[Xen-devel] RFC: Nested VMX patch series 01: data structure

["Dong, Eddie" <eddie.dong@xxxxxxxxx>]

Thanks, Eddie

        Signed-off-by: Qing He <qing.he@xxxxxxxxx>
        Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>


diff -r 9aa31694b91e xen/include/asm-x86/hvm/vcpu.h
--- a/xen/include/asm-x86/hvm/vcpu.h    Tue May 31 17:58:09 2011 +0800
+++ b/xen/include/asm-x86/hvm/vcpu.h    Tue May 31 18:00:58 2011 +0800
@@ -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 @@
     /* SVM/VMX arch specific */
     union {
         struct nestedsvm nsvm;
+        struct nestedvmx nvmx;
     } u;
 
     bool_t nv_flushp2m; /* True, when p2m table must be flushed */
diff -r 9aa31694b91e xen/include/asm-x86/hvm/vmx/vvmx.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/include/asm-x86/hvm/vmx/vvmx.h        Tue May 31 18:00:58 2011 +0800
@@ -0,0 +1,41 @@
+
+/*
+ * vvmx.h: Support virtual VMX for nested virtualization.
+ *
+ * Copyright (c) 2010, Intel Corporation.
+ * Author: Qing He <qing.he@xxxxxxxxx>
+ *         Eddie Dong <eddie.dong@xxxxxxxxx>
+ *
+ * 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 vmcs_struct;
+
+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 nvcpu_2_nvmx(nv)       ((*(nv)).u.nvmx)
+#define vcpu_2_nvmx(v) (nvcpu_2_nvmx(&vcpu_nestedhvm(v)))
+#endif /* __ASM_X86_HVM_VVMX_H__ */
+

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