KVM: ppc: PowerPC 440 KVM implementation

This functionality is definitely experimental, but is capable of running
unmodified PowerPC 440 Linux kernels as guests on a PowerPC 440 host. (Only
tested with 440EP "Bamboo" guests so far, but with appropriate userspace
support other SoC/board combinations should work.)

See Documentation/powerpc/kvm_440.txt for technical details.

[stephen: build fix]

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 51 insertions, 2 deletions

diff --git a/include/asm-powerpc/kvm.h b/include/asm-powerpc/kvm.h
index d1b530fbf8dd..f993e4198d5c 100644
--- a/include/asm-powerpc/kvm.h
+++ b/include/asm-powerpc/kvm.h
@@ -1,6 +1,55 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2007
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
 #ifndef __LINUX_KVM_POWERPC_H
 #define __LINUX_KVM_POWERPC_H
 
-/* powerpc does not support KVM */
+#include <asm/types.h>
+
+struct kvm_regs {
+        __u64 pc;
+        __u64 cr;
+        __u64 ctr;
+        __u64 lr;
+        __u64 xer;
+        __u64 msr;
+        __u64 srr0;
+        __u64 srr1;
+        __u64 pid;
+
+        __u64 sprg0;
+        __u64 sprg1;
+        __u64 sprg2;
+        __u64 sprg3;
+        __u64 sprg4;
+        __u64 sprg5;
+        __u64 sprg6;
+        __u64 sprg7;
+
+        __u64 gpr[32];
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+        __u64 fpr[32];
+};
 
-#endif
+#endif /* __LINUX_KVM_POWERPC_H */