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q35: add virtio-mmio slots #13

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q35: add virtio-mmio slots #13

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Commits on May 14, 2024

  1. q35: add virtio-mmio slots 

    Disabled by default, enable using '-machine q35,x-svsm-virtio-mmio=on'.

When enabled it is possible to plug up to 4 virtio devices into the
slots virtio-mmio using '-device virtio-${kind}-device'.

The devices can be found at base address 0xfef00000, each slot on a
separate page.  No IRQ is wired up, the svsm has to drive the devices
in polling mode.
    @kraxel @osteffenrh
    kraxel authored and osteffenrh committed May 14, 2024
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