From c7f82d9c49e763f40f7ea7126a2c9f067bfde71f Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 8 Nov 2005 21:39:19 -0800 Subject: [PATCH] fbdev: move ioctl32 code to fbmem.c The frame buffer layer already had some code dealing with compat ioctls, this patch moves over the remaining code from fs/compat_ioctl.c Signed-off-by: Arnd Bergmann Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/compat_ioctl.c | 143 ------------------------------------------------------ 1 file changed, 143 deletions(-) (limited to 'fs/compat_ioctl.c') diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 71c9d45c0624..26300fccb4fc 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -840,146 +840,6 @@ static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg) return err ? -EFAULT : 0; } -struct fb_fix_screeninfo32 { - char id[16]; - compat_caddr_t smem_start; - u32 smem_len; - u32 type; - u32 type_aux; - u32 visual; - u16 xpanstep; - u16 ypanstep; - u16 ywrapstep; - u32 line_length; - compat_caddr_t mmio_start; - u32 mmio_len; - u32 accel; - u16 reserved[3]; -}; - -struct fb_cmap32 { - u32 start; - u32 len; - compat_caddr_t red; - compat_caddr_t green; - compat_caddr_t blue; - compat_caddr_t transp; -}; - -static int fb_getput_cmap(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - struct fb_cmap_user __user *cmap; - struct fb_cmap32 __user *cmap32; - __u32 data; - int err; - - cmap = compat_alloc_user_space(sizeof(*cmap)); - cmap32 = compat_ptr(arg); - - if (copy_in_user(&cmap->start, &cmap32->start, 2 * sizeof(__u32))) - return -EFAULT; - - if (get_user(data, &cmap32->red) || - put_user(compat_ptr(data), &cmap->red) || - get_user(data, &cmap32->green) || - put_user(compat_ptr(data), &cmap->green) || - get_user(data, &cmap32->blue) || - put_user(compat_ptr(data), &cmap->blue) || - get_user(data, &cmap32->transp) || - put_user(compat_ptr(data), &cmap->transp)) - return -EFAULT; - - err = sys_ioctl(fd, cmd, (unsigned long) cmap); - - if (!err) { - if (copy_in_user(&cmap32->start, - &cmap->start, - 2 * sizeof(__u32))) - err = -EFAULT; - } - return err; -} - -static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, - struct fb_fix_screeninfo32 __user *fix32) -{ - __u32 data; - int err; - - err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id)); - - data = (__u32) (unsigned long) fix->smem_start; - err |= put_user(data, &fix32->smem_start); - - err |= put_user(fix->smem_len, &fix32->smem_len); - err |= put_user(fix->type, &fix32->type); - err |= put_user(fix->type_aux, &fix32->type_aux); - err |= put_user(fix->visual, &fix32->visual); - err |= put_user(fix->xpanstep, &fix32->xpanstep); - err |= put_user(fix->ypanstep, &fix32->ypanstep); - err |= put_user(fix->ywrapstep, &fix32->ywrapstep); - err |= put_user(fix->line_length, &fix32->line_length); - - data = (__u32) (unsigned long) fix->mmio_start; - err |= put_user(data, &fix32->mmio_start); - - err |= put_user(fix->mmio_len, &fix32->mmio_len); - err |= put_user(fix->accel, &fix32->accel); - err |= copy_to_user(fix32->reserved, fix->reserved, - sizeof(fix->reserved)); - - return err; -} - -static int fb_get_fscreeninfo(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - mm_segment_t old_fs; - struct fb_fix_screeninfo fix; - struct fb_fix_screeninfo32 __user *fix32; - int err; - - fix32 = compat_ptr(arg); - - old_fs = get_fs(); - set_fs(KERNEL_DS); - err = sys_ioctl(fd, cmd, (unsigned long) &fix); - set_fs(old_fs); - - if (!err) - err = do_fscreeninfo_to_user(&fix, fix32); - - return err; -} - -static int fb_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - int err; - - switch (cmd) { - case FBIOGET_FSCREENINFO: - err = fb_get_fscreeninfo(fd,cmd, arg); - break; - - case FBIOGETCMAP: - case FBIOPUTCMAP: - err = fb_getput_cmap(fd, cmd, arg); - break; - - default: - do { - static int count; - if (++count <= 20) - printk("%s: Unknown fb ioctl cmd fd(%d) " - "cmd(%08x) arg(%08lx)\n", - __FUNCTION__, fd, cmd, arg); - } while(0); - err = -ENOSYS; - break; - }; - - return err; -} - static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); @@ -2953,10 +2813,7 @@ HANDLE_IOCTL(BLKGETSIZE, w_long) HANDLE_IOCTL(0x1260, broken_blkgetsize) HANDLE_IOCTL(BLKFRAGET, w_long) HANDLE_IOCTL(BLKSECTGET, w_long) -HANDLE_IOCTL(FBIOGET_FSCREENINFO, fb_ioctl_trans) HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans) -HANDLE_IOCTL(FBIOGETCMAP, fb_ioctl_trans) -HANDLE_IOCTL(FBIOPUTCMAP, fb_ioctl_trans) HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans) -- cgit v1.2.3