1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2 /****************************************************************************** 3 * 4 * Name: actables.h - ACPI table management 5 * 6 * Copyright (C) 2000 - 2022, Intel Corp. 7 * 8 *****************************************************************************/ 9 10 #ifndef __ACTABLES_H__ 11 #define __ACTABLES_H__ 12 13 acpi_status acpi_allocate_root_table(u32 initial_table_count); 14 15 /* 16 * tbxfroot - Root pointer utilities 17 */ 18 u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp); 19 20 acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); 21 22 u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length); 23 24 /* 25 * tbdata - table data structure management 26 */ 27 acpi_status 28 acpi_tb_get_next_table_descriptor(u32 *table_index, 29 struct acpi_table_desc **table_desc); 30 31 void 32 acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc, 33 acpi_physical_address address, 34 u8 flags, struct acpi_table_header *table); 35 36 acpi_status 37 acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc, 38 acpi_physical_address address, 39 u8 flags, struct acpi_table_header *table); 40 41 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc); 42 43 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc); 44 45 acpi_status 46 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, 47 char *signature, u32 *table_index); 48 49 u8 acpi_tb_is_table_loaded(u32 table_index); 50 51 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded); 52 53 /* 54 * tbfadt - FADT parse/convert/validate 55 */ 56 void acpi_tb_parse_fadt(void); 57 58 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length); 59 60 /* 61 * tbfind - find ACPI table 62 */ 63 acpi_status 64 acpi_tb_find_table(char *signature, 65 char *oem_id, char *oem_table_id, u32 *table_index); 66 67 /* 68 * tbinstal - Table removal and deletion 69 */ 70 acpi_status acpi_tb_resize_root_table_list(void); 71 72 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc); 73 74 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc); 75 76 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc); 77 78 acpi_status 79 acpi_tb_acquire_table(struct acpi_table_desc *table_desc, 80 struct acpi_table_header **table_ptr, 81 u32 *table_length, u8 *table_flags); 82 83 void 84 acpi_tb_release_table(struct acpi_table_header *table, 85 u32 table_length, u8 table_flags); 86 87 acpi_status 88 acpi_tb_install_standard_table(acpi_physical_address address, 89 u8 flags, 90 struct acpi_table_header *table, 91 u8 reload, u8 override, u32 *table_index); 92 93 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc); 94 95 acpi_status 96 acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node); 97 98 acpi_status 99 acpi_tb_install_and_load_table(acpi_physical_address address, 100 u8 flags, 101 struct acpi_table_header *table, 102 u8 override, u32 *table_index); 103 104 acpi_status acpi_tb_unload_table(u32 table_index); 105 106 void acpi_tb_notify_table(u32 event, void *table); 107 108 void acpi_tb_terminate(void); 109 110 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index); 111 112 acpi_status acpi_tb_allocate_owner_id(u32 table_index); 113 114 acpi_status acpi_tb_release_owner_id(u32 table_index); 115 116 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id); 117 118 /* 119 * tbutils - table manager utilities 120 */ 121 acpi_status acpi_tb_initialize_facs(void); 122 123 void 124 acpi_tb_print_table_header(acpi_physical_address address, 125 struct acpi_table_header *header); 126 127 u8 acpi_tb_checksum(u8 *buffer, u32 length); 128 129 acpi_status 130 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length); 131 132 void acpi_tb_check_dsdt_header(void); 133 134 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index); 135 136 void 137 acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, 138 u8 override, u32 *table_index); 139 140 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); 141 142 acpi_status 143 acpi_tb_get_table(struct acpi_table_desc *table_desc, 144 struct acpi_table_header **out_table); 145 146 void acpi_tb_put_table(struct acpi_table_desc *table_desc); 147 148 /* 149 * tbxfload 150 */ 151 acpi_status acpi_tb_load_namespace(void); 152 153 #endif /* __ACTABLES_H__ */ 154