlRequest_t *mpi_request)
-{
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- bool issue_reset = false;
- int rc;
- void *request;
- u16 wait_state_count;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- mutex_lock(&ioc->base_cmds.mutex);
-
- if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- rc = 0;
- ioc->base_cmds.status = MPT2_CMD_PENDING;
- request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
- if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
- mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
- ioc->ioc_link_reset_in_progress = 1;
- init_completion(&ioc->base_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
- msecs_to_jiffies(10000));
- if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
- mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
- ioc->ioc_link_reset_in_progress)
- ioc->ioc_link_reset_in_progress = 0;
- if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SasIoUnitControlRequest_t)/4);
- if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
- issue_reset = true;
- goto issue_host_reset;
- }
- if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
- memcpy(mpi_reply, ioc->base_cmds.reply,
- sizeof(Mpi2SasIoUnitControlReply_t));
- else
- memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- goto out;
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- rc = -EFAULT;
- out:
- mutex_unlock(&ioc->base_cmds.mutex);
- return rc;
-}
-
-
-/**
- * mpt2sas_base_scsi_enclosure_processor - sending request to sep device
- * @ioc: per adapter object
- * @mpi_reply: the reply payload from FW
- * @mpi_request: the request payload sent to FW
- *
- * The SCSI Enclosure Processor request message causes the IOC to
- * communicate with SES devices to control LED status signals.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
- Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
-{
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- bool issue_reset = false;
- int rc;
- void *request;
- u16 wait_state_count;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- mutex_lock(&ioc->base_cmds.mutex);
-
- if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- rc = 0;
- ioc->base_cmds.status = MPT2_CMD_PENDING;
- request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
- init_completion(&ioc->base_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
- msecs_to_jiffies(10000));
- if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SepRequest_t)/4);
- if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
- issue_reset = true;
- goto issue_host_reset;
- }
- if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
- memcpy(mpi_reply, ioc->base_cmds.reply,
- sizeof(Mpi2SepReply_t));
- else
- memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- goto out;
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- rc = -EFAULT;
- out:
- mutex_unlock(&ioc->base_cmds.mutex);
- return rc;
-}
-
-/**
- * _base_get_port_facts - obtain port facts reply and save in ioc
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag)
-{
- Mpi2PortFactsRequest_t mpi_request;
- Mpi2PortFactsReply_t mpi_reply;
- struct mpt2sas_port_facts *pfacts;
- int mpi_reply_sz, mpi_request_sz, r;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
- mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
- memset(&mpi_request, 0, mpi_request_sz);
- mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
- mpi_request.PortNumber = port;
- r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
- (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
-
- if (r != 0) {
- printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- return r;
- }
-
- pfacts = &ioc->pfacts[port];
- memset(pfacts, 0, sizeof(struct mpt2sas_port_facts));
- pfacts->PortNumber = mpi_reply.PortNumber;
- pfacts->VP_ID = mpi_reply.VP_ID;
- pfacts->VF_ID = mpi_reply.VF_ID;
- pfacts->MaxPostedCmdBuffers =
- le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
-
- return 0;
-}
-
-/**
- * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL
- * @ioc: per adapter object
- * @timeout:
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_wait_for_iocstate(struct MPT2SAS_ADAPTER *ioc, int timeout,
- int sleep_flag)
-{
- u32 ioc_state, doorbell;
- int rc;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- if (ioc->pci_error_recovery)
- return 0;
-
- doorbell = mpt2sas_base_get_iocstate(ioc, 0);
- ioc_state = doorbell & MPI2_IOC_STATE_MASK;
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
- ioc->name, __func__, ioc_state));
-
- switch (ioc_state) {
- case MPI2_IOC_STATE_READY:
- case MPI2_IOC_STATE_OPERATIONAL:
- return 0;
- }
-
- if (doorbell & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT
- "unexpected doorbell activ!e\n", ioc->name));
- goto issue_diag_reset;
- }
-
- if (ioc_state == MPI2_IOC_STATE_FAULT) {
- mpt2sas_base_fault_info(ioc, doorbell &
- MPI2_DOORBELL_DATA_MASK);
- goto issue_diag_reset;
- }
-
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
- timeout, sleep_flag);
- if (ioc_state) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed going to ready state (ioc_state=0x%x)\n",
- ioc->name, __func__, ioc_state);
- return -EFAULT;
- }
-
- issue_diag_reset:
- rc = _base_diag_reset(ioc, sleep_flag);
- return rc;
-}
-
-/**
- * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- Mpi2IOCFactsRequest_t mpi_request;
- Mpi2IOCFactsReply_t mpi_reply;
- struct mpt2sas_facts *facts;
- int mpi_reply_sz, mpi_request_sz, r;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- r = _base_wait_for_iocstate(ioc, 10, sleep_flag);
- if (r) {
- printk(MPT2SAS_ERR_FMT "%s: failed getting to correct state\n",
- ioc->name, __func__);
- return r;
- }
-
- mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
- mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
- memset(&mpi_request, 0, mpi_request_sz);
- mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
- r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
- (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
-
- if (r != 0) {
- printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- return r;
- }
-
- facts = &ioc->facts;
- memset(facts, 0, sizeof(struct mpt2sas_facts));
- facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
- facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
- facts->VP_ID = mpi_reply.VP_ID;
- facts->VF_ID = mpi_reply.VF_ID;
- facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
- facts->MaxChainDepth = mpi_reply.MaxChainDepth;
- facts->WhoInit = mpi_reply.WhoInit;
- facts->NumberOfPorts = mpi_reply.NumberOfPorts;
- facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
- facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
- facts->MaxReplyDescriptorPostQueueDepth =
- le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
- facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
- facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
- if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
- ioc->ir_firmware = 1;
- if ((facts->IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE))
- ioc->rdpq_array_capable = 1;
- facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
- facts->IOCRequestFrameSize =
- le16_to_cpu(mpi_reply.IOCRequestFrameSize);
- facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
- facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
- ioc->shost->max_id = -1;
- facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
- facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
- facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
- facts->HighPriorityCredit =
- le16_to_cpu(mpi_reply.HighPriorityCredit);
- facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
- facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), "
- "max chains per io(%d)\n", ioc->name, facts->RequestCredit,
- facts->MaxChainDepth));
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), "
- "reply frame size(%d)\n", ioc->name,
- facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
- return 0;
-}
-
-/**
- * _base_send_ioc_init - send ioc_init to firmware
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- Mpi2IOCInitRequest_t mpi_request;
- Mpi2IOCInitReply_t mpi_reply;
- int i, r = 0;
- struct timeval current_time;
- u16 ioc_status;
- u32 reply_post_free_array_sz = 0;
- Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL;
- dma_addr_t reply_post_free_array_dma;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
- mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
- mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
- mpi_request.VF_ID = 0; /* TODO */
- mpi_request.VP_ID = 0;
- mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION);
- mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
-
- if (_base_is_controller_msix_enabled(ioc))
- mpi_request.HostMSIxVectors = ioc->reply_queue_count;
- mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
- mpi_request.ReplyDescriptorPostQueueDepth =
- cpu_to_le16(ioc->reply_post_queue_depth);
- mpi_request.ReplyFreeQueueDepth =
- cpu_to_le16(ioc->reply_free_queue_depth);
-
- mpi_request.SenseBufferAddressHigh =
- cpu_to_le32((u64)ioc->sense_dma >> 32);
- mpi_request.SystemReplyAddressHigh =
- cpu_to_le32((u64)ioc->reply_dma >> 32);
- mpi_request.SystemRequestFrameBaseAddress =
- cpu_to_le64((u64)ioc->request_dma);
- mpi_request.ReplyFreeQueueAddress =
- cpu_to_le64((u64)ioc->reply_free_dma);
-
- if (ioc->rdpq_array_enable) {
- reply_post_free_array_sz = ioc->reply_queue_count *
- sizeof(Mpi2IOCInitRDPQArrayEntry);
- reply_post_free_array = pci_alloc_consistent(ioc->pdev,
- reply_post_free_array_sz, &reply_post_free_array_dma);
- if (!reply_post_free_array) {
- printk(MPT2SAS_ERR_FMT
- "reply_post_free_array: pci_alloc_consistent failed\n",
- ioc->name);
- r = -ENOMEM;
- goto out;
- }
- memset(reply_post_free_array, 0, reply_post_free_array_sz);
- for (i = 0; i < ioc->reply_queue_count; i++)
- reply_post_free_array[i].RDPQBaseAddress =
- cpu_to_le64(
- (u64)ioc->reply_post[i].reply_post_free_dma);
- mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE;
- mpi_request.ReplyDescriptorPostQueueAddress =
- cpu_to_le64((u64)reply_post_free_array_dma);
- } else {
- mpi_request.ReplyDescriptorPostQueueAddress =
- cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma);
- }
-
- /* This time stamp specifies number of milliseconds
- * since epoch ~ midnight January 1, 1970.
- */
- do_gettimeofday(¤t_time);
- mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
- (current_time.tv_usec / 1000));
-
- if (ioc->logging_level & MPT_DEBUG_INIT) {
- __le32 *mfp;
- int i;
-
- mfp = (__le32 *)&mpi_request;
- printk(KERN_INFO "\toffset:data\n");
- for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
- printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
- le32_to_cpu(mfp[i]));
- }
-
- r = _base_handshake_req_reply_wait(ioc,
- sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
- sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10,
- sleep_flag);
-
- if (r != 0) {
- printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
- ioc->name, __func__, r);
- goto out;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
- mpi_reply.IOCLogInfo) {
- printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__);
- r = -EIO;
- }
-
-out:
- if (reply_post_free_array)
- pci_free_consistent(ioc->pdev, reply_post_free_array_sz,
- reply_post_free_array,
- reply_post_free_array_dma);
- return r;
-}
-
-/**
- * mpt2sas_port_enable_done - command completion routine for port enable
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-u8
-mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
- u16 ioc_status;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
- return 1;
-
- if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
-
- ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE;
- if (mpi_reply) {
- ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID;
- memcpy(ioc->port_enable_cmds.reply, mpi_reply,
- mpi_reply->MsgLength*4);
- }
- ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING;
-
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
-
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- ioc->port_enable_failed = 1;
-
- if (ioc->is_driver_loading) {
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- mpt2sas_port_enable_complete(ioc);
- return 1;
- } else {
- ioc->start_scan_failed = ioc_status;
- ioc->start_scan = 0;
- return 1;
- }
- }
- complete(&ioc->port_enable_cmds.done);
- return 1;
-}
-
-
-/**
- * _base_send_port_enable - send port_enable(discovery stuff) to firmware
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- Mpi2PortEnableRequest_t *mpi_request;
- Mpi2PortEnableReply_t *mpi_reply;
- unsigned long timeleft;
- int r = 0;
- u16 smid;
- u16 ioc_status;
-
- printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
-
- if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
- printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
-
- ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->port_enable_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
- mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
-
- init_completion(&ioc->port_enable_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done,
- 300*HZ);
- if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2PortEnableRequest_t)/4);
- if (ioc->port_enable_cmds.status & MPT2_CMD_RESET)
- r = -EFAULT;
- else
- r = -ETIME;
- goto out;
- }
- mpi_reply = ioc->port_enable_cmds.reply;
-
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n",
- ioc->name, __func__, ioc_status);
- r = -EFAULT;
- goto out;
- }
- out:
- ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
- printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
- "SUCCESS" : "FAILED"));
- return r;
-}
-
-/**
- * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply)
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2PortEnableRequest_t *mpi_request;
- u16 smid;
-
- printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
-
- if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
- printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
-
- ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->port_enable_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
- mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
-
- mpt2sas_base_put_smid_default(ioc, smid);
- return 0;
-}
-
-/**
- * _base_determine_wait_on_discovery - desposition
- * @ioc: per adapter object
- *
- * Decide whether to wait on discovery to complete. Used to either
- * locate boot device, or report volumes ahead of physical devices.
- *
- * Returns 1 for wait, 0 for don't wait
- */
-static int
-_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc)
-{
- /* We wait for discovery to complete if IR firmware is loaded.
- * The sas topology events arrive before PD events, so we need time to
- * turn on the bit in ioc->pd_handles to indicate PD
- * Also, it maybe required to report Volumes ahead of physical
- * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
- */
- if (ioc->ir_firmware)
- return 1;
-
- /* if no Bios, then we don't need to wait */
- if (!ioc->bios_pg3.BiosVersion)
- return 0;
-
- /* Bios is present, then we drop down here.
- *
- * If there any entries in the Bios Page 2, then we wait
- * for discovery to complete.
- */
-
- /* Current Boot Device */
- if ((ioc->bios_pg2.CurrentBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
- /* Request Boot Device */
- (ioc->bios_pg2.ReqBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
- /* Alternate Request Boot Device */
- (ioc->bios_pg2.ReqAltBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK) ==
- MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
- return 0;
-
- return 1;
-}
-
-
-/**
- * _base_unmask_events - turn on notification for this event
- * @ioc: per adapter object
- * @event: firmware event
- *
- * The mask is stored in ioc->event_masks.
- */
-static void
-_base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event)
-{
- u32 desired_event;
-
- if (event >= 128)
- return;
-
- desired_event = (1 << (event % 32));
-
- if (event < 32)
- ioc->event_masks[0] &= ~desired_event;
- else if (event < 64)
- ioc->event_masks[1] &= ~desired_event;
- else if (event < 96)
- ioc->event_masks[2] &= ~desired_event;
- else if (event < 128)
- ioc->event_masks[3] &= ~desired_event;
-}
-
-/**
- * _base_event_notification - send event notification
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- Mpi2EventNotificationRequest_t *mpi_request;
- unsigned long timeleft;
- u16 smid;
- int r = 0;
- int i;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
- printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return -EAGAIN;
- }
- ioc->base_cmds.status = MPT2_CMD_PENDING;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->base_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
- mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
- mpi_request->EventMasks[i] =
- cpu_to_le32(ioc->event_masks[i]);
- init_completion(&ioc->base_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
- if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2EventNotificationRequest_t)/4);
- if (ioc->base_cmds.status & MPT2_CMD_RESET)
- r = -EFAULT;
- else
- r = -ETIME;
- } else
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n",
- ioc->name, __func__));
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- return r;
-}
-
-/**
- * mpt2sas_base_validate_event_type - validating event types
- * @ioc: per adapter object
- * @event: firmware event
- *
- * This will turn on firmware event notification when application
- * ask for that event. We don't mask events that are already enabled.
- */
-void
-mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type)
-{
- int i, j;
- u32 event_mask, desired_event;
- u8 send_update_to_fw;
-
- for (i = 0, send_update_to_fw = 0; i <
- MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
- event_mask = ~event_type[i];
- desired_event = 1;
- for (j = 0; j < 32; j++) {
- if (!(event_mask & desired_event) &&
- (ioc->event_masks[i] & desired_event)) {
- ioc->event_masks[i] &= ~desired_event;
- send_update_to_fw = 1;
- }
- desired_event = (desired_event << 1);
- }
- }
-
- if (!send_update_to_fw)
- return;
-
- mutex_lock(&ioc->base_cmds.mutex);
- _base_event_notification(ioc, CAN_SLEEP);
- mutex_unlock(&ioc->base_cmds.mutex);
-}
-
-/**
- * _base_diag_reset - the "big hammer" start of day reset
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- u32 host_diagnostic;
- u32 ioc_state;
- u32 count;
- u32 hcb_size;
-
- printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name);
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n",
- ioc->name));
-
- count = 0;
- do {
- /* Write magic sequence to WriteSequence register
- * Loop until in diagnostic mode
- */
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic "
- "sequence\n", ioc->name));
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
- writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
-
- /* wait 100 msec */
- if (sleep_flag == CAN_SLEEP)
- msleep(100);
- else
- mdelay(100);
-
- if (count++ > 20)
- goto out;
-
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic "
- "sequence: count(%d), host_diagnostic(0x%08x)\n",
- ioc->name, count, host_diagnostic));
-
- } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
-
- hcb_size = readl(&ioc->chip->HCBSize);
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n",
- ioc->name));
- writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
- &ioc->chip->HostDiagnostic);
-
- /* This delay allows the chip PCIe hardware time to finish reset tasks*/
- if (sleep_flag == CAN_SLEEP)
- msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
- else
- mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
-
- /* Approximately 300 second max wait */
- for (count = 0; count < (300000000 /
- MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
-
- host_diagnostic = readl(&ioc->chip->HostDiagnostic);
-
- if (host_diagnostic == 0xFFFFFFFF)
- goto out;
- if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
- break;
-
- /* Wait to pass the second read delay window */
- if (sleep_flag == CAN_SLEEP)
- msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
- /1000);
- else
- mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
- /1000);
- }
-
- if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter "
- "assuming the HCB Address points to good F/W\n",
- ioc->name));
- host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
- host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
- writel(host_diagnostic, &ioc->chip->HostDiagnostic);
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT
- "re-enable the HCDW\n", ioc->name));
- writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
- &ioc->chip->HCBSize);
- }
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n",
- ioc->name));
- writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
- &ioc->chip->HostDiagnostic);
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the "
- "diagnostic register\n", ioc->name));
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
-
- drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the "
- "READY state\n", ioc->name));
- ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20,
- sleep_flag);
- if (ioc_state) {
- printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
- " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
- goto out;
- }
-
- printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name);
- return 0;
-
- out:
- printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name);
- return -EFAULT;
-}
-
-/**
- * _base_make_ioc_ready - put controller in READY state
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- * @type: FORCE_BIG_HAMMER or SOFT_RESET
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
- enum reset_type type)
-{
- u32 ioc_state;
- int rc;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- if (ioc->pci_error_recovery)
- return 0;
-
- ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
- ioc->name, __func__, ioc_state));
-
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
- return 0;
-
- if (ioc_state & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
- "active!\n", ioc->name));
- goto issue_diag_reset;
- }
-
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt2sas_base_fault_info(ioc, ioc_state &
- MPI2_DOORBELL_DATA_MASK);
- goto issue_diag_reset;
- }
-
- if (type == FORCE_BIG_HAMMER)
- goto issue_diag_reset;
-
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
- if (!(_base_send_ioc_reset(ioc,
- MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
- ioc->ioc_reset_count++;
- return 0;
- }
-
- issue_diag_reset:
- rc = _base_diag_reset(ioc, CAN_SLEEP);
- ioc->ioc_reset_count++;
- return rc;
-}
-
-/**
- * _base_make_ioc_operational - put controller in OPERATIONAL state
- * @ioc: per adapter object
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- int r, i;
- unsigned long flags;
- u32 reply_address;
- u16 smid;
- struct _tr_list *delayed_tr, *delayed_tr_next;
- u8 hide_flag;
- struct adapter_reply_queue *reply_q;
- long reply_post_free;
- u32 reply_post_free_sz, index = 0;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- /* clean the delayed target reset list */
- list_for_each_entry_safe(delayed_tr, delayed_tr_next,
- &ioc->delayed_tr_list, list) {
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- }
-
- list_for_each_entry_safe(delayed_tr, delayed_tr_next,
- &ioc->delayed_tr_volume_list, list) {
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- }
-
- /* initialize the scsi lookup free list */
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- INIT_LIST_HEAD(&ioc->free_list);
- smid = 1;
- for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
- INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
- ioc->scsi_lookup[i].cb_idx = 0xFF;
- ioc->scsi_lookup[i].smid = smid;
- ioc->scsi_lookup[i].scmd = NULL;
- ioc->scsi_lookup[i].direct_io = 0;
- list_add_tail(&ioc->scsi_lookup[i].tracker_list,
- &ioc->free_list);
- }
-
- /* hi-priority queue */
- INIT_LIST_HEAD(&ioc->hpr_free_list);
- smid = ioc->hi_priority_smid;
- for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
- ioc->hpr_lookup[i].cb_idx = 0xFF;
- ioc->hpr_lookup[i].smid = smid;
- list_add_tail(&ioc->hpr_lookup[i].tracker_list,
- &ioc->hpr_free_list);
- }
-
- /* internal queue */
- INIT_LIST_HEAD(&ioc->internal_free_list);
- smid = ioc->internal_smid;
- for (i = 0; i < ioc->internal_depth; i++, smid++) {
- ioc->internal_lookup[i].cb_idx = 0xFF;
- ioc->internal_lookup[i].smid = smid;
- list_add_tail(&ioc->internal_lookup[i].tracker_list,
- &ioc->internal_free_list);
- }
-
- /* chain pool */
- INIT_LIST_HEAD(&ioc->free_chain_list);
- for (i = 0; i < ioc->chain_depth; i++)
- list_add_tail(&ioc->chain_lookup[i].tracker_list,
- &ioc->free_chain_list);
-
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- /* initialize Reply Free Queue */
- for (i = 0, reply_address = (u32)ioc->reply_dma ;
- i < ioc->reply_free_queue_depth ; i++, reply_address +=
- ioc->reply_sz)
- ioc->reply_free[i] = cpu_to_le32(reply_address);
-
- /* initialize reply queues */
- if (ioc->is_driver_loading)
- _base_assign_reply_queues(ioc);
-
- /* initialize Reply Post Free Queue */
- reply_post_free_sz = ioc->reply_post_queue_depth *
- sizeof(Mpi2DefaultReplyDescriptor_t);
- reply_post_free = (long)ioc->reply_post[index].reply_post_free;
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- reply_q->reply_post_host_index = 0;
- reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
- reply_post_free;
- for (i = 0; i < ioc->reply_post_queue_depth; i++)
- reply_q->reply_post_free[i].Words =
- cpu_to_le64(ULLONG_MAX);
- if (!_base_is_controller_msix_enabled(ioc))
- goto skip_init_reply_post_free_queue;
- /*
- * If RDPQ is enabled, switch to the next allocation.
- * Otherwise advance within the contiguous region.
- */
- if (ioc->rdpq_array_enable)
- reply_post_free = (long)
- ioc->reply_post[++index].reply_post_free;
- else
- reply_post_free += reply_post_free_sz;
- }
- skip_init_reply_post_free_queue:
-
- r = _base_send_ioc_init(ioc, sleep_flag);
- if (r)
- return r;
-
- /* initialize reply free host index */
- ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
- writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
-
- /* initialize reply post host index */
- list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
- writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT,
- &ioc->chip->ReplyPostHostIndex);
- if (!_base_is_controller_msix_enabled(ioc))
- goto skip_init_reply_post_host_index;
- }
-
- skip_init_reply_post_host_index:
-
- _base_unmask_interrupts(ioc);
-
- r = _base_event_notification(ioc, sleep_flag);
- if (r)
- return r;
-
- if (sleep_flag == CAN_SLEEP)
- _base_static_config_pages(ioc);
-
-
- if (ioc->is_driver_loading) {
- if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
- == 0x80) {
- hide_flag = (u8) (
- le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
- MFG_PAGE10_HIDE_SSDS_MASK);
- if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
- ioc->mfg_pg10_hide_flag = hide_flag;
- }
- ioc->wait_for_discovery_to_complete =
- _base_determine_wait_on_discovery(ioc);
- return r; /* scan_start and scan_finished support */
- }
- r = _base_send_port_enable(ioc, sleep_flag);
- if (r)
- return r;
-
- return r;
-}
-
-/**
- * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap)
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-void
-mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
-{
- struct pci_dev *pdev = ioc->pdev;
-
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- /* synchronizing freeing resource with pci_access_mutex lock */
- mutex_lock(&ioc->pci_access_mutex);
- if (ioc->chip_phys && ioc->chip) {
- _base_mask_interrupts(ioc);
- ioc->shost_recovery = 1;
- _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
- ioc->shost_recovery = 0;
- }
-
- _base_free_irq(ioc);
- _base_disable_msix(ioc);
-
- if (ioc->chip_phys && ioc->chip)
- iounmap(ioc->chip);
- ioc->chip_phys = 0;
-
- if (pci_is_enabled(pdev)) {
- pci_release_selected_regions(ioc->pdev, ioc->bars);
- pci_disable_pcie_error_reporting(pdev);
- pci_disable_device(pdev);
- }
- mutex_unlock(&ioc->pci_access_mutex);
- return;
-}
-
-/**
- * mpt2sas_base_attach - attach controller instance
- * @ioc: per adapter object
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
-{
- int r, i;
- int cpu_id, last_cpu_id = 0;
-
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- /* setup cpu_msix_table */
- ioc->cpu_count = num_online_cpus();
- for_each_online_cpu(cpu_id)
- last_cpu_id = cpu_id;
- ioc->cpu_msix_table_sz = last_cpu_id + 1;
- ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
- ioc->reply_queue_count = 1;
- if (!ioc->cpu_msix_table) {
- dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
- "cpu_msix_table failed!!!\n", ioc->name));
- r = -ENOMEM;
- goto out_free_resources;
- }
-
- if (ioc->is_warpdrive) {
- ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
- sizeof(resource_size_t *), GFP_KERNEL);
- if (!ioc->reply_post_host_index) {
- dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation "
- "for cpu_msix_table failed!!!\n", ioc->name));
- r = -ENOMEM;
- goto out_free_resources;
- }
- }
-
- ioc->rdpq_array_enable_assigned = 0;
- ioc->dma_mask = 0;
- r = mpt2sas_base_map_resources(ioc);
- if (r)
- goto out_free_resources;
-
- if (ioc->is_warpdrive) {
- ioc->reply_post_host_index[0] = (resource_size_t __iomem *)
- &ioc->chip->ReplyPostHostIndex;
-
- for (i = 1; i < ioc->cpu_msix_table_sz; i++)
- ioc->reply_post_host_index[i] =
- (resource_size_t __iomem *)
- ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
- * 4)));
- }
-
- pci_set_drvdata(ioc->pdev, ioc->shost);
- r = _base_get_ioc_facts(ioc, CAN_SLEEP);
- if (r)
- goto out_free_resources;
-
- r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
- if (r)
- goto out_free_resources;
-
- ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
- sizeof(struct mpt2sas_port_facts), GFP_KERNEL);
- if (!ioc->pfacts) {
- r = -ENOMEM;
- goto out_free_resources;
- }
-
- for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
- r = _base_get_port_facts(ioc, i, CAN_SLEEP);
- if (r)
- goto out_free_resources;
- }
-
- r = _base_allocate_memory_pools(ioc, CAN_SLEEP);
- if (r)
- goto out_free_resources;
-
- init_waitqueue_head(&ioc->reset_wq);
- /* allocate memory pd handle bitmask list */
- ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
- if (ioc->facts.MaxDevHandle % 8)
- ioc->pd_handles_sz++;
- ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
- GFP_KERNEL);
- if (!ioc->pd_handles) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
- GFP_KERNEL);
- if (!ioc->blocking_handles) {
- r = -ENOMEM;
- goto out_free_resources;
- }
- ioc->fwfault_debug = mpt2sas_fwfault_debug;
-
- /* base internal command bits */
- mutex_init(&ioc->base_cmds.mutex);
- ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
-
- /* port_enable command bits */
- ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
-
- /* transport internal command bits */
- ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
- mutex_init(&ioc->transport_cmds.mutex);
-
- /* scsih internal command bits */
- ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
- mutex_init(&ioc->scsih_cmds.mutex);
-
- /* task management internal command bits */
- ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mutex_init(&ioc->tm_cmds.mutex);
-
- /* config page internal command bits */
- ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->config_cmds.status = MPT2_CMD_NOT_USED;
- mutex_init(&ioc->config_cmds.mutex);
-
- /* ctl module internal command bits */
- ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
- ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
- mutex_init(&ioc->ctl_cmds.mutex);
-
- if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
- !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
- !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
- !ioc->ctl_cmds.sense) {
- r = -ENOMEM;
- goto out_free_resources;
- }
-
- if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
- !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
- !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
- r = -ENOMEM;
- goto out_free_resources;
- }
-
- for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
- ioc->event_masks[i] = -1;
-
- /* here we enable the events we care about */
- _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
- _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
- _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
- _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
- _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
- _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
- _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
- _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
- r = _base_make_ioc_operational(ioc, CAN_SLEEP);
- if (r)
- goto out_free_resources;
-
- ioc->non_operational_loop = 0;
-
- return 0;
-
- out_free_resources:
-
- ioc->remove_host = 1;
- mpt2sas_base_free_resources(ioc);
- _base_release_memory_pools(ioc);
- pci_set_drvdata(ioc->pdev, NULL);
- kfree(ioc->cpu_msix_table);
- if (ioc->is_warpdrive)
- kfree(ioc->reply_post_host_index);
- kfree(ioc->pd_handles);
- kfree(ioc->blocking_handles);
- kfree(ioc->tm_cmds.reply);
- kfree(ioc->transport_cmds.reply);
- kfree(ioc->scsih_cmds.reply);
- kfree(ioc->config_cmds.reply);
- kfree(ioc->base_cmds.reply);
- kfree(ioc->port_enable_cmds.reply);
- kfree(ioc->ctl_cmds.reply);
- kfree(ioc->ctl_cmds.sense);
- kfree(ioc->pfacts);
- ioc->ctl_cmds.reply = NULL;
- ioc->base_cmds.reply = NULL;
- ioc->tm_cmds.reply = NULL;
- ioc->scsih_cmds.reply = NULL;
- ioc->transport_cmds.reply = NULL;
- ioc->config_cmds.reply = NULL;
- ioc->pfacts = NULL;
- return r;
-}
-
-
-/**
- * mpt2sas_base_detach - remove controller instance
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-void
-mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
-{
-
- dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- mpt2sas_base_stop_watchdog(ioc);
- mpt2sas_base_free_resources(ioc);
- _base_release_memory_pools(ioc);
- pci_set_drvdata(ioc->pdev, NULL);
- kfree(ioc->cpu_msix_table);
- if (ioc->is_warpdrive)
- kfree(ioc->reply_post_host_index);
- kfree(ioc->pd_handles);
- kfree(ioc->blocking_handles);
- kfree(ioc->pfacts);
- kfree(ioc->ctl_cmds.reply);
- kfree(ioc->ctl_cmds.sense);
- kfree(ioc->base_cmds.reply);
- kfree(ioc->port_enable_cmds.reply);
- kfree(ioc->tm_cmds.reply);
- kfree(ioc->transport_cmds.reply);
- kfree(ioc->scsih_cmds.reply);
- kfree(ioc->config_cmds.reply);
-}
-
-/**
- * _base_reset_handler - reset callback handler (for base)
- * @ioc: per adapter object
- * @reset_phase: phase
- *
- * The handler for doing any required cleanup or initialization.
- *
- * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
- * MPT2_IOC_DONE_RESET
- *
- * Return nothing.
- */
-static void
-_base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
-{
- mpt2sas_scsih_reset_handler(ioc, reset_phase);
- mpt2sas_ctl_reset_handler(ioc, reset_phase);
- switch (reset_phase) {
- case MPT2_IOC_PRE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
- break;
- case MPT2_IOC_AFTER_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
- if (ioc->transport_cmds.status & MPT2_CMD_PENDING) {
- ioc->transport_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid);
- complete(&ioc->transport_cmds.done);
- }
- if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
- ioc->base_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid);
- complete(&ioc->base_cmds.done);
- }
- if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
- ioc->port_enable_failed = 1;
- ioc->port_enable_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
- if (ioc->is_driver_loading) {
- ioc->start_scan_failed =
- MPI2_IOCSTATUS_INTERNAL_ERROR;
- ioc->start_scan = 0;
- ioc->port_enable_cmds.status =
- MPT2_CMD_NOT_USED;
- } else
- complete(&ioc->port_enable_cmds.done);
-
- }
- if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
- ioc->config_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
- ioc->config_cmds.smid = USHRT_MAX;
- complete(&ioc->config_cmds.done);
- }
- break;
- case MPT2_IOC_DONE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
- break;
- }
-}
-
-/**
- * _wait_for_commands_to_complete - reset controller
- * @ioc: Pointer to MPT_ADAPTER structure
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- *
- * This function waiting(3s) for all pending commands to complete
- * prior to putting controller in reset.
- */
-static void
-_wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
-{
- u32 ioc_state;
- unsigned long flags;
- u16 i;
-
- ioc->pending_io_count = 0;
- if (sleep_flag != CAN_SLEEP)
- return;
-
- ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
- if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
- return;
-
- /* pending command count */
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- for (i = 0; i < ioc->scsiio_depth; i++)
- if (ioc->scsi_lookup[i].cb_idx != 0xFF)
- ioc->pending_io_count++;
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- if (!ioc->pending_io_count)
- return;
-
- /* wait for pending commands to complete */
- wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
-}
-
-/**
- * mpt2sas_base_hard_reset_handler - reset controller
- * @ioc: Pointer to MPT_ADAPTER structure
- * @sleep_flag: CAN_SLEEP or NO_SLEEP
- * @type: FORCE_BIG_HAMMER or SOFT_RESET
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
- enum reset_type type)
-{
- int r;
- unsigned long flags;
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- if (ioc->pci_error_recovery) {
- printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n",
- ioc->name, __func__);
- r = 0;
- goto out_unlocked;
- }
-
- if (mpt2sas_fwfault_debug)
- mpt2sas_halt_firmware(ioc);
-
- /* TODO - What we really should be doing is pulling
- * out all the code associated with NO_SLEEP; its never used.
- * That is legacy code from mpt fusion driver, ported over.
- * I will leave this BUG_ON here for now till its been resolved.
- */
- BUG_ON(sleep_flag == NO_SLEEP);
-
- /* wait for an active reset in progress to complete */
- if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
- do {
- ssleep(1);
- } while (ioc->shost_recovery == 1);
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
- __func__));
- return ioc->ioc_reset_in_progress_status;
- }
-
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- ioc->shost_recovery = 1;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
-
- _base_reset_handler(ioc, MPT2_IOC_PRE_RESET);
- _wait_for_commands_to_complete(ioc, sleep_flag);
- _base_mask_interrupts(ioc);
- r = _base_make_ioc_ready(ioc, sleep_flag, type);
- if (r)
- goto out;
- _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET);
-
- /* If this hard reset is called while port enable is active, then
- * there is no reason to call make_ioc_operational
- */
- if (ioc->is_driver_loading && ioc->port_enable_failed) {
- ioc->remove_host = 1;
- r = -EFAULT;
- goto out;
- }
-
- r = _base_get_ioc_facts(ioc, CAN_SLEEP);
- if (r)
- goto out;
-
- if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable)
- panic("%s: Issue occurred with flashing controller firmware."
- "Please reboot the system and ensure that the correct"
- " firmware version is running\n", ioc->name);
-
- r = _base_make_ioc_operational(ioc, sleep_flag);
- if (!r)
- _base_reset_handler(ioc, MPT2_IOC_DONE_RESET);
- out:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n",
- ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
-
- spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
- ioc->ioc_reset_in_progress_status = r;
- ioc->shost_recovery = 0;
- spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
- mutex_unlock(&ioc->reset_in_progress_mutex);
-
- out_unlocked:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
- __func__));
- return r;
-}
+++ /dev/null
-/*
- * This is the Fusion MPT base driver providing common API layer interface
- * for access to MPT (Message Passing Technology) firmware.
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_base.h
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#ifndef MPT2SAS_BASE_H_INCLUDED
-#define MPT2SAS_BASE_H_INCLUDED
-
-#include "mpi/mpi2_type.h"
-#include "mpi/mpi2.h"
-#include "mpi/mpi2_ioc.h"
-#include "mpi/mpi2_cnfg.h"
-#include "mpi/mpi2_init.h"
-#include "mpi/mpi2_raid.h"
-#include "mpi/mpi2_tool.h"
-#include "mpi/mpi2_sas.h"
-
-#include <scsi/scsi.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_host.h>
-#include <scsi/scsi_tcq.h>
-#include <scsi/scsi_transport_sas.h>
-#include <scsi/scsi_dbg.h>
-#include <scsi/scsi_eh.h>
-
-#include "mpt2sas_debug.h"
-
-/* driver versioning info */
-#define MPT2SAS_DRIVER_NAME "mpt2sas"
-#define MPT2SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
-#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION "20.100.00.00"
-#define MPT2SAS_MAJOR_VERSION 20
-#define MPT2SAS_MINOR_VERSION 100
-#define MPT2SAS_BUILD_VERSION 00
-#define MPT2SAS_RELEASE_VERSION 00
-
-/*
- * Set MPT2SAS_SG_DEPTH value based on user input.
- */
-#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
-#if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
-#define MPT2SAS_SG_DEPTH 16
-#elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
-#define MPT2SAS_SG_DEPTH 128
-#else
-#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
-#endif
-#else
-#define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
-#endif
-
-
-/*
- * Generic Defines
- */
-#define MPT2SAS_SATA_QUEUE_DEPTH 32
-#define MPT2SAS_SAS_QUEUE_DEPTH 254
-#define MPT2SAS_RAID_QUEUE_DEPTH 128
-
-#define MPT_NAME_LENGTH 32 /* generic length of strings */
-#define MPT_STRING_LENGTH 64
-
-#define MPT_MAX_CALLBACKS 16
-
-
-#define CAN_SLEEP 1
-#define NO_SLEEP 0
-
-#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
-
-#define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
-
-#define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
-
-
-/*
- * reset phases
- */
-#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
-#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
-#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
-
-/*
- * logging format
- */
-#define MPT2SAS_FMT "%s: "
-#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
-#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
-#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
-#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
-
-/*
- * Dell HBA branding
- */
-#define MPT2SAS_DELL_BRANDING_SIZE 32
-
-#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
-#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
-#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
-#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
-#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
-#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
-#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
-
-/*
- * Dell HBA SSDIDs
- */
-#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
-#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
-#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
-#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
-#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
-#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
-#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
-
-/*
- * Intel HBA branding
- */
-#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
- "Intel(R) Integrated RAID Module RMS25JB080"
-#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
- "Intel(R) Integrated RAID Module RMS25JB040"
-#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
- "Intel(R) Integrated RAID Module RMS25KB080"
-#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
- "Intel(R) Integrated RAID Module RMS25KB040"
-#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
- "Intel(R) Integrated RAID Module RMS25LB040"
-#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
- "Intel(R) Integrated RAID Module RMS25LB080"
-#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
- "Intel Integrated RAID Module RMS2LL080"
-#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
- "Intel Integrated RAID Module RMS2LL040"
-#define MPT2SAS_INTEL_RS25GB008_BRANDING \
- "Intel(R) RAID Controller RS25GB008"
-#define MPT2SAS_INTEL_SSD910_BRANDING \
- "Intel(R) SSD 910 Series"
-/*
- * Intel HBA SSDIDs
- */
-#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
-#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
-#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
-#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
-#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
-#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
-#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
-#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
-#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
-#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
-
-/*
- * HP HBA branding
- */
-#define MPT2SAS_HP_3PAR_SSVID 0x1590
-#define MPT2SAS_HP_2_4_INTERNAL_BRANDING "HP H220 Host Bus Adapter"
-#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING "HP H221 Host Bus Adapter"
-#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
-#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING "HP H220i Host Bus Adapter"
-#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING "HP H210i Host Bus Adapter"
-
-/*
- * HO HBA SSDIDs
- */
-#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
-#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
-#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
-#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
-#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
-
-/*
- * WarpDrive Specific Log codes
- */
-
-#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
-#define MPT2_WARPDRIVE_LC_SSDT (0x41)
-#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
-#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
-#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
-
-/*
- * per target private data
- */
-#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
-#define MPT_TARGET_FLAGS_VOLUME 0x02
-#define MPT_TARGET_FLAGS_DELETED 0x04
-
-/**
- * struct MPT2SAS_TARGET - starget private hostdata
- * @starget: starget object
- * @sas_address: target sas address
- * @raid_device: raid_device pointer to access volume data
- * @handle: device handle
- * @num_luns: number luns
- * @flags: MPT_TARGET_FLAGS_XXX flags
- * @deleted: target flaged for deletion
- * @tm_busy: target is busy with TM request.
- * @sdev: The sas_device associated with this target
- */
-struct MPT2SAS_TARGET {
- struct scsi_target *starget;
- u64 sas_address;
- struct _raid_device *raid_device;
- u16 handle;
- int num_luns;
- u32 flags;
- u8 deleted;
- u8 tm_busy;
- struct _sas_device *sdev;
-};
-
-
-/*
- * per device private data
- */
-#define MPT_DEVICE_FLAGS_INIT 0x01
-#define MPT_DEVICE_TLR_ON 0x02
-
-/**
- * struct MPT2SAS_DEVICE - sdev private hostdata
- * @sas_target: starget private hostdata
- * @lun: lun number
- * @flags: MPT_DEVICE_XXX flags
- * @configured_lun: lun is configured
- * @block: device is in SDEV_BLOCK state
- * @tlr_snoop_check: flag used in determining whether to disable TLR
- */
-
-/* OEM Identifiers */
-#define MFG10_OEM_ID_INVALID (0x00000000)
-#define MFG10_OEM_ID_DELL (0x00000001)
-#define MFG10_OEM_ID_FSC (0x00000002)
-#define MFG10_OEM_ID_SUN (0x00000003)
-#define MFG10_OEM_ID_IBM (0x00000004)
-
-/* GENERIC Flags 0*/
-#define MFG10_GF0_OCE_DISABLED (0x00000001)
-#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
-#define MFG10_GF0_R10_DISPLAY (0x00000004)
-#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
-#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
-
-/* OEM Specific Flags will come from OEM specific header files */
-typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
- MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
- U8 OEMIdentifier; /* 04h */
- U8 Reserved1; /* 05h */
- U16 Reserved2; /* 08h */
- U32 Reserved3; /* 0Ch */
- U32 GenericFlags0; /* 10h */
- U32 GenericFlags1; /* 14h */
- U32 Reserved4; /* 18h */
- U32 OEMSpecificFlags0; /* 1Ch */
- U32 OEMSpecificFlags1; /* 20h */
- U32 Reserved5[18]; /* 24h-60h*/
-} MPI2_CONFIG_PAGE_MAN_10,
- *PTR_MPI2_CONFIG_PAGE_MAN_10,
- Mpi2ManufacturingPage10_t, *pMpi2ManufacturingPage10_t;
-
-#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
-#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
-#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
-#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
-
-
-struct MPT2SAS_DEVICE {
- struct MPT2SAS_TARGET *sas_target;
- unsigned int lun;
- u32 flags;
- u8 configured_lun;
- u8 block;
- u8 tlr_snoop_check;
-};
-
-#define MPT2_CMD_NOT_USED 0x8000 /* free */
-#define MPT2_CMD_COMPLETE 0x0001 /* completed */
-#define MPT2_CMD_PENDING 0x0002 /* pending */
-#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
-#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
-
-/**
- * struct _internal_cmd - internal commands struct
- * @mutex: mutex
- * @done: completion
- * @reply: reply message pointer
- * @sense: sense data
- * @status: MPT2_CMD_XXX status
- * @smid: system message id
- */
-struct _internal_cmd {
- struct mutex mutex;
- struct completion done;
- void *reply;
- void *sense;
- u16 status;
- u16 smid;
-};
-
-
-/**
- * struct _sas_device - attached device information
- * @list: sas device list
- * @starget: starget object
- * @sas_address: device sas address
- * @device_name: retrieved from the SAS IDENTIFY frame.
- * @handle: device handle
- * @sas_address_parent: sas address of parent expander or sas host
- * @enclosure_handle: enclosure handle
- * @enclosure_logical_id: enclosure logical identifier
- * @volume_handle: volume handle (valid when hidden raid member)
- * @volume_wwid: volume unique identifier
- * @device_info: bitfield provides detailed info about the device
- * @id: target id
- * @channel: target channel
- * @slot: number number
- * @phy: phy identifier provided in sas device page 0
- * @responding: used in _scsih_sas_device_mark_responding
- * @pfa_led_on: flag for PFA LED status
- */
-struct _sas_device {
- struct list_head list;
- struct scsi_target *starget;
- u64 sas_address;
- u64 device_name;
- u16 handle;
- u64 sas_address_parent;
- u16 enclosure_handle;
- u64 enclosure_logical_id;
- u16 volume_handle;
- u64 volume_wwid;
- u32 device_info;
- int id;
- int channel;
- u16 slot;
- u8 phy;
- u8 responding;
- u8 pfa_led_on;
- struct kref refcount;
-};
-
-static inline void sas_device_get(struct _sas_device *s)
-{
- kref_get(&s->refcount);
-}
-
-static inline void sas_device_free(struct kref *r)
-{
- kfree(container_of(r, struct _sas_device, refcount));
-}
-
-static inline void sas_device_put(struct _sas_device *s)
-{
- kref_put(&s->refcount, sas_device_free);
-}
-
-/**
- * struct _raid_device - raid volume link list
- * @list: sas device list
- * @starget: starget object
- * @sdev: scsi device struct (volumes are single lun)
- * @wwid: unique identifier for the volume
- * @handle: device handle
- * @block_size: Block size of the volume
- * @id: target id
- * @channel: target channel
- * @volume_type: the raid level
- * @device_info: bitfield provides detailed info about the hidden components
- * @num_pds: number of hidden raid components
- * @responding: used in _scsih_raid_device_mark_responding
- * @percent_complete: resync percent complete
- * @direct_io_enabled: Whether direct io to PDs are allowed or not
- * @stripe_exponent: X where 2powX is the stripe sz in blocks
- * @block_exponent: X where 2powX is the block sz in bytes
- * @max_lba: Maximum number of LBA in the volume
- * @stripe_sz: Stripe Size of the volume
- * @device_info: Device info of the volume member disk
- * @pd_handle: Array of handles of the physical drives for direct I/O in le16
- */
-#define MPT_MAX_WARPDRIVE_PDS 8
-struct _raid_device {
- struct list_head list;
- struct scsi_target *starget;
- struct scsi_device *sdev;
- u64 wwid;
- u16 handle;
- u16 block_sz;
- int id;
- int channel;
- u8 volume_type;
- u8 num_pds;
- u8 responding;
- u8 percent_complete;
- u8 direct_io_enabled;
- u8 stripe_exponent;
- u8 block_exponent;
- u64 max_lba;
- u32 stripe_sz;
- u32 device_info;
- u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
-};
-
-/**
- * struct _boot_device - boot device info
- * @is_raid: flag to indicate whether this is volume
- * @device: holds pointer for either struct _sas_device or
- * struct _raid_device
- */
-struct _boot_device {
- u8 is_raid;
- void *device;
-};
-
-/**
- * struct _sas_port - wide/narrow sas port information
- * @port_list: list of ports belonging to expander
- * @num_phys: number of phys belonging to this port
- * @remote_identify: attached device identification
- * @rphy: sas transport rphy object
- * @port: sas transport wide/narrow port object
- * @phy_list: _sas_phy list objects belonging to this port
- */
-struct _sas_port {
- struct list_head port_list;
- u8 num_phys;
- struct sas_identify remote_identify;
- struct sas_rphy *rphy;
- struct sas_port *port;
- struct list_head phy_list;
-};
-
-/**
- * struct _sas_phy - phy information
- * @port_siblings: list of phys belonging to a port
- * @identify: phy identification
- * @remote_identify: attached device identification
- * @phy: sas transport phy object
- * @phy_id: unique phy id
- * @handle: device handle for this phy
- * @attached_handle: device handle for attached device
- * @phy_belongs_to_port: port has been created for this phy
- */
-struct _sas_phy {
- struct list_head port_siblings;
- struct sas_identify identify;
- struct sas_identify remote_identify;
- struct sas_phy *phy;
- u8 phy_id;
- u16 handle;
- u16 attached_handle;
- u8 phy_belongs_to_port;
-};
-
-/**
- * struct _sas_node - sas_host/expander information
- * @list: list of expanders
- * @parent_dev: parent device class
- * @num_phys: number phys belonging to this sas_host/expander
- * @sas_address: sas address of this sas_host/expander
- * @handle: handle for this sas_host/expander
- * @sas_address_parent: sas address of parent expander or sas host
- * @enclosure_handle: handle for this a member of an enclosure
- * @device_info: bitwise defining capabilities of this sas_host/expander
- * @responding: used in _scsih_expander_device_mark_responding
- * @phy: a list of phys that make up this sas_host/expander
- * @sas_port_list: list of ports attached to this sas_host/expander
- */
-struct _sas_node {
- struct list_head list;
- struct device *parent_dev;
- u8 num_phys;
- u64 sas_address;
- u16 handle;
- u64 sas_address_parent;
- u16 enclosure_handle;
- u64 enclosure_logical_id;
- u8 responding;
- struct _sas_phy *phy;
- struct list_head sas_port_list;
-};
-
-/**
- * enum reset_type - reset state
- * @FORCE_BIG_HAMMER: issue diagnostic reset
- * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
- */
-enum reset_type {
- FORCE_BIG_HAMMER,
- SOFT_RESET,
-};
-
-/**
- * struct chain_tracker - firmware chain tracker
- * @chain_buffer: chain buffer
- * @chain_buffer_dma: physical address
- * @tracker_list: list of free request (ioc->free_chain_list)
- */
-struct chain_tracker {
- void *chain_buffer;
- dma_addr_t chain_buffer_dma;
- struct list_head tracker_list;
-};
-
-/**
- * struct scsiio_tracker - scsi mf request tracker
- * @smid: system message id
- * @scmd: scsi request pointer
- * @cb_idx: callback index
- * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
- * @chain_list: list of chains associated to this IO
- * @tracker_list: list of free request (ioc->free_list)
- */
-struct scsiio_tracker {
- u16 smid;
- struct scsi_cmnd *scmd;
- u8 cb_idx;
- u8 direct_io;
- struct list_head chain_list;
- struct list_head tracker_list;
-};
-
-/**
- * struct request_tracker - firmware request tracker
- * @smid: system message id
- * @cb_idx: callback index
- * @tracker_list: list of free request (ioc->free_list)
- */
-struct request_tracker {
- u16 smid;
- u8 cb_idx;
- struct list_head tracker_list;
-};
-
-/**
- * struct _tr_list - target reset list
- * @handle: device handle
- * @state: state machine
- */
-struct _tr_list {
- struct list_head list;
- u16 handle;
- u16 state;
-};
-
-typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
-
-/**
- * struct adapter_reply_queue - the reply queue struct
- * @ioc: per adapter object
- * @msix_index: msix index into vector table
- * @vector: irq vector
- * @reply_post_host_index: head index in the pool where FW completes IO
- * @reply_post_free: reply post base virt address
- * @name: the name registered to request_irq()
- * @busy: isr is actively processing replies on another cpu
- * @list: this list
-*/
-struct adapter_reply_queue {
- struct MPT2SAS_ADAPTER *ioc;
- u8 msix_index;
- unsigned int vector;
- u32 reply_post_host_index;
- Mpi2ReplyDescriptorsUnion_t *reply_post_free;
- char name[MPT_NAME_LENGTH];
- atomic_t busy;
- cpumask_var_t affinity_hint;
- struct list_head list;
-};
-
-/* IOC Facts and Port Facts converted from little endian to cpu */
-union mpi2_version_union {
- MPI2_VERSION_STRUCT Struct;
- u32 Word;
-};
-
-struct mpt2sas_facts {
- u16 MsgVersion;
- u16 HeaderVersion;
- u8 IOCNumber;
- u8 VP_ID;
- u8 VF_ID;
- u16 IOCExceptions;
- u16 IOCStatus;
- u32 IOCLogInfo;
- u8 MaxChainDepth;
- u8 WhoInit;
- u8 NumberOfPorts;
- u8 MaxMSIxVectors;
- u16 RequestCredit;
- u16 ProductID;
- u32 IOCCapabilities;
- union mpi2_version_union FWVersion;
- u16 IOCRequestFrameSize;
- u16 Reserved3;
- u16 MaxInitiators;
- u16 MaxTargets;
- u16 MaxSasExpanders;
- u16 MaxEnclosures;
- u16 ProtocolFlags;
- u16 HighPriorityCredit;
- u16 MaxReplyDescriptorPostQueueDepth;
- u8 ReplyFrameSize;
- u8 MaxVolumes;
- u16 MaxDevHandle;
- u16 MaxPersistentEntries;
- u16 MinDevHandle;
-};
-
-struct mpt2sas_port_facts {
- u8 PortNumber;
- u8 VP_ID;
- u8 VF_ID;
- u8 PortType;
- u16 MaxPostedCmdBuffers;
-};
-
-struct reply_post_struct {
- Mpi2ReplyDescriptorsUnion_t *reply_post_free;
- dma_addr_t reply_post_free_dma;
-};
-
-/**
- * enum mutex_type - task management mutex type
- * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
- * @TM_MUTEX_ON: mutex is required
- */
-enum mutex_type {
- TM_MUTEX_OFF = 0,
- TM_MUTEX_ON = 1,
-};
-
-typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
-/**
- * struct MPT2SAS_ADAPTER - per adapter struct
- * @list: ioc_list
- * @shost: shost object
- * @id: unique adapter id
- * @cpu_count: number online cpus
- * @name: generic ioc string
- * @tmp_string: tmp string used for logging
- * @pdev: pci pdev object
- * @chip: memory mapped register space
- * @chip_phys: physical addrss prior to mapping
- * @logging_level: see mpt2sas_debug.h
- * @fwfault_debug: debuging FW timeouts
- * @ir_firmware: IR firmware present
- * @bars: bitmask of BAR's that must be configured
- * @mask_interrupts: ignore interrupt
- * @dma_mask: used to set the consistent dma mask
- * @fault_reset_work_q_name: fw fault work queue
- * @fault_reset_work_q: ""
- * @fault_reset_work: ""
- * @firmware_event_name: fw event work queue
- * @firmware_event_thread: ""
- * @fw_events_off: flag to turn off fw event handling
- * @fw_event_lock:
- * @fw_event_list: list of fw events
- * @aen_event_read_flag: event log was read
- * @broadcast_aen_busy: broadcast aen waiting to be serviced
- * @shost_recovery: host reset in progress
- * @ioc_reset_in_progress_lock:
- * @ioc_link_reset_in_progress: phy/hard reset in progress
- * @ignore_loginfos: ignore loginfos during task management
- * @remove_host: flag for when driver unloads, to avoid sending dev resets
- * @pci_error_recovery: flag to prevent ioc access until slot reset completes
- * @wait_for_discovery_to_complete: flag set at driver load time when
- * waiting on reporting devices
- * @is_driver_loading: flag set at driver load time
- * @port_enable_failed: flag set when port enable has failed
- * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
- * @start_scan_failed: means port enable failed, return's the ioc_status
- * @msix_enable: flag indicating msix is enabled
- * @msix_vector_count: number msix vectors
- * @cpu_msix_table: table for mapping cpus to msix index
- * @cpu_msix_table_sz: table size
- * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
- * @scsi_io_cb_idx: shost generated commands
- * @tm_cb_idx: task management commands
- * @scsih_cb_idx: scsih internal commands
- * @transport_cb_idx: transport internal commands
- * @ctl_cb_idx: clt internal commands
- * @base_cb_idx: base internal commands
- * @config_cb_idx: base internal commands
- * @tm_tr_cb_idx : device removal target reset handshake
- * @tm_tr_volume_cb_idx : volume removal target reset
- * @base_cmds:
- * @transport_cmds:
- * @scsih_cmds:
- * @tm_cmds:
- * @ctl_cmds:
- * @config_cmds:
- * @base_add_sg_single: handler for either 32/64 bit sgl's
- * @event_type: bits indicating which events to log
- * @event_context: unique id for each logged event
- * @event_log: event log pointer
- * @event_masks: events that are masked
- * @facts: static facts data
- * @pfacts: static port facts data
- * @manu_pg0: static manufacturing page 0
- * @manu_pg10: static manufacturing page 10
- * @bios_pg2: static bios page 2
- * @bios_pg3: static bios page 3
- * @ioc_pg8: static ioc page 8
- * @iounit_pg0: static iounit page 0
- * @iounit_pg1: static iounit page 1
- * @iounit_pg8: static iounit page 8
- * @sas_hba: sas host object
- * @sas_expander_list: expander object list
- * @sas_node_lock:
- * @sas_device_list: sas device object list
- * @sas_device_init_list: sas device object list (used only at init time)
- * @sas_device_lock:
- * @io_missing_delay: time for IO completed by fw when PDR enabled
- * @device_missing_delay: time for device missing by fw when PDR enabled
- * @sas_id : used for setting volume target IDs
- * @blocking_handles: bitmask used to identify which devices need blocking
- * @pd_handles : bitmask for PD handles
- * @pd_handles_sz : size of pd_handle bitmask
- * @config_page_sz: config page size
- * @config_page: reserve memory for config page payload
- * @config_page_dma:
- * @hba_queue_depth: hba request queue depth
- * @sge_size: sg element size for either 32/64 bit
- * @scsiio_depth: SCSI_IO queue depth
- * @request_sz: per request frame size
- * @request: pool of request frames
- * @request_dma:
- * @request_dma_sz:
- * @scsi_lookup: firmware request tracker list
- * @scsi_lookup_lock:
- * @free_list: free list of request
- * @chain: pool of chains
- * @pending_io_count:
- * @reset_wq:
- * @chain_dma:
- * @max_sges_in_main_message: number sg elements in main message
- * @max_sges_in_chain_message: number sg elements per chain
- * @chains_needed_per_io: max chains per io
- * @chain_offset_value_for_main_message: location 1st sg in main
- * @chain_depth: total chains allocated
- * @hi_priority_smid:
- * @hi_priority:
- * @hi_priority_dma:
- * @hi_priority_depth:
- * @hpr_lookup:
- * @hpr_free_list:
- * @internal_smid:
- * @internal:
- * @internal_dma:
- * @internal_depth:
- * @internal_lookup:
- * @internal_free_list:
- * @sense: pool of sense
- * @sense_dma:
- * @sense_dma_pool:
- * @reply_depth: hba reply queue depth:
- * @reply_sz: per reply frame size:
- * @reply: pool of replys:
- * @reply_dma:
- * @reply_dma_pool:
- * @reply_free_queue_depth: reply free depth
- * @reply_free: pool for reply free queue (32 bit addr)
- * @reply_free_dma:
- * @reply_free_dma_pool:
- * @reply_free_host_index: tail index in pool to insert free replys
- * @reply_post_queue_depth: reply post queue depth
- * @reply_post_struct: struct for reply_post_free physical & virt address
- * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
- * @rdpq_array_enable: rdpq_array support is enabled in the driver
- * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
- * is assigned only ones
- * @reply_queue_count: number of reply queue's
- * @reply_queue_list: link list contaning the reply queue info
- * @reply_post_host_index: head index in the pool where FW completes IO
- * @delayed_tr_list: target reset link list
- * @delayed_tr_volume_list: volume target reset link list
- * @@temp_sensors_count: flag to carry the number of temperature sensors
- * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
- * pci resource handling. PCI resource freeing will lead to free
- * vital hardware/memory resource, which might be in use by cli/sysfs
- * path functions resulting in Null pointer reference followed by kernel
- * crash. To avoid the above race condition we use mutex syncrhonization
- * which ensures the syncrhonization between cli/sysfs_show path
- */
-struct MPT2SAS_ADAPTER {
- struct list_head list;
- struct Scsi_Host *shost;
- u8 id;
- int cpu_count;
- char name[MPT_NAME_LENGTH];
- char tmp_string[MPT_STRING_LENGTH];
- struct pci_dev *pdev;
- Mpi2SystemInterfaceRegs_t __iomem *chip;
- resource_size_t chip_phys;
- int logging_level;
- int fwfault_debug;
- u8 ir_firmware;
- int bars;
- u8 mask_interrupts;
- int dma_mask;
-
- /* fw fault handler */
- char fault_reset_work_q_name[20];
- struct workqueue_struct *fault_reset_work_q;
- struct delayed_work fault_reset_work;
-
- /* fw event handler */
- char firmware_event_name[20];
- struct workqueue_struct *firmware_event_thread;
- spinlock_t fw_event_lock;
- struct list_head fw_event_list;
-
- /* misc flags */
- int aen_event_read_flag;
- u8 broadcast_aen_busy;
- u16 broadcast_aen_pending;
- u8 shost_recovery;
-
- struct mutex reset_in_progress_mutex;
- spinlock_t ioc_reset_in_progress_lock;
- u8 ioc_link_reset_in_progress;
- u8 ioc_reset_in_progress_status;
-
- u8 ignore_loginfos;
- u8 remove_host;
- u8 pci_error_recovery;
- u8 wait_for_discovery_to_complete;
- struct completion port_enable_done;
- u8 is_driver_loading;
- u8 port_enable_failed;
-
- u8 start_scan;
- u16 start_scan_failed;
-
- u8 msix_enable;
- u16 msix_vector_count;
- u8 *cpu_msix_table;
- resource_size_t __iomem **reply_post_host_index;
- u16 cpu_msix_table_sz;
- u32 ioc_reset_count;
- MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
- u32 non_operational_loop;
-
- /* internal commands, callback index */
- u8 scsi_io_cb_idx;
- u8 tm_cb_idx;
- u8 transport_cb_idx;
- u8 scsih_cb_idx;
- u8 ctl_cb_idx;
- u8 base_cb_idx;
- u8 port_enable_cb_idx;
- u8 config_cb_idx;
- u8 tm_tr_cb_idx;
- u8 tm_tr_volume_cb_idx;
- u8 tm_sas_control_cb_idx;
- struct _internal_cmd base_cmds;
- struct _internal_cmd port_enable_cmds;
- struct _internal_cmd transport_cmds;
- struct _internal_cmd scsih_cmds;
- struct _internal_cmd tm_cmds;
- struct _internal_cmd ctl_cmds;
- struct _internal_cmd config_cmds;
-
- MPT_ADD_SGE base_add_sg_single;
-
- /* event log */
- u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
- u32 event_context;
- void *event_log;
- u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
-
- /* static config pages */
- struct mpt2sas_facts facts;
- struct mpt2sas_port_facts *pfacts;
- Mpi2ManufacturingPage0_t manu_pg0;
- Mpi2BiosPage2_t bios_pg2;
- Mpi2BiosPage3_t bios_pg3;
- Mpi2IOCPage8_t ioc_pg8;
- Mpi2IOUnitPage0_t iounit_pg0;
- Mpi2IOUnitPage1_t iounit_pg1;
- Mpi2IOUnitPage8_t iounit_pg8;
-
- struct _boot_device req_boot_device;
- struct _boot_device req_alt_boot_device;
- struct _boot_device current_boot_device;
-
- /* sas hba, expander, and device list */
- struct _sas_node sas_hba;
- struct list_head sas_expander_list;
- spinlock_t sas_node_lock;
- struct list_head sas_device_list;
- struct list_head sas_device_init_list;
- spinlock_t sas_device_lock;
- struct list_head raid_device_list;
- spinlock_t raid_device_lock;
- u8 io_missing_delay;
- u16 device_missing_delay;
- int sas_id;
- void *blocking_handles;
- void *pd_handles;
- u16 pd_handles_sz;
-
- /* config page */
- u16 config_page_sz;
- void *config_page;
- dma_addr_t config_page_dma;
-
- /* scsiio request */
- u16 hba_queue_depth;
- u16 sge_size;
- u16 scsiio_depth;
- u16 request_sz;
- u8 *request;
- dma_addr_t request_dma;
- u32 request_dma_sz;
- struct scsiio_tracker *scsi_lookup;
- ulong scsi_lookup_pages;
- spinlock_t scsi_lookup_lock;
- struct list_head free_list;
- int pending_io_count;
- wait_queue_head_t reset_wq;
-
- /* chain */
- struct chain_tracker *chain_lookup;
- struct list_head free_chain_list;
- struct dma_pool *chain_dma_pool;
- ulong chain_pages;
- u16 max_sges_in_main_message;
- u16 max_sges_in_chain_message;
- u16 chains_needed_per_io;
- u16 chain_offset_value_for_main_message;
- u32 chain_depth;
-
- /* hi-priority queue */
- u16 hi_priority_smid;
- u8 *hi_priority;
- dma_addr_t hi_priority_dma;
- u16 hi_priority_depth;
- struct request_tracker *hpr_lookup;
- struct list_head hpr_free_list;
-
- /* internal queue */
- u16 internal_smid;
- u8 *internal;
- dma_addr_t internal_dma;
- u16 internal_depth;
- struct request_tracker *internal_lookup;
- struct list_head internal_free_list;
-
- /* sense */
- u8 *sense;
- dma_addr_t sense_dma;
- struct dma_pool *sense_dma_pool;
-
- /* reply */
- u16 reply_sz;
- u8 *reply;
- dma_addr_t reply_dma;
- u32 reply_dma_max_address;
- u32 reply_dma_min_address;
- struct dma_pool *reply_dma_pool;
-
- /* reply free queue */
- u16 reply_free_queue_depth;
- __le32 *reply_free;
- dma_addr_t reply_free_dma;
- struct dma_pool *reply_free_dma_pool;
- u32 reply_free_host_index;
-
- /* reply post queue */
- u16 reply_post_queue_depth;
- struct reply_post_struct *reply_post;
- u8 rdpq_array_capable;
- u8 rdpq_array_enable;
- u8 rdpq_array_enable_assigned;
- struct dma_pool *reply_post_free_dma_pool;
- u8 reply_queue_count;
- struct list_head reply_queue_list;
-
- struct list_head delayed_tr_list;
- struct list_head delayed_tr_volume_list;
- u8 temp_sensors_count;
-
- /* diag buffer support */
- u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
- u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
- dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
- u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
- u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
- Mpi2ManufacturingPage10_t manu_pg10;
- u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
- u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
- u32 ring_buffer_offset;
- u32 ring_buffer_sz;
- u8 is_warpdrive;
- u8 hide_ir_msg;
- u8 mfg_pg10_hide_flag;
- u8 hide_drives;
-
- struct mutex pci_access_mutex;
-};
-
-typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply);
-
-
-/* base shared API */
-extern struct list_head mpt2sas_ioc_list;
-/* spinlock on list operations over IOCs
- * Case: when multiple warpdrive cards(IOCs) are in use
- * Each IOC will added to the ioc list stucture on initialization.
- * Watchdog threads run at regular intervals to check IOC for any
- * fault conditions which will trigger the dead_ioc thread to
- * deallocate pci resource, resulting deleting the IOC netry from list,
- * this deletion need to protected by spinlock to enusre that
- * ioc removal is syncrhonized, if not synchronized it might lead to
- * list_del corruption as the ioc list is traversed in cli path
- */
-extern spinlock_t gioc_lock;
-void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
-void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
-
-int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
-void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
-int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
-void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
-int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
- enum reset_type type);
-
-void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
-__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
- u16 smid);
-void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
-
-/* hi-priority queue */
-u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
-u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
- struct scsi_cmnd *scmd);
-
-u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
-void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u16 handle);
-void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u16 io_index);
-void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-void mpt2sas_base_initialize_callback_handler(void);
-u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
-void mpt2sas_base_release_callback_handler(u8 cb_idx);
-
-u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply);
-u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u8 msix_index, u32 reply);
-void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
-
-u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
-
-void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
-int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
- Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
- *mpi_request);
-int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
- Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
-void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
-
-void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
-
-void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
- u16 device_missing_delay, u8 io_missing_delay);
-
-int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
-
-/* scsih shared API */
-void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
- u32 reply);
-int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- uint channel, uint id, uint lun, u8 type, u16 smid_task,
- ulong timeout, enum mutex_type m_type);
-void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
-void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
-void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
-void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address);
-struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
- u16 handle);
-struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
- *ioc, u64 sas_address);
-struct _sas_device *mpt2sas_get_sdev_by_addr(
- struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
-struct _sas_device *__mpt2sas_get_sdev_by_addr(
- struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
-
-void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
-void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
-
-/* config shared API */
-u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply);
-int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
-int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
-int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
-int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2BiosPage2_t *config_page);
-int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2BiosPage3_t *config_page);
-int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2IOUnitPage0_t *config_page);
-int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
-int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
-int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
-int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2IOUnitPage1_t *config_page);
-int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2IOUnitPage1_t *config_page);
-int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
-int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
-int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
-int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
-int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2IOCPage8_t *config_page);
-int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
-int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
-int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
-int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
-int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
-int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
-int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
-int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
-int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
- u32 form_specific);
-int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
- u16 *volume_handle);
-int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
- u64 *wwid);
-/* ctl shared API */
-extern struct device_attribute *mpt2sas_host_attrs[];
-extern struct device_attribute *mpt2sas_dev_attrs[];
-void mpt2sas_ctl_init(void);
-void mpt2sas_ctl_exit(void);
-u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply);
-void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
-void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
- u32 reply);
-void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventNotificationReply_t *mpi_reply);
-
-void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
- u8 bits_to_regsiter);
-
-/* transport shared API */
-u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply);
-struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
- u16 handle, u64 sas_address);
-void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u64 sas_address_parent);
-int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
- *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
-int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
- *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
-void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
-extern struct sas_function_template mpt2sas_transport_functions;
-extern struct scsi_transport_template *mpt2sas_transport_template;
-extern int scsi_internal_device_block(struct scsi_device *sdev);
-extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
- u8 msix_index, u32 reply);
-extern int scsi_internal_device_unblock(struct scsi_device *sdev,
- enum scsi_device_state new_state);
-
-#endif /* MPT2SAS_BASE_H_INCLUDED */
+++ /dev/null
-/*
- * This module provides common API for accessing firmware configuration pages
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/blkdev.h>
-#include <linux/sched.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include "mpt2sas_base.h"
-
-/* local definitions */
-
-/* Timeout for config page request (in seconds) */
-#define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15
-
-/* Common sgl flags for READING a config page. */
-#define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
- | MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT)
-
-/* Common sgl flags for WRITING a config page. */
-#define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
- | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \
- << MPI2_SGE_FLAGS_SHIFT)
-
-/**
- * struct config_request - obtain dma memory via routine
- * @sz: size
- * @page: virt pointer
- * @page_dma: phys pointer
- *
- */
-struct config_request{
- u16 sz;
- void *page;
- dma_addr_t page_dma;
-};
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _config_display_some_debug - debug routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @calling_function_name: string pass from calling function
- * @mpi_reply: reply message frame
- * Context: none.
- *
- * Function for displaying debug info helpful when debugging issues
- * in this module.
- */
-static void
-_config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
-{
- Mpi2ConfigRequest_t *mpi_request;
- char *desc = NULL;
-
- if (!(ioc->logging_level & MPT_DEBUG_CONFIG))
- return;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {
- case MPI2_CONFIG_PAGETYPE_IO_UNIT:
- desc = "io_unit";
- break;
- case MPI2_CONFIG_PAGETYPE_IOC:
- desc = "ioc";
- break;
- case MPI2_CONFIG_PAGETYPE_BIOS:
- desc = "bios";
- break;
- case MPI2_CONFIG_PAGETYPE_RAID_VOLUME:
- desc = "raid_volume";
- break;
- case MPI2_CONFIG_PAGETYPE_MANUFACTURING:
- desc = "manufaucturing";
- break;
- case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK:
- desc = "physdisk";
- break;
- case MPI2_CONFIG_PAGETYPE_EXTENDED:
- switch (mpi_request->ExtPageType) {
- case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT:
- desc = "sas_io_unit";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER:
- desc = "sas_expander";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE:
- desc = "sas_device";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY:
- desc = "sas_phy";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_LOG:
- desc = "log";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE:
- desc = "enclosure";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG:
- desc = "raid_config";
- break;
- case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING:
- desc = "driver_mapping";
- break;
- }
- break;
- }
-
- if (!desc)
- return;
-
- printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), "
- "smid(%d)\n", ioc->name, calling_function_name, desc,
- mpi_request->Header.PageNumber, mpi_request->Action,
- le32_to_cpu(mpi_request->PageAddress), smid);
-
- if (!mpi_reply)
- return;
-
- if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
- printk(MPT2SAS_INFO_FMT
- "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo));
-}
-#endif
-
-/**
- * _config_alloc_config_dma_memory - obtain physical memory
- * @ioc: per adapter object
- * @mem: struct config_request
- *
- * A wrapper for obtaining dma-able memory for config page request.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
- struct config_request *mem)
-{
- int r = 0;
-
- if (mem->sz > ioc->config_page_sz) {
- mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,
- &mem->page_dma, GFP_KERNEL);
- if (!mem->page) {
- printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent"
- " failed asking for (%d) bytes!!\n",
- ioc->name, __func__, mem->sz);
- r = -ENOMEM;
- }
- } else { /* use tmp buffer if less than 512 bytes */
- mem->page = ioc->config_page;
- mem->page_dma = ioc->config_page_dma;
- }
- return r;
-}
-
-/**
- * _config_free_config_dma_memory - wrapper to free the memory
- * @ioc: per adapter object
- * @mem: struct config_request
- *
- * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static void
-_config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
- struct config_request *mem)
-{
- if (mem->sz > ioc->config_page_sz)
- dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,
- mem->page_dma);
-}
-
-/**
- * mpt2sas_config_done - config page completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: none.
- *
- * The callback handler when using _config_request.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-u8
-mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- if (ioc->config_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->config_cmds.smid != smid)
- return 1;
- ioc->config_cmds.status |= MPT2_CMD_COMPLETE;
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply) {
- ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID;
- memcpy(ioc->config_cmds.reply, mpi_reply,
- mpi_reply->MsgLength*4);
- }
- ioc->config_cmds.status &= ~MPT2_CMD_PENDING;
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- _config_display_some_debug(ioc, smid, "config_done", mpi_reply);
-#endif
- ioc->config_cmds.smid = USHRT_MAX;
- complete(&ioc->config_cmds.done);
- return 1;
-}
-
-/**
- * _config_request - main routine for sending config page requests
- * @ioc: per adapter object
- * @mpi_request: request message frame
- * @mpi_reply: reply mf payload returned from firmware
- * @timeout: timeout in seconds
- * @config_page: contents of the config page
- * @config_page_sz: size of config page
- * Context: sleep
- *
- * A generic API for config page requests to firmware.
- *
- * The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling
- * this API.
- *
- * The callback index is set inside `ioc->config_cb_idx.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
- *mpi_request, Mpi2ConfigReply_t *mpi_reply, int timeout,
- void *config_page, u16 config_page_sz)
-{
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- Mpi2ConfigRequest_t *config_request;
- int r;
- u8 retry_count, issue_host_reset = 0;
- u16 wait_state_count;
- struct config_request mem;
-
- mutex_lock(&ioc->config_cmds.mutex);
- if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
- ioc->name, __func__);
- mutex_unlock(&ioc->config_cmds.mutex);
- return -EAGAIN;
- }
-
- retry_count = 0;
- memset(&mem, 0, sizeof(struct config_request));
-
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
-
- if (config_page) {
- mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;
- mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;
- mpi_request->Header.PageType = mpi_reply->Header.PageType;
- mpi_request->Header.PageLength = mpi_reply->Header.PageLength;
- mpi_request->ExtPageLength = mpi_reply->ExtPageLength;
- mpi_request->ExtPageType = mpi_reply->ExtPageType;
- if (mpi_request->Header.PageLength)
- mem.sz = mpi_request->Header.PageLength * 4;
- else
- mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;
- r = _config_alloc_config_dma_memory(ioc, &mem);
- if (r != 0)
- goto out;
- if (mpi_request->Action ==
- MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT ||
- mpi_request->Action ==
- MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) {
- ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
- MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz,
- mem.page_dma);
- memcpy(mem.page, config_page, min_t(u16, mem.sz,
- config_page_sz));
- } else {
- memset(config_page, 0, config_page_sz);
- ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
- MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma);
- }
- }
-
- retry_config:
- if (retry_count) {
- if (retry_count > 2) { /* attempt only 2 retries */
- r = -EFAULT;
- goto free_mem;
- }
- printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
- ioc->name, __func__, retry_count);
- }
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- ioc->config_cmds.status = MPT2_CMD_NOT_USED;
- r = -EFAULT;
- goto free_mem;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- ioc->config_cmds.status = MPT2_CMD_NOT_USED;
- r = -EAGAIN;
- goto free_mem;
- }
-
- r = 0;
- memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t));
- ioc->config_cmds.status = MPT2_CMD_PENDING;
- config_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->config_cmds.smid = smid;
- memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t));
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- _config_display_some_debug(ioc, smid, "config_request", NULL);
-#endif
- init_completion(&ioc->config_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
- timeout*HZ);
- if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2ConfigRequest_t)/4);
- retry_count++;
- if (ioc->config_cmds.smid == smid)
- mpt2sas_base_free_smid(ioc, smid);
- if ((ioc->shost_recovery) || (ioc->config_cmds.status &
- MPT2_CMD_RESET) || ioc->pci_error_recovery)
- goto retry_config;
- issue_host_reset = 1;
- r = -EFAULT;
- goto free_mem;
- }
-
- if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
- memcpy(mpi_reply, ioc->config_cmds.reply,
- sizeof(Mpi2ConfigReply_t));
- if (retry_count)
- printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n",
- ioc->name, __func__, retry_count);
- if (config_page && mpi_request->Action ==
- MPI2_CONFIG_ACTION_PAGE_READ_CURRENT)
- memcpy(config_page, mem.page, min_t(u16, mem.sz,
- config_page_sz));
- free_mem:
- if (config_page)
- _config_free_config_dma_memory(ioc, &mem);
- out:
- ioc->config_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->config_cmds.mutex);
-
- if (issue_host_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- return r;
-}
-
-/**
- * mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
- mpi_request.Header.PageNumber = 10;
- mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_bios_pg2 - obtain bios page 2
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
- mpi_request.Header.PageNumber = 2;
- mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_bios_pg3 - obtain bios page 3
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2BiosPage3_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
- mpi_request.Header.PageNumber = 3;
- mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg0 - obtain iounit page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg1 - obtain iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_set_iounit_pg1 - set iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg3 - obtain iounit page 3
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
- mpi_request.Header.PageNumber = 3;
- mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg8 - obtain iounit page 8
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
- mpi_request.Header.PageNumber = 8;
- mpi_request.Header.PageVersion = MPI2_IOUNITPAGE8_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
- mpi_request.Header.PageNumber = 8;
- mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: device handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
- mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION;
- mpi_request.Header.PageNumber = 0;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: device handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
- mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION;
- mpi_request.Header.PageNumber = 1;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_number_hba_phys - obtain number of phys on the host
- * @ioc: per adapter object
- * @num_phys: pointer returned with the number of phys
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
- u16 ioc_status;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasIOUnitPage0_t config_page;
-
- *num_phys = 0;
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
- sizeof(Mpi2SasIOUnitPage0_t));
- if (!r) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
- *num_phys = config_page.NumPhys;
- }
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
- _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_expander_pg0 - obtain expander page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_expander_pg1 - obtain expander page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number,
- u16 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress =
- cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
- (phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_phy_pg0 - obtain phy page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress =
- cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_phy_pg1 - obtain phy page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress =
- cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: volume handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
- u32 handle)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
- mpi_request.Header.PageNumber = 1;
- mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume
- * @ioc: per adapter object
- * @handle: volume handle
- * @num_pds: returns pds count
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- u8 *num_pds)
-{
- Mpi2ConfigRequest_t mpi_request;
- Mpi2RaidVolPage0_t config_page;
- Mpi2ConfigReply_t mpi_reply;
- int r;
- u16 ioc_status;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- *num_pds = 0;
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress =
- cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
- sizeof(Mpi2RaidVolPage0_t));
- if (!r) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
- *num_pds = config_page.NumPhysDisks;
- }
-
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: volume handle
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
- Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
- u32 handle, u16 sz)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | handle);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE
- * @form_specific: specific to the form
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
- *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
- u32 form_specific)
-{
- Mpi2ConfigRequest_t mpi_request;
- int r;
-
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK;
- mpi_request.Header.PageNumber = 0;
- mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.PageAddress = cpu_to_le32(form | form_specific);
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- r = _config_request(ioc, &mpi_request, mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- sizeof(*config_page));
- out:
- return r;
-}
-
-/**
- * mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components
- * @ioc: per adapter object
- * @pd_handle: phys disk handle
- * @volume_handle: volume handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
- u16 *volume_handle)
-{
- Mpi2RaidConfigurationPage0_t *config_page = NULL;
- Mpi2ConfigRequest_t mpi_request;
- Mpi2ConfigReply_t mpi_reply;
- int r, i, config_page_sz;
- u16 ioc_status;
- int config_num;
- u16 element_type;
- u16 phys_disk_dev_handle;
-
- *volume_handle = 0;
- memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
- mpi_request.Function = MPI2_FUNCTION_CONFIG;
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
- mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
- mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG;
- mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION;
- mpi_request.Header.PageNumber = 0;
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
- if (r)
- goto out;
-
- mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
- config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4);
- config_page = kmalloc(config_page_sz, GFP_KERNEL);
- if (!config_page) {
- r = -1;
- goto out;
- }
- config_num = 0xff;
- while (1) {
- mpi_request.PageAddress = cpu_to_le32(config_num +
- MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM);
- r = _config_request(ioc, &mpi_request, &mpi_reply,
- MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
- config_page_sz);
- if (r)
- goto out;
- r = -1;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- goto out;
- for (i = 0; i < config_page->NumElements; i++) {
- element_type = le16_to_cpu(config_page->
- ConfigElement[i].ElementFlags) &
- MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE;
- if (element_type ==
- MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT ||
- element_type ==
- MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT) {
- phys_disk_dev_handle =
- le16_to_cpu(config_page->ConfigElement[i].
- PhysDiskDevHandle);
- if (phys_disk_dev_handle == pd_handle) {
- *volume_handle =
- le16_to_cpu(config_page->
- ConfigElement[i].VolDevHandle);
- r = 0;
- goto out;
- }
- } else if (element_type ==
- MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT) {
- *volume_handle = 0;
- r = 0;
- goto out;
- }
- }
- config_num = config_page->ConfigNum;
- }
- out:
- kfree(config_page);
- return r;
-}
-
-/**
- * mpt2sas_config_get_volume_wwid - returns wwid given the volume handle
- * @ioc: per adapter object
- * @volume_handle: volume handle
- * @wwid: volume wwid
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
- u64 *wwid)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2RaidVolPage1_t raid_vol_pg1;
-
- *wwid = 0;
- if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE,
- volume_handle))) {
- *wwid = le64_to_cpu(raid_vol_pg1.WWID);
- return 0;
- } else
- return -1;
-}
+++ /dev/null
-/*
- * Management Module Support for MPT (Message Passing Technology) based
- * controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/mutex.h>
-#include <linux/compat.h>
-#include <linux/poll.h>
-
-#include <linux/io.h>
-#include <linux/uaccess.h>
-
-#include "mpt2sas_base.h"
-#include "mpt2sas_ctl.h"
-
-static DEFINE_MUTEX(_ctl_mutex);
-static struct fasync_struct *async_queue;
-static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
-
-static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
- u8 *issue_reset);
-
-/**
- * enum block_state - blocking state
- * @NON_BLOCKING: non blocking
- * @BLOCKING: blocking
- *
- * These states are for ioctls that need to wait for a response
- * from firmware, so they probably require sleep.
- */
-enum block_state {
- NON_BLOCKING,
- BLOCKING,
-};
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _ctl_sas_device_find_by_handle - sas device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for sas_device based on sas_address, then return sas_device
- * object.
- */
-static struct _sas_device *
-_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device, *r;
-
- r = NULL;
- list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
- if (sas_device->handle != handle)
- continue;
- r = sas_device;
- goto out;
- }
-
- out:
- return r;
-}
-
-/**
- * _ctl_display_some_debug - debug routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @calling_function_name: string pass from calling function
- * @mpi_reply: reply message frame
- * Context: none.
- *
- * Function for displaying debug info helpful when debugging issues
- * in this module.
- */
-static void
-_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
-{
- Mpi2ConfigRequest_t *mpi_request;
- char *desc = NULL;
-
- if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
- return;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- switch (mpi_request->Function) {
- case MPI2_FUNCTION_SCSI_IO_REQUEST:
- {
- Mpi2SCSIIORequest_t *scsi_request =
- (Mpi2SCSIIORequest_t *)mpi_request;
-
- snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
- "scsi_io, cmd(0x%02x), cdb_len(%d)",
- scsi_request->CDB.CDB32[0],
- le16_to_cpu(scsi_request->IoFlags) & 0xF);
- desc = ioc->tmp_string;
- break;
- }
- case MPI2_FUNCTION_SCSI_TASK_MGMT:
- desc = "task_mgmt";
- break;
- case MPI2_FUNCTION_IOC_INIT:
- desc = "ioc_init";
- break;
- case MPI2_FUNCTION_IOC_FACTS:
- desc = "ioc_facts";
- break;
- case MPI2_FUNCTION_CONFIG:
- {
- Mpi2ConfigRequest_t *config_request =
- (Mpi2ConfigRequest_t *)mpi_request;
-
- snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
- "config, type(0x%02x), ext_type(0x%02x), number(%d)",
- (config_request->Header.PageType &
- MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
- config_request->Header.PageNumber);
- desc = ioc->tmp_string;
- break;
- }
- case MPI2_FUNCTION_PORT_FACTS:
- desc = "port_facts";
- break;
- case MPI2_FUNCTION_PORT_ENABLE:
- desc = "port_enable";
- break;
- case MPI2_FUNCTION_EVENT_NOTIFICATION:
- desc = "event_notification";
- break;
- case MPI2_FUNCTION_FW_DOWNLOAD:
- desc = "fw_download";
- break;
- case MPI2_FUNCTION_FW_UPLOAD:
- desc = "fw_upload";
- break;
- case MPI2_FUNCTION_RAID_ACTION:
- desc = "raid_action";
- break;
- case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
- {
- Mpi2SCSIIORequest_t *scsi_request =
- (Mpi2SCSIIORequest_t *)mpi_request;
-
- snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
- "raid_pass, cmd(0x%02x), cdb_len(%d)",
- scsi_request->CDB.CDB32[0],
- le16_to_cpu(scsi_request->IoFlags) & 0xF);
- desc = ioc->tmp_string;
- break;
- }
- case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
- desc = "sas_iounit_cntl";
- break;
- case MPI2_FUNCTION_SATA_PASSTHROUGH:
- desc = "sata_pass";
- break;
- case MPI2_FUNCTION_DIAG_BUFFER_POST:
- desc = "diag_buffer_post";
- break;
- case MPI2_FUNCTION_DIAG_RELEASE:
- desc = "diag_release";
- break;
- case MPI2_FUNCTION_SMP_PASSTHROUGH:
- desc = "smp_passthrough";
- break;
- }
-
- if (!desc)
- return;
-
- printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n",
- ioc->name, calling_function_name, desc, smid);
-
- if (!mpi_reply)
- return;
-
- if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
- printk(MPT2SAS_INFO_FMT
- "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo));
-
- if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- mpi_request->Function ==
- MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
- Mpi2SCSIIOReply_t *scsi_reply =
- (Mpi2SCSIIOReply_t *)mpi_reply;
- struct _sas_device *sas_device = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = _ctl_sas_device_find_by_handle(ioc,
- le16_to_cpu(scsi_reply->DevHandle));
- if (sas_device) {
- printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
- "phy(%d)\n", ioc->name, (unsigned long long)
- sas_device->sas_address, sas_device->phy);
- printk(MPT2SAS_WARN_FMT
- "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
- ioc->name, sas_device->enclosure_logical_id,
- sas_device->slot);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
- printk(MPT2SAS_INFO_FMT
- "\tscsi_state(0x%02x), scsi_status"
- "(0x%02x)\n", ioc->name,
- scsi_reply->SCSIState,
- scsi_reply->SCSIStatus);
- }
-}
-#endif
-
-/**
- * mpt2sas_ctl_done - ctl module completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: none.
- *
- * The callback handler when using ioc->ctl_cb_idx.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-u8
-mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
- Mpi2SCSIIOReply_t *scsiio_reply;
- const void *sense_data;
- u32 sz;
-
- if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->ctl_cmds.smid != smid)
- return 1;
- ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE;
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply) {
- memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID;
- /* get sense data */
- if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- mpi_reply->Function ==
- MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
- scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply;
- if (scsiio_reply->SCSIState &
- MPI2_SCSI_STATE_AUTOSENSE_VALID) {
- sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
- le32_to_cpu(scsiio_reply->SenseCount));
- sense_data = mpt2sas_base_get_sense_buffer(ioc,
- smid);
- memcpy(ioc->ctl_cmds.sense, sense_data, sz);
- }
- }
- }
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
-#endif
- ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->ctl_cmds.done);
- return 1;
-}
-
-/**
- * _ctl_check_event_type - determines when an event needs logging
- * @ioc: per adapter object
- * @event: firmware event
- *
- * The bitmask in ioc->event_type[] indicates which events should be
- * be saved in the driver event_log. This bitmask is set by application.
- *
- * Returns 1 when event should be captured, or zero means no match.
- */
-static int
-_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event)
-{
- u16 i;
- u32 desired_event;
-
- if (event >= 128 || !event || !ioc->event_log)
- return 0;
-
- desired_event = (1 << (event % 32));
- if (!desired_event)
- desired_event = 1;
- i = event / 32;
- return desired_event & ioc->event_type[i];
-}
-
-/**
- * mpt2sas_ctl_add_to_event_log - add event
- * @ioc: per adapter object
- * @mpi_reply: reply message frame
- *
- * Return nothing.
- */
-void
-mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventNotificationReply_t *mpi_reply)
-{
- struct MPT2_IOCTL_EVENTS *event_log;
- u16 event;
- int i;
- u32 sz, event_data_sz;
- u8 send_aen = 0;
-
- if (!ioc->event_log)
- return;
-
- event = le16_to_cpu(mpi_reply->Event);
-
- if (_ctl_check_event_type(ioc, event)) {
-
- /* insert entry into circular event_log */
- i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE;
- event_log = ioc->event_log;
- event_log[i].event = event;
- event_log[i].context = ioc->event_context++;
-
- event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
- sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE);
- memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE);
- memcpy(event_log[i].data, mpi_reply->EventData, sz);
- send_aen = 1;
- }
-
- /* This aen_event_read_flag flag is set until the
- * application has read the event log.
- * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
- */
- if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
- (send_aen && !ioc->aen_event_read_flag)) {
- ioc->aen_event_read_flag = 1;
- wake_up_interruptible(&ctl_poll_wait);
- if (async_queue)
- kill_fasync(&async_queue, SIGIO, POLL_IN);
- }
-}
-
-/**
- * mpt2sas_ctl_event_callback - firmware event handler (called at ISR time)
- * @ioc: per adapter object
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt.
- *
- * This function merely adds a new work task into ioc->firmware_event_thread.
- * The tasks are worked from _firmware_event_work in user context.
- *
- * Returns void.
- */
-void
-mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
- u32 reply)
-{
- Mpi2EventNotificationReply_t *mpi_reply;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
- mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
- return;
-}
-
-/**
- * _ctl_verify_adapter - validates ioc_number passed from application
- * @ioc: per adapter object
- * @iocpp: The ioc pointer is returned in this.
- *
- * Return (-1) means error, else ioc_number.
- */
-static int
-_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
-{
- struct MPT2SAS_ADAPTER *ioc;
- /* global ioc lock to protect controller on list operations */
- spin_lock(&gioc_lock);
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
- if (ioc->id != ioc_number)
- continue;
- spin_unlock(&gioc_lock);
- *iocpp = ioc;
- return ioc_number;
- }
- spin_unlock(&gioc_lock);
- *iocpp = NULL;
- return -1;
-}
-
-/**
- * mpt2sas_ctl_reset_handler - reset callback handler (for ctl)
- * @ioc: per adapter object
- * @reset_phase: phase
- *
- * The handler for doing any required cleanup or initialization.
- *
- * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
- * MPT2_IOC_DONE_RESET
- */
-void
-mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
-{
- int i;
- u8 issue_reset;
-
- switch (reset_phase) {
- case MPT2_IOC_PRE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
- for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
- if (!(ioc->diag_buffer_status[i] &
- MPT2_DIAG_BUFFER_IS_REGISTERED))
- continue;
- if ((ioc->diag_buffer_status[i] &
- MPT2_DIAG_BUFFER_IS_RELEASED))
- continue;
- _ctl_send_release(ioc, i, &issue_reset);
- }
- break;
- case MPT2_IOC_AFTER_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
- if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) {
- ioc->ctl_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
- complete(&ioc->ctl_cmds.done);
- }
- break;
- case MPT2_IOC_DONE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
-
- for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
- if (!(ioc->diag_buffer_status[i] &
- MPT2_DIAG_BUFFER_IS_REGISTERED))
- continue;
- if ((ioc->diag_buffer_status[i] &
- MPT2_DIAG_BUFFER_IS_RELEASED))
- continue;
- ioc->diag_buffer_status[i] |=
- MPT2_DIAG_BUFFER_IS_DIAG_RESET;
- }
- break;
- }
-}
-
-/**
- * _ctl_fasync -
- * @fd -
- * @filep -
- * @mode -
- *
- * Called when application request fasyn callback handler.
- */
-static int
-_ctl_fasync(int fd, struct file *filep, int mode)
-{
- return fasync_helper(fd, filep, mode, &async_queue);
-}
-
-/**
- * _ctl_poll -
- * @file -
- * @wait -
- *
- */
-static unsigned int
-_ctl_poll(struct file *filep, poll_table *wait)
-{
- struct MPT2SAS_ADAPTER *ioc;
-
- poll_wait(filep, &ctl_poll_wait, wait);
-
- /* global ioc lock to protect controller on list operations */
- spin_lock(&gioc_lock);
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
- if (ioc->aen_event_read_flag) {
- spin_unlock(&gioc_lock);
- return POLLIN | POLLRDNORM;
- }
- }
- spin_unlock(&gioc_lock);
- return 0;
-}
-
-/**
- * _ctl_set_task_mid - assign an active smid to tm request
- * @ioc: per adapter object
- * @karg - (struct mpt2_ioctl_command)
- * @tm_request - pointer to mf from user space
- *
- * Returns 0 when an smid if found, else fail.
- * during failure, the reply frame is filled.
- */
-static int
-_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
- Mpi2SCSITaskManagementRequest_t *tm_request)
-{
- u8 found = 0;
- u16 i;
- u16 handle;
- struct scsi_cmnd *scmd;
- struct MPT2SAS_DEVICE *priv_data;
- unsigned long flags;
- Mpi2SCSITaskManagementReply_t *tm_reply;
- u32 sz;
- u32 lun;
- char *desc = NULL;
-
- if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
- desc = "abort_task";
- else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
- desc = "query_task";
- else
- return 0;
-
- lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
-
- handle = le16_to_cpu(tm_request->DevHandle);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- for (i = ioc->scsiio_depth; i && !found; i--) {
- scmd = ioc->scsi_lookup[i - 1].scmd;
- if (scmd == NULL || scmd->device == NULL ||
- scmd->device->hostdata == NULL)
- continue;
- if (lun != scmd->device->lun)
- continue;
- priv_data = scmd->device->hostdata;
- if (priv_data->sas_target == NULL)
- continue;
- if (priv_data->sas_target->handle != handle)
- continue;
- tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
- found = 1;
- }
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- if (!found) {
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
- desc, le16_to_cpu(tm_request->DevHandle), lun));
- tm_reply = ioc->ctl_cmds.reply;
- tm_reply->DevHandle = tm_request->DevHandle;
- tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- tm_reply->TaskType = tm_request->TaskType;
- tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
- tm_reply->VP_ID = tm_request->VP_ID;
- tm_reply->VF_ID = tm_request->VF_ID;
- sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
- if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
- sz))
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- return 1;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
- desc, le16_to_cpu(tm_request->DevHandle), lun,
- le16_to_cpu(tm_request->TaskMID)));
- return 0;
-}
-
-/**
- * _ctl_do_mpt_command - main handler for MPT2COMMAND opcode
- * @ioc: per adapter object
- * @karg - (struct mpt2_ioctl_command)
- * @mf - pointer to mf in user space
- */
-static long
-_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg,
- void __user *mf)
-{
- MPI2RequestHeader_t *mpi_request = NULL, *request;
- MPI2DefaultReply_t *mpi_reply;
- u32 ioc_state;
- u16 ioc_status;
- u16 smid;
- unsigned long timeout, timeleft;
- u8 issue_reset;
- u32 sz;
- void *psge;
- void *data_out = NULL;
- dma_addr_t data_out_dma;
- size_t data_out_sz = 0;
- void *data_in = NULL;
- dma_addr_t data_in_dma;
- size_t data_in_sz = 0;
- u32 sgl_flags;
- long ret;
- u16 wait_state_count;
-
- issue_reset = 0;
-
- if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
- ioc->name, __func__);
- ret = -EAGAIN;
- goto out;
- }
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- ret = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
- if (!mpi_request) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for "
- "mpi_request\n", ioc->name, __func__);
- ret = -ENOMEM;
- goto out;
- }
-
- /* Check for overflow and wraparound */
- if (karg.data_sge_offset * 4 > ioc->request_sz ||
- karg.data_sge_offset > (UINT_MAX / 4)) {
- ret = -EINVAL;
- goto out;
- }
-
- /* copy in request message frame from user */
- if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__,
- __func__);
- ret = -EFAULT;
- goto out;
- }
-
- if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- ret = -EAGAIN;
- goto out;
- }
- } else {
-
- smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- ret = -EAGAIN;
- goto out;
- }
- }
-
- ret = 0;
- ioc->ctl_cmds.status = MPT2_CMD_PENDING;
- memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
- request = mpt2sas_base_get_msg_frame(ioc, smid);
- memcpy(request, mpi_request, karg.data_sge_offset*4);
- ioc->ctl_cmds.smid = smid;
- data_out_sz = karg.data_out_size;
- data_in_sz = karg.data_in_size;
-
- if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
- if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
- le16_to_cpu(mpi_request->FunctionDependent1) >
- ioc->facts.MaxDevHandle) {
- ret = -EINVAL;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- /* obtain dma-able memory for data transfer */
- if (data_out_sz) /* WRITE */ {
- data_out = pci_alloc_consistent(ioc->pdev, data_out_sz,
- &data_out_dma);
- if (!data_out) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -ENOMEM;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- if (copy_from_user(data_out, karg.data_out_buf_ptr,
- data_out_sz)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -EFAULT;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- if (data_in_sz) /* READ */ {
- data_in = pci_alloc_consistent(ioc->pdev, data_in_sz,
- &data_in_dma);
- if (!data_in) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -ENOMEM;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- /* add scatter gather elements */
- psge = (void *)request + (karg.data_sge_offset*4);
-
- if (!data_out_sz && !data_in_sz) {
- mpt2sas_base_build_zero_len_sge(ioc, psge);
- } else if (data_out_sz && data_in_sz) {
- /* WRITE sgel first */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- data_out_sz, data_out_dma);
-
- /* incr sgel */
- psge += ioc->sge_size;
-
- /* READ sgel last */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- data_in_sz, data_in_dma);
- } else if (data_out_sz) /* WRITE */ {
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- data_out_sz, data_out_dma);
- } else if (data_in_sz) /* READ */ {
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- data_in_sz, data_in_dma);
- }
-
- /* send command to firmware */
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- _ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
-#endif
-
- init_completion(&ioc->ctl_cmds.done);
- switch (mpi_request->Function) {
- case MPI2_FUNCTION_SCSI_IO_REQUEST:
- case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
- {
- Mpi2SCSIIORequest_t *scsiio_request =
- (Mpi2SCSIIORequest_t *)request;
- scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
- scsiio_request->SenseBufferLowAddress =
- mpt2sas_base_get_sense_buffer_dma(ioc, smid);
- memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE);
- if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
- mpt2sas_base_put_smid_scsi_io(ioc, smid,
- le16_to_cpu(mpi_request->FunctionDependent1));
- else
- mpt2sas_base_put_smid_default(ioc, smid);
- break;
- }
- case MPI2_FUNCTION_SCSI_TASK_MGMT:
- {
- Mpi2SCSITaskManagementRequest_t *tm_request =
- (Mpi2SCSITaskManagementRequest_t *)request;
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
- "handle(0x%04x), task_type(0x%02x)\n", ioc->name,
- le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
-
- if (tm_request->TaskType ==
- MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
- tm_request->TaskType ==
- MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
- if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
- tm_request->DevHandle));
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
- break;
- }
- case MPI2_FUNCTION_SMP_PASSTHROUGH:
- {
- Mpi2SmpPassthroughRequest_t *smp_request =
- (Mpi2SmpPassthroughRequest_t *)mpi_request;
- u8 *data;
-
- /* ioc determines which port to use */
- smp_request->PhysicalPort = 0xFF;
- if (smp_request->PassthroughFlags &
- MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
- data = (u8 *)&smp_request->SGL;
- else {
- if (unlikely(data_out == NULL)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- mpt2sas_base_free_smid(ioc, smid);
- ret = -EINVAL;
- goto out;
- }
- data = data_out;
- }
-
- if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
- ioc->ioc_link_reset_in_progress = 1;
- ioc->ignore_loginfos = 1;
- }
- mpt2sas_base_put_smid_default(ioc, smid);
- break;
- }
- case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
- {
- Mpi2SasIoUnitControlRequest_t *sasiounit_request =
- (Mpi2SasIoUnitControlRequest_t *)mpi_request;
-
- if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
- || sasiounit_request->Operation ==
- MPI2_SAS_OP_PHY_LINK_RESET) {
- ioc->ioc_link_reset_in_progress = 1;
- ioc->ignore_loginfos = 1;
- }
- mpt2sas_base_put_smid_default(ioc, smid);
- break;
- }
- default:
- mpt2sas_base_put_smid_default(ioc, smid);
- break;
- }
-
- if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT)
- timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
- else
- timeout = karg.timeout;
- timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
- timeout*HZ);
- if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
- Mpi2SCSITaskManagementRequest_t *tm_request =
- (Mpi2SCSITaskManagementRequest_t *)mpi_request;
- mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
- tm_request->DevHandle));
- } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
- mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
- ioc->ioc_link_reset_in_progress) {
- ioc->ioc_link_reset_in_progress = 0;
- ioc->ignore_loginfos = 0;
- }
- if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
- __func__);
- _debug_dump_mf(mpi_request, karg.data_sge_offset);
- if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- mpi_reply = ioc->ctl_cmds.reply;
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
- (ioc->logging_level & MPT_DEBUG_TM)) {
- Mpi2SCSITaskManagementReply_t *tm_reply =
- (Mpi2SCSITaskManagementReply_t *)mpi_reply;
-
- printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
- "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
- "TerminationCount(0x%08x)\n", ioc->name,
- le16_to_cpu(tm_reply->IOCStatus),
- le32_to_cpu(tm_reply->IOCLogInfo),
- le32_to_cpu(tm_reply->TerminationCount));
- }
-#endif
- /* copy out xdata to user */
- if (data_in_sz) {
- if (copy_to_user(karg.data_in_buf_ptr, data_in,
- data_in_sz)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -ENODATA;
- goto out;
- }
- }
-
- /* copy out reply message frame to user */
- if (karg.max_reply_bytes) {
- sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
- if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
- sz)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -ENODATA;
- goto out;
- }
- }
-
- /* copy out sense to user */
- if (karg.max_sense_bytes && (mpi_request->Function ==
- MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
- MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
- sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE);
- if (copy_to_user(karg.sense_data_ptr,
- ioc->ctl_cmds.sense, sz)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- ret = -ENODATA;
- goto out;
- }
- }
-
- issue_host_reset:
- if (issue_reset) {
- ret = -ENODATA;
- if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
- mpi_request->Function ==
- MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
- mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) {
- printk(MPT2SAS_INFO_FMT "issue target reset: handle "
- "= (0x%04x)\n", ioc->name,
- le16_to_cpu(mpi_request->FunctionDependent1));
- mpt2sas_halt_firmware(ioc);
- mpt2sas_scsih_issue_tm(ioc,
- le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
- 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
- TM_MUTEX_ON);
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- } else
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- }
-
- out:
-
- /* free memory associated with sg buffers */
- if (data_in)
- pci_free_consistent(ioc->pdev, data_in_sz, data_in,
- data_in_dma);
-
- if (data_out)
- pci_free_consistent(ioc->pdev, data_out_sz, data_out,
- data_out_dma);
-
- kfree(mpi_request);
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
- return ret;
-}
-
-/**
- * _ctl_getiocinfo - main handler for MPT2IOCINFO opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_iocinfo karg;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- memset(&karg, 0 , sizeof(karg));
- if (ioc->is_warpdrive)
- karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200;
- else
- karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
- if (ioc->pfacts)
- karg.port_number = ioc->pfacts[0].PortNumber;
- karg.hw_rev = ioc->pdev->revision;
- karg.pci_id = ioc->pdev->device;
- karg.subsystem_device = ioc->pdev->subsystem_device;
- karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
- karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
- karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
- karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
- karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
- karg.firmware_version = ioc->facts.FWVersion.Word;
- strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
- strcat(karg.driver_version, "-");
- strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
- karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
-
- if (copy_to_user(arg, &karg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
- return 0;
-}
-
-/**
- * _ctl_eventquery - main handler for MPT2EVENTQUERY opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_eventquery karg;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE;
- memcpy(karg.event_types, ioc->event_type,
- MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
-
- if (copy_to_user(arg, &karg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
- return 0;
-}
-
-/**
- * _ctl_eventenable - main handler for MPT2EVENTENABLE opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_eventenable karg;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- if (ioc->event_log)
- return 0;
- memcpy(ioc->event_type, karg.event_types,
- MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
- mpt2sas_base_validate_event_type(ioc, ioc->event_type);
-
- /* initialize event_log */
- ioc->event_context = 0;
- ioc->aen_event_read_flag = 0;
- ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE,
- sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL);
- if (!ioc->event_log) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -ENOMEM;
- }
- return 0;
-}
-
-/**
- * _ctl_eventreport - main handler for MPT2EVENTREPORT opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_eventreport karg;
- u32 number_bytes, max_events, max;
- struct mpt2_ioctl_eventreport __user *uarg = arg;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- number_bytes = karg.hdr.max_data_size -
- sizeof(struct mpt2_ioctl_header);
- max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS);
- max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events);
-
- /* If fewer than 1 event is requested, there must have
- * been some type of error.
- */
- if (!max || !ioc->event_log)
- return -ENODATA;
-
- number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS);
- if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- /* reset flag so SIGIO can restart */
- ioc->aen_event_read_flag = 0;
- return 0;
-}
-
-/**
- * _ctl_do_reset - main handler for MPT2HARDRESET opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_diag_reset karg;
- int retval;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- if (ioc->shost_recovery || ioc->pci_error_recovery ||
- ioc->is_driver_loading)
- return -EAGAIN;
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
- __func__));
-
- retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- printk(MPT2SAS_INFO_FMT "host reset: %s\n",
- ioc->name, ((!retval) ? "SUCCESS" : "FAILED"));
- return 0;
-}
-
-/**
- * _ctl_btdh_search_sas_device - searching for sas device
- * @ioc: per adapter object
- * @btdh: btdh ioctl payload
- */
-static int
-_ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc,
- struct mpt2_ioctl_btdh_mapping *btdh)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
- int rc = 0;
-
- if (list_empty(&ioc->sas_device_list))
- return rc;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
- if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
- btdh->handle == sas_device->handle) {
- btdh->bus = sas_device->channel;
- btdh->id = sas_device->id;
- rc = 1;
- goto out;
- } else if (btdh->bus == sas_device->channel && btdh->id ==
- sas_device->id && btdh->handle == 0xFFFF) {
- btdh->handle = sas_device->handle;
- rc = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return rc;
-}
-
-/**
- * _ctl_btdh_search_raid_device - searching for raid device
- * @ioc: per adapter object
- * @btdh: btdh ioctl payload
- */
-static int
-_ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc,
- struct mpt2_ioctl_btdh_mapping *btdh)
-{
- struct _raid_device *raid_device;
- unsigned long flags;
- int rc = 0;
-
- if (list_empty(&ioc->raid_device_list))
- return rc;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
- btdh->handle == raid_device->handle) {
- btdh->bus = raid_device->channel;
- btdh->id = raid_device->id;
- rc = 1;
- goto out;
- } else if (btdh->bus == raid_device->channel && btdh->id ==
- raid_device->id && btdh->handle == 0xFFFF) {
- btdh->handle = raid_device->handle;
- rc = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- return rc;
-}
-
-/**
- * _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_ioctl_btdh_mapping karg;
- int rc;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- rc = _ctl_btdh_search_sas_device(ioc, &karg);
- if (!rc)
- _ctl_btdh_search_raid_device(ioc, &karg);
-
- if (copy_to_user(arg, &karg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
- return 0;
-}
-
-/**
- * _ctl_diag_capability - return diag buffer capability
- * @ioc: per adapter object
- * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
- *
- * returns 1 when diag buffer support is enabled in firmware
- */
-static u8
-_ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type)
-{
- u8 rc = 0;
-
- switch (buffer_type) {
- case MPI2_DIAG_BUF_TYPE_TRACE:
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
- rc = 1;
- break;
- case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
- rc = 1;
- break;
- case MPI2_DIAG_BUF_TYPE_EXTENDED:
- if (ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
- rc = 1;
- }
-
- return rc;
-}
-
-/**
- * _ctl_diag_register_2 - wrapper for registering diag buffer support
- * @ioc: per adapter object
- * @diag_register: the diag_register struct passed in from user space
- *
- */
-static long
-_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
- struct mpt2_diag_register *diag_register)
-{
- int rc, i;
- void *request_data = NULL;
- dma_addr_t request_data_dma;
- u32 request_data_sz = 0;
- Mpi2DiagBufferPostRequest_t *mpi_request;
- Mpi2DiagBufferPostReply_t *mpi_reply;
- u8 buffer_type;
- unsigned long timeleft;
- u16 smid;
- u16 ioc_status;
- u8 issue_reset = 0;
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- buffer_type = diag_register->buffer_type;
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if (ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) {
- printk(MPT2SAS_ERR_FMT "%s: already has a registered "
- "buffer for buffer_type(0x%02x)\n", ioc->name, __func__,
- buffer_type);
- return -EINVAL;
- }
-
- if (diag_register->requested_buffer_size % 4) {
- printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size "
- "is not 4 byte aligned\n", ioc->name, __func__);
- return -EINVAL;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- rc = 0;
- ioc->ctl_cmds.status = MPT2_CMD_PENDING;
- memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->ctl_cmds.smid = smid;
-
- request_data = ioc->diag_buffer[buffer_type];
- request_data_sz = diag_register->requested_buffer_size;
- ioc->unique_id[buffer_type] = diag_register->unique_id;
- ioc->diag_buffer_status[buffer_type] = 0;
- memcpy(ioc->product_specific[buffer_type],
- diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS);
- ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
-
- if (request_data) {
- request_data_dma = ioc->diag_buffer_dma[buffer_type];
- if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
- pci_free_consistent(ioc->pdev,
- ioc->diag_buffer_sz[buffer_type],
- request_data, request_data_dma);
- request_data = NULL;
- }
- }
-
- if (request_data == NULL) {
- ioc->diag_buffer_sz[buffer_type] = 0;
- ioc->diag_buffer_dma[buffer_type] = 0;
- request_data = pci_alloc_consistent(
- ioc->pdev, request_data_sz, &request_data_dma);
- if (request_data == NULL) {
- printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"
- " for diag buffers, requested size(%d)\n",
- ioc->name, __func__, request_data_sz);
- mpt2sas_base_free_smid(ioc, smid);
- return -ENOMEM;
- }
- ioc->diag_buffer[buffer_type] = request_data;
- ioc->diag_buffer_sz[buffer_type] = request_data_sz;
- ioc->diag_buffer_dma[buffer_type] = request_data_dma;
- }
-
- mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
- mpi_request->BufferType = diag_register->buffer_type;
- mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
- mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
- mpi_request->BufferLength = cpu_to_le32(request_data_sz);
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), "
- "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
- (unsigned long long)request_data_dma,
- le32_to_cpu(mpi_request->BufferLength)));
-
- for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
- mpi_request->ProductSpecific[i] =
- cpu_to_le32(ioc->product_specific[buffer_type][i]);
-
- init_completion(&ioc->ctl_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
- MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
-
- if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
- __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2DiagBufferPostRequest_t)/4);
- if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- /* process the completed Reply Message Frame */
- if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
-
- mpi_reply = ioc->ctl_cmds.reply;
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
-
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- ioc->diag_buffer_status[buffer_type] |=
- MPT2_DIAG_BUFFER_IS_REGISTERED;
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
- ioc->name, __func__));
- } else {
- printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
- "log_info(0x%08x)\n", ioc->name, __func__,
- ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
- rc = -EFAULT;
- }
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
-
- out:
-
- if (rc && request_data)
- pci_free_consistent(ioc->pdev, request_data_sz,
- request_data, request_data_dma);
-
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
- return rc;
-}
-
-/**
- * mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time
- * @ioc: per adapter object
- * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
- *
- * This is called when command line option diag_buffer_enable is enabled
- * at driver load time.
- */
-void
-mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register)
-{
- struct mpt2_diag_register diag_register;
-
- memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
-
- if (bits_to_register & 1) {
- printk(MPT2SAS_INFO_FMT "registering trace buffer support\n",
- ioc->name);
- diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
- /* register for 1MB buffers */
- diag_register.requested_buffer_size = (1024 * 1024);
- diag_register.unique_id = 0x7075900;
- _ctl_diag_register_2(ioc, &diag_register);
- }
-
- if (bits_to_register & 2) {
- printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n",
- ioc->name);
- diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
- /* register for 2MB buffers */
- diag_register.requested_buffer_size = 2 * (1024 * 1024);
- diag_register.unique_id = 0x7075901;
- _ctl_diag_register_2(ioc, &diag_register);
- }
-
- if (bits_to_register & 4) {
- printk(MPT2SAS_INFO_FMT "registering extended buffer support\n",
- ioc->name);
- diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
- /* register for 2MB buffers */
- diag_register.requested_buffer_size = 2 * (1024 * 1024);
- diag_register.unique_id = 0x7075901;
- _ctl_diag_register_2(ioc, &diag_register);
- }
-}
-
-/**
- * _ctl_diag_register - application register with driver
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- *
- * This will allow the driver to setup any required buffers that will be
- * needed by firmware to communicate with the driver.
- */
-static long
-_ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_diag_register karg;
- long rc;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- rc = _ctl_diag_register_2(ioc, &karg);
- return rc;
-}
-
-/**
- * _ctl_diag_unregister - application unregister with driver
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- *
- * This will allow the driver to cleanup any memory allocated for diag
- * messages and to free up any resources.
- */
-static long
-_ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_diag_unregister karg;
- void *request_data;
- dma_addr_t request_data_dma;
- u32 request_data_sz;
- u8 buffer_type;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- buffer_type = karg.unique_id & 0x000000ff;
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
- "registered\n", ioc->name, __func__, buffer_type);
- return -EINVAL;
- }
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been "
- "released\n", ioc->name, __func__, buffer_type);
- return -EINVAL;
- }
-
- if (karg.unique_id != ioc->unique_id[buffer_type]) {
- printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
- "registered\n", ioc->name, __func__, karg.unique_id);
- return -EINVAL;
- }
-
- request_data = ioc->diag_buffer[buffer_type];
- if (!request_data) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -ENOMEM;
- }
-
- request_data_sz = ioc->diag_buffer_sz[buffer_type];
- request_data_dma = ioc->diag_buffer_dma[buffer_type];
- pci_free_consistent(ioc->pdev, request_data_sz,
- request_data, request_data_dma);
- ioc->diag_buffer[buffer_type] = NULL;
- ioc->diag_buffer_status[buffer_type] = 0;
- return 0;
-}
-
-/**
- * _ctl_diag_query - query relevant info associated with diag buffers
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- *
- * The application will send only buffer_type and unique_id. Driver will
- * inspect unique_id first, if valid, fill in all the info. If unique_id is
- * 0x00, the driver will return info specified by Buffer Type.
- */
-static long
-_ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_diag_query karg;
- void *request_data;
- int i;
- u8 buffer_type;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- karg.application_flags = 0;
- buffer_type = karg.buffer_type;
-
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
- "registered\n", ioc->name, __func__, buffer_type);
- return -EINVAL;
- }
-
- if (karg.unique_id & 0xffffff00) {
- if (karg.unique_id != ioc->unique_id[buffer_type]) {
- printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
- "registered\n", ioc->name, __func__,
- karg.unique_id);
- return -EINVAL;
- }
- }
-
- request_data = ioc->diag_buffer[buffer_type];
- if (!request_data) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -ENOMEM;
- }
-
- if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED)
- karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
- MPT2_APP_FLAGS_BUFFER_VALID);
- else
- karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
- MPT2_APP_FLAGS_BUFFER_VALID |
- MPT2_APP_FLAGS_FW_BUFFER_ACCESS);
-
- for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
- karg.product_specific[i] =
- ioc->product_specific[buffer_type][i];
-
- karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
- karg.driver_added_buffer_size = 0;
- karg.unique_id = ioc->unique_id[buffer_type];
- karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
-
- if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) {
- printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query "
- "data @ %p\n", ioc->name, __func__, arg);
- return -EFAULT;
- }
- return 0;
-}
-
-/**
- * _ctl_send_release - Diag Release Message
- * @ioc: per adapter object
- * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
- * @issue_reset - specifies whether host reset is required.
- *
- */
-static int
-_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
-{
- Mpi2DiagReleaseRequest_t *mpi_request;
- Mpi2DiagReleaseReply_t *mpi_reply;
- u16 smid;
- u16 ioc_status;
- u32 ioc_state;
- int rc;
- unsigned long timeleft;
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- rc = 0;
- *issue_reset = 0;
-
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "skipping due to FAULT state\n", ioc->name,
- __func__));
- rc = -EAGAIN;
- goto out;
- }
-
- if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- ioc->ctl_cmds.status = MPT2_CMD_PENDING;
- memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->ctl_cmds.smid = smid;
-
- mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
- mpi_request->BufferType = buffer_type;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
-
- init_completion(&ioc->ctl_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
- MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
-
- if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
- __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2DiagReleaseRequest_t)/4);
- if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
- *issue_reset = 1;
- rc = -EFAULT;
- goto out;
- }
-
- /* process the completed Reply Message Frame */
- if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
-
- mpi_reply = ioc->ctl_cmds.reply;
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
-
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- ioc->diag_buffer_status[buffer_type] |=
- MPT2_DIAG_BUFFER_IS_RELEASED;
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
- ioc->name, __func__));
- } else {
- printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
- "log_info(0x%08x)\n", ioc->name, __func__,
- ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
- rc = -EFAULT;
- }
-
- out:
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
- return rc;
-}
-
-/**
- * _ctl_diag_release - request to send Diag Release Message to firmware
- * @arg - user space buffer containing ioctl content
- *
- * This allows ownership of the specified buffer to returned to the driver,
- * allowing an application to read the buffer without fear that firmware is
- * overwritting information in the buffer.
- */
-static long
-_ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_diag_release karg;
- void *request_data;
- int rc;
- u8 buffer_type;
- u8 issue_reset = 0;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- buffer_type = karg.unique_id & 0x000000ff;
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
- "registered\n", ioc->name, __func__, buffer_type);
- return -EINVAL;
- }
-
- if (karg.unique_id != ioc->unique_id[buffer_type]) {
- printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
- "registered\n", ioc->name, __func__, karg.unique_id);
- return -EINVAL;
- }
-
- if (ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_RELEASED) {
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
- "is already released\n", ioc->name, __func__,
- buffer_type);
- return 0;
- }
-
- request_data = ioc->diag_buffer[buffer_type];
-
- if (!request_data) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -ENOMEM;
- }
-
- /* buffers were released by due to host reset */
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
- ioc->diag_buffer_status[buffer_type] |=
- MPT2_DIAG_BUFFER_IS_RELEASED;
- ioc->diag_buffer_status[buffer_type] &=
- ~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
- printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
- "was released due to host reset\n", ioc->name, __func__,
- buffer_type);
- return 0;
- }
-
- rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
-
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
-
- return rc;
-}
-
-/**
- * _ctl_diag_read_buffer - request for copy of the diag buffer
- * @ioc: per adapter object
- * @arg - user space buffer containing ioctl content
- */
-static long
-_ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
-{
- struct mpt2_diag_read_buffer karg;
- struct mpt2_diag_read_buffer __user *uarg = arg;
- void *request_data, *diag_data;
- Mpi2DiagBufferPostRequest_t *mpi_request;
- Mpi2DiagBufferPostReply_t *mpi_reply;
- int rc, i;
- u8 buffer_type;
- unsigned long timeleft, request_size, copy_size;
- u16 smid;
- u16 ioc_status;
- u8 issue_reset = 0;
-
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
- __func__));
-
- buffer_type = karg.unique_id & 0x000000ff;
- if (!_ctl_diag_capability(ioc, buffer_type)) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -EPERM;
- }
-
- if (karg.unique_id != ioc->unique_id[buffer_type]) {
- printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
- "registered\n", ioc->name, __func__, karg.unique_id);
- return -EINVAL;
- }
-
- request_data = ioc->diag_buffer[buffer_type];
- if (!request_data) {
- printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
- return -ENOMEM;
- }
-
- request_size = ioc->diag_buffer_sz[buffer_type];
-
- if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
- printk(MPT2SAS_ERR_FMT "%s: either the starting_offset "
- "or bytes_to_read are not 4 byte aligned\n", ioc->name,
- __func__);
- return -EINVAL;
- }
-
- if (karg.starting_offset > request_size)
- return -EINVAL;
-
- diag_data = (void *)(request_data + karg.starting_offset);
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), "
- "offset(%d), sz(%d)\n", ioc->name, __func__,
- diag_data, karg.starting_offset, karg.bytes_to_read));
-
- /* Truncate data on requests that are too large */
- if ((diag_data + karg.bytes_to_read < diag_data) ||
- (diag_data + karg.bytes_to_read > request_data + request_size))
- copy_size = request_size - karg.starting_offset;
- else
- copy_size = karg.bytes_to_read;
-
- if (copy_to_user((void __user *)uarg->diagnostic_data,
- diag_data, copy_size)) {
- printk(MPT2SAS_ERR_FMT "%s: Unable to write "
- "mpt_diag_read_buffer_t data @ %p\n", ioc->name,
- __func__, diag_data);
- return -EFAULT;
- }
-
- if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0)
- return 0;
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister "
- "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type));
- if ((ioc->diag_buffer_status[buffer_type] &
- MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "buffer_type(0x%02x) is still registered\n", ioc->name,
- __func__, buffer_type));
- return 0;
- }
- /* Get a free request frame and save the message context.
- */
-
- if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- rc = 0;
- ioc->ctl_cmds.status = MPT2_CMD_PENDING;
- memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->ctl_cmds.smid = smid;
-
- mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
- mpi_request->BufferType = buffer_type;
- mpi_request->BufferLength =
- cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
- mpi_request->BufferAddress =
- cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
- for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
- mpi_request->ProductSpecific[i] =
- cpu_to_le32(ioc->product_specific[buffer_type][i]);
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
-
- init_completion(&ioc->ctl_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
- MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
-
- if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
- __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2DiagBufferPostRequest_t)/4);
- if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- /* process the completed Reply Message Frame */
- if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
-
- mpi_reply = ioc->ctl_cmds.reply;
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
-
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- ioc->diag_buffer_status[buffer_type] |=
- MPT2_DIAG_BUFFER_IS_REGISTERED;
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
- ioc->name, __func__));
- } else {
- printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
- "log_info(0x%08x)\n", ioc->name, __func__,
- ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
- rc = -EFAULT;
- }
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
-
- out:
-
- ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
- return rc;
-}
-
-
-#ifdef CONFIG_COMPAT
-/**
- * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
- * @ioc: per adapter object
- * @cmd - ioctl opcode
- * @arg - (struct mpt2_ioctl_command32)
- *
- * MPT2COMMAND32 - Handle 32bit applications running on 64bit os.
- */
-static long
-_ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd,
- void __user *arg)
-{
- struct mpt2_ioctl_command32 karg32;
- struct mpt2_ioctl_command32 __user *uarg;
- struct mpt2_ioctl_command karg;
-
- if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
- return -EINVAL;
-
- uarg = (struct mpt2_ioctl_command32 __user *) arg;
-
- if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
- karg.hdr.ioc_number = karg32.hdr.ioc_number;
- karg.hdr.port_number = karg32.hdr.port_number;
- karg.hdr.max_data_size = karg32.hdr.max_data_size;
- karg.timeout = karg32.timeout;
- karg.max_reply_bytes = karg32.max_reply_bytes;
- karg.data_in_size = karg32.data_in_size;
- karg.data_out_size = karg32.data_out_size;
- karg.max_sense_bytes = karg32.max_sense_bytes;
- karg.data_sge_offset = karg32.data_sge_offset;
- karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
- karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
- karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
- karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
- return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
-}
-#endif
-
-/**
- * _ctl_ioctl_main - main ioctl entry point
- * @file - (struct file)
- * @cmd - ioctl opcode
- * @arg -
- * compat - handles 32 bit applications in 64bit os
- */
-static long
-_ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
- u8 compat)
-{
- struct MPT2SAS_ADAPTER *ioc;
- struct mpt2_ioctl_header ioctl_header;
- enum block_state state;
- long ret = -EINVAL;
-
- /* get IOCTL header */
- if (copy_from_user(&ioctl_header, (char __user *)arg,
- sizeof(struct mpt2_ioctl_header))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
- if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc)
- return -ENODEV;
- /* pci_access_mutex lock acquired by ioctl path */
- mutex_lock(&ioc->pci_access_mutex);
- if (ioc->shost_recovery || ioc->pci_error_recovery ||
- ioc->is_driver_loading || ioc->remove_host) {
- ret = -EAGAIN;
- goto out_unlock_pciaccess;
- }
-
- state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
- if (state == NON_BLOCKING) {
- if (!mutex_trylock(&ioc->ctl_cmds.mutex)) {
- ret = -EAGAIN;
- goto out_unlock_pciaccess;
- }
- } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
- ret = -ERESTARTSYS;
- goto out_unlock_pciaccess;
- }
-
- switch (cmd) {
- case MPT2IOCINFO:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo))
- ret = _ctl_getiocinfo(ioc, arg);
- break;
-#ifdef CONFIG_COMPAT
- case MPT2COMMAND32:
-#endif
- case MPT2COMMAND:
- {
- struct mpt2_ioctl_command __user *uarg;
- struct mpt2_ioctl_command karg;
-#ifdef CONFIG_COMPAT
- if (compat) {
- ret = _ctl_compat_mpt_command(ioc, cmd, arg);
- break;
- }
-#endif
- if (copy_from_user(&karg, arg, sizeof(karg))) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n",
- __FILE__, __LINE__, __func__);
- ret = -EFAULT;
- break;
- }
-
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
- uarg = arg;
- ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
- }
- break;
- }
- case MPT2EVENTQUERY:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery))
- ret = _ctl_eventquery(ioc, arg);
- break;
- case MPT2EVENTENABLE:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable))
- ret = _ctl_eventenable(ioc, arg);
- break;
- case MPT2EVENTREPORT:
- ret = _ctl_eventreport(ioc, arg);
- break;
- case MPT2HARDRESET:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset))
- ret = _ctl_do_reset(ioc, arg);
- break;
- case MPT2BTDHMAPPING:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping))
- ret = _ctl_btdh_mapping(ioc, arg);
- break;
- case MPT2DIAGREGISTER:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register))
- ret = _ctl_diag_register(ioc, arg);
- break;
- case MPT2DIAGUNREGISTER:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister))
- ret = _ctl_diag_unregister(ioc, arg);
- break;
- case MPT2DIAGQUERY:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query))
- ret = _ctl_diag_query(ioc, arg);
- break;
- case MPT2DIAGRELEASE:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release))
- ret = _ctl_diag_release(ioc, arg);
- break;
- case MPT2DIAGREADBUFFER:
- if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer))
- ret = _ctl_diag_read_buffer(ioc, arg);
- break;
- default:
-
- dctlprintk(ioc, printk(MPT2SAS_INFO_FMT
- "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
- break;
- }
-
- mutex_unlock(&ioc->ctl_cmds.mutex);
-out_unlock_pciaccess:
- mutex_unlock(&ioc->pci_access_mutex);
- return ret;
-}
-
-/**
- * _ctl_ioctl - main ioctl entry point (unlocked)
- * @file - (struct file)
- * @cmd - ioctl opcode
- * @arg -
- */
-static long
-_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- long ret;
-
- ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0);
- return ret;
-}
-#ifdef CONFIG_COMPAT
-/**
- * _ctl_ioctl_compat - main ioctl entry point (compat)
- * @file -
- * @cmd -
- * @arg -
- *
- * This routine handles 32 bit applications in 64bit os.
- */
-static long
-_ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
-{
- long ret;
-
- ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1);
- return ret;
-}
-#endif
-
-/* scsi host attributes */
-
-/**
- * _ctl_version_fw_show - firmware version
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
- (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
- (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
- (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
- ioc->facts.FWVersion.Word & 0x000000FF);
-}
-static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
-
-/**
- * _ctl_version_bios_show - bios version
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
-
- return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
- (version & 0xFF000000) >> 24,
- (version & 0x00FF0000) >> 16,
- (version & 0x0000FF00) >> 8,
- version & 0x000000FF);
-}
-static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
-
-/**
- * _ctl_version_mpi_show - MPI (message passing interface) version
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
- ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
-}
-static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
-
-/**
- * _ctl_version_product_show - product name
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
-}
-static DEVICE_ATTR(version_product, S_IRUGO,
- _ctl_version_product_show, NULL);
-
-/**
- * _ctl_version_nvdata_persistent_show - ndvata persistent version
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_nvdata_persistent_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%08xh\n",
- le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
-}
-static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
- _ctl_version_nvdata_persistent_show, NULL);
-
-/**
- * _ctl_version_nvdata_default_show - nvdata default version
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_version_nvdata_default_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%08xh\n",
- le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
-}
-static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
- _ctl_version_nvdata_default_show, NULL);
-
-/**
- * _ctl_board_name_show - board name
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
-}
-static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
-
-/**
- * _ctl_board_assembly_show - board assembly name
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
-}
-static DEVICE_ATTR(board_assembly, S_IRUGO,
- _ctl_board_assembly_show, NULL);
-
-/**
- * _ctl_board_tracer_show - board tracer number
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
-}
-static DEVICE_ATTR(board_tracer, S_IRUGO,
- _ctl_board_tracer_show, NULL);
-
-/**
- * _ctl_io_delay_show - io missing delay
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is for firmware implemention for deboucing device
- * removal events.
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
-}
-static DEVICE_ATTR(io_delay, S_IRUGO,
- _ctl_io_delay_show, NULL);
-
-/**
- * _ctl_device_delay_show - device missing delay
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is for firmware implemention for deboucing device
- * removal events.
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
-}
-static DEVICE_ATTR(device_delay, S_IRUGO,
- _ctl_device_delay_show, NULL);
-
-/**
- * _ctl_fw_queue_depth_show - global credits
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is firmware queue depth limit
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
-}
-static DEVICE_ATTR(fw_queue_depth, S_IRUGO,
- _ctl_fw_queue_depth_show, NULL);
-
-/**
- * _ctl_sas_address_show - sas address
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is the controller sas address
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
- (unsigned long long)ioc->sas_hba.sas_address);
-}
-static DEVICE_ATTR(host_sas_address, S_IRUGO,
- _ctl_host_sas_address_show, NULL);
-
-/**
- * _ctl_logging_level_show - logging level
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read/write' shost attribute.
- */
-static ssize_t
-_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
-}
-static ssize_t
-_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int val = 0;
-
- if (sscanf(buf, "%x", &val) != 1)
- return -EINVAL;
-
- ioc->logging_level = val;
- printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name,
- ioc->logging_level);
- return strlen(buf);
-}
-static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
- _ctl_logging_level_show, _ctl_logging_level_store);
-
-/* device attributes */
-/*
- * _ctl_fwfault_debug_show - show/store fwfault_debug
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * mpt2sas_fwfault_debug is command line option
- * A sysfs 'read/write' shost attribute.
- */
-static ssize_t
-_ctl_fwfault_debug_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
-}
-static ssize_t
-_ctl_fwfault_debug_store(struct device *cdev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int val = 0;
-
- if (sscanf(buf, "%d", &val) != 1)
- return -EINVAL;
-
- ioc->fwfault_debug = val;
- printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name,
- ioc->fwfault_debug);
- return strlen(buf);
-}
-static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
- _ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
-
-
-/**
- * _ctl_ioc_reset_count_show - ioc reset count
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is firmware queue depth limit
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count);
-}
-static DEVICE_ATTR(ioc_reset_count, S_IRUGO,
- _ctl_ioc_reset_count_show, NULL);
-
-/**
- * _ctl_ioc_reply_queue_count_show - number of reply queues
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is number of reply queues
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_ioc_reply_queue_count_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- u8 reply_queue_count;
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- if ((ioc->facts.IOCCapabilities &
- MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
- reply_queue_count = ioc->reply_queue_count;
- else
- reply_queue_count = 1;
- return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
-}
-static DEVICE_ATTR(reply_queue_count, S_IRUGO,
- _ctl_ioc_reply_queue_count_show, NULL);
-
-/**
- * _ctl_BRM_status_show - Backup Rail Monitor Status
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is number of reply queues
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
- Mpi2ConfigReply_t mpi_reply;
- u16 backup_rail_monitor_status = 0;
- u16 ioc_status;
- int sz;
- ssize_t rc = 0;
-
- if (!ioc->is_warpdrive) {
- printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\
- "warpdrive\n", ioc->name, __func__);
- goto out;
- }
- /* pci_access_mutex lock acquired by sysfs show path */
- mutex_lock(&ioc->pci_access_mutex);
- if (ioc->pci_error_recovery || ioc->remove_host) {
- mutex_unlock(&ioc->pci_access_mutex);
- return 0;
- }
-
- /* allocate upto GPIOVal 36 entries */
- sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
- io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
- if (!io_unit_pg3) {
- printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\
- "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz);
- goto out;
- }
-
- if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
- 0) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed reading iounit_pg3\n", ioc->name,
- __func__);
- goto out;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\
- "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status);
- goto out;
- }
-
- if (io_unit_pg3->GPIOCount < 25) {
- printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\
- "25 entries, detected (%d) entries\n", ioc->name, __func__,
- io_unit_pg3->GPIOCount);
- goto out;
- }
-
- /* BRM status is in bit zero of GPIOVal[24] */
- backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
- rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
-
- out:
- kfree(io_unit_pg3);
- mutex_unlock(&ioc->pci_access_mutex);
- return rc;
-}
-static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL);
-
-struct DIAG_BUFFER_START {
- __le32 Size;
- __le32 DiagVersion;
- u8 BufferType;
- u8 Reserved[3];
- __le32 Reserved1;
- __le32 Reserved2;
- __le32 Reserved3;
-};
-/**
- * _ctl_host_trace_buffer_size_show - host buffer size (trace only)
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_host_trace_buffer_size_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- u32 size = 0;
- struct DIAG_BUFFER_START *request_data;
-
- if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
- printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
- "registered\n", ioc->name, __func__);
- return 0;
- }
-
- if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
- "registered\n", ioc->name, __func__);
- return 0;
- }
-
- request_data = (struct DIAG_BUFFER_START *)
- ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
- if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
- le32_to_cpu(request_data->DiagVersion) == 0x01000000) &&
- le32_to_cpu(request_data->Reserved3) == 0x4742444c)
- size = le32_to_cpu(request_data->Size);
-
- ioc->ring_buffer_sz = size;
- return snprintf(buf, PAGE_SIZE, "%d\n", size);
-}
-static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO,
- _ctl_host_trace_buffer_size_show, NULL);
-
-/**
- * _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read/write' shost attribute.
- *
- * You will only be able to read 4k bytes of ring buffer at a time.
- * In order to read beyond 4k bytes, you will have to write out the
- * offset to the same attribute, it will move the pointer.
- */
-static ssize_t
-_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- void *request_data;
- u32 size;
-
- if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
- printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
- "registered\n", ioc->name, __func__);
- return 0;
- }
-
- if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
- printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
- "registered\n", ioc->name, __func__);
- return 0;
- }
-
- if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
- return 0;
-
- size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
- size = (size > PAGE_SIZE) ? PAGE_SIZE : size;
- request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
- memcpy(buf, request_data, size);
- return size;
-}
-
-static ssize_t
-_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int val = 0;
-
- if (sscanf(buf, "%d", &val) != 1)
- return -EINVAL;
-
- ioc->ring_buffer_offset = val;
- return strlen(buf);
-}
-static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR,
- _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store);
-
-/*****************************************/
-
-/**
- * _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * A sysfs 'read/write' shost attribute.
- *
- * This is a mechnism to post/release host_trace_buffers
- */
-static ssize_t
-_ctl_host_trace_buffer_enable_show(struct device *cdev,
- struct device_attribute *attr, char *buf)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
- ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0))
- return snprintf(buf, PAGE_SIZE, "off\n");
- else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_RELEASED))
- return snprintf(buf, PAGE_SIZE, "release\n");
- else
- return snprintf(buf, PAGE_SIZE, "post\n");
-}
-
-static ssize_t
-_ctl_host_trace_buffer_enable_store(struct device *cdev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- struct Scsi_Host *shost = class_to_shost(cdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- char str[10] = "";
- struct mpt2_diag_register diag_register;
- u8 issue_reset = 0;
-
- if (sscanf(buf, "%9s", str) != 1)
- return -EINVAL;
-
- if (!strcmp(str, "post")) {
- /* exit out if host buffers are already posted */
- if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
- (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) &&
- ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_RELEASED) == 0))
- goto out;
- memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
- printk(MPT2SAS_INFO_FMT "posting host trace buffers\n",
- ioc->name);
- diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
- diag_register.requested_buffer_size = (1024 * 1024);
- diag_register.unique_id = 0x7075900;
- ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
- _ctl_diag_register_2(ioc, &diag_register);
- } else if (!strcmp(str, "release")) {
- /* exit out if host buffers are already released */
- if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
- goto out;
- if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)
- goto out;
- if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
- MPT2_DIAG_BUFFER_IS_RELEASED))
- goto out;
- printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n",
- ioc->name);
- _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset);
- }
-
- out:
- return strlen(buf);
-}
-static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR,
- _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store);
-
-struct device_attribute *mpt2sas_host_attrs[] = {
- &dev_attr_version_fw,
- &dev_attr_version_bios,
- &dev_attr_version_mpi,
- &dev_attr_version_product,
- &dev_attr_version_nvdata_persistent,
- &dev_attr_version_nvdata_default,
- &dev_attr_board_name,
- &dev_attr_board_assembly,
- &dev_attr_board_tracer,
- &dev_attr_io_delay,
- &dev_attr_device_delay,
- &dev_attr_logging_level,
- &dev_attr_fwfault_debug,
- &dev_attr_fw_queue_depth,
- &dev_attr_host_sas_address,
- &dev_attr_ioc_reset_count,
- &dev_attr_host_trace_buffer_size,
- &dev_attr_host_trace_buffer,
- &dev_attr_host_trace_buffer_enable,
- &dev_attr_reply_queue_count,
- &dev_attr_BRM_status,
- NULL,
-};
-
-/**
- * _ctl_device_sas_address_show - sas address
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is the sas address for the target
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
-
- return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
- (unsigned long long)sas_device_priv_data->sas_target->sas_address);
-}
-static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
-
-/**
- * _ctl_device_handle_show - device handle
- * @cdev - pointer to embedded class device
- * @buf - the buffer returned
- *
- * This is the firmware assigned device handle
- *
- * A sysfs 'read-only' shost attribute.
- */
-static ssize_t
-_ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
-
- return snprintf(buf, PAGE_SIZE, "0x%04x\n",
- sas_device_priv_data->sas_target->handle);
-}
-static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
-
-struct device_attribute *mpt2sas_dev_attrs[] = {
- &dev_attr_sas_address,
- &dev_attr_sas_device_handle,
- NULL,
-};
-
-static const struct file_operations ctl_fops = {
- .owner = THIS_MODULE,
- .unlocked_ioctl = _ctl_ioctl,
- .poll = _ctl_poll,
- .fasync = _ctl_fasync,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = _ctl_ioctl_compat,
-#endif
- .llseek = noop_llseek,
-};
-
-static struct miscdevice ctl_dev = {
- .minor = MPT2SAS_MINOR,
- .name = MPT2SAS_DEV_NAME,
- .fops = &ctl_fops,
-};
-
-/**
- * mpt2sas_ctl_init - main entry point for ctl.
- *
- */
-void
-mpt2sas_ctl_init(void)
-{
- async_queue = NULL;
- if (misc_register(&ctl_dev) < 0)
- printk(KERN_ERR "%s can't register misc device [minor=%d]\n",
- MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
-
- init_waitqueue_head(&ctl_poll_wait);
-}
-
-/**
- * mpt2sas_ctl_exit - exit point for ctl
- *
- */
-void
-mpt2sas_ctl_exit(void)
-{
- struct MPT2SAS_ADAPTER *ioc;
- int i;
-
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
-
- /* free memory associated to diag buffers */
- for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
- if (!ioc->diag_buffer[i])
- continue;
- pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
- ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
- ioc->diag_buffer[i] = NULL;
- ioc->diag_buffer_status[i] = 0;
- }
-
- kfree(ioc->event_log);
- }
- misc_deregister(&ctl_dev);
-}
-
+++ /dev/null
-/*
- * Management Module Support for MPT (Message Passing Technology) based
- * controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#ifndef MPT2SAS_CTL_H_INCLUDED
-#define MPT2SAS_CTL_H_INCLUDED
-
-#ifdef __KERNEL__
-#include <linux/miscdevice.h>
-#endif
-
-#define MPT2SAS_DEV_NAME "mpt2ctl"
-#define MPT2_MAGIC_NUMBER 'L'
-#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
-
-/**
- * IOCTL opcodes
- */
-#define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \
- struct mpt2_ioctl_iocinfo)
-#define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \
- struct mpt2_ioctl_command)
-#ifdef CONFIG_COMPAT
-#define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \
- struct mpt2_ioctl_command32)
-#endif
-#define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \
- struct mpt2_ioctl_eventquery)
-#define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \
- struct mpt2_ioctl_eventenable)
-#define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \
- struct mpt2_ioctl_eventreport)
-#define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \
- struct mpt2_ioctl_diag_reset)
-#define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \
- struct mpt2_ioctl_btdh_mapping)
-
-/* diag buffer support */
-#define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \
- struct mpt2_diag_register)
-#define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \
- struct mpt2_diag_release)
-#define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \
- struct mpt2_diag_unregister)
-#define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \
- struct mpt2_diag_query)
-#define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \
- struct mpt2_diag_read_buffer)
-
-/**
- * struct mpt2_ioctl_header - main header structure
- * @ioc_number - IOC unit number
- * @port_number - IOC port number
- * @max_data_size - maximum number bytes to transfer on read
- */
-struct mpt2_ioctl_header {
- uint32_t ioc_number;
- uint32_t port_number;
- uint32_t max_data_size;
-};
-
-/**
- * struct mpt2_ioctl_diag_reset - diagnostic reset
- * @hdr - generic header
- */
-struct mpt2_ioctl_diag_reset {
- struct mpt2_ioctl_header hdr;
-};
-
-
-/**
- * struct mpt2_ioctl_pci_info - pci device info
- * @device - pci device id
- * @function - pci function id
- * @bus - pci bus id
- * @segment_id - pci segment id
- */
-struct mpt2_ioctl_pci_info {
- union {
- struct {
- uint32_t device:5;
- uint32_t function:3;
- uint32_t bus:24;
- } bits;
- uint32_t word;
- } u;
- uint32_t segment_id;
-};
-
-
-#define MPT2_IOCTL_INTERFACE_SCSI (0x00)
-#define MPT2_IOCTL_INTERFACE_FC (0x01)
-#define MPT2_IOCTL_INTERFACE_FC_IP (0x02)
-#define MPT2_IOCTL_INTERFACE_SAS (0x03)
-#define MPT2_IOCTL_INTERFACE_SAS2 (0x04)
-#define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05)
-#define MPT2_IOCTL_VERSION_LENGTH (32)
-
-/**
- * struct mpt2_ioctl_iocinfo - generic controller info
- * @hdr - generic header
- * @adapter_type - type of adapter (spi, fc, sas)
- * @port_number - port number
- * @pci_id - PCI Id
- * @hw_rev - hardware revision
- * @sub_system_device - PCI subsystem Device ID
- * @sub_system_vendor - PCI subsystem Vendor ID
- * @rsvd0 - reserved
- * @firmware_version - firmware version
- * @bios_version - BIOS version
- * @driver_version - driver version - 32 ASCII characters
- * @rsvd1 - reserved
- * @scsi_id - scsi id of adapter 0
- * @rsvd2 - reserved
- * @pci_information - pci info (2nd revision)
- */
-struct mpt2_ioctl_iocinfo {
- struct mpt2_ioctl_header hdr;
- uint32_t adapter_type;
- uint32_t port_number;
- uint32_t pci_id;
- uint32_t hw_rev;
- uint32_t subsystem_device;
- uint32_t subsystem_vendor;
- uint32_t rsvd0;
- uint32_t firmware_version;
- uint32_t bios_version;
- uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
- uint8_t rsvd1;
- uint8_t scsi_id;
- uint16_t rsvd2;
- struct mpt2_ioctl_pci_info pci_information;
-};
-
-
-/* number of event log entries */
-#define MPT2SAS_CTL_EVENT_LOG_SIZE (50)
-
-/**
- * struct mpt2_ioctl_eventquery - query event count and type
- * @hdr - generic header
- * @event_entries - number of events returned by get_event_report
- * @rsvd - reserved
- * @event_types - type of events currently being captured
- */
-struct mpt2_ioctl_eventquery {
- struct mpt2_ioctl_header hdr;
- uint16_t event_entries;
- uint16_t rsvd;
- uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
-};
-
-/**
- * struct mpt2_ioctl_eventenable - enable/disable event capturing
- * @hdr - generic header
- * @event_types - toggle off/on type of events to be captured
- */
-struct mpt2_ioctl_eventenable {
- struct mpt2_ioctl_header hdr;
- uint32_t event_types[4];
-};
-
-#define MPT2_EVENT_DATA_SIZE (192)
-/**
- * struct MPT2_IOCTL_EVENTS -
- * @event - the event that was reported
- * @context - unique value for each event assigned by driver
- * @data - event data returned in fw reply message
- */
-struct MPT2_IOCTL_EVENTS {
- uint32_t event;
- uint32_t context;
- uint8_t data[MPT2_EVENT_DATA_SIZE];
-};
-
-/**
- * struct mpt2_ioctl_eventreport - returing event log
- * @hdr - generic header
- * @event_data - (see struct MPT2_IOCTL_EVENTS)
- */
-struct mpt2_ioctl_eventreport {
- struct mpt2_ioctl_header hdr;
- struct MPT2_IOCTL_EVENTS event_data[1];
-};
-
-/**
- * struct mpt2_ioctl_command - generic mpt firmware passthru ioctl
- * @hdr - generic header
- * @timeout - command timeout in seconds. (if zero then use driver default
- * value).
- * @reply_frame_buf_ptr - reply location
- * @data_in_buf_ptr - destination for read
- * @data_out_buf_ptr - data source for write
- * @sense_data_ptr - sense data location
- * @max_reply_bytes - maximum number of reply bytes to be sent to app.
- * @data_in_size - number bytes for data transfer in (read)
- * @data_out_size - number bytes for data transfer out (write)
- * @max_sense_bytes - maximum number of bytes for auto sense buffers
- * @data_sge_offset - offset in words from the start of the request message to
- * the first SGL
- * @mf[1];
- */
-struct mpt2_ioctl_command {
- struct mpt2_ioctl_header hdr;
- uint32_t timeout;
- void __user *reply_frame_buf_ptr;
- void __user *data_in_buf_ptr;
- void __user *data_out_buf_ptr;
- void __user *sense_data_ptr;
- uint32_t max_reply_bytes;
- uint32_t data_in_size;
- uint32_t data_out_size;
- uint32_t max_sense_bytes;
- uint32_t data_sge_offset;
- uint8_t mf[1];
-};
-
-#ifdef CONFIG_COMPAT
-struct mpt2_ioctl_command32 {
- struct mpt2_ioctl_header hdr;
- uint32_t timeout;
- uint32_t reply_frame_buf_ptr;
- uint32_t data_in_buf_ptr;
- uint32_t data_out_buf_ptr;
- uint32_t sense_data_ptr;
- uint32_t max_reply_bytes;
- uint32_t data_in_size;
- uint32_t data_out_size;
- uint32_t max_sense_bytes;
- uint32_t data_sge_offset;
- uint8_t mf[1];
-};
-#endif
-
-/**
- * struct mpt2_ioctl_btdh_mapping - mapping info
- * @hdr - generic header
- * @id - target device identification number
- * @bus - SCSI bus number that the target device exists on
- * @handle - device handle for the target device
- * @rsvd - reserved
- *
- * To obtain a bus/id the application sets
- * handle to valid handle, and bus/id to 0xFFFF.
- *
- * To obtain the device handle the application sets
- * bus/id valid value, and the handle to 0xFFFF.
- */
-struct mpt2_ioctl_btdh_mapping {
- struct mpt2_ioctl_header hdr;
- uint32_t id;
- uint32_t bus;
- uint16_t handle;
- uint16_t rsvd;
-};
-
-
-/* status bits for ioc->diag_buffer_status */
-#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
-#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
-#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04)
-
-/* application flags for mpt2_diag_register, mpt2_diag_query */
-#define MPT2_APP_FLAGS_APP_OWNED (0x0001)
-#define MPT2_APP_FLAGS_BUFFER_VALID (0x0002)
-#define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004)
-
-/* flags for mpt2_diag_read_buffer */
-#define MPT2_FLAGS_REREGISTER (0x0001)
-
-#define MPT2_PRODUCT_SPECIFIC_DWORDS 23
-
-/**
- * struct mpt2_diag_register - application register with driver
- * @hdr - generic header
- * @reserved -
- * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
- * @application_flags - misc flags
- * @diagnostic_flags - specifies flags affecting command processing
- * @product_specific - product specific information
- * @requested_buffer_size - buffers size in bytes
- * @unique_id - tag specified by application that is used to signal ownership
- * of the buffer.
- *
- * This will allow the driver to setup any required buffers that will be
- * needed by firmware to communicate with the driver.
- */
-struct mpt2_diag_register {
- struct mpt2_ioctl_header hdr;
- uint8_t reserved;
- uint8_t buffer_type;
- uint16_t application_flags;
- uint32_t diagnostic_flags;
- uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
- uint32_t requested_buffer_size;
- uint32_t unique_id;
-};
-
-/**
- * struct mpt2_diag_unregister - application unregister with driver
- * @hdr - generic header
- * @unique_id - tag uniquely identifies the buffer to be unregistered
- *
- * This will allow the driver to cleanup any memory allocated for diag
- * messages and to free up any resources.
- */
-struct mpt2_diag_unregister {
- struct mpt2_ioctl_header hdr;
- uint32_t unique_id;
-};
-
-/**
- * struct mpt2_diag_query - query relevant info associated with diag buffers
- * @hdr - generic header
- * @reserved -
- * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
- * @application_flags - misc flags
- * @diagnostic_flags - specifies flags affecting command processing
- * @product_specific - product specific information
- * @total_buffer_size - diag buffer size in bytes
- * @driver_added_buffer_size - size of extra space appended to end of buffer
- * @unique_id - unique id associated with this buffer.
- *
- * The application will send only buffer_type and unique_id. Driver will
- * inspect unique_id first, if valid, fill in all the info. If unique_id is
- * 0x00, the driver will return info specified by Buffer Type.
- */
-struct mpt2_diag_query {
- struct mpt2_ioctl_header hdr;
- uint8_t reserved;
- uint8_t buffer_type;
- uint16_t application_flags;
- uint32_t diagnostic_flags;
- uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
- uint32_t total_buffer_size;
- uint32_t driver_added_buffer_size;
- uint32_t unique_id;
-};
-
-/**
- * struct mpt2_diag_release - request to send Diag Release Message to firmware
- * @hdr - generic header
- * @unique_id - tag uniquely identifies the buffer to be released
- *
- * This allows ownership of the specified buffer to returned to the driver,
- * allowing an application to read the buffer without fear that firmware is
- * overwritting information in the buffer.
- */
-struct mpt2_diag_release {
- struct mpt2_ioctl_header hdr;
- uint32_t unique_id;
-};
-
-/**
- * struct mpt2_diag_read_buffer - request for copy of the diag buffer
- * @hdr - generic header
- * @status -
- * @reserved -
- * @flags - misc flags
- * @starting_offset - starting offset within drivers buffer where to start
- * reading data at into the specified application buffer
- * @bytes_to_read - number of bytes to copy from the drivers buffer into the
- * application buffer starting at starting_offset.
- * @unique_id - unique id associated with this buffer.
- * @diagnostic_data - data payload
- */
-struct mpt2_diag_read_buffer {
- struct mpt2_ioctl_header hdr;
- uint8_t status;
- uint8_t reserved;
- uint16_t flags;
- uint32_t starting_offset;
- uint32_t bytes_to_read;
- uint32_t unique_id;
- uint32_t diagnostic_data[1];
-};
-
-#endif /* MPT2SAS_CTL_H_INCLUDED */
+++ /dev/null
-/*
- * Logging Support for MPT (Message Passing Technology) based controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_debug.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#ifndef MPT2SAS_DEBUG_H_INCLUDED
-#define MPT2SAS_DEBUG_H_INCLUDED
-
-#define MPT_DEBUG 0x00000001
-#define MPT_DEBUG_MSG_FRAME 0x00000002
-#define MPT_DEBUG_SG 0x00000004
-#define MPT_DEBUG_EVENTS 0x00000008
-#define MPT_DEBUG_EVENT_WORK_TASK 0x00000010
-#define MPT_DEBUG_INIT 0x00000020
-#define MPT_DEBUG_EXIT 0x00000040
-#define MPT_DEBUG_FAIL 0x00000080
-#define MPT_DEBUG_TM 0x00000100
-#define MPT_DEBUG_REPLY 0x00000200
-#define MPT_DEBUG_HANDSHAKE 0x00000400
-#define MPT_DEBUG_CONFIG 0x00000800
-#define MPT_DEBUG_DL 0x00001000
-#define MPT_DEBUG_RESET 0x00002000
-#define MPT_DEBUG_SCSI 0x00004000
-#define MPT_DEBUG_IOCTL 0x00008000
-#define MPT_DEBUG_CSMISAS 0x00010000
-#define MPT_DEBUG_SAS 0x00020000
-#define MPT_DEBUG_TRANSPORT 0x00040000
-#define MPT_DEBUG_TASK_SET_FULL 0x00080000
-
-#define MPT_DEBUG_TARGET_MODE 0x00100000
-
-
-/*
- * CONFIG_SCSI_MPT2SAS_LOGGING - enabled in Kconfig
- */
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-#define MPT_CHECK_LOGGING(IOC, CMD, BITS) \
-{ \
- if (IOC->logging_level & BITS) \
- CMD; \
-}
-#else
-#define MPT_CHECK_LOGGING(IOC, CMD, BITS)
-#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
-
-
-/*
- * debug macros
- */
-
-#define dprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG)
-
-#define dsgprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SG)
-
-#define devtprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENTS)
-
-#define dewtprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENT_WORK_TASK)
-
-#define dinitprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_INIT)
-
-#define dexitprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EXIT)
-
-#define dfailprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_FAIL)
-
-#define dtmprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TM)
-
-#define dreplyprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_REPLY)
-
-#define dhsprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_HANDSHAKE)
-
-#define dcprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CONFIG)
-
-#define ddlprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_DL)
-
-#define drsprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_RESET)
-
-#define dsprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SCSI)
-
-#define dctlprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_IOCTL)
-
-#define dcsmisasprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CSMISAS)
-
-#define dsasprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS)
-
-#define dsastransport(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE)
-
-#define dmfprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME)
-
-#define dtsfprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL)
-
-#define dtransportprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT)
-
-#define dTMprintk(IOC, CMD) \
- MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TARGET_MODE)
-
-/* inline functions for dumping debug data*/
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _debug_dump_mf - print message frame contents
- * @mpi_request: pointer to message frame
- * @sz: number of dwords
- */
-static inline void
-_debug_dump_mf(void *mpi_request, int sz)
-{
- int i;
- __le32 *mfp = (__le32 *)mpi_request;
-
- printk(KERN_INFO "mf:\n\t");
- for (i = 0; i < sz; i++) {
- if (i && ((i % 8) == 0))
- printk("\n\t");
- printk("%08x ", le32_to_cpu(mfp[i]));
- }
- printk("\n");
-}
-#else
-#define _debug_dump_mf(mpi_request, sz)
-#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
-
-#endif /* MPT2SAS_DEBUG_H_INCLUDED */
+++ /dev/null
-/*
- * Scsi Host Layer for MPT (Message Passing Technology) based controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/blkdev.h>
-#include <linux/sched.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/aer.h>
-#include <linux/raid_class.h>
-#include <linux/slab.h>
-
-#include <asm/unaligned.h>
-
-#include "mpt2sas_base.h"
-
-MODULE_AUTHOR(MPT2SAS_AUTHOR);
-MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
-
-#define RAID_CHANNEL 1
-
-/* forward proto's */
-static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander);
-static void _firmware_event_work(struct work_struct *work);
-
-static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
-
-static void _scsih_scan_start(struct Scsi_Host *shost);
-static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time);
-
-/* global parameters */
-LIST_HEAD(mpt2sas_ioc_list);
-/* global ioc lock for list operations */
-DEFINE_SPINLOCK(gioc_lock);
-/* local parameters */
-static u8 scsi_io_cb_idx = -1;
-static u8 tm_cb_idx = -1;
-static u8 ctl_cb_idx = -1;
-static u8 base_cb_idx = -1;
-static u8 port_enable_cb_idx = -1;
-static u8 transport_cb_idx = -1;
-static u8 scsih_cb_idx = -1;
-static u8 config_cb_idx = -1;
-static int mpt_ids;
-
-static u8 tm_tr_cb_idx = -1 ;
-static u8 tm_tr_volume_cb_idx = -1 ;
-static u8 tm_sas_control_cb_idx = -1;
-
-/* command line options */
-static u32 logging_level;
-MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
- "(default=0)");
-
-static ushort max_sectors = 0xFFFF;
-module_param(max_sectors, ushort, 0);
-MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
-
-static int missing_delay[2] = {-1, -1};
-module_param_array(missing_delay, int, NULL, 0);
-MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
-
-/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
-#define MPT2SAS_MAX_LUN (16895)
-static int max_lun = MPT2SAS_MAX_LUN;
-module_param(max_lun, int, 0);
-MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
-
-/* diag_buffer_enable is bitwise
- * bit 0 set = TRACE
- * bit 1 set = SNAPSHOT
- * bit 2 set = EXTENDED
- *
- * Either bit can be set, or both
- */
-static int diag_buffer_enable = -1;
-module_param(diag_buffer_enable, int, 0);
-MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers "
- "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
-
-static int disable_discovery = -1;
-module_param(disable_discovery, int, 0);
-MODULE_PARM_DESC(disable_discovery, " disable discovery ");
-
-/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
-static int prot_mask = 0;
-module_param(prot_mask, int, 0);
-MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
-
-/**
- * struct sense_info - common structure for obtaining sense keys
- * @skey: sense key
- * @asc: additional sense code
- * @ascq: additional sense code qualifier
- */
-struct sense_info {
- u8 skey;
- u8 asc;
- u8 ascq;
-};
-
-
-#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC)
-#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
-#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
-/**
- * struct fw_event_work - firmware event struct
- * @list: link list framework
- * @work: work object (ioc->fault_reset_work_q)
- * @cancel_pending_work: flag set during reset handling
- * @ioc: per adapter object
- * @device_handle: device handle
- * @VF_ID: virtual function id
- * @VP_ID: virtual port id
- * @ignore: flag meaning this event has been marked to ignore
- * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
- * @event_data: reply event data payload follows
- *
- * This object stored on ioc->fw_event_list.
- */
-struct fw_event_work {
- struct list_head list;
- u8 cancel_pending_work;
- struct delayed_work delayed_work;
- struct MPT2SAS_ADAPTER *ioc;
- u16 device_handle;
- u8 VF_ID;
- u8 VP_ID;
- u8 ignore;
- u16 event;
- struct kref refcount;
- char event_data[0] __aligned(4);
-};
-
-static void fw_event_work_free(struct kref *r)
-{
- kfree(container_of(r, struct fw_event_work, refcount));
-}
-
-static void fw_event_work_get(struct fw_event_work *fw_work)
-{
- kref_get(&fw_work->refcount);
-}
-
-static void fw_event_work_put(struct fw_event_work *fw_work)
-{
- kref_put(&fw_work->refcount, fw_event_work_free);
-}
-
-static struct fw_event_work *alloc_fw_event_work(int len)
-{
- struct fw_event_work *fw_event;
-
- fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
- if (!fw_event)
- return NULL;
-
- kref_init(&fw_event->refcount);
- return fw_event;
-}
-
-/* raid transport support */
-static struct raid_template *mpt2sas_raid_template;
-
-/**
- * struct _scsi_io_transfer - scsi io transfer
- * @handle: sas device handle (assigned by firmware)
- * @is_raid: flag set for hidden raid components
- * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
- * @data_length: data transfer length
- * @data_dma: dma pointer to data
- * @sense: sense data
- * @lun: lun number
- * @cdb_length: cdb length
- * @cdb: cdb contents
- * @timeout: timeout for this command
- * @VF_ID: virtual function id
- * @VP_ID: virtual port id
- * @valid_reply: flag set for reply message
- * @sense_length: sense length
- * @ioc_status: ioc status
- * @scsi_state: scsi state
- * @scsi_status: scsi staus
- * @log_info: log information
- * @transfer_length: data length transfer when there is a reply message
- *
- * Used for sending internal scsi commands to devices within this module.
- * Refer to _scsi_send_scsi_io().
- */
-struct _scsi_io_transfer {
- u16 handle;
- u8 is_raid;
- enum dma_data_direction dir;
- u32 data_length;
- dma_addr_t data_dma;
- u8 sense[SCSI_SENSE_BUFFERSIZE];
- u32 lun;
- u8 cdb_length;
- u8 cdb[32];
- u8 timeout;
- u8 VF_ID;
- u8 VP_ID;
- u8 valid_reply;
- /* the following bits are only valid when 'valid_reply = 1' */
- u32 sense_length;
- u16 ioc_status;
- u8 scsi_state;
- u8 scsi_status;
- u32 log_info;
- u32 transfer_length;
-};
-
-/*
- * The pci device ids are defined in mpi/mpi2_cnfg.h.
- */
-static struct pci_device_id scsih_pci_table[] = {
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Falcon ~ 2008*/
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Liberator ~ 2108 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Meteor ~ 2116 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Thunderbolt ~ 2208 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Mustang ~ 2308 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
- PCI_ANY_ID, PCI_ANY_ID },
- /* SSS6200 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
- PCI_ANY_ID, PCI_ANY_ID },
- {0} /* Terminating entry */
-};
-MODULE_DEVICE_TABLE(pci, scsih_pci_table);
-
-/**
- * _scsih_set_debug_level - global setting of ioc->logging_level.
- *
- * Note: The logging levels are defined in mpt2sas_debug.h.
- */
-static int
-_scsih_set_debug_level(const char *val, struct kernel_param *kp)
-{
- int ret = param_set_int(val, kp);
- struct MPT2SAS_ADAPTER *ioc;
-
- if (ret)
- return ret;
-
- printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
- spin_lock(&gioc_lock);
- list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
- ioc->logging_level = logging_level;
- spin_unlock(&gioc_lock);
- return 0;
-}
-module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
- &logging_level, 0644);
-
-/**
- * _scsih_srch_boot_sas_address - search based on sas_address
- * @sas_address: sas address
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_sas_address(u64 sas_address,
- Mpi2BootDeviceSasWwid_t *boot_device)
-{
- return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
-}
-
-/**
- * _scsih_srch_boot_device_name - search based on device name
- * @device_name: device name specified in INDENTIFY fram
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_device_name(u64 device_name,
- Mpi2BootDeviceDeviceName_t *boot_device)
-{
- return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
-}
-
-/**
- * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
- * @enclosure_logical_id: enclosure logical id
- * @slot_number: slot number
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static inline int
-_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
- Mpi2BootDeviceEnclosureSlot_t *boot_device)
-{
- return (enclosure_logical_id == le64_to_cpu(boot_device->
- EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
- SlotNumber)) ? 1 : 0;
-}
-
-/**
- * _scsih_is_boot_device - search for matching boot device.
- * @sas_address: sas address
- * @device_name: device name specified in INDENTIFY fram
- * @enclosure_logical_id: enclosure logical id
- * @slot_number: slot number
- * @form: specifies boot device form
- * @boot_device: boot device object from bios page 2
- *
- * Returns 1 when there's a match, 0 means no match.
- */
-static int
-_scsih_is_boot_device(u64 sas_address, u64 device_name,
- u64 enclosure_logical_id, u16 slot, u8 form,
- Mpi2BiosPage2BootDevice_t *boot_device)
-{
- int rc = 0;
-
- switch (form) {
- case MPI2_BIOSPAGE2_FORM_SAS_WWID:
- if (!sas_address)
- break;
- rc = _scsih_srch_boot_sas_address(
- sas_address, &boot_device->SasWwid);
- break;
- case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
- if (!enclosure_logical_id)
- break;
- rc = _scsih_srch_boot_encl_slot(
- enclosure_logical_id,
- slot, &boot_device->EnclosureSlot);
- break;
- case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
- if (!device_name)
- break;
- rc = _scsih_srch_boot_device_name(
- device_name, &boot_device->DeviceName);
- break;
- case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
- break;
- }
-
- return rc;
-}
-
-/**
- * _scsih_get_sas_address - set the sas_address for given device handle
- * @handle: device handle
- * @sas_address: sas address
- *
- * Returns 0 success, non-zero when failure
- */
-static int
-_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- u64 *sas_address)
-{
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 ioc_status;
- *sas_address = 0;
-
- if (handle <= ioc->sas_hba.num_phys) {
- *sas_address = ioc->sas_hba.sas_address;
- return 0;
- }
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return -ENXIO;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
- *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- return 0;
- }
-
- /* we hit this becuase the given parent handle doesn't exist */
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- return -ENXIO;
- /* else error case */
- printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), "
- "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
- __FILE__, __LINE__, __func__);
- return -EIO;
-}
-
-/**
- * _scsih_determine_boot_device - determine boot device.
- * @ioc: per adapter object
- * @device: either sas_device or raid_device object
- * @is_raid: [flag] 1 = raid object, 0 = sas object
- *
- * Determines whether this device should be first reported device to
- * to scsi-ml or sas transport, this purpose is for persistent boot device.
- * There are primary, alternate, and current entries in bios page 2. The order
- * priority is primary, alternate, then current. This routine saves
- * the corresponding device object and is_raid flag in the ioc object.
- * The saved data to be used later in _scsih_probe_boot_devices().
- */
-static void
-_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
- void *device, u8 is_raid)
-{
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- u64 sas_address;
- u64 device_name;
- u64 enclosure_logical_id;
- u16 slot;
-
- /* only process this function when driver loads */
- if (!ioc->is_driver_loading)
- return;
-
- /* no Bios, return immediately */
- if (!ioc->bios_pg3.BiosVersion)
- return;
-
- if (!is_raid) {
- sas_device = device;
- sas_address = sas_device->sas_address;
- device_name = sas_device->device_name;
- enclosure_logical_id = sas_device->enclosure_logical_id;
- slot = sas_device->slot;
- } else {
- raid_device = device;
- sas_address = raid_device->wwid;
- device_name = 0;
- enclosure_logical_id = 0;
- slot = 0;
- }
-
- if (!ioc->req_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.ReqBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.RequestedBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: req_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->req_boot_device.device = device;
- ioc->req_boot_device.is_raid = is_raid;
- }
- }
-
- if (!ioc->req_alt_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.ReqAltBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.RequestedAltBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: req_alt_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->req_alt_boot_device.device = device;
- ioc->req_alt_boot_device.is_raid = is_raid;
- }
- }
-
- if (!ioc->current_boot_device.device) {
- if (_scsih_is_boot_device(sas_address, device_name,
- enclosure_logical_id, slot,
- (ioc->bios_pg2.CurrentBootDeviceForm &
- MPI2_BIOSPAGE2_FORM_MASK),
- &ioc->bios_pg2.CurrentBootDevice)) {
- dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: current_boot_device(0x%016llx)\n",
- ioc->name, __func__,
- (unsigned long long)sas_address));
- ioc->current_boot_device.device = device;
- ioc->current_boot_device.is_raid = is_raid;
- }
- }
-}
-
-static struct _sas_device *
-__mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc,
- struct MPT2SAS_TARGET *tgt_priv)
-{
- struct _sas_device *ret;
-
- assert_spin_locked(&ioc->sas_device_lock);
-
- ret = tgt_priv->sdev;
- if (ret)
- sas_device_get(ret);
-
- return ret;
-}
-
-static struct _sas_device *
-mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc,
- struct MPT2SAS_TARGET *tgt_priv)
-{
- struct _sas_device *ret;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- ret = __mpt2sas_get_sdev_from_target(ioc, tgt_priv);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return ret;
-}
-
-
-struct _sas_device *
-__mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_device *sas_device;
-
- assert_spin_locked(&ioc->sas_device_lock);
-
- list_for_each_entry(sas_device, &ioc->sas_device_list, list)
- if (sas_device->sas_address == sas_address)
- goto found_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
- if (sas_device->sas_address == sas_address)
- goto found_device;
-
- return NULL;
-
-found_device:
- sas_device_get(sas_device);
- return sas_device;
-}
-
-/**
- * mpt2sas_get_sdev_by_addr - sas device search
- * @ioc: per adapter object
- * @sas_address: sas address
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for sas_device based on sas_address, then return sas_device
- * object.
- */
-struct _sas_device *
-mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- sas_address);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return sas_device;
-}
-
-static struct _sas_device *
-__mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device;
-
- assert_spin_locked(&ioc->sas_device_lock);
-
- list_for_each_entry(sas_device, &ioc->sas_device_list, list)
- if (sas_device->handle == handle)
- goto found_device;
-
- list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
- if (sas_device->handle == handle)
- goto found_device;
-
- return NULL;
-
-found_device:
- sas_device_get(sas_device);
- return sas_device;
-}
-
-/**
- * mpt2sas_get_sdev_by_handle - sas device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for sas_device based on sas_address, then return sas_device
- * object.
- */
-static struct _sas_device *
-mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return sas_device;
-}
-
-/**
- * _scsih_sas_device_remove - remove sas_device from list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * If sas_device is on the list, remove it and decrement its reference count.
- */
-static void
-_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- if (!sas_device)
- return;
-
- /*
- * The lock serializes access to the list, but we still need to verify
- * that nobody removed the entry while we were waiting on the lock.
- */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- if (!list_empty(&sas_device->list)) {
- list_del_init(&sas_device->list);
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-
-/**
- * _scsih_sas_device_add - insert sas_device to the list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * Adding new object to the ioc->sas_device_list.
- */
-static void
-_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)sas_device->sas_address));
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device_get(sas_device);
- list_add_tail(&sas_device->list, &ioc->sas_device_list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- _scsih_sas_device_remove(ioc, sas_device);
- } else if (!sas_device->starget) {
- /* When asyn scanning is enabled, its not possible to remove
- * devices while scanning is turned on due to an oops in
- * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
- */
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
- _scsih_sas_device_remove(ioc, sas_device);
- }
- }
-}
-
-/**
- * _scsih_sas_device_init_add - insert sas_device to the list.
- * @ioc: per adapter object
- * @sas_device: the sas_device object
- * Context: This function will acquire ioc->sas_device_lock.
- *
- * Adding new object at driver load time to the ioc->sas_device_init_list.
- */
-static void
-_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)sas_device->sas_address));
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device_get(sas_device);
- list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
- _scsih_determine_boot_device(ioc, sas_device, 0);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-/**
- * _scsih_raid_device_find_by_id - raid device search
- * @ioc: per adapter object
- * @id: sas device target id
- * @channel: sas device channel
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on target id, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->id == id && raid_device->channel == channel) {
- r = raid_device;
- goto out;
- }
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_find_by_handle - raid device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on handle, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->handle != handle)
- continue;
- r = raid_device;
- goto out;
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_find_by_wwid - raid device search
- * @ioc: per adapter object
- * @handle: sas device handle (assigned by firmware)
- * Context: Calling function should acquire ioc->raid_device_lock
- *
- * This searches for raid_device based on wwid, then return raid_device
- * object.
- */
-static struct _raid_device *
-_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
-{
- struct _raid_device *raid_device, *r;
-
- r = NULL;
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->wwid != wwid)
- continue;
- r = raid_device;
- goto out;
- }
-
- out:
- return r;
-}
-
-/**
- * _scsih_raid_device_add - add raid_device object
- * @ioc: per adapter object
- * @raid_device: raid_device object
- *
- * This is added to the raid_device_list link list.
- */
-static void
-_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- unsigned long flags;
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
- "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
- raid_device->handle, (unsigned long long)raid_device->wwid));
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_add_tail(&raid_device->list, &ioc->raid_device_list);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_raid_device_remove - delete raid_device object
- * @ioc: per adapter object
- * @raid_device: raid_device object
- *
- */
-static void
-_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_del(&raid_device->list);
- kfree(raid_device);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * mpt2sas_scsih_expander_find_by_handle - expander device search
- * @ioc: per adapter object
- * @handle: expander handle (assigned by firmware)
- * Context: Calling function should acquire ioc->sas_device_lock
- *
- * This searches for expander device based on handle, then returns the
- * sas_node object.
- */
-struct _sas_node *
-mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_node *sas_expander, *r;
-
- r = NULL;
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->handle != handle)
- continue;
- r = sas_expander;
- goto out;
- }
- out:
- return r;
-}
-
-/**
- * mpt2sas_scsih_expander_find_by_sas_address - expander device search
- * @ioc: per adapter object
- * @sas_address: sas address
- * Context: Calling function should acquire ioc->sas_node_lock.
- *
- * This searches for expander device based on sas_address, then returns the
- * sas_node object.
- */
-struct _sas_node *
-mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_node *sas_expander, *r;
-
- r = NULL;
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->sas_address != sas_address)
- continue;
- r = sas_expander;
- goto out;
- }
- out:
- return r;
-}
-
-/**
- * _scsih_expander_node_add - insert expander device to the list.
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- * Context: This function will acquire ioc->sas_node_lock.
- *
- * Adding new object to the ioc->sas_expander_list.
- *
- * Return nothing.
- */
-static void
-_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-}
-
-/**
- * _scsih_is_end_device - determines if device is an end device
- * @device_info: bitfield providing information about the device.
- * Context: none
- *
- * Returns 1 if end device.
- */
-static int
-_scsih_is_end_device(u32 device_info)
-{
- if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
- ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
- (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
- (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
- return 1;
- else
- return 0;
-}
-
-/**
- * _scsih_scsi_lookup_get - returns scmd entry
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- */
-static struct scsi_cmnd *
-_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return ioc->scsi_lookup[smid - 1].scmd;
-}
-
-/**
- * _scsih_scsi_lookup_get_clear - returns scmd entry
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- * Then will derefrence the stored scmd pointer.
- */
-static inline struct scsi_cmnd *
-_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- unsigned long flags;
- struct scsi_cmnd *scmd;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- scmd = ioc->scsi_lookup[smid - 1].scmd;
- ioc->scsi_lookup[smid - 1].scmd = NULL;
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
-
- return scmd;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_scmd - scmd lookup
- * @ioc: per adapter object
- * @smid: system request message index
- * @scmd: pointer to scsi command object
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a scmd pointer in the scsi_lookup array,
- * returning the revelent smid. A returned value of zero means invalid.
- */
-static u16
-_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
- *scmd)
-{
- u16 smid;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- smid = 0;
- for (i = 0; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd == scmd) {
- smid = ioc->scsi_lookup[i].smid;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return smid;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_target - search for matching channel:id
- * @ioc: per adapter object
- * @id: target id
- * @channel: channel
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a matching channel:id in the scsi_lookup array,
- * returning 1 if found.
- */
-static u8
-_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
- int channel)
-{
- u8 found;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- found = 0;
- for (i = 0 ; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd &&
- (ioc->scsi_lookup[i].scmd->device->id == id &&
- ioc->scsi_lookup[i].scmd->device->channel == channel)) {
- found = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return found;
-}
-
-/**
- * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
- * @ioc: per adapter object
- * @id: target id
- * @lun: lun number
- * @channel: channel
- * Context: This function will acquire ioc->scsi_lookup_lock.
- *
- * This will search for a matching channel:id:lun in the scsi_lookup array,
- * returning 1 if found.
- */
-static u8
-_scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
- unsigned int lun, int channel)
-{
- u8 found;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- found = 0;
- for (i = 0 ; i < ioc->scsiio_depth; i++) {
- if (ioc->scsi_lookup[i].scmd &&
- (ioc->scsi_lookup[i].scmd->device->id == id &&
- ioc->scsi_lookup[i].scmd->device->channel == channel &&
- ioc->scsi_lookup[i].scmd->device->lun == lun)) {
- found = 1;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return found;
-}
-
-/**
- * _scsih_get_chain_buffer_tracker - obtain chain tracker
- * @ioc: per adapter object
- * @smid: smid associated to an IO request
- *
- * Returns chain tracker(from ioc->free_chain_list)
- */
-static struct chain_tracker *
-_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- struct chain_tracker *chain_req;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- if (list_empty(&ioc->free_chain_list)) {
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not "
- "available\n", ioc->name));
- return NULL;
- }
- chain_req = list_entry(ioc->free_chain_list.next,
- struct chain_tracker, tracker_list);
- list_del_init(&chain_req->tracker_list);
- list_add_tail(&chain_req->tracker_list,
- &ioc->scsi_lookup[smid - 1].chain_list);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- return chain_req;
-}
-
-/**
- * _scsih_build_scatter_gather - main sg creation routine
- * @ioc: per adapter object
- * @scmd: scsi command
- * @smid: system request message index
- * Context: none.
- *
- * The main routine that builds scatter gather table from a given
- * scsi request sent via the .queuecommand main handler.
- *
- * Returns 0 success, anything else error
- */
-static int
-_scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
- struct scsi_cmnd *scmd, u16 smid)
-{
- Mpi2SCSIIORequest_t *mpi_request;
- dma_addr_t chain_dma;
- struct scatterlist *sg_scmd;
- void *sg_local, *chain;
- u32 chain_offset;
- u32 chain_length;
- u32 chain_flags;
- int sges_left;
- u32 sges_in_segment;
- u32 sgl_flags;
- u32 sgl_flags_last_element;
- u32 sgl_flags_end_buffer;
- struct chain_tracker *chain_req;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
-
- /* init scatter gather flags */
- sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
- if (scmd->sc_data_direction == DMA_TO_DEVICE)
- sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
- sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
- << MPI2_SGE_FLAGS_SHIFT;
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
-
- sg_scmd = scsi_sglist(scmd);
- sges_left = scsi_dma_map(scmd);
- if (sges_left < 0) {
- sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
- " failed: request for %d bytes!\n", scsi_bufflen(scmd));
- return -ENOMEM;
- }
-
- sg_local = &mpi_request->SGL;
- sges_in_segment = ioc->max_sges_in_main_message;
- if (sges_left <= sges_in_segment)
- goto fill_in_last_segment;
-
- mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
- (sges_in_segment * ioc->sge_size))/4;
-
- /* fill in main message segment when there is a chain following */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element | sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
-
- /* initializing the chain flags and pointers */
- chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
- chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- do {
- sges_in_segment = (sges_left <=
- ioc->max_sges_in_chain_message) ? sges_left :
- ioc->max_sges_in_chain_message;
- chain_offset = (sges_left == sges_in_segment) ?
- 0 : (sges_in_segment * ioc->sge_size)/4;
- chain_length = sges_in_segment * ioc->sge_size;
- if (chain_offset) {
- chain_offset = chain_offset <<
- MPI2_SGE_CHAIN_OFFSET_SHIFT;
- chain_length += ioc->sge_size;
- }
- ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
- chain_length, chain_dma);
- sg_local = chain;
- if (!chain_offset)
- goto fill_in_last_segment;
-
- /* fill in chain segments */
- while (sges_in_segment) {
- if (sges_in_segment == 1)
- ioc->base_add_sg_single(sg_local,
- sgl_flags_last_element |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd),
- sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- sges_in_segment--;
- }
-
- chain_req = _scsih_get_chain_buffer_tracker(ioc, smid);
- if (!chain_req)
- return -1;
- chain = chain_req->chain_buffer;
- chain_dma = chain_req->chain_buffer_dma;
- } while (1);
-
-
- fill_in_last_segment:
-
- /* fill the last segment */
- while (sges_left) {
- if (sges_left == 1)
- ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- else
- ioc->base_add_sg_single(sg_local, sgl_flags |
- sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
- sg_scmd = sg_next(sg_scmd);
- sg_local += ioc->sge_size;
- sges_left--;
- }
-
- return 0;
-}
-
-/**
- * _scsih_change_queue_depth - setting device queue depth
- * @sdev: scsi device struct
- * @qdepth: requested queue depth
- *
- * Returns queue depth.
- */
-static int
-_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
-{
- struct Scsi_Host *shost = sdev->host;
- int max_depth;
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- max_depth = shost->can_queue;
-
- /* limit max device queue for SATA to 32 */
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- goto not_sata;
- sas_target_priv_data = sas_device_priv_data->sas_target;
- if (!sas_target_priv_data)
- goto not_sata;
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
- goto not_sata;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data);
- if (sas_device) {
- if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
-
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- not_sata:
- if (!sdev->tagged_supported)
- max_depth = 1;
- if (qdepth > max_depth)
- qdepth = max_depth;
- return scsi_change_queue_depth(sdev, qdepth);
-}
-
-/**
- * _scsih_target_alloc - target add routine
- * @starget: scsi target struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_target_alloc(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(&starget->dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- struct sas_rphy *rphy;
-
- sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
- GFP_KERNEL);
- if (!sas_target_priv_data)
- return -ENOMEM;
-
- starget->hostdata = sas_target_priv_data;
- sas_target_priv_data->starget = starget;
- sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
-
- /* RAID volumes */
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
- starget->channel);
- if (raid_device) {
- sas_target_priv_data->handle = raid_device->handle;
- sas_target_priv_data->sas_address = raid_device->wwid;
- sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
- if (ioc->is_warpdrive)
- sas_target_priv_data->raid_device = raid_device;
- raid_device->starget = starget;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- return 0;
- }
-
- /* sas/sata devices */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- rphy = dev_to_rphy(starget->dev.parent);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- rphy->identify.sas_address);
-
- if (sas_device) {
- sas_target_priv_data->handle = sas_device->handle;
- sas_target_priv_data->sas_address = sas_device->sas_address;
- sas_target_priv_data->sdev = sas_device;
- sas_device->starget = starget;
- sas_device->id = starget->id;
- sas_device->channel = starget->channel;
- if (test_bit(sas_device->handle, ioc->pd_handles))
- sas_target_priv_data->flags |=
- MPT_TARGET_FLAGS_RAID_COMPONENT;
-
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return 0;
-}
-
-/**
- * _scsih_target_destroy - target destroy routine
- * @starget: scsi target struct
- *
- * Returns nothing.
- */
-static void
-_scsih_target_destroy(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(&starget->dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- struct sas_rphy *rphy;
-
- sas_target_priv_data = starget->hostdata;
- if (!sas_target_priv_data)
- return;
-
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
- starget->channel);
- if (raid_device) {
- raid_device->starget = NULL;
- raid_device->sdev = NULL;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- goto out;
- }
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- rphy = dev_to_rphy(starget->dev.parent);
- sas_device = __mpt2sas_get_sdev_from_target(ioc, sas_target_priv_data);
- if (sas_device && (sas_device->starget == starget) &&
- (sas_device->id == starget->id) &&
- (sas_device->channel == starget->channel))
- sas_device->starget = NULL;
-
- if (sas_device) {
- /*
- * Corresponding get() is in _scsih_target_alloc()
- */
- sas_target_priv_data->sdev = NULL;
- sas_device_put(sas_device);
-
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- out:
- kfree(sas_target_priv_data);
- starget->hostdata = NULL;
-}
-
-/**
- * _scsih_slave_alloc - device add routine
- * @sdev: scsi device struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_slave_alloc(struct scsi_device *sdev)
-{
- struct Scsi_Host *shost;
- struct MPT2SAS_ADAPTER *ioc;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_target *starget;
- struct _raid_device *raid_device;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
- GFP_KERNEL);
- if (!sas_device_priv_data)
- return -ENOMEM;
-
- sas_device_priv_data->lun = sdev->lun;
- sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
-
- starget = scsi_target(sdev);
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->num_luns++;
- sas_device_priv_data->sas_target = sas_target_priv_data;
- sdev->hostdata = sas_device_priv_data;
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
- sdev->no_uld_attach = 1;
-
- shost = dev_to_shost(&starget->dev);
- ioc = shost_priv(shost);
- if (starget->channel == RAID_CHANNEL) {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc,
- starget->id, starget->channel);
- if (raid_device)
- raid_device->sdev = sdev; /* raid is single lun */
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-
- if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- sas_target_priv_data->sas_address);
- if (sas_device && (sas_device->starget == NULL)) {
- sdev_printk(KERN_INFO, sdev,
- "%s : sas_device->starget set to starget @ %d\n",
- __func__, __LINE__);
- sas_device->starget = starget;
- }
-
- if (sas_device)
- sas_device_put(sas_device);
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-
- return 0;
-}
-
-/**
- * _scsih_slave_destroy - device destroy routine
- * @sdev: scsi device struct
- *
- * Returns nothing.
- */
-static void
-_scsih_slave_destroy(struct scsi_device *sdev)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget;
- struct Scsi_Host *shost;
- struct MPT2SAS_ADAPTER *ioc;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (!sdev->hostdata)
- return;
-
- starget = scsi_target(sdev);
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->num_luns--;
-
- shost = dev_to_shost(&starget->dev);
- ioc = shost_priv(shost);
-
- if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_from_target(ioc,
- sas_target_priv_data);
- if (sas_device && !sas_target_priv_data->num_luns)
- sas_device->starget = NULL;
-
- if (sas_device)
- sas_device_put(sas_device);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-
- kfree(sdev->hostdata);
- sdev->hostdata = NULL;
-}
-
-/**
- * _scsih_display_sata_capabilities - sata capabilities
- * @ioc: per adapter object
- * @handle: device handle
- * @sdev: scsi device struct
- */
-static void
-_scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
- u16 handle, struct scsi_device *sdev)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- u16 flags;
- u32 device_info;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- flags = le16_to_cpu(sas_device_pg0.Flags);
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
-
- sdev_printk(KERN_INFO, sdev,
- "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
- "sw_preserve(%s)\n",
- (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
- "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
- (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
-}
-
-/**
- * _scsih_is_raid - return boolean indicating device is raid volume
- * @dev the device struct object
- */
-static int
-_scsih_is_raid(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
-
- if (ioc->is_warpdrive)
- return 0;
- return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
-}
-
-/**
- * _scsih_get_resync - get raid volume resync percent complete
- * @dev the device struct object
- */
-static void
-_scsih_get_resync(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
- static struct _raid_device *raid_device;
- unsigned long flags;
- Mpi2RaidVolPage0_t vol_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 volume_status_flags;
- u8 percent_complete;
- u16 handle;
-
- percent_complete = 0;
- handle = 0;
- if (ioc->is_warpdrive)
- goto out;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
- sdev->channel);
- if (raid_device) {
- handle = raid_device->handle;
- percent_complete = raid_device->percent_complete;
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (!handle)
- goto out;
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- percent_complete = 0;
- goto out;
- }
-
- volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
- if (!(volume_status_flags &
- MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
- percent_complete = 0;
-
- out:
- raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
-}
-
-/**
- * _scsih_get_state - get raid volume level
- * @dev the device struct object
- */
-static void
-_scsih_get_state(struct device *dev)
-{
- struct scsi_device *sdev = to_scsi_device(dev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
- static struct _raid_device *raid_device;
- unsigned long flags;
- Mpi2RaidVolPage0_t vol_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 volstate;
- enum raid_state state = RAID_STATE_UNKNOWN;
- u16 handle = 0;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
- sdev->channel);
- if (raid_device)
- handle = raid_device->handle;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (!raid_device)
- goto out;
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
- if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
- state = RAID_STATE_RESYNCING;
- goto out;
- }
-
- switch (vol_pg0.VolumeState) {
- case MPI2_RAID_VOL_STATE_OPTIMAL:
- case MPI2_RAID_VOL_STATE_ONLINE:
- state = RAID_STATE_ACTIVE;
- break;
- case MPI2_RAID_VOL_STATE_DEGRADED:
- state = RAID_STATE_DEGRADED;
- break;
- case MPI2_RAID_VOL_STATE_FAILED:
- case MPI2_RAID_VOL_STATE_MISSING:
- state = RAID_STATE_OFFLINE;
- break;
- }
- out:
- raid_set_state(mpt2sas_raid_template, dev, state);
-}
-
-/**
- * _scsih_set_level - set raid level
- * @sdev: scsi device struct
- * @volume_type: volume type
- */
-static void
-_scsih_set_level(struct scsi_device *sdev, u8 volume_type)
-{
- enum raid_level level = RAID_LEVEL_UNKNOWN;
-
- switch (volume_type) {
- case MPI2_RAID_VOL_TYPE_RAID0:
- level = RAID_LEVEL_0;
- break;
- case MPI2_RAID_VOL_TYPE_RAID10:
- level = RAID_LEVEL_10;
- break;
- case MPI2_RAID_VOL_TYPE_RAID1E:
- level = RAID_LEVEL_1E;
- break;
- case MPI2_RAID_VOL_TYPE_RAID1:
- level = RAID_LEVEL_1;
- break;
- }
-
- raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
-}
-
-/**
- * _scsih_get_volume_capabilities - volume capabilities
- * @ioc: per adapter object
- * @sas_device: the raid_device object
- *
- * Returns 0 for success, else 1
- */
-static int
-_scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- Mpi2RaidVolPage0_t *vol_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 sz;
- u8 num_pds;
-
- if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
- &num_pds)) || !num_pds) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- return 1;
- }
-
- raid_device->num_pds = num_pds;
- sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
- sizeof(Mpi2RaidVol0PhysDisk_t));
- vol_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!vol_pg0) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- return 1;
- }
-
- if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
- __func__));
- kfree(vol_pg0);
- return 1;
- }
-
- raid_device->volume_type = vol_pg0->VolumeType;
-
- /* figure out what the underlying devices are by
- * obtaining the device_info bits for the 1st device
- */
- if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
- vol_pg0->PhysDisk[0].PhysDiskNum))) {
- if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- le16_to_cpu(pd_pg0.DevHandle)))) {
- raid_device->device_info =
- le32_to_cpu(sas_device_pg0.DeviceInfo);
- }
- }
-
- kfree(vol_pg0);
- return 0;
-}
-/**
- * _scsih_disable_ddio - Disable direct I/O for all the volumes
- * @ioc: per adapter object
- */
-static void
-_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t vol_pg1;
- Mpi2ConfigReply_t mpi_reply;
- struct _raid_device *raid_device;
- u16 handle;
- u16 ioc_status;
- unsigned long flags;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- break;
- handle = le16_to_cpu(vol_pg1.DevHandle);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device)
- raid_device->direct_io_enabled = 0;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
- return;
-}
-
-
-/**
- * _scsih_get_num_volumes - Get number of volumes in the ioc
- * @ioc: per adapter object
- */
-static u8
-_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t vol_pg1;
- Mpi2ConfigReply_t mpi_reply;
- u16 handle;
- u8 vol_cnt = 0;
- u16 ioc_status;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
- break;
- vol_cnt++;
- handle = le16_to_cpu(vol_pg1.DevHandle);
- }
- return vol_cnt;
-}
-
-
-/**
- * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
- * @ioc: per adapter object
- * @raid_device: the raid_device object
- */
-static void
-_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc,
- struct _raid_device *raid_device)
-{
- Mpi2RaidVolPage0_t *vol_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 sz;
- u8 num_pds, count;
- unsigned long stripe_sz, block_sz;
- u8 stripe_exp, block_exp;
- u64 dev_max_lba;
-
- if (!ioc->is_warpdrive)
- return;
-
- if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "globally as drives are exposed\n", ioc->name);
- return;
- }
- if (_scsih_get_num_volumes(ioc) > 1) {
- _scsih_disable_ddio(ioc);
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "globally as number of drives > 1\n", ioc->name);
- return;
- }
- if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
- &num_pds)) || !num_pds) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Failure in computing number of drives\n", ioc->name);
- return;
- }
-
- sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
- sizeof(Mpi2RaidVol0PhysDisk_t));
- vol_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!vol_pg0) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Memory allocation failure for RVPG0\n", ioc->name);
- return;
- }
-
- if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
- MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "Failure in retrieving RVPG0\n", ioc->name);
- kfree(vol_pg0);
- return;
- }
-
- /*
- * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
- * assumed for WARPDRIVE, disable direct I/O
- */
- if (num_pds > MPT_MAX_WARPDRIVE_PDS) {
- printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x): num_mem=%d, "
- "max_mem_allowed=%d\n", ioc->name, raid_device->handle,
- num_pds, MPT_MAX_WARPDRIVE_PDS);
- kfree(vol_pg0);
- return;
- }
- for (count = 0; count < num_pds; count++) {
- if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
- vol_pg0->PhysDisk[count].PhysDiskNum) ||
- le16_to_cpu(pd_pg0.DevHandle) ==
- MPT2SAS_INVALID_DEVICE_HANDLE) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
- "disabled for the drive with handle(0x%04x) member"
- "handle retrieval failed for member number=%d\n",
- ioc->name, raid_device->handle,
- vol_pg0->PhysDisk[count].PhysDiskNum);
- goto out_error;
- }
- /* Disable direct I/O if member drive lba exceeds 4 bytes */
- dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA);
- if (dev_max_lba >> 32) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is "
- "disabled for the drive with handle(0x%04x) member"
- "handle (0x%04x) unsupported max lba 0x%016llx\n",
- ioc->name, raid_device->handle,
- le16_to_cpu(pd_pg0.DevHandle),
- (unsigned long long)dev_max_lba);
- goto out_error;
- }
-
- raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle);
- }
-
- /*
- * Assumption for WD: Direct I/O is not supported if the volume is
- * not RAID0
- */
- if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x): type=%d, "
- "s_sz=%uK, blk_size=%u\n", ioc->name,
- raid_device->handle, raid_device->volume_type,
- (le32_to_cpu(vol_pg0->StripeSize) *
- le16_to_cpu(vol_pg0->BlockSize)) / 1024,
- le16_to_cpu(vol_pg0->BlockSize));
- goto out_error;
- }
-
- stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
- stripe_exp = find_first_bit(&stripe_sz, 32);
- if (stripe_exp == 32) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
- ioc->name, raid_device->handle,
- (le32_to_cpu(vol_pg0->StripeSize) *
- le16_to_cpu(vol_pg0->BlockSize)) / 1024);
- goto out_error;
- }
- raid_device->stripe_exponent = stripe_exp;
- block_sz = le16_to_cpu(vol_pg0->BlockSize);
- block_exp = find_first_bit(&block_sz, 16);
- if (block_exp == 16) {
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled "
- "for the drive with handle(0x%04x) invalid block sz %u\n",
- ioc->name, raid_device->handle,
- le16_to_cpu(vol_pg0->BlockSize));
- goto out_error;
- }
- raid_device->block_exponent = block_exp;
- raid_device->direct_io_enabled = 1;
-
- printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive"
- " with handle(0x%04x)\n", ioc->name, raid_device->handle);
- /*
- * WARPDRIVE: Though the following fields are not used for direct IO,
- * stored for future purpose:
- */
- raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA);
- raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize);
- raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize);
-
-
- kfree(vol_pg0);
- return;
-
-out_error:
- raid_device->direct_io_enabled = 0;
- for (count = 0; count < num_pds; count++)
- raid_device->pd_handle[count] = 0;
- kfree(vol_pg0);
- return;
-}
-
-/**
- * _scsih_enable_tlr - setting TLR flags
- * @ioc: per adapter object
- * @sdev: scsi device struct
- *
- * Enabling Transaction Layer Retries for tape devices when
- * vpd page 0x90 is present
- *
- */
-static void
-_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
-{
- /* only for TAPE */
- if (sdev->type != TYPE_TAPE)
- return;
-
- if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
- return;
-
- sas_enable_tlr(sdev);
- sdev_printk(KERN_INFO, sdev, "TLR %s\n",
- sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
- return;
-
-}
-
-/**
- * _scsih_slave_configure - device configure routine.
- * @sdev: scsi device struct
- *
- * Returns 0 if ok. Any other return is assumed to be an error and
- * the device is ignored.
- */
-static int
-_scsih_slave_configure(struct scsi_device *sdev)
-{
- struct Scsi_Host *shost = sdev->host;
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- unsigned long flags;
- int qdepth;
- u8 ssp_target = 0;
- char *ds = "";
- char *r_level = "";
- u16 handle, volume_handle = 0;
- u64 volume_wwid = 0;
-
- qdepth = 1;
- sas_device_priv_data = sdev->hostdata;
- sas_device_priv_data->configured_lun = 1;
- sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
- sas_target_priv_data = sas_device_priv_data->sas_target;
- handle = sas_target_priv_data->handle;
-
- /* raid volume handling */
- if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (!raid_device) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
-
- if (_scsih_get_volume_capabilities(ioc, raid_device)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
- /*
- * WARPDRIVE: Initialize the required data for Direct IO
- */
- _scsih_init_warpdrive_properties(ioc, raid_device);
-
- /* RAID Queue Depth Support
- * IS volume = underlying qdepth of drive type, either
- * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
- * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
- */
- if (raid_device->device_info &
- MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
- qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
- ds = "SSP";
- } else {
- qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
- if (raid_device->device_info &
- MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "SATA";
- else
- ds = "STP";
- }
-
- switch (raid_device->volume_type) {
- case MPI2_RAID_VOL_TYPE_RAID0:
- r_level = "RAID0";
- break;
- case MPI2_RAID_VOL_TYPE_RAID1E:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- if (ioc->manu_pg10.OEMIdentifier &&
- (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
- MFG10_GF0_R10_DISPLAY) &&
- !(raid_device->num_pds % 2))
- r_level = "RAID10";
- else
- r_level = "RAID1E";
- break;
- case MPI2_RAID_VOL_TYPE_RAID1:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAID1";
- break;
- case MPI2_RAID_VOL_TYPE_RAID10:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAID10";
- break;
- case MPI2_RAID_VOL_TYPE_UNKNOWN:
- default:
- qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
- r_level = "RAIDX";
- break;
- }
-
- if (!ioc->hide_ir_msg)
- sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
- "wwid(0x%016llx), pd_count(%d), type(%s)\n",
- r_level, raid_device->handle,
- (unsigned long long)raid_device->wwid,
- raid_device->num_pds, ds);
- _scsih_change_queue_depth(sdev, qdepth);
- /* raid transport support */
- if (!ioc->is_warpdrive)
- _scsih_set_level(sdev, raid_device->volume_type);
- return 0;
- }
-
- /* non-raid handling */
- if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
- if (mpt2sas_config_get_volume_handle(ioc, handle,
- &volume_handle)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__));
- return 1;
- }
- if (volume_handle && mpt2sas_config_get_volume_wwid(ioc,
- volume_handle, &volume_wwid)) {
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__));
- return 1;
- }
- }
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- sas_device_priv_data->sas_target->sas_address);
- if (!sas_device) {
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- dfailprintk(ioc, printk(MPT2SAS_WARN_FMT
- "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
- __LINE__, __func__));
- return 1;
- }
- sas_device->volume_handle = volume_handle;
- sas_device->volume_wwid = volume_wwid;
- if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
- qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
- ssp_target = 1;
- ds = "SSP";
- } else {
- qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
- if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
- ds = "STP";
- else if (sas_device->device_info &
- MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- ds = "SATA";
- }
- sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
- "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
- ds, sas_device->handle,
- (unsigned long long)sas_device->sas_address,
- sas_device->phy,
- (unsigned long long)sas_device->device_name);
- sdev_printk(KERN_INFO, sdev, "%s: "
- "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
- (unsigned long long) sas_device->enclosure_logical_id,
- sas_device->slot);
-
- sas_device_put(sas_device);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!ssp_target)
- _scsih_display_sata_capabilities(ioc, handle, sdev);
-
- _scsih_change_queue_depth(sdev, qdepth);
-
- if (ssp_target) {
- sas_read_port_mode_page(sdev);
- _scsih_enable_tlr(ioc, sdev);
- }
-
- return 0;
-}
-
-/**
- * _scsih_bios_param - fetch head, sector, cylinder info for a disk
- * @sdev: scsi device struct
- * @bdev: pointer to block device context
- * @capacity: device size (in 512 byte sectors)
- * @params: three element array to place output:
- * params[0] number of heads (max 255)
- * params[1] number of sectors (max 63)
- * params[2] number of cylinders
- *
- * Return nothing.
- */
-static int
-_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
- sector_t capacity, int params[])
-{
- int heads;
- int sectors;
- sector_t cylinders;
- ulong dummy;
-
- heads = 64;
- sectors = 32;
-
- dummy = heads * sectors;
- cylinders = capacity;
- sector_div(cylinders, dummy);
-
- /*
- * Handle extended translation size for logical drives
- * > 1Gb
- */
- if ((ulong)capacity >= 0x200000) {
- heads = 255;
- sectors = 63;
- dummy = heads * sectors;
- cylinders = capacity;
- sector_div(cylinders, dummy);
- }
-
- /* return result */
- params[0] = heads;
- params[1] = sectors;
- params[2] = cylinders;
-
- return 0;
-}
-
-/**
- * _scsih_response_code - translation of device response code
- * @ioc: per adapter object
- * @response_code: response code returned by the device
- *
- * Return nothing.
- */
-static void
-_scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
-{
- char *desc;
-
- switch (response_code) {
- case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
- desc = "task management request completed";
- break;
- case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
- desc = "invalid frame";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
- desc = "task management request not supported";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
- desc = "task management request failed";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
- desc = "task management request succeeded";
- break;
- case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
- desc = "invalid lun";
- break;
- case 0xA:
- desc = "overlapped tag attempted";
- break;
- case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
- desc = "task queued, however not sent to target";
- break;
- default:
- desc = "unknown";
- break;
- }
- printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
- ioc->name, response_code, desc);
-}
-
-/**
- * _scsih_tm_done - tm completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: none.
- *
- * The callback handler when using scsih_issue_tm.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->tm_cmds.smid != smid)
- return 1;
- mpt2sas_base_flush_reply_queues(ioc);
- ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (mpi_reply) {
- memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
- ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
- }
- ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->tm_cmds.done);
- return 1;
-}
-
-/**
- * mpt2sas_scsih_set_tm_flag - set per target tm_busy
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During taskmangement request, we need to freeze the device queue.
- */
-void
-mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
- u8 skip = 0;
-
- shost_for_each_device(sdev, ioc->shost) {
- if (skip)
- continue;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- sas_device_priv_data->sas_target->tm_busy = 1;
- skip = 1;
- ioc->ignore_loginfos = 1;
- }
- }
-}
-
-/**
- * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During taskmangement request, we need to freeze the device queue.
- */
-void
-mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
- u8 skip = 0;
-
- shost_for_each_device(sdev, ioc->shost) {
- if (skip)
- continue;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- sas_device_priv_data->sas_target->tm_busy = 0;
- skip = 1;
- ioc->ignore_loginfos = 0;
- }
- }
-}
-
-
-/**
- * mpt2sas_scsih_issue_tm - main routine for sending tm requests
- * @ioc: per adapter struct
- * @device_handle: device handle
- * @channel: the channel assigned by the OS
- * @id: the id assigned by the OS
- * @lun: lun number
- * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
- * @smid_task: smid assigned to the task
- * @timeout: timeout in seconds
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
- * Context: user
- *
- * A generic API for sending task management requests to firmware.
- *
- * The callback index is set inside `ioc->tm_cb_idx`.
- *
- * Return SUCCESS or FAILED.
- */
-int
-mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
- uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
- enum mutex_type m_type)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- Mpi2SCSITaskManagementReply_t *mpi_reply;
- u16 smid = 0;
- u32 ioc_state;
- unsigned long timeleft;
- struct scsiio_tracker *scsi_lookup = NULL;
- int rc;
-
- if (m_type == TM_MUTEX_ON)
- mutex_lock(&ioc->tm_cmds.mutex);
- if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
- __func__, ioc->name);
- rc = FAILED;
- goto err_out;
- }
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- rc = FAILED;
- goto err_out;
- }
-
- ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
- if (ioc_state & MPI2_DOORBELL_USED) {
- dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
- "active!\n", ioc->name));
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
- }
-
- if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
- mpt2sas_base_fault_info(ioc, ioc_state &
- MPI2_DOORBELL_DATA_MASK);
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- goto err_out;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = FAILED;
- goto err_out;
- }
-
- if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
- scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
- " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
- smid_task));
- ioc->tm_cmds.status = MPT2_CMD_PENDING;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->tm_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = type;
- mpi_request->TaskMID = cpu_to_le16(smid_task);
- int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
- mpt2sas_scsih_set_tm_flag(ioc, handle);
- init_completion(&ioc->tm_cmds.done);
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
- if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SCSITaskManagementRequest_t)/4);
- if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = (!rc) ? SUCCESS : FAILED;
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- mpt2sas_scsih_clear_tm_flag(ioc, handle);
- goto err_out;
- }
- }
-
- if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
- mpi_reply = ioc->tm_cmds.reply;
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
- "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
- if (ioc->logging_level & MPT_DEBUG_TM) {
- _scsih_response_code(ioc, mpi_reply->ResponseCode);
- if (mpi_reply->IOCStatus)
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SCSITaskManagementRequest_t)/4);
- }
- }
-
- switch (type) {
- case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
- rc = SUCCESS;
- if (scsi_lookup->scmd == NULL)
- break;
- rc = FAILED;
- break;
-
- case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
- if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
- rc = FAILED;
- else
- rc = SUCCESS;
- break;
-
- case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
- case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
- if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
- rc = FAILED;
- else
- rc = SUCCESS;
- break;
- case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
- rc = SUCCESS;
- break;
- default:
- rc = FAILED;
- break;
- }
-
- mpt2sas_scsih_clear_tm_flag(ioc, handle);
- ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
-
- return rc;
-
- err_out:
- if (m_type == TM_MUTEX_ON)
- mutex_unlock(&ioc->tm_cmds.mutex);
- return rc;
-}
-
-/**
- * _scsih_tm_display_info - displays info about the device
- * @ioc: per adapter struct
- * @scmd: pointer to scsi command object
- *
- * Called by task management callback handlers.
- */
-static void
-_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
-{
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *priv_target = starget->hostdata;
- struct _sas_device *sas_device = NULL;
- unsigned long flags;
- char *device_str = NULL;
-
- if (!priv_target)
- return;
- if (ioc->hide_ir_msg)
- device_str = "WarpDrive";
- else
- device_str = "volume";
-
- scsi_print_command(scmd);
- if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- starget_printk(KERN_INFO, starget, "%s handle(0x%04x), "
- "%s wwid(0x%016llx)\n", device_str, priv_target->handle,
- device_str, (unsigned long long)priv_target->sas_address);
- } else {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_from_target(ioc, priv_target);
- if (sas_device) {
- if (priv_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- starget_printk(KERN_INFO, starget,
- "volume handle(0x%04x), "
- "volume wwid(0x%016llx)\n",
- sas_device->volume_handle,
- (unsigned long long)sas_device->volume_wwid);
- }
- starget_printk(KERN_INFO, starget,
- "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
- sas_device->handle,
- (unsigned long long)sas_device->sas_address,
- sas_device->phy);
- starget_printk(KERN_INFO, starget,
- "enclosure_logical_id(0x%016llx), slot(%d)\n",
- (unsigned long long)sas_device->enclosure_logical_id,
- sas_device->slot);
-
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
-}
-
-/**
- * _scsih_abort - eh threads main abort routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_abort(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u16 smid;
- u16 handle;
- int r;
-
- sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* search for the command */
- smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
- if (!smid) {
- scmd->result = DID_RESET << 16;
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components and volumes this is not supported */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT ||
- sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- mpt2sas_halt_firmware(ioc);
-
- handle = sas_device_priv_data->sas_target->handle;
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON);
-
- out:
- sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
- return r;
-}
-
-/**
- * _scsih_dev_reset - eh threads main device reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_dev_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct _sas_device *sas_device = NULL;
- u16 handle;
- int r;
-
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *target_priv_data = starget->hostdata;
-
- starget_printk(KERN_INFO, starget, "attempting device reset! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- starget_printk(KERN_INFO, starget, "device been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components obtain the volume_handle */
- handle = 0;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- sas_device = mpt2sas_get_sdev_from_target(ioc,
- target_priv_data);
- if (sas_device)
- handle = sas_device->volume_handle;
- } else
- handle = sas_device_priv_data->sas_target->handle;
-
- if (!handle) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, scmd->device->lun,
- MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON);
-
- out:
- sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
-
- if (sas_device)
- sas_device_put(sas_device);
-
- return r;
-}
-
-/**
- * _scsih_target_reset - eh threads main target reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_target_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct _sas_device *sas_device = NULL;
- u16 handle;
- int r;
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *target_priv_data = starget->hostdata;
-
- starget_printk(KERN_INFO, starget, "attempting target reset! "
- "scmd(%p)\n", scmd);
- _scsih_tm_display_info(ioc, scmd);
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- starget_printk(KERN_INFO, starget, "target been deleted! "
- "scmd(%p)\n", scmd);
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- r = SUCCESS;
- goto out;
- }
-
- /* for hidden raid components obtain the volume_handle */
- handle = 0;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT) {
- sas_device = mpt2sas_get_sdev_from_target(ioc,
- target_priv_data);
- if (sas_device)
- handle = sas_device->volume_handle;
- } else
- handle = sas_device_priv_data->sas_target->handle;
-
- if (!handle) {
- scmd->result = DID_RESET << 16;
- r = FAILED;
- goto out;
- }
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
- scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
- 30, TM_MUTEX_ON);
-
- out:
- starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
- ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
-
- if (sas_device)
- sas_device_put(sas_device);
-
- return r;
-}
-
-/**
- * _scsih_host_reset - eh threads main host reset routine
- * @scmd: pointer to scsi command object
- *
- * Returns SUCCESS if command aborted else FAILED
- */
-static int
-_scsih_host_reset(struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
- int r, retval;
-
- printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
- ioc->name, scmd);
- scsi_print_command(scmd);
-
- if (ioc->is_driver_loading) {
- printk(MPT2SAS_INFO_FMT "Blocking the host reset\n",
- ioc->name);
- r = FAILED;
- goto out;
- }
-
- retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- r = (retval < 0) ? FAILED : SUCCESS;
-
- out:
- printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
- ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
-
- return r;
-}
-
-/**
- * _scsih_fw_event_add - insert and queue up fw_event
- * @ioc: per adapter object
- * @fw_event: object describing the event
- * Context: This function will acquire ioc->fw_event_lock.
- *
- * This adds the firmware event object into link list, then queues it up to
- * be processed from user context.
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
-{
- unsigned long flags;
-
- if (ioc->firmware_event_thread == NULL)
- return;
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- fw_event_work_get(fw_event);
- list_add_tail(&fw_event->list, &ioc->fw_event_list);
- INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
- fw_event_work_get(fw_event);
- queue_delayed_work(ioc->firmware_event_thread,
- &fw_event->delayed_work, 0);
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-/**
- * _scsih_fw_event_del_from_list - delete fw_event from the list
- * @ioc: per adapter object
- * @fw_event: object describing the event
- * Context: This function will acquire ioc->fw_event_lock.
- *
- * If the fw_event is on the fw_event_list, remove it and do a put.
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_del_from_list(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
- *fw_event)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- if (!list_empty(&fw_event->list)) {
- list_del_init(&fw_event->list);
- fw_event_work_put(fw_event);
- }
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-/**
- * _scsih_error_recovery_delete_devices - remove devices not responding
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event;
-
- if (ioc->is_driver_loading)
- return;
-
- fw_event = alloc_fw_event_work(0);
- if (!fw_event)
- return;
-
- fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
- fw_event_work_put(fw_event);
-}
-
-/**
- * mpt2sas_port_enable_complete - port enable completed (fake event)
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-void
-mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event;
-
- fw_event = alloc_fw_event_work(0);
- if (!fw_event)
- return;
- fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
- fw_event_work_put(fw_event);
-}
-
-static struct fw_event_work *dequeue_next_fw_event(struct MPT2SAS_ADAPTER *ioc)
-{
- unsigned long flags;
- struct fw_event_work *fw_event = NULL;
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- if (!list_empty(&ioc->fw_event_list)) {
- fw_event = list_first_entry(&ioc->fw_event_list,
- struct fw_event_work, list);
- list_del_init(&fw_event->list);
- }
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-
- return fw_event;
-}
-
-/**
- * _scsih_fw_event_cleanup_queue - cleanup event queue
- * @ioc: per adapter object
- *
- * Walk the firmware event queue, either killing timers, or waiting
- * for outstanding events to complete
- *
- * Return nothing.
- */
-static void
-_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
-{
- struct fw_event_work *fw_event;
-
- if (list_empty(&ioc->fw_event_list) ||
- !ioc->firmware_event_thread || in_interrupt())
- return;
-
- while ((fw_event = dequeue_next_fw_event(ioc))) {
- /*
- * Wait on the fw_event to complete. If this returns 1, then
- * the event was never executed, and we need a put for the
- * reference the delayed_work had on the fw_event.
- *
- * If it did execute, we wait for it to finish, and the put will
- * happen from _firmware_event_work()
- */
- if (cancel_delayed_work_sync(&fw_event->delayed_work))
- fw_event_work_put(fw_event);
-
- fw_event_work_put(fw_event);
- }
-}
-
-/**
- * _scsih_ublock_io_all_device - unblock every device
- * @ioc: per adapter object
- *
- * change the device state from block to running
- */
-static void
-_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (!sas_device_priv_data->block)
- continue;
- sas_device_priv_data->block = 0;
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, "
- "handle(0x%04x)\n",
- sas_device_priv_data->sas_target->handle));
- scsi_internal_device_unblock(sdev, SDEV_RUNNING);
- }
-}
-/**
- * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (!sas_device_priv_data->block)
- continue;
- if (sas_device_priv_data->sas_target->sas_address ==
- sas_address) {
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
- MPT2SAS_INFO_FMT "SDEV_RUNNING: "
- "sas address(0x%016llx)\n", ioc->name,
- (unsigned long long)sas_address));
- sas_device_priv_data->block = 0;
- scsi_internal_device_unblock(sdev, SDEV_RUNNING);
- }
- }
-}
-
-/**
- * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->block)
- continue;
- sas_device_priv_data->block = 1;
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, "
- "handle(0x%04x)\n",
- sas_device_priv_data->sas_target->handle));
- scsi_internal_device_block(sdev);
- }
-}
-
-
-/**
- * _scsih_block_io_device - set the device state to SDEV_BLOCK
- * @ioc: per adapter object
- * @handle: device handle
- *
- * During device pull we need to appropiately set the sdev state.
- */
-static void
-_scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data)
- continue;
- if (sas_device_priv_data->block)
- continue;
- if (sas_device_priv_data->sas_target->handle == handle) {
- dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
- MPT2SAS_INFO_FMT "SDEV_BLOCK: "
- "handle(0x%04x)\n", ioc->name, handle));
- sas_device_priv_data->block = 1;
- scsi_internal_device_block(sdev);
- }
- }
-}
-
-/**
- * _scsih_block_io_to_children_attached_to_ex
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- *
- * This routine set sdev state to SDEV_BLOCK for all devices
- * attached to this expander. This function called when expander is
- * pulled.
- */
-static void
-_scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- struct _sas_port *mpt2sas_port;
- struct _sas_device *sas_device;
- struct _sas_node *expander_sibling;
- unsigned long flags;
-
- if (!sas_expander)
- return;
-
- list_for_each_entry(mpt2sas_port,
- &sas_expander->sas_port_list, port_list) {
- if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE) {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- mpt2sas_port->remote_identify.sas_address);
- if (sas_device) {
- set_bit(sas_device->handle,
- ioc->blocking_handles);
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- }
- }
-
- list_for_each_entry(mpt2sas_port,
- &sas_expander->sas_port_list, port_list) {
-
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE) {
- expander_sibling =
- mpt2sas_scsih_expander_find_by_sas_address(
- ioc, mpt2sas_port->remote_identify.sas_address);
- _scsih_block_io_to_children_attached_to_ex(ioc,
- expander_sibling);
- }
- }
-}
-
-/**
- * _scsih_block_io_to_children_attached_directly
- * @ioc: per adapter object
- * @event_data: topology change event data
- *
- * This routine set sdev state to SDEV_BLOCK for all devices
- * direct attached during device pull.
- */
-static void
-_scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- int i;
- u16 handle;
- u16 reason_code;
- u8 phy_number;
-
- for (i = 0; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- phy_number = event_data->StartPhyNum + i;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
- _scsih_block_io_device(ioc, handle);
- }
-}
-
-/**
- * _scsih_tm_tr_send - send task management request
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt time.
- *
- * This code is to initiate the device removal handshake protocol
- * with controller firmware. This function will issue target reset
- * using high priority request queue. It will send a sas iounit
- * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
- *
- * This is designed to send muliple task management request at the same
- * time to the fifo. If the fifo is full, we will append the request,
- * and process it in a future completion.
- */
-static void
-_scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- u16 smid;
- struct _sas_device *sas_device = NULL;
- struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
- u64 sas_address = 0;
- unsigned long flags;
- struct _tr_list *delayed_tr;
- u32 ioc_state;
-
- if (ioc->remove_host) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
- "removed: handle(0x%04x)\n", __func__, ioc->name, handle));
- return;
- } else if (ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
- "error recovery: handle(0x%04x)\n", __func__, ioc->name,
- handle));
- return;
- }
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
- "operational: handle(0x%04x)\n", __func__, ioc->name,
- handle));
- return;
- }
-
- /* if PD, then return */
- if (test_bit(handle, ioc->pd_handles))
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device && sas_device->starget &&
- sas_device->starget->hostdata) {
- sas_target_priv_data = sas_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- sas_address = sas_device->sas_address;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_target_priv_data) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle,
- (unsigned long long)sas_address));
- _scsih_ublock_io_device(ioc, sas_address);
- sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
- if (!smid) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- if (!delayed_tr)
- goto out;
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n",
- ioc->name, handle));
- goto out;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
- ioc->tm_tr_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
-out:
- if (sas_device)
- sas_device_put(sas_device);
-}
-
-
-
-/**
- * _scsih_sas_control_complete - completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * This is the sas iounit control completion routine.
- * This code is part of the code to initiate the device removal
- * handshake protocol with controller firmware.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u8 msix_index, u32 reply)
-{
- Mpi2SasIoUnitControlReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (likely(mpi_reply)) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "sc_complete:handle(0x%04x), (open) "
- "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
- le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo)));
- } else {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- }
- return 1;
-}
-
-/**
- * _scsih_tm_tr_volume_send - send target reset request for volumes
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt time.
- *
- * This is designed to send muliple task management request at the same
- * time to the fifo. If the fifo is full, we will append the request,
- * and process it in a future completion.
- */
-static void
-_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SCSITaskManagementRequest_t *mpi_request;
- u16 smid;
- struct _tr_list *delayed_tr;
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
- "progress!\n", __func__, ioc->name));
- return;
- }
-
- smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
- if (!smid) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- if (!delayed_tr)
- return;
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n",
- ioc->name, handle));
- return;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
- ioc->tm_tr_volume_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
- mpi_request->DevHandle = cpu_to_le16(handle);
- mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
- mpt2sas_base_put_smid_hi_priority(ioc, smid);
-}
-
-/**
- * _scsih_tm_volume_tr_complete - target reset completion
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
- u8 msix_index, u32 reply)
-{
- u16 handle;
- Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
- Mpi2SCSITaskManagementReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
-
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
- "progress!\n", __func__, ioc->name));
- return 1;
- }
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return 1;
- }
- mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
- handle = le16_to_cpu(mpi_request_tm->DevHandle);
- if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
- dewtprintk(ioc, printk("spurious interrupt: "
- "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
- le16_to_cpu(mpi_reply->DevHandle), smid));
- return 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
- "loginfo(0x%08x), completed(%d)\n", ioc->name,
- handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
-
- return _scsih_check_for_pending_tm(ioc, smid);
-}
-
-/**
- * _scsih_tm_tr_complete -
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt time.
- *
- * This is the target reset completion routine.
- * This code is part of the code to initiate the device removal
- * handshake protocol with controller firmware.
- * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- u16 handle;
- Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
- Mpi2SCSITaskManagementReply_t *mpi_reply =
- mpt2sas_base_get_reply_virt_addr(ioc, reply);
- Mpi2SasIoUnitControlRequest_t *mpi_request;
- u16 smid_sas_ctrl;
- u32 ioc_state;
-
- if (ioc->remove_host) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been "
- "removed\n", __func__, ioc->name));
- return 1;
- } else if (ioc->pci_error_recovery) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci "
- "error recovery\n", __func__, ioc->name));
- return 1;
- }
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not "
- "operational\n", __func__, ioc->name));
- return 1;
- }
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return 1;
- }
- mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
- handle = le16_to_cpu(mpi_request_tm->DevHandle);
- if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
- "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
- le16_to_cpu(mpi_reply->DevHandle), smid));
- return 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
- "loginfo(0x%08x), completed(%d)\n", ioc->name,
- handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo),
- le32_to_cpu(mpi_reply->TerminationCount)));
-
- smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
- if (!smid_sas_ctrl) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- return 1;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
- "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
- ioc->tm_sas_control_cb_idx));
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
- memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
- mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
- mpi_request->DevHandle = mpi_request_tm->DevHandle;
- mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
-
- return _scsih_check_for_pending_tm(ioc, smid);
-}
-
-/**
- * _scsih_check_for_pending_tm - check for pending task management
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * This will check delayed target reset list, and feed the
- * next reqeust.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- struct _tr_list *delayed_tr;
-
- if (!list_empty(&ioc->delayed_tr_volume_list)) {
- delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
- struct _tr_list, list);
- mpt2sas_base_free_smid(ioc, smid);
- _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- return 0;
- }
-
- if (!list_empty(&ioc->delayed_tr_list)) {
- delayed_tr = list_entry(ioc->delayed_tr_list.next,
- struct _tr_list, list);
- mpt2sas_base_free_smid(ioc, smid);
- _scsih_tm_tr_send(ioc, delayed_tr->handle);
- list_del(&delayed_tr->list);
- kfree(delayed_tr);
- return 0;
- }
-
- return 1;
-}
-
-/**
- * _scsih_check_topo_delete_events - sanity check on topo events
- * @ioc: per adapter object
- * @event_data: the event data payload
- *
- * This routine added to better handle cable breaker.
- *
- * This handles the case where driver receives multiple expander
- * add and delete events in a single shot. When there is a delete event
- * the routine will void any pending add events waiting in the event queue.
- *
- * Return nothing.
- */
-static void
-_scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- struct fw_event_work *fw_event;
- Mpi2EventDataSasTopologyChangeList_t *local_event_data;
- u16 expander_handle;
- struct _sas_node *sas_expander;
- unsigned long flags;
- int i, reason_code;
- u16 handle;
-
- for (i = 0 ; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
- _scsih_tm_tr_send(ioc, handle);
- }
-
- expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
- if (expander_handle < ioc->sas_hba.num_phys) {
- _scsih_block_io_to_children_attached_directly(ioc, event_data);
- return;
- }
- if (event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
- /* put expander attached devices into blocking state */
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
- expander_handle);
- _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- do {
- handle = find_first_bit(ioc->blocking_handles,
- ioc->facts.MaxDevHandle);
- if (handle < ioc->facts.MaxDevHandle)
- _scsih_block_io_device(ioc, handle);
- } while (test_and_clear_bit(handle, ioc->blocking_handles));
- } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
- _scsih_block_io_to_children_attached_directly(ioc, event_data);
-
- if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
- return;
-
- /* mark ignore flag for pending events */
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
- if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
- fw_event->ignore)
- continue;
- local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
- fw_event->event_data;
- if (local_event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_ADDED ||
- local_event_data->ExpStatus ==
- MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
- if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
- expander_handle) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "setting ignoring flag\n", ioc->name));
- fw_event->ignore = 1;
- }
- }
- }
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
-}
-
-/**
- * _scsih_set_volume_delete_flag - setting volume delete flag
- * @ioc: per adapter object
- * @handle: device handle
- *
- * This
- * Return nothing.
- */
-static void
-_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device && raid_device->starget &&
- raid_device->starget->hostdata) {
- sas_target_priv_data =
- raid_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "setting delete flag: handle(0x%04x), "
- "wwid(0x%016llx)\n", ioc->name, handle,
- (unsigned long long) raid_device->wwid));
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
- * @handle: input handle
- * @a: handle for volume a
- * @b: handle for volume b
- *
- * IR firmware only supports two raid volumes. The purpose of this
- * routine is to set the volume handle in either a or b. When the given
- * input handle is non-zero, or when a and b have not been set before.
- */
-static void
-_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
-{
- if (!handle || handle == *a || handle == *b)
- return;
- if (!*a)
- *a = handle;
- else if (!*b)
- *b = handle;
-}
-
-/**
- * _scsih_check_ir_config_unhide_events - check for UNHIDE events
- * @ioc: per adapter object
- * @event_data: the event data payload
- * Context: interrupt time.
- *
- * This routine will send target reset to volume, followed by target
- * resets to the PDs. This is called when a PD has been removed, or
- * volume has been deleted or removed. When the target reset is sent
- * to volume, the PD target resets need to be queued to start upon
- * completion of the volume target reset.
- *
- * Return nothing.
- */
-static void
-_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrConfigChangeList_t *event_data)
-{
- Mpi2EventIrConfigElement_t *element;
- int i;
- u16 handle, volume_handle, a, b;
- struct _tr_list *delayed_tr;
-
- a = 0;
- b = 0;
-
- if (ioc->is_warpdrive)
- return;
-
- /* Volume Resets for Deleted or Removed */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (element->ReasonCode ==
- MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
- element->ReasonCode ==
- MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
- volume_handle = le16_to_cpu(element->VolDevHandle);
- _scsih_set_volume_delete_flag(ioc, volume_handle);
- _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
- }
- }
-
- /* Volume Resets for UNHIDE events */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
- continue;
- if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
- volume_handle = le16_to_cpu(element->VolDevHandle);
- _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
- }
- }
-
- if (a)
- _scsih_tm_tr_volume_send(ioc, a);
- if (b)
- _scsih_tm_tr_volume_send(ioc, b);
-
- /* PD target resets */
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
- if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
- continue;
- handle = le16_to_cpu(element->PhysDiskDevHandle);
- volume_handle = le16_to_cpu(element->VolDevHandle);
- clear_bit(handle, ioc->pd_handles);
- if (!volume_handle)
- _scsih_tm_tr_send(ioc, handle);
- else if (volume_handle == a || volume_handle == b) {
- delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
- BUG_ON(!delayed_tr);
- INIT_LIST_HEAD(&delayed_tr->list);
- delayed_tr->handle = handle;
- list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
- handle));
- } else
- _scsih_tm_tr_send(ioc, handle);
- }
-}
-
-
-/**
- * _scsih_check_volume_delete_events - set delete flag for volumes
- * @ioc: per adapter object
- * @event_data: the event data payload
- * Context: interrupt time.
- *
- * This will handle the case when the cable connected to entire volume is
- * pulled. We will take care of setting the deleted flag so normal IO will
- * not be sent.
- *
- * Return nothing.
- */
-static void
-_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrVolume_t *event_data)
-{
- u32 state;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
- return;
- state = le32_to_cpu(event_data->NewValue);
- if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
- MPI2_RAID_VOL_STATE_FAILED)
- _scsih_set_volume_delete_flag(ioc,
- le16_to_cpu(event_data->VolDevHandle));
-}
-
-/**
- * _scsih_temp_threshold_events - display temperature threshold exceeded events
- * @ioc: per adapter object
- * @event_data: the temp threshold event data
- * Context: interrupt time.
- *
- * Return nothing.
- */
-static void
-_scsih_temp_threshold_events(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataTemperature_t *event_data)
-{
- if (ioc->temp_sensors_count >= event_data->SensorNum) {
- printk(MPT2SAS_ERR_FMT "Temperature Threshold flags %s%s%s%s"
- " exceeded for Sensor: %d !!!\n", ioc->name,
- ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
- ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
- event_data->SensorNum);
- printk(MPT2SAS_ERR_FMT "Current Temp In Celsius: %d\n",
- ioc->name, event_data->CurrentTemperature);
- }
-}
-
-/**
- * _scsih_flush_running_cmds - completing outstanding commands.
- * @ioc: per adapter object
- *
- * The flushing out of all pending scmd commands following host reset,
- * where all IO is dropped to the floor.
- *
- * Return nothing.
- */
-static void
-_scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
-{
- struct scsi_cmnd *scmd;
- u16 smid;
- u16 count = 0;
-
- for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
- scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
- if (!scmd)
- continue;
- count++;
- mpt2sas_base_free_smid(ioc, smid);
- scsi_dma_unmap(scmd);
- if (ioc->pci_error_recovery)
- scmd->result = DID_NO_CONNECT << 16;
- else
- scmd->result = DID_RESET << 16;
- scmd->scsi_done(scmd);
- }
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
- ioc->name, count));
-}
-
-/**
- * _scsih_setup_eedp - setup MPI request for EEDP transfer
- * @scmd: pointer to scsi command object
- * @mpi_request: pointer to the SCSI_IO reqest message frame
- *
- * Supporting protection 1 and 3.
- *
- * Returns nothing
- */
-static void
-_scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
-{
- u16 eedp_flags;
- unsigned char prot_op = scsi_get_prot_op(scmd);
- unsigned char prot_type = scsi_get_prot_type(scmd);
-
- if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
- return;
-
- if (prot_op == SCSI_PROT_READ_STRIP)
- eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
- else if (prot_op == SCSI_PROT_WRITE_INSERT)
- eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
- else
- return;
-
- switch (prot_type) {
- case SCSI_PROT_DIF_TYPE1:
- case SCSI_PROT_DIF_TYPE2:
-
- /*
- * enable ref/guard checking
- * auto increment ref tag
- */
- eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
- mpi_request->CDB.EEDP32.PrimaryReferenceTag =
- cpu_to_be32(scsi_get_lba(scmd));
- break;
-
- case SCSI_PROT_DIF_TYPE3:
-
- /*
- * enable guard checking
- */
- eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
- break;
- }
- mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
- mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
-}
-
-/**
- * _scsih_eedp_error_handling - return sense code for EEDP errors
- * @scmd: pointer to scsi command object
- * @ioc_status: ioc status
- *
- * Returns nothing
- */
-static void
-_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
-{
- u8 ascq;
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- ascq = 0x01;
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- ascq = 0x02;
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- ascq = 0x03;
- break;
- default:
- ascq = 0x00;
- break;
- }
-
- scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq);
- scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
- SAM_STAT_CHECK_CONDITION;
-}
-
-/**
- * _scsih_scsi_direct_io_get - returns direct io flag
- * @ioc: per adapter object
- * @smid: system request message index
- *
- * Returns the smid stored scmd pointer.
- */
-static inline u8
-_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
-{
- return ioc->scsi_lookup[smid - 1].direct_io;
-}
-
-/**
- * _scsih_scsi_direct_io_set - sets direct io flag
- * @ioc: per adapter object
- * @smid: system request message index
- * @direct_io: Zero or non-zero value to set in the direct_io flag
- *
- * Returns Nothing.
- */
-static inline void
-_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io)
-{
- ioc->scsi_lookup[smid - 1].direct_io = direct_io;
-}
-
-
-/**
- * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
- * @ioc: per adapter object
- * @scmd: pointer to scsi command object
- * @raid_device: pointer to raid device data structure
- * @mpi_request: pointer to the SCSI_IO reqest message frame
- * @smid: system request message index
- *
- * Returns nothing
- */
-static void
-_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
- struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
- u16 smid)
-{
- sector_t v_lba, p_lba, stripe_off, column, io_size;
- u32 stripe_sz, stripe_exp;
- u8 num_pds, cmd = scmd->cmnd[0];
-
- if (cmd != READ_10 && cmd != WRITE_10 &&
- cmd != READ_16 && cmd != WRITE_16)
- return;
-
- if (cmd == READ_10 || cmd == WRITE_10)
- v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]);
- else
- v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]);
-
- io_size = scsi_bufflen(scmd) >> raid_device->block_exponent;
-
- if (v_lba + io_size - 1 > raid_device->max_lba)
- return;
-
- stripe_sz = raid_device->stripe_sz;
- stripe_exp = raid_device->stripe_exponent;
- stripe_off = v_lba & (stripe_sz - 1);
-
- /* Return unless IO falls within a stripe */
- if (stripe_off + io_size > stripe_sz)
- return;
-
- num_pds = raid_device->num_pds;
- p_lba = v_lba >> stripe_exp;
- column = sector_div(p_lba, num_pds);
- p_lba = (p_lba << stripe_exp) + stripe_off;
-
- mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]);
-
- if (cmd == READ_10 || cmd == WRITE_10)
- put_unaligned_be32(lower_32_bits(p_lba),
- &mpi_request->CDB.CDB32[2]);
- else
- put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]);
-
- _scsih_scsi_direct_io_set(ioc, smid, 1);
-}
-
-/**
- * _scsih_qcmd - main scsi request entry point
- * @scmd: pointer to scsi command object
- * @done: function pointer to be invoked on completion
- *
- * The callback index is set inside `ioc->scsi_io_cb_idx`.
- *
- * Returns 0 on success. If there's a failure, return either:
- * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
- * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
- */
-static int
-_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct _raid_device *raid_device;
- Mpi2SCSIIORequest_t *mpi_request;
- u32 mpi_control;
- u16 smid;
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- if (ioc->pci_error_recovery || ioc->remove_host) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- sas_target_priv_data = sas_device_priv_data->sas_target;
- /* invalid device handle */
- if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- /* host recovery or link resets sent via IOCTLs */
- if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
- return SCSI_MLQUEUE_HOST_BUSY;
- /* device busy with task management */
- else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
- return SCSI_MLQUEUE_DEVICE_BUSY;
- /* device has been deleted */
- else if (sas_target_priv_data->deleted) {
- scmd->result = DID_NO_CONNECT << 16;
- scmd->scsi_done(scmd);
- return 0;
- }
-
- if (scmd->sc_data_direction == DMA_FROM_DEVICE)
- mpi_control = MPI2_SCSIIO_CONTROL_READ;
- else if (scmd->sc_data_direction == DMA_TO_DEVICE)
- mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
- else
- mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
-
- /* set tags */
- mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
-
- /* Make sure Device is not raid volume.
- * We do not expose raid functionality to upper layer for warpdrive.
- */
- if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
- sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
- mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
-
- smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- goto out;
- }
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
- _scsih_setup_eedp(scmd, mpi_request);
- if (scmd->cmd_len == 32)
- mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
- mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT)
- mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
- else
- mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- mpi_request->DevHandle =
- cpu_to_le16(sas_device_priv_data->sas_target->handle);
- mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
- mpi_request->Control = cpu_to_le32(mpi_control);
- mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
- mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
- mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
- mpi_request->SenseBufferLowAddress =
- mpt2sas_base_get_sense_buffer_dma(ioc, smid);
- mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
- mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
- MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
- mpi_request->LUN);
- memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
-
- if (!mpi_request->DataLength) {
- mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
- } else {
- if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
- }
-
- raid_device = sas_target_priv_data->raid_device;
- if (raid_device && raid_device->direct_io_enabled)
- _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request,
- smid);
-
- if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
- mpt2sas_base_put_smid_scsi_io(ioc, smid,
- le16_to_cpu(mpi_request->DevHandle));
- else
- mpt2sas_base_put_smid_default(ioc, smid);
- return 0;
-
- out:
- return SCSI_MLQUEUE_HOST_BUSY;
-}
-
-/**
- * _scsih_normalize_sense - normalize descriptor and fixed format sense data
- * @sense_buffer: sense data returned by target
- * @data: normalized skey/asc/ascq
- *
- * Return nothing.
- */
-static void
-_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
-{
- if ((sense_buffer[0] & 0x7F) >= 0x72) {
- /* descriptor format */
- data->skey = sense_buffer[1] & 0x0F;
- data->asc = sense_buffer[2];
- data->ascq = sense_buffer[3];
- } else {
- /* fixed format */
- data->skey = sense_buffer[2] & 0x0F;
- data->asc = sense_buffer[12];
- data->ascq = sense_buffer[13];
- }
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
- * @ioc: per adapter object
- * @scmd: pointer to scsi command object
- * @mpi_reply: reply mf payload returned from firmware
- *
- * scsi_status - SCSI Status code returned from target device
- * scsi_state - state info associated with SCSI_IO determined by ioc
- * ioc_status - ioc supplied status info
- *
- * Return nothing.
- */
-static void
-_scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
- Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
-{
- u32 response_info;
- u8 *response_bytes;
- u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- u8 scsi_state = mpi_reply->SCSIState;
- u8 scsi_status = mpi_reply->SCSIStatus;
- char *desc_ioc_state = NULL;
- char *desc_scsi_status = NULL;
- char *desc_scsi_state = ioc->tmp_string;
- u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
- struct _sas_device *sas_device = NULL;
- struct scsi_target *starget = scmd->device->sdev_target;
- struct MPT2SAS_TARGET *priv_target = starget->hostdata;
- char *device_str = NULL;
-
- if (!priv_target)
- return;
-
- if (ioc->hide_ir_msg)
- device_str = "WarpDrive";
- else
- device_str = "volume";
-
- if (log_info == 0x31170000)
- return;
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_SUCCESS:
- desc_ioc_state = "success";
- break;
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- desc_ioc_state = "invalid function";
- break;
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- desc_ioc_state = "scsi recovered error";
- break;
- case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
- desc_ioc_state = "scsi invalid dev handle";
- break;
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- desc_ioc_state = "scsi device not there";
- break;
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- desc_ioc_state = "scsi data overrun";
- break;
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- desc_ioc_state = "scsi data underrun";
- break;
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- desc_ioc_state = "scsi io data error";
- break;
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- desc_ioc_state = "scsi protocol error";
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- desc_ioc_state = "scsi task terminated";
- break;
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- desc_ioc_state = "scsi residual mismatch";
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- desc_ioc_state = "scsi task mgmt failed";
- break;
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- desc_ioc_state = "scsi ioc terminated";
- break;
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- desc_ioc_state = "scsi ext terminated";
- break;
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- desc_ioc_state = "eedp guard error";
- break;
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- desc_ioc_state = "eedp ref tag error";
- break;
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- desc_ioc_state = "eedp app tag error";
- break;
- default:
- desc_ioc_state = "unknown";
- break;
- }
-
- switch (scsi_status) {
- case MPI2_SCSI_STATUS_GOOD:
- desc_scsi_status = "good";
- break;
- case MPI2_SCSI_STATUS_CHECK_CONDITION:
- desc_scsi_status = "check condition";
- break;
- case MPI2_SCSI_STATUS_CONDITION_MET:
- desc_scsi_status = "condition met";
- break;
- case MPI2_SCSI_STATUS_BUSY:
- desc_scsi_status = "busy";
- break;
- case MPI2_SCSI_STATUS_INTERMEDIATE:
- desc_scsi_status = "intermediate";
- break;
- case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
- desc_scsi_status = "intermediate condmet";
- break;
- case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
- desc_scsi_status = "reservation conflict";
- break;
- case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
- desc_scsi_status = "command terminated";
- break;
- case MPI2_SCSI_STATUS_TASK_SET_FULL:
- desc_scsi_status = "task set full";
- break;
- case MPI2_SCSI_STATUS_ACA_ACTIVE:
- desc_scsi_status = "aca active";
- break;
- case MPI2_SCSI_STATUS_TASK_ABORTED:
- desc_scsi_status = "task aborted";
- break;
- default:
- desc_scsi_status = "unknown";
- break;
- }
-
- desc_scsi_state[0] = '\0';
- if (!scsi_state)
- desc_scsi_state = " ";
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
- strcat(desc_scsi_state, "response info ");
- if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- strcat(desc_scsi_state, "state terminated ");
- if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
- strcat(desc_scsi_state, "no status ");
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
- strcat(desc_scsi_state, "autosense failed ");
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
- strcat(desc_scsi_state, "autosense valid ");
-
- scsi_print_command(scmd);
-
- if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
- printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
- device_str, (unsigned long long)priv_target->sas_address);
- } else {
- sas_device = mpt2sas_get_sdev_from_target(ioc, priv_target);
- if (sas_device) {
- printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
- "phy(%d)\n", ioc->name, sas_device->sas_address,
- sas_device->phy);
- printk(MPT2SAS_WARN_FMT
- "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
- ioc->name, sas_device->enclosure_logical_id,
- sas_device->slot);
-
- sas_device_put(sas_device);
- }
- }
-
- printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
- "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
- desc_ioc_state, ioc_status, smid);
- printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
- "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
- scsi_get_resid(scmd));
- printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
- "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
- le32_to_cpu(mpi_reply->TransferCount), scmd->result);
- printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
- "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
- scsi_status, desc_scsi_state, scsi_state);
-
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
- struct sense_info data;
- _scsih_normalize_sense(scmd->sense_buffer, &data);
- printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
- "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
- data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
- }
-
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
- response_info = le32_to_cpu(mpi_reply->ResponseInfo);
- response_bytes = (u8 *)&response_info;
- _scsih_response_code(ioc, response_bytes[0]);
- }
-}
-#endif
-
-/**
- * _scsih_turn_on_pfa_led - illuminate PFA LED
- * @ioc: per adapter object
- * @handle: device handle
- * Context: process
- *
- * Return nothing.
- */
-static void
-_scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2SepReply_t mpi_reply;
- Mpi2SepRequest_t mpi_request;
- struct _sas_device *sas_device;
-
- sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
- if (!sas_device)
- return;
-
- memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
- mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
- mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
- mpi_request.SlotStatus =
- cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
- mpi_request.DevHandle = cpu_to_le16(handle);
- mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
- if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
- &mpi_request)) != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- goto out;
- }
- sas_device->pfa_led_on = 1;
-
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo)));
- goto out;
- }
-out:
- sas_device_put(sas_device);
-}
-
-/**
- * _scsih_turn_off_pfa_led - turn off PFA LED
- * @ioc: per adapter object
- * @sas_device: sas device whose PFA LED has to turned off
- * Context: process
- *
- * Return nothing.
- */
-static void
-_scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- Mpi2SepReply_t mpi_reply;
- Mpi2SepRequest_t mpi_request;
-
- memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
- mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
- mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
- mpi_request.SlotStatus = 0;
- mpi_request.Slot = cpu_to_le16(sas_device->slot);
- mpi_request.DevHandle = 0;
- mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
- mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
- if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
- &mpi_request)) != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: "
- "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name,
- le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo)));
- return;
- }
-}
-
-/**
- * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt.
- *
- * Return nothing.
- */
-static void
-_scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct fw_event_work *fw_event;
-
- fw_event = alloc_fw_event_work(0);
- if (!fw_event)
- return;
- fw_event->event = MPT2SAS_TURN_ON_PFA_LED;
- fw_event->device_handle = handle;
- fw_event->ioc = ioc;
- _scsih_fw_event_add(ioc, fw_event);
- fw_event_work_put(fw_event);
-}
-
-/**
- * _scsih_smart_predicted_fault - process smart errors
- * @ioc: per adapter object
- * @handle: device handle
- * Context: interrupt.
- *
- * Return nothing.
- */
-static void
-_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct scsi_target *starget;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- Mpi2EventNotificationReply_t *event_reply;
- Mpi2EventDataSasDeviceStatusChange_t *event_data;
- struct _sas_device *sas_device;
- ssize_t sz;
- unsigned long flags;
-
- /* only handle non-raid devices */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- if (!sas_device) {
- goto out_unlock;
- }
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
-
- if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
- ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
- goto out_unlock;
-
- starget_printk(KERN_WARNING, starget, "predicted fault\n");
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
- _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
-
- /* insert into event log */
- sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
- sizeof(Mpi2EventDataSasDeviceStatusChange_t);
- event_reply = kzalloc(sz, GFP_ATOMIC);
- if (!event_reply) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
- event_reply->Event =
- cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
- event_reply->MsgLength = sz/4;
- event_reply->EventDataLength =
- cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
- event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
- event_reply->EventData;
- event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
- event_data->ASC = 0x5D;
- event_data->DevHandle = cpu_to_le16(handle);
- event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
- mpt2sas_ctl_add_to_event_log(ioc, event_reply);
- kfree(event_reply);
-out:
- if (sas_device)
- sas_device_put(sas_device);
- return;
-
-out_unlock:
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- goto out;
-}
-
-/**
- * _scsih_io_done - scsi request callback
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Callback handler when using _scsih_qcmd.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- Mpi2SCSIIORequest_t *mpi_request;
- Mpi2SCSIIOReply_t *mpi_reply;
- struct scsi_cmnd *scmd;
- u16 ioc_status;
- u32 xfer_cnt;
- u8 scsi_state;
- u8 scsi_status;
- u32 log_info;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u32 response_code = 0;
- unsigned long flags;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
- if (scmd == NULL)
- return 1;
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
-
- if (mpi_reply == NULL) {
- scmd->result = DID_OK << 16;
- goto out;
- }
-
- sas_device_priv_data = scmd->device->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
- sas_device_priv_data->sas_target->deleted) {
- scmd->result = DID_NO_CONNECT << 16;
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
- /*
- * WARPDRIVE: If direct_io is set then it is directIO,
- * the failed direct I/O should be redirected to volume
- */
- if (_scsih_scsi_direct_io_get(ioc, smid) &&
- ((ioc_status & MPI2_IOCSTATUS_MASK)
- != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- ioc->scsi_lookup[smid - 1].scmd = scmd;
- _scsih_scsi_direct_io_set(ioc, smid, 0);
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
- mpi_request->DevHandle =
- cpu_to_le16(sas_device_priv_data->sas_target->handle);
- mpt2sas_base_put_smid_scsi_io(ioc, smid,
- sas_device_priv_data->sas_target->handle);
- return 0;
- }
-
-
- /* turning off TLR */
- scsi_state = mpi_reply->SCSIState;
- if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
- response_code =
- le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
- if (!sas_device_priv_data->tlr_snoop_check) {
- sas_device_priv_data->tlr_snoop_check++;
- /* Make sure Device is not raid volume.
- * We do not expose raid functionality to upper layer for warpdrive.
- */
- if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) &&
- sas_is_tlr_enabled(scmd->device) &&
- response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
- sas_disable_tlr(scmd->device);
- sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
- }
- }
-
- xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
- scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
- if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
- log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
- else
- log_info = 0;
- ioc_status &= MPI2_IOCSTATUS_MASK;
- scsi_status = mpi_reply->SCSIStatus;
-
- if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
- (scsi_status == MPI2_SCSI_STATUS_BUSY ||
- scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
- scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
- ioc_status = MPI2_IOCSTATUS_SUCCESS;
- }
-
- if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
- struct sense_info data;
- const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
- smid);
- u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
- le32_to_cpu(mpi_reply->SenseCount));
- memcpy(scmd->sense_buffer, sense_data, sz);
- _scsih_normalize_sense(scmd->sense_buffer, &data);
- /* failure prediction threshold exceeded */
- if (data.asc == 0x5D)
- _scsih_smart_predicted_fault(ioc,
- le16_to_cpu(mpi_reply->DevHandle));
- }
-
- switch (ioc_status) {
- case MPI2_IOCSTATUS_BUSY:
- case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
- scmd->result = SAM_STAT_BUSY;
- break;
-
- case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
- scmd->result = DID_NO_CONNECT << 16;
- break;
-
- case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
- if (sas_device_priv_data->block) {
- scmd->result = DID_TRANSPORT_DISRUPTED << 16;
- goto out;
- }
- if (log_info == 0x32010081) {
- scmd->result = DID_RESET << 16;
- break;
- }
- scmd->result = DID_SOFT_ERROR << 16;
- break;
- case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
- case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
- scmd->result = DID_RESET << 16;
- break;
-
- case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
- if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
- scmd->result = DID_SOFT_ERROR << 16;
- else
- scmd->result = (DID_OK << 16) | scsi_status;
- break;
-
- case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
- scmd->result = (DID_OK << 16) | scsi_status;
-
- if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
- break;
-
- if (xfer_cnt < scmd->underflow) {
- if (scsi_status == SAM_STAT_BUSY)
- scmd->result = SAM_STAT_BUSY;
- else
- scmd->result = DID_SOFT_ERROR << 16;
- } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
- MPI2_SCSI_STATE_NO_SCSI_STATUS))
- scmd->result = DID_SOFT_ERROR << 16;
- else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- scmd->result = DID_RESET << 16;
- else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
- mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
- mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
- scmd->result = (DRIVER_SENSE << 24) |
- SAM_STAT_CHECK_CONDITION;
- scmd->sense_buffer[0] = 0x70;
- scmd->sense_buffer[2] = ILLEGAL_REQUEST;
- scmd->sense_buffer[12] = 0x20;
- scmd->sense_buffer[13] = 0;
- }
- break;
-
- case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
- scsi_set_resid(scmd, 0);
- case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
- case MPI2_IOCSTATUS_SUCCESS:
- scmd->result = (DID_OK << 16) | scsi_status;
- if (response_code ==
- MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
- (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
- MPI2_SCSI_STATE_NO_SCSI_STATUS)))
- scmd->result = DID_SOFT_ERROR << 16;
- else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
- scmd->result = DID_RESET << 16;
- break;
-
- case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
- case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
- case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
- _scsih_eedp_error_handling(scmd, ioc_status);
- break;
- case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
- case MPI2_IOCSTATUS_INVALID_FUNCTION:
- case MPI2_IOCSTATUS_INVALID_SGL:
- case MPI2_IOCSTATUS_INTERNAL_ERROR:
- case MPI2_IOCSTATUS_INVALID_FIELD:
- case MPI2_IOCSTATUS_INVALID_STATE:
- case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
- case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
- default:
- scmd->result = DID_SOFT_ERROR << 16;
- break;
-
- }
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
- _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
-#endif
-
- out:
- scsi_dma_unmap(scmd);
- scmd->scsi_done(scmd);
- return 1;
-}
-
-/**
- * _scsih_sas_host_refresh - refreshing sas host object contents
- * @ioc: per adapter object
- * Context: user
- *
- * During port enable, fw will send topology events for every device. Its
- * possible that the handles may change from the previous setting, so this
- * code keeping handles updating if changed.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
-{
- u16 sz;
- u16 ioc_status;
- int i;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
- u16 attached_handle;
- u8 link_rate;
-
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
- "updating handles for sas_host(0x%016llx)\n",
- ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
-
- sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
- * sizeof(Mpi2SasIOUnit0PhyData_t));
- sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
- sas_iounit_pg0, sz)) != 0)
- goto out;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- goto out;
- for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
- link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
- if (i == 0)
- ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
- PhyData[0].ControllerDevHandle);
- ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
- attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
- AttachedDevHandle);
- if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
- link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
- mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
- attached_handle, i, link_rate);
- }
- out:
- kfree(sas_iounit_pg0);
-}
-
-/**
- * _scsih_sas_host_add - create sas host object
- * @ioc: per adapter object
- *
- * Creating host side data object, stored in ioc->sas_hba
- *
- * Return nothing.
- */
-static void
-_scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
-{
- int i;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2SasPhyPage0_t phy_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- u16 ioc_status;
- u16 sz;
- u16 device_missing_delay;
-
- mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
- if (!ioc->sas_hba.num_phys) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- /* sas_iounit page 0 */
- sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit0PhyData_t));
- sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
- if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
- sas_iounit_pg0, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- /* sas_iounit page 1 */
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- ioc->io_missing_delay =
- le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
- device_missing_delay =
- le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
- if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
- ioc->device_missing_delay = (device_missing_delay &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
- else
- ioc->device_missing_delay = device_missing_delay &
- MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
-
- ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
- ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
- sizeof(struct _sas_phy), GFP_KERNEL);
- if (!ioc->sas_hba.phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
- if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
- i))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
-
- if (i == 0)
- ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
- PhyData[0].ControllerDevHandle);
- ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
- ioc->sas_hba.phy[i].phy_id = i;
- mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
- phy_pg0, ioc->sas_hba.parent_dev);
- }
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out;
- }
- ioc->sas_hba.enclosure_handle =
- le16_to_cpu(sas_device_pg0.EnclosureHandle);
- ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
- "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
- (unsigned long long) ioc->sas_hba.sas_address,
- ioc->sas_hba.num_phys) ;
-
- if (ioc->sas_hba.enclosure_handle) {
- if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
- &enclosure_pg0,
- MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- ioc->sas_hba.enclosure_handle))) {
- ioc->sas_hba.enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
- }
- }
-
- out:
- kfree(sas_iounit_pg1);
- kfree(sas_iounit_pg0);
-}
-
-/**
- * _scsih_expander_add - creating expander object
- * @ioc: per adapter object
- * @handle: expander handle
- *
- * Creating expander object, stored in ioc->sas_expander_list.
- *
- * Return 0 for success, else error.
- */
-static int
-_scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_node *sas_expander;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2ExpanderPage1_t expander_pg1;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- u32 ioc_status;
- u16 parent_handle;
- u64 sas_address, sas_address_parent = 0;
- int i;
- unsigned long flags;
- struct _sas_port *mpt2sas_port = NULL;
- int rc = 0;
-
- if (!handle)
- return -1;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery)
- return -1;
-
- if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- /* handle out of order topology events */
- parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
- if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
- != 0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- if (sas_address_parent != ioc->sas_hba.sas_address) {
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address_parent);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (!sas_expander) {
- rc = _scsih_expander_add(ioc, parent_handle);
- if (rc != 0)
- return rc;
- }
- }
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_address = le64_to_cpu(expander_pg0.SASAddress);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- if (sas_expander)
- return 0;
-
- sas_expander = kzalloc(sizeof(struct _sas_node),
- GFP_KERNEL);
- if (!sas_expander) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_expander->handle = handle;
- sas_expander->num_phys = expander_pg0.NumPhys;
- sas_expander->sas_address_parent = sas_address_parent;
- sas_expander->sas_address = sas_address;
-
- printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
- " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
- handle, parent_handle, (unsigned long long)
- sas_expander->sas_address, sas_expander->num_phys);
-
- if (!sas_expander->num_phys)
- goto out_fail;
- sas_expander->phy = kcalloc(sas_expander->num_phys,
- sizeof(struct _sas_phy), GFP_KERNEL);
- if (!sas_expander->phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
-
- INIT_LIST_HEAD(&sas_expander->sas_port_list);
- mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
- sas_address_parent);
- if (!mpt2sas_port) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
-
- for (i = 0 ; i < sas_expander->num_phys ; i++) {
- if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
- &expander_pg1, i, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- sas_expander->phy[i].handle = handle;
- sas_expander->phy[i].phy_id = i;
-
- if ((mpt2sas_transport_add_expander_phy(ioc,
- &sas_expander->phy[i], expander_pg1,
- sas_expander->parent_dev))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -1;
- goto out_fail;
- }
- }
-
- if (sas_expander->enclosure_handle) {
- if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
- &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- sas_expander->enclosure_handle))) {
- sas_expander->enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
- }
- }
-
- _scsih_expander_node_add(ioc, sas_expander);
- return 0;
-
- out_fail:
-
- if (mpt2sas_port)
- mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
- sas_address_parent);
- kfree(sas_expander);
- return rc;
-}
-
-/**
- * _scsih_done - scsih callback handler.
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Callback handler when sending internal generated message frames.
- * The callback index passed is `ioc->scsih_cb_idx`
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-static u8
-_scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->scsih_cmds.smid != smid)
- return 1;
- ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
- if (mpi_reply) {
- memcpy(ioc->scsih_cmds.reply, mpi_reply,
- mpi_reply->MsgLength*4);
- ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
- }
- ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->scsih_cmds.done);
- return 1;
-}
-
-/**
- * mpt2sas_expander_remove - removing expander object
- * @ioc: per adapter object
- * @sas_address: expander sas_address
- *
- * Return nothing.
- */
-void
-mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
-{
- struct _sas_node *sas_expander;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address);
- if (sas_expander)
- list_del(&sas_expander->list);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (sas_expander)
- _scsih_expander_node_remove(ioc, sas_expander);
-}
-
-/**
- * _scsih_check_access_status - check access flags
- * @ioc: per adapter object
- * @sas_address: sas address
- * @handle: sas device handle
- * @access_flags: errors returned during discovery of the device
- *
- * Return 0 for success, else failure
- */
-static u8
-_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 handle, u8 access_status)
-{
- u8 rc = 1;
- char *desc = NULL;
-
- switch (access_status) {
- case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
- rc = 0;
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
- desc = "sata capability failed";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
- desc = "sata affiliation conflict";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
- desc = "route not addressable";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
- desc = "smp error not addressable";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
- desc = "device blocked";
- break;
- case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
- case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
- desc = "sata initialization failed";
- break;
- default:
- desc = "unknown";
- break;
- }
-
- if (!rc)
- return 0;
-
- printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
- "handle(0x%04x)\n", ioc->name, desc,
- (unsigned long long)sas_address, handle);
- return rc;
-}
-
-static void
-_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- struct _sas_device *sas_device;
- u32 ioc_status;
- unsigned long flags;
- u64 sas_address;
- struct scsi_target *starget;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- u32 device_info;
-
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
- return;
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- return;
-
- /* check if this is end device */
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info)))
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- sas_address);
-
- if (!sas_device) {
- printk(MPT2SAS_ERR_FMT "device is not present "
- "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
- goto out_unlock;
- }
-
- if (unlikely(sas_device->handle != handle)) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
- " to (0x%04x)!!!\n", sas_device->handle, handle);
- sas_target_priv_data->handle = handle;
- sas_device->handle = handle;
- }
-
- /* check if device is present */
- if (!(le16_to_cpu(sas_device_pg0.Flags) &
- MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
- printk(MPT2SAS_ERR_FMT "device is not present "
- "handle(0x%04x), flags!!!\n", ioc->name, handle);
- goto out_unlock;
- }
-
- /* check if there were any issues with discovery */
- if (_scsih_check_access_status(ioc, sas_address, handle,
- sas_device_pg0.AccessStatus))
- goto out_unlock;
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- _scsih_ublock_io_device(ioc, sas_address);
- if (sas_device)
- sas_device_put(sas_device);
- return;
-
-out_unlock:
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (sas_device)
- sas_device_put(sas_device);
-}
-
-/**
- * _scsih_add_device - creating sas device object
- * @ioc: per adapter object
- * @handle: sas device handle
- * @phy_num: phy number end device attached to
- * @is_pd: is this hidden raid component
- *
- * Creating end device object, stored in ioc->sas_device_list.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
-{
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2SasEnclosurePage0_t enclosure_pg0;
- struct _sas_device *sas_device;
- u32 ioc_status;
- __le64 sas_address;
- u32 device_info;
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
-
- /* check if device is present */
- if (!(le16_to_cpu(sas_device_pg0.Flags) &
- MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
- ioc->name, le16_to_cpu(sas_device_pg0.Flags));
- return -1;
- }
-
- /* check if there were any issues with discovery */
- if (_scsih_check_access_status(ioc, sas_address, handle,
- sas_device_pg0.AccessStatus))
- return -1;
-
- /* check if this is end device */
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- sas_device = mpt2sas_get_sdev_by_addr(ioc,
- sas_address);
-
- if (sas_device) {
- sas_device_put(sas_device);
- return 0;
- }
-
- sas_device = kzalloc(sizeof(struct _sas_device),
- GFP_KERNEL);
- if (!sas_device) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
-
- kref_init(&sas_device->refcount);
- sas_device->handle = handle;
- if (_scsih_get_sas_address(ioc, le16_to_cpu
- (sas_device_pg0.ParentDevHandle),
- &sas_device->sas_address_parent) != 0)
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- sas_device->enclosure_handle =
- le16_to_cpu(sas_device_pg0.EnclosureHandle);
- sas_device->slot =
- le16_to_cpu(sas_device_pg0.Slot);
- sas_device->device_info = device_info;
- sas_device->sas_address = sas_address;
- sas_device->phy = sas_device_pg0.PhyNum;
-
- /* get enclosure_logical_id */
- if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
- ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
- sas_device->enclosure_handle)))
- sas_device->enclosure_logical_id =
- le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
-
- /* get device name */
- sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
-
- if (ioc->wait_for_discovery_to_complete)
- _scsih_sas_device_init_add(ioc, sas_device);
- else
- _scsih_sas_device_add(ioc, sas_device);
-
- sas_device_put(sas_device);
- return 0;
-}
-
-/**
- * _scsih_remove_device - removing sas device object
- * @ioc: per adapter object
- * @sas_device_delete: the sas_device object
- *
- * Return nothing.
- */
-static void
-_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
-
- if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
- (sas_device->pfa_led_on)) {
- _scsih_turn_off_pfa_led(ioc, sas_device);
- sas_device->pfa_led_on = 0;
- }
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)
- sas_device->sas_address));
-
- if (sas_device->starget && sas_device->starget->hostdata) {
- sas_target_priv_data = sas_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- _scsih_ublock_io_device(ioc, sas_device->sas_address);
- sas_target_priv_data->handle =
- MPT2SAS_INVALID_DEVICE_HANDLE;
- }
-
- if (!ioc->hide_drives)
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
-
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
- "(0x%016llx)\n", ioc->name, sas_device->handle,
- (unsigned long long) sas_device->sas_address);
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
- "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
- sas_device->handle, (unsigned long long)
- sas_device->sas_address));
-}
-/**
- * _scsih_device_remove_by_handle - removing device object by handle
- * @ioc: per adapter object
- * @handle: device handle
- *
- * Return nothing.
- */
-static void
-_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- list_del_init(&sas_device->list);
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_device) {
- _scsih_remove_device(ioc, sas_device);
- sas_device_put(sas_device);
- }
-}
-
-/**
- * mpt2sas_device_remove_by_sas_address - removing device object by sas address
- * @ioc: per adapter object
- * @sas_address: device sas_address
- *
- * Return nothing.
- */
-void
-mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- struct _sas_device *sas_device;
- unsigned long flags;
-
- if (ioc->shost_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc, sas_address);
- if (sas_device) {
- list_del_init(&sas_device->list);
- sas_device_put(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (sas_device) {
- _scsih_remove_device(ioc, sas_device);
- sas_device_put(sas_device);
- }
-}
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_topology_change_event_debug - debug for topology event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- */
-static void
-_scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasTopologyChangeList_t *event_data)
-{
- int i;
- u16 handle;
- u16 reason_code;
- u8 phy_number;
- char *status_str = NULL;
- u8 link_rate, prev_link_rate;
-
- switch (event_data->ExpStatus) {
- case MPI2_EVENT_SAS_TOPO_ES_ADDED:
- status_str = "add";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
- status_str = "remove";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
- case 0:
- status_str = "responding";
- break;
- case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
- status_str = "remove delay";
- break;
- default:
- status_str = "unknown status";
- break;
- }
- printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
- ioc->name, status_str);
- printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
- "start_phy(%02d), count(%d)\n",
- le16_to_cpu(event_data->ExpanderDevHandle),
- le16_to_cpu(event_data->EnclosureHandle),
- event_data->StartPhyNum, event_data->NumEntries);
- for (i = 0; i < event_data->NumEntries; i++) {
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- phy_number = event_data->StartPhyNum + i;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- switch (reason_code) {
- case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
- status_str = "target add";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
- status_str = "target remove";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
- status_str = "delay target remove";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
- status_str = "link rate change";
- break;
- case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
- status_str = "target responding";
- break;
- default:
- status_str = "unknown";
- break;
- }
- link_rate = event_data->PHY[i].LinkRate >> 4;
- prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
- printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
- " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
- handle, status_str, link_rate, prev_link_rate);
-
- }
-}
-#endif
-
-/**
- * _scsih_sas_topology_change_event - handle topology changes
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- */
-static void
-_scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- int i;
- u16 parent_handle, handle;
- u16 reason_code;
- u8 phy_number, max_phys;
- struct _sas_node *sas_expander;
- u64 sas_address;
- unsigned long flags;
- u8 link_rate, prev_link_rate;
- Mpi2EventDataSasTopologyChangeList_t *event_data =
- (Mpi2EventDataSasTopologyChangeList_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_topology_change_event_debug(ioc, event_data);
-#endif
-
- if (ioc->remove_host || ioc->pci_error_recovery)
- return;
-
- if (!ioc->sas_hba.num_phys)
- _scsih_sas_host_add(ioc);
- else
- _scsih_sas_host_refresh(ioc);
-
- if (fw_event->ignore) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
- "event\n", ioc->name));
- return;
- }
-
- parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
-
- /* handle expander add */
- if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
- if (_scsih_expander_add(ioc, parent_handle) != 0)
- return;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
- parent_handle);
- if (sas_expander) {
- sas_address = sas_expander->sas_address;
- max_phys = sas_expander->num_phys;
- } else if (parent_handle < ioc->sas_hba.num_phys) {
- sas_address = ioc->sas_hba.sas_address;
- max_phys = ioc->sas_hba.num_phys;
- } else {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- /* handle siblings events */
- for (i = 0; i < event_data->NumEntries; i++) {
- if (fw_event->ignore) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
- "expander event\n", ioc->name));
- return;
- }
- if (ioc->shost_recovery || ioc->remove_host ||
- ioc->pci_error_recovery)
- return;
- phy_number = event_data->StartPhyNum + i;
- if (phy_number >= max_phys)
- continue;
- reason_code = event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_RC_MASK;
- if ((event_data->PHY[i].PhyStatus &
- MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
- MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
- continue;
- handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
- if (!handle)
- continue;
- link_rate = event_data->PHY[i].LinkRate >> 4;
- prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
- switch (reason_code) {
- case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
-
- if (ioc->shost_recovery)
- break;
-
- if (link_rate == prev_link_rate)
- break;
-
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, phy_number, link_rate);
-
- if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
- break;
-
- _scsih_check_device(ioc, handle);
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
-
- if (ioc->shost_recovery)
- break;
-
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, phy_number, link_rate);
-
- _scsih_add_device(ioc, handle, phy_number, 0);
- break;
- case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
-
- _scsih_device_remove_by_handle(ioc, handle);
- break;
- }
- }
-
- /* handle expander removal */
- if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
- sas_expander)
- mpt2sas_expander_remove(ioc, sas_address);
-
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_device_status_change_event_debug - debug for device event
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasDeviceStatusChange_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->ReasonCode) {
- case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
- reason_str = "smart data";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
- reason_str = "unsupported device discovered";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
- reason_str = "internal device reset";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
- reason_str = "internal task abort";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
- reason_str = "internal task abort set";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
- reason_str = "internal clear task set";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
- reason_str = "internal query task";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
- reason_str = "sata init failure";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
- reason_str = "internal device reset complete";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
- reason_str = "internal task abort complete";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
- reason_str = "internal async notification";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
- reason_str = "expander reduced functionality";
- break;
- case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
- reason_str = "expander reduced functionality complete";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
- printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
- "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
- ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
- (unsigned long long)le64_to_cpu(event_data->SASAddress),
- le16_to_cpu(event_data->TaskTag));
- if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
- printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
- event_data->ASC, event_data->ASCQ);
- printk(KERN_INFO "\n");
-}
-#endif
-
-/**
- * _scsih_sas_device_status_change_event - handle device status change
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- struct MPT2SAS_TARGET *target_priv_data;
- struct _sas_device *sas_device;
- u64 sas_address;
- unsigned long flags;
- Mpi2EventDataSasDeviceStatusChange_t *event_data =
- (Mpi2EventDataSasDeviceStatusChange_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_device_status_change_event_debug(ioc,
- event_data);
-#endif
-
- /* In MPI Revision K (0xC), the internal device reset complete was
- * implemented, so avoid setting tm_busy flag for older firmware.
- */
- if ((ioc->facts.HeaderVersion >> 8) < 0xC)
- return;
-
- if (event_data->ReasonCode !=
- MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
- event_data->ReasonCode !=
- MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
- return;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_address = le64_to_cpu(event_data->SASAddress);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- sas_address);
-
- if (!sas_device || !sas_device->starget)
- goto out;
-
- target_priv_data = sas_device->starget->hostdata;
- if (!target_priv_data)
- goto out;
-
- if (event_data->ReasonCode ==
- MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
- target_priv_data->tm_busy = 1;
- else
- target_priv_data->tm_busy = 0;
-
-out:
- if (sas_device)
- sas_device_put(sas_device);
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataSasEnclDevStatusChange_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->ReasonCode) {
- case MPI2_EVENT_SAS_ENCL_RC_ADDED:
- reason_str = "enclosure add";
- break;
- case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
- reason_str = "enclosure remove";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
-
- printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
- "\thandle(0x%04x), enclosure logical id(0x%016llx)"
- " number slots(%d)\n", ioc->name, reason_str,
- le16_to_cpu(event_data->EnclosureHandle),
- (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
- le16_to_cpu(event_data->StartSlot));
-}
-#endif
-
-/**
- * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
- (Mpi2EventDataSasEnclDevStatusChange_t *)
- fw_event->event_data);
-#endif
-}
-
-/**
- * _scsih_sas_broadcast_primitive_event - handle broadcast events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- struct scsi_cmnd *scmd;
- struct scsi_device *sdev;
- u16 smid, handle;
- u32 lun;
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- u32 termination_count;
- u32 query_count;
- Mpi2SCSITaskManagementReply_t *mpi_reply;
- Mpi2EventDataSasBroadcastPrimitive_t *event_data =
- (Mpi2EventDataSasBroadcastPrimitive_t *)
- fw_event->event_data;
- u16 ioc_status;
- unsigned long flags;
- int r;
- u8 max_retries = 0;
- u8 task_abort_retries;
-
- mutex_lock(&ioc->tm_cmds.mutex);
- pr_info(MPT2SAS_FMT
- "%s: enter: phy number(%d), width(%d)\n",
- ioc->name, __func__, event_data->PhyNum,
- event_data->PortWidth);
-
- _scsih_block_io_all_device(ioc);
-
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- mpi_reply = ioc->tm_cmds.reply;
-broadcast_aen_retry:
-
- /* sanity checks for retrying this loop */
- if (max_retries++ == 5) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n",
- ioc->name, __func__));
- goto out;
- } else if (max_retries > 1)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n",
- ioc->name, __func__, max_retries - 1));
-
- termination_count = 0;
- query_count = 0;
- for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
- if (ioc->shost_recovery)
- goto out;
- scmd = _scsih_scsi_lookup_get(ioc, smid);
- if (!scmd)
- continue;
- sdev = scmd->device;
- sas_device_priv_data = sdev->hostdata;
- if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
- continue;
- /* skip hidden raid components */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_RAID_COMPONENT)
- continue;
- /* skip volumes */
- if (sas_device_priv_data->sas_target->flags &
- MPT_TARGET_FLAGS_VOLUME)
- continue;
-
- handle = sas_device_priv_data->sas_target->handle;
- lun = sas_device_priv_data->lun;
- query_count++;
-
- if (ioc->shost_recovery)
- goto out;
-
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
- MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30,
- TM_MUTEX_OFF);
- if (r == FAILED) {
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: FAILED when sending "
- "QUERY_TASK: scmd(%p)\n", scmd);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
- ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
- & MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- sdev_printk(KERN_WARNING, sdev, "query task: FAILED "
- "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status,
- scmd);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
-
- /* see if IO is still owned by IOC and target */
- if (mpi_reply->ResponseCode ==
- MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
- mpi_reply->ResponseCode ==
- MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- continue;
- }
- task_abort_retries = 0;
- tm_retry:
- if (task_abort_retries++ == 60) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s: ABORT_TASK: giving up\n", ioc->name,
- __func__));
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- goto broadcast_aen_retry;
- }
-
- if (ioc->shost_recovery)
- goto out_no_lock;
-
- r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
- sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30,
- TM_MUTEX_OFF);
- if (r == FAILED) {
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
- "scmd(%p)\n", scmd);
- goto tm_retry;
- }
-
- if (task_abort_retries > 1)
- sdev_printk(KERN_WARNING, sdev,
- "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
- " scmd(%p)\n",
- task_abort_retries - 1, scmd);
-
- termination_count += le32_to_cpu(mpi_reply->TerminationCount);
- spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
- }
-
- if (ioc->broadcast_aen_pending) {
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to"
- " pending AEN\n", ioc->name, __func__));
- ioc->broadcast_aen_pending = 0;
- goto broadcast_aen_retry;
- }
-
- out:
- spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
- out_no_lock:
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s - exit, query_count = %d termination_count = %d\n",
- ioc->name, __func__, query_count, termination_count));
-
- ioc->broadcast_aen_busy = 0;
- if (!ioc->shost_recovery)
- _scsih_ublock_io_all_device(ioc);
- mutex_unlock(&ioc->tm_cmds.mutex);
-}
-
-/**
- * _scsih_sas_discovery_event - handle discovery events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventDataSasDiscovery_t *event_data =
- (Mpi2EventDataSasDiscovery_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
- printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
- (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
- "start" : "stop");
- if (event_data->DiscoveryStatus)
- printk("discovery_status(0x%08x)",
- le32_to_cpu(event_data->DiscoveryStatus));
- printk("\n");
- }
-#endif
-
- if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
- !ioc->sas_hba.num_phys) {
- if (disable_discovery > 0 && ioc->shost_recovery) {
- /* Wait for the reset to complete */
- while (ioc->shost_recovery)
- ssleep(1);
- }
- _scsih_sas_host_add(ioc);
- }
-}
-
-/**
- * _scsih_reprobe_lun - reprobing lun
- * @sdev: scsi device struct
- * @no_uld_attach: sdev->no_uld_attach flag setting
- *
- **/
-static void
-_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
-{
- int rc;
-
- sdev->no_uld_attach = no_uld_attach ? 1 : 0;
- sdev_printk(KERN_INFO, sdev, "%s raid component\n",
- sdev->no_uld_attach ? "hidding" : "exposing");
- rc = scsi_device_reprobe(sdev);
-}
-
-/**
- * _scsih_sas_volume_add - add new volume
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _raid_device *raid_device;
- unsigned long flags;
- u64 wwid;
- u16 handle = le16_to_cpu(element->VolDevHandle);
- int rc;
-
- mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
- if (!wwid) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (raid_device)
- return;
-
- raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
- if (!raid_device) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- return;
- }
-
- raid_device->id = ioc->sas_id++;
- raid_device->channel = RAID_CHANNEL;
- raid_device->handle = handle;
- raid_device->wwid = wwid;
- _scsih_raid_device_add(ioc, raid_device);
- if (!ioc->wait_for_discovery_to_complete) {
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- } else {
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- _scsih_determine_boot_device(ioc, raid_device, 1);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-}
-
-/**
- * _scsih_sas_volume_delete - delete volume
- * @ioc: per adapter object
- * @handle: volume device handle
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
-{
- struct _raid_device *raid_device;
- unsigned long flags;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget = NULL;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device) {
- if (raid_device->starget) {
- starget = raid_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->deleted = 1;
- }
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
- "(0x%016llx)\n", ioc->name, raid_device->handle,
- (unsigned long long) raid_device->wwid);
- list_del(&raid_device->list);
- kfree(raid_device);
- }
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (starget)
- scsi_remove_target(&starget->dev);
-}
-
-/**
- * _scsih_sas_pd_expose - expose pd component to /dev/sdX
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- struct scsi_target *starget = NULL;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- sas_device->volume_handle = 0;
- sas_device->volume_wwid = 0;
- clear_bit(handle, ioc->pd_handles);
- if (sas_device->starget && sas_device->starget->hostdata) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->flags &=
- ~MPT_TARGET_FLAGS_RAID_COMPONENT;
- }
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!sas_device)
- return;
-
- /* exposing raid component */
- if (starget)
- starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
-
- sas_device_put(sas_device);
-}
-
-/**
- * _scsih_sas_pd_hide - hide pd component from /dev/sdX
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- struct scsi_target *starget = NULL;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- unsigned long flags;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
- u16 volume_handle = 0;
- u64 volume_wwid = 0;
-
- mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle);
- if (volume_handle)
- mpt2sas_config_get_volume_wwid(ioc, volume_handle,
- &volume_wwid);
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- set_bit(handle, ioc->pd_handles);
- if (sas_device->starget && sas_device->starget->hostdata) {
- starget = sas_device->starget;
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->flags |=
- MPT_TARGET_FLAGS_RAID_COMPONENT;
- sas_device->volume_handle = volume_handle;
- sas_device->volume_wwid = volume_wwid;
- }
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- if (!sas_device)
- return;
-
- /* hiding raid component */
- if (starget)
- starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
-
- sas_device_put(sas_device);
-}
-
-/**
- * _scsih_sas_pd_delete - delete pd component
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
-
- _scsih_device_remove_by_handle(ioc, handle);
-}
-
-/**
- * _scsih_sas_pd_add - remove pd component
- * @ioc: per adapter object
- * @element: IR config element data
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventIrConfigElement_t *element)
-{
- struct _sas_device *sas_device;
- u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- u64 sas_address;
- u16 parent_handle;
-
- set_bit(handle, ioc->pd_handles);
-
- sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- sas_device_put(sas_device);
- return;
- }
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
-
- _scsih_add_device(ioc, handle, 0, 1);
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrConfigChangeList_t *event_data)
-{
- Mpi2EventIrConfigElement_t *element;
- u8 element_type;
- int i;
- char *reason_str = NULL, *element_str = NULL;
-
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
-
- printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
- ioc->name, (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
- "foreign" : "native", event_data->NumElements);
- for (i = 0; i < event_data->NumElements; i++, element++) {
- switch (element->ReasonCode) {
- case MPI2_EVENT_IR_CHANGE_RC_ADDED:
- reason_str = "add";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
- reason_str = "remove";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
- reason_str = "no change";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_HIDE:
- reason_str = "hide";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
- reason_str = "unhide";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
- reason_str = "volume_created";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
- reason_str = "volume_deleted";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
- reason_str = "pd_created";
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
- reason_str = "pd_deleted";
- break;
- default:
- reason_str = "unknown reason";
- break;
- }
- element_type = le16_to_cpu(element->ElementFlags) &
- MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
- switch (element_type) {
- case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
- element_str = "volume";
- break;
- case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
- element_str = "phys disk";
- break;
- case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
- element_str = "hot spare";
- break;
- default:
- element_str = "unknown element";
- break;
- }
- printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
- "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
- reason_str, le16_to_cpu(element->VolDevHandle),
- le16_to_cpu(element->PhysDiskDevHandle),
- element->PhysDiskNum);
- }
-}
-#endif
-
-/**
- * _scsih_sas_ir_config_change_event - handle ir configuration change events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventIrConfigElement_t *element;
- int i;
- u8 foreign_config;
- Mpi2EventDataIrConfigChangeList_t *event_data =
- (Mpi2EventDataIrConfigChangeList_t *)
- fw_event->event_data;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- && !ioc->hide_ir_msg)
- _scsih_sas_ir_config_change_event_debug(ioc, event_data);
-
-#endif
-
- if (ioc->shost_recovery)
- return;
-
- foreign_config = (le32_to_cpu(event_data->Flags) &
- MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
-
- element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
- for (i = 0; i < event_data->NumElements; i++, element++) {
-
- switch (element->ReasonCode) {
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
- case MPI2_EVENT_IR_CHANGE_RC_ADDED:
- if (!foreign_config)
- _scsih_sas_volume_add(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
- case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
- if (!foreign_config)
- _scsih_sas_volume_delete(ioc,
- le16_to_cpu(element->VolDevHandle));
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_hide(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_expose(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_HIDE:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_add(ioc, element);
- break;
- case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
- if (!ioc->is_warpdrive)
- _scsih_sas_pd_delete(ioc, element);
- break;
- }
- }
-}
-
-/**
- * _scsih_sas_ir_volume_event - IR volume event
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- u64 wwid;
- unsigned long flags;
- struct _raid_device *raid_device;
- u16 handle;
- u32 state;
- int rc;
- Mpi2EventDataIrVolume_t *event_data =
- (Mpi2EventDataIrVolume_t *)
- fw_event->event_data;
-
- if (ioc->shost_recovery)
- return;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
- return;
-
- handle = le16_to_cpu(event_data->VolDevHandle);
- state = le32_to_cpu(event_data->NewValue);
- if (!ioc->hide_ir_msg)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
- "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
- le32_to_cpu(event_data->PreviousValue), state));
-
- switch (state) {
- case MPI2_RAID_VOL_STATE_MISSING:
- case MPI2_RAID_VOL_STATE_FAILED:
- _scsih_sas_volume_delete(ioc, handle);
- break;
-
- case MPI2_RAID_VOL_STATE_ONLINE:
- case MPI2_RAID_VOL_STATE_DEGRADED:
- case MPI2_RAID_VOL_STATE_OPTIMAL:
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-
- if (raid_device)
- break;
-
- mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
- if (!wwid) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- break;
- }
-
- raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
- if (!raid_device) {
- printk(MPT2SAS_ERR_FMT
- "failure at %s:%d/%s()!\n", ioc->name,
- __FILE__, __LINE__, __func__);
- break;
- }
-
- raid_device->id = ioc->sas_id++;
- raid_device->channel = RAID_CHANNEL;
- raid_device->handle = handle;
- raid_device->wwid = wwid;
- _scsih_raid_device_add(ioc, raid_device);
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- break;
-
- case MPI2_RAID_VOL_STATE_INITIALIZING:
- default:
- break;
- }
-}
-
-/**
- * _scsih_sas_ir_physical_disk_event - PD event
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- u16 handle, parent_handle;
- u32 state;
- struct _sas_device *sas_device;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasDevicePage0_t sas_device_pg0;
- u32 ioc_status;
- Mpi2EventDataIrPhysicalDisk_t *event_data =
- (Mpi2EventDataIrPhysicalDisk_t *)
- fw_event->event_data;
- u64 sas_address;
-
- if (ioc->shost_recovery)
- return;
-
- if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
- return;
-
- handle = le16_to_cpu(event_data->PhysDiskDevHandle);
- state = le32_to_cpu(event_data->NewValue);
-
- if (!ioc->hide_ir_msg)
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
- "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
- le32_to_cpu(event_data->PreviousValue), state));
-
- switch (state) {
- case MPI2_RAID_PD_STATE_ONLINE:
- case MPI2_RAID_PD_STATE_DEGRADED:
- case MPI2_RAID_PD_STATE_REBUILDING:
- case MPI2_RAID_PD_STATE_OPTIMAL:
- case MPI2_RAID_PD_STATE_HOT_SPARE:
-
- if (!ioc->is_warpdrive)
- set_bit(handle, ioc->pd_handles);
-
- sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- sas_device_put(sas_device);
- return;
- }
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
-
- _scsih_add_device(ioc, handle, 0, 1);
-
- break;
-
- case MPI2_RAID_PD_STATE_OFFLINE:
- case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
- case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
- default:
- break;
- }
-}
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
- * @ioc: per adapter object
- * @event_data: event data payload
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
- Mpi2EventDataIrOperationStatus_t *event_data)
-{
- char *reason_str = NULL;
-
- switch (event_data->RAIDOperation) {
- case MPI2_EVENT_IR_RAIDOP_RESYNC:
- reason_str = "resync";
- break;
- case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
- reason_str = "online capacity expansion";
- break;
- case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
- reason_str = "consistency check";
- break;
- case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
- reason_str = "background init";
- break;
- case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
- reason_str = "make data consistent";
- break;
- }
-
- if (!reason_str)
- return;
-
- printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
- "\thandle(0x%04x), percent complete(%d)\n",
- ioc->name, reason_str,
- le16_to_cpu(event_data->VolDevHandle),
- event_data->PercentComplete);
-}
-#endif
-
-/**
- * _scsih_sas_ir_operation_status_event - handle RAID operation events
- * @ioc: per adapter object
- * @fw_event: The fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
- struct fw_event_work *fw_event)
-{
- Mpi2EventDataIrOperationStatus_t *event_data =
- (Mpi2EventDataIrOperationStatus_t *)
- fw_event->event_data;
- static struct _raid_device *raid_device;
- unsigned long flags;
- u16 handle;
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
- if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
- && !ioc->hide_ir_msg)
- _scsih_sas_ir_operation_status_event_debug(ioc,
- event_data);
-#endif
-
- /* code added for raid transport support */
- if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- handle = le16_to_cpu(event_data->VolDevHandle);
- raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
- if (raid_device)
- raid_device->percent_complete =
- event_data->PercentComplete;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- }
-}
-
-/**
- * _scsih_prep_device_scan - initialize parameters prior to device scan
- * @ioc: per adapter object
- *
- * Set the deleted flag prior to device scan. If the device is found during
- * the scan, then we clear the deleted flag.
- */
-static void
-_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
-{
- struct MPT2SAS_DEVICE *sas_device_priv_data;
- struct scsi_device *sdev;
-
- shost_for_each_device(sdev, ioc->shost) {
- sas_device_priv_data = sdev->hostdata;
- if (sas_device_priv_data && sas_device_priv_data->sas_target)
- sas_device_priv_data->sas_target->deleted = 1;
- }
-}
-
-/**
- * _scsih_mark_responding_sas_device - mark a sas_devices as responding
- * @ioc: per adapter object
- * @sas_address: sas address
- * @slot: enclosure slot id
- * @handle: device handle
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_sas_devices.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 slot, u16 handle)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data = NULL;
- struct scsi_target *starget;
- struct _sas_device *sas_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
- if (sas_device->sas_address == sas_address &&
- sas_device->slot == slot) {
- sas_device->responding = 1;
- starget = sas_device->starget;
- if (starget && starget->hostdata) {
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->tm_busy = 0;
- sas_target_priv_data->deleted = 0;
- } else
- sas_target_priv_data = NULL;
- if (starget)
- starget_printk(KERN_INFO, starget,
- "handle(0x%04x), sas_addr(0x%016llx), "
- "enclosure logical id(0x%016llx), "
- "slot(%d)\n", handle,
- (unsigned long long)sas_device->sas_address,
- (unsigned long long)
- sas_device->enclosure_logical_id,
- sas_device->slot);
- if (sas_device->handle == handle)
- goto out;
- printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
- sas_device->handle);
- sas_device->handle = handle;
- if (sas_target_priv_data)
- sas_target_priv_data->handle = handle;
- goto out;
- }
- }
- out:
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-/**
- * _scsih_search_responding_sas_devices -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- __le64 sas_address;
- u16 handle;
- u32 device_info;
- u16 slot;
-
- printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name);
-
- if (list_empty(&ioc->sas_device_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
- handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- handle = le16_to_cpu(sas_device_pg0.DevHandle);
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
- if (!(_scsih_is_end_device(device_info)))
- continue;
- sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
- slot = le16_to_cpu(sas_device_pg0.Slot);
- _scsih_mark_responding_sas_device(ioc, sas_address, slot,
- handle);
- }
-out:
- printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n",
- ioc->name);
-}
-
-/**
- * _scsih_mark_responding_raid_device - mark a raid_device as responding
- * @ioc: per adapter object
- * @wwid: world wide identifier for raid volume
- * @handle: device handle
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_raid_devices.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
- u16 handle)
-{
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct scsi_target *starget;
- struct _raid_device *raid_device;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
- if (raid_device->wwid == wwid && raid_device->starget) {
- starget = raid_device->starget;
- if (starget && starget->hostdata) {
- sas_target_priv_data = starget->hostdata;
- sas_target_priv_data->deleted = 0;
- } else
- sas_target_priv_data = NULL;
- raid_device->responding = 1;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- starget_printk(KERN_INFO, raid_device->starget,
- "handle(0x%04x), wwid(0x%016llx)\n", handle,
- (unsigned long long)raid_device->wwid);
- /*
- * WARPDRIVE: The handles of the PDs might have changed
- * across the host reset so re-initialize the
- * required data for Direct IO
- */
- _scsih_init_warpdrive_properties(ioc, raid_device);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- if (raid_device->handle == handle) {
- spin_unlock_irqrestore(&ioc->raid_device_lock,
- flags);
- return;
- }
- printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
- raid_device->handle);
- raid_device->handle = handle;
- if (sas_target_priv_data)
- sas_target_priv_data->handle = handle;
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- return;
- }
- }
-
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
-}
-
-/**
- * _scsih_search_responding_raid_devices -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidVolPage1_t volume_pg1;
- Mpi2RaidVolPage0_t volume_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u16 handle;
- u8 phys_disk_num;
-
- if (!ioc->ir_firmware)
- return;
-
- printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n",
- ioc->name);
-
- if (list_empty(&ioc->raid_device_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- handle = le16_to_cpu(volume_pg1.DevHandle);
-
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
- &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t)))
- continue;
-
- if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
- _scsih_mark_responding_raid_device(ioc,
- le64_to_cpu(volume_pg1.WWID), handle);
- }
-
- /* refresh the pd_handles */
- if (!ioc->is_warpdrive) {
- phys_disk_num = 0xFF;
- memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
- while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
- phys_disk_num))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
- phys_disk_num = pd_pg0.PhysDiskNum;
- handle = le16_to_cpu(pd_pg0.DevHandle);
- set_bit(handle, ioc->pd_handles);
- }
- }
-out:
- printk(MPT2SAS_INFO_FMT "search for responding raid volumes: "
- "complete\n", ioc->name);
-}
-
-/**
- * _scsih_mark_responding_expander - mark a expander as responding
- * @ioc: per adapter object
- * @sas_address: sas address
- * @handle:
- *
- * After host reset, find out whether devices are still responding.
- * Used in _scsi_remove_unresponsive_expanders.
- *
- * Return nothing.
- */
-static void
-_scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u16 handle)
-{
- struct _sas_node *sas_expander;
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
- if (sas_expander->sas_address != sas_address)
- continue;
- sas_expander->responding = 1;
- if (sas_expander->handle == handle)
- goto out;
- printk(KERN_INFO "\texpander(0x%016llx): handle changed"
- " from(0x%04x) to (0x%04x)!!!\n",
- (unsigned long long)sas_expander->sas_address,
- sas_expander->handle, handle);
- sas_expander->handle = handle;
- for (i = 0 ; i < sas_expander->num_phys ; i++)
- sas_expander->phy[i].handle = handle;
- goto out;
- }
- out:
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-}
-
-/**
- * _scsih_search_responding_expanders -
- * @ioc: per adapter object
- *
- * After host reset, find out whether devices are still responding.
- * If not remove.
- *
- * Return nothing.
- */
-static void
-_scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u64 sas_address;
- u16 handle;
-
- printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name);
-
- if (list_empty(&ioc->sas_expander_list))
- goto out;
-
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
- break;
-
- handle = le16_to_cpu(expander_pg0.DevHandle);
- sas_address = le64_to_cpu(expander_pg0.SASAddress);
- printk(KERN_INFO "\texpander present: handle(0x%04x), "
- "sas_addr(0x%016llx)\n", handle,
- (unsigned long long)sas_address);
- _scsih_mark_responding_expander(ioc, sas_address, handle);
- }
-
- out:
- printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name);
-}
-
-/**
- * _scsih_remove_unresponding_sas_devices - removing unresponding devices
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _sas_device *sas_device, *sas_device_next;
- struct _sas_node *sas_expander, *sas_expander_next;
- struct _raid_device *raid_device, *raid_device_next;
- struct list_head tmp_list;
- unsigned long flags;
- LIST_HEAD(head);
-
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n",
- ioc->name);
-
- /* removing unresponding end devices */
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n",
- ioc->name);
-
- /*
- * Iterate, pulling off devices marked as non-responding. We become the
- * owner for the reference the list had on any object we prune.
- */
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- list_for_each_entry_safe(sas_device, sas_device_next,
- &ioc->sas_device_list, list) {
- if (!sas_device->responding)
- list_move_tail(&sas_device->list, &head);
- else
- sas_device->responding = 0;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- /*
- * Now, uninitialize and remove the unresponding devices we pruned.
- */
- list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
- _scsih_remove_device(ioc, sas_device);
- list_del_init(&sas_device->list);
- sas_device_put(sas_device);
- }
-
- /* removing unresponding volumes */
- if (ioc->ir_firmware) {
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: "
- "volumes\n", ioc->name);
- list_for_each_entry_safe(raid_device, raid_device_next,
- &ioc->raid_device_list, list) {
- if (!raid_device->responding)
- _scsih_sas_volume_delete(ioc,
- raid_device->handle);
- else
- raid_device->responding = 0;
- }
- }
- /* removing unresponding expanders */
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n",
- ioc->name);
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- INIT_LIST_HEAD(&tmp_list);
- list_for_each_entry_safe(sas_expander, sas_expander_next,
- &ioc->sas_expander_list, list) {
- if (!sas_expander->responding)
- list_move_tail(&sas_expander->list, &tmp_list);
- else
- sas_expander->responding = 0;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
- list) {
- list_del(&sas_expander->list);
- _scsih_expander_node_remove(ioc, sas_expander);
- }
- printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n",
- ioc->name);
- /* unblock devices */
- _scsih_ublock_io_all_device(ioc);
-}
-
-static void
-_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander, u16 handle)
-{
- Mpi2ExpanderPage1_t expander_pg1;
- Mpi2ConfigReply_t mpi_reply;
- int i;
-
- for (i = 0 ; i < sas_expander->num_phys ; i++) {
- if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
- &expander_pg1, i, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- mpt2sas_transport_update_links(ioc, sas_expander->sas_address,
- le16_to_cpu(expander_pg1.AttachedDevHandle), i,
- expander_pg1.NegotiatedLinkRate >> 4);
- }
-}
-
-/**
- * _scsih_scan_for_devices_after_reset - scan for devices after host reset
- * @ioc: per adapter object
- *
- * Return nothing.
- */
-static void
-_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2ExpanderPage0_t expander_pg0;
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2RaidVolPage1_t volume_pg1;
- Mpi2RaidVolPage0_t volume_pg0;
- Mpi2RaidPhysDiskPage0_t pd_pg0;
- Mpi2EventIrConfigElement_t element;
- Mpi2ConfigReply_t mpi_reply;
- u8 phys_disk_num;
- u16 ioc_status;
- u16 handle, parent_handle;
- u64 sas_address;
- struct _sas_device *sas_device;
- struct _sas_node *expander_device;
- static struct _raid_device *raid_device;
- u8 retry_count;
- unsigned long flags;
-
- printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
-
- _scsih_sas_host_refresh(ioc);
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n",
- ioc->name);
- /* expanders */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
- MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(expander_pg0.DevHandle);
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- expander_device = mpt2sas_scsih_expander_find_by_sas_address(
- ioc, le64_to_cpu(expander_pg0.SASAddress));
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (expander_device)
- _scsih_refresh_expander_links(ioc, expander_device,
- handle);
- else {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(expander_pg0.SASAddress));
- _scsih_expander_add(ioc, handle);
- printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(expander_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n",
- ioc->name);
-
- if (!ioc->ir_firmware)
- goto skip_to_sas;
-
- printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name);
- /* phys disk */
- phys_disk_num = 0xFF;
- while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
- &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
- phys_disk_num))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:"
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- phys_disk_num = pd_pg0.PhysDiskNum;
- handle = le16_to_cpu(pd_pg0.DevHandle);
- sas_device = mpt2sas_get_sdev_by_handle(ioc, handle);
- if (sas_device) {
- sas_device_put(sas_device);
- continue;
- }
- if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
- handle) != 0)
- continue;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle,
- &sas_address)) {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: "
- " handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- mpt2sas_transport_update_links(ioc, sas_address,
- handle, sas_device_pg0.PhyNum,
- MPI2_SAS_NEG_LINK_RATE_1_5);
- set_bit(handle, ioc->pd_handles);
- retry_count = 0;
- /* This will retry adding the end device.
- * _scsih_add_device() will decide on retries and
- * return "1" when it should be retried
- */
- while (_scsih_add_device(ioc, handle, retry_count++,
- 1)) {
- ssleep(1);
- }
- printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: "
- " handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n",
- ioc->name);
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name);
- /* volumes */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
- &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(volume_pg1.DevHandle);
- spin_lock_irqsave(&ioc->raid_device_lock, flags);
- raid_device = _scsih_raid_device_find_by_wwid(ioc,
- le64_to_cpu(volume_pg1.WWID));
- spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
- if (raid_device)
- continue;
- if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
- &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
- sizeof(Mpi2RaidVolPage0_t)))
- continue;
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
- volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
- memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
- element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
- element.VolDevHandle = volume_pg1.DevHandle;
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: "
- " handle (0x%04x)\n", ioc->name,
- volume_pg1.DevHandle);
- _scsih_sas_volume_add(ioc, &element);
- printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: "
- " handle (0x%04x)\n", ioc->name,
- volume_pg1.DevHandle);
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n",
- ioc->name);
-
- skip_to_sas:
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n",
- ioc->name);
- /* sas devices */
- handle = 0xFFFF;
- while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
- &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
- handle))) {
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:"
- " ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, ioc_status,
- le32_to_cpu(mpi_reply.IOCLogInfo));
- break;
- }
- handle = le16_to_cpu(sas_device_pg0.DevHandle);
- if (!(_scsih_is_end_device(
- le32_to_cpu(sas_device_pg0.DeviceInfo))))
- continue;
- sas_device = mpt2sas_get_sdev_by_addr(ioc,
- le64_to_cpu(sas_device_pg0.SASAddress));
- if (sas_device) {
- sas_device_put(sas_device);
- continue;
- }
- parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
- if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
- printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- mpt2sas_transport_update_links(ioc, sas_address, handle,
- sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
- retry_count = 0;
- /* This will retry adding the end device.
- * _scsih_add_device() will decide on retries and
- * return "1" when it should be retried
- */
- while (_scsih_add_device(ioc, handle, retry_count++,
- 0)) {
- ssleep(1);
- }
- printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: "
- "handle (0x%04x), sas_addr(0x%016llx)\n",
- ioc->name, handle, (unsigned long long)
- le64_to_cpu(sas_device_pg0.SASAddress));
- }
- }
-
- printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n",
- ioc->name);
-
- printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
-}
-
-
-/**
- * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
- * @ioc: per adapter object
- * @reset_phase: phase
- *
- * The handler for doing any required cleanup or initialization.
- *
- * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
- * MPT2_IOC_DONE_RESET
- *
- * Return nothing.
- */
-void
-mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
-{
- switch (reset_phase) {
- case MPT2_IOC_PRE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
- break;
- case MPT2_IOC_AFTER_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
- if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
- ioc->scsih_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
- complete(&ioc->scsih_cmds.done);
- }
- if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
- ioc->tm_cmds.status |= MPT2_CMD_RESET;
- mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
- complete(&ioc->tm_cmds.done);
- }
- _scsih_fw_event_cleanup_queue(ioc);
- _scsih_flush_running_cmds(ioc);
- break;
- case MPT2_IOC_DONE_RESET:
- dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
- "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
- _scsih_sas_host_refresh(ioc);
- _scsih_prep_device_scan(ioc);
- _scsih_search_responding_sas_devices(ioc);
- _scsih_search_responding_raid_devices(ioc);
- _scsih_search_responding_expanders(ioc);
- if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
- !ioc->sas_hba.num_phys)) {
- _scsih_prep_device_scan(ioc);
- _scsih_search_responding_sas_devices(ioc);
- _scsih_search_responding_raid_devices(ioc);
- _scsih_search_responding_expanders(ioc);
- _scsih_error_recovery_delete_devices(ioc);
- }
- break;
- }
-}
-
-/**
- * _firmware_event_work - delayed task for processing firmware events
- * @ioc: per adapter object
- * @work: equal to the fw_event_work object
- * Context: user.
- *
- * Return nothing.
- */
-static void
-_firmware_event_work(struct work_struct *work)
-{
- struct fw_event_work *fw_event = container_of(work,
- struct fw_event_work, delayed_work.work);
- struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
-
- _scsih_fw_event_del_from_list(ioc, fw_event);
-
- /* the queue is being flushed so ignore this event */
- if (ioc->remove_host || ioc->pci_error_recovery) {
- fw_event_work_put(fw_event);
- return;
- }
-
- switch (fw_event->event) {
- case MPT2SAS_REMOVE_UNRESPONDING_DEVICES:
- while (scsi_host_in_recovery(ioc->shost) ||
- ioc->shost_recovery) {
- /*
- * If we're unloading, bail. Otherwise, this can become
- * an infinite loop.
- */
- if (ioc->remove_host)
- goto out;
-
- ssleep(1);
- }
- _scsih_remove_unresponding_sas_devices(ioc);
- _scsih_scan_for_devices_after_reset(ioc);
- break;
- case MPT2SAS_PORT_ENABLE_COMPLETE:
- ioc->start_scan = 0;
-
- if (missing_delay[0] != -1 && missing_delay[1] != -1)
- mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
- missing_delay[1]);
-
- dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
- "from worker thread\n", ioc->name));
- break;
- case MPT2SAS_TURN_ON_PFA_LED:
- _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
- break;
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- _scsih_sas_topology_change_event(ioc, fw_event);
- break;
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- _scsih_sas_device_status_change_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_DISCOVERY:
- _scsih_sas_discovery_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- _scsih_sas_broadcast_primitive_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- _scsih_sas_enclosure_dev_status_change_event(ioc,
- fw_event);
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- _scsih_sas_ir_config_change_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_VOLUME:
- _scsih_sas_ir_volume_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- _scsih_sas_ir_physical_disk_event(ioc, fw_event);
- break;
- case MPI2_EVENT_IR_OPERATION_STATUS:
- _scsih_sas_ir_operation_status_event(ioc, fw_event);
- break;
- }
-out:
- fw_event_work_put(fw_event);
-}
-
-/**
- * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
- * @ioc: per adapter object
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: interrupt.
- *
- * This function merely adds a new work task into ioc->firmware_event_thread.
- * The tasks are worked from _firmware_event_work in user context.
- *
- * Returns void.
- */
-void
-mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
- u32 reply)
-{
- struct fw_event_work *fw_event;
- Mpi2EventNotificationReply_t *mpi_reply;
- u16 event;
- u16 sz;
-
- /* events turned off due to host reset or driver unloading */
- if (ioc->remove_host || ioc->pci_error_recovery)
- return;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
-
- if (unlikely(!mpi_reply)) {
- printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- event = le16_to_cpu(mpi_reply->Event);
-
- switch (event) {
- /* handle these */
- case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
- {
- Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
- (Mpi2EventDataSasBroadcastPrimitive_t *)
- mpi_reply->EventData;
-
- if (baen_data->Primitive !=
- MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
- return;
-
- if (ioc->broadcast_aen_busy) {
- ioc->broadcast_aen_pending++;
- return;
- } else
- ioc->broadcast_aen_busy = 1;
- break;
- }
-
- case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
- _scsih_check_topo_delete_events(ioc,
- (Mpi2EventDataSasTopologyChangeList_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
- _scsih_check_ir_config_unhide_events(ioc,
- (Mpi2EventDataIrConfigChangeList_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_IR_VOLUME:
- _scsih_check_volume_delete_events(ioc,
- (Mpi2EventDataIrVolume_t *)
- mpi_reply->EventData);
- break;
- case MPI2_EVENT_LOG_ENTRY_ADDED:
- {
- Mpi2EventDataLogEntryAdded_t *log_entry;
- __le32 *log_code;
-
- if (!ioc->is_warpdrive)
- break;
-
- log_entry = (Mpi2EventDataLogEntryAdded_t *)
- mpi_reply->EventData;
- log_code = (__le32 *)log_entry->LogData;
-
- if (le16_to_cpu(log_entry->LogEntryQualifier)
- != MPT2_WARPDRIVE_LOGENTRY)
- break;
-
- switch (le32_to_cpu(*log_code)) {
- case MPT2_WARPDRIVE_LC_SSDT:
- printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
- "IO Throttling has occurred in the WarpDrive "
- "subsystem. Check WarpDrive documentation for "
- "additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_SSDLW:
- printk(MPT2SAS_WARN_FMT "WarpDrive Warning: "
- "Program/Erase Cycles for the WarpDrive subsystem "
- "in degraded range. Check WarpDrive documentation "
- "for additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_SSDLF:
- printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
- "There are no Program/Erase Cycles for the "
- "WarpDrive subsystem. The storage device will be "
- "in read-only mode. Check WarpDrive documentation "
- "for additional details.\n", ioc->name);
- break;
- case MPT2_WARPDRIVE_LC_BRMF:
- printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: "
- "The Backup Rail Monitor has failed on the "
- "WarpDrive subsystem. Check WarpDrive "
- "documentation for additional details.\n",
- ioc->name);
- break;
- }
-
- break;
- }
- case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
- case MPI2_EVENT_IR_OPERATION_STATUS:
- case MPI2_EVENT_SAS_DISCOVERY:
- case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
- case MPI2_EVENT_IR_PHYSICAL_DISK:
- break;
-
- case MPI2_EVENT_TEMP_THRESHOLD:
- _scsih_temp_threshold_events(ioc,
- (Mpi2EventDataTemperature_t *)
- mpi_reply->EventData);
- break;
-
- default: /* ignore the rest */
- return;
- }
-
- sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
- fw_event = alloc_fw_event_work(sz);
- if (!fw_event) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return;
- }
-
- memcpy(fw_event->event_data, mpi_reply->EventData, sz);
- fw_event->ioc = ioc;
- fw_event->VF_ID = mpi_reply->VF_ID;
- fw_event->VP_ID = mpi_reply->VP_ID;
- fw_event->event = event;
- _scsih_fw_event_add(ioc, fw_event);
- fw_event_work_put(fw_event);
- return;
-}
-
-/* shost template */
-static struct scsi_host_template scsih_driver_template = {
- .module = THIS_MODULE,
- .name = "Fusion MPT SAS Host",
- .proc_name = MPT2SAS_DRIVER_NAME,
- .queuecommand = _scsih_qcmd,
- .target_alloc = _scsih_target_alloc,
- .slave_alloc = _scsih_slave_alloc,
- .slave_configure = _scsih_slave_configure,
- .target_destroy = _scsih_target_destroy,
- .slave_destroy = _scsih_slave_destroy,
- .scan_finished = _scsih_scan_finished,
- .scan_start = _scsih_scan_start,
- .change_queue_depth = _scsih_change_queue_depth,
- .eh_abort_handler = _scsih_abort,
- .eh_device_reset_handler = _scsih_dev_reset,
- .eh_target_reset_handler = _scsih_target_reset,
- .eh_host_reset_handler = _scsih_host_reset,
- .bios_param = _scsih_bios_param,
- .can_queue = 1,
- .this_id = -1,
- .sg_tablesize = MPT2SAS_SG_DEPTH,
- .max_sectors = 32767,
- .cmd_per_lun = 7,
- .use_clustering = ENABLE_CLUSTERING,
- .shost_attrs = mpt2sas_host_attrs,
- .sdev_attrs = mpt2sas_dev_attrs,
- .track_queue_depth = 1,
-};
-
-/**
- * _scsih_expander_node_remove - removing expander device from list.
- * @ioc: per adapter object
- * @sas_expander: the sas_device object
- * Context: Calling function should acquire ioc->sas_node_lock.
- *
- * Removing object and freeing associated memory from the
- * ioc->sas_expander_list.
- *
- * Return nothing.
- */
-static void
-_scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_expander)
-{
- struct _sas_port *mpt2sas_port, *next;
-
- /* remove sibling ports attached to this expander */
- list_for_each_entry_safe(mpt2sas_port, next,
- &sas_expander->sas_port_list, port_list) {
- if (ioc->shost_recovery)
- return;
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_END_DEVICE)
- mpt2sas_device_remove_by_sas_address(ioc,
- mpt2sas_port->remote_identify.sas_address);
- else if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE)
- mpt2sas_expander_remove(ioc,
- mpt2sas_port->remote_identify.sas_address);
- }
-
- mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
- sas_expander->sas_address_parent);
-
- printk(MPT2SAS_INFO_FMT "expander_remove: handle"
- "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
- sas_expander->handle, (unsigned long long)
- sas_expander->sas_address);
-
- kfree(sas_expander->phy);
- kfree(sas_expander);
-}
-
-/**
- * _scsih_ir_shutdown - IR shutdown notification
- * @ioc: per adapter object
- *
- * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
- * the host system is shutting down.
- *
- * Return nothing.
- */
-static void
-_scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
-{
- Mpi2RaidActionRequest_t *mpi_request;
- Mpi2RaidActionReply_t *mpi_reply;
- u16 smid;
-
- /* is IR firmware build loaded ? */
- if (!ioc->ir_firmware)
- return;
-
- mutex_lock(&ioc->scsih_cmds.mutex);
-
- if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
- ioc->name, __func__);
- goto out;
- }
- ioc->scsih_cmds.status = MPT2_CMD_PENDING;
-
- smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
- goto out;
- }
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->scsih_cmds.smid = smid;
- memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
-
- mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
- mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
-
- if (!ioc->hide_ir_msg)
- printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
- init_completion(&ioc->scsih_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
-
- if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- goto out;
- }
-
- if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
- mpi_reply = ioc->scsih_cmds.reply;
-
- if (!ioc->hide_ir_msg)
- printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
- "ioc_status(0x%04x), loginfo(0x%08x)\n",
- ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
- le32_to_cpu(mpi_reply->IOCLogInfo));
- }
-
- out:
- ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->scsih_cmds.mutex);
-}
-
-/**
- * _scsih_shutdown - routine call during system shutdown
- * @pdev: PCI device struct
- *
- * Return nothing.
- */
-static void
-_scsih_shutdown(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct workqueue_struct *wq;
- unsigned long flags;
-
- ioc->remove_host = 1;
- _scsih_fw_event_cleanup_queue(ioc);
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- wq = ioc->firmware_event_thread;
- ioc->firmware_event_thread = NULL;
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
- if (wq)
- destroy_workqueue(wq);
-
- _scsih_ir_shutdown(ioc);
- mpt2sas_base_detach(ioc);
-}
-
-/**
- * _scsih_remove - detach and remove add host
- * @pdev: PCI device struct
- *
- * Routine called when unloading the driver.
- * Return nothing.
- */
-static void
-_scsih_remove(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- struct _sas_port *mpt2sas_port, *next_port;
- struct _raid_device *raid_device, *next;
- struct MPT2SAS_TARGET *sas_target_priv_data;
- struct workqueue_struct *wq;
- unsigned long flags;
-
- ioc->remove_host = 1;
- _scsih_fw_event_cleanup_queue(ioc);
-
- spin_lock_irqsave(&ioc->fw_event_lock, flags);
- wq = ioc->firmware_event_thread;
- ioc->firmware_event_thread = NULL;
- spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
- if (wq)
- destroy_workqueue(wq);
-
- /* release all the volumes */
- _scsih_ir_shutdown(ioc);
- list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
- list) {
- if (raid_device->starget) {
- sas_target_priv_data =
- raid_device->starget->hostdata;
- sas_target_priv_data->deleted = 1;
- scsi_remove_target(&raid_device->starget->dev);
- }
- printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
- "(0x%016llx)\n", ioc->name, raid_device->handle,
- (unsigned long long) raid_device->wwid);
- _scsih_raid_device_remove(ioc, raid_device);
- }
-
- /* free ports attached to the sas_host */
- list_for_each_entry_safe(mpt2sas_port, next_port,
- &ioc->sas_hba.sas_port_list, port_list) {
- if (mpt2sas_port->remote_identify.device_type ==
- SAS_END_DEVICE)
- mpt2sas_device_remove_by_sas_address(ioc,
- mpt2sas_port->remote_identify.sas_address);
- else if (mpt2sas_port->remote_identify.device_type ==
- SAS_EDGE_EXPANDER_DEVICE ||
- mpt2sas_port->remote_identify.device_type ==
- SAS_FANOUT_EXPANDER_DEVICE)
- mpt2sas_expander_remove(ioc,
- mpt2sas_port->remote_identify.sas_address);
- }
-
- /* free phys attached to the sas_host */
- if (ioc->sas_hba.num_phys) {
- kfree(ioc->sas_hba.phy);
- ioc->sas_hba.phy = NULL;
- ioc->sas_hba.num_phys = 0;
- }
-
- sas_remove_host(shost);
- scsi_remove_host(shost);
- mpt2sas_base_detach(ioc);
- spin_lock(&gioc_lock);
- list_del(&ioc->list);
- spin_unlock(&gioc_lock);
- scsi_host_put(shost);
-}
-
-/**
- * _scsih_probe_boot_devices - reports 1st device
- * @ioc: per adapter object
- *
- * If specified in bios page 2, this routine reports the 1st
- * device scsi-ml or sas transport for persistent boot device
- * purposes. Please refer to function _scsih_determine_boot_device()
- */
-static void
-_scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- u8 is_raid;
- void *device;
- struct _sas_device *sas_device;
- struct _raid_device *raid_device;
- u16 handle;
- u64 sas_address_parent;
- u64 sas_address;
- unsigned long flags;
- int rc;
-
- /* no Bios, return immediately */
- if (!ioc->bios_pg3.BiosVersion)
- return;
-
- device = NULL;
- is_raid = 0;
- if (ioc->req_boot_device.device) {
- device = ioc->req_boot_device.device;
- is_raid = ioc->req_boot_device.is_raid;
- } else if (ioc->req_alt_boot_device.device) {
- device = ioc->req_alt_boot_device.device;
- is_raid = ioc->req_alt_boot_device.is_raid;
- } else if (ioc->current_boot_device.device) {
- device = ioc->current_boot_device.device;
- is_raid = ioc->current_boot_device.is_raid;
- }
-
- if (!device)
- return;
-
- if (is_raid) {
- raid_device = device;
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- } else {
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = device;
- handle = sas_device->handle;
- sas_address_parent = sas_device->sas_address_parent;
- sas_address = sas_device->sas_address;
- list_move_tail(&sas_device->list, &ioc->sas_device_list);
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- if (ioc->hide_drives)
- return;
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- _scsih_sas_device_remove(ioc, sas_device);
- } else if (!sas_device->starget) {
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_address,
- sas_address_parent);
- _scsih_sas_device_remove(ioc, sas_device);
- }
- }
- }
-}
-
-/**
- * _scsih_probe_raid - reporting raid volumes to scsi-ml
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _raid_device *raid_device, *raid_next;
- int rc;
-
- list_for_each_entry_safe(raid_device, raid_next,
- &ioc->raid_device_list, list) {
- if (raid_device->starget)
- continue;
- rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
- raid_device->id, 0);
- if (rc)
- _scsih_raid_device_remove(ioc, raid_device);
- }
-}
-
-static struct _sas_device *get_next_sas_device(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _sas_device *sas_device = NULL;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- if (!list_empty(&ioc->sas_device_init_list)) {
- sas_device = list_first_entry(&ioc->sas_device_init_list,
- struct _sas_device, list);
- sas_device_get(sas_device);
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-
- return sas_device;
-}
-
-static void sas_device_make_active(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_device *sas_device)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
-
- /*
- * Since we dropped the lock during the call to port_add(), we need to
- * be careful here that somebody else didn't move or delete this item
- * while we were busy with other things.
- *
- * If it was on the list, we need a put() for the reference the list
- * had. Either way, we need a get() for the destination list.
- */
- if (!list_empty(&sas_device->list)) {
- list_del_init(&sas_device->list);
- sas_device_put(sas_device);
- }
-
- sas_device_get(sas_device);
- list_add_tail(&sas_device->list, &ioc->sas_device_list);
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
-}
-
-/**
- * _scsih_probe_sas - reporting sas devices to sas transport
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
-{
- struct _sas_device *sas_device;
-
- if (ioc->hide_drives)
- return;
-
- while ((sas_device = get_next_sas_device(ioc))) {
- if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
- sas_device->sas_address_parent)) {
- _scsih_sas_device_remove(ioc, sas_device);
- sas_device_put(sas_device);
- continue;
- } else if (!sas_device->starget) {
- if (!ioc->is_driver_loading) {
- mpt2sas_transport_port_remove(ioc,
- sas_device->sas_address,
- sas_device->sas_address_parent);
- _scsih_sas_device_remove(ioc, sas_device);
- sas_device_put(sas_device);
- continue;
- }
- }
-
- sas_device_make_active(ioc, sas_device);
- sas_device_put(sas_device);
- }
-}
-
-/**
- * _scsih_probe_devices - probing for devices
- * @ioc: per adapter object
- *
- * Called during initial loading of the driver.
- */
-static void
-_scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
-{
- u16 volume_mapping_flags;
-
- if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
- return; /* return when IOC doesn't support initiator mode */
-
- _scsih_probe_boot_devices(ioc);
-
- if (ioc->ir_firmware) {
- volume_mapping_flags =
- le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
- MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
- if (volume_mapping_flags ==
- MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
- _scsih_probe_raid(ioc);
- _scsih_probe_sas(ioc);
- } else {
- _scsih_probe_sas(ioc);
- _scsih_probe_raid(ioc);
- }
- } else
- _scsih_probe_sas(ioc);
-}
-
-
-/**
- * _scsih_scan_start - scsi lld callback for .scan_start
- * @shost: SCSI host pointer
- *
- * The shost has the ability to discover targets on its own instead
- * of scanning the entire bus. In our implemention, we will kick off
- * firmware discovery.
- */
-static void
-_scsih_scan_start(struct Scsi_Host *shost)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int rc;
-
- if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
- mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable);
-
- if (disable_discovery > 0)
- return;
-
- ioc->start_scan = 1;
- rc = mpt2sas_port_enable(ioc);
-
- if (rc != 0)
- printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name);
-}
-
-/**
- * _scsih_scan_finished - scsi lld callback for .scan_finished
- * @shost: SCSI host pointer
- * @time: elapsed time of the scan in jiffies
- *
- * This function will be called periodically until it returns 1 with the
- * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
- * we wait for firmware discovery to complete, then return 1.
- */
-static int
-_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- if (disable_discovery > 0) {
- ioc->is_driver_loading = 0;
- ioc->wait_for_discovery_to_complete = 0;
- return 1;
- }
-
- if (time >= (300 * HZ)) {
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
- printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout "
- "(timeout=300s)\n", ioc->name);
- ioc->is_driver_loading = 0;
- return 1;
- }
-
- if (ioc->start_scan)
- return 0;
-
- if (ioc->start_scan_failed) {
- printk(MPT2SAS_INFO_FMT "port enable: FAILED with "
- "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed);
- ioc->is_driver_loading = 0;
- ioc->wait_for_discovery_to_complete = 0;
- ioc->remove_host = 1;
- return 1;
- }
-
- printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name);
- ioc->base_cmds.status = MPT2_CMD_NOT_USED;
-
- if (ioc->wait_for_discovery_to_complete) {
- ioc->wait_for_discovery_to_complete = 0;
- _scsih_probe_devices(ioc);
- }
- mpt2sas_base_start_watchdog(ioc);
- ioc->is_driver_loading = 0;
- return 1;
-}
-
-
-/**
- * _scsih_probe - attach and add scsi host
- * @pdev: PCI device struct
- * @id: pci device id
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
- struct MPT2SAS_ADAPTER *ioc;
- struct Scsi_Host *shost;
- int rv;
-
- shost = scsi_host_alloc(&scsih_driver_template,
- sizeof(struct MPT2SAS_ADAPTER));
- if (!shost)
- return -ENODEV;
-
- /* init local params */
- ioc = shost_priv(shost);
- memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
- INIT_LIST_HEAD(&ioc->list);
- spin_lock(&gioc_lock);
- list_add_tail(&ioc->list, &mpt2sas_ioc_list);
- spin_unlock(&gioc_lock);
- ioc->shost = shost;
- ioc->id = mpt_ids++;
- sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
- ioc->pdev = pdev;
- if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) {
- ioc->is_warpdrive = 1;
- ioc->hide_ir_msg = 1;
- } else
- ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
- ioc->scsi_io_cb_idx = scsi_io_cb_idx;
- ioc->tm_cb_idx = tm_cb_idx;
- ioc->ctl_cb_idx = ctl_cb_idx;
- ioc->base_cb_idx = base_cb_idx;
- ioc->port_enable_cb_idx = port_enable_cb_idx;
- ioc->transport_cb_idx = transport_cb_idx;
- ioc->scsih_cb_idx = scsih_cb_idx;
- ioc->config_cb_idx = config_cb_idx;
- ioc->tm_tr_cb_idx = tm_tr_cb_idx;
- ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
- ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
- ioc->logging_level = logging_level;
- ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
- /* misc semaphores and spin locks */
- mutex_init(&ioc->reset_in_progress_mutex);
- /* initializing pci_access_mutex lock */
- mutex_init(&ioc->pci_access_mutex);
- spin_lock_init(&ioc->ioc_reset_in_progress_lock);
- spin_lock_init(&ioc->scsi_lookup_lock);
- spin_lock_init(&ioc->sas_device_lock);
- spin_lock_init(&ioc->sas_node_lock);
- spin_lock_init(&ioc->fw_event_lock);
- spin_lock_init(&ioc->raid_device_lock);
-
- INIT_LIST_HEAD(&ioc->sas_device_list);
- INIT_LIST_HEAD(&ioc->sas_device_init_list);
- INIT_LIST_HEAD(&ioc->sas_expander_list);
- INIT_LIST_HEAD(&ioc->fw_event_list);
- INIT_LIST_HEAD(&ioc->raid_device_list);
- INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
- INIT_LIST_HEAD(&ioc->delayed_tr_list);
- INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
- INIT_LIST_HEAD(&ioc->reply_queue_list);
-
- /* init shost parameters */
- shost->max_cmd_len = 32;
- shost->max_lun = max_lun;
- shost->transportt = mpt2sas_transport_template;
- shost->unique_id = ioc->id;
-
- if (max_sectors != 0xFFFF) {
- if (max_sectors < 64) {
- shost->max_sectors = 64;
- printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
- "for max_sectors, range is 64 to 32767. Assigning "
- "value of 64.\n", ioc->name, max_sectors);
- } else if (max_sectors > 32767) {
- shost->max_sectors = 32767;
- printk(MPT2SAS_WARN_FMT "Invalid value %d passed "
- "for max_sectors, range is 64 to 8192. Assigning "
- "default value of 32767.\n", ioc->name,
- max_sectors);
- } else {
- shost->max_sectors = max_sectors & 0xFFFE;
- printk(MPT2SAS_INFO_FMT "The max_sectors value is "
- "set to %d\n", ioc->name, shost->max_sectors);
- }
- }
-
- /* register EEDP capabilities with SCSI layer */
- if (prot_mask)
- scsi_host_set_prot(shost, prot_mask);
- else
- scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
- | SHOST_DIF_TYPE2_PROTECTION
- | SHOST_DIF_TYPE3_PROTECTION);
-
- scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
-
- /* event thread */
- snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
- "fw_event%d", ioc->id);
- ioc->firmware_event_thread = create_singlethread_workqueue(
- ioc->firmware_event_name);
- if (!ioc->firmware_event_thread) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rv = -ENODEV;
- goto out_thread_fail;
- }
-
- ioc->is_driver_loading = 1;
- if ((mpt2sas_base_attach(ioc))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rv = -ENODEV;
- goto out_attach_fail;
- }
-
- if (ioc->is_warpdrive) {
- if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
- ioc->hide_drives = 0;
- else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
- ioc->hide_drives = 1;
- else {
- if (_scsih_get_num_volumes(ioc))
- ioc->hide_drives = 1;
- else
- ioc->hide_drives = 0;
- }
- } else
- ioc->hide_drives = 0;
-
- rv = scsi_add_host(shost, &pdev->dev);
- if (rv) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_add_shost_fail;
- }
-
- scsi_scan_host(shost);
-
- return 0;
-
- out_add_shost_fail:
- mpt2sas_base_detach(ioc);
- out_attach_fail:
- destroy_workqueue(ioc->firmware_event_thread);
- out_thread_fail:
- spin_lock(&gioc_lock);
- list_del(&ioc->list);
- spin_unlock(&gioc_lock);
- scsi_host_put(shost);
- return rv;
-}
-
-#ifdef CONFIG_PM
-/**
- * _scsih_suspend - power management suspend main entry point
- * @pdev: PCI device struct
- * @state: PM state change to (usually PCI_D3)
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- pci_power_t device_state;
-
- mpt2sas_base_stop_watchdog(ioc);
- scsi_block_requests(shost);
- _scsih_ir_shutdown(ioc);
- device_state = pci_choose_state(pdev, state);
- printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
- "operating state [D%d]\n", ioc->name, pdev,
- pci_name(pdev), device_state);
-
- mpt2sas_base_free_resources(ioc);
- pci_save_state(pdev);
- pci_set_power_state(pdev, device_state);
- return 0;
-}
-
-/**
- * _scsih_resume - power management resume main entry point
- * @pdev: PCI device struct
- *
- * Returns 0 success, anything else error.
- */
-static int
-_scsih_resume(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- pci_power_t device_state = pdev->current_state;
- int r;
-
- printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
- "operating state [D%d]\n", ioc->name, pdev,
- pci_name(pdev), device_state);
-
- pci_set_power_state(pdev, PCI_D0);
- pci_enable_wake(pdev, PCI_D0, 0);
- pci_restore_state(pdev);
- ioc->pdev = pdev;
- r = mpt2sas_base_map_resources(ioc);
- if (r)
- return r;
-
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
- scsi_unblock_requests(shost);
- mpt2sas_base_start_watchdog(ioc);
- return 0;
-}
-#endif /* CONFIG_PM */
-
-/**
- * _scsih_pci_error_detected - Called when a PCI error is detected.
- * @pdev: PCI device struct
- * @state: PCI channel state
- *
- * Description: Called when a PCI error is detected.
- *
- * Return value:
- * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
- */
-static pci_ers_result_t
-_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
- ioc->name, state);
-
- switch (state) {
- case pci_channel_io_normal:
- return PCI_ERS_RESULT_CAN_RECOVER;
- case pci_channel_io_frozen:
- /* Fatal error, prepare for slot reset */
- ioc->pci_error_recovery = 1;
- scsi_block_requests(ioc->shost);
- mpt2sas_base_stop_watchdog(ioc);
- mpt2sas_base_free_resources(ioc);
- return PCI_ERS_RESULT_NEED_RESET;
- case pci_channel_io_perm_failure:
- /* Permanent error, prepare for device removal */
- ioc->pci_error_recovery = 1;
- mpt2sas_base_stop_watchdog(ioc);
- _scsih_flush_running_cmds(ioc);
- return PCI_ERS_RESULT_DISCONNECT;
- }
- return PCI_ERS_RESULT_NEED_RESET;
-}
-
-/**
- * _scsih_pci_slot_reset - Called when PCI slot has been reset.
- * @pdev: PCI device struct
- *
- * Description: This routine is called by the pci error recovery
- * code after the PCI slot has been reset, just before we
- * should resume normal operations.
- */
-static pci_ers_result_t
-_scsih_pci_slot_reset(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- int rc;
-
- printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
- ioc->name);
-
- ioc->pci_error_recovery = 0;
- ioc->pdev = pdev;
- pci_restore_state(pdev);
- rc = mpt2sas_base_map_resources(ioc);
- if (rc)
- return PCI_ERS_RESULT_DISCONNECT;
-
-
- rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
-
- printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
- (rc == 0) ? "success" : "failed");
-
- if (!rc)
- return PCI_ERS_RESULT_RECOVERED;
- else
- return PCI_ERS_RESULT_DISCONNECT;
-}
-
-/**
- * _scsih_pci_resume() - resume normal ops after PCI reset
- * @pdev: pointer to PCI device
- *
- * Called when the error recovery driver tells us that its
- * OK to resume normal operation. Use completion to allow
- * halted scsi ops to resume.
- */
-static void
-_scsih_pci_resume(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
-
- pci_cleanup_aer_uncorrect_error_status(pdev);
- mpt2sas_base_start_watchdog(ioc);
- scsi_unblock_requests(ioc->shost);
-}
-
-/**
- * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
- * @pdev: pointer to PCI device
- */
-static pci_ers_result_t
-_scsih_pci_mmio_enabled(struct pci_dev *pdev)
-{
- struct Scsi_Host *shost = pci_get_drvdata(pdev);
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
-
- printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
- ioc->name);
-
- /* TODO - dump whatever for debugging purposes */
-
- /* Request a slot reset. */
- return PCI_ERS_RESULT_NEED_RESET;
-}
-
-static const struct pci_error_handlers _scsih_err_handler = {
- .error_detected = _scsih_pci_error_detected,
- .mmio_enabled = _scsih_pci_mmio_enabled,
- .slot_reset = _scsih_pci_slot_reset,
- .resume = _scsih_pci_resume,
-};
-
-static struct pci_driver scsih_driver = {
- .name = MPT2SAS_DRIVER_NAME,
- .id_table = scsih_pci_table,
- .probe = _scsih_probe,
- .remove = _scsih_remove,
- .shutdown = _scsih_shutdown,
- .err_handler = &_scsih_err_handler,
-#ifdef CONFIG_PM
- .suspend = _scsih_suspend,
- .resume = _scsih_resume,
-#endif
-};
-
-/* raid transport support */
-static struct raid_function_template mpt2sas_raid_functions = {
- .cookie = &scsih_driver_template,
- .is_raid = _scsih_is_raid,
- .get_resync = _scsih_get_resync,
- .get_state = _scsih_get_state,
-};
-
-/**
- * _scsih_init - main entry point for this driver.
- *
- * Returns 0 success, anything else error.
- */
-static int __init
-_scsih_init(void)
-{
- int error;
-
- mpt_ids = 0;
- printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
- MPT2SAS_DRIVER_VERSION);
-
- mpt2sas_transport_template =
- sas_attach_transport(&mpt2sas_transport_functions);
- if (!mpt2sas_transport_template)
- return -ENODEV;
- /* raid transport support */
- mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
- if (!mpt2sas_raid_template) {
- sas_release_transport(mpt2sas_transport_template);
- return -ENODEV;
- }
-
- mpt2sas_base_initialize_callback_handler();
-
- /* queuecommand callback hander */
- scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
-
- /* task management callback handler */
- tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
-
- /* base internal commands callback handler */
- base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
- port_enable_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_port_enable_done);
-
- /* transport internal commands callback handler */
- transport_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_transport_done);
-
- /* scsih internal commands callback handler */
- scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
-
- /* configuration page API internal commands callback handler */
- config_cb_idx = mpt2sas_base_register_callback_handler(
- mpt2sas_config_done);
-
- /* ctl module callback handler */
- ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
-
- tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_tm_tr_complete);
-
- tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_tm_volume_tr_complete);
-
- tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
- _scsih_sas_control_complete);
-
- mpt2sas_ctl_init();
-
- error = pci_register_driver(&scsih_driver);
- if (error) {
- /* raid transport support */
- raid_class_release(mpt2sas_raid_template);
- sas_release_transport(mpt2sas_transport_template);
- }
-
- return error;
-}
-
-/**
- * _scsih_exit - exit point for this driver (when it is a module).
- *
- * Returns 0 success, anything else error.
- */
-static void __exit
-_scsih_exit(void)
-{
- printk(KERN_INFO "mpt2sas version %s unloading\n",
- MPT2SAS_DRIVER_VERSION);
-
- pci_unregister_driver(&scsih_driver);
-
- mpt2sas_ctl_exit();
-
- mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
- mpt2sas_base_release_callback_handler(tm_cb_idx);
- mpt2sas_base_release_callback_handler(base_cb_idx);
- mpt2sas_base_release_callback_handler(port_enable_cb_idx);
- mpt2sas_base_release_callback_handler(transport_cb_idx);
- mpt2sas_base_release_callback_handler(scsih_cb_idx);
- mpt2sas_base_release_callback_handler(config_cb_idx);
- mpt2sas_base_release_callback_handler(ctl_cb_idx);
-
- mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
- mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
- mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
-
- /* raid transport support */
- raid_class_release(mpt2sas_raid_template);
- sas_release_transport(mpt2sas_transport_template);
-
-}
-
-module_init(_scsih_init);
-module_exit(_scsih_exit);
+++ /dev/null
-/*
- * SAS Transport Layer for MPT (Message Passing Technology) based controllers
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_transport.c
- * Copyright (C) 2007-2014 LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- * (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include <scsi/scsi.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_host.h>
-#include <scsi/scsi_transport_sas.h>
-#include <scsi/scsi_dbg.h>
-
-#include "mpt2sas_base.h"
-/**
- * _transport_sas_node_find_by_sas_address - sas node search
- * @ioc: per adapter object
- * @sas_address: sas address of expander or sas host
- * Context: Calling function should acquire ioc->sas_node_lock.
- *
- * Search for either hba phys or expander device based on handle, then returns
- * the sas_node object.
- */
-static struct _sas_node *
-_transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address)
-{
- if (ioc->sas_hba.sas_address == sas_address)
- return &ioc->sas_hba;
- else
- return mpt2sas_scsih_expander_find_by_sas_address(ioc,
- sas_address);
-}
-
-/**
- * _transport_convert_phy_link_rate -
- * @link_rate: link rate returned from mpt firmware
- *
- * Convert link_rate from mpi fusion into sas_transport form.
- */
-static enum sas_linkrate
-_transport_convert_phy_link_rate(u8 link_rate)
-{
- enum sas_linkrate rc;
-
- switch (link_rate) {
- case MPI2_SAS_NEG_LINK_RATE_1_5:
- rc = SAS_LINK_RATE_1_5_GBPS;
- break;
- case MPI2_SAS_NEG_LINK_RATE_3_0:
- rc = SAS_LINK_RATE_3_0_GBPS;
- break;
- case MPI2_SAS_NEG_LINK_RATE_6_0:
- rc = SAS_LINK_RATE_6_0_GBPS;
- break;
- case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED:
- rc = SAS_PHY_DISABLED;
- break;
- case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED:
- rc = SAS_LINK_RATE_FAILED;
- break;
- case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR:
- rc = SAS_SATA_PORT_SELECTOR;
- break;
- case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS:
- rc = SAS_PHY_RESET_IN_PROGRESS;
- break;
- default:
- case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE:
- case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE:
- rc = SAS_LINK_RATE_UNKNOWN;
- break;
- }
- return rc;
-}
-
-/**
- * _transport_set_identify - set identify for phys and end devices
- * @ioc: per adapter object
- * @handle: device handle
- * @identify: sas identify info
- *
- * Populates sas identify info.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- struct sas_identify *identify)
-{
- Mpi2SasDevicePage0_t sas_device_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u32 device_info;
- u32 ioc_status;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- return -EFAULT;
- }
-
- if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
- MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
-
- ioc->name, __FILE__, __LINE__, __func__);
- return -ENXIO;
- }
-
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
- "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
- __FILE__, __LINE__, __func__);
- return -EIO;
- }
-
- memset(identify, 0, sizeof(struct sas_identify));
- device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
-
- /* sas_address */
- identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
-
- /* phy number of the parent device this device is linked to */
- identify->phy_identifier = sas_device_pg0.PhyNum;
-
- /* device_type */
- switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
- case MPI2_SAS_DEVICE_INFO_NO_DEVICE:
- identify->device_type = SAS_PHY_UNUSED;
- break;
- case MPI2_SAS_DEVICE_INFO_END_DEVICE:
- identify->device_type = SAS_END_DEVICE;
- break;
- case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER:
- identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
- break;
- case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER:
- identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
- break;
- }
-
- /* initiator_port_protocols */
- if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR)
- identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
- if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR)
- identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
- if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR)
- identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
- if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST)
- identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
-
- /* target_port_protocols */
- if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)
- identify->target_port_protocols |= SAS_PROTOCOL_SSP;
- if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
- identify->target_port_protocols |= SAS_PROTOCOL_STP;
- if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET)
- identify->target_port_protocols |= SAS_PROTOCOL_SMP;
- if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
- identify->target_port_protocols |= SAS_PROTOCOL_SATA;
-
- return 0;
-}
-
-/**
- * mpt2sas_transport_done - internal transport layer callback handler.
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- *
- * Callback handler when sending internal generated transport cmds.
- * The callback index passed is `ioc->transport_cb_idx`
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
- */
-u8
-mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
- u32 reply)
-{
- MPI2DefaultReply_t *mpi_reply;
-
- mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
- if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED)
- return 1;
- if (ioc->transport_cmds.smid != smid)
- return 1;
- ioc->transport_cmds.status |= MPT2_CMD_COMPLETE;
- if (mpi_reply) {
- memcpy(ioc->transport_cmds.reply, mpi_reply,
- mpi_reply->MsgLength*4);
- ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID;
- }
- ioc->transport_cmds.status &= ~MPT2_CMD_PENDING;
- complete(&ioc->transport_cmds.done);
- return 1;
-}
-
-/* report manufacture request structure */
-struct rep_manu_request{
- u8 smp_frame_type;
- u8 function;
- u8 reserved;
- u8 request_length;
-};
-
-/* report manufacture reply structure */
-struct rep_manu_reply{
- u8 smp_frame_type; /* 0x41 */
- u8 function; /* 0x01 */
- u8 function_result;
- u8 response_length;
- u16 expander_change_count;
- u8 reserved0[2];
- u8 sas_format;
- u8 reserved2[3];
- u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
- u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
- u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
- u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
- u16 component_id;
- u8 component_revision_id;
- u8 reserved3;
- u8 vendor_specific[8];
-};
-
-/**
- * _transport_expander_report_manufacture - obtain SMP report_manufacture
- * @ioc: per adapter object
- * @sas_address: expander sas address
- * @edev: the sas_expander_device object
- *
- * Fills in the sas_expander_device object when SMP port is created.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address, struct sas_expander_device *edev)
-{
- Mpi2SmpPassthroughRequest_t *mpi_request;
- Mpi2SmpPassthroughReply_t *mpi_reply;
- struct rep_manu_reply *manufacture_reply;
- struct rep_manu_request *manufacture_request;
- int rc;
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- void *psge;
- u32 sgl_flags;
- u8 issue_reset = 0;
- void *data_out = NULL;
- dma_addr_t data_out_dma;
- u32 sz;
- u16 wait_state_count;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- return -EFAULT;
- }
-
- mutex_lock(&ioc->transport_cmds.mutex);
-
- if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
- ioc->transport_cmds.status = MPT2_CMD_PENDING;
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- rc = 0;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->transport_cmds.smid = smid;
-
- sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
- data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
-
- if (!data_out) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- rc = -ENOMEM;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
-
- manufacture_request = data_out;
- manufacture_request->smp_frame_type = 0x40;
- manufacture_request->function = 1;
- manufacture_request->reserved = 0;
- manufacture_request->request_length = 0;
-
- memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
- mpi_request->PhysicalPort = 0xFF;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- mpi_request->SASAddress = cpu_to_le64(sas_address);
- mpi_request->RequestDataLength =
- cpu_to_le16(sizeof(struct rep_manu_request));
- psge = &mpi_request->SGL;
-
- /* WRITE sgel first */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct rep_manu_request), data_out_dma);
-
- /* incr sgel */
- psge += ioc->sge_size;
-
- /* READ sgel last */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct rep_manu_reply), data_out_dma +
- sizeof(struct rep_manu_request));
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
- "send to sas_addr(0x%016llx)\n", ioc->name,
- (unsigned long long)sas_address));
- init_completion(&ioc->transport_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
- 10*HZ);
-
- if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SmpPassthroughRequest_t)/4);
- if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
- "complete\n", ioc->name));
-
- if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
- u8 *tmp;
-
- mpi_reply = ioc->transport_cmds.reply;
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "report_manufacture - reply data transfer size(%d)\n",
- ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
-
- if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
- sizeof(struct rep_manu_reply))
- goto out;
-
- manufacture_reply = data_out + sizeof(struct rep_manu_request);
- strncpy(edev->vendor_id, manufacture_reply->vendor_id,
- SAS_EXPANDER_VENDOR_ID_LEN);
- strncpy(edev->product_id, manufacture_reply->product_id,
- SAS_EXPANDER_PRODUCT_ID_LEN);
- strncpy(edev->product_rev, manufacture_reply->product_rev,
- SAS_EXPANDER_PRODUCT_REV_LEN);
- edev->level = manufacture_reply->sas_format & 1;
- if (edev->level) {
- strncpy(edev->component_vendor_id,
- manufacture_reply->component_vendor_id,
- SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
- tmp = (u8 *)&manufacture_reply->component_id;
- edev->component_id = tmp[0] << 8 | tmp[1];
- edev->component_revision_id =
- manufacture_reply->component_revision_id;
- }
- } else
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "report_manufacture - no reply\n", ioc->name));
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- out:
- ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
- if (data_out)
- pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
-
- mutex_unlock(&ioc->transport_cmds.mutex);
- return rc;
-}
-
-/**
- * _transport_delete_port - helper function to removing a port
- * @ioc: per adapter object
- * @mpt2sas_port: mpt2sas per port object
- *
- * Returns nothing.
- */
-static void
-_transport_delete_port(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_port *mpt2sas_port)
-{
- u64 sas_address = mpt2sas_port->remote_identify.sas_address;
- enum sas_device_type device_type =
- mpt2sas_port->remote_identify.device_type;
-
- dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
- "remove: sas_addr(0x%016llx)\n",
- (unsigned long long) sas_address);
-
- ioc->logging_level |= MPT_DEBUG_TRANSPORT;
- if (device_type == SAS_END_DEVICE)
- mpt2sas_device_remove_by_sas_address(ioc, sas_address);
- else if (device_type == SAS_EDGE_EXPANDER_DEVICE ||
- device_type == SAS_FANOUT_EXPANDER_DEVICE)
- mpt2sas_expander_remove(ioc, sas_address);
- ioc->logging_level &= ~MPT_DEBUG_TRANSPORT;
-}
-
-/**
- * _transport_delete_phy - helper function to removing single phy from port
- * @ioc: per adapter object
- * @mpt2sas_port: mpt2sas per port object
- * @mpt2sas_phy: mpt2sas per phy object
- *
- * Returns nothing.
- */
-static void
-_transport_delete_phy(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy)
-{
- u64 sas_address = mpt2sas_port->remote_identify.sas_address;
-
- dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
- "remove: sas_addr(0x%016llx), phy(%d)\n",
- (unsigned long long) sas_address, mpt2sas_phy->phy_id);
-
- list_del(&mpt2sas_phy->port_siblings);
- mpt2sas_port->num_phys--;
- sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
- mpt2sas_phy->phy_belongs_to_port = 0;
-}
-
-/**
- * _transport_add_phy - helper function to adding single phy to port
- * @ioc: per adapter object
- * @mpt2sas_port: mpt2sas per port object
- * @mpt2sas_phy: mpt2sas per phy object
- *
- * Returns nothing.
- */
-static void
-_transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port,
- struct _sas_phy *mpt2sas_phy)
-{
- u64 sas_address = mpt2sas_port->remote_identify.sas_address;
-
- dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
- "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long)
- sas_address, mpt2sas_phy->phy_id);
-
- list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list);
- mpt2sas_port->num_phys++;
- sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy);
- mpt2sas_phy->phy_belongs_to_port = 1;
-}
-
-/**
- * _transport_add_phy_to_an_existing_port - adding new phy to existing port
- * @ioc: per adapter object
- * @sas_node: sas node object (either expander or sas host)
- * @mpt2sas_phy: mpt2sas per phy object
- * @sas_address: sas address of device/expander were phy needs to be added to
- *
- * Returns nothing.
- */
-static void
-_transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
-struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address)
-{
- struct _sas_port *mpt2sas_port;
- struct _sas_phy *phy_srch;
-
- if (mpt2sas_phy->phy_belongs_to_port == 1)
- return;
-
- list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list,
- port_list) {
- if (mpt2sas_port->remote_identify.sas_address !=
- sas_address)
- continue;
- list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
- port_siblings) {
- if (phy_srch == mpt2sas_phy)
- return;
- }
- _transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy);
- return;
- }
-
-}
-
-/**
- * _transport_del_phy_from_an_existing_port - delete phy from existing port
- * @ioc: per adapter object
- * @sas_node: sas node object (either expander or sas host)
- * @mpt2sas_phy: mpt2sas per phy object
- *
- * Returns nothing.
- */
-static void
-_transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
- struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy)
-{
- struct _sas_port *mpt2sas_port, *next;
- struct _sas_phy *phy_srch;
-
- if (mpt2sas_phy->phy_belongs_to_port == 0)
- return;
-
- list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
- port_list) {
- list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
- port_siblings) {
- if (phy_srch != mpt2sas_phy)
- continue;
- if (mpt2sas_port->num_phys == 1)
- _transport_delete_port(ioc, mpt2sas_port);
- else
- _transport_delete_phy(ioc, mpt2sas_port,
- mpt2sas_phy);
- return;
- }
- }
-}
-
-/**
- * _transport_sanity_check - sanity check when adding a new port
- * @ioc: per adapter object
- * @sas_node: sas node object (either expander or sas host)
- * @sas_address: sas address of device being added
- *
- * See the explanation above from _transport_delete_duplicate_port
- */
-static void
-_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node,
- u64 sas_address)
-{
- int i;
-
- for (i = 0; i < sas_node->num_phys; i++) {
- if (sas_node->phy[i].remote_identify.sas_address != sas_address)
- continue;
- if (sas_node->phy[i].phy_belongs_to_port == 1)
- _transport_del_phy_from_an_existing_port(ioc, sas_node,
- &sas_node->phy[i]);
- }
-}
-
-/**
- * mpt2sas_transport_port_add - insert port to the list
- * @ioc: per adapter object
- * @handle: handle of attached device
- * @sas_address: sas address of parent expander or sas host
- * Context: This function will acquire ioc->sas_node_lock.
- *
- * Adding new port object to the sas_node->sas_port_list.
- *
- * Returns mpt2sas_port.
- */
-struct _sas_port *
-mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
- u64 sas_address)
-{
- struct _sas_phy *mpt2sas_phy, *next;
- struct _sas_port *mpt2sas_port;
- unsigned long flags;
- struct _sas_node *sas_node;
- struct sas_rphy *rphy;
- int i;
- struct sas_port *port;
-
- mpt2sas_port = kzalloc(sizeof(struct _sas_port),
- GFP_KERNEL);
- if (!mpt2sas_port) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return NULL;
- }
-
- INIT_LIST_HEAD(&mpt2sas_port->port_list);
- INIT_LIST_HEAD(&mpt2sas_port->phy_list);
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- if (!sas_node) {
- printk(MPT2SAS_ERR_FMT "%s: Could not find "
- "parent sas_address(0x%016llx)!\n", ioc->name,
- __func__, (unsigned long long)sas_address);
- goto out_fail;
- }
-
- if ((_transport_set_identify(ioc, handle,
- &mpt2sas_port->remote_identify))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_fail;
- }
-
- if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_fail;
- }
-
- _transport_sanity_check(ioc, sas_node,
- mpt2sas_port->remote_identify.sas_address);
-
- for (i = 0; i < sas_node->num_phys; i++) {
- if (sas_node->phy[i].remote_identify.sas_address !=
- mpt2sas_port->remote_identify.sas_address)
- continue;
- list_add_tail(&sas_node->phy[i].port_siblings,
- &mpt2sas_port->phy_list);
- mpt2sas_port->num_phys++;
- }
-
- if (!mpt2sas_port->num_phys) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_fail;
- }
-
- port = sas_port_alloc_num(sas_node->parent_dev);
- if ((sas_port_add(port))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- goto out_fail;
- }
-
- list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list,
- port_siblings) {
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)"
- ", sas_addr(0x%016llx), phy(%d)\n", handle,
- (unsigned long long)
- mpt2sas_port->remote_identify.sas_address,
- mpt2sas_phy->phy_id);
- sas_port_add_phy(port, mpt2sas_phy->phy);
- mpt2sas_phy->phy_belongs_to_port = 1;
- }
-
- mpt2sas_port->port = port;
- if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE)
- rphy = sas_end_device_alloc(port);
- else
- rphy = sas_expander_alloc(port,
- mpt2sas_port->remote_identify.device_type);
-
- rphy->identify = mpt2sas_port->remote_identify;
- if ((sas_rphy_add(rphy))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- }
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), "
- "sas_addr(0x%016llx)\n", handle,
- (unsigned long long)
- mpt2sas_port->remote_identify.sas_address);
- mpt2sas_port->rphy = rphy;
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list);
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- /* fill in report manufacture */
- if (mpt2sas_port->remote_identify.device_type ==
- MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
- mpt2sas_port->remote_identify.device_type ==
- MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER)
- _transport_expander_report_manufacture(ioc,
- mpt2sas_port->remote_identify.sas_address,
- rphy_to_expander_device(rphy));
-
- return mpt2sas_port;
-
- out_fail:
- list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list,
- port_siblings)
- list_del(&mpt2sas_phy->port_siblings);
- kfree(mpt2sas_port);
- return NULL;
-}
-
-/**
- * mpt2sas_transport_port_remove - remove port from the list
- * @ioc: per adapter object
- * @sas_address: sas address of attached device
- * @sas_address_parent: sas address of parent expander or sas host
- * Context: This function will acquire ioc->sas_node_lock.
- *
- * Removing object and freeing associated memory from the
- * ioc->sas_port_list.
- *
- * Return nothing.
- */
-void
-mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
- u64 sas_address_parent)
-{
- int i;
- unsigned long flags;
- struct _sas_port *mpt2sas_port, *next;
- struct _sas_node *sas_node;
- u8 found = 0;
- struct _sas_phy *mpt2sas_phy, *next_phy;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_node = _transport_sas_node_find_by_sas_address(ioc,
- sas_address_parent);
- if (!sas_node) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return;
- }
- list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
- port_list) {
- if (mpt2sas_port->remote_identify.sas_address != sas_address)
- continue;
- found = 1;
- list_del(&mpt2sas_port->port_list);
- goto out;
- }
- out:
- if (!found) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return;
- }
-
- for (i = 0; i < sas_node->num_phys; i++) {
- if (sas_node->phy[i].remote_identify.sas_address == sas_address)
- memset(&sas_node->phy[i].remote_identify, 0 ,
- sizeof(struct sas_identify));
- }
-
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- list_for_each_entry_safe(mpt2sas_phy, next_phy,
- &mpt2sas_port->phy_list, port_siblings) {
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
- "remove: sas_addr(0x%016llx), phy(%d)\n",
- (unsigned long long)
- mpt2sas_port->remote_identify.sas_address,
- mpt2sas_phy->phy_id);
- mpt2sas_phy->phy_belongs_to_port = 0;
- sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
- list_del(&mpt2sas_phy->port_siblings);
- }
- sas_port_delete(mpt2sas_port->port);
- kfree(mpt2sas_port);
-}
-
-/**
- * mpt2sas_transport_add_host_phy - report sas_host phy to transport
- * @ioc: per adapter object
- * @mpt2sas_phy: mpt2sas per phy object
- * @phy_pg0: sas phy page 0
- * @parent_dev: parent device class object
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
- *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev)
-{
- struct sas_phy *phy;
- int phy_index = mpt2sas_phy->phy_id;
-
-
- INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
- phy = sas_phy_alloc(parent_dev, phy_index);
- if (!phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
- &mpt2sas_phy->identify))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- phy->identify = mpt2sas_phy->identify;
- mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle);
- if (mpt2sas_phy->attached_handle)
- _transport_set_identify(ioc, mpt2sas_phy->attached_handle,
- &mpt2sas_phy->remote_identify);
- phy->identify.phy_identifier = mpt2sas_phy->phy_id;
- phy->negotiated_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
- phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
- phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
- phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
- phy_pg0.HwLinkRate >> 4);
- phy->minimum_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
- phy->maximum_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.ProgrammedLinkRate >> 4);
-
- if ((sas_phy_add(phy))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- sas_phy_free(phy);
- return -1;
- }
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &phy->dev,
- "add: handle(0x%04x), sas_addr(0x%016llx)\n"
- "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
- mpt2sas_phy->handle, (unsigned long long)
- mpt2sas_phy->identify.sas_address,
- mpt2sas_phy->attached_handle,
- (unsigned long long)
- mpt2sas_phy->remote_identify.sas_address);
- mpt2sas_phy->phy = phy;
- return 0;
-}
-
-
-/**
- * mpt2sas_transport_add_expander_phy - report expander phy to transport
- * @ioc: per adapter object
- * @mpt2sas_phy: mpt2sas per phy object
- * @expander_pg1: expander page 1
- * @parent_dev: parent device class object
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
- *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev)
-{
- struct sas_phy *phy;
- int phy_index = mpt2sas_phy->phy_id;
-
- INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
- phy = sas_phy_alloc(parent_dev, phy_index);
- if (!phy) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
- &mpt2sas_phy->identify))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -1;
- }
- phy->identify = mpt2sas_phy->identify;
- mpt2sas_phy->attached_handle =
- le16_to_cpu(expander_pg1.AttachedDevHandle);
- if (mpt2sas_phy->attached_handle)
- _transport_set_identify(ioc, mpt2sas_phy->attached_handle,
- &mpt2sas_phy->remote_identify);
- phy->identify.phy_identifier = mpt2sas_phy->phy_id;
- phy->negotiated_linkrate = _transport_convert_phy_link_rate(
- expander_pg1.NegotiatedLinkRate &
- MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
- phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
- expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
- phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
- expander_pg1.HwLinkRate >> 4);
- phy->minimum_linkrate = _transport_convert_phy_link_rate(
- expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
- phy->maximum_linkrate = _transport_convert_phy_link_rate(
- expander_pg1.ProgrammedLinkRate >> 4);
-
- if ((sas_phy_add(phy))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- sas_phy_free(phy);
- return -1;
- }
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &phy->dev,
- "add: handle(0x%04x), sas_addr(0x%016llx)\n"
- "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
- mpt2sas_phy->handle, (unsigned long long)
- mpt2sas_phy->identify.sas_address,
- mpt2sas_phy->attached_handle,
- (unsigned long long)
- mpt2sas_phy->remote_identify.sas_address);
- mpt2sas_phy->phy = phy;
- return 0;
-}
-
-/**
- * mpt2sas_transport_update_links - refreshing phy link changes
- * @ioc: per adapter object
- * @sas_address: sas address of parent expander or sas host
- * @handle: attached device handle
- * @phy_numberv: phy number
- * @link_rate: new link rate
- *
- * Returns nothing.
- */
-void
-mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
- u64 sas_address, u16 handle, u8 phy_number, u8 link_rate)
-{
- unsigned long flags;
- struct _sas_node *sas_node;
- struct _sas_phy *mpt2sas_phy;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery)
- return;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
- if (!sas_node) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return;
- }
-
- mpt2sas_phy = &sas_node->phy[phy_number];
- mpt2sas_phy->attached_handle = handle;
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) {
- _transport_set_identify(ioc, handle,
- &mpt2sas_phy->remote_identify);
- _transport_add_phy_to_an_existing_port(ioc, sas_node,
- mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
- } else
- memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
- sas_identify));
-
- if (mpt2sas_phy->phy)
- mpt2sas_phy->phy->negotiated_linkrate =
- _transport_convert_phy_link_rate(link_rate);
-
- if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
- dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
- "refresh: parent sas_addr(0x%016llx),\n"
- "\tlink_rate(0x%02x), phy(%d)\n"
- "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
- (unsigned long long)sas_address,
- link_rate, phy_number, handle, (unsigned long long)
- mpt2sas_phy->remote_identify.sas_address);
-}
-
-static inline void *
-phy_to_ioc(struct sas_phy *phy)
-{
- struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
- return shost_priv(shost);
-}
-
-static inline void *
-rphy_to_ioc(struct sas_rphy *rphy)
-{
- struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
- return shost_priv(shost);
-}
-
-
-/* report phy error log structure */
-struct phy_error_log_request{
- u8 smp_frame_type; /* 0x40 */
- u8 function; /* 0x11 */
- u8 allocated_response_length;
- u8 request_length; /* 02 */
- u8 reserved_1[5];
- u8 phy_identifier;
- u8 reserved_2[2];
-};
-
-/* report phy error log reply structure */
-struct phy_error_log_reply{
- u8 smp_frame_type; /* 0x41 */
- u8 function; /* 0x11 */
- u8 function_result;
- u8 response_length;
- __be16 expander_change_count;
- u8 reserved_1[3];
- u8 phy_identifier;
- u8 reserved_2[2];
- __be32 invalid_dword;
- __be32 running_disparity_error;
- __be32 loss_of_dword_sync;
- __be32 phy_reset_problem;
-};
-
-/**
- * _transport_get_expander_phy_error_log - return expander counters
- * @ioc: per adapter object
- * @phy: The sas phy object
- *
- * Returns 0 for success, non-zero for failure.
- *
- */
-static int
-_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
- struct sas_phy *phy)
-{
- Mpi2SmpPassthroughRequest_t *mpi_request;
- Mpi2SmpPassthroughReply_t *mpi_reply;
- struct phy_error_log_request *phy_error_log_request;
- struct phy_error_log_reply *phy_error_log_reply;
- int rc;
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- void *psge;
- u32 sgl_flags;
- u8 issue_reset = 0;
- void *data_out = NULL;
- dma_addr_t data_out_dma;
- u32 sz;
- u16 wait_state_count;
-
- if (ioc->shost_recovery || ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- return -EFAULT;
- }
-
- mutex_lock(&ioc->transport_cmds.mutex);
-
- if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
- ioc->transport_cmds.status = MPT2_CMD_PENDING;
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->transport_cmds.smid = smid;
-
- sz = sizeof(struct phy_error_log_request) +
- sizeof(struct phy_error_log_reply);
- data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
- if (!data_out) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- rc = -ENOMEM;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
-
- rc = -EINVAL;
- memset(data_out, 0, sz);
- phy_error_log_request = data_out;
- phy_error_log_request->smp_frame_type = 0x40;
- phy_error_log_request->function = 0x11;
- phy_error_log_request->request_length = 2;
- phy_error_log_request->allocated_response_length = 0;
- phy_error_log_request->phy_identifier = phy->number;
-
- memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
- mpi_request->PhysicalPort = 0xFF;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
- mpi_request->RequestDataLength =
- cpu_to_le16(sizeof(struct phy_error_log_request));
- psge = &mpi_request->SGL;
-
- /* WRITE sgel first */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct phy_error_log_request), data_out_dma);
-
- /* incr sgel */
- psge += ioc->sge_size;
-
- /* READ sgel last */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct phy_error_log_reply), data_out_dma +
- sizeof(struct phy_error_log_request));
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
- "send to sas_addr(0x%016llx), phy(%d)\n", ioc->name,
- (unsigned long long)phy->identify.sas_address, phy->number));
- init_completion(&ioc->transport_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
- 10*HZ);
-
- if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SmpPassthroughRequest_t)/4);
- if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
- "complete\n", ioc->name));
-
- if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
-
- mpi_reply = ioc->transport_cmds.reply;
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_error_log - reply data transfer size(%d)\n",
- ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
-
- if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
- sizeof(struct phy_error_log_reply))
- goto out;
-
- phy_error_log_reply = data_out +
- sizeof(struct phy_error_log_request);
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_error_log - function_result(%d)\n",
- ioc->name, phy_error_log_reply->function_result));
-
- phy->invalid_dword_count =
- be32_to_cpu(phy_error_log_reply->invalid_dword);
- phy->running_disparity_error_count =
- be32_to_cpu(phy_error_log_reply->running_disparity_error);
- phy->loss_of_dword_sync_count =
- be32_to_cpu(phy_error_log_reply->loss_of_dword_sync);
- phy->phy_reset_problem_count =
- be32_to_cpu(phy_error_log_reply->phy_reset_problem);
- rc = 0;
- } else
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_error_log - no reply\n", ioc->name));
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- out:
- ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
- if (data_out)
- pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
-
- mutex_unlock(&ioc->transport_cmds.mutex);
- return rc;
-}
-
-/**
- * _transport_get_linkerrors - return phy counters for both hba and expanders
- * @phy: The sas phy object
- *
- * Returns 0 for success, non-zero for failure.
- *
- */
-static int
-_transport_get_linkerrors(struct sas_phy *phy)
-{
- struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
- unsigned long flags;
- Mpi2ConfigReply_t mpi_reply;
- Mpi2SasPhyPage1_t phy_pg1;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- if (_transport_sas_node_find_by_sas_address(ioc,
- phy->identify.sas_address) == NULL) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return -EINVAL;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- if (phy->identify.sas_address != ioc->sas_hba.sas_address)
- return _transport_get_expander_phy_error_log(ioc, phy);
-
- /* get hba phy error logs */
- if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1,
- phy->number))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -ENXIO;
- }
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
- printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
- "(0x%04x), loginfo(0x%08x)\n", ioc->name,
- phy->number, le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo));
-
- phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount);
- phy->running_disparity_error_count =
- le32_to_cpu(phy_pg1.RunningDisparityErrorCount);
- phy->loss_of_dword_sync_count =
- le32_to_cpu(phy_pg1.LossDwordSynchCount);
- phy->phy_reset_problem_count =
- le32_to_cpu(phy_pg1.PhyResetProblemCount);
- return 0;
-}
-
-/**
- * _transport_get_enclosure_identifier -
- * @phy: The sas phy object
- *
- * Obtain the enclosure logical id for an expander.
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
-{
- struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
- struct _sas_device *sas_device;
- unsigned long flags;
- int rc;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- rphy->identify.sas_address);
- if (sas_device) {
- *identifier = sas_device->enclosure_logical_id;
- rc = 0;
- sas_device_put(sas_device);
- } else {
- *identifier = 0;
- rc = -ENXIO;
- }
-
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return rc;
-}
-
-/**
- * _transport_get_bay_identifier -
- * @phy: The sas phy object
- *
- * Returns the slot id for a device that resides inside an enclosure.
- */
-static int
-_transport_get_bay_identifier(struct sas_rphy *rphy)
-{
- struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
- struct _sas_device *sas_device;
- unsigned long flags;
- int rc;
-
- spin_lock_irqsave(&ioc->sas_device_lock, flags);
- sas_device = __mpt2sas_get_sdev_by_addr(ioc,
- rphy->identify.sas_address);
- if (sas_device) {
- rc = sas_device->slot;
- sas_device_put(sas_device);
- } else {
- rc = -ENXIO;
- }
- spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
- return rc;
-}
-
-/* phy control request structure */
-struct phy_control_request{
- u8 smp_frame_type; /* 0x40 */
- u8 function; /* 0x91 */
- u8 allocated_response_length;
- u8 request_length; /* 0x09 */
- u16 expander_change_count;
- u8 reserved_1[3];
- u8 phy_identifier;
- u8 phy_operation;
- u8 reserved_2[13];
- u64 attached_device_name;
- u8 programmed_min_physical_link_rate;
- u8 programmed_max_physical_link_rate;
- u8 reserved_3[6];
-};
-
-/* phy control reply structure */
-struct phy_control_reply{
- u8 smp_frame_type; /* 0x41 */
- u8 function; /* 0x11 */
- u8 function_result;
- u8 response_length;
-};
-
-#define SMP_PHY_CONTROL_LINK_RESET (0x01)
-#define SMP_PHY_CONTROL_HARD_RESET (0x02)
-#define SMP_PHY_CONTROL_DISABLE (0x03)
-
-/**
- * _transport_expander_phy_control - expander phy control
- * @ioc: per adapter object
- * @phy: The sas phy object
- *
- * Returns 0 for success, non-zero for failure.
- *
- */
-static int
-_transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
- struct sas_phy *phy, u8 phy_operation)
-{
- Mpi2SmpPassthroughRequest_t *mpi_request;
- Mpi2SmpPassthroughReply_t *mpi_reply;
- struct phy_control_request *phy_control_request;
- struct phy_control_reply *phy_control_reply;
- int rc;
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- void *psge;
- u32 sgl_flags;
- u8 issue_reset = 0;
- void *data_out = NULL;
- dma_addr_t data_out_dma;
- u32 sz;
- u16 wait_state_count;
-
- if (ioc->shost_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- return -EFAULT;
- }
-
- mutex_lock(&ioc->transport_cmds.mutex);
-
- if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
- ioc->transport_cmds.status = MPT2_CMD_PENDING;
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto out;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto out;
- }
-
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->transport_cmds.smid = smid;
-
- sz = sizeof(struct phy_control_request) +
- sizeof(struct phy_control_reply);
- data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
- if (!data_out) {
- printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
- __LINE__, __func__);
- rc = -ENOMEM;
- mpt2sas_base_free_smid(ioc, smid);
- goto out;
- }
-
- rc = -EINVAL;
- memset(data_out, 0, sz);
- phy_control_request = data_out;
- phy_control_request->smp_frame_type = 0x40;
- phy_control_request->function = 0x91;
- phy_control_request->request_length = 9;
- phy_control_request->allocated_response_length = 0;
- phy_control_request->phy_identifier = phy->number;
- phy_control_request->phy_operation = phy_operation;
- phy_control_request->programmed_min_physical_link_rate =
- phy->minimum_linkrate << 4;
- phy_control_request->programmed_max_physical_link_rate =
- phy->maximum_linkrate << 4;
-
- memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
- mpi_request->PhysicalPort = 0xFF;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
- mpi_request->RequestDataLength =
- cpu_to_le16(sizeof(struct phy_error_log_request));
- psge = &mpi_request->SGL;
-
- /* WRITE sgel first */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct phy_control_request), data_out_dma);
-
- /* incr sgel */
- psge += ioc->sge_size;
-
- /* READ sgel last */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- ioc->base_add_sg_single(psge, sgl_flags |
- sizeof(struct phy_control_reply), data_out_dma +
- sizeof(struct phy_control_request));
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
- "send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name,
- (unsigned long long)phy->identify.sas_address, phy->number,
- phy_operation));
-
- init_completion(&ioc->transport_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
- 10*HZ);
-
- if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s: timeout\n",
- ioc->name, __func__);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SmpPassthroughRequest_t)/4);
- if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
- "complete\n", ioc->name));
-
- if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
-
- mpi_reply = ioc->transport_cmds.reply;
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_control - reply data transfer size(%d)\n",
- ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
-
- if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
- sizeof(struct phy_control_reply))
- goto out;
-
- phy_control_reply = data_out +
- sizeof(struct phy_control_request);
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_control - function_result(%d)\n",
- ioc->name, phy_control_reply->function_result));
-
- rc = 0;
- } else
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "phy_control - no reply\n", ioc->name));
-
- issue_host_reset:
- if (issue_reset)
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- out:
- ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
- if (data_out)
- pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
-
- mutex_unlock(&ioc->transport_cmds.mutex);
- return rc;
-}
-
-/**
- * _transport_phy_reset -
- * @phy: The sas phy object
- * @hard_reset:
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_phy_reset(struct sas_phy *phy, int hard_reset)
-{
- struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
- Mpi2SasIoUnitControlReply_t mpi_reply;
- Mpi2SasIoUnitControlRequest_t mpi_request;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- if (_transport_sas_node_find_by_sas_address(ioc,
- phy->identify.sas_address) == NULL) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return -EINVAL;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- /* handle expander phys */
- if (phy->identify.sas_address != ioc->sas_hba.sas_address)
- return _transport_expander_phy_control(ioc, phy,
- (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET :
- SMP_PHY_CONTROL_LINK_RESET);
-
- /* handle hba phys */
- memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t));
- mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
- mpi_request.Operation = hard_reset ?
- MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET;
- mpi_request.PhyNum = phy->number;
-
- if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- return -ENXIO;
- }
-
- if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
- printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
- "(0x%04x), loginfo(0x%08x)\n", ioc->name,
- phy->number, le16_to_cpu(mpi_reply.IOCStatus),
- le32_to_cpu(mpi_reply.IOCLogInfo));
-
- return 0;
-}
-
-/**
- * _transport_phy_enable - enable/disable phys
- * @phy: The sas phy object
- * @enable: enable phy when true
- *
- * Only support sas_host direct attached phys.
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_phy_enable(struct sas_phy *phy, int enable)
-{
- struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u16 sz;
- int rc = 0;
- unsigned long flags;
- int i, discovery_active;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- if (_transport_sas_node_find_by_sas_address(ioc,
- phy->identify.sas_address) == NULL) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return -EINVAL;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- /* handle expander phys */
- if (phy->identify.sas_address != ioc->sas_hba.sas_address)
- return _transport_expander_phy_control(ioc, phy,
- (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET :
- SMP_PHY_CONTROL_DISABLE);
-
- /* handle hba phys */
-
- /* read sas_iounit page 0 */
- sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit0PhyData_t));
- sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg0) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENOMEM;
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
- sas_iounit_pg0, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENXIO;
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -EIO;
- goto out;
- }
-
- /* unable to enable/disable phys when when discovery is active */
- for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) {
- if (sas_iounit_pg0->PhyData[i].PortFlags &
- MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) {
- printk(MPT2SAS_ERR_FMT "discovery is active on "
- "port = %d, phy = %d: unable to enable/disable "
- "phys, try again later!\n", ioc->name,
- sas_iounit_pg0->PhyData[i].Port, i);
- discovery_active = 1;
- }
- }
-
- if (discovery_active) {
- rc = -EAGAIN;
- goto out;
- }
-
- /* read sas_iounit page 1 */
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENOMEM;
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENXIO;
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -EIO;
- goto out;
- }
- /* copy Port/PortFlags/PhyFlags from page 0 */
- for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
- sas_iounit_pg1->PhyData[i].Port =
- sas_iounit_pg0->PhyData[i].Port;
- sas_iounit_pg1->PhyData[i].PortFlags =
- (sas_iounit_pg0->PhyData[i].PortFlags &
- MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG);
- sas_iounit_pg1->PhyData[i].PhyFlags =
- (sas_iounit_pg0->PhyData[i].PhyFlags &
- (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED +
- MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED));
- }
- if (enable)
- sas_iounit_pg1->PhyData[phy->number].PhyFlags
- &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
- else
- sas_iounit_pg1->PhyData[phy->number].PhyFlags
- |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
-
- mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz);
-
- /* link reset */
- if (enable)
- _transport_phy_reset(phy, 0);
-
- out:
- kfree(sas_iounit_pg1);
- kfree(sas_iounit_pg0);
- return rc;
-}
-
-/**
- * _transport_phy_speed - set phy min/max link rates
- * @phy: The sas phy object
- * @rates: rates defined in sas_phy_linkrates
- *
- * Only support sas_host direct attached phys.
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
-{
- struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
- Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
- Mpi2SasPhyPage0_t phy_pg0;
- Mpi2ConfigReply_t mpi_reply;
- u16 ioc_status;
- u16 sz;
- int i;
- int rc = 0;
- unsigned long flags;
-
- spin_lock_irqsave(&ioc->sas_node_lock, flags);
- if (_transport_sas_node_find_by_sas_address(ioc,
- phy->identify.sas_address) == NULL) {
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
- return -EINVAL;
- }
- spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
-
- if (!rates->minimum_linkrate)
- rates->minimum_linkrate = phy->minimum_linkrate;
- else if (rates->minimum_linkrate < phy->minimum_linkrate_hw)
- rates->minimum_linkrate = phy->minimum_linkrate_hw;
-
- if (!rates->maximum_linkrate)
- rates->maximum_linkrate = phy->maximum_linkrate;
- else if (rates->maximum_linkrate > phy->maximum_linkrate_hw)
- rates->maximum_linkrate = phy->maximum_linkrate_hw;
-
- /* handle expander phys */
- if (phy->identify.sas_address != ioc->sas_hba.sas_address) {
- phy->minimum_linkrate = rates->minimum_linkrate;
- phy->maximum_linkrate = rates->maximum_linkrate;
- return _transport_expander_phy_control(ioc, phy,
- SMP_PHY_CONTROL_LINK_RESET);
- }
-
- /* handle hba phys */
-
- /* sas_iounit page 1 */
- sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
- sizeof(Mpi2SasIOUnit1PhyData_t));
- sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
- if (!sas_iounit_pg1) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENOMEM;
- goto out;
- }
- if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
- sas_iounit_pg1, sz))) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENXIO;
- goto out;
- }
- ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
- MPI2_IOCSTATUS_MASK;
- if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -EIO;
- goto out;
- }
-
- for (i = 0; i < ioc->sas_hba.num_phys; i++) {
- if (phy->number != i) {
- sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
- (ioc->sas_hba.phy[i].phy->minimum_linkrate +
- (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4));
- } else {
- sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
- (rates->minimum_linkrate +
- (rates->maximum_linkrate << 4));
- }
- }
-
- if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
- sz)) {
- printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
- ioc->name, __FILE__, __LINE__, __func__);
- rc = -ENXIO;
- goto out;
- }
-
- /* link reset */
- _transport_phy_reset(phy, 0);
-
- /* read phy page 0, then update the rates in the sas transport phy */
- if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
- phy->number)) {
- phy->minimum_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
- phy->maximum_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.ProgrammedLinkRate >> 4);
- phy->negotiated_linkrate = _transport_convert_phy_link_rate(
- phy_pg0.NegotiatedLinkRate &
- MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
- }
-
- out:
- kfree(sas_iounit_pg1);
- return rc;
-}
-
-
-/**
- * _transport_smp_handler - transport portal for smp passthru
- * @shost: shost object
- * @rphy: sas transport rphy object
- * @req:
- *
- * This used primarily for smp_utils.
- * Example:
- * smp_rep_general /sys/class/bsg/expander-5:0
- */
-static int
-_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
-{
- struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
- Mpi2SmpPassthroughRequest_t *mpi_request;
- Mpi2SmpPassthroughReply_t *mpi_reply;
- int rc;
- u16 smid;
- u32 ioc_state;
- unsigned long timeleft;
- void *psge;
- u32 sgl_flags;
- u8 issue_reset = 0;
- dma_addr_t dma_addr_in = 0;
- dma_addr_t dma_addr_out = 0;
- dma_addr_t pci_dma_in = 0;
- dma_addr_t pci_dma_out = 0;
- void *pci_addr_in = NULL;
- void *pci_addr_out = NULL;
- u16 wait_state_count;
- struct request *rsp = req->next_rq;
- struct bio_vec bvec;
- struct bvec_iter iter;
-
- if (!rsp) {
- printk(MPT2SAS_ERR_FMT "%s: the smp response space is "
- "missing\n", ioc->name, __func__);
- return -EINVAL;
- }
- if (ioc->shost_recovery || ioc->pci_error_recovery) {
- printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
- __func__, ioc->name);
- return -EFAULT;
- }
-
- rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
- if (rc)
- return rc;
-
- if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
- printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name,
- __func__);
- rc = -EAGAIN;
- goto out;
- }
- ioc->transport_cmds.status = MPT2_CMD_PENDING;
-
- /* Check if the request is split across multiple segments */
- if (bio_multiple_segments(req->bio)) {
- u32 offset = 0;
-
- /* Allocate memory and copy the request */
- pci_addr_out = pci_alloc_consistent(ioc->pdev,
- blk_rq_bytes(req), &pci_dma_out);
- if (!pci_addr_out) {
- printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto out;
- }
-
- bio_for_each_segment(bvec, req->bio, iter) {
- memcpy(pci_addr_out + offset,
- page_address(bvec.bv_page) + bvec.bv_offset,
- bvec.bv_len);
- offset += bvec.bv_len;
- }
- } else {
- dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio),
- blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
- if (!dma_addr_out) {
- printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto free_pci;
- }
- }
-
- /* Check if the response needs to be populated across
- * multiple segments */
- if (bio_multiple_segments(rsp->bio)) {
- pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp),
- &pci_dma_in);
- if (!pci_addr_in) {
- printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto unmap;
- }
- } else {
- dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio),
- blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
- if (!dma_addr_in) {
- printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n",
- ioc->name, __func__);
- rc = -ENOMEM;
- goto unmap;
- }
- }
-
- wait_state_count = 0;
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
- if (wait_state_count++ == 10) {
- printk(MPT2SAS_ERR_FMT
- "%s: failed due to ioc not operational\n",
- ioc->name, __func__);
- rc = -EFAULT;
- goto unmap;
- }
- ssleep(1);
- ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
- printk(MPT2SAS_INFO_FMT "%s: waiting for "
- "operational state(count=%d)\n", ioc->name,
- __func__, wait_state_count);
- }
- if (wait_state_count)
- printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
- ioc->name, __func__);
-
- smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
- if (!smid) {
- printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
- ioc->name, __func__);
- rc = -EAGAIN;
- goto unmap;
- }
-
- rc = 0;
- mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
- ioc->transport_cmds.smid = smid;
-
- memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
- mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
- mpi_request->PhysicalPort = 0xFF;
- mpi_request->VF_ID = 0; /* TODO */
- mpi_request->VP_ID = 0;
- mpi_request->SASAddress = (rphy) ?
- cpu_to_le64(rphy->identify.sas_address) :
- cpu_to_le64(ioc->sas_hba.sas_address);
- mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
- psge = &mpi_request->SGL;
-
- /* WRITE sgel first */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- if (bio_multiple_segments(req->bio)) {
- ioc->base_add_sg_single(psge, sgl_flags |
- (blk_rq_bytes(req) - 4), pci_dma_out);
- } else {
- ioc->base_add_sg_single(psge, sgl_flags |
- (blk_rq_bytes(req) - 4), dma_addr_out);
- }
-
- /* incr sgel */
- psge += ioc->sge_size;
-
- /* READ sgel last */
- sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
- MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
- MPI2_SGE_FLAGS_END_OF_LIST);
- sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
- if (bio_multiple_segments(rsp->bio)) {
- ioc->base_add_sg_single(psge, sgl_flags |
- (blk_rq_bytes(rsp) + 4), pci_dma_in);
- } else {
- ioc->base_add_sg_single(psge, sgl_flags |
- (blk_rq_bytes(rsp) + 4), dma_addr_in);
- }
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
- "sending smp request\n", ioc->name, __func__));
-
- init_completion(&ioc->transport_cmds.done);
- mpt2sas_base_put_smid_default(ioc, smid);
- timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
- 10*HZ);
-
- if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
- printk(MPT2SAS_ERR_FMT "%s : timeout\n",
- __func__, ioc->name);
- _debug_dump_mf(mpi_request,
- sizeof(Mpi2SmpPassthroughRequest_t)/4);
- if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
- issue_reset = 1;
- goto issue_host_reset;
- }
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
- "complete\n", ioc->name, __func__));
-
- if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
-
- mpi_reply = ioc->transport_cmds.reply;
-
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s - reply data transfer size(%d)\n",
- ioc->name, __func__,
- le16_to_cpu(mpi_reply->ResponseDataLength)));
-
- memcpy(req->sense, mpi_reply, sizeof(*mpi_reply));
- req->sense_len = sizeof(*mpi_reply);
- req->resid_len = 0;
- rsp->resid_len -=
- le16_to_cpu(mpi_reply->ResponseDataLength);
- /* check if the resp needs to be copied from the allocated
- * pci mem */
- if (bio_multiple_segments(rsp->bio)) {
- u32 offset = 0;
- u32 bytes_to_copy =
- le16_to_cpu(mpi_reply->ResponseDataLength);
- bio_for_each_segment(bvec, rsp->bio, iter) {
- if (bytes_to_copy <= bvec.bv_len) {
- memcpy(page_address(bvec.bv_page) +
- bvec.bv_offset, pci_addr_in +
- offset, bytes_to_copy);
- break;
- } else {
- memcpy(page_address(bvec.bv_page) +
- bvec.bv_offset, pci_addr_in +
- offset, bvec.bv_len);
- bytes_to_copy -= bvec.bv_len;
- }
- offset += bvec.bv_len;
- }
- }
- } else {
- dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
- "%s - no reply\n", ioc->name, __func__));
- rc = -ENXIO;
- }
-
- issue_host_reset:
- if (issue_reset) {
- mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
- FORCE_BIG_HAMMER);
- rc = -ETIMEDOUT;
- }
-
- unmap:
- if (dma_addr_out)
- pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req),
- PCI_DMA_BIDIRECTIONAL);
- if (dma_addr_in)
- pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp),
- PCI_DMA_BIDIRECTIONAL);
-
- free_pci:
- if (pci_addr_out)
- pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out,
- pci_dma_out);
-
- if (pci_addr_in)
- pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in,
- pci_dma_in);
-
- out:
- ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
- mutex_unlock(&ioc->transport_cmds.mutex);
- return rc;
-}
-
-struct sas_function_template mpt2sas_transport_functions = {
- .get_linkerrors = _transport_get_linkerrors,
- .get_enclosure_identifier = _transport_get_enclosure_identifier,
- .get_bay_identifier = _transport_get_bay_identifier,
- .phy_reset = _transport_phy_reset,
- .phy_enable = _transport_phy_enable,
- .set_phy_speed = _transport_phy_speed,
- .smp_handler = _transport_smp_handler,
-};
-
-struct scsi_transport_template *mpt2sas_transport_template;
projects / openwrt / staging / blogic.git / commitdiff