#define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */
#define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */
#define FC_VPORT_NEEDS_INIT_VPI 0x200000 /* Need to INIT_VPI before FDISC */
+#define FC_VPORT_CVL_RCVD 0x400000 /* VLink failed due to CVL */
+#define FC_VFI_REGISTERED 0x800000 /* VFI is registered */
+#define FC_FDISC_COMPLETED 0x1000000/* FDISC completed */
uint32_t ct_flags;
#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */
void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
+void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
+ struct lpfc_nodelist *);
void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
void lpfc_rcv_seq_check_edtov(struct lpfc_vport *);
void lpfc_cleanup_rpis(struct lpfc_vport *, int);
+void lpfc_cleanup_pending_mbox(struct lpfc_vport *);
int lpfc_linkdown(struct lpfc_hba *);
void lpfc_linkdown_port(struct lpfc_vport *);
void lpfc_port_link_failure(struct lpfc_vport *);
void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_retry_pport_discovery(struct lpfc_hba *);
void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
struct lpfc_nodelist *ndlp, uint8_t retry);
static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba,
struct lpfc_iocbq *iocb);
-static void lpfc_register_new_vport(struct lpfc_hba *phba,
- struct lpfc_vport *vport,
- struct lpfc_nodelist *ndlp);
static int lpfc_max_els_tries = 3;
} else {
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
- if (vport->vpi_state & LPFC_VPI_REGISTERED) {
+ if ((!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) &&
+ (vport->vpi_state & LPFC_VPI_REGISTERED)) {
lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
- } else
+ } else if (vport->fc_flag & FC_VFI_REGISTERED)
+ lpfc_register_new_vport(phba, vport, ndlp);
+ else
lpfc_issue_reg_vfi(vport);
}
return 0;
irsp->ulpTimeout);
goto flogifail;
}
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+ spin_unlock_irq(shost->host_lock);
/*
* The FLogI succeeded. Sync the data for the CPU before
if (did == FDMI_DID)
retry = 1;
- if ((cmd == ELS_CMD_FLOGI) &&
+ if (((cmd == ELS_CMD_FLOGI) || (cmd == ELS_CMD_FDISC)) &&
(phba->fc_topology != TOPOLOGY_LOOP) &&
!lpfc_error_lost_link(irsp)) {
/* FLOGI retry policy */
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
MAILBOX_t *mb = &pmb->u.mb;
+ int rc;
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
lpfc_can_disctmo(vport);
break;
+ /* If reg_vpi fail with invalid VPI status, re-init VPI */
+ case 0x20:
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ spin_unlock_irq(shost->host_lock);
+ lpfc_init_vpi(phba, pmb, vport->vpi);
+ pmb->vport = vport;
+ pmb->mbox_cmpl = lpfc_init_vpi_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb,
+ MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ lpfc_printf_vlog(vport,
+ KERN_ERR, LOG_MBOX,
+ "2732 Failed to issue INIT_VPI"
+ " mailbox command\n");
+ } else {
+ lpfc_nlp_put(ndlp);
+ return;
+ }
+
default:
/* Try to recover from this error */
lpfc_mbx_unreg_vpi(vport);
break;
}
} else {
+ spin_lock_irq(shost->host_lock);
vport->vpi_state |= LPFC_VPI_REGISTERED;
- if (vport == phba->pport)
+ spin_unlock_irq(shost->host_lock);
+ if (vport == phba->pport) {
if (phba->sli_rev < LPFC_SLI_REV4)
lpfc_issue_fabric_reglogin(vport);
- else
- lpfc_issue_reg_vfi(vport);
- else
+ else {
+ lpfc_start_fdiscs(phba);
+ lpfc_do_scr_ns_plogi(phba, vport);
+ }
+ } else
lpfc_do_scr_ns_plogi(phba, vport);
}
* This routine registers the @vport as a new virtual port with a HBA.
* It is done through a registering vpi mailbox command.
**/
-static void
+void
lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp)
{
return;
}
+/**
+ * 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_vport **vports;
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+ int i;
+ uint32_t link_state;
+
+ /* Treat this failure as linkdown for all vports */
+ link_state = phba->link_state;
+ lpfc_linkdown(phba);
+ phba->link_state = link_state;
+
+ vports = lpfc_create_vport_work_array(phba);
+
+ if (vports) {
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+ ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
+ if (ndlp)
+ lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
+ lpfc_els_flush_cmd(vports[i]);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ }
+
+ /* 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);
+ ndlp->nlp_flag |= NLP_DELAY_TMO;
+ spin_unlock_irq(shost->host_lock);
+ ndlp->nlp_last_elscmd = ELS_CMD_FLOGI;
+ phba->pport->port_state = LPFC_FLOGI;
+ return;
+}
+
+/**
+ * lpfc_fabric_login_reqd - Check if FLOGI required.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to FDISC command iocb.
+ * @rspiocb: pointer to FDISC response iocb.
+ *
+ * This routine checks if a FLOGI is reguired for FDISC
+ * to succeed.
+ **/
+static int
+lpfc_fabric_login_reqd(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdiocb,
+ struct lpfc_iocbq *rspiocb)
+{
+
+ if ((rspiocb->iocb.ulpStatus != IOSTAT_FABRIC_RJT) ||
+ (rspiocb->iocb.un.ulpWord[4] != RJT_LOGIN_REQUIRED))
+ return 0;
+ else
+ return 1;
+}
+
/**
* lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command
* @phba: pointer to lpfc hba data structure.
irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID);
if (irsp->ulpStatus) {
+
+ if (lpfc_fabric_login_reqd(phba, cmdiocb, rspiocb)) {
+ lpfc_retry_pport_discovery(phba);
+ goto out;
+ }
+
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb))
goto out;
goto fdisc_failed;
}
spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
vport->fc_flag |= FC_FABRIC;
if (vport->phba->fc_topology == TOPOLOGY_LOOP)
vport->fc_flag |= FC_PUBLIC_LOOP;
void
lpfc_port_link_failure(struct lpfc_vport *vport)
{
+ lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
+
/* Cleanup any outstanding received buffers */
lpfc_cleanup_rcv_buffers(vport);
*
* This function handles completion of init vpi mailbox command.
*/
-static void
+void
lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
+ struct lpfc_nodelist *ndlp;
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_MBOX,
vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(&phba->hbalock);
+ /* If this port is physical port or FDISC is done, do reg_vpi */
+ if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) {
+ ndlp = lpfc_findnode_did(vport, Fabric_DID);
+ if (!ndlp)
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_DISCOVERY,
+ "2731 Cannot find fabric "
+ "controller node\n");
+ else
+ lpfc_register_new_vport(phba, vport, ndlp);
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return;
+ }
+
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
lpfc_initial_fdisc(vport);
else {
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"2606 No NPIV Fabric support\n");
}
+ mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
}
/* The VPI is implicitly registered when the VFI is registered */
vport->vpi_state |= LPFC_VPI_REGISTERED;
+ vport->fc_flag |= FC_VFI_REGISTERED;
+
+ vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
lpfc_start_fdiscs(phba);
}
vport->vpi_state |= LPFC_VPI_REGISTERED;
+ vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
vport->num_disc_nodes = 0;
/* go thru NPR list and issue ELS PLOGIs */
if (vport->fc_npr_cnt)
int rc;
struct lpfc_vport **vports;
int i;
+ struct lpfc_nodelist *ndlp;
spin_lock_irq(&phba->hbalock);
/*
if (vports &&
(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+ /* Stop FLOGI/FDISC retries */
+ ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
+ if (ndlp)
+ lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
lpfc_mbx_unreg_vpi(vports[i]);
spin_lock_irq(&phba->hbalock);
vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
}
lpfc_destroy_vport_work_array(phba, vports);
+ /* Cleanup any outstanding ELS commands */
+ lpfc_els_flush_all_cmd(phba);
+
/* Unregister VFI */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
return;
}
+ spin_lock_irq(&phba->hbalock);
+ phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
+ spin_unlock_irq(&phba->hbalock);
+
/* Unregister FCF */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
if (vports[i]->load_flag & FC_UNLOADING)
continue;
vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
+ vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ vports[i]->fc_flag &= ~FC_VFI_REGISTERED;
+
shost = lpfc_shost_from_vport(vports[i]);
list_for_each_entry_safe(ndlp, next_ndlp,
&vports[i]->fc_nodes,
struct lpfc_nodelist *ndlp;
struct Scsi_Host *shost;
uint32_t link_state;
+ int active_vlink_present;
+ struct lpfc_vport **vports;
+ int i;
phba->fc_eventTag = acqe_fcoe->event_tag;
phba->fcoe_eventtag = acqe_fcoe->event_tag;
if (!ndlp)
break;
shost = lpfc_shost_from_vport(vport);
+ if (phba->pport->port_state <= LPFC_FLOGI)
+ break;
+ /* If virtual link is not yet instantiated ignore CVL */
+ if (vport->port_state <= LPFC_FDISC)
+ break;
+
lpfc_linkdown_port(vport);
- if (vport->port_type != LPFC_NPIV_PORT) {
+ lpfc_cleanup_pending_mbox(vport);
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_CVL_RCVD;
+ spin_unlock_irq(shost->host_lock);
+ active_vlink_present = 0;
+
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports) {
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL;
+ i++) {
+ if ((!(vports[i]->fc_flag &
+ FC_VPORT_CVL_RCVD)) &&
+ (vports[i]->port_state > LPFC_FDISC)) {
+ active_vlink_present = 1;
+ break;
+ }
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ }
+
+ if (active_vlink_present) {
+ /*
+ * If there are other active VLinks present,
+ * re-instantiate the Vlink using FDISC.
+ */
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
- ndlp->nlp_last_elscmd = ELS_CMD_FLOGI;
- vport->port_state = LPFC_FLOGI;
+ ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+ vport->port_state = LPFC_FDISC;
+ } else {
+ lpfc_retry_pport_discovery(phba);
}
break;
default:
int rc;
memset(&stat, 0, sizeof (struct ls_rjt));
- if (vport->port_state <= LPFC_FLOGI) {
+ if (vport->port_state <= LPFC_FDISC) {
/* Before responding to PLOGI, check for pt2pt mode.
* If we are pt2pt, with an outstanding FLOGI, abort
* the FLOGI and resend it first.
struct lpfc_dmabuf *mp;
uint16_t rpi, vpi;
int rc;
+ struct lpfc_vport *vport = pmb->vport;
mp = (struct lpfc_dmabuf *) (pmb->context1);
return;
}
+ /* Unreg VPI, if the REG_VPI succeed after VLink failure */
+ if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) &&
+ !(phba->pport->load_flag & FC_UNLOADING) &&
+ !pmb->u.mb.mbxStatus) {
+ lpfc_unreg_vpi(phba, pmb->u.mb.un.varRegVpi.vpi, pmb);
+ pmb->vport = vport;
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ if (rc != MBX_NOT_FINISHED)
+ return;
+ }
+
if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG)
lpfc_sli4_mbox_cmd_free(phba, pmb);
else
wcqe->total_data_placed;
else
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
- else
+ else {
pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
+ pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed;
+ }
/* Pick up HBA exchange busy condition */
if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
kfree(rgn23_data);
return;
}
+
+/**
+ * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
+ * @vport: pointer to vport data structure.
+ *
+ * This function iterate through the mailboxq and clean up all REG_LOGIN
+ * and REG_VPI mailbox commands associated with the vport. This function
+ * is called when driver want to restart discovery of the vport due to
+ * a Clear Virtual Link event.
+ **/
+void
+lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
+{
+ struct lpfc_hba *phba = vport->phba;
+ LPFC_MBOXQ_t *mb, *nextmb;
+ struct lpfc_dmabuf *mp;
+
+ spin_lock_irq(&phba->hbalock);
+ list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
+ if (mb->vport != vport)
+ continue;
+
+ if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) &&
+ (mb->u.mb.mbxCommand != MBX_REG_VPI))
+ continue;
+
+ if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
+ mp = (struct lpfc_dmabuf *) (mb->context1);
+ if (mp) {
+ __lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+ }
+ list_del(&mb->list);
+ mempool_free(mb, phba->mbox_mem_pool);
+ }
+ mb = phba->sli.mbox_active;
+ if (mb && (mb->vport == vport)) {
+ if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) ||
+ (mb->u.mb.mbxCommand == MBX_REG_VPI))
+ mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ }
+ spin_unlock_irq(&phba->hbalock);
+}
+
* by the port.
*/
if ((phba->sli_rev == LPFC_SLI_REV4) &&
- (pport->vpi_state & LPFC_VPI_REGISTERED)) {
+ (pport->fc_flag & FC_VFI_REGISTERED)) {
rc = lpfc_sli4_init_vpi(phba, vpi);
if (rc) {
lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff