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;
52 static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
54 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
55 copy_from_user(&kp->w, &up->w, sizeof(up->w)) ||
56 get_user(kp->field, &up->field) ||
57 get_user(kp->chromakey, &up->chromakey) ||
58 get_user(kp->clipcount, &up->clipcount) ||
59 get_user(kp->global_alpha, &up->global_alpha))
61 if (kp->clipcount > 2048)
64 struct v4l2_clip32 __user *uclips;
65 struct v4l2_clip __user *kclips;
66 int n = kp->clipcount;
69 if (get_user(p, &up->clips))
71 uclips = compat_ptr(p);
72 kclips = compat_alloc_user_space(n * sizeof(*kclips));
75 if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
77 if (put_user(n ? kclips + 1 : NULL, &kclips->next))
87 static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
89 if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
90 put_user(kp->field, &up->field) ||
91 put_user(kp->chromakey, &up->chromakey) ||
92 put_user(kp->clipcount, &up->clipcount) ||
93 put_user(kp->global_alpha, &up->global_alpha))
98 struct v4l2_format32 {
99 enum v4l2_buf_type type;
101 struct v4l2_pix_format pix;
102 struct v4l2_pix_format_mplane pix_mp;
103 struct v4l2_window32 win;
104 struct v4l2_vbi_format vbi;
105 struct v4l2_sliced_vbi_format sliced;
106 __u8 raw_data[200]; /* user-defined */
111 * struct v4l2_create_buffers32 - VIDIOC_CREATE_BUFS32 argument
112 * @index: on return, index of the first created buffer
113 * @count: entry: number of requested buffers,
114 * return: number of created buffers
115 * @memory: buffer memory type
116 * @format: frame format, for which buffers are requested
117 * @reserved: future extensions
119 struct v4l2_create_buffers32 {
122 enum v4l2_memory memory;
123 struct v4l2_format32 format;
127 static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
129 if (get_user(kp->type, &up->type))
133 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
134 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
135 return copy_from_user(&kp->fmt.pix, &up->fmt.pix,
136 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
137 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
138 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
139 return copy_from_user(&kp->fmt.pix_mp, &up->fmt.pix_mp,
140 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
141 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
142 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
143 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
144 case V4L2_BUF_TYPE_VBI_CAPTURE:
145 case V4L2_BUF_TYPE_VBI_OUTPUT:
146 return copy_from_user(&kp->fmt.vbi, &up->fmt.vbi,
147 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
148 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
149 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
150 return copy_from_user(&kp->fmt.sliced, &up->fmt.sliced,
151 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
152 case V4L2_BUF_TYPE_PRIVATE:
153 if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data)))
157 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
163 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
165 if (!access_ok(VERIFY_READ, up, sizeof(*up)))
167 return __get_v4l2_format32(kp, up);
170 static int get_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
172 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
173 copy_from_user(kp, up, offsetof(struct v4l2_create_buffers32, format)))
175 return __get_v4l2_format32(&kp->format, &up->format);
178 static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
180 if (put_user(kp->type, &up->type))
184 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
185 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
186 return copy_to_user(&up->fmt.pix, &kp->fmt.pix,
187 sizeof(kp->fmt.pix)) ? -EFAULT : 0;
188 case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
189 case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
190 return copy_to_user(&up->fmt.pix_mp, &kp->fmt.pix_mp,
191 sizeof(kp->fmt.pix_mp)) ? -EFAULT : 0;
192 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
193 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
194 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
195 case V4L2_BUF_TYPE_VBI_CAPTURE:
196 case V4L2_BUF_TYPE_VBI_OUTPUT:
197 return copy_to_user(&up->fmt.vbi, &kp->fmt.vbi,
198 sizeof(kp->fmt.vbi)) ? -EFAULT : 0;
199 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
200 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
201 return copy_to_user(&up->fmt.sliced, &kp->fmt.sliced,
202 sizeof(kp->fmt.sliced)) ? -EFAULT : 0;
203 case V4L2_BUF_TYPE_PRIVATE:
204 if (copy_to_user(up, kp, sizeof(up->fmt.raw_data)))
208 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
214 static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
216 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)))
218 return __put_v4l2_format32(kp, up);
221 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
223 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
224 copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
225 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
227 return __put_v4l2_format32(&kp->format, &up->format);
230 struct v4l2_standard32 {
234 struct v4l2_fract frameperiod; /* Frames, not fields */
239 static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
241 /* other fields are not set by the user, nor used by the driver */
242 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
243 get_user(kp->index, &up->index))
248 static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
250 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
251 put_user(kp->index, &up->index) ||
252 put_user(kp->id, &up->id) ||
253 copy_to_user(up->name, kp->name, sizeof(up->name)) ||
254 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
255 put_user(kp->framelines, &up->framelines) ||
256 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
261 struct v4l2_plane32 {
266 compat_long_t userptr;
272 struct v4l2_buffer32 {
274 enum v4l2_buf_type type;
277 enum v4l2_field field;
278 struct compat_timeval timestamp;
279 struct v4l2_timecode timecode;
282 /* memory location */
283 enum v4l2_memory memory;
286 compat_long_t userptr;
287 compat_caddr_t planes;
294 static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
295 enum v4l2_memory memory)
300 if (copy_in_user(up, up32, 2 * sizeof(__u32)) ||
301 copy_in_user(&up->data_offset, &up32->data_offset,
302 sizeof(up->data_offset)))
306 case V4L2_MEMORY_MMAP:
307 case V4L2_MEMORY_OVERLAY:
308 if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
309 sizeof(up32->m.mem_offset)))
312 case V4L2_MEMORY_USERPTR:
313 if (get_user(p, &up32->m.userptr))
315 up_pln = compat_ptr(p);
316 if (put_user((unsigned long)up_pln, &up->m.userptr))
324 static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
325 enum v4l2_memory memory)
329 if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
330 copy_in_user(&up32->data_offset, &up->data_offset,
331 sizeof(up->data_offset)))
335 case V4L2_MEMORY_MMAP:
336 case V4L2_MEMORY_OVERLAY:
337 if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
338 sizeof(up->m.mem_offset)))
341 case V4L2_MEMORY_USERPTR:
342 if (get_user(p, &up->m.userptr) ||
343 put_user((compat_ulong_t)ptr_to_compat((__force void *)p),
352 static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
354 struct v4l2_plane32 __user *uplane32;
355 struct v4l2_plane __user *uplane;
360 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
361 get_user(kp->index, &up->index) ||
362 get_user(kp->type, &up->type) ||
363 get_user(kp->flags, &up->flags) ||
364 get_user(kp->memory, &up->memory) ||
365 get_user(kp->input, &up->input))
368 if (V4L2_TYPE_IS_OUTPUT(kp->type))
369 if (get_user(kp->bytesused, &up->bytesused) ||
370 get_user(kp->field, &up->field) ||
371 get_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
372 get_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec))
375 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
376 if (get_user(kp->length, &up->length))
379 num_planes = kp->length;
380 if (num_planes == 0) {
382 /* num_planes == 0 is legal, e.g. when userspace doesn't
383 * need planes array on DQBUF*/
387 if (get_user(p, &up->m.planes))
390 uplane32 = compat_ptr(p);
391 if (!access_ok(VERIFY_READ, uplane32,
392 num_planes * sizeof(*uplane32)))
395 /* We don't really care if userspace decides to kill itself
396 * by passing a very big num_planes value */
397 uplane = compat_alloc_user_space(num_planes *
399 kp->m.planes = (__force struct v4l2_plane *)uplane;
401 while (--num_planes >= 0) {
402 ret = get_v4l2_plane32(uplane, uplane32, kp->memory);
409 switch (kp->memory) {
410 case V4L2_MEMORY_MMAP:
411 if (get_user(kp->length, &up->length) ||
412 get_user(kp->m.offset, &up->m.offset))
415 case V4L2_MEMORY_USERPTR:
419 if (get_user(kp->length, &up->length) ||
420 get_user(tmp, &up->m.userptr))
423 kp->m.userptr = (unsigned long)compat_ptr(tmp);
426 case V4L2_MEMORY_OVERLAY:
427 if (get_user(kp->m.offset, &up->m.offset))
436 static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
438 struct v4l2_plane32 __user *uplane32;
439 struct v4l2_plane __user *uplane;
444 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
445 put_user(kp->index, &up->index) ||
446 put_user(kp->type, &up->type) ||
447 put_user(kp->flags, &up->flags) ||
448 put_user(kp->memory, &up->memory) ||
449 put_user(kp->input, &up->input))
452 if (put_user(kp->bytesused, &up->bytesused) ||
453 put_user(kp->field, &up->field) ||
454 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
455 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
456 copy_to_user(&up->timecode, &kp->timecode, sizeof(kp->timecode)) ||
457 put_user(kp->sequence, &up->sequence) ||
458 put_user(kp->reserved, &up->reserved))
461 if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
462 num_planes = kp->length;
466 uplane = (__force struct v4l2_plane __user *)kp->m.planes;
467 if (get_user(p, &up->m.planes))
469 uplane32 = compat_ptr(p);
471 while (--num_planes >= 0) {
472 ret = put_v4l2_plane32(uplane, uplane32, kp->memory);
479 switch (kp->memory) {
480 case V4L2_MEMORY_MMAP:
481 if (put_user(kp->length, &up->length) ||
482 put_user(kp->m.offset, &up->m.offset))
485 case V4L2_MEMORY_USERPTR:
486 if (put_user(kp->length, &up->length) ||
487 put_user(kp->m.userptr, &up->m.userptr))
490 case V4L2_MEMORY_OVERLAY:
491 if (put_user(kp->m.offset, &up->m.offset))
500 struct v4l2_framebuffer32 {
504 struct v4l2_pix_format fmt;
507 static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
511 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
512 get_user(tmp, &up->base) ||
513 get_user(kp->capability, &up->capability) ||
514 get_user(kp->flags, &up->flags) ||
515 copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
517 kp->base = (__force void *)compat_ptr(tmp);
521 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
523 u32 tmp = (u32)((unsigned long)kp->base);
525 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
526 put_user(tmp, &up->base) ||
527 put_user(kp->capability, &up->capability) ||
528 put_user(kp->flags, &up->flags) ||
529 copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt)))
534 struct v4l2_input32 {
535 __u32 index; /* Which input */
536 __u8 name[32]; /* Label */
537 __u32 type; /* Type of input */
538 __u32 audioset; /* Associated audios (bitfield) */
539 __u32 tuner; /* Associated tuner */
546 /* The 64-bit v4l2_input struct has extra padding at the end of the struct.
547 Otherwise it is identical to the 32-bit version. */
548 static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
550 if (copy_from_user(kp, up, sizeof(*up)))
555 static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
557 if (copy_to_user(up, kp, sizeof(*up)))
562 struct v4l2_ext_controls32 {
567 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
570 struct v4l2_ext_control32 {
577 compat_caddr_t string; /* actually char * */
579 } __attribute__ ((packed));
581 /* Return true if this control is a pointer type. */
582 static inline bool ctrl_is_pointer(struct file *file, u32 id)
584 struct video_device *vdev = video_devdata(file);
585 struct v4l2_fh *fh = NULL;
586 struct v4l2_ctrl_handler *hdl = NULL;
588 if (test_bit(V4L2_FL_USES_V4L2_FH, &vdev->flags))
589 fh = file->private_data;
591 if (fh && fh->ctrl_handler)
592 hdl = fh->ctrl_handler;
593 else if (vdev->ctrl_handler)
594 hdl = vdev->ctrl_handler;
597 struct v4l2_ctrl *ctrl = v4l2_ctrl_find(hdl, id);
599 return ctrl && ctrl->type == V4L2_CTRL_TYPE_STRING;
604 static int get_v4l2_ext_controls32(struct file *file,
605 struct v4l2_ext_controls *kp,
606 struct v4l2_ext_controls32 __user *up)
608 struct v4l2_ext_control32 __user *ucontrols;
609 struct v4l2_ext_control __user *kcontrols;
613 if (!access_ok(VERIFY_READ, up, sizeof(*up)) ||
614 get_user(kp->ctrl_class, &up->ctrl_class) ||
615 get_user(kp->count, &up->count) ||
616 get_user(kp->error_idx, &up->error_idx) ||
617 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
624 if (get_user(p, &up->controls))
626 ucontrols = compat_ptr(p);
627 if (!access_ok(VERIFY_READ, ucontrols, n * sizeof(*ucontrols)))
629 kcontrols = compat_alloc_user_space(n * sizeof(*kcontrols));
630 kp->controls = (__force struct v4l2_ext_control *)kcontrols;
634 if (copy_in_user(kcontrols, ucontrols, sizeof(*ucontrols)))
636 if (get_user(id, &kcontrols->id))
638 if (ctrl_is_pointer(file, id)) {
641 if (get_user(p, &ucontrols->string))
644 if (put_user(s, &kcontrols->string))
653 static int put_v4l2_ext_controls32(struct file *file,
654 struct v4l2_ext_controls *kp,
655 struct v4l2_ext_controls32 __user *up)
657 struct v4l2_ext_control32 __user *ucontrols;
658 struct v4l2_ext_control __user *kcontrols =
659 (__force struct v4l2_ext_control __user *)kp->controls;
663 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
664 put_user(kp->ctrl_class, &up->ctrl_class) ||
665 put_user(kp->count, &up->count) ||
666 put_user(kp->error_idx, &up->error_idx) ||
667 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
672 if (get_user(p, &up->controls))
674 ucontrols = compat_ptr(p);
675 if (!access_ok(VERIFY_WRITE, ucontrols, n * sizeof(*ucontrols)))
679 unsigned size = sizeof(*ucontrols);
682 if (get_user(id, &kcontrols->id))
684 /* Do not modify the pointer when copying a pointer control.
685 The contents of the pointer was changed, not the pointer
687 if (ctrl_is_pointer(file, id))
688 size -= sizeof(ucontrols->value64);
689 if (copy_in_user(ucontrols, kcontrols, size))
697 struct v4l2_event32 {
705 struct compat_timespec timestamp;
710 static int put_v4l2_event32(struct v4l2_event *kp, struct v4l2_event32 __user *up)
712 if (!access_ok(VERIFY_WRITE, up, sizeof(*up)) ||
713 put_user(kp->type, &up->type) ||
714 copy_to_user(&up->u, &kp->u, sizeof(kp->u)) ||
715 put_user(kp->pending, &up->pending) ||
716 put_user(kp->sequence, &up->sequence) ||
717 put_compat_timespec(&kp->timestamp, &up->timestamp) ||
718 put_user(kp->id, &up->id) ||
719 copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
724 #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
725 #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
726 #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
727 #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
728 #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
729 #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
730 #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
731 #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
732 #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
733 #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
734 #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
735 #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
736 #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
737 #define VIDIOC_DQEVENT32 _IOR ('V', 89, struct v4l2_event32)
738 #define VIDIOC_CREATE_BUFS32 _IOWR('V', 92, struct v4l2_create_buffers32)
739 #define VIDIOC_PREPARE_BUF32 _IOWR('V', 93, struct v4l2_buffer32)
741 #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
742 #define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
743 #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
744 #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
745 #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
746 #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
747 #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
749 static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
752 struct v4l2_format v2f;
753 struct v4l2_buffer v2b;
754 struct v4l2_framebuffer v2fb;
755 struct v4l2_input v2i;
756 struct v4l2_standard v2s;
757 struct v4l2_ext_controls v2ecs;
758 struct v4l2_event v2ev;
759 struct v4l2_create_buffers v2crt;
763 void __user *up = compat_ptr(arg);
764 int compatible_arg = 1;
767 /* First, convert the command. */
769 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
770 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
771 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
772 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
773 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
774 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
775 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
776 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
777 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
778 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
779 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
780 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
781 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
782 case VIDIOC_DQEVENT32: cmd = VIDIOC_DQEVENT; break;
783 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
784 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
785 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
786 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
787 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
788 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
789 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
790 case VIDIOC_CREATE_BUFS32: cmd = VIDIOC_CREATE_BUFS; break;
791 case VIDIOC_PREPARE_BUF32: cmd = VIDIOC_PREPARE_BUF; break;
796 case VIDIOC_STREAMON:
797 case VIDIOC_STREAMOFF:
799 case VIDIOC_S_OUTPUT:
800 err = get_user(karg.vi, (s32 __user *)up);
805 case VIDIOC_G_OUTPUT:
812 err = get_v4l2_format32(&karg.v2f, up);
816 case VIDIOC_CREATE_BUFS:
817 err = get_v4l2_create32(&karg.v2crt, up);
821 case VIDIOC_PREPARE_BUF:
822 case VIDIOC_QUERYBUF:
825 err = get_v4l2_buffer32(&karg.v2b, up);
830 err = get_v4l2_framebuffer32(&karg.v2fb, up);
839 err = get_v4l2_standard32(&karg.v2s, up);
843 case VIDIOC_ENUMINPUT:
844 err = get_v4l2_input32(&karg.v2i, up);
848 case VIDIOC_G_EXT_CTRLS:
849 case VIDIOC_S_EXT_CTRLS:
850 case VIDIOC_TRY_EXT_CTRLS:
851 err = get_v4l2_ext_controls32(file, &karg.v2ecs, up);
862 err = native_ioctl(file, cmd, (unsigned long)up);
864 mm_segment_t old_fs = get_fs();
867 err = native_ioctl(file, cmd, (unsigned long)&karg);
871 /* Special case: even after an error we need to put the
872 results back for these ioctls since the error_idx will
873 contain information on which control failed. */
875 case VIDIOC_G_EXT_CTRLS:
876 case VIDIOC_S_EXT_CTRLS:
877 case VIDIOC_TRY_EXT_CTRLS:
878 if (put_v4l2_ext_controls32(file, &karg.v2ecs, up))
887 case VIDIOC_S_OUTPUT:
889 case VIDIOC_G_OUTPUT:
890 err = put_user(((s32)karg.vi), (s32 __user *)up);
894 err = put_v4l2_framebuffer32(&karg.v2fb, up);
898 err = put_v4l2_event32(&karg.v2ev, up);
904 err = put_v4l2_format32(&karg.v2f, up);
907 case VIDIOC_CREATE_BUFS:
908 err = put_v4l2_create32(&karg.v2crt, up);
911 case VIDIOC_PREPARE_BUF:
912 case VIDIOC_QUERYBUF:
915 err = put_v4l2_buffer32(&karg.v2b, up);
919 err = put_v4l2_standard32(&karg.v2s, up);
922 case VIDIOC_ENUMINPUT:
923 err = put_v4l2_input32(&karg.v2i, up);
929 long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
931 long ret = -ENOIOCTLCMD;
933 if (!file->f_op->unlocked_ioctl)
937 case VIDIOC_QUERYCAP:
938 case VIDIOC_RESERVED:
939 case VIDIOC_ENUM_FMT:
943 case VIDIOC_QUERYBUF32:
944 case VIDIOC_G_FBUF32:
945 case VIDIOC_S_FBUF32:
946 case VIDIOC_OVERLAY32:
949 case VIDIOC_STREAMON32:
950 case VIDIOC_STREAMOFF32:
955 case VIDIOC_ENUMSTD32:
956 case VIDIOC_ENUMINPUT32:
963 case VIDIOC_QUERYCTRL:
964 case VIDIOC_QUERYMENU:
965 case VIDIOC_G_INPUT32:
966 case VIDIOC_S_INPUT32:
967 case VIDIOC_G_OUTPUT32:
968 case VIDIOC_S_OUTPUT32:
969 case VIDIOC_ENUMOUTPUT:
970 case VIDIOC_G_AUDOUT:
971 case VIDIOC_S_AUDOUT:
972 case VIDIOC_G_MODULATOR:
973 case VIDIOC_S_MODULATOR:
974 case VIDIOC_S_FREQUENCY:
975 case VIDIOC_G_FREQUENCY:
979 case VIDIOC_G_JPEGCOMP:
980 case VIDIOC_S_JPEGCOMP:
981 case VIDIOC_QUERYSTD:
982 case VIDIOC_TRY_FMT32:
983 case VIDIOC_ENUMAUDIO:
984 case VIDIOC_ENUMAUDOUT:
985 case VIDIOC_G_PRIORITY:
986 case VIDIOC_S_PRIORITY:
987 case VIDIOC_G_SLICED_VBI_CAP:
988 case VIDIOC_LOG_STATUS:
989 case VIDIOC_G_EXT_CTRLS32:
990 case VIDIOC_S_EXT_CTRLS32:
991 case VIDIOC_TRY_EXT_CTRLS32:
992 case VIDIOC_ENUM_FRAMESIZES:
993 case VIDIOC_ENUM_FRAMEINTERVALS:
994 case VIDIOC_G_ENC_INDEX:
995 case VIDIOC_ENCODER_CMD:
996 case VIDIOC_TRY_ENCODER_CMD:
997 case VIDIOC_DBG_S_REGISTER:
998 case VIDIOC_DBG_G_REGISTER:
999 case VIDIOC_DBG_G_CHIP_IDENT:
1000 case VIDIOC_S_HW_FREQ_SEEK:
1001 case VIDIOC_ENUM_DV_PRESETS:
1002 case VIDIOC_S_DV_PRESET:
1003 case VIDIOC_G_DV_PRESET:
1004 case VIDIOC_QUERY_DV_PRESET:
1005 case VIDIOC_S_DV_TIMINGS:
1006 case VIDIOC_G_DV_TIMINGS:
1007 case VIDIOC_DQEVENT:
1008 case VIDIOC_DQEVENT32:
1009 case VIDIOC_SUBSCRIBE_EVENT:
1010 case VIDIOC_UNSUBSCRIBE_EVENT:
1011 case VIDIOC_CREATE_BUFS32:
1012 case VIDIOC_PREPARE_BUF32:
1013 ret = do_video_ioctl(file, cmd, arg);
1017 printk(KERN_WARNING "compat_ioctl32: "
1018 "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
1019 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd);
1024 EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);
1027 MODULE_LICENSE("GPL");