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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> | |
52427112 | 37 | #include <rdma/uverbs_ioctl.h> |
64b19e13 | 38 | #include <rdma/ib_user_ioctl_verbs.h> |
09e3ebf8 | 39 | |
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40 | #define UVERBS_OBJECT(id) uverbs_object_##id |
41 | ||
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42 | #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) |
43 | const struct uverbs_object_tree_def *uverbs_default_get_objects(void); | |
52427112 MB |
44 | #else |
45 | static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) | |
46 | { | |
47 | return NULL; | |
48 | } | |
49 | #endif | |
50 | ||
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51 | static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, |
52 | bool write, | |
53 | struct ib_ucontext *ucontext, | |
54 | int id) | |
55 | { | |
56 | return rdma_lookup_get_uobject(type, ucontext, id, write); | |
57 | } | |
58 | ||
1f7ff9d5 | 59 | #define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs |
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60 | |
61 | #define uobj_get_read(_type, _id, _ucontext) \ | |
1f7ff9d5 | 62 | __uobj_get(uobj_get_type(_type), false, _ucontext, _id) |
fd3c7904 | 63 | |
1f7ff9d5 | 64 | #define uobj_get_obj_read(_object, _type, _id, _ucontext) \ |
fd3c7904 | 65 | ({ \ |
5009010f | 66 | struct ib_uobject *__uobj = \ |
1f7ff9d5 | 67 | __uobj_get(uobj_get_type(_type), \ |
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68 | false, _ucontext, _id); \ |
69 | \ | |
5009010f | 70 | (struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\ |
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71 | }) |
72 | ||
73 | #define uobj_get_write(_type, _id, _ucontext) \ | |
1f7ff9d5 | 74 | __uobj_get(uobj_get_type(_type), true, _ucontext, _id) |
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75 | |
76 | static inline void uobj_put_read(struct ib_uobject *uobj) | |
77 | { | |
78 | rdma_lookup_put_uobject(uobj, false); | |
79 | } | |
80 | ||
81 | #define uobj_put_obj_read(_obj) \ | |
82 | uobj_put_read((_obj)->uobject) | |
83 | ||
84 | static inline void uobj_put_write(struct ib_uobject *uobj) | |
85 | { | |
86 | rdma_lookup_put_uobject(uobj, true); | |
87 | } | |
88 | ||
89 | static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj) | |
90 | { | |
91 | return rdma_remove_commit_uobject(uobj); | |
92 | } | |
93 | ||
94 | static inline void uobj_alloc_commit(struct ib_uobject *uobj) | |
95 | { | |
96 | rdma_alloc_commit_uobject(uobj); | |
97 | } | |
98 | ||
99 | static inline void uobj_alloc_abort(struct ib_uobject *uobj) | |
100 | { | |
101 | rdma_alloc_abort_uobject(uobj); | |
102 | } | |
103 | ||
104 | static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type, | |
105 | struct ib_ucontext *ucontext) | |
106 | { | |
107 | return rdma_alloc_begin_uobject(type, ucontext); | |
108 | } | |
109 | ||
110 | #define uobj_alloc(_type, ucontext) \ | |
1f7ff9d5 | 111 | __uobj_alloc(uobj_get_type(_type), ucontext) |
fd3c7904 | 112 | |
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113 | #endif |
114 |