1/*
2 * Copyright 2021 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/event.h>
23#include <nvif/printf.h>
24
25#include <nvif/class.h>
26#include <nvif/if000e.h>
27
28int
29nvif_event_block(struct nvif_event *event)
30{
31 if (nvif_event_constructed(event)) {
32 int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_BLOCK, NULL, 0);
33 NVIF_ERRON(ret, &event->object, "[BLOCK]");
34 return ret;
35 }
36 return 0;
37}
38
39int
40nvif_event_allow(struct nvif_event *event)
41{
42 if (nvif_event_constructed(event)) {
43 int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_ALLOW, NULL, 0);
44 NVIF_ERRON(ret, &event->object, "[ALLOW]");
45 return ret;
46 }
47 return 0;
48}
49
50void
51nvif_event_dtor(struct nvif_event *event)
52{
53 nvif_object_dtor(&event->object);
54}
55
56int
57nvif_event_ctor_(struct nvif_object *parent, const char *name, u32 handle, nvif_event_func func,
58 bool wait, struct nvif_event_v0 *args, u32 argc, bool warn,
59 struct nvif_event *event)
60{
61 struct nvif_event_v0 _args;
62 int ret;
63
64 if (!args) {
65 args = &_args;
66 argc = sizeof(_args);
67 }
68
69 args->version = 0;
70 args->wait = wait;
71
72 ret = nvif_object_ctor(parent, name ?: "nvifEvent", handle,
73 NVIF_CLASS_EVENT, args, argc, &event->object);
74 NVIF_ERRON(ret && warn, parent, "[NEW EVENT wait:%d size:%zd]",
75 args->wait, argc - sizeof(*args));
76 if (ret)
77 return ret;
78
79 event->func = func;
80 return 0;
81}
82

source code of linux/drivers/gpu/drm/nouveau/nvif/event.c