xref: /onnv-gate/usr/src/uts/intel/sys/prom_emul.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1995-1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef	_SYS_PROM_EMUL_H
28*0Sstevel@tonic-gate #define	_SYS_PROM_EMUL_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * The following structure describes a property attached to a node
38*0Sstevel@tonic-gate  * in the in-kernel copy of the PROM device tree.
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate struct prom_prop {
41*0Sstevel@tonic-gate 	struct prom_prop *pp_next;
42*0Sstevel@tonic-gate 	char		 *pp_name;
43*0Sstevel@tonic-gate 	int		 pp_len;
44*0Sstevel@tonic-gate 	void		 *pp_val;
45*0Sstevel@tonic-gate };
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate  * The following structure describes a node in the in-kernel copy
49*0Sstevel@tonic-gate  * of the PROM device tree.
50*0Sstevel@tonic-gate  */
51*0Sstevel@tonic-gate struct prom_node {
52*0Sstevel@tonic-gate 	dnode_t	pn_nodeid;
53*0Sstevel@tonic-gate 	struct prom_prop *pn_propp;
54*0Sstevel@tonic-gate 	struct prom_node *pn_child;
55*0Sstevel@tonic-gate 	struct prom_node *pn_sibling;
56*0Sstevel@tonic-gate };
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate typedef struct prom_node prom_node_t;
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate  * These are promif emulation functions, intended only for promif use
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate extern void promif_create_device_tree(void);
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate extern dnode_t promif_findnode_byname(dnode_t n, char *name);
66*0Sstevel@tonic-gate extern dnode_t promif_nextnode(dnode_t n);
67*0Sstevel@tonic-gate extern dnode_t promif_childnode(dnode_t n);
68*0Sstevel@tonic-gate 
69*0Sstevel@tonic-gate extern int promif_getproplen(dnode_t n, char *name);
70*0Sstevel@tonic-gate extern int promif_getprop(dnode_t n,  char *name, void *value);
71*0Sstevel@tonic-gate extern int promif_bounded_getprop(dnode_t, char *name, void *value, int len);
72*0Sstevel@tonic-gate char *promif_nextprop(dnode_t n, char *previous, char *next);
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * XXX: The following functions are unsafe and unecessary, and should be
76*0Sstevel@tonic-gate  * XXX: removed. OS created nodes belong in the OS copy of the device tree.
77*0Sstevel@tonic-gate  * XXX: The OS should not be creating nodes in the prom's device tree!
78*0Sstevel@tonic-gate  */
79*0Sstevel@tonic-gate extern dnode_t promif_add_child(dnode_t parent, dnode_t child, char *name);
80*0Sstevel@tonic-gate extern void promif_create_prop_external(dnode_t, char *name, void *, int);
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate #ifdef	__cplusplus
83*0Sstevel@tonic-gate }
84*0Sstevel@tonic-gate #endif
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate #endif /* _SYS_PROM_EMUL_H */
87