[libvirt] [PATCH v3 0/3] Allow PCI virtio on ARM "virt" machine

Virt machine in qemu since v2.3.0 has PCI generic host controller, and can use PCI devices. This provides performance improvement as well as vhost-net with irqfd support for virtio-net. However libvirt currently does not allow ARM virt machine to have PCI devices. This patchset adds the necessary support. This version is completely reworked and uses different approach. Changes since v2: - Correctly model PCI Express bus on the machine. It is now possible to explicitly specify <address-type='pci'> with attributes. This allows to attach not only virtio, but any other PCI device to the model. - Default is not changed and still mmio, for backwards compatibility with existing installations. PCI bus has to be explicitly specified. - Check for the capability in correct place, in v2 it actually did not work Changes since v1: - Added capability based on qemu version number - Recognize also "virt-" prefix Pavel Fedin (3): Introduce QEMU_CAPS_ARM_VIRT_PCI Add PCI-Express root to ARM virt machine Build correct command line for PCI NICs on ARM src/qemu/qemu_capabilities.c | 5 +++++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_command.c | 3 ++- src/qemu/qemu_domain.c | 12 ++++++++---- 4 files changed, 16 insertions(+), 5 deletions(-) -- 1.9.5.msysgit.0