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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 | ||
49568873 EA |
67 | #define DRM_IOCTL_UPDATE_DRAW32 DRM_IOW( 0x3f, drm_update_draw32_t) |
68 | ||
9a186645 DA |
69 | #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) |
70 | ||
71 | typedef struct drm_version_32 { | |
b5e89ed5 DA |
72 | int version_major; /**< Major version */ |
73 | int version_minor; /**< Minor version */ | |
74 | int version_patchlevel; /**< Patch level */ | |
75 | u32 name_len; /**< Length of name buffer */ | |
76 | u32 name; /**< Name of driver */ | |
77 | u32 date_len; /**< Length of date buffer */ | |
78 | u32 date; /**< User-space buffer to hold date */ | |
79 | u32 desc_len; /**< Length of desc buffer */ | |
80 | u32 desc; /**< User-space buffer to hold desc */ | |
9a186645 DA |
81 | } drm_version32_t; |
82 | ||
83 | static int compat_drm_version(struct file *file, unsigned int cmd, | |
84 | unsigned long arg) | |
85 | { | |
86 | drm_version32_t v32; | |
ff4135ae | 87 | struct drm_version __user *version; |
9a186645 DA |
88 | int err; |
89 | ||
b5e89ed5 | 90 | if (copy_from_user(&v32, (void __user *)arg, sizeof(v32))) |
9a186645 DA |
91 | return -EFAULT; |
92 | ||
93 | version = compat_alloc_user_space(sizeof(*version)); | |
94 | if (!access_ok(VERIFY_WRITE, version, sizeof(*version))) | |
95 | return -EFAULT; | |
96 | if (__put_user(v32.name_len, &version->name_len) | |
97 | || __put_user((void __user *)(unsigned long)v32.name, | |
98 | &version->name) | |
99 | || __put_user(v32.date_len, &version->date_len) | |
100 | || __put_user((void __user *)(unsigned long)v32.date, | |
101 | &version->date) | |
102 | || __put_user(v32.desc_len, &version->desc_len) | |
103 | || __put_user((void __user *)(unsigned long)v32.desc, | |
104 | &version->desc)) | |
105 | return -EFAULT; | |
106 | ||
cc5ef55f | 107 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 108 | DRM_IOCTL_VERSION, (unsigned long)version); |
9a186645 DA |
109 | if (err) |
110 | return err; | |
111 | ||
112 | if (__get_user(v32.version_major, &version->version_major) | |
113 | || __get_user(v32.version_minor, &version->version_minor) | |
114 | || __get_user(v32.version_patchlevel, &version->version_patchlevel) | |
115 | || __get_user(v32.name_len, &version->name_len) | |
116 | || __get_user(v32.date_len, &version->date_len) | |
117 | || __get_user(v32.desc_len, &version->desc_len)) | |
118 | return -EFAULT; | |
119 | ||
b5e89ed5 | 120 | if (copy_to_user((void __user *)arg, &v32, sizeof(v32))) |
9a186645 DA |
121 | return -EFAULT; |
122 | return 0; | |
123 | } | |
124 | ||
125 | typedef struct drm_unique32 { | |
126 | u32 unique_len; /**< Length of unique */ | |
127 | u32 unique; /**< Unique name for driver instantiation */ | |
128 | } drm_unique32_t; | |
129 | ||
130 | static int compat_drm_getunique(struct file *file, unsigned int cmd, | |
131 | unsigned long arg) | |
132 | { | |
133 | drm_unique32_t uq32; | |
ff4135ae | 134 | struct drm_unique __user *u; |
9a186645 DA |
135 | int err; |
136 | ||
b5e89ed5 | 137 | if (copy_from_user(&uq32, (void __user *)arg, sizeof(uq32))) |
9a186645 DA |
138 | return -EFAULT; |
139 | ||
140 | u = compat_alloc_user_space(sizeof(*u)); | |
141 | if (!access_ok(VERIFY_WRITE, u, sizeof(*u))) | |
142 | return -EFAULT; | |
143 | if (__put_user(uq32.unique_len, &u->unique_len) | |
b5e89ed5 | 144 | || __put_user((void __user *)(unsigned long)uq32.unique, |
9a186645 DA |
145 | &u->unique)) |
146 | return -EFAULT; | |
147 | ||
cc5ef55f | 148 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 149 | 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 | ||
cc5ef55f | 177 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 178 | DRM_IOCTL_SET_UNIQUE, (unsigned long)u); |
9a186645 DA |
179 | } |
180 | ||
181 | typedef struct drm_map32 { | |
b5e89ed5 DA |
182 | u32 offset; /**< Requested physical address (0 for SAREA)*/ |
183 | u32 size; /**< Requested physical size (bytes) */ | |
ff4135ae DA |
184 | enum drm_map_type type; /**< Type of memory to map */ |
185 | enum drm_map_flags flags; /**< Flags */ | |
b5e89ed5 DA |
186 | u32 handle; /**< User-space: "Handle" to pass to mmap() */ |
187 | int mtrr; /**< MTRR slot used */ | |
9a186645 DA |
188 | } drm_map32_t; |
189 | ||
190 | static int compat_drm_getmap(struct file *file, unsigned int cmd, | |
191 | unsigned long arg) | |
192 | { | |
193 | drm_map32_t __user *argp = (void __user *)arg; | |
194 | drm_map32_t m32; | |
ff4135ae | 195 | struct drm_map __user *map; |
9a186645 DA |
196 | int idx, err; |
197 | void *handle; | |
198 | ||
199 | if (get_user(idx, &argp->offset)) | |
200 | return -EFAULT; | |
201 | ||
202 | map = compat_alloc_user_space(sizeof(*map)); | |
203 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
204 | return -EFAULT; | |
205 | if (__put_user(idx, &map->offset)) | |
206 | return -EFAULT; | |
207 | ||
cc5ef55f | 208 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 209 | DRM_IOCTL_GET_MAP, (unsigned long)map); |
9a186645 DA |
210 | if (err) |
211 | return err; | |
212 | ||
213 | if (__get_user(m32.offset, &map->offset) | |
214 | || __get_user(m32.size, &map->size) | |
215 | || __get_user(m32.type, &map->type) | |
216 | || __get_user(m32.flags, &map->flags) | |
217 | || __get_user(handle, &map->handle) | |
218 | || __get_user(m32.mtrr, &map->mtrr)) | |
219 | return -EFAULT; | |
220 | ||
b5e89ed5 | 221 | m32.handle = (unsigned long)handle; |
9a186645 DA |
222 | if (copy_to_user(argp, &m32, sizeof(m32))) |
223 | return -EFAULT; | |
224 | return 0; | |
225 | ||
226 | } | |
227 | ||
228 | static int compat_drm_addmap(struct file *file, unsigned int cmd, | |
229 | unsigned long arg) | |
230 | { | |
231 | drm_map32_t __user *argp = (void __user *)arg; | |
232 | drm_map32_t m32; | |
ff4135ae | 233 | struct drm_map __user *map; |
9a186645 DA |
234 | int err; |
235 | void *handle; | |
236 | ||
237 | if (copy_from_user(&m32, argp, sizeof(m32))) | |
238 | return -EFAULT; | |
239 | ||
240 | map = compat_alloc_user_space(sizeof(*map)); | |
241 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
242 | return -EFAULT; | |
243 | if (__put_user(m32.offset, &map->offset) | |
244 | || __put_user(m32.size, &map->size) | |
245 | || __put_user(m32.type, &map->type) | |
246 | || __put_user(m32.flags, &map->flags)) | |
247 | return -EFAULT; | |
248 | ||
cc5ef55f | 249 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 250 | 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 DA |
259 | m32.handle = (unsigned long)handle; |
260 | if (m32.handle != (unsigned long)handle && printk_ratelimit()) | |
9a186645 DA |
261 | printk(KERN_ERR "compat_drm_addmap truncated handle" |
262 | " %p for type %d offset %x\n", | |
263 | handle, m32.type, m32.offset); | |
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)); | |
282 | if (!access_ok(VERIFY_WRITE, map, sizeof(*map))) | |
283 | return -EFAULT; | |
b5e89ed5 | 284 | if (__put_user((void *)(unsigned long)handle, &map->handle)) |
9a186645 DA |
285 | return -EFAULT; |
286 | ||
cc5ef55f | 287 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 288 | DRM_IOCTL_RM_MAP, (unsigned long)map); |
9a186645 DA |
289 | } |
290 | ||
291 | typedef struct drm_client32 { | |
b5e89ed5 DA |
292 | int idx; /**< Which client desired? */ |
293 | int auth; /**< Is client authenticated? */ | |
294 | u32 pid; /**< Process ID */ | |
295 | u32 uid; /**< User ID */ | |
296 | u32 magic; /**< Magic */ | |
297 | u32 iocs; /**< Ioctl count */ | |
9a186645 DA |
298 | } drm_client32_t; |
299 | ||
300 | static int compat_drm_getclient(struct file *file, unsigned int cmd, | |
301 | unsigned long arg) | |
302 | { | |
303 | drm_client32_t c32; | |
304 | drm_client32_t __user *argp = (void __user *)arg; | |
ff4135ae | 305 | struct drm_client __user *client; |
9a186645 DA |
306 | int idx, err; |
307 | ||
308 | if (get_user(idx, &argp->idx)) | |
309 | return -EFAULT; | |
310 | ||
311 | client = compat_alloc_user_space(sizeof(*client)); | |
312 | if (!access_ok(VERIFY_WRITE, client, sizeof(*client))) | |
313 | return -EFAULT; | |
314 | if (__put_user(idx, &client->idx)) | |
315 | return -EFAULT; | |
316 | ||
cc5ef55f | 317 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 318 | DRM_IOCTL_GET_CLIENT, (unsigned long)client); |
9a186645 DA |
319 | if (err) |
320 | return err; | |
321 | ||
322 | if (__get_user(c32.auth, &client->auth) | |
323 | || __get_user(c32.pid, &client->pid) | |
324 | || __get_user(c32.uid, &client->uid) | |
325 | || __get_user(c32.magic, &client->magic) | |
326 | || __get_user(c32.iocs, &client->iocs)) | |
327 | return -EFAULT; | |
328 | ||
329 | if (copy_to_user(argp, &c32, sizeof(c32))) | |
330 | return -EFAULT; | |
331 | return 0; | |
332 | } | |
333 | ||
334 | typedef struct drm_stats32 { | |
335 | u32 count; | |
336 | struct { | |
337 | u32 value; | |
ff4135ae | 338 | enum drm_stat_type type; |
9a186645 DA |
339 | } data[15]; |
340 | } drm_stats32_t; | |
341 | ||
342 | static int compat_drm_getstats(struct file *file, unsigned int cmd, | |
343 | unsigned long arg) | |
344 | { | |
345 | drm_stats32_t s32; | |
346 | drm_stats32_t __user *argp = (void __user *)arg; | |
ff4135ae | 347 | struct drm_stats __user *stats; |
9a186645 DA |
348 | int i, err; |
349 | ||
350 | stats = compat_alloc_user_space(sizeof(*stats)); | |
351 | if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) | |
352 | return -EFAULT; | |
353 | ||
cc5ef55f | 354 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 355 | DRM_IOCTL_GET_STATS, (unsigned long)stats); |
9a186645 DA |
356 | if (err) |
357 | return err; | |
358 | ||
359 | if (__get_user(s32.count, &stats->count)) | |
360 | return -EFAULT; | |
361 | for (i = 0; i < 15; ++i) | |
362 | if (__get_user(s32.data[i].value, &stats->data[i].value) | |
363 | || __get_user(s32.data[i].type, &stats->data[i].type)) | |
364 | return -EFAULT; | |
365 | ||
366 | if (copy_to_user(argp, &s32, sizeof(s32))) | |
367 | return -EFAULT; | |
368 | return 0; | |
369 | } | |
370 | ||
371 | typedef struct drm_buf_desc32 { | |
b5e89ed5 DA |
372 | int count; /**< Number of buffers of this size */ |
373 | int size; /**< Size in bytes */ | |
374 | int low_mark; /**< Low water mark */ | |
375 | int high_mark; /**< High water mark */ | |
376 | int flags; | |
377 | u32 agp_start; /**< Start address in the AGP aperture */ | |
9a186645 DA |
378 | } drm_buf_desc32_t; |
379 | ||
380 | static int compat_drm_addbufs(struct file *file, unsigned int cmd, | |
381 | unsigned long arg) | |
382 | { | |
383 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 384 | struct drm_buf_desc __user *buf; |
9a186645 DA |
385 | int err; |
386 | unsigned long agp_start; | |
387 | ||
388 | buf = compat_alloc_user_space(sizeof(*buf)); | |
389 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)) | |
390 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))) | |
391 | return -EFAULT; | |
392 | ||
393 | if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start)) | |
394 | || __get_user(agp_start, &argp->agp_start) | |
395 | || __put_user(agp_start, &buf->agp_start)) | |
396 | return -EFAULT; | |
397 | ||
cc5ef55f | 398 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 399 | DRM_IOCTL_ADD_BUFS, (unsigned long)buf); |
9a186645 DA |
400 | if (err) |
401 | return err; | |
402 | ||
403 | if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start)) | |
404 | || __get_user(agp_start, &buf->agp_start) | |
405 | || __put_user(agp_start, &argp->agp_start)) | |
406 | return -EFAULT; | |
407 | ||
408 | return 0; | |
409 | } | |
410 | ||
411 | static int compat_drm_markbufs(struct file *file, unsigned int cmd, | |
412 | unsigned long arg) | |
413 | { | |
414 | drm_buf_desc32_t b32; | |
415 | drm_buf_desc32_t __user *argp = (void __user *)arg; | |
ff4135ae | 416 | struct drm_buf_desc __user *buf; |
9a186645 DA |
417 | |
418 | if (copy_from_user(&b32, argp, sizeof(b32))) | |
419 | return -EFAULT; | |
420 | ||
421 | buf = compat_alloc_user_space(sizeof(*buf)); | |
422 | if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))) | |
423 | return -EFAULT; | |
424 | ||
425 | if (__put_user(b32.size, &buf->size) | |
426 | || __put_user(b32.low_mark, &buf->low_mark) | |
427 | || __put_user(b32.high_mark, &buf->high_mark)) | |
428 | return -EFAULT; | |
429 | ||
cc5ef55f | 430 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 431 | DRM_IOCTL_MARK_BUFS, (unsigned long)buf); |
9a186645 DA |
432 | } |
433 | ||
434 | typedef struct drm_buf_info32 { | |
b5e89ed5 DA |
435 | int count; /**< Entries in list */ |
436 | u32 list; | |
9a186645 DA |
437 | } drm_buf_info32_t; |
438 | ||
439 | static int compat_drm_infobufs(struct file *file, unsigned int cmd, | |
440 | unsigned long arg) | |
441 | { | |
442 | drm_buf_info32_t req32; | |
443 | drm_buf_info32_t __user *argp = (void __user *)arg; | |
444 | drm_buf_desc32_t __user *to; | |
ff4135ae DA |
445 | struct drm_buf_info __user *request; |
446 | struct drm_buf_desc __user *list; | |
9a186645 DA |
447 | size_t nbytes; |
448 | int i, err; | |
449 | int count, actual; | |
450 | ||
451 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
452 | return -EFAULT; | |
453 | ||
454 | count = req32.count; | |
b5e89ed5 | 455 | to = (drm_buf_desc32_t __user *) (unsigned long)req32.list; |
9a186645 DA |
456 | if (count < 0) |
457 | count = 0; | |
458 | if (count > 0 | |
459 | && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t))) | |
460 | return -EFAULT; | |
461 | ||
ff4135ae | 462 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_desc); |
9a186645 DA |
463 | request = compat_alloc_user_space(nbytes); |
464 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
465 | return -EFAULT; | |
ff4135ae | 466 | list = (struct drm_buf_desc *) (request + 1); |
9a186645 DA |
467 | |
468 | if (__put_user(count, &request->count) | |
469 | || __put_user(list, &request->list)) | |
470 | return -EFAULT; | |
471 | ||
cc5ef55f | 472 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 473 | DRM_IOCTL_INFO_BUFS, (unsigned long)request); |
9a186645 DA |
474 | if (err) |
475 | return err; | |
476 | ||
477 | if (__get_user(actual, &request->count)) | |
478 | return -EFAULT; | |
479 | if (count >= actual) | |
480 | for (i = 0; i < actual; ++i) | |
481 | if (__copy_in_user(&to[i], &list[i], | |
ff4135ae | 482 | offsetof(struct drm_buf_desc, flags))) |
9a186645 DA |
483 | return -EFAULT; |
484 | ||
485 | if (__put_user(actual, &argp->count)) | |
486 | return -EFAULT; | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | typedef struct drm_buf_pub32 { | |
b5e89ed5 DA |
492 | int idx; /**< Index into the master buffer list */ |
493 | int total; /**< Buffer size */ | |
494 | int used; /**< Amount of buffer in use (for DMA) */ | |
495 | u32 address; /**< Address of buffer */ | |
9a186645 DA |
496 | } drm_buf_pub32_t; |
497 | ||
498 | typedef struct drm_buf_map32 { | |
b5e89ed5 DA |
499 | int count; /**< Length of the buffer list */ |
500 | u32 virtual; /**< Mmap'd area in user-virtual */ | |
501 | u32 list; /**< Buffer information */ | |
9a186645 DA |
502 | } drm_buf_map32_t; |
503 | ||
504 | static int compat_drm_mapbufs(struct file *file, unsigned int cmd, | |
505 | unsigned long arg) | |
506 | { | |
507 | drm_buf_map32_t __user *argp = (void __user *)arg; | |
508 | drm_buf_map32_t req32; | |
509 | drm_buf_pub32_t __user *list32; | |
ff4135ae DA |
510 | struct drm_buf_map __user *request; |
511 | struct drm_buf_pub __user *list; | |
9a186645 DA |
512 | int i, err; |
513 | int count, actual; | |
514 | size_t nbytes; | |
515 | void __user *addr; | |
516 | ||
517 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
518 | return -EFAULT; | |
519 | count = req32.count; | |
520 | list32 = (void __user *)(unsigned long)req32.list; | |
521 | ||
522 | if (count < 0) | |
523 | return -EINVAL; | |
ff4135ae | 524 | nbytes = sizeof(*request) + count * sizeof(struct drm_buf_pub); |
9a186645 DA |
525 | request = compat_alloc_user_space(nbytes); |
526 | if (!access_ok(VERIFY_WRITE, request, nbytes)) | |
527 | return -EFAULT; | |
ff4135ae | 528 | list = (struct drm_buf_pub *) (request + 1); |
9a186645 DA |
529 | |
530 | if (__put_user(count, &request->count) | |
531 | || __put_user(list, &request->list)) | |
532 | return -EFAULT; | |
533 | ||
cc5ef55f | 534 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 535 | DRM_IOCTL_MAP_BUFS, (unsigned long)request); |
9a186645 DA |
536 | if (err) |
537 | return err; | |
538 | ||
539 | if (__get_user(actual, &request->count)) | |
540 | return -EFAULT; | |
541 | if (count >= actual) | |
542 | for (i = 0; i < actual; ++i) | |
543 | if (__copy_in_user(&list32[i], &list[i], | |
ff4135ae | 544 | offsetof(struct drm_buf_pub, address)) |
9a186645 | 545 | || __get_user(addr, &list[i].address) |
b5e89ed5 | 546 | || __put_user((unsigned long)addr, |
9a186645 DA |
547 | &list32[i].address)) |
548 | return -EFAULT; | |
549 | ||
550 | if (__put_user(actual, &argp->count) | |
551 | || __get_user(addr, &request->virtual) | |
b5e89ed5 | 552 | || __put_user((unsigned long)addr, &argp->virtual)) |
9a186645 DA |
553 | return -EFAULT; |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | typedef struct drm_buf_free32 { | |
b5e89ed5 DA |
559 | int count; |
560 | u32 list; | |
9a186645 DA |
561 | } drm_buf_free32_t; |
562 | ||
563 | static int compat_drm_freebufs(struct file *file, unsigned int cmd, | |
564 | unsigned long arg) | |
565 | { | |
566 | drm_buf_free32_t req32; | |
ff4135ae | 567 | struct drm_buf_free __user *request; |
9a186645 DA |
568 | drm_buf_free32_t __user *argp = (void __user *)arg; |
569 | ||
570 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
571 | return -EFAULT; | |
572 | ||
573 | request = compat_alloc_user_space(sizeof(*request)); | |
574 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
575 | return -EFAULT; | |
576 | if (__put_user(req32.count, &request->count) | |
b5e89ed5 | 577 | || __put_user((int __user *)(unsigned long)req32.list, |
9a186645 DA |
578 | &request->list)) |
579 | return -EFAULT; | |
580 | ||
cc5ef55f | 581 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 582 | DRM_IOCTL_FREE_BUFS, (unsigned long)request); |
9a186645 DA |
583 | } |
584 | ||
585 | typedef struct drm_ctx_priv_map32 { | |
b5e89ed5 DA |
586 | unsigned int ctx_id; /**< Context requesting private mapping */ |
587 | u32 handle; /**< Handle of map */ | |
9a186645 DA |
588 | } drm_ctx_priv_map32_t; |
589 | ||
590 | static int compat_drm_setsareactx(struct file *file, unsigned int cmd, | |
591 | unsigned long arg) | |
592 | { | |
593 | drm_ctx_priv_map32_t req32; | |
ff4135ae | 594 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
595 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
596 | ||
597 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
598 | return -EFAULT; | |
599 | ||
600 | request = compat_alloc_user_space(sizeof(*request)); | |
601 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
602 | return -EFAULT; | |
603 | if (__put_user(req32.ctx_id, &request->ctx_id) | |
b5e89ed5 | 604 | || __put_user((void *)(unsigned long)req32.handle, |
9a186645 DA |
605 | &request->handle)) |
606 | return -EFAULT; | |
607 | ||
cc5ef55f | 608 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 609 | DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
610 | } |
611 | ||
612 | static int compat_drm_getsareactx(struct file *file, unsigned int cmd, | |
613 | unsigned long arg) | |
614 | { | |
ff4135ae | 615 | struct drm_ctx_priv_map __user *request; |
9a186645 DA |
616 | drm_ctx_priv_map32_t __user *argp = (void __user *)arg; |
617 | int err; | |
618 | unsigned int ctx_id; | |
619 | void *handle; | |
620 | ||
621 | if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
622 | || __get_user(ctx_id, &argp->ctx_id)) | |
623 | return -EFAULT; | |
624 | ||
625 | request = compat_alloc_user_space(sizeof(*request)); | |
626 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request))) | |
627 | return -EFAULT; | |
628 | if (__put_user(ctx_id, &request->ctx_id)) | |
629 | return -EFAULT; | |
630 | ||
cc5ef55f | 631 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 632 | DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); |
9a186645 DA |
633 | if (err) |
634 | return err; | |
635 | ||
636 | if (__get_user(handle, &request->handle) | |
b5e89ed5 | 637 | || __put_user((unsigned long)handle, &argp->handle)) |
9a186645 DA |
638 | return -EFAULT; |
639 | ||
640 | return 0; | |
641 | } | |
642 | ||
643 | typedef struct drm_ctx_res32 { | |
b5e89ed5 DA |
644 | int count; |
645 | u32 contexts; | |
9a186645 DA |
646 | } drm_ctx_res32_t; |
647 | ||
648 | static int compat_drm_resctx(struct file *file, unsigned int cmd, | |
649 | unsigned long arg) | |
650 | { | |
651 | drm_ctx_res32_t __user *argp = (void __user *)arg; | |
652 | drm_ctx_res32_t res32; | |
ff4135ae | 653 | struct drm_ctx_res __user *res; |
9a186645 DA |
654 | int err; |
655 | ||
656 | if (copy_from_user(&res32, argp, sizeof(res32))) | |
657 | return -EFAULT; | |
658 | ||
659 | res = compat_alloc_user_space(sizeof(*res)); | |
660 | if (!access_ok(VERIFY_WRITE, res, sizeof(*res))) | |
661 | return -EFAULT; | |
662 | if (__put_user(res32.count, &res->count) | |
ff4135ae | 663 | || __put_user((struct drm_ctx __user *) (unsigned long)res32.contexts, |
9a186645 DA |
664 | &res->contexts)) |
665 | return -EFAULT; | |
666 | ||
cc5ef55f | 667 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 668 | DRM_IOCTL_RES_CTX, (unsigned long)res); |
9a186645 DA |
669 | if (err) |
670 | return err; | |
671 | ||
672 | if (__get_user(res32.count, &res->count) | |
673 | || __put_user(res32.count, &argp->count)) | |
674 | return -EFAULT; | |
675 | ||
676 | return 0; | |
677 | } | |
678 | ||
679 | typedef struct drm_dma32 { | |
b5e89ed5 DA |
680 | int context; /**< Context handle */ |
681 | int send_count; /**< Number of buffers to send */ | |
682 | u32 send_indices; /**< List of handles to buffers */ | |
683 | u32 send_sizes; /**< Lengths of data to send */ | |
ff4135ae | 684 | enum drm_dma_flags flags; /**< Flags */ |
b5e89ed5 DA |
685 | int request_count; /**< Number of buffers requested */ |
686 | int request_size; /**< Desired size for buffers */ | |
687 | u32 request_indices; /**< Buffer information */ | |
688 | u32 request_sizes; | |
689 | int granted_count; /**< Number of buffers granted */ | |
9a186645 DA |
690 | } drm_dma32_t; |
691 | ||
692 | static int compat_drm_dma(struct file *file, unsigned int cmd, | |
693 | unsigned long arg) | |
694 | { | |
695 | drm_dma32_t d32; | |
b5e89ed5 | 696 | drm_dma32_t __user *argp = (void __user *)arg; |
ff4135ae | 697 | struct drm_dma __user *d; |
9a186645 DA |
698 | int err; |
699 | ||
700 | if (copy_from_user(&d32, argp, sizeof(d32))) | |
701 | return -EFAULT; | |
702 | ||
703 | d = compat_alloc_user_space(sizeof(*d)); | |
704 | if (!access_ok(VERIFY_WRITE, d, sizeof(*d))) | |
705 | return -EFAULT; | |
706 | ||
707 | if (__put_user(d32.context, &d->context) | |
708 | || __put_user(d32.send_count, &d->send_count) | |
b5e89ed5 | 709 | || __put_user((int __user *)(unsigned long)d32.send_indices, |
9a186645 | 710 | &d->send_indices) |
b5e89ed5 | 711 | || __put_user((int __user *)(unsigned long)d32.send_sizes, |
9a186645 DA |
712 | &d->send_sizes) |
713 | || __put_user(d32.flags, &d->flags) | |
714 | || __put_user(d32.request_count, &d->request_count) | |
b5e89ed5 | 715 | || __put_user((int __user *)(unsigned long)d32.request_indices, |
9a186645 | 716 | &d->request_indices) |
b5e89ed5 | 717 | || __put_user((int __user *)(unsigned long)d32.request_sizes, |
9a186645 DA |
718 | &d->request_sizes)) |
719 | return -EFAULT; | |
720 | ||
cc5ef55f | 721 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 722 | DRM_IOCTL_DMA, (unsigned long)d); |
9a186645 DA |
723 | if (err) |
724 | return err; | |
725 | ||
726 | if (__get_user(d32.request_size, &d->request_size) | |
727 | || __get_user(d32.granted_count, &d->granted_count) | |
728 | || __put_user(d32.request_size, &argp->request_size) | |
729 | || __put_user(d32.granted_count, &argp->granted_count)) | |
730 | return -EFAULT; | |
731 | ||
732 | return 0; | |
733 | } | |
734 | ||
735 | #if __OS_HAS_AGP | |
736 | typedef struct drm_agp_mode32 { | |
737 | u32 mode; /**< AGP mode */ | |
738 | } drm_agp_mode32_t; | |
739 | ||
740 | static int compat_drm_agp_enable(struct file *file, unsigned int cmd, | |
741 | unsigned long arg) | |
742 | { | |
743 | drm_agp_mode32_t __user *argp = (void __user *)arg; | |
744 | drm_agp_mode32_t m32; | |
ff4135ae | 745 | struct drm_agp_mode __user *mode; |
9a186645 DA |
746 | |
747 | if (get_user(m32.mode, &argp->mode)) | |
748 | return -EFAULT; | |
749 | ||
750 | mode = compat_alloc_user_space(sizeof(*mode)); | |
751 | if (put_user(m32.mode, &mode->mode)) | |
752 | return -EFAULT; | |
753 | ||
cc5ef55f | 754 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 755 | DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); |
9a186645 DA |
756 | } |
757 | ||
758 | typedef struct drm_agp_info32 { | |
b5e89ed5 DA |
759 | int agp_version_major; |
760 | int agp_version_minor; | |
761 | u32 mode; | |
762 | u32 aperture_base; /* physical address */ | |
763 | u32 aperture_size; /* bytes */ | |
764 | u32 memory_allowed; /* bytes */ | |
765 | u32 memory_used; | |
766 | ||
767 | /* PCI information */ | |
9a186645 DA |
768 | unsigned short id_vendor; |
769 | unsigned short id_device; | |
770 | } drm_agp_info32_t; | |
771 | ||
772 | static int compat_drm_agp_info(struct file *file, unsigned int cmd, | |
773 | unsigned long arg) | |
774 | { | |
775 | drm_agp_info32_t __user *argp = (void __user *)arg; | |
776 | drm_agp_info32_t i32; | |
ff4135ae | 777 | struct drm_agp_info __user *info; |
9a186645 DA |
778 | int err; |
779 | ||
780 | info = compat_alloc_user_space(sizeof(*info)); | |
781 | if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) | |
782 | return -EFAULT; | |
783 | ||
cc5ef55f | 784 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 785 | DRM_IOCTL_AGP_INFO, (unsigned long)info); |
9a186645 DA |
786 | if (err) |
787 | return err; | |
788 | ||
789 | if (__get_user(i32.agp_version_major, &info->agp_version_major) | |
790 | || __get_user(i32.agp_version_minor, &info->agp_version_minor) | |
791 | || __get_user(i32.mode, &info->mode) | |
792 | || __get_user(i32.aperture_base, &info->aperture_base) | |
793 | || __get_user(i32.aperture_size, &info->aperture_size) | |
794 | || __get_user(i32.memory_allowed, &info->memory_allowed) | |
795 | || __get_user(i32.memory_used, &info->memory_used) | |
796 | || __get_user(i32.id_vendor, &info->id_vendor) | |
797 | || __get_user(i32.id_device, &info->id_device)) | |
798 | return -EFAULT; | |
799 | ||
800 | if (copy_to_user(argp, &i32, sizeof(i32))) | |
801 | return -EFAULT; | |
802 | ||
803 | return 0; | |
804 | } | |
805 | ||
806 | typedef struct drm_agp_buffer32 { | |
807 | u32 size; /**< In bytes -- will round to page boundary */ | |
808 | u32 handle; /**< Used for binding / unbinding */ | |
809 | u32 type; /**< Type of memory to allocate */ | |
b5e89ed5 | 810 | u32 physical; /**< Physical used by i810 */ |
9a186645 DA |
811 | } drm_agp_buffer32_t; |
812 | ||
813 | static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, | |
814 | unsigned long arg) | |
815 | { | |
816 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
817 | drm_agp_buffer32_t req32; | |
ff4135ae | 818 | struct drm_agp_buffer __user *request; |
9a186645 DA |
819 | int err; |
820 | ||
821 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
822 | return -EFAULT; | |
823 | ||
824 | request = compat_alloc_user_space(sizeof(*request)); | |
825 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
826 | || __put_user(req32.size, &request->size) | |
827 | || __put_user(req32.type, &request->type)) | |
828 | return -EFAULT; | |
829 | ||
cc5ef55f | 830 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 831 | DRM_IOCTL_AGP_ALLOC, (unsigned long)request); |
9a186645 DA |
832 | if (err) |
833 | return err; | |
834 | ||
835 | if (__get_user(req32.handle, &request->handle) | |
836 | || __get_user(req32.physical, &request->physical) | |
837 | || copy_to_user(argp, &req32, sizeof(req32))) { | |
cc5ef55f | 838 | drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 839 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
840 | return -EFAULT; |
841 | } | |
842 | ||
843 | return 0; | |
844 | } | |
845 | ||
846 | static int compat_drm_agp_free(struct file *file, unsigned int cmd, | |
847 | unsigned long arg) | |
848 | { | |
849 | drm_agp_buffer32_t __user *argp = (void __user *)arg; | |
ff4135ae | 850 | struct drm_agp_buffer __user *request; |
9a186645 DA |
851 | u32 handle; |
852 | ||
853 | request = compat_alloc_user_space(sizeof(*request)); | |
854 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
855 | || get_user(handle, &argp->handle) | |
856 | || __put_user(handle, &request->handle)) | |
857 | return -EFAULT; | |
858 | ||
cc5ef55f | 859 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 860 | DRM_IOCTL_AGP_FREE, (unsigned long)request); |
9a186645 DA |
861 | } |
862 | ||
863 | typedef struct drm_agp_binding32 { | |
864 | u32 handle; /**< From drm_agp_buffer */ | |
865 | u32 offset; /**< In bytes -- will round to page boundary */ | |
866 | } drm_agp_binding32_t; | |
867 | ||
868 | static int compat_drm_agp_bind(struct file *file, unsigned int cmd, | |
869 | unsigned long arg) | |
870 | { | |
871 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
872 | drm_agp_binding32_t req32; | |
ff4135ae | 873 | struct drm_agp_binding __user *request; |
9a186645 DA |
874 | |
875 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
876 | return -EFAULT; | |
877 | ||
878 | request = compat_alloc_user_space(sizeof(*request)); | |
879 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
880 | || __put_user(req32.handle, &request->handle) | |
881 | || __put_user(req32.offset, &request->offset)) | |
882 | return -EFAULT; | |
883 | ||
cc5ef55f | 884 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 885 | DRM_IOCTL_AGP_BIND, (unsigned long)request); |
9a186645 DA |
886 | } |
887 | ||
888 | static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, | |
889 | unsigned long arg) | |
890 | { | |
891 | drm_agp_binding32_t __user *argp = (void __user *)arg; | |
ff4135ae | 892 | struct drm_agp_binding __user *request; |
9a186645 DA |
893 | u32 handle; |
894 | ||
895 | request = compat_alloc_user_space(sizeof(*request)); | |
896 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
897 | || get_user(handle, &argp->handle) | |
898 | || __put_user(handle, &request->handle)) | |
899 | return -EFAULT; | |
900 | ||
cc5ef55f | 901 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 902 | DRM_IOCTL_AGP_UNBIND, (unsigned long)request); |
9a186645 | 903 | } |
b5e89ed5 | 904 | #endif /* __OS_HAS_AGP */ |
9a186645 DA |
905 | |
906 | typedef struct drm_scatter_gather32 { | |
907 | u32 size; /**< In bytes -- will round to page boundary */ | |
908 | u32 handle; /**< Used for mapping / unmapping */ | |
909 | } drm_scatter_gather32_t; | |
910 | ||
911 | static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, | |
912 | unsigned long arg) | |
913 | { | |
914 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 915 | struct drm_scatter_gather __user *request; |
9a186645 DA |
916 | int err; |
917 | unsigned long x; | |
918 | ||
919 | request = compat_alloc_user_space(sizeof(*request)); | |
920 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
921 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
922 | || __get_user(x, &argp->size) | |
923 | || __put_user(x, &request->size)) | |
924 | return -EFAULT; | |
925 | ||
cc5ef55f | 926 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 927 | DRM_IOCTL_SG_ALLOC, (unsigned long)request); |
9a186645 DA |
928 | if (err) |
929 | return err; | |
930 | ||
931 | /* XXX not sure about the handle conversion here... */ | |
932 | if (__get_user(x, &request->handle) | |
933 | || __put_user(x >> PAGE_SHIFT, &argp->handle)) | |
934 | return -EFAULT; | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
939 | static int compat_drm_sg_free(struct file *file, unsigned int cmd, | |
940 | unsigned long arg) | |
941 | { | |
942 | drm_scatter_gather32_t __user *argp = (void __user *)arg; | |
ff4135ae | 943 | struct drm_scatter_gather __user *request; |
9a186645 DA |
944 | unsigned long x; |
945 | ||
946 | request = compat_alloc_user_space(sizeof(*request)); | |
947 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
948 | || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)) | |
949 | || __get_user(x, &argp->handle) | |
950 | || __put_user(x << PAGE_SHIFT, &request->handle)) | |
951 | return -EFAULT; | |
952 | ||
cc5ef55f | 953 | return drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 954 | DRM_IOCTL_SG_FREE, (unsigned long)request); |
9a186645 DA |
955 | } |
956 | ||
09e40d65 | 957 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 EA |
958 | typedef struct drm_update_draw32 { |
959 | drm_drawable_t handle; | |
960 | unsigned int type; | |
961 | unsigned int num; | |
962 | /* 64-bit version has a 32-bit pad here */ | |
963 | u64 data; /**< Pointer */ | |
964 | } __attribute__((packed)) drm_update_draw32_t; | |
965 | ||
966 | static int compat_drm_update_draw(struct file *file, unsigned int cmd, | |
967 | unsigned long arg) | |
968 | { | |
969 | drm_update_draw32_t update32; | |
970 | struct drm_update_draw __user *request; | |
971 | int err; | |
972 | ||
973 | if (copy_from_user(&update32, (void __user *)arg, sizeof(update32))) | |
974 | return -EFAULT; | |
975 | ||
976 | request = compat_alloc_user_space(sizeof(*request)); | |
977 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) || | |
978 | __put_user(update32.handle, &request->handle) || | |
979 | __put_user(update32.type, &request->type) || | |
980 | __put_user(update32.num, &request->num) || | |
981 | __put_user(update32.data, &request->data)) | |
982 | return -EFAULT; | |
983 | ||
984 | err = drm_ioctl(file->f_path.dentry->d_inode, file, | |
985 | DRM_IOCTL_UPDATE_DRAW, (unsigned long)request); | |
986 | return err; | |
987 | } | |
09e40d65 | 988 | #endif |
49568873 | 989 | |
9a186645 | 990 | struct drm_wait_vblank_request32 { |
ff4135ae | 991 | enum drm_vblank_seq_type type; |
9a186645 DA |
992 | unsigned int sequence; |
993 | u32 signal; | |
994 | }; | |
995 | ||
996 | struct drm_wait_vblank_reply32 { | |
ff4135ae | 997 | enum drm_vblank_seq_type type; |
9a186645 DA |
998 | unsigned int sequence; |
999 | s32 tval_sec; | |
1000 | s32 tval_usec; | |
1001 | }; | |
1002 | ||
1003 | typedef union drm_wait_vblank32 { | |
1004 | struct drm_wait_vblank_request32 request; | |
1005 | struct drm_wait_vblank_reply32 reply; | |
1006 | } drm_wait_vblank32_t; | |
1007 | ||
1008 | static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, | |
1009 | unsigned long arg) | |
1010 | { | |
1011 | drm_wait_vblank32_t __user *argp = (void __user *)arg; | |
1012 | drm_wait_vblank32_t req32; | |
ff4135ae | 1013 | union drm_wait_vblank __user *request; |
9a186645 DA |
1014 | int err; |
1015 | ||
1016 | if (copy_from_user(&req32, argp, sizeof(req32))) | |
1017 | return -EFAULT; | |
1018 | ||
1019 | request = compat_alloc_user_space(sizeof(*request)); | |
1020 | if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) | |
1021 | || __put_user(req32.request.type, &request->request.type) | |
1022 | || __put_user(req32.request.sequence, &request->request.sequence) | |
1023 | || __put_user(req32.request.signal, &request->request.signal)) | |
1024 | return -EFAULT; | |
1025 | ||
cc5ef55f | 1026 | err = drm_ioctl(file->f_path.dentry->d_inode, file, |
b5e89ed5 | 1027 | DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); |
9a186645 DA |
1028 | if (err) |
1029 | return err; | |
1030 | ||
1031 | if (__get_user(req32.reply.type, &request->reply.type) | |
1032 | || __get_user(req32.reply.sequence, &request->reply.sequence) | |
1033 | || __get_user(req32.reply.tval_sec, &request->reply.tval_sec) | |
1034 | || __get_user(req32.reply.tval_usec, &request->reply.tval_usec)) | |
1035 | return -EFAULT; | |
1036 | ||
1037 | if (copy_to_user(argp, &req32, sizeof(req32))) | |
1038 | return -EFAULT; | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | drm_ioctl_compat_t *drm_compat_ioctls[] = { | |
1044 | [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, | |
1045 | [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, | |
1046 | [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, | |
1047 | [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient, | |
1048 | [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats, | |
1049 | [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique, | |
1050 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap, | |
1051 | [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs, | |
1052 | [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs, | |
1053 | [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs, | |
1054 | [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs, | |
1055 | [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs, | |
1056 | [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap, | |
1057 | [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx, | |
1058 | [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx, | |
1059 | [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx, | |
1060 | [DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma, | |
1061 | #if __OS_HAS_AGP | |
1062 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable, | |
1063 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info, | |
1064 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc, | |
1065 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free, | |
1066 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind, | |
1067 | [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind, | |
1068 | #endif | |
1069 | [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc, | |
1070 | [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free, | |
09e40d65 | 1071 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) |
49568873 | 1072 | [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, |
09e40d65 | 1073 | #endif |
9a186645 DA |
1074 | [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, |
1075 | }; | |
1076 | ||
1077 | /** | |
1078 | * Called whenever a 32-bit process running under a 64-bit kernel | |
1079 | * performs an ioctl on /dev/drm. | |
1080 | * | |
6c340eac | 1081 | * \param file_priv DRM file private. |
9a186645 DA |
1082 | * \param cmd command. |
1083 | * \param arg user argument. | |
1084 | * \return zero on success or negative number on failure. | |
1085 | */ | |
1086 | long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |
1087 | { | |
1088 | unsigned int nr = DRM_IOCTL_NR(cmd); | |
1089 | drm_ioctl_compat_t *fn; | |
1090 | int ret; | |
1091 | ||
7ffa05e0 IR |
1092 | /* Assume that ioctls without an explicit compat routine will just |
1093 | * work. This may not always be a good assumption, but it's better | |
1094 | * than always failing. | |
1095 | */ | |
3d77461e | 1096 | if (nr >= ARRAY_SIZE(drm_compat_ioctls)) |
7ffa05e0 | 1097 | return drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); |
9a186645 DA |
1098 | |
1099 | fn = drm_compat_ioctls[nr]; | |
1100 | ||
1101 | lock_kernel(); /* XXX for now */ | |
1102 | if (fn != NULL) | |
b5e89ed5 | 1103 | ret = (*fn) (filp, cmd, arg); |
9a186645 | 1104 | else |
cc5ef55f | 1105 | ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); |
9a186645 DA |
1106 | unlock_kernel(); |
1107 | ||
1108 | return ret; | |
1109 | } | |
b5e89ed5 | 1110 | |
9a186645 | 1111 | EXPORT_SYMBOL(drm_compat_ioctl); |