From: Javier González <javier.gonz@xxxxxxxxxxx>
Add support for offline transition on the zoned block device using the
new zone management IOCTL
Signed-off-by: Javier González <javier.gonz@xxxxxxxxxxx>
Signed-off-by: SelvaKumar S <selvakuma.s1@xxxxxxxxxxx>
Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
Signed-off-by: Nitesh Shetty <nj.shetty@xxxxxxxxxxx>
---
block/blk-core.c | 2 ++
block/blk-zoned.c | 3 +++
drivers/nvme/host/core.c | 3 +++
include/linux/blk_types.h | 3 +++
include/linux/blkdev.h | 1 -
include/uapi/linux/blkzoned.h | 1 +
6 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 03252af8c82c..589cbdacc5ec 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -140,6 +140,7 @@ static const char *const blk_op_name[] = {
REQ_OP_NAME(ZONE_CLOSE),
REQ_OP_NAME(ZONE_FINISH),
REQ_OP_NAME(ZONE_APPEND),
+ REQ_OP_NAME(ZONE_OFFLINE),
REQ_OP_NAME(WRITE_SAME),
REQ_OP_NAME(WRITE_ZEROES),
REQ_OP_NAME(SCSI_IN),
@@ -1030,6 +1031,7 @@ generic_make_request_checks(struct bio *bio)
case REQ_OP_ZONE_OPEN:
case REQ_OP_ZONE_CLOSE:
case REQ_OP_ZONE_FINISH:
+ case REQ_OP_ZONE_OFFLINE:
if (!blk_queue_is_zoned(q))
goto not_supported;
break;
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 29194388a1bb..704fc15813d1 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -416,6 +416,9 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,
case BLK_ZONE_MGMT_RESET:
op = REQ_OP_ZONE_RESET;
break;
+ case BLK_ZONE_MGMT_OFFLINE:
+ op = REQ_OP_ZONE_OFFLINE;
+ break;
default:
return -ENOTTY;
}
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f1215523792b..5b95c81d2a2d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -776,6 +776,9 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
case REQ_OP_ZONE_FINISH:
ret = nvme_setup_zone_mgmt_send(ns, req, cmd, NVME_ZONE_FINISH);
break;
+ case REQ_OP_ZONE_OFFLINE:
+ ret = nvme_setup_zone_mgmt_send(ns, req, cmd, NVME_ZONE_OFFLINE);
+ break;
case REQ_OP_WRITE_ZEROES:
ret = nvme_setup_write_zeroes(ns, req, cmd);
break;
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 16b57fb2b99c..b3921263c3dd 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -316,6 +316,8 @@ enum req_opf {
REQ_OP_ZONE_FINISH = 12,
/* write data at the current zone write pointer */
REQ_OP_ZONE_APPEND = 13,
+ /* Transition a zone to offline */
+ REQ_OP_ZONE_OFFLINE = 14,
/* SCSI passthrough using struct scsi_request */
REQ_OP_SCSI_IN = 32,
@@ -456,6 +458,7 @@ static inline bool op_is_zone_mgmt(enum req_opf op)
case REQ_OP_ZONE_OPEN:
case REQ_OP_ZONE_CLOSE:
case REQ_OP_ZONE_FINISH:
+ case REQ_OP_ZONE_OFFLINE:
return true;
default:
return false;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index bd8521f94dc4..8308d8a3720b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -372,7 +372,6 @@ extern int blkdev_zone_ops_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
extern int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
-
#else /* CONFIG_BLK_DEV_ZONED */
static inline unsigned int blkdev_nr_zones(struct gendisk *disk)
diff --git a/include/uapi/linux/blkzoned.h b/include/uapi/linux/blkzoned.h
index a8c89fe58f97..d0978ee10fc7 100644
--- a/include/uapi/linux/blkzoned.h
+++ b/include/uapi/linux/blkzoned.h
@@ -155,6 +155,7 @@ enum blk_zone_action {
BLK_ZONE_MGMT_FINISH = 0x2,
BLK_ZONE_MGMT_OPEN = 0x3,
BLK_ZONE_MGMT_RESET = 0x4,
+ BLK_ZONE_MGMT_OFFLINE = 0x5,
};
/**
--
2.17.1
