+ case IOC_LIBCFS_ADD_UDSP: {
+ struct lnet_ioctl_udsp *ioc_udsp = arg;
+ __u32 bulk_size = ioc_udsp->iou_hdr.ioc_len;
+
+ mutex_lock(&the_lnet.ln_api_mutex);
+ rc = lnet_udsp_demarshal_add(arg, bulk_size);
+ if (!rc) {
+ rc = lnet_udsp_apply_policies(NULL, false);
+ CDEBUG(D_NET, "policy application returned %d\n", rc);
+ rc = 0;
+ }
+ mutex_unlock(&the_lnet.ln_api_mutex);
+
+ return rc;
+ }
+
+ case IOC_LIBCFS_DEL_UDSP: {
+ struct lnet_ioctl_udsp *ioc_udsp = arg;
+ int idx = ioc_udsp->iou_idx;
+
+ if (ioc_udsp->iou_hdr.ioc_len < sizeof(*ioc_udsp))
+ return -EINVAL;
+
+ mutex_lock(&the_lnet.ln_api_mutex);
+ rc = lnet_udsp_del_policy(idx);
+ if (!rc) {
+ rc = lnet_udsp_apply_policies(NULL, false);
+ CDEBUG(D_NET, "policy re-application returned %d\n",
+ rc);
+ rc = 0;
+ }
+ mutex_unlock(&the_lnet.ln_api_mutex);
+
+ return rc;
+ }
+
+ case IOC_LIBCFS_GET_UDSP_SIZE: {
+ struct lnet_ioctl_udsp *ioc_udsp = arg;
+ struct lnet_udsp *udsp;
+
+ if (ioc_udsp->iou_hdr.ioc_len < sizeof(*ioc_udsp))
+ return -EINVAL;
+
+ rc = 0;
+
+ mutex_lock(&the_lnet.ln_api_mutex);
+ udsp = lnet_udsp_get_policy(ioc_udsp->iou_idx);
+ if (!udsp) {
+ rc = -ENOENT;
+ } else {
+ /* coming in iou_idx will hold the idx of the udsp
+ * to get the size of. going out the iou_idx will
+ * hold the size of the UDSP found at the passed
+ * in index.
+ */
+ ioc_udsp->iou_idx = lnet_get_udsp_size(udsp);
+ if (ioc_udsp->iou_idx < 0)
+ rc = -EINVAL;
+ }
+ mutex_unlock(&the_lnet.ln_api_mutex);
+
+ return rc;
+ }
+
+ case IOC_LIBCFS_GET_UDSP: {
+ struct lnet_ioctl_udsp *ioc_udsp = arg;
+ struct lnet_udsp *udsp;
+
+ if (ioc_udsp->iou_hdr.ioc_len < sizeof(*ioc_udsp))
+ return -EINVAL;
+
+ rc = 0;
+
+ mutex_lock(&the_lnet.ln_api_mutex);
+ udsp = lnet_udsp_get_policy(ioc_udsp->iou_idx);
+ if (!udsp)
+ rc = -ENOENT;
+ else
+ rc = lnet_udsp_marshal(udsp, ioc_udsp);
+ mutex_unlock(&the_lnet.ln_api_mutex);
+
+ return rc;
+ }
+
+ case IOC_LIBCFS_GET_CONST_UDSP_INFO: {
+ struct lnet_ioctl_construct_udsp_info *info = arg;
+
+ if (info->cud_hdr.ioc_len < sizeof(*info))
+ return -EINVAL;
+
+ CDEBUG(D_NET, "GET_UDSP_INFO for %s\n",
+ libcfs_nid2str(info->cud_nid));
+
+ mutex_lock(&the_lnet.ln_api_mutex);
+ lnet_udsp_get_construct_info(info);
+ mutex_unlock(&the_lnet.ln_api_mutex);
+
+ return 0;
+ }
+