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| author | Johannes Thumshirn <jthumshirn@suse.de> | 2017-06-07 11:45:36 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-15 14:30:23 +0200 |
| commit | c61d788b8b1fe57aaf03ac0b5c636c7388ebfd20 (patch) | |
| tree | 7178fcb57f4438ed9bcdc66da3254fc4786711db /include/linux/nvme.h | |
| parent | 430c7bef173e23c61981ca7d0279e3d3c7549b1a (diff) | |
| download | lwn-c61d788b8b1fe57aaf03ac0b5c636c7388ebfd20.tar.gz lwn-c61d788b8b1fe57aaf03ac0b5c636c7388ebfd20.zip | |
nvmet: allow overriding the NVMe VS via configfs
Allow overriding the announced NVMe Version of a via configfs.
This is particularly helpful when debugging new features for the host
or target side without bumping the hard coded version (as the target
might not be fully compliant to the announced version yet).
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Guan Junxiong <guanjunxiong@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/nvme.h')
| -rw-r--r-- | include/linux/nvme.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index f2344aa923e8..acb484935603 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -1085,4 +1085,8 @@ struct nvme_completion { #define NVME_VS(major, minor, tertiary) \ (((major) << 16) | ((minor) << 8) | (tertiary)) +#define NVME_MAJOR(ver) ((ver) >> 16) +#define NVME_MINOR(ver) (((ver) >> 8) & 0xff) +#define NVME_TERTIARY(ver) ((ver) & 0xff) + #endif /* _LINUX_NVME_H */ |