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:
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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
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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
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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(_ufile, _object) \
58 uapi_get_object((_ufile)->device->uapi, _object)
60 #define uobj_get_read(_type, _id, _ufile) \
61 rdma_lookup_get_uobject(uobj_get_type(_ufile, _type), _ufile, \
62 _uobj_check_id(_id), UVERBS_LOOKUP_READ)
64 #define ufd_get_read(_type, _fdnum, _ufile) \
65 rdma_lookup_get_uobject(uobj_get_type(_ufile, _type), _ufile, \
66 (_fdnum)*typecheck(s32, _fdnum), \
69 static inline void *_uobj_get_obj_read(struct ib_uobject *uobj)
75 #define uobj_get_obj_read(_object, _type, _id, _ufile) \
76 ((struct ib_##_object *)_uobj_get_obj_read( \
77 uobj_get_read(_type, _id, _ufile)))
79 #define uobj_get_write(_type, _id, _ufile) \
80 rdma_lookup_get_uobject(uobj_get_type(_ufile, _type), _ufile, \
81 _uobj_check_id(_id), UVERBS_LOOKUP_WRITE)
83 int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
84 struct ib_uverbs_file *ufile, int success_res);
85 #define uobj_perform_destroy(_type, _id, _ufile, _success_res) \
86 __uobj_perform_destroy(uobj_get_type(_ufile, _type), \
87 _uobj_check_id(_id), _ufile, _success_res)
89 struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
90 u32 id, struct ib_uverbs_file *ufile);
92 #define uobj_get_destroy(_type, _id, _ufile) \
93 __uobj_get_destroy(uobj_get_type(_ufile, _type), _uobj_check_id(_id), \
96 static inline void uobj_put_destroy(struct ib_uobject *uobj)
98 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
101 static inline void uobj_put_read(struct ib_uobject *uobj)
103 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_READ);
106 #define uobj_put_obj_read(_obj) \
107 uobj_put_read((_obj)->uobject)
109 static inline void uobj_put_write(struct ib_uobject *uobj)
111 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
114 static inline int __must_check uobj_alloc_commit(struct ib_uobject *uobj,
117 int ret = rdma_alloc_commit_uobject(uobj);
124 static inline void uobj_alloc_abort(struct ib_uobject *uobj)
126 rdma_alloc_abort_uobject(uobj);
129 static inline struct ib_uobject *
130 __uobj_alloc(const struct uverbs_api_object *obj, struct ib_uverbs_file *ufile,
131 struct ib_device **ib_dev)
133 struct ib_uobject *uobj = rdma_alloc_begin_uobject(obj, ufile);
136 *ib_dev = uobj->context->device;
140 #define uobj_alloc(_type, _ufile, _ib_dev) \
141 __uobj_alloc(uobj_get_type(_ufile, _type), _ufile, _ib_dev)
143 static inline void uverbs_flow_action_fill_action(struct ib_flow_action *action,
144 struct ib_uobject *uobj,
145 struct ib_device *ib_dev,
146 enum ib_flow_action_type type)
148 atomic_set(&action->usecnt, 0);
149 action->device = ib_dev;
151 action->uobject = uobj;
152 uobj->object = action;
155 struct ib_uflow_resources {
158 size_t collection_num;
160 struct ib_counters **counters;
161 struct ib_flow_action **collection;
164 struct ib_uflow_object {
165 struct ib_uobject uobject;
166 struct ib_uflow_resources *resources;
169 struct ib_uflow_resources *flow_resources_alloc(size_t num_specs);
170 void flow_resources_add(struct ib_uflow_resources *uflow_res,
171 enum ib_flow_spec_type type,
173 void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res);
175 static inline void ib_set_flow(struct ib_uobject *uobj, struct ib_flow *ibflow,
176 struct ib_qp *qp, struct ib_device *device,
177 struct ib_uflow_resources *uflow_res)
179 struct ib_uflow_object *uflow;
181 uobj->object = ibflow;
182 ibflow->uobject = uobj;
185 atomic_inc(&qp->usecnt);
189 ibflow->device = device;
190 uflow = container_of(uobj, typeof(*uflow), uobject);
191 uflow->resources = uflow_res;