Statistics
| Branch: | Revision:

root / qemu-options.hx @ 2a2af967

History | View | Annotate | Download (95.1 kB)

# Date Author Comment
6c263e26 02/16/2012 02:41 am Anthony Liguori

Merge remote-tracking branch 'qemu-kvm/uq/master' into staging

  • qemu-kvm/uq/master:
    apic: Fix legacy vmstate loading for KVM
    kvm: Implement kvm_irqchip_in_kernel like kvm_enabled
    kvm: Allow to set shadow MMU size
cf5cfe04 02/16/2012 02:40 am Anthony Liguori

Merge remote-tracking branch 'kraxel/vnc.2' into staging

  • kraxel/vnc.2:
    vnc: lift modifier keys on client disconnect.
    vnc: implement shared flag handling.
    vnc: fix ctrl key in vnc terminal emulation
    Fix vnc memory corruption with width = 1400
8cf36489 02/10/2012 10:58 am Gerd Hoffmann

vnc: implement shared flag handling.

VNC clients send a shared flag in the client init message. Up to now
qemu completely ignores this. This patch implements shared flag
handling. It comes with three policies: By default qemu behaves as one
would expect: Asking for a exclusive access grants exclusive access to...
f9dadc98 02/09/2012 05:17 pm Ronnie Sahlberg

iSCSI: add configuration variables for iSCSI

This patch adds configuration variables for iSCSI to set
initiator-name to use when logging in to the target,
which type of header-digest to negotiate with the target
and username and password for CHAP authentication....
39d6960a 02/08/2012 07:57 pm Jan Kiszka

kvm: Allow to set shadow MMU size

Introduce the KVM-specific machine option kvm_shadow_mem. It allows to
set a custom shadow MMU size for the virtual machine. This is useful for
stress testing e.g.

Only x86 supports this for now, but it is in principle a generic...
dc717bfd 02/08/2012 03:23 pm Anthony Liguori

Merge remote-tracking branch 'aneesh/for-upstream' into staging

  • aneesh/for-upstream:
    hw/9pfs: Remove O_NOATIME flag from 9pfs open() calls in readonly mode
    hw/9pfs: Update MAINTAINERS file
    fsdev: Fix parameter parsing for proxy helper
    hw/9pfs: Fix crash when mounting with synthfs...
a7c36ee4 02/02/2012 12:24 am Corey Bryant

Add support for net bridge

The most common use of -net tap is to connect a tap device to a bridge. This
requires the use of a script and running qemu as root in order to allocate a
tap device to pass to the script.

This model is great for portability and flexibility but it's incredibly...
6a48ffaa 01/19/2012 01:14 pm Jan Kiszka

kvm: Activate in-kernel irqchip support

Make the basic in-kernel irqchip support selectable via
-machine ...,kernel_irqchip=on. Leave it off by default until it can
fully replace user space models.

Signed-off-by: Jan Kiszka <>
2c30dd74 01/19/2012 08:51 am Aneesh Kumar K.V

hw/9pfs: Add new security model mapped-file.

This enable us to do passthrough equivalent security model on NFS directory.
NFS server mostly do root squashing and don't support xattr. Hence we cannot
use 'passthrough' or 'mapped' security model

Also added "mapped-xattr" security to indicate earlier "mapped" security model...
0e0e7fac 01/12/2012 06:34 pm Benjamin

Support for UDP unicast network backend

Signed-off-by: Benjamin MARSILI <>
Signed-off-by: Anthony Liguori <>
a2e4d53e 01/06/2012 08:51 pm Anthony Liguori

Merge remote-tracking branch 'stefanha/trivial-patches' into staging

  • stefanha/trivial-patches:
    qemu-nbd: drop loop which can never loop
    Make python mandatory
    net/socket.c: Fix fd leak in net_socket_listen_init() error paths
    gdbstub: Fix fd leak in gdbserver_open() error path...
d70d6b31 01/06/2012 05:07 pm Alon Levy

qemu-options.hx: fix tls-channel help text

Remove the default compiled out tunnel channel, add the always available
cursor channel. Optimally the man page would depend on compiled in
options, but that's harder to do.

RHBZ: 688586

Acked-by: Gerd Hoffmann <>...
84a87cc4 01/04/2012 05:53 pm M. Mohan Kumar

hw/9pfs: Add support to use named socket for proxy FS

Add option to use named socket for communicating between proxy helper
and qemu proxy FS. Access to socket can be given by using command line
options -u and -g.

Signed-off-by: M. Mohan Kumar <>...
f67e3ffd 01/04/2012 05:53 pm M. Mohan Kumar

hw/9pfs: Documentation changes related to proxy fs

Signed-off-by: M. Mohan Kumar <>
Signed-off-by: Aneesh Kumar K.V <>
a3adb7ad 12/19/2011 06:27 pm Michael Ellerman

vl.c: In qemu -h output, only print options for the arch we are running as

Only print options in the help output that are accepted by our arch.
This is less confusing for users and also for other programs that
consume the help output.

The options affected are:...
b1746ddd 12/19/2011 06:27 pm Michael Ellerman

Documentation: Move balloon option out of i386 only section

The balloon option is not i386 only, so move it into the standard
options section.

Signed-off-by: Michael Ellerman <>
Signed-off-by: Anthony Liguori <>
e7d81004 12/14/2011 01:09 pm Stefan Weil

Fix spelling in comments, documentation and messages

accidently->accidentally
annother->another
choosen->chosen
consideres->considers
decriptor->descriptor
developement->development
paramter->parameter
preceed->precede
preceeding->preceding
priviledge->privilege...
fb0490f6 12/05/2011 03:51 pm Stefan Hajnoczi

block: add -drive copy-on-read=on|off

This patch adds the -drive copy-on-read=on|off command-line option:

copy-on-read=on|off
  copy-on-read is "on" or "off" and enables whether to copy read backing
  file sectors into the image file.  Copy-on-read avoids accessing the...
0563e191 12/05/2011 03:51 pm Zhi Yong Wu

block: add the blockio limits command line support

Signed-off-by: Zhi Yong Wu <>
Signed-off-by: Stefan Hajnoczi <>
Signed-off-by: Kevin Wolf <>
8494a397 10/31/2011 06:09 pm Anthony Liguori

Merge remote-tracking branch 'kwolf/for-anthony' into staging

Conflicts:
block/vmdk.c
9db221ae 10/31/2011 09:04 am Aneesh Kumar K.V

hw/9pfs: Add synthetic file system support using 9p

This patch create a synthetic file system with mount tag
v_synth when -virtfs_synth command line option is specified
in qemu. The synthetic file system can be mounted in guest
using 9p using the below command line...
2c74c2cb 10/31/2011 09:04 am M. Mohan Kumar

hw/9pfs: Read-only support for 9p export

A new fsdev parameter "readonly" is introduced to control accessing 9p export.
"readonly" can be used to specify the access type. By default "rw" access
is given to 9p export.

Signed-off-by: M. Mohan Kumar <>...
d9990228 10/28/2011 08:25 pm Ronnie Sahlberg

Documentation: Add syntax for using sheepdog devices

Signed-off-by: Ronnie Sahlberg <>
Signed-off-by: Kevin Wolf <>
0f5314a2 10/28/2011 08:25 pm Ronnie Sahlberg

Documentation: Add iSCSI section

Add new section for device URL syntax for special files and describe the iSCSI
URL with examples

Signed-off-by: Ronnie Sahlberg <>
Reviewed-by: Stefan Hajnoczi <>
Signed-off-by: Kevin Wolf <>
08ae330e 10/28/2011 08:25 pm Ronnie Sahlberg

Documentation: Describe NBD URL syntax

This patch adds a short description of how to specify a NBD device
to QEMU.
Syntax for both TCP and Unix Domain Sockets are provided as well
as examples.

Signed-off-by: Ronnie Sahlberg <>
Signed-off-by: Kevin Wolf <>
1f99b949 10/20/2011 04:42 pm Anthony Liguori

Merge remote-tracking branch 'aneesh/for-upstream-6' into staging

Conflicts:
trace-events
d9b36a6e 10/15/2011 01:00 pm M. Mohan Kumar

hw/9pfs: Handle Security model parsing

Except local fs driver all other fs drivers (handle, synth) don't need
security model. Update fsdev parameter parsing accordingly.

Signed-off-by: M. Mohan Kumar <>
Signed-off-by: Aneesh Kumar K.V <>
7c92a3d2 10/15/2011 01:00 pm Aneesh Kumar K.V

qemu-options.hx: Update virtfs command documentation

Clarify the virtfs option better
Updates from:Sripathi Kodi <>

Signed-off-by: Aneesh Kumar K.V <>
3a846906 10/14/2011 04:36 pm Stefan Hajnoczi

qemu-options: avoid #if in spicevmc texi help

Preprocessor directives cannot be used in STEXI/ETEXI sections since
they are not passed through the preprocessor. The spicevmc chardev
option help currently uses #if, which is included verbatim in the man
page output....
d3ab98e6 10/12/2011 04:41 pm Aneesh Kumar K.V

hw/9pfs: Add new virtfs option writeout=immediate skip host page cache

writeout=immediate implies the after pwritev we do a sync_file_range.

Reviewed-by: Stefan Hajnoczi <>
Signed-off-by: Aneesh Kumar K.V <>
1ddeaa5d 09/10/2011 07:57 pm Max Filippov

target-xtensa: implement SIMCALL

Tensilica iss provides support for applications running in freestanding
environment through SIMCALL command. It is used by Tensilica libc to
access argc/argv, for file I/O, etc.

Note that simcalls that accept buffer addresses expect virtual addresses....
c1ba4e0b 09/09/2011 11:43 am Stefan Weil

qemu-options: Improve help texts for options which depend on configure

  • Replace "available only" by the more common "only available".
  • Tracing options depend on the configuration of the QEMU executable,
    so clarify the help text for both options.

Cc: Stefan Hajnoczi <>...
e2d8830e 09/03/2011 08:45 pm Brad

Allow overriding the location of Samba's smbd.

Allow overriding the location of Samba's smbd.

Pretty much every OS I look at has some means of
changing this path (patching) so lets just make
it easier for OS developers creating packages
and/or end users to override the location....
23d15e86 09/01/2011 12:34 pm Lluís

trace: add "-trace events" argument to control initial state

The "-trace events" argument can be used to provide a file with a list of trace
event names that will be enabled prior to starting execution, thus providing
early tracing.

This saves the user from manually toggling event states through the monitor...
9a82b6a5 09/01/2011 12:34 pm Lluís

trace: [stderr] add support for dynamically enabling/disabling events

Uses the generic interface provided in "trace/control.h" in order to provide
a programmatic interface as well as command line and monitor controls.

Signed-off-by: Fabien Chouteau <>...
6d8a764e 09/01/2011 12:34 pm Lluís

trace: [configure] rename CONFIG_*_TRACE into CONFIG_TRACE_*

Provides a more hierarchical view of the variable domain.

Also adds the CONFIG_TRACE_* variables for all backends.

[Stefan added missing 'test' in stap if statement]

Signed-off-by: Lluís Vilanova <>...
e4858974 09/01/2011 12:34 pm Lluís

trace: avoid conditional code compilation during option parsing

A default implementation for backend-specific routines is provided in
"trace/default.c", which backends can override by setting "trace_default=no" in
"configure".

Signed-off-by: Lluís Vilanova <>
92196b2f 08/23/2011 03:15 pm Stefan Hajnoczi

block: add cache=directsync parameter to -drive

This patch adds -drive cache=directsync for O_DIRECT | O_SYNC host file
I/O with no disk write cache presented to the guest.

This mode is useful when guests may not be sending flushes when
appropriate and therefore leave data at risk in case of power failure....
104bf02e 07/30/2011 12:33 pm Michael Tokarev

revamp acpitable parsing and allow to specify complete (headerful) table

This patch almost rewrites acpi_table_add() function
(but still leaves it using old get_param_value() interface).
The result is that it's now possible to specify whole table
(together with a header) in an external file, instead of just...
3d3b8303 07/29/2011 04:25 pm wayne

showing a splash picture when start

Added options to let qemu transfer two configuration files to bios:
"bootsplash.bmp" and "etc/boot-menu-wait", which could be specified by command
    -boot splash=P,splash-time=T
P is jpg/bmp file name or an absolute path, T have a max value of 0xffff, unit...
9052ea6b 07/23/2011 06:19 pm Jan Kiszka

Generalize -machine command line option

-machine somehow suggests that it selects the machine, but it doesn't.
Fix that before this command is set in stone.

Actually, -machine should supersede -M and allow to introduce arbitrary
per-machine options to the command line. That will change the internal...
80f52a66 07/23/2011 06:19 pm Jan Kiszka

Deprecate -M command line options

Superseded by -machine. Therefore, this patch removes -M from the help
list and pushes -machine at the same place in the output.

Signed-off-by: Jan Kiszka <>
Signed-off-by: Anthony Liguori <>
c54ed5bc 07/23/2011 06:19 pm Jan Kiszka

slirp: Canonicalize restrict syntax

All other boolean arguments accept on|off - except for slirp's restrict.
Fix that while still accepting the formerly allowed yes|y|no|n, but
reject everything else. This avoids accidentally allowing external
connections because syntax errors were so far interpreted as...
ae73e591 07/19/2011 04:39 pm Luiz Capitulino

qemu-options.hx: Document missing -drive options

They are 'werror', 'rerror' and 'readonly'.

Signed-off-by: Luiz Capitulino <>
Signed-off-by: Kevin Wolf <>
9312805d 07/04/2011 11:12 pm Vasily Khoruzhick

pxa2xx_lcd: add proper rotation support

Until now, pxa2xx_lcd only supported 90deg rotation, but
some machines (for example Zipit Z2) needs 270deg rotation.

Signed-off-by: Vasily Khoruzhick <>
Signed-off-by: Andrzej Zaborowski <>
c235d738 06/15/2011 07:51 pm Matthew Fernandez

Command line support for altering the log file location

Add command line support for logging to a location other than /tmp/qemu.log.

With logging enabled (command line option -d), the log is written to
the hard-coded path /tmp/qemu.log. This patch adds support for writing...
caef55ed 06/11/2011 12:25 am Brad Hards

doc: Minor typo fix.

Thanks to agraf_, stefanha and Snader_LB for their IRC assistance.

Thanks to Markus Armbruster and Alexander Graf (again) for their
assistance with the second version of this patch. No patch is too
simple to test...

Signed-off-by: Brad Hards <>...
d4970b07 06/06/2011 10:14 am Hans de Goede

spice: add option for disabling copy paste support

Some people want to be able disable spice's guest <-> client copy paste support
because of security considerations.

[ kraxel: drop old-version error message ]
48b3ed0a 06/06/2011 10:14 am Marc-André Lureau

spice: add SASL support

Turn on SASL support by appending "sasl" to the spice arguments, which
requires that the client use SASL to authenticate with the spice. The
exact choice of authentication method used is controlled from the
system / user's SASL configuration file for the 'qemu' service. This...
de1db2a1 05/15/2011 01:13 am Brad Hards

doc: Add explanation that -alt-grab and -ctrl-grab affect special keys

Phillip Merensky reported that the special keys (e.g. Ctrl-Alt-f for full
screen) did not work correctly if -alt-grab is used.

BUG: 696530

Review of ui/sdl.c:sdl_refresh indicates that this is the intended behaviour,...
303d4e86 05/08/2011 11:09 am Anthony PERARD

Introduce -machine command option.

This option gives the ability to switch one "accelerator" like kvm, xen
or the default one tcg. We can specify more than one accelerator by
separate them by a colon. QEMU will try each one and use the first whose
works....
b0b36e5d 04/26/2011 12:10 am Brad Hards

doc: fix slirp description

net/slirp.c says:
/* default settings according to historic slirp /
struct in_addr net = { .s_addr = htonl(0x0a000200) }; / 10.0.2.0 /
struct in_addr mask = { .s_addr = htonl(0xffffff00) }; / 255.255.255.0 /
struct in_addr host = { .s_addr = htonl(0x0a000202) }; / 10.0.2.2 */...
61cc8701 04/16/2011 02:24 pm Stefan Weil

Fix some typos in comments and documentation

helpfull -> helpful
usefull -> useful
cotrol -> control

and a grammar fix.

Signed-off-by: Stefan Weil <>
Signed-off-by: Stefan Hajnoczi <>
58fc096c 03/22/2011 03:39 pm Jes Sorensen

error message if user specifies SDL cmd line option when SDL is disabled

Signed-off-by: Jes Sorensen <>
Signed-off-by: Anthony Liguori <>
47b05369 03/22/2011 03:39 pm Jes Sorensen

error message if user specifies curses on cmd line when curses is disabled

Signed-off-by: Jes Sorensen <>
Signed-off-by: Anthony Liguori <>
1472a95b 03/22/2011 03:39 pm Jes Sorensen

Introduce -display argument

This patch introduces a -display argument which consolidates the
setting of the display mode. Valid options are:
sdl/curses/default

Signed-off-by: Jes Sorensen <>
Signed-off-by: Anthony Liguori <>
4171d32e 03/22/2011 03:39 pm Jes Sorensen

Introduce -display none

New option -display none. This option differs from -nographic by not
trying to take control of stdio etc. but instead behaves as if a
graphics display is enabled, except that it doesn't show one.

Signed-off-by: Jes Sorensen <>...
3264ff12 03/22/2011 03:39 pm Jes Sorensen

Add support for -display vnc

Signed-off-by: Jes Sorensen <>
Signed-off-by: Anthony Liguori <>
80e0c8c3 02/24/2011 12:28 am Corentin Chary

vnc: add a non-adaptive option

This option allow to disable adaptive behaviors in some encodings.

Signed-off-by: Corentin Chary <>
Signed-off-by: Anthony Liguori <>
f157ed20 02/02/2011 12:50 am Michael S. Tsirkin

tap: safe sndbuf default

With current sndbuf default value, a blocked
target guest can prevent another guest from
transmitting any packets. While current
sndbuf value (1M) is reported to help some
UDP based workloads, the default should
be safe (0).

Signed-off-by: Michael S. Tsirkin <>...
5430a28f 02/02/2011 12:50 am mst@redhat.com

vhost: force vhost off for non-MSI guests

When MSI is off, each interrupt needs to be bounced through the io
thread when it's set/cleared, so vhost-net causes more context switches and
higher CPU utilization than userspace virtio which handles networking in...
cbcc6336 01/24/2011 04:41 pm Alon Levy

spice: add chardev (v5)

Adding a chardev backend for spice, where spice determines what
to do with it based on the name attribute given during chardev creation.
For usage by spice vdagent in conjunction with a properly named
virtio-serial device, and future smartcard channel usage....
818c2e1b 12/27/2010 11:59 pm Aurelien Jarno

Merge branch 'spice.v23.pull' of git://anongit.freedesktop.org/spice/qemu

  • 'spice.v23.pull' of git://anongit.freedesktop.org/spice/qemu:
    vnc/spice: add set_passwd monitor command.
    vnc: support password expire
    vnc: auth reject cleanup
    spice: add qmp 'query-spice' and hmp 'info spice' commands....
a19cbfb3 12/09/2010 03:23 pm Gerd Hoffmann

spice: add qxl device

qxl is a paravirtual graphics card. The qxl device is the bridge
between the guest and the spice server (aka libspice-server). The
spice server will send the rendering commands to the spice client, which
will actually render them....
3a75e74c 12/09/2010 12:45 pm Mike Ryan

net/sock: option to specify local address

Add an option to specify the host IP to send multicast packets from,
when using a multicast socket for networking. The option takes an IP
address and sets the IP_MULTICAST_IF socket option, which causes the
packets to use that IP's interface as an egress....
7d72e762 11/01/2010 11:41 pm Gerd Hoffmann

intel-hda: documentation update

Signed-off-by: Gerd Hoffmann <>
Signed-off-by: malc <>
c448e855 10/08/2010 01:49 pm Gerd Hoffmann

spice: tls support

Add options to the -spice command line switch to setup tls.
9f04e09e 10/08/2010 01:49 pm Yonit Halperin

spice: make compression configurable.

This patch adds options to the -spice command line switch to
configure image compression.

[ v2: speling fix in the documentation ]
17b6dea0 10/08/2010 01:49 pm Gerd Hoffmann

spice: add config options for channel security.

This allows to enforce tls or plaintext usage for certain spice
channels.

[ v2: code style fixup ]
333b0eeb 10/08/2010 01:49 pm Gerd Hoffmann

spice: add config options for the listening address

Make listening address configurable. Also add options to
force using IPv4 or IPv6.
84a23f25 10/08/2010 01:49 pm Gerd Hoffmann

spice: add misc config options

This patch adds a few more options to tweak spice server behavior.
The documentation update chunk has the details ;)
29b0040b 09/21/2010 07:36 pm Gerd Hoffmann

spice: core bits

Add -spice command line switch. Has support setting passwd and port for
now. With this patch applied the spice client can successfully connect
to qemu. You can't do anything useful yet though.
ab6540d5 09/10/2010 12:22 am Prerna Saxena

trace: Add trace file name command-line option

This patch adds an optional command line switch '-trace' to specify the
filename to write traces to, when qemu starts.
Eg, If compiled with the 'simple' trace backend,
[temp@system]$ qemu -trace FILENAME IMAGE...
12848bfc 09/08/2010 08:26 pm Aneesh Kumar K.V

virtio-9p: Add SM_NONE security model

This is equivalent to SM_PASSTHROUGH security model.
The only exception is, failure of privilige operation like chown
are ignored. This makes a passthrough like security model usable
for people who runs kvm as non root...
03b0ba70 08/23/2010 01:11 am Gerd Hoffmann

compile -fsdev and -virtfs cmd line options unconditionally.

Signed-off-by: Gerd Hoffmann <>
Signed-off-by: Anthony Liguori <>
cdc6f542 07/30/2010 10:12 pm Aurelien Jarno

Merge branch 'for-anthony' of git://repo.or.cz/qemu/kevin

  • 'for-anthony' of git://repo.or.cz/qemu/kevin:
    Fix -snapshot deleting images on disk change
    block: Use error codes from lower levels for error message
    block: default to 0 minimal / optiomal I/O size...
6f9c78c1 07/27/2010 01:23 am Corentin Chary

vnc: add lossy option

The lossy option can be used to enable lossy compression
methods like gradient or jpeg. This patch disable them by
default.

Signed-off-by: Corentin Chary <>
Signed-off-by: Anthony Liguori <>
6c6b6ba2 07/26/2010 02:39 pm Bruce Rogers

move 'unsafe' to end of caching modes in help

Libvirt parses qemu help output to determine qemu features. In particular
it probes for the following: "cache=writethrough|writeback|none". The
addition of the unsafe cache mode was inserted within this string, as...
b7fdb3ab 07/13/2010 10:13 pm Aurelien Jarno

qemu-options: add documentation for stdio signal=on|off

Commit 5989020bc11f8ba448d6fb79f4562f882a693d89 introduced a chardev
option to disable signals on stdio. Add the corresponding documentation.

Signed-off-by: Aurelien Jarno <>
9ce56db6 06/22/2010 11:15 pm Venkateswararao Jujjuri (JV)

virtio-9p: Introduces an option to specify the security model.

The new option is:

-fsdev fstype,id=myid,path=/share_path/,security_model=[mapped|passthrough]
-virtfs fstype,path=/share_path/,security_model=[mapped|passthrough],mnt_tag=tag

In the case of mapped security model, files are created with QEMU user...
c3177288 05/27/2010 01:08 am Alexander Graf

Make cache=unsafe the default for -snapshot

When using -snapshot we don't care about data integrity of the cow file
at all, so let's disable flushing there and squeeze out the last drop
of performance we could possibly get.

Signed-off-by: Alexander Graf <>...
016f5cf6 05/26/2010 09:05 pm Alexander Graf

Add cache=unsafe parameter to -drive

Usually the guest can tell the host to flush data to disk. In some cases we
don't want to flush though, but try to keep everything in cache.

So let's add a new cache value to -drive that allows us to set the cache
policy to most aggressive, disabling flushes. We call this mode "unsafe",...
9848bbf1 05/22/2010 11:37 am Markus Armbruster

Fix -device help and documentation

Commit 6616b2ad reverted commit 40ea285c. Looks like a mismerge to
me.

Signed-off-by: Markus Armbruster <>
Acked-by: Stefan Weil <>
Signed-off-by: Blue Swirl <>
3d54abc7 05/03/2010 08:17 pm Gautham R Shenoy

virtio-9p: Create a syntactic shortcut for the file-system pass-thru

Currently the commandline to create a virtual-filesystem pass-through between
the guest and the host is as follows:
#qemu -fsdev fstype,id=ID,path=path/to/share \
-device virtio-9p-pci,fsdev=ID,mount_tag=tag \...
74db920c 05/03/2010 08:17 pm Gautham R Shenoy

virtio-9p: Create a commandline option -fsdev

This patch creates a new command line option named -fsdev to hold any file
system specific information.

The option will currently hold the following attributes:
-fsdev fstype id=id,path=path_to_share
where
fstype: Type of the file system....
97331287 04/26/2010 10:36 pm Jan Kiszka

chardev: Document mux option

Signed-off-by: Jan Kiszka <>
Signed-off-by: Luiz Capitulino <>
82b0d80e 04/01/2010 09:56 pm Michael S. Tsirkin

tap: add vhost/vhostfd options

This adds vhost binary option to tap, to enable vhost net accelerator.
Default is off for now, we'll be able to make default on long term
when we know it's stable.

vhostfd option can be used by management, to pass in the fd. Assigning...
ad96090a 03/29/2010 10:23 pm Blue Swirl

Refactor target specific handling, compile vl.c only once

Move target specific functions and RAM handling to arch_init.c.

Add a flag to QEMUOptions structure to indicate for which
architectures the option is allowed, check the flag
in run time and remove conditional code in option handling....
8d533561 03/27/2010 12:52 pm Aurelien Jarno

qemu-options.hx: fix a typo

Signed-off-by: Aurelien Jarno <>
609c1dac 03/18/2010 08:41 pm Blue Swirl

Fix manpage errors

Split long unbreakable lines to smaller sections.

Spotted by Debian Lintian tool:
http://lintian.debian.org/full/pkg-qemu-devel@lists.alioth.debian.org.html#qemu

Signed-off-by: Blue Swirl <>
c902760f 03/04/2010 05:28 am Marcelo Tosatti

Add option to use file backed guest memory

Port qemu-kvm's -mem-path and -mem-prealloc options. These are useful
for backing guest memory with huge pages via hugetlbfs.

Signed-off-by: Marcelo Tosatti <>
CC: john cooper <>
aa375206 02/27/2010 11:50 am Aurelien Jarno

Fix qemu -net user,hostfwd= example

Signed-off-by: Aurelien Jarno <>
6616b2ad 02/10/2010 08:44 pm Stefan Weil

Documentation: Add command line options to function index

  • Add line options to function index.
  • Add description for -set (TODO).
  • Add description for -global (TODO).

Signed-off-by: Stefan Weil <>
Signed-off-by: Anthony Liguori <>
bec7c2d4 02/08/2010 11:12 am Paolo Bonzini

do not interpolate % from vl.c to qemu-options.h

Since qemu-options.h is only used in vl.c, we can avoid using
brittle interpolation from a generated file.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: malc <>
e8105ebb 02/08/2010 11:12 am Paolo Bonzini

vl.c: avoid preprocessor directives in a printf call

Similar to the qemu-img.c patch, but I also have to unescape remaining
% signs in qemu-options.hx.

Signed-off-by: Paolo Bonzini <>
Signed-off-by: malc <>
40ea285c 02/03/2010 08:39 pm Markus Armbruster

qdev: update help on -device

While there, use "property" rather than "option", for consistency with
-global.

Signed-off-by: Markus Armbruster <>
Signed-off-by: Anthony Liguori <>
69a319d1 01/26/2010 11:42 pm Stefan Weil

Documentation: Improve command line help for -device option

  • Fix column for help text.
  • Give some more help, especially for the new '?' parameters.

Signed-off-by: Stefan Weil <>
Signed-off-by: Anthony Liguori <>
95d5f08b 01/26/2010 11:42 pm Stefan Weil

Documentation: Add missing texi description for command line options

Some more command line options had entries for command line help,
but documentation for texi and derived formats (man, html, info)
was missing.

For conditional options, the texi documentation was added...
292444cb 01/24/2010 05:37 pm Anthony Liguori

Load global config files by default

A new option, nodefconfig is introduced to prevent loading from the default
config location. Otherwise, two configuration files will be searched for,
qemu.conf and target<TARGET_NAME>.conf.

To ensure that the default configuration is overridden by a user specified...
98b19252 01/20/2010 04:25 pm Amit Shah

virtio-console: qdev conversion, new virtio-serial-bus

This commit converts the virtio-console device to create a new
virtio-serial bus that can host console and generic serial ports. The
file hosting this code is now called virtio-serial-bus.c.

The virtio console is now a very simple qdev device that sits on the...