[PATCH 0/2] Add support for IOMMU address width

Menno Lageman menno.lageman at oracle.com
Thu Jun 4 07:42:41 UTC 2020


Since commit 37f51384ae05 ('intel-iommu: Extend address width to 48
bits') QEMU supports setting the address width of the IOMMU. This patch
adds a new 'aw_bits' attribute to the iommu in libvirtd to configure
this.

Menno Lageman (2):
  conf: add address width attribute to iommu
  qemu: format address wdith on intel-iommu command line

 docs/formatdomain.html.in                     |  9 +++++
 docs/schemas/domaincommon.rng                 |  5 +++
 src/conf/domain_conf.c                        | 21 +++++++++++
 src/conf/domain_conf.h                        |  1 +
 src/qemu/qemu_capabilities.c                  |  6 ++++
 src/qemu/qemu_capabilities.h                  |  4 +++
 src/qemu/qemu_command.c                       |  6 ++++
 src/qemu/qemu_validate.c                      |  9 ++++-
 .../caps_2.12.0.x86_64.xml                    |  1 +
 .../caps_3.0.0.x86_64.xml                     |  1 +
 .../caps_3.1.0.x86_64.xml                     |  1 +
 .../caps_4.0.0.x86_64.xml                     |  1 +
 .../caps_4.1.0.x86_64.xml                     |  1 +
 .../caps_4.2.0.x86_64.xml                     |  1 +
 .../caps_5.0.0.x86_64.xml                     |  1 +
 .../caps_5.1.0.x86_64.xml                     |  1 +
 .../intel-iommu-aw-bits.x86_64-latest.args    | 33 +++++++++++++++++
 .../qemuxml2argvdata/intel-iommu-aw-bits.xml  | 35 +++++++++++++++++++
 tests/qemuxml2argvtest.c                      |  1 +
 .../intel-iommu-aw-bits.x86_64-latest.xml     |  1 +
 tests/qemuxml2xmltest.c                       |  1 +
 21 files changed, 139 insertions(+), 1 deletion(-)
 create mode 100644 tests/qemuxml2argvdata/intel-iommu-aw-bits.x86_64-latest.args
 create mode 100644 tests/qemuxml2argvdata/intel-iommu-aw-bits.xml
 create mode 120000 tests/qemuxml2xmloutdata/intel-iommu-aw-bits.x86_64-latest.xml

-- 
2.26.2




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