2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include <core/object.h>
25 #include <core/client.h>
26 #include <core/engine.h>
29 nvkm_object_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
31 if (likely(object->func->mthd))
32 return object->func->mthd(object, mthd, data, size);
37 nvkm_object_ntfy(struct nvkm_object *object, u32 mthd,
38 struct nvkm_event **pevent)
40 if (likely(object->func->ntfy))
41 return object->func->ntfy(object, mthd, pevent);
46 nvkm_object_map(struct nvkm_object *object, u64 *addr, u32 *size)
48 if (likely(object->func->map))
49 return object->func->map(object, addr, size);
54 nvkm_object_rd08(struct nvkm_object *object, u64 addr, u8 *data)
56 if (likely(object->func->rd08))
57 return object->func->rd08(object, addr, data);
62 nvkm_object_rd16(struct nvkm_object *object, u64 addr, u16 *data)
64 if (likely(object->func->rd16))
65 return object->func->rd16(object, addr, data);
70 nvkm_object_rd32(struct nvkm_object *object, u64 addr, u32 *data)
72 if (likely(object->func->rd32))
73 return object->func->rd32(object, addr, data);
78 nvkm_object_wr08(struct nvkm_object *object, u64 addr, u8 data)
80 if (likely(object->func->wr08))
81 return object->func->wr08(object, addr, data);
86 nvkm_object_wr16(struct nvkm_object *object, u64 addr, u16 data)
88 if (likely(object->func->wr16))
89 return object->func->wr16(object, addr, data);
94 nvkm_object_wr32(struct nvkm_object *object, u64 addr, u32 data)
96 if (likely(object->func->wr32))
97 return object->func->wr32(object, addr, data);
102 nvkm_object_bind(struct nvkm_object *object, struct nvkm_gpuobj *gpuobj,
103 int align, struct nvkm_gpuobj **pgpuobj)
105 if (object->func->bind)
106 return object->func->bind(object, gpuobj, align, pgpuobj);
111 nvkm_object_fini(struct nvkm_object *object, bool suspend)
113 const char *action = suspend ? "suspend" : "fini";
114 struct nvkm_object *child;
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);
126 nvif_debug(object, "%s running...\n", action);
127 if (object->func->fini) {
128 ret = object->func->fini(object, suspend);
130 nvif_error(object, "%s failed with %d\n", action, ret);
136 time = ktime_to_us(ktime_get()) - time;
137 nvif_debug(object, "%s completed in %lldus\n", action, time);
141 if (object->func->init) {
142 int rret = object->func->init(object);
144 nvif_fatal(object, "failed to restart, %d\n", rret);
147 list_for_each_entry_continue_reverse(child, &object->tree, head) {
148 nvkm_object_init(child);
154 nvkm_object_init(struct nvkm_object *object)
156 struct nvkm_object *child;
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);
168 nvif_debug(object, "init children...\n");
169 list_for_each_entry(child, &object->tree, head) {
170 ret = nvkm_object_init(child);
175 time = ktime_to_us(ktime_get()) - time;
176 nvif_debug(object, "init completed in %lldus\n", time);
180 list_for_each_entry_continue_reverse(child, &object->tree, head)
181 nvkm_object_fini(child, false);
183 nvif_error(object, "init failed with %d\n", ret);
184 if (object->func->fini)
185 object->func->fini(object, false);
190 nvkm_object_dtor(struct nvkm_object *object)
192 struct nvkm_object *child, *ctemp;
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);
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);
212 nvkm_object_del(struct nvkm_object **pobject)
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);
225 nvkm_object_ctor(const struct nvkm_object_func *func,
226 const struct nvkm_oclass *oclass, struct nvkm_object *object)
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);
240 nvkm_object_new_(const struct nvkm_object_func *func,
241 const struct nvkm_oclass *oclass, void *data, u32 size,
242 struct nvkm_object **pobject)
245 if (!(*pobject = kzalloc(sizeof(**pobject), GFP_KERNEL)))
247 nvkm_object_ctor(func, oclass, *pobject);
253 static const struct nvkm_object_func
258 nvkm_object_new(const struct nvkm_oclass *oclass, void *data, u32 size,
259 struct nvkm_object **pobject)
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);