mirror of https://gitee.com/openkylin/linux.git
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/*
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* Copyright 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include <nvif/device.h>
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u64
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nvif_device_time(struct nvif_device *device)
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{
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struct nv_device_time_v0 args = {};
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int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
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&args, sizeof(args));
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WARN_ON_ONCE(ret != 0);
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return args.time;
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}
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void
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nvif_device_fini(struct nvif_device *device)
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{
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nvif_user_fini(device);
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kfree(device->runlist);
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device->runlist = NULL;
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nvif_object_fini(&device->object);
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}
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int
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nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
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void *data, u32 size, struct nvif_device *device)
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{
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int ret = nvif_object_init(parent, handle, oclass, data, size,
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&device->object);
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device->runlist = NULL;
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device->user.func = NULL;
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if (ret == 0) {
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device->info.version = 0;
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ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
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&device->info, sizeof(device->info));
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}
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return ret;
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}
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