v4.19.13 snapshot.
diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h
new file mode 100644
index 0000000..16aaecc
--- /dev/null
+++ b/include/linux/irq_poll.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef IRQ_POLL_H
+#define IRQ_POLL_H
+
+struct irq_poll;
+typedef int (irq_poll_fn)(struct irq_poll *, int);
+
+struct irq_poll {
+ struct list_head list;
+ unsigned long state;
+ int weight;
+ irq_poll_fn *poll;
+};
+
+enum {
+ IRQ_POLL_F_SCHED = 0,
+ IRQ_POLL_F_DISABLE = 1,
+};
+
+extern void irq_poll_sched(struct irq_poll *);
+extern void irq_poll_init(struct irq_poll *, int, irq_poll_fn *);
+extern void irq_poll_complete(struct irq_poll *);
+extern void irq_poll_enable(struct irq_poll *);
+extern void irq_poll_disable(struct irq_poll *);
+
+#endif