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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.c214
1 files changed, 124 insertions, 90 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 445826a4c98..7afc757338d 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -421,13 +421,13 @@ fail:
* @vport: pointer to a host virtual N_Port data structure.
*
* This routine issues a REG_VFI mailbox for the vfi, vpi, fcfi triplet for
- * the @vport. This mailbox command is necessary for FCoE only.
+ * the @vport. This mailbox command is necessary for SLI4 port only.
*
* Return code
* 0 - successfully issued REG_VFI for @vport
* A failure code otherwise.
**/
-static int
+int
lpfc_issue_reg_vfi(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
@@ -438,10 +438,14 @@ lpfc_issue_reg_vfi(struct lpfc_vport *vport)
int rc = 0;
sp = &phba->fc_fabparam;
- ndlp = lpfc_findnode_did(vport, Fabric_DID);
- if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
- rc = -ENODEV;
- goto fail;
+ /* move forward in case of SLI4 FC port loopback test */
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ !(phba->link_flag & LS_LOOPBACK_MODE)) {
+ ndlp = lpfc_findnode_did(vport, Fabric_DID);
+ if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
+ rc = -ENODEV;
+ goto fail;
+ }
}
dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
@@ -487,6 +491,54 @@ fail:
}
/**
+ * lpfc_issue_unreg_vfi - Unregister VFI for this vport's fabric login
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues a UNREG_VFI mailbox with the vfi, vpi, fcfi triplet for
+ * the @vport. This mailbox command is necessary for SLI4 port only.
+ *
+ * Return code
+ * 0 - successfully issued REG_VFI for @vport
+ * A failure code otherwise.
+ **/
+int
+lpfc_issue_unreg_vfi(struct lpfc_vport *vport)
+{
+ struct lpfc_hba *phba = vport->phba;
+ struct Scsi_Host *shost;
+ LPFC_MBOXQ_t *mboxq;
+ int rc;
+
+ mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mboxq) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
+ "2556 UNREG_VFI mbox allocation failed"
+ "HBA state x%x\n", phba->pport->port_state);
+ return -ENOMEM;
+ }
+
+ lpfc_unreg_vfi(mboxq, vport);
+ mboxq->vport = vport;
+ mboxq->mbox_cmpl = lpfc_unregister_vfi_cmpl;
+
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
+ "2557 UNREG_VFI issue mbox failed rc x%x "
+ "HBA state x%x\n",
+ rc, phba->pport->port_state);
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return -EIO;
+ }
+
+ shost = lpfc_shost_from_vport(vport);
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~FC_VFI_REGISTERED;
+ spin_unlock_irq(shost->host_lock);
+ return 0;
+}
+
+/**
* lpfc_check_clean_addr_bit - Check whether assigned FCID is clean.
* @vport: pointer to a host virtual N_Port data structure.
* @sp: pointer to service parameter data structure.
@@ -615,7 +667,9 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
"1816 FLOGI NPIV supported, "
"response data 0x%x\n",
sp->cmn.response_multiple_NPort);
+ spin_lock_irq(&phba->hbalock);
phba->link_flag |= LS_NPIV_FAB_SUPPORTED;
+ spin_unlock_irq(&phba->hbalock);
} else {
/* Because we asked f/w for NPIV it still expects us
to call reg_vnpid atleast for the physcial host */
@@ -623,7 +677,9 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
LOG_ELS | LOG_VPORT,
"1817 Fabric does not support NPIV "
"- configuring single port mode.\n");
+ spin_lock_irq(&phba->hbalock);
phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED;
+ spin_unlock_irq(&phba->hbalock);
}
}
@@ -686,11 +742,16 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_do_scr_ns_plogi(phba, vport);
} else if (vport->fc_flag & FC_VFI_REGISTERED)
lpfc_issue_init_vpi(vport);
- else
+ else {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "3135 Need register VFI: (x%x/%x)\n",
+ vport->fc_prevDID, vport->fc_myDID);
lpfc_issue_reg_vfi(vport);
+ }
}
return 0;
}
+
/**
* lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port
* @vport: pointer to a host virtual N_Port data structure.
@@ -907,17 +968,16 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* LPFC_MAX_DISC_THREADS (32). Scanning in the case of no
* alpa map would take too long otherwise.
*/
- if (phba->alpa_map[0] == 0) {
+ if (phba->alpa_map[0] == 0)
vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS;
- if ((phba->sli_rev == LPFC_SLI_REV4) &&
- (!(vport->fc_flag & FC_VFI_REGISTERED) ||
- (vport->fc_prevDID != vport->fc_myDID))) {
- if (vport->fc_flag & FC_VFI_REGISTERED)
- lpfc_sli4_unreg_all_rpis(vport);
- lpfc_issue_reg_vfi(vport);
- lpfc_nlp_put(ndlp);
- goto out;
- }
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ (!(vport->fc_flag & FC_VFI_REGISTERED) ||
+ (vport->fc_prevDID != vport->fc_myDID))) {
+ if (vport->fc_flag & FC_VFI_REGISTERED)
+ lpfc_sli4_unreg_all_rpis(vport);
+ lpfc_issue_reg_vfi(vport);
+ lpfc_nlp_put(ndlp);
+ goto out;
}
goto flogifail;
}
@@ -1075,6 +1135,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Setup CSPs accordingly for Fabric */
sp->cmn.e_d_tov = 0;
sp->cmn.w2.r_a_tov = 0;
+ sp->cmn.virtual_fabric_support = 0;
sp->cls1.classValid = 0;
sp->cls2.seqDelivery = 1;
sp->cls3.seqDelivery = 1;
@@ -1163,8 +1224,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba)
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
icmd = &iocb->iocb;
- if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR &&
- icmd->un.elsreq64.bdl.ulpIoTag32) {
+ if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) {
ndlp = (struct lpfc_nodelist *)(iocb->context1);
if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
(ndlp->nlp_DID == Fabric_DID))
@@ -3066,17 +3126,22 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (did == FDMI_DID)
retry = 1;
- if (((cmd == ELS_CMD_FLOGI) || (cmd == ELS_CMD_FDISC)) &&
+ if ((cmd == ELS_CMD_FLOGI) &&
(phba->fc_topology != LPFC_TOPOLOGY_LOOP) &&
!lpfc_error_lost_link(irsp)) {
/* FLOGI retry policy */
retry = 1;
- /* retry forever */
+ /* retry FLOGI forever */
maxretry = 0;
if (cmdiocb->retry >= 100)
delay = 5000;
else if (cmdiocb->retry >= 32)
delay = 1000;
+ } else if ((cmd == ELS_CMD_FDISC) && !lpfc_error_lost_link(irsp)) {
+ /* retry FDISCs every second up to devloss */
+ retry = 1;
+ maxretry = vport->cfg_devloss_tmo;
+ delay = 1000;
}
cmdiocb->retry++;
@@ -3389,11 +3454,17 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/*
* The driver received a LOGO from the rport and has ACK'd it.
- * At this point, the driver is done so release the IOCB and
- * remove the ndlp reference.
+ * At this point, the driver is done so release the IOCB
*/
lpfc_els_free_iocb(phba, cmdiocb);
- lpfc_nlp_put(ndlp);
+
+ /*
+ * Remove the ndlp reference if it's a fabric node that has
+ * sent us an unsolicted LOGO.
+ */
+ if (ndlp->nlp_type & NLP_FABRIC)
+ lpfc_nlp_put(ndlp);
+
return;
}
@@ -4867,23 +4938,31 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
sizeof(struct lpfc_name));
if (!rc) {
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox)
+ if (phba->sli_rev < LPFC_SLI_REV4) {
+ mbox = mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!mbox)
+ return 1;
+ lpfc_linkdown(phba);
+ lpfc_init_link(phba, mbox,
+ phba->cfg_topology,
+ phba->cfg_link_speed);
+ mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;
+ mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ mbox->vport = vport;
+ rc = lpfc_sli_issue_mbox(phba, mbox,
+ MBX_NOWAIT);
+ lpfc_set_loopback_flag(phba);
+ if (rc == MBX_NOT_FINISHED)
+ mempool_free(mbox, phba->mbox_mem_pool);
return 1;
-
- lpfc_linkdown(phba);
- lpfc_init_link(phba, mbox,
- phba->cfg_topology,
- phba->cfg_link_speed);
- mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;
- mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
- mbox->vport = vport;
- rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
- lpfc_set_loopback_flag(phba);
- if (rc == MBX_NOT_FINISHED) {
- mempool_free(mbox, phba->mbox_mem_pool);
+ } else {
+ /* abort the flogi coming back to ourselves
+ * due to external loopback on the port.
+ */
+ lpfc_els_abort_flogi(phba);
+ return 0;
}
- return 1;
} else if (rc > 0) { /* greater than */
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_PT2PT_PLOGI;
@@ -5838,8 +5917,12 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
vport->fc_myDID = vport->fc_prevDID;
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
- else
+ else {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+ "3138 Need register VFI: (x%x/%x)\n",
+ vport->fc_prevDID, vport->fc_myDID);
lpfc_issue_reg_vfi(vport);
+ }
}
}
return 0;
@@ -6596,56 +6679,6 @@ dropit:
}
/**
- * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
- * @phba: pointer to lpfc hba data structure.
- * @vpi: host virtual N_Port identifier.
- *
- * This routine finds a vport on a HBA (referred by @phba) through a
- * @vpi. The function walks the HBA's vport list and returns the address
- * of the vport with the matching @vpi.
- *
- * Return code
- * NULL - No vport with the matching @vpi found
- * Otherwise - Address to the vport with the matching @vpi.
- **/
-struct lpfc_vport *
-lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
-{
- struct lpfc_vport *vport;
- unsigned long flags;
- int i = 0;
-
- /* The physical ports are always vpi 0 - translate is unnecessary. */
- if (vpi > 0) {
- /*
- * Translate the physical vpi to the logical vpi. The
- * vport stores the logical vpi.
- */
- for (i = 0; i < phba->max_vpi; i++) {
- if (vpi == phba->vpi_ids[i])
- break;
- }
-
- if (i >= phba->max_vpi) {
- lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
- "2936 Could not find Vport mapped "
- "to vpi %d\n", vpi);
- return NULL;
- }
- }
-
- spin_lock_irqsave(&phba->hbalock, flags);
- list_for_each_entry(vport, &phba->port_list, listentry) {
- if (vport->vpi == i) {
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return vport;
- }
- }
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return NULL;
-}
-
-/**
* lpfc_els_unsol_event - Process an unsolicited event from an els sli ring
* @phba: pointer to lpfc hba data structure.
* @pring: pointer to a SLI ring.
@@ -7281,6 +7314,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Setup CSPs accordingly for Fabric */
sp->cmn.e_d_tov = 0;
sp->cmn.w2.r_a_tov = 0;
+ sp->cmn.virtual_fabric_support = 0;
sp->cls1.classValid = 0;
sp->cls2.seqDelivery = 1;
sp->cls3.seqDelivery = 1;