Merge branches 'x86/numa-fixes', 'x86/apic', 'x86/apm', 'x86/bitops', 'x86/build...

[deliverable/linux.git] / include / asm-x86 / kvm_para.h

diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h
index c6f3fd8d8c5350956b07764551c365f1f3b450b3..76f392146daa46304adfb404874164a7a628010d 100644 (file)
--- a/include/asm-x86/kvm_para.h
+++ b/include/asm-x86/kvm_para.h
@@ -10,10 +10,47 @@
  * paravirtualization, the appropriate feature bit should be checked.
  */
 #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>
 
+extern void kvmclock_init(void);
+
+
 /* This instruction is vmcall.  On non-VT architectures, it will generate a
  * trap that we will then rewrite to the appropriate instruction.
  */
@@ -34,7 +71,8 @@ static inline long kvm_hypercall0(unsigned int nr)
        long ret;
        asm volatile(KVM_HYPERCALL
                     : "=a"(ret)
-                    : "a"(nr));
+                    : "a"(nr)
+                    : "memory");
        return ret;
 }
 
@@ -43,7 +81,8 @@ static inline long kvm_hypercall1(unsigned int nr, unsigned long p1)
        long ret;
        asm volatile(KVM_HYPERCALL
                     : "=a"(ret)
-                    : "a"(nr), "b"(p1));
+                    : "a"(nr), "b"(p1)
+                    : "memory");
        return ret;
 }
 
@@ -53,7 +92,8 @@ static inline long kvm_hypercall2(unsigned int nr, unsigned long p1,
        long ret;
        asm volatile(KVM_HYPERCALL
                     : "=a"(ret)
-                    : "a"(nr), "b"(p1), "c"(p2));
+                    : "a"(nr), "b"(p1), "c"(p2)
+                    : "memory");
        return ret;
 }
 
@@ -63,7 +103,8 @@ static inline long kvm_hypercall3(unsigned int nr, unsigned long p1,
        long ret;
        asm volatile(KVM_HYPERCALL
                     : "=a"(ret)
-                    : "a"(nr), "b"(p1), "c"(p2), "d"(p3));
+                    : "a"(nr), "b"(p1), "c"(p2), "d"(p3)
+                    : "memory");
        return ret;
 }
 
@@ -74,7 +115,8 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
        long ret;
        asm volatile(KVM_HYPERCALL
                     : "=a"(ret)
-                    : "a"(nr), "b"(p1), "c"(p2), "d"(p3), "S"(p4));
+                    : "a"(nr), "b"(p1), "c"(p2), "d"(p3), "S"(p4)
+                    : "memory");
        return ret;
 }