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Explicitly represent balloon device in XML and handle PCI address

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To allow compatibility with older QEMU PCI device slot assignment
it is necessary to explicitly track the balloon device in the
XML. This introduces a new device

   <memballoon model='virtio|xen'/>

It can also have a PCI address, auto-assigned if necessary.

The memballoon will be automatically added to all Xen and QEMU
guests by default.

* docs/schemas/domain.rng: Add <memballoon> element
* src/conf/domain_conf.c, src/conf/domain_conf.h: parsing
  and formatting for memballoon device. Always add a memory
  balloon device to Xen/QEMU if none exists in XML
* src/libvirt_private.syms: Export memballoon model APIs
* src/qemu/qemu_conf.c, src/qemu/qemu_conf.h: Honour the
  PCI device address in memory balloon device
* tests/*: Update to test new functionality
This commit is contained in:
Daniel P. Berrange
2010-07-15 14:02:42 +01:00
committed by Daniel P. Berrange
parent ccd2c82ee4
commit b2f1863533
102 changed files with 377 additions and 11 deletions
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1
tests/qemuxml2argvdata/qemuxml2argv-serial-dev-chardev.xml
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@@ -28,5 +28,6 @@
<source path='/dev/ttyS2'/>
<target port='0'/>
</console>
<memballoon model='virtio'/>
</devices>
</domain>