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/videodev2.h>
18 #include <linux/module.h>
19 #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 enum v4l2_field 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(*up)) ||
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(*kclips));
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 struct v4l2_format32 {
93 enum v4l2_buf_type type;
95 struct v4l2_pix_format pix;
96 struct v4l2_pix_format_mplane pix_mp;
97 struct v4l2_window32 win;
98 struct v4l2_vbi_format vbi;
99 struct v4l2_sliced_vbi_format sliced;
100 __u8 raw_data[200]; /* user-defined */
105 * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
106 * @index: on return, index of the first created buffer
107 * @count: entry: number of requested buffers,
108 * return: number of created buffers
109 * @memory: buffer memory type
110 * @format: frame format, for which buffers are requested
111 * @reserved: future extensions
113 struct v4l2_create_buffers32 {
116 enum v4l2_memory memory;
117 struct v4l2_format32 format;
121 static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
123 if (get_user(kp->type, &up->type))
127 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
128 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
129 return copy_from_user(&kp->fmt.pix, &up->fmt.pix,
130 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
131 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
132 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
133 return copy_from_user(&kp->fmt.pix_mp, &up->fmt.pix_mp,
134 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
135 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
136 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
137 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
138 case V4L2_BUF_TYPE_VBI_CAPTURE:
139 case V4L2_BUF_TYPE_VBI_OUTPUT:
140 return copy_from_user(&kp->fmt.vbi, &up->fmt.vbi,
141 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
142 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
143 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
144 return copy_from_user(&kp->fmt.sliced, &up->fmt.sliced,
145 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
146 case V4L2_BUF_TYPE_PRIVATE:
147 if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data)))
151 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
157 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
159 if (!access_ok(VERIFY_READ, up, sizeof(*up)))
161 return __get_v4l2_format32(kp, up);
164 static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
166 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
167 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
169 return __get_v4l2_format32(&kp->format, &up->format);
172 static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
174 if (put_user(kp->type, &up->type))
178 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
179 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
180 return copy_to_user(&up->fmt.pix, &kp->fmt.pix,
181 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
182 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
183 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
184 return copy_to_user(&up->fmt.pix_mp, &kp->fmt.pix_mp,
185 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
186 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
187 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
188 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
189 case V4L2_BUF_TYPE_VBI_CAPTURE:
190 case V4L2_BUF_TYPE_VBI_OUTPUT:
191 return copy_to_user(&up->fmt.vbi, &kp->fmt.vbi,
192 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
193 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
194 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
195 return copy_to_user(&up->fmt.sliced, &kp->fmt.sliced,
196 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
197 case V4L2_BUF_TYPE_PRIVATE:
198 if (copy_to_user(up, kp, sizeof(up->fmt.raw_data)))
202 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
208 static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
210 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
212 return __put_v4l2_format32(kp, up);
215 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
217 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
218 copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
219 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
221 return __put_v4l2_format32(&kp->format, &up->format);
224 struct v4l2_standard32 {
228 struct v4l2_fract frameperiod; /* Frames, not fields */
233 static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
235 /* other fields are not set by the user, nor used by the driver */
236 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
237 get_user(kp->index, &up->index))
242 static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
244 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
245 put_user(kp->index, &up->index) ||
246 put_user(kp->id, &up->id) ||
247 copy_to_user(up->name, kp->name, sizeof(up->name)) ||
248 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
249 put_user(kp->framelines, &up->framelines) ||
250 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
255 struct v4l2_plane32 {
260 compat_long_t userptr;
266 struct v4l2_buffer32 {
268 enum v4l2_buf_type type;
271 enum v4l2_field field;
272 struct compat_timeval timestamp;
273 struct v4l2_timecode timecode;
276 /* memory location */
277 enum v4l2_memory memory;
280 compat_long_t userptr;
281 compat_caddr_t planes;
288 static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
289 enum v4l2_memory memory)
294 if (copy_in_user(up, up32, 2 * sizeof(__u32)) ||
295 copy_in_user(&up->data_offset, &up32->data_offset,
296 sizeof(up->data_offset)))
299 if (memory == V4L2_MEMORY_USERPTR) {
300 if (get_user(p, &up32->m.userptr))
302 up_pln = compat_ptr(p);
303 if (put_user((unsigned long)up_pln, &up->m.userptr))
306 if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
307 sizeof(up32->m.mem_offset)))
314 static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
315 enum v4l2_memory memory)
317 if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
318 copy_in_user(&up32->data_offset, &up->data_offset,
319 sizeof(up->data_offset)))
322 /* For MMAP, driver might've set up the offset, so copy it back.
323 * USERPTR stays the same (was userspace-provided), so no copying. */
324 if (memory == V4L2_MEMORY_MMAP)
325 if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
326 sizeof(up->m.mem_offset)))
332 static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
334 struct v4l2_plane32 __user *uplane32;
335 struct v4l2_plane __user *uplane;
340 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
341 get_user(kp->index, &up->index) ||
342 get_user(kp->type, &up->type) ||
343 get_user(kp->flags, &up->flags) ||
344 get_user(kp->memory, &up->memory) ||
345 get_user(kp->input, &up->input))
348 if (V4L2_TYPE_IS_OUTPUT(kp->type))
349 if (get_user(kp->bytesused, &up->bytesused) ||
350 get_user(kp->field, &up->field) ||
351 get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
352 get_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec))
355 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
356 if (get_user(kp->length, &up->length))
359 num_planes = kp->length;
360 if (num_planes == 0) {
362 /* num_planes == 0 is legal, e.g. when userspace doesn't
363 * need planes array on DQBUF*/
367 if (get_user(p, &up->m.planes))
370 uplane32 = compat_ptr(p);
371 if (!access_ok(VERIFY_READ, uplane32,
372 num_planes * sizeof(*uplane32)))
375 /* We don't really care if userspace decides to kill itself
376 * by passing a very big num_planes value */
377 uplane = compat_alloc_user_space(num_planes *
379 kp->m.planes = (__force struct v4l2_plane *)uplane;
381 while (--num_planes >= 0) {
382 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
389 switch (kp->memory) {
390 case V4L2_MEMORY_MMAP:
391 if (get_user(kp->length, &up->length) ||
392 get_user(kp->m.offset, &up->m.offset))
395 case V4L2_MEMORY_USERPTR:
399 if (get_user(kp->length, &up->length) ||
400 get_user(tmp, &up->m.userptr))
403 kp->m.userptr = (unsigned long)compat_ptr(tmp);
406 case V4L2_MEMORY_OVERLAY:
407 if (get_user(kp->m.offset, &up->m.offset))
416 static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
418 struct v4l2_plane32 __user *uplane32;
419 struct v4l2_plane __user *uplane;
424 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
425 put_user(kp->index, &up->index) ||
426 put_user(kp->type, &up->type) ||
427 put_user(kp->flags, &up->flags) ||
428 put_user(kp->memory, &up->memory) ||
429 put_user(kp->input, &up->input))
432 if (put_user(kp->bytesused, &up->bytesused) ||
433 put_user(kp->field, &up->field) ||
434 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
435 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
436 copy_to_user(&up->timecode, &kp->timecode, sizeof(kp->timecode)) ||
437 put_user(kp->sequence, &up->sequence) ||
438 put_user(kp->reserved, &up->reserved))
441 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
442 num_planes = kp->length;
446 uplane = (__force struct v4l2_plane __user *)kp->m.planes;
447 if (get_user(p, &up->m.planes))
449 uplane32 = compat_ptr(p);
451 while (--num_planes >= 0) {
452 ret = put_v4l2_plane32(uplane, uplane32, kp->memory);
459 switch (kp->memory) {
460 case V4L2_MEMORY_MMAP:
461 if (put_user(kp->length, &up->length) ||
462 put_user(kp->m.offset, &up->m.offset))
465 case V4L2_MEMORY_USERPTR:
466 if (put_user(kp->length, &up->length) ||
467 put_user(kp->m.userptr, &up->m.userptr))
470 case V4L2_MEMORY_OVERLAY:
471 if (put_user(kp->m.offset, &up->m.offset))
480 struct v4l2_framebuffer32 {
484 struct v4l2_pix_format fmt;
487 static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
491 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
492 get_user(tmp, &up->base) ||
493 get_user(kp->capability, &up->capability) ||
494 get_user(kp->flags, &up->flags) ||
495 copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
497 kp->base = (__force void *)compat_ptr(tmp);
501 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
503 u32 tmp = (u32)((unsigned long)kp->base);
505 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
506 put_user(tmp, &up->base) ||
507 put_user(kp->capability, &up->capability) ||
508 put_user(kp->flags, &up->flags) ||
509 copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt)))
514 struct v4l2_input32 {
515 __u32 index; /* Which input */
516 __u8 name[32]; /* Label */
517 __u32 type; /* Type of input */
518 __u32 audioset; /* Associated audios (bitfield) */
519 __u32 tuner; /* Associated tuner */
526 /* The 64-bit v4l2_input struct has extra padding at the end of the struct.
527 Otherwise it is identical to the 32-bit version. */
528 static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
530 if (copy_from_user(kp, up, sizeof(*up)))
535 static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
537 if (copy_to_user(up, kp, sizeof(*up)))
542 struct v4l2_ext_controls32 {
547 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
550 struct v4l2_ext_control32 {
557 compat_caddr_t string; /* actually char * */
559 } __attribute__ ((packed));
561 /* The following function really belong in v4l2-common, but that causes
562 a circular dependency between modules. We need to think about this, but
563 for now this will do. */
565 /* Return non-zero if this control is a pointer type. Currently only
566 type STRING is a pointer type. */
567 static inline int ctrl_is_pointer(u32 id)
570 case V4L2_CID_RDS_TX_PS_NAME:
571 case V4L2_CID_RDS_TX_RADIO_TEXT:
578 static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
580 struct v4l2_ext_control32 __user *ucontrols;
581 struct v4l2_ext_control __user *kcontrols;
585 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
586 get_user(kp->ctrl_class, &up->ctrl_class) ||
587 get_user(kp->count, &up->count) ||
588 get_user(kp->error_idx, &up->error_idx) ||
589 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
596 if (get_user(p, &up->controls))
598 ucontrols = compat_ptr(p);
599 if (!access_ok(VERIFY_READ, ucontrols, n * sizeof(*ucontrols)))
601 kcontrols = compat_alloc_user_space(n * sizeof(*kcontrols));
602 kp->controls = (__force struct v4l2_ext_control *)kcontrols;
606 if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
608 if (get_user(id, &kcontrols->id))
610 if (ctrl_is_pointer(id)) {
613 if (get_user(p, &ucontrols->string))
616 if (put_user(s, &kcontrols->string))
625 static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
627 struct v4l2_ext_control32 __user *ucontrols;
628 struct v4l2_ext_control __user *kcontrols =
629 (__force struct v4l2_ext_control __user *)kp->controls;
633 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
634 put_user(kp->ctrl_class, &up->ctrl_class) ||
635 put_user(kp->count, &up->count) ||
636 put_user(kp->error_idx, &up->error_idx) ||
637 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
642 if (get_user(p, &up->controls))
644 ucontrols = compat_ptr(p);
645 if (!access_ok(VERIFY_WRITE, ucontrols, n * sizeof(*ucontrols)))
649 unsigned size = sizeof(*ucontrols);
652 if (get_user(id, &kcontrols->id))
654 /* Do not modify the pointer when copying a pointer control.
655 The contents of the pointer was changed, not the pointer
657 if (ctrl_is_pointer(id))
658 size -= sizeof(ucontrols->value64);
659 if (copy_in_user(ucontrols, kcontrols, size))
667 struct v4l2_event32 {
675 struct compat_timespec timestamp;
680 static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up)
682 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
683 put_user(kp->type, &up->type) ||
684 copy_to_user(&up->u, &kp->u, sizeof(kp->u)) ||
685 put_user(kp->pending, &up->pending) ||
686 put_user(kp->sequence, &up->sequence) ||
687 put_compat_timespec(&kp->timestamp, &up->timestamp) ||
688 put_user(kp->id, &up->id) ||
689 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
694 #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
695 #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
696 #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
697 #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
698 #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
699 #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
700 #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
701 #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
702 #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
703 #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
704 #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
705 #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
706 #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
707 #define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32)
708 #define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32)
709 #define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32)
711 #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
712 #define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
713 #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
714 #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
715 #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
716 #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
717 #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
719 static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
722 struct v4l2_format v2f;
723 struct v4l2_buffer v2b;
724 struct v4l2_framebuffer v2fb;
725 struct v4l2_input v2i;
726 struct v4l2_standard v2s;
727 struct v4l2_ext_controls v2ecs;
728 struct v4l2_event v2ev;
729 struct v4l2_create_buffers v2crt;
733 void __user *up = compat_ptr(arg);
734 int compatible_arg = 1;
737 /* First, convert the command. */
739 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
740 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
741 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
742 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
743 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
744 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
745 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
746 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
747 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
748 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
749 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
750 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
751 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
752 case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break;
753 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
754 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
755 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
756 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
757 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
758 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
759 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
760 case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break;
761 case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break;
766 case VIDIOC_STREAMON:
767 case VIDIOC_STREAMOFF:
769 case VIDIOC_S_OUTPUT:
770 err = get_user(karg.vi, (s32 __user *)up);
775 case VIDIOC_G_OUTPUT:
782 err = get_v4l2_format32(&karg.v2f, up);
786 case VIDIOC_CREATE_BUFS:
787 err = get_v4l2_create32(&karg.v2crt, up);
791 case VIDIOC_PREPARE_BUF:
792 case VIDIOC_QUERYBUF:
795 err = get_v4l2_buffer32(&karg.v2b, up);
800 err = get_v4l2_framebuffer32(&karg.v2fb, up);
809 err = get_v4l2_standard32(&karg.v2s, up);
813 case VIDIOC_ENUMINPUT:
814 err = get_v4l2_input32(&karg.v2i, up);
818 case VIDIOC_G_EXT_CTRLS:
819 case VIDIOC_S_EXT_CTRLS:
820 case VIDIOC_TRY_EXT_CTRLS:
821 err = get_v4l2_ext_controls32(&karg.v2ecs, up);
832 err = native_ioctl(file, cmd, (unsigned long)up);
834 mm_segment_t old_fs = get_fs();
837 err = native_ioctl(file, cmd, (unsigned long)&karg);
841 /* Special case: even after an error we need to put the
842 results back for these ioctls since the error_idx will
843 contain information on which control failed. */
845 case VIDIOC_G_EXT_CTRLS:
846 case VIDIOC_S_EXT_CTRLS:
847 case VIDIOC_TRY_EXT_CTRLS:
848 if (put_v4l2_ext_controls32(&karg.v2ecs, up))
857 case VIDIOC_S_OUTPUT:
859 case VIDIOC_G_OUTPUT:
860 err = put_user(((s32)karg.vi), (s32 __user *)up);
864 err = put_v4l2_framebuffer32(&karg.v2fb, up);
868 err = put_v4l2_event32(&karg.v2ev, up);
874 err = put_v4l2_format32(&karg.v2f, up);
877 case VIDIOC_CREATE_BUFS:
878 err = put_v4l2_create32(&karg.v2crt, up);
881 case VIDIOC_PREPARE_BUF:
882 case VIDIOC_QUERYBUF:
885 err = put_v4l2_buffer32(&karg.v2b, up);
889 err = put_v4l2_standard32(&karg.v2s, up);
892 case VIDIOC_ENUMINPUT:
893 err = put_v4l2_input32(&karg.v2i, up);
899 long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
901 long ret = -ENOIOCTLCMD;
903 if (!file->f_op->unlocked_ioctl)
907 case VIDIOC_QUERYCAP:
908 case VIDIOC_RESERVED:
909 case VIDIOC_ENUM_FMT:
913 case VIDIOC_QUERYBUF32:
914 case VIDIOC_G_FBUF32:
915 case VIDIOC_S_FBUF32:
916 case VIDIOC_OVERLAY32:
919 case VIDIOC_STREAMON32:
920 case VIDIOC_STREAMOFF32:
925 case VIDIOC_ENUMSTD32:
926 case VIDIOC_ENUMINPUT32:
933 case VIDIOC_QUERYCTRL:
934 case VIDIOC_QUERYMENU:
935 case VIDIOC_G_INPUT32:
936 case VIDIOC_S_INPUT32:
937 case VIDIOC_G_OUTPUT32:
938 case VIDIOC_S_OUTPUT32:
939 case VIDIOC_ENUMOUTPUT:
940 case VIDIOC_G_AUDOUT:
941 case VIDIOC_S_AUDOUT:
942 case VIDIOC_G_MODULATOR:
943 case VIDIOC_S_MODULATOR:
944 case VIDIOC_S_FREQUENCY:
945 case VIDIOC_G_FREQUENCY:
949 case VIDIOC_G_JPEGCOMP:
950 case VIDIOC_S_JPEGCOMP:
951 case VIDIOC_QUERYSTD:
952 case VIDIOC_TRY_FMT32:
953 case VIDIOC_ENUMAUDIO:
954 case VIDIOC_ENUMAUDOUT:
955 case VIDIOC_G_PRIORITY:
956 case VIDIOC_S_PRIORITY:
957 case VIDIOC_G_SLICED_VBI_CAP:
958 case VIDIOC_LOG_STATUS:
959 case VIDIOC_G_EXT_CTRLS32:
960 case VIDIOC_S_EXT_CTRLS32:
961 case VIDIOC_TRY_EXT_CTRLS32:
962 case VIDIOC_ENUM_FRAMESIZES:
963 case VIDIOC_ENUM_FRAMEINTERVALS:
964 case VIDIOC_G_ENC_INDEX:
965 case VIDIOC_ENCODER_CMD:
966 case VIDIOC_TRY_ENCODER_CMD:
967 case VIDIOC_DBG_S_REGISTER:
968 case VIDIOC_DBG_G_REGISTER:
969 case VIDIOC_DBG_G_CHIP_IDENT:
970 case VIDIOC_S_HW_FREQ_SEEK:
971 case VIDIOC_ENUM_DV_PRESETS:
972 case VIDIOC_S_DV_PRESET:
973 case VIDIOC_G_DV_PRESET:
974 case VIDIOC_QUERY_DV_PRESET:
975 case VIDIOC_S_DV_TIMINGS:
976 case VIDIOC_G_DV_TIMINGS:
978 case VIDIOC_DQEVENT32:
979 case VIDIOC_SUBSCRIBE_EVENT:
980 case VIDIOC_UNSUBSCRIBE_EVENT:
981 case VIDIOC_CREATE_BUFS32:
982 case VIDIOC_PREPARE_BUF32:
983 ret = do_video_ioctl(file, cmd, arg);
987 printk(KERN_WARNING "compat_ioctl32: "
988 "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
989 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd);
994 EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);
997 MODULE_LICENSE("GPL");