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KVM: S390: Add virtio hotplug add support

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The one big missing feature in s390-virtio was hotplugging. This is no more.
This patch implements hotplug add support, so you can on the fly add new devices
in the guest.

Keep in mind that this needs a patch for qemu to actually leverage the
functionality.

Signed-off-by: Alexander Graf <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
This commit is contained in:
Alexander Graf 2010-08-24 15:48:51 +02:00 • committed by Avi Kivity
commit cefa33e2f8
2 changed files with 48 additions and 0 deletions
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arch/s390/include/asm/kvm_virtio.h
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@ -59,5 +59,6 @@ struct kvm_vqconfig {
#define VIRTIO_PARAM_MASK 0xff
#define VIRTIO_PARAM_VRING_INTERRUPT 0x0
#define VIRTIO_PARAM_CONFIG_CHANGED 0x1
#define VIRTIO_PARAM_DEV_ADD 0x2
#endif