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>
20 #include <media/v4l2-dev.h>
21 #include <media/v4l2-fh.h>
22 #include <media/v4l2-ctrls.h>
26 static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
28 long ret = -ENOIOCTLCMD;
30 if (file->f_op->unlocked_ioctl)
31 ret = file->f_op->unlocked_ioctl(file, cmd, arg);
42 struct v4l2_window32 {
44 enum v4l2_field field;
46 compat_caddr_t clips; /* actually struct v4l2_clip32 * */
48 compat_caddr_t bitmap;
51 static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
53 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
54 copy_from_user(&kp->w, &up->w, sizeof(up->w)) ||
55 get_user(kp->field, &up->field) ||
56 get_user(kp->chromakey, &up->chromakey) ||
57 get_user(kp->clipcount, &up->clipcount))
59 if (kp->clipcount > 2048)
62 struct v4l2_clip32 __user *uclips;
63 struct v4l2_clip __user *kclips;
64 int n = kp->clipcount;
67 if (get_user(p, &up->clips))
69 uclips = compat_ptr(p);
70 kclips = compat_alloc_user_space(n * sizeof(*kclips));
73 if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
75 if (put_user(n ? kclips + 1 : NULL, &kclips->next))
85 static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
87 if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
88 put_user(kp->field, &up->field) ||
89 put_user(kp->chromakey, &up->chromakey) ||
90 put_user(kp->clipcount, &up->clipcount))
95 struct v4l2_format32 {
96 enum v4l2_buf_type type;
98 struct v4l2_pix_format pix;
99 struct v4l2_pix_format_mplane pix_mp;
100 struct v4l2_window32 win;
101 struct v4l2_vbi_format vbi;
102 struct v4l2_sliced_vbi_format sliced;
103 __u8 raw_data[200]; /* user-defined */
108 * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
109 * @index: on return, index of the first created buffer
110 * @count: entry: number of requested buffers,
111 * return: number of created buffers
112 * @memory: buffer memory type
113 * @format: frame format, for which buffers are requested
114 * @reserved: future extensions
116 struct v4l2_create_buffers32 {
119 enum v4l2_memory memory;
120 struct v4l2_format32 format;
124 static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
126 if (get_user(kp->type, &up->type))
130 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
131 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
132 return copy_from_user(&kp->fmt.pix, &up->fmt.pix,
133 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
134 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
135 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
136 return copy_from_user(&kp->fmt.pix_mp, &up->fmt.pix_mp,
137 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
138 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
139 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
140 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
141 case V4L2_BUF_TYPE_VBI_CAPTURE:
142 case V4L2_BUF_TYPE_VBI_OUTPUT:
143 return copy_from_user(&kp->fmt.vbi, &up->fmt.vbi,
144 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
145 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
146 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
147 return copy_from_user(&kp->fmt.sliced, &up->fmt.sliced,
148 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
149 case V4L2_BUF_TYPE_PRIVATE:
150 if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data)))
154 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
160 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
162 if (!access_ok(VERIFY_READ, up, sizeof(*up)))
164 return __get_v4l2_format32(kp, up);
167 static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
169 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
170 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
172 return __get_v4l2_format32(&kp->format, &up->format);
175 static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
177 if (put_user(kp->type, &up->type))
181 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
182 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
183 return copy_to_user(&up->fmt.pix, &kp->fmt.pix,
184 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
185 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
186 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
187 return copy_to_user(&up->fmt.pix_mp, &kp->fmt.pix_mp,
188 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
189 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
190 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
191 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
192 case V4L2_BUF_TYPE_VBI_CAPTURE:
193 case V4L2_BUF_TYPE_VBI_OUTPUT:
194 return copy_to_user(&up->fmt.vbi, &kp->fmt.vbi,
195 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
196 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
197 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
198 return copy_to_user(&up->fmt.sliced, &kp->fmt.sliced,
199 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
200 case V4L2_BUF_TYPE_PRIVATE:
201 if (copy_to_user(up, kp, sizeof(up->fmt.raw_data)))
205 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
211 static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
213 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
215 return __put_v4l2_format32(kp, up);
218 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
220 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
221 copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
222 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
224 return __put_v4l2_format32(&kp->format, &up->format);
227 struct v4l2_standard32 {
231 struct v4l2_fract frameperiod; /* Frames, not fields */
236 static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
238 /* other fields are not set by the user, nor used by the driver */
239 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
240 get_user(kp->index, &up->index))
245 static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
247 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
248 put_user(kp->index, &up->index) ||
249 put_user(kp->id, &up->id) ||
250 copy_to_user(up->name, kp->name, sizeof(up->name)) ||
251 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
252 put_user(kp->framelines, &up->framelines) ||
253 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
258 struct v4l2_plane32 {
263 compat_long_t userptr;
269 struct v4l2_buffer32 {
271 enum v4l2_buf_type type;
274 enum v4l2_field field;
275 struct compat_timeval timestamp;
276 struct v4l2_timecode timecode;
279 /* memory location */
280 enum v4l2_memory memory;
283 compat_long_t userptr;
284 compat_caddr_t planes;
291 static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
292 enum v4l2_memory memory)
297 if (copy_in_user(up, up32, 2 * sizeof(__u32)) ||
298 copy_in_user(&up->data_offset, &up32->data_offset,
299 sizeof(up->data_offset)))
303 case V4L2_MEMORY_MMAP:
304 case V4L2_MEMORY_OVERLAY:
305 if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
306 sizeof(up32->m.mem_offset)))
309 case V4L2_MEMORY_USERPTR:
310 if (get_user(p, &up32->m.userptr))
312 up_pln = compat_ptr(p);
313 if (put_user((unsigned long)up_pln, &up->m.userptr))
321 static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
322 enum v4l2_memory memory)
326 if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
327 copy_in_user(&up32->data_offset, &up->data_offset,
328 sizeof(up->data_offset)))
332 case V4L2_MEMORY_MMAP:
333 case V4L2_MEMORY_OVERLAY:
334 if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
335 sizeof(up->m.mem_offset)))
338 case V4L2_MEMORY_USERPTR:
339 if (get_user(p, &up->m.userptr) ||
340 put_user((compat_ulong_t)ptr_to_compat((__force void *)p),
349 static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
351 struct v4l2_plane32 __user *uplane32;
352 struct v4l2_plane __user *uplane;
357 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
358 get_user(kp->index, &up->index) ||
359 get_user(kp->type, &up->type) ||
360 get_user(kp->flags, &up->flags) ||
361 get_user(kp->memory, &up->memory) ||
362 get_user(kp->input, &up->input))
365 if (V4L2_TYPE_IS_OUTPUT(kp->type))
366 if (get_user(kp->bytesused, &up->bytesused) ||
367 get_user(kp->field, &up->field) ||
368 get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
369 get_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec))
372 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
373 if (get_user(kp->length, &up->length))
376 num_planes = kp->length;
377 if (num_planes == 0) {
379 /* num_planes == 0 is legal, e.g. when userspace doesn't
380 * need planes array on DQBUF*/
384 if (get_user(p, &up->m.planes))
387 uplane32 = compat_ptr(p);
388 if (!access_ok(VERIFY_READ, uplane32,
389 num_planes * sizeof(*uplane32)))
392 /* We don't really care if userspace decides to kill itself
393 * by passing a very big num_planes value */
394 uplane = compat_alloc_user_space(num_planes *
396 kp->m.planes = (__force struct v4l2_plane *)uplane;
398 while (--num_planes >= 0) {
399 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
406 switch (kp->memory) {
407 case V4L2_MEMORY_MMAP:
408 if (get_user(kp->length, &up->length) ||
409 get_user(kp->m.offset, &up->m.offset))
412 case V4L2_MEMORY_USERPTR:
416 if (get_user(kp->length, &up->length) ||
417 get_user(tmp, &up->m.userptr))
420 kp->m.userptr = (unsigned long)compat_ptr(tmp);
423 case V4L2_MEMORY_OVERLAY:
424 if (get_user(kp->m.offset, &up->m.offset))
433 static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
435 struct v4l2_plane32 __user *uplane32;
436 struct v4l2_plane __user *uplane;
441 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
442 put_user(kp->index, &up->index) ||
443 put_user(kp->type, &up->type) ||
444 put_user(kp->flags, &up->flags) ||
445 put_user(kp->memory, &up->memory) ||
446 put_user(kp->input, &up->input))
449 if (put_user(kp->bytesused, &up->bytesused) ||
450 put_user(kp->field, &up->field) ||
451 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
452 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
453 copy_to_user(&up->timecode, &kp->timecode, sizeof(kp->timecode)) ||
454 put_user(kp->sequence, &up->sequence) ||
455 put_user(kp->reserved, &up->reserved))
458 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
459 num_planes = kp->length;
463 uplane = (__force struct v4l2_plane __user *)kp->m.planes;
464 if (get_user(p, &up->m.planes))
466 uplane32 = compat_ptr(p);
468 while (--num_planes >= 0) {
469 ret = put_v4l2_plane32(uplane, uplane32, kp->memory);
476 switch (kp->memory) {
477 case V4L2_MEMORY_MMAP:
478 if (put_user(kp->length, &up->length) ||
479 put_user(kp->m.offset, &up->m.offset))
482 case V4L2_MEMORY_USERPTR:
483 if (put_user(kp->length, &up->length) ||
484 put_user(kp->m.userptr, &up->m.userptr))
487 case V4L2_MEMORY_OVERLAY:
488 if (put_user(kp->m.offset, &up->m.offset))
497 struct v4l2_framebuffer32 {
501 struct v4l2_pix_format fmt;
504 static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
508 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
509 get_user(tmp, &up->base) ||
510 get_user(kp->capability, &up->capability) ||
511 get_user(kp->flags, &up->flags) ||
512 copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
514 kp->base = (__force void *)compat_ptr(tmp);
518 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
520 u32 tmp = (u32)((unsigned long)kp->base);
522 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
523 put_user(tmp, &up->base) ||
524 put_user(kp->capability, &up->capability) ||
525 put_user(kp->flags, &up->flags) ||
526 copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt)))
531 struct v4l2_input32 {
532 __u32 index; /* Which input */
533 __u8 name[32]; /* Label */
534 __u32 type; /* Type of input */
535 __u32 audioset; /* Associated audios (bitfield) */
536 __u32 tuner; /* Associated tuner */
543 /* The 64-bit v4l2_input struct has extra padding at the end of the struct.
544 Otherwise it is identical to the 32-bit version. */
545 static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
547 if (copy_from_user(kp, up, sizeof(*up)))
552 static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
554 if (copy_to_user(up, kp, sizeof(*up)))
559 struct v4l2_ext_controls32 {
564 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
567 struct v4l2_ext_control32 {
574 compat_caddr_t string; /* actually char * */
576 } __attribute__ ((packed));
578 /* Return true if this control is a pointer type. */
579 static inline bool ctrl_is_pointer(struct file *file, u32 id)
581 struct video_device *vdev = video_devdata(file);
582 struct v4l2_fh *fh = NULL;
583 struct v4l2_ctrl_handler *hdl = NULL;
585 if (test_bit(V4L2_FL_USES_V4L2_FH, &vdev->flags))
586 fh = file->private_data;
588 if (fh && fh->ctrl_handler)
589 hdl = fh->ctrl_handler;
590 else if (vdev->ctrl_handler)
591 hdl = vdev->ctrl_handler;
594 struct v4l2_ctrl *ctrl = v4l2_ctrl_find(hdl, id);
596 return ctrl && ctrl->type == V4L2_CTRL_TYPE_STRING;
601 static int get_v4l2_ext_controls32(struct file *file,
602 struct v4l2_ext_controls *kp,
603 struct v4l2_ext_controls32 __user *up)
605 struct v4l2_ext_control32 __user *ucontrols;
606 struct v4l2_ext_control __user *kcontrols;
610 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
611 get_user(kp->ctrl_class, &up->ctrl_class) ||
612 get_user(kp->count, &up->count) ||
613 get_user(kp->error_idx, &up->error_idx) ||
614 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
621 if (get_user(p, &up->controls))
623 ucontrols = compat_ptr(p);
624 if (!access_ok(VERIFY_READ, ucontrols, n * sizeof(*ucontrols)))
626 kcontrols = compat_alloc_user_space(n * sizeof(*kcontrols));
627 kp->controls = (__force struct v4l2_ext_control *)kcontrols;
631 if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
633 if (get_user(id, &kcontrols->id))
635 if (ctrl_is_pointer(file, id)) {
638 if (get_user(p, &ucontrols->string))
641 if (put_user(s, &kcontrols->string))
650 static int put_v4l2_ext_controls32(struct file *file,
651 struct v4l2_ext_controls *kp,
652 struct v4l2_ext_controls32 __user *up)
654 struct v4l2_ext_control32 __user *ucontrols;
655 struct v4l2_ext_control __user *kcontrols =
656 (__force struct v4l2_ext_control __user *)kp->controls;
660 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
661 put_user(kp->ctrl_class, &up->ctrl_class) ||
662 put_user(kp->count, &up->count) ||
663 put_user(kp->error_idx, &up->error_idx) ||
664 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
669 if (get_user(p, &up->controls))
671 ucontrols = compat_ptr(p);
672 if (!access_ok(VERIFY_WRITE, ucontrols, n * sizeof(*ucontrols)))
676 unsigned size = sizeof(*ucontrols);
679 if (get_user(id, &kcontrols->id))
681 /* Do not modify the pointer when copying a pointer control.
682 The contents of the pointer was changed, not the pointer
684 if (ctrl_is_pointer(file, id))
685 size -= sizeof(ucontrols->value64);
686 if (copy_in_user(ucontrols, kcontrols, size))
694 struct v4l2_event32 {
702 struct compat_timespec timestamp;
707 static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up)
709 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
710 put_user(kp->type, &up->type) ||
711 copy_to_user(&up->u, &kp->u, sizeof(kp->u)) ||
712 put_user(kp->pending, &up->pending) ||
713 put_user(kp->sequence, &up->sequence) ||
714 put_compat_timespec(&kp->timestamp, &up->timestamp) ||
715 put_user(kp->id, &up->id) ||
716 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
721 #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
722 #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
723 #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
724 #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
725 #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
726 #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
727 #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
728 #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
729 #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
730 #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
731 #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
732 #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
733 #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
734 #define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32)
735 #define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32)
736 #define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32)
738 #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
739 #define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
740 #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
741 #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
742 #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
743 #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
744 #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
746 static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
749 struct v4l2_format v2f;
750 struct v4l2_buffer v2b;
751 struct v4l2_framebuffer v2fb;
752 struct v4l2_input v2i;
753 struct v4l2_standard v2s;
754 struct v4l2_ext_controls v2ecs;
755 struct v4l2_event v2ev;
756 struct v4l2_create_buffers v2crt;
760 void __user *up = compat_ptr(arg);
761 int compatible_arg = 1;
764 /* First, convert the command. */
766 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
767 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
768 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
769 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
770 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
771 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
772 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
773 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
774 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
775 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
776 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
777 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
778 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
779 case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break;
780 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
781 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
782 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
783 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
784 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
785 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
786 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
787 case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break;
788 case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break;
793 case VIDIOC_STREAMON:
794 case VIDIOC_STREAMOFF:
796 case VIDIOC_S_OUTPUT:
797 err = get_user(karg.vi, (s32 __user *)up);
802 case VIDIOC_G_OUTPUT:
809 err = get_v4l2_format32(&karg.v2f, up);
813 case VIDIOC_CREATE_BUFS:
814 err = get_v4l2_create32(&karg.v2crt, up);
818 case VIDIOC_PREPARE_BUF:
819 case VIDIOC_QUERYBUF:
822 err = get_v4l2_buffer32(&karg.v2b, up);
827 err = get_v4l2_framebuffer32(&karg.v2fb, up);
836 err = get_v4l2_standard32(&karg.v2s, up);
840 case VIDIOC_ENUMINPUT:
841 err = get_v4l2_input32(&karg.v2i, up);
845 case VIDIOC_G_EXT_CTRLS:
846 case VIDIOC_S_EXT_CTRLS:
847 case VIDIOC_TRY_EXT_CTRLS:
848 err = get_v4l2_ext_controls32(file, &karg.v2ecs, up);
859 err = native_ioctl(file, cmd, (unsigned long)up);
861 mm_segment_t old_fs = get_fs();
864 err = native_ioctl(file, cmd, (unsigned long)&karg);
868 /* Special case: even after an error we need to put the
869 results back for these ioctls since the error_idx will
870 contain information on which control failed. */
872 case VIDIOC_G_EXT_CTRLS:
873 case VIDIOC_S_EXT_CTRLS:
874 case VIDIOC_TRY_EXT_CTRLS:
875 if (put_v4l2_ext_controls32(file, &karg.v2ecs, up))
884 case VIDIOC_S_OUTPUT:
886 case VIDIOC_G_OUTPUT:
887 err = put_user(((s32)karg.vi), (s32 __user *)up);
891 err = put_v4l2_framebuffer32(&karg.v2fb, up);
895 err = put_v4l2_event32(&karg.v2ev, up);
901 err = put_v4l2_format32(&karg.v2f, up);
904 case VIDIOC_CREATE_BUFS:
905 err = put_v4l2_create32(&karg.v2crt, up);
908 case VIDIOC_PREPARE_BUF:
909 case VIDIOC_QUERYBUF:
912 err = put_v4l2_buffer32(&karg.v2b, up);
916 err = put_v4l2_standard32(&karg.v2s, up);
919 case VIDIOC_ENUMINPUT:
920 err = put_v4l2_input32(&karg.v2i, up);
926 long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
928 long ret = -ENOIOCTLCMD;
930 if (!file->f_op->unlocked_ioctl)
934 case VIDIOC_QUERYCAP:
935 case VIDIOC_RESERVED:
936 case VIDIOC_ENUM_FMT:
940 case VIDIOC_QUERYBUF32:
941 case VIDIOC_G_FBUF32:
942 case VIDIOC_S_FBUF32:
943 case VIDIOC_OVERLAY32:
946 case VIDIOC_STREAMON32:
947 case VIDIOC_STREAMOFF32:
952 case VIDIOC_ENUMSTD32:
953 case VIDIOC_ENUMINPUT32:
960 case VIDIOC_QUERYCTRL:
961 case VIDIOC_QUERYMENU:
962 case VIDIOC_G_INPUT32:
963 case VIDIOC_S_INPUT32:
964 case VIDIOC_G_OUTPUT32:
965 case VIDIOC_S_OUTPUT32:
966 case VIDIOC_ENUMOUTPUT:
967 case VIDIOC_G_AUDOUT:
968 case VIDIOC_S_AUDOUT:
969 case VIDIOC_G_MODULATOR:
970 case VIDIOC_S_MODULATOR:
971 case VIDIOC_S_FREQUENCY:
972 case VIDIOC_G_FREQUENCY:
976 case VIDIOC_G_JPEGCOMP:
977 case VIDIOC_S_JPEGCOMP:
978 case VIDIOC_QUERYSTD:
979 case VIDIOC_TRY_FMT32:
980 case VIDIOC_ENUMAUDIO:
981 case VIDIOC_ENUMAUDOUT:
982 case VIDIOC_G_PRIORITY:
983 case VIDIOC_S_PRIORITY:
984 case VIDIOC_G_SLICED_VBI_CAP:
985 case VIDIOC_LOG_STATUS:
986 case VIDIOC_G_EXT_CTRLS32:
987 case VIDIOC_S_EXT_CTRLS32:
988 case VIDIOC_TRY_EXT_CTRLS32:
989 case VIDIOC_ENUM_FRAMESIZES:
990 case VIDIOC_ENUM_FRAMEINTERVALS:
991 case VIDIOC_G_ENC_INDEX:
992 case VIDIOC_ENCODER_CMD:
993 case VIDIOC_TRY_ENCODER_CMD:
994 case VIDIOC_DBG_S_REGISTER:
995 case VIDIOC_DBG_G_REGISTER:
996 case VIDIOC_DBG_G_CHIP_IDENT:
997 case VIDIOC_S_HW_FREQ_SEEK:
998 case VIDIOC_ENUM_DV_PRESETS:
999 case VIDIOC_S_DV_PRESET:
1000 case VIDIOC_G_DV_PRESET:
1001 case VIDIOC_QUERY_DV_PRESET:
1002 case VIDIOC_S_DV_TIMINGS:
1003 case VIDIOC_G_DV_TIMINGS:
1004 case VIDIOC_DQEVENT:
1005 case VIDIOC_DQEVENT32:
1006 case VIDIOC_SUBSCRIBE_EVENT:
1007 case VIDIOC_UNSUBSCRIBE_EVENT:
1008 case VIDIOC_CREATE_BUFS32:
1009 case VIDIOC_PREPARE_BUF32:
1010 ret = do_video_ioctl(file, cmd, arg);
1014 printk(KERN_WARNING "compat_ioctl32: "
1015 "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
1016 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd);
1021 EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);
1024 MODULE_LICENSE("GPL");