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authorChristoph Hellwig <hch@lst.de>2017-01-09 15:36:28 +0100
committerChristoph Hellwig <hch@lst.de>2017-06-13 11:45:33 +0200
commit39673e1995381b09a63cc7e9d0aea7cf871cb359 (patch)
treefa1f5fbc9f46303cc909a53d91a680d3345cdea5 /include
parentfdd050b5b3c96813ae6756ed68157d32ba31b9f2 (diff)
downloadlinux-39673e1995381b09a63cc7e9d0aea7cf871cb359.tar.bz2
nvme.h: add struct nvme_host_mem_buf_desc and HMB flags
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nvme.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index e400a69fa1d3..180a2fdbcaef 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -587,6 +587,11 @@ struct nvme_feat_auto_pst {
__le64 entries[32];
};
+enum {
+ NVME_HOST_MEM_ENABLE = (1 << 0),
+ NVME_HOST_MEM_RETURN = (1 << 1),
+};
+
/* Admin commands */
enum nvme_admin_opcode {
@@ -671,6 +676,12 @@ struct nvme_features {
__u32 rsvd12[4];
};
+struct nvme_host_mem_buf_desc {
+ __le64 addr;
+ __le32 size;
+ __u32 rsvd;
+};
+
struct nvme_create_cq {
__u8 opcode;
__u8 flags;