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 (2057B)


      1/*
      2 * Copyright 2019 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 "priv.h"
     23
     24#include <core/firmware.h>
     25
     26static void *
     27nvkm_nvenc_dtor(struct nvkm_engine *engine)
     28{
     29	struct nvkm_nvenc *nvenc = nvkm_nvenc(engine);
     30	nvkm_falcon_dtor(&nvenc->falcon);
     31	return nvenc;
     32}
     33
     34static const struct nvkm_engine_func
     35nvkm_nvenc = {
     36	.dtor = nvkm_nvenc_dtor,
     37};
     38
     39int
     40nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
     41		enum nvkm_subdev_type type, int inst, struct nvkm_nvenc **pnvenc)
     42{
     43	struct nvkm_nvenc *nvenc;
     44	int ret;
     45
     46	if (!(nvenc = *pnvenc = kzalloc(sizeof(*nvenc), GFP_KERNEL)))
     47		return -ENOMEM;
     48
     49	ret = nvkm_engine_ctor(&nvkm_nvenc, device, type, inst, true,
     50			       &nvenc->engine);
     51	if (ret)
     52		return ret;
     53
     54	fwif = nvkm_firmware_load(&nvenc->engine.subdev, fwif, "Nvenc", nvenc);
     55	if (IS_ERR(fwif))
     56		return -ENODEV;
     57
     58	nvenc->func = fwif->func;
     59
     60	return nvkm_falcon_ctor(nvenc->func->flcn, &nvenc->engine.subdev,
     61				nvenc->engine.subdev.name, 0, &nvenc->falcon);
     62};