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Commit 7b89eae2 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Jens Axboe
Browse files

nvme.h: Add keep-alive opcode and identify controller attribute 



KAS: keep-alive support and granularity of kato in units of 100 ms
nvme_admin_keep_alive opcode: 0x18

Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <keith.busch@intel.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 07bfcd09

include/linux/nvme.h

+5 −1
Original line number Diff line number Diff line
@@ -202,7 +202,9 @@ struct nvme_id_ctrl { 
	__u8			apsta;

	__le16			wctemp;

	__le16			cctemp;

	__u8			rsvd270[242];

	__u8			rsvd270[50];

	__le16			kas;

	__u8			rsvd322[190];

	__u8			sqes;

	__u8			cqes;

	__le16			maxcmd;
@@ -556,6 +558,7 @@ enum nvme_admin_opcode { 
	nvme_admin_async_event		= 0x0c,

	nvme_admin_activate_fw		= 0x10,

	nvme_admin_download_fw		= 0x11,

	nvme_admin_keep_alive		= 0x18,

	nvme_admin_format_nvm		= 0x80,

	nvme_admin_security_send	= 0x81,

	nvme_admin_security_recv	= 0x82,
@@ -580,6 +583,7 @@ enum { 
	NVME_FEAT_WRITE_ATOMIC	= 0x0a,

	NVME_FEAT_ASYNC_EVENT	= 0x0b,

	NVME_FEAT_AUTO_PST	= 0x0c,

	NVME_FEAT_KATO		= 0x0f,

	NVME_FEAT_SW_PROGRESS	= 0x80,

	NVME_FEAT_HOST_ID	= 0x81,

	NVME_FEAT_RESV_MASK	= 0x82,