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

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

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Sagi Grimberg 2016-06-13 16:45:27 +02:00 committed by Jens Axboe
parent 07bfcd09a2
commit 7b89eae29e
1 changed files with 5 additions and 1 deletions
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6
include/linux/nvme.h
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@ -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,