1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/libdha/cpu_flush.c b/contrib/libdha/cpu_flush.c
new file mode 100644
index 000000000..9186f89e8
--- /dev/null
+++ b/contrib/libdha/cpu_flush.c
@@ -0,0 +1,23 @@
+/* CPU flush support */
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include "libdha.h"
+#include "kernelhelper/dhahelper.h"
+
+void	cpu_flush(void *va,unsigned long length)
+{
+  int retval;
+  int libdha_fd=-1;
+  if( libdha_fd == -1) libdha_fd = open("/dev/dhahelper",O_RDWR);
+  if (libdha_fd > 0)
+  {
+	dhahelper_cpu_flush_t _l2;
+	_l2.va = va;
+	_l2.length = length;
+	retval = ioctl(libdha_fd, DHAHELPER_CPU_FLUSH, &_l2);
+	close(libdha_fd);
+  }
+}