2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3 * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de>
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
8 * Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
9 * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be)
10 * Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl>
12 * These routines maintain argument size conversion between 32bit and 64bit
16 #include <linux/compat.h>
17 #include <linux/module.h>
18 #include <linux/videodev2.h>
19 #include <linux/v4l2-subdev.h>
20 #include <media/v4l2-dev.h>
21 #include <media/v4l2-ioctl.h>
23 static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
25 long ret = -ENOIOCTLCMD;
27 if (file->f_op->unlocked_ioctl)
28 ret = file->f_op->unlocked_ioctl(file, cmd, arg);
39 struct v4l2_window32 {
41 __u32 field; /* enum v4l2_field */
43 compat_caddr_t clips; /* actually struct v4l2_clip32 * */
45 compat_caddr_t bitmap;
48 static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
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))
56 if (kp->clipcount > 2048)
59 struct v4l2_clip32 __user *uclips;
60 struct v4l2_clip __user *kclips;
61 int n = kp->clipcount;
64 if (get_user(p, &up->clips))
66 uclips = compat_ptr(p);
67 kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
70 if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
72 if (put_user(n ? kclips + 1 : NULL, &kclips->next))
82 static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
84 if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
85 put_user(kp->field, &up->field) ||
86 put_user(kp->chromakey, &up->chromakey) ||
87 put_user(kp->clipcount, &up->clipcount))
92 static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
94 if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format)))
99 static inline int get_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp,
100 struct v4l2_pix_format_mplane __user *up)
102 if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format_mplane)))
107 static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
109 if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format)))
114 static inline int put_v4l2_pix_format_mplane(struct v4l2_pix_format_mplane *kp,
115 struct v4l2_pix_format_mplane __user *up)
117 if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format_mplane)))
122 static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
124 if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format)))
129 static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
131 if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format)))
136 static inline int get_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
138 if (copy_from_user(kp, up, sizeof(struct v4l2_sliced_vbi_format)))
143 static inline int put_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
145 if (copy_to_user(up, kp, sizeof(struct v4l2_sliced_vbi_format)))
150 struct v4l2_format32 {
151 __u32 type; /* enum v4l2_buf_type */
153 struct v4l2_pix_format pix;
154 struct v4l2_pix_format_mplane pix_mp;
155 struct v4l2_window32 win;
156 struct v4l2_vbi_format vbi;
157 struct v4l2_sliced_vbi_format sliced;
158 __u8 raw_data[200]; /* user-defined */
163 * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
164 * @index: on return, index of the first created buffer
165 * @count: entry: number of requested buffers,
166 * return: number of created buffers
167 * @memory: buffer memory type
168 * @format: frame format, for which buffers are requested
169 * @reserved: future extensions
171 struct v4l2_create_buffers32 {
174 __u32 memory; /* enum v4l2_memory */
175 struct v4l2_format32 format;
179 static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
182 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
183 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
184 return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
185 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
186 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
187 return get_v4l2_pix_format_mplane(&kp->fmt.pix_mp,
189 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
190 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
191 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
192 case V4L2_BUF_TYPE_VBI_CAPTURE:
193 case V4L2_BUF_TYPE_VBI_OUTPUT:
194 return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
195 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
196 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
197 return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
199 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
205 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
207 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) ||
208 get_user(kp->type, &up->type))
210 return __get_v4l2_format32(kp, up);
213 static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
215 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_create_buffers32)) ||
216 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format.fmt)))
218 return __get_v4l2_format32(&kp->format, &up->format);
221 static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
224 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
225 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
226 return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
227 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
228 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
229 return put_v4l2_pix_format_mplane(&kp->fmt.pix_mp,
231 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
232 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
233 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
234 case V4L2_BUF_TYPE_VBI_CAPTURE:
235 case V4L2_BUF_TYPE_VBI_OUTPUT:
236 return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
237 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
238 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
239 return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
241 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
247 static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
249 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)) ||
250 put_user(kp->type, &up->type))
252 return __put_v4l2_format32(kp, up);
255 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
257 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
258 copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format.fmt)))
260 return __put_v4l2_format32(&kp->format, &up->format);
263 struct v4l2_standard32 {
265 __u32 id[2]; /* __u64 would get the alignment wrong */
267 struct v4l2_fract frameperiod; /* Frames, not fields */
272 static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
274 /* other fields are not set by the user, nor used by the driver */
275 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) ||
276 get_user(kp->index, &up->index))
281 static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
283 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) ||
284 put_user(kp->index, &up->index) ||
285 copy_to_user(up->id, &kp->id, sizeof(__u64)) ||
286 copy_to_user(up->name, kp->name, 24) ||
287 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
288 put_user(kp->framelines, &up->framelines) ||
289 copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32)))
294 struct v4l2_plane32 {
299 compat_long_t userptr;
305 struct v4l2_buffer32 {
307 __u32 type; /* enum v4l2_buf_type */
310 __u32 field; /* enum v4l2_field */
311 struct compat_timeval timestamp;
312 struct v4l2_timecode timecode;
315 /* memory location */
316 __u32 memory; /* enum v4l2_memory */
319 compat_long_t userptr;
320 compat_caddr_t planes;
327 static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
328 enum v4l2_memory memory)
333 if (copy_in_user(up, up32, 2 * sizeof(__u32)) ||
334 copy_in_user(&up->data_offset, &up32->data_offset,
338 if (memory == V4L2_MEMORY_USERPTR) {
339 if (get_user(p, &up32->m.userptr))
341 up_pln = compat_ptr(p);
342 if (put_user((unsigned long)up_pln, &up->m.userptr))
345 if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
353 static int put_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
354 enum v4l2_memory memory)
356 if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
357 copy_in_user(&up32->data_offset, &up->data_offset,
361 /* For MMAP, driver might've set up the offset, so copy it back.
362 * USERPTR stays the same (was userspace-provided), so no copying. */
363 if (memory == V4L2_MEMORY_MMAP)
364 if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
371 static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
373 struct v4l2_plane32 __user *uplane32;
374 struct v4l2_plane __user *uplane;
379 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) ||
380 get_user(kp->index, &up->index) ||
381 get_user(kp->type, &up->type) ||
382 get_user(kp->flags, &up->flags) ||
383 get_user(kp->memory, &up->memory))
386 if (V4L2_TYPE_IS_OUTPUT(kp->type))
387 if (get_user(kp->bytesused, &up->bytesused) ||
388 get_user(kp->field, &up->field) ||
389 get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
390 get_user(kp->timestamp.tv_usec,
391 &up->timestamp.tv_usec))
394 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
395 if (get_user(kp->length, &up->length))
398 num_planes = kp->length;
399 if (num_planes == 0) {
401 /* num_planes == 0 is legal, e.g. when userspace doesn't
402 * need planes array on DQBUF*/
406 if (get_user(p, &up->m.planes))
409 uplane32 = compat_ptr(p);
410 if (!access_ok(VERIFY_READ, uplane32,
411 num_planes * sizeof(struct v4l2_plane32)))
414 /* We don't really care if userspace decides to kill itself
415 * by passing a very big num_planes value */
416 uplane = compat_alloc_user_space(num_planes *
417 sizeof(struct v4l2_plane));
418 kp->m.planes = uplane;
420 while (--num_planes >= 0) {
421 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
428 switch (kp->memory) {
429 case V4L2_MEMORY_MMAP:
430 if (get_user(kp->length, &up->length) ||
431 get_user(kp->m.offset, &up->m.offset))
434 case V4L2_MEMORY_USERPTR:
438 if (get_user(kp->length, &up->length) ||
439 get_user(tmp, &up->m.userptr))
442 kp->m.userptr = (unsigned long)compat_ptr(tmp);
445 case V4L2_MEMORY_OVERLAY:
446 if (get_user(kp->m.offset, &up->m.offset))
455 static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
457 struct v4l2_plane32 __user *uplane32;
458 struct v4l2_plane __user *uplane;
463 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) ||
464 put_user(kp->index, &up->index) ||
465 put_user(kp->type, &up->type) ||
466 put_user(kp->flags, &up->flags) ||
467 put_user(kp->memory, &up->memory))
470 if (put_user(kp->bytesused, &up->bytesused) ||
471 put_user(kp->field, &up->field) ||
472 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
473 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
474 copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
475 put_user(kp->sequence, &up->sequence) ||
476 put_user(kp->reserved2, &up->reserved2) ||
477 put_user(kp->reserved, &up->reserved))
480 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
481 num_planes = kp->length;
485 uplane = kp->m.planes;
486 if (get_user(p, &up->m.planes))
488 uplane32 = compat_ptr(p);
490 while (--num_planes >= 0) {
491 ret = put_v4l2_plane32(uplane, uplane32, kp->memory);
498 switch (kp->memory) {
499 case V4L2_MEMORY_MMAP:
500 if (put_user(kp->length, &up->length) ||
501 put_user(kp->m.offset, &up->m.offset))
504 case V4L2_MEMORY_USERPTR:
505 if (put_user(kp->length, &up->length) ||
506 put_user(kp->m.userptr, &up->m.userptr))
509 case V4L2_MEMORY_OVERLAY:
510 if (put_user(kp->m.offset, &up->m.offset))
519 struct v4l2_framebuffer32 {
523 struct v4l2_pix_format fmt;
526 static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
530 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) ||
531 get_user(tmp, &up->base) ||
532 get_user(kp->capability, &up->capability) ||
533 get_user(kp->flags, &up->flags))
535 kp->base = compat_ptr(tmp);
536 get_v4l2_pix_format(&kp->fmt, &up->fmt);
540 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
542 u32 tmp = (u32)((unsigned long)kp->base);
544 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) ||
545 put_user(tmp, &up->base) ||
546 put_user(kp->capability, &up->capability) ||
547 put_user(kp->flags, &up->flags))
549 put_v4l2_pix_format(&kp->fmt, &up->fmt);
553 struct v4l2_input32 {
554 __u32 index; /* Which input */
555 __u8 name[32]; /* Label */
556 __u32 type; /* Type of input */
557 __u32 audioset; /* Associated audios (bitfield) */
558 __u32 tuner; /* Associated tuner */
562 } __attribute__ ((packed));
564 /* The 64-bit v4l2_input struct has extra padding at the end of the struct.
565 Otherwise it is identical to the 32-bit version. */
566 static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
568 if (copy_from_user(kp, up, sizeof(struct v4l2_input32)))
573 static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
575 if (copy_to_user(up, kp, sizeof(struct v4l2_input32)))
580 struct v4l2_ext_controls32 {
585 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
588 struct v4l2_ext_control32 {
595 compat_caddr_t string; /* actually char * */
597 } __attribute__ ((packed));
599 /* The following function really belong in v4l2-common, but that causes
600 a circular dependency between modules. We need to think about this, but
601 for now this will do. */
603 /* Return non-zero if this control is a pointer type. Currently only
604 type STRING is a pointer type. */
605 static inline int ctrl_is_pointer(u32 id)
608 case V4L2_CID_RDS_TX_PS_NAME:
609 case V4L2_CID_RDS_TX_RADIO_TEXT:
616 static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
618 struct v4l2_ext_control32 __user *ucontrols;
619 struct v4l2_ext_control __user *kcontrols;
623 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) ||
624 get_user(kp->ctrl_class, &up->ctrl_class) ||
625 get_user(kp->count, &up->count) ||
626 get_user(kp->error_idx, &up->error_idx) ||
627 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
634 if (get_user(p, &up->controls))
636 ucontrols = compat_ptr(p);
637 if (!access_ok(VERIFY_READ, ucontrols,
638 n * sizeof(struct v4l2_ext_control32)))
640 kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control));
641 kp->controls = kcontrols;
643 if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
645 if (ctrl_is_pointer(kcontrols->id)) {
648 if (get_user(p, &ucontrols->string))
651 if (put_user(s, &kcontrols->string))
660 static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
662 struct v4l2_ext_control32 __user *ucontrols;
663 struct v4l2_ext_control __user *kcontrols = kp->controls;
667 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_ext_controls32)) ||
668 put_user(kp->ctrl_class, &up->ctrl_class) ||
669 put_user(kp->count, &up->count) ||
670 put_user(kp->error_idx, &up->error_idx) ||
671 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
676 if (get_user(p, &up->controls))
678 ucontrols = compat_ptr(p);
679 if (!access_ok(VERIFY_WRITE, ucontrols,
680 n * sizeof(struct v4l2_ext_control32)))
684 unsigned size = sizeof(*ucontrols);
686 /* Do not modify the pointer when copying a pointer control.
687 The contents of the pointer was changed, not the pointer
689 if (ctrl_is_pointer(kcontrols->id))
690 size -= sizeof(ucontrols->value64);
691 if (copy_in_user(ucontrols, kcontrols, size))
699 struct v4l2_event32 {
706 struct compat_timespec timestamp;
711 static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up)
713 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_event32)) ||
714 put_user(kp->type, &up->type) ||
715 copy_to_user(&up->u, &kp->u, sizeof(kp->u)) ||
716 put_user(kp->pending, &up->pending) ||
717 put_user(kp->sequence, &up->sequence) ||
718 put_compat_timespec(&kp->timestamp, &up->timestamp) ||
719 put_user(kp->id, &up->id) ||
720 copy_to_user(up->reserved, kp->reserved, 8 * sizeof(__u32)))
725 struct v4l2_subdev_edid32 {
733 static int get_v4l2_subdev_edid32(struct v4l2_subdev_edid *kp, struct v4l2_subdev_edid32 __user *up)
737 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_subdev_edid32)) ||
738 get_user(kp->pad, &up->pad) ||
739 get_user(kp->start_block, &up->start_block) ||
740 get_user(kp->blocks, &up->blocks) ||
741 get_user(tmp, &up->edid) ||
742 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
744 kp->edid = compat_ptr(tmp);
748 static int put_v4l2_subdev_edid32(struct v4l2_subdev_edid *kp, struct v4l2_subdev_edid32 __user *up)
750 u32 tmp = (u32)((unsigned long)kp->edid);
752 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_subdev_edid32)) ||
753 put_user(kp->pad, &up->pad) ||
754 put_user(kp->start_block, &up->start_block) ||
755 put_user(kp->blocks, &up->blocks) ||
756 put_user(tmp, &up->edid) ||
757 copy_to_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
763 #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
764 #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
765 #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
766 #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
767 #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
768 #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
769 #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
770 #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
771 #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
772 #define VIDIOC_SUBDEV_G_EDID32 _IOWR('V', 63, struct v4l2_subdev_edid32)
773 #define VIDIOC_SUBDEV_S_EDID32 _IOWR('V', 64, struct v4l2_subdev_edid32)
774 #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
775 #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
776 #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
777 #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
778 #define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32)
779 #define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32)
780 #define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32)
782 #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
783 #define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
784 #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
785 #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
786 #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
787 #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
788 #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
790 static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
793 struct v4l2_format v2f;
794 struct v4l2_buffer v2b;
795 struct v4l2_framebuffer v2fb;
796 struct v4l2_input v2i;
797 struct v4l2_standard v2s;
798 struct v4l2_ext_controls v2ecs;
799 struct v4l2_event v2ev;
800 struct v4l2_create_buffers v2crt;
801 struct v4l2_subdev_edid v2edid;
805 void __user *up = compat_ptr(arg);
806 int compatible_arg = 1;
809 /* First, convert the command. */
811 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
812 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
813 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
814 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
815 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
816 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
817 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
818 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
819 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
820 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
821 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
822 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
823 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
824 case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break;
825 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
826 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
827 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
828 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
829 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
830 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
831 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
832 case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break;
833 case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break;
834 case VIDIOC_SUBDEV_G_EDID32: cmd = VIDIOC_SUBDEV_G_EDID; break;
835 case VIDIOC_SUBDEV_S_EDID32: cmd = VIDIOC_SUBDEV_S_EDID; break;
840 case VIDIOC_STREAMON:
841 case VIDIOC_STREAMOFF:
843 case VIDIOC_S_OUTPUT:
844 err = get_user(karg.vi, (s32 __user *)up);
849 case VIDIOC_G_OUTPUT:
853 case VIDIOC_SUBDEV_G_EDID:
854 case VIDIOC_SUBDEV_S_EDID:
855 err = get_v4l2_subdev_edid32(&karg.v2edid, up);
862 err = get_v4l2_format32(&karg.v2f, up);
866 case VIDIOC_CREATE_BUFS:
867 err = get_v4l2_create32(&karg.v2crt, up);
871 case VIDIOC_PREPARE_BUF:
872 case VIDIOC_QUERYBUF:
875 err = get_v4l2_buffer32(&karg.v2b, up);
880 err = get_v4l2_framebuffer32(&karg.v2fb, up);
889 err = get_v4l2_standard32(&karg.v2s, up);
893 case VIDIOC_ENUMINPUT:
894 err = get_v4l2_input32(&karg.v2i, up);
898 case VIDIOC_G_EXT_CTRLS:
899 case VIDIOC_S_EXT_CTRLS:
900 case VIDIOC_TRY_EXT_CTRLS:
901 err = get_v4l2_ext_controls32(&karg.v2ecs, up);
912 err = native_ioctl(file, cmd, (unsigned long)up);
914 mm_segment_t old_fs = get_fs();
917 err = native_ioctl(file, cmd, (unsigned long)&karg);
921 /* Special case: even after an error we need to put the
922 results back for these ioctls since the error_idx will
923 contain information on which control failed. */
925 case VIDIOC_G_EXT_CTRLS:
926 case VIDIOC_S_EXT_CTRLS:
927 case VIDIOC_TRY_EXT_CTRLS:
928 if (put_v4l2_ext_controls32(&karg.v2ecs, up))
937 case VIDIOC_S_OUTPUT:
939 case VIDIOC_G_OUTPUT:
940 err = put_user(((s32)karg.vi), (s32 __user *)up);
944 err = put_v4l2_framebuffer32(&karg.v2fb, up);
948 err = put_v4l2_event32(&karg.v2ev, up);
951 case VIDIOC_SUBDEV_G_EDID:
952 case VIDIOC_SUBDEV_S_EDID:
953 err = put_v4l2_subdev_edid32(&karg.v2edid, up);
959 err = put_v4l2_format32(&karg.v2f, up);
962 case VIDIOC_CREATE_BUFS:
963 err = put_v4l2_create32(&karg.v2crt, up);
966 case VIDIOC_QUERYBUF:
969 err = put_v4l2_buffer32(&karg.v2b, up);
973 err = put_v4l2_standard32(&karg.v2s, up);
976 case VIDIOC_ENUMINPUT:
977 err = put_v4l2_input32(&karg.v2i, up);
983 long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
985 struct video_device *vdev = video_devdata(file);
986 long ret = -ENOIOCTLCMD;
988 if (!file->f_op->unlocked_ioctl)
992 case VIDIOC_QUERYCAP:
993 case VIDIOC_RESERVED:
994 case VIDIOC_ENUM_FMT:
998 case VIDIOC_QUERYBUF32:
999 case VIDIOC_G_FBUF32:
1000 case VIDIOC_S_FBUF32:
1001 case VIDIOC_OVERLAY32:
1003 case VIDIOC_DQBUF32:
1004 case VIDIOC_STREAMON32:
1005 case VIDIOC_STREAMOFF32:
1010 case VIDIOC_ENUMSTD32:
1011 case VIDIOC_ENUMINPUT32:
1014 case VIDIOC_G_TUNER:
1015 case VIDIOC_S_TUNER:
1016 case VIDIOC_G_AUDIO:
1017 case VIDIOC_S_AUDIO:
1018 case VIDIOC_QUERYCTRL:
1019 case VIDIOC_QUERYMENU:
1020 case VIDIOC_G_INPUT32:
1021 case VIDIOC_S_INPUT32:
1022 case VIDIOC_G_OUTPUT32:
1023 case VIDIOC_S_OUTPUT32:
1024 case VIDIOC_ENUMOUTPUT:
1025 case VIDIOC_G_AUDOUT:
1026 case VIDIOC_S_AUDOUT:
1027 case VIDIOC_G_MODULATOR:
1028 case VIDIOC_S_MODULATOR:
1029 case VIDIOC_S_FREQUENCY:
1030 case VIDIOC_G_FREQUENCY:
1031 case VIDIOC_CROPCAP:
1034 case VIDIOC_G_SELECTION:
1035 case VIDIOC_S_SELECTION:
1036 case VIDIOC_G_JPEGCOMP:
1037 case VIDIOC_S_JPEGCOMP:
1038 case VIDIOC_QUERYSTD:
1039 case VIDIOC_TRY_FMT32:
1040 case VIDIOC_ENUMAUDIO:
1041 case VIDIOC_ENUMAUDOUT:
1042 case VIDIOC_G_PRIORITY:
1043 case VIDIOC_S_PRIORITY:
1044 case VIDIOC_G_SLICED_VBI_CAP:
1045 case VIDIOC_LOG_STATUS:
1046 case VIDIOC_G_EXT_CTRLS32:
1047 case VIDIOC_S_EXT_CTRLS32:
1048 case VIDIOC_TRY_EXT_CTRLS32:
1049 case VIDIOC_ENUM_FRAMESIZES:
1050 case VIDIOC_ENUM_FRAMEINTERVALS:
1051 case VIDIOC_G_ENC_INDEX:
1052 case VIDIOC_ENCODER_CMD:
1053 case VIDIOC_TRY_ENCODER_CMD:
1054 case VIDIOC_DECODER_CMD:
1055 case VIDIOC_TRY_DECODER_CMD:
1056 case VIDIOC_DBG_S_REGISTER:
1057 case VIDIOC_DBG_G_REGISTER:
1058 case VIDIOC_DBG_G_CHIP_IDENT:
1059 case VIDIOC_S_HW_FREQ_SEEK:
1060 case VIDIOC_ENUM_DV_PRESETS:
1061 case VIDIOC_S_DV_PRESET:
1062 case VIDIOC_G_DV_PRESET:
1063 case VIDIOC_QUERY_DV_PRESET:
1064 case VIDIOC_S_DV_TIMINGS:
1065 case VIDIOC_G_DV_TIMINGS:
1066 case VIDIOC_DQEVENT:
1067 case VIDIOC_DQEVENT32:
1068 case VIDIOC_SUBSCRIBE_EVENT:
1069 case VIDIOC_UNSUBSCRIBE_EVENT:
1070 case VIDIOC_CREATE_BUFS32:
1071 case VIDIOC_PREPARE_BUF32:
1072 case VIDIOC_ENUM_DV_TIMINGS:
1073 case VIDIOC_QUERY_DV_TIMINGS:
1074 case VIDIOC_DV_TIMINGS_CAP:
1075 case VIDIOC_ENUM_FREQ_BANDS:
1076 case VIDIOC_SUBDEV_G_EDID32:
1077 case VIDIOC_SUBDEV_S_EDID32:
1078 ret = do_video_ioctl(file, cmd, arg);
1082 if (vdev->fops->compat_ioctl32)
1083 ret = vdev->fops->compat_ioctl32(file, cmd, arg);
1085 if (ret == -ENOIOCTLCMD)
1086 printk(KERN_WARNING "compat_ioctl32: "
1087 "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
1088 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd),
1094 EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);