mi: add nvme_abort() function

This is support for the abort command.

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

Author: ikegami-t

src/libnvme-mi.map

@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 LIBNVME_MI_UNRELEASED {
+	global:
+		nvme_mi_admin_abort;
 };
 
 LIBNVME_MI_1_14 {

src/nvme/mi.c

@@ -2668,4 +2668,29 @@ int nvme_mi_aem_process(nvme_mi_ep_t ep, void *userdata)
 	return rc;
 }
 
+int nvme_mi_admin_abort(nvme_mi_ctrl_t ctrl, struct nvme_abort_args *args)
+{
+	struct nvme_mi_admin_resp_hdr resp_hdr;
+	struct nvme_mi_admin_req_hdr req_hdr;
+	struct nvme_mi_resp resp;
+	struct nvme_mi_req req;
+	int rc;
+
+	if (args->args_size < sizeof(*args)) {
+		errno = EINVAL;
+		return -1;
+	}
 
+	nvme_mi_admin_init_req(ctrl->ep, &req, &req_hdr, ctrl->id, nvme_admin_abort_cmd);
+
+	req_hdr.cdw10 = NVME_SET(args->sqid, ABORT_CDW10_SQID) |
+			NVME_SET(args->cid, ABORT_CDW10_CID),
+
+	nvme_mi_admin_init_resp(&resp, &resp_hdr);
+
+	rc = nvme_mi_submit(ctrl->ep, &req, &resp);
+	if (rc)
+		return rc;
+
+	return nvme_mi_admin_parse_status(&resp, NULL);
+}

src/nvme/mi.h

@@ -3559,4 +3559,12 @@ int nvme_mi_aem_disable(nvme_mi_ep_t ep);
  */
 int nvme_mi_aem_process(nvme_mi_ep_t ep, void *userdata);
 
+/**
+ * nvme_mi_admin_abort() - Submit an abort command
+ * @ctrl: Controller to send abort command to
+ * @args: &struct nvme_abort_args argument structure
+ *
+ * Return: 0 on success, non-zero on failure
+ */
+int nvme_mi_admin_abort(nvme_mi_ctrl_t ctrl, struct nvme_abort_args *args);
 #endif /* _LIBNVME_MI_MI_H */