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path: root/drivers/scsi/lpfc/lpfc_hbadisc.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hbadisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c157
1 files changed, 112 insertions, 45 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 091f68e5cb7..678a4b11059 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1074,6 +1074,12 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
mempool_free(pmb, phba->mbox_mem_pool);
+ /* don't perform discovery for SLI4 loopback diagnostic test */
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ !(phba->hba_flag & HBA_FCOE_MODE) &&
+ (phba->link_flag & LS_LOOPBACK_MODE))
+ return;
+
if (phba->fc_topology == LPFC_TOPOLOGY_LOOP &&
vport->fc_flag & FC_PUBLIC_LOOP &&
!(vport->fc_flag & FC_LBIT)) {
@@ -2646,9 +2652,14 @@ lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
- /* VFI not supported on interface type 0, just do the flogi */
- if (mboxq->u.mb.mbxStatus && (bf_get(lpfc_sli_intf_if_type,
- &phba->sli4_hba.sli_intf) != LPFC_SLI_INTF_IF_TYPE_0)) {
+ /*
+ * VFI not supported on interface type 0, just do the flogi
+ * Also continue if the VFI is in use - just use the same one.
+ */
+ if (mboxq->u.mb.mbxStatus &&
+ (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_0) &&
+ mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_MBOX,
"2891 Init VFI mailbox failed 0x%x\n",
@@ -2842,10 +2853,10 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
lpfc_disc_list_loopmap(vport);
/* Start discovery */
lpfc_disc_start(vport);
- goto fail_free_mem;
+ goto out_free_mem;
}
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
- goto fail_free_mem;
+ goto out_free_mem;
}
/* The VPI is implicitly registered when the VFI is registered */
spin_lock_irq(shost->host_lock);
@@ -2855,10 +2866,16 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(shost->host_lock);
+ /* In case SLI4 FC loopback test, we are ready */
+ if ((phba->sli_rev == LPFC_SLI_REV4) &&
+ (phba->link_flag & LS_LOOPBACK_MODE)) {
+ phba->link_state = LPFC_HBA_READY;
+ goto out_free_mem;
+ }
+
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
/* For private loop just start discovery and we are done. */
if ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
- (phba->alpa_map[0] == 0) &&
!(vport->fc_flag & FC_PUBLIC_LOOP)) {
/* Use loop map to make discovery list */
lpfc_disc_list_loopmap(vport);
@@ -2870,7 +2887,7 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
}
}
-fail_free_mem:
+out_free_mem:
mempool_free(mboxq, phba->mbox_mem_pool);
lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
kfree(dmabuf);
@@ -2923,6 +2940,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
{
struct lpfc_vport *vport = phba->pport;
LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL;
+ struct Scsi_Host *shost;
int i;
struct lpfc_dmabuf *mp;
int rc;
@@ -2946,6 +2964,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la);
phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED;
+ shost = lpfc_shost_from_vport(vport);
if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
@@ -2957,8 +2976,11 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
"1309 Link Up Event npiv not supported in loop "
"topology\n");
/* Get Loop Map information */
- if (bf_get(lpfc_mbx_read_top_il, la))
+ if (bf_get(lpfc_mbx_read_top_il, la)) {
+ spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_LBIT;
+ spin_unlock_irq(shost->host_lock);
+ }
vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la);
i = la->lilpBde64.tus.f.bdeSize;
@@ -3003,11 +3025,13 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
} else {
if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) {
if (phba->max_vpi && phba->cfg_enable_npiv &&
- (phba->sli_rev == 3))
+ (phba->sli_rev >= LPFC_SLI_REV3))
phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
}
vport->fc_myDID = phba->fc_pref_DID;
+ spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_LBIT;
+ spin_unlock_irq(shost->host_lock);
}
spin_unlock_irq(&phba->hbalock);
@@ -3224,15 +3248,14 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
} else if (bf_get(lpfc_mbx_read_top_att_type, la) ==
LPFC_ATT_LINK_DOWN) {
phba->fc_stat.LinkDown++;
- if (phba->link_flag & LS_LOOPBACK_MODE) {
+ if (phba->link_flag & LS_LOOPBACK_MODE)
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
"1308 Link Down Event in loop back mode "
"x%x received "
"Data: x%x x%x x%x\n",
la->eventTag, phba->fc_eventTag,
phba->pport->port_state, vport->fc_flag);
- }
- else {
+ else
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
"1305 Link Down Event x%x received "
"Data: x%x x%x x%x x%x x%x\n",
@@ -3240,7 +3263,6 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
phba->pport->port_state, vport->fc_flag,
bf_get(lpfc_mbx_read_top_mm, la),
bf_get(lpfc_mbx_read_top_fa, la));
- }
lpfc_mbx_issue_link_down(phba);
}
if ((bf_get(lpfc_mbx_read_top_mm, la)) &&
@@ -3594,6 +3616,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
MAILBOX_t *mb = &pmb->u.mb;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
ndlp = (struct lpfc_nodelist *) pmb->context2;
pmb->context1 = NULL;
@@ -3639,8 +3662,12 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
* vport discovery */
if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
lpfc_start_fdiscs(phba);
- else
+ else {
+ shost = lpfc_shost_from_vport(vport);
+ spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ;
+ spin_unlock_irq(shost->host_lock);
+ }
lpfc_do_scr_ns_plogi(phba, vport);
}
@@ -5353,6 +5380,73 @@ lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn)
return ndlp;
}
+/*
+ * This routine looks up the ndlp lists for the given RPI. If the rpi
+ * is found, the routine returns the node element list pointer else
+ * return NULL.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_nodelist *ndlp;
+
+ spin_lock_irq(shost->host_lock);
+ ndlp = __lpfc_findnode_rpi(vport, rpi);
+ spin_unlock_irq(shost->host_lock);
+ return ndlp;
+}
+
+/**
+ * lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: the physical 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;
+}
+
void
lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint32_t did)
@@ -5599,7 +5693,7 @@ out:
*
* This function frees memory associated with the mailbox command.
*/
-static void
+void
lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
@@ -5651,7 +5745,6 @@ lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
int
lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
{
- LPFC_MBOXQ_t *mbox;
struct lpfc_vport **vports;
struct lpfc_nodelist *ndlp;
struct Scsi_Host *shost;
@@ -5687,35 +5780,9 @@ lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
/* Cleanup any outstanding ELS commands */
lpfc_els_flush_all_cmd(phba);
- /* Unregister VFI */
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox) {
- 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(mbox, phba->pport);
- mbox->vport = phba->pport;
- mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl;
-
- rc = lpfc_sli_issue_mbox(phba, mbox, 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(mbox, phba->mbox_mem_pool);
- return -EIO;
- }
-
- shost = lpfc_shost_from_vport(phba->pport);
- spin_lock_irq(shost->host_lock);
- phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
- spin_unlock_irq(shost->host_lock);
-
- return 0;
+ /* Unregister the physical port VFI */
+ rc = lpfc_issue_unreg_vfi(phba->pport);
+ return rc;
}
/**