OIOC
#define OPROMGETOPT (OIOC | 1)
#define OPROMSETOPT (OIOC | 2)
#define OPROMNXTOPT (OIOC | 3)
#define OPROMSETOPT2 (OIOC | 4) /* working OPROMSETOPT */
#define OPROMNEXT (OIOC | 5) /* interface to raw config_ops */
#define OPROMCHILD (OIOC | 6) /* interface to raw config_ops */
#define OPROMGETPROP (OIOC | 7) /* interface to raw config_ops */
#define OPROMNXTPROP (OIOC | 8) /* interface to raw config_ops */
#define OPROMU2P (OIOC | 9) /* NOT SUPPORTED after 4.x */
#define OPROMGETCONS (OIOC | 10) /* enquire which console device */
#define OPROMGETFBNAME (OIOC | 11) /* Frame buffer OBP pathname */
#define OPROMGETBOOTARGS (OIOC | 12) /* Get boot arguments */
#define OPROMGETVERSION (OIOC | 13) /* Get OpenProm Version string */
#define OPROMPATH2DRV (OIOC | 14) /* Convert prom path to driver name */
#define OPROMDEV2PROMNAME (OIOC | 15) /* Convert devfs path to prom path */
#define OPROMPROM2DEVNAME (OIOC | 16) /* Convert devfs path to prom path */
#define OPROMGETPROPLEN (OIOC | 17) /* interface to raw config_ops */
#define OPROMREADY64 (OIOC | 18) /* DEPRECATED is prom 64-bit ready? */
#define OPROMSETNODEID (OIOC | 19) /* set current node_id */
#define OPROMSNAPSHOT (OIOC | 20) /* create a snapshot */
#define OPROMCOPYOUT (OIOC | 21) /* copyout and free snapshot */
#define OPROMLISTKEYS (OIOC | 22) /* asr-list-keys */
#define OPROMLISTKEYSLEN (OIOC | 23) /* asr-list-keys-len */
#define OPROMEXPORT (OIOC | 24) /* asr-export */
#define OPROMEXPORTLEN (OIOC | 25) /* asr-export-len */
#define OPROMGETBOOTPATH (OIOC | 26) /* Get bootpath */