ia64/xen-unstable

view xen/include/acpi/acconfig.h @ 9372:fcef620a859c

'permitted_clock_jitter' units are nanoseconds not microseconds.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Tue Mar 21 15:10:26 2006 +0100 (2006-03-21)
parents ddd290cc8f0d
children 13cba2e78a65
line source
1 /******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
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 */
44 #ifndef _ACCONFIG_H
45 #define _ACCONFIG_H
48 /******************************************************************************
49 *
50 * Configuration options
51 *
52 *****************************************************************************/
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 */
65 /* Version string */
67 #define ACPI_CA_VERSION 0x20050211
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"
79 /* Maximum objects in the various object caches */
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 */
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
94 /******************************************************************************
95 *
96 * Subsystem Constants
97 *
98 *****************************************************************************/
100 /* Version of ACPI supported */
102 #define ACPI_CA_SUPPORT_LEVEL 3
104 /* String size constants */
106 #define ACPI_MAX_STRING_LENGTH 512
107 #define ACPI_PATHNAME_MAX 256 /* A full namespace pathname */
109 /* Maximum count for a semaphore object */
111 #define ACPI_MAX_SEMAPHORE_COUNT 256
113 /* Max reference count (for debug only) */
115 #define ACPI_MAX_REFERENCE_COUNT 0x400
117 /* Size of cached memory mapping for system memory operation region */
119 #define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096
122 /******************************************************************************
123 *
124 * ACPI Specification constants (Do not change unless the specification changes)
125 *
126 *****************************************************************************/
128 /* Number of distinct GPE register blocks and register width */
130 #define ACPI_MAX_GPE_BLOCKS 2
131 #define ACPI_GPE_REGISTER_WIDTH 8
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
139 #define ACPI_METHOD_NUM_ARGS 7
140 #define ACPI_METHOD_MAX_ARG 6
142 /* Maximum length of resulting string when converting from a buffer */
144 #define ACPI_MAX_STRING_CONVERSION 200
146 /* Length of _HID, _UID, and _CID values */
148 #define ACPI_DEVICE_ID_LENGTH 0x09
149 #define ACPI_MAX_CID_LENGTH 48
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
157 /* Names within the namespace are 4 bytes long */
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 '.'
163 /* Constants used in searching for the RSDP in low memory */
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
172 /* Operation regions */
174 #define ACPI_NUM_PREDEFINED_REGIONS 8
175 #define ACPI_USER_REGION_BEGIN 0x80
177 /* Maximum space_ids for Operation Regions */
179 #define ACPI_MAX_ADDRESS_SPACE 255
181 /* Array sizes. Used for range checking also */
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
190 /* RSDP checksums */
192 #define ACPI_RSDP_CHECKSUM_LENGTH 20
193 #define ACPI_RSDP_XCHECKSUM_LENGTH 36
195 /* SMBus bidirectional buffer size */
197 #define ACPI_SMBUS_BUFFER_SIZE 34
199 /* Number of strings associated with the _OSI reserved method */
201 #define ACPI_NUM_OSI_STRINGS 9
204 /******************************************************************************
205 *
206 * ACPI AML Debugger
207 *
208 *****************************************************************************/
210 #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
212 #define ACPI_DEBUGGER_COMMAND_PROMPT '-'
213 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
216 #endif /* _ACCONFIG_H */