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[libvirt] [RFC v1 0/6] Live Migration with ephemeral host NIC devices



my main goal is to add support migration with host NIC
passthrough devices and keep the network connectivity.

this series patch base on Shradha's patches on
https://www.redhat.com/archives/libvir-list/2012-November/msg01324.html
which is add migration support for host passthrough devices.

 1) unplug the ephemeral devices before migration

 2) do native migration

 3) when migration finished, hotplug the ephemeral devices


TODO:
  keep network connectivity on guest level by bonding device.

Chen Fan (6):
  conf: add ephemeral element for hostdev supporting migration
  qemu: Save ephemeral devices into qemuDomainObjPrivate
  qemu: add check ephemeral devices only for PCI host devices
  migration: Migration support for ephemeral hostdevs
  managedsave: move the domain xml handling forward to stop CPU
  managedsave: add managedsave support for ephemeral host devices

 docs/schemas/domaincommon.rng                      |  10 ++
 docs/schemas/network.rng                           |   5 +
 src/conf/domain_conf.c                             |  14 +-
 src/conf/domain_conf.h                             |   1 +
 src/conf/network_conf.c                            |  13 ++
 src/conf/network_conf.h                            |   1 +
 src/network/bridge_driver.c                        |   1 +
 src/qemu/qemu_command.c                            |  11 ++
 src/qemu/qemu_domain.c                             |   5 +
 src/qemu/qemu_domain.h                             |   3 +
 src/qemu/qemu_driver.c                             |  48 +++---
 src/qemu/qemu_migration.c                          | 182 ++++++++++++++++++++-
 src/qemu/qemu_migration.h                          |   9 +
 src/qemu/qemu_process.c                            |  12 ++
 tests/networkxml2xmlin/hostdev-pf.xml              |   2 +-
 tests/networkxml2xmlin/hostdev.xml                 |   2 +-
 tests/networkxml2xmlout/hostdev-pf.xml             |   2 +-
 tests/networkxml2xmlout/hostdev.xml                |   2 +-
 .../qemuxml2argv-controller-order.xml              |   2 +-
 .../qemuxml2argv-hostdev-pci-address-device.xml    |   2 +-
 .../qemuxml2argv-hostdev-pci-address.xml           |   2 +-
 .../qemuxml2argv-hostdev-scsi-autogen-address.xml  |  22 +--
 .../qemuxml2argv-hostdev-scsi-lsi-iscsi-auth.xml   |   4 +-
 .../qemuxml2argv-hostdev-scsi-lsi-iscsi.xml        |   4 +-
 .../qemuxml2argv-hostdev-scsi-lsi.xml              |   2 +-
 .../qemuxml2argv-hostdev-scsi-rawio.xml            |   2 +-
 .../qemuxml2argv-hostdev-scsi-readonly.xml         |   2 +-
 .../qemuxml2argv-hostdev-scsi-sgio.xml             |   2 +-
 .../qemuxml2argv-hostdev-scsi-shareable.xml        |   2 +-
 ...qemuxml2argv-hostdev-scsi-virtio-iscsi-auth.xml |   4 +-
 .../qemuxml2argv-hostdev-scsi-virtio-iscsi.xml     |   4 +-
 .../qemuxml2argv-hostdev-scsi-virtio-scsi.xml      |   2 +-
 ...emuxml2argv-hostdev-usb-address-device-boot.xml |   2 +-
 .../qemuxml2argv-hostdev-usb-address-device.xml    |   2 +-
 .../qemuxml2argv-hostdev-usb-address.xml           |   2 +-
 .../qemuxml2argv-hostdev-vfio-multidomain.xml      |   2 +-
 .../qemuxml2argvdata/qemuxml2argv-hostdev-vfio.xml |   2 +-
 .../qemuxml2argv-net-hostdev-multidomain.xml       |   2 +-
 .../qemuxml2argv-net-hostdev-vfio-multidomain.xml  |   2 +-
 .../qemuxml2argv-net-hostdev-vfio.xml              |   2 +-
 .../qemuxml2argvdata/qemuxml2argv-net-hostdev.xml  |   2 +-
 tests/qemuxml2argvdata/qemuxml2argv-pci-rom.xml    |   4 +-
 ...qemuxml2xmlout-hostdev-scsi-autogen-address.xml |  22 +--
 43 files changed, 340 insertions(+), 83 deletions(-)

-- 
1.9.3


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