[libvirt] [PATCHv2 15/15] qemu: format virtio-related options on the command line

[Pavel Hrdina]

On Tue, Jun 06, 2017 at 01:36:29PM +0200, Ján Tomko wrote:
> Format iommu_platform= and ats= for virtio devices.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1283251
> ---
>  src/qemu/qemu_capabilities.c                       | 12 ++++-
>  src/qemu/qemu_capabilities.h                       |  2 +
>  src/qemu/qemu_command.c                            | 58 ++++++++++++++++++++++
>  tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml   |  2 +
>  .../qemuxml2argv-virtio-options.args               | 44 +++++++++-------
>  tests/qemuxml2argvtest.c                           |  4 +-
>  6 files changed, 102 insertions(+), 20 deletions(-)

I've just realized that we format the iommu options only for some
controller types or disk devices with bus="virtio".  Shouldn't we check
this in post parse callback and don't allow to specify the iommu options
where it doesn't make sense?

Otherwise the patch itself is good, so

Reviewed-by: Pavel Hrdina <phrdina at redhat.com>
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