1 files changed, 17 insertions, 53 deletions

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 76f5483cffec..502e53f999cf 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -15,6 +15,7 @@
 #include <linux/mm.h>
 #include <linux/mmu_notifier.h>
 #include <linux/tracepoint.h>
+#include <linux/cpumask.h>
 
 #include <linux/kvm.h>
 #include <linux/kvm_para.h>
@@ -39,11 +40,14 @@
                                   0xFFFFFF0000000000ULL)
 
 #define INVALID_PAGE (~(hpa_t)0)
+#define VALID_PAGE(x) ((x) != INVALID_PAGE)
+
 #define UNMAPPED_GVA (~(gpa_t)0)
 
 /* KVM Hugepage definitions for x86 */
 #define KVM_NR_PAGE_SIZES       3
-#define KVM_HPAGE_SHIFT(x)      (PAGE_SHIFT + (((x) - 1) * 9))
+#define KVM_HPAGE_GFN_SHIFT(x)  (((x) - 1) * 9)
+#define KVM_HPAGE_SHIFT(x)      (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
 #define KVM_HPAGE_SIZE(x)       (1UL << KVM_HPAGE_SHIFT(x))
 #define KVM_HPAGE_MASK(x)       (~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x)  (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
@@ -69,8 +73,6 @@
 
 #define IOPL_SHIFT 12
 
-#define KVM_ALIAS_SLOTS 4
-
 #define KVM_PERMILLE_MMU_PAGES 20
 #define KVM_MIN_ALLOC_MMU_PAGES 64
 #define KVM_MMU_HASH_SHIFT 10
@@ -241,7 +243,7 @@ struct kvm_mmu {
         void (*prefetch_page)(struct kvm_vcpu *vcpu,
                               struct kvm_mmu_page *page);
         int (*sync_page)(struct kvm_vcpu *vcpu,
-                         struct kvm_mmu_page *sp);
+                         struct kvm_mmu_page *sp, bool clear_unsync);
         void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
         hpa_t root_hpa;
         int root_level;
@@ -301,8 +303,8 @@ struct kvm_vcpu_arch {
                 unsigned long mmu_seq;
         } update_pte;
 
-        struct i387_fxsave_struct host_fx_image;
-        struct i387_fxsave_struct guest_fx_image;
+        struct fpu guest_fpu;
+        u64 xcr0;
 
         gva_t mmio_fault_cr2;
         struct kvm_pio_request pio;
@@ -360,26 +362,11 @@ struct kvm_vcpu_arch {
 
         /* fields used by HYPER-V emulation */
         u64 hv_vapic;
-};
-
-struct kvm_mem_alias {
-        gfn_t base_gfn;
-        unsigned long npages;
-        gfn_t target_gfn;
-#define KVM_ALIAS_INVALID     1UL
-        unsigned long flags;
-};
 
-#define KVM_ARCH_HAS_UNALIAS_INSTANTIATION
-
-struct kvm_mem_aliases {
-        struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
-        int naliases;
+        cpumask_var_t wbinvd_dirty_mask;
 };
 
 struct kvm_arch {
-        struct kvm_mem_aliases *aliases;
-
         unsigned int n_free_mmu_pages;
         unsigned int n_requested_mmu_pages;
         unsigned int n_alloc_mmu_pages;
@@ -533,6 +520,8 @@ struct kvm_x86_ops {
 
         void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
 
+        bool (*has_wbinvd_exit)(void);
+
         const struct trace_print_flags *exit_reasons_str;
 };
 
@@ -576,7 +565,6 @@ enum emulation_result {
 #define EMULTYPE_SKIP               (1 << 2)
 int emulate_instruction(struct kvm_vcpu *vcpu,
                         unsigned long cr2, u16 error_code, int emulation_type);
-void kvm_report_emulation_failure(struct kvm_vcpu *cvpu, const char *context);
 void realmode_lgdt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
 void realmode_lidt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
 
@@ -591,10 +579,7 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
 int emulate_clts(struct kvm_vcpu *vcpu);
-int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
-                    unsigned long *dest);
-int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
-                    unsigned long value);
+int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu);
 
 void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
 int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
@@ -602,15 +587,16 @@ int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason,
                     bool has_error_code, u32 error_code);
 
-void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
-void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
-void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
+int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
+int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
+int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
 void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val);
 unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
 void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
+int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr);
 
 int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
 int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data);
@@ -630,12 +616,7 @@ int kvm_pic_set_irq(void *opaque, int irq, int level);
 
 void kvm_inject_nmi(struct kvm_vcpu *vcpu);
 
-void fx_init(struct kvm_vcpu *vcpu);
-
-int emulator_write_emulated(unsigned long addr,
-                            const void *val,
-                            unsigned int bytes,
-                            struct kvm_vcpu *vcpu);
+int fx_init(struct kvm_vcpu *vcpu);
 
 void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
 void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
@@ -664,8 +645,6 @@ void kvm_disable_tdp(void);
 int complete_pio(struct kvm_vcpu *vcpu);
 bool kvm_check_iopl(struct kvm_vcpu *vcpu);
 
-struct kvm_memory_slot *gfn_to_memslot_unaliased(struct kvm *kvm, gfn_t gfn);
-
 static inline struct kvm_mmu_page *page_header(hpa_t shadow_page)
 {
         struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT);
@@ -719,21 +698,6 @@ static inline unsigned long read_msr(unsigned long msr)
 }
 #endif
 
-static inline void kvm_fx_save(struct i387_fxsave_struct *image)
-{
-        asm("fxsave (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_restore(struct i387_fxsave_struct *image)
-{
-        asm("fxrstor (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_finit(void)
-{
-        asm("finit");
-}
-
 static inline u32 get_rdx_init_val(void)
 {
         return 0x600; /* P6 family */