This provides a facility to check whether the controller supports the telemetry log pages and log page offset field for the Get Log Page command.
Cc: Johannes Berg <johan...@sipsolutions.net> Cc: Keith Busch <keith.bu...@intel.com> Cc: Jens Axboe <ax...@fb.com> Cc: Christoph Hellwig <h...@lst.de> Cc: Sagi Grimberg <s...@grimberg.me> Cc: Minwoo Im <minwoo.im....@gmail.com> Signed-off-by: Akinobu Mita <akinobu.m...@gmail.com> --- * v2 - New patch in this version. drivers/nvme/host/core.c | 1 + drivers/nvme/host/nvme.h | 1 + include/linux/nvme.h | 2 ++ 3 files changed, 4 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 6265d92..42f09d6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2580,6 +2580,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) } else ctrl->shutdown_timeout = shutdown_timeout; + ctrl->lpa = id->lpa; ctrl->npss = id->npss; ctrl->apsta = id->apsta; prev_apst_enabled = ctrl->apst_enabled; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 527d645..8711c71 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -195,6 +195,7 @@ struct nvme_ctrl { u32 vs; u32 sgls; u16 kas; + u8 lpa; u8 npss; u8 apsta; u32 oaes; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 5217fe4..c1c4ca5 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -294,6 +294,8 @@ enum { NVME_CTRL_OACS_DIRECTIVES = 1 << 5, NVME_CTRL_OACS_DBBUF_SUPP = 1 << 8, NVME_CTRL_LPA_CMD_EFFECTS_LOG = 1 << 1, + NVME_CTRL_LPA_EXTENDED_DATA = 1 << 2, + NVME_CTRL_LPA_TELEMETRY_LOG = 1 << 3, }; struct nvme_lbaf { -- 2.7.4