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- /** @file
- This includes some definitions introduced in UEFI that will be used in both PEI and DXE phases.
-
- Copyright (c) 2006 - 2010, 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.
-
- **/
-
- #ifndef __UEFI_MULTIPHASE_H__
- #define __UEFI_MULTIPHASE_H__
-
- #include <ipxe/efi/Guid/WinCertificate.h>
- ///
- /// Enumeration of memory types introduced in UEFI.
- ///
- typedef enum {
- ///
- /// Not used.
- ///
- EfiReservedMemoryType,
- ///
- /// The code portions of a loaded application.
- /// (Note that UEFI OS loaders are UEFI applications.)
- ///
- EfiLoaderCode,
- ///
- /// The data portions of a loaded application and the default data allocation
- /// type used by an application to allocate pool memory.
- ///
- EfiLoaderData,
- ///
- /// The code portions of a loaded Boot Services Driver.
- ///
- EfiBootServicesCode,
- ///
- /// The data portions of a loaded Boot Serves Driver, and the default data
- /// allocation type used by a Boot Services Driver to allocate pool memory.
- ///
- EfiBootServicesData,
- ///
- /// The code portions of a loaded Runtime Services Driver.
- ///
- EfiRuntimeServicesCode,
- ///
- /// The data portions of a loaded Runtime Services Driver and the default
- /// data allocation type used by a Runtime Services Driver to allocate pool memory.
- ///
- EfiRuntimeServicesData,
- ///
- /// Free (unallocated) memory.
- ///
- EfiConventionalMemory,
- ///
- /// Memory in which errors have been detected.
- ///
- EfiUnusableMemory,
- ///
- /// Memory that holds the ACPI tables.
- ///
- EfiACPIReclaimMemory,
- ///
- /// Address space reserved for use by the firmware.
- ///
- EfiACPIMemoryNVS,
- ///
- /// Used by system firmware to request that a memory-mapped IO region
- /// be mapped by the OS to a virtual address so it can be accessed by EFI runtime services.
- ///
- EfiMemoryMappedIO,
- ///
- /// System memory-mapped IO region that is used to translate memory
- /// cycles to IO cycles by the processor.
- ///
- EfiMemoryMappedIOPortSpace,
- ///
- /// Address space reserved by the firmware for code that is part of the processor.
- ///
- EfiPalCode,
- EfiMaxMemoryType
- } EFI_MEMORY_TYPE;
-
- ///
- /// Data structure that precedes all of the standard EFI table types.
- ///
- typedef struct {
- ///
- /// A 64-bit signature that identifies the type of table that follows.
- /// Unique signatures have been generated for the EFI System Table,
- /// the EFI Boot Services Table, and the EFI Runtime Services Table.
- ///
- UINT64 Signature;
- ///
- /// The revision of the EFI Specification to which this table
- /// conforms. The upper 16 bits of this field contain the major
- /// revision value, and the lower 16 bits contain the minor revision
- /// value. The minor revision values are limited to the range of 00..99.
- ///
- UINT32 Revision;
- ///
- /// The size, in bytes, of the entire table including the EFI_TABLE_HEADER.
- ///
- UINT32 HeaderSize;
- ///
- /// The 32-bit CRC for the entire table. This value is computed by
- /// setting this field to 0, and computing the 32-bit CRC for HeaderSize bytes.
- ///
- UINT32 CRC32;
- ///
- /// Reserved field that must be set to 0.
- ///
- UINT32 Reserved;
- } EFI_TABLE_HEADER;
-
- ///
- /// Attributes of variable.
- ///
- #define EFI_VARIABLE_NON_VOLATILE 0x00000001
- #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
- #define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
- #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x00000008
-
- ///
- /// This attribute is identified by the mnemonic 'HR'
- /// elsewhere in this specification.
- ///
- #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
-
- ///
- /// AuthInfo is a WIN_CERTIFICATE using the wCertificateType
- /// WIN_CERTIFICATE_UEFI_GUID and the CertType
- /// EFI_CERT_TYPE_RSA2048_SHA256. If the attribute specifies
- /// authenticated access, then the Data buffer should begin with an
- /// authentication descriptor prior to the data payload and DataSize
- /// should reflect the the data.and descriptor size. The caller
- /// shall digest the Monotonic Count value and the associated data
- /// for the variable update using the SHA-256 1-way hash algorithm.
- /// The ensuing the 32-byte digest will be signed using the private
- /// key associated w/ the public/private 2048-bit RSA key-pair. The
- /// WIN_CERTIFICATE shall be used to describe the signature of the
- /// Variable data *Data. In addition, the signature will also
- /// include the MonotonicCount value to guard against replay attacks.
- ///
- typedef struct {
- ///
- /// Included in the signature of
- /// AuthInfo.Used to ensure freshness/no
- /// replay. Incremented during each
- /// "Write" access.
- ///
- UINT64 MonotonicCount;
- ///
- /// Provides the authorization for the variable
- /// access. It is a signature across the
- /// variable data and the Monotonic Count
- /// value. Caller uses Private key that is
- /// associated with a public key that has been
- /// provisioned via the key exchange.
- ///
- WIN_CERTIFICATE_UEFI_GUID AuthInfo;
- } EFI_VARIABLE_AUTHENTICATION;
-
- #endif
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