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2011-10-20migration: rename qemu_file_has_error to qemu_file_get_errorJuan Quintela
Now the function returned errno, so it is better the new name. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
2011-10-20migration: change has_error to contain errno valuesJuan Quintela
We normally already have an errno value. When not, abuse EIO. Signed-off-by: Juan Quintela <quintela@redhat.com>
2011-08-10hid: introduce hid vmstate macrosMichael Walle
Add VMSTATE macros to describe a HIDState. Based on usb-hid.c descriptions. Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-07-20vmstate: add no_migrate flag to VMStateDescriptionGerd Hoffmann
This allows to easily tag devices as non-migratable, so any attempt to migrate a virtual machine with the device in question active will make migration fail. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-06-19xen: Add the Xen platform pci deviceSteven Smith
Introduce a new emulated PCI device, specific to fully virtualized Xen guests. The device is necessary for PV on HVM drivers to work. Signed-off-by: Steven Smith <ssmith@xensource.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-04-22vmstate: port pmtimerJuan Quintela
It was a half conversion. Finish it. enabled can only get values of 0, 1 or 2, was declared as an int but sent as an unint8_t, change its type. Signed-off-by: Juan Quintela <quintela@redhat.com>
2011-03-10vmstate: move timers to use test instead of versionJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: be able to store/save a pci device from a pointerJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: Add a way to send a partial arrayJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: add VMSTATE_STRUCT_VARRAY_UINT32Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: add VMSTATE_INT64_ARRAYJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: add VMSTATE_STRUCT_VARRAY_INT32Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: add UINT32 VARRAYSJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: Fix varrays with uint8 indexesJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-10vmstate: add VMSTATE_UINT32_EQUALJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-03-03vmstate: move VMSTATE_PCIE_AER_ERRS to hw/hw.hDmitry Eremin-Solenikov
VMSTATE_PCIE_AER_ERRS is indeed useful for other emulation drivers. Move it to hw/hw.h under the name of VMSTATE_STRUCT_VARRAY_POINTER_UINT16. Also add VMSTATE_STRUCT_VARRAY_POINTER_INT32 which is more or less the same as _UINT16 macro, except the fact it uses int32_t internally. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-03-03vmstate: add VMSTATE_STRUCT_ARRAY_TESTDmitry Eremin-Solenikov
This is a _TEST variant of VMSTATE_STRUCT_ARRAY, necessary e.g. for future patch changing pxa2xx_timer to use vmstate. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-01-24usb core: add migration supportGerd Hoffmann
Yes, seriously. There is no migration support at all for usb devices. They loose state, especially the device address, and stop responding because of that. Oops. Luckily there is so much broken usb hardware out there that the guest usually just kicks the device hard (via port reset and reinitialization), then continues without a hitch. So we got away with that in a surprising high number of cases. The arrival of remote wakeup (which enables autosuspend support) changes that picture though. The usb devices also forget that it they are supposed to wakeup, so they don't do that. The host also doesn't notice the device stopped working in case it suspended the device and thus expects it waking up instead of polling it. Result is that your mouse is dead. Lets start fixing that. Add a vmstate struct for USBDevice. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-01-23Delete useless 'extern' qualifiers for functionsBlue Swirl
'extern' qualifier is useless for function declarations. Delete them. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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>
2010-12-02migration: allow rate > 4gMichael S. Tsirkin
I'd like to disable bandwidth limit or make it very high, Use int64_t all over to make values >= 4g work. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Jason Wang <jasowang@redhat.com>
2010-11-01add VMSTATE_BOOLGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
2010-08-10Support marking a device as non-migratableCam Macdonell
A non-migratable device should be removed before migration and re-added after. Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vmstate: add subsections codeJuan Quintela
This commit adds subsections for each device section. Subsections is the way to handle information that don't need to be sent to de destination of a migration because its values are not needed. It is the way to handle optional information. Notice that only the source can decide if the information is optional or not. The destination needs to understand all subsections that it receives to have a sucessful load. Signed-off-by: Juan Quintela <quintela@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>
2010-06-13Move stdbool.hPaul Brook
Move inclusion of stdbool.h to common header files, instead of including in an ad-hoc manner. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-06-13vmstate: Add VMSTATE_STRUCT_VARRAY_UINT8Jan Kiszka
Required for hpet. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-15vmstate: Add support for alias IDJan Kiszka
Some legacy users (mostly PC devices) of vmstate_register manage instance IDs on their own, and that unfortunately in a way that is incompatible with automatically generated ones. This so far prevents switching those users to vmstates that are registered by qdev. To establish a migration path, this patch introduces the concept of alias IDs. They can be passed to an extended vmstate registration service, and qdev provides a set service to be used during device init. find_se will consider the alias in addition to the default ID. We can then start generating the default ID automatically and writing it on vmsave, thus converting that format without breaking support for upward migration. The user is required specify the highest vmstate version for which the alias is required. Once this version falls behind the minimum required for a specific vmstate, an assertion triggers to motivate cleaning up the obsolete alias. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-15vmstate: Drop unused post_save handlerJan Kiszka
No device makes use of it anymore. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-09move targphys.h and hw/poison.h inclusion to cpu-common.hPaolo Bonzini
With more files from outside the hw/ directory being placed into libhw, avoid the need to include hw/hw.h for the sake of targ_phys_addr_t. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-03live migration: Propagate output monitor to callback handlerJan Kiszka
In order to allow proper progress reporting to the monitor that initiated the migration, forward the monitor reference through the migration layer down to SaveLiveStateHandler. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Add support for multiplying size for a constantJuan Quintela
When the size that we want to transmit is in another field, but in an unit different that bytes Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: remove usused VMSTATE_STRUCT_ARRAY_SIZE_UINT8Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Introduce UINT16_TEST supportJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Introduce VMSTATE_STRUCT_POINTER_TESTJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Introduce VMSTATE_STRUCT_TESTJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Add support for VBUFFERSJuan Quintela
Support for buffer that are pointed by a pointer (i.e. not embedded) where the size that we want to use is a field in the state. We also need a new place to store where to start in the middle of the buffer, as now it is a pointer, not the offset of the 1st field. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Fix info field of VMSTATE_MACADDRJan Kiszka
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-11-17Block live migrationlirans@il.ibm.com
This patch introduces block migration called during live migration. Block are being copied to the destination in an async way. First the code will transfer the whole disk and then transfer all dirty blocks accumulted during the migration. Still need to improve transition from the iterative phase of migration to the end phase. For now transition will take place when all blocks transfered once, all the dirty blocks will be transfered during the end phase (guest is suspended). Changes from v4: - Global variabels moved to a global state structure allocated dynamically. - Minor coding style issues. - Poll block.c for tracking of dirty blocks instead of manage it here. Signed-off-by: Liran Schour <lirans@il.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-11-09pci: pcie host and mmcfg support.Isaku Yamahata
This patch adds common routines for pcie host bridge and pcie mmcfg. This will be used by q35 based chipset emulation. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-11-09vmstate: introduce VMSTATE_BUFFER_UNSAFE_INFO.Isaku Yamahata
VMSTATE_BUFFER_UNSAFE_INFO for as a buffer with specified VMStateInfo. It will be used later. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add VMSTATE_BUFFER_UNSAFEJuan Quintela
Just sent <anything> as a buffer. We put the pointer and the size code does the rest. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Introduce the concept of sub-arraysJuan Quintela
VMSTATE_SUB_ARRAY(..., start, num, ...) saves the num elems starting at position start of the array Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add VMSTATE_MACADDR for the new typeJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add VMSTATE_BUFFER_UNUSEDJuan Quintela
It allows to have 'things' in savevm format not backed in the device state Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add version arg to VMSTATE_SINGLE_TEST()Juan Quintela
This allows to define VMSTATE_SINGLE with VMSTATE_SINGLE_TEST Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: add VMS_VARRAY_UINT16_UNSAFE (varrays with uint16 indexes)Juan Quintela
It don't check types. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Unfold VMSTATE_INT32_VARRAY() only use and remove itJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor VMSTATE_*BUFFER* definitionsJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor vmstate_offset_bufferJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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