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path: root/drivers/scsi/lpfc/lpfc_nportdisc.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c233
1 files changed, 198 insertions, 35 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 9133a97f045..c342f6afd74 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2012 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2013 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -203,8 +203,6 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
int
lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
- LIST_HEAD(completions);
- LIST_HEAD(txcmplq_completions);
LIST_HEAD(abort_list);
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
@@ -216,33 +214,27 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
"Data: x%x x%x x%x\n",
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
ndlp->nlp_rpi);
-
+ /* Clean up all fabric IOs first.*/
lpfc_fabric_abort_nport(ndlp);
- /* First check the txq */
+ /*
+ * Lock the ELS ring txcmplq for SLI3/SLI4 and build a local list
+ * of all ELS IOs that need an ABTS. The IOs need to stay on the
+ * txcmplq so that the abort operation completes them successfully.
+ */
spin_lock_irq(&phba->hbalock);
- list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
- /* Check to see if iocb matches the nport we are looking for */
- if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) {
- /* It matches, so deque and call compl with anp error */
- list_move_tail(&iocb->list, &completions);
- pring->txq_cnt--;
- }
- }
-
- /* Next check the txcmplq */
- list_splice_init(&pring->txcmplq, &txcmplq_completions);
- spin_unlock_irq(&phba->hbalock);
-
- list_for_each_entry_safe(iocb, next_iocb, &txcmplq_completions, list) {
- /* Check to see if iocb matches the nport we are looking for */
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ spin_lock(&pring->ring_lock);
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
+ /* Add to abort_list on on NDLP match. */
if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))
list_add_tail(&iocb->dlist, &abort_list);
}
- spin_lock_irq(&phba->hbalock);
- list_splice(&txcmplq_completions, &pring->txcmplq);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ spin_unlock(&pring->ring_lock);
spin_unlock_irq(&phba->hbalock);
+ /* Abort the targeted IOs and remove them from the abort list. */
list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) {
spin_lock_irq(&phba->hbalock);
list_del_init(&iocb->dlist);
@@ -250,9 +242,28 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
spin_unlock_irq(&phba->hbalock);
}
+ INIT_LIST_HEAD(&abort_list);
+
+ /* Now process the txq */
+ spin_lock_irq(&phba->hbalock);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ spin_lock(&pring->ring_lock);
+
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
+ /* Check to see if iocb matches the nport we are looking for */
+ if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) {
+ list_del_init(&iocb->list);
+ list_add_tail(&iocb->list, &abort_list);
+ }
+ }
+
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ spin_unlock(&pring->ring_lock);
+ spin_unlock_irq(&phba->hbalock);
+
/* Cancel all the IOCBs from the completions list */
- lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
- IOERR_SLI_ABORTED);
+ lpfc_sli_cancel_iocbs(phba, &abort_list,
+ IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED);
lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
return 0;
@@ -333,9 +344,11 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* PLOGI chkparm OK */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
- "0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n",
+ "0114 PLOGI chkparm OK Data: x%x x%x x%x "
+ "x%x x%x x%x\n",
ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag,
- ndlp->nlp_rpi);
+ ndlp->nlp_rpi, vport->port_state,
+ vport->fc_flag);
if (vport->cfg_fcp_class == 2 && sp->cls2.classValid)
ndlp->nlp_fcp_info |= CLASS2;
@@ -575,7 +588,7 @@ out:
lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
/* 1 sec timeout */
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
@@ -632,7 +645,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
* If there are other active VLinks present,
* re-instantiate the Vlink using FDISC.
*/
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ mod_timer(&ndlp->nlp_delayfunc,
+ jiffies + msecs_to_jiffies(1000));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -649,7 +663,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
!(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
(ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
/* Only try to re-login if this is NOT a Fabric Node */
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
+ mod_timer(&ndlp->nlp_delayfunc,
+ jiffies + msecs_to_jiffies(1000 * 1));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -687,11 +702,15 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+ ndlp->nlp_flag &= ~NLP_FIRSTBURST;
if (npr->prliType == PRLI_FCP_TYPE) {
if (npr->initiatorFunc)
ndlp->nlp_type |= NLP_FCP_INITIATOR;
- if (npr->targetFunc)
+ if (npr->targetFunc) {
ndlp->nlp_type |= NLP_FCP_TARGET;
+ if (npr->writeXferRdyDis)
+ ndlp->nlp_flag |= NLP_FIRSTBURST;
+ }
if (npr->Retry)
ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
}
@@ -970,7 +989,7 @@ lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
/* Put ndlp in npr state set plogi timer for 1 sec */
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
+ mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -1115,6 +1134,13 @@ out:
"0261 Cannot Register NameServer login\n");
}
+ /*
+ ** In case the node reference counter does not go to zero, ensure that
+ ** the stale state for the node is not processed.
+ */
+
+ ndlp->nlp_prev_state = ndlp->nlp_state;
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DEFER_RM;
spin_unlock_irq(shost->host_lock);
@@ -1297,7 +1323,8 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport,
if ((irsp->ulpStatus) ||
(!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) {
/* 1 sec timeout */
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ mod_timer(&ndlp->nlp_delayfunc,
+ jiffies + msecs_to_jiffies(1000));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -1503,7 +1530,8 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
}
/* Put ndlp in npr state set plogi timer for 1 sec */
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
+ mod_timer(&ndlp->nlp_delayfunc,
+ jiffies + msecs_to_jiffies(1000 * 1));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@@ -1664,12 +1692,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Check out PRLI rsp */
ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+ ndlp->nlp_flag &= ~NLP_FIRSTBURST;
if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
(npr->prliType == PRLI_FCP_TYPE)) {
if (npr->initiatorFunc)
ndlp->nlp_type |= NLP_FCP_INITIATOR;
- if (npr->targetFunc)
+ if (npr->targetFunc) {
ndlp->nlp_type |= NLP_FCP_TARGET;
+ if (npr->writeXferRdyDis)
+ ndlp->nlp_flag |= NLP_FIRSTBURST;
+ }
if (npr->Retry)
ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
}
@@ -1778,6 +1810,117 @@ lpfc_device_recov_prli_issue(struct lpfc_vport *vport,
}
static uint32_t
+lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg;
+ struct ls_rjt stat;
+
+ memset(&stat, 0, sizeof(struct ls_rjt));
+ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+ stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
+ lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg;
+ struct ls_rjt stat;
+
+ memset(&stat, 0, sizeof(struct ls_rjt));
+ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+ stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
+ lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg;
+
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag &= NLP_LOGO_ACC;
+ spin_unlock_irq(shost->host_lock);
+ lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg;
+ struct ls_rjt stat;
+
+ memset(&stat, 0, sizeof(struct ls_rjt));
+ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+ stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
+ lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg;
+ struct ls_rjt stat;
+
+ memset(&stat, 0, sizeof(struct ls_rjt));
+ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+ stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE;
+ lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+ ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE;
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
+ spin_unlock_irq(shost->host_lock);
+ lpfc_disc_set_adisc(vport, ndlp);
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ /*
+ * Take no action. If a LOGO is outstanding, then possibly DevLoss has
+ * timed out and is calling for Device Remove. In this case, the LOGO
+ * must be allowed to complete in state LOGO_ISSUE so that the rpi
+ * and other NLP flags are correctly cleaned up.
+ */
+ return ndlp->nlp_state;
+}
+
+static uint32_t
+lpfc_device_recov_logo_issue(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp,
+ void *arg, uint32_t evt)
+{
+ /*
+ * Device Recovery events have no meaning for a node with a LOGO
+ * outstanding. The LOGO has to complete first and handle the
+ * node from that point.
+ */
+ return ndlp->nlp_state;
+}
+
+static uint32_t
lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
@@ -2028,7 +2171,8 @@ lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) {
- mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
+ mod_timer(&ndlp->nlp_delayfunc,
+ jiffies + msecs_to_jiffies(1000 * 1));
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DELAY_TMO;
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
@@ -2048,13 +2192,16 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
{
struct lpfc_iocbq *cmdiocb, *rspiocb;
IOCB_t *irsp;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
cmdiocb = (struct lpfc_iocbq *) arg;
rspiocb = cmdiocb->context_un.rsp_iocb;
irsp = &rspiocb->iocb;
if (irsp->ulpStatus) {
+ spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_DEFER_RM;
+ spin_unlock_irq(shost->host_lock);
return NLP_STE_FREED_NODE;
}
return ndlp->nlp_state;
@@ -2083,6 +2230,8 @@ lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+ /* For the fabric port just clear the fc flags. */
if (ndlp->nlp_DID == Fabric_DID) {
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
@@ -2297,6 +2446,20 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT])
lpfc_device_rm_prli_issue, /* DEVICE_RM */
lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */
+ lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */
+ lpfc_rcv_prli_logo_issue, /* RCV_PRLI */
+ lpfc_rcv_logo_logo_issue, /* RCV_LOGO */
+ lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */
+ lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */
+ lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */
+ lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */
+ lpfc_disc_illegal, /* CMPL_PRLI */
+ lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */
+ lpfc_disc_illegal, /* CMPL_ADISC */
+ lpfc_disc_illegal, /* CMPL_REG_LOGIN */
+ lpfc_device_rm_logo_issue, /* DEVICE_RM */
+ lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */
+
lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */
lpfc_rcv_prli_unmap_node, /* RCV_PRLI */
lpfc_rcv_logo_unmap_node, /* RCV_LOGO */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 01:48:51 +0000