diff options
| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2019-08-01 10:26:37 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-04 21:41:29 -0600 |
| commit | d81e9d494354064cd0a99d08401097dd16f335c0 (patch) | |
| tree | 63861964166a70fc6698aa77bf65fb0cdc4ed70b /drivers/scsi/sd_zbc.c | |
| parent | 6e33dbf280d60db8c1c11dbf99c0bc475946f9c8 (diff) | |
scsi: implement REQ_OP_ZONE_RESET_ALL
This patch implements the zone reset all operation for sd_zbc.c. We add
a new boolean parameter for the sd_zbc_setup_reset_cmd() to indicate
REQ_OP_ZONE_RESET_ALL command setup. Along with that we add support in
the completion path for the zone reset all.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/scsi/sd_zbc.c')
| -rw-r--r-- | drivers/scsi/sd_zbc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 5d6ff3931632..367614f0e34f 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -209,10 +209,11 @@ static inline sector_t sd_zbc_zone_sectors(struct scsi_disk *sdkp) /** * sd_zbc_setup_reset_cmnd - Prepare a RESET WRITE POINTER scsi command. * @cmd: the command to setup + * @all: Reset all zones control. * * Called from sd_init_command() for a REQ_OP_ZONE_RESET request. */ -blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd) +blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd, bool all) { struct request *rq = cmd->request; struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); @@ -234,7 +235,10 @@ blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd) memset(cmd->cmnd, 0, cmd->cmd_len); cmd->cmnd[0] = ZBC_OUT; cmd->cmnd[1] = ZO_RESET_WRITE_POINTER; - put_unaligned_be64(block, &cmd->cmnd[2]); + if (all) + cmd->cmnd[14] = 0x1; + else + put_unaligned_be64(block, &cmd->cmnd[2]); rq->timeout = SD_TIMEOUT; cmd->sc_data_direction = DMA_NONE; @@ -261,6 +265,7 @@ void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes, switch (req_op(rq)) { case REQ_OP_ZONE_RESET: + case REQ_OP_ZONE_RESET_ALL: if (result && sshdr->sense_key == ILLEGAL_REQUEST && @@ -487,6 +492,7 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf) /* The drive satisfies the kernel restrictions: set it up */ blk_queue_chunk_sectors(sdkp->disk->queue, logical_to_sectors(sdkp->device, zone_blocks)); + blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, sdkp->disk->queue); nr_zones = round_up(sdkp->capacity, zone_blocks) >> ilog2(zone_blocks); /* READ16/WRITE16 is mandatory for ZBC disks */ |