[SCSI] lpfc 8.3.12: Fix discovery issues
- Add code to prevent unreg_vpi mailbox command from failing.
- Add code to reset the HBA if unreg_vpi mailbox fails with busy status.
- Remove code that was clearing the nlp_type stored during rport discovery.
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
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_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index d2b55f0..1f87b4f 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -475,6 +475,10 @@
lpfc_send_fastpath_evt(phba, evtp);
free_evt = 0;
break;
+ case LPFC_EVT_RESET_HBA:
+ if (!(phba->pport->load_flag & FC_UNLOADING))
+ lpfc_reset_hba(phba);
+ break;
}
if (free_evt)
kfree(evtp);
@@ -2737,11 +2741,18 @@
switch (mb->mbxStatus) {
case 0x0011:
case 0x0020:
- case 0x9700:
lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
"0911 cmpl_unreg_vpi, mb status = 0x%x\n",
mb->mbxStatus);
break;
+ /* If VPI is busy, reset the HBA */
+ case 0x9700:
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
+ vport->vpi, mb->mbxStatus);
+ if (!(phba->pport->load_flag & FC_UNLOADING))
+ lpfc_workq_post_event(phba, NULL, NULL,
+ LPFC_EVT_RESET_HBA);
}
spin_lock_irq(shost->host_lock);
vport->vpi_state &= ~LPFC_VPI_REGISTERED;
@@ -3233,7 +3244,6 @@
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if (new_state == NLP_STE_UNMAPPED_NODE) {
- ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
ndlp->nlp_type |= NLP_FC_NODE;
}
@@ -4991,6 +5001,7 @@
ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
if (ndlp)
lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
+ lpfc_cleanup_pending_mbox(vports[i]);
lpfc_mbx_unreg_vpi(vports[i]);
shost = lpfc_shost_from_vport(vports[i]);
spin_lock_irq(shost->host_lock);