/* * Copyright (c) 2012 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ typedef struct acpi_table_header { uint8_t Reserved[0x24]; } ACPI_TABLE_HEADER; /******************************************************************************* * * DMAR - DMA Remapping table * Version 1 * * Conforms to "Intel Virtualization Technology for Directed I/O", * Version 1.2, Sept. 2008 * ******************************************************************************/ typedef struct acpi_table_dmar { ACPI_TABLE_HEADER Header; /* Common ACPI table header */ uint8_t Width; /* Host Address Width */ uint8_t Flags; uint8_t Reserved[10]; } ACPI_TABLE_DMAR; /* Masks for Flags field above */ #define ACPI_DMAR_INTR_REMAP (1) /* DMAR subtable header */ typedef struct acpi_dmar_header { uint16_t Type; uint16_t Length; } ACPI_DMAR_HEADER; /* Values for subtable type in ACPI_DMAR_HEADER */ enum AcpiDmarType { ACPI_DMAR_TYPE_HARDWARE_UNIT = 0, ACPI_DMAR_TYPE_RESERVED_MEMORY = 1, ACPI_DMAR_TYPE_ATSR = 2, ACPI_DMAR_HARDWARE_AFFINITY = 3, ACPI_DMAR_TYPE_RESERVED = 4 /* 4 and greater are reserved */ }; /* DMAR Device Scope structure */ typedef struct acpi_dmar_device_scope { uint8_t EntryType; uint8_t Length; uint16_t Reserved; uint8_t EnumerationId; uint8_t Bus; } ACPI_DMAR_DEVICE_SCOPE; /* Values for EntryType in ACPI_DMAR_DEVICE_SCOPE */ enum AcpiDmarScopeType { ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0, ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1, ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2, ACPI_DMAR_SCOPE_TYPE_IOAPIC = 3, ACPI_DMAR_SCOPE_TYPE_HPET = 4, ACPI_DMAR_SCOPE_TYPE_RESERVED = 5 /* 5 and greater are reserved */ }; typedef struct acpi_dmar_pci_path { uint8_t Device; uint8_t Function; } ACPI_DMAR_PCI_PATH; /* * DMAR Sub-tables, correspond to Type in ACPI_DMAR_HEADER */ /* 0: Hardware Unit Definition */ typedef struct acpi_dmar_hardware_unit { ACPI_DMAR_HEADER Header; uint8_t Flags; uint8_t Reserved; uint16_t Segment; uint64_t Address; /* Register Base Address */ } ACPI_DMAR_HARDWARE_UNIT; /* Masks for Flags field above */ #define ACPI_DMAR_INCLUDE_ALL (1) /* 1: Reserved Memory Definition */ typedef struct acpi_dmar_reserved_memory { ACPI_DMAR_HEADER Header; uint16_t Reserved; uint16_t Segment; uint64_t BaseAddress; /* 4K aligned base address */ uint64_t EndAddress; /* 4K aligned limit address */ } ACPI_DMAR_RESERVED_MEMORY; /* Masks for Flags field above */ #define ACPI_DMAR_ALLOW_ALL (1) /* 2: Root Port ATS Capability Reporting Structure */ typedef struct acpi_dmar_atsr { ACPI_DMAR_HEADER Header; uint8_t Flags; uint8_t Reserved; uint16_t Segment; } ACPI_DMAR_ATSR; /* Masks for Flags field above */ #define ACPI_DMAR_ALL_PORTS (1) /* 3: Remapping Hardware Static Affinity Structure */ typedef struct acpi_dmar_rhsa { ACPI_DMAR_HEADER Header; uint32_t Reserved; uint64_t BaseAddress; uint32_t ProximityDomain; } ACPI_DMAR_RHSA;