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| author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-10 08:22:03 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-10 08:22:03 +0000 |
| commit | 1bf793701b3af2a002bd5cd11a1cc7c02cdb141d (patch) | |
| tree | 2ffbc71b63a2bc8373c9951622a5fa8dc24a2835 /MdePkg/Include/Uefi/UefiGpt.h | |
| parent | 2c6d600e1cf7a20ce92da563acfc7258c3c2bb7b (diff) | |
| download | edk2-platforms-1bf793701b3af2a002bd5cd11a1cc7c02cdb141d.tar.xz | |
Add comments for enumeration, structure data members those are referred by UefiService, Runtime Service, Dxe Service and Pei Service.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6974 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Uefi/UefiGpt.h')
| -rw-r--r-- | MdePkg/Include/Uefi/UefiGpt.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/MdePkg/Include/Uefi/UefiGpt.h b/MdePkg/Include/Uefi/UefiGpt.h index 5ae762db07..da5f187c52 100644 --- a/MdePkg/Include/Uefi/UefiGpt.h +++ b/MdePkg/Include/Uefi/UefiGpt.h @@ -32,15 +32,53 @@ /// GPT Partition Table Header
///
typedef struct {
+ ///
+ /// The table header for the GPT partition Table.
+ /// This header contains EFI_PTAB_HEADER_ID
+ ///
EFI_TABLE_HEADER Header;
+ ///
+ /// The LBA that contains this data structure.
+ ///
EFI_LBA MyLBA;
+ ///
+ /// LBA address of the alternate GUID Partition Table Header.
+ ///
EFI_LBA AlternateLBA;
+ ///
+ /// The first usable logical block that may be used
+ /// by a partition described by a GUID Partition Entry.
+ ///
EFI_LBA FirstUsableLBA;
+ ///
+ /// The last usable logical block that may be used
+ /// by a partition described by a GUID Partition Entry.
+ ///
EFI_LBA LastUsableLBA;
+ ///
+ /// GUID that can be used to uniquely identify the disk.
+ ///
EFI_GUID DiskGUID;
+ ///
+ /// The starting LBA of the GUID Partition Entry array.
+ ///
EFI_LBA PartitionEntryLBA;
+ ///
+ /// The number of Partition Entries in the GUID Partition Entry array.
+ ///
UINT32 NumberOfPartitionEntries;
+ ///
+ /// The size, in bytes, of each the GUID Partition
+ /// Entry structures in the GUID Partition Entry
+ /// array. Must be a multiple of 8.
+ ///
UINT32 SizeOfPartitionEntry;
+ ///
+ /// The CRC32 of the GUID Partition Entry array.
+ /// Starts at PartitionEntryLBA and is
+ /// computed over a byte length of
+ /// NumberOfPartitionEntries * SizeOfPartitionEntry.
+ ///
UINT32 PartitionEntryArrayCRC32;
} EFI_PARTITION_TABLE_HEADER;
@@ -48,11 +86,35 @@ typedef struct { /// GPT Partition Entry
///
typedef struct {
+ ///
+ /// Unique ID that defines the purpose and type of this Partition. A value of
+ /// zero defines that this partition entry is not being used.
+ ///
EFI_GUID PartitionTypeGUID;
+ ///
+ /// GUID that is unique for every partition entry. Every partition ever
+ /// created will have a unique GUID.
+ /// This GUID must be assigned when the GUID Partition Entry is created.
+ ///
EFI_GUID UniquePartitionGUID;
+ ///
+ /// Starting LBA of the partition defined by this entry
+ ///
EFI_LBA StartingLBA;
+ ///
+ /// Ending LBA of the partition defined by this entry.
+ ///
EFI_LBA EndingLBA;
+ ///
+ /// Attribute bits, all bits reserved by UEFI
+ /// Bit 0 Required for the platform to function.
+ /// Bits 1-47 Undefined and must be zero.
+ /// Bits 48-63 Reserved for GUID specific use.
+ ///
UINT64 Attributes;
+ ///
+ /// Unicode string.
+ ///
CHAR16 PartitionName[36];
} EFI_PARTITION_ENTRY;
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