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 and initialized only once. 50 * 51 * The use of these macros 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 #define ACPI_INIT_GLOBAL(a,b) a=b 57 #else 58 #define ACPI_EXTERN extern 59 #define ACPI_INIT_GLOBAL(a,b) a 60 #endif 61 62 /* 63 * Keep local copies of these FADT-based registers. NOTE: These globals 64 * are first in this file for alignment reasons on 64-bit systems. 65 */ 66 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; 67 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; 68 69 70 /***************************************************************************** 71 * 72 * Debug support 73 * 74 ****************************************************************************/ 75 76 /* Runtime configuration of debug print levels */ 77 78 extern u32 acpi_dbg_level; 79 extern u32 acpi_dbg_layer; 80 81 /* Procedure nesting level for debug output */ 82 83 extern u32 acpi_gbl_nesting_level; 84 85 86 /***************************************************************************** 87 * 88 * Runtime configuration (static defaults that can be overriden at runtime) 89 * 90 ****************************************************************************/ 91 92 /* 93 * Automatically serialize ALL control methods? Default is FALSE, meaning 94 * to use the Serialized/not_serialized method flags on a per method basis. 95 * Only change this if the ASL code is poorly written and cannot handle 96 * reentrancy even though methods are marked "not_serialized". 97 */ 98 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_all_methods_serialized, FALSE); 99 100 /* 101 * Create the predefined _OSI method in the namespace? Default is TRUE 102 * because ACPI CA is fully compatible with other ACPI implementations. 103 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior. 104 */ 105 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_create_osi_method, TRUE); 106 107 /* 108 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and 109 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only 110 * be enabled just before going to sleep. 111 */ 112 /* Set to FALSE in 2.4 because TRUE requires big ACPICA GPE fixes from 2.6. */ 113 ACPI_EXTERN u8 ACPI_INIT_GLOBAL (acpi_gbl_leave_wake_gpes_disabled, FALSE); 114 115 116 /***************************************************************************** 117 * 118 * ACPI Table globals 119 * 120 ****************************************************************************/ 121 122 /* 123 * Table pointers. 124 * Although these pointers are somewhat redundant with the global acpi_table, 125 * they are convenient because they are typed pointers. 126 * 127 * These tables are single-table only; meaning that there can be at most one 128 * of each in the system. Each global points to the actual table. 129 */ 130 ACPI_EXTERN u32 acpi_gbl_table_flags; 131 ACPI_EXTERN u32 acpi_gbl_rsdt_table_count; 132 ACPI_EXTERN struct rsdp_descriptor *acpi_gbl_RSDP; 133 ACPI_EXTERN XSDT_DESCRIPTOR *acpi_gbl_XSDT; 134 ACPI_EXTERN FADT_DESCRIPTOR *acpi_gbl_FADT; 135 ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT; 136 ACPI_EXTERN FACS_DESCRIPTOR *acpi_gbl_FACS; 137 ACPI_EXTERN struct acpi_common_facs acpi_gbl_common_fACS; 138 /* 139 * Since there may be multiple SSDTs and PSDTS, a single pointer is not 140 * sufficient; Therefore, there isn't one! 141 */ 142 143 144 /* 145 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths 146 * If we are running a method that exists in a 32-bit ACPI table. 147 * Use only 32 bits of the Integer for conversion. 148 */ 149 ACPI_EXTERN u8 acpi_gbl_integer_bit_width; 150 ACPI_EXTERN u8 acpi_gbl_integer_byte_width; 151 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width; 152 153 /* 154 * ACPI Table info arrays 155 */ 156 extern struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; 157 extern struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES]; 158 159 /* 160 * Predefined mutex objects. This array contains the 161 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs. 162 * (The table maps local handles to the real OS handles) 163 */ 164 ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[NUM_MUTEX]; 165 166 167 /***************************************************************************** 168 * 169 * Miscellaneous globals 170 * 171 ****************************************************************************/ 172 173 174 ACPI_EXTERN struct acpi_memory_list acpi_gbl_memory_lists[ACPI_NUM_MEM_LISTS]; 175 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; 176 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; 177 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; 178 ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk; 179 ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore; 180 181 ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count; 182 ACPI_EXTERN u32 acpi_gbl_original_mode; 183 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location; 184 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count; 185 ACPI_EXTERN u32 acpi_gbl_ps_find_count; 186 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save; 187 ACPI_EXTERN u16 acpi_gbl_next_table_owner_id; 188 ACPI_EXTERN u16 acpi_gbl_next_method_owner_id; 189 ACPI_EXTERN u16 acpi_gbl_global_lock_handle; 190 ACPI_EXTERN u8 acpi_gbl_debugger_configuration; 191 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired; 192 ACPI_EXTERN u8 acpi_gbl_step_to_next_call; 193 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; 194 ACPI_EXTERN u8 acpi_gbl_global_lock_present; 195 ACPI_EXTERN u8 acpi_gbl_events_initialized; 196 197 extern u8 acpi_gbl_shutdown; 198 extern u32 acpi_gbl_startup_flags; 199 extern const u8 acpi_gbl_decode_to8bit[8]; 200 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT]; 201 extern const char *acpi_gbl_highest_dstate_names[4]; 202 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES]; 203 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; 204 extern const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS]; 205 206 207 /***************************************************************************** 208 * 209 * Namespace globals 210 * 211 ****************************************************************************/ 212 213 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1 214 215 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 216 #define NUM_PREDEFINED_NAMES 10 217 #else 218 #define NUM_PREDEFINED_NAMES 9 219 #endif 220 221 ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct; 222 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node; 223 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device; 224 225 extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES]; 226 extern const struct acpi_predefined_names acpi_gbl_pre_defined_names [NUM_PREDEFINED_NAMES]; 227 228 #ifdef ACPI_DEBUG_OUTPUT 229 ACPI_EXTERN u32 acpi_gbl_current_node_count; 230 ACPI_EXTERN u32 acpi_gbl_current_node_size; 231 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count; 232 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer; 233 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer; 234 ACPI_EXTERN u32 acpi_gbl_deepest_nesting; 235 #endif 236 237 /***************************************************************************** 238 * 239 * Interpreter globals 240 * 241 ****************************************************************************/ 242 243 244 ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list; 245 246 /* Control method single step flag */ 247 248 ACPI_EXTERN u8 acpi_gbl_cm_single_step; 249 250 251 /***************************************************************************** 252 * 253 * Parser globals 254 * 255 ****************************************************************************/ 256 257 ACPI_EXTERN union acpi_parse_object *acpi_gbl_parsed_namespace_root; 258 259 /***************************************************************************** 260 * 261 * Hardware globals 262 * 263 ****************************************************************************/ 264 265 extern struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 266 ACPI_EXTERN u8 acpi_gbl_sleep_type_a; 267 ACPI_EXTERN u8 acpi_gbl_sleep_type_b; 268 269 270 /***************************************************************************** 271 * 272 * Event and GPE globals 273 * 274 ****************************************************************************/ 275 276 extern struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS]; 277 ACPI_EXTERN struct acpi_fixed_event_handler acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS]; 278 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; 279 ACPI_EXTERN struct acpi_gpe_block_info *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; 280 ACPI_EXTERN acpi_handle acpi_gbl_gpe_lock; 281 282 283 /***************************************************************************** 284 * 285 * Debugger globals 286 * 287 ****************************************************************************/ 288 289 290 ACPI_EXTERN u8 acpi_gbl_db_output_flags; 291 292 #ifdef ACPI_DISASSEMBLER 293 294 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm; 295 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose; 296 #endif 297 298 299 #ifdef ACPI_DEBUGGER 300 301 extern u8 acpi_gbl_method_executing; 302 extern u8 acpi_gbl_abort_method; 303 extern u8 acpi_gbl_db_terminate_threads; 304 305 ACPI_EXTERN int optind; 306 ACPI_EXTERN char *optarg; 307 308 ACPI_EXTERN u8 acpi_gbl_db_opt_tables; 309 ACPI_EXTERN u8 acpi_gbl_db_opt_stats; 310 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; 311 312 313 ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; 314 ACPI_EXTERN char acpi_gbl_db_line_buf[80]; 315 ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; 316 ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; 317 ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; 318 ACPI_EXTERN u8 acpi_gbl_db_output_to_file; 319 ACPI_EXTERN char *acpi_gbl_db_buffer; 320 ACPI_EXTERN char *acpi_gbl_db_filename; 321 ACPI_EXTERN u32 acpi_gbl_db_debug_level; 322 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level; 323 ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr; 324 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node; 325 326 /* 327 * Statistic globals 328 */ 329 ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX+1]; 330 ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX+1]; 331 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc; 332 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc; 333 ACPI_EXTERN u32 acpi_gbl_num_nodes; 334 ACPI_EXTERN u32 acpi_gbl_num_objects; 335 336 337 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree; 338 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees; 339 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries; 340 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; 341 342 #endif /* ACPI_DEBUGGER */ 343 344 345 #endif /* __ACGLOBAL_H__ */ 346