drivers/ide/ide-disk_ioctl.c

   1 #include <linux/kernel.h>
   2 #include <linux/ide.h>
   3 #include <linux/hdreg.h>
   4
   5 #include "ide-disk.h"
   6
   7 static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
   8 { HDIO_GET_ADDRESS,     HDIO_SET_ADDRESS,   &ide_devset_address   },
   9 { HDIO_GET_MULTCOUNT,   HDIO_SET_MULTCOUNT, &ide_devset_multcount },
  10 { HDIO_GET_NOWERR,      HDIO_SET_NOWERR,    &ide_devset_nowerr    },
  11 { HDIO_GET_WCACHE,      HDIO_SET_WCACHE,    &ide_devset_wcache    },
  12 { HDIO_GET_ACOUSTIC,    HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },
  13 { 0 }
  14 };
  15
  16 int ide_disk_ioctl(struct inode *inode, struct file *file,
  17                    unsigned int cmd, unsigned long arg)
  18 {
  19         struct block_device *bdev = inode->i_bdev;
  20         struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
  21         ide_drive_t *drive = idkp->drive;
  22         int err;
  23
  24         err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
  25         if (err != -EOPNOTSUPP)
  26                 return err;
  27
  28         return generic_ide_ioctl(drive, file, bdev, cmd, arg);
  29 }