KVM: PPC: Add kvm_book3s_32.h

In analogy to the 64 bit specific header file, this is the 32 bit
pendant. With this in place we can just always call to_svcpu and
be assured we get the right pointer anywhere.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/arch/powerpc/include/asm/kvm_book3s_32.h b/arch/powerpc/include/asm/kvm_book3s_32.h
new file mode 100644 (file)
index 0000000..de604db
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_book3s_32.h
@@ -0,0 +1,42 @@
+/*
+ * 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 SUSE Linux Products GmbH 2010
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_32_H__
+#define __ASM_KVM_BOOK3S_32_H__
+
+static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
+{
+       return to_book3s(vcpu)->shadow_vcpu;
+}
+
+#define PTE_SIZE       12
+#define VSID_ALL       0
+#define SR_INVALID     0x00000001      /* VSID 1 should always be unused */
+#define SR_KP          0x20000000
+#define PTE_V          0x80000000
+#define PTE_SEC                0x00000040
+#define PTE_M          0x00000010
+#define PTE_R          0x00000100
+#define PTE_C          0x00000080
+
+#define SID_SHIFT      28
+#define ESID_MASK      0xf0000000
+#define VSID_MASK      0x00fffffff0000000ULL
+
+#endif /* __ASM_KVM_BOOK3S_32_H__ */