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path: root/drivers/scsi/lpfc/lpfc_els.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_els.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c161
1 files changed, 136 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 08b6634cb994..c4c7f0ad7468 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -21,6 +21,7 @@
/* See Fibre Channel protocol T11 FC-LS for details */
#include <linux/blkdev.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <scsi/scsi.h>
@@ -583,6 +584,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
spin_unlock_irq(shost->host_lock);
lpfc_unreg_rpi(vport, np);
}
+ lpfc_cleanup_pending_mbox(vport);
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
lpfc_mbx_unreg_vpi(vport);
spin_lock_irq(shost->host_lock);
@@ -771,6 +773,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp = cmdiocb->context1;
struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
struct serv_parm *sp;
+ uint16_t fcf_index;
int rc;
/* Check to see if link went down during discovery */
@@ -788,6 +791,54 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
vport->port_state);
if (irsp->ulpStatus) {
+ /*
+ * In case of FIP mode, perform round robin FCF failover
+ * due to new FCF discovery
+ */
+ if ((phba->hba_flag & HBA_FIP_SUPPORT) &&
+ (phba->fcf.fcf_flag & FCF_DISCOVERY)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
+ "2611 FLOGI failed on registered "
+ "FCF record fcf_index:%d, trying "
+ "to perform round robin failover\n",
+ phba->fcf.current_rec.fcf_indx);
+ fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
+ if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
+ /*
+ * Exhausted the eligible FCF record list,
+ * fail through to retry FLOGI on current
+ * FCF record.
+ */
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_FIP | LOG_ELS,
+ "2760 FLOGI exhausted FCF "
+ "round robin failover list, "
+ "retry FLOGI on the current "
+ "registered FCF index:%d\n",
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ } else {
+ rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba,
+ fcf_index);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_WARNING,
+ LOG_FIP | LOG_ELS,
+ "2761 FLOGI round "
+ "robin FCF failover "
+ "read FCF failed "
+ "rc:x%x, fcf_index:"
+ "%d\n", rc,
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ } else
+ goto out;
+ }
+ }
+
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb))
goto out;
@@ -806,15 +857,15 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* FLOGI failure */
- lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
- "0100 FLOGI failure Data: x%x x%x "
- "x%x\n",
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0100 FLOGI failure Status:x%x/x%x TMO:x%x\n",
irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout);
goto flogifail;
}
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+ vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
spin_unlock_irq(shost->host_lock);
/*
@@ -842,8 +893,21 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
else
rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp);
- if (!rc)
+ if (!rc) {
+ /* Mark the FCF discovery process done */
+ if (phba->hba_flag & HBA_FIP_SUPPORT)
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP |
+ LOG_ELS,
+ "2769 FLOGI successful on FCF "
+ "record: current_fcf_index:"
+ "x%x, terminate FCF round "
+ "robin failover process\n",
+ phba->fcf.current_rec.fcf_indx);
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
goto out;
+ }
}
flogifail:
@@ -981,7 +1045,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
* function returns, it does not guarantee all the IOCBs are actually aborted.
*
* Return code
- * 0 - Sucessfully issued abort iocb on all outstanding flogis (Always 0)
+ * 0 - Successfully issued abort iocb on all outstanding flogis (Always 0)
**/
int
lpfc_els_abort_flogi(struct lpfc_hba *phba)
@@ -1409,6 +1473,10 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* PLOGI failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2753 PLOGI failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
rc = NLP_STE_FREED_NODE;
@@ -1577,6 +1645,10 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* PRLI failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2754 PRLI failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
goto out;
@@ -1860,6 +1932,10 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}
/* ADISC failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2755 ADISC failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (!lpfc_error_lost_link(irsp))
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
@@ -2009,6 +2085,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* ELS command is being retried */
goto out;
/* LOGO failed */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "2756 LOGO failure DID:%06X Status:x%x/x%x\n",
+ ndlp->nlp_DID, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp))
goto out;
@@ -3129,7 +3209,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
(*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) {
/* A LS_RJT associated with Default RPI cleanup has its own
- * seperate code path.
+ * separate code path.
*/
if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI))
ls_rjt = 1;
@@ -5291,7 +5371,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
sizeof(struct lpfc_name));
pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
cmdiocbp->context2)->virt);
- lsrjt_event.command = *pcmd;
+ lsrjt_event.command = (pcmd != NULL) ? *pcmd : 0;
stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]);
lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode;
lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp;
@@ -5975,7 +6055,8 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
- if (vport->port_type == LPFC_PHYSICAL_PORT)
+ if (vport->port_type == LPFC_PHYSICAL_PORT
+ && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
lpfc_initial_flogi(vport);
else
lpfc_initial_fdisc(vport);
@@ -5989,7 +6070,12 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
else {
- lpfc_start_fdiscs(phba);
+ /*
+ * If the physical port is instantiated using
+ * FDISC, do not start vport discovery.
+ */
+ if (vport->port_state != LPFC_FDISC)
+ lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
}
} else
@@ -6055,21 +6141,18 @@ mbox_err_exit:
}
/**
- * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * lpfc_cancel_all_vport_retry_delay_timer - Cancel all vport retry delay timer
* @phba: pointer to lpfc hba data structure.
*
- * This routine abort all pending discovery commands and
- * start a timer to retry FLOGI for the physical port
- * discovery.
+ * This routine cancels the retry delay timers to all the vports.
**/
void
-lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
struct lpfc_nodelist *ndlp;
- struct Scsi_Host *shost;
- int i;
uint32_t link_state;
+ int i;
/* Treat this failure as linkdown for all vports */
link_state = phba->link_state;
@@ -6087,13 +6170,30 @@ lpfc_retry_pport_discovery(struct lpfc_hba *phba)
}
lpfc_destroy_vport_work_array(phba, vports);
}
+}
+
+/**
+ * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine abort all pending discovery commands and
+ * start a timer to retry FLOGI for the physical port
+ * discovery.
+ **/
+void
+lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+{
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+
+ /* Cancel the all vports retry delay retry timers */
+ lpfc_cancel_all_vport_retry_delay_timer(phba);
/* If fabric require FLOGI, then re-instantiate physical login */
ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
if (!ndlp)
return;
-
shost = lpfc_shost_from_vport(phba->pport);
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
spin_lock_irq(shost->host_lock);
@@ -6192,6 +6292,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+ vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
vport->fc_flag |= FC_FABRIC;
if (vport->phba->fc_topology == TOPOLOGY_LOOP)
vport->fc_flag |= FC_PUBLIC_LOOP;
@@ -6216,10 +6317,14 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
spin_unlock_irq(shost->host_lock);
lpfc_unreg_rpi(vport, np);
}
+ lpfc_cleanup_pending_mbox(vport);
lpfc_mbx_unreg_vpi(vport);
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+ else
+ vport->fc_flag |= FC_LOGO_RCVD_DID_CHNG;
spin_unlock_irq(shost->host_lock);
}
@@ -6797,21 +6902,27 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
unsigned long iflag = 0;
- spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+ spin_lock_irqsave(&phba->hbalock, iflag);
+ spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
list_for_each_entry_safe(sglq_entry, sglq_next,
&phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
if (sglq_entry->sli4_xritag == xri) {
list_del(&sglq_entry->list);
- spin_unlock_irqrestore(
- &phba->sli4_hba.abts_sgl_list_lock,
- iflag);
- spin_lock_irqsave(&phba->hbalock, iflag);
-
list_add_tail(&sglq_entry->list,
&phba->sli4_hba.lpfc_sgl_list);
+ sglq_entry->state = SGL_FREED;
+ spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
return;
}
}
- spin_unlock_irqrestore(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+ spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
+ sglq_entry = __lpfc_get_active_sglq(phba, xri);
+ if (!sglq_entry || (sglq_entry->sli4_xritag != xri)) {
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
+ }
+ sglq_entry->state = SGL_XRI_ABORTED;
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
}