From 3e53ba38a9404434a8b57683825279f4305b5a76 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Fri, 2 Nov 2018 10:28:14 -0700 Subject: [PATCH] nvme: cache controller attributes We get the controller attributes in identify, cache them as we'll need them for traffic based keep alive support. Reviewed-by: Chaitanya Kulkarni Signed-off-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- 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 e57c673..9de6244 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 f1e4566..4be7bbc 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -194,6 +194,7 @@ struct nvme_ctrl { u8 apsta; u32 oaes; u32 aen_result; + u32 ctratt; unsigned int shutdown_timeout; unsigned int kato; bool subsystem; -- 2.7.4