[SCSI] qla2xxx: Fix ISP restart bug in multiq code
After restarting ISP the additional queues are not being setup correctly. The
following patch fixes the issue.
Please apply.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2d4f32b..9ad4d09 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1258,35 +1258,48 @@
{
int rval;
unsigned long flags = 0;
- int cnt;
+ int cnt, que;
struct qla_hw_data *ha = vha->hw;
- struct req_que *req = ha->req_q_map[0];
- struct rsp_que *rsp = ha->rsp_q_map[0];
+ struct req_que *req;
+ struct rsp_que *rsp;
+ struct scsi_qla_host *vp;
struct mid_init_cb_24xx *mid_init_cb =
(struct mid_init_cb_24xx *) ha->init_cb;
spin_lock_irqsave(&ha->hardware_lock, flags);
/* Clear outstanding commands array. */
- for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
- req->outstanding_cmds[cnt] = NULL;
+ for (que = 0; que < ha->max_queues; que++) {
+ req = ha->req_q_map[que];
+ if (!req)
+ continue;
+ for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
+ req->outstanding_cmds[cnt] = NULL;
- req->current_outstanding_cmd = 0;
+ req->current_outstanding_cmd = 0;
+
+ /* Initialize firmware. */
+ req->ring_ptr = req->ring;
+ req->ring_index = 0;
+ req->cnt = req->length;
+ }
+
+ for (que = 0; que < ha->max_queues; que++) {
+ rsp = ha->rsp_q_map[que];
+ if (!rsp)
+ continue;
+ rsp->ring_ptr = rsp->ring;
+ rsp->ring_index = 0;
+
+ /* Initialize response queue entries */
+ qla2x00_init_response_q_entries(rsp);
+ }
/* Clear RSCN queue. */
- vha->rscn_in_ptr = 0;
- vha->rscn_out_ptr = 0;
-
- /* Initialize firmware. */
- req->ring_ptr = req->ring;
- req->ring_index = 0;
- req->cnt = req->length;
- rsp->ring_ptr = rsp->ring;
- rsp->ring_index = 0;
-
- /* Initialize response queue entries */
- qla2x00_init_response_q_entries(rsp);
-
+ list_for_each_entry(vp, &ha->vp_list, list) {
+ vp->rscn_in_ptr = 0;
+ vp->rscn_out_ptr = 0;
+ }
ha->isp_ops->config_rings(vha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -3212,8 +3225,8 @@
int rval = QLA_SUCCESS;
uint32_t wait_time;
struct qla_hw_data *ha = vha->hw;
- struct req_que *req = ha->req_q_map[0];
- struct rsp_que *rsp = ha->rsp_q_map[0];
+ struct req_que *req = ha->req_q_map[vha->req_ques[0]];
+ struct rsp_que *rsp = req->rsp;
atomic_set(&vha->loop_state, LOOP_UPDATE);
clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
@@ -3492,6 +3505,7 @@
}
req = ha->req_q_map[i];
if (req) {
+ /* Clear outstanding commands array. */
req->options &= ~BIT_0;
ret = qla25xx_init_req_que(base_vha, req, req->options);
if (ret != QLA_SUCCESS)
@@ -3500,7 +3514,7 @@
req->id));
else
DEBUG2_17(printk(KERN_WARNING
- "%s Rsp que:%d inited\n", __func__,
+ "%s Req que:%d inited\n", __func__,
req->id));
}
}
@@ -4151,8 +4165,8 @@
uint16_t mb[MAILBOX_REGISTER_COUNT];
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
- struct req_que *req = ha->req_q_map[0];
- struct rsp_que *rsp = ha->rsp_q_map[0];
+ struct req_que *req = ha->req_q_map[vha->req_ques[0]];
+ struct rsp_que *rsp = req->rsp;
if (!vha->vp_idx)
return -EINVAL;