2 * Copyright (c) 2017, Mellanox Technologies inc. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
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21 * provided with the distribution.
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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef _UVERBS_STD_TYPES__
34 #define _UVERBS_STD_TYPES__
36 #include <rdma/uverbs_types.h>
37 #include <rdma/uverbs_ioctl.h>
38 #include <rdma/ib_user_ioctl_verbs.h>
40 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
41 const struct uverbs_object_tree_def *uverbs_default_get_objects(void);
43 static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void)
49 /* Returns _id, or causes a compile error if _id is not a u32.
51 * The uobj APIs should only be used with the write based uAPI to access
52 * object IDs. The write API must use a u32 for the object handle, which is
53 * checked by this macro.
55 #define _uobj_check_id(_id) ((_id) * typecheck(u32, _id))
57 #define uobj_get_type(_object) UVERBS_OBJECT(_object).type_attrs
59 #define uobj_get_read(_type, _id, _ufile) \
60 rdma_lookup_get_uobject(uobj_get_type(_type), _ufile, \
61 _uobj_check_id(_id), false)
63 #define ufd_get_read(_type, _fdnum, _ufile) \
64 rdma_lookup_get_uobject(uobj_get_type(_type), _ufile, \
65 (_fdnum)*typecheck(s32, _fdnum), false)
67 static inline void *_uobj_get_obj_read(struct ib_uobject *uobj)
73 #define uobj_get_obj_read(_object, _type, _id, _ufile) \
74 ((struct ib_##_object *)_uobj_get_obj_read( \
75 uobj_get_read(_type, _id, _ufile)))
77 #define uobj_get_write(_type, _id, _ufile) \
78 rdma_lookup_get_uobject(uobj_get_type(_type), _ufile, \
79 _uobj_check_id(_id), true)
81 int __uobj_perform_destroy(const struct uverbs_obj_type *type, u32 id,
82 struct ib_uverbs_file *ufile, int success_res);
83 #define uobj_perform_destroy(_type, _id, _ufile, _success_res) \
84 __uobj_perform_destroy(uobj_get_type(_type), _uobj_check_id(_id), \
87 struct ib_uobject *__uobj_get_destroy(const struct uverbs_obj_type *type,
88 u32 id, struct ib_uverbs_file *ufile);
90 #define uobj_get_destroy(_type, _id, _ufile) \
91 __uobj_get_destroy(uobj_get_type(_type), _uobj_check_id(_id), _ufile)
93 static inline void uobj_put_destroy(struct ib_uobject *uobj)
95 rdma_lookup_put_uobject(uobj, true);
98 static inline void uobj_put_read(struct ib_uobject *uobj)
100 rdma_lookup_put_uobject(uobj, false);
103 #define uobj_put_obj_read(_obj) \
104 uobj_put_read((_obj)->uobject)
106 static inline void uobj_put_write(struct ib_uobject *uobj)
108 rdma_lookup_put_uobject(uobj, true);
111 static inline int __must_check uobj_alloc_commit(struct ib_uobject *uobj,
114 int ret = rdma_alloc_commit_uobject(uobj);
121 static inline void uobj_alloc_abort(struct ib_uobject *uobj)
123 rdma_alloc_abort_uobject(uobj);
126 static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type,
127 struct ib_uverbs_file *ufile)
129 return rdma_alloc_begin_uobject(type, ufile);
132 #define uobj_alloc(_type, _ufile) __uobj_alloc(uobj_get_type(_type), _ufile)