source: trunk/packages/xen-3.1/xen-3.1/xen/include/acpi/acconfig.h @ 34

Last change on this file since 34 was 34, checked in by hartmans, 18 years ago

Add xen and xen-common

File size: 7.4 KB
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1/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#ifndef _ACCONFIG_H
45#define _ACCONFIG_H
46
47
48/******************************************************************************
49 *
50 * Configuration options
51 *
52 *****************************************************************************/
53
54/*
55 * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
56 *                        ACPI subsystem.  This includes the DEBUG_PRINT output
57 *                        statements.  When disabled, all DEBUG_PRINT
58 *                        statements are compiled out.
59 *
60 * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
61 *                        at the application level.
62 *
63 */
64
65/* Version string */
66
67#define ACPI_CA_VERSION                 0x20050211
68
69/*
70 * OS name, used for the _OS object.  The _OS object is essentially obsolete,
71 * but there is a large base of ASL/AML code in existing machines that check
72 * for the string below.  The use of this string usually guarantees that
73 * the ASL will execute down the most tested code path.  Also, there is some
74 * code that will not execute the _OSI method unless _OS matches the string
75 * below.  Therefore, change this string at your own risk.
76 */
77#define ACPI_OS_NAME                    "Microsoft Windows NT"
78
79/* Maximum objects in the various object caches */
80
81#define ACPI_MAX_STATE_CACHE_DEPTH      64          /* State objects */
82#define ACPI_MAX_PARSE_CACHE_DEPTH      96          /* Parse tree objects */
83#define ACPI_MAX_EXTPARSE_CACHE_DEPTH   64          /* Parse tree objects */
84#define ACPI_MAX_OBJECT_CACHE_DEPTH     64          /* Interpreter operand objects */
85#define ACPI_MAX_WALK_CACHE_DEPTH       4           /* Objects for parse tree walks */
86
87/*
88 * Should the subystem abort the loading of an ACPI table if the
89 * table checksum is incorrect?
90 */
91#define ACPI_CHECKSUM_ABORT             FALSE
92
93
94/******************************************************************************
95 *
96 * Subsystem Constants
97 *
98 *****************************************************************************/
99
100/* Version of ACPI supported */
101
102#define ACPI_CA_SUPPORT_LEVEL           3
103
104/* String size constants */
105
106#define ACPI_MAX_STRING_LENGTH          512
107#define ACPI_PATHNAME_MAX               256         /* A full namespace pathname */
108
109/* Maximum count for a semaphore object */
110
111#define ACPI_MAX_SEMAPHORE_COUNT        256
112
113/* Max reference count (for debug only) */
114
115#define ACPI_MAX_REFERENCE_COUNT        0x400
116
117/* Size of cached memory mapping for system memory operation region */
118
119#define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096
120
121
122/******************************************************************************
123 *
124 * ACPI Specification constants (Do not change unless the specification changes)
125 *
126 *****************************************************************************/
127
128/* Number of distinct GPE register blocks and register width */
129
130#define ACPI_MAX_GPE_BLOCKS             2
131#define ACPI_GPE_REGISTER_WIDTH         8
132
133/*
134 * Method info (in WALK_STATE), containing local variables and argumetns
135 */
136#define ACPI_METHOD_NUM_LOCALS          8
137#define ACPI_METHOD_MAX_LOCAL           7
138
139#define ACPI_METHOD_NUM_ARGS            7
140#define ACPI_METHOD_MAX_ARG             6
141
142/* Maximum length of resulting string when converting from a buffer */
143
144#define ACPI_MAX_STRING_CONVERSION      200
145
146/* Length of _HID, _UID, and _CID values */
147
148#define ACPI_DEVICE_ID_LENGTH           0x09
149#define ACPI_MAX_CID_LENGTH             48
150
151/*
152 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
153 */
154#define ACPI_OBJ_NUM_OPERANDS           8
155#define ACPI_OBJ_MAX_OPERAND            7
156
157/* Names within the namespace are 4 bytes long */
158
159#define ACPI_NAME_SIZE                  4
160#define ACPI_PATH_SEGMENT_LENGTH        5           /* 4 chars for name + 1 char for separator */
161#define ACPI_PATH_SEPARATOR             '.'
162
163/* Constants used in searching for the RSDP in low memory */
164
165#define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
166#define ACPI_EBDA_PTR_LENGTH            2
167#define ACPI_EBDA_WINDOW_SIZE           1024
168#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
169#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
170#define ACPI_RSDP_SCAN_STEP             16
171
172/* Operation regions */
173
174#define ACPI_NUM_PREDEFINED_REGIONS     8
175#define ACPI_USER_REGION_BEGIN          0x80
176
177/* Maximum space_ids for Operation Regions */
178
179#define ACPI_MAX_ADDRESS_SPACE          255
180
181/* Array sizes.  Used for range checking also */
182
183#define ACPI_NUM_ACCESS_TYPES           6
184#define ACPI_NUM_UPDATE_RULES           3
185#define ACPI_NUM_LOCK_RULES             2
186#define ACPI_NUM_MATCH_OPS              6
187#define ACPI_NUM_OPCODES                256
188#define ACPI_NUM_FIELD_NAMES            2
189
190/* RSDP checksums */
191
192#define ACPI_RSDP_CHECKSUM_LENGTH       20
193#define ACPI_RSDP_XCHECKSUM_LENGTH      36
194
195/* SMBus bidirectional buffer size */
196
197#define ACPI_SMBUS_BUFFER_SIZE          34
198
199/* Number of strings associated with the _OSI reserved method */
200
201#define ACPI_NUM_OSI_STRINGS            9
202
203
204/******************************************************************************
205 *
206 * ACPI AML Debugger
207 *
208 *****************************************************************************/
209
210#define ACPI_DEBUGGER_MAX_ARGS          8  /* Must be max method args + 1 */
211
212#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
213#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
214
215
216#endif /* _ACCONFIG_H */
217
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