From 7b89eae29eec4dd9259acd82ed57bec8d9e430ca Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Mon, 13 Jun 2016 16:45:27 +0200 Subject: [PATCH] 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 Signed-off-by: Christoph Hellwig Reviewed-by: Keith Busch Signed-off-by: Jens Axboe --- include/linux/nvme.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 75250303bcb3..d8b37bab2887 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, -- 2.20.1