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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>
2010-09-04virtio-9p: Make sure -virtfs option works correctlyAneesh Kumar K.V
When making copy of arguments we were doing partial copy Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-08-31Fix OpenBSD linker warningBlue Swirl
Fix a warning from OpenBSD linker: ../libhw32/vl.o(.text+0x5c3c): In function `main': /src/qemu/vl.c:2335: warning: sprintf() is often misused, please use snprintf() Signed-off-by: Blue Swirl <blauwirbel@gmail.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>
2010-08-22QemuOpts: make most qemu_*_opts staticGerd Hoffmann
Switch tree to lookup-by-name using qemu_find_opts(). Also hook up virtfs options so qemu_find_opts works for them too. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-08-19Remove useless NULL checks for qemu_malloc return valueBlue Swirl
Found with this Coccinelle semantic patch: @@ expression E; identifier ptr; identifier fn ~= "qemu_mallocz*"; @@ -ptr = fn(E); -if (ptr == NULL) { ... } - +ptr = fn(E); Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-30migration: Accept 'cont' only after successful incoming migrationAmit Shah
When a 'cont' is issued on a VM that's just waiting for an incoming migration, the VM reboots and boots into the guest, possibly corrupting its storage since it could be shared with another VM running elsewhere. Ensure that a VM started with '-incoming' is only run when an incoming migration successfully completes. A new qerror, QERR_MIGRATION_EXPECTED, is added to signal that 'cont' failed due to no incoming migration has been attempted yet. Reported-by: Laine Stump <laine@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-30remove pointless if from vl.cJoel Schopp
We already set sockets to nonzero in the code above. So this if statement always evaluates true. Remove it. Signed-off-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-22Rename tcg_cpu_exec and tcg_has_workJan Kiszka
These functions are also used for kvm under !CONFIG_IOTHREAD, having 'tcg' in their name is just misleading. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-06savevm: Migrate RAM based on name/offsetAlex Williamson
Synchronize RAM blocks with the target and migrate using name/offset pairs. This ensures both source and target have the same view of RAM and that we get the right bits into the right slot. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-06savevm: Add DeviceState paramAlex Williamson
When available, we'd like to be able to access the DeviceState when registering a savevm. For buses with a get_dev_path() function, this will allow us to create more unique savevm id strings. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-22Exit if incoming migration failsJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-22virtio-9p: Make infrastructure for the new security model.Venkateswararao Jujjuri (JV)
This patch adds required infrastructure for the new security model. - A new configure option for attr/xattr. - if CONFIG_VIRTFS will be defined if both CONFIG_LINUX and CONFIG_ATTR defined. - Defines routines related to both security models. Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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>
2010-06-14Add exit notifiers.Gerd Hoffmann
Hook up any cleanup work which needs to be done here. Advantages over using atexit(3): (1) You get passed in a pointer to the notifier. If you embed that into your state struct you can use container_of() to get get your state info. (2) You can unregister, say when un-plugging a device. [ v2: move code out of #ifndef _WIN32 ] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-06-14Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori
Conflicts: hw/pc.c
2010-06-12Move set_proc_name() to OS specific files.Jes Sorensen
Move handling to change process name to POSIX specific files plus add a better error message to cover the case where the feature isn't supported. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move line-buffering setup to OS specific files.Jes Sorensen
Move line-buffering setup to OS specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move daemonize handling to OS specific filesJes Sorensen
Move daemonize handling from vl.c to OS specific files. Provide dummy stubs for Win32. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move chroot handling to OS specific files.Jes Sorensen
Move chroot handling to OS specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move runas handling from vl.c to OS specific files.Jes Sorensen
Move code to handle runas, ie. change of user id of QEMU process to OS specific files and provide dummy stub for Win32. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce OS specific cmdline argument handling and move SMB arg to os-posix.cJes Sorensen
Introduce OS specific cmdline argument handling by calling os_parse_cmd_args() at the end of switch() statement. Move option enum to qemu-options.h and have it included from os-posix.c and os-win32.c in addition to vl.c. In addition move SMB argument to os-posix.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Rename qemu-options.h to qemu-options.defJes Sorensen
Rename qemu-options.h to qemu-options.def as it is not a header file for general use and this leaves space for a proper qemu-options.h Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move find_datadir to OS specific files.Jes Sorensen
This moves the win32 and POSIX versions of find_datadir() to OS specific files, and removes some #ifdef clutter from vl.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move main signal handler setup to os specificfiles.Jes Sorensen
Move main signal handler setup to os specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Rename os_setup_signal_handling() to os_setup_early_signal_handling()Jes Sorensen
Rename os_setup_signal_handling() to os_setup_early_signal_handling() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Move win32 early signal handling setup to os_setup_signal_handling()Jes Sorensen
Move win32 early signal handling setup to os_setup_signal_handling() Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce os-posix.c and create os_setup_signal_handling()Jes Sorensen
Introcuce os-posix.c and move posix specific signal handling there. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12vl.c: Move host_main_loop_wait() to OS specific files.Jes Sorensen
Move host_main_loop_wait() to OS specific files. Create qemu-os-posix.h and provide empty inline for the POSIX case. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12Introduce os-win32.c and move polling functions from vl.cJes Sorensen
This introduces os-win32.c. It is meant to carry win32 specific functions thata are not relevant for all of QEMU as well as win32 versions of various pieces like signal handling etc. Move win32 polling handler helper functions from vl.c to os-win32.c Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-12vl.c: Remove double include of netinet/in.h for SolarisJes Sorensen
vl.c: netinet/in.h is already included once above for the Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Andreas Faerber <afaerber@opensolaris.org> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-10main: allocate gui_timer only once.Isaku Yamahata
fix memory leak. there is no need to allocate more than one gui_timer. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-06-10configure: expand ${prefix} in create_configPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-06-04blockdev: Collect block device code in new blockdev.cMarkus Armbruster
Anything that moves hundreds of lines out of vl.c can't be all bad. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04blockdev: Hide QEMUMachine from drive_init()Markus Armbruster
To pave the way for moving it out of vl.c. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04close all the block drivers before the qemu process exitsMORITA Kazutaka
This patch calls the close handler of the block driver before the qemu process exits. This is necessary because the sheepdog block driver releases the lock of VM images in the close handler. Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04Fix error message in drive_initKevin Wolf
The real error is the return value of bdrv_open. errno might be overwritten or not even set to that value in the first place. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04usb: Remove unused usb_device_add() parameter is_hotplugMarkus Armbruster
Unused since commit b3e461d3. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04blockdev: Belatedly remove driveoptsMarkus Armbruster
Unused since commit 9dfd7c7a. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-06-04blockdev: Belatedly remove MAX_DRIVESMarkus Armbruster
Unused since commit 751c6a17. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-05-28drive: allow rerror, werror and readonly for if=noneGerd Hoffmann
When creating guest disks the qdev way using ... -drive if=none,id=$name,args -device $driver,drive=$name it is not possible to specify rerror, werror and readonly arguments for drive as drive_init allows/blocks them based on the interface (if=) specified and none isn't white-listed there. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-05-27Make cache=unsafe the default for -snapshotAlexander Graf
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 <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-26Add cache=unsafe parameter to -driveAlexander Graf
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", as guest data is not guaranteed to survive host crashes anymore. This patch also adds a noop function for aio, so we can do nothing in AIO fashion. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-24Fix error handling in qemu_read_config_fileKevin Wolf
We need to close the file even in error case. While at it, make the callers catch all kind of errors. ENOENT is allowed for default config files, they are optional. Reported-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-19Revert "Monitor: Return before exiting with 'quit'"Luiz Capitulino
This reverts commit 0e8d2b5575938b8876a3c4bb66ee13c5d306fb6d. Next commits will do the same thing in a better way. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2010-05-18fix chardev_init for win32TeLeMan
chardev_init functions use socket,so socket_init() shoud be placed at the front of chardev_init on win32. Signed-off-by: TeLeMan <geleman@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-04Fix cpu list("-cpu ?") breakage, spotted by TeLeManBlue Swirl
Fix breakage by 04c9a0cbc2bf496889cef6da2d61bf00ef190a4f. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-03QMP: Introduce RESUME eventLuiz Capitulino
It's emitted when the Virtual Machine resumes execution. We currently have the STOP event but don't have the matching RESUME one, this means that clients are notified when the VM is stopped but don't get anything when it resumes. Let's fix that as it's already causing some trouble to libvirt. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Create a syntactic shortcut for the file-system pass-thruGautham R Shenoy
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 \ This patch provides a syntactic short-cut to achieve the same as follows: #qemu -virtfs fstype,path=path/to/share,mount_tag=tag This will be internally expanded as: #qemu -fsdev fstype,id=tag,path=path/to/share, \ -device virtio-9p-pci,fsdev=tag,mount_tag=tag \ Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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