drivers/acpi/acpica/actables.h

   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(void);
  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 void
 142 acpi_tb_print_table_header(acpi_physical_address address,
 143                            struct acpi_table_header *header);
 144
 145 u8 acpi_tb_checksum(u8 *buffer, u32 length);
 146
 147 acpi_status
 148 acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
 149
 150 void acpi_tb_check_dsdt_header(void);
 151
 152 struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
 153
 154 void
 155 acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc,
 156                                     u8 override, u32 *table_index);
 157
 158 acpi_status
 159 acpi_tb_install_fixed_table(acpi_physical_address address,
 160                             char *signature, u32 *table_index);
 161
 162 acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);
 163
 164 u8 acpi_is_valid_signature(char *signature);
 165
 166 /*
 167  * tbxfload
 168  */
 169 acpi_status acpi_tb_load_namespace(void);
 170
 171 #endif                          /* __ACTABLES_H__ */