From mboxrd@z Thu Jan 1 00:00:00 1970 From: sagi@grimberg.me (Sagi Grimberg) Date: Thu, 27 Sep 2018 18:15:36 -0700 Subject: [PATCH 3/4] nvme-core: cache controller attributes In-Reply-To: <20180928011537.30069-1-sagi@grimberg.me> References: <20180928011537.30069-1-sagi@grimberg.me> Message-ID: <20180928011537.30069-4-sagi@grimberg.me> We get the controller attributes in identify, cache them as we'll need them for traffic based keep alive support. Signed-off-by: Sagi Grimberg --- drivers/nvme/host/core.c | 1 + drivers/nvme/host/nvme.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index ef6748f4ff47..6bb6214c0634 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2409,6 +2409,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) ctrl->sgls = le32_to_cpu(id->sgls); ctrl->kas = le16_to_cpu(id->kas); ctrl->max_namespaces = le32_to_cpu(id->mnan); + ctrl->ctratt = le32_to_cpu(id->ctratt); if (id->rtd3e) { /* us -> s */ diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index bb4a2003c097..ee1c4fc0249c 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -193,6 +193,7 @@ struct nvme_ctrl { u8 apsta; u32 oaes; u32 aen_result; + u32 ctratt; unsigned int shutdown_timeout; unsigned int kato; bool subsystem; -- 2.17.1