Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / irqreturn.h

diff --git a/kernel/include/linux/irqreturn.h b/kernel/include/linux/irqreturn.h
new file mode 100644 (file)
index 0000000..e374e36
--- /dev/null
+++ b/kernel/include/linux/irqreturn.h
@@ -0,0 +1,19 @@
+#ifndef _LINUX_IRQRETURN_H
+#define _LINUX_IRQRETURN_H
+
+/**
+ * enum irqreturn
+ * @IRQ_NONE           interrupt was not from this device
+ * @IRQ_HANDLED                interrupt was handled by this device
+ * @IRQ_WAKE_THREAD    handler requests to wake the handler thread
+ */
+enum irqreturn {
+       IRQ_NONE                = (0 << 0),
+       IRQ_HANDLED             = (1 << 0),
+       IRQ_WAKE_THREAD         = (1 << 1),
+};
+
+typedef enum irqreturn irqreturn_t;
+#define IRQ_RETVAL(x)  ((x) ? IRQ_HANDLED : IRQ_NONE)
+
+#endif