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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
* Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All Rights Reserved.
*
* 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 (including the next
* paragraph) 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#include "drmP.h"
int DRM(irq_busid)( DRM_IOCTL_ARGS )
{
#ifdef __FreeBSD__
drm_irq_busid_t id;
devclass_t pci;
device_t bus, dev;
device_t *kids;
int error, i, num_kids;
DRM_COPY_FROM_USER_IOCTL( id, (drm_irq_busid_t *)data, sizeof(id) );
pci = devclass_find("pci");
if (!pci)
return ENOENT;
bus = devclass_get_device(pci, id.busnum);
if (!bus)
return ENOENT;
error = device_get_children(bus, &kids, &num_kids);
if (error)
return error;
dev = 0;
for (i = 0; i < num_kids; i++) {
dev = kids[i];
if (pci_get_slot(dev) == id.devnum
&& pci_get_function(dev) == id.funcnum)
break;
}
free(kids, M_TEMP);
if (i != num_kids)
id.irq = pci_get_irq(dev);
else
id.irq = 0;
DRM_DEBUG("%d:%d:%d => IRQ %d\n",
id.busnum, id.devnum, id.funcnum, id.irq);
DRM_COPY_TO_USER_IOCTL( (drm_irq_busid_t *)data, id, sizeof(id) );
return 0;
#else
/* don't support interrupt-driven drivers on Net yet */
return ENOENT;
#endif
}
int DRM(getunique)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_unique_t u;
DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) );
if (u.unique_len >= dev->unique_len) {
if (DRM_COPY_TO_USER(u.unique, dev->unique, dev->unique_len))
return DRM_ERR(EFAULT);
}
u.unique_len = dev->unique_len;
DRM_COPY_TO_USER_IOCTL( (drm_unique_t *)data, u, sizeof(u) );
return 0;
}
int DRM(setunique)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_unique_t u;
if (dev->unique_len || dev->unique)
return DRM_ERR(EBUSY);
DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) );
if (!u.unique_len || u.unique_len > 1024)
return DRM_ERR(EINVAL);
dev->unique_len = u.unique_len;
dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
if (dev->unique == NULL)
return DRM_ERR(ENOMEM);
if (DRM_COPY_FROM_USER(dev->unique, u.unique, dev->unique_len))
return DRM_ERR(EFAULT);
dev->unique[dev->unique_len] = '\0';
return 0;
}
int DRM(getmap)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_map_t map;
drm_local_map_t *mapinlist;
drm_map_list_entry_t *list;
int idx;
int i = 0;
DRM_COPY_FROM_USER_IOCTL( map, (drm_map_t *)data, sizeof(map) );
idx = map.offset;
DRM_LOCK;
if (idx < 0) {
DRM_UNLOCK;
return DRM_ERR(EINVAL);
}
TAILQ_FOREACH(list, dev->maplist, link) {
mapinlist = list->map;
if (i==idx) {
map.offset = mapinlist->offset;
map.size = mapinlist->size;
map.type = mapinlist->type;
map.flags = mapinlist->flags;
map.handle = mapinlist->handle;
map.mtrr = mapinlist->mtrr;
break;
}
i++;
}
DRM_UNLOCK;
if (!list)
return EINVAL;
DRM_COPY_TO_USER_IOCTL( (drm_map_t *)data, map, sizeof(map) );
return 0;
}
int DRM(getclient)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_client_t client;
drm_file_t *pt;
int idx;
int i = 0;
DRM_COPY_FROM_USER_IOCTL( client, (drm_client_t *)data, sizeof(client) );
idx = client.idx;
DRM_LOCK;
TAILQ_FOREACH(pt, &dev->files, link) {
if (i==idx)
{
client.auth = pt->authenticated;
client.pid = pt->pid;
client.uid = pt->uid;
client.magic = pt->magic;
client.iocs = pt->ioctl_count;
DRM_UNLOCK;
*(drm_client_t *)data = client;
return 0;
}
i++;
}
DRM_UNLOCK;
DRM_COPY_TO_USER_IOCTL( (drm_client_t *)data, client, sizeof(client) );
return 0;
}
int DRM(getstats)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_stats_t stats;
int i;
memset(&stats, 0, sizeof(stats));
DRM_LOCK;
for (i = 0; i < dev->counters; i++) {
if (dev->types[i] == _DRM_STAT_LOCK)
stats.data[i].value
= (dev->lock.hw_lock
? dev->lock.hw_lock->lock : 0);
else
stats.data[i].value = atomic_read(&dev->counts[i]);
stats.data[i].type = dev->types[i];
}
stats.count = dev->counters;
DRM_UNLOCK;
DRM_COPY_TO_USER_IOCTL( (drm_stats_t *)data, stats, sizeof(stats) );
return 0;
}
int DRM(noop)(DRM_IOCTL_ARGS)
{
DRM_DEBUG("\n");
return 0;
}
|
