1 /* 2 * Copyright 2014 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 25 #include <nvif/device.h> 26 27 u64 28 nvif_device_time(struct nvif_device *device) 29 { 30 if (!device->user.func) { 31 struct nv_device_time_v0 args = {}; 32 int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME, 33 &args, sizeof(args)); 34 WARN_ON_ONCE(ret != 0); 35 return args.time; 36 } 37 38 return device->user.func->time(&device->user); 39 } 40 41 void 42 nvif_device_dtor(struct nvif_device *device) 43 { 44 nvif_user_dtor(device); 45 kfree(device->runlist); 46 device->runlist = NULL; 47 nvif_object_dtor(&device->object); 48 } 49 50 int 51 nvif_device_ctor(struct nvif_object *parent, const char *name, u32 handle, 52 s32 oclass, void *data, u32 size, struct nvif_device *device) 53 { 54 int ret = nvif_object_ctor(parent, name ? name : "nvifDevice", handle, 55 oclass, data, size, &device->object); 56 device->runlist = NULL; 57 device->user.func = NULL; 58 if (ret == 0) { 59 device->info.version = 0; 60 ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO, 61 &device->info, sizeof(device->info)); 62 } 63 return ret; 64 } 65