xref: /illumos-gate/usr/src/uts/intel/sys/obpdefs.h (revision cd277642e0bdc71a7f57c550df1279b0c091d6e2)
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 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_OBPDEFS_H
28 #define	_SYS_OBPDEFS_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * This file is intended as standalone inclusion by non-prom library
36  * functions that need it.
37  */
38 
39 typedef int	ihandle_t;		/* 1275 device instance number */
40 typedef int	phandle_t;		/* 1275 device tree node ptr */
41 typedef	phandle_t pnode_t;
42 
43 /*
44  * Device type matching
45  */
46 
47 #define	OBP_NONODE	((pnode_t)0)
48 #define	OBP_BADNODE	((pnode_t)-1)
49 
50 /*
51  * Property Defines
52  */
53 
54 #define	OBP_NAME		"name"
55 #define	OBP_REG			"reg"
56 #define	OBP_INTR		"intr"
57 #define	OBP_RANGES		"ranges"
58 #define	OBP_INTERRUPTS		"interrupts"
59 #define	OBP_COMPATIBLE		"compatible"
60 #define	OBP_STATUS		"status"
61 #define	OBP_BOARDNUM		"board#"
62 
63 #define	OBP_MAC_ADDR		"mac-address"
64 #define	OBP_STDINPATH		"stdin-path"
65 #define	OBP_STDOUTPATH		"stdout-path"
66 #define	OBP_IDPROM		"idprom"
67 
68 #define	OBP_DEVICETYPE		"device_type"
69 #define	OBP_DISPLAY		"display"
70 #define	OBP_NETWORK		"network"
71 #define	OBP_BYTE		"byte"
72 #define	OBP_BLOCK		"block"
73 #define	OBP_SERIAL		"serial"
74 #define	OBP_HIERARCHICAL	"hierarchical"
75 #define	OBP_CPU			"cpu"
76 #define	OBP_ADDRESS		"address"
77 
78 /*
79  * OBP status values defines
80  */
81 #define	OBP_ST_OKAY		"okay"
82 #define	OBP_ST_DISABLED		"disabled"
83 #define	OBP_ST_FAIL		"fail"
84 
85 /*
86  * Max size of a path component and a property name (not value)
87  * These are standard definitions.
88  */
89 #define	OBP_MAXDRVNAME		32	/* defined in P1275 */
90 #define	OBP_MAXPROPNAME		32	/* defined in P1275 */
91 
92 /*
93  *
94  * NB: Max pathname length is a platform-dependent parameter.
95  */
96 #define	OBP_MAXPATHLEN		256	/* Platform dependent */
97 
98 /*
99  *  Every OBP node must have a `/' followed by at least 2 chars,
100  *  so we can deduce the maxdepth of any OBP tree to be
101  *  OBP_MAXPATHNAME/3.  This is a good first swag.
102  */
103 
104 #define	OBP_STACKDEPTH		(OBP_MAXPATHLEN/3)
105 
106 #ifdef	__cplusplus
107 }
108 #endif
109 
110 #endif	/* _SYS_OBPDEFS_H */
111