]> git.baikalelectronics.ru Git - kernel.git/commit
nvme: add support for enhanced metadata
authorKeith Busch <kbusch@kernel.org>
Thu, 3 Mar 2022 20:13:12 +0000 (12:13 -0800)
committerJens Axboe <axboe@kernel.dk>
Mon, 7 Mar 2022 19:49:13 +0000 (12:49 -0700)
commitf62c161710912959c3a2c573d0405a44b226eb81
treeb020e171daef757a33562a01cd4d9e7d3d7c1e21
parentd6d84fc7a81da45c694a87d37307677ccd28a97c
nvme: add support for enhanced metadata

NVM Express ratified TP 4068 defines new protection information formats.
Implement support for the CRC64 guard tags.

Since the block layer doesn't support variable length reference tags,
driver support for the Storage Tag space is not supported at this time.

Cc: Hannes Reinecke <hare@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Klaus Jensen <its@irrelevant.dk>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20220303201312.3255347-9-kbusch@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/nvme/host/core.c
drivers/nvme/host/nvme.h
include/linux/nvme.h