Messages in this thread Patch in this message | | | From | Akinobu Mita <> | Subject | [PATCH v2 4/7] nvme.h: add telemetry log page definisions | Date | Wed, 8 May 2019 01:58:31 +0900 |
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Copy telemetry log page definisions from nvme-cli.
Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Keith Busch <keith.busch@intel.com> Cc: Jens Axboe <axboe@fb.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> --- * 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
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