[Xen-devel] [PATCH 1/4] xen: Add EPT A/D bits definitions

[Xudong Hao <xudong.hao@xxxxxxxxx>]

Add EPT A/D bits definitions.

Signed-off-by: Haitao Shan<haitao.shan@xxxxxxxxx>
Signed-off-by: Xudong Hao <xudong.hao@xxxxxxxxx>
---
 xen/include/asm-x86/hvm/vmx/vmcs.h |    4 +++-
 xen/include/asm-x86/hvm/vmx/vmx.h  |    3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/xen/include/asm-x86/hvm/vmx/vmcs.h 
b/xen/include/asm-x86/hvm/vmx/vmcs.h
index 6100619..c0b9a44 100644
--- a/xen/include/asm-x86/hvm/vmx/vmcs.h
+++ b/xen/include/asm-x86/hvm/vmx/vmcs.h
@@ -62,7 +62,8 @@ struct vmx_domain {
         struct {
             u64 ept_mt :3,
                 ept_wl :3,
-                rsvd   :6,
+                ept_ad :1,
+                rsvd   :5,
                 asr    :52;
         };
         u64 eptp;
@@ -194,6 +195,7 @@ extern bool_t cpu_has_vmx_ins_outs_instr_info;
 #define VMX_EPT_SUPERPAGE_2MB                   0x00010000
 #define VMX_EPT_SUPERPAGE_1GB                   0x00020000
 #define VMX_EPT_INVEPT_INSTRUCTION              0x00100000
+#define VMX_EPT_AD_BITS_SUPPORT                 0x00200000
 #define VMX_EPT_INVEPT_SINGLE_CONTEXT           0x02000000
 #define VMX_EPT_INVEPT_ALL_CONTEXT              0x04000000
 
diff --git a/xen/include/asm-x86/hvm/vmx/vmx.h 
b/xen/include/asm-x86/hvm/vmx/vmx.h
index accfa3f..416504f 100644
--- a/xen/include/asm-x86/hvm/vmx/vmx.h
+++ b/xen/include/asm-x86/hvm/vmx/vmx.h
@@ -37,7 +37,8 @@ typedef union {
         emt         :   3,  /* bits 5:3 - EPT Memory type */
         ipat        :   1,  /* bit 6 - Ignore PAT memory type */
         sp          :   1,  /* bit 7 - Is this a superpage? */
-        rsvd1       :   2,  /* bits 9:8 - Reserved for future use */
+        a           :   1,  /* bit 8 - Access bit */
+        d           :   1,  /* bit 9 - Dirty bit */
         avail1      :   1,  /* bit 10 - Software available 1 */
         rsvd2_snp   :   1,  /* bit 11 - Used for VT-d snoop control
                                in shared EPT/VT-d usage */
-- 
1.5.5


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