xref: /onnv-gate/usr/src/uts/intel/sys/prom_emul.h (revision 789:b348f31ed315)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
23*789Sahrens  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*789Sahrens  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #ifndef	_SYS_PROM_EMUL_H
280Sstevel@tonic-gate #define	_SYS_PROM_EMUL_H
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
310Sstevel@tonic-gate 
320Sstevel@tonic-gate #ifdef	__cplusplus
330Sstevel@tonic-gate extern "C" {
340Sstevel@tonic-gate #endif
350Sstevel@tonic-gate 
360Sstevel@tonic-gate /*
370Sstevel@tonic-gate  * The following structure describes a property attached to a node
380Sstevel@tonic-gate  * in the in-kernel copy of the PROM device tree.
390Sstevel@tonic-gate  */
400Sstevel@tonic-gate struct prom_prop {
410Sstevel@tonic-gate 	struct prom_prop *pp_next;
420Sstevel@tonic-gate 	char		 *pp_name;
430Sstevel@tonic-gate 	int		 pp_len;
440Sstevel@tonic-gate 	void		 *pp_val;
450Sstevel@tonic-gate };
460Sstevel@tonic-gate 
470Sstevel@tonic-gate /*
480Sstevel@tonic-gate  * The following structure describes a node in the in-kernel copy
490Sstevel@tonic-gate  * of the PROM device tree.
500Sstevel@tonic-gate  */
510Sstevel@tonic-gate struct prom_node {
52*789Sahrens 	pnode_t	pn_nodeid;
530Sstevel@tonic-gate 	struct prom_prop *pn_propp;
540Sstevel@tonic-gate 	struct prom_node *pn_child;
550Sstevel@tonic-gate 	struct prom_node *pn_sibling;
560Sstevel@tonic-gate };
570Sstevel@tonic-gate 
580Sstevel@tonic-gate typedef struct prom_node prom_node_t;
590Sstevel@tonic-gate 
600Sstevel@tonic-gate /*
610Sstevel@tonic-gate  * These are promif emulation functions, intended only for promif use
620Sstevel@tonic-gate  */
630Sstevel@tonic-gate extern void promif_create_device_tree(void);
640Sstevel@tonic-gate 
65*789Sahrens extern pnode_t promif_findnode_byname(pnode_t n, char *name);
66*789Sahrens extern pnode_t promif_nextnode(pnode_t n);
67*789Sahrens extern pnode_t promif_childnode(pnode_t n);
680Sstevel@tonic-gate 
69*789Sahrens extern int promif_getproplen(pnode_t n, char *name);
70*789Sahrens extern int promif_getprop(pnode_t n,  char *name, void *value);
71*789Sahrens extern int promif_bounded_getprop(pnode_t, char *name, void *value, int len);
72*789Sahrens char *promif_nextprop(pnode_t n, char *previous, char *next);
730Sstevel@tonic-gate 
740Sstevel@tonic-gate /*
750Sstevel@tonic-gate  * XXX: The following functions are unsafe and unecessary, and should be
760Sstevel@tonic-gate  * XXX: removed. OS created nodes belong in the OS copy of the device tree.
770Sstevel@tonic-gate  * XXX: The OS should not be creating nodes in the prom's device tree!
780Sstevel@tonic-gate  */
79*789Sahrens extern pnode_t promif_add_child(pnode_t parent, pnode_t child, char *name);
80*789Sahrens extern void promif_create_prop_external(pnode_t, char *name, void *, int);
810Sstevel@tonic-gate 
820Sstevel@tonic-gate #ifdef	__cplusplus
830Sstevel@tonic-gate }
840Sstevel@tonic-gate #endif
850Sstevel@tonic-gate 
860Sstevel@tonic-gate #endif /* _SYS_PROM_EMUL_H */
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