1 /****************************************************************************** 2 * 3 * Name: actables.h - ACPI table management 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2015, 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 62 acpi_tb_get_next_table_descriptor(u32 *table_index, 63 struct acpi_table_desc **table_desc); 64 65 void 66 acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc, 67 acpi_physical_address address, 68 u8 flags, struct acpi_table_header *table); 69 70 acpi_status 71 acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc, 72 acpi_physical_address address, u8 flags); 73 74 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc); 75 76 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc); 77 78 acpi_status 79 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature); 80 81 u8 acpi_tb_is_table_loaded(u32 table_index); 82 83 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded); 84 85 /* 86 * tbfadt - FADT parse/convert/validate 87 */ 88 void acpi_tb_parse_fadt(u32 table_index); 89 90 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length); 91 92 /* 93 * tbfind - find ACPI table 94 */ 95 acpi_status 96 acpi_tb_find_table(char *signature, 97 char *oem_id, char *oem_table_id, u32 *table_index); 98 99 /* 100 * tbinstal - Table removal and deletion 101 */ 102 acpi_status acpi_tb_resize_root_table_list(void); 103 104 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc); 105 106 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc); 107 108 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc); 109 110 acpi_status 111 acpi_tb_acquire_table(struct acpi_table_desc *table_desc, 112 struct acpi_table_header **table_ptr, 113 u32 *table_length, u8 *table_flags); 114 115 void 116 acpi_tb_release_table(struct acpi_table_header *table, 117 u32 table_length, u8 table_flags); 118 119 acpi_status 120 acpi_tb_install_standard_table(acpi_physical_address address, 121 u8 flags, 122 u8 reload, u8 override, u32 *table_index); 123 124 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc); 125 126 void acpi_tb_terminate(void); 127 128 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index); 129 130 acpi_status acpi_tb_allocate_owner_id(u32 table_index); 131 132 acpi_status acpi_tb_release_owner_id(u32 table_index); 133 134 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id); 135 136 /* 137 * tbutils - table manager utilities 138 */ 139 acpi_status acpi_tb_initialize_facs(void); 140 141 u8 acpi_tb_tables_loaded(void); 142 143 void 144 acpi_tb_print_table_header(acpi_physical_address address, 145 struct acpi_table_header *header); 146 147 u8 acpi_tb_checksum(u8 *buffer, u32 length); 148 149 acpi_status 150 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length); 151 152 void acpi_tb_check_dsdt_header(void); 153 154 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index); 155 156 void 157 acpi_tb_install_table_with_override(u32 table_index, 158 struct acpi_table_desc *new_table_desc, 159 u8 override); 160 161 acpi_status 162 acpi_tb_install_fixed_table(acpi_physical_address address, 163 char *signature, u32 table_index); 164 165 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); 166 167 #endif /* __ACTABLES_H__ */ 168