From: James Smart <james.smart@emulex.com>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 1/22] lpfc 8.3.39: Fixed VPI allocation issues after firmware dump is performed
Date: Wed, 17 Apr 2013 20:14:38 -0400 [thread overview]
Message-ID: <1366244078.1513.1.camel@myfc17> (raw)
Fixed VPI allocation issues after firmware dump is performed
Signed-off-by: James Smart <james.smart@emulex.com>
---
lpfc_hbadisc.c | 14 +++++++++++++-
lpfc_init.c | 12 +++++++++++-
lpfc_sli.c | 2 ++
lpfc_vport.c | 25 ++++++++++++++++++++++++-
lpfc_vport.h | 1 +
5 files changed, 51 insertions(+), 3 deletions(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c 2013-04-10 16:46:40.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c 2013-04-15 18:26:14.814040614 -0400
@@ -2796,7 +2796,19 @@ void
lpfc_issue_init_vpi(struct lpfc_vport *vport)
{
LPFC_MBOXQ_t *mboxq;
- int rc;
+ int rc, vpi;
+
+ if ((vport->port_type != LPFC_PHYSICAL_PORT) && (!vport->vpi)) {
+ vpi = lpfc_alloc_vpi(vport->phba);
+ if (!vpi) {
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_MBOX,
+ "3303 Failed to obtain vport vpi\n");
+ lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+ return;
+ }
+ vport->vpi = vpi;
+ }
mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq) {
diff -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c 2013-04-10 16:46:40.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_init.c 2013-04-15 18:26:14.875040617 -0400
@@ -2633,6 +2633,7 @@ lpfc_online(struct lpfc_hba *phba)
struct lpfc_vport *vport;
struct lpfc_vport **vports;
int i;
+ bool vpis_cleared = false;
if (!phba)
return 0;
@@ -2656,6 +2657,10 @@ lpfc_online(struct lpfc_hba *phba)
lpfc_unblock_mgmt_io(phba);
return 1;
}
+ spin_lock_irq(&phba->hbalock);
+ if (!phba->sli4_hba.max_cfg_param.vpi_used)
+ vpis_cleared = true;
+ spin_unlock_irq(&phba->hbalock);
} else {
if (lpfc_sli_hba_setup(phba)) { /* Initialize SLI2/SLI3 HBA */
lpfc_unblock_mgmt_io(phba);
@@ -2672,8 +2677,13 @@ lpfc_online(struct lpfc_hba *phba)
vports[i]->fc_flag &= ~FC_OFFLINE_MODE;
if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- if (phba->sli_rev == LPFC_SLI_REV4)
+ if (phba->sli_rev == LPFC_SLI_REV4) {
vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+ if ((vpis_cleared) &&
+ (vports[i]->port_type !=
+ LPFC_PHYSICAL_PORT))
+ vports[i]->vpi = 0;
+ }
spin_unlock_irq(shost->host_lock);
}
lpfc_destroy_vport_work_array(phba, vports);
diff -upNr a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
--- a/drivers/scsi/lpfc/lpfc_sli.c 2013-04-10 16:46:40.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_sli.c 2013-04-15 18:26:14.915040617 -0400
@@ -5510,6 +5510,7 @@ lpfc_sli4_dealloc_extent(struct lpfc_hba
list_del_init(&rsrc_blk->list);
kfree(rsrc_blk);
}
+ phba->sli4_hba.max_cfg_param.vpi_used = 0;
break;
case LPFC_RSC_TYPE_FCOE_XRI:
kfree(phba->sli4_hba.xri_bmask);
@@ -5810,6 +5811,7 @@ lpfc_sli4_dealloc_resource_identifiers(s
lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI);
} else {
kfree(phba->vpi_bmask);
+ phba->sli4_hba.max_cfg_param.vpi_used = 0;
kfree(phba->vpi_ids);
bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
kfree(phba->sli4_hba.xri_bmask);
diff -upNr a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
--- a/drivers/scsi/lpfc/lpfc_vport.c 2013-04-10 16:30:14.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_vport.c 2013-04-15 18:26:14.955040617 -0400
@@ -80,7 +80,7 @@ inline void lpfc_vport_set_state(struct
}
}
-static int
+int
lpfc_alloc_vpi(struct lpfc_hba *phba)
{
unsigned long vpi;
@@ -568,6 +568,7 @@ lpfc_vport_delete(struct fc_vport *fc_vp
struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
struct lpfc_hba *phba = vport->phba;
long timeout;
+ bool ns_ndlp_referenced = false;
if (vport->port_type == LPFC_PHYSICAL_PORT) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT,
@@ -628,6 +629,18 @@ lpfc_vport_delete(struct fc_vport *fc_vp
lpfc_debugfs_terminate(vport);
+ /*
+ * The call to fc_remove_host might release the NameServer ndlp. Since
+ * we might need to use the ndlp to send the DA_ID CT command,
+ * increment the reference for the NameServer ndlp to prevent it from
+ * being released.
+ */
+ ndlp = lpfc_findnode_did(vport, NameServer_DID);
+ if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
+ lpfc_nlp_get(ndlp);
+ ns_ndlp_referenced = true;
+ }
+
/* Remove FC host and then SCSI host with the vport */
fc_remove_host(lpfc_shost_from_vport(vport));
scsi_remove_host(lpfc_shost_from_vport(vport));
@@ -734,6 +747,16 @@ lpfc_vport_delete(struct fc_vport *fc_vp
lpfc_discovery_wait(vport);
skip_logo:
+
+ /*
+ * If the NameServer ndlp has been incremented to allow the DA_ID CT
+ * command to be sent, decrement the ndlp now.
+ */
+ if (ns_ndlp_referenced) {
+ ndlp = lpfc_findnode_did(vport, NameServer_DID);
+ lpfc_nlp_put(ndlp);
+ }
+
lpfc_cleanup(vport);
lpfc_sli_host_down(vport);
diff -upNr a/drivers/scsi/lpfc/lpfc_vport.h b/drivers/scsi/lpfc/lpfc_vport.h
--- a/drivers/scsi/lpfc/lpfc_vport.h 2013-04-10 16:30:14.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_vport.h 2013-04-15 18:26:14.959040618 -0400
@@ -90,6 +90,7 @@ int lpfc_vport_getinfo(struct Scsi_Host
int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);
+int lpfc_alloc_vpi(struct lpfc_hba *phba);
/*
* queuecommand VPORT-specific return codes. Specified in the host byte code.
reply other threads:[~2013-04-18 0:14 UTC|newest]
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