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| author |   Sagi Grimberg <sagi@grimberg.me> | 2018-11-02 10:28:14 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-12-07 22:26:55 -0700 |
| commit | 3e53ba38a9404434a8b57683825279f4305b5a76 (patch) | |
| tree | f34cc4de097835043618fe5e0b7249192be9259e /drivers/nvme | |
| parent | nvme: introduce ctrl attributes enumeration (diff) | |
| download | linux-dev-3e53ba38a9404434a8b57683825279f4305b5a76.tar.xz linux-dev-3e53ba38a9404434a8b57683825279f4305b5a76.zip | |
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 <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | drivers/nvme/host/core.c | 1 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index e57c673ae737..9de6244a345c 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 f1e4566e6ca8..4be7bbcfe66d 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; |