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| author |   Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2021-12-20 19:41:53 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2021-12-23 00:04:24 -0500 |
| commit | 78b76a0768ef8a25ab92a28da4ac9a74db762c47 (patch) | |
| tree | 9e93161fe6ec4c64329cba003e54e9c2468d0ba3 /drivers/scsi/mpi3mr/mpi3mr.h | |
| parent | scsi: mpi3mr: Add Event acknowledgment logic (diff) | |
| download | linux-rng-78b76a0768ef8a25ab92a28da4ac9a74db762c47.tar.xz linux-rng-78b76a0768ef8a25ab92a28da4ac9a74db762c47.zip | |
scsi: mpi3mr: Support Prepare for Reset event
The IOC sends a Prepare for Reset Event to the host to prepare for a Soft
Reset. This event data has two reason codes:
1. Start - The host is expected to gracefully quiesce all I/O within
approximately 1 second.
2. Abort - The IOC is requesting to abort a previous Prepare for Reset
Event request. Normal I/O may be resumed.
Link: https://lore.kernel.org/r/20211220141159.16117-20-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr.h')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 26029570c3eb..8dd669fa5efb 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -114,6 +114,7 @@ extern int prot_mask; #define MPI3MR_TSUPDATE_INTERVAL 900 #define MPI3MR_DEFAULT_SHUTDOWN_TIME 120 #define MPI3MR_RAID_ERRREC_RESET_TIMEOUT 180 +#define MPI3MR_PREPARE_FOR_RESET_TIMEOUT 180 #define MPI3MR_RESET_ACK_TIMEOUT 30 #define MPI3MR_WATCHDOG_INTERVAL 1000 /* in milli seconds */ @@ -693,6 +694,8 @@ struct scmd_priv { * @prev_reset_result: Result of previous reset * @reset_mutex: Controller reset mutex * @reset_waitq: Controller reset wait queue + * @prepare_for_reset: Prepare for reset event received + * @prepare_for_reset_timeout_counter: Prepare for reset timeout * @diagsave_timeout: Diagnostic information save timeout * @logging_level: Controller debug logging level * @flush_io_count: I/O count to flush after reset @@ -825,6 +828,9 @@ struct mpi3mr_ioc { struct mutex reset_mutex; wait_queue_head_t reset_waitq; + u8 prepare_for_reset; + u16 prepare_for_reset_timeout_counter; + u16 diagsave_timeout; int logging_level; u16 flush_io_count; |