#------------------------------------------------------------------------------
-# $File: virtual,v 1.5 2014/04/30 21:41:02 christos Exp $
+# $File: virtual,v 1.7 2018/11/23 09:46:01 christos Exp $
# From: James Nobis <quel@quelrod.net>
# Microsoft hard disk images for:
# Virtual Server
# Virtual PC
-# http://technet.microsoft.com/en-us/virtualserver/bb676673.aspx
-# .vhd
+# VirtualBox
+# URL: http://fileformats.archiveteam.org/wiki/VHD_(Virtual_Hard_Disk)
+# Reference: https://download.microsoft.com/download/f/f/e/ffef50a5-07dd-4cf8-aaa3-442c0673a029/
+# Virtual%20Hard%20Disk%20Format%20Spec_10_18_06.doc
0 string conectix Microsoft Disk Image, Virtual Server or Virtual PC
+# alternative shorter names
+#0 string conectix Microsoft Virtual Hard Disk image
+#0 string conectix Microsoft Virtual HD image
+!:mime application/x-virtualbox-vhd
+!:ext vhd
+# Features is a bit field used to indicate specific feature support
+#>8 ubelong !0x00000002 \b, Features 0x%x
+# Reserved. This bit must always be set to 1.
+#>8 ubelong &0x00000002 \b, Reserved 0x%x
+# File Format Version for the current specification 0x00010000
+#>12 ubelong !0x00010000 \b, Version 0x%8.8x
+# Data Offset only found 0x200
+#>16 ubequad !0x200 \b, Data Offset 0x%llx
+#>16 ubequad x \b, at 0x%llx
+# Dynamic Disk Header cookie like cxsparse
+#>(16.Q) string x "%-.8s"
+# This field contains a Unicode string (UTF-16) of the parent hard disk filename
+#>(16.Q+64) ubequad x \b, parent name 0x%llx
+# Creator Application
+# vpc~Microsoft Virtual PC, vs~Microsoft Virtual Server, vbox~VirtualBox, d2v~disk2vhd
+>28 string x \b, Creator %-4.4s
+# Creator Version: 0x00010000~Virtual Server 2004, 0x00050000~Virtual PC 2004
+# holds the major/minor version of the application that created the image
+>32 ubeshort x %x
+>34 ubeshort x \b.%x
+#>32 ubelong x \b, Version 0x%8.8x
+# Creator Host OS: 0x5769326B~Windows (Wi2k), 0x4D616320~Macintosh (Mac)
+>36 ubelong x (
+>>36 ubelong 0x5769326B \bW2k
+>>36 ubelong 0x4D616320 \bMac
+>>36 default x \b0x
+>>>36 ubelong x \b%8.8x
+# creation Time in seconds since 1 Jan 2000 UTC~946684800 sec. since Unix Epoch
+>24 bedate+946684800 x \b) %s
+# Original Size
+#>40 ubequad x \b, o.-Size 0x%llx
+# Current Size is same as original size, but change when disk is expanded
+#>48 ubequad x \b, Size 0x%llx
+>48 ubequad x \b, %llu bytes
+# Disk Geometry: cylinder, heads, and sectors/track for hard disk
+#>56 ubeshort x \b, Cylinder 0x%x
+>56 ubeshort x \b, CHS %u
+# Heads
+#>58 ubyte x \b, Heads 0x%x
+>58 ubyte x \b/%u
+# Sectors per track
+#>59 ubyte x \b, Sectors 0x%x
+>59 ubyte x \b/%u
+# Disk Type: 3~Dynamic hard disk
+>60 ubelong !0x3 \b, type 0x%x
+# Checksum
+#>64 ubelong x \b, cksum 0x%x
+# universally unique identifier (UUID) to associate a parent with its differencing image
+#>68 ubequad x \b, id 0x%16.16llx
+#>76 ubequad x \b-%16.16llx
+# Saved State: 1~Saved State
+>84 ubyte !0 \b, State 0x%x
+# Reserved 427 bytes with nils
+#>85 ubequad !0 \b, Reserved 0x%16.16llx
# libvirt
# From: Philipp Hahn <hahn@univention.de>
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