1 files changed, 29 insertions, 0 deletions

diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h
index ed5df3a54aab..509845942070 100644
--- a/include/asm-x86/kvm_para.h
+++ b/include/asm-x86/kvm_para.h
@@ -12,10 +12,39 @@
 #define KVM_CPUID_FEATURES      0x40000001
 #define KVM_FEATURE_CLOCKSOURCE         0
 #define KVM_FEATURE_NOP_IO_DELAY        1
+#define KVM_FEATURE_MMU_OP              2
 
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12
 
+#define KVM_MAX_MMU_OP_BATCH           32
+
+/* Operations for KVM_HC_MMU_OP */
+#define KVM_MMU_OP_WRITE_PTE            1
+#define KVM_MMU_OP_FLUSH_TLB            2
+#define KVM_MMU_OP_RELEASE_PT           3
+
+/* Payload for KVM_HC_MMU_OP */
+struct kvm_mmu_op_header {
+        __u32 op;
+        __u32 pad;
+};
+
+struct kvm_mmu_op_write_pte {
+        struct kvm_mmu_op_header header;
+        __u64 pte_phys;
+        __u64 pte_val;
+};
+
+struct kvm_mmu_op_flush_tlb {
+        struct kvm_mmu_op_header header;
+};
+
+struct kvm_mmu_op_release_pt {
+        struct kvm_mmu_op_header header;
+        __u64 pt_phys;
+};
+
 #ifdef __KERNEL__
 #include <asm/processor.h>