diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 77 |
1 files changed, 75 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c9e4372698a..690b626df93 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2738,6 +2738,8 @@ que_init: */ qla2xxx_wake_dpc(base_vha); + INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error); + if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); @@ -4673,6 +4675,66 @@ exit: return rval; } +void +qla2x00_disable_board_on_pci_error(struct work_struct *work) +{ + struct qla_hw_data *ha = container_of(work, struct qla_hw_data, + board_disable); + struct pci_dev *pdev = ha->pdev; + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + + ql_log(ql_log_warn, base_vha, 0x015b, + "Disabling adapter.\n"); + + set_bit(UNLOADING, &base_vha->dpc_flags); + + qla2x00_delete_all_vps(ha, base_vha); + + qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); + + qla2x00_dfs_remove(base_vha); + + qla84xx_put_chip(base_vha); + + if (base_vha->timer_active) + qla2x00_stop_timer(base_vha); + + base_vha->flags.online = 0; + + qla2x00_destroy_deferred_work(ha); + + /* + * Do not try to stop beacon blink as it will issue a mailbox + * command. + */ + qla2x00_free_sysfs_attr(base_vha, false); + + fc_remove_host(base_vha->host); + + scsi_remove_host(base_vha->host); + + base_vha->flags.init_done = 0; + qla25xx_delete_queues(base_vha); + qla2x00_free_irqs(base_vha); + qla2x00_free_fcports(base_vha); + qla2x00_mem_free(ha); + qla82xx_md_free(base_vha); + qla2x00_free_queues(ha); + + scsi_host_put(base_vha->host); + + qla2x00_unmap_iobases(ha); + + pci_release_selected_regions(ha->pdev, ha->bars); + kfree(ha); + ha = NULL; + + pci_disable_pcie_error_reporting(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + +} + /************************************************************************** * qla2x00_do_dpc * This kernel thread is a task that is schedule by the interrupt handler @@ -5026,9 +5088,20 @@ qla2x00_timer(scsi_qla_host_t *vha) return; } - /* Hardware read to raise pending EEH errors during mailbox waits. */ - if (!pci_channel_offline(ha->pdev)) + /* + * Hardware read to raise pending EEH errors during mailbox waits. If + * the read returns -1 then disable the board. + */ + if (!pci_channel_offline(ha->pdev)) { pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); + if (w == 0xffff) + /* + * Schedule this on the default system workqueue so that + * all the adapter workqueues and the DPC thread can be + * shutdown cleanly. + */ + schedule_work(&ha->board_disable); + } /* Make sure qla82xx_watchdog is run only for physical port */ if (!vha->vp_idx && IS_P3P_TYPE(ha)) { |