Commit | Line | Data |
---|---|---|
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> | |
9a186645 DA |
31 | |
32 | #include "drmP.h" | |
33 | #include "drm_core.h" | |
34 | ||
35 | #define DRM_IOCTL_VERSION32 DRM_IOWR(0x00, drm_version32_t) | |
36 | #define DRM_IOCTL_GET_UNIQUE32 DRM_IOWR(0x01, drm_unique32_t) | |
37 | #define DRM_IOCTL_GET_MAP32 DRM_IOWR(0x04, drm_map32_t) | |
38 | #define DRM_IOCTL_GET_CLIENT32 DRM_IOWR(0x05, drm_client32_t) | |
39 | #define DRM_IOCTL_GET_STATS32 DRM_IOR( 0x06, drm_stats32_t) | |
40 | ||
41 | #define DRM_IOCTL_SET_UNIQUE32 DRM_IOW( 0x10, drm_unique32_t) | |
42 | #define DRM_IOCTL_ADD_MAP32 DRM_IOWR(0x15, drm_map32_t) | |
43 | #define DRM_IOCTL_ADD_BUFS32 DRM_IOWR(0x16, drm_buf_desc32_t) | |
44 | #define DRM_IOCTL_MARK_BUFS32 DRM_IOW( 0x17, drm_buf_desc32_t) | |
45 | #define DRM_IOCTL_INFO_BUFS32 DRM_IOWR(0x18, drm_buf_info32_t) | |
46 | #define DRM_IOCTL_MAP_BUFS32 DRM_IOWR(0x19, drm_buf_map32_t) | |
47 | #define DRM_IOCTL_FREE_BUFS32 DRM_IOW( 0x1a, drm_buf_free32_t) | |
48 | ||
49 | #define DRM_IOCTL_RM_MAP32 DRM_IOW( 0x1b, drm_map32_t) | |
50 | ||
51 | #define DRM_IOCTL_SET_SAREA_CTX32 DRM_IOW( 0x1c, drm_ctx_priv_map32_t) | |
52 | #define DRM_IOCTL_GET_SAREA_CTX32 DRM_IOWR(0x1d, drm_ctx_priv_map32_t) | |
53 | ||
54 | #define DRM_IOCTL_RES_CTX32 DRM_IOWR(0x26, drm_ctx_res32_t) | |
55 | #define DRM_IOCTL_DMA32 DRM_IOWR(0x29, drm_dma32_t) | |
56 | ||
57 | #define DRM_IOCTL_AGP_ENABLE32 DRM_IOW( 0x32, drm_agp_mode32_t) | |
58 | #define DRM_IOCTL_AGP_INFO32 DRM_IOR( 0x33, drm_agp_info32_t) | |
59 | #define DRM_IOCTL_AGP_ALLOC32 DRM_IOWR(0x34, drm_agp_buffer32_t) | |
60 | #define DRM_IOCTL_AGP_FREE32 DRM_IOW( 0x35, drm_agp_buffer32_t) | |
61 | #define DRM_IOCTL_AGP_BIND32 DRM_IOW( 0x36, drm_agp_binding32_t) | |
62 | #define DRM_IOCTL_AGP_UNBIND32 DRM_IOW( 0x37, drm_agp_binding32_t) | |
63 | ||
64 | #define DRM_IOCTL_SG_ALLOC32 DRM_IOW( 0x38, drm_scatter_gather32_t) | |
65 | #define DRM_IOCTL_SG_FREE32 DRM_IOW( 0x39, drm_scatter_gather32_t) | |
66 | ||
49568873 EA |
67 | #define DRM_IOCTL_UPDATE_DRAW32 DRM_IOW( 0x3f, drm_update_draw32_t) |
68 | ||
9a186645 DA |
69 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) |
70 | ||
71 | typedef struct drm_version_32 { | |
b5e89ed5 DA |
72 | int version_major; /**< Major version */ |
73 | int version_minor; /**< Minor version */ | |
74 | int version_patchlevel; /**< Patch level */ | |
75 | u32 name_len; /**< Length of name buffer */ | |
76 | u32 name; /**< Name of driver */ | |
77 | u32 date_len; /**< Length of date buffer */ | |
78 | u32 date; /**< User-space buffer to hold date */ | |
79 | u32 desc_len; /**< Length of desc buffer */ | |
80 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
81 | } drm_version32_t; |
82 | ||
83 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
84 | unsigned long arg) | |
85 | { | |
86 | drm_version32_t v32; | |
ff4135ae | 87 | struct drm_version __user *version; |
9a186645 DA |
88 | int err; |
89 | ||
b5e89ed5 | 90 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
91 | return -EFAULT; |
92 | ||
93 | version = compat_alloc_user_space(sizeof(*version)); | |
94 | if (!access_ok(VERIFY_WRITE, version, sizeof(*version))) | |
95 | return -EFAULT; | |
96 | if (__put_user(v32.name_len, &version->name_len) | |
97 | || __put_user((void __user *)(unsigned long)v32.name, | |
98 | &version->name) | |
99 | || __put_user(v32.date_len, &version->date_len) | |
100 | || __put_user((void __user *)(unsigned long)v32.date, | |
101 | &version->date) | |
102 | || __put_user(v32.desc_len, &version->desc_len) | |
103 | || __put_user((void __user *)(unsigned long)v32.desc, | |
104 | &version->desc)) | |
105 | return -EFAULT; | |
106 | ||
ed8b6704 | 107 | err = drm_ioctl(file, |
b5e89ed5 | 108 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
109 | if (err) |
110 | return err; | |
111 | ||
112 | if (__get_user(v32.version_major, &version->version_major) | |
113 | || __get_user(v32.version_minor, &version->version_minor) | |
114 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
115 | || __get_user(v32.name_len, &version->name_len) | |
116 | || __get_user(v32.date_len, &version->date_len) | |
117 | || __get_user(v32.desc_len, &version->desc_len)) | |
118 | return -EFAULT; | |
119 | ||
b5e89ed5 | 120 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
121 | return -EFAULT; |
122 | return 0; | |
123 | } | |
124 | ||
125 | typedef struct drm_unique32 { | |
126 | u32 unique_len; /**< Length of unique */ | |
127 | u32 unique; /**< Unique name for driver instantiation */ | |
128 | } drm_unique32_t; | |
129 | ||
130 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
131 | unsigned long arg) | |
132 | { | |
133 | drm_unique32_t uq32; | |
ff4135ae | 134 | struct drm_unique __user *u; |
9a186645 DA |
135 | int err; |
136 | ||
b5e89ed5 | 137 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
138 | return -EFAULT; |
139 | ||
140 | u = compat_alloc_user_space(sizeof(*u)); | |
141 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
142 | return -EFAULT; | |
143 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 144 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
145 | &u->unique)) |
146 | return -EFAULT; | |
147 | ||
ed8b6704 | 148 | err = drm_ioctl(file, 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; | |
ff4135ae | 163 | struct drm_unique __user *u; |
9a186645 | 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 | ||
ed8b6704 | 176 | return drm_ioctl(file, DRM_IOCTL_SET_UNIQUE, (unsigned long)u); |
9a186645 DA |
177 | } |
178 | ||
179 | typedef struct drm_map32 { | |
b5e89ed5 DA |
180 | u32 offset; /**< Requested physical address (0 for SAREA)*/ |
181 | u32 size; /**< Requested physical size (bytes) */ | |
ff4135ae DA |
182 | enum drm_map_type type; /**< Type of memory to map */ |
183 | enum drm_map_flags flags; /**< Flags */ | |
b5e89ed5 DA |
184 | u32 handle; /**< User-space: "Handle" to pass to mmap() */ |
185 | int mtrr; /**< MTRR slot used */ | |
9a186645 DA |
186 | } drm_map32_t; |
187 | ||
188 | static int compat_drm_getmap(struct file *file, unsigned int cmd, | |
189 | unsigned long arg) | |
190 | { | |
191 | drm_map32_t __user *argp = (void __user *)arg; | |
192 | drm_map32_t m32; | |
ff4135ae | 193 | struct drm_map __user *map; |
9a186645 DA |
194 | int idx, err; |
195 | void *handle; | |
196 | ||
197 | if (get_user(idx, &argp->offset)) | |
198 | return -EFAULT; | |
199 | ||
200 | map = compat_alloc_user_space(sizeof(*map)); | |
201 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
202 | return -EFAULT; | |
203 | if (__put_user(idx, &map->offset)) | |
204 | return -EFAULT; | |
205 | ||
ed8b6704 | 206 | err = drm_ioctl(file, DRM_IOCTL_GET_MAP, (unsigned long)map); |
9a186645 DA |
207 | if (err) |
208 | return err; | |
209 | ||
210 | if (__get_user(m32.offset, &map->offset) | |
211 | || __get_user(m32.size, &map->size) | |
212 | || __get_user(m32.type, &map->type) | |
213 | || __get_user(m32.flags, &map->flags) | |
214 | || __get_user(handle, &map->handle) | |
215 | || __get_user(m32.mtrr, &map->mtrr)) | |
216 | return -EFAULT; | |
217 | ||
b5e89ed5 | 218 | m32.handle = (unsigned long)handle; |
9a186645 DA |
219 | if (copy_to_user(argp, &m32, sizeof(m32))) |
220 | return -EFAULT; | |
221 | return 0; | |
222 | ||
223 | } | |
224 | ||
225 | static int compat_drm_addmap(struct file *file, unsigned int cmd, | |
226 | unsigned long arg) | |
227 | { | |
228 | drm_map32_t __user *argp = (void __user *)arg; | |
229 | drm_map32_t m32; | |
ff4135ae | 230 | struct drm_map __user *map; |
9a186645 DA |
231 | int err; |
232 | void *handle; | |
233 | ||
234 | if (copy_from_user(&m32, argp, sizeof(m32))) | |
235 | return -EFAULT; | |
236 | ||
237 | map = compat_alloc_user_space(sizeof(*map)); | |
238 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
239 | return -EFAULT; | |
240 | if (__put_user(m32.offset, &map->offset) | |
241 | || __put_user(m32.size, &map->size) | |
242 | || __put_user(m32.type, &map->type) | |
243 | || __put_user(m32.flags, &map->flags)) | |
244 | return -EFAULT; | |
245 | ||
ed8b6704 | 246 | err = drm_ioctl(file, DRM_IOCTL_ADD_MAP, (unsigned long)map); |
9a186645 DA |
247 | if (err) |
248 | return err; | |
249 | ||
250 | if (__get_user(m32.offset, &map->offset) | |
251 | || __get_user(m32.mtrr, &map->mtrr) | |
252 | || __get_user(handle, &map->handle)) | |
253 | return -EFAULT; | |
254 | ||
b5e89ed5 DA |
255 | m32.handle = (unsigned long)handle; |
256 | if (m32.handle != (unsigned long)handle && printk_ratelimit()) | |
9a186645 DA |
257 | printk(KERN_ERR "compat_drm_addmap truncated handle" |
258 | " %p for type %d offset %x\n", | |
259 | handle, m32.type, m32.offset); | |
260 | ||
261 | if (copy_to_user(argp, &m32, sizeof(m32))) | |
262 | return -EFAULT; | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
267 | static int compat_drm_rmmap(struct file *file, unsigned int cmd, | |
268 | unsigned long arg) | |
269 | { | |
270 | drm_map32_t __user *argp = (void __user *)arg; | |
ff4135ae | 271 | struct drm_map __user *map; |
9a186645 DA |
272 | u32 handle; |
273 | ||
274 | if (get_user(handle, &argp->handle)) | |
275 | return -EFAULT; | |
276 | ||
277 | map = compat_alloc_user_space(sizeof(*map)); | |
278 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
279 | return -EFAULT; | |
b5e89ed5 | 280 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
281 | return -EFAULT; |
282 | ||
ed8b6704 | 283 | return drm_ioctl(file, DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
284 | } |
285 | ||
286 | typedef struct drm_client32 { | |
b5e89ed5 DA |
287 | int idx; /**< Which client desired? */ |
288 | int auth; /**< Is client authenticated? */ | |
289 | u32 pid; /**< Process ID */ | |
290 | u32 uid; /**< User ID */ | |
291 | u32 magic; /**< Magic */ | |
292 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
293 | } drm_client32_t; |
294 | ||
295 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
296 | unsigned long arg) | |
297 | { | |
298 | drm_client32_t c32; | |
299 | drm_client32_t __user *argp = (void __user *)arg; | |
ff4135ae | 300 | struct drm_client __user *client; |
9a186645 DA |
301 | int idx, err; |
302 | ||
303 | if (get_user(idx, &argp->idx)) | |
304 | return -EFAULT; | |
305 | ||
306 | client = compat_alloc_user_space(sizeof(*client)); | |
307 | if (!access_ok(VERIFY_WRITE, client, sizeof(*client))) | |
308 | return -EFAULT; | |
309 | if (__put_user(idx, &client->idx)) | |
310 | return -EFAULT; | |
311 | ||
ed8b6704 | 312 | err = drm_ioctl(file, DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
313 | if (err) |
314 | return err; | |
315 | ||
316 | if (__get_user(c32.auth, &client->auth) | |
317 | || __get_user(c32.pid, &client->pid) | |
318 | || __get_user(c32.uid, &client->uid) | |
319 | || __get_user(c32.magic, &client->magic) | |
320 | || __get_user(c32.iocs, &client->iocs)) | |
321 | return -EFAULT; | |
322 | ||
323 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
324 | return -EFAULT; | |
325 | return 0; | |
326 | } | |
327 | ||
328 | typedef struct drm_stats32 { | |
329 | u32 count; | |
330 | struct { | |
331 | u32 value; | |
ff4135ae | 332 | enum drm_stat_type type; |
9a186645 DA |
333 | } data[15]; |
334 | } drm_stats32_t; | |
335 | ||
336 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
337 | unsigned long arg) | |
338 | { | |
339 | drm_stats32_t s32; | |
340 | drm_stats32_t __user *argp = (void __user *)arg; | |
ff4135ae | 341 | struct drm_stats __user *stats; |
9a186645 DA |
342 | int i, err; |
343 | ||
344 | stats = compat_alloc_user_space(sizeof(*stats)); | |
345 | if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) | |
346 | return -EFAULT; | |
347 | ||
ed8b6704 | 348 | err = drm_ioctl(file, DRM_IOCTL_GET_STATS, (unsigned long)stats); |
9a186645 DA |
349 | if (err) |
350 | return err; | |
351 | ||
352 | if (__get_user(s32.count, &stats->count)) | |
353 | return -EFAULT; | |
354 | for (i = 0; i < 15; ++i) | |
355 | if (__get_user(s32.data[i].value, &stats->data[i].value) | |
356 | || __get_user(s32.data[i].type, &stats->data[i].type)) | |
357 | return -EFAULT; | |
358 | ||
359 | if (copy_to_user(argp, &s32, sizeof(s32))) | |
360 | return -EFAULT; | |
361 | return 0; | |
362 | } | |
363 | ||
364 | typedef struct drm_buf_desc32 { | |
b5e89ed5 DA |
365 | int count; /**< Number of buffers of this size */ |
366 | int size; /**< Size in bytes */ | |
367 | int low_mark; /**< Low water mark */ | |
368 | int high_mark; /**< High water mark */ | |
369 | int flags; | |
370 | u32 agp_start; /**< Start address in the AGP aperture */ | |
9a186645 DA |
371 | } drm_buf_desc32_t; |
372 | ||
373 | static int compat_drm_addbufs(struct file *file, unsigned int cmd, | |
374 | unsigned long arg) | |
375 | { | |
376 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 377 | struct drm_buf_desc __user *buf; |
9a186645 DA |
378 | int err; |
379 | unsigned long agp_start; | |
380 | ||
381 | buf = compat_alloc_user_space(sizeof(*buf)); | |
382 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)) | |
383 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) | |
384 | return -EFAULT; | |
385 | ||
386 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
387 | || __get_user(agp_start, &argp->agp_start) | |
388 | || __put_user(agp_start, &buf->agp_start)) | |
389 | return -EFAULT; | |
390 | ||
ed8b6704 | 391 | err = drm_ioctl(file, DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
392 | if (err) |
393 | return err; | |
394 | ||
395 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
396 | || __get_user(agp_start, &buf->agp_start) | |
397 | || __put_user(agp_start, &argp->agp_start)) | |
398 | return -EFAULT; | |
399 | ||
400 | return 0; | |
401 | } | |
402 | ||
403 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
404 | unsigned long arg) | |
405 | { | |
406 | drm_buf_desc32_t b32; | |
407 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 408 | struct drm_buf_desc __user *buf; |
9a186645 DA |
409 | |
410 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
411 | return -EFAULT; | |
412 | ||
413 | buf = compat_alloc_user_space(sizeof(*buf)); | |
414 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | |
415 | return -EFAULT; | |
416 | ||
417 | if (__put_user(b32.size, &buf->size) | |
418 | || __put_user(b32.low_mark, &buf->low_mark) | |
419 | || __put_user(b32.high_mark, &buf->high_mark)) | |
420 | return -EFAULT; | |
421 | ||
ed8b6704 | 422 | return drm_ioctl(file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
423 | } |
424 | ||
425 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
426 | int count; /**< Entries in list */ |
427 | u32 list; | |
9a186645 DA |
428 | } drm_buf_info32_t; |
429 | ||
430 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
431 | unsigned long arg) | |
432 | { | |
433 | drm_buf_info32_t req32; | |
434 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
435 | drm_buf_desc32_t __user *to; | |
ff4135ae DA |
436 | struct drm_buf_info __user *request; |
437 | struct drm_buf_desc __user *list; | |
9a186645 DA |
438 | size_t nbytes; |
439 | int i, err; | |
440 | int count, actual; | |
441 | ||
442 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
443 | return -EFAULT; | |
444 | ||
445 | count = req32.count; | |
b5e89ed5 | 446 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
447 | if (count < 0) |
448 | count = 0; | |
449 | if (count > 0 | |
450 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
451 | return -EFAULT; | |
452 | ||
ff4135ae | 453 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc); |
9a186645 DA |
454 | request = compat_alloc_user_space(nbytes); |
455 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
456 | return -EFAULT; | |
ff4135ae | 457 | list = (struct drm_buf_desc *) (request + 1); |
9a186645 DA |
458 | |
459 | if (__put_user(count, &request->count) | |
460 | || __put_user(list, &request->list)) | |
461 | return -EFAULT; | |
462 | ||
ed8b6704 | 463 | err = drm_ioctl(file, DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
464 | if (err) |
465 | return err; | |
466 | ||
467 | if (__get_user(actual, &request->count)) | |
468 | return -EFAULT; | |
469 | if (count >= actual) | |
470 | for (i = 0; i < actual; ++i) | |
471 | if (__copy_in_user(&to[i], &list[i], | |
ff4135ae | 472 | offsetof(struct drm_buf_desc, flags))) |
9a186645 DA |
473 | return -EFAULT; |
474 | ||
475 | if (__put_user(actual, &argp->count)) | |
476 | return -EFAULT; | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
482 | int idx; /**< Index into the master buffer list */ |
483 | int total; /**< Buffer size */ | |
484 | int used; /**< Amount of buffer in use (for DMA) */ | |
485 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
486 | } drm_buf_pub32_t; |
487 | ||
488 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
489 | int count; /**< Length of the buffer list */ |
490 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
491 | u32 list; /**< Buffer information */ | |
9a186645 DA |
492 | } drm_buf_map32_t; |
493 | ||
494 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
495 | unsigned long arg) | |
496 | { | |
497 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
498 | drm_buf_map32_t req32; | |
499 | drm_buf_pub32_t __user *list32; | |
ff4135ae DA |
500 | struct drm_buf_map __user *request; |
501 | struct drm_buf_pub __user *list; | |
9a186645 DA |
502 | int i, err; |
503 | int count, actual; | |
504 | size_t nbytes; | |
505 | void __user *addr; | |
506 | ||
507 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
508 | return -EFAULT; | |
509 | count = req32.count; | |
510 | list32 = (void __user *)(unsigned long)req32.list; | |
511 | ||
512 | if (count < 0) | |
513 | return -EINVAL; | |
ff4135ae | 514 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub); |
9a186645 DA |
515 | request = compat_alloc_user_space(nbytes); |
516 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
517 | return -EFAULT; | |
ff4135ae | 518 | list = (struct drm_buf_pub *) (request + 1); |
9a186645 DA |
519 | |
520 | if (__put_user(count, &request->count) | |
521 | || __put_user(list, &request->list)) | |
522 | return -EFAULT; | |
523 | ||
ed8b6704 | 524 | err = drm_ioctl(file, DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
525 | if (err) |
526 | return err; | |
527 | ||
528 | if (__get_user(actual, &request->count)) | |
529 | return -EFAULT; | |
530 | if (count >= actual) | |
531 | for (i = 0; i < actual; ++i) | |
532 | if (__copy_in_user(&list32[i], &list[i], | |
ff4135ae | 533 | offsetof(struct drm_buf_pub, address)) |
9a186645 | 534 | || __get_user(addr, &list[i].address) |
b5e89ed5 | 535 | || __put_user((unsigned long)addr, |
9a186645 DA |
536 | &list32[i].address)) |
537 | return -EFAULT; | |
538 | ||
539 | if (__put_user(actual, &argp->count) | |
540 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 541 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
542 | return -EFAULT; |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
547 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
548 | int count; |
549 | u32 list; | |
9a186645 DA |
550 | } drm_buf_free32_t; |
551 | ||
552 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
553 | unsigned long arg) | |
554 | { | |
555 | drm_buf_free32_t req32; | |
ff4135ae | 556 | struct drm_buf_free __user *request; |
9a186645 DA |
557 | drm_buf_free32_t __user *argp = (void __user *)arg; |
558 | ||
559 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
560 | return -EFAULT; | |
561 | ||
562 | request = compat_alloc_user_space(sizeof(*request)); | |
563 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
564 | return -EFAULT; | |
565 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 566 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
567 | &request->list)) |
568 | return -EFAULT; | |
569 | ||
ed8b6704 | 570 | return drm_ioctl(file, DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
571 | } |
572 | ||
573 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
574 | unsigned int ctx_id; /**< Context requesting private mapping */ |
575 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
576 | } drm_ctx_priv_map32_t; |
577 | ||
578 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
579 | unsigned long arg) | |
580 | { | |
581 | drm_ctx_priv_map32_t req32; | |
ff4135ae | 582 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
583 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
584 | ||
585 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
586 | return -EFAULT; | |
587 | ||
588 | request = compat_alloc_user_space(sizeof(*request)); | |
589 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
590 | return -EFAULT; | |
591 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 592 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
593 | &request->handle)) |
594 | return -EFAULT; | |
595 | ||
ed8b6704 | 596 | return drm_ioctl(file, DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
597 | } |
598 | ||
599 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
600 | unsigned long arg) | |
601 | { | |
ff4135ae | 602 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
603 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
604 | int err; | |
605 | unsigned int ctx_id; | |
606 | void *handle; | |
607 | ||
608 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
609 | || __get_user(ctx_id, &argp->ctx_id)) | |
610 | return -EFAULT; | |
611 | ||
612 | request = compat_alloc_user_space(sizeof(*request)); | |
613 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
614 | return -EFAULT; | |
615 | if (__put_user(ctx_id, &request->ctx_id)) | |
616 | return -EFAULT; | |
617 | ||
ed8b6704 | 618 | err = drm_ioctl(file, DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
619 | if (err) |
620 | return err; | |
621 | ||
622 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 623 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
624 | return -EFAULT; |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
630 | int count; |
631 | u32 contexts; | |
9a186645 DA |
632 | } drm_ctx_res32_t; |
633 | ||
634 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
635 | unsigned long arg) | |
636 | { | |
637 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
638 | drm_ctx_res32_t res32; | |
ff4135ae | 639 | struct drm_ctx_res __user *res; |
9a186645 DA |
640 | int err; |
641 | ||
642 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
643 | return -EFAULT; | |
644 | ||
645 | res = compat_alloc_user_space(sizeof(*res)); | |
646 | if (!access_ok(VERIFY_WRITE, res, sizeof(*res))) | |
647 | return -EFAULT; | |
648 | if (__put_user(res32.count, &res->count) | |
ff4135ae | 649 | || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts, |
9a186645 DA |
650 | &res->contexts)) |
651 | return -EFAULT; | |
652 | ||
ed8b6704 | 653 | err = drm_ioctl(file, DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
654 | if (err) |
655 | return err; | |
656 | ||
657 | if (__get_user(res32.count, &res->count) | |
658 | || __put_user(res32.count, &argp->count)) | |
659 | return -EFAULT; | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
664 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
665 | int context; /**< Context handle */ |
666 | int send_count; /**< Number of buffers to send */ | |
667 | u32 send_indices; /**< List of handles to buffers */ | |
668 | u32 send_sizes; /**< Lengths of data to send */ | |
ff4135ae | 669 | enum drm_dma_flags flags; /**< Flags */ |
b5e89ed5 DA |
670 | int request_count; /**< Number of buffers requested */ |
671 | int request_size; /**< Desired size for buffers */ | |
672 | u32 request_indices; /**< Buffer information */ | |
673 | u32 request_sizes; | |
674 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
675 | } drm_dma32_t; |
676 | ||
677 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
678 | unsigned long arg) | |
679 | { | |
680 | drm_dma32_t d32; | |
b5e89ed5 | 681 | drm_dma32_t __user *argp = (void __user *)arg; |
ff4135ae | 682 | struct drm_dma __user *d; |
9a186645 DA |
683 | int err; |
684 | ||
685 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
686 | return -EFAULT; | |
687 | ||
688 | d = compat_alloc_user_space(sizeof(*d)); | |
689 | if (!access_ok(VERIFY_WRITE, d, sizeof(*d))) | |
690 | return -EFAULT; | |
691 | ||
692 | if (__put_user(d32.context, &d->context) | |
693 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 694 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 695 | &d->send_indices) |
b5e89ed5 | 696 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
697 | &d->send_sizes) |
698 | || __put_user(d32.flags, &d->flags) | |
699 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 700 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 701 | &d->request_indices) |
b5e89ed5 | 702 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
703 | &d->request_sizes)) |
704 | return -EFAULT; | |
705 | ||
ed8b6704 | 706 | err = drm_ioctl(file, DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
707 | if (err) |
708 | return err; | |
709 | ||
710 | if (__get_user(d32.request_size, &d->request_size) | |
711 | || __get_user(d32.granted_count, &d->granted_count) | |
712 | || __put_user(d32.request_size, &argp->request_size) | |
713 | || __put_user(d32.granted_count, &argp->granted_count)) | |
714 | return -EFAULT; | |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
719 | #if __OS_HAS_AGP | |
720 | typedef struct drm_agp_mode32 { | |
721 | u32 mode; /**< AGP mode */ | |
722 | } drm_agp_mode32_t; | |
723 | ||
724 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
725 | unsigned long arg) | |
726 | { | |
727 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
728 | drm_agp_mode32_t m32; | |
ff4135ae | 729 | struct drm_agp_mode __user *mode; |
9a186645 DA |
730 | |
731 | if (get_user(m32.mode, &argp->mode)) | |
732 | return -EFAULT; | |
733 | ||
734 | mode = compat_alloc_user_space(sizeof(*mode)); | |
735 | if (put_user(m32.mode, &mode->mode)) | |
736 | return -EFAULT; | |
737 | ||
ed8b6704 | 738 | return drm_ioctl(file, DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
739 | } |
740 | ||
741 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
742 | int agp_version_major; |
743 | int agp_version_minor; | |
744 | u32 mode; | |
745 | u32 aperture_base; /* physical address */ | |
746 | u32 aperture_size; /* bytes */ | |
747 | u32 memory_allowed; /* bytes */ | |
748 | u32 memory_used; | |
749 | ||
750 | /* PCI information */ | |
9a186645 DA |
751 | unsigned short id_vendor; |
752 | unsigned short id_device; | |
753 | } drm_agp_info32_t; | |
754 | ||
755 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
756 | unsigned long arg) | |
757 | { | |
758 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
759 | drm_agp_info32_t i32; | |
ff4135ae | 760 | struct drm_agp_info __user *info; |
9a186645 DA |
761 | int err; |
762 | ||
763 | info = compat_alloc_user_space(sizeof(*info)); | |
764 | if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) | |
765 | return -EFAULT; | |
766 | ||
ed8b6704 | 767 | err = drm_ioctl(file, DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
768 | if (err) |
769 | return err; | |
770 | ||
771 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
772 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
773 | || __get_user(i32.mode, &info->mode) | |
774 | || __get_user(i32.aperture_base, &info->aperture_base) | |
775 | || __get_user(i32.aperture_size, &info->aperture_size) | |
776 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
777 | || __get_user(i32.memory_used, &info->memory_used) | |
778 | || __get_user(i32.id_vendor, &info->id_vendor) | |
779 | || __get_user(i32.id_device, &info->id_device)) | |
780 | return -EFAULT; | |
781 | ||
782 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
783 | return -EFAULT; | |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
788 | typedef struct drm_agp_buffer32 { | |
789 | u32 size; /**< In bytes -- will round to page boundary */ | |
790 | u32 handle; /**< Used for binding / unbinding */ | |
791 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 792 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
793 | } drm_agp_buffer32_t; |
794 | ||
795 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
796 | unsigned long arg) | |
797 | { | |
798 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
799 | drm_agp_buffer32_t req32; | |
ff4135ae | 800 | struct drm_agp_buffer __user *request; |
9a186645 DA |
801 | int err; |
802 | ||
803 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
804 | return -EFAULT; | |
805 | ||
806 | request = compat_alloc_user_space(sizeof(*request)); | |
807 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
808 | || __put_user(req32.size, &request->size) | |
809 | || __put_user(req32.type, &request->type)) | |
810 | return -EFAULT; | |
811 | ||
ed8b6704 | 812 | err = drm_ioctl(file, DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
813 | if (err) |
814 | return err; | |
815 | ||
816 | if (__get_user(req32.handle, &request->handle) | |
817 | || __get_user(req32.physical, &request->physical) | |
818 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
ed8b6704 | 819 | drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
820 | return -EFAULT; |
821 | } | |
822 | ||
823 | return 0; | |
824 | } | |
825 | ||
826 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
827 | unsigned long arg) | |
828 | { | |
829 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
ff4135ae | 830 | struct drm_agp_buffer __user *request; |
9a186645 DA |
831 | u32 handle; |
832 | ||
833 | request = compat_alloc_user_space(sizeof(*request)); | |
834 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
835 | || get_user(handle, &argp->handle) | |
836 | || __put_user(handle, &request->handle)) | |
837 | return -EFAULT; | |
838 | ||
ed8b6704 | 839 | return drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
840 | } |
841 | ||
842 | typedef struct drm_agp_binding32 { | |
843 | u32 handle; /**< From drm_agp_buffer */ | |
844 | u32 offset; /**< In bytes -- will round to page boundary */ | |
845 | } drm_agp_binding32_t; | |
846 | ||
847 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
848 | unsigned long arg) | |
849 | { | |
850 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
851 | drm_agp_binding32_t req32; | |
ff4135ae | 852 | struct drm_agp_binding __user *request; |
9a186645 DA |
853 | |
854 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
855 | return -EFAULT; | |
856 | ||
857 | request = compat_alloc_user_space(sizeof(*request)); | |
858 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
859 | || __put_user(req32.handle, &request->handle) | |
860 | || __put_user(req32.offset, &request->offset)) | |
861 | return -EFAULT; | |
862 | ||
ed8b6704 | 863 | return drm_ioctl(file, DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
864 | } |
865 | ||
866 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
867 | unsigned long arg) | |
868 | { | |
869 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
ff4135ae | 870 | struct drm_agp_binding __user *request; |
9a186645 DA |
871 | u32 handle; |
872 | ||
873 | request = compat_alloc_user_space(sizeof(*request)); | |
874 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
875 | || get_user(handle, &argp->handle) | |
876 | || __put_user(handle, &request->handle)) | |
877 | return -EFAULT; | |
878 | ||
ed8b6704 | 879 | return drm_ioctl(file, DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 880 | } |
b5e89ed5 | 881 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
882 | |
883 | typedef struct drm_scatter_gather32 { | |
884 | u32 size; /**< In bytes -- will round to page boundary */ | |
885 | u32 handle; /**< Used for mapping / unmapping */ | |
886 | } drm_scatter_gather32_t; | |
887 | ||
888 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
889 | unsigned long arg) | |
890 | { | |
891 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 892 | struct drm_scatter_gather __user *request; |
9a186645 DA |
893 | int err; |
894 | unsigned long x; | |
895 | ||
896 | request = compat_alloc_user_space(sizeof(*request)); | |
897 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
898 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
899 | || __get_user(x, &argp->size) | |
900 | || __put_user(x, &request->size)) | |
901 | return -EFAULT; | |
902 | ||
ed8b6704 | 903 | err = drm_ioctl(file, DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
904 | if (err) |
905 | return err; | |
906 | ||
907 | /* XXX not sure about the handle conversion here... */ | |
908 | if (__get_user(x, &request->handle) | |
909 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
910 | return -EFAULT; | |
911 | ||
912 | return 0; | |
913 | } | |
914 | ||
915 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
916 | unsigned long arg) | |
917 | { | |
918 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 919 | struct drm_scatter_gather __user *request; |
9a186645 DA |
920 | unsigned long x; |
921 | ||
922 | request = compat_alloc_user_space(sizeof(*request)); | |
923 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
924 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
925 | || __get_user(x, &argp->handle) | |
926 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
927 | return -EFAULT; | |
928 | ||
ed8b6704 | 929 | return drm_ioctl(file, DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
930 | } |
931 | ||
09e40d65 | 932 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 EA |
933 | typedef struct drm_update_draw32 { |
934 | drm_drawable_t handle; | |
935 | unsigned int type; | |
936 | unsigned int num; | |
937 | /* 64-bit version has a 32-bit pad here */ | |
938 | u64 data; /**< Pointer */ | |
939 | } __attribute__((packed)) drm_update_draw32_t; | |
940 | ||
941 | static int compat_drm_update_draw(struct file *file, unsigned int cmd, | |
942 | unsigned long arg) | |
943 | { | |
944 | drm_update_draw32_t update32; | |
945 | struct drm_update_draw __user *request; | |
946 | int err; | |
947 | ||
948 | if (copy_from_user(&update32, (void __user *)arg, sizeof(update32))) | |
949 | return -EFAULT; | |
950 | ||
951 | request = compat_alloc_user_space(sizeof(*request)); | |
952 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) || | |
953 | __put_user(update32.handle, &request->handle) || | |
954 | __put_user(update32.type, &request->type) || | |
955 | __put_user(update32.num, &request->num) || | |
956 | __put_user(update32.data, &request->data)) | |
957 | return -EFAULT; | |
958 | ||
ed8b6704 | 959 | err = drm_ioctl(file, DRM_IOCTL_UPDATE_DRAW, (unsigned long)request); |
49568873 EA |
960 | return err; |
961 | } | |
09e40d65 | 962 | #endif |
49568873 | 963 | |
9a186645 | 964 | struct drm_wait_vblank_request32 { |
ff4135ae | 965 | enum drm_vblank_seq_type type; |
9a186645 DA |
966 | unsigned int sequence; |
967 | u32 signal; | |
968 | }; | |
969 | ||
970 | struct drm_wait_vblank_reply32 { | |
ff4135ae | 971 | enum drm_vblank_seq_type type; |
9a186645 DA |
972 | unsigned int sequence; |
973 | s32 tval_sec; | |
974 | s32 tval_usec; | |
975 | }; | |
976 | ||
977 | typedef union drm_wait_vblank32 { | |
978 | struct drm_wait_vblank_request32 request; | |
979 | struct drm_wait_vblank_reply32 reply; | |
980 | } drm_wait_vblank32_t; | |
981 | ||
982 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
983 | unsigned long arg) | |
984 | { | |
985 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
986 | drm_wait_vblank32_t req32; | |
ff4135ae | 987 | union drm_wait_vblank __user *request; |
9a186645 DA |
988 | int err; |
989 | ||
990 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
991 | return -EFAULT; | |
992 | ||
993 | request = compat_alloc_user_space(sizeof(*request)); | |
994 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
995 | || __put_user(req32.request.type, &request->request.type) | |
996 | || __put_user(req32.request.sequence, &request->request.sequence) | |
997 | || __put_user(req32.request.signal, &request->request.signal)) | |
998 | return -EFAULT; | |
999 | ||
ed8b6704 | 1000 | err = drm_ioctl(file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
1001 | if (err) |
1002 | return err; | |
1003 | ||
1004 | if (__get_user(req32.reply.type, &request->reply.type) | |
1005 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
1006 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
1007 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1008 | return -EFAULT; | |
1009 | ||
1010 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1011 | return -EFAULT; | |
1012 | ||
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | drm_ioctl_compat_t *drm_compat_ioctls[] = { | |
1017 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, | |
1018 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1019 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1020 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1021 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1022 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1023 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1024 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1025 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1026 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1027 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1028 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1029 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1030 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1031 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1032 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1033 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1034 | #if __OS_HAS_AGP | |
1035 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1036 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1037 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1038 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1039 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1040 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1041 | #endif | |
1042 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1043 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
09e40d65 | 1044 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 | 1045 | [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, |
09e40d65 | 1046 | #endif |
9a186645 DA |
1047 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, |
1048 | }; | |
1049 | ||
1050 | /** | |
1051 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1052 | * performs an ioctl on /dev/drm. | |
1053 | * | |
6c340eac | 1054 | * \param file_priv DRM file private. |
9a186645 DA |
1055 | * \param cmd command. |
1056 | * \param arg user argument. | |
1057 | * \return zero on success or negative number on failure. | |
1058 | */ | |
1059 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1060 | { | |
1061 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1062 | drm_ioctl_compat_t *fn; | |
1063 | int ret; | |
1064 | ||
7ffa05e0 IR |
1065 | /* Assume that ioctls without an explicit compat routine will just |
1066 | * work. This may not always be a good assumption, but it's better | |
1067 | * than always failing. | |
1068 | */ | |
3d77461e | 1069 | if (nr >= ARRAY_SIZE(drm_compat_ioctls)) |
ed8b6704 | 1070 | return drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1071 | |
1072 | fn = drm_compat_ioctls[nr]; | |
1073 | ||
9a186645 | 1074 | if (fn != NULL) |
b5e89ed5 | 1075 | ret = (*fn) (filp, cmd, arg); |
9a186645 | 1076 | else |
ed8b6704 | 1077 | ret = drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1078 | |
1079 | return ret; | |
1080 | } | |
b5e89ed5 | 1081 | |
9a186645 | 1082 | EXPORT_SYMBOL(drm_compat_ioctl); |