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Diffstat (limited to 'arch/x86/kvm/irq.h')
-rw-r--r--arch/x86/kvm/irq.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 9f593188129..2d03568e949 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -38,14 +38,11 @@
struct kvm;
struct kvm_vcpu;
-typedef void irq_request_func(void *opaque, int level);
-
struct kvm_kpic_state {
u8 last_irr; /* edge detection */
u8 irr; /* interrupt request register */
u8 imr; /* interrupt mask register */
u8 isr; /* interrupt service register */
- u8 isr_ack; /* interrupt ack detection */
u8 priority_add; /* highest irq priority */
u8 irq_base;
u8 read_reg_select;
@@ -58,6 +55,7 @@ struct kvm_kpic_state {
u8 init4; /* true if 4 byte init */
u8 elcr; /* PIIX edge/trigger selection */
u8 elcr_mask;
+ u8 isr_ack; /* interrupt ack detection */
struct kvm_pic *pics_state;
};
@@ -67,17 +65,18 @@ struct kvm_pic {
unsigned pending_acks;
struct kvm *kvm;
struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */
- irq_request_func *irq_request;
- void *irq_request_opaque;
int output; /* intr from master PIC */
- struct kvm_io_device dev;
+ struct kvm_io_device dev_master;
+ struct kvm_io_device dev_slave;
+ struct kvm_io_device dev_eclr;
void (*ack_notifier)(void *opaque, int irq);
+ unsigned long irq_states[PIC_NUM_PINS];
};
struct kvm_pic *kvm_create_pic(struct kvm *kvm);
+void kvm_destroy_pic(struct kvm *kvm);
int kvm_pic_read_irq(struct kvm *kvm);
void kvm_pic_update_irq(struct kvm_pic *s);
-void kvm_pic_clear_isr_ack(struct kvm *kvm);
static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
{
@@ -86,7 +85,11 @@ static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
static inline int irqchip_in_kernel(struct kvm *kvm)
{
- return pic_irqchip(kvm) != NULL;
+ int ret;
+
+ ret = (pic_irqchip(kvm) != NULL);
+ smp_rmb();
+ return ret;
}
void kvm_pic_reset(struct kvm_kpic_state *s);
@@ -98,7 +101,6 @@ void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu);
void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu);
void __kvm_migrate_timers(struct kvm_vcpu *vcpu);
-int pit_has_pending_timer(struct kvm_vcpu *vcpu);
int apic_has_pending_timer(struct kvm_vcpu *vcpu);
#endif