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authorJason Wang <jasowang@redhat.com>2015-11-06 16:02:46 +0800
committerMichael S. Tsirkin <mst@redhat.com>2015-11-12 15:49:32 +0200
commit351082238d5d45d6836ec94eabe3fe7d72b36f46 (patch)
tree85e6958eb2c0ba9a38fe19ac953e09d563a0d7ab /include/sysemu/kvm.h
parentb8aecea23aaccf39da54c77ef248f5fa50dcfbc1 (diff)
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KVM: add support for any length io eventfd
Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/sysemu/kvm.h')
-rw-r--r--include/sysemu/kvm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 4ac6176879..b31f325fa2 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -53,6 +53,7 @@ extern bool kvm_gsi_routing_allowed;
extern bool kvm_gsi_direct_mapping;
extern bool kvm_readonly_mem_allowed;
extern bool kvm_direct_msi_allowed;
+extern bool kvm_ioeventfd_any_length_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
#define kvm_enabled() (kvm_allowed)
@@ -153,6 +154,12 @@ extern bool kvm_direct_msi_allowed;
*/
#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
+/**
+ * kvm_ioeventfd_any_length_enabled:
+ * Returns: true if KVM allows any length io eventfd.
+ */
+#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
+
#else
#define kvm_enabled() (0)
#define kvm_irqchip_in_kernel() (false)
@@ -166,6 +173,7 @@ extern bool kvm_direct_msi_allowed;
#define kvm_gsi_direct_mapping() (false)
#define kvm_readonly_mem_enabled() (false)
#define kvm_direct_msi_enabled() (false)
+#define kvm_ioeventfd_any_length_enabled() (false)
#endif
struct kvm_run;