1 /* 2 * Copyright 2018 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 #include <nvif/user.h> 23 #include <nvif/device.h> 24 25 #include <nvif/class.h> 26 27 void 28 nvif_user_fini(struct nvif_device *device) 29 { 30 if (device->user.func) { 31 nvif_object_fini(&device->user.object); 32 device->user.func = NULL; 33 } 34 } 35 36 int 37 nvif_user_init(struct nvif_device *device) 38 { 39 struct { 40 s32 oclass; 41 int version; 42 const struct nvif_user_func *func; 43 } users[] = { 44 { VOLTA_USERMODE_A, -1, &nvif_userc361 }, 45 {} 46 }; 47 int cid, ret; 48 49 if (device->user.func) 50 return 0; 51 52 cid = nvif_mclass(&device->object, users); 53 if (cid < 0) 54 return cid; 55 56 ret = nvif_object_init(&device->object, 0, users[cid].oclass, NULL, 0, 57 &device->user.object); 58 if (ret) 59 return ret; 60 61 nvif_object_map(&device->user.object, NULL, 0); 62 device->user.func = users[cid].func; 63 return 0; 64 } 65