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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
41
42
43
44
45
46#define _uobj_check_id(_id) ((_id) * typecheck(u32, _id))
47
48#define uobj_get_type(_attrs, _object) \
49 uapi_get_object((_attrs)->ufile->device->uapi, _object)
50
51#define uobj_get_read(_type, _id, _attrs) \
52 rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
53 _uobj_check_id(_id), UVERBS_LOOKUP_READ)
54
55#define ufd_get_read(_type, _fdnum, _attrs) \
56 rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
57 (_fdnum)*typecheck(s32, _fdnum), \
58 UVERBS_LOOKUP_READ)
59
60static inline void *_uobj_get_obj_read(struct ib_uobject *uobj)
61{
62 if (IS_ERR(uobj))
63 return NULL;
64 return uobj->object;
65}
66#define uobj_get_obj_read(_object, _type, _id, _attrs) \
67 ((struct ib_##_object *)_uobj_get_obj_read( \
68 uobj_get_read(_type, _id, _attrs)))
69
70#define uobj_get_write(_type, _id, _attrs) \
71 rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
72 _uobj_check_id(_id), UVERBS_LOOKUP_WRITE)
73
74int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
75 const struct uverbs_attr_bundle *attrs);
76#define uobj_perform_destroy(_type, _id, _attrs) \
77 __uobj_perform_destroy(uobj_get_type(_attrs, _type), \
78 _uobj_check_id(_id), _attrs)
79
80struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
81 u32 id,
82 const struct uverbs_attr_bundle *attrs);
83
84#define uobj_get_destroy(_type, _id, _attrs) \
85 __uobj_get_destroy(uobj_get_type(_attrs, _type), _uobj_check_id(_id), \
86 _attrs)
87
88static inline void uobj_put_destroy(struct ib_uobject *uobj)
89{
90 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
91}
92
93static inline void uobj_put_read(struct ib_uobject *uobj)
94{
95 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_READ);
96}
97
98#define uobj_put_obj_read(_obj) \
99 uobj_put_read((_obj)->uobject)
100
101static inline void uobj_put_write(struct ib_uobject *uobj)
102{
103 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
104}
105
106static inline int __must_check uobj_alloc_commit(struct ib_uobject *uobj)
107{
108 int ret = rdma_alloc_commit_uobject(uobj);
109
110 if (ret)
111 return ret;
112 return 0;
113}
114
115static inline void uobj_alloc_abort(struct ib_uobject *uobj)
116{
117 rdma_alloc_abort_uobject(uobj);
118}
119
120static inline struct ib_uobject *
121__uobj_alloc(const struct uverbs_api_object *obj,
122 struct uverbs_attr_bundle *attrs, struct ib_device **ib_dev)
123{
124 struct ib_uobject *uobj = rdma_alloc_begin_uobject(obj, attrs->ufile);
125
126 if (!IS_ERR(uobj))
127 *ib_dev = uobj->context->device;
128 return uobj;
129}
130
131#define uobj_alloc(_type, _attrs, _ib_dev) \
132 __uobj_alloc(uobj_get_type(_attrs, _type), _attrs, _ib_dev)
133
134static inline void uverbs_flow_action_fill_action(struct ib_flow_action *action,
135 struct ib_uobject *uobj,
136 struct ib_device *ib_dev,
137 enum ib_flow_action_type type)
138{
139 atomic_set(&action->usecnt, 0);
140 action->device = ib_dev;
141 action->type = type;
142 action->uobject = uobj;
143 uobj->object = action;
144}
145
146struct ib_uflow_resources {
147 size_t max;
148 size_t num;
149 size_t collection_num;
150 size_t counters_num;
151 struct ib_counters **counters;
152 struct ib_flow_action **collection;
153};
154
155struct ib_uflow_object {
156 struct ib_uobject uobject;
157 struct ib_uflow_resources *resources;
158};
159
160struct ib_uflow_resources *flow_resources_alloc(size_t num_specs);
161void flow_resources_add(struct ib_uflow_resources *uflow_res,
162 enum ib_flow_spec_type type,
163 void *ibobj);
164void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res);
165
166static inline void ib_set_flow(struct ib_uobject *uobj, struct ib_flow *ibflow,
167 struct ib_qp *qp, struct ib_device *device,
168 struct ib_uflow_resources *uflow_res)
169{
170 struct ib_uflow_object *uflow;
171
172 uobj->object = ibflow;
173 ibflow->uobject = uobj;
174
175 if (qp) {
176 atomic_inc(&qp->usecnt);
177 ibflow->qp = qp;
178 }
179
180 ibflow->device = device;
181 uflow = container_of(uobj, typeof(*uflow), uobject);
182 uflow->resources = uflow_res;
183}
184
185struct uverbs_api_object {
186 const struct uverbs_obj_type *type_attrs;
187 const struct uverbs_obj_type_class *type_class;
188 u8 disabled:1;
189 u32 id;
190};
191
192static inline u32 uobj_get_object_id(struct ib_uobject *uobj)
193{
194 return uobj->uapi_object->id;
195}
196
197#endif
198
199