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| author | Sasha Levin <sasha.levin@oracle.com> | 2013-05-03 16:29:12 -0400 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-06-01 16:39:54 +0100 |
| commit | 04b53c1615e8dc2bded7a445ef7e9abae6f92afc (patch) | |
| tree | 664774d083c4f31854caac33e3e1fd4c3673826e | |
| parent | 9e56ec141326bfdd20ca82e8f92c493e3ecef006 (diff) | |
| download | kvmtool-04b53c1615e8dc2bded7a445ef7e9abae6f92afc.tar.gz | |
kvm tools: add status notification hook for virtio
Some devices want to know their status, use this hook to allow them to
get that notification.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
| -rw-r--r-- | include/kvm/virtio.h | 1 | ||||
| -rw-r--r-- | virtio/pci.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/kvm/virtio.h b/include/kvm/virtio.h index 924279b1..269ea4a9 100644 --- a/include/kvm/virtio.h +++ b/include/kvm/virtio.h @@ -80,6 +80,7 @@ struct virtio_ops { void (*notify_vq_eventfd)(struct kvm *kvm, void *dev, u32 vq, u32 efd); int (*signal_vq)(struct kvm *kvm, struct virtio_device *vdev, u32 queueid); int (*signal_config)(struct kvm *kvm, struct virtio_device *vdev); + void (*notify_status)(struct kvm *kvm, void *dev, u8 status); int (*init)(struct kvm *kvm, void *dev, struct virtio_device *vdev, int device_id, int subsys_id, int class); int (*exit)(struct kvm *kvm, struct virtio_device *vdev); diff --git a/virtio/pci.c b/virtio/pci.c index 227d5674..fec8ce06 100644 --- a/virtio/pci.c +++ b/virtio/pci.c @@ -210,6 +210,8 @@ static bool virtio_pci__io_out(struct ioport *ioport, struct kvm *kvm, u16 port, break; case VIRTIO_PCI_STATUS: vpci->status = ioport__read8(data); + if (vdev->ops->notify_status) + vdev->ops->notify_status(kvm, vpci->dev, vpci->status); break; default: ret = virtio_pci__specific_io_out(kvm, vdev, port, data, size, offset); |