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 - 2020, 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, u8 flags); 39 40 void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc); 41 42 acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc); 43 44 acpi_status 45 acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, 46 char *signature, u32 *table_index); 47 48 u8 acpi_tb_is_table_loaded(u32 table_index); 49 50 void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded); 51 52 /* 53 * tbfadt - FADT parse/convert/validate 54 */ 55 void acpi_tb_parse_fadt(void); 56 57 void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length); 58 59 /* 60 * tbfind - find ACPI table 61 */ 62 acpi_status 63 acpi_tb_find_table(char *signature, 64 char *oem_id, char *oem_table_id, u32 *table_index); 65 66 /* 67 * tbinstal - Table removal and deletion 68 */ 69 acpi_status acpi_tb_resize_root_table_list(void); 70 71 acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc); 72 73 void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc); 74 75 void acpi_tb_override_table(struct acpi_table_desc *old_table_desc); 76 77 acpi_status 78 acpi_tb_acquire_table(struct acpi_table_desc *table_desc, 79 struct acpi_table_header **table_ptr, 80 u32 *table_length, u8 *table_flags); 81 82 void 83 acpi_tb_release_table(struct acpi_table_header *table, 84 u32 table_length, u8 table_flags); 85 86 acpi_status 87 acpi_tb_install_standard_table(acpi_physical_address address, 88 u8 flags, 89 u8 reload, u8 override, u32 *table_index); 90 91 void acpi_tb_uninstall_table(struct acpi_table_desc *table_desc); 92 93 acpi_status 94 acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node); 95 96 acpi_status 97 acpi_tb_install_and_load_table(acpi_physical_address address, 98 u8 flags, u8 override, u32 *table_index); 99 100 acpi_status acpi_tb_unload_table(u32 table_index); 101 102 void acpi_tb_notify_table(u32 event, void *table); 103 104 void acpi_tb_terminate(void); 105 106 acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index); 107 108 acpi_status acpi_tb_allocate_owner_id(u32 table_index); 109 110 acpi_status acpi_tb_release_owner_id(u32 table_index); 111 112 acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id); 113 114 /* 115 * tbutils - table manager utilities 116 */ 117 acpi_status acpi_tb_initialize_facs(void); 118 119 void 120 acpi_tb_print_table_header(acpi_physical_address address, 121 struct acpi_table_header *header); 122 123 u8 acpi_tb_checksum(u8 *buffer, u32 length); 124 125 acpi_status 126 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length); 127 128 void acpi_tb_check_dsdt_header(void); 129 130 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index); 131 132 void 133 acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, 134 u8 override, u32 *table_index); 135 136 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); 137 138 acpi_status 139 acpi_tb_get_table(struct acpi_table_desc *table_desc, 140 struct acpi_table_header **out_table); 141 142 void acpi_tb_put_table(struct acpi_table_desc *table_desc); 143 144 /* 145 * tbxfload 146 */ 147 acpi_status acpi_tb_load_namespace(void); 148 149 #endif /* __ACTABLES_H__ */ 150