diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_os.c')
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 2ccad36bee9f..d6c8b429a675 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c | |||
@@ -685,6 +685,7 @@ static void qla4xxx_timer(struct scsi_qla_host *ha) | |||
685 | test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) || | 685 | test_bit(DPC_RESET_HA_DESTROY_DDB_LIST, &ha->dpc_flags) || |
686 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || | 686 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
687 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || | 687 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || |
688 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || | ||
688 | test_bit(DPC_AEN, &ha->dpc_flags)) && | 689 | test_bit(DPC_AEN, &ha->dpc_flags)) && |
689 | ha->dpc_thread) { | 690 | ha->dpc_thread) { |
690 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" | 691 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
@@ -1069,6 +1070,54 @@ static void qla4xxx_do_dpc(struct work_struct *work) | |||
1069 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) | 1070 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) |
1070 | qla4xxx_get_dhcp_ip_address(ha); | 1071 | qla4xxx_get_dhcp_ip_address(ha); |
1071 | 1072 | ||
1073 | /* ---- link change? --- */ | ||
1074 | if (test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { | ||
1075 | if (!test_bit(AF_LINK_UP, &ha->flags)) { | ||
1076 | /* ---- link down? --- */ | ||
1077 | list_for_each_entry_safe(ddb_entry, dtemp, | ||
1078 | &ha->ddb_list, list) { | ||
1079 | if (atomic_read(&ddb_entry->state) == | ||
1080 | DDB_STATE_ONLINE) | ||
1081 | qla4xxx_mark_device_missing(ha, | ||
1082 | ddb_entry); | ||
1083 | } | ||
1084 | } else { | ||
1085 | /* ---- link up? --- * | ||
1086 | * F/W will auto login to all devices ONLY ONCE after | ||
1087 | * link up during driver initialization and runtime | ||
1088 | * fatal error recovery. Therefore, the driver must | ||
1089 | * manually relogin to devices when recovering from | ||
1090 | * connection failures, logouts, expired KATO, etc. */ | ||
1091 | |||
1092 | list_for_each_entry_safe(ddb_entry, dtemp, | ||
1093 | &ha->ddb_list, list) { | ||
1094 | if ((atomic_read(&ddb_entry->state) == | ||
1095 | DDB_STATE_MISSING) || | ||
1096 | (atomic_read(&ddb_entry->state) == | ||
1097 | DDB_STATE_DEAD)) { | ||
1098 | if (ddb_entry->fw_ddb_device_state == | ||
1099 | DDB_DS_SESSION_ACTIVE) { | ||
1100 | atomic_set(&ddb_entry->state, | ||
1101 | DDB_STATE_ONLINE); | ||
1102 | dev_info(&ha->pdev->dev, | ||
1103 | "scsi%ld: %s: ddb[%d]" | ||
1104 | " os[%d] marked" | ||
1105 | " ONLINE\n", | ||
1106 | ha->host_no, __func__, | ||
1107 | ddb_entry->fw_ddb_index, | ||
1108 | ddb_entry->os_target_id); | ||
1109 | |||
1110 | iscsi_unblock_session( | ||
1111 | ddb_entry->sess); | ||
1112 | } else | ||
1113 | qla4xxx_relogin_device( | ||
1114 | ha, ddb_entry); | ||
1115 | } | ||
1116 | |||
1117 | } | ||
1118 | } | ||
1119 | } | ||
1120 | |||
1072 | /* ---- relogin device? --- */ | 1121 | /* ---- relogin device? --- */ |
1073 | if (adapter_up(ha) && | 1122 | if (adapter_up(ha) && |
1074 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { | 1123 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { |