mi: add nvme_mi_submit entry and exit weak functions

These are for the user to implement their own logging.

Signed-off-by: Tokunori Ikegami <[email protected]>

Author: ikegami-t

src/nvme/mi.c

@@ -414,11 +414,18 @@ static int nvme_mi_verify_resp_mic(struct nvme_mi_resp *resp)
 	return resp->mic != ~crc;
 }
 
+__attribute__((weak)) void nvme_mi_submit_entry(const nvme_mi_ep_t ep,
+						const struct nvme_mi_msg_hdr *req) { }
+__attribute__((weak)) void nvme_mi_submit_exit(const nvme_mi_ep_t ep,
+					       const struct nvme_mi_msg_hdr *resp) { }
+
 int nvme_mi_submit(nvme_mi_ep_t ep, struct nvme_mi_req *req,
 		   struct nvme_mi_resp *resp)
 {
 	int rc;
 
+	nvme_mi_submit_entry(ep, req->hdr);
+
 	if (req->hdr_len < sizeof(struct nvme_mi_msg_hdr)) {
 		errno = EINVAL;
 		return -1;
@@ -502,6 +509,8 @@ int nvme_mi_submit(nvme_mi_ep_t ep, struct nvme_mi_req *req,
 		return -1;
 	}
 
+	nvme_mi_submit_exit(ep, resp->hdr);
+
 	return 0;
 }