nvme: enhance cns version checking

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The number of CNS bits in the command is specific to the nvme spec
version compliance. The existing check is not sufficient for possible
CNS values the driver uses that may create confusion between host and
device, so enhance the check to consider the version and desired CNS
value.

Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>

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Keith Busch 2024-10-17 10:45:24 -07:00

parent 49c234b50a

commit f54f0d0e2b

1 changed files with 25 additions and 12 deletions

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37

drivers/nvme/host/core.c

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