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authorCornelia Huck <cornelia.huck@de.ibm.com>2013-02-28 12:33:20 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2013-03-05 19:12:17 -0300
commit2b83451b45d720ca38c03878ce42ff9139cad9e3 (patch)
tree374b4ab82ffc115dc8cb76f783f7735521b6c7bf /include/uapi
parent060f0ce6ff975decd1e0ee318c08e228bccbee1e (diff)
downloadblackbird-op-linux-2b83451b45d720ca38c03878ce42ff9139cad9e3.tar.gz
blackbird-op-linux-2b83451b45d720ca38c03878ce42ff9139cad9e3.zip
KVM: ioeventfd for virtio-ccw devices.
Enhance KVM_IOEVENTFD with a new flag that allows to attach to virtio-ccw devices on s390 via the KVM_VIRTIO_CCW_NOTIFY_BUS. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/kvm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 3c56ba3d80c1..74d0ff3dfd66 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -449,12 +449,15 @@ enum {
kvm_ioeventfd_flag_nr_datamatch,
kvm_ioeventfd_flag_nr_pio,
kvm_ioeventfd_flag_nr_deassign,
+ kvm_ioeventfd_flag_nr_virtio_ccw_notify,
kvm_ioeventfd_flag_nr_max,
};
#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
+#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
+ (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
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