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path: root/drivers/scsi/lpfc/lpfc_scsi.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c54
1 files changed, 37 insertions, 17 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 4e46045dea6d..6483c62730b3 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -130,7 +130,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
- for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
+ for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
shost_for_each_device(sdev, shost) {
new_queue_depth =
@@ -151,7 +151,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
new_queue_depth);
}
}
- lpfc_destroy_vport_work_array(vports);
+ lpfc_destroy_vport_work_array(phba, vports);
atomic_set(&phba->num_rsrc_err, 0);
atomic_set(&phba->num_cmd_success, 0);
}
@@ -166,7 +166,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
- for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) {
+ for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
shost_for_each_device(sdev, shost) {
if (sdev->ordered_tags)
@@ -179,7 +179,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
sdev->queue_depth+1);
}
}
- lpfc_destroy_vport_work_array(vports);
+ lpfc_destroy_vport_work_array(phba, vports);
atomic_set(&phba->num_rsrc_err, 0);
atomic_set(&phba->num_cmd_success, 0);
}
@@ -380,7 +380,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
(num_bde * sizeof (struct ulp_bde64));
iocb_cmd->ulpBdeCount = 1;
iocb_cmd->ulpLe = 1;
- fcp_cmnd->fcpDl = be32_to_cpu(scsi_bufflen(scsi_cmnd));
+ fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd));
return 0;
}
@@ -542,6 +542,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
int result;
struct scsi_device *sdev, *tmp_sdev;
int depth = 0;
+ unsigned long flags;
lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
@@ -608,6 +609,15 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
cmd->scsi_done(cmd);
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
+ /*
+ * If there is a thread waiting for command completion
+ * wake up the thread.
+ */
+ spin_lock_irqsave(sdev->host->host_lock, flags);
+ lpfc_cmd->pCmd = NULL;
+ if (lpfc_cmd->waitq)
+ wake_up(lpfc_cmd->waitq);
+ spin_unlock_irqrestore(sdev->host->host_lock, flags);
lpfc_release_scsi_buf(phba, lpfc_cmd);
return;
}
@@ -669,6 +679,16 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
}
}
+ /*
+ * If there is a thread waiting for command completion
+ * wake up the thread.
+ */
+ spin_lock_irqsave(sdev->host->host_lock, flags);
+ lpfc_cmd->pCmd = NULL;
+ if (lpfc_cmd->waitq)
+ wake_up(lpfc_cmd->waitq);
+ spin_unlock_irqrestore(sdev->host->host_lock, flags);
+
lpfc_release_scsi_buf(phba, lpfc_cmd);
}
@@ -743,6 +763,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
piocbq->iocb.ulpContext = pnode->nlp_rpi;
if (pnode->nlp_fcp_info & NLP_FCP_2_DEVICE)
piocbq->iocb.ulpFCP2Rcvy = 1;
+ else
+ piocbq->iocb.ulpFCP2Rcvy = 0;
piocbq->iocb.ulpClass = (pnode->nlp_fcp_info & 0x0f);
piocbq->context1 = lpfc_cmd;
@@ -1018,8 +1040,8 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
struct lpfc_iocbq *abtsiocb;
struct lpfc_scsi_buf *lpfc_cmd;
IOCB_t *cmd, *icmd;
- unsigned int loop_count = 0;
int ret = SUCCESS;
+ DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);
lpfc_block_error_handler(cmnd);
lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
@@ -1074,17 +1096,15 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_sli_poll_fcp_ring (phba);
+ lpfc_cmd->waitq = &waitq;
/* Wait for abort to complete */
- while (lpfc_cmd->pCmd == cmnd)
- {
- if (phba->cfg_poll & DISABLE_FCP_RING_INT)
- lpfc_sli_poll_fcp_ring (phba);
+ wait_event_timeout(waitq,
+ (lpfc_cmd->pCmd != cmnd),
+ (2*vport->cfg_devloss_tmo*HZ));
- schedule_timeout_uninterruptible(LPFC_ABORT_WAIT * HZ);
- if (++loop_count
- > (2 * vport->cfg_devloss_tmo)/LPFC_ABORT_WAIT)
- break;
- }
+ spin_lock_irq(shost->host_lock);
+ lpfc_cmd->waitq = NULL;
+ spin_unlock_irq(shost->host_lock);
if (lpfc_cmd->pCmd == cmnd) {
ret = FAILED;
@@ -1438,7 +1458,7 @@ struct scsi_host_template lpfc_template = {
.slave_destroy = lpfc_slave_destroy,
.scan_finished = lpfc_scan_finished,
.this_id = -1,
- .sg_tablesize = LPFC_SG_SEG_CNT,
+ .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
.use_sg_chaining = ENABLE_SG_CHAINING,
.cmd_per_lun = LPFC_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
@@ -1459,7 +1479,7 @@ struct scsi_host_template lpfc_vport_template = {
.slave_destroy = lpfc_slave_destroy,
.scan_finished = lpfc_scan_finished,
.this_id = -1,
- .sg_tablesize = LPFC_SG_SEG_CNT,
+ .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT,
.cmd_per_lun = LPFC_CMD_PER_LUN,
.use_clustering = ENABLE_CLUSTERING,
.use_sg_chaining = ENABLE_SG_CHAINING,