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9a186645 DA |
1 | /** |
2 | * \file drm_ioc32.c | |
3 | * | |
4 | * 32-bit ioctl compatibility routines for the DRM. | |
5 | * | |
6 | * \author Paul Mackerras <paulus@samba.org> | |
7 | * | |
8 | * Copyright (C) Paul Mackerras 2005. | |
9 | * All Rights Reserved. | |
10 | * | |
11 | * Permission is hereby granted, free of charge, to any person obtaining a | |
12 | * copy of this software and associated documentation files (the "Software"), | |
13 | * to deal in the Software without restriction, including without limitation | |
14 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
15 | * and/or sell copies of the Software, and to permit persons to whom the | |
16 | * Software is furnished to do so, subject to the following conditions: | |
17 | * | |
18 | * The above copyright notice and this permission notice (including the next | |
19 | * paragraph) shall be included in all copies or substantial portions of the | |
20 | * Software. | |
21 | * | |
22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
23 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
25 | * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
26 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
27 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
28 | * IN THE SOFTWARE. | |
29 | */ | |
30 | #include <linux/compat.h> | |
31 | #include <linux/ioctl32.h> | |
32 | ||
33 | #include "drmP.h" | |
34 | #include "drm_core.h" | |
35 | ||
36 | #define DRM_IOCTL_VERSION32 DRM_IOWR(0x00, drm_version32_t) | |
37 | #define DRM_IOCTL_GET_UNIQUE32 DRM_IOWR(0x01, drm_unique32_t) | |
38 | #define DRM_IOCTL_GET_MAP32 DRM_IOWR(0x04, drm_map32_t) | |
39 | #define DRM_IOCTL_GET_CLIENT32 DRM_IOWR(0x05, drm_client32_t) | |
40 | #define DRM_IOCTL_GET_STATS32 DRM_IOR( 0x06, drm_stats32_t) | |
41 | ||
42 | #define DRM_IOCTL_SET_UNIQUE32 DRM_IOW( 0x10, drm_unique32_t) | |
43 | #define DRM_IOCTL_ADD_MAP32 DRM_IOWR(0x15, drm_map32_t) | |
44 | #define DRM_IOCTL_ADD_BUFS32 DRM_IOWR(0x16, drm_buf_desc32_t) | |
45 | #define DRM_IOCTL_MARK_BUFS32 DRM_IOW( 0x17, drm_buf_desc32_t) | |
46 | #define DRM_IOCTL_INFO_BUFS32 DRM_IOWR(0x18, drm_buf_info32_t) | |
47 | #define DRM_IOCTL_MAP_BUFS32 DRM_IOWR(0x19, drm_buf_map32_t) | |
48 | #define DRM_IOCTL_FREE_BUFS32 DRM_IOW( 0x1a, drm_buf_free32_t) | |
49 | ||
50 | #define DRM_IOCTL_RM_MAP32 DRM_IOW( 0x1b, drm_map32_t) | |
51 | ||
52 | #define DRM_IOCTL_SET_SAREA_CTX32 DRM_IOW( 0x1c, drm_ctx_priv_map32_t) | |
53 | #define DRM_IOCTL_GET_SAREA_CTX32 DRM_IOWR(0x1d, drm_ctx_priv_map32_t) | |
54 | ||
55 | #define DRM_IOCTL_RES_CTX32 DRM_IOWR(0x26, drm_ctx_res32_t) | |
56 | #define DRM_IOCTL_DMA32 DRM_IOWR(0x29, drm_dma32_t) | |
57 | ||
58 | #define DRM_IOCTL_AGP_ENABLE32 DRM_IOW( 0x32, drm_agp_mode32_t) | |
59 | #define DRM_IOCTL_AGP_INFO32 DRM_IOR( 0x33, drm_agp_info32_t) | |
60 | #define DRM_IOCTL_AGP_ALLOC32 DRM_IOWR(0x34, drm_agp_buffer32_t) | |
61 | #define DRM_IOCTL_AGP_FREE32 DRM_IOW( 0x35, drm_agp_buffer32_t) | |
62 | #define DRM_IOCTL_AGP_BIND32 DRM_IOW( 0x36, drm_agp_binding32_t) | |
63 | #define DRM_IOCTL_AGP_UNBIND32 DRM_IOW( 0x37, drm_agp_binding32_t) | |
64 | ||
65 | #define DRM_IOCTL_SG_ALLOC32 DRM_IOW( 0x38, drm_scatter_gather32_t) | |
66 | #define DRM_IOCTL_SG_FREE32 DRM_IOW( 0x39, drm_scatter_gather32_t) | |
67 | ||
68 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) | |
69 | ||
70 | typedef struct drm_version_32 { | |
b5e89ed5 DA |
71 | int version_major; /**< Major version */ |
72 | int version_minor; /**< Minor version */ | |
73 | int version_patchlevel; /**< Patch level */ | |
74 | u32 name_len; /**< Length of name buffer */ | |
75 | u32 name; /**< Name of driver */ | |
76 | u32 date_len; /**< Length of date buffer */ | |
77 | u32 date; /**< User-space buffer to hold date */ | |
78 | u32 desc_len; /**< Length of desc buffer */ | |
79 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
80 | } drm_version32_t; |
81 | ||
82 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
83 | unsigned long arg) | |
84 | { | |
85 | drm_version32_t v32; | |
86 | drm_version_t __user *version; | |
87 | int err; | |
88 | ||
b5e89ed5 | 89 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
90 | return -EFAULT; |
91 | ||
92 | version = compat_alloc_user_space(sizeof(*version)); | |
93 | if (!access_ok(VERIFY_WRITE, version, sizeof(*version))) | |
94 | return -EFAULT; | |
95 | if (__put_user(v32.name_len, &version->name_len) | |
96 | || __put_user((void __user *)(unsigned long)v32.name, | |
97 | &version->name) | |
98 | || __put_user(v32.date_len, &version->date_len) | |
99 | || __put_user((void __user *)(unsigned long)v32.date, | |
100 | &version->date) | |
101 | || __put_user(v32.desc_len, &version->desc_len) | |
102 | || __put_user((void __user *)(unsigned long)v32.desc, | |
103 | &version->desc)) | |
104 | return -EFAULT; | |
105 | ||
106 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 107 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
108 | if (err) |
109 | return err; | |
110 | ||
111 | if (__get_user(v32.version_major, &version->version_major) | |
112 | || __get_user(v32.version_minor, &version->version_minor) | |
113 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
114 | || __get_user(v32.name_len, &version->name_len) | |
115 | || __get_user(v32.date_len, &version->date_len) | |
116 | || __get_user(v32.desc_len, &version->desc_len)) | |
117 | return -EFAULT; | |
118 | ||
b5e89ed5 | 119 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
120 | return -EFAULT; |
121 | return 0; | |
122 | } | |
123 | ||
124 | typedef struct drm_unique32 { | |
125 | u32 unique_len; /**< Length of unique */ | |
126 | u32 unique; /**< Unique name for driver instantiation */ | |
127 | } drm_unique32_t; | |
128 | ||
129 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
130 | unsigned long arg) | |
131 | { | |
132 | drm_unique32_t uq32; | |
133 | drm_unique_t __user *u; | |
134 | int err; | |
135 | ||
b5e89ed5 | 136 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
137 | return -EFAULT; |
138 | ||
139 | u = compat_alloc_user_space(sizeof(*u)); | |
140 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
141 | return -EFAULT; | |
142 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 143 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
144 | &u->unique)) |
145 | return -EFAULT; | |
146 | ||
147 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 148 | DRM_IOCTL_GET_UNIQUE, (unsigned long)u); |
9a186645 DA |
149 | if (err) |
150 | return err; | |
151 | ||
152 | if (__get_user(uq32.unique_len, &u->unique_len)) | |
153 | return -EFAULT; | |
b5e89ed5 | 154 | if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32))) |
9a186645 DA |
155 | return -EFAULT; |
156 | return 0; | |
157 | } | |
158 | ||
159 | static int compat_drm_setunique(struct file *file, unsigned int cmd, | |
160 | unsigned long arg) | |
161 | { | |
162 | drm_unique32_t uq32; | |
163 | drm_unique_t __user *u; | |
164 | ||
b5e89ed5 | 165 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
166 | return -EFAULT; |
167 | ||
168 | u = compat_alloc_user_space(sizeof(*u)); | |
169 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
170 | return -EFAULT; | |
171 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 172 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
173 | &u->unique)) |
174 | return -EFAULT; | |
175 | ||
176 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 177 | DRM_IOCTL_SET_UNIQUE, (unsigned long)u); |
9a186645 DA |
178 | } |
179 | ||
180 | typedef struct drm_map32 { | |
b5e89ed5 DA |
181 | u32 offset; /**< Requested physical address (0 for SAREA)*/ |
182 | u32 size; /**< Requested physical size (bytes) */ | |
183 | drm_map_type_t type; /**< Type of memory to map */ | |
9a186645 | 184 | drm_map_flags_t flags; /**< Flags */ |
b5e89ed5 DA |
185 | u32 handle; /**< User-space: "Handle" to pass to mmap() */ |
186 | int mtrr; /**< MTRR slot used */ | |
9a186645 DA |
187 | } drm_map32_t; |
188 | ||
189 | static int compat_drm_getmap(struct file *file, unsigned int cmd, | |
190 | unsigned long arg) | |
191 | { | |
192 | drm_map32_t __user *argp = (void __user *)arg; | |
193 | drm_map32_t m32; | |
194 | drm_map_t __user *map; | |
195 | int idx, err; | |
196 | void *handle; | |
197 | ||
198 | if (get_user(idx, &argp->offset)) | |
199 | return -EFAULT; | |
200 | ||
201 | map = compat_alloc_user_space(sizeof(*map)); | |
202 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
203 | return -EFAULT; | |
204 | if (__put_user(idx, &map->offset)) | |
205 | return -EFAULT; | |
206 | ||
207 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 208 | DRM_IOCTL_GET_MAP, (unsigned long)map); |
9a186645 DA |
209 | if (err) |
210 | return err; | |
211 | ||
212 | if (__get_user(m32.offset, &map->offset) | |
213 | || __get_user(m32.size, &map->size) | |
214 | || __get_user(m32.type, &map->type) | |
215 | || __get_user(m32.flags, &map->flags) | |
216 | || __get_user(handle, &map->handle) | |
217 | || __get_user(m32.mtrr, &map->mtrr)) | |
218 | return -EFAULT; | |
219 | ||
b5e89ed5 | 220 | m32.handle = (unsigned long)handle; |
9a186645 DA |
221 | if (copy_to_user(argp, &m32, sizeof(m32))) |
222 | return -EFAULT; | |
223 | return 0; | |
224 | ||
225 | } | |
226 | ||
227 | static int compat_drm_addmap(struct file *file, unsigned int cmd, | |
228 | unsigned long arg) | |
229 | { | |
230 | drm_map32_t __user *argp = (void __user *)arg; | |
231 | drm_map32_t m32; | |
232 | drm_map_t __user *map; | |
233 | int err; | |
234 | void *handle; | |
235 | ||
236 | if (copy_from_user(&m32, argp, sizeof(m32))) | |
237 | return -EFAULT; | |
238 | ||
239 | map = compat_alloc_user_space(sizeof(*map)); | |
240 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
241 | return -EFAULT; | |
242 | if (__put_user(m32.offset, &map->offset) | |
243 | || __put_user(m32.size, &map->size) | |
244 | || __put_user(m32.type, &map->type) | |
245 | || __put_user(m32.flags, &map->flags)) | |
246 | return -EFAULT; | |
247 | ||
248 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 249 | DRM_IOCTL_ADD_MAP, (unsigned long)map); |
9a186645 DA |
250 | if (err) |
251 | return err; | |
252 | ||
253 | if (__get_user(m32.offset, &map->offset) | |
254 | || __get_user(m32.mtrr, &map->mtrr) | |
255 | || __get_user(handle, &map->handle)) | |
256 | return -EFAULT; | |
257 | ||
b5e89ed5 DA |
258 | m32.handle = (unsigned long)handle; |
259 | if (m32.handle != (unsigned long)handle && printk_ratelimit()) | |
9a186645 DA |
260 | printk(KERN_ERR "compat_drm_addmap truncated handle" |
261 | " %p for type %d offset %x\n", | |
262 | handle, m32.type, m32.offset); | |
263 | ||
264 | if (copy_to_user(argp, &m32, sizeof(m32))) | |
265 | return -EFAULT; | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
270 | static int compat_drm_rmmap(struct file *file, unsigned int cmd, | |
271 | unsigned long arg) | |
272 | { | |
273 | drm_map32_t __user *argp = (void __user *)arg; | |
274 | drm_map_t __user *map; | |
275 | u32 handle; | |
276 | ||
277 | if (get_user(handle, &argp->handle)) | |
278 | return -EFAULT; | |
279 | ||
280 | map = compat_alloc_user_space(sizeof(*map)); | |
281 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
282 | return -EFAULT; | |
b5e89ed5 | 283 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
284 | return -EFAULT; |
285 | ||
286 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 287 | DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
288 | } |
289 | ||
290 | typedef struct drm_client32 { | |
b5e89ed5 DA |
291 | int idx; /**< Which client desired? */ |
292 | int auth; /**< Is client authenticated? */ | |
293 | u32 pid; /**< Process ID */ | |
294 | u32 uid; /**< User ID */ | |
295 | u32 magic; /**< Magic */ | |
296 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
297 | } drm_client32_t; |
298 | ||
299 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
300 | unsigned long arg) | |
301 | { | |
302 | drm_client32_t c32; | |
303 | drm_client32_t __user *argp = (void __user *)arg; | |
304 | drm_client_t __user *client; | |
305 | int idx, err; | |
306 | ||
307 | if (get_user(idx, &argp->idx)) | |
308 | return -EFAULT; | |
309 | ||
310 | client = compat_alloc_user_space(sizeof(*client)); | |
311 | if (!access_ok(VERIFY_WRITE, client, sizeof(*client))) | |
312 | return -EFAULT; | |
313 | if (__put_user(idx, &client->idx)) | |
314 | return -EFAULT; | |
315 | ||
316 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 317 | DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
318 | if (err) |
319 | return err; | |
320 | ||
321 | if (__get_user(c32.auth, &client->auth) | |
322 | || __get_user(c32.pid, &client->pid) | |
323 | || __get_user(c32.uid, &client->uid) | |
324 | || __get_user(c32.magic, &client->magic) | |
325 | || __get_user(c32.iocs, &client->iocs)) | |
326 | return -EFAULT; | |
327 | ||
328 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
329 | return -EFAULT; | |
330 | return 0; | |
331 | } | |
332 | ||
333 | typedef struct drm_stats32 { | |
334 | u32 count; | |
335 | struct { | |
336 | u32 value; | |
337 | drm_stat_type_t type; | |
338 | } data[15]; | |
339 | } drm_stats32_t; | |
340 | ||
341 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
342 | unsigned long arg) | |
343 | { | |
344 | drm_stats32_t s32; | |
345 | drm_stats32_t __user *argp = (void __user *)arg; | |
346 | drm_stats_t __user *stats; | |
347 | int i, err; | |
348 | ||
349 | stats = compat_alloc_user_space(sizeof(*stats)); | |
350 | if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) | |
351 | return -EFAULT; | |
352 | ||
353 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 354 | DRM_IOCTL_GET_STATS, (unsigned long)stats); |
9a186645 DA |
355 | if (err) |
356 | return err; | |
357 | ||
358 | if (__get_user(s32.count, &stats->count)) | |
359 | return -EFAULT; | |
360 | for (i = 0; i < 15; ++i) | |
361 | if (__get_user(s32.data[i].value, &stats->data[i].value) | |
362 | || __get_user(s32.data[i].type, &stats->data[i].type)) | |
363 | return -EFAULT; | |
364 | ||
365 | if (copy_to_user(argp, &s32, sizeof(s32))) | |
366 | return -EFAULT; | |
367 | return 0; | |
368 | } | |
369 | ||
370 | typedef struct drm_buf_desc32 { | |
b5e89ed5 DA |
371 | int count; /**< Number of buffers of this size */ |
372 | int size; /**< Size in bytes */ | |
373 | int low_mark; /**< Low water mark */ | |
374 | int high_mark; /**< High water mark */ | |
375 | int flags; | |
376 | u32 agp_start; /**< Start address in the AGP aperture */ | |
9a186645 DA |
377 | } drm_buf_desc32_t; |
378 | ||
379 | static int compat_drm_addbufs(struct file *file, unsigned int cmd, | |
380 | unsigned long arg) | |
381 | { | |
382 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
383 | drm_buf_desc_t __user *buf; | |
384 | int err; | |
385 | unsigned long agp_start; | |
386 | ||
387 | buf = compat_alloc_user_space(sizeof(*buf)); | |
388 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)) | |
389 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) | |
390 | return -EFAULT; | |
391 | ||
392 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
393 | || __get_user(agp_start, &argp->agp_start) | |
394 | || __put_user(agp_start, &buf->agp_start)) | |
395 | return -EFAULT; | |
396 | ||
397 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 398 | DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
399 | if (err) |
400 | return err; | |
401 | ||
402 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
403 | || __get_user(agp_start, &buf->agp_start) | |
404 | || __put_user(agp_start, &argp->agp_start)) | |
405 | return -EFAULT; | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
411 | unsigned long arg) | |
412 | { | |
413 | drm_buf_desc32_t b32; | |
414 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
415 | drm_buf_desc_t __user *buf; | |
416 | ||
417 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
418 | return -EFAULT; | |
419 | ||
420 | buf = compat_alloc_user_space(sizeof(*buf)); | |
421 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | |
422 | return -EFAULT; | |
423 | ||
424 | if (__put_user(b32.size, &buf->size) | |
425 | || __put_user(b32.low_mark, &buf->low_mark) | |
426 | || __put_user(b32.high_mark, &buf->high_mark)) | |
427 | return -EFAULT; | |
428 | ||
429 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 430 | DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
431 | } |
432 | ||
433 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
434 | int count; /**< Entries in list */ |
435 | u32 list; | |
9a186645 DA |
436 | } drm_buf_info32_t; |
437 | ||
438 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
439 | unsigned long arg) | |
440 | { | |
441 | drm_buf_info32_t req32; | |
442 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
443 | drm_buf_desc32_t __user *to; | |
444 | drm_buf_info_t __user *request; | |
445 | drm_buf_desc_t __user *list; | |
446 | size_t nbytes; | |
447 | int i, err; | |
448 | int count, actual; | |
449 | ||
450 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
451 | return -EFAULT; | |
452 | ||
453 | count = req32.count; | |
b5e89ed5 | 454 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
455 | if (count < 0) |
456 | count = 0; | |
457 | if (count > 0 | |
458 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
459 | return -EFAULT; | |
460 | ||
461 | nbytes = sizeof(*request) + count * sizeof(drm_buf_desc_t); | |
462 | request = compat_alloc_user_space(nbytes); | |
463 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
464 | return -EFAULT; | |
465 | list = (drm_buf_desc_t *) (request + 1); | |
466 | ||
467 | if (__put_user(count, &request->count) | |
468 | || __put_user(list, &request->list)) | |
469 | return -EFAULT; | |
470 | ||
471 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 472 | DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
473 | if (err) |
474 | return err; | |
475 | ||
476 | if (__get_user(actual, &request->count)) | |
477 | return -EFAULT; | |
478 | if (count >= actual) | |
479 | for (i = 0; i < actual; ++i) | |
480 | if (__copy_in_user(&to[i], &list[i], | |
481 | offsetof(drm_buf_desc_t, flags))) | |
482 | return -EFAULT; | |
483 | ||
484 | if (__put_user(actual, &argp->count)) | |
485 | return -EFAULT; | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
490 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
491 | int idx; /**< Index into the master buffer list */ |
492 | int total; /**< Buffer size */ | |
493 | int used; /**< Amount of buffer in use (for DMA) */ | |
494 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
495 | } drm_buf_pub32_t; |
496 | ||
497 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
498 | int count; /**< Length of the buffer list */ |
499 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
500 | u32 list; /**< Buffer information */ | |
9a186645 DA |
501 | } drm_buf_map32_t; |
502 | ||
503 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
504 | unsigned long arg) | |
505 | { | |
506 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
507 | drm_buf_map32_t req32; | |
508 | drm_buf_pub32_t __user *list32; | |
509 | drm_buf_map_t __user *request; | |
510 | drm_buf_pub_t __user *list; | |
511 | int i, err; | |
512 | int count, actual; | |
513 | size_t nbytes; | |
514 | void __user *addr; | |
515 | ||
516 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
517 | return -EFAULT; | |
518 | count = req32.count; | |
519 | list32 = (void __user *)(unsigned long)req32.list; | |
520 | ||
521 | if (count < 0) | |
522 | return -EINVAL; | |
523 | nbytes = sizeof(*request) + count * sizeof(drm_buf_pub_t); | |
524 | request = compat_alloc_user_space(nbytes); | |
525 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
526 | return -EFAULT; | |
527 | list = (drm_buf_pub_t *) (request + 1); | |
528 | ||
529 | if (__put_user(count, &request->count) | |
530 | || __put_user(list, &request->list)) | |
531 | return -EFAULT; | |
532 | ||
533 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 534 | DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
535 | if (err) |
536 | return err; | |
537 | ||
538 | if (__get_user(actual, &request->count)) | |
539 | return -EFAULT; | |
540 | if (count >= actual) | |
541 | for (i = 0; i < actual; ++i) | |
542 | if (__copy_in_user(&list32[i], &list[i], | |
543 | offsetof(drm_buf_pub_t, address)) | |
544 | || __get_user(addr, &list[i].address) | |
b5e89ed5 | 545 | || __put_user((unsigned long)addr, |
9a186645 DA |
546 | &list32[i].address)) |
547 | return -EFAULT; | |
548 | ||
549 | if (__put_user(actual, &argp->count) | |
550 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 551 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
552 | return -EFAULT; |
553 | ||
554 | return 0; | |
555 | } | |
556 | ||
557 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
558 | int count; |
559 | u32 list; | |
9a186645 DA |
560 | } drm_buf_free32_t; |
561 | ||
562 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
563 | unsigned long arg) | |
564 | { | |
565 | drm_buf_free32_t req32; | |
566 | drm_buf_free_t __user *request; | |
567 | drm_buf_free32_t __user *argp = (void __user *)arg; | |
568 | ||
569 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
570 | return -EFAULT; | |
571 | ||
572 | request = compat_alloc_user_space(sizeof(*request)); | |
573 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
574 | return -EFAULT; | |
575 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 576 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
577 | &request->list)) |
578 | return -EFAULT; | |
579 | ||
580 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 581 | DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
582 | } |
583 | ||
584 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
585 | unsigned int ctx_id; /**< Context requesting private mapping */ |
586 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
587 | } drm_ctx_priv_map32_t; |
588 | ||
589 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
590 | unsigned long arg) | |
591 | { | |
592 | drm_ctx_priv_map32_t req32; | |
593 | drm_ctx_priv_map_t __user *request; | |
594 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; | |
595 | ||
596 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
597 | return -EFAULT; | |
598 | ||
599 | request = compat_alloc_user_space(sizeof(*request)); | |
600 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
601 | return -EFAULT; | |
602 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 603 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
604 | &request->handle)) |
605 | return -EFAULT; | |
606 | ||
607 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 608 | DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
609 | } |
610 | ||
611 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
612 | unsigned long arg) | |
613 | { | |
614 | drm_ctx_priv_map_t __user *request; | |
615 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; | |
616 | int err; | |
617 | unsigned int ctx_id; | |
618 | void *handle; | |
619 | ||
620 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
621 | || __get_user(ctx_id, &argp->ctx_id)) | |
622 | return -EFAULT; | |
623 | ||
624 | request = compat_alloc_user_space(sizeof(*request)); | |
625 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
626 | return -EFAULT; | |
627 | if (__put_user(ctx_id, &request->ctx_id)) | |
628 | return -EFAULT; | |
629 | ||
630 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 631 | DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
632 | if (err) |
633 | return err; | |
634 | ||
635 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 636 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
637 | return -EFAULT; |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
642 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
643 | int count; |
644 | u32 contexts; | |
9a186645 DA |
645 | } drm_ctx_res32_t; |
646 | ||
647 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
648 | unsigned long arg) | |
649 | { | |
650 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
651 | drm_ctx_res32_t res32; | |
652 | drm_ctx_res_t __user *res; | |
653 | int err; | |
654 | ||
655 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
656 | return -EFAULT; | |
657 | ||
658 | res = compat_alloc_user_space(sizeof(*res)); | |
659 | if (!access_ok(VERIFY_WRITE, res, sizeof(*res))) | |
660 | return -EFAULT; | |
661 | if (__put_user(res32.count, &res->count) | |
b5e89ed5 | 662 | || __put_user((drm_ctx_t __user *) (unsigned long)res32.contexts, |
9a186645 DA |
663 | &res->contexts)) |
664 | return -EFAULT; | |
665 | ||
666 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 667 | DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
668 | if (err) |
669 | return err; | |
670 | ||
671 | if (__get_user(res32.count, &res->count) | |
672 | || __put_user(res32.count, &argp->count)) | |
673 | return -EFAULT; | |
674 | ||
675 | return 0; | |
676 | } | |
677 | ||
678 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
679 | int context; /**< Context handle */ |
680 | int send_count; /**< Number of buffers to send */ | |
681 | u32 send_indices; /**< List of handles to buffers */ | |
682 | u32 send_sizes; /**< Lengths of data to send */ | |
9a186645 | 683 | drm_dma_flags_t flags; /**< Flags */ |
b5e89ed5 DA |
684 | int request_count; /**< Number of buffers requested */ |
685 | int request_size; /**< Desired size for buffers */ | |
686 | u32 request_indices; /**< Buffer information */ | |
687 | u32 request_sizes; | |
688 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
689 | } drm_dma32_t; |
690 | ||
691 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
692 | unsigned long arg) | |
693 | { | |
694 | drm_dma32_t d32; | |
b5e89ed5 | 695 | drm_dma32_t __user *argp = (void __user *)arg; |
9a186645 DA |
696 | drm_dma_t __user *d; |
697 | int err; | |
698 | ||
699 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
700 | return -EFAULT; | |
701 | ||
702 | d = compat_alloc_user_space(sizeof(*d)); | |
703 | if (!access_ok(VERIFY_WRITE, d, sizeof(*d))) | |
704 | return -EFAULT; | |
705 | ||
706 | if (__put_user(d32.context, &d->context) | |
707 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 708 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 709 | &d->send_indices) |
b5e89ed5 | 710 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
711 | &d->send_sizes) |
712 | || __put_user(d32.flags, &d->flags) | |
713 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 714 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 715 | &d->request_indices) |
b5e89ed5 | 716 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
717 | &d->request_sizes)) |
718 | return -EFAULT; | |
719 | ||
720 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 721 | DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
722 | if (err) |
723 | return err; | |
724 | ||
725 | if (__get_user(d32.request_size, &d->request_size) | |
726 | || __get_user(d32.granted_count, &d->granted_count) | |
727 | || __put_user(d32.request_size, &argp->request_size) | |
728 | || __put_user(d32.granted_count, &argp->granted_count)) | |
729 | return -EFAULT; | |
730 | ||
731 | return 0; | |
732 | } | |
733 | ||
734 | #if __OS_HAS_AGP | |
735 | typedef struct drm_agp_mode32 { | |
736 | u32 mode; /**< AGP mode */ | |
737 | } drm_agp_mode32_t; | |
738 | ||
739 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
740 | unsigned long arg) | |
741 | { | |
742 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
743 | drm_agp_mode32_t m32; | |
744 | drm_agp_mode_t __user *mode; | |
745 | ||
746 | if (get_user(m32.mode, &argp->mode)) | |
747 | return -EFAULT; | |
748 | ||
749 | mode = compat_alloc_user_space(sizeof(*mode)); | |
750 | if (put_user(m32.mode, &mode->mode)) | |
751 | return -EFAULT; | |
752 | ||
753 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 754 | DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
755 | } |
756 | ||
757 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
758 | int agp_version_major; |
759 | int agp_version_minor; | |
760 | u32 mode; | |
761 | u32 aperture_base; /* physical address */ | |
762 | u32 aperture_size; /* bytes */ | |
763 | u32 memory_allowed; /* bytes */ | |
764 | u32 memory_used; | |
765 | ||
766 | /* PCI information */ | |
9a186645 DA |
767 | unsigned short id_vendor; |
768 | unsigned short id_device; | |
769 | } drm_agp_info32_t; | |
770 | ||
771 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
772 | unsigned long arg) | |
773 | { | |
774 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
775 | drm_agp_info32_t i32; | |
776 | drm_agp_info_t __user *info; | |
777 | int err; | |
778 | ||
779 | info = compat_alloc_user_space(sizeof(*info)); | |
780 | if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) | |
781 | return -EFAULT; | |
782 | ||
783 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 784 | DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
785 | if (err) |
786 | return err; | |
787 | ||
788 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
789 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
790 | || __get_user(i32.mode, &info->mode) | |
791 | || __get_user(i32.aperture_base, &info->aperture_base) | |
792 | || __get_user(i32.aperture_size, &info->aperture_size) | |
793 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
794 | || __get_user(i32.memory_used, &info->memory_used) | |
795 | || __get_user(i32.id_vendor, &info->id_vendor) | |
796 | || __get_user(i32.id_device, &info->id_device)) | |
797 | return -EFAULT; | |
798 | ||
799 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
800 | return -EFAULT; | |
801 | ||
802 | return 0; | |
803 | } | |
804 | ||
805 | typedef struct drm_agp_buffer32 { | |
806 | u32 size; /**< In bytes -- will round to page boundary */ | |
807 | u32 handle; /**< Used for binding / unbinding */ | |
808 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 809 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
810 | } drm_agp_buffer32_t; |
811 | ||
812 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
813 | unsigned long arg) | |
814 | { | |
815 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
816 | drm_agp_buffer32_t req32; | |
817 | drm_agp_buffer_t __user *request; | |
818 | int err; | |
819 | ||
820 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
821 | return -EFAULT; | |
822 | ||
823 | request = compat_alloc_user_space(sizeof(*request)); | |
824 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
825 | || __put_user(req32.size, &request->size) | |
826 | || __put_user(req32.type, &request->type)) | |
827 | return -EFAULT; | |
828 | ||
829 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 830 | DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
831 | if (err) |
832 | return err; | |
833 | ||
834 | if (__get_user(req32.handle, &request->handle) | |
835 | || __get_user(req32.physical, &request->physical) | |
836 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
837 | drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 838 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
839 | return -EFAULT; |
840 | } | |
841 | ||
842 | return 0; | |
843 | } | |
844 | ||
845 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
846 | unsigned long arg) | |
847 | { | |
848 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
849 | drm_agp_buffer_t __user *request; | |
850 | u32 handle; | |
851 | ||
852 | request = compat_alloc_user_space(sizeof(*request)); | |
853 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
854 | || get_user(handle, &argp->handle) | |
855 | || __put_user(handle, &request->handle)) | |
856 | return -EFAULT; | |
857 | ||
858 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 859 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
860 | } |
861 | ||
862 | typedef struct drm_agp_binding32 { | |
863 | u32 handle; /**< From drm_agp_buffer */ | |
864 | u32 offset; /**< In bytes -- will round to page boundary */ | |
865 | } drm_agp_binding32_t; | |
866 | ||
867 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
868 | unsigned long arg) | |
869 | { | |
870 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
871 | drm_agp_binding32_t req32; | |
872 | drm_agp_binding_t __user *request; | |
873 | ||
874 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
875 | return -EFAULT; | |
876 | ||
877 | request = compat_alloc_user_space(sizeof(*request)); | |
878 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
879 | || __put_user(req32.handle, &request->handle) | |
880 | || __put_user(req32.offset, &request->offset)) | |
881 | return -EFAULT; | |
882 | ||
883 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 884 | DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
885 | } |
886 | ||
887 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
888 | unsigned long arg) | |
889 | { | |
890 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
891 | drm_agp_binding_t __user *request; | |
892 | u32 handle; | |
893 | ||
894 | request = compat_alloc_user_space(sizeof(*request)); | |
895 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
896 | || get_user(handle, &argp->handle) | |
897 | || __put_user(handle, &request->handle)) | |
898 | return -EFAULT; | |
899 | ||
900 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 901 | DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 902 | } |
b5e89ed5 | 903 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
904 | |
905 | typedef struct drm_scatter_gather32 { | |
906 | u32 size; /**< In bytes -- will round to page boundary */ | |
907 | u32 handle; /**< Used for mapping / unmapping */ | |
908 | } drm_scatter_gather32_t; | |
909 | ||
910 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
911 | unsigned long arg) | |
912 | { | |
913 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
914 | drm_scatter_gather_t __user *request; | |
915 | int err; | |
916 | unsigned long x; | |
917 | ||
918 | request = compat_alloc_user_space(sizeof(*request)); | |
919 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
920 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
921 | || __get_user(x, &argp->size) | |
922 | || __put_user(x, &request->size)) | |
923 | return -EFAULT; | |
924 | ||
925 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 926 | DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
927 | if (err) |
928 | return err; | |
929 | ||
930 | /* XXX not sure about the handle conversion here... */ | |
931 | if (__get_user(x, &request->handle) | |
932 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
933 | return -EFAULT; | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
938 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
939 | unsigned long arg) | |
940 | { | |
941 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
942 | drm_scatter_gather_t __user *request; | |
943 | unsigned long x; | |
944 | ||
945 | request = compat_alloc_user_space(sizeof(*request)); | |
946 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
947 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
948 | || __get_user(x, &argp->handle) | |
949 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
950 | return -EFAULT; | |
951 | ||
952 | return drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 953 | DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
954 | } |
955 | ||
956 | struct drm_wait_vblank_request32 { | |
957 | drm_vblank_seq_type_t type; | |
958 | unsigned int sequence; | |
959 | u32 signal; | |
960 | }; | |
961 | ||
962 | struct drm_wait_vblank_reply32 { | |
963 | drm_vblank_seq_type_t type; | |
964 | unsigned int sequence; | |
965 | s32 tval_sec; | |
966 | s32 tval_usec; | |
967 | }; | |
968 | ||
969 | typedef union drm_wait_vblank32 { | |
970 | struct drm_wait_vblank_request32 request; | |
971 | struct drm_wait_vblank_reply32 reply; | |
972 | } drm_wait_vblank32_t; | |
973 | ||
974 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
975 | unsigned long arg) | |
976 | { | |
977 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
978 | drm_wait_vblank32_t req32; | |
979 | drm_wait_vblank_t __user *request; | |
980 | int err; | |
981 | ||
982 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
983 | return -EFAULT; | |
984 | ||
985 | request = compat_alloc_user_space(sizeof(*request)); | |
986 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
987 | || __put_user(req32.request.type, &request->request.type) | |
988 | || __put_user(req32.request.sequence, &request->request.sequence) | |
989 | || __put_user(req32.request.signal, &request->request.signal)) | |
990 | return -EFAULT; | |
991 | ||
992 | err = drm_ioctl(file->f_dentry->d_inode, file, | |
b5e89ed5 | 993 | DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
994 | if (err) |
995 | return err; | |
996 | ||
997 | if (__get_user(req32.reply.type, &request->reply.type) | |
998 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
999 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
1000 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1001 | return -EFAULT; | |
1002 | ||
1003 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1004 | return -EFAULT; | |
1005 | ||
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | drm_ioctl_compat_t *drm_compat_ioctls[] = { | |
1010 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, | |
1011 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1012 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1013 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1014 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1015 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1016 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1017 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1018 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1019 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1020 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1021 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1022 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1023 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1024 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1025 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1026 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1027 | #if __OS_HAS_AGP | |
1028 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1029 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1030 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1031 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1032 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1033 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1034 | #endif | |
1035 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1036 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
1037 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, | |
1038 | }; | |
1039 | ||
1040 | /** | |
1041 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1042 | * performs an ioctl on /dev/drm. | |
1043 | * | |
1044 | * \param filp file pointer. | |
1045 | * \param cmd command. | |
1046 | * \param arg user argument. | |
1047 | * \return zero on success or negative number on failure. | |
1048 | */ | |
1049 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1050 | { | |
1051 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1052 | drm_ioctl_compat_t *fn; | |
1053 | int ret; | |
1054 | ||
1055 | if (nr >= DRM_ARRAY_SIZE(drm_compat_ioctls)) | |
1056 | return -ENOTTY; | |
1057 | ||
1058 | fn = drm_compat_ioctls[nr]; | |
1059 | ||
1060 | lock_kernel(); /* XXX for now */ | |
1061 | if (fn != NULL) | |
b5e89ed5 | 1062 | ret = (*fn) (filp, cmd, arg); |
9a186645 DA |
1063 | else |
1064 | ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); | |
1065 | unlock_kernel(); | |
1066 | ||
1067 | return ret; | |
1068 | } | |
b5e89ed5 | 1069 | |
9a186645 | 1070 | EXPORT_SYMBOL(drm_compat_ioctl); |