On Wed, 2017-05-03 at 16:05 +0200, Ján Tomko wrote:
Add a new <ioapic> element with a driver attribute. Possible values are qemu and kvm. With 'qemu', the I/O APIC can be put in the userspace even for KVM domains. https://bugzilla.redhat.com/show_bug.cgi?id=1427005 --- docs/formatdomain.html.in | 8 ++++++ docs/schemas/domaincommon.rng | 15 ++++++++++ src/conf/domain_conf.c | 33 +++++++++++++++++++++- src/conf/domain_conf.h | 11 ++++++++ .../qemuxml2argv-intel-iommu-ioapic.xml | 29 +++++++++++++++++++ .../qemuxml2xmlout-intel-iommu-ioapic.xml | 1 + tests/qemuxml2xmltest.c | 1 + 7 files changed, 97 insertions(+), 1 deletion(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-ioapic.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-intel-iommu-ioapic.xml
Please make sure that only x86 guests can use the <ioapic/> feature, and all other guests get an error instead. Also I didn't check whether this is the case already, but the feature should be advertised the same way <apic/> is, and in particular it should show up in the capabilities XML. -- Andrea Bolognani / Red Hat / Virtualization