[SCSI] lpfc 8.3.5: fix fcp command polling, add FIP mode, performance optimisations and devloss timout fixes
This patch includes the following changes:
- Fixed Panic/Hang when using polling mode for fcp commands
- Added support for Read_rev mbox bits indicating FIP mode of HBA
- Optimize performance of slow-path handling of els responses
- Add code to cleanup orphaned unsolicited receive sequences
- Fixed Devloss timeout when multiple initiators are in same zone
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index bcddb6c..f5ab5dd 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -2773,7 +2773,9 @@
struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
- lpfc_sli_poll_fcp_ring (phba);
+ lpfc_sli_handle_fast_ring_event(phba,
+ &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);
+
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_poll_rearm_timer(phba);
}
@@ -2932,7 +2934,11 @@
goto out_host_busy_free_buf;
}
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
- lpfc_sli_poll_fcp_ring(phba);
+ spin_unlock(shost->host_lock);
+ lpfc_sli_handle_fast_ring_event(phba,
+ &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);
+
+ spin_lock(shost->host_lock);
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_poll_rearm_timer(phba);
}
@@ -3028,7 +3034,8 @@
}
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
- lpfc_sli_poll_fcp_ring (phba);
+ lpfc_sli_handle_fast_ring_event(phba,
+ &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);
lpfc_cmd->waitq = &waitq;
/* Wait for abort to complete */
@@ -3546,7 +3553,8 @@
rport->dev_loss_tmo = vport->cfg_devloss_tmo;
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
- lpfc_sli_poll_fcp_ring(phba);
+ lpfc_sli_handle_fast_ring_event(phba,
+ &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);
if (phba->cfg_poll & DISABLE_FCP_RING_INT)
lpfc_poll_rearm_timer(phba);
}
