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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> | |
37 | ||
38 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_cq; | |
39 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_qp; | |
40 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_rwq_ind_table; | |
41 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_wq; | |
42 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_srq; | |
43 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_ah; | |
44 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_flow; | |
45 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_mr; | |
46 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_mw; | |
47 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_pd; | |
48 | extern const struct uverbs_obj_idr_type uverbs_type_attrs_xrcd; | |
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49 | |
50 | static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, | |
51 | bool write, | |
52 | struct ib_ucontext *ucontext, | |
53 | int id) | |
54 | { | |
55 | return rdma_lookup_get_uobject(type, ucontext, id, write); | |
56 | } | |
57 | ||
58 | #define uobj_get_type(_type) uverbs_type_attrs_##_type.type | |
59 | ||
60 | #define uobj_get_read(_type, _id, _ucontext) \ | |
61 | __uobj_get(&(_type), false, _ucontext, _id) | |
62 | ||
63 | #define uobj_get_obj_read(_type, _id, _ucontext) \ | |
64 | ({ \ | |
65 | struct ib_uobject *uobj = \ | |
66 | __uobj_get(&uobj_get_type(_type), \ | |
67 | false, _ucontext, _id); \ | |
68 | \ | |
69 | (struct ib_##_type *)(IS_ERR(uobj) ? NULL : uobj->object); \ | |
70 | }) | |
71 | ||
72 | #define uobj_get_write(_type, _id, _ucontext) \ | |
73 | __uobj_get(&(_type), true, _ucontext, _id) | |
74 | ||
75 | static inline void uobj_put_read(struct ib_uobject *uobj) | |
76 | { | |
77 | rdma_lookup_put_uobject(uobj, false); | |
78 | } | |
79 | ||
80 | #define uobj_put_obj_read(_obj) \ | |
81 | uobj_put_read((_obj)->uobject) | |
82 | ||
83 | static inline void uobj_put_write(struct ib_uobject *uobj) | |
84 | { | |
85 | rdma_lookup_put_uobject(uobj, true); | |
86 | } | |
87 | ||
88 | static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj) | |
89 | { | |
90 | return rdma_remove_commit_uobject(uobj); | |
91 | } | |
92 | ||
93 | static inline void uobj_alloc_commit(struct ib_uobject *uobj) | |
94 | { | |
95 | rdma_alloc_commit_uobject(uobj); | |
96 | } | |
97 | ||
98 | static inline void uobj_alloc_abort(struct ib_uobject *uobj) | |
99 | { | |
100 | rdma_alloc_abort_uobject(uobj); | |
101 | } | |
102 | ||
103 | static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type, | |
104 | struct ib_ucontext *ucontext) | |
105 | { | |
106 | return rdma_alloc_begin_uobject(type, ucontext); | |
107 | } | |
108 | ||
109 | #define uobj_alloc(_type, ucontext) \ | |
110 | __uobj_alloc(&(_type), ucontext) | |
111 | ||
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112 | #endif |
113 |