* http://www.compactflash.org (CF)
* http://www.qic.org (QIC157 - Tape and DSC)
* http://www.ce-ata.org (CE-ATA: not supported)
+ *
+ * libata is essentially a library of internal helper functions for
+ * low-level ATA host controller drivers. As such, the API/ABI is
+ * likely to change as new drivers are added and updated.
+ * Do not depend on ABI/API stability.
*/
#include <linux/kernel.h>
/* debounce timing parameters in msecs { interval, duration, timeout } */
const unsigned long sata_deb_timing_normal[] = { 5, 100, 2000 };
+EXPORT_SYMBOL_GPL(sata_deb_timing_normal);
const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 };
+EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug);
const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 };
+EXPORT_SYMBOL_GPL(sata_deb_timing_long);
const struct ata_port_operations ata_base_port_ops = {
.prereset = ata_std_prereset,
.sched_eh = ata_std_sched_eh,
.end_eh = ata_std_end_eh,
};
+EXPORT_SYMBOL_GPL(ata_base_port_ops);
const struct ata_port_operations sata_port_ops = {
.inherits = &ata_base_port_ops,
.qc_defer = ata_std_qc_defer,
.hardreset = sata_std_hardreset,
};
+EXPORT_SYMBOL_GPL(sata_port_ops);
static unsigned int ata_dev_init_params(struct ata_device *dev,
u16 heads, u16 sectors);
return NULL;
}
+EXPORT_SYMBOL_GPL(ata_link_next);
/**
* ata_dev_next - device iteration helper
goto next;
return dev;
}
+EXPORT_SYMBOL_GPL(ata_dev_next);
/**
* ata_dev_phys_link - find physical link for a device
return ATAPI_MISC;
}
}
+EXPORT_SYMBOL_GPL(atapi_cmd_type);
/**
* ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure
fis[18] = (tf->auxiliary >> 16) & 0xff;
fis[19] = (tf->auxiliary >> 24) & 0xff;
}
+EXPORT_SYMBOL_GPL(ata_tf_to_fis);
/**
* ata_tf_from_fis - Convert SATA FIS to ATA taskfile
tf->nsect = fis[12];
tf->hob_nsect = fis[13];
}
+EXPORT_SYMBOL_GPL(ata_tf_from_fis);
static const u8 ata_rw_cmds[] = {
/* pio multi */
((mwdma_mask << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA) |
((udma_mask << ATA_SHIFT_UDMA) & ATA_MASK_UDMA);
}
+EXPORT_SYMBOL_GPL(ata_pack_xfermask);
/**
* ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks
if (udma_mask)
*udma_mask = (xfer_mask & ATA_MASK_UDMA) >> ATA_SHIFT_UDMA;
}
+EXPORT_SYMBOL_GPL(ata_unpack_xfermask);
static const struct ata_xfer_ent {
int shift, bits;
return ent->base + highbit - ent->shift;
return 0xff;
}
+EXPORT_SYMBOL_GPL(ata_xfer_mask2mode);
/**
* ata_xfer_mode2mask - Find matching xfer_mask for XFER_*
& ~((1 << ent->shift) - 1);
return 0;
}
+EXPORT_SYMBOL_GPL(ata_xfer_mode2mask);
/**
* ata_xfer_mode2shift - Find matching xfer_shift for XFER_*
return ent->shift;
return -1;
}
+EXPORT_SYMBOL_GPL(ata_xfer_mode2shift);
/**
* ata_mode_string - convert xfer_mask to string
return xfer_mode_str[highbit];
return "<n/a>";
}
+EXPORT_SYMBOL_GPL(ata_mode_string);
const char *sata_spd_string(unsigned int spd)
{
DPRINTK("unknown device\n");
return ATA_DEV_UNKNOWN;
}
+EXPORT_SYMBOL_GPL(ata_dev_classify);
/**
* ata_id_string - Convert IDENTIFY DEVICE page into string
len -= 2;
}
}
+EXPORT_SYMBOL_GPL(ata_id_string);
/**
* ata_id_c_string - Convert IDENTIFY DEVICE page into C string
p--;
*p = '\0';
}
+EXPORT_SYMBOL_GPL(ata_id_c_string);
static u64 ata_id_n_sectors(const u16 *id)
{
return ata_pack_xfermask(pio_mask, mwdma_mask, udma_mask);
}
+EXPORT_SYMBOL_GPL(ata_id_xfermask);
static void ata_qc_complete_internal(struct ata_queued_cmd *qc)
{
return 1;
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
/**
* ata_pio_mask_no_iordy - Return the non IORDY mask
return ata_exec_internal(dev, tf, NULL, DMA_FROM_DEVICE,
id, sizeof(id[0]) * ATA_ID_WORDS, 0);
}
+EXPORT_SYMBOL_GPL(ata_do_dev_read_id);
/**
* ata_dev_read_id - Read ID data from the specified device
{
return ATA_CBL_PATA40;
}
+EXPORT_SYMBOL_GPL(ata_cable_40wire);
/**
* ata_cable_80wire - return 80 wire cable type
{
return ATA_CBL_PATA80;
}
+EXPORT_SYMBOL_GPL(ata_cable_80wire);
/**
* ata_cable_unknown - return unknown PATA cable.
{
return ATA_CBL_PATA_UNK;
}
+EXPORT_SYMBOL_GPL(ata_cable_unknown);
/**
* ata_cable_ignore - return ignored PATA cable.
{
return ATA_CBL_PATA_IGN;
}
+EXPORT_SYMBOL_GPL(ata_cable_ignore);
/**
* ata_cable_sata - return SATA cable type
{
return ATA_CBL_SATA;
}
+EXPORT_SYMBOL_GPL(ata_cable_sata);
/**
* ata_bus_probe - Reset and probe ATA bus
return NULL;
return pair;
}
+EXPORT_SYMBOL_GPL(ata_dev_pair);
/**
* sata_down_spd_limit - adjust SATA spd limit downward
return 1;
}
+EXPORT_SYMBOL_GPL(sata_set_spd);
/*
* This mode timing computation functionality is ported over from
if (what & ATA_TIMING_CYCLE ) m->cycle = max(a->cycle, b->cycle);
if (what & ATA_TIMING_UDMA ) m->udma = max(a->udma, b->udma);
}
+EXPORT_SYMBOL_GPL(ata_timing_merge);
const struct ata_timing *ata_timing_find_mode(u8 xfer_mode)
{
return NULL;
}
+EXPORT_SYMBOL_GPL(ata_timing_find_mode);
int ata_timing_compute(struct ata_device *adev, unsigned short speed,
struct ata_timing *t, int T, int UT)
return 0;
}
+EXPORT_SYMBOL_GPL(ata_timing_compute);
/**
* ata_timing_cycle2mode - find xfer mode for the specified cycle duration
return last_mode;
}
+EXPORT_SYMBOL_GPL(ata_timing_cycle2mode);
/**
* ata_down_xfermask_limit - adjust dev xfer masks downward
*r_failed_dev = dev;
return rc;
}
+EXPORT_SYMBOL_GPL(ata_do_set_mode);
/**
* ata_wait_ready - wait for link to become ready
return ata_wait_ready(link, deadline, check_ready);
}
+EXPORT_SYMBOL_GPL(ata_wait_after_reset);
/**
* sata_link_debounce - debounce SATA phy status
return -EPIPE;
}
}
+EXPORT_SYMBOL_GPL(sata_link_debounce);
/**
* sata_link_resume - resume SATA link
return rc != -EINVAL ? rc : 0;
}
+EXPORT_SYMBOL_GPL(sata_link_resume);
/**
* sata_link_scr_lpm - manipulate SControl IPM and SPM fields
ehc->i.serror &= ~SERR_PHYRDY_CHG;
return sata_scr_write(link, SCR_ERROR, SERR_PHYRDY_CHG);
}
+EXPORT_SYMBOL_GPL(sata_link_scr_lpm);
/**
* ata_std_prereset - prepare for reset
return 0;
}
+EXPORT_SYMBOL_GPL(ata_std_prereset);
/**
* sata_link_hardreset - reset link via SATA phy reset
DPRINTK("EXIT, rc=%d\n", rc);
return rc;
}
+EXPORT_SYMBOL_GPL(sata_link_hardreset);
/**
* sata_std_hardreset - COMRESET w/o waiting or classification
rc = sata_link_hardreset(link, timing, deadline, &online, NULL);
return online ? -EAGAIN : rc;
}
+EXPORT_SYMBOL_GPL(sata_std_hardreset);
/**
* ata_std_postreset - standard postreset callback
DPRINTK("EXIT\n");
}
+EXPORT_SYMBOL_GPL(ata_std_postreset);
/**
* ata_dev_same_device - Determine whether new ID matches configured device
return ATA_DEFER_LINK;
}
+EXPORT_SYMBOL_GPL(ata_std_qc_defer);
enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc)
{
return AC_ERR_OK;
}
+EXPORT_SYMBOL_GPL(ata_noop_qc_prep);
/**
* ata_sg_init - Associate command with scatter-gather table.
qc->n_elem = n_elem;
qc->cursg = qc->sg;
}
+EXPORT_SYMBOL_GPL(ata_sg_init);
#ifdef CONFIG_HAS_DMA
__ata_qc_complete(qc);
}
}
+EXPORT_SYMBOL_GPL(ata_qc_complete);
/**
* ata_qc_get_active - get bitmask of active qcs
return nr_done;
}
+EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
/**
* ata_qc_issue - issue taskfile to device
return (ap->flags & ATA_FLAG_SATA) && ap->ops->scr_read;
}
+EXPORT_SYMBOL_GPL(sata_scr_valid);
/**
* sata_scr_read - read SCR register of the specified port
return sata_pmp_scr_read(link, reg, val);
}
+EXPORT_SYMBOL_GPL(sata_scr_read);
/**
* sata_scr_write - write SCR register of the specified port
return sata_pmp_scr_write(link, reg, val);
}
+EXPORT_SYMBOL_GPL(sata_scr_write);
/**
* sata_scr_write_flush - write SCR register of the specified port and flush
return sata_pmp_scr_write(link, reg, val);
}
+EXPORT_SYMBOL_GPL(sata_scr_write_flush);
/**
* ata_phys_link_online - test whether the given link is online
return ata_phys_link_online(link) ||
(slave && ata_phys_link_online(slave));
}
+EXPORT_SYMBOL_GPL(ata_link_online);
/**
* ata_link_offline - test whether the given link is offline
return ata_phys_link_offline(link) &&
(!slave || ata_phys_link_offline(slave));
}
+EXPORT_SYMBOL_GPL(ata_link_offline);
#ifdef CONFIG_PM
static void ata_port_request_pm(struct ata_port *ap, pm_message_t mesg,
host->dev->power.power_state = mesg;
return 0;
}
+EXPORT_SYMBOL_GPL(ata_host_suspend);
/**
* ata_host_resume - resume host
{
host->dev->power.power_state = PMSG_ON;
}
+EXPORT_SYMBOL_GPL(ata_host_resume);
#endif
const struct device_type ata_port_type = {
{
kref_get(&host->kref);
}
+EXPORT_SYMBOL_GPL(ata_host_get);
void ata_host_put(struct ata_host *host)
{
kref_put(&host->kref, ata_host_release);
}
+EXPORT_SYMBOL_GPL(ata_host_put);
/**
* ata_host_alloc - allocate and init basic ATA host resources
kfree(host);
return NULL;
}
+EXPORT_SYMBOL_GPL(ata_host_alloc);
/**
* ata_host_alloc_pinfo - alloc host and init with port_info array
return host;
}
+EXPORT_SYMBOL_GPL(ata_host_alloc_pinfo);
/**
* ata_slave_link_init - initialize slave link
ap->slave_link = link;
return 0;
}
+EXPORT_SYMBOL_GPL(ata_slave_link_init);
static void ata_host_stop(struct device *gendev, void *res)
{
devres_free(start_dr);
return rc;
}
+EXPORT_SYMBOL_GPL(ata_host_start);
/**
* ata_sas_host_init - Initialize a host struct for sas (ipr, libsas)
host->ops = ops;
kref_init(&host->kref);
}
+EXPORT_SYMBOL_GPL(ata_host_init);
void __ata_port_probe(struct ata_port *ap)
{
return rc;
}
+EXPORT_SYMBOL_GPL(ata_host_register);
/**
* ata_host_activate - start host, request IRQ and register it
return rc;
}
+EXPORT_SYMBOL_GPL(ata_host_activate);
/**
* ata_port_detach - Detach ATA port in preparation of device removal
/* the host is dead now, dissociate ACPI */
ata_acpi_dissociate(host);
}
+EXPORT_SYMBOL_GPL(ata_host_detach);
#ifdef CONFIG_PCI
ata_host_detach(host);
}
+EXPORT_SYMBOL_GPL(ata_pci_remove_one);
void ata_pci_shutdown_one(struct pci_dev *pdev)
{
ap->ops->port_stop(ap);
}
}
+EXPORT_SYMBOL_GPL(ata_pci_shutdown_one);
/* move to PCI subsystem */
int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits)
return (tmp == bits->val) ? 1 : 0;
}
+EXPORT_SYMBOL_GPL(pci_test_config_bits);
#ifdef CONFIG_PM
void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg)
if (mesg.event & PM_EVENT_SLEEP)
pci_set_power_state(pdev, PCI_D3hot);
}
+EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend);
int ata_pci_device_do_resume(struct pci_dev *pdev)
{
pci_set_master(pdev);
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pci_device_do_resume);
int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
return 0;
}
+EXPORT_SYMBOL_GPL(ata_pci_device_suspend);
int ata_pci_device_resume(struct pci_dev *pdev)
{
ata_host_resume(host);
return rc;
}
+EXPORT_SYMBOL_GPL(ata_pci_device_resume);
#endif /* CONFIG_PM */
-
#endif /* CONFIG_PCI */
/**
return 0;
}
+EXPORT_SYMBOL_GPL(ata_platform_remove_one);
static int __init ata_parse_force_one(char **cur,
struct ata_force_ent *force_ent,
{
return __ratelimit(&ratelimit);
}
+EXPORT_SYMBOL_GPL(ata_ratelimit);
/**
* ata_msleep - ATA EH owner aware msleep
if (owns_eh)
ata_eh_acquire(ap);
}
+EXPORT_SYMBOL_GPL(ata_msleep);
/**
* ata_wait_register - wait until register value changes
return tmp;
}
+EXPORT_SYMBOL_GPL(ata_wait_register);
/**
* sata_lpm_ignore_phy_events - test if PHY event should be ignored
.sched_eh = ata_std_sched_eh,
.end_eh = ata_std_end_eh,
};
+EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
const struct ata_port_info ata_dummy_port_info = {
.port_ops = &ata_dummy_port_ops,
};
+EXPORT_SYMBOL_GPL(ata_dummy_port_info);
/*
* Utility print functions
dev_printk(KERN_DEBUG, dev, "version %s\n", version);
}
EXPORT_SYMBOL(ata_print_version);
-
-/*
- * libata is essentially a library of internal helper functions for
- * low-level ATA host controller drivers. As such, the API/ABI is
- * likely to change as new drivers are added and updated.
- * Do not depend on ABI/API stability.
- */
-EXPORT_SYMBOL_GPL(sata_deb_timing_normal);
-EXPORT_SYMBOL_GPL(sata_deb_timing_hotplug);
-EXPORT_SYMBOL_GPL(sata_deb_timing_long);
-EXPORT_SYMBOL_GPL(ata_base_port_ops);
-EXPORT_SYMBOL_GPL(sata_port_ops);
-EXPORT_SYMBOL_GPL(ata_dummy_port_ops);
-EXPORT_SYMBOL_GPL(ata_dummy_port_info);
-EXPORT_SYMBOL_GPL(ata_link_next);
-EXPORT_SYMBOL_GPL(ata_dev_next);
-EXPORT_SYMBOL_GPL(ata_std_bios_param);
-EXPORT_SYMBOL_GPL(ata_scsi_unlock_native_capacity);
-EXPORT_SYMBOL_GPL(ata_host_init);
-EXPORT_SYMBOL_GPL(ata_host_alloc);
-EXPORT_SYMBOL_GPL(ata_host_alloc_pinfo);
-EXPORT_SYMBOL_GPL(ata_slave_link_init);
-EXPORT_SYMBOL_GPL(ata_host_start);
-EXPORT_SYMBOL_GPL(ata_host_register);
-EXPORT_SYMBOL_GPL(ata_host_activate);
-EXPORT_SYMBOL_GPL(ata_host_detach);
-EXPORT_SYMBOL_GPL(ata_sg_init);
-EXPORT_SYMBOL_GPL(ata_qc_complete);
-EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
-EXPORT_SYMBOL_GPL(atapi_cmd_type);
-EXPORT_SYMBOL_GPL(ata_tf_to_fis);
-EXPORT_SYMBOL_GPL(ata_tf_from_fis);
-EXPORT_SYMBOL_GPL(ata_pack_xfermask);
-EXPORT_SYMBOL_GPL(ata_unpack_xfermask);
-EXPORT_SYMBOL_GPL(ata_xfer_mask2mode);
-EXPORT_SYMBOL_GPL(ata_xfer_mode2mask);
-EXPORT_SYMBOL_GPL(ata_xfer_mode2shift);
-EXPORT_SYMBOL_GPL(ata_mode_string);
-EXPORT_SYMBOL_GPL(ata_id_xfermask);
-EXPORT_SYMBOL_GPL(ata_do_set_mode);
-EXPORT_SYMBOL_GPL(ata_std_qc_defer);
-EXPORT_SYMBOL_GPL(ata_noop_qc_prep);
-EXPORT_SYMBOL_GPL(ata_dev_disable);
-EXPORT_SYMBOL_GPL(sata_set_spd);
-EXPORT_SYMBOL_GPL(ata_wait_after_reset);
-EXPORT_SYMBOL_GPL(sata_link_debounce);
-EXPORT_SYMBOL_GPL(sata_link_resume);
-EXPORT_SYMBOL_GPL(sata_link_scr_lpm);
-EXPORT_SYMBOL_GPL(ata_std_prereset);
-EXPORT_SYMBOL_GPL(sata_link_hardreset);
-EXPORT_SYMBOL_GPL(sata_std_hardreset);
-EXPORT_SYMBOL_GPL(ata_std_postreset);
-EXPORT_SYMBOL_GPL(ata_dev_classify);
-EXPORT_SYMBOL_GPL(ata_dev_pair);
-EXPORT_SYMBOL_GPL(ata_ratelimit);
-EXPORT_SYMBOL_GPL(ata_msleep);
-EXPORT_SYMBOL_GPL(ata_wait_register);
-EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);
-EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
-EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy);
-EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth);
-EXPORT_SYMBOL_GPL(__ata_change_queue_depth);
-EXPORT_SYMBOL_GPL(sata_scr_valid);
-EXPORT_SYMBOL_GPL(sata_scr_read);
-EXPORT_SYMBOL_GPL(sata_scr_write);
-EXPORT_SYMBOL_GPL(sata_scr_write_flush);
-EXPORT_SYMBOL_GPL(ata_link_online);
-EXPORT_SYMBOL_GPL(ata_link_offline);
-#ifdef CONFIG_PM
-EXPORT_SYMBOL_GPL(ata_host_suspend);
-EXPORT_SYMBOL_GPL(ata_host_resume);
-#endif /* CONFIG_PM */
-EXPORT_SYMBOL_GPL(ata_id_string);
-EXPORT_SYMBOL_GPL(ata_id_c_string);
-EXPORT_SYMBOL_GPL(ata_do_dev_read_id);
-EXPORT_SYMBOL_GPL(ata_scsi_simulate);
-
-EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
-EXPORT_SYMBOL_GPL(ata_timing_find_mode);
-EXPORT_SYMBOL_GPL(ata_timing_compute);
-EXPORT_SYMBOL_GPL(ata_timing_merge);
-EXPORT_SYMBOL_GPL(ata_timing_cycle2mode);
-
-#ifdef CONFIG_PCI
-EXPORT_SYMBOL_GPL(pci_test_config_bits);
-EXPORT_SYMBOL_GPL(ata_pci_shutdown_one);
-EXPORT_SYMBOL_GPL(ata_pci_remove_one);
-#ifdef CONFIG_PM
-EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend);
-EXPORT_SYMBOL_GPL(ata_pci_device_do_resume);
-EXPORT_SYMBOL_GPL(ata_pci_device_suspend);
-EXPORT_SYMBOL_GPL(ata_pci_device_resume);
-#endif /* CONFIG_PM */
-#endif /* CONFIG_PCI */
-
-EXPORT_SYMBOL_GPL(ata_platform_remove_one);
-
-EXPORT_SYMBOL_GPL(__ata_ehi_push_desc);
-EXPORT_SYMBOL_GPL(ata_ehi_push_desc);
-EXPORT_SYMBOL_GPL(ata_ehi_clear_desc);
-EXPORT_SYMBOL_GPL(ata_port_desc);
-#ifdef CONFIG_PCI
-EXPORT_SYMBOL_GPL(ata_port_pbar_desc);
-#endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
-EXPORT_SYMBOL_GPL(ata_link_abort);
-EXPORT_SYMBOL_GPL(ata_port_abort);
-EXPORT_SYMBOL_GPL(ata_port_freeze);
-EXPORT_SYMBOL_GPL(sata_async_notification);
-EXPORT_SYMBOL_GPL(ata_eh_freeze_port);
-EXPORT_SYMBOL_GPL(ata_eh_thaw_port);
-EXPORT_SYMBOL_GPL(ata_eh_qc_complete);
-EXPORT_SYMBOL_GPL(ata_eh_qc_retry);
-EXPORT_SYMBOL_GPL(ata_eh_analyze_ncq_error);
-EXPORT_SYMBOL_GPL(ata_do_eh);
-EXPORT_SYMBOL_GPL(ata_std_error_handler);
-
-EXPORT_SYMBOL_GPL(ata_cable_40wire);
-EXPORT_SYMBOL_GPL(ata_cable_80wire);
-EXPORT_SYMBOL_GPL(ata_cable_unknown);
-EXPORT_SYMBOL_GPL(ata_cable_ignore);
-EXPORT_SYMBOL_GPL(ata_cable_sata);
-EXPORT_SYMBOL_GPL(ata_host_get);
-EXPORT_SYMBOL_GPL(ata_host_put);