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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> |
2d1a8a48 | 32 | #include <linux/export.h> |
9a186645 | 33 | |
760285e7 DH |
34 | #include <drm/drmP.h> |
35 | #include <drm/drm_core.h> | |
9a186645 DA |
36 | |
37 | #define DRM_IOCTL_VERSION32 DRM_IOWR(0x00, drm_version32_t) | |
38 | #define DRM_IOCTL_GET_UNIQUE32 DRM_IOWR(0x01, drm_unique32_t) | |
39 | #define DRM_IOCTL_GET_MAP32 DRM_IOWR(0x04, drm_map32_t) | |
40 | #define DRM_IOCTL_GET_CLIENT32 DRM_IOWR(0x05, drm_client32_t) | |
41 | #define DRM_IOCTL_GET_STATS32 DRM_IOR( 0x06, drm_stats32_t) | |
42 | ||
43 | #define DRM_IOCTL_SET_UNIQUE32 DRM_IOW( 0x10, drm_unique32_t) | |
44 | #define DRM_IOCTL_ADD_MAP32 DRM_IOWR(0x15, drm_map32_t) | |
45 | #define DRM_IOCTL_ADD_BUFS32 DRM_IOWR(0x16, drm_buf_desc32_t) | |
46 | #define DRM_IOCTL_MARK_BUFS32 DRM_IOW( 0x17, drm_buf_desc32_t) | |
47 | #define DRM_IOCTL_INFO_BUFS32 DRM_IOWR(0x18, drm_buf_info32_t) | |
48 | #define DRM_IOCTL_MAP_BUFS32 DRM_IOWR(0x19, drm_buf_map32_t) | |
49 | #define DRM_IOCTL_FREE_BUFS32 DRM_IOW( 0x1a, drm_buf_free32_t) | |
50 | ||
51 | #define DRM_IOCTL_RM_MAP32 DRM_IOW( 0x1b, drm_map32_t) | |
52 | ||
53 | #define DRM_IOCTL_SET_SAREA_CTX32 DRM_IOW( 0x1c, drm_ctx_priv_map32_t) | |
54 | #define DRM_IOCTL_GET_SAREA_CTX32 DRM_IOWR(0x1d, drm_ctx_priv_map32_t) | |
55 | ||
56 | #define DRM_IOCTL_RES_CTX32 DRM_IOWR(0x26, drm_ctx_res32_t) | |
57 | #define DRM_IOCTL_DMA32 DRM_IOWR(0x29, drm_dma32_t) | |
58 | ||
59 | #define DRM_IOCTL_AGP_ENABLE32 DRM_IOW( 0x32, drm_agp_mode32_t) | |
60 | #define DRM_IOCTL_AGP_INFO32 DRM_IOR( 0x33, drm_agp_info32_t) | |
61 | #define DRM_IOCTL_AGP_ALLOC32 DRM_IOWR(0x34, drm_agp_buffer32_t) | |
62 | #define DRM_IOCTL_AGP_FREE32 DRM_IOW( 0x35, drm_agp_buffer32_t) | |
63 | #define DRM_IOCTL_AGP_BIND32 DRM_IOW( 0x36, drm_agp_binding32_t) | |
64 | #define DRM_IOCTL_AGP_UNBIND32 DRM_IOW( 0x37, drm_agp_binding32_t) | |
65 | ||
66 | #define DRM_IOCTL_SG_ALLOC32 DRM_IOW( 0x38, drm_scatter_gather32_t) | |
67 | #define DRM_IOCTL_SG_FREE32 DRM_IOW( 0x39, drm_scatter_gather32_t) | |
68 | ||
49568873 EA |
69 | #define DRM_IOCTL_UPDATE_DRAW32 DRM_IOW( 0x3f, drm_update_draw32_t) |
70 | ||
9a186645 DA |
71 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) |
72 | ||
c631d5f9 TU |
73 | #define DRM_IOCTL_MODE_ADDFB232 DRM_IOWR(0xb8, drm_mode_fb_cmd232_t) |
74 | ||
9a186645 | 75 | typedef struct drm_version_32 { |
b5e89ed5 DA |
76 | int version_major; /**< Major version */ |
77 | int version_minor; /**< Minor version */ | |
78 | int version_patchlevel; /**< Patch level */ | |
79 | u32 name_len; /**< Length of name buffer */ | |
80 | u32 name; /**< Name of driver */ | |
81 | u32 date_len; /**< Length of date buffer */ | |
82 | u32 date; /**< User-space buffer to hold date */ | |
83 | u32 desc_len; /**< Length of desc buffer */ | |
84 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
85 | } drm_version32_t; |
86 | ||
87 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
88 | unsigned long arg) | |
89 | { | |
90 | drm_version32_t v32; | |
ff4135ae | 91 | struct drm_version __user *version; |
9a186645 DA |
92 | int err; |
93 | ||
b5e89ed5 | 94 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
95 | return -EFAULT; |
96 | ||
97 | version = compat_alloc_user_space(sizeof(*version)); | |
1f96beec | 98 | if (!version) |
9a186645 DA |
99 | return -EFAULT; |
100 | if (__put_user(v32.name_len, &version->name_len) | |
101 | || __put_user((void __user *)(unsigned long)v32.name, | |
102 | &version->name) | |
103 | || __put_user(v32.date_len, &version->date_len) | |
104 | || __put_user((void __user *)(unsigned long)v32.date, | |
105 | &version->date) | |
106 | || __put_user(v32.desc_len, &version->desc_len) | |
107 | || __put_user((void __user *)(unsigned long)v32.desc, | |
108 | &version->desc)) | |
109 | return -EFAULT; | |
110 | ||
ed8b6704 | 111 | err = drm_ioctl(file, |
b5e89ed5 | 112 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
113 | if (err) |
114 | return err; | |
115 | ||
116 | if (__get_user(v32.version_major, &version->version_major) | |
117 | || __get_user(v32.version_minor, &version->version_minor) | |
118 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
119 | || __get_user(v32.name_len, &version->name_len) | |
120 | || __get_user(v32.date_len, &version->date_len) | |
121 | || __get_user(v32.desc_len, &version->desc_len)) | |
122 | return -EFAULT; | |
123 | ||
b5e89ed5 | 124 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
125 | return -EFAULT; |
126 | return 0; | |
127 | } | |
128 | ||
129 | typedef struct drm_unique32 { | |
130 | u32 unique_len; /**< Length of unique */ | |
131 | u32 unique; /**< Unique name for driver instantiation */ | |
132 | } drm_unique32_t; | |
133 | ||
134 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
135 | unsigned long arg) | |
136 | { | |
137 | drm_unique32_t uq32; | |
ff4135ae | 138 | struct drm_unique __user *u; |
9a186645 DA |
139 | int err; |
140 | ||
b5e89ed5 | 141 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
142 | return -EFAULT; |
143 | ||
144 | u = compat_alloc_user_space(sizeof(*u)); | |
1f96beec | 145 | if (!u) |
9a186645 DA |
146 | return -EFAULT; |
147 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 148 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
149 | &u->unique)) |
150 | return -EFAULT; | |
151 | ||
ed8b6704 | 152 | err = drm_ioctl(file, DRM_IOCTL_GET_UNIQUE, (unsigned long)u); |
9a186645 DA |
153 | if (err) |
154 | return err; | |
155 | ||
156 | if (__get_user(uq32.unique_len, &u->unique_len)) | |
157 | return -EFAULT; | |
b5e89ed5 | 158 | if (copy_to_user((void __user *)arg, &uq32, sizeof(uq32))) |
9a186645 DA |
159 | return -EFAULT; |
160 | return 0; | |
161 | } | |
162 | ||
163 | static int compat_drm_setunique(struct file *file, unsigned int cmd, | |
164 | unsigned long arg) | |
165 | { | |
166 | drm_unique32_t uq32; | |
ff4135ae | 167 | struct drm_unique __user *u; |
9a186645 | 168 | |
b5e89ed5 | 169 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
170 | return -EFAULT; |
171 | ||
172 | u = compat_alloc_user_space(sizeof(*u)); | |
1f96beec | 173 | if (!u) |
9a186645 DA |
174 | return -EFAULT; |
175 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 176 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
177 | &u->unique)) |
178 | return -EFAULT; | |
179 | ||
ed8b6704 | 180 | return drm_ioctl(file, DRM_IOCTL_SET_UNIQUE, (unsigned long)u); |
9a186645 DA |
181 | } |
182 | ||
183 | typedef struct drm_map32 { | |
b5e89ed5 DA |
184 | u32 offset; /**< Requested physical address (0 for SAREA)*/ |
185 | u32 size; /**< Requested physical size (bytes) */ | |
ff4135ae DA |
186 | enum drm_map_type type; /**< Type of memory to map */ |
187 | enum drm_map_flags flags; /**< Flags */ | |
b5e89ed5 DA |
188 | u32 handle; /**< User-space: "Handle" to pass to mmap() */ |
189 | int mtrr; /**< MTRR slot used */ | |
9a186645 DA |
190 | } drm_map32_t; |
191 | ||
192 | static int compat_drm_getmap(struct file *file, unsigned int cmd, | |
193 | unsigned long arg) | |
194 | { | |
195 | drm_map32_t __user *argp = (void __user *)arg; | |
196 | drm_map32_t m32; | |
ff4135ae | 197 | struct drm_map __user *map; |
9a186645 DA |
198 | int idx, err; |
199 | void *handle; | |
200 | ||
201 | if (get_user(idx, &argp->offset)) | |
202 | return -EFAULT; | |
203 | ||
204 | map = compat_alloc_user_space(sizeof(*map)); | |
1f96beec | 205 | if (!map) |
9a186645 DA |
206 | return -EFAULT; |
207 | if (__put_user(idx, &map->offset)) | |
208 | return -EFAULT; | |
209 | ||
ed8b6704 | 210 | err = drm_ioctl(file, DRM_IOCTL_GET_MAP, (unsigned long)map); |
9a186645 DA |
211 | if (err) |
212 | return err; | |
213 | ||
214 | if (__get_user(m32.offset, &map->offset) | |
215 | || __get_user(m32.size, &map->size) | |
216 | || __get_user(m32.type, &map->type) | |
217 | || __get_user(m32.flags, &map->flags) | |
218 | || __get_user(handle, &map->handle) | |
219 | || __get_user(m32.mtrr, &map->mtrr)) | |
220 | return -EFAULT; | |
221 | ||
b5e89ed5 | 222 | m32.handle = (unsigned long)handle; |
9a186645 DA |
223 | if (copy_to_user(argp, &m32, sizeof(m32))) |
224 | return -EFAULT; | |
225 | return 0; | |
226 | ||
227 | } | |
228 | ||
229 | static int compat_drm_addmap(struct file *file, unsigned int cmd, | |
230 | unsigned long arg) | |
231 | { | |
232 | drm_map32_t __user *argp = (void __user *)arg; | |
233 | drm_map32_t m32; | |
ff4135ae | 234 | struct drm_map __user *map; |
9a186645 DA |
235 | int err; |
236 | void *handle; | |
237 | ||
238 | if (copy_from_user(&m32, argp, sizeof(m32))) | |
239 | return -EFAULT; | |
240 | ||
241 | map = compat_alloc_user_space(sizeof(*map)); | |
1f96beec | 242 | if (!map) |
9a186645 DA |
243 | return -EFAULT; |
244 | if (__put_user(m32.offset, &map->offset) | |
245 | || __put_user(m32.size, &map->size) | |
246 | || __put_user(m32.type, &map->type) | |
247 | || __put_user(m32.flags, &map->flags)) | |
248 | return -EFAULT; | |
249 | ||
ed8b6704 | 250 | err = drm_ioctl(file, DRM_IOCTL_ADD_MAP, (unsigned long)map); |
9a186645 DA |
251 | if (err) |
252 | return err; | |
253 | ||
254 | if (__get_user(m32.offset, &map->offset) | |
255 | || __get_user(m32.mtrr, &map->mtrr) | |
256 | || __get_user(handle, &map->handle)) | |
257 | return -EFAULT; | |
258 | ||
b5e89ed5 | 259 | m32.handle = (unsigned long)handle; |
cafe8d84 CD |
260 | if (m32.handle != (unsigned long)handle) |
261 | printk_ratelimited(KERN_ERR "compat_drm_addmap truncated handle" | |
262 | " %p for type %d offset %x\n", | |
263 | handle, m32.type, m32.offset); | |
9a186645 DA |
264 | |
265 | if (copy_to_user(argp, &m32, sizeof(m32))) | |
266 | return -EFAULT; | |
267 | ||
268 | return 0; | |
269 | } | |
270 | ||
271 | static int compat_drm_rmmap(struct file *file, unsigned int cmd, | |
272 | unsigned long arg) | |
273 | { | |
274 | drm_map32_t __user *argp = (void __user *)arg; | |
ff4135ae | 275 | struct drm_map __user *map; |
9a186645 DA |
276 | u32 handle; |
277 | ||
278 | if (get_user(handle, &argp->handle)) | |
279 | return -EFAULT; | |
280 | ||
281 | map = compat_alloc_user_space(sizeof(*map)); | |
1f96beec | 282 | if (!map) |
9a186645 | 283 | return -EFAULT; |
b5e89ed5 | 284 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
285 | return -EFAULT; |
286 | ||
ed8b6704 | 287 | return drm_ioctl(file, DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
288 | } |
289 | ||
290 | typedef struct drm_client32 { | |
b5e89ed5 DA |
291 | int idx; /**< Which client desired? */ |
292 | int auth; /**< Is client authenticated? */ | |
293 | u32 pid; /**< Process ID */ | |
294 | u32 uid; /**< User ID */ | |
295 | u32 magic; /**< Magic */ | |
296 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
297 | } drm_client32_t; |
298 | ||
299 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
300 | unsigned long arg) | |
301 | { | |
302 | drm_client32_t c32; | |
303 | drm_client32_t __user *argp = (void __user *)arg; | |
ff4135ae | 304 | struct drm_client __user *client; |
9a186645 DA |
305 | int idx, err; |
306 | ||
307 | if (get_user(idx, &argp->idx)) | |
308 | return -EFAULT; | |
309 | ||
310 | client = compat_alloc_user_space(sizeof(*client)); | |
1f96beec | 311 | if (!client) |
9a186645 DA |
312 | return -EFAULT; |
313 | if (__put_user(idx, &client->idx)) | |
314 | return -EFAULT; | |
315 | ||
ed8b6704 | 316 | err = drm_ioctl(file, DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
317 | if (err) |
318 | return err; | |
319 | ||
08bc3d4e JL |
320 | if (__get_user(c32.idx, &client->idx) |
321 | || __get_user(c32.auth, &client->auth) | |
9a186645 DA |
322 | || __get_user(c32.pid, &client->pid) |
323 | || __get_user(c32.uid, &client->uid) | |
324 | || __get_user(c32.magic, &client->magic) | |
325 | || __get_user(c32.iocs, &client->iocs)) | |
326 | return -EFAULT; | |
327 | ||
328 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
329 | return -EFAULT; | |
330 | return 0; | |
331 | } | |
332 | ||
333 | typedef struct drm_stats32 { | |
334 | u32 count; | |
335 | struct { | |
336 | u32 value; | |
ff4135ae | 337 | enum drm_stat_type type; |
9a186645 DA |
338 | } data[15]; |
339 | } drm_stats32_t; | |
340 | ||
341 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
342 | unsigned long arg) | |
343 | { | |
344 | drm_stats32_t s32; | |
345 | drm_stats32_t __user *argp = (void __user *)arg; | |
ff4135ae | 346 | struct drm_stats __user *stats; |
9a186645 DA |
347 | int i, err; |
348 | ||
349 | stats = compat_alloc_user_space(sizeof(*stats)); | |
1f96beec | 350 | if (!stats) |
9a186645 DA |
351 | return -EFAULT; |
352 | ||
ed8b6704 | 353 | err = drm_ioctl(file, 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)); | |
1f96beec | 387 | if (!buf || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) |
9a186645 DA |
388 | return -EFAULT; |
389 | ||
390 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
391 | || __get_user(agp_start, &argp->agp_start) | |
392 | || __put_user(agp_start, &buf->agp_start)) | |
393 | return -EFAULT; | |
394 | ||
ed8b6704 | 395 | err = drm_ioctl(file, DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
396 | if (err) |
397 | return err; | |
398 | ||
399 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
400 | || __get_user(agp_start, &buf->agp_start) | |
401 | || __put_user(agp_start, &argp->agp_start)) | |
402 | return -EFAULT; | |
403 | ||
404 | return 0; | |
405 | } | |
406 | ||
407 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
408 | unsigned long arg) | |
409 | { | |
410 | drm_buf_desc32_t b32; | |
411 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 412 | struct drm_buf_desc __user *buf; |
9a186645 DA |
413 | |
414 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
415 | return -EFAULT; | |
416 | ||
417 | buf = compat_alloc_user_space(sizeof(*buf)); | |
1f96beec | 418 | if (!buf) |
9a186645 DA |
419 | return -EFAULT; |
420 | ||
421 | if (__put_user(b32.size, &buf->size) | |
422 | || __put_user(b32.low_mark, &buf->low_mark) | |
423 | || __put_user(b32.high_mark, &buf->high_mark)) | |
424 | return -EFAULT; | |
425 | ||
ed8b6704 | 426 | return drm_ioctl(file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
427 | } |
428 | ||
429 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
430 | int count; /**< Entries in list */ |
431 | u32 list; | |
9a186645 DA |
432 | } drm_buf_info32_t; |
433 | ||
434 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
435 | unsigned long arg) | |
436 | { | |
437 | drm_buf_info32_t req32; | |
438 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
439 | drm_buf_desc32_t __user *to; | |
ff4135ae DA |
440 | struct drm_buf_info __user *request; |
441 | struct drm_buf_desc __user *list; | |
9a186645 DA |
442 | size_t nbytes; |
443 | int i, err; | |
444 | int count, actual; | |
445 | ||
446 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
447 | return -EFAULT; | |
448 | ||
449 | count = req32.count; | |
b5e89ed5 | 450 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
451 | if (count < 0) |
452 | count = 0; | |
453 | if (count > 0 | |
454 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
455 | return -EFAULT; | |
456 | ||
ff4135ae | 457 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc); |
9a186645 | 458 | request = compat_alloc_user_space(nbytes); |
1f96beec | 459 | if (!request) |
9a186645 | 460 | return -EFAULT; |
ff4135ae | 461 | list = (struct drm_buf_desc *) (request + 1); |
9a186645 DA |
462 | |
463 | if (__put_user(count, &request->count) | |
464 | || __put_user(list, &request->list)) | |
465 | return -EFAULT; | |
466 | ||
ed8b6704 | 467 | err = drm_ioctl(file, DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
468 | if (err) |
469 | return err; | |
470 | ||
471 | if (__get_user(actual, &request->count)) | |
472 | return -EFAULT; | |
473 | if (count >= actual) | |
474 | for (i = 0; i < actual; ++i) | |
475 | if (__copy_in_user(&to[i], &list[i], | |
ff4135ae | 476 | offsetof(struct drm_buf_desc, flags))) |
9a186645 DA |
477 | return -EFAULT; |
478 | ||
479 | if (__put_user(actual, &argp->count)) | |
480 | return -EFAULT; | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
485 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
486 | int idx; /**< Index into the master buffer list */ |
487 | int total; /**< Buffer size */ | |
488 | int used; /**< Amount of buffer in use (for DMA) */ | |
489 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
490 | } drm_buf_pub32_t; |
491 | ||
492 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
493 | int count; /**< Length of the buffer list */ |
494 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
495 | u32 list; /**< Buffer information */ | |
9a186645 DA |
496 | } drm_buf_map32_t; |
497 | ||
498 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
499 | unsigned long arg) | |
500 | { | |
501 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
502 | drm_buf_map32_t req32; | |
503 | drm_buf_pub32_t __user *list32; | |
ff4135ae DA |
504 | struct drm_buf_map __user *request; |
505 | struct drm_buf_pub __user *list; | |
9a186645 DA |
506 | int i, err; |
507 | int count, actual; | |
508 | size_t nbytes; | |
509 | void __user *addr; | |
510 | ||
511 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
512 | return -EFAULT; | |
513 | count = req32.count; | |
514 | list32 = (void __user *)(unsigned long)req32.list; | |
515 | ||
516 | if (count < 0) | |
517 | return -EINVAL; | |
ff4135ae | 518 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub); |
9a186645 | 519 | request = compat_alloc_user_space(nbytes); |
1f96beec | 520 | if (!request) |
9a186645 | 521 | return -EFAULT; |
ff4135ae | 522 | list = (struct drm_buf_pub *) (request + 1); |
9a186645 DA |
523 | |
524 | if (__put_user(count, &request->count) | |
525 | || __put_user(list, &request->list)) | |
526 | return -EFAULT; | |
527 | ||
ed8b6704 | 528 | err = drm_ioctl(file, DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
529 | if (err) |
530 | return err; | |
531 | ||
532 | if (__get_user(actual, &request->count)) | |
533 | return -EFAULT; | |
534 | if (count >= actual) | |
535 | for (i = 0; i < actual; ++i) | |
536 | if (__copy_in_user(&list32[i], &list[i], | |
ff4135ae | 537 | offsetof(struct drm_buf_pub, address)) |
9a186645 | 538 | || __get_user(addr, &list[i].address) |
b5e89ed5 | 539 | || __put_user((unsigned long)addr, |
9a186645 DA |
540 | &list32[i].address)) |
541 | return -EFAULT; | |
542 | ||
543 | if (__put_user(actual, &argp->count) | |
544 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 545 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
546 | return -EFAULT; |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
551 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
552 | int count; |
553 | u32 list; | |
9a186645 DA |
554 | } drm_buf_free32_t; |
555 | ||
556 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
557 | unsigned long arg) | |
558 | { | |
559 | drm_buf_free32_t req32; | |
ff4135ae | 560 | struct drm_buf_free __user *request; |
9a186645 DA |
561 | drm_buf_free32_t __user *argp = (void __user *)arg; |
562 | ||
563 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
564 | return -EFAULT; | |
565 | ||
566 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 567 | if (!request) |
9a186645 DA |
568 | return -EFAULT; |
569 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 570 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
571 | &request->list)) |
572 | return -EFAULT; | |
573 | ||
ed8b6704 | 574 | return drm_ioctl(file, DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
575 | } |
576 | ||
577 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
578 | unsigned int ctx_id; /**< Context requesting private mapping */ |
579 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
580 | } drm_ctx_priv_map32_t; |
581 | ||
582 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
583 | unsigned long arg) | |
584 | { | |
585 | drm_ctx_priv_map32_t req32; | |
ff4135ae | 586 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
587 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
588 | ||
589 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
590 | return -EFAULT; | |
591 | ||
592 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 593 | if (!request) |
9a186645 DA |
594 | return -EFAULT; |
595 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 596 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
597 | &request->handle)) |
598 | return -EFAULT; | |
599 | ||
ed8b6704 | 600 | return drm_ioctl(file, DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
601 | } |
602 | ||
603 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
604 | unsigned long arg) | |
605 | { | |
ff4135ae | 606 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
607 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
608 | int err; | |
609 | unsigned int ctx_id; | |
610 | void *handle; | |
611 | ||
612 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
613 | || __get_user(ctx_id, &argp->ctx_id)) | |
614 | return -EFAULT; | |
615 | ||
616 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 617 | if (!request) |
9a186645 DA |
618 | return -EFAULT; |
619 | if (__put_user(ctx_id, &request->ctx_id)) | |
620 | return -EFAULT; | |
621 | ||
ed8b6704 | 622 | err = drm_ioctl(file, DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
623 | if (err) |
624 | return err; | |
625 | ||
626 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 627 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
628 | return -EFAULT; |
629 | ||
630 | return 0; | |
631 | } | |
632 | ||
633 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
634 | int count; |
635 | u32 contexts; | |
9a186645 DA |
636 | } drm_ctx_res32_t; |
637 | ||
638 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
639 | unsigned long arg) | |
640 | { | |
641 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
642 | drm_ctx_res32_t res32; | |
ff4135ae | 643 | struct drm_ctx_res __user *res; |
9a186645 DA |
644 | int err; |
645 | ||
646 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
647 | return -EFAULT; | |
648 | ||
649 | res = compat_alloc_user_space(sizeof(*res)); | |
1f96beec | 650 | if (!res) |
9a186645 DA |
651 | return -EFAULT; |
652 | if (__put_user(res32.count, &res->count) | |
ff4135ae | 653 | || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts, |
9a186645 DA |
654 | &res->contexts)) |
655 | return -EFAULT; | |
656 | ||
ed8b6704 | 657 | err = drm_ioctl(file, DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
658 | if (err) |
659 | return err; | |
660 | ||
661 | if (__get_user(res32.count, &res->count) | |
662 | || __put_user(res32.count, &argp->count)) | |
663 | return -EFAULT; | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
668 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
669 | int context; /**< Context handle */ |
670 | int send_count; /**< Number of buffers to send */ | |
671 | u32 send_indices; /**< List of handles to buffers */ | |
672 | u32 send_sizes; /**< Lengths of data to send */ | |
ff4135ae | 673 | enum drm_dma_flags flags; /**< Flags */ |
b5e89ed5 DA |
674 | int request_count; /**< Number of buffers requested */ |
675 | int request_size; /**< Desired size for buffers */ | |
676 | u32 request_indices; /**< Buffer information */ | |
677 | u32 request_sizes; | |
678 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
679 | } drm_dma32_t; |
680 | ||
681 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
682 | unsigned long arg) | |
683 | { | |
684 | drm_dma32_t d32; | |
b5e89ed5 | 685 | drm_dma32_t __user *argp = (void __user *)arg; |
ff4135ae | 686 | struct drm_dma __user *d; |
9a186645 DA |
687 | int err; |
688 | ||
689 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
690 | return -EFAULT; | |
691 | ||
692 | d = compat_alloc_user_space(sizeof(*d)); | |
1f96beec | 693 | if (!d) |
9a186645 DA |
694 | return -EFAULT; |
695 | ||
696 | if (__put_user(d32.context, &d->context) | |
697 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 698 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 699 | &d->send_indices) |
b5e89ed5 | 700 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
701 | &d->send_sizes) |
702 | || __put_user(d32.flags, &d->flags) | |
703 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 704 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 705 | &d->request_indices) |
b5e89ed5 | 706 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
707 | &d->request_sizes)) |
708 | return -EFAULT; | |
709 | ||
ed8b6704 | 710 | err = drm_ioctl(file, DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
711 | if (err) |
712 | return err; | |
713 | ||
714 | if (__get_user(d32.request_size, &d->request_size) | |
715 | || __get_user(d32.granted_count, &d->granted_count) | |
716 | || __put_user(d32.request_size, &argp->request_size) | |
717 | || __put_user(d32.granted_count, &argp->granted_count)) | |
718 | return -EFAULT; | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
723 | #if __OS_HAS_AGP | |
724 | typedef struct drm_agp_mode32 { | |
725 | u32 mode; /**< AGP mode */ | |
726 | } drm_agp_mode32_t; | |
727 | ||
728 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
729 | unsigned long arg) | |
730 | { | |
731 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
732 | drm_agp_mode32_t m32; | |
ff4135ae | 733 | struct drm_agp_mode __user *mode; |
9a186645 DA |
734 | |
735 | if (get_user(m32.mode, &argp->mode)) | |
736 | return -EFAULT; | |
737 | ||
738 | mode = compat_alloc_user_space(sizeof(*mode)); | |
739 | if (put_user(m32.mode, &mode->mode)) | |
740 | return -EFAULT; | |
741 | ||
ed8b6704 | 742 | return drm_ioctl(file, DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
743 | } |
744 | ||
745 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
746 | int agp_version_major; |
747 | int agp_version_minor; | |
748 | u32 mode; | |
749 | u32 aperture_base; /* physical address */ | |
750 | u32 aperture_size; /* bytes */ | |
751 | u32 memory_allowed; /* bytes */ | |
752 | u32 memory_used; | |
753 | ||
754 | /* PCI information */ | |
9a186645 DA |
755 | unsigned short id_vendor; |
756 | unsigned short id_device; | |
757 | } drm_agp_info32_t; | |
758 | ||
759 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
760 | unsigned long arg) | |
761 | { | |
762 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
763 | drm_agp_info32_t i32; | |
ff4135ae | 764 | struct drm_agp_info __user *info; |
9a186645 DA |
765 | int err; |
766 | ||
767 | info = compat_alloc_user_space(sizeof(*info)); | |
1f96beec | 768 | if (!info) |
9a186645 DA |
769 | return -EFAULT; |
770 | ||
ed8b6704 | 771 | err = drm_ioctl(file, DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
772 | if (err) |
773 | return err; | |
774 | ||
775 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
776 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
777 | || __get_user(i32.mode, &info->mode) | |
778 | || __get_user(i32.aperture_base, &info->aperture_base) | |
779 | || __get_user(i32.aperture_size, &info->aperture_size) | |
780 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
781 | || __get_user(i32.memory_used, &info->memory_used) | |
782 | || __get_user(i32.id_vendor, &info->id_vendor) | |
783 | || __get_user(i32.id_device, &info->id_device)) | |
784 | return -EFAULT; | |
785 | ||
786 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
787 | return -EFAULT; | |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | typedef struct drm_agp_buffer32 { | |
793 | u32 size; /**< In bytes -- will round to page boundary */ | |
794 | u32 handle; /**< Used for binding / unbinding */ | |
795 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 796 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
797 | } drm_agp_buffer32_t; |
798 | ||
799 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
800 | unsigned long arg) | |
801 | { | |
802 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
803 | drm_agp_buffer32_t req32; | |
ff4135ae | 804 | struct drm_agp_buffer __user *request; |
9a186645 DA |
805 | int err; |
806 | ||
807 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
808 | return -EFAULT; | |
809 | ||
810 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 811 | if (!request |
9a186645 DA |
812 | || __put_user(req32.size, &request->size) |
813 | || __put_user(req32.type, &request->type)) | |
814 | return -EFAULT; | |
815 | ||
ed8b6704 | 816 | err = drm_ioctl(file, DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
817 | if (err) |
818 | return err; | |
819 | ||
820 | if (__get_user(req32.handle, &request->handle) | |
821 | || __get_user(req32.physical, &request->physical) | |
822 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
ed8b6704 | 823 | drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
824 | return -EFAULT; |
825 | } | |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
831 | unsigned long arg) | |
832 | { | |
833 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
ff4135ae | 834 | struct drm_agp_buffer __user *request; |
9a186645 DA |
835 | u32 handle; |
836 | ||
837 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 838 | if (!request |
9a186645 DA |
839 | || get_user(handle, &argp->handle) |
840 | || __put_user(handle, &request->handle)) | |
841 | return -EFAULT; | |
842 | ||
ed8b6704 | 843 | return drm_ioctl(file, DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
844 | } |
845 | ||
846 | typedef struct drm_agp_binding32 { | |
847 | u32 handle; /**< From drm_agp_buffer */ | |
848 | u32 offset; /**< In bytes -- will round to page boundary */ | |
849 | } drm_agp_binding32_t; | |
850 | ||
851 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
852 | unsigned long arg) | |
853 | { | |
854 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
855 | drm_agp_binding32_t req32; | |
ff4135ae | 856 | struct drm_agp_binding __user *request; |
9a186645 DA |
857 | |
858 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
859 | return -EFAULT; | |
860 | ||
861 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 862 | if (!request |
9a186645 DA |
863 | || __put_user(req32.handle, &request->handle) |
864 | || __put_user(req32.offset, &request->offset)) | |
865 | return -EFAULT; | |
866 | ||
ed8b6704 | 867 | return drm_ioctl(file, DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
868 | } |
869 | ||
870 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
871 | unsigned long arg) | |
872 | { | |
873 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
ff4135ae | 874 | struct drm_agp_binding __user *request; |
9a186645 DA |
875 | u32 handle; |
876 | ||
877 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 878 | if (!request |
9a186645 DA |
879 | || get_user(handle, &argp->handle) |
880 | || __put_user(handle, &request->handle)) | |
881 | return -EFAULT; | |
882 | ||
ed8b6704 | 883 | return drm_ioctl(file, DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 884 | } |
b5e89ed5 | 885 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
886 | |
887 | typedef struct drm_scatter_gather32 { | |
888 | u32 size; /**< In bytes -- will round to page boundary */ | |
889 | u32 handle; /**< Used for mapping / unmapping */ | |
890 | } drm_scatter_gather32_t; | |
891 | ||
892 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
893 | unsigned long arg) | |
894 | { | |
895 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 896 | struct drm_scatter_gather __user *request; |
9a186645 DA |
897 | int err; |
898 | unsigned long x; | |
899 | ||
900 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 901 | if (!request || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) |
9a186645 DA |
902 | || __get_user(x, &argp->size) |
903 | || __put_user(x, &request->size)) | |
904 | return -EFAULT; | |
905 | ||
ed8b6704 | 906 | err = drm_ioctl(file, DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
907 | if (err) |
908 | return err; | |
909 | ||
910 | /* XXX not sure about the handle conversion here... */ | |
911 | if (__get_user(x, &request->handle) | |
912 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
913 | return -EFAULT; | |
914 | ||
915 | return 0; | |
916 | } | |
917 | ||
918 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
919 | unsigned long arg) | |
920 | { | |
921 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 922 | struct drm_scatter_gather __user *request; |
9a186645 DA |
923 | unsigned long x; |
924 | ||
925 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 926 | if (!request || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) |
9a186645 DA |
927 | || __get_user(x, &argp->handle) |
928 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
929 | return -EFAULT; | |
930 | ||
ed8b6704 | 931 | return drm_ioctl(file, DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
932 | } |
933 | ||
09e40d65 | 934 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 EA |
935 | typedef struct drm_update_draw32 { |
936 | drm_drawable_t handle; | |
937 | unsigned int type; | |
938 | unsigned int num; | |
939 | /* 64-bit version has a 32-bit pad here */ | |
940 | u64 data; /**< Pointer */ | |
941 | } __attribute__((packed)) drm_update_draw32_t; | |
942 | ||
943 | static int compat_drm_update_draw(struct file *file, unsigned int cmd, | |
944 | unsigned long arg) | |
945 | { | |
946 | drm_update_draw32_t update32; | |
947 | struct drm_update_draw __user *request; | |
948 | int err; | |
949 | ||
950 | if (copy_from_user(&update32, (void __user *)arg, sizeof(update32))) | |
951 | return -EFAULT; | |
952 | ||
953 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 954 | if (!request || |
49568873 EA |
955 | __put_user(update32.handle, &request->handle) || |
956 | __put_user(update32.type, &request->type) || | |
957 | __put_user(update32.num, &request->num) || | |
958 | __put_user(update32.data, &request->data)) | |
959 | return -EFAULT; | |
960 | ||
ed8b6704 | 961 | err = drm_ioctl(file, DRM_IOCTL_UPDATE_DRAW, (unsigned long)request); |
49568873 EA |
962 | return err; |
963 | } | |
09e40d65 | 964 | #endif |
49568873 | 965 | |
9a186645 | 966 | struct drm_wait_vblank_request32 { |
ff4135ae | 967 | enum drm_vblank_seq_type type; |
9a186645 DA |
968 | unsigned int sequence; |
969 | u32 signal; | |
970 | }; | |
971 | ||
972 | struct drm_wait_vblank_reply32 { | |
ff4135ae | 973 | enum drm_vblank_seq_type type; |
9a186645 DA |
974 | unsigned int sequence; |
975 | s32 tval_sec; | |
976 | s32 tval_usec; | |
977 | }; | |
978 | ||
979 | typedef union drm_wait_vblank32 { | |
980 | struct drm_wait_vblank_request32 request; | |
981 | struct drm_wait_vblank_reply32 reply; | |
982 | } drm_wait_vblank32_t; | |
983 | ||
984 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
985 | unsigned long arg) | |
986 | { | |
987 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
988 | drm_wait_vblank32_t req32; | |
ff4135ae | 989 | union drm_wait_vblank __user *request; |
9a186645 DA |
990 | int err; |
991 | ||
992 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
993 | return -EFAULT; | |
994 | ||
995 | request = compat_alloc_user_space(sizeof(*request)); | |
1f96beec | 996 | if (!request |
9a186645 DA |
997 | || __put_user(req32.request.type, &request->request.type) |
998 | || __put_user(req32.request.sequence, &request->request.sequence) | |
999 | || __put_user(req32.request.signal, &request->request.signal)) | |
1000 | return -EFAULT; | |
1001 | ||
ed8b6704 | 1002 | err = drm_ioctl(file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
1003 | if (err) |
1004 | return err; | |
1005 | ||
1006 | if (__get_user(req32.reply.type, &request->reply.type) | |
1007 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
1008 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
1009 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1010 | return -EFAULT; | |
1011 | ||
1012 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1013 | return -EFAULT; | |
1014 | ||
1015 | return 0; | |
1016 | } | |
1017 | ||
c631d5f9 TU |
1018 | typedef struct drm_mode_fb_cmd232 { |
1019 | u32 fb_id; | |
1020 | u32 width; | |
1021 | u32 height; | |
1022 | u32 pixel_format; | |
1023 | u32 flags; | |
1024 | u32 handles[4]; | |
1025 | u32 pitches[4]; | |
1026 | u32 offsets[4]; | |
1027 | u64 modifier[4]; | |
1028 | } __attribute__((packed)) drm_mode_fb_cmd232_t; | |
1029 | ||
1030 | static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, | |
1031 | unsigned long arg) | |
1032 | { | |
1033 | struct drm_mode_fb_cmd232 __user *argp = (void __user *)arg; | |
1034 | struct drm_mode_fb_cmd232 req32; | |
1035 | struct drm_mode_fb_cmd2 __user *req64; | |
1036 | int i; | |
1037 | int err; | |
1038 | ||
1039 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
1040 | return -EFAULT; | |
1041 | ||
1042 | req64 = compat_alloc_user_space(sizeof(*req64)); | |
1043 | ||
1044 | if (!access_ok(VERIFY_WRITE, req64, sizeof(*req64)) | |
1045 | || __put_user(req32.width, &req64->width) | |
1046 | || __put_user(req32.height, &req64->height) | |
1047 | || __put_user(req32.pixel_format, &req64->pixel_format) | |
1048 | || __put_user(req32.flags, &req64->flags)) | |
1049 | return -EFAULT; | |
1050 | ||
1051 | for (i = 0; i < 4; i++) { | |
1052 | if (__put_user(req32.handles[i], &req64->handles[i])) | |
1053 | return -EFAULT; | |
1054 | if (__put_user(req32.pitches[i], &req64->pitches[i])) | |
1055 | return -EFAULT; | |
1056 | if (__put_user(req32.offsets[i], &req64->offsets[i])) | |
1057 | return -EFAULT; | |
1058 | if (__put_user(req32.modifier[i], &req64->modifier[i])) | |
1059 | return -EFAULT; | |
1060 | } | |
1061 | ||
1062 | err = drm_ioctl(file, DRM_IOCTL_MODE_ADDFB2, (unsigned long)req64); | |
1063 | if (err) | |
1064 | return err; | |
1065 | ||
1066 | if (__get_user(req32.fb_id, &req64->fb_id)) | |
1067 | return -EFAULT; | |
1068 | ||
1069 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1070 | return -EFAULT; | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
43fc884e | 1075 | static drm_ioctl_compat_t *drm_compat_ioctls[] = { |
9a186645 DA |
1076 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, |
1077 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1078 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1079 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1080 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1081 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1082 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1083 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1084 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1085 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1086 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1087 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1088 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1089 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1090 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1091 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1092 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1093 | #if __OS_HAS_AGP | |
1094 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1095 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1096 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1097 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1098 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1099 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1100 | #endif | |
1101 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1102 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
09e40d65 | 1103 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 | 1104 | [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, |
09e40d65 | 1105 | #endif |
9a186645 | 1106 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, |
c631d5f9 | 1107 | [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, |
9a186645 DA |
1108 | }; |
1109 | ||
1110 | /** | |
1111 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1112 | * performs an ioctl on /dev/drm. | |
1113 | * | |
6c340eac | 1114 | * \param file_priv DRM file private. |
9a186645 DA |
1115 | * \param cmd command. |
1116 | * \param arg user argument. | |
1117 | * \return zero on success or negative number on failure. | |
1118 | */ | |
1119 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1120 | { | |
1121 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1122 | drm_ioctl_compat_t *fn; | |
1123 | int ret; | |
1124 | ||
7ffa05e0 IR |
1125 | /* Assume that ioctls without an explicit compat routine will just |
1126 | * work. This may not always be a good assumption, but it's better | |
1127 | * than always failing. | |
1128 | */ | |
3d77461e | 1129 | if (nr >= ARRAY_SIZE(drm_compat_ioctls)) |
ed8b6704 | 1130 | return drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1131 | |
1132 | fn = drm_compat_ioctls[nr]; | |
1133 | ||
9a186645 | 1134 | if (fn != NULL) |
b5e89ed5 | 1135 | ret = (*fn) (filp, cmd, arg); |
9a186645 | 1136 | else |
ed8b6704 | 1137 | ret = drm_ioctl(filp, cmd, arg); |
9a186645 DA |
1138 | |
1139 | return ret; | |
1140 | } | |
b5e89ed5 | 1141 | |
9a186645 | 1142 | EXPORT_SYMBOL(drm_compat_ioctl); |