1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* 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 "client.h"
#include "driver.h"
#include "ioctl.h"
int
nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
{
return client->driver->ioctl(client->base.priv, client->super, data, size, NULL);
}
int
nvif_client_suspend(struct nvif_client *client)
{
return client->driver->suspend(client->base.priv);
}
int
nvif_client_resume(struct nvif_client *client)
{
return client->driver->resume(client->base.priv);
}
void
nvif_client_fini(struct nvif_client *client)
{
if (client->driver) {
client->driver->fini(client->base.priv);
client->driver = NULL;
client->base.parent = NULL;
nvif_object_fini(&client->base);
}
}
const struct nvif_driver *
nvif_drivers[] = {
#ifdef __KERNEL__
#if 0
&nvif_driver_nvkm,
#endif
#else
&nvif_driver_lib,
#endif
NULL
};
int
nvif_client_init(void (*dtor)(struct nvif_client *), const char *driver,
const char *name, u64 device, const char *cfg, const char *dbg,
struct nvif_client *client)
{
int ret, i;
ret = nvif_object_init(NULL, (void*)dtor, 0, 0, NULL, 0, &client->base);
if (ret)
return ret;
client->base.parent = &client->base;
client->base.handle = ~0;
client->object = &client->base;
client->super = true;
for (i = 0, ret = -EINVAL; (client->driver = nvif_drivers[i]); i++) {
if (!driver || !strcmp(client->driver->name, driver)) {
ret = client->driver->init(name, device, cfg, dbg,
&client->base.priv);
if (!ret || driver)
break;
}
}
if (ret)
nvif_client_fini(client);
return ret;
}
static void
nvif_client_del(struct nvif_client *client)
{
nvif_client_fini(client);
kfree(client);
}
int
nvif_client_new(const char *driver, const char *name, u64 device,
const char *cfg, const char *dbg,
struct nvif_client **pclient)
{
struct nvif_client *client = kzalloc(sizeof(*client), GFP_KERNEL);
if (client) {
int ret = nvif_client_init(nvif_client_del, driver, name,
device, cfg, dbg, client);
if (ret) {
kfree(client);
client = NULL;
}
*pclient = client;
return ret;
}
return -ENOMEM;
}
void
nvif_client_ref(struct nvif_client *client, struct nvif_client **pclient)
{
nvif_object_ref(&client->base, (struct nvif_object **)pclient);
}
|
