[libvirt] [PATCH 0/3] Add support for preallocated fd memory

[Jaroslav Safka]

Hi,
we would like to introduce 3 new elements source,access and allocation in memoryBacking element.

<memoryBacking>
     <source type="file|anonymous"/>
     <access Mode="shared|private"/>
     <allocation mode="immediate|ondemand"/> </memoryBacking>

If allocation is immediate then -mem-prealloc should be added to the qemu commanline.
If source is file then
-object memory-backend-file,id=mem,size=1024M,mem-path=/var/lib/libvirt/qemu -numa node,memdev=mem Should be added to the qemu commandline

If access is shared then the share=on parameter should be added to the memory-backend-file e.g.
-object memory-backend-file,id=mem,size=1024M,mem-path=/var/lib/libvirt/qemu,share=on

Also token memAccess in numa cell is used (if not present, default value from memoryBacking is used)

Jaroslav Safka (3):
  Add support for preallocated fd memory
  Add support for preallocated fd memory
  Add support for preallocated fd memory - doc

 docs/formatdomain.html.in                          |  10 ++
 docs/schemas/domaincommon.rng                      |  30 ++++
 src/conf/domain_conf.c                             | 138 +++++++++++++-----
 src/conf/domain_conf.h                             |  33 +++++
 src/qemu/qemu_command.c                            | 156 ++++++++++++++++-----
 src/qemu/qemu_command.h                            |   4 +
 .../qemuxml2argv-fd-memory-no-numa-topology.args   |  33 +++++
 .../qemuxml2argv-fd-memory-no-numa-topology.xml    |  91 ++++++++++++
 .../qemuxml2argv-fd-memory-numa-topology.args      |  33 +++++
 .../qemuxml2argv-fd-memory-numa-topology.xml       |  94 +++++++++++++
 .../qemuxml2argv-fd-memory-numa-topology2.args     |  36 +++++
 .../qemuxml2argv-fd-memory-numa-topology2.xml      |  95 +++++++++++++
 .../qemuxml2argv-fd-memory-numa-topology3.args     |  39 ++++++
 .../qemuxml2argv-fd-memory-numa-topology3.xml      |  96 +++++++++++++
 .../qemuxml2argv-memorybacking-set.xml             |  32 +++++
 .../qemuxml2argv-memorybacking-unset.xml           |  32 +++++
 tests/qemuxml2argvtest.c                           |  42 ++++++
 .../qemuxml2xmlout-memorybacking-set.xml           |  40 ++++++
 .../qemuxml2xmlout-memorybacking-unset.xml         |  40 ++++++
 tests/qemuxml2xmltest.c                            |   3 +
 20 files changed, 1011 insertions(+), 66 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memorybacking-set.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memorybacking-unset.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-memorybacking-set.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-memorybacking-unset.xml

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