diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/IndustryStandard/Acpi.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/IndustryStandard/Acpi.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/IndustryStandard/Acpi.h b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/IndustryStandard/Acpi.h new file mode 100644 index 00000000..72577a22 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/Include/IndustryStandard/Acpi.h @@ -0,0 +1,117 @@ +/** @file + This file contains some basic ACPI definitions that are consumed by drivers + that do not care about ACPI versions. + + Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _ACPI_H_ +#define _ACPI_H_ + +// +// Common table header, this prefaces all ACPI tables, including FACS, but +// excluding the RSD PTR structure +// +typedef struct { + UINT32 Signature; + UINT32 Length; +} EFI_ACPI_COMMON_HEADER; + +// +// Common ACPI description table header. This structure prefaces most ACPI tables. +// +#pragma pack(1) + +typedef struct { + UINT32 Signature; + UINT32 Length; + UINT8 Revision; + UINT8 Checksum; + UINT8 OemId[6]; + UINT64 OemTableId; + UINT32 OemRevision; + UINT32 CreatorId; + UINT32 CreatorRevision; +} EFI_ACPI_DESCRIPTION_HEADER; + +#pragma pack() +// +// Define for Pci Host Bridge Resource Allocation +// +#define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A +#define ACPI_END_TAG_DESCRIPTOR 0x79 + +#define ACPI_ADDRESS_SPACE_TYPE_MEM 0x00 +#define ACPI_ADDRESS_SPACE_TYPE_IO 0x01 +#define ACPI_ADDRESS_SPACE_TYPE_BUS 0x02 + +// +// Power Management Timer frequency is fixed at 3.579545MHz +// +#define ACPI_TIMER_FREQUENCY 3579545 + +// +// Make sure structures match spec +// +#pragma pack(1) + +typedef struct { + UINT8 Desc; + UINT16 Len; + UINT8 ResType; + UINT8 GenFlag; + UINT8 SpecificFlag; + UINT64 AddrSpaceGranularity; + UINT64 AddrRangeMin; + UINT64 AddrRangeMax; + UINT64 AddrTranslationOffset; + UINT64 AddrLen; +} EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR; + +typedef struct { + UINT8 Desc; + UINT8 Checksum; +} EFI_ACPI_END_TAG_DESCRIPTOR; + +// +// General use definitions +// +#define EFI_ACPI_RESERVED_BYTE 0x00 +#define EFI_ACPI_RESERVED_WORD 0x0000 +#define EFI_ACPI_RESERVED_DWORD 0x00000000 +#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000 + +// +// Resource Type Specific Flags +// Ref ACPI specification 6.4.3.5.5 +// +// Bit [0] : Write Status, _RW +// +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0) +// +// Bit [2:1] : Memory Attributes, _MEM +// +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1) +// +// Bit [4:3] : Memory Attributes, _MTP +// +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3) +#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3) +// +// Bit [5] : Memory to I/O Translation, _TTP +// +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5) +#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5) + +#pragma pack() + +#endif |