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  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__ */
  172.