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[RFC,13/17] KVM: introduce kvm_arch functions for IRQ bypass

Message ID 1435843047-6327-14-git-send-email-eric.auger@linaro.org
State New
Headers show

Commit Message

Auger Eric July 2, 2015, 1:17 p.m. UTC 
This patch introduces
- kvm_arch_add_producer
- kvm_arch_del_producer
- kvm_arch_stop_consumer
- kvm_arch_resume_consumer

They make possible to specialize the KVM IRQ bypass consumer.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
---
 include/linux/kvm_host.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
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Patch

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 9564fd7..8e981e9 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -24,6 +24,7 @@ 
 #include <linux/err.h>
 #include <linux/irqflags.h>
 #include <linux/context_tracking.h>
+#include <linux/irqbypass.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -1133,5 +1134,31 @@  static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val)
 {
 }
 #endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */
+
+#ifdef CONFIG_IRQ_BYPASS_MANAGER
+
+void kvm_arch_add_producer(struct irq_bypass_consumer *,
+			   struct irq_bypass_producer *);
+void kvm_arch_del_producer(struct irq_bypass_consumer *,
+			   struct irq_bypass_producer *);
+void kvm_arch_stop_consumer(struct irq_bypass_consumer *);
+void kvm_arch_resume_consumer(struct irq_bypass_consumer *);
+
+#else
+void kvm_arch_add_producer(struct irq_bypass_consumer *,
+			   struct irq_bypass_producer *)
+{
+}
+void kvm_arch_del_producer(struct irq_bypass_consumer *,
+			   struct irq_bypass_producer *)
+{
+}
+void kvm_arch_stop_consumer(struct irq_bypass_consumer *)
+{
+}
+void kvm_arch_resume_consumer(struct irq_bypass_consumer *)
+{
+}
+#endif /* CONFIG_IRQ_BYPASS_MANAGER */
 #endif