A new 4K page pointer is added to arch_vmx_struct as PML buffer for vcpu. And a
new 'status' field is added to vmx_domain to indicate whether PML is enabled for
the domain or not.
Signed-off-by: Kai Huang <kai.hu...@linux.intel.com>
---
xen/include/asm-x86/hvm/vmx/vmcs.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/xen/include/asm-x86/hvm/vmx/vmcs.h
b/xen/include/asm-x86/hvm/vmx/vmcs.h
index f831a78..441e974 100644
--- a/xen/include/asm-x86/hvm/vmx/vmcs.h
+++ b/xen/include/asm-x86/hvm/vmx/vmcs.h
@@ -70,8 +70,12 @@ struct ept_data {
cpumask_var_t synced_mask;
};
+#define _VMX_DOMAIN_PML_ENABLED 0
+#define VMX_DOMAIN_PML_ENABLED (1ul << _VMX_DOMAIN_PML_ENABLED)
struct vmx_domain {
unsigned long apic_access_mfn;
+ /* VMX_DOMAIN_* */
+ unsigned int status;
};
struct pi_desc {
@@ -85,6 +89,8 @@ struct pi_desc {
#define ept_get_eptp(ept) ((ept)->eptp)
#define ept_get_synced_mask(ept) ((ept)->synced_mask)
+#define NR_PML_ENTRIES 512
+
struct arch_vmx_struct {
/* Virtual address of VMCS. */
struct vmcs_struct *vmcs;
@@ -142,6 +148,8 @@ struct arch_vmx_struct {
/* Bitmap to control vmexit policy for Non-root VMREAD/VMWRITE */
struct page_info *vmread_bitmap;
struct page_info *vmwrite_bitmap;
+
+ struct page_info *pml_pg;
};
int vmx_create_vmcs(struct vcpu *v);
--
2.1.0
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