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24#include <core/object.h>
25#include <core/client.h>
26#include <core/engine.h>
27
28int
29nvkm_object_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
30{
31 if (likely(object->func->mthd))
32 return object->func->mthd(object, mthd, data, size);
33 return -ENODEV;
34}
35
36int
37nvkm_object_ntfy(struct nvkm_object *object, u32 mthd,
38 struct nvkm_event **pevent)
39{
40 if (likely(object->func->ntfy))
41 return object->func->ntfy(object, mthd, pevent);
42 return -ENODEV;
43}
44
45int
46nvkm_object_map(struct nvkm_object *object, u64 *addr, u32 *size)
47{
48 if (likely(object->func->map))
49 return object->func->map(object, addr, size);
50 return -ENODEV;
51}
52
53int
54nvkm_object_rd08(struct nvkm_object *object, u64 addr, u8 *data)
55{
56 if (likely(object->func->rd08))
57 return object->func->rd08(object, addr, data);
58 return -ENODEV;
59}
60
61int
62nvkm_object_rd16(struct nvkm_object *object, u64 addr, u16 *data)
63{
64 if (likely(object->func->rd16))
65 return object->func->rd16(object, addr, data);
66 return -ENODEV;
67}
68
69int
70nvkm_object_rd32(struct nvkm_object *object, u64 addr, u32 *data)
71{
72 if (likely(object->func->rd32))
73 return object->func->rd32(object, addr, data);
74 return -ENODEV;
75}
76
77int
78nvkm_object_wr08(struct nvkm_object *object, u64 addr, u8 data)
79{
80 if (likely(object->func->wr08))
81 return object->func->wr08(object, addr, data);
82 return -ENODEV;
83}
84
85int
86nvkm_object_wr16(struct nvkm_object *object, u64 addr, u16 data)
87{
88 if (likely(object->func->wr16))
89 return object->func->wr16(object, addr, data);
90 return -ENODEV;
91}
92
93int
94nvkm_object_wr32(struct nvkm_object *object, u64 addr, u32 data)
95{
96 if (likely(object->func->wr32))
97 return object->func->wr32(object, addr, data);
98 return -ENODEV;
99}
100
101int
102nvkm_object_bind(struct nvkm_object *object, struct nvkm_gpuobj *gpuobj,
103 int align, struct nvkm_gpuobj **pgpuobj)
104{
105 if (object->func->bind)
106 return object->func->bind(object, gpuobj, align, pgpuobj);
107 return -ENODEV;
108}
109
110int
111nvkm_object_fini(struct nvkm_object *object, bool suspend)
112{
113 const char *action = suspend ? "suspend" : "fini";
114 struct nvkm_object *child;
115 s64 time;
116 int ret;
117
118 nvif_debug(object, "%s children...\n", action);
119 time = ktime_to_us(ktime_get());
120 list_for_each_entry(child, &object->tree, head) {
121 ret = nvkm_object_fini(child, suspend);
122 if (ret && suspend)
123 goto fail_child;
124 }
125
126 nvif_debug(object, "%s running...\n", action);
127 if (object->func->fini) {
128 ret = object->func->fini(object, suspend);
129 if (ret) {
130 nvif_error(object, "%s failed with %d\n", action, ret);
131 if (suspend)
132 goto fail;
133 }
134 }
135
136 time = ktime_to_us(ktime_get()) - time;
137 nvif_debug(object, "%s completed in %lldus\n", action, time);
138 return 0;
139
140fail:
141 if (object->func->init) {
142 int rret = object->func->init(object);
143 if (rret)
144 nvif_fatal(object, "failed to restart, %d\n", rret);
145 }
146fail_child:
147 list_for_each_entry_continue_reverse(child, &object->tree, head) {
148 nvkm_object_init(child);
149 }
150 return ret;
151}
152
153int
154nvkm_object_init(struct nvkm_object *object)
155{
156 struct nvkm_object *child;
157 s64 time;
158 int ret;
159
160 nvif_debug(object, "init running...\n");
161 time = ktime_to_us(ktime_get());
162 if (object->func->init) {
163 ret = object->func->init(object);
164 if (ret)
165 goto fail;
166 }
167
168 nvif_debug(object, "init children...\n");
169 list_for_each_entry(child, &object->tree, head) {
170 ret = nvkm_object_init(child);
171 if (ret)
172 goto fail_child;
173 }
174
175 time = ktime_to_us(ktime_get()) - time;
176 nvif_debug(object, "init completed in %lldus\n", time);
177 return 0;
178
179fail_child:
180 list_for_each_entry_continue_reverse(child, &object->tree, head)
181 nvkm_object_fini(child, false);
182fail:
183 nvif_error(object, "init failed with %d\n", ret);
184 if (object->func->fini)
185 object->func->fini(object, false);
186 return ret;
187}
188
189void *
190nvkm_object_dtor(struct nvkm_object *object)
191{
192 struct nvkm_object *child, *ctemp;
193 void *data = object;
194 s64 time;
195
196 nvif_debug(object, "destroy children...\n");
197 time = ktime_to_us(ktime_get());
198 list_for_each_entry_safe(child, ctemp, &object->tree, head) {
199 nvkm_object_del(&child);
200 }
201
202 nvif_debug(object, "destroy running...\n");
203 if (object->func->dtor)
204 data = object->func->dtor(object);
205 nvkm_engine_unref(&object->engine);
206 time = ktime_to_us(ktime_get()) - time;
207 nvif_debug(object, "destroy completed in %lldus...\n", time);
208 return data;
209}
210
211void
212nvkm_object_del(struct nvkm_object **pobject)
213{
214 struct nvkm_object *object = *pobject;
215 if (object && !WARN_ON(!object->func)) {
216 *pobject = nvkm_object_dtor(object);
217 nvkm_client_remove(object->client, object);
218 list_del(&object->head);
219 kfree(*pobject);
220 *pobject = NULL;
221 }
222}
223
224void
225nvkm_object_ctor(const struct nvkm_object_func *func,
226 const struct nvkm_oclass *oclass, struct nvkm_object *object)
227{
228 object->func = func;
229 object->client = oclass->client;
230 object->engine = nvkm_engine_ref(oclass->engine);
231 object->oclass = oclass->base.oclass;
232 object->handle = oclass->handle;
233 INIT_LIST_HEAD(&object->head);
234 INIT_LIST_HEAD(&object->tree);
235 RB_CLEAR_NODE(&object->node);
236 WARN_ON(oclass->engine && !object->engine);
237}
238
239int
240nvkm_object_new_(const struct nvkm_object_func *func,
241 const struct nvkm_oclass *oclass, void *data, u32 size,
242 struct nvkm_object **pobject)
243{
244 if (size == 0) {
245 if (!(*pobject = kzalloc(sizeof(**pobject), GFP_KERNEL)))
246 return -ENOMEM;
247 nvkm_object_ctor(func, oclass, *pobject);
248 return 0;
249 }
250 return -ENOSYS;
251}
252
253static const struct nvkm_object_func
254nvkm_object_func = {
255};
256
257int
258nvkm_object_new(const struct nvkm_oclass *oclass, void *data, u32 size,
259 struct nvkm_object **pobject)
260{
261 const struct nvkm_object_func *func =
262 oclass->base.func ? oclass->base.func : &nvkm_object_func;
263 return nvkm_object_new_(func, oclass, data, size, pobject);
264}
265