virtio: provide a method to get the IRQ affinity mask for a virtqueue

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This basically passed up the pci_irq_get_affinity information through
virtio through an optional get_vq_affinity method.  It is only implemented
by the PCI backend for now, and only when we use per-virtqueue IRQs.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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Christoph Hellwig 2017-02-05 18:15:23 +01:00 • committed by Michael S. Tsirkin

parent fb5e31d970

commit bbaba47956

5 changed files with 19 additions and 0 deletions

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3

include/linux/virtio_config.h

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