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Commit 39673e19 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

nvme.h: add struct nvme_host_mem_buf_desc and HMB flags 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <keith.busch@intel.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
parent fdd050b5

include/linux/nvme.h

+11 −0
Original line number Diff line number Diff line
@@ -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;