@@ -565,6 +565,14 @@ enum lpfc_fc_flag {
FC_DISC_DELAYED, /* Delay NPort discovery */
};
+enum lpfc_load_flag {
+ FC_LOADING, /* HBA in process of loading drvr */
+ FC_UNLOADING, /* HBA in process of unloading drvr */
+ FC_ALLOW_FDMI, /* port is ready for FDMI requests */
+ FC_ALLOW_VMID, /* Allow VMID I/Os */
+ FC_DEREGISTER_ALL_APP_ID /* Deregister all VMIDs */
+};
+
struct lpfc_vport {
struct lpfc_hba *phba;
struct list_head listentry;
@@ -647,12 +655,7 @@ struct lpfc_vport {
struct timer_list els_tmofunc;
struct timer_list delayed_disc_tmo;
- uint8_t load_flag;
-#define FC_LOADING 0x1 /* HBA in process of loading drvr */
-#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
-#define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
-#define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
-#define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
+ unsigned long load_flag;
/* Vport Config Parameters */
uint32_t cfg_scan_down;
uint32_t cfg_lun_queue_depth;
@@ -298,7 +298,7 @@ lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq)
}
/* Ignore traffic received during vport shutdown */
- if (test_bit(FC_UNLOADING, &vport->fc_flag))
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return;
ndlp = lpfc_findnode_did(vport, did);
@@ -943,7 +943,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* Skip processing response on pport if unloading */
- if (vport == phba->pport && vport->load_flag & FC_UNLOADING) {
+ if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
lpfc_els_flush_rscn(vport);
goto out;
@@ -1159,7 +1159,7 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* Skip processing response on pport if unloading */
- if (vport == phba->pport && vport->load_flag & FC_UNLOADING) {
+ if (vport == phba->pport && test_bit(FC_UNLOADING, &vport->load_flag)) {
if (test_bit(FC_RSCN_MODE, &vport->fc_flag))
lpfc_els_flush_rscn(vport);
goto out;
@@ -3583,7 +3583,8 @@ lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
(ctrsp->Explanation != SLI_CT_APP_ID_NOT_AVAILABLE)) {
/* If DALLAPP_ID failed retry later */
if (cmd == SLI_CTAS_DALLAPP_ID)
- vport->load_flag |= FC_DEREGISTER_ALL_APP_ID;
+ set_bit(FC_DEREGISTER_ALL_APP_ID,
+ &vport->load_flag);
goto free_res;
}
}
@@ -3639,7 +3640,7 @@ lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (!hash_empty(vport->hash_table))
hash_for_each(vport->hash_table, bucket, cur, hnode)
hash_del(&cur->hnode);
- vport->load_flag |= FC_ALLOW_VMID;
+ set_bit(FC_ALLOW_VMID, &vport->load_flag);
break;
default:
lpfc_printf_vlog(vport, KERN_DEBUG, LOG_DISCOVERY,
@@ -4964,7 +4964,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
retry = 0;
}
- if ((vport->load_flag & FC_UNLOADING) != 0)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
retry = 0;
out_retry:
@@ -8232,7 +8232,7 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
struct lpfc_hba *phba = vport->phba;
/* Ignore RSCN if the port is being torn down. */
- if (vport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &vport->load_flag)) {
lpfc_els_flush_rscn(vport);
return 0;
}
@@ -9449,11 +9449,11 @@ lpfc_els_timeout(struct timer_list *t)
spin_lock_irqsave(&vport->work_port_lock, iflag);
tmo_posted = vport->work_port_events & WORKER_ELS_TMO;
- if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING)))
+ if (!tmo_posted && !test_bit(FC_UNLOADING, &vport->load_flag))
vport->work_port_events |= WORKER_ELS_TMO;
spin_unlock_irqrestore(&vport->work_port_lock, iflag);
- if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING)))
+ if (!tmo_posted && !test_bit(FC_UNLOADING, &vport->load_flag))
lpfc_worker_wake_up(phba);
return;
}
@@ -9489,7 +9489,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
if (unlikely(!pring))
return;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
spin_lock_irq(&phba->hbalock);
@@ -9565,7 +9565,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
lpfc_issue_hb_tmo(phba);
if (!list_empty(&pring->txcmplq))
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
mod_timer(&vport->els_tmofunc,
jiffies + msecs_to_jiffies(1000 * timeout));
}
@@ -10364,7 +10364,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
goto dropit;
/* Ignore traffic received during vport shutdown. */
- if (vport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
goto dropit;
/* If NPort discovery is delayed drop incoming ELS */
@@ -10785,7 +10785,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
return;
dropit:
- if (vport && !(vport->load_flag & FC_UNLOADING))
+ if (vport && !test_bit(FC_UNLOADING, &vport->load_flag))
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"0111 Dropping received ELS cmd "
"Data: x%x x%x x%x x%x\n",
@@ -10981,8 +10981,8 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
}
if ((phba->cfg_enable_SmartSAN ||
- (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) &&
- (vport->load_flag & FC_ALLOW_FDMI))
+ phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT) &&
+ test_bit(FC_ALLOW_FDMI, &vport->load_flag))
lpfc_start_fdmi(vport);
}
@@ -12014,7 +12014,7 @@ lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *vport)
* node and the vport is unloading, the xri aborted wcqe
* likely isn't coming back. Just release the sgl.
*/
- if ((vport->load_flag & FC_UNLOADING) &&
+ if (test_bit(FC_UNLOADING, &vport->load_flag) &&
ndlp->nlp_DID == Fabric_DID) {
list_del(&sglq_entry->list);
sglq_entry->state = SGL_FREED;
@@ -169,13 +169,13 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
"3181 dev_loss_callbk x%06x, rport x%px flg x%x "
- "load_flag x%x refcnt %u state %d xpt x%x\n",
+ "load_flag x%lx refcnt %u state %d xpt x%x\n",
ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag,
vport->load_flag, kref_read(&ndlp->kref),
ndlp->nlp_state, ndlp->fc4_xpt_flags);
/* Don't schedule a worker thread event if the vport is going down. */
- if (vport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &vport->load_flag)) {
spin_lock_irqsave(&ndlp->lock, iflags);
ndlp->rport = NULL;
@@ -263,7 +263,7 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
} else {
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
"3188 worker thread is stopped %s x%06x, "
- " rport x%px flg x%x load_flag x%x refcnt "
+ " rport x%px flg x%x load_flag x%lx refcnt "
"%d\n", __func__, ndlp->nlp_DID,
ndlp->rport, ndlp->nlp_flag,
vport->load_flag, kref_read(&ndlp->kref));
@@ -911,7 +911,7 @@ lpfc_work_list_done(struct lpfc_hba *phba)
free_evt = 0;
break;
case LPFC_EVT_RESET_HBA:
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_reset_hba(phba);
break;
}
@@ -1358,7 +1358,7 @@ lpfc_linkup_port(struct lpfc_vport *vport)
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
- if ((vport->load_flag & FC_UNLOADING) != 0)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
@@ -3924,7 +3924,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
vport->vpi, mb->mbxStatus);
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_workq_post_event(phba, NULL, NULL,
LPFC_EVT_RESET_HBA);
}
@@ -3939,7 +3939,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
* This shost reference might have been taken at the beginning of
* lpfc_vport_delete()
*/
- if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport))
+ if (test_bit(FC_UNLOADING, &vport->load_flag) && vport != phba->pport)
scsi_host_put(shost);
}
@@ -4490,7 +4490,7 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
/* Don't add the remote port if unloading. */
- if (vport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return;
ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids);
@@ -5235,13 +5235,13 @@ lpfc_set_unreg_login_mbx_cmpl(struct lpfc_hba *phba, struct lpfc_vport *vport,
mbox->mbox_cmpl = lpfc_nlp_logo_unreg;
} else if (phba->sli_rev == LPFC_SLI_REV4 &&
- (!(vport->load_flag & FC_UNLOADING)) &&
+ !test_bit(FC_UNLOADING, &vport->load_flag) &&
(bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
LPFC_SLI_INTF_IF_TYPE_2) &&
(kref_read(&ndlp->kref) > 0)) {
mbox->mbox_cmpl = lpfc_sli4_unreg_rpi_cmpl_clr;
} else {
- if (vport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &vport->load_flag)) {
if (phba->sli_rev == LPFC_SLI_REV4) {
spin_lock_irqsave(&ndlp->lock, iflags);
ndlp->nlp_flag |= NLP_RELEASE_RPI;
@@ -5349,7 +5349,7 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* will issue a LOGO here and keep the rpi alive if
* not unloading.
*/
- if (!(vport->load_flag & FC_UNLOADING)) {
+ if (!test_bit(FC_UNLOADING, &vport->load_flag)) {
ndlp->nlp_flag &= ~NLP_UNREG_INP;
lpfc_issue_els_logo(vport, ndlp, 0);
ndlp->nlp_prev_state = ndlp->nlp_state;
@@ -6925,8 +6925,8 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
* If driver is not unloading, check if there is any other
* FCF record that can be used for discovery.
*/
- if ((phba->pport->load_flag & FC_UNLOADING) ||
- (phba->link_state < LPFC_LINK_UP))
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag) ||
+ phba->link_state < LPFC_LINK_UP)
return;
/* This is considered as the initial FCF discovery scan */
@@ -892,7 +892,7 @@ lpfc_hba_down_prep(struct lpfc_hba *phba)
readl(phba->HCregaddr); /* flush */
}
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_cleanup_discovery_resources(phba->pport);
else {
vports = lpfc_create_vport_work_array(phba);
@@ -1232,13 +1232,13 @@ lpfc_rrq_timeout(struct timer_list *t)
phba = from_timer(phba, t, rrq_tmr);
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
phba->hba_flag |= HBA_RRQ_ACTIVE;
else
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_worker_wake_up(phba);
}
@@ -1271,7 +1271,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
mempool_free(pmboxq, phba->mbox_mem_pool);
if (!test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag) &&
!(phba->link_state == LPFC_HBA_ERROR) &&
- !(phba->pport->load_flag & FC_UNLOADING))
+ !test_bit(FC_UNLOADING, &phba->pport->load_flag))
mod_timer(&phba->hb_tmofunc,
jiffies +
msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
@@ -1298,7 +1298,7 @@ lpfc_idle_stat_delay_work(struct work_struct *work)
u32 i, idle_percent;
u64 wall, wall_idle, diff_wall, diff_idle, busy_time;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
if (phba->link_state == LPFC_HBA_ERROR ||
@@ -1359,7 +1359,8 @@ lpfc_hb_eq_delay_work(struct work_struct *work)
uint32_t usdelay;
int i;
- if (!phba->cfg_auto_imax || phba->pport->load_flag & FC_UNLOADING)
+ if (!phba->cfg_auto_imax ||
+ test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
if (phba->link_state == LPFC_HBA_ERROR ||
@@ -1534,9 +1535,9 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
}
lpfc_destroy_vport_work_array(phba, vports);
- if ((phba->link_state == LPFC_HBA_ERROR) ||
- (phba->pport->load_flag & FC_UNLOADING) ||
- test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag))
+ if (phba->link_state == LPFC_HBA_ERROR ||
+ test_bit(FC_UNLOADING, &phba->pport->load_flag) ||
+ test_bit(FC_OFFLINE_MODE, &phba->pport->fc_flag))
return;
if (phba->elsbuf_cnt &&
@@ -1737,7 +1738,7 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
break;
}
/* If driver is unloading let the worker thread continue */
- if (phba->pport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
phba->work_hs = 0;
break;
}
@@ -1748,7 +1749,7 @@ lpfc_handle_deferred_eratt(struct lpfc_hba *phba)
* first write to the host attention register clear the
* host status register.
*/
- if ((!phba->work_hs) && (!(phba->pport->load_flag & FC_UNLOADING)))
+ if (!phba->work_hs && !test_bit(FC_UNLOADING, &phba->pport->load_flag))
phba->work_hs = old_host_status & ~HS_FFER1;
spin_lock_irq(&phba->hbalock);
@@ -3086,7 +3087,7 @@ lpfc_cleanup(struct lpfc_vport *vport)
* The flush here is only when the pci slot
* is offline.
*/
- if (vport->load_flag & FC_UNLOADING &&
+ if (test_bit(FC_UNLOADING, &vport->load_flag) &&
pci_channel_offline(phba->pcidev))
lpfc_sli_flush_io_rings(vport->phba);
@@ -3412,7 +3413,7 @@ lpfc_sli4_node_prep(struct lpfc_hba *phba)
return;
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
- if (vports[i]->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vports[i]->load_flag))
continue;
list_for_each_entry_safe(ndlp, next_ndlp,
@@ -3612,7 +3613,7 @@ static void lpfc_destroy_multixri_pools(struct lpfc_hba *phba)
if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
lpfc_destroy_expedite_pool(phba);
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_sli_flush_io_rings(phba);
hwq_count = phba->cfg_hdw_queue;
@@ -3818,7 +3819,7 @@ lpfc_offline_prep(struct lpfc_hba *phba, int mbx_action)
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
- if (vports[i]->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vports[i]->load_flag))
continue;
shost = lpfc_shost_from_vport(vports[i]);
spin_lock_irq(shost->host_lock);
@@ -4764,7 +4765,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
vport = (struct lpfc_vport *) shost->hostdata;
vport->phba = phba;
- vport->load_flag |= FC_LOADING;
+ set_bit(FC_LOADING, &vport->load_flag);
set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag);
vport->fc_rscn_flush = 0;
atomic_set(&vport->fc_plogi_cnt, 0);
@@ -4928,7 +4929,7 @@ int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
spin_lock_irq(shost->host_lock);
- if (vport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &vport->load_flag)) {
stat = 1;
goto finished;
}
@@ -5042,9 +5043,7 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
fc_host_active_fc4s(shost)[7] = 1;
fc_host_max_npiv_vports(shost) = phba->max_vpi;
- spin_lock_irq(shost->host_lock);
- vport->load_flag &= ~FC_LOADING;
- spin_unlock_irq(shost->host_lock);
+ clear_bit(FC_LOADING, &vport->load_flag);
}
/**
@@ -5180,7 +5179,7 @@ lpfc_vmid_poll(struct timer_list *t)
/* Is the vmid inactivity timer enabled */
if (phba->pport->vmid_inactivity_timeout ||
- phba->pport->load_flag & FC_DEREGISTER_ALL_APP_ID) {
+ test_bit(FC_DEREGISTER_ALL_APP_ID, &phba->pport->load_flag)) {
wake_up = 1;
phba->pport->work_port_events |= WORKER_CHECK_INACTIVE_VMID;
}
@@ -6914,8 +6913,8 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
* If we are here first then vport_delete is going to wait
* for discovery to complete.
*/
- if (!(vport->load_flag & FC_UNLOADING) &&
- active_vlink_present) {
+ if (!test_bit(FC_UNLOADING, &vport->load_flag) &&
+ active_vlink_present) {
/*
* If there are other active VLinks present,
* re-instantiate the Vlink using FDISC.
@@ -9093,7 +9092,7 @@ lpfc_setup_fdmi_mask(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
- vport->load_flag |= FC_ALLOW_FDMI;
+ set_bit(FC_ALLOW_FDMI, &vport->load_flag);
if (phba->cfg_enable_SmartSAN ||
phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT) {
/* Setup appropriate attribute masks */
@@ -12805,7 +12804,7 @@ static void lpfc_cpuhp_add(struct lpfc_hba *phba)
static int __lpfc_cpuhp_checks(struct lpfc_hba *phba, int *retval)
{
- if (phba->pport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
*retval = -EAGAIN;
return true;
}
@@ -13325,12 +13324,7 @@ lpfc_sli4_disable_intr(struct lpfc_hba *phba)
static void
lpfc_unset_hba(struct lpfc_hba *phba)
{
- struct lpfc_vport *vport = phba->pport;
- struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-
- spin_lock_irq(shost->host_lock);
- vport->load_flag |= FC_UNLOADING;
- spin_unlock_irq(shost->host_lock);
+ set_bit(FC_UNLOADING, &phba->pport->load_flag);
kfree(phba->vpi_bmask);
kfree(phba->vpi_ids);
@@ -14122,9 +14116,7 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev)
struct lpfc_hba *phba = vport->phba;
int i;
- spin_lock_irq(&phba->hbalock);
- vport->load_flag |= FC_UNLOADING;
- spin_unlock_irq(&phba->hbalock);
+ set_bit(FC_UNLOADING, &vport->load_flag);
lpfc_free_sysfs_attr(vport);
@@ -14967,9 +14959,7 @@ lpfc_pci_remove_one_s4(struct pci_dev *pdev)
int i;
/* Mark the device unloading flag */
- spin_lock_irq(&phba->hbalock);
- vport->load_flag |= FC_UNLOADING;
- spin_unlock_irq(&phba->hbalock);
+ set_bit(FC_UNLOADING, &vport->load_flag);
if (phba->cgn_i)
lpfc_unreg_congestion_buf(phba);
@@ -859,8 +859,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
* If we are here first then vport_delete is going to wait
* for discovery to complete.
*/
- if (!(vport->load_flag & FC_UNLOADING) &&
- active_vlink_present) {
+ if (!test_bit(FC_UNLOADING, &vport->load_flag) &&
+ active_vlink_present) {
/*
* If there are other active VLinks present,
* re-instantiate the Vlink using FDISC.
@@ -1145,9 +1145,8 @@ lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
phba = vport->phba;
/* Release the RPI if reglogin completing */
- if (!(phba->pport->load_flag & FC_UNLOADING) &&
- (evt == NLP_EVT_CMPL_REG_LOGIN) &&
- (!pmb->u.mb.mbxStatus)) {
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag) &&
+ evt == NLP_EVT_CMPL_REG_LOGIN && !pmb->u.mb.mbxStatus) {
rpi = pmb->u.mb.un.varWords[0];
lpfc_release_rpi(phba, vport, ndlp, rpi);
}
@@ -1571,8 +1570,8 @@ lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport,
phba = vport->phba;
/* Release the RPI */
- if (!(phba->pport->load_flag & FC_UNLOADING) &&
- !mb->mbxStatus) {
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag) &&
+ !mb->mbxStatus) {
rpi = pmb->u.mb.un.varWords[0];
lpfc_release_rpi(phba, vport, ndlp, rpi);
}
@@ -94,7 +94,7 @@ lpfc_nvme_create_queue(struct nvme_fc_local_port *pnvme_lport,
lport = (struct lpfc_nvme_lport *)pnvme_lport->private;
vport = lport->vport;
- if (!vport || vport->load_flag & FC_UNLOADING ||
+ if (!vport || test_bit(FC_UNLOADING, &vport->load_flag) ||
vport->phba->hba_flag & HBA_IOQ_FLUSH)
return -ENODEV;
@@ -674,7 +674,7 @@ lpfc_nvme_ls_req(struct nvme_fc_local_port *pnvme_lport,
return -EINVAL;
vport = lport->vport;
- if (vport->load_flag & FC_UNLOADING ||
+ if (test_bit(FC_UNLOADING, &vport->load_flag) ||
vport->phba->hba_flag & HBA_IOQ_FLUSH)
return -ENODEV;
@@ -765,7 +765,7 @@ lpfc_nvme_xmt_ls_rsp(struct nvme_fc_local_port *localport,
struct lpfc_nvme_lport *lport;
int rc;
- if (axchg->phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &axchg->phba->pport->load_flag))
return -ENODEV;
lport = (struct lpfc_nvme_lport *)localport->private;
@@ -810,7 +810,7 @@ lpfc_nvme_ls_abort(struct nvme_fc_local_port *pnvme_lport,
return;
vport = lport->vport;
- if (vport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return;
ndlp = lpfc_findnode_did(vport, pnvme_rport->port_id);
@@ -1567,7 +1567,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
phba = vport->phba;
- if ((unlikely(vport->load_flag & FC_UNLOADING)) ||
+ if ((unlikely(test_bit(FC_UNLOADING, &vport->load_flag))) ||
phba->hba_flag & HBA_IOQ_FLUSH) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6124 Fail IO, Driver unload\n");
@@ -1886,7 +1886,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
if (unlikely(!freqpriv))
return;
- if (vport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return;
/* Announce entry to new IO submit field. */
@@ -2263,7 +2263,7 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport,
if (!vport->localport ||
test_bit(HBA_PCI_ERR, &vport->phba->bit_flags) ||
phba->link_state == LPFC_HBA_ERROR ||
- vport->load_flag & FC_UNLOADING)
+ test_bit(FC_UNLOADING, &vport->load_flag))
return;
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
@@ -2625,7 +2625,7 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* return values is ignored. The upcall is a courtesy to the
* transport.
*/
- if (vport->load_flag & FC_UNLOADING ||
+ if (test_bit(FC_UNLOADING, &vport->load_flag) ||
unlikely(vport->phba->link_state == LPFC_HBA_ERROR))
(void)nvme_fc_set_remoteport_devloss(remoteport, 0);
@@ -2644,7 +2644,7 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
"port_state x%x\n",
ret, remoteport->port_state);
- if (vport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &vport->load_flag)) {
/* Only 1 thread can drop the initial node
* reference. Check if another thread has set
* NLP_DROPPED.
@@ -872,7 +872,7 @@ __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg,
struct ulp_bde64 bpl;
int rc;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return -ENODEV;
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
@@ -984,7 +984,7 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
struct lpfc_nvmet_tgtport *nvmep = tgtport->private;
int rc;
- if (axchg->phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &axchg->phba->pport->load_flag))
return -ENODEV;
rc = __lpfc_nvme_xmt_ls_rsp(axchg, ls_rsp, lpfc_nvmet_xmt_ls_rsp_cmp);
@@ -1022,7 +1022,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
int id;
#endif
- if (phba->pport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
rc = -ENODEV;
goto aerr;
}
@@ -1145,7 +1145,7 @@ lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport,
struct lpfc_queue *wq;
unsigned long flags;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
if (!ctxp->hdwq)
@@ -1317,7 +1317,7 @@ lpfc_nvmet_ls_req(struct nvmet_fc_target_port *targetport,
return -EINVAL;
phba = lpfc_nvmet->phba;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return -EINVAL;
hstate = atomic_read(&lpfc_nvmet->state);
@@ -1353,7 +1353,7 @@ lpfc_nvmet_ls_abort(struct nvmet_fc_target_port *targetport,
int ret;
phba = lpfc_nvmet->phba;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
ndlp = (struct lpfc_nodelist *)hosthandle;
@@ -1036,7 +1036,7 @@ lpfc_handle_rrq_active(struct lpfc_hba *phba)
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
if ((!list_empty(&phba->active_rrq_list)) &&
- (!(phba->pport->load_flag & FC_UNLOADING)))
+ (!test_bit(FC_UNLOADING, &phba->pport->load_flag)))
mod_timer(&phba->rrq_tmr, next_time);
list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) {
list_del(&rrq->list);
@@ -1180,12 +1180,12 @@ lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
return -EINVAL;
spin_lock_irqsave(&phba->hbalock, iflags);
- if (phba->pport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
goto out;
}
- if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING))
+ if (ndlp->vport && test_bit(FC_UNLOADING, &ndlp->vport->load_flag))
goto out;
if (!ndlp->active_rrqs_xri_bitmap)
@@ -1732,7 +1732,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
(ulp_command != CMD_ABORT_XRI_CN) &&
(ulp_command != CMD_CLOSE_XRI_CN)) {
BUG_ON(!piocb->vport);
- if (!(piocb->vport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &piocb->vport->load_flag))
mod_timer(&piocb->vport->els_tmofunc,
jiffies +
msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
@@ -2882,7 +2882,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
* If a REG_LOGIN succeeded after node is destroyed or node
* is in re-discovery driver need to cleanup the RPI.
*/
- if (!(phba->pport->load_flag & FC_UNLOADING) &&
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag) &&
pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 &&
!pmb->u.mb.mbxStatus) {
mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
@@ -2904,7 +2904,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) &&
- !(phba->pport->load_flag & FC_UNLOADING) &&
+ !test_bit(FC_UNLOADING, &phba->pport->load_flag) &&
!pmb->u.mb.mbxStatus) {
shost = lpfc_shost_from_vport(vport);
spin_lock_irq(shost->host_lock);
@@ -2927,7 +2927,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
vport,
KERN_INFO, LOG_MBOX | LOG_DISCOVERY,
"1438 UNREG cmpl deferred mbox x%x "
- "on NPort x%x Data: x%x x%x x%px x%x x%x\n",
+ "on NPort x%x Data: x%x x%x x%px x%lx x%x\n",
ndlp->nlp_rpi, ndlp->nlp_DID,
ndlp->nlp_flag, ndlp->nlp_defer_did,
ndlp, vport->load_flag, kref_read(&ndlp->kref));
@@ -3235,7 +3235,7 @@ lpfc_nvme_unsol_ls_handler(struct lpfc_hba *phba, struct lpfc_iocbq *piocb)
lpfc_nvmeio_data(phba, "NVME LS RCV: xri x%x sz %d from %06x\n",
oxid, size, sid);
- if (phba->pport->load_flag & FC_UNLOADING) {
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
failwhy = "Driver Unloading";
} else if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
failwhy = "NVME FC4 Disabled";
@@ -3940,7 +3940,7 @@ void lpfc_poll_eratt(struct timer_list *t)
if (!(phba->hba_flag & HBA_SETUP))
return;
- if (phba->pport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &phba->pport->load_flag))
return;
/* Here we will also keep track of interrupts per sec of the hba */
@@ -12428,7 +12428,7 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
* If we're unloading, don't abort iocb on the ELS ring, but change
* the callback so that nothing happens when it finishes.
*/
- if ((vport->load_flag & FC_UNLOADING) &&
+ if (test_bit(FC_UNLOADING, &vport->load_flag) &&
pring->ringno == LPFC_ELS_RING) {
if (cmdiocb->cmd_flag & LPFC_IO_FABRIC)
cmdiocb->fabric_cmd_cmpl = lpfc_ignore_els_cmpl;
@@ -14658,7 +14658,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) {
spin_unlock_irqrestore(&phba->hbalock, iflags);
/* Handle MDS Loopback frames */
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_sli4_handle_mds_loopback(phba->pport,
dma_buf);
else
@@ -19457,7 +19457,7 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) {
vport = phba->pport;
/* Handle MDS Loopback frames */
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_sli4_handle_mds_loopback(vport, dmabuf);
else
lpfc_in_buf_free(phba, &dmabuf->dbuf);
@@ -408,7 +408,7 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
vport->fc_vport = fc_vport;
/* At this point we are fully registered with SCSI Layer. */
- vport->load_flag |= FC_ALLOW_FDMI;
+ set_bit(FC_ALLOW_FDMI, &vport->load_flag);
if (phba->cfg_enable_SmartSAN ||
(phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) {
/* Setup appropriate attribute masks */
@@ -538,7 +538,7 @@ disable_vport(struct fc_vport *fc_vport)
struct lpfc_nodelist *ndlp = NULL;
/* Can't disable during an outstanding delete. */
- if (vport->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &vport->load_flag))
return 0;
ndlp = lpfc_findnode_did(vport, Fabric_DID);
@@ -571,7 +571,6 @@ enable_vport(struct fc_vport *fc_vport)
struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data;
struct lpfc_hba *phba = vport->phba;
struct lpfc_nodelist *ndlp = NULL;
- struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if ((phba->link_state < LPFC_LINK_UP) ||
(phba->fc_topology == LPFC_TOPOLOGY_LOOP)) {
@@ -579,9 +578,7 @@ enable_vport(struct fc_vport *fc_vport)
return VPORT_OK;
}
- spin_lock_irq(shost->host_lock);
- vport->load_flag |= FC_LOADING;
- spin_unlock_irq(shost->host_lock);
+ set_bit(FC_LOADING, &vport->load_flag);
if (test_bit(FC_VPORT_NEEDS_INIT_VPI, &vport->fc_flag)) {
lpfc_issue_init_vpi(vport);
goto out;
@@ -639,22 +636,20 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
/* If the vport is a static vport fail the deletion. */
if ((vport->vport_flag & STATIC_VPORT) &&
- !(phba->pport->load_flag & FC_UNLOADING)) {
+ !test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"1837 vport_delete failed: Cannot delete "
"static vport.\n");
return VPORT_ERROR;
}
- spin_lock_irq(&phba->hbalock);
- vport->load_flag |= FC_UNLOADING;
- spin_unlock_irq(&phba->hbalock);
+ set_bit(FC_UNLOADING, &vport->load_flag);
/*
* If we are not unloading the driver then prevent the vport_delete
* from happening until after this vport's discovery is finished.
*/
- if (!(phba->pport->load_flag & FC_UNLOADING)) {
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
int check_count = 0;
while (check_count < ((phba->fc_ratov * 3) + 3) &&
vport->port_state > LPFC_VPORT_FAILED &&
@@ -721,7 +716,7 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
goto skip_logo;
}
- if (!(phba->pport->load_flag & FC_UNLOADING))
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag))
lpfc_discovery_wait(vport);
skip_logo:
@@ -732,7 +727,7 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
lpfc_sli_host_down(vport);
lpfc_stop_vport_timers(vport);
- if (!(phba->pport->load_flag & FC_UNLOADING)) {
+ if (!test_bit(FC_UNLOADING, &phba->pport->load_flag)) {
lpfc_unreg_all_rpis(vport);
lpfc_unreg_default_rpis(vport);
/*
@@ -769,7 +764,7 @@ lpfc_create_vport_work_array(struct lpfc_hba *phba)
return NULL;
spin_lock_irq(&phba->port_list_lock);
list_for_each_entry(port_iterator, &phba->port_list, listentry) {
- if (port_iterator->load_flag & FC_UNLOADING)
+ if (test_bit(FC_UNLOADING, &port_iterator->load_flag))
continue;
if (!scsi_host_get(lpfc_shost_from_vport(port_iterator))) {
lpfc_printf_vlog(port_iterator, KERN_ERR,
In attempt to reduce the amount of unnecessary shost_lock acquisitions in the lpfc driver, change load_flag into an unsigned long bitmask and use clear_bit/test_bit bitwise atomic APIs instead of reliance on shost_lock for synchronization. Also, correct the test for FC_UNLOADING in lpfc_ct_handle_mibreq, which incorrectly tests vport->fc_flag rather than vport->load_flag. Signed-off-by: Justin Tee <justin.tee@broadcom.com> --- drivers/scsi/lpfc/lpfc.h | 15 ++++--- drivers/scsi/lpfc/lpfc_ct.c | 11 ++--- drivers/scsi/lpfc/lpfc_els.c | 22 +++++----- drivers/scsi/lpfc/lpfc_hbadisc.c | 26 ++++++------ drivers/scsi/lpfc/lpfc_init.c | 64 +++++++++++++----------------- drivers/scsi/lpfc/lpfc_nportdisc.c | 13 +++--- drivers/scsi/lpfc/lpfc_nvme.c | 18 ++++----- drivers/scsi/lpfc/lpfc_nvmet.c | 12 +++--- drivers/scsi/lpfc/lpfc_sli.c | 24 +++++------ drivers/scsi/lpfc/lpfc_vport.c | 23 +++++------ 10 files changed, 108 insertions(+), 120 deletions(-)