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path: root/drivers/scsi/qla2xxx/qla_init.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c83
1 files changed, 39 insertions, 44 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index a91fea69ad63..e67bb0997818 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -32,7 +32,6 @@ static int qla2x00_fw_ready(scsi_qla_host_t *);
static int qla2x00_configure_hba(scsi_qla_host_t *);
static int qla2x00_configure_loop(scsi_qla_host_t *);
static int qla2x00_configure_local_loop(scsi_qla_host_t *);
-static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
static int qla2x00_configure_fabric(scsi_qla_host_t *);
static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
static int qla2x00_device_resync(scsi_qla_host_t *);
@@ -1688,10 +1687,16 @@ static void
qla2x00_rport_del(void *data)
{
fc_port_t *fcport = data;
+ struct fc_rport *rport;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fcport->rport_lock, flags);
+ rport = fcport->drport;
+ fcport->drport = NULL;
+ spin_unlock_irqrestore(&fcport->rport_lock, flags);
+ if (rport)
+ fc_remote_port_delete(rport);
- if (fcport->rport)
- fc_remote_port_delete(fcport->rport);
- fcport->rport = NULL;
}
/**
@@ -1719,6 +1724,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
atomic_set(&fcport->state, FCS_UNCONFIGURED);
fcport->flags = FCF_RLC_SUPPORT;
fcport->supported_classes = FC_COS_UNSPECIFIED;
+ spin_lock_init(&fcport->rport_lock);
INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
@@ -2008,7 +2014,7 @@ qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
{
fc_port_t *fcport;
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 0);
list_for_each_entry(fcport, &ha->fcports, list) {
if (fcport->port_type != FCT_TARGET)
continue;
@@ -2032,13 +2038,9 @@ qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
* Context:
* Kernel context.
*/
-static void
+void
qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
{
- uint16_t index;
- unsigned long flags;
- srb_t *sp;
-
fcport->ha = ha;
fcport->login_retry = 0;
fcport->port_login_retry_count = ha->port_down_retry_count *
@@ -2047,28 +2049,6 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
PORT_RETRY_TIME);
fcport->flags &= ~FCF_LOGIN_NEEDED;
- /*
- * Check for outstanding cmd on tape Bypass LUN discovery if active
- * command on tape.
- */
- if (fcport->flags & FCF_TAPE_PRESENT) {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
- fc_port_t *sfcp;
-
- if ((sp = ha->outstanding_cmds[index]) != 0) {
- sfcp = sp->fcport;
- if (sfcp == fcport) {
- atomic_set(&fcport->state, FCS_ONLINE);
- spin_unlock_irqrestore(
- &ha->hardware_lock, flags);
- return;
- }
- }
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
-
if (fcport->port_type == FCT_INITIATOR ||
fcport->port_type == FCT_BROADCAST)
fcport->device_type = TYPE_PROCESSOR;
@@ -2084,24 +2064,29 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
{
struct fc_rport_identifiers rport_ids;
struct fc_rport *rport;
+ unsigned long flags;
- if (fcport->rport) {
- fc_remote_port_delete(fcport->rport);
- fcport->rport = NULL;
- }
+ if (fcport->drport)
+ qla2x00_rport_del(fcport);
+ if (fcport->rport)
+ return;
rport_ids.node_name = wwn_to_u64(fcport->node_name);
rport_ids.port_name = wwn_to_u64(fcport->port_name);
rport_ids.port_id = fcport->d_id.b.domain << 16 |
fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
- fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
+ rport = fc_remote_port_add(ha->host, 0, &rport_ids);
if (!rport) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate fc remote port!\n");
return;
}
+ spin_lock_irqsave(&fcport->rport_lock, flags);
+ fcport->rport = rport;
*((fc_port_t **)rport->dd_data) = fcport;
+ spin_unlock_irqrestore(&fcport->rport_lock, flags);
+
rport->supported_classes = fcport->supported_classes;
rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
@@ -2217,12 +2202,11 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
qla2x00_mark_device_lost(ha, fcport,
- ql2xplogiabsentdevice);
+ ql2xplogiabsentdevice, 0);
if (fcport->loop_id != FC_NO_LOOP_ID &&
(fcport->flags & FCF_TAPE_PRESENT) == 0 &&
fcport->port_type != FCT_INITIATOR &&
fcport->port_type != FCT_BROADCAST) {
-
ha->isp_ops.fabric_logout(ha,
fcport->loop_id,
fcport->d_id.b.domain,
@@ -2694,7 +2678,8 @@ qla2x00_device_resync(scsi_qla_host_t *ha)
if (atomic_read(&fcport->state) == FCS_ONLINE) {
if (format != 3 ||
fcport->port_type != FCT_INITIATOR) {
- qla2x00_mark_device_lost(ha, fcport, 0);
+ qla2x00_mark_device_lost(ha, fcport,
+ 0, 0);
}
}
fcport->flags &= ~FCF_FARP_DONE;
@@ -2741,8 +2726,7 @@ qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
ha->isp_ops.fabric_logout(ha, fcport->loop_id,
fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa);
- qla2x00_mark_device_lost(ha, fcport, 1);
-
+ qla2x00_mark_device_lost(ha, fcport, 1, 0);
} else {
qla2x00_update_fcport(ha, fcport);
}
@@ -2855,7 +2839,7 @@ qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
ha->isp_ops.fabric_logout(ha, fcport->loop_id,
fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa);
- qla2x00_mark_device_lost(ha, fcport, 1);
+ qla2x00_mark_device_lost(ha, fcport, 1, 0);
rval = 1;
break;
@@ -2990,6 +2974,17 @@ qla2x00_rescan_fcports(scsi_qla_host_t *ha)
qla2x00_probe_for_all_luns(ha);
}
+void
+qla2x00_update_fcports(scsi_qla_host_t *ha)
+{
+ fc_port_t *fcport;
+
+ /* Go with deferred removal of rport references. */
+ list_for_each_entry(fcport, &ha->fcports, list)
+ if (fcport->drport)
+ qla2x00_rport_del(fcport);
+}
+
/*
* qla2x00_abort_isp
* Resets ISP and aborts all outstanding commands.
@@ -3019,7 +3014,7 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 0);
} else {
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
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