From b022030520d9f3b6cd6758b141127b1203d4b890 Mon Sep 17 00:00:00 2001
From: Eddie Dong <eddie.dong@intel.com>
Date: Thu, 9 Jun 2011 16:24:09 +0800
Subject: [PATCH] Nested VMX: Add data structure for nestedvmx

Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Eddie Dong <eddie.dong@intel.com>
Acked-by: Tim Deegan <Tim.Deegan@citrix.com>
Committed-by: Tim Deegan <Tim.Deegan@citrix.com>
---
 xen/include/asm-x86/hvm/vcpu.h     |  2 ++
 xen/include/asm-x86/hvm/vmx/vvmx.h | 38 ++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 xen/include/asm-x86/hvm/vmx/vvmx.h

diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h
index 0282c01c3c..8c225a51eb 100644
--- a/xen/include/asm-x86/hvm/vcpu.h
+++ b/xen/include/asm-x86/hvm/vcpu.h
@@ -24,6 +24,7 @@
 #include <asm/hvm/io.h>
 #include <asm/hvm/vlapic.h>
 #include <asm/hvm/vmx/vmcs.h>
+#include <asm/hvm/vmx/vvmx.h>
 #include <asm/hvm/svm/vmcb.h>
 #include <asm/hvm/svm/nestedsvm.h>
 #include <asm/mtrr.h>
@@ -57,6 +58,7 @@ struct nestedvcpu {
     /* SVM/VMX arch specific */
     union {
         struct nestedsvm nsvm;
+        struct nestedvmx nvmx;
     } u;
 
     bool_t nv_flushp2m; /* True, when p2m table must be flushed */
diff --git a/xen/include/asm-x86/hvm/vmx/vvmx.h b/xen/include/asm-x86/hvm/vmx/vvmx.h
new file mode 100644
index 0000000000..d4b9579a83
--- /dev/null
+++ b/xen/include/asm-x86/hvm/vmx/vvmx.h
@@ -0,0 +1,38 @@
+
+/*
+ * vvmx.h: Support virtual VMX for nested virtualization.
+ *
+ * Copyright (c) 2010, Intel Corporation.
+ * Author: Qing He <qing.he@intel.com>
+ *         Eddie Dong <eddie.dong@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+#ifndef __ASM_X86_HVM_VVMX_H__
+#define __ASM_X86_HVM_VVMX_H__
+
+struct nestedvmx {
+    paddr_t    vmxon_region_pa;
+    void       *iobitmap[2];		/* map (va) of L1 guest I/O bitmap */
+    /* deferred nested interrupt */
+    struct {
+        unsigned long intr_info;
+        u32           error_code;
+    } intr;
+};
+
+#define vcpu_2_nvmx(v)	(vcpu_nestedhvm(v).u.nvmx)
+#endif /* __ASM_X86_HVM_VVMX_H__ */
+
-- 
2.30.2