drivers/acpi/include/acglobal.h

   1 /******************************************************************************
   2  *
   3  * Name: acglobal.h - Declarations for global variables
   4  *       $Revision: 1.1.1.1 $
   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 /*****************************************************************************
  44  *
  45  * Debug support
  46  *
  47  ****************************************************************************/
  48
  49 /* Runtime configuration of debug print levels */
  50
  51 extern      u32                         acpi_dbg_level;
  52 extern      u32                         acpi_dbg_layer;
  53
  54 /* Procedure nesting level for debug output */
  55
  56 extern      u32                         acpi_gbl_nesting_level;
  57
  58
  59 /*****************************************************************************
  60  *
  61  * ACPI Table globals
  62  *
  63  ****************************************************************************/
  64
  65 /*
  66  * Table pointers.
  67  * Although these pointers are somewhat redundant with the global Acpi_table,
  68  * they are convenient because they are typed pointers.
  69  *
  70  * These tables are single-table only; meaning that there can be at most one
  71  * of each in the system.  Each global points to the actual table.
  72  *
  73  */
  74 ACPI_EXTERN RSDP_DESCRIPTOR             *acpi_gbl_RSDP;
  75 ACPI_EXTERN xsdt_descriptor             *acpi_gbl_XSDT;
  76 ACPI_EXTERN FADT_DESCRIPTOR             *acpi_gbl_FADT;
  77 ACPI_EXTERN acpi_table_header           *acpi_gbl_DSDT;
  78 ACPI_EXTERN acpi_common_facs            *acpi_gbl_FACS;
  79
  80 /*
  81  * Since there may be multiple SSDTs and PSDTS, a single pointer is not
  82  * sufficient; Therefore, there isn't one!
  83  */
  84
  85
  86 /*
  87  * ACPI Table info arrays
  88  */
  89 extern      acpi_table_desc             acpi_gbl_acpi_tables[NUM_ACPI_TABLES];
  90 extern      ACPI_TABLE_SUPPORT          acpi_gbl_acpi_table_data[NUM_ACPI_TABLES];
  91
  92 /*
  93  * Predefined mutex objects.  This array contains the
  94  * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
  95  * (The table maps local handles to the real OS handles)
  96  */
  97 ACPI_EXTERN acpi_mutex_info             acpi_gbl_acpi_mutex_info [NUM_MTX];
  98
  99
 100 /*****************************************************************************
 101  *
 102  * Miscellaneous globals
 103  *
 104  ****************************************************************************/
 105
 106
 107 ACPI_EXTERN ACPI_MEMORY_LIST            acpi_gbl_memory_lists[ACPI_NUM_MEM_LISTS];
 108 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  acpi_gbl_drv_notify;
 109 ACPI_EXTERN ACPI_OBJECT_NOTIFY_HANDLER  acpi_gbl_sys_notify;
 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_handle                 acpi_gbl_global_lock_semaphore;
 114
 115 ACPI_EXTERN u32                         acpi_gbl_global_lock_thread_count;
 116 ACPI_EXTERN u32                         acpi_gbl_restore_acpi_chipset;
 117 ACPI_EXTERN u32                         acpi_gbl_original_mode;
 118 ACPI_EXTERN u32                         acpi_gbl_edge_level_save;
 119 ACPI_EXTERN u32                         acpi_gbl_irq_enable_save;
 120 ACPI_EXTERN u32                         acpi_gbl_rsdp_original_location;
 121 ACPI_EXTERN u32                         acpi_gbl_ns_lookup_count;
 122 ACPI_EXTERN u32                         acpi_gbl_ps_find_count;
 123 ACPI_EXTERN u16                         acpi_gbl_pm1_enable_register_save;
 124 ACPI_EXTERN u16                         acpi_gbl_next_table_owner_id;
 125 ACPI_EXTERN u16                         acpi_gbl_next_method_owner_id;
 126 ACPI_EXTERN u8                          acpi_gbl_debugger_configuration;
 127 ACPI_EXTERN u8                          acpi_gbl_global_lock_acquired;
 128 ACPI_EXTERN u8                          acpi_gbl_step_to_next_call;
 129 ACPI_EXTERN u8                          acpi_gbl_acpi_hardware_present;
 130 ACPI_EXTERN u8                          acpi_gbl_global_lock_present;
 131
 132 extern u8                               acpi_gbl_shutdown;
 133 extern u32                              acpi_gbl_system_flags;
 134 extern u32                              acpi_gbl_startup_flags;
 135 extern const u8                         acpi_gbl_decode_to8bit[8];
 136 extern const NATIVE_CHAR                *acpi_gbl_db_sleep_states[ACPI_NUM_SLEEP_STATES];
 137
 138
 139 /*****************************************************************************
 140  *
 141  * Namespace globals
 142  *
 143  ****************************************************************************/
 144
 145 #define NUM_NS_TYPES                    INTERNAL_TYPE_INVALID+1
 146 #define NUM_PREDEFINED_NAMES            9
 147
 148
 149 ACPI_EXTERN acpi_namespace_node         acpi_gbl_root_node_struct;
 150 ACPI_EXTERN acpi_namespace_node        *acpi_gbl_root_node;
 151
 152 extern const u8                         acpi_gbl_ns_properties[NUM_NS_TYPES];
 153 extern const predefined_names           acpi_gbl_pre_defined_names [NUM_PREDEFINED_NAMES];
 154
 155 #ifdef ACPI_DEBUG
 156 ACPI_EXTERN u32                         acpi_gbl_current_node_count;
 157 ACPI_EXTERN u32                         acpi_gbl_current_node_size;
 158 ACPI_EXTERN u32                         acpi_gbl_max_concurrent_node_count;
 159 ACPI_EXTERN unsigned long               acpi_gbl_entry_stack_pointer;
 160 ACPI_EXTERN u32                         acpi_gbl_lowest_stack_pointer;
 161 ACPI_EXTERN u32                         acpi_gbl_deepest_nesting;
 162 #endif
 163
 164 /*****************************************************************************
 165  *
 166  * Interpreter globals
 167  *
 168  ****************************************************************************/
 169
 170
 171 ACPI_EXTERN acpi_walk_list             *acpi_gbl_current_walk_list;
 172
 173 /* Address Space handlers */
 174
 175 ACPI_EXTERN acpi_adr_space_info         acpi_gbl_address_spaces[ACPI_NUM_ADDRESS_SPACES];
 176
 177 /* Control method single step flag */
 178
 179 ACPI_EXTERN u8                          acpi_gbl_cm_single_step;
 180
 181
 182 /*****************************************************************************
 183  *
 184  * Parser globals
 185  *
 186  ****************************************************************************/
 187
 188 ACPI_EXTERN acpi_parse_object           *acpi_gbl_parsed_namespace_root;
 189
 190
 191 /*****************************************************************************
 192  *
 193  * Event globals
 194  *
 195  ****************************************************************************/
 196
 197 ACPI_EXTERN acpi_fixed_event_info       acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
 198 ACPI_EXTERN acpi_handle                 acpi_gbl_gpe_obj_handle;
 199 ACPI_EXTERN u32                         acpi_gbl_gpe_register_count;
 200 ACPI_EXTERN acpi_gpe_registers         *acpi_gbl_gpe_registers;
 201 ACPI_EXTERN acpi_gpe_level_info        *acpi_gbl_gpe_info;
 202
 203 /*
 204  * Gpe validation and translation table
 205  * Indexed by the GPE number, returns GPE_INVALID if the GPE is not supported.
 206  * Otherwise, returns a valid index into the global GPE table.
 207  *
 208  * This table is needed because the GPE numbers supported by block 1 do not
 209  * have to be contiguous with the GPE numbers supported by block 0.
 210  */
 211 ACPI_EXTERN u8                          acpi_gbl_gpe_valid [ACPI_NUM_GPE];
 212
 213 /* Acpi_event counter for debug only */
 214
 215 #ifdef ACPI_DEBUG
 216 ACPI_EXTERN u32                         acpi_gbl_event_count[ACPI_NUM_FIXED_EVENTS];
 217 #endif
 218
 219
 220 /*****************************************************************************
 221  *
 222  * Debugger globals
 223  *
 224  ****************************************************************************/
 225
 226 #ifdef ENABLE_DEBUGGER
 227 ACPI_EXTERN u8                          acpi_gbl_method_executing;
 228 ACPI_EXTERN u8                          acpi_gbl_db_terminate_threads;
 229 #endif
 230
 231
 232 #endif /* __ACGLOBAL_H__ */