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| author | Keith Busch <keith.busch@intel.com> | 2014-04-29 11:41:28 -0600 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-05-05 10:53:53 -0400 |
| commit | a7d2ce2832d84e0182585f63bf96ca7323b3aee7 (patch) | |
| tree | 2de094a28cc9eae1056f83c7083ea621b021b943 /include | |
| parent | 3291fa57cb1b004c1a4823beb28b5cc72555f1a5 (diff) | |
| download | linux-a7d2ce2832d84e0182585f63bf96ca7323b3aee7.tar.gz linux-a7d2ce2832d84e0182585f63bf96ca7323b3aee7.tar.bz2 linux-a7d2ce2832d84e0182585f63bf96ca7323b3aee7.zip | |
NVMe: Configure support for block flush
This configures an nvme request_queue as flush capable if the device
has a volatile write cache present.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nvme.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/nvme.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index cfd084cab22b..6266373d3147 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -99,6 +99,7 @@ struct nvme_dev { u32 stripe_size; u16 oncs; u16 abort_limit; + u8 vwc; u8 initialized; }; diff --git a/include/uapi/linux/nvme.h b/include/uapi/linux/nvme.h index ad9014e49693..f090336d5bad 100644 --- a/include/uapi/linux/nvme.h +++ b/include/uapi/linux/nvme.h @@ -73,6 +73,7 @@ enum { NVME_CTRL_ONCS_COMPARE = 1 << 0, NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1, NVME_CTRL_ONCS_DSM = 1 << 2, + NVME_CTRL_VWC_PRESENT = 1 << 0, }; struct nvme_lbaf { |