1 /* 2 * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include "rdma_core.h" 34 #include "uverbs.h" 35 #include <rdma/uverbs_std_types.h> 36 37 static int uverbs_free_flow_action(struct ib_uobject *uobject, 38 enum rdma_remove_reason why, 39 struct uverbs_attr_bundle *attrs) 40 { 41 struct ib_flow_action *action = uobject->object; 42 43 if (atomic_read(&action->usecnt)) 44 return -EBUSY; 45 46 return action->device->ops.destroy_flow_action(action); 47 } 48 49 DECLARE_UVERBS_NAMED_METHOD_DESTROY( 50 UVERBS_METHOD_FLOW_ACTION_DESTROY, 51 UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE, 52 UVERBS_OBJECT_FLOW_ACTION, 53 UVERBS_ACCESS_DESTROY, 54 UA_MANDATORY)); 55 56 DECLARE_UVERBS_NAMED_OBJECT( 57 UVERBS_OBJECT_FLOW_ACTION, 58 UVERBS_TYPE_ALLOC_IDR(uverbs_free_flow_action), 59 &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_DESTROY)); 60 61 const struct uapi_definition uverbs_def_obj_flow_action[] = { 62 UAPI_DEF_CHAIN_OBJ_TREE_NAMED( 63 UVERBS_OBJECT_FLOW_ACTION, 64 UAPI_DEF_OBJ_NEEDS_FN(destroy_flow_action)), 65 {} 66 }; 67