projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
cpufreq: governor: Always schedule work on the CPU running update
[deliverable/linux.git] / drivers / media / v4l2-core / v4l2-compat-ioctl32.c
CommitLineData
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>
133b7354 17#include <linux/module.h>
b9d0aa6e 18#include <linux/videodev2.h>
ed45ce2c 19#include <linux/v4l2-subdev.h>
b9d0aa6e 20#include <media/v4l2-dev.h>
2864462e 21#include <media/v4l2-ioctl.h>
0d0fbf81 22
069b7479 23static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
92f45bad 24{
069b7479 25 long ret = -ENOIOCTLCMD;
92f45bad
HV		 26
27 if (file->f_op->unlocked_ioctl)
28 ret = file->f_op->unlocked_ioctl(file, cmd, arg);
92f45bad
HV		 29
30 return ret;
31}
32
33
d1f81da2 34struct v4l2_clip32 {
cf664a64
PDM		 35 struct v4l2_rect c;
36 compat_caddr_t next;
37};
38
d1f81da2 39struct v4l2_window32 {
cf664a64 40 struct v4l2_rect w;
6016af82 41 __u32 field; /* enum v4l2_field */
cf664a64
PDM		 42 __u32 chromakey;
43 compat_caddr_t clips; /* actually struct v4l2_clip32 * */
44 __u32 clipcount;
45 compat_caddr_t bitmap;
46};
47
48static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
49{
a113bc78
GM		 50 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) ||
51 copy_from_user(&kp->w, &up->w, sizeof(up->w)) ||
52 get_user(kp->field, &up->field) ||
53 get_user(kp->chromakey, &up->chromakey) ||
54 get_user(kp->clipcount, &up->clipcount))
55 return -EFAULT;
cf664a64
PDM		 56 if (kp->clipcount > 2048)
57 return -EINVAL;
58 if (kp->clipcount) {
5b1a43d7
AV		 59 struct v4l2_clip32 __user *uclips;
60 struct v4l2_clip __user *kclips;
cf664a64 61 int n = kp->clipcount;
5b1a43d7 62 compat_caddr_t p;
cf664a64 63
5b1a43d7
AV		 64 if (get_user(p, &up->clips))
65 return -EFAULT;
66 uclips = compat_ptr(p);
cf664a64
PDM		 67 kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
68 kp->clips = kclips;
69 while (--n >= 0) {
5b1a43d7
AV		 70 if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
71 return -EFAULT;
72 if (put_user(n ? kclips + 1 : NULL, &kclips->next))
a113bc78 73 return -EFAULT;
cf664a64
PDM		 74 uclips += 1;
75 kclips += 1;
76 }
77 } else
5b1a43d7 78 kp->clips = NULL;
cf664a64
PDM		 79 return 0;
80}
81
82static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
83{
f2e6c6ad 84 if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
a113bc78
GM		 85 put_user(kp->field, &up->field) ||
86 put_user(kp->chromakey, &up->chromakey) ||
87 put_user(kp->clipcount, &up->clipcount))
88 return -EFAULT;
cf664a64
PDM		 89 return 0;
90}
91
92static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
93{
5b1a43d7
AV		 94 if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format)))
95 return -EFAULT;
a113bc78 96 return 0;
cf664a64
PDM		 97}
98
52a3082f
PO		 99static inline int get_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp,
100 struct v4l2_pix_format_mplane __user *up)
101{
102 if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format_mplane)))
103 return -EFAULT;
104 return 0;
105}
106
cf664a64
PDM		 107static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
108{
5b1a43d7
AV		 109 if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format)))
110 return -EFAULT;
a113bc78 111 return 0;
cf664a64
PDM		 112}
113
52a3082f
PO		 114static inline int put_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp,
115 struct v4l2_pix_format_mplane __user *up)
116{
117 if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format_mplane)))
118 return -EFAULT;
119 return 0;
120}
121
cf664a64
PDM		 122static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
123{
5b1a43d7
AV		 124 if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format)))
125 return -EFAULT;
a113bc78 126 return 0;
cf664a64
PDM		 127}
128
129static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
130{
5b1a43d7
AV		 131 if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format)))
132 return -EFAULT;
a113bc78 133 return 0;
cf664a64
PDM		 134}
135
92f45bad
HV		 136static inline int get_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
137{
138 if (copy_from_user(kp, up, sizeof(struct v4l2_sliced_vbi_format)))
139 return -EFAULT;
140 return 0;
141}
142
143static inline int put_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
144{
145 if (copy_to_user(up, kp, sizeof(struct v4l2_sliced_vbi_format)))
146 return -EFAULT;
147 return 0;
148}
149
d5beb67b
HV		 150static inline int get_v4l2_sdr_format(struct v4l2_sdr_format *kp, struct v4l2_sdr_format __user *up)
151{
152 if (copy_from_user(kp, up, sizeof(struct v4l2_sdr_format)))
153 return -EFAULT;
154 return 0;
155}
156
157static inline int put_v4l2_sdr_format(struct v4l2_sdr_format *kp, struct v4l2_sdr_format __user *up)
158{
159 if (copy_to_user(up, kp, sizeof(struct v4l2_sdr_format)))
160 return -EFAULT;
161 return 0;
162}
163
d1f81da2 164struct v4l2_format32 {
6016af82 165 __u32 type; /* enum v4l2_buf_type */
d1f81da2 166 union {
92f45bad 167 struct v4l2_pix_format pix;
52a3082f 168 struct v4l2_pix_format_mplane pix_mp;
92f45bad
HV		 169 struct v4l2_window32 win;
170 struct v4l2_vbi_format vbi;
171 struct v4l2_sliced_vbi_format sliced;
d5beb67b 172 struct v4l2_sdr_format sdr;
d1f81da2 173 __u8 raw_data[200]; /* user-defined */
cf664a64
PDM		 174 } fmt;
175};
176
09362ec2
GL		 177/**
178 * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
179 * @index: on return, index of the first created buffer
180 * @count: entry: number of requested buffers,
181 * return: number of created buffers
182 * @memory: buffer memory type
183 * @format: frame format, for which buffers are requested
184 * @reserved: future extensions
185 */
2150158b 186struct v4l2_create_buffers32 {
09362ec2 187 __u32 index;
2150158b 188 __u32 count;
6016af82 189 __u32 memory; /* enum v4l2_memory */
09362ec2 190 struct v4l2_format32 format;
2150158b
GL		 191 __u32 reserved[8];
192};
193
194static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
cf664a64 195{
ec77581a
GL		 196 if (get_user(kp->type, &up->type))
197 return -EFAULT;
198
cf664a64
PDM		 199 switch (kp->type) {
200 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
92f45bad 201 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
cf664a64 202 return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
52a3082f
PO		 203 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
204 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
205 return get_v4l2_pix_format_mplane(&kp->fmt.pix_mp,
206 &up->fmt.pix_mp);
cf664a64 207 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
92f45bad 208 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
cf664a64
PDM		 209 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
210 case V4L2_BUF_TYPE_VBI_CAPTURE:
92f45bad 211 case V4L2_BUF_TYPE_VBI_OUTPUT:
cf664a64 212 return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
92f45bad
HV		 213 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
214 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
215 return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
d5beb67b 216 case V4L2_BUF_TYPE_SDR_CAPTURE:
9effc72f 217 case V4L2_BUF_TYPE_SDR_OUTPUT:
d5beb67b 218 return get_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr);
cf664a64 219 default:
d5beb67b 220 pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
cf664a64 221 kp->type);
92f45bad 222 return -EINVAL;
cf664a64
PDM		 223 }
224}
225
2150158b
GL		 226static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
227{
ec77581a
GL		 228 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)))
229 return -EFAULT;
2150158b
GL		 230 return __get_v4l2_format32(kp, up);
231}
232
233static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
234{
235 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) ||
ec77581a
GL		 236 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
237 return -EFAULT;
2150158b
GL		 238 return __get_v4l2_format32(&kp->format, &up->format);
239}
240
241static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
cf664a64 242{
6ed9b285
GL		 243 if (put_user(kp->type, &up->type))
244 return -EFAULT;
245
cf664a64
PDM		 246 switch (kp->type) {
247 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
92f45bad 248 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
cf664a64 249 return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
52a3082f
PO		 250 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
251 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
252 return put_v4l2_pix_format_mplane(&kp->fmt.pix_mp,
253 &up->fmt.pix_mp);
cf664a64 254 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
92f45bad 255 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
cf664a64
PDM		 256 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
257 case V4L2_BUF_TYPE_VBI_CAPTURE:
92f45bad 258 case V4L2_BUF_TYPE_VBI_OUTPUT:
cf664a64 259 return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
92f45bad
HV		 260 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
261 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
262 return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
d5beb67b 263 case V4L2_BUF_TYPE_SDR_CAPTURE:
9effc72f 264 case V4L2_BUF_TYPE_SDR_OUTPUT:
d5beb67b 265 return put_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr);
cf664a64 266 default:
d5beb67b 267 pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
92f45bad
HV		 268 kp->type);
269 return -EINVAL;
cf664a64
PDM		 270 }
271}
272
2150158b
GL		 273static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
274{
6ed9b285 275 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)))
2150158b
GL		 276 return -EFAULT;
277 return __put_v4l2_format32(kp, up);
278}
279
280static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
281{
282 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
6ed9b285
GL		 283 copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
284 return -EFAULT;
2150158b
GL		 285 return __put_v4l2_format32(&kp->format, &up->format);
286}
287
d1f81da2 288struct v4l2_standard32 {
cf664a64 289 __u32 index;
655e9780 290 compat_u64 id;
cf664a64
PDM		 291 __u8 name[24];
292 struct v4l2_fract frameperiod; /* Frames, not fields */
293 __u32 framelines;
294 __u32 reserved[4];
295};
296
297static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
298{
299 /* other fields are not set by the user, nor used by the driver */
a113bc78
GM		 300 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) ||
301 get_user(kp->index, &up->index))
302 return -EFAULT;
303 return 0;
cf664a64
PDM		 304}
305
306static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
307{
d1f81da2 308 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) ||
a113bc78 309 put_user(kp->index, &up->index) ||
655e9780 310 put_user(kp->id, &up->id) ||
a113bc78
GM		 311 copy_to_user(up->name, kp->name, 24) ||
312 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
313 put_user(kp->framelines, &up->framelines) ||
314 copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32)))
315 return -EFAULT;
316 return 0;
317}
318
52a3082f
PO		 319struct v4l2_plane32 {
320 __u32 bytesused;
321 __u32 length;
322 union {
323 __u32 mem_offset;
324 compat_long_t userptr;
051c7788 325 __s32 fd;
52a3082f
PO		 326 } m;
327 __u32 data_offset;
328 __u32 reserved[11];
329};
330
d1f81da2 331struct v4l2_buffer32 {
cf664a64 332 __u32 index;
6016af82 333 __u32 type; /* enum v4l2_buf_type */
cf664a64
PDM		 334 __u32 bytesused;
335 __u32 flags;
6016af82 336 __u32 field; /* enum v4l2_field */
cf664a64
PDM		 337 struct compat_timeval timestamp;
338 struct v4l2_timecode timecode;
339 __u32 sequence;
340
341 /* memory location */
6016af82 342 __u32 memory; /* enum v4l2_memory */
cf664a64
PDM		 343 union {
344 __u32 offset;
345 compat_long_t userptr;
52a3082f 346 compat_caddr_t planes;
051c7788 347 __s32 fd;
cf664a64
PDM		 348 } m;
349 __u32 length;
2b719d7b 350 __u32 reserved2;
cf664a64
PDM		 351 __u32 reserved;
352};
353
8ae632b1 354static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
52a3082f
PO		 355 enum v4l2_memory memory)
356{
357 void __user *up_pln;
358 compat_long_t p;
359
360 if (copy_in_user(up, up32, 2 * sizeof(__u32)) ||
361 copy_in_user(&up->data_offset, &up32->data_offset,
362 sizeof(__u32)))
363 return -EFAULT;
364
365 if (memory == V4L2_MEMORY_USERPTR) {
366 if (get_user(p, &up32->m.userptr))
367 return -EFAULT;
368 up_pln = compat_ptr(p);
369 if (put_user((unsigned long)up_pln, &up->m.userptr))
370 return -EFAULT;
051c7788
SS		 371 } else if (memory == V4L2_MEMORY_DMABUF) {
372 if (copy_in_user(&up->m.fd, &up32->m.fd, sizeof(int)))
373 return -EFAULT;
52a3082f
PO		 374 } else {
375 if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
376 sizeof(__u32)))
377 return -EFAULT;
378 }
379
380 return 0;
381}
382
8ae632b1 383static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
52a3082f
PO		 384 enum v4l2_memory memory)
385{
386 if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
387 copy_in_user(&up32->data_offset, &up->data_offset,
388 sizeof(__u32)))
389 return -EFAULT;
390
391 /* For MMAP, driver might've set up the offset, so copy it back.
392 * USERPTR stays the same (was userspace-provided), so no copying. */
393 if (memory == V4L2_MEMORY_MMAP)
394 if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
395 sizeof(__u32)))
396 return -EFAULT;
051c7788
SS		 397 /* For DMABUF, driver might've set up the fd, so copy it back. */
398 if (memory == V4L2_MEMORY_DMABUF)
399 if (copy_in_user(&up32->m.fd, &up->m.fd,
400 sizeof(int)))
401 return -EFAULT;
52a3082f
PO		 402
403 return 0;
404}
405
cf664a64
PDM		 406static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
407{
52a3082f
PO		 408 struct v4l2_plane32 __user *uplane32;
409 struct v4l2_plane __user *uplane;
410 compat_caddr_t p;
411 int num_planes;
412 int ret;
cf664a64 413
a113bc78
GM		 414 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) ||
415 get_user(kp->index, &up->index) ||
416 get_user(kp->type, &up->type) ||
417 get_user(kp->flags, &up->flags) ||
cc831f84 418 get_user(kp->memory, &up->memory))
a113bc78 419 return -EFAULT;
52a3082f
PO		 420
421 if (V4L2_TYPE_IS_OUTPUT(kp->type))
422 if (get_user(kp->bytesused, &up->bytesused) ||
423 get_user(kp->field, &up->field) ||
424 get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
425 get_user(kp->timestamp.tv_usec,
426 &up->timestamp.tv_usec))
22c859fa 427 return -EFAULT;
cf664a64 428
52a3082f
PO		 429 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
430 if (get_user(kp->length, &up->length))
5b1a43d7
AV		 431 return -EFAULT;
432
52a3082f
PO		 433 num_planes = kp->length;
434 if (num_planes == 0) {
435 kp->m.planes = NULL;
436 /* num_planes == 0 is legal, e.g. when userspace doesn't
437 * need planes array on DQBUF*/
438 return 0;
cf664a64 439 }
52a3082f
PO		 440
441 if (get_user(p, &up->m.planes))
a113bc78 442 return -EFAULT;
52a3082f
PO		 443
444 uplane32 = compat_ptr(p);
445 if (!access_ok(VERIFY_READ, uplane32,
446 num_planes * sizeof(struct v4l2_plane32)))
447 return -EFAULT;
448
449 /* We don't really care if userspace decides to kill itself
450 * by passing a very big num_planes value */
451 uplane = compat_alloc_user_space(num_planes *
452 sizeof(struct v4l2_plane));
8ae632b1 453 kp->m.planes = (__force struct v4l2_plane *)uplane;
52a3082f
PO		 454
455 while (--num_planes >= 0) {
456 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
457 if (ret)
458 return ret;
459 ++uplane;
460 ++uplane32;
461 }
462 } else {
463 switch (kp->memory) {
464 case V4L2_MEMORY_MMAP:
465 if (get_user(kp->length, &up->length) ||
466 get_user(kp->m.offset, &up->m.offset))
467 return -EFAULT;
468 break;
469 case V4L2_MEMORY_USERPTR:
470 {
471 compat_long_t tmp;
472
473 if (get_user(kp->length, &up->length) ||
474 get_user(tmp, &up->m.userptr))
475 return -EFAULT;
476
477 kp->m.userptr = (unsigned long)compat_ptr(tmp);
478 }
479 break;
480 case V4L2_MEMORY_OVERLAY:
481 if (get_user(kp->m.offset, &up->m.offset))
482 return -EFAULT;
483 break;
051c7788
SS		 484 case V4L2_MEMORY_DMABUF:
485 if (get_user(kp->m.fd, &up->m.fd))
486 return -EFAULT;
487 break;
52a3082f 488 }
cf664a64 489 }
52a3082f 490
cf664a64
PDM		 491 return 0;
492}
493
494static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
495{
52a3082f
PO		 496 struct v4l2_plane32 __user *uplane32;
497 struct v4l2_plane __user *uplane;
498 compat_caddr_t p;
499 int num_planes;
500 int ret;
501
a113bc78
GM		 502 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) ||
503 put_user(kp->index, &up->index) ||
504 put_user(kp->type, &up->type) ||
505 put_user(kp->flags, &up->flags) ||
cc831f84 506 put_user(kp->memory, &up->memory))
a113bc78 507 return -EFAULT;
52a3082f 508
a113bc78
GM		 509 if (put_user(kp->bytesused, &up->bytesused) ||
510 put_user(kp->field, &up->field) ||
511 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
512 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
513 copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
514 put_user(kp->sequence, &up->sequence) ||
2b719d7b 515 put_user(kp->reserved2, &up->reserved2) ||
cc831f84 516 put_user(kp->reserved, &up->reserved))
a113bc78 517 return -EFAULT;
52a3082f
PO		 518
519 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
520 num_planes = kp->length;
521 if (num_planes == 0)
522 return 0;
523
8ae632b1 524 uplane = (__force struct v4l2_plane __user *)kp->m.planes;
52a3082f
PO		 525 if (get_user(p, &up->m.planes))
526 return -EFAULT;
527 uplane32 = compat_ptr(p);
528
529 while (--num_planes >= 0) {
530 ret = put_v4l2_plane32(uplane, uplane32, kp->memory);
531 if (ret)
532 return ret;
533 ++uplane;
534 ++uplane32;
535 }
536 } else {
537 switch (kp->memory) {
538 case V4L2_MEMORY_MMAP:
539 if (put_user(kp->length, &up->length) ||
540 put_user(kp->m.offset, &up->m.offset))
541 return -EFAULT;
542 break;
543 case V4L2_MEMORY_USERPTR:
544 if (put_user(kp->length, &up->length) ||
545 put_user(kp->m.userptr, &up->m.userptr))
546 return -EFAULT;
547 break;
548 case V4L2_MEMORY_OVERLAY:
549 if (put_user(kp->m.offset, &up->m.offset))
550 return -EFAULT;
551 break;
051c7788
SS		 552 case V4L2_MEMORY_DMABUF:
553 if (put_user(kp->m.fd, &up->m.fd))
554 return -EFAULT;
555 break;
52a3082f
PO		 556 }
557 }
558
cf664a64
PDM		 559 return 0;
560}
561
d1f81da2 562struct v4l2_framebuffer32 {
cf664a64
PDM		 563 __u32 capability;
564 __u32 flags;
565 compat_caddr_t base;
d52e2381
LP		 566 struct {
567 __u32 width;
568 __u32 height;
569 __u32 pixelformat;
570 __u32 field;
571 __u32 bytesperline;
572 __u32 sizeimage;
573 __u32 colorspace;
574 __u32 priv;
575 } fmt;
cf664a64
PDM		 576};
577
13d133bc
PDM		 578static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
579{
580 u32 tmp;
581
a113bc78
GM		 582 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) ||
583 get_user(tmp, &up->base) ||
584 get_user(kp->capability, &up->capability) ||
d52e2381
LP		 585 get_user(kp->flags, &up->flags) ||
586 copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
a113bc78 587 return -EFAULT;
8ae632b1 588 kp->base = (__force void *)compat_ptr(tmp);
13d133bc
PDM		 589 return 0;
590}
591
cf664a64
PDM		 592static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
593{
594 u32 tmp = (u32)((unsigned long)kp->base);
595
d1f81da2 596 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) ||
a113bc78
GM		 597 put_user(tmp, &up->base) ||
598 put_user(kp->capability, &up->capability) ||
d52e2381
LP		 599 put_user(kp->flags, &up->flags) ||
600 copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt)))
a113bc78 601 return -EFAULT;
cf664a64
PDM		 602 return 0;
603}
604
92f45bad
HV		 605struct v4l2_input32 {
606 __u32 index; /* Which input */
607 __u8 name[32]; /* Label */
608 __u32 type; /* Type of input */
609 __u32 audioset; /* Associated audios (bitfield) */
610 __u32 tuner; /* Associated tuner */
655e9780 611 compat_u64 std;
92f45bad
HV		 612 __u32 status;
613 __u32 reserved[4];
655e9780 614};
92f45bad
HV		 615
616/* The 64-bit v4l2_input struct has extra padding at the end of the struct.
617 Otherwise it is identical to the 32-bit version. */
618static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
a113bc78 619{
92f45bad 620 if (copy_from_user(kp, up, sizeof(struct v4l2_input32)))
5b1a43d7 621 return -EFAULT;
a113bc78
GM		 622 return 0;
623}
624
92f45bad 625static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
a113bc78 626{
92f45bad 627 if (copy_to_user(up, kp, sizeof(struct v4l2_input32)))
5b1a43d7 628 return -EFAULT;
a113bc78
GM		 629 return 0;
630}
631
92f45bad 632struct v4l2_ext_controls32 {
0f8017be 633 __u32 which;
28c50292
RR		 634 __u32 count;
635 __u32 error_idx;
636 __u32 reserved[2];
637 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
eb4eeccc
MCC		 638};
639
6b5a9492
HV		 640struct v4l2_ext_control32 {
641 __u32 id;
642 __u32 size;
643 __u32 reserved2[1];
644 union {
645 __s32 value;
646 __s64 value64;
647 compat_caddr_t string; /* actually char * */
648 };
649} __attribute__ ((packed));
650
651/* The following function really belong in v4l2-common, but that causes
652 a circular dependency between modules. We need to think about this, but
653 for now this will do. */
654
655/* Return non-zero if this control is a pointer type. Currently only
fdf82dc2 656 type STRING is a pointer type. */
6b5a9492
HV		 657static inline int ctrl_is_pointer(u32 id)
658{
fdf82dc2
EV		 659 switch (id) {
660 case V4L2_CID_RDS_TX_PS_NAME:
661 case V4L2_CID_RDS_TX_RADIO_TEXT:
662 return 1;
663 default:
664 return 0;
665 }
6b5a9492
HV		 666}
667
92f45bad 668static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
eb4eeccc 669{
6b5a9492 670 struct v4l2_ext_control32 __user *ucontrols;
92f45bad
HV		 671 struct v4l2_ext_control __user *kcontrols;
672 int n;
673 compat_caddr_t p;
674
675 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) ||
0f8017be 676 get_user(kp->which, &up->which) ||
92f45bad
HV		 677 get_user(kp->count, &up->count) ||
678 get_user(kp->error_idx, &up->error_idx) ||
28c50292
RR		 679 copy_from_user(kp->reserved, up->reserved,
680 sizeof(kp->reserved)))
92f45bad
HV		 681 return -EFAULT;
682 n = kp->count;
683 if (n == 0) {
684 kp->controls = NULL;
685 return 0;
686 }
687 if (get_user(p, &up->controls))
688 return -EFAULT;
689 ucontrols = compat_ptr(p);
52a3082f
PO		 690 if (!access_ok(VERIFY_READ, ucontrols,
691 n * sizeof(struct v4l2_ext_control32)))
92f45bad
HV		 692 return -EFAULT;
693 kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control));
8ae632b1 694 kp->controls = (__force struct v4l2_ext_control *)kcontrols;
92f45bad 695 while (--n >= 0) {
8ae632b1
HV		 696 u32 id;
697
52a3082f 698 if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
92f45bad 699 return -EFAULT;
8ae632b1
HV		 700 if (get_user(id, &kcontrols->id))
701 return -EFAULT;
702 if (ctrl_is_pointer(id)) {
6b5a9492
HV		 703 void __user *s;
704
705 if (get_user(p, &ucontrols->string))
706 return -EFAULT;
707 s = compat_ptr(p);
708 if (put_user(s, &kcontrols->string))
709 return -EFAULT;
710 }
92f45bad
HV		 711 ucontrols++;
712 kcontrols++;
713 }
eb4eeccc
MCC		 714 return 0;
715}
716
92f45bad 717static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
0d0fbf81 718{
6b5a9492 719 struct v4l2_ext_control32 __user *ucontrols;
8ae632b1
HV		 720 struct v4l2_ext_control __user *kcontrols =
721 (__force struct v4l2_ext_control __user *)kp->controls;
92f45bad
HV		 722 int n = kp->count;
723 compat_caddr_t p;
724
725 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_ext_controls32)) ||
0f8017be 726 put_user(kp->which, &up->which) ||
92f45bad
HV		 727 put_user(kp->count, &up->count) ||
728 put_user(kp->error_idx, &up->error_idx) ||
729 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
730 return -EFAULT;
731 if (!kp->count)
732 return 0;
a113bc78 733
92f45bad 734 if (get_user(p, &up->controls))
0d0fbf81 735 return -EFAULT;
92f45bad 736 ucontrols = compat_ptr(p);
52a3082f
PO		 737 if (!access_ok(VERIFY_WRITE, ucontrols,
738 n * sizeof(struct v4l2_ext_control32)))
0d0fbf81
AB		 739 return -EFAULT;
740
92f45bad 741 while (--n >= 0) {
6b5a9492 742 unsigned size = sizeof(*ucontrols);
8ae632b1 743 u32 id;
6b5a9492 744
8ae632b1
HV		 745 if (get_user(id, &kcontrols->id))
746 return -EFAULT;
6b5a9492
HV		 747 /* Do not modify the pointer when copying a pointer control.
748 The contents of the pointer was changed, not the pointer
749 itself. */
8ae632b1 750 if (ctrl_is_pointer(id))
6b5a9492
HV		 751 size -= sizeof(ucontrols->value64);
752 if (copy_in_user(ucontrols, kcontrols, size))
92f45bad
HV		 753 return -EFAULT;
754 ucontrols++;
755 kcontrols++;
0d0fbf81 756 }
92f45bad 757 return 0;
0d0fbf81 758}
92f45bad 759
2330fb82
HV		 760struct v4l2_event32 {
761 __u32 type;
762 union {
655e9780 763 compat_s64 value64;
2330fb82
HV		 764 __u8 data[64];
765 } u;
766 __u32 pending;
767 __u32 sequence;
768 struct compat_timespec timestamp;
769 __u32 id;
770 __u32 reserved[8];
771};
772
773static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up)
774{
775 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_event32)) ||
776 put_user(kp->type, &up->type) ||
777 copy_to_user(&up->u, &kp->u, sizeof(kp->u)) ||
778 put_user(kp->pending, &up->pending) ||
779 put_user(kp->sequence, &up->sequence) ||
81993e81 780 compat_put_timespec(&kp->timestamp, &up->timestamp) ||
2330fb82
HV		 781 put_user(kp->id, &up->id) ||
782 copy_to_user(up->reserved, kp->reserved, 8 * sizeof(__u32)))
783 return -EFAULT;
784 return 0;
785}
786
dd519bb3 787struct v4l2_edid32 {
ed45ce2c
HV		 788 __u32 pad;
789 __u32 start_block;
790 __u32 blocks;
791 __u32 reserved[5];
792 compat_caddr_t edid;
793};
794
dd519bb3 795static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up)
ed45ce2c
HV		 796{
797 u32 tmp;
798
dd519bb3 799 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_edid32)) ||
ed45ce2c
HV		 800 get_user(kp->pad, &up->pad) ||
801 get_user(kp->start_block, &up->start_block) ||
802 get_user(kp->blocks, &up->blocks) ||
803 get_user(tmp, &up->edid) ||
804 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
805 return -EFAULT;
8ae632b1 806 kp->edid = (__force u8 *)compat_ptr(tmp);
ed45ce2c
HV		 807 return 0;
808}
809
dd519bb3 810static int put_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up)
ed45ce2c
HV		 811{
812 u32 tmp = (u32)((unsigned long)kp->edid);
813
dd519bb3 814 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_edid32)) ||
ed45ce2c
HV		 815 put_user(kp->pad, &up->pad) ||
816 put_user(kp->start_block, &up->start_block) ||
817 put_user(kp->blocks, &up->blocks) ||
818 put_user(tmp, &up->edid) ||
8ae632b1 819 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
ed45ce2c
HV		 820 return -EFAULT;
821 return 0;
822}
823
824
92f45bad
HV		 825#define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
826#define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
827#define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
828#define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
829#define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
830#define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
831#define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
832#define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
833#define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
dd519bb3
HV		 834#define VIDIOC_G_EDID32 _IOWR('V', 40, struct v4l2_edid32)
835#define VIDIOC_S_EDID32 _IOWR('V', 41, struct v4l2_edid32)
92f45bad
HV		 836#define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
837#define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
838#define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
839#define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
2330fb82 840#define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32)
2150158b
GL		 841#define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32)
842#define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32)
92f45bad
HV		 843
844#define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
92f45bad
HV		 845#define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
846#define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
847#define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
848#define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
849#define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
850#define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
0d0fbf81 851
069b7479 852static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
0d0fbf81
AB		 853{
854 union {
cf664a64
PDM		 855 struct v4l2_format v2f;
856 struct v4l2_buffer v2b;
857 struct v4l2_framebuffer v2fb;
a113bc78 858 struct v4l2_input v2i;
92f45bad
HV		 859 struct v4l2_standard v2s;
860 struct v4l2_ext_controls v2ecs;
2330fb82 861 struct v4l2_event v2ev;
2150158b 862 struct v4l2_create_buffers v2crt;
dd519bb3 863 struct v4l2_edid v2edid;
0d0fbf81 864 unsigned long vx;
92f45bad 865 int vi;
0d0fbf81 866 } karg;
0d0fbf81 867 void __user *up = compat_ptr(arg);
cf664a64 868 int compatible_arg = 1;
069b7479 869 long err = 0;
0d0fbf81
AB		 870
871 /* First, convert the command. */
d1f81da2 872 switch (cmd) {
92f45bad
HV		 873 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
874 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
875 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
876 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
877 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
878 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
879 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
880 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
881 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
882 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
883 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
884 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
885 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
2330fb82 886 case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break;
92f45bad 887 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
92f45bad
HV		 888 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
889 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
890 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
891 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
892 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
893 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
2150158b
GL		 894 case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break;
895 case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break;
dd519bb3
HV		 896 case VIDIOC_G_EDID32: cmd = VIDIOC_G_EDID; break;
897 case VIDIOC_S_EDID32: cmd = VIDIOC_S_EDID; break;
92f45bad 898 }
0d0fbf81 899
d1f81da2 900 switch (cmd) {
cf664a64 901 case VIDIOC_OVERLAY:
13d133bc
PDM		 902 case VIDIOC_STREAMON:
903 case VIDIOC_STREAMOFF:
92f45bad
HV		 904 case VIDIOC_S_INPUT:
905 case VIDIOC_S_OUTPUT:
906 err = get_user(karg.vi, (s32 __user *)up);
907 compatible_arg = 0;
0d0fbf81 908 break;
13d133bc 909
92f45bad
HV		 910 case VIDIOC_G_INPUT:
911 case VIDIOC_G_OUTPUT:
13d133bc
PDM		 912 compatible_arg = 0;
913 break;
cf664a64 914
dd519bb3
HV		 915 case VIDIOC_G_EDID:
916 case VIDIOC_S_EDID:
917 err = get_v4l2_edid32(&karg.v2edid, up);
ed45ce2c
HV		 918 compatible_arg = 0;
919 break;
920
cf664a64
PDM		 921 case VIDIOC_G_FMT:
922 case VIDIOC_S_FMT:
923 case VIDIOC_TRY_FMT:
924 err = get_v4l2_format32(&karg.v2f, up);
925 compatible_arg = 0;
926 break;
927
2150158b
GL		 928 case VIDIOC_CREATE_BUFS:
929 err = get_v4l2_create32(&karg.v2crt, up);
930 compatible_arg = 0;
931 break;
932
933 case VIDIOC_PREPARE_BUF:
cf664a64
PDM		 934 case VIDIOC_QUERYBUF:
935 case VIDIOC_QBUF:
936 case VIDIOC_DQBUF:
937 err = get_v4l2_buffer32(&karg.v2b, up);
938 compatible_arg = 0;
939 break;
940
92f45bad
HV		 941 case VIDIOC_S_FBUF:
942 err = get_v4l2_framebuffer32(&karg.v2fb, up);
a113bc78
GM		 943 compatible_arg = 0;
944 break;
945
92f45bad 946 case VIDIOC_G_FBUF:
cf664a64
PDM		 947 compatible_arg = 0;
948 break;
949
92f45bad
HV		 950 case VIDIOC_ENUMSTD:
951 err = get_v4l2_standard32(&karg.v2s, up);
a113bc78
GM		 952 compatible_arg = 0;
953 break;
954
92f45bad 955 case VIDIOC_ENUMINPUT:
a113bc78
GM		 956 err = get_v4l2_input32(&karg.v2i, up);
957 compatible_arg = 0;
958 break;
959
92f45bad
HV		 960 case VIDIOC_G_EXT_CTRLS:
961 case VIDIOC_S_EXT_CTRLS:
962 case VIDIOC_TRY_EXT_CTRLS:
963 err = get_v4l2_ext_controls32(&karg.v2ecs, up);
a113bc78
GM		 964 compatible_arg = 0;
965 break;
2330fb82
HV		 966 case VIDIOC_DQEVENT:
967 compatible_arg = 0;
968 break;
92f45bad 969 }
d1f81da2 970 if (err)
92f45bad 971 return err;
0d0fbf81 972
d1f81da2 973 if (compatible_arg)
92f45bad 974 err = native_ioctl(file, cmd, (unsigned long)up);
cf664a64
PDM		 975 else {
976 mm_segment_t old_fs = get_fs();
0d0fbf81 977
cf664a64 978 set_fs(KERNEL_DS);
92f45bad 979 err = native_ioctl(file, cmd, (unsigned long)&karg);
cf664a64
PDM		 980 set_fs(old_fs);
981 }
92f45bad
HV		 982
983 /* Special case: even after an error we need to put the
984 results back for these ioctls since the error_idx will
985 contain information on which control failed. */
986 switch (cmd) {
987 case VIDIOC_G_EXT_CTRLS:
988 case VIDIOC_S_EXT_CTRLS:
989 case VIDIOC_TRY_EXT_CTRLS:
990 if (put_v4l2_ext_controls32(&karg.v2ecs, up))
991 err = -EFAULT;
992 break;
993 }
994 if (err)
995 return err;
996
997 switch (cmd) {
92f45bad
HV		 998 case VIDIOC_S_INPUT:
999 case VIDIOC_S_OUTPUT:
1000 case VIDIOC_G_INPUT:
1001 case VIDIOC_G_OUTPUT:
1002 err = put_user(((s32)karg.vi), (s32 __user *)up);
1003 break;
a113bc78 1004
92f45bad
HV		 1005 case VIDIOC_G_FBUF:
1006 err = put_v4l2_framebuffer32(&karg.v2fb, up);
1007 break;
1008
2330fb82
HV		 1009 case VIDIOC_DQEVENT:
1010 err = put_v4l2_event32(&karg.v2ev, up);
1011 break;
1012
dd519bb3
HV		 1013 case VIDIOC_G_EDID:
1014 case VIDIOC_S_EDID:
1015 err = put_v4l2_edid32(&karg.v2edid, up);
ed45ce2c
HV		 1016 break;
1017
92f45bad
HV		 1018 case VIDIOC_G_FMT:
1019 case VIDIOC_S_FMT:
1020 case VIDIOC_TRY_FMT:
1021 err = put_v4l2_format32(&karg.v2f, up);
1022 break;
1023
2150158b
GL		 1024 case VIDIOC_CREATE_BUFS:
1025 err = put_v4l2_create32(&karg.v2crt, up);
1026 break;
1027
92f45bad
HV		 1028 case VIDIOC_QUERYBUF:
1029 case VIDIOC_QBUF:
1030 case VIDIOC_DQBUF:
1031 err = put_v4l2_buffer32(&karg.v2b, up);
1032 break;
1033
1034 case VIDIOC_ENUMSTD:
1035 err = put_v4l2_standard32(&karg.v2s, up);
1036 break;
1037
1038 case VIDIOC_ENUMINPUT:
1039 err = put_v4l2_input32(&karg.v2i, up);
1040 break;
0d0fbf81 1041 }
0d0fbf81
AB		 1042 return err;
1043}
1044
9bb7cde7 1045long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
0d0fbf81 1046{
b9d0aa6e 1047 struct video_device *vdev = video_devdata(file);
069b7479 1048 long ret = -ENOIOCTLCMD;
0d0fbf81 1049
c6d7ba8b 1050 if (!file->f_op->unlocked_ioctl)
0d0fbf81
AB		 1051 return ret;
1052
ab58a301 1053 if (_IOC_TYPE(cmd) == 'V' && _IOC_NR(cmd) < BASE_VIDIOC_PRIVATE)
0d0fbf81 1054 ret = do_video_ioctl(file, cmd, arg);
ab58a301
HV		 1055 else if (vdev->fops->compat_ioctl32)
1056 ret = vdev->fops->compat_ioctl32(file, cmd, arg);
0d0fbf81 1057
ab58a301 1058 if (ret == -ENOIOCTLCMD)
9ec32cc7
HV		 1059 pr_debug("compat_ioctl32: unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
1060 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd);
e8efb71d 1061 return ret;
0d0fbf81 1062}
9bb7cde7 1063EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);
Linux kernel - Deliverables
This page took 0.968905 seconds and 5 git commands to generate.