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Name Size
  audio
  backends
  block
  bsd-user
  default-configs
  disas
  docs
  fpu
  fsdev
  gdb-xml
  hw
  include
  libcacard
  linux-headers
  linux-user
  net
  pc-bios
  po
  qapi
  qga
  qobject
  qom
  roms
  scripts
  slirp
  stubs
  sysconfigs
  target-alpha
  target-arm
  target-cris
  target-i386
  target-lm32
  target-m68k
  target-microblaze
  target-mips
  target-moxie
  target-openrisc
  target-ppc
  target-s390x
  target-sh4
  target-sparc
  target-unicore32
  target-xtensa
  tcg
  tests
  trace
  ui
  util
.exrc 220 Bytes
.gitignore 1.7 kB
.gitmodules 810 Bytes
.mailmap 1.3 kB
CODING_STYLE 3.1 kB
COPYING 17.6 kB
COPYING.LIB 25.8 kB
Changelog 22.6 kB
HACKING 7 kB
LICENSE 846 Bytes
MAINTAINERS 16 kB
Makefile 17.1 kB
Makefile.objs 3.9 kB
Makefile.target 5.1 kB
README 88 Bytes
VERSION 7 Bytes
aio-posix.c 6.4 kB
aio-win32.c 6.1 kB
arch_init.c 33 kB
async.c 6.9 kB
balloon.c 3.7 kB
block-migration.c 22.5 kB
block.c 128.7 kB
blockdev-nbd.c 3 kB
blockdev.c 67.3 kB
blockjob.c 7.6 kB
bt-host.c 5.2 kB
bt-vhci.c 4.5 kB
configure 123.5 kB
coroutine-gthread.c 5.8 kB
coroutine-sigaltstack.c 8.3 kB
coroutine-ucontext.c 5.6 kB
coroutine-win32.c 2.6 kB
cpu-exec.c 29.3 kB
cpus.c 37 kB
cputlb.c 10.9 kB
device-hotplug.c 2.2 kB
device_tree.c 8.6 kB
disas.c 13.6 kB
dma-helpers.c 7 kB
dtc 0 Bytes
dump.c 23.2 kB
exec.c 71.6 kB
gdbstub.c 43.2 kB
hmp-commands.hx 47 kB
hmp.c 46.2 kB
hmp.h 4.3 kB
iohandler.c 6 kB
ioport.c 8.9 kB
kvm-all.c 52.6 kB
kvm-stub.c 2.4 kB
main-loop.c 13.5 kB
memory.c 57.5 kB
memory_mapping.c 10.3 kB
migration-exec.c 1.8 kB
migration-fd.c 1.6 kB
migration-rdma.c 104.9 kB
migration-tcp.c 2.3 kB
migration-unix.c 2.3 kB
migration.c 18.8 kB
monitor.c 142.4 kB
nbd.c 30.6 kB
os-posix.c 8.5 kB
os-win32.c 4.2 kB
page_cache.c 5 kB
pixman 0 Bytes
qapi-schema.json 113.8 kB
qdev-monitor.c 19.8 kB
qdict-test-data.txt 88.4 kB
qemu-bridge-helper.c 11.1 kB
qemu-char.c 98.7 kB
qemu-coroutine-io.c 3 kB
qemu-coroutine-lock.c 5 kB
qemu-coroutine-sleep.c 1.3 kB
qemu-coroutine.c 3 kB
qemu-doc.texi 89.7 kB
qemu-img-cmds.hx 2.5 kB
qemu-img.c 74.9 kB
qemu-img.texi 16.8 kB
qemu-io-cmds.c 52.3 kB
qemu-io.c 10.8 kB
qemu-log.c 4.8 kB
qemu-nbd.c 17.7 kB
qemu-nbd.texi 2.1 kB
qemu-options-wrapper.h 1 kB
qemu-options.h 1.4 kB
qemu-options.hx 112.8 kB
qemu-seccomp.c 7.7 kB
qemu-tech.texi 22.9 kB
qemu-timer.c 15.8 kB
qemu.nsi 7.2 kB
qemu.sasl 1.3 kB
qmp-commands.hx 86.2 kB
qmp.c 13.7 kB
qtest.c 13.6 kB
readline.c 13.2 kB
rules.mak 6.1 kB
savevm.c 65.1 kB
spice-qemu-char.c 8.8 kB
tcg-runtime.c 2.4 kB
tci.c 35.6 kB
thread-pool.c 9.5 kB
thunk.c 8.8 kB
tpm.c 7.6 kB
trace-events 78 kB
translate-all.c 53.2 kB
translate-all.h 1.2 kB
user-exec.c 19.8 kB
version.rc 797 Bytes
vl.c 120.7 kB
xbzrle.c 4 kB
xen-all.c 35.7 kB
xen-mapcache.c 12.4 kB
xen-stub.c 1.2 kB

Latest revisions

# Date Author Comment
1a848fd4 11/07/2013 02:58 pm Jeff Cody

block: vhdx - add region overlap detection for image files

Regions in the image file cannot overlap - the log, region tables,
and metdata must all be unique and non-overlapping.

This adds region checking by means of a QLIST; there can be a variable
number of regions and metadata (there may be metadata or region tables...
8adc5233 11/07/2013 02:58 pm Jeff Cody

block: vhdx - add log write support

This adds support for writing to the VHDX log.

For spec details, see VHDX Specification Format v1.00:
https://www.microsoft.com/en-us/download/details.aspx?id=34750

There are a few limitations to this log support:
1.) There is no caching yet...
d92aa883 11/07/2013 02:58 pm Jeff Cody

block: vhdx write support

This adds support for writing to VHDX image files, using coroutines.
Writes into the BAT table goes through the VHDX log. Currently, BAT
table writes occur when expanding a dynamic VHDX file, and allocating a
new BAT entry.

Signed-off-by: Jeff Cody <>...
4f18b782 11/07/2013 02:58 pm Jeff Cody

block: vhdx - add header update capability.

This adds the ability to update the headers in a VHDX image, including
generating a new MS-compatible GUID.

As VHDX depends on uuid.h, VHDX is now a configurable build option. If
VHDX support is enabled, that will also enable uuid as well. The...
28541d46 11/07/2013 02:58 pm Jeff Cody

block: vhdx code movement - VHDXMetadataEntries and BDRVVHDXState to header.

In preparation for VHDX log support, move these structures to the
header.

Signed-off-by: Jeff Cody <>
Signed-off-by: Stefan Hajnoczi <>
625565d2 11/07/2013 02:58 pm Jeff Cody

block: vhdx - log support struct and defines

This adds some magic number defines, and internal structure definitions
for VHDX log replay support. The struct VHDXLogEntries does not reflect
an on-disk data structure, and thus does not need to be packed.
...
0f48e8f0 11/07/2013 02:58 pm Jeff Cody

block: vhdx - break endian translation functions out

This moves the endian translation functions out from the vhdx.c source,
into a separate source file. In addition to the previously defined
endian functions, new endian translation functions for log support are...
c3906c5e 11/07/2013 02:58 pm Jeff Cody

block: vhdx - update log guid in header, and first write tracker

Allow tracking of first file write in the VHDX image, as well as
the ability to update the GUID in the header. This is in preparation
for log support.

Signed-off-by: Jeff Cody <>...
c46415af 11/07/2013 02:58 pm Jeff Cody

block: vhdx code movement - move vhdx_close() above vhdx_open()

Signed-off-by: Jeff Cody <>
Signed-off-by: Stefan Hajnoczi <>
0a43a1b5 11/07/2013 02:58 pm Jeff Cody

block: vhdx - log parsing, replay, and flush support

This adds support for VHDX v0 logs, as specified in Microsoft's
VHDX Specification Format v1.00:
https://www.microsoft.com/en-us/download/details.aspx?id=34750

The following support is added:

  • Log parsing, and validation - validate that an existing log...

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