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authorAlexander Graf <agraf@suse.de>2010-07-29 14:47:42 +0200
committerAvi Kivity <avi@redhat.com>2010-10-24 10:50:42 +0200
commit96bc451a153297bf1f99ef2d633d512ea349ae7a (patch)
tree75ab4d40387ea1295a23b180e4c8719ce7053d00 /arch/powerpc/include/asm/kvm_para.h
parent34698d8c61bd3fc86b2e99c3d1ad9ef140b3eb0d (diff)
KVM: PPC: Introduce shared page
For transparent variable sharing between the hypervisor and guest, I introduce a shared page. This shared page will contain all the registers the guest can read and write safely without exiting guest context. This patch only implements the stubs required for the basic structure of the shared page. The actual register moving follows. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/include/asm/kvm_para.h')
-rw-r--r--arch/powerpc/include/asm/kvm_para.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/kvm_para.h b/arch/powerpc/include/asm/kvm_para.h
index 2d48f6a63d0..1485ba87a52 100644
--- a/arch/powerpc/include/asm/kvm_para.h
+++ b/arch/powerpc/include/asm/kvm_para.h
@@ -20,6 +20,11 @@
#ifndef __POWERPC_KVM_PARA_H__
#define __POWERPC_KVM_PARA_H__
+#include <linux/types.h>
+
+struct kvm_vcpu_arch_shared {
+};
+
#ifdef __KERNEL__
static inline int kvm_para_available(void)