diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index a91fea69ad6..4c7caece4ca 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, |