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