Merge branch 'dde' into upstream-merged

1 files changed, 23 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/htirq.h b/libdde_linux26/contrib/include/linux/htirq.h
new file mode 100644
index 00000000..c96ea467
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/htirq.h
@@ -0,0 +1,23 @@
+#ifndef LINUX_HTIRQ_H
+#define LINUX_HTIRQ_H
+
+struct ht_irq_msg {
+	u32	address_lo;	/* low 32 bits of the ht irq message */
+	u32	address_hi;	/* high 32 bits of the it irq message */
+};
+
+/* Helper functions.. */
+void fetch_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
+void write_ht_irq_msg(unsigned int irq, struct ht_irq_msg *msg);
+void mask_ht_irq(unsigned int irq);
+void unmask_ht_irq(unsigned int irq);
+
+/* The arch hook for getting things started */
+int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev);
+
+/* For drivers of buggy hardware */
+typedef void (ht_irq_update_t)(struct pci_dev *dev, int irq,
+			       struct ht_irq_msg *msg);
+int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update);
+
+#endif /* LINUX_HTIRQ_H */