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 
28 int
nvif_event_block(struct nvif_event * event)29 nvif_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 
39 int
nvif_event_allow(struct nvif_event * event)40 nvif_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 
50 void
nvif_event_dtor(struct nvif_event * event)51 nvif_event_dtor(struct nvif_event *event)
52 {
53 	nvif_object_dtor(&event->object);
54 }
55 
56 int
nvif_event_ctor_(struct nvif_object * parent,const char * name,u32 handle,nvif_event_func func,bool wait,struct nvif_event_v0 * args,u32 argc,bool warn,struct nvif_event * event)57 nvif_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