drivers/bus/acpi/include/acglobal.h

   1 /******************************************************************************
   2  *
   3  * Name: acglobal.h - Declarations for global variables
   4  *       $Revision$
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  *  Copyright (C) 2000, 2001 R. Byron Moore
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #ifndef __ACGLOBAL_H__
  27 #define __ACGLOBAL_H__
  28
  29
  30 /*
  31  * Ensure that the globals are actually defined only once.
  32  *
  33  * The use of these defines allows a single list of globals (here) in order
  34  * to simplify maintenance of the code.
  35  */
  36 #ifdef DEFINE_ACPI_GLOBALS
  37 #define ACPI_EXTERN
  38 #else
  39 #define ACPI_EXTERN extern
  40 #endif
  41
  42
  43 extern      NATIVE_CHAR                 *msg_acpi_error_break;
  44
  45 /*****************************************************************************
  46  *
  47  * Debug support
  48  *
  49  ****************************************************************************/
  50
  51 /* Runtime configuration of debug print levels */
  52
  53 extern      u32                         acpi_dbg_level;
  54 extern      u32                         acpi_dbg_layer;
  55
  56
  57 /* Procedure nesting level for debug output */
  58
  59 extern      u32                         acpi_gbl_nesting_level;
  60
  61
  62 /*****************************************************************************
  63  *
  64  * ACPI Table globals
  65  *
  66  ****************************************************************************/
  67
  68 /*
  69  * Table pointers.
  70  * Although these pointers are somewhat redundant with the global Acpi_table,
  71  * they are convenient because they are typed pointers.
  72  *
  73  * These tables are single-table only; meaning that there can be at most one
  74  * of each in the system.  Each global points to the actual table.
  75  *
  76  */
  77 ACPI_EXTERN RSDP_DESCRIPTOR             *acpi_gbl_RSDP;
  78 ACPI_EXTERN XSDT_DESCRIPTOR             *acpi_gbl_XSDT;
  79 ACPI_EXTERN FADT_DESCRIPTOR             *acpi_gbl_FADT;
  80 ACPI_EXTERN ACPI_TABLE_HEADER           *acpi_gbl_DSDT;
  81 ACPI_EXTERN ACPI_COMMON_FACS            *acpi_gbl_FACS;
  82
  83 /*
  84  * Since there may be multiple SSDTs and PSDTS, a single pointer is not
  85  * sufficient; Therefore, there isn't one!
  86  */
  87
  88
  89 /*
  90  * ACPI Table info arrays
  91  */
  92 extern      ACPI_TABLE_DESC             acpi_gbl_acpi_tables[NUM_ACPI_TABLES];
  93 extern      ACPI_TABLE_SUPPORT          acpi_gbl_acpi_table_data[NUM_ACPI_TABLES];
  94
  95 /*
  96  * Predefined mutex objects.  This array contains the
  97  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
  98  * (The table maps local handles to the real OS handles)
  99  */
 100 ACPI_EXTERN ACPI_MUTEX_INFO             acpi_gbl_acpi_mutex_info [NUM_MTX];
 101
 102
 103 /*****************************************************************************
 104  *
 105  * Miscellaneous globals
 106  *
 107  ****************************************************************************/
 108
 109
 110 ACPI_EXTERN u8                         *acpi_gbl_gpe0enable_register_save;
 111 ACPI_EXTERN u8                         *acpi_gbl_gpe1_enable_register_save;
 112 ACPI_EXTERN ACPI_WALK_STATE            *acpi_gbl_breakpoint_walk;
 113 ACPI_EXTERN ACPI_GENERIC_STATE         *acpi_gbl_generic_state_cache;
 114 ACPI_EXTERN ACPI_PARSE_OBJECT          *acpi_gbl_parse_cache;
 115 ACPI_EXTERN ACPI_PARSE2_OBJECT         *acpi_gbl_ext_parse_cache;
 116 ACPI_EXTERN ACPI_OPERAND_OBJECT        *acpi_gbl_object_cache;
 117 ACPI_EXTERN ACPI_WALK_STATE            *acpi_gbl_walk_state_cache;
 118 ACPI_EXTERN ACPI_HANDLE                 acpi_gbl_global_lock_semaphore;
 119
 120
 121 ACPI_EXTERN u32                         acpi_gbl_global_lock_thread_count;
 122 ACPI_EXTERN u32                         acpi_gbl_restore_acpi_chipset;
 123 ACPI_EXTERN u32                         acpi_gbl_original_mode;
 124 ACPI_EXTERN u32                         acpi_gbl_edge_level_save;
 125 ACPI_EXTERN u32                         acpi_gbl_irq_enable_save;
 126 ACPI_EXTERN u32                         acpi_gbl_rsdp_original_location;
 127
 128 ACPI_EXTERN u32                         acpi_gbl_state_cache_requests;
 129 ACPI_EXTERN u32                         acpi_gbl_state_cache_hits;
 130 ACPI_EXTERN u32                         acpi_gbl_parse_cache_requests;
 131 ACPI_EXTERN u32                         acpi_gbl_parse_cache_hits;
 132 ACPI_EXTERN u32                         acpi_gbl_ext_parse_cache_requests;
 133 ACPI_EXTERN u32                         acpi_gbl_ext_parse_cache_hits;
 134 ACPI_EXTERN u32                         acpi_gbl_object_cache_requests;
 135 ACPI_EXTERN u32                         acpi_gbl_object_cache_hits;
 136 ACPI_EXTERN u32                         acpi_gbl_walk_state_cache_requests;
 137 ACPI_EXTERN u32                         acpi_gbl_walk_state_cache_hits;
 138 ACPI_EXTERN u32                         acpi_gbl_ns_lookup_count;
 139 ACPI_EXTERN u32                         acpi_gbl_ps_find_count;
 140
 141
 142 ACPI_EXTERN u16                         acpi_gbl_generic_state_cache_depth;
 143 ACPI_EXTERN u16                         acpi_gbl_parse_cache_depth;
 144 ACPI_EXTERN u16                         acpi_gbl_ext_parse_cache_depth;
 145 ACPI_EXTERN u16                         acpi_gbl_object_cache_depth;
 146 ACPI_EXTERN u16                         acpi_gbl_walk_state_cache_depth;
 147 ACPI_EXTERN u16                         acpi_gbl_pm1_enable_register_save;
 148 ACPI_EXTERN u16                         acpi_gbl_next_table_owner_id;
 149 ACPI_EXTERN u16                         acpi_gbl_next_method_owner_id;
 150
 151 ACPI_EXTERN u8                          acpi_gbl_debugger_configuration;
 152 ACPI_EXTERN u8                          acpi_gbl_global_lock_acquired;
 153 ACPI_EXTERN u8                          acpi_gbl_step_to_next_call;
 154 ACPI_EXTERN u8                          acpi_gbl_acpi_hardware_present;
 155 ACPI_EXTERN u8                          acpi_gbl_global_lock_present;
 156
 157 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  acpi_gbl_drv_notify;
 158 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  acpi_gbl_sys_notify;
 159
 160
 161 extern u8                               acpi_gbl_shutdown;
 162 extern u32                              acpi_gbl_system_flags;
 163 extern u32                              acpi_gbl_startup_flags;
 164 extern u8                               acpi_gbl_decode_to8bit[8];
 165 extern NATIVE_CHAR                      acpi_gbl_hex_to_ascii[16];
 166
 167
 168 /*****************************************************************************
 169  *
 170  * Namespace globals
 171  *
 172  ****************************************************************************/
 173
 174 #define NUM_NS_TYPES                    INTERNAL_TYPE_INVALID+1
 175 #define NUM_PREDEFINED_NAMES            9
 176
 177
 178 ACPI_EXTERN ACPI_NAMESPACE_NODE         acpi_gbl_root_node_struct;
 179 ACPI_EXTERN ACPI_NAMESPACE_NODE        *acpi_gbl_root_node;
 180
 181 extern u8                               acpi_gbl_ns_properties[NUM_NS_TYPES];
 182 extern PREDEFINED_NAMES                 acpi_gbl_pre_defined_names [NUM_PREDEFINED_NAMES];
 183
 184
 185 /* Used to detect memory leaks (DEBUG ONLY) */
 186
 187 #ifdef ACPI_DEBUG
 188 ACPI_EXTERN ALLOCATION_INFO            *acpi_gbl_head_alloc_ptr;
 189 ACPI_EXTERN ALLOCATION_INFO            *acpi_gbl_tail_alloc_ptr;
 190 #endif
 191
 192
 193 /*****************************************************************************
 194  *
 195  * Interpreter globals
 196  *
 197  ****************************************************************************/
 198
 199
 200 ACPI_EXTERN ACPI_WALK_LIST             *acpi_gbl_current_walk_list;
 201
 202 /*
 203  * Handle to the last method found - used during pass1 of load
 204  */
 205 ACPI_EXTERN ACPI_HANDLE                 acpi_gbl_last_method;
 206
 207 /*
 208  * Table of Address Space handlers
 209  */
 210
 211 ACPI_EXTERN ACPI_ADDRESS_SPACE_INFO     acpi_gbl_address_spaces[ACPI_NUM_ADDRESS_SPACES];
 212
 213
 214 /* Control method single step flag */
 215
 216 ACPI_EXTERN u8                          acpi_gbl_cm_single_step;
 217
 218
 219 /*****************************************************************************
 220  *
 221  * Parser globals
 222  *
 223  ****************************************************************************/
 224
 225 ACPI_EXTERN ACPI_PARSE_OBJECT           *acpi_gbl_parsed_namespace_root;
 226
 227 /*****************************************************************************
 228  *
 229  * Hardware globals
 230  *
 231  ****************************************************************************/
 232
 233 extern ACPI_C_STATE_HANDLER             acpi_hw_cx_handlers[MAX_CX_STATES];
 234 extern u32                              acpi_hw_active_cx_state;
 235
 236
 237 /*****************************************************************************
 238  *
 239  * Event globals
 240  *
 241  ****************************************************************************/
 242
 243 ACPI_EXTERN ACPI_FIXED_EVENT_INFO       acpi_gbl_fixed_event_handlers[NUM_FIXED_EVENTS];
 244
 245 ACPI_EXTERN ACPI_HANDLE                 acpi_gbl_gpe_obj_handle;
 246 ACPI_EXTERN u32                         acpi_gbl_gpe_register_count;
 247 ACPI_EXTERN ACPI_GPE_REGISTERS          *acpi_gbl_gpe_registers;
 248 ACPI_EXTERN ACPI_GPE_LEVEL_INFO         *acpi_gbl_gpe_info;
 249
 250 /*
 251  * Gpe validation and translation table
 252  * Indexed by the GPE number, returns GPE_INVALID if the GPE is not supported.
 253  * Otherwise, returns a valid index into the global GPE table.
 254  *
 255  * This table is needed because the GPE numbers supported by block 1 do not
 256  * have to be contiguous with the GPE numbers supported by block 0.
 257  */
 258 ACPI_EXTERN u8                          acpi_gbl_gpe_valid [NUM_GPE];
 259
 260 /* Acpi_event counter for debug only */
 261
 262 #ifdef ACPI_DEBUG
 263 ACPI_EXTERN u32                         acpi_gbl_event_count[NUM_FIXED_EVENTS];
 264 #endif
 265
 266
 267 /*****************************************************************************
 268  *
 269  * Debugger globals
 270  *
 271  ****************************************************************************/
 272
 273 #ifdef ENABLE_DEBUGGER
 274 ACPI_EXTERN u8                          acpi_gbl_method_executing;
 275 ACPI_EXTERN u8                          acpi_gbl_db_terminate_threads;
 276 #endif
 277
 278 /* Memory allocation metrics - Debug Only! */
 279
 280 #ifdef ACPI_DEBUG
 281
 282 ACPI_EXTERN u32                         acpi_gbl_current_alloc_size;
 283 ACPI_EXTERN u32                         acpi_gbl_current_alloc_count;
 284 ACPI_EXTERN u32                         acpi_gbl_running_alloc_size;
 285 ACPI_EXTERN u32                         acpi_gbl_running_alloc_count;
 286 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_alloc_size;
 287 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_alloc_count;
 288 ACPI_EXTERN u32                         acpi_gbl_current_object_count;
 289 ACPI_EXTERN u32                         acpi_gbl_current_object_size;
 290 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_object_count;
 291 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_object_size;
 292 ACPI_EXTERN u32                         acpi_gbl_running_object_count;
 293 ACPI_EXTERN u32                         acpi_gbl_running_object_size;
 294 ACPI_EXTERN u32                         acpi_gbl_current_node_count;
 295 ACPI_EXTERN u32                         acpi_gbl_current_node_size;
 296 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_node_count;
 297
 298 #endif
 299
 300
 301 #endif /* __ACGLOBAL_H__ */