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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* Copyright 2012 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
*/
#include <core/parent.h>
#include <core/client.h>
#include <core/engine.h>
int
nvkm_parent_sclass(struct nvkm_object *parent, u16 handle,
struct nvkm_object **pengine,
struct nvkm_oclass **poclass)
{
struct nvkm_sclass *sclass;
struct nvkm_engine *engine;
struct nvkm_oclass *oclass;
u64 mask;
sclass = nv_parent(parent)->sclass;
while (sclass) {
if ((sclass->oclass->handle & 0xffff) == handle) {
*pengine = &parent->engine->subdev.object;
*poclass = sclass->oclass;
return 0;
}
sclass = sclass->sclass;
}
mask = nv_parent(parent)->engine;
while (mask) {
int i = __ffs64(mask);
if (nv_iclass(parent, NV_CLIENT_CLASS))
engine = nv_engine(nv_client(parent)->device);
else
engine = nvkm_engine(parent, i);
if (engine) {
oclass = engine->sclass;
while (oclass->ofuncs) {
if ((oclass->handle & 0xffff) == handle) {
*pengine = nv_object(engine);
*poclass = oclass;
return 0;
}
oclass++;
}
}
mask &= ~(1ULL << i);
}
return -EINVAL;
}
int
nvkm_parent_lclass(struct nvkm_object *parent, u32 *lclass, int size)
{
struct nvkm_sclass *sclass;
struct nvkm_engine *engine;
struct nvkm_oclass *oclass;
int nr = -1, i;
u64 mask;
sclass = nv_parent(parent)->sclass;
while (sclass) {
if (++nr < size)
lclass[nr] = sclass->oclass->handle & 0xffff;
sclass = sclass->sclass;
}
mask = nv_parent(parent)->engine;
while (i = __ffs64(mask), mask) {
engine = nvkm_engine(parent, i);
if (engine && (oclass = engine->sclass)) {
while (oclass->ofuncs) {
if (++nr < size)
lclass[nr] = oclass->handle & 0xffff;
oclass++;
}
}
mask &= ~(1ULL << i);
}
return nr + 1;
}
int
nvkm_parent_create_(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, u32 pclass,
struct nvkm_oclass *sclass, u64 engcls,
int size, void **pobject)
{
struct nvkm_parent *object;
struct nvkm_sclass *nclass;
int ret;
ret = nvkm_object_create_(parent, engine, oclass, pclass |
NV_PARENT_CLASS, size, pobject);
object = *pobject;
if (ret)
return ret;
while (sclass && sclass->ofuncs) {
nclass = kzalloc(sizeof(*nclass), GFP_KERNEL);
if (!nclass)
return -ENOMEM;
nclass->sclass = object->sclass;
object->sclass = nclass;
nclass->engine = engine ? nv_engine(engine) : NULL;
nclass->oclass = sclass;
sclass++;
}
object->engine = engcls;
return 0;
}
void
nvkm_parent_destroy(struct nvkm_parent *parent)
{
struct nvkm_sclass *sclass;
while ((sclass = parent->sclass)) {
parent->sclass = sclass->sclass;
kfree(sclass);
}
nvkm_object_destroy(&parent->object);
}
void
_nvkm_parent_dtor(struct nvkm_object *object)
{
nvkm_parent_destroy(nv_parent(object));
}
|
