KVM: x86 emulator: drop vcpu argument from pio callbacks

Making the emulator caller agnostic.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 12 insertions, 6 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 274652ae6d52..e9040a9b25c6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4060,9 +4060,12 @@ static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
 }
 
 
-static int emulator_pio_in_emulated(int size, unsigned short port, void *val,
-                             unsigned int count, struct kvm_vcpu *vcpu)
+static int emulator_pio_in_emulated(struct x86_emulate_ctxt *ctxt,
+                                    int size, unsigned short port, void *val,
+                                    unsigned int count)
 {
+        struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
+
         if (vcpu->arch.pio.count)
                 goto data_avail;
 
@@ -4090,10 +4093,12 @@ static int emulator_pio_in_emulated(int size, unsigned short port, void *val,
         return 0;
 }
 
-static int emulator_pio_out_emulated(int size, unsigned short port,
-                              const void *val, unsigned int count,
-                              struct kvm_vcpu *vcpu)
+static int emulator_pio_out_emulated(struct x86_emulate_ctxt *ctxt,
+                                     int size, unsigned short port,
+                                     const void *val, unsigned int count)
 {
+        struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
+
         trace_kvm_pio(1, port, size, count);
 
         vcpu->arch.pio.port = port;
@@ -4614,7 +4619,8 @@ EXPORT_SYMBOL_GPL(x86_emulate_instruction);
 int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port)
 {
         unsigned long val = kvm_register_read(vcpu, VCPU_REGS_RAX);
-        int ret = emulator_pio_out_emulated(size, port, &val, 1, vcpu);
+        int ret = emulator_pio_out_emulated(&vcpu->arch.emulate_ctxt,
+                                            size, port, &val, 1);
         /* do not return to emulator after return from userspace */
         vcpu->arch.pio.count = 0;
         return ret;