^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Name: actbl.h - Basic ACPI Table Definitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifndef __ACTBL_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define __ACTBL_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * Fundamental ACPI tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * This file contains definitions for the ACPI tables that are directly consumed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * device drivers and other OS support code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * The RSDP and FACS do not use the common ACPI table header. All other ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * tables use the header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Values for description table header signatures for tables defined in this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * file. Useful because they make it more difficult to inadvertently type in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * the wrong signature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define ACPI_SIG_OSDT "OSDT" /* Override System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define ACPI_OEM_NAME "OEM" /* Short name for OEM, not signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * All tables and structures must be byte-packed to match the ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * specification, since the tables are provided by the system BIOS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #pragma pack(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * Note: C bitfields are not used for this reason:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * "Bitfields are great and easy to read, but unfortunately the C language
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * does not specify the layout of bitfields in memory, which means they are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * essentially useless for dealing with packed data in on-disk formats or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * this decision was a design error in C. Ritchie could have picked an order
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * and stuck with it." Norman Ramsey.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * See http://stackoverflow.com/a/1053662/41661
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * Master ACPI Table Header. This common header is used by all ACPI tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * except the RSDP and FACS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct acpi_table_header {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) char signature[ACPI_NAMESEG_SIZE]; /* ASCII table signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u32 length; /* Length of table in bytes, including this header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) u8 revision; /* ACPI Specification minor version number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) u8 checksum; /* To make sum of entire table == 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) u32 oem_revision; /* OEM revision number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) char asl_compiler_id[ACPI_NAMESEG_SIZE]; /* ASCII ASL compiler vendor ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) u32 asl_compiler_revision; /* ASL compiler version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * GAS - Generic Address Structure (ACPI 2.0+)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * Note: Since this structure is used in the ACPI tables, it is byte aligned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * If misaligned access is not supported by the hardware, accesses to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * 64-bit Address field must be performed with care.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct acpi_generic_address {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u8 space_id; /* Address space where struct or register exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) u8 bit_width; /* Size in bits of given register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 bit_offset; /* Bit offset within the register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 access_width; /* Minimum Access size (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) u64 address; /* 64-bit address of struct or register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * RSDP - Root System Description Pointer (Signature is "RSD PTR ")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Version 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct acpi_table_rsdp {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) char signature[8]; /* ACPI signature, contains "RSD PTR " */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) u8 checksum; /* ACPI 1.0 checksum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) u32 length; /* Table length in bytes, including header (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u8 reserved[3]; /* Reserved, must be zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* Standalone struct for the ACPI 1.0 RSDP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct acpi_rsdp_common {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) char signature[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u8 checksum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) char oem_id[ACPI_OEM_ID_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) u8 revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) u32 rsdt_physical_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* Standalone struct for the extended part of the RSDP (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct acpi_rsdp_extension {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) u32 length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) u64 xsdt_physical_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) u8 extended_checksum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) u8 reserved[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * RSDT/XSDT - Root System Description Tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * Version 1 (both)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct acpi_table_rsdt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) struct acpi_table_header header; /* Common ACPI table header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct acpi_table_xsdt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct acpi_table_header header; /* Common ACPI table header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) #define ACPI_RSDT_ENTRY_SIZE (sizeof (u32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define ACPI_XSDT_ENTRY_SIZE (sizeof (u64))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * FACS - Firmware ACPI Control Structure (FACS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct acpi_table_facs {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) char signature[4]; /* ASCII table signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) u32 length; /* Length of structure, in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) u32 hardware_signature; /* Hardware configuration signature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) u32 global_lock; /* Global Lock for shared hardware resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) u8 version; /* Version of this table (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) u8 reserved[3]; /* Reserved, must be zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) u8 reserved1[24]; /* Reserved, must be zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /* Masks for global_lock flag field above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) #define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* Masks for Flags field above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /* Masks for ospm_flags field above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * FADT - Fixed ACPI Description Table (Signature "FACP")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * Version 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Fields common to all versions of the FADT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct acpi_table_fadt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct acpi_table_header header; /* Common ACPI table header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) u32 facs; /* 32-bit physical address of FACS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) u32 dsdt; /* 32-bit physical address of DSDT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) u16 sci_interrupt; /* System vector of SCI interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) u32 smi_command; /* 32-bit Port address of SMI command port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) u8 acpi_enable; /* Value to write to SMI_CMD to enable ACPI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) u8 acpi_disable; /* Value to write to SMI_CMD to disable ACPI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) u8 s4_bios_request; /* Value to write to SMI_CMD to enter S4BIOS state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) u8 pstate_control; /* Processor performance state control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) u32 pm1a_event_block; /* 32-bit port address of Power Mgt 1a Event Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) u32 pm1b_event_block; /* 32-bit port address of Power Mgt 1b Event Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) u32 pm1a_control_block; /* 32-bit port address of Power Mgt 1a Control Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) u32 pm1b_control_block; /* 32-bit port address of Power Mgt 1b Control Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) u32 pm2_control_block; /* 32-bit port address of Power Mgt 2 Control Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u32 pm_timer_block; /* 32-bit port address of Power Mgt Timer Ctrl Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u32 gpe0_block; /* 32-bit port address of General Purpose Event 0 Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) u32 gpe1_block; /* 32-bit port address of General Purpose Event 1 Reg Blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) u8 cst_control; /* Support for the _CST object and C-States change notification */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u16 c2_latency; /* Worst case HW latency to enter/exit C2 state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) u16 c3_latency; /* Worst case HW latency to enter/exit C3 state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) u16 flush_size; /* Processor memory cache line width, in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) u16 flush_stride; /* Number of flush strides that need to be read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) u8 duty_offset; /* Processor duty cycle index in processor P_CNT reg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) u8 duty_width; /* Processor duty cycle value bit width in P_CNT register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) u8 century; /* Index to century in RTC CMOS RAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) u16 boot_flags; /* IA-PC Boot Architecture Flags (see below for individual flags) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) u8 reserved; /* Reserved, must be zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) u32 flags; /* Miscellaneous flag bits (see below for individual flags) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) u8 reset_value; /* Value to write to the reset_register port to reset the system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) u16 arm_boot_flags; /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) u8 minor_revision; /* FADT Minor Revision (ACPI 5.1) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) u64 Xfacs; /* 64-bit physical address of FACS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) u64 Xdsdt; /* 64-bit physical address of DSDT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register (ACPI 5.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register (ACPI 5.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) u64 hypervisor_id; /* Hypervisor Vendor ID (ACPI 6.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) #define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) #define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) #define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) #define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) #define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #define FADT2_REVISION_ID 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) /* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #define ACPI_FADT_PSCI_COMPLIANT (1) /* 00: [V5+] PSCI 0.2+ is implemented */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) #define ACPI_FADT_PSCI_USE_HVC (1<<1) /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /* Masks for FADT flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) #define ACPI_FADT_WBINVD (1) /* 00: [V1] The WBINVD instruction works properly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] WBINVD flushes but does not invalidate caches */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status is not in fixed register space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) #define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local xAPICs must use physical dest mode (ACPI 3.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) #define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) #define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) /* Values for preferred_profile (Preferred Power Management Profiles) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) enum acpi_preferred_pm_profiles {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) PM_UNSPECIFIED = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) PM_DESKTOP = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) PM_MOBILE = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) PM_WORKSTATION = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) PM_ENTERPRISE_SERVER = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) PM_SOHO_SERVER = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) PM_APPLIANCE_PC = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) PM_PERFORMANCE_SERVER = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) PM_TABLET = 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) /* Values for sleep_status and sleep_control registers (V5+ FADT) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) #define ACPI_X_WAKE_STATUS 0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) #define ACPI_X_SLEEP_TYPE_MASK 0x1C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) #define ACPI_X_SLEEP_TYPE_POSITION 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) #define ACPI_X_SLEEP_ENABLE 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) /* Reset to default packing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) #pragma pack()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * Internal table-related structures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) union acpi_name_union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) u32 integer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) char ascii[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /* Internal ACPI Table Descriptor. One per ACPI table. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct acpi_table_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) acpi_physical_address address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct acpi_table_header *pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) u32 length; /* Length fixed at 32 bits (fixed in table header) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) union acpi_name_union signature;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) acpi_owner_id owner_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) u16 validation_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * Maximum value of the validation_count field in struct acpi_table_desc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) * When reached, validation_count cannot be changed any more and the table will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) * be permanently regarded as validated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * This is to prevent situations in which unbalanced table get/put operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * may cause premature table unmapping in the OS to happen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) * The maximum validation count can be defined to any value, but should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * greater than the maximum number of OS early stage mapping slots to avoid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) * leaking early stage table mappings to the late stage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) #define ACPI_MAX_TABLE_VALIDATIONS ACPI_UINT16_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* Masks for Flags field above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) #define ACPI_TABLE_ORIGIN_MASK (3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) #define ACPI_TABLE_IS_VERIFIED (4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) #define ACPI_TABLE_IS_LOADED (8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * Get the remaining ACPI tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) #include <acpi/actbl1.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) #include <acpi/actbl2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) #include <acpi/actbl3.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) /* Macros used to generate offsets to specific table fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) #define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * Sizes of the various flavors of FADT. We need to look closely
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * at the FADT length because the version number essentially tells
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) * us nothing because of many BIOS bugs where the version does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) * match the expected length. In other words, the length of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) * FADT is the bottom line as to what the version really is.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) * For reference, the values below are as follows:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) * FADT V1 size: 0x074
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * FADT V2 size: 0x084
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) * FADT V3 size: 0x0F4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) * FADT V4 size: 0x0F4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) * FADT V5 size: 0x10C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) * FADT V6 size: 0x114
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) #define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) #define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (minor_revision) + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) #define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) #define ACPI_FADT_V5_SIZE (u32) (ACPI_FADT_OFFSET (hypervisor_id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) #define ACPI_FADT_V6_SIZE (u32) (sizeof (struct acpi_table_fadt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) #define ACPI_FADT_CONFORMANCE "ACPI 6.1 (FADT version 6)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) #endif /* __ACTBL_H__ */