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authorAlexander Graf <agraf@suse.de>2010-08-24 15:48:50 +0200
committerAvi Kivity <avi@redhat.com>2010-10-24 10:51:29 +0200
commitfc678d67fee1acccf21322318dd833b892a572e4 (patch)
treef5ab551bbecdb38f877e933dbf3d600627eeb113 /arch/s390
parent189be38db3dde12699a8b9dc22d33e8c95efe110 (diff)
KVM: S390: take a full byte as ext_param indicator
Currenty the ext_param field only distinguishes between "config change" and "vring interrupt". We can do a lot more with it though, so let's enable a full byte of possible values and constants to #defines while at it. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/kvm_virtio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_virtio.h b/arch/s390/include/asm/kvm_virtio.h
index acdfdff26611..3f5d100a42a2 100644
--- a/arch/s390/include/asm/kvm_virtio.h
+++ b/arch/s390/include/asm/kvm_virtio.h
@@ -54,4 +54,10 @@ struct kvm_vqconfig {
* This is pagesize for historical reasons. */
#define KVM_S390_VIRTIO_RING_ALIGN 4096
+
+/* These values are supposed to be in ext_params on an interrupt */
+#define VIRTIO_PARAM_MASK 0xff
+#define VIRTIO_PARAM_VRING_INTERRUPT 0x0
+#define VIRTIO_PARAM_CONFIG_CHANGED 0x1
+
#endif