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> | |
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 | ||
67 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) | |
68 | ||
69 | typedef struct drm_version_32 { | |
b5e89ed5 DA |
70 | int version_major; /**< Major version */ |
71 | int version_minor; /**< Minor version */ | |
72 | int version_patchlevel; /**< Patch level */ | |
73 | u32 name_len; /**< Length of name buffer */ | |
74 | u32 name; /**< Name of driver */ | |
75 | u32 date_len; /**< Length of date buffer */ | |
76 | u32 date; /**< User-space buffer to hold date */ | |
77 | u32 desc_len; /**< Length of desc buffer */ | |
78 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
79 | } drm_version32_t; |
80 | ||
81 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
82 | unsigned long arg) | |
83 | { | |
84 | drm_version32_t v32; | |
ff4135ae | 85 | struct drm_version __user *version; |
9a186645 DA |
86 | int err; |
87 | ||
b5e89ed5 | 88 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
89 | return -EFAULT; |
90 | ||
91 | version = compat_alloc_user_space(sizeof(*version)); | |
92 | if (!access_ok(VERIFY_WRITE, version, sizeof(*version))) | |
93 | return -EFAULT; | |
94 | if (__put_user(v32.name_len, &version->name_len) | |
95 | || __put_user((void __user *)(unsigned long)v32.name, | |
96 | &version->name) | |
97 | || __put_user(v32.date_len, &version->date_len) | |
98 | || __put_user((void __user *)(unsigned long)v32.date, | |
99 | &version->date) | |
100 | || __put_user(v32.desc_len, &version->desc_len) | |
101 | || __put_user((void __user *)(unsigned long)v32.desc, | |
102 | &version->desc)) | |
103 | return -EFAULT; | |
104 | ||
cc5ef55f | 105 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 106 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
107 | if (err) |
108 | return err; | |
109 | ||
110 | if (__get_user(v32.version_major, &version->version_major) | |
111 | || __get_user(v32.version_minor, &version->version_minor) | |
112 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
113 | || __get_user(v32.name_len, &version->name_len) | |
114 | || __get_user(v32.date_len, &version->date_len) | |
115 | || __get_user(v32.desc_len, &version->desc_len)) | |
116 | return -EFAULT; | |
117 | ||
b5e89ed5 | 118 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
119 | return -EFAULT; |
120 | return 0; | |
121 | } | |
122 | ||
123 | typedef struct drm_unique32 { | |
124 | u32 unique_len; /**< Length of unique */ | |
125 | u32 unique; /**< Unique name for driver instantiation */ | |
126 | } drm_unique32_t; | |
127 | ||
128 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
129 | unsigned long arg) | |
130 | { | |
131 | drm_unique32_t uq32; | |
ff4135ae | 132 | struct drm_unique __user *u; |
9a186645 DA |
133 | int err; |
134 | ||
b5e89ed5 | 135 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
136 | return -EFAULT; |
137 | ||
138 | u = compat_alloc_user_space(sizeof(*u)); | |
139 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
140 | return -EFAULT; | |
141 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 142 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
143 | &u->unique)) |
144 | return -EFAULT; | |
145 | ||
cc5ef55f | 146 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 147 | DRM_IOCTL_GET_UNIQUE, (unsigned long)u); |
9a186645 DA |
148 | if (err) |
149 | return err; | |
150 | ||
151 | if (__get_user(uq32.unique_len, &u->unique_len)) | |
152 | return -EFAULT; | |
b5e89ed5 | 153 | if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32))) |
9a186645 DA |
154 | return -EFAULT; |
155 | return 0; | |
156 | } | |
157 | ||
158 | static int compat_drm_setunique(struct file *file, unsigned int cmd, | |
159 | unsigned long arg) | |
160 | { | |
161 | drm_unique32_t uq32; | |
ff4135ae | 162 | struct drm_unique __user *u; |
9a186645 | 163 | |
b5e89ed5 | 164 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
165 | return -EFAULT; |
166 | ||
167 | u = compat_alloc_user_space(sizeof(*u)); | |
168 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
169 | return -EFAULT; | |
170 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 171 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
172 | &u->unique)) |
173 | return -EFAULT; | |
174 | ||
cc5ef55f | 175 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 176 | 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 | ||
cc5ef55f | 206 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 207 | 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 | ||
cc5ef55f | 247 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 248 | DRM_IOCTL_ADD_MAP, (unsigned long)map); |
9a186645 DA |
249 | if (err) |
250 | return err; | |
251 | ||
252 | if (__get_user(m32.offset, &map->offset) | |
253 | || __get_user(m32.mtrr, &map->mtrr) | |
254 | || __get_user(handle, &map->handle)) | |
255 | return -EFAULT; | |
256 | ||
b5e89ed5 DA |
257 | m32.handle = (unsigned long)handle; |
258 | if (m32.handle != (unsigned long)handle && printk_ratelimit()) | |
9a186645 DA |
259 | printk(KERN_ERR "compat_drm_addmap truncated handle" |
260 | " %p for type %d offset %x\n", | |
261 | handle, m32.type, m32.offset); | |
262 | ||
263 | if (copy_to_user(argp, &m32, sizeof(m32))) | |
264 | return -EFAULT; | |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
269 | static int compat_drm_rmmap(struct file *file, unsigned int cmd, | |
270 | unsigned long arg) | |
271 | { | |
272 | drm_map32_t __user *argp = (void __user *)arg; | |
ff4135ae | 273 | struct drm_map __user *map; |
9a186645 DA |
274 | u32 handle; |
275 | ||
276 | if (get_user(handle, &argp->handle)) | |
277 | return -EFAULT; | |
278 | ||
279 | map = compat_alloc_user_space(sizeof(*map)); | |
280 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
281 | return -EFAULT; | |
b5e89ed5 | 282 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
283 | return -EFAULT; |
284 | ||
cc5ef55f | 285 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 286 | DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
287 | } |
288 | ||
289 | typedef struct drm_client32 { | |
b5e89ed5 DA |
290 | int idx; /**< Which client desired? */ |
291 | int auth; /**< Is client authenticated? */ | |
292 | u32 pid; /**< Process ID */ | |
293 | u32 uid; /**< User ID */ | |
294 | u32 magic; /**< Magic */ | |
295 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
296 | } drm_client32_t; |
297 | ||
298 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
299 | unsigned long arg) | |
300 | { | |
301 | drm_client32_t c32; | |
302 | drm_client32_t __user *argp = (void __user *)arg; | |
ff4135ae | 303 | struct drm_client __user *client; |
9a186645 DA |
304 | int idx, err; |
305 | ||
306 | if (get_user(idx, &argp->idx)) | |
307 | return -EFAULT; | |
308 | ||
309 | client = compat_alloc_user_space(sizeof(*client)); | |
310 | if (!access_ok(VERIFY_WRITE, client, sizeof(*client))) | |
311 | return -EFAULT; | |
312 | if (__put_user(idx, &client->idx)) | |
313 | return -EFAULT; | |
314 | ||
cc5ef55f | 315 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 316 | DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
317 | if (err) |
318 | return err; | |
319 | ||
320 | if (__get_user(c32.auth, &client->auth) | |
321 | || __get_user(c32.pid, &client->pid) | |
322 | || __get_user(c32.uid, &client->uid) | |
323 | || __get_user(c32.magic, &client->magic) | |
324 | || __get_user(c32.iocs, &client->iocs)) | |
325 | return -EFAULT; | |
326 | ||
327 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
328 | return -EFAULT; | |
329 | return 0; | |
330 | } | |
331 | ||
332 | typedef struct drm_stats32 { | |
333 | u32 count; | |
334 | struct { | |
335 | u32 value; | |
ff4135ae | 336 | enum drm_stat_type type; |
9a186645 DA |
337 | } data[15]; |
338 | } drm_stats32_t; | |
339 | ||
340 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
341 | unsigned long arg) | |
342 | { | |
343 | drm_stats32_t s32; | |
344 | drm_stats32_t __user *argp = (void __user *)arg; | |
ff4135ae | 345 | struct drm_stats __user *stats; |
9a186645 DA |
346 | int i, err; |
347 | ||
348 | stats = compat_alloc_user_space(sizeof(*stats)); | |
349 | if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) | |
350 | return -EFAULT; | |
351 | ||
cc5ef55f | 352 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 353 | DRM_IOCTL_GET_STATS, (unsigned long)stats); |
9a186645 DA |
354 | if (err) |
355 | return err; | |
356 | ||
357 | if (__get_user(s32.count, &stats->count)) | |
358 | return -EFAULT; | |
359 | for (i = 0; i < 15; ++i) | |
360 | if (__get_user(s32.data[i].value, &stats->data[i].value) | |
361 | || __get_user(s32.data[i].type, &stats->data[i].type)) | |
362 | return -EFAULT; | |
363 | ||
364 | if (copy_to_user(argp, &s32, sizeof(s32))) | |
365 | return -EFAULT; | |
366 | return 0; | |
367 | } | |
368 | ||
369 | typedef struct drm_buf_desc32 { | |
b5e89ed5 DA |
370 | int count; /**< Number of buffers of this size */ |
371 | int size; /**< Size in bytes */ | |
372 | int low_mark; /**< Low water mark */ | |
373 | int high_mark; /**< High water mark */ | |
374 | int flags; | |
375 | u32 agp_start; /**< Start address in the AGP aperture */ | |
9a186645 DA |
376 | } drm_buf_desc32_t; |
377 | ||
378 | static int compat_drm_addbufs(struct file *file, unsigned int cmd, | |
379 | unsigned long arg) | |
380 | { | |
381 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 382 | struct drm_buf_desc __user *buf; |
9a186645 DA |
383 | int err; |
384 | unsigned long agp_start; | |
385 | ||
386 | buf = compat_alloc_user_space(sizeof(*buf)); | |
387 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)) | |
388 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) | |
389 | return -EFAULT; | |
390 | ||
391 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
392 | || __get_user(agp_start, &argp->agp_start) | |
393 | || __put_user(agp_start, &buf->agp_start)) | |
394 | return -EFAULT; | |
395 | ||
cc5ef55f | 396 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 397 | DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
398 | if (err) |
399 | return err; | |
400 | ||
401 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
402 | || __get_user(agp_start, &buf->agp_start) | |
403 | || __put_user(agp_start, &argp->agp_start)) | |
404 | return -EFAULT; | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
410 | unsigned long arg) | |
411 | { | |
412 | drm_buf_desc32_t b32; | |
413 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 414 | struct drm_buf_desc __user *buf; |
9a186645 DA |
415 | |
416 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
417 | return -EFAULT; | |
418 | ||
419 | buf = compat_alloc_user_space(sizeof(*buf)); | |
420 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | |
421 | return -EFAULT; | |
422 | ||
423 | if (__put_user(b32.size, &buf->size) | |
424 | || __put_user(b32.low_mark, &buf->low_mark) | |
425 | || __put_user(b32.high_mark, &buf->high_mark)) | |
426 | return -EFAULT; | |
427 | ||
cc5ef55f | 428 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 429 | DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
430 | } |
431 | ||
432 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
433 | int count; /**< Entries in list */ |
434 | u32 list; | |
9a186645 DA |
435 | } drm_buf_info32_t; |
436 | ||
437 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
438 | unsigned long arg) | |
439 | { | |
440 | drm_buf_info32_t req32; | |
441 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
442 | drm_buf_desc32_t __user *to; | |
ff4135ae DA |
443 | struct drm_buf_info __user *request; |
444 | struct drm_buf_desc __user *list; | |
9a186645 DA |
445 | size_t nbytes; |
446 | int i, err; | |
447 | int count, actual; | |
448 | ||
449 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
450 | return -EFAULT; | |
451 | ||
452 | count = req32.count; | |
b5e89ed5 | 453 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
454 | if (count < 0) |
455 | count = 0; | |
456 | if (count > 0 | |
457 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
458 | return -EFAULT; | |
459 | ||
ff4135ae | 460 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc); |
9a186645 DA |
461 | request = compat_alloc_user_space(nbytes); |
462 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
463 | return -EFAULT; | |
ff4135ae | 464 | list = (struct drm_buf_desc *) (request + 1); |
9a186645 DA |
465 | |
466 | if (__put_user(count, &request->count) | |
467 | || __put_user(list, &request->list)) | |
468 | return -EFAULT; | |
469 | ||
cc5ef55f | 470 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 471 | DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
472 | if (err) |
473 | return err; | |
474 | ||
475 | if (__get_user(actual, &request->count)) | |
476 | return -EFAULT; | |
477 | if (count >= actual) | |
478 | for (i = 0; i < actual; ++i) | |
479 | if (__copy_in_user(&to[i], &list[i], | |
ff4135ae | 480 | offsetof(struct drm_buf_desc, flags))) |
9a186645 DA |
481 | return -EFAULT; |
482 | ||
483 | if (__put_user(actual, &argp->count)) | |
484 | return -EFAULT; | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
490 | int idx; /**< Index into the master buffer list */ |
491 | int total; /**< Buffer size */ | |
492 | int used; /**< Amount of buffer in use (for DMA) */ | |
493 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
494 | } drm_buf_pub32_t; |
495 | ||
496 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
497 | int count; /**< Length of the buffer list */ |
498 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
499 | u32 list; /**< Buffer information */ | |
9a186645 DA |
500 | } drm_buf_map32_t; |
501 | ||
502 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
503 | unsigned long arg) | |
504 | { | |
505 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
506 | drm_buf_map32_t req32; | |
507 | drm_buf_pub32_t __user *list32; | |
ff4135ae DA |
508 | struct drm_buf_map __user *request; |
509 | struct drm_buf_pub __user *list; | |
9a186645 DA |
510 | int i, err; |
511 | int count, actual; | |
512 | size_t nbytes; | |
513 | void __user *addr; | |
514 | ||
515 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
516 | return -EFAULT; | |
517 | count = req32.count; | |
518 | list32 = (void __user *)(unsigned long)req32.list; | |
519 | ||
520 | if (count < 0) | |
521 | return -EINVAL; | |
ff4135ae | 522 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub); |
9a186645 DA |
523 | request = compat_alloc_user_space(nbytes); |
524 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
525 | return -EFAULT; | |
ff4135ae | 526 | list = (struct drm_buf_pub *) (request + 1); |
9a186645 DA |
527 | |
528 | if (__put_user(count, &request->count) | |
529 | || __put_user(list, &request->list)) | |
530 | return -EFAULT; | |
531 | ||
cc5ef55f | 532 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 533 | DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
534 | if (err) |
535 | return err; | |
536 | ||
537 | if (__get_user(actual, &request->count)) | |
538 | return -EFAULT; | |
539 | if (count >= actual) | |
540 | for (i = 0; i < actual; ++i) | |
541 | if (__copy_in_user(&list32[i], &list[i], | |
ff4135ae | 542 | offsetof(struct drm_buf_pub, address)) |
9a186645 | 543 | || __get_user(addr, &list[i].address) |
b5e89ed5 | 544 | || __put_user((unsigned long)addr, |
9a186645 DA |
545 | &list32[i].address)) |
546 | return -EFAULT; | |
547 | ||
548 | if (__put_user(actual, &argp->count) | |
549 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 550 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
551 | return -EFAULT; |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
557 | int count; |
558 | u32 list; | |
9a186645 DA |
559 | } drm_buf_free32_t; |
560 | ||
561 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
562 | unsigned long arg) | |
563 | { | |
564 | drm_buf_free32_t req32; | |
ff4135ae | 565 | struct drm_buf_free __user *request; |
9a186645 DA |
566 | drm_buf_free32_t __user *argp = (void __user *)arg; |
567 | ||
568 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
569 | return -EFAULT; | |
570 | ||
571 | request = compat_alloc_user_space(sizeof(*request)); | |
572 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
573 | return -EFAULT; | |
574 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 575 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
576 | &request->list)) |
577 | return -EFAULT; | |
578 | ||
cc5ef55f | 579 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 580 | DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
581 | } |
582 | ||
583 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
584 | unsigned int ctx_id; /**< Context requesting private mapping */ |
585 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
586 | } drm_ctx_priv_map32_t; |
587 | ||
588 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
589 | unsigned long arg) | |
590 | { | |
591 | drm_ctx_priv_map32_t req32; | |
ff4135ae | 592 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
593 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
594 | ||
595 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
596 | return -EFAULT; | |
597 | ||
598 | request = compat_alloc_user_space(sizeof(*request)); | |
599 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
600 | return -EFAULT; | |
601 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 602 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
603 | &request->handle)) |
604 | return -EFAULT; | |
605 | ||
cc5ef55f | 606 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 607 | DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
608 | } |
609 | ||
610 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
611 | unsigned long arg) | |
612 | { | |
ff4135ae | 613 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
614 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
615 | int err; | |
616 | unsigned int ctx_id; | |
617 | void *handle; | |
618 | ||
619 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
620 | || __get_user(ctx_id, &argp->ctx_id)) | |
621 | return -EFAULT; | |
622 | ||
623 | request = compat_alloc_user_space(sizeof(*request)); | |
624 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
625 | return -EFAULT; | |
626 | if (__put_user(ctx_id, &request->ctx_id)) | |
627 | return -EFAULT; | |
628 | ||
cc5ef55f | 629 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 630 | DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
631 | if (err) |
632 | return err; | |
633 | ||
634 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 635 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
636 | return -EFAULT; |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
641 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
642 | int count; |
643 | u32 contexts; | |
9a186645 DA |
644 | } drm_ctx_res32_t; |
645 | ||
646 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
647 | unsigned long arg) | |
648 | { | |
649 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
650 | drm_ctx_res32_t res32; | |
ff4135ae | 651 | struct drm_ctx_res __user *res; |
9a186645 DA |
652 | int err; |
653 | ||
654 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
655 | return -EFAULT; | |
656 | ||
657 | res = compat_alloc_user_space(sizeof(*res)); | |
658 | if (!access_ok(VERIFY_WRITE, res, sizeof(*res))) | |
659 | return -EFAULT; | |
660 | if (__put_user(res32.count, &res->count) | |
ff4135ae | 661 | || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts, |
9a186645 DA |
662 | &res->contexts)) |
663 | return -EFAULT; | |
664 | ||
cc5ef55f | 665 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 666 | DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
667 | if (err) |
668 | return err; | |
669 | ||
670 | if (__get_user(res32.count, &res->count) | |
671 | || __put_user(res32.count, &argp->count)) | |
672 | return -EFAULT; | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
678 | int context; /**< Context handle */ |
679 | int send_count; /**< Number of buffers to send */ | |
680 | u32 send_indices; /**< List of handles to buffers */ | |
681 | u32 send_sizes; /**< Lengths of data to send */ | |
ff4135ae | 682 | enum drm_dma_flags flags; /**< Flags */ |
b5e89ed5 DA |
683 | int request_count; /**< Number of buffers requested */ |
684 | int request_size; /**< Desired size for buffers */ | |
685 | u32 request_indices; /**< Buffer information */ | |
686 | u32 request_sizes; | |
687 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
688 | } drm_dma32_t; |
689 | ||
690 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
691 | unsigned long arg) | |
692 | { | |
693 | drm_dma32_t d32; | |
b5e89ed5 | 694 | drm_dma32_t __user *argp = (void __user *)arg; |
ff4135ae | 695 | struct drm_dma __user *d; |
9a186645 DA |
696 | int err; |
697 | ||
698 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
699 | return -EFAULT; | |
700 | ||
701 | d = compat_alloc_user_space(sizeof(*d)); | |
702 | if (!access_ok(VERIFY_WRITE, d, sizeof(*d))) | |
703 | return -EFAULT; | |
704 | ||
705 | if (__put_user(d32.context, &d->context) | |
706 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 707 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 708 | &d->send_indices) |
b5e89ed5 | 709 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
710 | &d->send_sizes) |
711 | || __put_user(d32.flags, &d->flags) | |
712 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 713 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 714 | &d->request_indices) |
b5e89ed5 | 715 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
716 | &d->request_sizes)) |
717 | return -EFAULT; | |
718 | ||
cc5ef55f | 719 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 720 | DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
721 | if (err) |
722 | return err; | |
723 | ||
724 | if (__get_user(d32.request_size, &d->request_size) | |
725 | || __get_user(d32.granted_count, &d->granted_count) | |
726 | || __put_user(d32.request_size, &argp->request_size) | |
727 | || __put_user(d32.granted_count, &argp->granted_count)) | |
728 | return -EFAULT; | |
729 | ||
730 | return 0; | |
731 | } | |
732 | ||
733 | #if __OS_HAS_AGP | |
734 | typedef struct drm_agp_mode32 { | |
735 | u32 mode; /**< AGP mode */ | |
736 | } drm_agp_mode32_t; | |
737 | ||
738 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
739 | unsigned long arg) | |
740 | { | |
741 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
742 | drm_agp_mode32_t m32; | |
ff4135ae | 743 | struct drm_agp_mode __user *mode; |
9a186645 DA |
744 | |
745 | if (get_user(m32.mode, &argp->mode)) | |
746 | return -EFAULT; | |
747 | ||
748 | mode = compat_alloc_user_space(sizeof(*mode)); | |
749 | if (put_user(m32.mode, &mode->mode)) | |
750 | return -EFAULT; | |
751 | ||
cc5ef55f | 752 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 753 | DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
754 | } |
755 | ||
756 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
757 | int agp_version_major; |
758 | int agp_version_minor; | |
759 | u32 mode; | |
760 | u32 aperture_base; /* physical address */ | |
761 | u32 aperture_size; /* bytes */ | |
762 | u32 memory_allowed; /* bytes */ | |
763 | u32 memory_used; | |
764 | ||
765 | /* PCI information */ | |
9a186645 DA |
766 | unsigned short id_vendor; |
767 | unsigned short id_device; | |
768 | } drm_agp_info32_t; | |
769 | ||
770 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
771 | unsigned long arg) | |
772 | { | |
773 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
774 | drm_agp_info32_t i32; | |
ff4135ae | 775 | struct drm_agp_info __user *info; |
9a186645 DA |
776 | int err; |
777 | ||
778 | info = compat_alloc_user_space(sizeof(*info)); | |
779 | if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) | |
780 | return -EFAULT; | |
781 | ||
cc5ef55f | 782 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 783 | DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
784 | if (err) |
785 | return err; | |
786 | ||
787 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
788 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
789 | || __get_user(i32.mode, &info->mode) | |
790 | || __get_user(i32.aperture_base, &info->aperture_base) | |
791 | || __get_user(i32.aperture_size, &info->aperture_size) | |
792 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
793 | || __get_user(i32.memory_used, &info->memory_used) | |
794 | || __get_user(i32.id_vendor, &info->id_vendor) | |
795 | || __get_user(i32.id_device, &info->id_device)) | |
796 | return -EFAULT; | |
797 | ||
798 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
799 | return -EFAULT; | |
800 | ||
801 | return 0; | |
802 | } | |
803 | ||
804 | typedef struct drm_agp_buffer32 { | |
805 | u32 size; /**< In bytes -- will round to page boundary */ | |
806 | u32 handle; /**< Used for binding / unbinding */ | |
807 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 808 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
809 | } drm_agp_buffer32_t; |
810 | ||
811 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
812 | unsigned long arg) | |
813 | { | |
814 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
815 | drm_agp_buffer32_t req32; | |
ff4135ae | 816 | struct drm_agp_buffer __user *request; |
9a186645 DA |
817 | int err; |
818 | ||
819 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
820 | return -EFAULT; | |
821 | ||
822 | request = compat_alloc_user_space(sizeof(*request)); | |
823 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
824 | || __put_user(req32.size, &request->size) | |
825 | || __put_user(req32.type, &request->type)) | |
826 | return -EFAULT; | |
827 | ||
cc5ef55f | 828 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 829 | DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
830 | if (err) |
831 | return err; | |
832 | ||
833 | if (__get_user(req32.handle, &request->handle) | |
834 | || __get_user(req32.physical, &request->physical) | |
835 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
cc5ef55f | 836 | drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 837 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
838 | return -EFAULT; |
839 | } | |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
844 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
845 | unsigned long arg) | |
846 | { | |
847 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
ff4135ae | 848 | struct drm_agp_buffer __user *request; |
9a186645 DA |
849 | u32 handle; |
850 | ||
851 | request = compat_alloc_user_space(sizeof(*request)); | |
852 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
853 | || get_user(handle, &argp->handle) | |
854 | || __put_user(handle, &request->handle)) | |
855 | return -EFAULT; | |
856 | ||
cc5ef55f | 857 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 858 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
859 | } |
860 | ||
861 | typedef struct drm_agp_binding32 { | |
862 | u32 handle; /**< From drm_agp_buffer */ | |
863 | u32 offset; /**< In bytes -- will round to page boundary */ | |
864 | } drm_agp_binding32_t; | |
865 | ||
866 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
867 | unsigned long arg) | |
868 | { | |
869 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
870 | drm_agp_binding32_t req32; | |
ff4135ae | 871 | struct drm_agp_binding __user *request; |
9a186645 DA |
872 | |
873 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
874 | return -EFAULT; | |
875 | ||
876 | request = compat_alloc_user_space(sizeof(*request)); | |
877 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
878 | || __put_user(req32.handle, &request->handle) | |
879 | || __put_user(req32.offset, &request->offset)) | |
880 | return -EFAULT; | |
881 | ||
cc5ef55f | 882 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 883 | DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
884 | } |
885 | ||
886 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
887 | unsigned long arg) | |
888 | { | |
889 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
ff4135ae | 890 | struct drm_agp_binding __user *request; |
9a186645 DA |
891 | u32 handle; |
892 | ||
893 | request = compat_alloc_user_space(sizeof(*request)); | |
894 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
895 | || get_user(handle, &argp->handle) | |
896 | || __put_user(handle, &request->handle)) | |
897 | return -EFAULT; | |
898 | ||
cc5ef55f | 899 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 900 | DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 901 | } |
b5e89ed5 | 902 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
903 | |
904 | typedef struct drm_scatter_gather32 { | |
905 | u32 size; /**< In bytes -- will round to page boundary */ | |
906 | u32 handle; /**< Used for mapping / unmapping */ | |
907 | } drm_scatter_gather32_t; | |
908 | ||
909 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
910 | unsigned long arg) | |
911 | { | |
912 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 913 | struct drm_scatter_gather __user *request; |
9a186645 DA |
914 | int err; |
915 | unsigned long x; | |
916 | ||
917 | request = compat_alloc_user_space(sizeof(*request)); | |
918 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
919 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
920 | || __get_user(x, &argp->size) | |
921 | || __put_user(x, &request->size)) | |
922 | return -EFAULT; | |
923 | ||
cc5ef55f | 924 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 925 | DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
926 | if (err) |
927 | return err; | |
928 | ||
929 | /* XXX not sure about the handle conversion here... */ | |
930 | if (__get_user(x, &request->handle) | |
931 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
932 | return -EFAULT; | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
938 | unsigned long arg) | |
939 | { | |
940 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 941 | struct drm_scatter_gather __user *request; |
9a186645 DA |
942 | unsigned long x; |
943 | ||
944 | request = compat_alloc_user_space(sizeof(*request)); | |
945 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
946 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
947 | || __get_user(x, &argp->handle) | |
948 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
949 | return -EFAULT; | |
950 | ||
cc5ef55f | 951 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 952 | DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
953 | } |
954 | ||
955 | struct drm_wait_vblank_request32 { | |
ff4135ae | 956 | enum drm_vblank_seq_type type; |
9a186645 DA |
957 | unsigned int sequence; |
958 | u32 signal; | |
959 | }; | |
960 | ||
961 | struct drm_wait_vblank_reply32 { | |
ff4135ae | 962 | enum drm_vblank_seq_type type; |
9a186645 DA |
963 | unsigned int sequence; |
964 | s32 tval_sec; | |
965 | s32 tval_usec; | |
966 | }; | |
967 | ||
968 | typedef union drm_wait_vblank32 { | |
969 | struct drm_wait_vblank_request32 request; | |
970 | struct drm_wait_vblank_reply32 reply; | |
971 | } drm_wait_vblank32_t; | |
972 | ||
973 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
974 | unsigned long arg) | |
975 | { | |
976 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
977 | drm_wait_vblank32_t req32; | |
ff4135ae | 978 | union drm_wait_vblank __user *request; |
9a186645 DA |
979 | int err; |
980 | ||
981 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
982 | return -EFAULT; | |
983 | ||
984 | request = compat_alloc_user_space(sizeof(*request)); | |
985 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
986 | || __put_user(req32.request.type, &request->request.type) | |
987 | || __put_user(req32.request.sequence, &request->request.sequence) | |
988 | || __put_user(req32.request.signal, &request->request.signal)) | |
989 | return -EFAULT; | |
990 | ||
cc5ef55f | 991 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 992 | DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
993 | if (err) |
994 | return err; | |
995 | ||
996 | if (__get_user(req32.reply.type, &request->reply.type) | |
997 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
998 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
999 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1000 | return -EFAULT; | |
1001 | ||
1002 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1003 | return -EFAULT; | |
1004 | ||
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | drm_ioctl_compat_t *drm_compat_ioctls[] = { | |
1009 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, | |
1010 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1011 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1012 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1013 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1014 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1015 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1016 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1017 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1018 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1019 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1020 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1021 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1022 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1023 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1024 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1025 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1026 | #if __OS_HAS_AGP | |
1027 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1028 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1029 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1030 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1031 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1032 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1033 | #endif | |
1034 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1035 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
1036 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, | |
1037 | }; | |
1038 | ||
1039 | /** | |
1040 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1041 | * performs an ioctl on /dev/drm. | |
1042 | * | |
1043 | * \param filp file pointer. | |
1044 | * \param cmd command. | |
1045 | * \param arg user argument. | |
1046 | * \return zero on success or negative number on failure. | |
1047 | */ | |
1048 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1049 | { | |
1050 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1051 | drm_ioctl_compat_t *fn; | |
1052 | int ret; | |
1053 | ||
3d77461e | 1054 | if (nr >= ARRAY_SIZE(drm_compat_ioctls)) |
9a186645 DA |
1055 | return -ENOTTY; |
1056 | ||
1057 | fn = drm_compat_ioctls[nr]; | |
1058 | ||
1059 | lock_kernel(); /* XXX for now */ | |
1060 | if (fn != NULL) | |
b5e89ed5 | 1061 | ret = (*fn) (filp, cmd, arg); |
9a186645 | 1062 | else |
cc5ef55f | 1063 | ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); |
9a186645 DA |
1064 | unlock_kernel(); |
1065 | ||
1066 | return ret; | |
1067 | } | |
b5e89ed5 | 1068 | |
9a186645 | 1069 | EXPORT_SYMBOL(drm_compat_ioctl); |