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linux-headers-6.8.0-83-generic
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acpi
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actbl3.h
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: actbl3.h - ACPI Table Definitions * * Copyright (C) 2000 - 2023, Intel Corp. * *****************************************************************************/ #ifndef __ACTBL3_H__ #define __ACTBL3_H__ /******************************************************************************* * * Additional ACPI Tables * * These tables are not consumed directly by the ACPICA subsystem, but are * included here to support device drivers and the AML disassembler. * ******************************************************************************/ /* * Values for description table header signatures for tables defined in this * file. Useful because they make it more difficult to inadvertently type in * the wrong signature. */ #define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */ #define ACPI_SIG_SLIT "SLIT" /* System Locality Distance Information Table */ #define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */ #define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */ #define ACPI_SIG_SRAT "SRAT" /* System Resource Affinity Table */ #define ACPI_SIG_STAO "STAO" /* Status Override table */ #define ACPI_SIG_TCPA "TCPA" /* Trusted Computing Platform Alliance table */ #define ACPI_SIG_TPM2 "TPM2" /* Trusted Platform Module 2.0 H/W interface table */ #define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */ #define ACPI_SIG_VIOT "VIOT" /* Virtual I/O Translation Table */ #define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */ #define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */ #define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */ #define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */ #define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */ #define ACPI_SIG_WSMT "WSMT" /* Windows SMM Security Mitigations Table */ #define ACPI_SIG_XENV "XENV" /* Xen Environment table */ #define ACPI_SIG_XXXX "XXXX" /* Intermediate AML header for ASL/ASL+ converter */ /* * All tables must be byte-packed to match the ACPI specification, since * the tables are provided by the system BIOS. */ #pragma pack(1) /* * Note: C bitfields are not used for this reason: * * "Bitfields are great and easy to read, but unfortunately the C language * does not specify the layout of bitfields in memory, which means they are * essentially useless for dealing with packed data in on-disk formats or * binary wire protocols." (Or ACPI tables and buffers.) "If you ask me, * this decision was a design error in C. Ritchie could have picked an order * and stuck with it." Norman Ramsey. * See http://stackoverflow.com/a/1053662/41661 */ /******************************************************************************* * * SLIC - Software Licensing Description Table * * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)", * November 29, 2011. Copyright 2011 Microsoft * ******************************************************************************/ /* Basic SLIC table is only the common ACPI header */ struct acpi_table_slic { struct acpi_table_header header; /* Common ACPI table header */ }; /******************************************************************************* * * SLIT - System Locality Distance Information Table * Version 1 * ******************************************************************************/ struct acpi_table_slit { struct acpi_table_header header; /* Common ACPI table header */ u64 locality_count; u8 entry[]; /* Real size = localities^2 */ }; /******************************************************************************* * * SPCR - Serial Port Console Redirection table * Version 2 * * Conforms to "Serial Port Console Redirection Table", * Version 1.03, August 10, 2015 * ******************************************************************************/ struct acpi_table_spcr { struct acpi_table_header header; /* Common ACPI table header */ u8 interface_type; /* 0=full 16550, 1=subset of 16550 */ u8 reserved[3]; struct acpi_generic_address serial_port; u8 interrupt_type; u8 pc_interrupt; u32 interrupt; u8 baud_rate; u8 parity; u8 stop_bits; u8 flow_control; u8 terminal_type; u8 reserved1; u16 pci_device_id; u16 pci_vendor_id; u8 pci_bus; u8 pci_device; u8 pci_function; u32 pci_flags; u8 pci_segment; u32 reserved2; }; /* Masks for pci_flags field above */ #define ACPI_SPCR_DO_NOT_DISABLE (1) /* Values for Interface Type: See the definition of the DBG2 table */ /******************************************************************************* * * SPMI - Server Platform Management Interface table * Version 5 * * Conforms to "Intelligent Platform Management Interface Specification * Second Generation v2.0", Document Revision 1.0, February 12, 2004 with * June 12, 2009 markup. * ******************************************************************************/ struct acpi_table_spmi { struct acpi_table_header header; /* Common ACPI table header */ u8 interface_type; u8 reserved; /* Must be 1 */ u16 spec_revision; /* Version of IPMI */ u8 interrupt_type; u8 gpe_number; /* GPE assigned */ u8 reserved1; u8 pci_device_flag; u32 interrupt; struct acpi_generic_address ipmi_register; u8 pci_segment; u8 pci_bus; u8 pci_device; u8 pci_function; u8 reserved2; }; /* Values for interface_type above */ enum acpi_spmi_interface_types { ACPI_SPMI_NOT_USED = 0, ACPI_SPMI_KEYBOARD = 1, ACPI_SPMI_SMI = 2, ACPI_SPMI_BLOCK_TRANSFER = 3, ACPI_SPMI_SMBUS = 4, ACPI_SPMI_RESERVED = 5 /* 5 and above are reserved */ }; /******************************************************************************* * * SRAT - System Resource Affinity Table * Version 3 * ******************************************************************************/ struct acpi_table_srat { struct acpi_table_header header; /* Common ACPI table header */ u32 table_revision; /* Must be value '1' */ u64 reserved; /* Reserved, must be zero */ }; /* Values for subtable type in struct acpi_subtable_header */ enum acpi_srat_type { ACPI_SRAT_TYPE_CPU_AFFINITY = 0, ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1, ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2, ACPI_SRAT_TYPE_GICC_AFFINITY = 3, ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4, /* ACPI 6.2 */ ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5, /* ACPI 6.3 */ ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6, /* ACPI 6.4 */ ACPI_SRAT_TYPE_RESERVED = 7 /* 7 and greater are reserved */ }; /* * SRAT Subtables, correspond to Type in struct acpi_subtable_header */ /* 0: Processor Local APIC/SAPIC Affinity */ struct acpi_srat_cpu_affinity { struct acpi_subtable_header header; u8 proximity_domain_lo; u8 apic_id; u32 flags; u8 local_sapic_eid; u8 proximity_domain_hi[3]; u32 clock_domain; }; /* Flags */ #define ACPI_SRAT_CPU_USE_AFFINITY (1) /* 00: Use affinity structure */ /* 1: Memory Affinity */ struct acpi_srat_mem_affinity { struct acpi_subtable_header header; u32 proximity_domain; u16 reserved; /* Reserved, must be zero */ u64 base_address; u64 length; u32 reserved1; u32 flags; u64 reserved2; /* Reserved, must be zero */ }; /* Flags */ #define ACPI_SRAT_MEM_ENABLED (1) /* 00: Use affinity structure */ #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1) /* 01: Memory region is hot pluggable */ #define ACPI_SRAT_MEM_NON_VOLATILE (1<<2) /* 02: Memory region is non-volatile */ /* 2: Processor Local X2_APIC Affinity (ACPI 4.0) */ struct acpi_srat_x2apic_cpu_affinity { struct acpi_subtable_header header; u16 reserved; /* Reserved, must be zero */ u32 proximity_domain; u32 apic_id; u32 flags; u32 clock_domain; u32 reserved2; }; /* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */ #define ACPI_SRAT_CPU_ENABLED (1) /* 00: Use affinity structure */ /* 3: GICC Affinity (ACPI 5.1) */ struct acpi_srat_gicc_affinity { struct acpi_subtable_header header; u32 proximity_domain; u32 acpi_processor_uid; u32 flags; u32 clock_domain; }; /* Flags for struct acpi_srat_gicc_affinity */ #define ACPI_SRAT_GICC_ENABLED (1) /* 00: Use affinity structure */ /* 4: GCC ITS Affinity (ACPI 6.2) */ struct acpi_srat_gic_its_affinity { struct acpi_subtable_header header; u32 proximity_domain; u16 reserved; u32 its_id; }; /* * Common structure for SRAT subtable types: * 5: ACPI_SRAT_TYPE_GENERIC_AFFINITY * 6: ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY */ #define ACPI_SRAT_DEVICE_HANDLE_SIZE 16 struct acpi_srat_generic_affinity { struct acpi_subtable_header header; u8 reserved; u8 device_handle_type; u32 proximity_domain; u8 device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE]; u32 flags; u32 reserved1; }; /* Flags for struct acpi_srat_generic_affinity */ #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED (1) /* 00: Use affinity structure */ #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS (1<<1) /* ACPI 6.4 */ /******************************************************************************* * * STAO - Status Override Table (_STA override) - ACPI 6.0 * Version 1 * * Conforms to "ACPI Specification for Status Override Table" * 6 January 2015 * ******************************************************************************/ struct acpi_table_stao { struct acpi_table_header header; /* Common ACPI table header */ u8 ignore_uart; }; /******************************************************************************* * * TCPA - Trusted Computing Platform Alliance table * Version 2 * * TCG Hardware Interface Table for TPM 1.2 Clients and Servers * * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", * Version 1.2, Revision 8 * February 27, 2017 * * NOTE: There are two versions of the table with the same signature -- * the client version and the server version. The common platform_class * field is used to differentiate the two types of tables. * ******************************************************************************/ struct acpi_table_tcpa_hdr { struct acpi_table_header header; /* Common ACPI table header */ u16 platform_class; }; /* * Values for platform_class above. * This is how the client and server subtables are differentiated */ #define ACPI_TCPA_CLIENT_TABLE 0 #define ACPI_TCPA_SERVER_TABLE 1 struct acpi_table_tcpa_client { u32 minimum_log_length; /* Minimum length for the event log area */ u64 log_address; /* Address of the event log area */ }; struct acpi_table_tcpa_server { u16 reserved; u64 minimum_log_length; /* Minimum length for the event log area */ u64 log_address; /* Address of the event log area */ u16 spec_revision; u8 device_flags; u8 interrupt_flags; u8 gpe_number; u8 reserved2[3]; u32 global_interrupt; struct acpi_generic_address address; u32 reserved3; struct acpi_generic_address config_address; u8 group; u8 bus; /* PCI Bus/Segment/Function numbers */ u8 device; u8 function; }; /* Values for device_flags above */ #define ACPI_TCPA_PCI_DEVICE (1) #define ACPI_TCPA_BUS_PNP (1<<1) #define ACPI_TCPA_ADDRESS_VALID (1<<2) /* Values for interrupt_flags above */ #define ACPI_TCPA_INTERRUPT_MODE (1) #define ACPI_TCPA_INTERRUPT_POLARITY (1<<1) #define ACPI_TCPA_SCI_VIA_GPE (1<<2) #define ACPI_TCPA_GLOBAL_INTERRUPT (1<<3) /******************************************************************************* * * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table * Version 4 * * TCG Hardware Interface Table for TPM 2.0 Clients and Servers * * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", * Version 1.2, Revision 8 * February 27, 2017 * ******************************************************************************/ /* Revision 3 */ struct acpi_table_tpm23 { struct acpi_table_header header; /* Common ACPI table header */ u32 reserved; u64 control_address; u32 start_method; }; /* Value for start_method above */ #define ACPI_TPM23_ACPI_START_METHOD 2 /* * Optional trailer for revision 3. If start method is 2, there is a 4 byte * reserved area of all zeros. */ struct acpi_tmp23_trailer { u32 reserved; }; /* Revision 4 */ struct acpi_table_tpm2 { struct acpi_table_header header; /* Common ACPI table header */ u16 platform_class; u16 reserved; u64 control_address; u32 start_method; /* Platform-specific data follows */ }; /* Optional trailer for revision 4 holding platform-specific data */ struct acpi_tpm2_phy { u8 start_method_specific[12]; u32 log_area_minimum_length; u64 log_area_start_address; }; /* Values for start_method above */ #define ACPI_TPM2_NOT_ALLOWED 0 #define ACPI_TPM2_RESERVED1 1 #define ACPI_TPM2_START_METHOD 2 #define ACPI_TPM2_RESERVED3 3 #define ACPI_TPM2_RESERVED4 4 #define ACPI_TPM2_RESERVED5 5 #define ACPI_TPM2_MEMORY_MAPPED 6 #define ACPI_TPM2_COMMAND_BUFFER 7 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 #define ACPI_TPM2_RESERVED9 9 #define ACPI_TPM2_RESERVED10 10 #define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ #define ACPI_TPM2_RESERVED 12 #define ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON 13 /* Optional trailer appears after any start_method subtables */ struct acpi_tpm2_trailer { u8 method_parameters[12]; u32 minimum_log_length; /* Minimum length for the event log area */ u64 log_address; /* Address of the event log area */ }; /* * Subtables (start_method-specific) */ /* 11: Start Method for ARM SMC (V1.2 Rev 8) */ struct acpi_tpm2_arm_smc { u32 global_interrupt; u8 interrupt_flags; u8 operation_flags; u16 reserved; u32 function_id; }; /* Values for interrupt_flags above */ #define ACPI_TPM2_INTERRUPT_SUPPORT (1) /* Values for operation_flags above */ #define ACPI_TPM2_IDLE_SUPPORT (1) /******************************************************************************* * * UEFI - UEFI Boot optimization Table * Version 1 * * Conforms to "Unified Extensible Firmware Interface Specification", * Version 2.3, May 8, 2009 * ******************************************************************************/ struct acpi_table_uefi { struct acpi_table_header header; /* Common ACPI table header */ u8 identifier[16]; /* UUID identifier */ u16 data_offset; /* Offset of remaining data in table */ }; /******************************************************************************* * * VIOT - Virtual I/O Translation Table * Version 1 * ******************************************************************************/ struct acpi_table_viot { struct acpi_table_header header; /* Common ACPI table header */ u16 node_count; u16 node_offset; u8 reserved[8]; }; /* VIOT subtable header */ struct acpi_viot_header { u8 type; u8 reserved; u16 length; }; /* Values for Type field above */ enum acpi_viot_node_type { ACPI_VIOT_NODE_PCI_RANGE = 0x01, ACPI_VIOT_NODE_MMIO = 0x02, ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI = 0x03, ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO = 0x04, ACPI_VIOT_RESERVED = 0x05 }; /* VIOT subtables */ struct acpi_viot_pci_range { struct acpi_viot_header header; u32 endpoint_start; u16 segment_start; u16 segment_end; u16 bdf_start; u16 bdf_end; u16 output_node; u8 reserved[6]; }; struct acpi_viot_mmio { struct acpi_viot_header header; u32 endpoint; u64 base_address; u16 output_node; u8 reserved[6]; }; struct acpi_viot_virtio_iommu_pci { struct acpi_viot_header header; u16 segment; u16 bdf; u8 reserved[8]; }; struct acpi_viot_virtio_iommu_mmio { struct acpi_viot_header header; u8 reserved[4]; u64 base_address; }; /******************************************************************************* * * WAET - Windows ACPI Emulated devices Table * Version 1 * * Conforms to "Windows ACPI Emulated Devices Table", version 1.0, April 6, 2009 * ******************************************************************************/ struct acpi_table_waet { struct acpi_table_header header; /* Common ACPI table header */ u32 flags; }; /* Masks for Flags field above */ #define ACPI_WAET_RTC_NO_ACK (1) /* RTC requires no int acknowledge */ #define ACPI_WAET_TIMER_ONE_READ (1<<1) /* PM timer requires only one read */ /******************************************************************************* * * WDAT - Watchdog Action Table * Version 1 * * Conforms to "Hardware Watchdog Timers Design Specification", * Copyright 2006 Microsoft Corporation. * ******************************************************************************/ struct acpi_table_wdat { struct acpi_table_header header; /* Common ACPI table header */ u32 header_length; /* Watchdog Header Length */ u16 pci_segment; /* PCI Segment number */ u8 pci_bus; /* PCI Bus number */ u8 pci_device; /* PCI Device number */ u8 pci_function; /* PCI Function number */ u8 reserved[3]; u32 timer_period; /* Period of one timer count (msec) */ u32 max_count; /* Maximum counter value supported */ u32 min_count; /* Minimum counter value */ u8 flags; u8 reserved2[3]; u32 entries; /* Number of watchdog entries that follow */ }; /* Masks for Flags field above */ #define ACPI_WDAT_ENABLED (1) #define ACPI_WDAT_STOPPED 0x80 /* WDAT Instruction Entries (actions) */ struct acpi_wdat_entry { u8 action; u8 instruction; u16 reserved; struct acpi_generic_address register_region; u32 value; /* Value used with Read/Write register */ u32 mask; /* Bitmask required for this register instruction */ }; /* Values for Action field above */ enum acpi_wdat_actions { ACPI_WDAT_RESET = 1, ACPI_WDAT_GET_CURRENT_COUNTDOWN = 4, ACPI_WDAT_GET_COUNTDOWN = 5, ACPI_WDAT_SET_COUNTDOWN = 6, ACPI_WDAT_GET_RUNNING_STATE = 8, ACPI_WDAT_SET_RUNNING_STATE = 9, ACPI_WDAT_GET_STOPPED_STATE = 10, ACPI_WDAT_SET_STOPPED_STATE = 11, ACPI_WDAT_GET_REBOOT = 16, ACPI_WDAT_SET_REBOOT = 17, ACPI_WDAT_GET_SHUTDOWN = 18, ACPI_WDAT_SET_SHUTDOWN = 19, ACPI_WDAT_GET_STATUS = 32, ACPI_WDAT_SET_STATUS = 33, ACPI_WDAT_ACTION_RESERVED = 34 /* 34 and greater are reserved */ }; /* Values for Instruction field above */ enum acpi_wdat_instructions { ACPI_WDAT_READ_VALUE = 0, ACPI_WDAT_READ_COUNTDOWN = 1, ACPI_WDAT_WRITE_VALUE = 2, ACPI_WDAT_WRITE_COUNTDOWN = 3, ACPI_WDAT_INSTRUCTION_RESERVED = 4, /* 4 and greater are reserved */ ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ }; /******************************************************************************* * * WDDT - Watchdog Descriptor Table * Version 1 * * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", * Version 001, September 2002 * ******************************************************************************/ struct acpi_table_wddt { struct acpi_table_header header; /* Common ACPI table header */ u16 spec_version; u16 table_version; u16 pci_vendor_id; struct acpi_generic_address address; u16 max_count; /* Maximum counter value supported */ u16 min_count; /* Minimum counter value supported */ u16 period; u16 status; u16 capability; }; /* Flags for Status field above */ #define ACPI_WDDT_AVAILABLE (1) #define ACPI_WDDT_ACTIVE (1<<1) #define ACPI_WDDT_TCO_OS_OWNED (1<<2) #define ACPI_WDDT_USER_RESET (1<<11) #define ACPI_WDDT_WDT_RESET (1<<12) #define ACPI_WDDT_POWER_FAIL (1<<13) #define ACPI_WDDT_UNKNOWN_RESET (1<<14) /* Flags for Capability field above */ #define ACPI_WDDT_AUTO_RESET (1) #define ACPI_WDDT_ALERT_SUPPORT (1<<1) /******************************************************************************* * * WDRT - Watchdog Resource Table * Version 1 * * Conforms to "Watchdog Timer Hardware Requirements for Windows Server 2003", * Version 1.01, August 28, 2006 * ******************************************************************************/ struct acpi_table_wdrt { struct acpi_table_header header; /* Common ACPI table header */ struct acpi_generic_address control_register; struct acpi_generic_address count_register; u16 pci_device_id; u16 pci_vendor_id; u8 pci_bus; /* PCI Bus number */ u8 pci_device; /* PCI Device number */ u8 pci_function; /* PCI Function number */ u8 pci_segment; /* PCI Segment number */ u16 max_count; /* Maximum counter value supported */ u8 units; }; /******************************************************************************* * * WPBT - Windows Platform Environment Table (ACPI 6.0) * Version 1 * * Conforms to "Windows Platform Binary Table (WPBT)" 29 November 2011 * ******************************************************************************/ struct acpi_table_wpbt { struct acpi_table_header header; /* Common ACPI table header */ u32 handoff_size; u64 handoff_address; u8 layout; u8 type; u16 arguments_length; }; struct acpi_wpbt_unicode { u16 *unicode_string; }; /******************************************************************************* * * WSMT - Windows SMM Security Mitigations Table * Version 1 * * Conforms to "Windows SMM Security Mitigations Table", * Version 1.0, April 18, 2016 * ******************************************************************************/ struct acpi_table_wsmt { struct acpi_table_header header; /* Common ACPI table header */ u32 protection_flags; }; /* Flags for protection_flags field above */ #define ACPI_WSMT_FIXED_COMM_BUFFERS (1) #define ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION (2) #define ACPI_WSMT_SYSTEM_RESOURCE_PROTECTION (4) /******************************************************************************* * * XENV - Xen Environment Table (ACPI 6.0) * Version 1 * * Conforms to "ACPI Specification for Xen Environment Table" 4 January 2015 * ******************************************************************************/ struct acpi_table_xenv { struct acpi_table_header header; /* Common ACPI table header */ u64 grant_table_address; u64 grant_table_size; u32 event_interrupt; u8 event_flags; }; /* Reset to default packing */ #pragma pack() #endif /* __ACTBL3_H__ */
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