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authorSagi Grimberg <sagi@grimberg.me>2016-06-13 16:45:27 +0200
committerJens Axboe <axboe@fb.com>2016-07-05 11:28:18 -0600
commit7b89eae29eec4dd9259acd82ed57bec8d9e430ca (patch)
tree2ef671b192b429665b71037fbc8a02f99af05353
parent07bfcd09a288551b4377836a11c6250e1fd01e6d (diff)
downloadop-kernel-dev-7b89eae29eec4dd9259acd82ed57bec8d9e430ca.zip
op-kernel-dev-7b89eae29eec4dd9259acd82ed57bec8d9e430ca.tar.gz
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: 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>
-rw-r--r--include/linux/nvme.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 7525030..d8b37ba 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -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,
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