DIOC
#define DIOCGETC (DIOC|1)
#define DIOCGETB (DIOC|2)
#define DIOCSETE (DIOC|3)
#define DIOCGETC (DIOC|1)
#define DIOCGETB (DIOC|2)
#define DIOCSETE (DIOC|3)
#define DIOCGETP (DIOC|8) /* V7 */
#define DIOCSETP (DIOC|9) /* V7 */
#define DKIOCGMPINFO (DIOC | 90) /* struct dk_mpinfo Get mp info */
#define DKIOCGMPSTATE (DIOC | 91) /* struct dk_gmpstate Get mp state */
#define DKIOCSMPSTATE (DIOC | 92) /* struct dk_smpstate Set mp state */
#define DKIOCGSTATUS (DIOC | 93) /* struct dk_mpdrv_status Get drv status */
#define DKIOCGMPFLAGS (DIOC | 94) /* struct dk_mpflags Get mp flags */
#define DKIOCSMPFLAGS (DIOC | 95) /* struct dk_mpflags Set mp flags */
#define DKIOCSMPCMD (DIOC | 96) /* struct dk_mpcmd Set generic mp cmd */