1 /****************************************************************************** 2 * 3 * Name: actables.h - ACPI table management 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2014, Intel Corp. 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 __ACTABLES_H__ 45 #define __ACTABLES_H__ 46 47 acpi_status acpi_allocate_root_table(u32 initial_table_count); 48 49 /* 50 * tbxfroot - Root pointer utilities 51 */ 52 u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp); 53 54 acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); 55 56 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length); 57 58 /* 59 * tbdata - table data structure management 60 */ 61 acpi_status acpi_tb_get_next_root_index(u32 *table_index); 62 63 void 64 acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc, 65 acpi_physical_address address, 66 u8 flags, struct acpi_table_header *table); 67 68 acpi_status 69 acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc, 70 acpi_physical_address address, u8 flags); 71 72 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc); 73 74 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc); 75 76 acpi_status 77 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature); 78 79 u8 acpi_tb_is_table_loaded(u32 table_index); 80 81 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded); 82 83 /* 84 * tbfadt - FADT parse/convert/validate 85 */ 86 void acpi_tb_parse_fadt(u32 table_index); 87 88 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length); 89 90 /* 91 * tbfind - find ACPI table 92 */ 93 acpi_status 94 acpi_tb_find_table(char *signature, 95 char *oem_id, char *oem_table_id, u32 *table_index); 96 97 /* 98 * tbinstal - Table removal and deletion 99 */ 100 acpi_status acpi_tb_resize_root_table_list(void); 101 102 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc); 103 104 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc); 105 106 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc); 107 108 acpi_status 109 acpi_tb_acquire_table(struct acpi_table_desc *table_desc, 110 struct acpi_table_header **table_ptr, 111 u32 *table_length, u8 *table_flags); 112 113 void 114 acpi_tb_release_table(struct acpi_table_header *table, 115 u32 table_length, u8 table_flags); 116 117 acpi_status 118 acpi_tb_install_standard_table(acpi_physical_address address, 119 u8 flags, 120 u8 reload, u8 override, u32 *table_index); 121 122 acpi_status 123 acpi_tb_store_table(acpi_physical_address address, 124 struct acpi_table_header *table, 125 u32 length, u8 flags, u32 *table_index); 126 127 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc); 128 129 void acpi_tb_terminate(void); 130 131 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index); 132 133 acpi_status acpi_tb_allocate_owner_id(u32 table_index); 134 135 acpi_status acpi_tb_release_owner_id(u32 table_index); 136 137 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id); 138 139 /* 140 * tbutils - table manager utilities 141 */ 142 acpi_status acpi_tb_initialize_facs(void); 143 144 u8 acpi_tb_tables_loaded(void); 145 146 void 147 acpi_tb_print_table_header(acpi_physical_address address, 148 struct acpi_table_header *header); 149 150 u8 acpi_tb_checksum(u8 *buffer, u32 length); 151 152 acpi_status 153 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length); 154 155 void acpi_tb_check_dsdt_header(void); 156 157 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index); 158 159 void 160 acpi_tb_install_table_with_override(u32 table_index, 161 struct acpi_table_desc *new_table_desc, 162 u8 override); 163 164 acpi_status 165 acpi_tb_install_fixed_table(acpi_physical_address address, 166 char *signature, u32 table_index); 167 168 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); 169 170 #endif /* __ACTABLES_H__ */ 171