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author | Changpeng Liu <changpeng.liu@intel.com> | 2017-08-31 06:22:49 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-07 09:37:16 +0300 |
commit | bdacc5fcf4f905e732fb3420e20602da333285e9 (patch) | |
tree | 5035dce8392d46b0d0524713df0fe4f9656b9930 | |
parent | c6d2779d8f0d834e552ed5f022e96137b768315c (diff) | |
download | linux-bdacc5fcf4f905e732fb3420e20602da333285e9.tar.xz |
nvme: fix the definition of the doorbell buffer config support bit
commit 223694b9ae8bfba99f3528d49d07a740af6ff95a upstream.
NVMe 1.3 specification defines the Optional Admin Command Support feature
flags, bit 8 set to '1' then the controller supports the Doorbell Buffer
Config command. Bit 7 is used for Virtualization Mangement command.
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: f9f38e33 ("nvme: improve performance for virtual NVMe devices")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | include/linux/nvme.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index b625bacf37ef..f4f9481a0c8a 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -245,7 +245,7 @@ enum { NVME_CTRL_ONCS_WRITE_ZEROES = 1 << 3, NVME_CTRL_VWC_PRESENT = 1 << 0, NVME_CTRL_OACS_SEC_SUPP = 1 << 0, - NVME_CTRL_OACS_DBBUF_SUPP = 1 << 7, + NVME_CTRL_OACS_DBBUF_SUPP = 1 << 8, }; struct nvme_lbaf { |