Commit 407d22eb authored by Klaus Jensen's avatar Klaus Jensen Committed by Max Reitz
Browse files

nvme: fix NSSRS offset in CAP register 



Fix the offset of the NSSRS field the CAP register.

From NVME 1.4, section 3 ("Controller Registers"), subsection 3.1.1
("Offset 0h: CAP – Controller Capabilities") CAP_NSSRS_SHIFT is bit 36,
not 33.

Signed-off-by: default avatarKlaus Jensen <k.jensen@samsung.com>
Reported-by: default avatarJavier Gonzalez <javier.gonz@samsung.com>
Message-id: 20191023073315.446534-1-its@irrelevant.dk
Reviewed-by: default avatarJohn Snow <jsnow@redhat.com>
[mreitz: Added John's note on the location in the specification where
         this information can be found]
Signed-off-by: default avatarMax Reitz <mreitz@redhat.com>
parent 36609b4f

include/block/nvme.h

+1 −1
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ enum NvmeCapShift { 
    CAP_AMS_SHIFT      = 17,

    CAP_TO_SHIFT       = 24,

    CAP_DSTRD_SHIFT    = 32,

    CAP_NSSRS_SHIFT    = 33,

    CAP_NSSRS_SHIFT    = 36,

    CAP_CSS_SHIFT      = 37,

    CAP_MPSMIN_SHIFT   = 48,

    CAP_MPSMAX_SHIFT   = 52,