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2011-09-10target-xtensa: implement SIMCALLMax Filippov
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. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-09qemu-options: Improve help texts for options which depend on configureStefan Weil
* 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 <stefanha@linux.vnet.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-09-03Allow overriding the location of Samba's smbd.Brad
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. Signed-off-by: Brad Smith <brad@comstyle.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-09-01trace: [stderr] add support for dynamically enabling/disabling eventsLluís
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 <chouteau@adacore.com> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: add "-trace events" argument to control initial stateLluís
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 interface or whichever backend-specific interface. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
2011-09-01trace: avoid conditional code compilation during option parsingLluís
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 <vilanova@ac.upc.edu>
2011-09-01trace: [configure] rename CONFIG_*_TRACE into CONFIG_TRACE_*Lluís
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 <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-08-23block: add cache=directsync parameter to -driveStefan Hajnoczi
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. When cache=directsync is used, write operations are only completed to the guest when data is safely on disk. This new mode is like cache=writethrough but it bypasses the host page cache. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-30revamp acpitable parsing and allow to specify complete (headerful) tableMichael Tokarev
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 data portion, with a new file= parameter, but at the same time it's still possible to specify header fields as before. Now with the checkpatch.pl formatting fixes, thanks to Stefan Hajnoczi for suggestions, with changes from Isaku Yamahata, and with my further refinements. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Cc: Isaku Yamahata <yamahata@valinux.co.jp> Cc: John Baboval <john.baboval@virtualcomputer.com> Cc: Blue Swirl <blauwirbel@gmail.com> [yamahata@valinux.co.jp: fix compile error, comment fallthrough] Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-29showing a splash picture when startwayne
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 is ms. With these two options, if user invoke qemu with menu=on option, then a splash picture would be showed in a given time. For example: qemu -boot menu=on,splash=/root/boot.bmp,splash-time=5000 would make boot.bmp shown as a brand with 5 seconds in the booting up process. This feature need the new seabios's support, which could be got from git. Signed-off-by: Wayne Xia <xiawenc@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-23slirp: Canonicalize restrict syntaxJan Kiszka
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 'restrict=no'. CC: Gleb Natapov <gleb@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-23Deprecate -M command line optionsJan Kiszka
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 <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-23Generalize -machine command line optionJan Kiszka
-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 realization again, but we will be able to keep the user interface stable. Tested-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-07-19qemu-options.hx: Document missing -drive optionsLuiz Capitulino
They are 'werror', 'rerror' and 'readonly'. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-04pxa2xx_lcd: add proper rotation supportVasily Khoruzhick
Until now, pxa2xx_lcd only supported 90deg rotation, but some machines (for example Zipit Z2) needs 270deg rotation. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-06-15Command line support for altering the log file locationMatthew Fernandez
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 the log to a different location by passing the -D option. Signed-off-by: Matthew Fernandez <matthew.fernandez@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-06-10doc: Minor typo fix.Brad Hards
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 <bradh@frogmouth.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2011-06-06spice: add SASL supportMarc-André Lureau
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 is typically found in /etc/sasl2/qemu.conf. If running QEMU as an unprivileged user, an environment variable SASL_CONF_PATH can be used to make it search alternate locations for the service config. While some SASL auth methods can also provide data encryption (eg GSSAPI), it is recommended that SASL always be combined with the 'tls' and 'x509' settings to enable use of SSL and server certificates. This ensures a data encryption preventing compromise of authentication credentials. It requires support from spice 0.8.1. [ kraxel: moved spell fix to separate commit ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-06-06spice: add option for disabling copy paste supportHans de Goede
Some people want to be able disable spice's guest <-> client copy paste support because of security considerations. [ kraxel: drop old-version error message ]
2011-05-15doc: Add explanation that -alt-grab and -ctrl-grab affect special keysBrad Hards
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, so we should update the documentation to match the actual behaviour, as suggested by Phillip in the bug report. Signed-off-by: Brad Hards <bradh@frogmouth.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-05-08Introduce -machine command option.Anthony PERARD
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. So, ./qemu -machine accel=xen:kvm:tcg which would try Xen support first, then KVM and finally TCG if none of the other works. By default, QEMU will use TCG. But we can specify another default in the global configuration file. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-04-25doc: fix slirp descriptionBrad Hards
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 */ struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ Which I think is not what the documentation says. Signed-off-by: Brad Hards <bradh@frogmouth.net> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-04-16Fix some typos in comments and documentationStefan Weil
helpfull -> helpful usefull -> useful cotrol -> control and a grammar fix. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-03-22error message if user specifies curses on cmd line when curses is disabledJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-22error message if user specifies SDL cmd line option when SDL is disabledJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-22Add support for -display vncJes Sorensen
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-22Introduce -display noneJes Sorensen
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 <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-22Introduce -display argumentJes Sorensen
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 <Jes.Sorensen@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: add a non-adaptive optionCorentin Chary
This option allow to disable adaptive behaviors in some encodings. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-01vhost: force vhost off for non-MSI guestsmst@redhat.com
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 the same thread. We'll need to fix this by adding level irq support in kvm irqfd, for now disable vhost-net in these configurations. Added a vhostforce flag to force vhost-net back on. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-01tap: safe sndbuf defaultMichael S. Tsirkin
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 <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-01-24spice: add chardev (v5)Alon Levy
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. Example usage: qemu -device virtio-serial -chardev spicevmc,name=vdagent,id=vdagent \ -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 v4->v5: * add tracing events * fix missing comma * fix help string to show debug is optional v3->v4: * updated commit message v1->v3 changes: (v2 had a wrong commit message) * removed spice-qemu-char.h, folded into ui/qemu-spice.h * removed dead IOCTL code * removed comment * removed ifdef CONFIG_SPICE from qemu-config.c and qemu-options.hx help. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2010-12-27Merge branch 'spice.v23.pull' of git://anongit.freedesktop.org/spice/qemuAurelien Jarno
* '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. spice: connection events. spice: add qxl device spice: add qxl vgabios binary.
2010-12-09spice: add qxl deviceGerd Hoffmann
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. The spice server is also able to render locally, which is done in case the guest wants read something from video memory. Local rendering is also used to support display over vnc and sdl. qxl is activated using "-vga qxl". qxl supports multihead, additional cards can be added via '-device qxl". [ v2: add copyright to files ] [ v2: use qemu-common.h for standard includes ] [ v2: create separate qxl-vga device for primary ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2010-12-09net/sock: option to specify local addressMike Ryan
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. This is useful if the host machine has several interfaces with several virtual networks across disparate interfaces. Signed-off-by: Mike Ryan <mikeryan@ISI.EDU> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-11-02intel-hda: documentation updateGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
2010-10-08spice: add misc config optionsGerd Hoffmann
This patch adds a few more options to tweak spice server behavior. The documentation update chunk has the details ;)
2010-10-08spice: add config options for the listening addressGerd Hoffmann
Make listening address configurable. Also add options to force using IPv4 or IPv6.
2010-10-08spice: add config options for channel security.Gerd Hoffmann
This allows to enforce tls or plaintext usage for certain spice channels. [ v2: code style fixup ]
2010-10-08spice: make compression configurable.Yonit Halperin
This patch adds options to the -spice command line switch to configure image compression. [ v2: speling fix in the documentation ]
2010-10-08spice: tls supportGerd Hoffmann
Add options to the -spice command line switch to setup tls.
2010-09-21spice: core bitsGerd Hoffmann
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.
2010-09-09trace: Add trace file name command-line optionPrerna Saxena
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 Allows the binary traces to be written to FILENAME instead of the option set at config-time. Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2010-09-08virtio-9p: Add SM_NONE security modelAneesh Kumar K.V
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 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2010-08-22compile -fsdev and -virtfs cmd line options unconditionally.Gerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-30Merge branch 'for-anthony' of git://repo.or.cz/qemu/kevinAurelien Jarno
* '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 move 'unsafe' to end of caching modes in help virtio-blk: Create exit function to unregister savevm block migration: propagate return value when bdrv_write() returns < 0 ide/atapi: add support for GET EVENT STATUS NOTIFICATION
2010-07-26vnc: add lossy optionCorentin Chary
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 <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26move 'unsafe' to end of caching modes in helpBruce Rogers
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 opposed to being added to the end, which impacted libvirt's probe. Unbreak libvirt by keeping the existing cache modes intact and add unsafe to the end. This problem only manifests itself if a caching mode is explicitly specified in the libvirt xml, in which case older syntax for caching is passed to qemu, which it no longer understands. Signed-off-by: Bruce Rogers <brogers@novell.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-07-13qemu-options: add documentation for stdio signal=on|offAurelien Jarno
Commit 5989020bc11f8ba448d6fb79f4562f882a693d89 introduced a chardev option to disable signals on stdio. Add the corresponding documentation. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-06-22virtio-9p: Introduces an option to specify the security model.Venkateswararao Jujjuri (JV)
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 credentials and the client-user's credentials are saved in extended attributes. Whereas in the case of passthrough security model, files on the filesystem are directly created with client-user's credentials. Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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