1 /* 2 * Copyright (c) 2017, 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 #ifndef _UVERBS_STD_TYPES__ 34 #define _UVERBS_STD_TYPES__ 35 36 #include <rdma/uverbs_types.h> 37 #include <rdma/uverbs_ioctl.h> 38 #include <rdma/ib_user_ioctl_verbs.h> 39 40 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) 41 extern const struct uverbs_object_def uverbs_object_comp_channel; 42 extern const struct uverbs_object_def uverbs_object_cq; 43 extern const struct uverbs_object_def uverbs_object_qp; 44 extern const struct uverbs_object_def uverbs_object_rwq_ind_table; 45 extern const struct uverbs_object_def uverbs_object_wq; 46 extern const struct uverbs_object_def uverbs_object_srq; 47 extern const struct uverbs_object_def uverbs_object_ah; 48 extern const struct uverbs_object_def uverbs_object_flow; 49 extern const struct uverbs_object_def uverbs_object_mr; 50 extern const struct uverbs_object_def uverbs_object_mw; 51 extern const struct uverbs_object_def uverbs_object_pd; 52 extern const struct uverbs_object_def uverbs_object_xrcd; 53 extern const struct uverbs_object_def uverbs_object_device; 54 55 extern const struct uverbs_object_tree_def uverbs_default_objects; 56 static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) 57 { 58 return &uverbs_default_objects; 59 } 60 #else 61 static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) 62 { 63 return NULL; 64 } 65 #endif 66 67 static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, 68 bool write, 69 struct ib_ucontext *ucontext, 70 int id) 71 { 72 return rdma_lookup_get_uobject(type, ucontext, id, write); 73 } 74 75 #define uobj_get_type(_object) uverbs_object_##_object.type_attrs 76 77 #define uobj_get_read(_type, _id, _ucontext) \ 78 __uobj_get(_type, false, _ucontext, _id) 79 80 #define uobj_get_obj_read(_object, _id, _ucontext) \ 81 ({ \ 82 struct ib_uobject *__uobj = \ 83 __uobj_get(uverbs_object_##_object.type_attrs, \ 84 false, _ucontext, _id); \ 85 \ 86 (struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\ 87 }) 88 89 #define uobj_get_write(_type, _id, _ucontext) \ 90 __uobj_get(_type, true, _ucontext, _id) 91 92 static inline void uobj_put_read(struct ib_uobject *uobj) 93 { 94 rdma_lookup_put_uobject(uobj, false); 95 } 96 97 #define uobj_put_obj_read(_obj) \ 98 uobj_put_read((_obj)->uobject) 99 100 static inline void uobj_put_write(struct ib_uobject *uobj) 101 { 102 rdma_lookup_put_uobject(uobj, true); 103 } 104 105 static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj) 106 { 107 return rdma_remove_commit_uobject(uobj); 108 } 109 110 static inline void uobj_alloc_commit(struct ib_uobject *uobj) 111 { 112 rdma_alloc_commit_uobject(uobj); 113 } 114 115 static inline void uobj_alloc_abort(struct ib_uobject *uobj) 116 { 117 rdma_alloc_abort_uobject(uobj); 118 } 119 120 static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type, 121 struct ib_ucontext *ucontext) 122 { 123 return rdma_alloc_begin_uobject(type, ucontext); 124 } 125 126 #define uobj_alloc(_type, ucontext) \ 127 __uobj_alloc(_type, ucontext) 128 129 #endif 130 131