usr/src/sys/sparc/include/openpromio.h

/*
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * All advertising materials mentioning features or use of this software
 * must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Lawrence Berkeley Laboratory.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)openpromio.h        7.1 (Berkeley) %G%
 *
 * from: $Header: openpromio.h,v 1.2 93/04/20 11:14:46 torek Exp $
 */

struct opiocdesc {
        int     op_nodeid;              /* passed or returned node id */
        int     op_namelen;             /* length of op_name */
        char    *op_name;               /* pointer to field name */
        int     op_buflen;              /* length of op_buf (value-result) */
        char    *op_buf;                /* pointer to field value */
};

#define OPIOCGET        _IOWR('O', 1, struct opiocdesc) /* get openprom field */
#define OPIOCSET        _IOW('O', 2, struct opiocdesc) /* set openprom field */
#define OPIOCNEXTPROP   _IOWR('O', 3, struct opiocdesc) /* get next property */
#define OPIOCGETOPTNODE _IOR('O', 4, int)       /* get openprom field */
#define OPIOCGETNEXT    _IOWR('O', 5, int)      /* get next node of node */
#define OPIOCGETCHILD   _IOWR('O', 6, int)      /* get first child of node */