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scsi: qla2xxx: move fields from qla_hw_data to qla_qpair

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- Move chip_reset, enable_class_2 fields from qla_hw_data to qla_qpair
  to reduce cache thrash for target MQ.
- Optimizations to reduce unnecessary memory load for good path io.

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 20:47:22 -07:00
committed by Martin K. Petersen
parent 4b60c82736
commit 7c3f8fd10b
6 changed files with 73 additions and 48 deletions
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25
drivers/scsi/qla2xxx/qla_def.h
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@@ -3252,6 +3252,7 @@ struct qla_qpair {
*/
spinlock_t *qp_lock_ptr;
struct scsi_qla_host *vha;
u32 chip_reset;
/* distill these fields down to 'online=0/1'
* ha->flags.eeh_busy
@@ -3263,6 +3264,8 @@ struct qla_qpair {
uint32_t difdix_supported:1;
uint32_t delete_in_progress:1;
uint32_t fw_started:1;
uint32_t enable_class_2:1;
uint32_t enable_explicit_conf:1;
uint16_t id; /* qp number used with FW */
uint16_t vp_idx; /* vport ID */
@@ -3296,8 +3299,6 @@ struct scsi_qlt_host {
struct qlt_hw_data {
/* Protected by hw lock */
uint32_t enable_class_2:1;
uint32_t enable_explicit_conf:1;
uint32_t node_name_set:1;
dma_addr_t atio_dma; /* Physical address. */
@@ -3954,7 +3955,6 @@ struct qla_hw_data {
struct work_struct board_disable;
struct mr_data_fx00 mr;
uint32_t chip_reset;
struct qlt_hw_data tgt;
int allow_cna_fw_dump;
@@ -4247,6 +4247,25 @@ struct qla2_sgx {
#define QLA_QPAIR_MARK_NOT_BUSY(__qpair) \
atomic_dec(&__qpair->ref_count); \
#define QLA_ENA_CONF(_ha) {\
int i;\
_ha->base_qpair->enable_explicit_conf = 1; \
for (i = 0; i < _ha->max_qpairs; i++) { \
if (_ha->queue_pair_map[i]) \
_ha->queue_pair_map[i]->enable_explicit_conf = 1; \
} \
}
#define QLA_DIS_CONF(_ha) {\
int i;\
_ha->base_qpair->enable_explicit_conf = 0; \
for (i = 0; i < _ha->max_qpairs; i++) { \
if (_ha->queue_pair_map[i]) \
_ha->queue_pair_map[i]->enable_explicit_conf = 0; \
} \
}
/*
* qla2x00 local function return status codes
*/