linux-zen-server/drivers/gpu/drm/nouveau/nvif/event.c

82 lines
2.3 KiB
C

/*
* Copyright 2021 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <nvif/event.h>
#include <nvif/printf.h>
#include <nvif/class.h>
#include <nvif/if000e.h>
int
nvif_event_block(struct nvif_event *event)
{
if (nvif_event_constructed(event)) {
int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_BLOCK, NULL, 0);
NVIF_ERRON(ret, &event->object, "[BLOCK]");
return ret;
}
return 0;
}
int
nvif_event_allow(struct nvif_event *event)
{
if (nvif_event_constructed(event)) {
int ret = nvif_mthd(&event->object, NVIF_EVENT_V0_ALLOW, NULL, 0);
NVIF_ERRON(ret, &event->object, "[ALLOW]");
return ret;
}
return 0;
}
void
nvif_event_dtor(struct nvif_event *event)
{
nvif_object_dtor(&event->object);
}
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)
{
struct nvif_event_v0 _args;
int ret;
if (!args) {
args = &_args;
argc = sizeof(_args);
}
args->version = 0;
args->wait = wait;
ret = nvif_object_ctor(parent, name ?: "nvifEvent", handle,
NVIF_CLASS_EVENT, args, argc, &event->object);
NVIF_ERRON(ret && warn, parent, "[NEW EVENT wait:%d size:%zd]",
args->wait, argc - sizeof(*args));
if (ret)
return ret;
event->func = func;
return 0;
}