/* * ioctl32.c: Conversion between 32bit and 64bit native ioctls. * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de> * * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs * Copyright (C) 2003 Pavel Machek (pavel@suse.cz) * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be) * * These routines maintain argument size conversion between 32bit and 64bit * ioctls. */ #include <linux/compat.h> #include <linux/videodev.h> #include <linux/videodev2.h> #include <linux/module.h> #include <linux/smp_lock.h> #include <media/v4l2-ioctl.h> #ifdef CONFIG_COMPAT #ifdef CONFIG_VIDEO_V4L1_COMPAT struct video_tuner32 { compat_int_t tuner; char name[32]; compat_ulong_t rangelow, rangehigh; u32 flags; /* It is really u32 in videodev.h */ u16 mode, signal; }; static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) { if(!access_ok(VERIFY_READ, up, sizeof(struct video_tuner32)) || get_user(kp->tuner, &up->tuner) || copy_from_user(kp->name, up->name, 32) || get_user(kp->rangelow, &up->rangelow) || get_user(kp->rangehigh, &up->rangehigh) || get_user(kp->flags, &up->flags) || get_user(kp->mode, &up->mode) || get_user(kp->signal, &up->signal)) return -EFAULT; return 0; } static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) { if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_tuner32)) || put_user(kp->tuner, &up->tuner) || copy_to_user(up->name, kp->name, 32) || put_user(kp->rangelow, &up->rangelow) || put_user(kp->rangehigh, &up->rangehigh) || put_user(kp->flags, &up->flags) || put_user(kp->mode, &up->mode) || put_user(kp->signal, &up->signal)) return -EFAULT; return 0; } struct video_buffer32 { compat_caddr_t base; compat_int_t height, width, depth, bytesperline; }; static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) { u32 tmp; if (!access_ok(VERIFY_READ, up, sizeof(struct video_buffer32)) || get_user(tmp, &up->base) || get_user(kp->height, &up->height) || get_user(kp->width, &up->width) || get_user(kp->depth, &up->depth) || get_user(kp->bytesperline, &up->bytesperline)) return -EFAULT; /* This is actually a physical address stored * as a void pointer. */ kp->base = (void *)(unsigned long) tmp; return 0; } static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) { u32 tmp = (u32)((unsigned long)kp->base); if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_buffer32)) || put_user(tmp, &up->base) || put_user(kp->height, &up->height) || put_user(kp->width, &up->width) || put_user(kp->depth, &up->depth) || put_user(kp->bytesperline, &up->bytesperline)) return -EFAULT; return 0; } struct video_clip32 { s32 x, y, width, height; /* Its really s32 in videodev.h */ compat_caddr_t next; }; struct video_window32 { u32 x, y, width, height, chromakey, flags; compat_caddr_t clips; compat_int_t clipcount; }; #endif static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret = -ENOIOCTLCMD; if (file->f_op->unlocked_ioctl) ret = file->f_op->unlocked_ioctl(file, cmd, arg); else if (file->f_op->ioctl) { lock_kernel(); ret = file->f_op->ioctl(file->f_path.dentry->d_inode, file, cmd, arg); unlock_kernel(); } return ret; } #ifdef CONFIG_VIDEO_V4L1_COMPAT /* You get back everything except the clips... */ static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) { if(!access_ok(VERIFY_WRITE, up, sizeof(struct video_window32)) || put_user(kp->x, &up->x) || put_user(kp->y, &up->y) || put_user(kp->width, &up->width) || put_user(kp->height, &up->height) || put_user(kp->chromakey, &up->chromakey) || put_user(kp->flags, &up->flags) || put_user(kp->clipcount, &up->clipcount)) return -EFAULT; return 0; } #endif struct v4l2_clip32 { struct v4l2_rect c; compat_caddr_t next; }; struct v4l2_window32 { struct v4l2_rect w; enum v4l2_field field; __u32 chromakey; compat_caddr_t clips; /* actually struct v4l2_clip32 * */ __u32 clipcount; compat_caddr_t bitmap; }; static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) { if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) || copy_from_user(&kp->w, &up->w, sizeof(up->w)) || get_user(kp->field, &up->field) || get_user(kp->chromakey, &up->chromakey) || get_user(kp->clipcount, &up->clipcount)) return -EFAULT; if (kp->clipcount > 2048) return -EINVAL; if (kp->clipcount) { struct v4l2_clip32 __user *uclips; struct v4l2_clip __user *kclips; int n = kp->clipcount; compat_caddr_t p; if (get_user(p, &up->clips)) return -EFAULT; uclips = compat_ptr(p); kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip)); kp->clips = kclips; while (--n >= 0) { if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c))) return -EFAULT; if (put_user(n ? kclips + 1 : NULL, &kclips->next)) return -EFAULT; uclips += 1; kclips += 1; } } else kp->clips = NULL; return 0; } static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up) { if (copy_to_user(&up->w, &kp->w, sizeof(up->w)) || put_user(kp->field, &up->field) || put_user(kp->chromakey, &up->chromakey) || put_user(kp->clipcount, &up->clipcount)) return -EFAULT; return 0; } static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format))) return -EFAULT; return 0; } static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format))) return -EFAULT; return 0; } static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format))) return -EFAULT; return 0; } static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format))) return -EFAULT; return 0; } struct v4l2_format32 { enum v4l2_buf_type type; union { struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE struct v4l2_window32 win; // V4L2_BUF_TYPE_VIDEO_OVERLAY struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE __u8 raw_data[200]; // user-defined } fmt; }; static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) { if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) || get_user(kp->type, &up->type)) return -EFAULT; switch (kp->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); case V4L2_BUF_TYPE_VIDEO_OVERLAY: return get_v4l2_window32(&kp->fmt.win, &up->fmt.win); case V4L2_BUF_TYPE_VBI_CAPTURE: return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); default: printk("compat_ioctl : unexpected VIDIOC_FMT type %d\n", kp->type); return -ENXIO; } } static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up) { if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)) || put_user(kp->type, &up->type)) return -EFAULT; switch (kp->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix); case V4L2_BUF_TYPE_VIDEO_OVERLAY: return put_v4l2_window32(&kp->fmt.win, &up->fmt.win); case V4L2_BUF_TYPE_VBI_CAPTURE: return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi); default: return -ENXIO; } } static inline int get_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_standard))) return -EFAULT; return 0; } static inline int put_v4l2_standard(struct v4l2_standard *kp, struct v4l2_standard __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_standard))) return -EFAULT; return 0; } struct v4l2_standard32 { __u32 index; __u32 id[2]; /* __u64 would get the alignment wrong */ __u8 name[24]; struct v4l2_fract frameperiod; /* Frames, not fields */ __u32 framelines; __u32 reserved[4]; }; static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) { /* other fields are not set by the user, nor used by the driver */ if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) || get_user(kp->index, &up->index)) return -EFAULT; return 0; } static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up) { if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) || put_user(kp->index, &up->index) || copy_to_user(up->id, &kp->id, sizeof(__u64)) || copy_to_user(up->name, kp->name, 24) || copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) || put_user(kp->framelines, &up->framelines) || copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32))) return -EFAULT; return 0; } static inline int get_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_tuner))) return -EFAULT; return 0; } static inline int put_v4l2_tuner(struct v4l2_tuner *kp, struct v4l2_tuner __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_tuner))) return -EFAULT; return 0; } struct v4l2_buffer32 { __u32 index; enum v4l2_buf_type type; __u32 bytesused; __u32 flags; enum v4l2_field field; struct compat_timeval timestamp; struct v4l2_timecode timecode; __u32 sequence; /* memory location */ enum v4l2_memory memory; union { __u32 offset; compat_long_t userptr; } m; __u32 length; __u32 input; __u32 reserved; }; static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) { if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) || get_user(kp->index, &up->index) || get_user(kp->type, &up->type) || get_user(kp->flags, &up->flags) || get_user(kp->memory, &up->memory) || get_user(kp->input, &up->input)) return -EFAULT; switch(kp->memory) { case V4L2_MEMORY_MMAP: break; case V4L2_MEMORY_USERPTR: { compat_long_t tmp; if (get_user(kp->length, &up->length) || get_user(tmp, &up->m.userptr)) return -EFAULT; kp->m.userptr = (unsigned long)compat_ptr(tmp); } break; case V4L2_MEMORY_OVERLAY: if(get_user(kp->m.offset, &up->m.offset)) return -EFAULT; break; } return 0; } static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up) { if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) || put_user(kp->index, &up->index) || put_user(kp->type, &up->type) || put_user(kp->flags, &up->flags) || put_user(kp->memory, &up->memory) || put_user(kp->input, &up->input)) return -EFAULT; switch(kp->memory) { case V4L2_MEMORY_MMAP: if (put_user(kp->length, &up->length) || put_user(kp->m.offset, &up->m.offset)) return -EFAULT; break; case V4L2_MEMORY_USERPTR: if (put_user(kp->length, &up->length) || put_user(kp->m.userptr, &up->m.userptr)) return -EFAULT; break; case V4L2_MEMORY_OVERLAY: if (put_user(kp->m.offset, &up->m.offset)) return -EFAULT; break; } if (put_user(kp->bytesused, &up->bytesused) || put_user(kp->field, &up->field) || put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) || put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) || copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) || put_user(kp->sequence, &up->sequence) || put_user(kp->reserved, &up->reserved)) return -EFAULT; return 0; } struct v4l2_framebuffer32 { __u32 capability; __u32 flags; compat_caddr_t base; struct v4l2_pix_format fmt; }; static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) { u32 tmp; if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) || get_user(tmp, &up->base) || get_user(kp->capability, &up->capability) || get_user(kp->flags, &up->flags)) return -EFAULT; kp->base = compat_ptr(tmp); get_v4l2_pix_format(&kp->fmt, &up->fmt); return 0; } static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up) { u32 tmp = (u32)((unsigned long)kp->base); if(!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) || put_user(tmp, &up->base) || put_user(kp->capability, &up->capability) || put_user(kp->flags, &up->flags)) return -EFAULT; put_v4l2_pix_format(&kp->fmt, &up->fmt); return 0; } static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_input) - 4)) return -EFAULT; return 0; } static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_input) - 4)) return -EFAULT; return 0; } static inline int get_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up) { if (copy_from_user(kp, up, sizeof(struct v4l2_input))) return -EFAULT; return 0; } static inline int put_v4l2_input(struct v4l2_input *kp, struct v4l2_input __user *up) { if (copy_to_user(up, kp, sizeof(struct v4l2_input))) return -EFAULT; return 0; } #ifdef CONFIG_VIDEO_V4L1_COMPAT struct video_code32 { char loadwhat[16]; /* name or tag of file being passed */ compat_int_t datasize; unsigned char *data; }; static inline int microcode32(struct video_code *kp, struct video_code32 __user *up) { if(!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) || copy_from_user(kp->loadwhat, up->loadwhat, sizeof (up->loadwhat)) || get_user(kp->datasize, &up->datasize) || copy_from_user(kp->data, up->data, up->datasize)) return -EFAULT; return 0; } #define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32) #define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32) #define VIDIOCGWIN32 _IOR('v',9, struct video_window32) #define VIDIOCSWIN32 _IOW('v',10, struct video_window32) #define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32) #define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32) #define VIDIOCGFREQ32 _IOR('v',14, u32) #define VIDIOCSFREQ32 _IOW('v',15, u32) #define VIDIOCSMICROCODE32 _IOW('v',27, struct video_code32) #endif /* VIDIOC_ENUMINPUT32 is VIDIOC_ENUMINPUT minus 4 bytes of padding alignement */ #define VIDIOC_ENUMINPUT32 VIDIOC_ENUMINPUT - _IOC(0, 0, 0, 4) #define VIDIOC_G_FMT32 _IOWR ('V', 4, struct v4l2_format32) #define VIDIOC_S_FMT32 _IOWR ('V', 5, struct v4l2_format32) #define VIDIOC_QUERYBUF32 _IOWR ('V', 9, struct v4l2_buffer32) #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32) #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32) /* VIDIOC_OVERLAY is now _IOW, but was _IOWR */ #define VIDIOC_OVERLAY32 _IOWR ('V', 14, compat_int_t) #define VIDIOC_QBUF32 _IOWR ('V', 15, struct v4l2_buffer32) #define VIDIOC_DQBUF32 _IOWR ('V', 17, struct v4l2_buffer32) #define VIDIOC_STREAMON32 _IOW ('V', 18, compat_int_t) #define VIDIOC_STREAMOFF32 _IOW ('V', 19, compat_int_t) #define VIDIOC_ENUMSTD32 _IOWR ('V', 25, struct v4l2_standard32) /* VIDIOC_S_CTRL is now _IOWR, but was _IOW */ #define VIDIOC_S_CTRL32 _IOW ('V', 28, struct v4l2_control) #define VIDIOC_G_INPUT32 _IOR ('V', 38, compat_int_t) #define VIDIOC_S_INPUT32 _IOWR ('V', 39, compat_int_t) #define VIDIOC_TRY_FMT32 _IOWR ('V', 64, struct v4l2_format32) #ifdef CONFIG_VIDEO_V4L1_COMPAT enum { MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip) }; static int do_set_window(struct file *file, unsigned int cmd, unsigned long arg) { struct video_window32 __user *up = compat_ptr(arg); struct video_window __user *vw; struct video_clip __user *p; int nclips; u32 n; if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32))) return -EFAULT; if (get_user(nclips, &up->clipcount)) return -EFAULT; /* Peculiar interface... */ if (nclips < 0) nclips = VIDEO_CLIPMAP_SIZE; if (nclips > MaxClips) return -ENOMEM; vw = compat_alloc_user_space(sizeof(struct video_window) + nclips * sizeof(struct video_clip)); p = nclips ? (struct video_clip __user *)(vw + 1) : NULL; if (get_user(n, &up->x) || put_user(n, &vw->x) || get_user(n, &up->y) || put_user(n, &vw->y) || get_user(n, &up->width) || put_user(n, &vw->width) || get_user(n, &up->height) || put_user(n, &vw->height) || get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) || get_user(n, &up->flags) || put_user(n, &vw->flags) || get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) || get_user(n, &up->clips) || put_user(p, &vw->clips)) return -EFAULT; if (nclips) { struct video_clip32 __user *u = compat_ptr(n); int i; if (!u) return -EINVAL; for (i = 0; i < nclips; i++, u++, p++) { s32 v; if (!access_ok(VERIFY_READ, u, sizeof(struct video_clip32)) || !access_ok(VERIFY_WRITE, p, sizeof(struct video_clip32)) || get_user(v, &u->x) || put_user(v, &p->x) || get_user(v, &u->y) || put_user(v, &p->y) || get_user(v, &u->width) || put_user(v, &p->width) || get_user(v, &u->height) || put_user(v, &p->height) || put_user(NULL, &p->next)) return -EFAULT; } } return native_ioctl(file, VIDIOCSWIN, (unsigned long)vw); } #endif static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { union { #ifdef CONFIG_VIDEO_V4L1_COMPAT struct video_tuner vt; struct video_buffer vb; struct video_window vw; struct video_code vc; struct video_audio va; #endif struct v4l2_format v2f; struct v4l2_buffer v2b; struct v4l2_framebuffer v2fb; struct v4l2_standard v2s; struct v4l2_input v2i; struct v4l2_tuner v2t; unsigned long vx; } karg; void __user *up = compat_ptr(arg); int compatible_arg = 1; int err = 0; int realcmd = cmd; /* First, convert the command. */ switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGTUNER32: realcmd = cmd = VIDIOCGTUNER; break; case VIDIOCSTUNER32: realcmd = cmd = VIDIOCSTUNER; break; case VIDIOCGWIN32: realcmd = cmd = VIDIOCGWIN; break; case VIDIOCGFBUF32: realcmd = cmd = VIDIOCGFBUF; break; case VIDIOCSFBUF32: realcmd = cmd = VIDIOCSFBUF; break; case VIDIOCGFREQ32: realcmd = cmd = VIDIOCGFREQ; break; case VIDIOCSFREQ32: realcmd = cmd = VIDIOCSFREQ; break; case VIDIOCSMICROCODE32: realcmd = cmd = VIDIOCSMICROCODE; break; #endif case VIDIOC_G_FMT32: realcmd = cmd = VIDIOC_G_FMT; break; case VIDIOC_S_FMT32: realcmd = cmd = VIDIOC_S_FMT; break; case VIDIOC_QUERYBUF32: realcmd = cmd = VIDIOC_QUERYBUF; break; case VIDIOC_QBUF32: realcmd = cmd = VIDIOC_QBUF; break; case VIDIOC_DQBUF32: realcmd = cmd = VIDIOC_DQBUF; break; case VIDIOC_STREAMON32: realcmd = cmd = VIDIOC_STREAMON; break; case VIDIOC_STREAMOFF32: realcmd = cmd = VIDIOC_STREAMOFF; break; case VIDIOC_G_FBUF32: realcmd = cmd = VIDIOC_G_FBUF; break; case VIDIOC_S_FBUF32: realcmd = cmd = VIDIOC_S_FBUF; break; case VIDIOC_OVERLAY32: realcmd = cmd = VIDIOC_OVERLAY; break; case VIDIOC_ENUMSTD32: realcmd = VIDIOC_ENUMSTD; break; case VIDIOC_ENUMINPUT32: realcmd = VIDIOC_ENUMINPUT; break; case VIDIOC_S_CTRL32: realcmd = cmd = VIDIOC_S_CTRL; break; case VIDIOC_G_INPUT32: realcmd = cmd = VIDIOC_G_INPUT; break; case VIDIOC_S_INPUT32: realcmd = cmd = VIDIOC_S_INPUT; break; case VIDIOC_TRY_FMT32: realcmd = cmd = VIDIOC_TRY_FMT; break; }; switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSTUNER: case VIDIOCGTUNER: err = get_video_tuner32(&karg.vt, up); compatible_arg = 0; break; case VIDIOCSFBUF: err = get_video_buffer32(&karg.vb, up); compatible_arg = 0; break; case VIDIOCSFREQ: #endif case VIDIOC_S_INPUT: case VIDIOC_OVERLAY: case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: err = get_user(karg.vx, (u32 __user *)up); compatible_arg = 1; break; case VIDIOC_S_FBUF: err = get_v4l2_framebuffer32(&karg.v2fb, up); compatible_arg = 0; break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = get_v4l2_format32(&karg.v2f, up); compatible_arg = 0; break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = get_v4l2_buffer32(&karg.v2b, up); compatible_arg = 0; break; case VIDIOC_ENUMSTD: err = get_v4l2_standard(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMSTD32: err = get_v4l2_standard32(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT: err = get_v4l2_input(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT32: err = get_v4l2_input32(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: err = get_v4l2_tuner(&karg.v2t, up); compatible_arg = 0; break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGWIN: case VIDIOCGFBUF: case VIDIOCGFREQ: #endif case VIDIOC_G_FBUF: case VIDIOC_G_INPUT: compatible_arg = 0; break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSMICROCODE: err = microcode32(&karg.vc, up); compatible_arg = 0; break; #endif }; if(err) goto out; if(compatible_arg) err = native_ioctl(file, realcmd, (unsigned long)up); else { mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); err = native_ioctl(file, realcmd, (unsigned long) &karg); set_fs(old_fs); } if(err == 0) { switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGTUNER: err = put_video_tuner32(&karg.vt, up); break; case VIDIOCGWIN: err = put_video_window32(&karg.vw, up); break; case VIDIOCGFBUF: err = put_video_buffer32(&karg.vb, up); break; #endif case VIDIOC_G_FBUF: err = put_v4l2_framebuffer32(&karg.v2fb, up); break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = put_v4l2_format32(&karg.v2f, up); break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = put_v4l2_buffer32(&karg.v2b, up); break; case VIDIOC_ENUMSTD: err = put_v4l2_standard(&karg.v2s, up); break; case VIDIOC_ENUMSTD32: err = put_v4l2_standard32(&karg.v2s, up); break; case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: err = put_v4l2_tuner(&karg.v2t, up); break; case VIDIOC_ENUMINPUT: err = put_v4l2_input(&karg.v2i, up); break; case VIDIOC_ENUMINPUT32: err = put_v4l2_input32(&karg.v2i, up); break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGFREQ: #endif case VIDIOC_G_INPUT: err = put_user(((u32)karg.vx), (u32 __user *)up); break; }; } out: return err; } long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) { int ret = -ENOIOCTLCMD; if (!file->f_op->ioctl) return ret; switch (cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSWIN32: ret = do_set_window(file, cmd, arg); break; case VIDIOCGTUNER32: case VIDIOCSTUNER32: case VIDIOCGWIN32: case VIDIOCGFBUF32: case VIDIOCSFBUF32: case VIDIOCGFREQ32: case VIDIOCSFREQ32: case VIDIOCGAUDIO: case VIDIOCSAUDIO: case VIDIOCGVBIFMT: case VIDIOCSVBIFMT: #endif case VIDIOC_QUERYCAP: case VIDIOC_ENUM_FMT: case VIDIOC_G_FMT32: case VIDIOC_CROPCAP: case VIDIOC_S_CROP: case VIDIOC_S_FMT32: case VIDIOC_REQBUFS: case VIDIOC_QUERYBUF32: case VIDIOC_G_FBUF32: case VIDIOC_S_FBUF32: case VIDIOC_OVERLAY32: case VIDIOC_QBUF32: case VIDIOC_DQBUF32: case VIDIOC_STREAMON32: case VIDIOC_STREAMOFF32: case VIDIOC_G_PARM: case VIDIOC_G_STD: case VIDIOC_S_STD: case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: case VIDIOC_ENUMSTD: case VIDIOC_ENUMSTD32: case VIDIOC_ENUMINPUT: case VIDIOC_ENUMINPUT32: case VIDIOC_G_CTRL: case VIDIOC_S_CTRL: case VIDIOC_S_CTRL32: case VIDIOC_S_FREQUENCY: case VIDIOC_G_FREQUENCY: case VIDIOC_QUERYCTRL: case VIDIOC_G_INPUT32: case VIDIOC_S_INPUT32: case VIDIOC_TRY_FMT32: case VIDIOC_S_HW_FREQ_SEEK: ret = do_video_ioctl(file, cmd, arg); break; #ifdef CONFIG_VIDEO_V4L1_COMPAT /* Little v, the video4linux ioctls (conflict?) */ case VIDIOCGCAP: case VIDIOCGCHAN: case VIDIOCSCHAN: case VIDIOCGPICT: case VIDIOCSPICT: case VIDIOCCAPTURE: case VIDIOCKEY: case VIDIOCSYNC: case VIDIOCMCAPTURE: case VIDIOCGMBUF: case VIDIOCGUNIT: case VIDIOCGCAPTURE: case VIDIOCSCAPTURE: /* BTTV specific... */ case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]): case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]): case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int): case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */ case _IOR('v' , BASE_VIDIOCPRIVATE+4, int): case _IOR('v' , BASE_VIDIOCPRIVATE+5, int): case _IOR('v' , BASE_VIDIOCPRIVATE+6, int): case _IOR('v' , BASE_VIDIOCPRIVATE+7, int): ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); break; #endif default: v4l_print_ioctl("compat_ioctl32", cmd); } return ret; } #else long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) { return -ENOIOCTLCMD; } #endif EXPORT_SYMBOL_GPL(v4l_compat_ioctl32); MODULE_LICENSE("GPL");