diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 71 |
1 files changed, 66 insertions, 5 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index f7cd70a15ea6..d8c195b7ca57 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -14,6 +14,7 @@ LIST_HEAD(mrioc_list); DEFINE_SPINLOCK(mrioc_list_lock); static int mrioc_ids; static int warn_non_secure_ctlr; +atomic64_t event_counter; MODULE_AUTHOR(MPI3MR_DRIVER_AUTHOR); MODULE_DESCRIPTION(MPI3MR_DRIVER_DESC); @@ -634,7 +635,7 @@ found_tgtdev: * * Return: Target device reference. */ -static struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle( +struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_handle( struct mpi3mr_ioc *mrioc, u16 handle) { struct mpi3mr_tgt_dev *tgtdev; @@ -910,9 +911,11 @@ void mpi3mr_rfresh_tgtdevs(struct mpi3mr_ioc *mrioc) list_for_each_entry_safe(tgtdev, tgtdev_next, &mrioc->tgtdev_list, list) { - if ((tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) && - tgtdev->host_exposed) { - mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev); + if (tgtdev->dev_handle == MPI3MR_INVALID_DEV_HANDLE) { + dprint_reset(mrioc, "removing target device with perst_id(%d)\n", + tgtdev->perst_id); + if (tgtdev->host_exposed) + mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev); mpi3mr_tgtdev_del_from_list(mrioc, tgtdev); mpi3mr_tgtdev_put(tgtdev); } @@ -1416,6 +1419,23 @@ static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc, } /** + * mpi3mr_logdata_evt_bh - Log data event bottomhalf + * @mrioc: Adapter instance reference + * @fwevt: Firmware event reference + * + * Extracts the event data and calls application interfacing + * function to process the event further. + * + * Return: Nothing. + */ +static void mpi3mr_logdata_evt_bh(struct mpi3mr_ioc *mrioc, + struct mpi3mr_fwevt *fwevt) +{ + mpi3mr_app_save_logdata(mrioc, fwevt->event_data, + fwevt->event_data_size); +} + +/** * mpi3mr_fwevt_bh - Firmware event bottomhalf handler * @mrioc: Adapter instance reference * @fwevt: Firmware event reference @@ -1467,6 +1487,11 @@ static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, mpi3mr_pcietopochg_evt_bh(mrioc, fwevt); break; } + case MPI3_EVENT_LOG_DATA: + { + mpi3mr_logdata_evt_bh(mrioc, fwevt); + break; + } default: break; } @@ -2298,6 +2323,7 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc, break; } case MPI3_EVENT_DEVICE_INFO_CHANGED: + case MPI3_EVENT_LOG_DATA: { process_evt_bh = 1; break; @@ -2996,7 +3022,7 @@ inline void mpi3mr_poll_pend_io_completions(struct mpi3mr_ioc *mrioc) * * Return: 0 on success, non-zero on errors */ -static int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type, +int mpi3mr_issue_tm(struct mpi3mr_ioc *mrioc, u8 tm_type, u16 handle, uint lun, u16 htag, ulong timeout, struct mpi3mr_drv_cmd *drv_cmd, u8 *resp_code, struct scsi_cmnd *scmd) @@ -3589,6 +3615,7 @@ static int mpi3mr_scan_finished(struct Scsi_Host *shost, mpi3mr_start_watchdog(mrioc); mrioc->is_driver_loading = 0; + mrioc->stop_bsgs = 0; return 1; } @@ -3700,6 +3727,10 @@ static int mpi3mr_slave_configure(struct scsi_device *sdev) return -ENXIO; mpi3mr_change_queue_depth(sdev, tgt_dev->q_depth); + + sdev->eh_timeout = MPI3MR_EH_SCMD_TIMEOUT; + blk_queue_rq_timeout(sdev->request_queue, MPI3MR_SCMD_TIMEOUT); + switch (tgt_dev->dev_type) { case MPI3_DEVICE_DEVFORM_PCIE: /*The block layer hw sector size = 512*/ @@ -3971,6 +4002,12 @@ static int mpi3mr_qcmd(struct Scsi_Host *shost, int iprio_class; u8 is_pcie_dev = 0; + if (mrioc->unrecoverable) { + scmd->result = DID_ERROR << 16; + scsi_done(scmd); + goto out; + } + sdev_priv_data = scmd->device->hostdata; if (!sdev_priv_data || !sdev_priv_data->tgt_priv_data) { scmd->result = DID_NO_CONNECT << 16; @@ -4109,6 +4146,8 @@ static struct scsi_host_template mpi3mr_driver_template = { .max_segment_size = 0xffffffff, .track_queue_depth = 1, .cmd_size = sizeof(struct scmd_priv), + .shost_groups = mpi3mr_host_groups, + .sdev_groups = mpi3mr_dev_groups, }; /** @@ -4259,6 +4298,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) mutex_init(&mrioc->reset_mutex); mpi3mr_init_drv_cmd(&mrioc->init_cmds, MPI3MR_HOSTTAG_INITCMDS); mpi3mr_init_drv_cmd(&mrioc->host_tm_cmds, MPI3MR_HOSTTAG_BLK_TMS); + mpi3mr_init_drv_cmd(&mrioc->bsg_cmds, MPI3MR_HOSTTAG_BSG_CMDS); for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) mpi3mr_init_drv_cmd(&mrioc->dev_rmhs_cmds[i], @@ -4271,6 +4311,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) mrioc->logging_level = logging_level; mrioc->shost = shost; mrioc->pdev = pdev; + mrioc->stop_bsgs = 1; /* init shost parameters */ shost->max_cmd_len = MPI3MR_MAX_CDB_LENGTH; @@ -4345,6 +4386,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) } scsi_scan_host(shost); + mpi3mr_bsg_init(mrioc); return retval; addhost_failed: @@ -4389,6 +4431,7 @@ static void mpi3mr_remove(struct pci_dev *pdev) while (mrioc->reset_in_progress || mrioc->is_driver_loading) ssleep(1); + mpi3mr_bsg_exit(mrioc); mrioc->stop_drv_processing = 1; mpi3mr_cleanup_fwevt_list(mrioc); spin_lock_irqsave(&mrioc->fwevt_lock, flags); @@ -4563,6 +4606,12 @@ static struct pci_driver mpi3mr_pci_driver = { #endif }; +static ssize_t event_counter_show(struct device_driver *dd, char *buf) +{ + return sprintf(buf, "%llu\n", atomic64_read(&event_counter)); +} +static DRIVER_ATTR_RO(event_counter); + static int __init mpi3mr_init(void) { int ret_val; @@ -4571,6 +4620,16 @@ static int __init mpi3mr_init(void) MPI3MR_DRIVER_VERSION); ret_val = pci_register_driver(&mpi3mr_pci_driver); + if (ret_val) { + pr_err("%s failed to load due to pci register driver failure\n", + MPI3MR_DRIVER_NAME); + return ret_val; + } + + ret_val = driver_create_file(&mpi3mr_pci_driver.driver, + &driver_attr_event_counter); + if (ret_val) + pci_unregister_driver(&mpi3mr_pci_driver); return ret_val; } @@ -4585,6 +4644,8 @@ static void __exit mpi3mr_exit(void) pr_info("Unloading %s version %s\n", MPI3MR_DRIVER_NAME, MPI3MR_DRIVER_VERSION); + driver_remove_file(&mpi3mr_pci_driver.driver, + &driver_attr_event_counter); pci_unregister_driver(&mpi3mr_pci_driver); } |