Commit | Line | Data |
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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> | |
cafe8d84 | 31 | #include <linux/ratelimit.h> |
9a186645 DA |
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 | ||
49568873 EA |
68 | #define DRM_IOCTL_UPDATE_DRAW32 DRM_IOW( 0x3f, drm_update_draw32_t) |
69 | ||
9a186645 DA |
70 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) |
71 | ||
72 | typedef struct drm_version_32 { | |
b5e89ed5 DA |
73 | int version_major; /**< Major version */ |
74 | int version_minor; /**< Minor version */ | |
75 | int version_patchlevel; /**< Patch level */ | |
76 | u32 name_len; /**< Length of name buffer */ | |
77 | u32 name; /**< Name of driver */ | |
78 | u32 date_len; /**< Length of date buffer */ | |
79 | u32 date; /**< User-space buffer to hold date */ | |
80 | u32 desc_len; /**< Length of desc buffer */ | |
81 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
82 | } drm_version32_t; |
83 | ||
84 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
85 | unsigned long arg) | |
86 | { | |
87 | drm_version32_t v32; | |
ff4135ae | 88 | struct drm_version __user *version; |
9a186645 DA |
89 | int err; |
90 | ||
b5e89ed5 | 91 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
92 | return -EFAULT; |
93 | ||
94 | version = compat_alloc_user_space(sizeof(*version)); | |
95 | if (!access_ok(VERIFY_WRITE, version, sizeof(*version))) | |
96 | return -EFAULT; | |
97 | if (__put_user(v32.name_len, &version->name_len) | |
98 | || __put_user((void __user *)(unsigned long)v32.name, | |
99 | &version->name) | |
100 | || __put_user(v32.date_len, &version->date_len) | |
101 | || __put_user((void __user *)(unsigned long)v32.date, | |
102 | &version->date) | |
103 | || __put_user(v32.desc_len, &version->desc_len) | |
104 | || __put_user((void __user *)(unsigned long)v32.desc, | |
105 | &version->desc)) | |
106 | return -EFAULT; | |
107 | ||
ed8b6704 | 108 | err = drm_ioctl(file, |
b5e89ed5 | 109 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
110 | if (err) |
111 | return err; | |
112 | ||
113 | if (__get_user(v32.version_major, &version->version_major) | |
114 | || __get_user(v32.version_minor, &version->version_minor) | |
115 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
116 | || __get_user(v32.name_len, &version->name_len) | |
117 | || __get_user(v32.date_len, &version->date_len) | |
118 | || __get_user(v32.desc_len, &version->desc_len)) | |
119 | return -EFAULT; | |
120 | ||
b5e89ed5 | 121 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
122 | return -EFAULT; |
123 | return 0; | |
124 | } | |
125 | ||
126 | typedef struct drm_unique32 { | |
127 | u32 unique_len; /**< Length of unique */ | |
128 | u32 unique; /**< Unique name for driver instantiation */ | |
129 | } drm_unique32_t; | |
130 | ||
131 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
132 | unsigned long arg) | |
133 | { | |
134 | drm_unique32_t uq32; | |
ff4135ae | 135 | struct drm_unique __user *u; |
9a186645 DA |
136 | int err; |
137 | ||
b5e89ed5 | 138 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
139 | return -EFAULT; |
140 | ||
141 | u = compat_alloc_user_space(sizeof(*u)); | |
142 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
143 | return -EFAULT; | |
144 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 145 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
146 | &u->unique)) |
147 | return -EFAULT; | |
148 | ||
ed8b6704 | 149 | err = drm_ioctl(file, DRM_IOCTL_GET_UNIQUE, (unsigned long)u); |
9a186645 DA |
150 | if (err) |
151 | return err; | |
152 | ||
153 | if (__get_user(uq32.unique_len, &u->unique_len)) | |
154 | return -EFAULT; | |
b5e89ed5 | 155 | if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32))) |
9a186645 DA |
156 | return -EFAULT; |
157 | return 0; | |
158 | } | |
159 | ||
160 | static int compat_drm_setunique(struct file *file, unsigned int cmd, | |
161 | unsigned long arg) | |
162 | { | |
163 | drm_unique32_t uq32; | |
ff4135ae | 164 | struct drm_unique __user *u; |
9a186645 | 165 | |
b5e89ed5 | 166 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
167 | return -EFAULT; |
168 | ||
169 | u = compat_alloc_user_space(sizeof(*u)); | |
170 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
171 | return -EFAULT; | |
172 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 173 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
174 | &u->unique)) |
175 | return -EFAULT; | |
176 | ||
ed8b6704 | 177 | return drm_ioctl(file, 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) */ | |
ff4135ae DA |
183 | enum drm_map_type type; /**< Type of memory to map */ |
184 | enum drm_map_flags 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; | |
ff4135ae | 194 | struct drm_map __user *map; |
9a186645 DA |
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 | ||
ed8b6704 | 207 | err = drm_ioctl(file, DRM_IOCTL_GET_MAP, (unsigned long)map); |
9a186645 DA |
208 | if (err) |
209 | return err; | |
210 | ||
211 | if (__get_user(m32.offset, &map->offset) | |
212 | || __get_user(m32.size, &map->size) | |
213 | || __get_user(m32.type, &map->type) | |
214 | || __get_user(m32.flags, &map->flags) | |
215 | || __get_user(handle, &map->handle) | |
216 | || __get_user(m32.mtrr, &map->mtrr)) | |
217 | return -EFAULT; | |
218 | ||
b5e89ed5 | 219 | m32.handle = (unsigned long)handle; |
9a186645 DA |
220 | if (copy_to_user(argp, &m32, sizeof(m32))) |
221 | return -EFAULT; | |
222 | return 0; | |
223 | ||
224 | } | |
225 | ||
226 | static int compat_drm_addmap(struct file *file, unsigned int cmd, | |
227 | unsigned long arg) | |
228 | { | |
229 | drm_map32_t __user *argp = (void __user *)arg; | |
230 | drm_map32_t m32; | |
ff4135ae | 231 | struct drm_map __user *map; |
9a186645 DA |
232 | int err; |
233 | void *handle; | |
234 | ||
235 | if (copy_from_user(&m32, argp, sizeof(m32))) | |
236 | return -EFAULT; | |
237 | ||
238 | map = compat_alloc_user_space(sizeof(*map)); | |
239 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
240 | return -EFAULT; | |
241 | if (__put_user(m32.offset, &map->offset) | |
242 | || __put_user(m32.size, &map->size) | |
243 | || __put_user(m32.type, &map->type) | |
244 | || __put_user(m32.flags, &map->flags)) | |
245 | return -EFAULT; | |
246 | ||
ed8b6704 | 247 | err = drm_ioctl(file, DRM_IOCTL_ADD_MAP, (unsigned long)map); |
9a186645 DA |
248 | if (err) |
249 | return err; | |
250 | ||
251 | if (__get_user(m32.offset, &map->offset) | |
252 | || __get_user(m32.mtrr, &map->mtrr) | |
253 | || __get_user(handle, &map->handle)) | |
254 | return -EFAULT; | |
255 | ||
b5e89ed5 | 256 | m32.handle = (unsigned long)handle; |
cafe8d84 CD |
257 | if (m32.handle != (unsigned long)handle) |
258 | printk_ratelimited(KERN_ERR "compat_drm_addmap truncated handle" | |
259 | " %p for type %d offset %x\n", | |
260 | handle, m32.type, m32.offset); | |
9a186645 DA |
261 | |
262 | if (copy_to_user(argp, &m32, sizeof(m32))) | |
263 | return -EFAULT; | |
264 | ||
265 | return 0; | |
266 | } | |
267 | ||
268 | static int compat_drm_rmmap(struct file *file, unsigned int cmd, | |
269 | unsigned long arg) | |
270 | { | |
271 | drm_map32_t __user *argp = (void __user *)arg; | |
ff4135ae | 272 | struct drm_map __user *map; |
9a186645 DA |
273 | u32 handle; |
274 | ||
275 | if (get_user(handle, &argp->handle)) | |
276 | return -EFAULT; | |
277 | ||
278 | map = compat_alloc_user_space(sizeof(*map)); | |
279 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
280 | return -EFAULT; | |
b5e89ed5 | 281 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
282 | return -EFAULT; |
283 | ||
ed8b6704 | 284 | return drm_ioctl(file, DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
285 | } |
286 | ||
287 | typedef struct drm_client32 { | |
b5e89ed5 DA |
288 | int idx; /**< Which client desired? */ |
289 | int auth; /**< Is client authenticated? */ | |
290 | u32 pid; /**< Process ID */ | |
291 | u32 uid; /**< User ID */ | |
292 | u32 magic; /**< Magic */ | |
293 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
294 | } drm_client32_t; |
295 | ||
296 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
297 | unsigned long arg) | |
298 | { | |
299 | drm_client32_t c32; | |
300 | drm_client32_t __user *argp = (void __user *)arg; | |
ff4135ae | 301 | struct drm_client __user *client; |
9a186645 DA |
302 | int idx, err; |
303 | ||
304 | if (get_user(idx, &argp->idx)) | |
305 | return -EFAULT; | |
306 | ||
307 | client = compat_alloc_user_space(sizeof(*client)); | |
308 | if (!access_ok(VERIFY_WRITE, client, sizeof(*client))) | |
309 | return -EFAULT; | |
310 | if (__put_user(idx, &client->idx)) | |
311 | return -EFAULT; | |
312 | ||
ed8b6704 | 313 | err = drm_ioctl(file, DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
314 | if (err) |
315 | return err; | |
316 | ||
317 | if (__get_user(c32.auth, &client->auth) | |
318 | || __get_user(c32.pid, &client->pid) | |
319 | || __get_user(c32.uid, &client->uid) | |
320 | || __get_user(c32.magic, &client->magic) | |
321 | || __get_user(c32.iocs, &client->iocs)) | |
322 | return -EFAULT; | |
323 | ||
324 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
325 | return -EFAULT; | |
326 | return 0; | |
327 | } | |
328 | ||
329 | typedef struct drm_stats32 { | |
330 | u32 count; | |
331 | struct { | |
332 | u32 value; | |
ff4135ae | 333 | enum drm_stat_type type; |
9a186645 DA |
334 | } data[15]; |
335 | } drm_stats32_t; | |
336 | ||
337 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
338 | unsigned long arg) | |
339 | { | |
340 | drm_stats32_t s32; | |
341 | drm_stats32_t __user *argp = (void __user *)arg; | |
ff4135ae | 342 | struct drm_stats __user *stats; |
9a186645 DA |
343 | int i, err; |
344 | ||
345 | stats = compat_alloc_user_space(sizeof(*stats)); | |
346 | if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) | |
347 | return -EFAULT; | |
348 | ||
ed8b6704 | 349 | err = drm_ioctl(file, DRM_IOCTL_GET_STATS, (unsigned long)stats); |
9a186645 DA |
350 | if (err) |
351 | return err; | |
352 | ||
353 | if (__get_user(s32.count, &stats->count)) | |
354 | return -EFAULT; | |
355 | for (i = 0; i < 15; ++i) | |
356 | if (__get_user(s32.data[i].value, &stats->data[i].value) | |
357 | || __get_user(s32.data[i].type, &stats->data[i].type)) | |
358 | return -EFAULT; | |
359 | ||
360 | if (copy_to_user(argp, &s32, sizeof(s32))) | |
361 | return -EFAULT; | |
362 | return 0; | |
363 | } | |
364 | ||
365 | typedef struct drm_buf_desc32 { | |
b5e89ed5 DA |
366 | int count; /**< Number of buffers of this size */ |
367 | int size; /**< Size in bytes */ | |
368 | int low_mark; /**< Low water mark */ | |
369 | int high_mark; /**< High water mark */ | |
370 | int flags; | |
371 | u32 agp_start; /**< Start address in the AGP aperture */ | |
9a186645 DA |
372 | } drm_buf_desc32_t; |
373 | ||
374 | static int compat_drm_addbufs(struct file *file, unsigned int cmd, | |
375 | unsigned long arg) | |
376 | { | |
377 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 378 | struct drm_buf_desc __user *buf; |
9a186645 DA |
379 | int err; |
380 | unsigned long agp_start; | |
381 | ||
382 | buf = compat_alloc_user_space(sizeof(*buf)); | |
383 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)) | |
384 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) | |
385 | return -EFAULT; | |
386 | ||
387 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
388 | || __get_user(agp_start, &argp->agp_start) | |
389 | || __put_user(agp_start, &buf->agp_start)) | |
390 | return -EFAULT; | |
391 | ||
ed8b6704 | 392 | err = drm_ioctl(file, DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
393 | if (err) |
394 | return err; | |
395 | ||
396 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
397 | || __get_user(agp_start, &buf->agp_start) | |
398 | || __put_user(agp_start, &argp->agp_start)) | |
399 | return -EFAULT; | |
400 | ||
401 | return 0; | |
402 | } | |
403 | ||
404 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
405 | unsigned long arg) | |
406 | { | |
407 | drm_buf_desc32_t b32; | |
408 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 409 | struct drm_buf_desc __user *buf; |
9a186645 DA |
410 | |
411 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
412 | return -EFAULT; | |
413 | ||
414 | buf = compat_alloc_user_space(sizeof(*buf)); | |
415 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | |
416 | return -EFAULT; | |
417 | ||
418 | if (__put_user(b32.size, &buf->size) | |
419 | || __put_user(b32.low_mark, &buf->low_mark) | |
420 | || __put_user(b32.high_mark, &buf->high_mark)) | |
421 | return -EFAULT; | |
422 | ||
ed8b6704 | 423 | return drm_ioctl(file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
424 | } |
425 | ||
426 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
427 | int count; /**< Entries in list */ |
428 | u32 list; | |
9a186645 DA |
429 | } drm_buf_info32_t; |
430 | ||
431 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
432 | unsigned long arg) | |
433 | { | |
434 | drm_buf_info32_t req32; | |
435 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
436 | drm_buf_desc32_t __user *to; | |
ff4135ae DA |
437 | struct drm_buf_info __user *request; |
438 | struct drm_buf_desc __user *list; | |
9a186645 DA |
439 | size_t nbytes; |
440 | int i, err; | |
441 | int count, actual; | |
442 | ||
443 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
444 | return -EFAULT; | |
445 | ||
446 | count = req32.count; | |
b5e89ed5 | 447 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
448 | if (count < 0) |
449 | count = 0; | |
450 | if (count > 0 | |
451 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
452 | return -EFAULT; | |
453 | ||
ff4135ae | 454 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc); |
9a186645 DA |
455 | request = compat_alloc_user_space(nbytes); |
456 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
457 | return -EFAULT; | |
ff4135ae | 458 | list = (struct drm_buf_desc *) (request + 1); |
9a186645 DA |
459 | |
460 | if (__put_user(count, &request->count) | |
461 | || __put_user(list, &request->list)) | |
462 | return -EFAULT; | |
463 | ||
ed8b6704 | 464 | err = drm_ioctl(file, DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
465 | if (err) |
466 | return err; | |
467 | ||
468 | if (__get_user(actual, &request->count)) | |
469 | return -EFAULT; | |
470 | if (count >= actual) | |
471 | for (i = 0; i < actual; ++i) | |
472 | if (__copy_in_user(&to[i], &list[i], | |
ff4135ae | 473 | offsetof(struct drm_buf_desc, flags))) |
9a186645 DA |
474 | return -EFAULT; |
475 | ||
476 | if (__put_user(actual, &argp->count)) | |
477 | return -EFAULT; | |
478 | ||
479 | return 0; | |
480 | } | |
481 | ||
482 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
483 | int idx; /**< Index into the master buffer list */ |
484 | int total; /**< Buffer size */ | |
485 | int used; /**< Amount of buffer in use (for DMA) */ | |
486 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
487 | } drm_buf_pub32_t; |
488 | ||
489 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
490 | int count; /**< Length of the buffer list */ |
491 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
492 | u32 list; /**< Buffer information */ | |
9a186645 DA |
493 | } drm_buf_map32_t; |
494 | ||
495 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
496 | unsigned long arg) | |
497 | { | |
498 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
499 | drm_buf_map32_t req32; | |
500 | drm_buf_pub32_t __user *list32; | |
ff4135ae DA |
501 | struct drm_buf_map __user *request; |
502 | struct drm_buf_pub __user *list; | |
9a186645 DA |
503 | int i, err; |
504 | int count, actual; | |
505 | size_t nbytes; | |
506 | void __user *addr; | |
507 | ||
508 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
509 | return -EFAULT; | |
510 | count = req32.count; | |
511 | list32 = (void __user *)(unsigned long)req32.list; | |
512 | ||
513 | if (count < 0) | |
514 | return -EINVAL; | |
ff4135ae | 515 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub); |
9a186645 DA |
516 | request = compat_alloc_user_space(nbytes); |
517 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
518 | return -EFAULT; | |
ff4135ae | 519 | list = (struct drm_buf_pub *) (request + 1); |
9a186645 DA |
520 | |
521 | if (__put_user(count, &request->count) | |
522 | || __put_user(list, &request->list)) | |
523 | return -EFAULT; | |
524 | ||
ed8b6704 | 525 | err = drm_ioctl(file, DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
526 | if (err) |
527 | return err; | |
528 | ||
529 | if (__get_user(actual, &request->count)) | |
530 | return -EFAULT; | |
531 | if (count >= actual) | |
532 | for (i = 0; i < actual; ++i) | |
533 | if (__copy_in_user(&list32[i], &list[i], | |
ff4135ae | 534 | offsetof(struct drm_buf_pub, address)) |
9a186645 | 535 | || __get_user(addr, &list[i].address) |
b5e89ed5 | 536 | || __put_user((unsigned long)addr, |
9a186645 DA |
537 | &list32[i].address)) |
538 | return -EFAULT; | |
539 | ||
540 | if (__put_user(actual, &argp->count) | |
541 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 542 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
543 | return -EFAULT; |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
549 | int count; |
550 | u32 list; | |
9a186645 DA |
551 | } drm_buf_free32_t; |
552 | ||
553 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
554 | unsigned long arg) | |
555 | { | |
556 | drm_buf_free32_t req32; | |
ff4135ae | 557 | struct drm_buf_free __user *request; |
9a186645 DA |
558 | drm_buf_free32_t __user *argp = (void __user *)arg; |
559 | ||
560 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
561 | return -EFAULT; | |
562 | ||
563 | request = compat_alloc_user_space(sizeof(*request)); | |
564 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
565 | return -EFAULT; | |
566 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 567 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
568 | &request->list)) |
569 | return -EFAULT; | |
570 | ||
ed8b6704 | 571 | return drm_ioctl(file, DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
572 | } |
573 | ||
574 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
575 | unsigned int ctx_id; /**< Context requesting private mapping */ |
576 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
577 | } drm_ctx_priv_map32_t; |
578 | ||
579 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
580 | unsigned long arg) | |
581 | { | |
582 | drm_ctx_priv_map32_t req32; | |
ff4135ae | 583 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
584 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
585 | ||
586 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
587 | return -EFAULT; | |
588 | ||
589 | request = compat_alloc_user_space(sizeof(*request)); | |
590 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
591 | return -EFAULT; | |
592 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 593 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
594 | &request->handle)) |
595 | return -EFAULT; | |
596 | ||
ed8b6704 | 597 | return drm_ioctl(file, DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
598 | } |
599 | ||
600 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
601 | unsigned long arg) | |
602 | { | |
ff4135ae | 603 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
604 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
605 | int err; | |
606 | unsigned int ctx_id; | |
607 | void *handle; | |
608 | ||
609 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
610 | || __get_user(ctx_id, &argp->ctx_id)) | |
611 | return -EFAULT; | |
612 | ||
613 | request = compat_alloc_user_space(sizeof(*request)); | |
614 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
615 | return -EFAULT; | |
616 | if (__put_user(ctx_id, &request->ctx_id)) | |
617 | return -EFAULT; | |
618 | ||
ed8b6704 | 619 | err = drm_ioctl(file, DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
620 | if (err) |
621 | return err; | |
622 | ||
623 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 624 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
625 | return -EFAULT; |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
631 | int count; |
632 | u32 contexts; | |
9a186645 DA |
633 | } drm_ctx_res32_t; |
634 | ||
635 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
636 | unsigned long arg) | |
637 | { | |
638 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
639 | drm_ctx_res32_t res32; | |
ff4135ae | 640 | struct drm_ctx_res __user *res; |
9a186645 DA |
641 | int err; |
642 | ||
643 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
644 | return -EFAULT; | |
645 | ||
646 | res = compat_alloc_user_space(sizeof(*res)); | |
647 | if (!access_ok(VERIFY_WRITE, res, sizeof(*res))) | |
648 | return -EFAULT; | |
649 | if (__put_user(res32.count, &res->count) | |
ff4135ae | 650 | || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts, |
9a186645 DA |
651 | &res->contexts)) |
652 | return -EFAULT; | |
653 | ||
ed8b6704 | 654 | err = drm_ioctl(file, DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
655 | if (err) |
656 | return err; | |
657 | ||
658 | if (__get_user(res32.count, &res->count) | |
659 | || __put_user(res32.count, &argp->count)) | |
660 | return -EFAULT; | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
666 | int context; /**< Context handle */ |
667 | int send_count; /**< Number of buffers to send */ | |
668 | u32 send_indices; /**< List of handles to buffers */ | |
669 | u32 send_sizes; /**< Lengths of data to send */ | |
ff4135ae | 670 | enum drm_dma_flags flags; /**< Flags */ |
b5e89ed5 DA |
671 | int request_count; /**< Number of buffers requested */ |
672 | int request_size; /**< Desired size for buffers */ | |
673 | u32 request_indices; /**< Buffer information */ | |
674 | u32 request_sizes; | |
675 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
676 | } drm_dma32_t; |
677 | ||
678 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
679 | unsigned long arg) | |
680 | { | |
681 | drm_dma32_t d32; | |
b5e89ed5 | 682 | drm_dma32_t __user *argp = (void __user *)arg; |
ff4135ae | 683 | struct drm_dma __user *d; |
9a186645 DA |
684 | int err; |
685 | ||
686 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
687 | return -EFAULT; | |
688 | ||
689 | d = compat_alloc_user_space(sizeof(*d)); | |
690 | if (!access_ok(VERIFY_WRITE, d, sizeof(*d))) | |
691 | return -EFAULT; | |
692 | ||
693 | if (__put_user(d32.context, &d->context) | |
694 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 695 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 696 | &d->send_indices) |
b5e89ed5 | 697 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
698 | &d->send_sizes) |
699 | || __put_user(d32.flags, &d->flags) | |
700 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 701 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 702 | &d->request_indices) |
b5e89ed5 | 703 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
704 | &d->request_sizes)) |
705 | return -EFAULT; | |
706 | ||
ed8b6704 | 707 | err = drm_ioctl(file, DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
708 | if (err) |
709 | return err; | |
710 | ||
711 | if (__get_user(d32.request_size, &d->request_size) | |
712 | || __get_user(d32.granted_count, &d->granted_count) | |
713 | || __put_user(d32.request_size, &argp->request_size) | |
714 | || __put_user(d32.granted_count, &argp->granted_count)) | |
715 | return -EFAULT; | |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
720 | #if __OS_HAS_AGP | |
721 | typedef struct drm_agp_mode32 { | |
722 | u32 mode; /**< AGP mode */ | |
723 | } drm_agp_mode32_t; | |
724 | ||
725 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
726 | unsigned long arg) | |
727 | { | |
728 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
729 | drm_agp_mode32_t m32; | |
ff4135ae | 730 | struct drm_agp_mode __user *mode; |
9a186645 DA |
731 | |
732 | if (get_user(m32.mode, &argp->mode)) | |
733 | return -EFAULT; | |
734 | ||
735 | mode = compat_alloc_user_space(sizeof(*mode)); | |
736 | if (put_user(m32.mode, &mode->mode)) | |
737 | return -EFAULT; | |
738 | ||
ed8b6704 | 739 | return drm_ioctl(file, DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
740 | } |
741 | ||
742 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
743 | int agp_version_major; |
744 | int agp_version_minor; | |
745 | u32 mode; | |
746 | u32 aperture_base; /* physical address */ | |
747 | u32 aperture_size; /* bytes */ | |
748 | u32 memory_allowed; /* bytes */ | |
749 | u32 memory_used; | |
750 | ||
751 | /* PCI information */ | |
9a186645 DA |
752 | unsigned short id_vendor; |
753 | unsigned short id_device; | |
754 | } drm_agp_info32_t; | |
755 | ||
756 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
757 | unsigned long arg) | |
758 | { | |
759 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
760 | drm_agp_info32_t i32; | |
ff4135ae | 761 | struct drm_agp_info __user *info; |
9a186645 DA |
762 | int err; |
763 | ||
764 | info = compat_alloc_user_space(sizeof(*info)); | |
765 | if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) | |
766 | return -EFAULT; | |
767 | ||
ed8b6704 | 768 | err = drm_ioctl(file, DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
769 | if (err) |
770 | return err; | |
771 | ||
772 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
773 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
774 | || __get_user(i32.mode, &info->mode) | |
775 | || __get_user(i32.aperture_base, &info->aperture_base) | |
776 | || __get_user(i32.aperture_size, &info->aperture_size) | |
777 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
778 | || __get_user(i32.memory_used, &info->memory_used) | |
779 | || __get_user(i32.id_vendor, &info->id_vendor) | |
780 | || __get_user(i32.id_device, &info->id_device)) | |
781 | return -EFAULT; | |
782 | ||
783 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
784 | return -EFAULT; | |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
789 | typedef struct drm_agp_buffer32 { | |
790 | u32 size; /**< In bytes -- will round to page boundary */ | |
791 | u32 handle; /**< Used for binding / unbinding */ | |
792 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 793 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
794 | } drm_agp_buffer32_t; |
795 | ||
796 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
797 | unsigned long arg) | |
798 | { | |
799 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
800 | drm_agp_buffer32_t req32; | |
ff4135ae | 801 | struct drm_agp_buffer __user *request; |
9a186645 DA |
802 | int err; |
803 | ||
804 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
805 | return -EFAULT; | |
806 | ||
807 | request = compat_alloc_user_space(sizeof(*request)); | |
808 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
809 | || __put_user(req32.size, &request->size) | |
810 | || __put_user(req32.type, &request->type)) | |
811 | return -EFAULT; | |
812 | ||
ed8b6704 | 813 | err = drm_ioctl(file, DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
814 | if (err) |
815 | return err; | |
816 | ||
817 | if (__get_user(req32.handle, &request->handle) | |
818 | || __get_user(req32.physical, &request->physical) | |
819 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
ed8b6704 | 820 | drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
821 | return -EFAULT; |
822 | } | |
823 | ||
824 | return 0; | |
825 | } | |
826 | ||
827 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
828 | unsigned long arg) | |
829 | { | |
830 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
ff4135ae | 831 | struct drm_agp_buffer __user *request; |
9a186645 DA |
832 | u32 handle; |
833 | ||
834 | request = compat_alloc_user_space(sizeof(*request)); | |
835 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
836 | || get_user(handle, &argp->handle) | |
837 | || __put_user(handle, &request->handle)) | |
838 | return -EFAULT; | |
839 | ||
ed8b6704 | 840 | return drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
841 | } |
842 | ||
843 | typedef struct drm_agp_binding32 { | |
844 | u32 handle; /**< From drm_agp_buffer */ | |
845 | u32 offset; /**< In bytes -- will round to page boundary */ | |
846 | } drm_agp_binding32_t; | |
847 | ||
848 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
849 | unsigned long arg) | |
850 | { | |
851 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
852 | drm_agp_binding32_t req32; | |
ff4135ae | 853 | struct drm_agp_binding __user *request; |
9a186645 DA |
854 | |
855 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
856 | return -EFAULT; | |
857 | ||
858 | request = compat_alloc_user_space(sizeof(*request)); | |
859 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
860 | || __put_user(req32.handle, &request->handle) | |
861 | || __put_user(req32.offset, &request->offset)) | |
862 | return -EFAULT; | |
863 | ||
ed8b6704 | 864 | return drm_ioctl(file, DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
865 | } |
866 | ||
867 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
868 | unsigned long arg) | |
869 | { | |
870 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
ff4135ae | 871 | struct drm_agp_binding __user *request; |
9a186645 DA |
872 | u32 handle; |
873 | ||
874 | request = compat_alloc_user_space(sizeof(*request)); | |
875 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
876 | || get_user(handle, &argp->handle) | |
877 | || __put_user(handle, &request->handle)) | |
878 | return -EFAULT; | |
879 | ||
ed8b6704 | 880 | return drm_ioctl(file, DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 881 | } |
b5e89ed5 | 882 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
883 | |
884 | typedef struct drm_scatter_gather32 { | |
885 | u32 size; /**< In bytes -- will round to page boundary */ | |
886 | u32 handle; /**< Used for mapping / unmapping */ | |
887 | } drm_scatter_gather32_t; | |
888 | ||
889 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
890 | unsigned long arg) | |
891 | { | |
892 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 893 | struct drm_scatter_gather __user *request; |
9a186645 DA |
894 | int err; |
895 | unsigned long x; | |
896 | ||
897 | request = compat_alloc_user_space(sizeof(*request)); | |
898 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
899 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
900 | || __get_user(x, &argp->size) | |
901 | || __put_user(x, &request->size)) | |
902 | return -EFAULT; | |
903 | ||
ed8b6704 | 904 | err = drm_ioctl(file, DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
905 | if (err) |
906 | return err; | |
907 | ||
908 | /* XXX not sure about the handle conversion here... */ | |
909 | if (__get_user(x, &request->handle) | |
910 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
911 | return -EFAULT; | |
912 | ||
913 | return 0; | |
914 | } | |
915 | ||
916 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
917 | unsigned long arg) | |
918 | { | |
919 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 920 | struct drm_scatter_gather __user *request; |
9a186645 DA |
921 | unsigned long x; |
922 | ||
923 | request = compat_alloc_user_space(sizeof(*request)); | |
924 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
925 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
926 | || __get_user(x, &argp->handle) | |
927 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
928 | return -EFAULT; | |
929 | ||
ed8b6704 | 930 | return drm_ioctl(file, DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
931 | } |
932 | ||
09e40d65 | 933 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 EA |
934 | typedef struct drm_update_draw32 { |
935 | drm_drawable_t handle; | |
936 | unsigned int type; | |
937 | unsigned int num; | |
938 | /* 64-bit version has a 32-bit pad here */ | |
939 | u64 data; /**< Pointer */ | |
940 | } __attribute__((packed)) drm_update_draw32_t; | |
941 | ||
942 | static int compat_drm_update_draw(struct file *file, unsigned int cmd, | |
943 | unsigned long arg) | |
944 | { | |
945 | drm_update_draw32_t update32; | |
946 | struct drm_update_draw __user *request; | |
947 | int err; | |
948 | ||
949 | if (copy_from_user(&update32, (void __user *)arg, sizeof(update32))) | |
950 | return -EFAULT; | |
951 | ||
952 | request = compat_alloc_user_space(sizeof(*request)); | |
953 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) || | |
954 | __put_user(update32.handle, &request->handle) || | |
955 | __put_user(update32.type, &request->type) || | |
956 | __put_user(update32.num, &request->num) || | |
957 | __put_user(update32.data, &request->data)) | |
958 | return -EFAULT; | |
959 | ||
ed8b6704 | 960 | err = drm_ioctl(file, DRM_IOCTL_UPDATE_DRAW, (unsigned long)request); |
49568873 EA |
961 | return err; |
962 | } | |
09e40d65 | 963 | #endif |
49568873 | 964 | |
9a186645 | 965 | struct drm_wait_vblank_request32 { |
ff4135ae | 966 | enum drm_vblank_seq_type type; |
9a186645 DA |
967 | unsigned int sequence; |
968 | u32 signal; | |
969 | }; | |
970 | ||
971 | struct drm_wait_vblank_reply32 { | |
ff4135ae | 972 | enum drm_vblank_seq_type type; |
9a186645 DA |
973 | unsigned int sequence; |
974 | s32 tval_sec; | |
975 | s32 tval_usec; | |
976 | }; | |
977 | ||
978 | typedef union drm_wait_vblank32 { | |
979 | struct drm_wait_vblank_request32 request; | |
980 | struct drm_wait_vblank_reply32 reply; | |
981 | } drm_wait_vblank32_t; | |
982 | ||
983 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
984 | unsigned long arg) | |
985 | { | |
986 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
987 | drm_wait_vblank32_t req32; | |
ff4135ae | 988 | union drm_wait_vblank __user *request; |
9a186645 DA |
989 | int err; |
990 | ||
991 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
992 | return -EFAULT; | |
993 | ||
994 | request = compat_alloc_user_space(sizeof(*request)); | |
995 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
996 | || __put_user(req32.request.type, &request->request.type) | |
997 | || __put_user(req32.request.sequence, &request->request.sequence) | |
998 | || __put_user(req32.request.signal, &request->request.signal)) | |
999 | return -EFAULT; | |
1000 | ||
ed8b6704 | 1001 | err = drm_ioctl(file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
1002 | if (err) |
1003 | return err; | |
1004 | ||
1005 | if (__get_user(req32.reply.type, &request->reply.type) | |
1006 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
1007 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
1008 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1009 | return -EFAULT; | |
1010 | ||
1011 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1012 | return -EFAULT; | |
1013 | ||
1014 | return 0; | |
1015 | } | |
1016 | ||
1017 | drm_ioctl_compat_t *drm_compat_ioctls[] = { | |
1018 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, | |
1019 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1020 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1021 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1022 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1023 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1024 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1025 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1026 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1027 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1028 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1029 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1030 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1031 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1032 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1033 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1034 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1035 | #if __OS_HAS_AGP | |
1036 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1037 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1038 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1039 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1040 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1041 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1042 | #endif | |
1043 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1044 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
09e40d65 | 1045 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 | 1046 | [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, |
09e40d65 | 1047 | #endif |
9a186645 DA |
1048 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, |
1049 | }; | |
1050 | ||
1051 | /** | |
1052 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1053 | * performs an ioctl on /dev/drm. | |
1054 | * | |
6c340eac | 1055 | * \param file_priv DRM file private. |
9a186645 DA |
1056 | * \param cmd command. |
1057 | * \param arg user argument. | |
1058 | * \return zero on success or negative number on failure. | |
1059 | */ | |
1060 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1061 | { | |
1062 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1063 | drm_ioctl_compat_t *fn; | |
1064 | int ret; | |
1065 | ||
7ffa05e0 IR |
1066 | /* Assume that ioctls without an explicit compat routine will just |
1067 | * work. This may not always be a good assumption, but it's better | |
1068 | * than always failing. | |
1069 | */ | |
3d77461e | 1070 | if (nr >= ARRAY_SIZE(drm_compat_ioctls)) |
ed8b6704 | 1071 | return drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1072 | |
1073 | fn = drm_compat_ioctls[nr]; | |
1074 | ||
9a186645 | 1075 | if (fn != NULL) |
b5e89ed5 | 1076 | ret = (*fn) (filp, cmd, arg); |
9a186645 | 1077 | else |
ed8b6704 | 1078 | ret = drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1079 | |
1080 | return ret; | |
1081 | } | |
b5e89ed5 | 1082 | |
9a186645 | 1083 | EXPORT_SYMBOL(drm_compat_ioctl); |