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| author | Alexander Graf <agraf@suse.de> | 2010-08-24 15:48:50 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:29 +0200 |
| commit | fc678d67fee1acccf21322318dd833b892a572e4 (patch) | |
| tree | f5ab551bbecdb38f877e933dbf3d600627eeb113 /arch/s390 | |
| parent | 189be38db3dde12699a8b9dc22d33e8c95efe110 (diff) | |
| download | lwn-fc678d67fee1acccf21322318dd833b892a572e4.tar.gz lwn-fc678d67fee1acccf21322318dd833b892a572e4.zip | |
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.h | 6 |
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 |