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scsi: qla2xxx: Add fw_started flags to qpair

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Add fw_started flag to qpair to reduce cache thrash.  This reduce access
to qla_hw_data structure by each qpair.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2017-06-13 20:47:21 -07:00 committed by Martin K. Petersen
parent 09620eeb62
commit 4b60c82736
4 changed files with 28 additions and 8 deletions
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21
drivers/scsi/qla2xxx/qla_def.h
View File

@ -3262,6 +3262,7 @@ struct qla_qpair {
/* move vha->flags.difdix_supported here */
uint32_t difdix_supported:1;
uint32_t delete_in_progress:1;
uint32_t fw_started:1;
uint16_t id; /* qp number used with FW */
uint16_t vp_idx; /* vport ID */
@ -4183,6 +4184,26 @@ struct qla2_sgx {
srb_t *sp;
};
#define QLA_FW_STARTED(_ha) { \
int i; \
_ha->flags.fw_started = 1; \
_ha->base_qpair->fw_started = 1; \
for (i = 0; i < _ha->max_qpairs; i++) { \
if (_ha->queue_pair_map[i]) \
_ha->queue_pair_map[i]->fw_started = 1; \
} \
}
#define QLA_FW_STOPPED(_ha) { \
int i; \
_ha->flags.fw_started = 0; \
_ha->base_qpair->fw_started = 0; \
for (i = 0; i < _ha->max_qpairs; i++) { \
if (_ha->queue_pair_map[i]) \
_ha->queue_pair_map[i]->fw_started = 0; \
} \
}
/*
* Macros to help code, maintain, etc.
*/

4
drivers/scsi/qla2xxx/qla_init.c
View File

@ -3207,7 +3207,7 @@ next_check:
} else {
ql_dbg(ql_dbg_init, vha, 0x00d3,
"Init Firmware -- success.\n");
ha->flags.fw_started = 1;
QLA_FW_STARTED(ha);
}
return (rval);
@ -6841,7 +6841,7 @@ qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
ret = qla2x00_stop_firmware(vha);
}
ha->flags.fw_started = 0;
QLA_FW_STOPPED(ha);
ha->flags.fw_init_done = 0;
}

2
drivers/scsi/qla2xxx/qla_isr.c
View File

@ -710,7 +710,7 @@ skip_rio:
ha->isp_ops->fw_dump(vha, 1);
ha->flags.fw_init_done = 0;
ha->flags.fw_started = 0;
QLA_FW_STOPPED(ha);
if (IS_FWI2_CAPABLE(ha)) {
if (mb[1] == 0 && mb[2] == 0) {

9
drivers/scsi/qla2xxx/qla_target.c
View File

@ -3086,7 +3086,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
else
vha->tgt_counters.core_qla_que_buf++;
if (!ha->flags.fw_started || cmd->reset_count != ha->chip_reset) {
if (!qpair->fw_started || cmd->reset_count != vha->hw->chip_reset) {
/*
* Either the port is not online or this request was from
* previous life, just abort the processing.
@ -3096,7 +3096,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
ql_dbg(ql_dbg_async, vha, 0xe101,
"RESET-RSP online/active/old-count/new-count = %d/%d/%d/%d.\n",
vha->flags.online, qla2x00_reset_active(vha),
cmd->reset_count, ha->chip_reset);
cmd->reset_count, vha->hw->chip_reset);
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
return 0;
}
@ -3206,7 +3206,6 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
{
struct ctio7_to_24xx *pkt;
struct scsi_qla_host *vha = cmd->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = cmd->tgt;
struct qla_tgt_prm prm;
unsigned long flags = 0;
@ -3223,7 +3222,7 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
if (qlt_pci_map_calc_cnt(&prm) != 0)
return -EAGAIN;
if (!ha->flags.fw_started || (cmd->reset_count != ha->chip_reset) ||
if (!qpair->fw_started || (cmd->reset_count != vha->hw->chip_reset) ||
(cmd->sess && cmd->sess->deleted)) {
/*
* Either the port is not online or this request was from
@ -3234,7 +3233,7 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
ql_dbg(ql_dbg_async, vha, 0xe102,
"RESET-XFR online/active/old-count/new-count = %d/%d/%d/%d.\n",
vha->flags.online, qla2x00_reset_active(vha),
cmd->reset_count, ha->chip_reset);
cmd->reset_count, vha->hw->chip_reset);
return 0;
}