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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 _attrs)
55
56#define ufd_get_read(_type, _fdnum, _attrs) \
57 rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
58 (_fdnum)*typecheck(s32, _fdnum), \
59 UVERBS_LOOKUP_READ, _attrs)
60
61static inline void *_uobj_get_obj_read(struct ib_uobject *uobj)
62{
63 if (IS_ERR(uobj))
64 return NULL;
65 return uobj->object;
66}
67#define uobj_get_obj_read(_object, _type, _id, _attrs) \
68 ((struct ib_##_object *)_uobj_get_obj_read( \
69 uobj_get_read(_type, _id, _attrs)))
70
71#define uobj_get_write(_type, _id, _attrs) \
72 rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
73 _uobj_check_id(_id), UVERBS_LOOKUP_WRITE, \
74 _attrs)
75
76int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
77 struct uverbs_attr_bundle *attrs);
78#define uobj_perform_destroy(_type, _id, _attrs) \
79 __uobj_perform_destroy(uobj_get_type(_attrs, _type), \
80 _uobj_check_id(_id), _attrs)
81
82struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
83 u32 id, struct uverbs_attr_bundle *attrs);
84
85#define uobj_get_destroy(_type, _id, _attrs) \
86 __uobj_get_destroy(uobj_get_type(_attrs, _type), _uobj_check_id(_id), \
87 _attrs)
88
89static inline void uobj_put_destroy(struct ib_uobject *uobj)
90{
91 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
92}
93
94static inline void uobj_put_read(struct ib_uobject *uobj)
95{
96 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_READ);
97}
98
99#define uobj_put_obj_read(_obj) \
100 uobj_put_read((_obj)->uobject)
101
102static inline void uobj_put_write(struct ib_uobject *uobj)
103{
104 rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
105}
106
107static inline int __must_check
108uobj_alloc_commit(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
109{
110 int ret = rdma_alloc_commit_uobject(uobj, attrs);
111
112 if (ret)
113 return ret;
114 return 0;
115}
116
117static inline void uobj_alloc_abort(struct ib_uobject *uobj,
118 struct uverbs_attr_bundle *attrs)
119{
120 rdma_alloc_abort_uobject(uobj, attrs);
121}
122
123static inline struct ib_uobject *
124__uobj_alloc(const struct uverbs_api_object *obj,
125 struct uverbs_attr_bundle *attrs, struct ib_device **ib_dev)
126{
127 struct ib_uobject *uobj =
128 rdma_alloc_begin_uobject(obj, attrs->ufile, attrs);
129
130 if (!IS_ERR(uobj))
131 *ib_dev = attrs->context->device;
132 return uobj;
133}
134
135#define uobj_alloc(_type, _attrs, _ib_dev) \
136 __uobj_alloc(uobj_get_type(_attrs, _type), _attrs, _ib_dev)
137
138static inline void uverbs_flow_action_fill_action(struct ib_flow_action *action,
139 struct ib_uobject *uobj,
140 struct ib_device *ib_dev,
141 enum ib_flow_action_type type)
142{
143 atomic_set(&action->usecnt, 0);
144 action->device = ib_dev;
145 action->type = type;
146 action->uobject = uobj;
147 uobj->object = action;
148}
149
150struct ib_uflow_resources {
151 size_t max;
152 size_t num;
153 size_t collection_num;
154 size_t counters_num;
155 struct ib_counters **counters;
156 struct ib_flow_action **collection;
157};
158
159struct ib_uflow_object {
160 struct ib_uobject uobject;
161 struct ib_uflow_resources *resources;
162};
163
164struct ib_uflow_resources *flow_resources_alloc(size_t num_specs);
165void flow_resources_add(struct ib_uflow_resources *uflow_res,
166 enum ib_flow_spec_type type,
167 void *ibobj);
168void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res);
169
170static inline void ib_set_flow(struct ib_uobject *uobj, struct ib_flow *ibflow,
171 struct ib_qp *qp, struct ib_device *device,
172 struct ib_uflow_resources *uflow_res)
173{
174 struct ib_uflow_object *uflow;
175
176 uobj->object = ibflow;
177 ibflow->uobject = uobj;
178
179 if (qp) {
180 atomic_inc(&qp->usecnt);
181 ibflow->qp = qp;
182 }
183
184 ibflow->device = device;
185 uflow = container_of(uobj, typeof(*uflow), uobject);
186 uflow->resources = uflow_res;
187}
188
189struct uverbs_api_object {
190 const struct uverbs_obj_type *type_attrs;
191 const struct uverbs_obj_type_class *type_class;
192 u8 disabled:1;
193 u32 id;
194};
195
196static inline u32 uobj_get_object_id(struct ib_uobject *uobj)
197{
198 return uobj->uapi_object->id;
199}
200
201#endif
202
203