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-rw-r--r--drivers/scsi/lpfc/lpfc.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c20
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c12
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c20
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c5
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c5
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c13
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c34
-rw-r--r--drivers/scsi/lpfc/lpfc_vport.c8
11 files changed, 62 insertions, 65 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 04d608ea91..9670cb2bf1 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1325,7 +1325,6 @@ struct lpfc_hba {
struct timer_list fabric_block_timer;
unsigned long bit_flags;
atomic_t num_rsrc_err;
- atomic_t num_cmd_success;
unsigned long last_rsrc_error_time;
unsigned long last_ramp_down_time;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -1430,6 +1429,7 @@ struct lpfc_hba {
struct timer_list inactive_vmid_poll;
/* RAS Support */
+ spinlock_t ras_fwlog_lock; /* do not take while holding another lock */
struct lpfc_ras_fwlog ras_fwlog;
uint32_t iocb_cnt;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index d3a5d6ecdf..6f97a04171 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -5864,9 +5864,9 @@ lpfc_ras_fwlog_buffsize_set(struct lpfc_hba *phba, uint val)
if (phba->cfg_ras_fwlog_func != PCI_FUNC(phba->pcidev->devfn))
return -EINVAL;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
state = phba->ras_fwlog.state;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (state == REG_INPROGRESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6147 RAS Logging "
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 2919579fa0..c305d16cfa 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -5070,12 +5070,12 @@ lpfc_bsg_get_ras_config(struct bsg_job *job)
bsg_reply->reply_data.vendor_reply.vendor_rsp;
/* Current logging state */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state == ACTIVE)
ras_reply->state = LPFC_RASLOG_STATE_RUNNING;
else
ras_reply->state = LPFC_RASLOG_STATE_STOPPED;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
ras_reply->log_level = phba->ras_fwlog.fw_loglevel;
ras_reply->log_buff_sz = phba->cfg_ras_fwlog_buffsize;
@@ -5132,13 +5132,13 @@ lpfc_bsg_set_ras_config(struct bsg_job *job)
if (action == LPFC_RASACTION_STOP_LOGGING) {
/* Check if already disabled */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -ESRCH;
goto ras_job_error;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Disable logging */
lpfc_ras_stop_fwlog(phba);
@@ -5149,10 +5149,10 @@ lpfc_bsg_set_ras_config(struct bsg_job *job)
* FW-logging with new log-level. Return status
* "Logging already Running" to caller.
**/
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state != INACTIVE)
action_status = -EINPROGRESS;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Enable logging */
rc = lpfc_sli4_ras_fwlog_init(phba, log_level,
@@ -5268,13 +5268,13 @@ lpfc_bsg_get_ras_fwlog(struct bsg_job *job)
goto ras_job_error;
/* Logging to be stopped before reading */
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (ras_fwlog->state == ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -EINPROGRESS;
goto ras_job_error;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (job->request_len <
sizeof(struct fc_bsg_request) +
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index ea9b42225e..20662b4f33 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -2196,12 +2196,12 @@ static int lpfc_debugfs_ras_log_data(struct lpfc_hba *phba,
memset(buffer, 0, size);
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
return -EINVAL;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
list_for_each_entry_safe(dmabuf, next,
&phba->ras_fwlog.fwlog_buff_list, list) {
@@ -2252,13 +2252,13 @@ lpfc_debugfs_ras_log_open(struct inode *inode, struct file *file)
int size;
int rc = -ENOMEM;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
if (phba->ras_fwlog.state != ACTIVE) {
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
rc = -EINVAL;
goto out;
}
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
if (check_mul_overflow(LPFC_RAS_MIN_BUFF_POST_SIZE,
phba->cfg_ras_fwlog_buffsize, &size))
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4d72320069..26736122bd 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4462,23 +4462,23 @@ lpfc_els_retry_delay(struct timer_list *t)
unsigned long flags;
struct lpfc_work_evt *evtp = &ndlp->els_retry_evt;
+ /* Hold a node reference for outstanding queued work */
+ if (!lpfc_nlp_get(ndlp))
+ return;
+
spin_lock_irqsave(&phba->hbalock, flags);
if (!list_empty(&evtp->evt_listp)) {
spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_nlp_put(ndlp);
return;
}
- /* We need to hold the node by incrementing the reference
- * count until the queued work is done
- */
- evtp->evt_arg1 = lpfc_nlp_get(ndlp);
- if (evtp->evt_arg1) {
- evtp->evt = LPFC_EVT_ELS_RETRY;
- list_add_tail(&evtp->evt_listp, &phba->work_list);
- lpfc_worker_wake_up(phba);
- }
+ evtp->evt_arg1 = ndlp;
+ evtp->evt = LPFC_EVT_ELS_RETRY;
+ list_add_tail(&evtp->evt_listp, &phba->work_list);
spin_unlock_irqrestore(&phba->hbalock, flags);
- return;
+
+ lpfc_worker_wake_up(phba);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index f80bbc315f..da3aee0f63 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -257,7 +257,9 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
if (evtp->evt_arg1) {
evtp->evt = LPFC_EVT_DEV_LOSS;
list_add_tail(&evtp->evt_listp, &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
lpfc_worker_wake_up(phba);
+ return;
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
} else {
@@ -275,10 +277,7 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RM);
}
-
}
-
- return;
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 70bcee64bc..858ca395c0 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7698,6 +7698,9 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
"NVME" : " "),
(phba->nvmet_support ? "NVMET" : " "));
+ /* ras_fwlog state */
+ spin_lock_init(&phba->ras_fwlog_lock);
+
/* Initialize the IO buffer list used by driver for SLI3 SCSI */
spin_lock_init(&phba->scsi_buf_list_get_lock);
INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
@@ -13047,7 +13050,7 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
rc = request_threaded_irq(eqhdl->irq,
&lpfc_sli4_hba_intr_handler,
&lpfc_sli4_hba_intr_handler_th,
- IRQF_ONESHOT, name, eqhdl);
+ 0, name, eqhdl);
if (rc) {
lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
"0486 MSI-X fast-path (%d) "
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 128fc1bab5..47218cf4d1 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -2616,9 +2616,9 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
/* No concern about the role change on the nvme remoteport.
* The transport will update it.
*/
- spin_lock_irq(&vport->phba->hbalock);
+ spin_lock_irq(&ndlp->lock);
ndlp->fc4_xpt_flags |= NVME_XPT_UNREG_WAIT;
- spin_unlock_irq(&vport->phba->hbalock);
+ spin_unlock_irq(&ndlp->lock);
/* Don't let the host nvme transport keep sending keep-alives
* on this remoteport. Vport is unloading, no recovery. The
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index bf879d8184..cf506556f3 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -167,11 +167,10 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
struct Scsi_Host *shost;
struct scsi_device *sdev;
unsigned long new_queue_depth;
- unsigned long num_rsrc_err, num_cmd_success;
+ unsigned long num_rsrc_err;
int i;
num_rsrc_err = atomic_read(&phba->num_rsrc_err);
- num_cmd_success = atomic_read(&phba->num_cmd_success);
/*
* The error and success command counters are global per
@@ -186,20 +185,16 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
shost = lpfc_shost_from_vport(vports[i]);
shost_for_each_device(sdev, shost) {
- new_queue_depth =
- sdev->queue_depth * num_rsrc_err /
- (num_rsrc_err + num_cmd_success);
- if (!new_queue_depth)
- new_queue_depth = sdev->queue_depth - 1;
+ if (num_rsrc_err >= sdev->queue_depth)
+ new_queue_depth = 1;
else
new_queue_depth = sdev->queue_depth -
- new_queue_depth;
+ num_rsrc_err;
scsi_change_queue_depth(sdev, new_queue_depth);
}
}
lpfc_destroy_vport_work_array(phba, vports);
atomic_set(&phba->num_rsrc_err, 0);
- atomic_set(&phba->num_cmd_success, 0);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 706985358c..e182107255 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1217,9 +1217,9 @@ lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
empty = list_empty(&phba->active_rrq_list);
list_add_tail(&rrq->list, &phba->active_rrq_list);
phba->hba_flag |= HBA_RRQ_ACTIVE;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
if (empty)
lpfc_worker_wake_up(phba);
- spin_unlock_irqrestore(&phba->hbalock, iflags);
return 0;
out:
spin_unlock_irqrestore(&phba->hbalock, iflags);
@@ -6849,9 +6849,9 @@ lpfc_ras_stop_fwlog(struct lpfc_hba *phba)
{
struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
/* Disable FW logging to host memory */
writel(LPFC_CTL_PDEV_CTL_DDL_RAS,
@@ -6894,9 +6894,9 @@ lpfc_sli4_ras_dma_free(struct lpfc_hba *phba)
ras_fwlog->lwpd.virt = NULL;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
}
/**
@@ -6998,9 +6998,9 @@ lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
goto disable_ras;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = ACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
mempool_free(pmb, phba->mbox_mem_pool);
return;
@@ -7032,9 +7032,9 @@ lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba,
uint32_t len = 0, fwlog_buffsize, fwlog_entry_count;
int rc = 0;
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = INACTIVE;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE *
phba->cfg_ras_fwlog_buffsize);
@@ -7095,9 +7095,9 @@ lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba,
mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys);
mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys);
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(&phba->ras_fwlog_lock);
ras_fwlog->state = REG_INPROGRESS;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->ras_fwlog_lock);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl;
@@ -11373,18 +11373,18 @@ lpfc_sli_post_recovery_event(struct lpfc_hba *phba,
unsigned long iflags;
struct lpfc_work_evt *evtp = &ndlp->recovery_evt;
+ /* Hold a node reference for outstanding queued work */
+ if (!lpfc_nlp_get(ndlp))
+ return;
+
spin_lock_irqsave(&phba->hbalock, iflags);
if (!list_empty(&evtp->evt_listp)) {
spin_unlock_irqrestore(&phba->hbalock, iflags);
+ lpfc_nlp_put(ndlp);
return;
}
- /* Incrementing the reference count until the queued work is done. */
- evtp->evt_arg1 = lpfc_nlp_get(ndlp);
- if (!evtp->evt_arg1) {
- spin_unlock_irqrestore(&phba->hbalock, iflags);
- return;
- }
+ evtp->evt_arg1 = ndlp;
evtp->evt = LPFC_EVT_RECOVER_PORT;
list_add_tail(&evtp->evt_listp, &phba->work_list);
spin_unlock_irqrestore(&phba->hbalock, iflags);
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 6c7559cf1a..9e0e9e02d2 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -683,10 +683,6 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
lpfc_free_sysfs_attr(vport);
lpfc_debugfs_terminate(vport);
- /* Remove FC host to break driver binding. */
- fc_remove_host(shost);
- scsi_remove_host(shost);
-
/* Send the DA_ID and Fabric LOGO to cleanup Nameserver entries. */
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp)
@@ -730,6 +726,10 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
skip_logo:
+ /* Remove FC host to break driver binding. */
+ fc_remove_host(shost);
+ scsi_remove_host(shost);
+
lpfc_cleanup(vport);
/* Remove scsi host now. The nodes are cleaned up. */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 12:07:00 +0000