KVM: x86: Push potential exception error code on task switches

[safe/jmp/linux-2.6] / 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 d46e791..3602728 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -187,8 +187,6 @@ struct kvm_mmu_page {
        struct list_head link;
        struct hlist_node hash_link;
 
-       struct list_head oos_link;
-
        /*
         * The following two entries are used to key the shadow page in the
         * hash table.
@@ -224,14 +222,9 @@ struct kvm_pv_mmu_op_buffer {
 
 struct kvm_pio_request {
        unsigned long count;
-       int cur_count;
-       gva_t guest_gva;
        int in;
        int port;
        int size;
-       int string;
-       int down;
-       int rep;
 };
 
 /*
@@ -362,8 +355,8 @@ struct kvm_vcpu_arch {
        u64 *mce_banks;
 
        /* used for guest single stepping over the given code position */
-       u16 singlestep_cs;
        unsigned long singlestep_rip;
+
        /* fields used by HYPER-V emulation */
        u64 hv_vapic;
 };
@@ -389,6 +382,7 @@ struct kvm_arch {
        unsigned int n_free_mmu_pages;
        unsigned int n_requested_mmu_pages;
        unsigned int n_alloc_mmu_pages;
+       atomic_t invlpg_counter;
        struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES];
        /*
         * Hash table of struct kvm_mmu_page.
@@ -502,8 +496,7 @@ struct kvm_x86_ops {
        void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
        void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
        void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
-       int (*get_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long *dest);
-       int (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value);
+       void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
        void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
        unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
        void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
@@ -582,23 +575,14 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 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);
-void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
-                  unsigned long *rflags);
 
-unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
-                    unsigned long *rflags);
 void kvm_enable_efer_bits(u64);
 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
 
 struct x86_emulate_ctxt;
 
-int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in,
-                    int size, unsigned port);
-int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
-                          int size, unsigned long count, int down,
-                           gva_t address, int rep, unsigned port);
+int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port);
 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);
@@ -611,12 +595,15 @@ int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
 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);
 
-int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
+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);
 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);
@@ -644,8 +631,6 @@ int emulator_write_emulated(unsigned long addr,
                            unsigned int bytes,
                            struct kvm_vcpu *vcpu);
 
-unsigned long segment_base(u16 selector);
-
 void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
 void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
                       const u8 *new, int bytes,
@@ -718,23 +703,6 @@ static inline void kvm_load_ldt(u16 sel)
        asm("lldt %0" : : "rm"(sel));
 }
 
-static inline void kvm_get_idt(struct desc_ptr *table)
-{
-       asm("sidt %0" : "=m"(*table));
-}
-
-static inline void kvm_get_gdt(struct desc_ptr *table)
-{
-       asm("sgdt %0" : "=m"(*table));
-}
-
-static inline unsigned long kvm_read_tr_base(void)
-{
-       u16 tr;
-       asm("str %0" : "=g"(tr));
-       return segment_base(tr);
-}
-
 #ifdef CONFIG_X86_64
 static inline unsigned long read_msr(unsigned long msr)
 {
@@ -820,4 +788,6 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
 void kvm_define_shared_msr(unsigned index, u32 msr);
 void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
 
+bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
+
 #endif /* _ASM_X86_KVM_HOST_H */