mirror of https://gitee.com/openkylin/linux.git
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
|
|
* Copyright 2013 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.
|
|
*
|
|
* Authors: Ben Skeggs <bskeggs@redhat.com>
|
|
*/
|
|
|
|
#include <nvif/client.h>
|
|
#include <nvif/driver.h>
|
|
#include <nvif/ioctl.h>
|
|
|
|
#include <nvif/class.h>
|
|
#include <nvif/if0000.h>
|
|
|
|
int
|
|
nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
|
|
{
|
|
return client->driver->ioctl(client->object.priv, client->super, data, size, NULL);
|
|
}
|
|
|
|
int
|
|
nvif_client_suspend(struct nvif_client *client)
|
|
{
|
|
return client->driver->suspend(client->object.priv);
|
|
}
|
|
|
|
int
|
|
nvif_client_resume(struct nvif_client *client)
|
|
{
|
|
return client->driver->resume(client->object.priv);
|
|
}
|
|
|
|
void
|
|
nvif_client_fini(struct nvif_client *client)
|
|
{
|
|
nvif_object_fini(&client->object);
|
|
if (client->driver) {
|
|
if (client->driver->fini)
|
|
client->driver->fini(client->object.priv);
|
|
client->driver = NULL;
|
|
}
|
|
}
|
|
|
|
int
|
|
nvif_client_init(struct nvif_client *parent, const char *name, u64 device,
|
|
struct nvif_client *client)
|
|
{
|
|
struct nvif_client_v0 args = { .device = device };
|
|
struct {
|
|
struct nvif_ioctl_v0 ioctl;
|
|
struct nvif_ioctl_nop_v0 nop;
|
|
} nop = {};
|
|
int ret;
|
|
|
|
strncpy(args.name, name, sizeof(args.name));
|
|
ret = nvif_object_init(parent != client ? &parent->object : NULL,
|
|
0, NVIF_CLASS_CLIENT, &args, sizeof(args),
|
|
&client->object);
|
|
if (ret)
|
|
return ret;
|
|
|
|
client->object.client = client;
|
|
client->object.handle = ~0;
|
|
client->route = NVIF_IOCTL_V0_ROUTE_NVIF;
|
|
client->super = true;
|
|
client->driver = parent->driver;
|
|
|
|
if (ret == 0) {
|
|
ret = nvif_client_ioctl(client, &nop, sizeof(nop));
|
|
client->version = nop.nop.version;
|
|
}
|
|
|
|
if (ret)
|
|
nvif_client_fini(client);
|
|
return ret;
|
|
}
|