1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 93e809c251ef..7b28cf949d55 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -492,6 +492,8 @@ int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
 int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
                     unsigned long value);
 
+int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
+
 void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
 void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0);
 void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0);
@@ -657,4 +659,11 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
 #define RMODE_TSS_SIZE                                                  \
         (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
 
+enum {
+        TASK_SWITCH_CALL = 0,
+        TASK_SWITCH_IRET = 1,
+        TASK_SWITCH_JMP = 2,
+        TASK_SWITCH_GATE = 3,
+};
+
 #endif