From mboxrd@z Thu Jan 1 00:00:00 1970 From: akinobu.mita@gmail.com (Akinobu Mita) Date: Wed, 8 May 2019 01:58:31 +0900 Subject: [PATCH v2 4/7] nvme.h: add telemetry log page definisions In-Reply-To: <1557248314-4238-1-git-send-email-akinobu.mita@gmail.com> References: <1557248314-4238-1-git-send-email-akinobu.mita@gmail.com> Message-ID: <1557248314-4238-5-git-send-email-akinobu.mita@gmail.com> Copy telemetry log page definisions from nvme-cli. Cc: Johannes Berg Cc: Keith Busch Cc: Jens Axboe Cc: Christoph Hellwig Cc: Sagi Grimberg Cc: Minwoo Im Signed-off-by: Akinobu Mita --- * v2 - New patch in this version. include/linux/nvme.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/include/linux/nvme.h b/include/linux/nvme.h index c40720c..5217fe4 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -396,6 +396,28 @@ enum { NVME_NIDT_UUID = 0x03, }; +/* Derived from 1.3a Figure 101: Get Log Page ? Telemetry Host + * -Initiated Log (Log Identifier 07h) + */ +struct nvme_telemetry_log_page_hdr { + __u8 lpi; /* Log page identifier */ + __u8 rsvd[4]; + __u8 iee_oui[3]; + __le16 dalb1; /* Data area 1 last block */ + __le16 dalb2; /* Data area 2 last block */ + __le16 dalb3; /* Data area 3 last block */ + __u8 rsvd1[368]; /* TODO verify */ + __u8 ctrlavail; /* Controller initiated data avail?*/ + __u8 ctrldgn; /* Controller initiated telemetry Data Gen # */ + __u8 rsnident[128]; + /* We'll have to double fetch so we can get the header, + * parse dalb1->3 determine how much size we need for the + * log then alloc below. Or just do a secondary non-struct + * allocation. + */ + __u8 telemetry_dataarea[0]; +}; + struct nvme_smart_log { __u8 critical_warning; __u8 temperature[2]; @@ -832,6 +854,7 @@ enum { NVME_LOG_FW_SLOT = 0x03, NVME_LOG_CHANGED_NS = 0x04, NVME_LOG_CMD_EFFECTS = 0x05, + NVME_LOG_TELEMETRY_CTRL = 0x08, NVME_LOG_ANA = 0x0c, NVME_LOG_DISC = 0x70, NVME_LOG_RESERVATION = 0x80, -- 2.7.4