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- VFIO virtual device
- ===================
- Device types supported:
- KVM_DEV_TYPE_VFIO
- Only one VFIO instance may be created per VM. The created device
- tracks VFIO groups in use by the VM and features of those groups
- important to the correctness and acceleration of the VM. As groups
- are enabled and disabled for use by the VM, KVM should be updated
- about their presence. When registered with KVM, a reference to the
- VFIO-group is held by KVM.
- Groups:
- KVM_DEV_VFIO_GROUP
- KVM_DEV_VFIO_GROUP attributes:
- KVM_DEV_VFIO_GROUP_ADD: Add a VFIO group to VFIO-KVM device tracking
- KVM_DEV_VFIO_GROUP_DEL: Remove a VFIO group from VFIO-KVM device tracking
- For each, kvm_device_attr.addr points to an int32_t file descriptor
- for the VFIO group.
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