release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/ide/ide-disk_ioctl.c

   1 #include <linux/kernel.h>
   2 #include <linux/ide.h>
   3 #include <linux/hdreg.h>
   4 #include <linux/smp_lock.h>
   5
   6 #include "ide-disk.h"
   7
   8 static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
   9 { HDIO_GET_ADDRESS,     HDIO_SET_ADDRESS,   &ide_devset_address   },
  10 { HDIO_GET_MULTCOUNT,   HDIO_SET_MULTCOUNT, &ide_devset_multcount },
  11 { HDIO_GET_NOWERR,      HDIO_SET_NOWERR,    &ide_devset_nowerr    },
  12 { HDIO_GET_WCACHE,      HDIO_SET_WCACHE,    &ide_devset_wcache    },
  13 { HDIO_GET_ACOUSTIC,    HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },
  14 { 0 }
  15 };
  16
  17 int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
  18                    unsigned int cmd, unsigned long arg)
  19 {
  20         int err;
  21
  22         lock_kernel();
  23         err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
  24         if (err != -EOPNOTSUPP)
  25                 goto out;
  26
  27         err = generic_ide_ioctl(drive, bdev, cmd, arg);
  28 out:
  29         unlock_kernel();
  30         return err;
  31 }