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-rw-r--r--drivers/nvme/target/admin-cmd.c19
-rw-r--r--drivers/nvme/target/core.c17
-rw-r--r--drivers/nvme/target/discovery.c2
-rw-r--r--drivers/nvme/target/fabrics-cmd.c4
-rw-r--r--drivers/nvme/target/io-cmd.c22
-rw-r--r--drivers/nvme/target/nvmet.h11
6 files changed, 41 insertions, 34 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 42b8bba97e7d..105ace88d07e 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -480,22 +480,16 @@ static void nvmet_execute_keep_alive(struct nvmet_req *req)
nvmet_req_complete(req, 0);
}
-int nvmet_parse_admin_cmd(struct nvmet_req *req)
+u16 nvmet_parse_admin_cmd(struct nvmet_req *req)
{
struct nvme_command *cmd = req->cmd;
+ u16 ret;
req->ns = NULL;
- if (unlikely(!(req->sq->ctrl->cc & NVME_CC_ENABLE))) {
- pr_err("got admin cmd %d while CC.EN == 0\n",
- cmd->common.opcode);
- return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
- }
- if (unlikely(!(req->sq->ctrl->csts & NVME_CSTS_RDY))) {
- pr_err("got admin cmd %d while CSTS.RDY == 0\n",
- cmd->common.opcode);
- return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
- }
+ ret = nvmet_check_ctrl_status(req, cmd);
+ if (unlikely(ret))
+ return ret;
switch (cmd->common.opcode) {
case nvme_admin_get_log_page:
@@ -545,6 +539,7 @@ int nvmet_parse_admin_cmd(struct nvmet_req *req)
return 0;
}
- pr_err("unhandled cmd %d\n", cmd->common.opcode);
+ pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode,
+ req->sq->qid);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
}
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)
{
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 745f26f35244..1aaf597e81fc 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -159,7 +159,7 @@ out:
nvmet_req_complete(req, status);
}
-int nvmet_parse_discovery_cmd(struct nvmet_req *req)
+u16 nvmet_parse_discovery_cmd(struct nvmet_req *req)
{
struct nvme_command *cmd = req->cmd;
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index 8bd022af3df6..2a3c15b57f6e 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -73,7 +73,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
nvmet_req_complete(req, status);
}
-int nvmet_parse_fabrics_cmd(struct nvmet_req *req)
+u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req)
{
struct nvme_command *cmd = req->cmd;
@@ -214,7 +214,7 @@ out_ctrl_put:
goto out;
}
-int nvmet_parse_connect_cmd(struct nvmet_req *req)
+u16 nvmet_parse_connect_cmd(struct nvmet_req *req)
{
struct nvme_command *cmd = req->cmd;
diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c
index 190b68741a6a..27623f2bfe6b 100644
--- a/drivers/nvme/target/io-cmd.c
+++ b/drivers/nvme/target/io-cmd.c
@@ -196,26 +196,19 @@ static void nvmet_execute_write_zeroes(struct nvmet_req *req)
}
}
-int nvmet_parse_io_cmd(struct nvmet_req *req)
+u16 nvmet_parse_io_cmd(struct nvmet_req *req)
{
struct nvme_command *cmd = req->cmd;
+ u16 ret;
- if (unlikely(!(req->sq->ctrl->cc & NVME_CC_ENABLE))) {
- pr_err("got io cmd %d while CC.EN == 0\n",
- cmd->common.opcode);
+ ret = nvmet_check_ctrl_status(req, cmd);
+ if (unlikely(ret)) {
req->ns = NULL;
- 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\n",
- cmd->common.opcode);
- req->ns = NULL;
- return NVME_SC_CMD_SEQ_ERROR | NVME_SC_DNR;
+ return ret;
}
req->ns = nvmet_find_namespace(req->sq->ctrl, cmd->rw.nsid);
- if (!req->ns)
+ if (unlikely(!req->ns))
return NVME_SC_INVALID_NS | NVME_SC_DNR;
switch (cmd->common.opcode) {
@@ -237,7 +230,8 @@ int nvmet_parse_io_cmd(struct nvmet_req *req)
req->execute = nvmet_execute_write_zeroes;
return 0;
default:
- pr_err("unhandled cmd %d\n", cmd->common.opcode);
+ pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode,
+ req->sq->qid);
return NVME_SC_INVALID_OPCODE | NVME_SC_DNR;
}
}
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index f7ff15f17ca9..7cb77ba5993b 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -253,11 +253,11 @@ struct nvmet_async_event {
u8 log_page;
};
-int nvmet_parse_connect_cmd(struct nvmet_req *req);
-int nvmet_parse_io_cmd(struct nvmet_req *req);
-int nvmet_parse_admin_cmd(struct nvmet_req *req);
-int nvmet_parse_discovery_cmd(struct nvmet_req *req);
-int nvmet_parse_fabrics_cmd(struct nvmet_req *req);
+u16 nvmet_parse_connect_cmd(struct nvmet_req *req);
+u16 nvmet_parse_io_cmd(struct nvmet_req *req);
+u16 nvmet_parse_admin_cmd(struct nvmet_req *req);
+u16 nvmet_parse_discovery_cmd(struct nvmet_req *req);
+u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req);
bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
struct nvmet_sq *sq, struct nvmet_fabrics_ops *ops);
@@ -278,6 +278,7 @@ u16 nvmet_alloc_ctrl(const char *subsysnqn, const char *hostnqn,
u16 nvmet_ctrl_find_get(const char *subsysnqn, const char *hostnqn, u16 cntlid,
struct nvmet_req *req, struct nvmet_ctrl **ret);
void nvmet_ctrl_put(struct nvmet_ctrl *ctrl);
+u16 nvmet_check_ctrl_status(struct nvmet_req *req, struct nvme_command *cmd);
struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn,
enum nvme_subsys_type type);