1 files changed, 17 insertions, 0 deletions

diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h
new file mode 100644
index 000000000000..29d8f9a6b3fc
--- /dev/null
+++ b/include/asm-x86/i8259.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_I8259_H__
+#define __ASM_I8259_H__
+
+extern unsigned int cached_irq_mask;
+
+#define __byte(x,y)             (((unsigned char *) &(y))[x])
+#define cached_master_mask      (__byte(0, cached_irq_mask))
+#define cached_slave_mask       (__byte(1, cached_irq_mask))
+
+extern spinlock_t i8259A_lock;
+
+extern void init_8259A(int auto_eoi);
+extern void enable_8259A_irq(unsigned int irq);
+extern void disable_8259A_irq(unsigned int irq);
+extern unsigned int startup_8259A_irq(unsigned int irq);
+
+#endif  /* __ASM_I8259_H__ */