KVM: ppc: guest breakpoint support

Allow host userspace to program hardware debug registers to set breakpoints
inside guests.

Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 2655e2a4831..23bad40b0ea 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -86,6 +86,11 @@ struct kvm_vcpu_arch {
 
         u32 host_stack;
         u32 host_pid;
+        u32 host_dbcr0;
+        u32 host_dbcr1;
+        u32 host_dbcr2;
+        u32 host_iac[4];
+        u32 host_msr;
 
         u64 fpr[32];
         u32 gpr[32];