1 /* 2 * Copyright 2015 Red Hat Inc. 3 * 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: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 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. 21 * 22 * Authors: Ben Skeggs <bskeggs@redhat.com> 23 */ 24 #include <core/oproxy.h> 25 26 static int 27 nvkm_oproxy_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) 28 { 29 return nvkm_object_mthd(nvkm_oproxy(object)->object, mthd, data, size); 30 } 31 32 static int 33 nvkm_oproxy_ntfy(struct nvkm_object *object, u32 mthd, 34 struct nvkm_event **pevent) 35 { 36 return nvkm_object_ntfy(nvkm_oproxy(object)->object, mthd, pevent); 37 } 38 39 static int 40 nvkm_oproxy_map(struct nvkm_object *object, void *argv, u32 argc, 41 enum nvkm_object_map *type, u64 *addr, u64 *size) 42 { 43 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 44 return nvkm_object_map(oproxy->object, argv, argc, type, addr, size); 45 } 46 47 static int 48 nvkm_oproxy_unmap(struct nvkm_object *object) 49 { 50 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 51 52 if (unlikely(!oproxy->object)) 53 return 0; 54 55 return nvkm_object_unmap(oproxy->object); 56 } 57 58 static int 59 nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, 60 int align, struct nvkm_gpuobj **pgpuobj) 61 { 62 return nvkm_object_bind(nvkm_oproxy(object)->object, 63 parent, align, pgpuobj); 64 } 65 66 static int 67 nvkm_oproxy_sclass(struct nvkm_object *object, int index, 68 struct nvkm_oclass *oclass) 69 { 70 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 71 oclass->parent = oproxy->object; 72 if (!oproxy->object->func->sclass) 73 return -ENODEV; 74 return oproxy->object->func->sclass(oproxy->object, index, oclass); 75 } 76 77 static int 78 nvkm_oproxy_uevent(struct nvkm_object *object, void *argv, u32 argc, 79 struct nvkm_uevent *uevent) 80 { 81 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 82 83 if (!oproxy->object->func->uevent) 84 return -ENOSYS; 85 86 return oproxy->object->func->uevent(oproxy->object, argv, argc, uevent); 87 } 88 89 static int 90 nvkm_oproxy_fini(struct nvkm_object *object, bool suspend) 91 { 92 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 93 int ret; 94 95 if (oproxy->func->fini[0]) { 96 ret = oproxy->func->fini[0](oproxy, suspend); 97 if (ret && suspend) 98 return ret; 99 } 100 101 if (oproxy->object->func->fini) { 102 ret = oproxy->object->func->fini(oproxy->object, suspend); 103 if (ret && suspend) 104 return ret; 105 } 106 107 if (oproxy->func->fini[1]) { 108 ret = oproxy->func->fini[1](oproxy, suspend); 109 if (ret && suspend) 110 return ret; 111 } 112 113 return 0; 114 } 115 116 static int 117 nvkm_oproxy_init(struct nvkm_object *object) 118 { 119 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 120 int ret; 121 122 if (oproxy->func->init[0]) { 123 ret = oproxy->func->init[0](oproxy); 124 if (ret) 125 return ret; 126 } 127 128 if (oproxy->object->func->init) { 129 ret = oproxy->object->func->init(oproxy->object); 130 if (ret) 131 return ret; 132 } 133 134 if (oproxy->func->init[1]) { 135 ret = oproxy->func->init[1](oproxy); 136 if (ret) 137 return ret; 138 } 139 140 return 0; 141 } 142 143 static void * 144 nvkm_oproxy_dtor(struct nvkm_object *object) 145 { 146 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 147 if (oproxy->func->dtor[0]) 148 oproxy->func->dtor[0](oproxy); 149 nvkm_object_del(&oproxy->object); 150 if (oproxy->func->dtor[1]) 151 oproxy->func->dtor[1](oproxy); 152 return oproxy; 153 } 154 155 static const struct nvkm_object_func 156 nvkm_oproxy_func = { 157 .dtor = nvkm_oproxy_dtor, 158 .init = nvkm_oproxy_init, 159 .fini = nvkm_oproxy_fini, 160 .mthd = nvkm_oproxy_mthd, 161 .ntfy = nvkm_oproxy_ntfy, 162 .map = nvkm_oproxy_map, 163 .unmap = nvkm_oproxy_unmap, 164 .bind = nvkm_oproxy_bind, 165 .sclass = nvkm_oproxy_sclass, 166 .uevent = nvkm_oproxy_uevent, 167 }; 168 169 void 170 nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func, 171 const struct nvkm_oclass *oclass, struct nvkm_oproxy *oproxy) 172 { 173 nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base); 174 oproxy->func = func; 175 } 176 177 int 178 nvkm_oproxy_new_(const struct nvkm_oproxy_func *func, 179 const struct nvkm_oclass *oclass, struct nvkm_oproxy **poproxy) 180 { 181 if (!(*poproxy = kzalloc(sizeof(**poproxy), GFP_KERNEL))) 182 return -ENOMEM; 183 nvkm_oproxy_ctor(func, oclass, *poproxy); 184 return 0; 185 } 186