acconfig.h 7.4 KB

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  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /******************************************************************************
  3. *
  4. * Name: acconfig.h - Global configuration constants
  5. *
  6. * Copyright (C) 2000 - 2020, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. #ifndef _ACCONFIG_H
  10. #define _ACCONFIG_H
  11. /******************************************************************************
  12. *
  13. * Configuration options
  14. *
  15. *****************************************************************************/
  16. /*
  17. * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
  18. * ACPI subsystem. This includes the DEBUG_PRINT output
  19. * statements. When disabled, all DEBUG_PRINT
  20. * statements are compiled out.
  21. *
  22. * ACPI_APPLICATION - Use this switch if the subsystem is going to be run
  23. * at the application level.
  24. *
  25. */
  26. /*
  27. * OS name, used for the _OS object. The _OS object is essentially obsolete,
  28. * but there is a large base of ASL/AML code in existing machines that check
  29. * for the string below. The use of this string usually guarantees that
  30. * the ASL will execute down the most tested code path. Also, there is some
  31. * code that will not execute the _OSI method unless _OS matches the string
  32. * below. Therefore, change this string at your own risk.
  33. */
  34. #define ACPI_OS_NAME "Microsoft Windows NT"
  35. /* Maximum objects in the various object caches */
  36. #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
  37. #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
  38. #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
  39. #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
  40. #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
  41. #define ACPI_MAX_COMMENT_CACHE_DEPTH 96 /* Comments for the -ca option */
  42. /*
  43. * Should the subsystem abort the loading of an ACPI table if the
  44. * table checksum is incorrect?
  45. */
  46. #ifndef ACPI_CHECKSUM_ABORT
  47. #define ACPI_CHECKSUM_ABORT FALSE
  48. #endif
  49. /*
  50. * Generate a version of ACPICA that only supports "reduced hardware"
  51. * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
  52. * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
  53. * model. In other words, no ACPI hardware is supported.
  54. *
  55. * If TRUE, this means no support for the following:
  56. * PM Event and Control registers
  57. * SCI interrupt (and handler)
  58. * Fixed Events
  59. * General Purpose Events (GPEs)
  60. * Global Lock
  61. * ACPI PM timer
  62. * FACS table (Waking vectors and Global Lock)
  63. */
  64. #ifndef ACPI_REDUCED_HARDWARE
  65. #define ACPI_REDUCED_HARDWARE FALSE
  66. #endif
  67. /******************************************************************************
  68. *
  69. * Subsystem Constants
  70. *
  71. *****************************************************************************/
  72. /* Version of ACPI supported */
  73. #define ACPI_CA_SUPPORT_LEVEL 5
  74. /* Maximum count for a semaphore object */
  75. #define ACPI_MAX_SEMAPHORE_COUNT 256
  76. /* Maximum object reference count (detects object deletion issues) */
  77. #define ACPI_MAX_REFERENCE_COUNT 0x4000
  78. /* Default page size for use in mapping memory for operation regions */
  79. #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
  80. /* owner_id tracking. 128 entries allows for 4095 owner_ids */
  81. #define ACPI_NUM_OWNERID_MASKS 128
  82. /* Size of the root table array is increased by this increment */
  83. #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
  84. /* Maximum sleep allowed via Sleep() operator */
  85. #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
  86. /* Address Range lists are per-space_id (Memory and I/O only) */
  87. #define ACPI_ADDRESS_RANGE_MAX 2
  88. /* Maximum time (default 30s) of While() loops before abort */
  89. #define ACPI_MAX_LOOP_TIMEOUT 30
  90. /******************************************************************************
  91. *
  92. * ACPI Specification constants (Do not change unless the specification changes)
  93. *
  94. *****************************************************************************/
  95. /* Method info (in WALK_STATE), containing local variables and arguments */
  96. #define ACPI_METHOD_NUM_LOCALS 8
  97. #define ACPI_METHOD_MAX_LOCAL 7
  98. #define ACPI_METHOD_NUM_ARGS 7
  99. #define ACPI_METHOD_MAX_ARG 6
  100. /*
  101. * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
  102. */
  103. #define ACPI_OBJ_NUM_OPERANDS 8
  104. #define ACPI_OBJ_MAX_OPERAND 7
  105. /* Number of elements in the Result Stack frame, can be an arbitrary value */
  106. #define ACPI_RESULTS_FRAME_OBJ_NUM 8
  107. /*
  108. * Maximal number of elements the Result Stack can contain,
  109. * it may be an arbitrary value not exceeding the types of
  110. * result_size and result_count (now u8).
  111. */
  112. #define ACPI_RESULTS_OBJ_NUM_MAX 255
  113. /* Constants used in searching for the RSDP in low memory */
  114. #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
  115. #define ACPI_EBDA_PTR_LENGTH 2
  116. #define ACPI_EBDA_WINDOW_SIZE 1024
  117. #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
  118. #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
  119. #define ACPI_RSDP_SCAN_STEP 16
  120. /* Operation regions */
  121. #define ACPI_USER_REGION_BEGIN 0x80
  122. /* Maximum space_ids for Operation Regions */
  123. #define ACPI_MAX_ADDRESS_SPACE 255
  124. #define ACPI_NUM_DEFAULT_SPACES 4
  125. /* Array sizes. Used for range checking also */
  126. #define ACPI_MAX_MATCH_OPCODE 5
  127. /* RSDP checksums */
  128. #define ACPI_RSDP_CHECKSUM_LENGTH 20
  129. #define ACPI_RSDP_XCHECKSUM_LENGTH 36
  130. /*
  131. * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header,
  132. * containing both Status and Length.
  133. */
  134. #define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */
  135. #define ACPI_SMBUS_DATA_SIZE 32
  136. #define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE
  137. #define ACPI_IPMI_DATA_SIZE 64
  138. #define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE
  139. #define ACPI_MAX_GSBUS_DATA_SIZE 255
  140. #define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE
  141. /* _sx_d and _sx_w control methods */
  142. #define ACPI_NUM_sx_d_METHODS 4
  143. #define ACPI_NUM_sx_w_METHODS 5
  144. /******************************************************************************
  145. *
  146. * Miscellaneous constants
  147. *
  148. *****************************************************************************/
  149. /* UUID constants */
  150. #define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */
  151. #define UUID_STRING_LENGTH 36 /* Total length of a UUID string */
  152. /* Positions for required hyphens (dashes) in UUID strings */
  153. #define UUID_HYPHEN1_OFFSET 8
  154. #define UUID_HYPHEN2_OFFSET 13
  155. #define UUID_HYPHEN3_OFFSET 18
  156. #define UUID_HYPHEN4_OFFSET 23
  157. /******************************************************************************
  158. *
  159. * ACPI AML Debugger
  160. *
  161. *****************************************************************************/
  162. #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
  163. #define ACPI_DB_LINE_BUFFER_SIZE 512
  164. #define ACPI_DEBUGGER_COMMAND_PROMPT '-'
  165. #define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
  166. #endif /* _ACCONFIG_H */