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
|
/*
* Copyright 2014 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/device.h>
u64
nvif_device_time(struct nvif_device *device)
{
return nvxx_timer(device)->read(nvxx_timer(device));
}
void
nvif_device_fini(struct nvif_device *device)
{
nvif_object_fini(&device->base);
}
int
nvif_device_init(struct nvif_object *parent, void (*dtor)(struct nvif_device *),
u32 handle, u32 oclass, void *data, u32 size,
struct nvif_device *device)
{
int ret = nvif_object_init(parent, (void *)dtor, handle, oclass,
data, size, &device->base);
if (ret == 0) {
device->object = &device->base;
device->info.version = 0;
ret = nvif_object_mthd(&device->base, NV_DEVICE_V0_INFO,
&device->info, sizeof(device->info));
}
return ret;
}
static void
nvif_device_del(struct nvif_device *device)
{
nvif_device_fini(device);
kfree(device);
}
int
nvif_device_new(struct nvif_object *parent, u32 handle, u32 oclass,
void *data, u32 size, struct nvif_device **pdevice)
{
struct nvif_device *device = kzalloc(sizeof(*device), GFP_KERNEL);
if (device) {
int ret = nvif_device_init(parent, nvif_device_del, handle,
oclass, data, size, device);
if (ret) {
kfree(device);
device = NULL;
}
*pdevice = device;
return ret;
}
return -ENOMEM;
}
void
nvif_device_ref(struct nvif_device *device, struct nvif_device **pdevice)
{
nvif_object_ref(&device->base, (struct nvif_object **)pdevice);
}
|
