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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.c575
1 files changed, 331 insertions, 244 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index a1f751e79405..6721e679df62 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -59,6 +59,7 @@ static void lpfc_disc_timeout_handler(struct lpfc_hba *);
static void
lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
+ uint8_t *name = (uint8_t *)&ndlp->nlp_portname;
int warn_on = 0;
spin_lock_irq(phba->host->host_lock);
@@ -67,6 +68,15 @@ lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
return;
}
+ /*
+ * If a discovery event readded nodev_timer after timer
+ * firing and before processing the timer, cancel the
+ * nlp_tmofunc.
+ */
+ spin_unlock_irq(phba->host->host_lock);
+ del_timer_sync(&ndlp->nlp_tmofunc);
+ spin_lock_irq(phba->host->host_lock);
+
ndlp->nlp_flag &= ~NLP_NODEV_TMO;
if (ndlp->nlp_sid != NLP_NO_SID) {
@@ -79,15 +89,23 @@ lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
if (warn_on) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
- "%d:0203 Nodev timeout on NPort x%x "
- "Data: x%x x%x x%x\n",
- phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+ "%d:0203 Nodev timeout on "
+ "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
+ "NPort x%x Data: x%x x%x x%x\n",
+ phba->brd_no,
+ *name, *(name+1), *(name+2), *(name+3),
+ *(name+4), *(name+5), *(name+6), *(name+7),
+ ndlp->nlp_DID, ndlp->nlp_flag,
ndlp->nlp_state, ndlp->nlp_rpi);
} else {
lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
- "%d:0204 Nodev timeout on NPort x%x "
- "Data: x%x x%x x%x\n",
- phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
+ "%d:0204 Nodev timeout on "
+ "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
+ "NPort x%x Data: x%x x%x x%x\n",
+ phba->brd_no,
+ *name, *(name+1), *(name+2), *(name+3),
+ *(name+4), *(name+5), *(name+6), *(name+7),
+ ndlp->nlp_DID, ndlp->nlp_flag,
ndlp->nlp_state, ndlp->nlp_rpi);
}
@@ -108,7 +126,7 @@ lpfc_work_list_done(struct lpfc_hba * phba)
evt_listp);
spin_unlock_irq(phba->host->host_lock);
free_evt = 1;
- switch(evtp->evt) {
+ switch (evtp->evt) {
case LPFC_EVT_NODEV_TMO:
ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
lpfc_process_nodev_timeout(phba, ndlp);
@@ -120,11 +138,35 @@ lpfc_work_list_done(struct lpfc_hba * phba)
free_evt = 0;
break;
case LPFC_EVT_ONLINE:
- *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ if (phba->hba_state < LPFC_LINK_DOWN)
+ *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ else
+ *(int *)(evtp->evt_arg1) = 0;
complete((struct completion *)(evtp->evt_arg2));
break;
case LPFC_EVT_OFFLINE:
- *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ lpfc_sli_brdrestart(phba);
+ *(int *)(evtp->evt_arg1) =
+ lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_WARM_START:
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ lpfc_reset_barrier(phba);
+ lpfc_sli_brdreset(phba);
+ lpfc_hba_down_post(phba);
+ *(int *)(evtp->evt_arg1) =
+ lpfc_sli_brdready(phba, HS_MBRDY);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_KILL:
+ if (phba->hba_state >= LPFC_LINK_DOWN)
+ lpfc_offline(phba);
+ *(int *)(evtp->evt_arg1)
+ = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba);
complete((struct completion *)(evtp->evt_arg2));
break;
}
@@ -151,13 +193,13 @@ lpfc_work_done(struct lpfc_hba * phba)
work_hba_events=phba->work_hba_events;
spin_unlock_irq(phba->host->host_lock);
- if(ha_copy & HA_ERATT)
+ if (ha_copy & HA_ERATT)
lpfc_handle_eratt(phba);
- if(ha_copy & HA_MBATT)
+ if (ha_copy & HA_MBATT)
lpfc_sli_handle_mb_event(phba);
- if(ha_copy & HA_LATT)
+ if (ha_copy & HA_LATT)
lpfc_handle_latt(phba);
if (work_hba_events & WORKER_DISC_TMO)
@@ -283,16 +325,20 @@ lpfc_linkdown(struct lpfc_hba * phba)
{
struct lpfc_sli *psli;
struct lpfc_nodelist *ndlp, *next_ndlp;
- struct list_head *listp;
- struct list_head *node_list[7];
+ struct list_head *listp, *node_list[7];
LPFC_MBOXQ_t *mb;
int rc, i;
psli = &phba->sli;
+ /* sysfs or selective reset may call this routine to clean up */
+ if (phba->hba_state >= LPFC_LINK_DOWN) {
+ if (phba->hba_state == LPFC_LINK_DOWN)
+ return 0;
- spin_lock_irq(phba->host->host_lock);
- phba->hba_state = LPFC_LINK_DOWN;
- spin_unlock_irq(phba->host->host_lock);
+ spin_lock_irq(phba->host->host_lock);
+ phba->hba_state = LPFC_LINK_DOWN;
+ spin_unlock_irq(phba->host->host_lock);
+ }
/* Clean up any firmware default rpi's */
if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
@@ -324,32 +370,19 @@ lpfc_linkdown(struct lpfc_hba * phba)
continue;
list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
- /* Fabric nodes are not handled thru state machine for
- link down */
- if (ndlp->nlp_type & NLP_FABRIC) {
- /* Remove ALL Fabric nodes except Fabric_DID */
- if (ndlp->nlp_DID != Fabric_DID) {
- /* Take it off current list and free */
- lpfc_nlp_list(phba, ndlp,
- NLP_NO_LIST);
- }
- }
- else {
-
- rc = lpfc_disc_state_machine(phba, ndlp, NULL,
- NLP_EVT_DEVICE_RECOVERY);
-
- /* Check config parameter use-adisc or FCP-2 */
- if ((rc != NLP_STE_FREED_NODE) &&
- (phba->cfg_use_adisc == 0) &&
- !(ndlp->nlp_fcp_info &
- NLP_FCP_2_DEVICE)) {
- /* We know we will have to relogin, so
- * unreglogin the rpi right now to fail
- * any outstanding I/Os quickly.
- */
- lpfc_unreg_rpi(phba, ndlp);
- }
+
+ rc = lpfc_disc_state_machine(phba, ndlp, NULL,
+ NLP_EVT_DEVICE_RECOVERY);
+
+ /* Check config parameter use-adisc or FCP-2 */
+ if ((rc != NLP_STE_FREED_NODE) &&
+ (phba->cfg_use_adisc == 0) &&
+ !(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) {
+ /* We know we will have to relogin, so
+ * unreglogin the rpi right now to fail
+ * any outstanding I/Os quickly.
+ */
+ lpfc_unreg_rpi(phba, ndlp);
}
}
}
@@ -384,13 +417,15 @@ lpfc_linkdown(struct lpfc_hba * phba)
lpfc_can_disctmo(phba);
/* Must process IOCBs on all rings to handle ABORTed I/Os */
- return (0);
+ return 0;
}
static int
lpfc_linkup(struct lpfc_hba * phba)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
+ struct list_head *listp, *node_list[7];
+ int i;
spin_lock_irq(phba->host->host_lock);
phba->hba_state = LPFC_LINK_UP;
@@ -401,14 +436,33 @@ lpfc_linkup(struct lpfc_hba * phba)
spin_unlock_irq(phba->host->host_lock);
- /*
- * Clean up old Fabric NLP_FABRIC logins.
- */
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
- nlp_listp) {
- if (ndlp->nlp_DID == Fabric_DID) {
- /* Take it off current list and free */
- lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ node_list[0] = &phba->fc_plogi_list;
+ node_list[1] = &phba->fc_adisc_list;
+ node_list[2] = &phba->fc_reglogin_list;
+ node_list[3] = &phba->fc_prli_list;
+ node_list[4] = &phba->fc_nlpunmap_list;
+ node_list[5] = &phba->fc_nlpmap_list;
+ node_list[6] = &phba->fc_npr_list;
+ for (i = 0; i < 7; i++) {
+ listp = node_list[i];
+ if (list_empty(listp))
+ continue;
+
+ list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
+ if (phba->fc_flag & FC_LBIT) {
+ if (ndlp->nlp_type & NLP_FABRIC) {
+ /* On Linkup its safe to clean up the
+ * ndlp from Fabric connections.
+ */
+ lpfc_nlp_list(phba, ndlp,
+ NLP_UNUSED_LIST);
+ } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
+ /* Fail outstanding IO now since device
+ * is marked for PLOGI.
+ */
+ lpfc_unreg_rpi(phba, ndlp);
+ }
+ }
}
}
@@ -462,7 +516,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
lpfc_els_disc_plogi(phba);
}
- if(!phba->num_disc_nodes) {
+ if (!phba->num_disc_nodes) {
spin_lock_irq(phba->host->host_lock);
phba->fc_flag &= ~FC_NDISC_ACTIVE;
spin_unlock_irq(phba->host->host_lock);
@@ -504,80 +558,59 @@ out:
}
static void
-lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
+lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
- struct lpfc_sli *psli;
- MAILBOX_t *mb;
-
- psli = &phba->sli;
- mb = &pmb->mb;
- /* Check for error */
- if (mb->mbxStatus) {
- /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
- lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
- "%d:0306 CONFIG_LINK mbxStatus error x%x "
- "HBA state x%x\n",
- phba->brd_no, mb->mbxStatus, phba->hba_state);
+ struct lpfc_sli *psli = &phba->sli;
+ int rc;
- lpfc_linkdown(phba);
- phba->hba_state = LPFC_HBA_ERROR;
+ if (pmb->mb.mbxStatus)
goto out;
- }
- if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
- if (phba->fc_topology == TOPOLOGY_LOOP) {
- /* If we are public loop and L bit was set */
- if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
- !(phba->fc_flag & FC_LBIT)) {
- /* Need to wait for FAN - use discovery timer
- * for timeout. hba_state is identically
- * LPFC_LOCAL_CFG_LINK while waiting for FAN
- */
- lpfc_set_disctmo(phba);
- mempool_free( pmb, phba->mbox_mem_pool);
- return;
- }
+ mempool_free(pmb, phba->mbox_mem_pool);
+
+ if (phba->fc_topology == TOPOLOGY_LOOP &&
+ phba->fc_flag & FC_PUBLIC_LOOP &&
+ !(phba->fc_flag & FC_LBIT)) {
+ /* Need to wait for FAN - use discovery timer
+ * for timeout. hba_state is identically
+ * LPFC_LOCAL_CFG_LINK while waiting for FAN
+ */
+ lpfc_set_disctmo(phba);
+ return;
}
- /* Start discovery by sending a FLOGI hba_state is identically
- * LPFC_FLOGI while waiting for FLOGI cmpl
- */
- phba->hba_state = LPFC_FLOGI;
- lpfc_set_disctmo(phba);
- lpfc_initial_flogi(phba);
- mempool_free( pmb, phba->mbox_mem_pool);
- return;
- }
- if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
- mempool_free( pmb, phba->mbox_mem_pool);
- return;
- }
+ /* Start discovery by sending a FLOGI. hba_state is identically
+ * LPFC_FLOGI while waiting for FLOGI cmpl
+ */
+ phba->hba_state = LPFC_FLOGI;
+ lpfc_set_disctmo(phba);
+ lpfc_initial_flogi(phba);
+ return;
out:
- /* CONFIG_LINK bad hba state <hba_state> */
- lpfc_printf_log(phba,
- KERN_ERR,
- LOG_DISCOVERY,
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "%d:0306 CONFIG_LINK mbxStatus error x%x "
+ "HBA state x%x\n",
+ phba->brd_no, pmb->mb.mbxStatus, phba->hba_state);
+
+ lpfc_linkdown(phba);
+
+ phba->hba_state = LPFC_HBA_ERROR;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
"%d:0200 CONFIG_LINK bad hba state x%x\n",
phba->brd_no, phba->hba_state);
- if (phba->hba_state != LPFC_CLEAR_LA) {
- lpfc_clear_la(phba, pmb);
- pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
- if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
- mempool_free( pmb, phba->mbox_mem_pool);
- lpfc_disc_flush_list(phba);
- psli->ring[(psli->ip_ring)].flag &=
- ~LPFC_STOP_IOCB_EVENT;
- psli->ring[(psli->fcp_ring)].flag &=
- ~LPFC_STOP_IOCB_EVENT;
- psli->ring[(psli->next_ring)].flag &=
- ~LPFC_STOP_IOCB_EVENT;
- phba->hba_state = LPFC_HBA_READY;
- }
- } else {
- mempool_free( pmb, phba->mbox_mem_pool);
+ lpfc_clear_la(phba, pmb);
+ pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
+ rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB));
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ lpfc_disc_flush_list(phba);
+ psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
+ phba->hba_state = LPFC_HBA_READY;
}
return;
}
@@ -650,7 +683,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
spin_lock_irq(phba->host->host_lock);
- switch(la->UlnkSpeed) {
+ switch (la->UlnkSpeed) {
case LA_1GHZ_LINK:
phba->fc_linkspeed = LA_1GHZ_LINK;
break;
@@ -731,7 +764,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
if (cfglink_mbox) {
phba->hba_state = LPFC_LOCAL_CFG_LINK;
lpfc_config_link(phba, cfglink_mbox);
- cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
+ cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
lpfc_sli_issue_mbox(phba, cfglink_mbox,
(MBX_NOWAIT | MBX_STOP_IOCB));
}
@@ -784,6 +817,13 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
memcpy(&phba->alpa_map[0], mp->virt, 128);
+ spin_lock_irq(phba->host->host_lock);
+ if (la->pb)
+ phba->fc_flag |= FC_BYPASSED_MODE;
+ else
+ phba->fc_flag &= ~FC_BYPASSED_MODE;
+ spin_unlock_irq(phba->host->host_lock);
+
if (((phba->fc_eventTag + 1) < la->eventTag) ||
(phba->fc_eventTag == la->eventTag)) {
phba->fc_stat.LinkMultiEvent++;
@@ -904,32 +944,36 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
*/
lpfc_issue_els_scr(phba, SCR_DID, 0);
- /* Allocate a new node instance. If the pool is empty, just
- * start the discovery process and skip the Nameserver login
- * process. This is attempted again later on. Otherwise, issue
- * a Port Login (PLOGI) to the NameServer
- */
- if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
- == 0) {
- lpfc_disc_start(phba);
- } else {
- lpfc_nlp_init(phba, ndlp, NameServer_DID);
- ndlp->nlp_type |= NLP_FABRIC;
- ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
- lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
- lpfc_issue_els_plogi(phba, ndlp, 0);
- if (phba->cfg_fdmi_on) {
- if ((ndlp_fdmi = mempool_alloc(
- phba->nlp_mem_pool,
- GFP_KERNEL))) {
- lpfc_nlp_init(phba, ndlp_fdmi,
- FDMI_DID);
- ndlp_fdmi->nlp_type |= NLP_FABRIC;
- ndlp_fdmi->nlp_state =
- NLP_STE_PLOGI_ISSUE;
- lpfc_issue_els_plogi(phba, ndlp_fdmi,
- 0);
- }
+ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
+ if (!ndlp) {
+ /* Allocate a new node instance. If the pool is empty,
+ * start the discovery process and skip the Nameserver
+ * login process. This is attempted again later on.
+ * Otherwise, issue a Port Login (PLOGI) to NameServer.
+ */
+ ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
+ if (!ndlp) {
+ lpfc_disc_start(phba);
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return;
+ } else {
+ lpfc_nlp_init(phba, ndlp, NameServer_DID);
+ ndlp->nlp_type |= NLP_FABRIC;
+ }
+ }
+ ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
+ lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
+ lpfc_issue_els_plogi(phba, NameServer_DID, 0);
+ if (phba->cfg_fdmi_on) {
+ ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
+ GFP_KERNEL);
+ if (ndlp_fdmi) {
+ lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID);
+ ndlp_fdmi->nlp_type |= NLP_FABRIC;
+ ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE;
+ lpfc_issue_els_plogi(phba, FDMI_DID, 0);
}
}
}
@@ -937,7 +981,6 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
mempool_free( pmb, phba->mbox_mem_pool);
-
return;
}
@@ -1070,12 +1113,12 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
psli = &phba->sli;
/* Sanity check to ensure we are not moving to / from the same list */
- if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
+ if ((nlp->nlp_flag & NLP_LIST_MASK) == list)
if (list != NLP_NO_LIST)
- return(0);
- }
+ return 0;
- switch(nlp->nlp_flag & NLP_LIST_MASK) {
+ spin_lock_irq(phba->host->host_lock);
+ switch (nlp->nlp_flag & NLP_LIST_MASK) {
case NLP_NO_LIST: /* Not on any list */
break;
case NLP_UNUSED_LIST:
@@ -1101,10 +1144,8 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
case NLP_UNMAPPED_LIST:
phba->fc_unmap_cnt--;
list_del(&nlp->nlp_listp);
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
nlp->nlp_type &= ~NLP_FC_NODE;
- spin_unlock_irq(phba->host->host_lock);
phba->nport_event_cnt++;
if (nlp->rport)
rport_del = unmapped;
@@ -1122,19 +1163,14 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
/* Stop delay tmo if taking node off NPR list */
if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
(list != NLP_NPR_LIST)) {
- spin_lock_irq(phba->host->host_lock);
- nlp->nlp_flag &= ~NLP_DELAY_TMO;
spin_unlock_irq(phba->host->host_lock);
- del_timer_sync(&nlp->nlp_delayfunc);
- if (!list_empty(&nlp->els_retry_evt.evt_listp))
- list_del_init(&nlp->els_retry_evt.evt_listp);
+ lpfc_cancel_retry_delay_tmo(phba, nlp);
+ spin_lock_irq(phba->host->host_lock);
}
break;
}
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag &= ~NLP_LIST_MASK;
- spin_unlock_irq(phba->host->host_lock);
/* Add NPort <did> to <num> list */
lpfc_printf_log(phba,
@@ -1144,48 +1180,40 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
phba->brd_no,
nlp->nlp_DID, list, nlp->nlp_flag);
- switch(list) {
+ switch (list) {
case NLP_NO_LIST: /* No list, just remove it */
+ spin_unlock_irq(phba->host->host_lock);
lpfc_nlp_remove(phba, nlp);
+ spin_lock_irq(phba->host->host_lock);
/* as node removed - stop further transport calls */
rport_del = none;
break;
case NLP_UNUSED_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the unused list */
list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
phba->fc_unused_cnt++;
break;
case NLP_PLOGI_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the plogi list */
list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
phba->fc_plogi_cnt++;
break;
case NLP_ADISC_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the adisc list */
list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
phba->fc_adisc_cnt++;
break;
case NLP_REGLOGIN_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the reglogin list */
list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
phba->fc_reglogin_cnt++;
break;
case NLP_PRLI_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the prli list */
list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
phba->fc_prli_cnt++;
@@ -1194,19 +1222,17 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
rport_add = unmapped;
/* ensure all vestiges of "mapped" significance are gone */
nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the unmap list */
list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
phba->fc_unmap_cnt++;
phba->nport_event_cnt++;
/* stop nodev tmo if running */
if (nlp->nlp_flag & NLP_NODEV_TMO) {
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag &= ~NLP_NODEV_TMO;
spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&nlp->nlp_tmofunc);
+ spin_lock_irq(phba->host->host_lock);
if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
list_del_init(&nlp->nodev_timeout_evt.
evt_listp);
@@ -1216,9 +1242,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
break;
case NLP_MAPPED_LIST:
rport_add = mapped;
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the map list */
list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
phba->fc_map_cnt++;
@@ -1226,7 +1250,9 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
/* stop nodev tmo if running */
if (nlp->nlp_flag & NLP_NODEV_TMO) {
nlp->nlp_flag &= ~NLP_NODEV_TMO;
+ spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&nlp->nlp_tmofunc);
+ spin_lock_irq(phba->host->host_lock);
if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
list_del_init(&nlp->nodev_timeout_evt.
evt_listp);
@@ -1234,33 +1260,24 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
}
break;
case NLP_NPR_LIST:
- spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
- spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the npr list */
list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
phba->fc_npr_cnt++;
- /*
- * Sanity check for Fabric entity.
- * Set nodev_tmo for NPR state, for Fabric use 1 sec.
- */
- if (nlp->nlp_type & NLP_FABRIC) {
- mod_timer(&nlp->nlp_tmofunc, jiffies + HZ);
- }
- else {
+ if (!(nlp->nlp_flag & NLP_NODEV_TMO))
mod_timer(&nlp->nlp_tmofunc,
- jiffies + HZ * phba->cfg_nodev_tmo);
- }
- spin_lock_irq(phba->host->host_lock);
+ jiffies + HZ * phba->cfg_nodev_tmo);
+
nlp->nlp_flag |= NLP_NODEV_TMO;
nlp->nlp_flag &= ~NLP_RCV_PLOGI;
- spin_unlock_irq(phba->host->host_lock);
break;
case NLP_JUST_DQ:
break;
}
+ spin_unlock_irq(phba->host->host_lock);
+
/*
* We make all the calls into the transport after we have
* moved the node between lists. This so that we don't
@@ -1303,7 +1320,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
}
}
}
- return (0);
+ return 0;
}
/*
@@ -1314,7 +1331,15 @@ lpfc_set_disctmo(struct lpfc_hba * phba)
{
uint32_t tmo;
- tmo = ((phba->fc_ratov * 2) + 1);
+ if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
+ /* For FAN, timeout should be greater then edtov */
+ tmo = (((phba->fc_edtov + 999) / 1000) + 1);
+ } else {
+ /* Normal discovery timeout should be > then ELS/CT timeout
+ * FC spec states we need 3 * ratov for CT requests
+ */
+ tmo = ((phba->fc_ratov * 3) + 3);
+ }
mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
spin_lock_irq(phba->host->host_lock);
@@ -1354,7 +1379,7 @@ lpfc_can_disctmo(struct lpfc_hba * phba)
phba->brd_no, phba->hba_state, phba->fc_flag,
phba->fc_plogi_cnt, phba->fc_adisc_cnt);
- return (0);
+ return 0;
}
/*
@@ -1375,11 +1400,11 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
switch (icmd->ulpCommand) {
case CMD_GEN_REQUEST64_CR:
if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
- return (1);
+ return 1;
case CMD_ELS_REQUEST64_CR:
case CMD_XMIT_ELS_RSP64_CX:
if (iocb->context1 == (uint8_t *) ndlp)
- return (1);
+ return 1;
}
} else if (pring->ringno == psli->ip_ring) {
@@ -1387,15 +1412,15 @@ lpfc_check_sli_ndlp(struct lpfc_hba * phba,
/* Skip match check if waiting to relogin to FCP target */
if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(ndlp->nlp_flag & NLP_DELAY_TMO)) {
- return (0);
+ return 0;
}
if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
- return (1);
+ return 1;
}
} else if (pring->ringno == psli->next_ring) {
}
- return (0);
+ return 0;
}
/*
@@ -1456,7 +1481,7 @@ lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
}
}
- return (0);
+ return 0;
}
/*
@@ -1547,6 +1572,7 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&ndlp->nlp_tmofunc);
+ ndlp->nlp_last_elscmd = 0;
del_timer_sync(&ndlp->nlp_delayfunc);
if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
@@ -1556,7 +1582,7 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
lpfc_unreg_rpi(phba, ndlp);
- return (0);
+ return 0;
}
/*
@@ -1579,24 +1605,18 @@ lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
if (ndlp->nlp_flag & NLP_DELAY_TMO) {
- spin_lock_irq(phba->host->host_lock);
- ndlp->nlp_flag &= ~NLP_DELAY_TMO;
- spin_unlock_irq(phba->host->host_lock);
- del_timer_sync(&ndlp->nlp_delayfunc);
- if (!list_empty(&ndlp->els_retry_evt.evt_listp))
- list_del_init(&ndlp->els_retry_evt.evt_listp);
+ lpfc_cancel_retry_delay_tmo(phba, ndlp);
}
if (ndlp->nlp_disc_refcnt) {
spin_lock_irq(phba->host->host_lock);
ndlp->nlp_flag |= NLP_DELAY_REMOVE;
spin_unlock_irq(phba->host->host_lock);
- }
- else {
+ } else {
lpfc_freenode(phba, ndlp);
mempool_free( ndlp, phba->nlp_mem_pool);
}
- return(0);
+ return 0;
}
static int
@@ -1607,20 +1627,20 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
D_ID matchdid;
if (did == Bcast_DID)
- return (0);
+ return 0;
if (ndlp->nlp_DID == 0) {
- return (0);
+ return 0;
}
/* First check for Direct match */
if (ndlp->nlp_DID == did)
- return (1);
+ return 1;
/* Next check for area/domain identically equals 0 match */
mydid.un.word = phba->fc_myDID;
if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
- return (0);
+ return 0;
}
matchdid.un.word = did;
@@ -1631,9 +1651,9 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
if ((ndlpdid.un.b.domain == 0) &&
(ndlpdid.un.b.area == 0)) {
if (ndlpdid.un.b.id)
- return (1);
+ return 1;
}
- return (0);
+ return 0;
}
matchdid.un.word = ndlp->nlp_DID;
@@ -1642,11 +1662,11 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
if ((matchdid.un.b.domain == 0) &&
(matchdid.un.b.area == 0)) {
if (matchdid.un.b.id)
- return (1);
+ return 1;
}
}
}
- return (0);
+ return 0;
}
/* Search for a nodelist entry on a specific list */
@@ -1656,6 +1676,7 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
struct lpfc_nodelist *ndlp, *next_ndlp;
uint32_t data1;
+ spin_lock_irq(phba->host->host_lock);
if (order & NLP_SEARCH_UNMAPPED) {
list_for_each_entry_safe(ndlp, next_ndlp,
&phba->fc_nlpunmap_list, nlp_listp) {
@@ -1671,7 +1692,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1692,7 +1714,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1714,7 +1737,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1736,7 +1760,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1758,7 +1783,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1780,7 +1806,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1802,7 +1829,8 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
@@ -1824,11 +1852,14 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
- return (ndlp);
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
}
}
}
+ spin_unlock_irq(phba->host->host_lock);
+
/* FIND node did <did> NOT FOUND */
lpfc_printf_log(phba,
KERN_INFO,
@@ -1846,8 +1877,9 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
struct lpfc_nodelist *ndlp;
uint32_t flg;
- if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
- if ((phba->hba_state == LPFC_HBA_READY) &&
+ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
+ if (!ndlp) {
+ if ((phba->fc_flag & FC_RSCN_MODE) &&
((lpfc_rscn_payload_check(phba, did) == 0)))
return NULL;
ndlp = (struct lpfc_nodelist *)
@@ -1860,22 +1892,23 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
return ndlp;
}
- if ((phba->hba_state == LPFC_HBA_READY) &&
- (phba->fc_flag & FC_RSCN_MODE)) {
+ if (phba->fc_flag & FC_RSCN_MODE) {
if (lpfc_rscn_payload_check(phba, did)) {
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
- }
- else {
+
+ /* Since this node is marked for discovery,
+ * delay timeout is not needed.
+ */
+ if (ndlp->nlp_flag & NLP_DELAY_TMO)
+ lpfc_cancel_retry_delay_tmo(phba, ndlp);
+ } else {
ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
ndlp = NULL;
}
- }
- else {
+ } else {
flg = ndlp->nlp_flag & NLP_LIST_MASK;
- if ((flg == NLP_ADISC_LIST) ||
- (flg == NLP_PLOGI_LIST)) {
+ if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
return NULL;
- }
ndlp->nlp_state = NLP_STE_NPR_NODE;
lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
@@ -2023,8 +2056,7 @@ lpfc_disc_start(struct lpfc_hba * phba)
spin_lock_irq(phba->host->host_lock);
phba->fc_flag &= ~FC_RSCN_MODE;
spin_unlock_irq(phba->host->host_lock);
- }
- else
+ } else
lpfc_els_handle_rscn(phba);
}
}
@@ -2174,7 +2206,7 @@ static void
lpfc_disc_timeout_handler(struct lpfc_hba *phba)
{
struct lpfc_sli *psli;
- struct lpfc_nodelist *ndlp;
+ struct lpfc_nodelist *ndlp, *next_ndlp;
LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
int rc, clrlaerr = 0;
@@ -2201,10 +2233,19 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
"%d:0221 FAN timeout\n",
phba->brd_no);
- /* Forget about FAN, Start discovery by sending a FLOGI
- * hba_state is identically LPFC_FLOGI while waiting for FLOGI
- * cmpl
- */
+ /* Start discovery by sending FLOGI, clean up old rpis */
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+ nlp_listp) {
+ if (ndlp->nlp_type & NLP_FABRIC) {
+ /* Clean up the ndlp on Fabric connections */
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
+ /* Fail outstanding IO now since device
+ * is marked for PLOGI.
+ */
+ lpfc_unreg_rpi(phba, ndlp);
+ }
+ }
phba->hba_state = LPFC_FLOGI;
lpfc_set_disctmo(phba);
lpfc_initial_flogi(phba);
@@ -2470,11 +2511,57 @@ lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
&phba->fc_reglogin_list};
int i;
+ spin_lock_irq(phba->host->host_lock);
for (i = 0; i < ARRAY_SIZE(lists); i++ )
list_for_each_entry(ndlp, lists[i], nlp_listp)
- if (ndlp->nlp_rpi == rpi)
- return (ndlp);
+ if (ndlp->nlp_rpi == rpi) {
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
+ }
+ spin_unlock_irq(phba->host->host_lock);
+ return NULL;
+}
+
+/*
+ * This routine looks up the ndlp lists
+ * for the given WWPN. If WWPN found
+ * it return the node list pointer
+ * else return NULL.
+ */
+struct lpfc_nodelist *
+lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
+ struct lpfc_name * wwpn)
+{
+ struct lpfc_nodelist *ndlp;
+ struct list_head * lists[]={&phba->fc_nlpunmap_list,
+ &phba->fc_nlpmap_list,
+ &phba->fc_npr_list,
+ &phba->fc_plogi_list,
+ &phba->fc_adisc_list,
+ &phba->fc_reglogin_list,
+ &phba->fc_prli_list};
+ uint32_t search[]={NLP_SEARCH_UNMAPPED,
+ NLP_SEARCH_MAPPED,
+ NLP_SEARCH_NPR,
+ NLP_SEARCH_PLOGI,
+ NLP_SEARCH_ADISC,
+ NLP_SEARCH_REGLOGIN,
+ NLP_SEARCH_PRLI};
+ int i;
+ spin_lock_irq(phba->host->host_lock);
+ for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
+ if (!(order & search[i]))
+ continue;
+ list_for_each_entry(ndlp, lists[i], nlp_listp) {
+ if (memcmp(&ndlp->nlp_portname, wwpn,
+ sizeof(struct lpfc_name)) == 0) {
+ spin_unlock_irq(phba->host->host_lock);
+ return ndlp;
+ }
+ }
+ }
+ spin_unlock_irq(phba->host->host_lock);
return NULL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.