nvenc.c

 1/*
 2 * Copyright 2023 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 <rm/engine.h>
23
24#include "nvrm/nvenc.h"
25
26static int
27r535_nvenc_alloc(struct nvkm_gsp_object *chan, u32 handle, u32 class, int inst,
28		 struct nvkm_gsp_object *nvenc)
29{
30	NV_MSENC_ALLOCATION_PARAMETERS *args;
31
32	args = nvkm_gsp_rm_alloc_get(chan, handle, class, sizeof(*args), nvenc);
33	if (WARN_ON(IS_ERR(args)))
34		return PTR_ERR(args);
35
36	args->size = sizeof(*args);
37	args->engineInstance = inst;
38
39	return nvkm_gsp_rm_alloc_wr(nvenc, args);
40}
41
42const struct nvkm_rm_api_engine
43r535_nvenc = {
44	.alloc = r535_nvenc_alloc,
45};