cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

base.c (2085B)

      1/*
      2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
      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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     20 * DEALINGS IN THE SOFTWARE.
     21 */
     22#include "priv.h"
     23#include <core/firmware.h>
     24
     25static void *
     26nvkm_nvdec_dtor(struct nvkm_engine *engine)
     27{
     28	struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
     29	nvkm_falcon_dtor(&nvdec->falcon);
     30	return nvdec;
     31}
     32
     33static const struct nvkm_engine_func
     34nvkm_nvdec = {
     35	.dtor = nvkm_nvdec_dtor,
     36};
     37
     38int
     39nvkm_nvdec_new_(const struct nvkm_nvdec_fwif *fwif, struct nvkm_device *device,
     40		enum nvkm_subdev_type type, int inst, struct nvkm_nvdec **pnvdec)
     41{
     42	struct nvkm_nvdec *nvdec;
     43	int ret;
     44
     45	if (!(nvdec = *pnvdec = kzalloc(sizeof(*nvdec), GFP_KERNEL)))
     46		return -ENOMEM;
     47
     48	ret = nvkm_engine_ctor(&nvkm_nvdec, device, type, inst, true,
     49			       &nvdec->engine);
     50	if (ret)
     51		return ret;
     52
     53	fwif = nvkm_firmware_load(&nvdec->engine.subdev, fwif, "Nvdec", nvdec);
     54	if (IS_ERR(fwif))
     55		return -ENODEV;
     56
     57	nvdec->func = fwif->func;
     58
     59	return nvkm_falcon_ctor(nvdec->func->flcn, &nvdec->engine.subdev,
     60				nvdec->engine.subdev.name, 0, &nvdec->falcon);
     61};