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Update code comments according to intel framework specification.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8724 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2009-07-02 08:52:18 +00:00
parent e1d8d892f2
commit aa4a31e348
3 changed files with 91 additions and 39 deletions
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80
IntelFrameworkPkg/Include/Guid/Capsule.h
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@@ -1,5 +1,5 @@
/** @file
GUIDs used for EFI Capsule
Framework Capule related Definition.
Copyright (c) 2007 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
@@ -10,11 +10,8 @@
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: Capsule.h
@par Revision Reference:
GUIDs defined in Capsule Spec Version 0.9
Capsule Spec Version 0.9
**/
#ifndef _CAPSULE_GUID_H__
@@ -39,11 +36,11 @@
0x98B8D59B, 0xE8BA, 0x48EE, {0x98, 0xDD, 0xC2, 0x95, 0x39, 0x2F, 0x1E, 0xDB } \
}
//
// Bits in the flags field of the capsule header
//
#define EFI_CAPSULE_HEADER_FLAG_SETUP 0x00000001 // supports setup changes
///
/// Bits in the flags field of the capsule header
/// This flag is set if the capsule can support setup changes and clear if it cannot.
///
#define EFI_CAPSULE_HEADER_FLAG_SETUP 0x00000001
#define CAPSULE_BLOCK_DESCRIPTOR_SIGNATURE SIGNATURE_32 ('C', 'B', 'D', 'S')
@@ -67,19 +64,82 @@ typedef struct {
} EFI_CAPSULE_OEM_HEADER;
typedef struct {
///
/// A defined GUID that indicates the start of a capsule.
///
EFI_GUID CapsuleGuid;
///
/// The size of the EFI_CAPSULE_HEADER structure.
///
UINT32 HeaderSize;
///
/// A bit-mapped list describing the capsule<6C><65>s attributes.
/// All undefined bits should be written as zero (0)
///
UINT32 Flags;
///
/// The length in bytes (27,415 for an image containing 27,415 bytes) of the entire image
/// including all headers. If the this value is greater than the size of the data presented in
/// the capsule body, this means that the image is separated across multiple media. If this
/// value is less than the size of the data, it is an error.
///
UINT32 CapsuleImageSize;
///
/// A zero-based number that enables a capsule to be split into pieces and then
/// recombined for easier transfer across media with limited size. The lower the
/// SequenceNumber, the earlier in the final image that the part of the capsule is to
/// appear. In capsules that are not split, this value shall be zero.
///
UINT32 SequenceNumber;
///
/// Used to group the various pieces of a split capsule to ensure that they comprise the
/// same base image. It is valid for this item to be zero, in which case the capsule cannot
/// be split into components.
///
EFI_GUID InstanceId;
///
/// The offset in bytes from the beginning of the header to the start of an EFI string that
/// contains a description of the identity of the subcapsules that make up the capsule. If
/// the capsule is not split, this value should be zero. The same string should be
/// presented for all subcapsules that constitute the same capsule.
///
UINT32 OffsetToSplitInformation;
///
/// The offset in bytes from the beginning of the header to the start of the part of the
/// capsule that is to be transferred to DXE.
///
UINT32 OffsetToCapsuleBody;
///
/// The offset in bytes from the beginning of the header to the start of the OEM-defined
/// header. This value must be less than OffsetToCapsuleBody.
///
UINT32 OffsetToOemDefinedHeader;
///
/// The offset in bytes from the beginning of the header to the start of human-readable
/// text that describes the entity that created the capsule. This value must be less than OffsetToCapsuleBody.
///
UINT32 OffsetToAuthorInformation;
///
/// The offset in bytes from the beginning of the header to the start of human-readable
/// text that describes the revision of the capsule and/or the capsule<6C><65>s contents. This
/// value must be less than OffsetToCapsuleBody.
///
UINT32 OffsetToRevisionInformation;
///
/// The offset in bytes from the beginning of the header to the start of a one-line (less
/// than 40 Unicode characters in any language) description of the capsule. It is intended
/// to be used by OS-present applications when providing a list of capsules from which
/// the user can choose. This value must be less than OffsetToCapsuleBody.
///
UINT32 OffsetToShortDescription;
///
/// The offset in bytes from the beginning of the header to the start of an EFI string
///
UINT32 OffsetToLongDescription;
///
/// This field is reserved for future use by this specification. For future compatibility,
/// this field must be set to zero
///
UINT32 OffsetToApplicableDevices;
} FRAMEWORK_EFI_CAPSULE_HEADER;