From 5d308f4550d9dc4c236e08b0377b610b9578577b Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 1 Mar 2007 17:56:20 +0200 Subject: KVM: Add method to check for backwards-compatible API extensions Signed-off-by: Avi Kivity --- include/linux/kvm.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/linux') diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 93472daec12..c93cf53953a 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -232,6 +232,11 @@ struct kvm_cpuid { #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) +/* + * Check if a kvm extension is available. Argument is extension number, + * return is 1 (yes) or 0 (no, sorry). + */ +#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) /* * ioctls for VM fds -- cgit v1.2.3