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| author | Jay Sternberg <jay.e.sternberg@intel.com> | 2018-11-12 13:56:38 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-12-07 22:26:56 -0700 |
| commit | 6a8ec0ac5ede074232137e505d4b90e56c1e4511 (patch) | |
| tree | 3fcdd546c712803540a81cb638f9887aaf72a9d5 /drivers/nvme/target | |
| parent | f301c2b1368905340133ff8ef4485befdd0b7e2d (diff) | |
| download | blackbird-obmc-linux-6a8ec0ac5ede074232137e505d4b90e56c1e4511.tar.gz blackbird-obmc-linux-6a8ec0ac5ede074232137e505d4b90e56c1e4511.zip | |
nvmet: add support to Discovery controllers for commands
Add custom get/set features to commands allowed by Discovery controllers.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/target')
| -rw-r--r-- | drivers/nvme/target/discovery.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c index 6e0f91eb34ce..050e4d759b65 100644 --- a/drivers/nvme/target/discovery.c +++ b/drivers/nvme/target/discovery.c @@ -183,6 +183,47 @@ out: nvmet_req_complete(req, status); } +static void nvmet_execute_disc_set_features(struct nvmet_req *req) +{ + u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]); + u16 stat; + + switch (cdw10 & 0xff) { + case NVME_FEAT_KATO: + stat = nvmet_set_feat_kato(req); + break; + case NVME_FEAT_ASYNC_EVENT: + stat = nvmet_set_feat_async_event(req, + NVMET_DISC_AEN_CFG_OPTIONAL); + break; + default: + stat = NVME_SC_INVALID_FIELD | NVME_SC_DNR; + break; + } + + nvmet_req_complete(req, stat); +} + +static void nvmet_execute_disc_get_features(struct nvmet_req *req) +{ + u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]); + u16 stat = 0; + + switch (cdw10 & 0xff) { + case NVME_FEAT_KATO: + nvmet_get_feat_kato(req); + break; + case NVME_FEAT_ASYNC_EVENT: + nvmet_get_feat_async_event(req); + break; + default: + stat = NVME_SC_INVALID_FIELD | NVME_SC_DNR; + break; + } + + nvmet_req_complete(req, stat); +} + u16 nvmet_parse_discovery_cmd(struct nvmet_req *req) { struct nvme_command *cmd = req->cmd; @@ -194,6 +235,18 @@ u16 nvmet_parse_discovery_cmd(struct nvmet_req *req) } switch (cmd->common.opcode) { + case nvme_admin_set_features: + req->execute = nvmet_execute_disc_set_features; + req->data_len = 0; + return 0; + case nvme_admin_get_features: + req->execute = nvmet_execute_disc_get_features; + req->data_len = 0; + return 0; + case nvme_admin_async_event: + req->execute = nvmet_execute_async_event; + req->data_len = 0; + return 0; case nvme_admin_keep_alive: req->execute = nvmet_execute_keep_alive; req->data_len = 0; |
