Unit VirtualDisk

`vmwareFileExtension = '.vmdk';`

`vmwareFileMask = '*.vmdk';`

`vmwareNoParentCID = $FFFFFFFF;`	not($00000000)

`vmwareSparseMagicNumber = $564d444b;`	'VMDK'

`vmwareEsxSparseMagicNumber = $44574f43;`	'COWD'
`vmwareEsxSparseMaxParentLength = 1024;`	COWDISK_MAX_PARENT_FILELEN
`vmwareEsxSparseMaxNameLength = 60;`	COWDISK_MAX_NAME_LEN
`vmwareEsxSparseMaxDescriptionLength = 512;`	COWDISK_MAX_DESC_LEN

`vmwareSectorSize = 512;`

`vmwareTagDisk = 'Disk DescriptorFile';`
`vmwareTagVersion = 'version';`
`vmwareTagCID = 'CID';`
`vmwareTagParentCID = 'parentCID';`
`vmwareTagCreateType = 'createType';`
`vmwareTagExtent = 'Extent Description';`
`vmwareTagDatabase = 'The Disk Data Base';`
`vmwareTagDDB = 'DDB';`
`vmwareTagAdapter = 'ddb.adapterType';`
`vmwareTagSectors = 'ddb.geometry.sectors';`
`vmwareTagHeads = 'ddb.geometry.heads';`
`vmwareTagCylinders = 'ddb.geometry.cylinders';`
`vmwareTagParentHint = 'parentFileNameHint';`

`vmwareMaxCreateType = 11;`
`vmwareCreateType_monolithicSparse = 0;`
`vmwareCreateType_vmfsSparse = 1;`
`vmwareCreateType_monolithicFlat = 2;`
`vmwareCreateType_vmfs = 3;`
`vmwareCreateType_twoGbMaxExtentSparse = 4;`
`vmwareCreateType_twoGbMaxExtentFlat = 5;`
`vmwareCreateType_fullDevice = 6;`
`vmwareCreateType_vmfsRaw = 7;`
`vmwareCreateType_partitionedDevice = 8;`
`vmwareCreateType_vmfsRawDeviceMap = 9;`
`vmwareCreateType_vmfsPassthroughRawDeviceMap = 10;`
`vmwareCreateType_streamOptimized = 11;`

Contents

`VIRTUAL_DEVICE_DESCRIPTION = 'Virtual Disk Device';`
`VIRTUAL_CONTROLLER_DESCRIPTION = 'Virtual Disk Controller';`

`vmwareMaxExtentType = 6;`
`vmwareExtentType_FLAT = 0;`
`vmwareExtentType_SPARSE = 1;`
`vmwareExtentType_ZERO = 2;`
`vmwareExtentType_VMFS = 3;`
`vmwareExtentType_VMFSSPARSE = 4;`
`vmwareExtentType_VMFSRDM = 5;`
`vmwareExtentType_VMFSRAW = 6;`

`vmwareFlagValidTest = $00000001;`	bit 0: valid new line detection test
`vmwareFlagRedundantGrain = $00000002;`	bit 1: redundant grain table will be used
`vmwareFlagGrainCompressed = $00010000;`	bit 16: the grains are compressed. The type of compression is described by compressAlgorithm
`vmwareFlagLBAMarkers = $00020000;`	bit 17: there are markers in the virtual disk to identify every block of metadata or data and the markers for the virtual machine data contain a LBA

`vmwareCompressionNone = 0;`
`vmwareCompressionDeflate = 1;`	The deflate algorithm is described in RFC 1951

`vpcFileExtension = '.vhd';`
`vpcUndoExtension = '.vud';`

`vpcFileMask = '*.vhd';`
`vpcUndoMask = '*.vud';`
`vpcSplitMask = '*.v??';`	.v01, v02 etc up to 64

`vpcFooterCookie = 'conectix';`
`vpcDynamicCookie = 'cxsparse';`

`vpcMaxDiskExtents = 64;`	Maximum number of 4GB split files in a disk image
`vpcExtentMaxSize = 4294967296;`	Maximum size of s split file (4GB)

`vpcUnixTimeOffset = 946684800;`	Offset from 1/1/1970 to 1/1/2000

`vpcFooterVersion = $00010000;`
`vpcDynamicVersion = $00010000;`

`vpcSectorSize = 512;`

`vpcUnallocatedBlock = $FFFFFFFF;`
`vpcFixedDiskTableOffset = $FFFFFFFFFFFFFFFF;`
`vpcDynamicDiskDataOffset = $FFFFFFFFFFFFFFFF;`

`vpcMaxBlockGroup = $FF;`
`vpcBlockGroupMask = $FF;`
`vpcBlockGroupOffset = $100;`

`vpcCreatorWindows = $5769326B;`	Wi2k
`vpcCreatorMacintosh = $4D616320;`	Mac

`vpcPlatformNone = $00000000;`
`vpcPlatformWi2r = $57693272;`	Wi2r deprecated
`vpcPlatformWi2k = $5769326B;`	Wi2k deprecated
`vpcPlatformW2ru = $57327275;`	W2ru Unicode pathname (UTF-16) on Windows relative to the differencing disk pathname
`vpcPlatformW2ku = $57326B75;`	W2ku Absolute Unicode (UTF-16) pathname on Windows
`vpcPlatformMac = $4D616320;`	Mac OS alias stored as a blob
`vpcPlatformMacX = $4D616358;`	MacX A file URL with UTF-8 encoding conforming to RFC 2396

`vpcBitmapMaskBits = 32;`	LongWord Bitmap Masks
`vpcBitmapMaskNone = $00000000;`	LongWord (Used for fast counting of free blocks)
`vpcBitmapMaskAll = $FFFFFFFF;`	LongWord (Used for fast counting of used blocks)

`vpcBitmapMasks:array[0..31] of LongWord = (`
`$00000001,$00000002,$00000004,$00000008,$00000010,$00000020,$00000040,$00000080,`
`$00000100,$00000200,$00000400,$00000800,$00001000,$00002000,$00004000,$00008000,`
`$00010000,$00020000,$00040000,$00080000,$00100000,$00200000,$00400000,$00800000,`
`$01000000,$02000000,$04000000,$08000000,$10000000,$20000000,$40000000,$80000000);`

`vpcBitmapMasks:array[0..31] of LongWord = (`	Ordered to allow for big endian bitmap
`$00000080,$00000040,$00000020,$00000010,$00000008,$00000004,$00000002,$00000001,`
`$00008000,$00004000,$00002000,$00001000,$00000800,$00000400,$00000200,$00000100,`
`$00800000,$00400000,$00200000,$00100000,$00080000,$00040000,$00020000,$00010000,`
`$80000000,$40000000,$20000000,$10000000,$08000000,$04000000,$02000000,$01000000);`

`vmwareMaxDiskType = 0;`
`vmwareDiskTypeNone = 0;`

`vboxFileExtension = '.vdi';`

`vboxDiskBanner = '<<< Sun xVM VirtualBox Disk Image >>>';`	Plus a LF character in some images (#10)
`vboxDiskVersion = $00010001;`
`vboxDiskSignature = $BEDA107F;`

`vboxFileMask = '*.vdi';`
`vboxPathMask = '.';`
`vboxDeltaPath = '..\Machines\';`
`vboxParentPath = '..\..\..\VDI\';`
`vboxNewParentPath = '..\..\..\HardDisks\';`
`vboxSnapshotPath = '\Snapshots\';`

`vboxUnallocatedBlock = $FFFFFFFF;`