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Diffstat (limited to 'arch/x86/kvm/irq.h')
-rw-r--r--arch/x86/kvm/irq.h35
1 files changed, 25 insertions, 10 deletions
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 76d46b2f41dd..5e62c1f79ce6 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -18,6 +18,8 @@
#include <kvm/iodev.h>
#include "lapic.h"
+#ifdef CONFIG_KVM_IOAPIC
+
#define PIC_NUM_PINS 16
#define SELECT_PIC(irq) \
((irq) < 8 ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE)
@@ -63,17 +65,15 @@ int kvm_pic_init(struct kvm *kvm);
void kvm_pic_destroy(struct kvm *kvm);
int kvm_pic_read_irq(struct kvm *kvm);
void kvm_pic_update_irq(struct kvm_pic *s);
+int kvm_pic_set_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm,
+ int irq_source_id, int level, bool line_status);
-static inline int irqchip_split(struct kvm *kvm)
-{
- int mode = kvm->arch.irqchip_mode;
+int kvm_setup_default_ioapic_and_pic_routing(struct kvm *kvm);
- /* Matches smp_wmb() when setting irqchip_mode */
- smp_rmb();
- return mode == KVM_IRQCHIP_SPLIT;
-}
+int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip);
+int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip);
-static inline int irqchip_kernel(struct kvm *kvm)
+static inline int irqchip_full(struct kvm *kvm)
{
int mode = kvm->arch.irqchip_mode;
@@ -81,10 +81,26 @@ static inline int irqchip_kernel(struct kvm *kvm)
smp_rmb();
return mode == KVM_IRQCHIP_KERNEL;
}
+#else /* CONFIG_KVM_IOAPIC */
+static __always_inline int irqchip_full(struct kvm *kvm)
+{
+ return false;
+}
+#endif
static inline int pic_in_kernel(struct kvm *kvm)
{
- return irqchip_kernel(kvm);
+ return irqchip_full(kvm);
+}
+
+
+static inline int irqchip_split(struct kvm *kvm)
+{
+ int mode = kvm->arch.irqchip_mode;
+
+ /* Matches smp_wmb() when setting irqchip_mode */
+ smp_rmb();
+ return mode == KVM_IRQCHIP_SPLIT;
}
static inline int irqchip_in_kernel(struct kvm *kvm)
@@ -105,7 +121,6 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu);
int apic_has_pending_timer(struct kvm_vcpu *vcpu);
-int kvm_setup_default_irq_routing(struct kvm *kvm);
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
struct kvm_lapic_irq *irq,
struct dest_map *dest_map);