2 This includes some definitions introduced in UEFI that will be used in both PEI and DXE phases.
4 Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #ifndef __UEFI_MULTIPHASE_H__
16 #define __UEFI_MULTIPHASE_H__
18 FILE_LICENCE ( BSD3 );
20 #include <ipxe/efi/Guid/WinCertificate.h>
22 /// Enumeration of memory types introduced in UEFI.
28 EfiReservedMemoryType,
30 /// The code portions of a loaded application.
31 /// (Note that UEFI OS loaders are UEFI applications.)
35 /// The data portions of a loaded application and the default data allocation
36 /// type used by an application to allocate pool memory.
40 /// The code portions of a loaded Boot Services Driver.
44 /// The data portions of a loaded Boot Serves Driver, and the default data
45 /// allocation type used by a Boot Services Driver to allocate pool memory.
49 /// The code portions of a loaded Runtime Services Driver.
51 EfiRuntimeServicesCode,
53 /// The data portions of a loaded Runtime Services Driver and the default
54 /// data allocation type used by a Runtime Services Driver to allocate pool memory.
56 EfiRuntimeServicesData,
58 /// Free (unallocated) memory.
60 EfiConventionalMemory,
62 /// Memory in which errors have been detected.
66 /// Memory that holds the ACPI tables.
70 /// Address space reserved for use by the firmware.
74 /// Used by system firmware to request that a memory-mapped IO region
75 /// be mapped by the OS to a virtual address so it can be accessed by EFI runtime services.
79 /// System memory-mapped IO region that is used to translate memory
80 /// cycles to IO cycles by the processor.
82 EfiMemoryMappedIOPortSpace,
84 /// Address space reserved by the firmware for code that is part of the processor.
91 /// Data structure that precedes all of the standard EFI table types.
95 /// A 64-bit signature that identifies the type of table that follows.
96 /// Unique signatures have been generated for the EFI System Table,
97 /// the EFI Boot Services Table, and the EFI Runtime Services Table.
101 /// The revision of the EFI Specification to which this table
102 /// conforms. The upper 16 bits of this field contain the major
103 /// revision value, and the lower 16 bits contain the minor revision
104 /// value. The minor revision values are limited to the range of 00..99.
108 /// The size, in bytes, of the entire table including the EFI_TABLE_HEADER.
112 /// The 32-bit CRC for the entire table. This value is computed by
113 /// setting this field to 0, and computing the 32-bit CRC for HeaderSize bytes.
117 /// Reserved field that must be set to 0.
123 /// Attributes of variable.
125 #define EFI_VARIABLE_NON_VOLATILE 0x00000001
126 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
127 #define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004
129 /// This attribute is identified by the mnemonic 'HR'
130 /// elsewhere in this specification.
132 #define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x00000008
134 /// Attributes of Authenticated Variable
136 #define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
137 #define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
138 #define EFI_VARIABLE_APPEND_WRITE 0x00000040
142 /// AuthInfo is a WIN_CERTIFICATE using the wCertificateType
143 /// WIN_CERTIFICATE_UEFI_GUID and the CertType
144 /// EFI_CERT_TYPE_RSA2048_SHA256_GUID. If the attribute specifies
145 /// authenticated access, then the Data buffer should begin with an
146 /// authentication descriptor prior to the data payload and DataSize
147 /// should reflect the the data.and descriptor size. The caller
148 /// shall digest the Monotonic Count value and the associated data
149 /// for the variable update using the SHA-256 1-way hash algorithm.
150 /// The ensuing the 32-byte digest will be signed using the private
151 /// key associated w/ the public/private 2048-bit RSA key-pair. The
152 /// WIN_CERTIFICATE shall be used to describe the signature of the
153 /// Variable data *Data. In addition, the signature will also
154 /// include the MonotonicCount value to guard against replay attacks.
158 /// Included in the signature of
159 /// AuthInfo.Used to ensure freshness/no
160 /// replay. Incremented during each
163 UINT64 MonotonicCount;
165 /// Provides the authorization for the variable
166 /// access. It is a signature across the
167 /// variable data and the Monotonic Count
168 /// value. Caller uses Private key that is
169 /// associated with a public key that has been
170 /// provisioned via the key exchange.
172 WIN_CERTIFICATE_UEFI_GUID AuthInfo;
173 } EFI_VARIABLE_AUTHENTICATION;
176 /// When the attribute EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS is
177 /// set, then the Data buffer shall begin with an instance of a complete (and serialized)
178 /// EFI_VARIABLE_AUTHENTICATION_2 descriptor. The descriptor shall be followed by the new
179 /// variable value and DataSize shall reflect the combined size of the descriptor and the new
180 /// variable value. The authentication descriptor is not part of the variable data and is not
181 /// returned by subsequent calls to GetVariable().
185 /// For the TimeStamp value, components Pad1, Nanosecond, TimeZone, Daylight and
186 /// Pad2 shall be set to 0. This means that the time shall always be expressed in GMT.
190 /// Only a CertType of EFI_CERT_TYPE_PKCS7_GUID is accepted.
192 WIN_CERTIFICATE_UEFI_GUID AuthInfo;
193 } EFI_VARIABLE_AUTHENTICATION_2;