1 /****************************************************************************** 2 * 3 * Name: acglobal.h - Declarations for global variables 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2007, 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 * Ensure that the globals are actually defined and initialized only once. 49 * 50 * The use of these macros allows a single list of globals (here) in order 51 * to simplify maintenance of the code. 52 */ 53 #ifdef DEFINE_ACPI_GLOBALS 54 #define ACPI_EXTERN 55 #define ACPI_INIT_GLOBAL(a,b) a=b 56 #else 57 #define ACPI_EXTERN extern 58 #define ACPI_INIT_GLOBAL(a,b) a 59 #endif 60 61 /***************************************************************************** 62 * 63 * ACPI Table globals 64 * 65 ****************************************************************************/ 66 67 /* 68 * acpi_gbl_root_table_list is the master list of ACPI tables found in the 69 * RSDT/XSDT. 70 * 71 * acpi_gbl_FADT is a local copy of the FADT, converted to a common format. 72 */ 73 ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list; 74 ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT; 75 76 /* These addresses are calculated from FADT address values */ 77 78 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable; 79 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable; 80 81 /* 82 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning 83 * that the ACPI hardware is no longer required. A flag in the FADT indicates 84 * a reduced HW machine, and that flag is duplicated here for convenience. 85 */ 86 ACPI_EXTERN u8 acpi_gbl_reduced_hardware; 87 88 /***************************************************************************** 89 * 90 * Miscellaneous globals 91 * 92 ****************************************************************************/ 93 94 #ifndef DEFINE_ACPI_GLOBALS 95 96 extern char const *acpi_gbl_exception_names_env[]; 97 extern char const *acpi_gbl_exception_names_pgm[]; 98 extern char const *acpi_gbl_exception_names_tbl[]; 99 extern char const *acpi_gbl_exception_names_aml[]; 100 extern char const *acpi_gbl_exception_names_ctrl[]; 101 102 #endif 103 104 /***************************************************************************** 105 * 106 * Hardware globals 107 * 108 ****************************************************************************/ 109 110 extern struct acpi_bit_register_info 111 acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; 112 113 #endif /* __ACGLOBAL_H__ */ 114