KVM: Export PIC reset for kernel device reset

Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

2 files changed, 3 insertions, 4 deletions

diff --git a/drivers/kvm/i8259.c b/drivers/kvm/i8259.c
index a679157bc59..f0dc2eeadf0 100644
--- a/drivers/kvm/i8259.c
+++ b/drivers/kvm/i8259.c
@@ -181,10 +181,8 @@ int kvm_pic_read_irq(struct kvm_pic *s)
         return intno;
 }
 
-static void pic_reset(void *opaque)
+void kvm_pic_reset(struct kvm_kpic_state *s)
 {
-        struct kvm_kpic_state *s = opaque;
-
         s->last_irr = 0;
         s->irr = 0;
         s->imr = 0;
@@ -209,7 +207,7 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val)
         addr &= 1;
         if (addr == 0) {
                 if (val & 0x10) {
-                        pic_reset(s);   /* init */
+                        kvm_pic_reset(s);       /* init */
                         /*
                          * deassert a pending interrupt
                          */
diff --git a/drivers/kvm/irq.h b/drivers/kvm/irq.h
index 508280ea6fc..e08ae1002bd 100644
--- a/drivers/kvm/irq.h
+++ b/drivers/kvm/irq.h
@@ -139,6 +139,7 @@ int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu);
 int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu);
 int kvm_create_lapic(struct kvm_vcpu *vcpu);
 void kvm_lapic_reset(struct kvm_vcpu *vcpu);
+void kvm_pic_reset(struct kvm_kpic_state *s);
 void kvm_free_lapic(struct kvm_vcpu *vcpu);
 u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu);
 void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8);