Commit | Line | Data |
---|---|---|
cf664a64 PDM |
1 | /* |
2 | * ioctl32.c: Conversion between 32bit and 64bit native ioctls. | |
3 | * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de> | |
4 | * | |
5 | * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) | |
6 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | |
7 | * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs | |
a2531293 | 8 | * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz) |
cf664a64 | 9 | * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be) |
92f45bad | 10 | * Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> |
cf664a64 PDM |
11 | * |
12 | * These routines maintain argument size conversion between 32bit and 64bit | |
13 | * ioctls. | |
14 | */ | |
15 | ||
0d0fbf81 | 16 | #include <linux/compat.h> |
92f45bad | 17 | #define __OLD_VIDIOC_ /* To allow fixing old calls*/ |
0d0fbf81 | 18 | #include <linux/videodev.h> |
cf664a64 | 19 | #include <linux/videodev2.h> |
133b7354 | 20 | #include <linux/module.h> |
e8efb71d | 21 | #include <linux/smp_lock.h> |
2864462e | 22 | #include <media/v4l2-ioctl.h> |
0d0fbf81 AB |
23 | |
24 | #ifdef CONFIG_COMPAT | |
a113bc78 | 25 | |
5bdd6cc3 | 26 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
0d0fbf81 AB |
27 | struct video_tuner32 { |
28 | compat_int_t tuner; | |
29 | char name[32]; | |
30 | compat_ulong_t rangelow, rangehigh; | |
31 | u32 flags; /* It is really u32 in videodev.h */ | |
32 | u16 mode, signal; | |
33 | }; | |
34 | ||
35 | static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) | |
36 | { | |
d1f81da2 | 37 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_tuner32)) || |
a113bc78 GM |
38 | get_user(kp->tuner, &up->tuner) || |
39 | copy_from_user(kp->name, up->name, 32) || | |
40 | get_user(kp->rangelow, &up->rangelow) || | |
41 | get_user(kp->rangehigh, &up->rangehigh) || | |
42 | get_user(kp->flags, &up->flags) || | |
43 | get_user(kp->mode, &up->mode) || | |
44 | get_user(kp->signal, &up->signal)) | |
0d0fbf81 | 45 | return -EFAULT; |
0d0fbf81 AB |
46 | return 0; |
47 | } | |
48 | ||
49 | static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) | |
50 | { | |
d1f81da2 | 51 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_tuner32)) || |
a113bc78 GM |
52 | put_user(kp->tuner, &up->tuner) || |
53 | copy_to_user(up->name, kp->name, 32) || | |
54 | put_user(kp->rangelow, &up->rangelow) || | |
55 | put_user(kp->rangehigh, &up->rangehigh) || | |
56 | put_user(kp->flags, &up->flags) || | |
57 | put_user(kp->mode, &up->mode) || | |
58 | put_user(kp->signal, &up->signal)) | |
59 | return -EFAULT; | |
0d0fbf81 AB |
60 | return 0; |
61 | } | |
62 | ||
63 | struct video_buffer32 { | |
64 | compat_caddr_t base; | |
65 | compat_int_t height, width, depth, bytesperline; | |
66 | }; | |
67 | ||
68 | static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) | |
69 | { | |
70 | u32 tmp; | |
71 | ||
a113bc78 GM |
72 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_buffer32)) || |
73 | get_user(tmp, &up->base) || | |
74 | get_user(kp->height, &up->height) || | |
75 | get_user(kp->width, &up->width) || | |
76 | get_user(kp->depth, &up->depth) || | |
77 | get_user(kp->bytesperline, &up->bytesperline)) | |
78 | return -EFAULT; | |
0d0fbf81 AB |
79 | |
80 | /* This is actually a physical address stored | |
81 | * as a void pointer. | |
82 | */ | |
83 | kp->base = (void *)(unsigned long) tmp; | |
84 | ||
0d0fbf81 AB |
85 | return 0; |
86 | } | |
87 | ||
88 | static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) | |
89 | { | |
90 | u32 tmp = (u32)((unsigned long)kp->base); | |
91 | ||
d1f81da2 | 92 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_buffer32)) || |
a113bc78 GM |
93 | put_user(tmp, &up->base) || |
94 | put_user(kp->height, &up->height) || | |
95 | put_user(kp->width, &up->width) || | |
96 | put_user(kp->depth, &up->depth) || | |
97 | put_user(kp->bytesperline, &up->bytesperline)) | |
98 | return -EFAULT; | |
0d0fbf81 AB |
99 | return 0; |
100 | } | |
101 | ||
102 | struct video_clip32 { | |
92f45bad | 103 | s32 x, y, width, height; /* It's really s32 in videodev.h */ |
0d0fbf81 AB |
104 | compat_caddr_t next; |
105 | }; | |
106 | ||
107 | struct video_window32 { | |
108 | u32 x, y, width, height, chromakey, flags; | |
109 | compat_caddr_t clips; | |
110 | compat_int_t clipcount; | |
111 | }; | |
112 | ||
92f45bad | 113 | static int get_video_window32(struct video_window *kp, struct video_window32 __user *up) |
0d0fbf81 | 114 | { |
92f45bad HV |
115 | struct video_clip __user *uclips; |
116 | struct video_clip __user *kclips; | |
117 | compat_caddr_t p; | |
118 | int nclips; | |
0d0fbf81 | 119 | |
92f45bad HV |
120 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32))) |
121 | return -EFAULT; | |
122 | ||
123 | if (get_user(nclips, &up->clipcount)) | |
124 | return -EFAULT; | |
125 | ||
126 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32)) || | |
127 | get_user(kp->x, &up->x) || | |
128 | get_user(kp->y, &up->y) || | |
129 | get_user(kp->width, &up->width) || | |
130 | get_user(kp->height, &up->height) || | |
131 | get_user(kp->chromakey, &up->chromakey) || | |
132 | get_user(kp->flags, &up->flags) || | |
133 | get_user(kp->clipcount, &up->clipcount)) | |
134 | return -EFAULT; | |
135 | ||
136 | nclips = kp->clipcount; | |
137 | kp->clips = NULL; | |
138 | ||
139 | if (nclips == 0) | |
140 | return 0; | |
141 | if (get_user(p, &up->clips)) | |
142 | return -EFAULT; | |
143 | uclips = compat_ptr(p); | |
144 | ||
145 | /* If nclips < 0, then it is a clipping bitmap of size | |
146 | VIDEO_CLIPMAP_SIZE */ | |
147 | if (nclips < 0) { | |
148 | if (!access_ok(VERIFY_READ, uclips, VIDEO_CLIPMAP_SIZE)) | |
149 | return -EFAULT; | |
150 | kp->clips = compat_alloc_user_space(VIDEO_CLIPMAP_SIZE); | |
151 | if (copy_in_user(kp->clips, uclips, VIDEO_CLIPMAP_SIZE)) | |
152 | return -EFAULT; | |
153 | return 0; | |
0d0fbf81 AB |
154 | } |
155 | ||
92f45bad HV |
156 | /* Otherwise it is an array of video_clip structs. */ |
157 | if (!access_ok(VERIFY_READ, uclips, nclips * sizeof(struct video_clip))) | |
158 | return -EFAULT; | |
0d0fbf81 | 159 | |
92f45bad HV |
160 | kp->clips = compat_alloc_user_space(nclips * sizeof(struct video_clip)); |
161 | kclips = kp->clips; | |
162 | while (nclips--) { | |
163 | int err; | |
164 | ||
165 | err = copy_in_user(&kclips->x, &uclips->x, sizeof(kclips->x)); | |
166 | err |= copy_in_user(&kclips->y, &uclips->y, sizeof(kclips->y)); | |
167 | err |= copy_in_user(&kclips->width, &uclips->width, sizeof(kclips->width)); | |
168 | err |= copy_in_user(&kclips->height, &uclips->height, sizeof(kclips->height)); | |
169 | kclips->next = NULL; | |
170 | if (err) | |
171 | return -EFAULT; | |
172 | kclips++; | |
173 | uclips++; | |
174 | } | |
175 | return 0; | |
176 | } | |
0d0fbf81 AB |
177 | |
178 | /* You get back everything except the clips... */ | |
179 | static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) | |
180 | { | |
d1f81da2 | 181 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_window32)) || |
a113bc78 GM |
182 | put_user(kp->x, &up->x) || |
183 | put_user(kp->y, &up->y) || | |
184 | put_user(kp->width, &up->width) || | |
185 | put_user(kp->height, &up->height) || | |
186 | put_user(kp->chromakey, &up->chromakey) || | |
187 | put_user(kp->flags, &up->flags) || | |
188 | put_user(kp->clipcount, &up->clipcount)) | |
189 | return -EFAULT; | |
0d0fbf81 AB |
190 | return 0; |
191 | } | |
92f45bad HV |
192 | |
193 | struct video_code32 { | |
194 | char loadwhat[16]; /* name or tag of file being passed */ | |
195 | compat_int_t datasize; | |
196 | unsigned char *data; | |
197 | }; | |
198 | ||
199 | static int get_microcode32(struct video_code *kp, struct video_code32 __user *up) | |
200 | { | |
201 | if (!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) || | |
202 | copy_from_user(kp->loadwhat, up->loadwhat, sizeof(up->loadwhat)) || | |
203 | get_user(kp->datasize, &up->datasize) || | |
204 | copy_from_user(kp->data, up->data, up->datasize)) | |
205 | return -EFAULT; | |
206 | return 0; | |
207 | } | |
208 | ||
209 | #define VIDIOCGTUNER32 _IOWR('v', 4, struct video_tuner32) | |
210 | #define VIDIOCSTUNER32 _IOW('v', 5, struct video_tuner32) | |
211 | #define VIDIOCGWIN32 _IOR('v', 9, struct video_window32) | |
212 | #define VIDIOCSWIN32 _IOW('v', 10, struct video_window32) | |
213 | #define VIDIOCGFBUF32 _IOR('v', 11, struct video_buffer32) | |
214 | #define VIDIOCSFBUF32 _IOW('v', 12, struct video_buffer32) | |
215 | #define VIDIOCGFREQ32 _IOR('v', 14, u32) | |
216 | #define VIDIOCSFREQ32 _IOW('v', 15, u32) | |
217 | #define VIDIOCSMICROCODE32 _IOW('v', 27, struct video_code32) | |
218 | ||
219 | #define VIDIOCCAPTURE32 _IOW('v', 8, s32) | |
220 | #define VIDIOCSYNC32 _IOW('v', 18, s32) | |
221 | #define VIDIOCSWRITEMODE32 _IOW('v', 25, s32) | |
222 | ||
5bdd6cc3 | 223 | #endif |
0d0fbf81 | 224 | |
069b7479 | 225 | static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
92f45bad | 226 | { |
069b7479 | 227 | long ret = -ENOIOCTLCMD; |
92f45bad HV |
228 | |
229 | if (file->f_op->unlocked_ioctl) | |
230 | ret = file->f_op->unlocked_ioctl(file, cmd, arg); | |
231 | else if (file->f_op->ioctl) { | |
232 | lock_kernel(); | |
233 | ret = file->f_op->ioctl(file->f_path.dentry->d_inode, file, cmd, arg); | |
234 | unlock_kernel(); | |
235 | } | |
236 | ||
237 | return ret; | |
238 | } | |
239 | ||
240 | ||
d1f81da2 | 241 | struct v4l2_clip32 { |
cf664a64 PDM |
242 | struct v4l2_rect c; |
243 | compat_caddr_t next; | |
244 | }; | |
245 | ||
d1f81da2 | 246 | struct v4l2_window32 { |
cf664a64 PDM |
247 | struct v4l2_rect w; |
248 | enum v4l2_field field; | |
249 | __u32 chromakey; | |
250 | compat_caddr_t clips; /* actually struct v4l2_clip32 * */ | |
251 | __u32 clipcount; | |
252 | compat_caddr_t bitmap; | |
253 | }; | |
254 | ||
255 | static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) | |
256 | { | |
a113bc78 GM |
257 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) || |
258 | copy_from_user(&kp->w, &up->w, sizeof(up->w)) || | |
259 | get_user(kp->field, &up->field) || | |
260 | get_user(kp->chromakey, &up->chromakey) || | |
261 | get_user(kp->clipcount, &up->clipcount)) | |
262 | return -EFAULT; | |
cf664a64 PDM |
263 | if (kp->clipcount > 2048) |
264 | return -EINVAL; | |
265 | if (kp->clipcount) { | |
5b1a43d7 AV |
266 | struct v4l2_clip32 __user *uclips; |
267 | struct v4l2_clip __user *kclips; | |
cf664a64 | 268 | int n = kp->clipcount; |
5b1a43d7 | 269 | compat_caddr_t p; |
cf664a64 | 270 | |
5b1a43d7 AV |
271 | if (get_user(p, &up->clips)) |
272 | return -EFAULT; | |
273 | uclips = compat_ptr(p); | |
cf664a64 PDM |
274 | kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip)); |
275 | kp->clips = kclips; | |
276 | while (--n >= 0) { | |
5b1a43d7 AV |
277 | if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c))) |
278 | return -EFAULT; | |
279 | if (put_user(n ? kclips + 1 : NULL, &kclips->next)) | |
a113bc78 | 280 | return -EFAULT; |
cf664a64 PDM |
281 | uclips += 1; |
282 | kclips += 1; | |
283 | } | |
284 | } else | |
5b1a43d7 | 285 | kp->clips = NULL; |
cf664a64 PDM |
286 | return 0; |
287 | } | |
288 | ||
289 | static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) | |
290 | { | |
f2e6c6ad | 291 | if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) || |
a113bc78 GM |
292 | put_user(kp->field, &up->field) || |
293 | put_user(kp->chromakey, &up->chromakey) || | |
294 | put_user(kp->clipcount, &up->clipcount)) | |
295 | return -EFAULT; | |
cf664a64 PDM |
296 | return 0; |
297 | } | |
298 | ||
299 | static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) | |
300 | { | |
5b1a43d7 AV |
301 | if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format))) |
302 | return -EFAULT; | |
a113bc78 | 303 | return 0; |
cf664a64 PDM |
304 | } |
305 | ||
306 | static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) | |
307 | { | |
5b1a43d7 AV |
308 | if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format))) |
309 | return -EFAULT; | |
a113bc78 | 310 | return 0; |
cf664a64 PDM |
311 | } |
312 | ||
313 | static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) | |
314 | { | |
5b1a43d7 AV |
315 | if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format))) |
316 | return -EFAULT; | |
a113bc78 | 317 | return 0; |
cf664a64 PDM |
318 | } |
319 | ||
320 | static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) | |
321 | { | |
5b1a43d7 AV |
322 | if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format))) |
323 | return -EFAULT; | |
a113bc78 | 324 | return 0; |
cf664a64 PDM |
325 | } |
326 | ||
92f45bad HV |
327 | static inline int get_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up) |
328 | { | |
329 | if (copy_from_user(kp, up, sizeof(struct v4l2_sliced_vbi_format))) | |
330 | return -EFAULT; | |
331 | return 0; | |
332 | } | |
333 | ||
334 | static inline int put_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up) | |
335 | { | |
336 | if (copy_to_user(up, kp, sizeof(struct v4l2_sliced_vbi_format))) | |
337 | return -EFAULT; | |
338 | return 0; | |
339 | } | |
340 | ||
d1f81da2 | 341 | struct v4l2_format32 { |
cf664a64 | 342 | enum v4l2_buf_type type; |
d1f81da2 | 343 | union { |
92f45bad HV |
344 | struct v4l2_pix_format pix; |
345 | struct v4l2_window32 win; | |
346 | struct v4l2_vbi_format vbi; | |
347 | struct v4l2_sliced_vbi_format sliced; | |
d1f81da2 | 348 | __u8 raw_data[200]; /* user-defined */ |
cf664a64 PDM |
349 | } fmt; |
350 | }; | |
351 | ||
352 | static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) | |
353 | { | |
a113bc78 GM |
354 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) || |
355 | get_user(kp->type, &up->type)) | |
356 | return -EFAULT; | |
cf664a64 PDM |
357 | switch (kp->type) { |
358 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
92f45bad | 359 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
cf664a64 PDM |
360 | return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
361 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
92f45bad | 362 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
cf664a64 PDM |
363 | return get_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
364 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
92f45bad | 365 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
cf664a64 | 366 | return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
92f45bad HV |
367 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
368 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
369 | return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced); | |
370 | case V4L2_BUF_TYPE_PRIVATE: | |
371 | if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data))) | |
372 | return -EFAULT; | |
373 | return 0; | |
374 | case 0: | |
375 | return -EINVAL; | |
cf664a64 | 376 | default: |
92f45bad | 377 | printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n", |
cf664a64 | 378 | kp->type); |
92f45bad | 379 | return -EINVAL; |
cf664a64 PDM |
380 | } |
381 | } | |
382 | ||
383 | static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) | |
384 | { | |
d1f81da2 | 385 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)) || |
a113bc78 | 386 | put_user(kp->type, &up->type)) |
cf664a64 PDM |
387 | return -EFAULT; |
388 | switch (kp->type) { | |
389 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
92f45bad | 390 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
cf664a64 PDM |
391 | return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); |
392 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
92f45bad | 393 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: |
cf664a64 PDM |
394 | return put_v4l2_window32(&kp->fmt.win, &up->fmt.win); |
395 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
92f45bad | 396 | case V4L2_BUF_TYPE_VBI_OUTPUT: |
cf664a64 | 397 | return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); |
92f45bad HV |
398 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: |
399 | case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: | |
400 | return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced); | |
401 | case V4L2_BUF_TYPE_PRIVATE: | |
402 | if (copy_to_user(up, kp, sizeof(up->fmt.raw_data))) | |
403 | return -EFAULT; | |
404 | return 0; | |
405 | case 0: | |
406 | return -EINVAL; | |
cf664a64 | 407 | default: |
92f45bad HV |
408 | printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n", |
409 | kp->type); | |
410 | return -EINVAL; | |
cf664a64 PDM |
411 | } |
412 | } | |
413 | ||
d1f81da2 | 414 | struct v4l2_standard32 { |
cf664a64 PDM |
415 | __u32 index; |
416 | __u32 id[2]; /* __u64 would get the alignment wrong */ | |
417 | __u8 name[24]; | |
418 | struct v4l2_fract frameperiod; /* Frames, not fields */ | |
419 | __u32 framelines; | |
420 | __u32 reserved[4]; | |
421 | }; | |
422 | ||
423 | static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) | |
424 | { | |
425 | /* other fields are not set by the user, nor used by the driver */ | |
a113bc78 GM |
426 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) || |
427 | get_user(kp->index, &up->index)) | |
428 | return -EFAULT; | |
429 | return 0; | |
cf664a64 PDM |
430 | } |
431 | ||
432 | static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) | |
433 | { | |
d1f81da2 | 434 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) || |
a113bc78 GM |
435 | put_user(kp->index, &up->index) || |
436 | copy_to_user(up->id, &kp->id, sizeof(__u64)) || | |
437 | copy_to_user(up->name, kp->name, 24) || | |
438 | copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) || | |
439 | put_user(kp->framelines, &up->framelines) || | |
440 | copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32))) | |
441 | return -EFAULT; | |
442 | return 0; | |
443 | } | |
444 | ||
d1f81da2 | 445 | struct v4l2_buffer32 { |
cf664a64 PDM |
446 | __u32 index; |
447 | enum v4l2_buf_type type; | |
448 | __u32 bytesused; | |
449 | __u32 flags; | |
450 | enum v4l2_field field; | |
451 | struct compat_timeval timestamp; | |
452 | struct v4l2_timecode timecode; | |
453 | __u32 sequence; | |
454 | ||
455 | /* memory location */ | |
456 | enum v4l2_memory memory; | |
457 | union { | |
458 | __u32 offset; | |
459 | compat_long_t userptr; | |
460 | } m; | |
461 | __u32 length; | |
462 | __u32 input; | |
463 | __u32 reserved; | |
464 | }; | |
465 | ||
466 | static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) | |
467 | { | |
468 | ||
a113bc78 GM |
469 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) || |
470 | get_user(kp->index, &up->index) || | |
471 | get_user(kp->type, &up->type) || | |
472 | get_user(kp->flags, &up->flags) || | |
473 | get_user(kp->memory, &up->memory) || | |
474 | get_user(kp->input, &up->input)) | |
475 | return -EFAULT; | |
d1f81da2 | 476 | switch (kp->memory) { |
cf664a64 | 477 | case V4L2_MEMORY_MMAP: |
22c859fa AP |
478 | if (get_user(kp->length, &up->length) || |
479 | get_user(kp->m.offset, &up->m.offset)) | |
480 | return -EFAULT; | |
cf664a64 PDM |
481 | break; |
482 | case V4L2_MEMORY_USERPTR: | |
483 | { | |
5b1a43d7 | 484 | compat_long_t tmp; |
cf664a64 | 485 | |
5b1a43d7 AV |
486 | if (get_user(kp->length, &up->length) || |
487 | get_user(tmp, &up->m.userptr)) | |
488 | return -EFAULT; | |
489 | ||
490 | kp->m.userptr = (unsigned long)compat_ptr(tmp); | |
cf664a64 PDM |
491 | } |
492 | break; | |
493 | case V4L2_MEMORY_OVERLAY: | |
d1f81da2 | 494 | if (get_user(kp->m.offset, &up->m.offset)) |
a113bc78 | 495 | return -EFAULT; |
cf664a64 PDM |
496 | break; |
497 | } | |
498 | return 0; | |
499 | } | |
500 | ||
501 | static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) | |
502 | { | |
a113bc78 GM |
503 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) || |
504 | put_user(kp->index, &up->index) || | |
505 | put_user(kp->type, &up->type) || | |
506 | put_user(kp->flags, &up->flags) || | |
507 | put_user(kp->memory, &up->memory) || | |
508 | put_user(kp->input, &up->input)) | |
509 | return -EFAULT; | |
d1f81da2 | 510 | switch (kp->memory) { |
cf664a64 | 511 | case V4L2_MEMORY_MMAP: |
a113bc78 GM |
512 | if (put_user(kp->length, &up->length) || |
513 | put_user(kp->m.offset, &up->m.offset)) | |
514 | return -EFAULT; | |
cf664a64 PDM |
515 | break; |
516 | case V4L2_MEMORY_USERPTR: | |
a113bc78 GM |
517 | if (put_user(kp->length, &up->length) || |
518 | put_user(kp->m.userptr, &up->m.userptr)) | |
519 | return -EFAULT; | |
cf664a64 PDM |
520 | break; |
521 | case V4L2_MEMORY_OVERLAY: | |
a113bc78 GM |
522 | if (put_user(kp->m.offset, &up->m.offset)) |
523 | return -EFAULT; | |
cf664a64 PDM |
524 | break; |
525 | } | |
a113bc78 GM |
526 | if (put_user(kp->bytesused, &up->bytesused) || |
527 | put_user(kp->field, &up->field) || | |
528 | put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || | |
529 | put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) || | |
530 | copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) || | |
531 | put_user(kp->sequence, &up->sequence) || | |
532 | put_user(kp->reserved, &up->reserved)) | |
533 | return -EFAULT; | |
cf664a64 PDM |
534 | return 0; |
535 | } | |
536 | ||
d1f81da2 | 537 | struct v4l2_framebuffer32 { |
cf664a64 PDM |
538 | __u32 capability; |
539 | __u32 flags; | |
540 | compat_caddr_t base; | |
541 | struct v4l2_pix_format fmt; | |
542 | }; | |
543 | ||
13d133bc PDM |
544 | static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
545 | { | |
546 | u32 tmp; | |
547 | ||
a113bc78 GM |
548 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) || |
549 | get_user(tmp, &up->base) || | |
550 | get_user(kp->capability, &up->capability) || | |
551 | get_user(kp->flags, &up->flags)) | |
552 | return -EFAULT; | |
13d133bc | 553 | kp->base = compat_ptr(tmp); |
13d133bc PDM |
554 | get_v4l2_pix_format(&kp->fmt, &up->fmt); |
555 | return 0; | |
556 | } | |
557 | ||
cf664a64 PDM |
558 | static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) |
559 | { | |
560 | u32 tmp = (u32)((unsigned long)kp->base); | |
561 | ||
d1f81da2 | 562 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) || |
a113bc78 GM |
563 | put_user(tmp, &up->base) || |
564 | put_user(kp->capability, &up->capability) || | |
565 | put_user(kp->flags, &up->flags)) | |
566 | return -EFAULT; | |
cf664a64 PDM |
567 | put_v4l2_pix_format(&kp->fmt, &up->fmt); |
568 | return 0; | |
569 | } | |
570 | ||
92f45bad HV |
571 | struct v4l2_input32 { |
572 | __u32 index; /* Which input */ | |
573 | __u8 name[32]; /* Label */ | |
574 | __u32 type; /* Type of input */ | |
575 | __u32 audioset; /* Associated audios (bitfield) */ | |
576 | __u32 tuner; /* Associated tuner */ | |
577 | v4l2_std_id std; | |
578 | __u32 status; | |
579 | __u32 reserved[4]; | |
580 | } __attribute__ ((packed)); | |
581 | ||
582 | /* The 64-bit v4l2_input struct has extra padding at the end of the struct. | |
583 | Otherwise it is identical to the 32-bit version. */ | |
584 | static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up) | |
a113bc78 | 585 | { |
92f45bad | 586 | if (copy_from_user(kp, up, sizeof(struct v4l2_input32))) |
5b1a43d7 | 587 | return -EFAULT; |
a113bc78 GM |
588 | return 0; |
589 | } | |
590 | ||
92f45bad | 591 | static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up) |
a113bc78 | 592 | { |
92f45bad | 593 | if (copy_to_user(up, kp, sizeof(struct v4l2_input32))) |
5b1a43d7 | 594 | return -EFAULT; |
a113bc78 GM |
595 | return 0; |
596 | } | |
597 | ||
92f45bad HV |
598 | struct v4l2_ext_controls32 { |
599 | __u32 ctrl_class; | |
600 | __u32 count; | |
601 | __u32 error_idx; | |
602 | __u32 reserved[2]; | |
603 | compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */ | |
eb4eeccc MCC |
604 | }; |
605 | ||
6b5a9492 HV |
606 | struct v4l2_ext_control32 { |
607 | __u32 id; | |
608 | __u32 size; | |
609 | __u32 reserved2[1]; | |
610 | union { | |
611 | __s32 value; | |
612 | __s64 value64; | |
613 | compat_caddr_t string; /* actually char * */ | |
614 | }; | |
615 | } __attribute__ ((packed)); | |
616 | ||
617 | /* The following function really belong in v4l2-common, but that causes | |
618 | a circular dependency between modules. We need to think about this, but | |
619 | for now this will do. */ | |
620 | ||
621 | /* Return non-zero if this control is a pointer type. Currently only | |
fdf82dc2 | 622 | type STRING is a pointer type. */ |
6b5a9492 HV |
623 | static inline int ctrl_is_pointer(u32 id) |
624 | { | |
fdf82dc2 EV |
625 | switch (id) { |
626 | case V4L2_CID_RDS_TX_PS_NAME: | |
627 | case V4L2_CID_RDS_TX_RADIO_TEXT: | |
628 | return 1; | |
629 | default: | |
630 | return 0; | |
631 | } | |
6b5a9492 HV |
632 | } |
633 | ||
92f45bad | 634 | static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up) |
eb4eeccc | 635 | { |
6b5a9492 | 636 | struct v4l2_ext_control32 __user *ucontrols; |
92f45bad HV |
637 | struct v4l2_ext_control __user *kcontrols; |
638 | int n; | |
639 | compat_caddr_t p; | |
640 | ||
641 | if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) || | |
642 | get_user(kp->ctrl_class, &up->ctrl_class) || | |
643 | get_user(kp->count, &up->count) || | |
644 | get_user(kp->error_idx, &up->error_idx) || | |
645 | copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved))) | |
646 | return -EFAULT; | |
647 | n = kp->count; | |
648 | if (n == 0) { | |
649 | kp->controls = NULL; | |
650 | return 0; | |
651 | } | |
652 | if (get_user(p, &up->controls)) | |
653 | return -EFAULT; | |
654 | ucontrols = compat_ptr(p); | |
655 | if (!access_ok(VERIFY_READ, ucontrols, n * sizeof(struct v4l2_ext_control))) | |
656 | return -EFAULT; | |
657 | kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control)); | |
658 | kp->controls = kcontrols; | |
659 | while (--n >= 0) { | |
6b5a9492 | 660 | if (copy_in_user(kcontrols, ucontrols, sizeof(*kcontrols))) |
92f45bad | 661 | return -EFAULT; |
6b5a9492 HV |
662 | if (ctrl_is_pointer(kcontrols->id)) { |
663 | void __user *s; | |
664 | ||
665 | if (get_user(p, &ucontrols->string)) | |
666 | return -EFAULT; | |
667 | s = compat_ptr(p); | |
668 | if (put_user(s, &kcontrols->string)) | |
669 | return -EFAULT; | |
670 | } | |
92f45bad HV |
671 | ucontrols++; |
672 | kcontrols++; | |
673 | } | |
eb4eeccc MCC |
674 | return 0; |
675 | } | |
676 | ||
92f45bad | 677 | static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up) |
0d0fbf81 | 678 | { |
6b5a9492 | 679 | struct v4l2_ext_control32 __user *ucontrols; |
92f45bad HV |
680 | struct v4l2_ext_control __user *kcontrols = kp->controls; |
681 | int n = kp->count; | |
682 | compat_caddr_t p; | |
683 | ||
684 | if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_ext_controls32)) || | |
685 | put_user(kp->ctrl_class, &up->ctrl_class) || | |
686 | put_user(kp->count, &up->count) || | |
687 | put_user(kp->error_idx, &up->error_idx) || | |
688 | copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved))) | |
689 | return -EFAULT; | |
690 | if (!kp->count) | |
691 | return 0; | |
a113bc78 | 692 | |
92f45bad | 693 | if (get_user(p, &up->controls)) |
0d0fbf81 | 694 | return -EFAULT; |
92f45bad HV |
695 | ucontrols = compat_ptr(p); |
696 | if (!access_ok(VERIFY_WRITE, ucontrols, n * sizeof(struct v4l2_ext_control))) | |
0d0fbf81 AB |
697 | return -EFAULT; |
698 | ||
92f45bad | 699 | while (--n >= 0) { |
6b5a9492 HV |
700 | unsigned size = sizeof(*ucontrols); |
701 | ||
702 | /* Do not modify the pointer when copying a pointer control. | |
703 | The contents of the pointer was changed, not the pointer | |
704 | itself. */ | |
705 | if (ctrl_is_pointer(kcontrols->id)) | |
706 | size -= sizeof(ucontrols->value64); | |
707 | if (copy_in_user(ucontrols, kcontrols, size)) | |
92f45bad HV |
708 | return -EFAULT; |
709 | ucontrols++; | |
710 | kcontrols++; | |
0d0fbf81 | 711 | } |
92f45bad | 712 | return 0; |
0d0fbf81 | 713 | } |
92f45bad HV |
714 | |
715 | #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32) | |
716 | #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32) | |
717 | #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32) | |
718 | #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32) | |
719 | #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32) | |
720 | #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32) | |
721 | #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32) | |
722 | #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32) | |
723 | #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32) | |
724 | #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32) | |
725 | #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32) | |
726 | #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32) | |
727 | #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32) | |
728 | ||
729 | #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32) | |
15029b39 | 730 | #ifdef __OLD_VIDIOC_ |
92f45bad | 731 | #define VIDIOC_OVERLAY32_OLD _IOWR('V', 14, s32) |
15029b39 | 732 | #endif |
92f45bad HV |
733 | #define VIDIOC_STREAMON32 _IOW ('V', 18, s32) |
734 | #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32) | |
735 | #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32) | |
736 | #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32) | |
737 | #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32) | |
738 | #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32) | |
0d0fbf81 | 739 | |
069b7479 | 740 | static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
0d0fbf81 AB |
741 | { |
742 | union { | |
5bdd6cc3 | 743 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
0d0fbf81 AB |
744 | struct video_tuner vt; |
745 | struct video_buffer vb; | |
746 | struct video_window vw; | |
eb4eeccc | 747 | struct video_code vc; |
8a36ecf0 | 748 | struct video_audio va; |
5bdd6cc3 | 749 | #endif |
cf664a64 PDM |
750 | struct v4l2_format v2f; |
751 | struct v4l2_buffer v2b; | |
752 | struct v4l2_framebuffer v2fb; | |
a113bc78 | 753 | struct v4l2_input v2i; |
92f45bad HV |
754 | struct v4l2_standard v2s; |
755 | struct v4l2_ext_controls v2ecs; | |
0d0fbf81 | 756 | unsigned long vx; |
92f45bad | 757 | int vi; |
0d0fbf81 | 758 | } karg; |
0d0fbf81 | 759 | void __user *up = compat_ptr(arg); |
cf664a64 | 760 | int compatible_arg = 1; |
069b7479 | 761 | long err = 0; |
0d0fbf81 AB |
762 | |
763 | /* First, convert the command. */ | |
d1f81da2 | 764 | switch (cmd) { |
5bdd6cc3 | 765 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
92f45bad HV |
766 | case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; |
767 | case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; | |
768 | case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; | |
769 | case VIDIOCSWIN32: cmd = VIDIOCSWIN; break; | |
770 | case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; | |
771 | case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; | |
772 | case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; | |
773 | case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; | |
774 | case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break; | |
5bdd6cc3 | 775 | #endif |
92f45bad HV |
776 | case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; |
777 | case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; | |
778 | case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; | |
779 | case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; | |
780 | case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; | |
781 | case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; | |
782 | case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; | |
783 | case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break; | |
784 | case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break; | |
785 | case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; | |
786 | case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break; | |
787 | case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break; | |
788 | case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break; | |
789 | case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; | |
15029b39 | 790 | #ifdef __OLD_VIDIOC_ |
92f45bad | 791 | case VIDIOC_OVERLAY32_OLD: cmd = VIDIOC_OVERLAY; break; |
15029b39 | 792 | #endif |
92f45bad HV |
793 | case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; |
794 | case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; | |
795 | case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; | |
796 | case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; | |
797 | case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break; | |
798 | case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break; | |
799 | } | |
0d0fbf81 | 800 | |
d1f81da2 | 801 | switch (cmd) { |
5bdd6cc3 | 802 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
0d0fbf81 AB |
803 | case VIDIOCSTUNER: |
804 | case VIDIOCGTUNER: | |
805 | err = get_video_tuner32(&karg.vt, up); | |
cf664a64 | 806 | compatible_arg = 0; |
0d0fbf81 AB |
807 | break; |
808 | ||
809 | case VIDIOCSFBUF: | |
810 | err = get_video_buffer32(&karg.vb, up); | |
cf664a64 | 811 | compatible_arg = 0; |
0d0fbf81 AB |
812 | break; |
813 | ||
92f45bad HV |
814 | case VIDIOCSWIN: |
815 | err = get_video_window32(&karg.vw, up); | |
816 | compatible_arg = 0; | |
817 | break; | |
818 | ||
819 | case VIDIOCGWIN: | |
820 | case VIDIOCGFBUF: | |
821 | case VIDIOCGFREQ: | |
822 | compatible_arg = 0; | |
823 | break; | |
824 | ||
825 | case VIDIOCSMICROCODE: | |
826 | err = get_microcode32(&karg.vc, up); | |
827 | compatible_arg = 0; | |
828 | break; | |
8a36ecf0 | 829 | |
0d0fbf81 | 830 | case VIDIOCSFREQ: |
92f45bad HV |
831 | err = get_user(karg.vx, (u32 __user *)up); |
832 | compatible_arg = 0; | |
833 | break; | |
834 | ||
835 | case VIDIOCCAPTURE: | |
836 | case VIDIOCSYNC: | |
837 | case VIDIOCSWRITEMODE: | |
5bdd6cc3 | 838 | #endif |
cf664a64 | 839 | case VIDIOC_OVERLAY: |
13d133bc PDM |
840 | case VIDIOC_STREAMON: |
841 | case VIDIOC_STREAMOFF: | |
92f45bad HV |
842 | case VIDIOC_S_INPUT: |
843 | case VIDIOC_S_OUTPUT: | |
844 | err = get_user(karg.vi, (s32 __user *)up); | |
845 | compatible_arg = 0; | |
0d0fbf81 | 846 | break; |
13d133bc | 847 | |
92f45bad HV |
848 | case VIDIOC_G_INPUT: |
849 | case VIDIOC_G_OUTPUT: | |
13d133bc PDM |
850 | compatible_arg = 0; |
851 | break; | |
cf664a64 PDM |
852 | |
853 | case VIDIOC_G_FMT: | |
854 | case VIDIOC_S_FMT: | |
855 | case VIDIOC_TRY_FMT: | |
856 | err = get_v4l2_format32(&karg.v2f, up); | |
857 | compatible_arg = 0; | |
858 | break; | |
859 | ||
860 | case VIDIOC_QUERYBUF: | |
861 | case VIDIOC_QBUF: | |
862 | case VIDIOC_DQBUF: | |
863 | err = get_v4l2_buffer32(&karg.v2b, up); | |
864 | compatible_arg = 0; | |
865 | break; | |
866 | ||
92f45bad HV |
867 | case VIDIOC_S_FBUF: |
868 | err = get_v4l2_framebuffer32(&karg.v2fb, up); | |
a113bc78 GM |
869 | compatible_arg = 0; |
870 | break; | |
871 | ||
92f45bad | 872 | case VIDIOC_G_FBUF: |
cf664a64 PDM |
873 | compatible_arg = 0; |
874 | break; | |
875 | ||
92f45bad HV |
876 | case VIDIOC_ENUMSTD: |
877 | err = get_v4l2_standard32(&karg.v2s, up); | |
a113bc78 GM |
878 | compatible_arg = 0; |
879 | break; | |
880 | ||
92f45bad | 881 | case VIDIOC_ENUMINPUT: |
a113bc78 GM |
882 | err = get_v4l2_input32(&karg.v2i, up); |
883 | compatible_arg = 0; | |
884 | break; | |
885 | ||
92f45bad HV |
886 | case VIDIOC_G_EXT_CTRLS: |
887 | case VIDIOC_S_EXT_CTRLS: | |
888 | case VIDIOC_TRY_EXT_CTRLS: | |
889 | err = get_v4l2_ext_controls32(&karg.v2ecs, up); | |
a113bc78 GM |
890 | compatible_arg = 0; |
891 | break; | |
92f45bad | 892 | } |
d1f81da2 | 893 | if (err) |
92f45bad | 894 | return err; |
0d0fbf81 | 895 | |
d1f81da2 | 896 | if (compatible_arg) |
92f45bad | 897 | err = native_ioctl(file, cmd, (unsigned long)up); |
cf664a64 PDM |
898 | else { |
899 | mm_segment_t old_fs = get_fs(); | |
0d0fbf81 | 900 | |
cf664a64 | 901 | set_fs(KERNEL_DS); |
92f45bad | 902 | err = native_ioctl(file, cmd, (unsigned long)&karg); |
cf664a64 PDM |
903 | set_fs(old_fs); |
904 | } | |
92f45bad HV |
905 | |
906 | /* Special case: even after an error we need to put the | |
907 | results back for these ioctls since the error_idx will | |
908 | contain information on which control failed. */ | |
909 | switch (cmd) { | |
910 | case VIDIOC_G_EXT_CTRLS: | |
911 | case VIDIOC_S_EXT_CTRLS: | |
912 | case VIDIOC_TRY_EXT_CTRLS: | |
913 | if (put_v4l2_ext_controls32(&karg.v2ecs, up)) | |
914 | err = -EFAULT; | |
915 | break; | |
916 | } | |
917 | if (err) | |
918 | return err; | |
919 | ||
920 | switch (cmd) { | |
5bdd6cc3 | 921 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
92f45bad HV |
922 | case VIDIOCGTUNER: |
923 | err = put_video_tuner32(&karg.vt, up); | |
924 | break; | |
0d0fbf81 | 925 | |
92f45bad HV |
926 | case VIDIOCGWIN: |
927 | err = put_video_window32(&karg.vw, up); | |
928 | break; | |
0d0fbf81 | 929 | |
92f45bad HV |
930 | case VIDIOCGFBUF: |
931 | err = put_video_buffer32(&karg.vb, up); | |
932 | break; | |
8a36ecf0 | 933 | |
92f45bad HV |
934 | case VIDIOCGFREQ: |
935 | err = put_user(((u32)karg.vx), (u32 __user *)up); | |
936 | break; | |
5bdd6cc3 | 937 | #endif |
92f45bad HV |
938 | case VIDIOC_S_INPUT: |
939 | case VIDIOC_S_OUTPUT: | |
940 | case VIDIOC_G_INPUT: | |
941 | case VIDIOC_G_OUTPUT: | |
942 | err = put_user(((s32)karg.vi), (s32 __user *)up); | |
943 | break; | |
a113bc78 | 944 | |
92f45bad HV |
945 | case VIDIOC_G_FBUF: |
946 | err = put_v4l2_framebuffer32(&karg.v2fb, up); | |
947 | break; | |
948 | ||
949 | case VIDIOC_G_FMT: | |
950 | case VIDIOC_S_FMT: | |
951 | case VIDIOC_TRY_FMT: | |
952 | err = put_v4l2_format32(&karg.v2f, up); | |
953 | break; | |
954 | ||
955 | case VIDIOC_QUERYBUF: | |
956 | case VIDIOC_QBUF: | |
957 | case VIDIOC_DQBUF: | |
958 | err = put_v4l2_buffer32(&karg.v2b, up); | |
959 | break; | |
960 | ||
961 | case VIDIOC_ENUMSTD: | |
962 | err = put_v4l2_standard32(&karg.v2s, up); | |
963 | break; | |
964 | ||
965 | case VIDIOC_ENUMINPUT: | |
966 | err = put_v4l2_input32(&karg.v2i, up); | |
967 | break; | |
0d0fbf81 | 968 | } |
0d0fbf81 AB |
969 | return err; |
970 | } | |
971 | ||
9bb7cde7 | 972 | long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) |
0d0fbf81 | 973 | { |
069b7479 | 974 | long ret = -ENOIOCTLCMD; |
0d0fbf81 | 975 | |
3ca81a55 | 976 | if (!file->f_op->ioctl && !file->f_op->unlocked_ioctl) |
0d0fbf81 AB |
977 | return ret; |
978 | ||
979 | switch (cmd) { | |
5bdd6cc3 | 980 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
92f45bad HV |
981 | case VIDIOCGCAP: |
982 | case VIDIOCGCHAN: | |
983 | case VIDIOCSCHAN: | |
0d0fbf81 AB |
984 | case VIDIOCGTUNER32: |
985 | case VIDIOCSTUNER32: | |
92f45bad HV |
986 | case VIDIOCGPICT: |
987 | case VIDIOCSPICT: | |
988 | case VIDIOCCAPTURE32: | |
0d0fbf81 | 989 | case VIDIOCGWIN32: |
92f45bad | 990 | case VIDIOCSWIN32: |
0d0fbf81 AB |
991 | case VIDIOCGFBUF32: |
992 | case VIDIOCSFBUF32: | |
92f45bad | 993 | case VIDIOCKEY: |
0d0fbf81 | 994 | case VIDIOCGFREQ32: |
133b7354 | 995 | case VIDIOCSFREQ32: |
8a36ecf0 MCC |
996 | case VIDIOCGAUDIO: |
997 | case VIDIOCSAUDIO: | |
92f45bad HV |
998 | case VIDIOCSYNC32: |
999 | case VIDIOCMCAPTURE: | |
1000 | case VIDIOCGMBUF: | |
1001 | case VIDIOCGUNIT: | |
1002 | case VIDIOCGCAPTURE: | |
1003 | case VIDIOCSCAPTURE: | |
1004 | case VIDIOCSPLAYMODE: | |
1005 | case VIDIOCSWRITEMODE32: | |
1006 | case VIDIOCGPLAYINFO: | |
1007 | case VIDIOCSMICROCODE32: | |
7963fa48 SW |
1008 | case VIDIOCGVBIFMT: |
1009 | case VIDIOCSVBIFMT: | |
92f45bad HV |
1010 | #endif |
1011 | #ifdef __OLD_VIDIOC_ | |
1012 | case VIDIOC_OVERLAY32_OLD: | |
1013 | case VIDIOC_S_PARM_OLD: | |
1014 | case VIDIOC_S_CTRL_OLD: | |
1015 | case VIDIOC_G_AUDIO_OLD: | |
1016 | case VIDIOC_G_AUDOUT_OLD: | |
1017 | case VIDIOC_CROPCAP_OLD: | |
5bdd6cc3 | 1018 | #endif |
13d133bc | 1019 | case VIDIOC_QUERYCAP: |
92f45bad | 1020 | case VIDIOC_RESERVED: |
13d133bc PDM |
1021 | case VIDIOC_ENUM_FMT: |
1022 | case VIDIOC_G_FMT32: | |
1023 | case VIDIOC_S_FMT32: | |
1024 | case VIDIOC_REQBUFS: | |
1025 | case VIDIOC_QUERYBUF32: | |
1026 | case VIDIOC_G_FBUF32: | |
1027 | case VIDIOC_S_FBUF32: | |
1028 | case VIDIOC_OVERLAY32: | |
1029 | case VIDIOC_QBUF32: | |
1030 | case VIDIOC_DQBUF32: | |
1031 | case VIDIOC_STREAMON32: | |
1032 | case VIDIOC_STREAMOFF32: | |
1033 | case VIDIOC_G_PARM: | |
c7f09db6 | 1034 | case VIDIOC_S_PARM: |
13d133bc PDM |
1035 | case VIDIOC_G_STD: |
1036 | case VIDIOC_S_STD: | |
1037 | case VIDIOC_ENUMSTD32: | |
1038 | case VIDIOC_ENUMINPUT32: | |
1039 | case VIDIOC_G_CTRL: | |
7963fa48 | 1040 | case VIDIOC_S_CTRL: |
92f45bad HV |
1041 | case VIDIOC_G_TUNER: |
1042 | case VIDIOC_S_TUNER: | |
1043 | case VIDIOC_G_AUDIO: | |
1044 | case VIDIOC_S_AUDIO: | |
13d133bc | 1045 | case VIDIOC_QUERYCTRL: |
92f45bad | 1046 | case VIDIOC_QUERYMENU: |
13d133bc PDM |
1047 | case VIDIOC_G_INPUT32: |
1048 | case VIDIOC_S_INPUT32: | |
92f45bad HV |
1049 | case VIDIOC_G_OUTPUT32: |
1050 | case VIDIOC_S_OUTPUT32: | |
1051 | case VIDIOC_ENUMOUTPUT: | |
1052 | case VIDIOC_G_AUDOUT: | |
1053 | case VIDIOC_S_AUDOUT: | |
1054 | case VIDIOC_G_MODULATOR: | |
1055 | case VIDIOC_S_MODULATOR: | |
1056 | case VIDIOC_S_FREQUENCY: | |
1057 | case VIDIOC_G_FREQUENCY: | |
1058 | case VIDIOC_CROPCAP: | |
1059 | case VIDIOC_G_CROP: | |
1060 | case VIDIOC_S_CROP: | |
1061 | case VIDIOC_G_JPEGCOMP: | |
1062 | case VIDIOC_S_JPEGCOMP: | |
1063 | case VIDIOC_QUERYSTD: | |
13d133bc | 1064 | case VIDIOC_TRY_FMT32: |
92f45bad HV |
1065 | case VIDIOC_ENUMAUDIO: |
1066 | case VIDIOC_ENUMAUDOUT: | |
1067 | case VIDIOC_G_PRIORITY: | |
1068 | case VIDIOC_S_PRIORITY: | |
1069 | case VIDIOC_G_SLICED_VBI_CAP: | |
1070 | case VIDIOC_LOG_STATUS: | |
1071 | case VIDIOC_G_EXT_CTRLS32: | |
1072 | case VIDIOC_S_EXT_CTRLS32: | |
1073 | case VIDIOC_TRY_EXT_CTRLS32: | |
c7f09db6 GJ |
1074 | case VIDIOC_ENUM_FRAMESIZES: |
1075 | case VIDIOC_ENUM_FRAMEINTERVALS: | |
92f45bad HV |
1076 | case VIDIOC_G_ENC_INDEX: |
1077 | case VIDIOC_ENCODER_CMD: | |
1078 | case VIDIOC_TRY_ENCODER_CMD: | |
1079 | case VIDIOC_DBG_S_REGISTER: | |
1080 | case VIDIOC_DBG_G_REGISTER: | |
aecde8b5 | 1081 | case VIDIOC_DBG_G_CHIP_IDENT: |
92f45bad | 1082 | case VIDIOC_S_HW_FREQ_SEEK: |
b6456c0c MK |
1083 | case VIDIOC_ENUM_DV_PRESETS: |
1084 | case VIDIOC_S_DV_PRESET: | |
1085 | case VIDIOC_G_DV_PRESET: | |
1086 | case VIDIOC_QUERY_DV_PRESET: | |
1087 | case VIDIOC_S_DV_TIMINGS: | |
1088 | case VIDIOC_G_DV_TIMINGS: | |
fda10214 SA |
1089 | case VIDIOC_DQEVENT: |
1090 | case VIDIOC_SUBSCRIBE_EVENT: | |
1091 | case VIDIOC_UNSUBSCRIBE_EVENT: | |
0d0fbf81 AB |
1092 | ret = do_video_ioctl(file, cmd, arg); |
1093 | break; | |
1094 | ||
5bdd6cc3 | 1095 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
0d0fbf81 AB |
1096 | /* BTTV specific... */ |
1097 | case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]): | |
1098 | case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]): | |
1099 | case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int): | |
1100 | case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */ | |
1101 | case _IOR('v' , BASE_VIDIOCPRIVATE+4, int): | |
1102 | case _IOR('v' , BASE_VIDIOCPRIVATE+5, int): | |
1103 | case _IOR('v' , BASE_VIDIOCPRIVATE+6, int): | |
1104 | case _IOR('v' , BASE_VIDIOCPRIVATE+7, int): | |
1105 | ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); | |
1106 | break; | |
5bdd6cc3 | 1107 | #endif |
a113bc78 | 1108 | default: |
7943ecf1 HV |
1109 | printk(KERN_WARNING "compat_ioctl32: " |
1110 | "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n", | |
1111 | _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd); | |
7d4f0b81 | 1112 | break; |