--- /dev/null
+/** @file
+ HOB related definitions in PI.
+
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ @par Revision Reference:
+ PI Version 1.0
+
+**/
+
+#ifndef __PI_HOB_H__
+#define __PI_HOB_H__
+
+FILE_LICENCE ( BSD3 );
+
+//
+// HobType of EFI_HOB_GENERIC_HEADER.
+//
+#define EFI_HOB_TYPE_HANDOFF 0x0001
+#define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
+#define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
+#define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
+#define EFI_HOB_TYPE_FV 0x0005
+#define EFI_HOB_TYPE_CPU 0x0006
+#define EFI_HOB_TYPE_MEMORY_POOL 0x0007
+#define EFI_HOB_TYPE_FV2 0x0009
+#define EFI_HOB_TYPE_LOAD_PEIM_UNUSED 0x000A
+#define EFI_HOB_TYPE_UEFI_CAPSULE 0x000B
+#define EFI_HOB_TYPE_UNUSED 0xFFFE
+#define EFI_HOB_TYPE_END_OF_HOB_LIST 0xFFFF
+
+///
+/// Describes the format and size of the data inside the HOB.
+/// All HOBs must contain this generic HOB header.
+///
+typedef struct {
+ ///
+ /// Identifies the HOB data structure type.
+ ///
+ UINT16 HobType;
+ ///
+ /// The length in bytes of the HOB.
+ ///
+ UINT16 HobLength;
+ ///
+ /// This field must always be set to zero.
+ ///
+ UINT32 Reserved;
+} EFI_HOB_GENERIC_HEADER;
+
+
+///
+/// Value of version in EFI_HOB_HANDOFF_INFO_TABLE.
+///
+#define EFI_HOB_HANDOFF_TABLE_VERSION 0x0009
+
+///
+/// Contains general state information used by the HOB producer phase.
+/// This HOB must be the first one in the HOB list.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_HANDOFF.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// The version number pertaining to the PHIT HOB definition.
+ /// This value is four bytes in length to provide an 8-byte aligned entry
+ /// when it is combined with the 4-byte BootMode.
+ ///
+ UINT32 Version;
+ ///
+ /// The system boot mode as determined during the HOB producer phase.
+ ///
+ EFI_BOOT_MODE BootMode;
+ ///
+ /// The highest address location of memory that is allocated for use by the HOB producer
+ /// phase. This address must be 4-KB aligned to meet page restrictions of UEFI.
+ ///
+ EFI_PHYSICAL_ADDRESS EfiMemoryTop;
+ ///
+ /// The lowest address location of memory that is allocated for use by the HOB producer phase.
+ ///
+ EFI_PHYSICAL_ADDRESS EfiMemoryBottom;
+ ///
+ /// The highest address location of free memory that is currently available
+ /// for use by the HOB producer phase.
+ ///
+ EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop;
+ ///
+ /// The lowest address location of free memory that is available for use by the HOB producer phase.
+ ///
+ EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom;
+ ///
+ /// The end of the HOB list.
+ ///
+ EFI_PHYSICAL_ADDRESS EfiEndOfHobList;
+} EFI_HOB_HANDOFF_INFO_TABLE;
+
+///
+/// EFI_HOB_MEMORY_ALLOCATION_HEADER describes the
+/// various attributes of the logical memory allocation. The type field will be used for
+/// subsequent inclusion in the UEFI memory map.
+///
+typedef struct {
+ ///
+ /// A GUID that defines the memory allocation region's type and purpose, as well as
+ /// other fields within the memory allocation HOB. This GUID is used to define the
+ /// additional data within the HOB that may be present for the memory allocation HOB.
+ /// Type EFI_GUID is defined in InstallProtocolInterface() in the UEFI 2.0
+ /// specification.
+ ///
+ EFI_GUID Name;
+
+ ///
+ /// The base address of memory allocated by this HOB. Type
+ /// EFI_PHYSICAL_ADDRESS is defined in AllocatePages() in the UEFI 2.0
+ /// specification.
+ ///
+ EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
+
+ ///
+ /// The length in bytes of memory allocated by this HOB.
+ ///
+ UINT64 MemoryLength;
+
+ ///
+ /// Defines the type of memory allocated by this HOB. The memory type definition
+ /// follows the EFI_MEMORY_TYPE definition. Type EFI_MEMORY_TYPE is defined
+ /// in AllocatePages() in the UEFI 2.0 specification.
+ ///
+ EFI_MEMORY_TYPE MemoryType;
+
+ ///
+ /// Padding for Itanium processor family
+ ///
+ UINT8 Reserved[4];
+} EFI_HOB_MEMORY_ALLOCATION_HEADER;
+
+///
+/// Describes all memory ranges used during the HOB producer
+/// phase that exist outside the HOB list. This HOB type
+/// describes how memory is used, not the physical attributes of memory.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
+ /// various attributes of the logical memory allocation.
+ ///
+ EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
+ //
+ // Additional data pertaining to the "Name" Guid memory
+ // may go here.
+ //
+} EFI_HOB_MEMORY_ALLOCATION;
+
+
+///
+/// Describes the memory stack that is produced by the HOB producer
+/// phase and upon which all post-memory-installed executable
+/// content in the HOB producer phase is executing.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
+ /// various attributes of the logical memory allocation.
+ ///
+ EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
+} EFI_HOB_MEMORY_ALLOCATION_STACK;
+
+///
+/// Defines the location of the boot-strap
+/// processor (BSP) BSPStore ("Backing Store Pointer Store").
+/// This HOB is valid for the Itanium processor family only
+/// register overflow store.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
+ /// various attributes of the logical memory allocation.
+ ///
+ EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
+} EFI_HOB_MEMORY_ALLOCATION_BSP_STORE;
+
+///
+/// Defines the location and entry point of the HOB consumer phase.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
+ /// various attributes of the logical memory allocation.
+ ///
+ EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader;
+ ///
+ /// The GUID specifying the values of the firmware file system name
+ /// that contains the HOB consumer phase component.
+ ///
+ EFI_GUID ModuleName;
+ ///
+ /// The address of the memory-mapped firmware volume
+ /// that contains the HOB consumer phase firmware file.
+ ///
+ EFI_PHYSICAL_ADDRESS EntryPoint;
+} EFI_HOB_MEMORY_ALLOCATION_MODULE;
+
+///
+/// The resource type.
+///
+typedef UINT32 EFI_RESOURCE_TYPE;
+
+//
+// Value of ResourceType in EFI_HOB_RESOURCE_DESCRIPTOR.
+//
+#define EFI_RESOURCE_SYSTEM_MEMORY 0x00000000
+#define EFI_RESOURCE_MEMORY_MAPPED_IO 0x00000001
+#define EFI_RESOURCE_IO 0x00000002
+#define EFI_RESOURCE_FIRMWARE_DEVICE 0x00000003
+#define EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 0x00000004
+#define EFI_RESOURCE_MEMORY_RESERVED 0x00000005
+#define EFI_RESOURCE_IO_RESERVED 0x00000006
+#define EFI_RESOURCE_MAX_MEMORY_TYPE 0x00000007
+
+///
+/// A type of recount attribute type.
+///
+typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;
+
+//
+// These types can be ORed together as needed.
+//
+// The following attributes are used to describe settings
+//
+#define EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001
+#define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
+#define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
+#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
+#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
+#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
+//
+// The rest of the attributes are used to describe capabilities
+//
+#define EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008
+#define EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010
+#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020
+#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040
+#define EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400
+#define EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800
+#define EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000
+#define EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000
+#define EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000
+#define EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000
+#define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
+#define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
+#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE 0x00100000
+#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE 0x00200000
+#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE 0x00400000
+
+///
+/// Describes the resource properties of all fixed,
+/// nonrelocatable resource ranges found on the processor
+/// host bus during the HOB producer phase.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_RESOURCE_DESCRIPTOR.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// A GUID representing the owner of the resource. This GUID is used by HOB
+ /// consumer phase components to correlate device ownership of a resource.
+ ///
+ EFI_GUID Owner;
+ ///
+ /// The resource type enumeration as defined by EFI_RESOURCE_TYPE.
+ ///
+ EFI_RESOURCE_TYPE ResourceType;
+ ///
+ /// Resource attributes as defined by EFI_RESOURCE_ATTRIBUTE_TYPE.
+ ///
+ EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
+ ///
+ /// The physical start address of the resource region.
+ ///
+ EFI_PHYSICAL_ADDRESS PhysicalStart;
+ ///
+ /// The number of bytes of the resource region.
+ ///
+ UINT64 ResourceLength;
+} EFI_HOB_RESOURCE_DESCRIPTOR;
+
+///
+/// Allows writers of executable content in the HOB producer phase to
+/// maintain and manage HOBs with specific GUID.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_GUID_EXTENSION.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// A GUID that defines the contents of this HOB.
+ ///
+ EFI_GUID Name;
+ //
+ // Guid specific data goes here
+ //
+} EFI_HOB_GUID_TYPE;
+
+///
+/// Details the location of firmware volumes that contain firmware files.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// The physical memory-mapped base address of the firmware volume.
+ ///
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ ///
+ /// The length in bytes of the firmware volume.
+ ///
+ UINT64 Length;
+} EFI_HOB_FIRMWARE_VOLUME;
+
+///
+/// Details the location of a firmware volume that was extracted
+/// from a file within another firmware volume.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV2.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// The physical memory-mapped base address of the firmware volume.
+ ///
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ ///
+ /// The length in bytes of the firmware volume.
+ ///
+ UINT64 Length;
+ ///
+ /// The name of the firmware volume.
+ ///
+ EFI_GUID FvName;
+ ///
+ /// The name of the firmware file that contained this firmware volume.
+ ///
+ EFI_GUID FileName;
+} EFI_HOB_FIRMWARE_VOLUME2;
+
+
+///
+/// Describes processor information, such as address space and I/O space capabilities.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_CPU.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+ ///
+ /// Identifies the maximum physical memory addressability of the processor.
+ ///
+ UINT8 SizeOfMemorySpace;
+ ///
+ /// Identifies the maximum physical I/O addressability of the processor.
+ ///
+ UINT8 SizeOfIoSpace;
+ ///
+ /// This field will always be set to zero.
+ ///
+ UINT8 Reserved[6];
+} EFI_HOB_CPU;
+
+
+///
+/// Describes pool memory allocations.
+///
+typedef struct {
+ ///
+ /// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_POOL.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+} EFI_HOB_MEMORY_POOL;
+
+///
+/// Each UEFI capsule HOB details the location of a UEFI capsule. It includes a base address and length
+/// which is based upon memory blocks with a EFI_CAPSULE_HEADER and the associated
+/// CapsuleImageSize-based payloads. These HOB's shall be created by the PEI PI firmware
+/// sometime after the UEFI UpdateCapsule service invocation with the
+/// CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flag set in the EFI_CAPSULE_HEADER.
+///
+typedef struct {
+ ///
+ /// The HOB generic header where Header.HobType = EFI_HOB_TYPE_UEFI_CAPSULE.
+ ///
+ EFI_HOB_GENERIC_HEADER Header;
+
+ ///
+ /// The physical memory-mapped base address of an UEFI capsule. This value is set to
+ /// point to the base of the contiguous memory of the UEFI capsule.
+ /// The length of the contiguous memory in bytes.
+ ///
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ UINT64 Length;
+} EFI_HOB_UEFI_CAPSULE;
+
+///
+/// Union of all the possible HOB Types.
+///
+typedef union {
+ EFI_HOB_GENERIC_HEADER *Header;
+ EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;
+ EFI_HOB_MEMORY_ALLOCATION *MemoryAllocation;
+ EFI_HOB_MEMORY_ALLOCATION_BSP_STORE *MemoryAllocationBspStore;
+ EFI_HOB_MEMORY_ALLOCATION_STACK *MemoryAllocationStack;
+ EFI_HOB_MEMORY_ALLOCATION_MODULE *MemoryAllocationModule;
+ EFI_HOB_RESOURCE_DESCRIPTOR *ResourceDescriptor;
+ EFI_HOB_GUID_TYPE *Guid;
+ EFI_HOB_FIRMWARE_VOLUME *FirmwareVolume;
+ EFI_HOB_FIRMWARE_VOLUME2 *FirmwareVolume2;
+ EFI_HOB_CPU *Cpu;
+ EFI_HOB_MEMORY_POOL *Pool;
+ EFI_HOB_UEFI_CAPSULE *Capsule;
+ UINT8 *Raw;
+} EFI_PEI_HOB_POINTERS;
+
+
+#endif
Code Review / kvmfornfv.git / blobdiff