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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>
This commit is contained in:
Christoph Hellwig 2017-01-09 15:36:28 +01:00
parent fdd050b5b3
commit 39673e1995
1 changed files with 11 additions and 0 deletions
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11
include/linux/nvme.h
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@ -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;