Merge tag 'v3.10.86' into linux-linaro-lsk-v3.10

[firefly-linux-kernel-4.4.55.git] / arch / x86 / include / asm / kvm_host.h

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index f7f20f7fac3cc18b6905f9e74acaf167acfa3544..693ab2d3920950e7206a931600bb4b261e6648f2 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -79,6 +79,13 @@
 #define KVM_HPAGE_MASK(x)      (~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 
+static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
+{
+       /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */
+       return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) -
+               (base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
+}
+
 #define SELECTOR_TI_MASK (1 << 2)
 #define SELECTOR_RPL_MASK 0x03
 
@@ -96,10 +103,6 @@
 
 #define ASYNC_PF_PER_VCPU 64
 
-struct kvm_vcpu;
-struct kvm;
-struct kvm_async_pf;
-
 enum kvm_reg {
        VCPU_REGS_RAX = 0,
        VCPU_REGS_RCX = 1,
@@ -463,6 +466,7 @@ struct kvm_vcpu_arch {
        u64 mmio_gva;
        unsigned access;
        gfn_t mmio_gfn;
+       u64 mmio_gen;
 
        struct kvm_pmu pmu;
 
@@ -540,7 +544,7 @@ struct kvm_arch {
        struct kvm_pic *vpic;
        struct kvm_ioapic *vioapic;
        struct kvm_pit *vpit;
-       int vapics_in_nmi_mode;
+       atomic_t vapics_in_nmi_mode;
        struct mutex apic_map_lock;
        struct kvm_apic_map *apic_map;
 
@@ -631,8 +635,8 @@ struct msr_data {
 struct kvm_x86_ops {
        int (*cpu_has_kvm_support)(void);          /* __init */
        int (*disabled_by_bios)(void);             /* __init */
-       int (*hardware_enable)(void *dummy);
-       void (*hardware_disable)(void *dummy);
+       int (*hardware_enable)(void);
+       void (*hardware_disable)(void);
        void (*check_processor_compatibility)(void *rtn);
        int (*hardware_setup)(void);               /* __init */
        void (*hardware_unsetup)(void);            /* __exit */
@@ -952,6 +956,20 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
        kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
 }
 
+static inline u64 get_canonical(u64 la)
+{
+       return ((int64_t)la << 16) >> 16;
+}
+
+static inline bool is_noncanonical_address(u64 la)
+{
+#ifdef CONFIG_X86_64
+       return get_canonical(la) != la;
+#else
+       return false;
+#endif
+}
+
 #define TSS_IOPB_BASE_OFFSET 0x66
 #define TSS_BASE_SIZE 0x68
 #define TSS_IOPB_SIZE (65536 / 8)
@@ -1010,7 +1028,7 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
 void kvm_vcpu_reset(struct kvm_vcpu *vcpu);
 
 void kvm_define_shared_msr(unsigned index, u32 msr);
-void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
+int kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
 
 bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);