diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 0a6e5246ad84..ef15a37b725a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -1472,6 +1472,74 @@ out: } /** + * mpi3mr_sync_timestamp - Issue time stamp sync request + * @mrioc: Adapter reference + * + * Issue IO unit control MPI request to synchornize firmware + * timestamp with host time. + * + * Return: 0 on success, non-zero on failure. + */ +static int mpi3mr_sync_timestamp(struct mpi3mr_ioc *mrioc) +{ + ktime_t current_time; + struct mpi3_iounit_control_request iou_ctrl; + int retval = 0; + + memset(&iou_ctrl, 0, sizeof(iou_ctrl)); + mutex_lock(&mrioc->init_cmds.mutex); + if (mrioc->init_cmds.state & MPI3MR_CMD_PENDING) { + retval = -1; + ioc_err(mrioc, "Issue IOUCTL time_stamp: command is in use\n"); + mutex_unlock(&mrioc->init_cmds.mutex); + goto out; + } + mrioc->init_cmds.state = MPI3MR_CMD_PENDING; + mrioc->init_cmds.is_waiting = 1; + mrioc->init_cmds.callback = NULL; + iou_ctrl.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_INITCMDS); + iou_ctrl.function = MPI3_FUNCTION_IO_UNIT_CONTROL; + iou_ctrl.operation = MPI3_CTRL_OP_UPDATE_TIMESTAMP; + current_time = ktime_get_real(); + iou_ctrl.param64[0] = cpu_to_le64(ktime_to_ms(current_time)); + + init_completion(&mrioc->init_cmds.done); + retval = mpi3mr_admin_request_post(mrioc, &iou_ctrl, + sizeof(iou_ctrl), 0); + if (retval) { + ioc_err(mrioc, "Issue IOUCTL time_stamp: Admin Post failed\n"); + goto out_unlock; + } + + wait_for_completion_timeout(&mrioc->init_cmds.done, + (MPI3MR_INTADMCMD_TIMEOUT * HZ)); + if (!(mrioc->init_cmds.state & MPI3MR_CMD_COMPLETE)) { + ioc_err(mrioc, "Issue IOUCTL time_stamp: command timed out\n"); + mrioc->init_cmds.is_waiting = 0; + mpi3mr_soft_reset_handler(mrioc, + MPI3MR_RESET_FROM_TSU_TIMEOUT, 1); + retval = -1; + goto out_unlock; + } + if ((mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK) + != MPI3_IOCSTATUS_SUCCESS) { + ioc_err(mrioc, + "Issue IOUCTL time_stamp: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", + (mrioc->init_cmds.ioc_status & MPI3_IOCSTATUS_STATUS_MASK), + mrioc->init_cmds.ioc_loginfo); + retval = -1; + goto out_unlock; + } + +out_unlock: + mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; + mutex_unlock(&mrioc->init_cmds.mutex); + +out: + return retval; +} + +/** * mpi3mr_watchdog_work - watchdog thread to monitor faults * @work: work struct * @@ -1489,6 +1557,11 @@ static void mpi3mr_watchdog_work(struct work_struct *work) enum mpi3mr_iocstate ioc_state; u32 fault, host_diagnostic; + if (mrioc->ts_update_counter++ >= MPI3MR_TSUPDATE_INTERVAL) { + mrioc->ts_update_counter = 0; + mpi3mr_sync_timestamp(mrioc); + } + /*Check for fault state every one second and issue Soft reset*/ ioc_state = mpi3mr_get_iocstate(mrioc); if (ioc_state == MRIOC_STATE_FAULT) { @@ -3293,6 +3366,7 @@ out: mrioc->reset_in_progress = 0; scsi_unblock_requests(mrioc->shost); mpi3mr_rfresh_tgtdevs(mrioc); + mrioc->ts_update_counter = 0; spin_lock_irqsave(&mrioc->watchdog_lock, flags); if (mrioc->watchdog_work_q) queue_delayed_work(mrioc->watchdog_work_q, |