diff options
Diffstat (limited to 'drivers/nvme/target/core.c')
| -rw-r--r-- | drivers/nvme/target/core.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 2536119a580d..cf90713043da 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -661,6 +661,23 @@ out: return status; } +u16 nvmet_check_ctrl_status(struct nvmet_req *req, struct nvme_command *cmd) +{ + if (unlikely(!(req->sq->ctrl->cc & NVME_CC_ENABLE))) { + pr_err("got io cmd %d while CC.EN == 0 on qid = %d\n", + cmd->common.opcode, req->sq->qid); + return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR; + } + + if (unlikely(!(req->sq->ctrl->csts & NVME_CSTS_RDY))) { + pr_err("got io cmd %d while CSTS.RDY == 0 on qid = %d\n", + cmd->common.opcode, req->sq->qid); + req->ns = NULL; + return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR; + } + return 0; +} + static bool __nvmet_host_allowed(struct nvmet_subsys *subsys, const char *hostnqn) { |