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2010-12-02migration: allow rate > 4gMichael S. Tsirkin1-4/+4
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 Hoffmann1-0/+14
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
2010-08-10Support marking a device as non-migratableCam Macdonell1-0/+2
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 Quintela1-0/+6
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 Williamson1-7/+11
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 Brook1-1/+0
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 Kiszka1-0/+10
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 Kiszka1-0/+4
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 Kiszka1-1/+0
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 Bonzini1-2/+0
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 Kiszka1-1/+2
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 Quintela1-0/+13
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 Quintela1-10/+0
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Introduce UINT16_TEST supportJuan Quintela1-0/+3
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 Quintela1-6/+10
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Introduce VMSTATE_STRUCT_TESTJuan Quintela1-7/+11
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03vmstate: Add support for VBUFFERSJuan Quintela1-0/+20
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 Kiszka1-1/+1
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.com1-2/+7
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 Yamahata1-0/+11
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 Yamahata1-2/+5
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 Quintela1-0/+9
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 Quintela1-0/+19
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 Quintela1-0/+12
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add VMSTATE_BUFFER_UNUSEDJuan Quintela1-0/+18
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 Quintela1-11/+6
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 Quintela1-1/+12
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 Quintela1-6/+0
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor VMSTATE_*BUFFER* definitionsJuan Quintela1-33/+14
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor vmstate_offset_bufferJuan Quintela1-6/+7
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor vmstate_offset_arrayJuan Quintela1-10/+9
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor vmstate_offset_pointerJuan Quintela1-2/+5
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: factor vmstate_offset_valueJuan Quintela1-18/+13
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: fix indentationJuan Quintela1-6/+6
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Rename VMS_VARRAY to VMS_VARRAY_INT32Juan Quintela1-4/+4
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: add VMSTATE_UINT16_EQUAL[_V]Juan Quintela1-0/+7
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: Add support for partial buffers transmissionJuan Quintela1-0/+10
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-27vmstate: add VMSTATE_BUFFER_TESTJuan Quintela1-0/+12
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: Add suppot for field_exist() testJuan Quintela1-0/+26
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05Add *TL functions to vmstateJuan Quintela1-0/+19
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: add support for arrays of pointersJuan Quintela1-0/+15
We need this to send arrays of timers Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: create VMSTATE_INT16_ARRAYJuan Quintela1-0/+6
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: create VMSTATE_STRUCT_POINTERJuan Quintela1-0/+9
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: create VMSTATE_I2C_SLAVEJuan Quintela1-0/+11
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: add uint8 arrayJuan Quintela1-0/+6
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: Add support for sending partial arraysJuan Quintela1-0/+12
This one is needed for changees happening on fdc. It allows you to send arrays of structs whose size we want to send it is another field with type uint8_t. (If you have been able to read the whole sentence without stoping for breathing, you can use it. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: remove const from pre_save() functionsJuan Quintela1-2/+2
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: add version_id argument to post_loadJuan Quintela1-1/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-10-05vmstate: remove const for put operationsJuan Quintela1-2/+2
In a later patch, we introduce pre_save() and post_save() functions. The whole point of that operation is to change things in the state. Without this patch, we have to remove the const qualifier in each use with a cast Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-09-11vmstate: port cirrus_vga deviceJuan Quintela1-0/+9
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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