1 files changed, 67 insertions, 0 deletions

diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index ec1d66940c80..77b4092c0542 100644
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -121,6 +121,73 @@ struct kvm_vcpu {
         struct x86_emulate_ctxt emulate_ctxt;
 };
 
+struct kvm_x86_ops {
+        int (*cpu_has_kvm_support)(void);          /* __init */
+        int (*disabled_by_bios)(void);             /* __init */
+        void (*hardware_enable)(void *dummy);      /* __init */
+        void (*hardware_disable)(void *dummy);
+        void (*check_processor_compatibility)(void *rtn);
+        int (*hardware_setup)(void);               /* __init */
+        void (*hardware_unsetup)(void);            /* __exit */
+
+        /* Create, but do not attach this VCPU */
+        struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id);
+        void (*vcpu_free)(struct kvm_vcpu *vcpu);
+        int (*vcpu_reset)(struct kvm_vcpu *vcpu);
+
+        void (*prepare_guest_switch)(struct kvm_vcpu *vcpu);
+        void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
+        void (*vcpu_put)(struct kvm_vcpu *vcpu);
+        void (*vcpu_decache)(struct kvm_vcpu *vcpu);
+
+        int (*set_guest_debug)(struct kvm_vcpu *vcpu,
+                               struct kvm_debug_guest *dbg);
+        void (*guest_debug_pre)(struct kvm_vcpu *vcpu);
+        int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata);
+        int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
+        u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg);
+        void (*get_segment)(struct kvm_vcpu *vcpu,
+                            struct kvm_segment *var, int seg);
+        void (*set_segment)(struct kvm_vcpu *vcpu,
+                            struct kvm_segment *var, int seg);
+        void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
+        void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
+        void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
+        void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
+        void (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4);
+        void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer);
+        void (*get_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
+        void (*set_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
+        void (*get_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
+        void (*set_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
+        unsigned long (*get_dr)(struct kvm_vcpu *vcpu, int dr);
+        void (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value,
+                       int *exception);
+        void (*cache_regs)(struct kvm_vcpu *vcpu);
+        void (*decache_regs)(struct kvm_vcpu *vcpu);
+        unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
+        void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
+
+        void (*tlb_flush)(struct kvm_vcpu *vcpu);
+        void (*inject_page_fault)(struct kvm_vcpu *vcpu,
+                                  unsigned long addr, u32 err_code);
+
+        void (*inject_gp)(struct kvm_vcpu *vcpu, unsigned err_code);
+
+        void (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run);
+        int (*handle_exit)(struct kvm_run *run, struct kvm_vcpu *vcpu);
+        void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
+        void (*patch_hypercall)(struct kvm_vcpu *vcpu,
+                                unsigned char *hypercall_addr);
+        int (*get_irq)(struct kvm_vcpu *vcpu);
+        void (*set_irq)(struct kvm_vcpu *vcpu, int vec);
+        void (*inject_pending_irq)(struct kvm_vcpu *vcpu);
+        void (*inject_pending_vectors)(struct kvm_vcpu *vcpu,
+                                       struct kvm_run *run);
+
+        int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
+};
+
 extern struct kvm_x86_ops *kvm_x86_ops;
 
 int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);