ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.6.tar.bz2
[linux-2.6.git] / include / acpi / acglobal.h
1 /******************************************************************************
2  *
3  * Name: acglobal.h - Declarations for global variables
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2004, 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 __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
46
47
48 /*
49  * Ensure that the globals are actually defined only once.
50  *
51  * The use of these defines allows a single list of globals (here) in order
52  * to simplify maintenance of the code.
53  */
54 #ifdef DEFINE_ACPI_GLOBALS
55 #define ACPI_EXTERN
56 #else
57 #define ACPI_EXTERN extern
58 #endif
59
60 /*
61  * Keep local copies of these FADT-based registers.  NOTE: These globals
62  * are first in this file for alignment reasons on 64-bit systems.
63  */
64 ACPI_EXTERN struct acpi_generic_address         acpi_gbl_xpm1a_enable;
65 ACPI_EXTERN struct acpi_generic_address         acpi_gbl_xpm1b_enable;
66
67 /*****************************************************************************
68  *
69  * Debug support
70  *
71  ****************************************************************************/
72
73 /* Runtime configuration of debug print levels */
74
75 extern      u32                                 acpi_dbg_level;
76 extern      u32                                 acpi_dbg_layer;
77
78 /* Procedure nesting level for debug output */
79
80 extern      u32                                 acpi_gbl_nesting_level;
81
82 /*****************************************************************************
83  *
84  * Runtime configuration
85  *
86  ****************************************************************************/
87
88 ACPI_EXTERN u8                                  acpi_gbl_create_osi_method;
89 ACPI_EXTERN u8                                  acpi_gbl_all_methods_serialized;
90 ACPI_EXTERN u8                                  acpi_gbl_leave_wake_gpes_disabled;
91
92 /*****************************************************************************
93  *
94  * ACPI Table globals
95  *
96  ****************************************************************************/
97
98 /*
99  * Table pointers.
100  * Although these pointers are somewhat redundant with the global acpi_table,
101  * they are convenient because they are typed pointers.
102  *
103  * These tables are single-table only; meaning that there can be at most one
104  * of each in the system.  Each global points to the actual table.
105  *
106  */
107 ACPI_EXTERN u32                                 acpi_gbl_table_flags;
108 ACPI_EXTERN u32                                 acpi_gbl_rsdt_table_count;
109 ACPI_EXTERN struct rsdp_descriptor             *acpi_gbl_RSDP;
110 ACPI_EXTERN XSDT_DESCRIPTOR            *acpi_gbl_XSDT;
111 ACPI_EXTERN FADT_DESCRIPTOR            *acpi_gbl_FADT;
112 ACPI_EXTERN struct acpi_table_header           *acpi_gbl_DSDT;
113 ACPI_EXTERN FACS_DESCRIPTOR            *acpi_gbl_FACS;
114 ACPI_EXTERN struct acpi_common_facs             acpi_gbl_common_fACS;
115 /*
116  * Since there may be multiple SSDTs and PSDTS, a single pointer is not
117  * sufficient; Therefore, there isn't one!
118  */
119
120
121 /*
122  * Handle both ACPI 1.0 and ACPI 2.0 Integer widths
123  * If we are running a method that exists in a 32-bit ACPI table.
124  * Use only 32 bits of the Integer for conversion.
125  */
126 ACPI_EXTERN u8                                  acpi_gbl_integer_bit_width;
127 ACPI_EXTERN u8                                  acpi_gbl_integer_byte_width;
128 ACPI_EXTERN u8                                  acpi_gbl_integer_nybble_width;
129
130 /*
131  * ACPI Table info arrays
132  */
133 extern      struct acpi_table_list              acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES];
134 extern      struct acpi_table_support           acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES];
135
136 /*
137  * Predefined mutex objects.  This array contains the
138  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
139  * (The table maps local handles to the real OS handles)
140  */
141 ACPI_EXTERN struct acpi_mutex_info              acpi_gbl_mutex_info[NUM_MUTEX];
142
143
144 /*****************************************************************************
145  *
146  * Miscellaneous globals
147  *
148  ****************************************************************************/
149
150
151 ACPI_EXTERN struct acpi_memory_list             acpi_gbl_memory_lists[ACPI_NUM_MEM_LISTS];
152 ACPI_EXTERN struct acpi_object_notify_handler   acpi_gbl_device_notify;
153 ACPI_EXTERN struct acpi_object_notify_handler   acpi_gbl_system_notify;
154 ACPI_EXTERN acpi_init_handler                   acpi_gbl_init_handler;
155 ACPI_EXTERN struct acpi_walk_state             *acpi_gbl_breakpoint_walk;
156 ACPI_EXTERN acpi_handle                         acpi_gbl_global_lock_semaphore;
157
158 ACPI_EXTERN u32                                 acpi_gbl_global_lock_thread_count;
159 ACPI_EXTERN u32                                 acpi_gbl_original_mode;
160 ACPI_EXTERN u32                                 acpi_gbl_rsdp_original_location;
161 ACPI_EXTERN u32                                 acpi_gbl_ns_lookup_count;
162 ACPI_EXTERN u32                                 acpi_gbl_ps_find_count;
163 ACPI_EXTERN u16                                 acpi_gbl_pm1_enable_register_save;
164 ACPI_EXTERN u16                                 acpi_gbl_next_table_owner_id;
165 ACPI_EXTERN u16                                 acpi_gbl_next_method_owner_id;
166 ACPI_EXTERN u16                                 acpi_gbl_global_lock_handle;
167 ACPI_EXTERN u8                                  acpi_gbl_debugger_configuration;
168 ACPI_EXTERN u8                                  acpi_gbl_global_lock_acquired;
169 ACPI_EXTERN u8                                  acpi_gbl_step_to_next_call;
170 ACPI_EXTERN u8                                  acpi_gbl_acpi_hardware_present;
171 ACPI_EXTERN u8                                  acpi_gbl_global_lock_present;
172 ACPI_EXTERN u8                                  acpi_gbl_events_initialized;
173
174 extern u8                                       acpi_gbl_shutdown;
175 extern u32                                      acpi_gbl_startup_flags;
176 extern const u8                                 acpi_gbl_decode_to8bit[8];
177 extern const char                              *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
178 extern const char                              *acpi_gbl_highest_dstate_names[4];
179 extern const struct acpi_opcode_info            acpi_gbl_aml_op_info[AML_NUM_OPCODES];
180 extern const char                              *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
181 extern const char                              *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS];
182
183
184 /*****************************************************************************
185  *
186  * Namespace globals
187  *
188  ****************************************************************************/
189
190 #define NUM_NS_TYPES                    ACPI_TYPE_INVALID+1
191
192 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
193 #define NUM_PREDEFINED_NAMES            10
194 #else
195 #define NUM_PREDEFINED_NAMES            9
196 #endif
197
198 ACPI_EXTERN struct acpi_namespace_node          acpi_gbl_root_node_struct;
199 ACPI_EXTERN struct acpi_namespace_node         *acpi_gbl_root_node;
200 ACPI_EXTERN struct acpi_namespace_node         *acpi_gbl_fadt_gpe_device;
201
202 extern const u8                                 acpi_gbl_ns_properties[NUM_NS_TYPES];
203 extern const struct acpi_predefined_names       acpi_gbl_pre_defined_names [NUM_PREDEFINED_NAMES];
204
205 #ifdef ACPI_DEBUG_OUTPUT
206 ACPI_EXTERN u32                                 acpi_gbl_current_node_count;
207 ACPI_EXTERN u32                                 acpi_gbl_current_node_size;
208 ACPI_EXTERN u32                                 acpi_gbl_max_concurrent_node_count;
209 ACPI_EXTERN acpi_size                           acpi_gbl_entry_stack_pointer;
210 ACPI_EXTERN acpi_size                           acpi_gbl_lowest_stack_pointer;
211 ACPI_EXTERN u32                                 acpi_gbl_deepest_nesting;
212 #endif
213
214 /*****************************************************************************
215  *
216  * Interpreter globals
217  *
218  ****************************************************************************/
219
220
221 ACPI_EXTERN struct acpi_thread_state           *acpi_gbl_current_walk_list;
222
223 /* Control method single step flag */
224
225 ACPI_EXTERN u8                                  acpi_gbl_cm_single_step;
226
227
228 /*****************************************************************************
229  *
230  * Parser globals
231  *
232  ****************************************************************************/
233
234 ACPI_EXTERN union acpi_parse_object            *acpi_gbl_parsed_namespace_root;
235
236 /*****************************************************************************
237  *
238  * Hardware globals
239  *
240  ****************************************************************************/
241
242 extern      struct acpi_bit_register_info       acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
243 ACPI_EXTERN u8                                  acpi_gbl_sleep_type_a;
244 ACPI_EXTERN u8                                  acpi_gbl_sleep_type_b;
245
246
247 /*****************************************************************************
248  *
249  * Event and GPE globals
250  *
251  ****************************************************************************/
252
253 extern      struct acpi_fixed_event_info        acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
254 ACPI_EXTERN struct acpi_fixed_event_handler     acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
255 ACPI_EXTERN struct acpi_gpe_xrupt_info         *acpi_gbl_gpe_xrupt_list_head;
256 ACPI_EXTERN struct acpi_gpe_block_info         *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
257 ACPI_EXTERN acpi_handle                         acpi_gbl_gpe_lock;
258
259
260 /*****************************************************************************
261  *
262  * Debugger globals
263  *
264  ****************************************************************************/
265
266
267 ACPI_EXTERN u8                                  acpi_gbl_db_output_flags;
268
269 #ifdef ACPI_DISASSEMBLER
270
271 ACPI_EXTERN u8                                  acpi_gbl_db_opt_disasm;
272 ACPI_EXTERN u8                                  acpi_gbl_db_opt_verbose;
273 #endif
274
275
276 #ifdef ACPI_DEBUGGER
277
278 extern      u8                                  acpi_gbl_method_executing;
279 extern      u8                                  acpi_gbl_abort_method;
280 extern      u8                                  acpi_gbl_db_terminate_threads;
281
282 ACPI_EXTERN int                                 optind;
283 ACPI_EXTERN char                               *optarg;
284
285 ACPI_EXTERN u8                                  acpi_gbl_db_opt_tables;
286 ACPI_EXTERN u8                                  acpi_gbl_db_opt_stats;
287 ACPI_EXTERN u8                                  acpi_gbl_db_opt_ini_methods;
288
289
290 ACPI_EXTERN char                               *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
291 ACPI_EXTERN char                                acpi_gbl_db_line_buf[80];
292 ACPI_EXTERN char                                acpi_gbl_db_parsed_buf[80];
293 ACPI_EXTERN char                                acpi_gbl_db_scope_buf[40];
294 ACPI_EXTERN char                                acpi_gbl_db_debug_filename[40];
295 ACPI_EXTERN u8                                  acpi_gbl_db_output_to_file;
296 ACPI_EXTERN char                               *acpi_gbl_db_buffer;
297 ACPI_EXTERN char                               *acpi_gbl_db_filename;
298 ACPI_EXTERN u32                                 acpi_gbl_db_debug_level;
299 ACPI_EXTERN u32                                 acpi_gbl_db_console_debug_level;
300 ACPI_EXTERN struct acpi_table_header           *acpi_gbl_db_table_ptr;
301 ACPI_EXTERN struct acpi_namespace_node         *acpi_gbl_db_scope_node;
302
303 /*
304  * Statistic globals
305  */
306 ACPI_EXTERN u16                                 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX+1];
307 ACPI_EXTERN u16                                 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX+1];
308 ACPI_EXTERN u16                                 acpi_gbl_obj_type_count_misc;
309 ACPI_EXTERN u16                                 acpi_gbl_node_type_count_misc;
310 ACPI_EXTERN u32                                 acpi_gbl_num_nodes;
311 ACPI_EXTERN u32                                 acpi_gbl_num_objects;
312
313
314 ACPI_EXTERN u32                                 acpi_gbl_size_of_parse_tree;
315 ACPI_EXTERN u32                                 acpi_gbl_size_of_method_trees;
316 ACPI_EXTERN u32                                 acpi_gbl_size_of_node_entries;
317 ACPI_EXTERN u32                                 acpi_gbl_size_of_acpi_objects;
318
319 #endif /* ACPI_DEBUGGER */
320
321
322 #endif /* __ACGLOBAL_H__ */