r535.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 "priv.h"
23
24static void *
25r535_sec2_dtor(struct nvkm_engine *engine)
26{
27	struct nvkm_sec2 *sec2 = nvkm_sec2(engine);
28
29	nvkm_falcon_dtor(&sec2->falcon);
30	return sec2;
31}
32
33static const struct nvkm_engine_func
34r535_sec2 = {
35	.dtor = r535_sec2_dtor,
36};
37
38int
39r535_sec2_new(const struct nvkm_sec2_func *func, struct nvkm_device *device,
40	      enum nvkm_subdev_type type, int inst, u32 addr, struct nvkm_sec2 **psec2)
41{
42	struct nvkm_sec2 *sec2;
43	int ret;
44
45	if (!(sec2 = *psec2 = kzalloc(sizeof(*sec2), GFP_KERNEL)))
46		return -ENOMEM;
47
48	ret = nvkm_engine_ctor(&r535_sec2, device, type, inst, true, &sec2->engine);
49	if (ret)
50		return ret;
51
52	return nvkm_falcon_ctor(func->flcn, &sec2->engine.subdev, sec2->engine.subdev.name,
53				addr, &sec2->falcon);
54}