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nvmet: allow overriding the NVMe VS via configfs

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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>
This commit is contained in:
Johannes Thumshirn
2017-06-07 11:45:36 +02:00
committed by Christoph Hellwig
parent 430c7bef17
commit c61d788b8b
2 changed files with 41 additions and 0 deletions
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4
include/linux/nvme.h
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@@ -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 */