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Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_os.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 728d6ce51079..192986f38533 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -1989,6 +1989,40 @@ out:
}
/**
+ * mpi3mr_preparereset_evt_th - Prepare for reset event tophalf
+ * @mrioc: Adapter instance reference
+ * @event_reply: event data
+ *
+ * Blocks and unblocks host level I/O based on the reason code
+ *
+ * Return: Nothing
+ */
+static void mpi3mr_preparereset_evt_th(struct mpi3mr_ioc *mrioc,
+ struct mpi3_event_notification_reply *event_reply)
+{
+ struct mpi3_event_data_prepare_for_reset *evtdata =
+ (struct mpi3_event_data_prepare_for_reset *)event_reply->event_data;
+
+ if (evtdata->reason_code == MPI3_EVENT_PREPARE_RESET_RC_START) {
+ dprint_event_th(mrioc,
+ "prepare for reset event top half with rc=start\n");
+ if (mrioc->prepare_for_reset)
+ return;
+ mrioc->prepare_for_reset = 1;
+ mrioc->prepare_for_reset_timeout_counter = 0;
+ } else if (evtdata->reason_code == MPI3_EVENT_PREPARE_RESET_RC_ABORT) {
+ dprint_event_th(mrioc,
+ "prepare for reset top half with rc=abort\n");
+ mrioc->prepare_for_reset = 0;
+ mrioc->prepare_for_reset_timeout_counter = 0;
+ }
+ if ((event_reply->msg_flags & MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_MASK)
+ == MPI3_EVENT_NOTIFY_MSGFLAGS_ACK_REQUIRED)
+ mpi3mr_send_event_ack(mrioc, event_reply->event, NULL,
+ le32_to_cpu(event_reply->event_context));
+}
+
+/**
* mpi3mr_energypackchg_evt_th - Energy pack change evt tophalf
* @mrioc: Adapter instance reference
* @event_reply: event data
@@ -2075,6 +2109,12 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc,
mpi3mr_pcietopochg_evt_th(mrioc, event_reply);
break;
}
+ case MPI3_EVENT_PREPARE_FOR_RESET:
+ {
+ mpi3mr_preparereset_evt_th(mrioc, event_reply);
+ ack_req = 0;
+ break;
+ }
case MPI3_EVENT_DEVICE_INFO_CHANGED:
{
process_evt_bh = 1;