u16 *fw_subtype_list, u32 *capabilities)
{
MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_BOARD_CFG_OUT_LENMAX);
- size_t outlen, offset, i;
+ size_t outlen, i;
int port_num = efx_port_num(efx);
int rc;
goto fail;
}
- offset = (port_num)
- ? MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1_OFST
- : MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST;
if (mac_address)
- memcpy(mac_address, outbuf + offset, ETH_ALEN);
+ memcpy(mac_address,
+ port_num ?
+ MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1) :
+ MCDI_PTR(outbuf, GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0),
+ ETH_ALEN);
if (fw_subtype_list) {
- /* Byte-swap and truncate or zero-pad as necessary */
- offset = MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST;
for (i = 0;
- i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM;
- i++) {
- fw_subtype_list[i] =
- (offset + 2 <= outlen) ?
- le16_to_cpup((__le16 *)(outbuf + offset)) : 0;
- offset += 2;
- }
+ i < MCDI_VAR_ARRAY_LEN(outlen,
+ GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST);
+ i++)
+ fw_subtype_list[i] = MCDI_ARRAY_WORD(
+ outbuf, GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST, i);
+ for (; i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM; i++)
+ fw_subtype_list[i] = 0;
}
if (capabilities) {
if (port_num)
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_ASSERTS_IN_LEN);
MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_ASSERTS_OUT_LEN);
- unsigned int flags, index, ofst;
+ unsigned int flags, index;
const char *reason;
size_t outlen;
int retry;
MCDI_DWORD(outbuf, GET_ASSERTS_OUT_THREAD_OFFS));
/* Print out the registers */
- ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
- for (index = 1; index < 32; index++) {
- netif_err(efx, hw, efx->net_dev, "R%.2d (?): 0x%.8x\n", index,
- MCDI_DWORD2(outbuf, ofst));
- ofst += sizeof(efx_dword_t);
- }
+ for (index = 0;
+ index < MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
+ index++)
+ netif_err(efx, hw, efx->net_dev, "R%.2d (?): 0x%.8x\n",
+ 1 + index,
+ MCDI_ARRAY_DWORD(outbuf, GET_ASSERTS_OUT_GP_REGS_OFFS,
+ index));
return 0;
}
{
struct efx_channel *channel;
struct efx_rx_queue *rx_queue;
- __le32 *qid;
+ MCDI_DECLARE_BUF(inbuf,
+ MC_CMD_FLUSH_RX_QUEUES_IN_LEN(EFX_MAX_CHANNELS));
int rc, count;
BUILD_BUG_ON(EFX_MAX_CHANNELS >
MC_CMD_FLUSH_RX_QUEUES_IN_QID_OFST_MAXNUM);
- qid = kmalloc(EFX_MAX_CHANNELS * sizeof(*qid), GFP_KERNEL);
- if (qid == NULL)
- return -ENOMEM;
-
count = 0;
efx_for_each_channel(channel, efx) {
efx_for_each_channel_rx_queue(rx_queue, channel) {
if (rx_queue->flush_pending) {
rx_queue->flush_pending = false;
atomic_dec(&efx->rxq_flush_pending);
- qid[count++] = cpu_to_le32(
- efx_rx_queue_index(rx_queue));
+ MCDI_SET_ARRAY_DWORD(
+ inbuf, FLUSH_RX_QUEUES_IN_QID_OFST,
+ count, efx_rx_queue_index(rx_queue));
+ count++;
}
}
}
- rc = efx_mcdi_rpc(efx, MC_CMD_FLUSH_RX_QUEUES, (u8 *)qid,
- count * sizeof(*qid), NULL, 0, NULL);
+ rc = efx_mcdi_rpc(efx, MC_CMD_FLUSH_RX_QUEUES, inbuf,
+ MC_CMD_FLUSH_RX_QUEUES_IN_LEN(count), NULL, 0, NULL);
WARN_ON(rc < 0);
- kfree(qid);
-
return rc;
}
#define _MCDI_DWORD(_buf, _field) \
((efx_dword_t *)MCDI_PTR(_buf, _field))
-#define MCDI_DWORD2(_buf, _ofst) \
- EFX_DWORD_FIELD(*(efx_dword_t *)((u8 *)(_buf) + (_ofst)), EFX_DWORD_0)
-
#define MCDI_SET_DWORD(_buf, _field, _value) \
EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value)
#define MCDI_DWORD(_buf, _field) \
u32 reject, fcntl;
MCDI_DECLARE_BUF(cmdbytes, MC_CMD_SET_MAC_IN_LEN);
- memcpy(cmdbytes + MC_CMD_SET_MAC_IN_ADDR_OFST,
+ memcpy(MCDI_PTR(cmdbytes, SET_MAC_IN_ADDR),
efx->net_dev->dev_addr, ETH_ALEN);
MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_MTU,
unsigned int retry, i, count = 0;
size_t outlen;
u32 status;
- u8 *buf, *ptr;
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_START_BIST_IN_LEN);
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_POLL_BIST_OUT_SFT9001_LEN);
+ u8 *ptr;
int rc;
- buf = kzalloc(0x100, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
BUILD_BUG_ON(MC_CMD_START_BIST_OUT_LEN != 0);
- MCDI_SET_DWORD(buf, START_BIST_IN_TYPE, bist_mode);
- rc = efx_mcdi_rpc(efx, MC_CMD_START_BIST, buf, MC_CMD_START_BIST_IN_LEN,
- NULL, 0, NULL);
+ MCDI_SET_DWORD(inbuf, START_BIST_IN_TYPE, bist_mode);
+ rc = efx_mcdi_rpc(efx, MC_CMD_START_BIST,
+ inbuf, MC_CMD_START_BIST_IN_LEN, NULL, 0, NULL);
if (rc)
goto out;
for (retry = 0; retry < 100; ++retry) {
BUILD_BUG_ON(MC_CMD_POLL_BIST_IN_LEN != 0);
rc = efx_mcdi_rpc(efx, MC_CMD_POLL_BIST, NULL, 0,
- buf, 0x100, &outlen);
+ outbuf, sizeof(outbuf), &outlen);
if (rc)
goto out;
- status = MCDI_DWORD(buf, POLL_BIST_OUT_RESULT);
+ status = MCDI_DWORD(outbuf, POLL_BIST_OUT_RESULT);
if (status != MC_CMD_POLL_BIST_RUNNING)
goto finished;
if (efx->phy_type == PHY_TYPE_SFT9001B &&
(bist_mode == MC_CMD_PHY_BIST_CABLE_SHORT ||
bist_mode == MC_CMD_PHY_BIST_CABLE_LONG)) {
- ptr = MCDI_PTR(buf, POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A);
+ ptr = MCDI_PTR(outbuf, POLL_BIST_OUT_SFT9001_CABLE_LENGTH_A);
if (status == MC_CMD_POLL_BIST_PASSED &&
outlen >= MC_CMD_POLL_BIST_OUT_SFT9001_LEN) {
for (i = 0; i < 8; i++) {
rc = count;
out:
- kfree(buf);
-
return rc;
}
space_remaining : payload_len;
memcpy(user_data,
- outbuf + page_off +
- MC_CMD_GET_PHY_MEDIA_INFO_OUT_DATA_OFST,
+ MCDI_PTR(outbuf, GET_PHY_MEDIA_INFO_OUT_DATA) + page_off,
to_copy);
space_remaining -= to_copy;
struct work_struct pps_work;
struct workqueue_struct *pps_workwq;
bool nic_ts_enabled;
- u8 txbuf[ALIGN(MC_CMD_PTP_IN_TRANSMIT_LEN(
- MC_CMD_PTP_IN_TRANSMIT_PACKET_MAXNUM), 4)];
+ MCDI_DECLARE_BUF(txbuf, MC_CMD_PTP_IN_TRANSMIT_LENMAX);
struct efx_ptp_timeset
timeset[MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_MAXNUM];
};
}
/* Read a timeset from the MC's results and partial process. */
-static void efx_ptp_read_timeset(u8 *data, struct efx_ptp_timeset *timeset)
+static void efx_ptp_read_timeset(MCDI_DECLARE_STRUCT_PTR(data),
+ struct efx_ptp_timeset *timeset)
{
unsigned start_ns, end_ns;
* busy. A number of readings are taken so that, hopefully, at least one good
* synchronisation will be seen in the results.
*/
-static int efx_ptp_process_times(struct efx_nic *efx, u8 *synch_buf,
- size_t response_length,
- const struct pps_event_time *last_time)
+static int
+efx_ptp_process_times(struct efx_nic *efx, MCDI_DECLARE_STRUCT_PTR(synch_buf),
+ size_t response_length,
+ const struct pps_event_time *last_time)
{
- unsigned number_readings = (response_length /
- MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_LEN);
+ unsigned number_readings =
+ MCDI_VAR_ARRAY_LEN(response_length,
+ PTP_OUT_SYNCHRONIZE_TIMESET);
unsigned i;
unsigned total;
unsigned ngood = 0;
* appera to be erroneous.
*/
for (i = 0; i < number_readings; i++) {
- efx_ptp_read_timeset(synch_buf, &ptp->timeset[i]);
- synch_buf += MC_CMD_PTP_OUT_SYNCHRONIZE_TIMESET_LEN;
+ efx_ptp_read_timeset(
+ MCDI_ARRAY_STRUCT_PTR(synch_buf,
+ PTP_OUT_SYNCHRONIZE_TIMESET, i),
+ &ptp->timeset[i]);
}
/* Find the last good host-MC synchronization result. The MC times
/* Transmit a PTP packet, via the MCDI interface, to the wire. */
static int efx_ptp_xmit_skb(struct efx_nic *efx, struct sk_buff *skb)
{
- u8 *txbuf = efx->ptp_data->txbuf;
+ struct efx_ptp_data *ptp_data = efx->ptp_data;
struct skb_shared_hwtstamps timestamps;
int rc = -EIO;
/* MCDI driver requires word aligned lengths */
size_t len = ALIGN(MC_CMD_PTP_IN_TRANSMIT_LEN(skb->len), 4);
MCDI_DECLARE_BUF(txtime, MC_CMD_PTP_OUT_TRANSMIT_LEN);
- MCDI_SET_DWORD(txbuf, PTP_IN_OP, MC_CMD_PTP_OP_TRANSMIT);
- MCDI_SET_DWORD(txbuf, PTP_IN_TRANSMIT_LENGTH, skb->len);
+ MCDI_SET_DWORD(ptp_data->txbuf, PTP_IN_OP, MC_CMD_PTP_OP_TRANSMIT);
+ MCDI_SET_DWORD(ptp_data->txbuf, PTP_IN_TRANSMIT_LENGTH, skb->len);
if (skb_shinfo(skb)->nr_frags != 0) {
rc = skb_linearize(skb);
if (rc != 0)
goto fail;
}
skb_copy_from_linear_data(skb,
- &txbuf[MC_CMD_PTP_IN_TRANSMIT_PACKET_OFST],
+ MCDI_PTR(ptp_data->txbuf,
+ PTP_IN_TRANSMIT_PACKET),
len);
- rc = efx_mcdi_rpc(efx, MC_CMD_PTP, txbuf, len, txtime,
+ rc = efx_mcdi_rpc(efx, MC_CMD_PTP, ptp_data->txbuf, len, txtime,
sizeof(txtime), &len);
if (rc != 0)
goto fail;
static int efx_sriov_memcpy(struct efx_nic *efx, struct efx_memcpy_req *req,
unsigned int count)
{
- u8 *inbuf, *record;
- unsigned int used;
+ MCDI_DECLARE_BUF(inbuf, MCDI_CTL_SDU_LEN_MAX_V1);
+ MCDI_DECLARE_STRUCT_PTR(record);
+ unsigned int index, used;
u32 from_rid, from_hi, from_lo;
int rc;
mb(); /* Finish writing source/reading dest before DMA starts */
- used = MC_CMD_MEMCPY_IN_LEN(count);
- if (WARN_ON(used > MCDI_CTL_SDU_LEN_MAX_V1))
+ if (WARN_ON(count > MC_CMD_MEMCPY_IN_RECORD_MAXNUM))
return -ENOBUFS;
+ used = MC_CMD_MEMCPY_IN_LEN(count);
- /* Allocate room for the largest request */
- inbuf = kzalloc(MCDI_CTL_SDU_LEN_MAX_V1, GFP_KERNEL);
- if (inbuf == NULL)
- return -ENOMEM;
-
- record = inbuf;
- MCDI_SET_DWORD(record, MEMCPY_IN_RECORD, count);
- while (count-- > 0) {
+ for (index = 0; index < count; index++) {
+ record = MCDI_ARRAY_STRUCT_PTR(inbuf, MEMCPY_IN_RECORD, index);
+ MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_NUM_RECORDS,
+ count);
MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_TO_RID,
req->to_rid);
MCDI_SET_DWORD(record, MEMCPY_RECORD_TYPEDEF_TO_ADDR_LO,
from_rid = MC_CMD_MEMCPY_RECORD_TYPEDEF_RID_INLINE;
from_lo = used;
from_hi = 0;
- memcpy(inbuf + used, req->from_buf, req->length);
+ memcpy(_MCDI_PTR(inbuf, used), req->from_buf,
+ req->length);
used += req->length;
}
req->length);
++req;
- record += MC_CMD_MEMCPY_IN_RECORD_LEN;
}
rc = efx_mcdi_rpc(efx, MC_CMD_MEMCPY, inbuf, used, NULL, 0, NULL);
out:
- kfree(inbuf);
-
mb(); /* Don't write source/read dest before DMA is complete */
return rc;
unsigned vf_offset = EFX_VI_BASE + vf->index * efx_vf_size(efx);
unsigned timeout = HZ;
unsigned index, rxqs_count;
- __le32 *rxqs;
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_FLUSH_RX_QUEUES_IN_LENMAX);
int rc;
BUILD_BUG_ON(VF_MAX_RX_QUEUES >
MC_CMD_FLUSH_RX_QUEUES_IN_QID_OFST_MAXNUM);
- rxqs = kmalloc(count * sizeof(*rxqs), GFP_KERNEL);
- if (rxqs == NULL)
- return VFDI_RC_ENOMEM;
-
rtnl_lock();
siena_prepare_flush(efx);
rtnl_unlock();
vf_offset + index);
efx_writeo(efx, ®, FR_AZ_TX_FLUSH_DESCQ);
}
- if (test_bit(index, vf->rxq_mask))
- rxqs[rxqs_count++] = cpu_to_le32(vf_offset + index);
+ if (test_bit(index, vf->rxq_mask)) {
+ MCDI_SET_ARRAY_DWORD(
+ inbuf, FLUSH_RX_QUEUES_IN_QID_OFST,
+ rxqs_count, vf_offset + index);
+ rxqs_count++;
+ }
}
atomic_set(&vf->rxq_retry_count, 0);
while (timeout && (vf->rxq_count || vf->txq_count)) {
- rc = efx_mcdi_rpc(efx, MC_CMD_FLUSH_RX_QUEUES, (u8 *)rxqs,
- rxqs_count * sizeof(*rxqs), NULL, 0, NULL);
+ rc = efx_mcdi_rpc(efx, MC_CMD_FLUSH_RX_QUEUES, inbuf,
+ MC_CMD_FLUSH_RX_QUEUES_IN_LEN(rxqs_count),
+ NULL, 0, NULL);
WARN_ON(rc < 0);
timeout = wait_event_timeout(vf->flush_waitq,
for (index = 0; index < count; ++index) {
if (test_and_clear_bit(index, vf->rxq_retry_mask)) {
atomic_dec(&vf->rxq_retry_count);
- rxqs[rxqs_count++] =
- cpu_to_le32(vf_offset + index);
+ MCDI_SET_ARRAY_DWORD(
+ inbuf, FLUSH_RX_QUEUES_IN_QID_OFST,
+ rxqs_count, vf_offset + index);
+ rxqs_count++;
}
}
}
}
efx_sriov_bufs(efx, vf->buftbl_base, NULL,
EFX_VF_BUFTBL_PER_VI * efx_vf_size(efx));
- kfree(rxqs);
efx_vfdi_flush_clear(vf);
vf->evq0_count = 0;