1/*
2 * Copyright 2018 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 <nvif/user.h>
23#include <nvif/device.h>
24
25#include <nvif/class.h>
26
27void
28nvif_user_dtor(struct nvif_device *device)
29{
30	if (device->user.func) {
31		nvif_object_dtor(&device->user.object);
32		device->user.func = NULL;
33	}
34}
35
36int
37nvif_user_ctor(struct nvif_device *device, const char *name)
38{
39	struct {
40		s32 oclass;
41		int version;
42		const struct nvif_user_func *func;
43	} users[] = {
44		{ AMPERE_USERMODE_A, -1, &nvif_userc361 },
45		{ TURING_USERMODE_A, -1, &nvif_userc361 },
46		{  VOLTA_USERMODE_A, -1, &nvif_userc361 },
47		{}
48	};
49	int cid, ret;
50
51	if (device->user.func)
52		return 0;
53
54	cid = nvif_mclass(&device->object, users);
55	if (cid < 0)
56		return cid;
57
58	ret = nvif_object_ctor(&device->object, name ? name : "nvifUsermode",
59			       0, users[cid].oclass, NULL, 0,
60			       &device->user.object);
61	if (ret)
62		return ret;
63
64	nvif_object_map(&device->user.object, NULL, 0);
65	device->user.func = users[cid].func;
66	return 0;
67}
68