diff options
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 4 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 5 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 54 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 16 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 46 |
5 files changed, 91 insertions, 34 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 79d8a914f9d0..bad066e5772a 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -1680,7 +1680,8 @@ typedef struct fc_port { uint8_t mp_byte; /* multi-path byte (not used) */ uint8_t cur_path; /* current path id */ - struct fc_rport *rport; + spinlock_t rport_lock; + struct fc_rport *rport, *drport; u32 supported_classes; struct work_struct rport_add_work; struct work_struct rport_del_work; @@ -2270,6 +2271,7 @@ typedef struct scsi_qla_host { #define LOOP_RESET_NEEDED 24 #define BEACON_BLINK_NEEDED 25 #define REGISTER_FDMI_NEEDED 26 +#define FCPORT_UPDATE_NEEDED 27 uint32_t device_flags; #define DFLG_LOCAL_DEVICES BIT_0 diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 32be4c14cccb..0c1ec14f3072 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -47,6 +47,7 @@ extern int qla2x00_local_device_login(scsi_qla_host_t *, uint16_t); extern void qla2x00_restart_queues(scsi_qla_host_t *, uint8_t); extern void qla2x00_rescan_fcports(scsi_qla_host_t *); +extern void qla2x00_update_fcports(scsi_qla_host_t *); extern int qla2x00_abort_isp(scsi_qla_host_t *); @@ -70,8 +71,8 @@ extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *); extern void qla2x00_cmd_timeout(srb_t *); -extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int); -extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *); +extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int); +extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *, int); extern void qla2x00_blink_led(scsi_qla_host_t *); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index a91fea69ad63..4c7caece4ca7 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1688,10 +1688,16 @@ 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 +1725,7 @@ 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 +2015,7 @@ 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; @@ -2084,24 +2091,29 @@ 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 +2229,11 @@ 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 +2705,8 @@ 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 +2753,7 @@ 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 +2866,7 @@ 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 +3001,17 @@ 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 +3041,7 @@ 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, diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index f63af081d4ff..71a46fcee8cc 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -389,7 +389,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) if (atomic_read(&ha->loop_state) != LOOP_DOWN) { atomic_set(&ha->loop_state, LOOP_DOWN); atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); } set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); @@ -432,7 +432,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) atomic_set(&ha->loop_state, LOOP_DOWN); atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); ha->device_flags |= DFLG_NO_CABLE; - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); } ha->flags.management_server_logged_in = 0; @@ -453,7 +453,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) if (atomic_read(&ha->loop_state) != LOOP_DOWN) { atomic_set(&ha->loop_state, LOOP_DOWN); atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); } set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); @@ -482,7 +482,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) if (!atomic_read(&ha->loop_down_timer)) atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); } if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { @@ -506,7 +506,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) if (!atomic_read(&ha->loop_down_timer)) atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); } set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); @@ -580,7 +580,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) */ atomic_set(&ha->loop_state, LOOP_UP); - qla2x00_mark_all_devices_lost(ha); + qla2x00_mark_all_devices_lost(ha, 1); ha->flags.rscn_queue_overflow = 1; @@ -1091,7 +1091,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) cp->result = DID_BUS_BUSY << 16; if (atomic_read(&fcport->state) == FCS_ONLINE) { - qla2x00_mark_device_lost(ha, fcport, 1); + qla2x00_mark_device_lost(ha, fcport, 1, 1); } break; @@ -1135,7 +1135,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) /* Check to see if logout occurred. */ if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT)) - qla2x00_mark_device_lost(ha, fcport, 1); + qla2x00_mark_device_lost(ha, fcport, 1, 1); break; case CS_QUEUE_FULL: diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 4916847d84ec..089e0f500363 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -756,7 +756,7 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) if (ret == SUCCESS) { if (fcport->flags & FC_FABRIC_DEVICE) { ha->isp_ops.fabric_logout(ha, fcport->loop_id); - qla2x00_mark_device_lost(ha, fcport); + qla2x00_mark_device_lost(ha, fcport, 0, 0); } } #endif @@ -1642,6 +1642,31 @@ qla2x00_free_device(scsi_qla_host_t *ha) pci_disable_device(ha->pdev); } +static inline void +qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, + int defer) +{ + unsigned long flags; + struct fc_rport *rport; + + if (!fcport->rport) + return; + + rport = fcport->rport; + if (defer) { + spin_lock_irqsave(&fcport->rport_lock, flags); + fcport->drport = rport; + fcport->rport = NULL; + spin_unlock_irqrestore(&fcport->rport_lock, flags); + set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); + } else { + spin_lock_irqsave(&fcport->rport_lock, flags); + fcport->rport = NULL; + spin_unlock_irqrestore(&fcport->rport_lock, flags); + fc_remote_port_delete(rport); + } +} + /* * qla2x00_mark_device_lost Updates fcport state when device goes offline. * @@ -1652,10 +1677,10 @@ qla2x00_free_device(scsi_qla_host_t *ha) * Context: */ void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, - int do_login) + int do_login, int defer) { - if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) - schedule_work(&fcport->rport_del_work); + if (atomic_read(&fcport->state) == FCS_ONLINE) + qla2x00_schedule_rport_del(ha, fcport, defer); /* * We may need to retry the login, so don't change the state of the @@ -1702,7 +1727,7 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, * Context: */ void -qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha) +qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) { fc_port_t *fcport; @@ -1716,10 +1741,13 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha) */ if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) continue; - if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport) - schedule_work(&fcport->rport_del_work); + if (atomic_read(&fcport->state) == FCS_ONLINE) + qla2x00_schedule_rport_del(ha, fcport, defer); atomic_set(&fcport->state, FCS_DEVICE_LOST); } + + if (defer && ha->dpc_wait && !ha->dpc_active) + up(ha->dpc_wait); } /* @@ -2161,6 +2189,9 @@ qla2x00_do_dpc(void *data) ha->host_no)); } + if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) + qla2x00_update_fcports(ha); + if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", ha->host_no)); @@ -2469,6 +2500,7 @@ qla2x00_timer(scsi_qla_host_t *ha) if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || + test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || start_dpc || test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |