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authorDominik Dingel <dingel@linux.vnet.ibm.com>2015-03-12 13:53:49 +0100
committerCornelia Huck <cornelia.huck@de.ibm.com>2015-03-16 10:15:45 +0100
commitd0a073a186e4a81ae81435bd5b7286b657a69bfd (patch)
treeb43151d8f1f0ea52bdcc2ff82620a336e485a5ae /include/sysemu/kvm.h
parent7d45285fc9f75e0a85533ada8fd3aeda48d5d71a (diff)
kvm: encapsulate HAS_DEVICE for vm attrs
More and more virtual machine specifics between kvm and qemu will be transferred with vm attributes. So we encapsulate the common logic in a generic function. Additionally we need only to check during initialization if kvm supports virtual machine attributes. Cc: Paolo Bonzini <pbonzini@redhat.com> Suggested-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Message-Id: <1426164834-38648-2-git-send-email-jfrei@linux.vnet.ibm.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'include/sysemu/kvm.h')
-rw-r--r--include/sysemu/kvm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 3792463080..197e6c0214 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -225,6 +225,18 @@ int kvm_vcpu_ioctl(CPUState *cpu, int type, ...);
int kvm_device_ioctl(int fd, int type, ...);
/**
+ * kvm_vm_check_attr - check for existence of a specific vm attribute
+ * @s: The KVMState pointer
+ * @group: the group
+ * @attr: the attribute of that group to query for
+ *
+ * Returns: 1 if the attribute exists
+ * 0 if the attribute either does not exist or if the vm device
+ * interface is unavailable
+ */
+int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
+
+/**
* kvm_create_device - create a KVM device for the device control API
* @KVMState: The KVMState pointer
* @type: The KVM device type (see Documentation/virtual/kvm/devices in the