diff --git a/libc/kernel/common/linux/irq.h b/libc/kernel/common/linux/irq.h
new file mode 100644
index 0000000..38f5db7
--- /dev/null
+++ b/libc/kernel/common/linux/irq.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_IRQ_H
+#define _LINUX_IRQ_H
+
+#include <linux/smp.h>
+
+#include <linux/linkage.h>
+#include <linux/cache.h>
+#include <linux/spinlock.h>
+#include <linux/cpumask.h>
+#include <linux/irqreturn.h>
+
+#include <asm/irq.h>
+#include <asm/ptrace.h>
+
+#define IRQ_TYPE_NONE 0x00000000  
+#define IRQ_TYPE_EDGE_RISING 0x00000001  
+#define IRQ_TYPE_EDGE_FALLING 0x00000002  
+#define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH 0x00000004  
+#define IRQ_TYPE_LEVEL_LOW 0x00000008  
+#define IRQ_TYPE_SENSE_MASK 0x0000000f  
+#define IRQ_TYPE_PROBE 0x00000010  
+
+#define IRQ_INPROGRESS 0x00010000  
+#define IRQ_DISABLED 0x00020000  
+#define IRQ_PENDING 0x00040000  
+#define IRQ_REPLAY 0x00080000  
+#define IRQ_AUTODETECT 0x00100000  
+#define IRQ_WAITING 0x00200000  
+#define IRQ_LEVEL 0x00400000  
+#define IRQ_MASKED 0x00800000  
+#define IRQ_PER_CPU 0x01000000  
+#define CHECK_IRQ_PER_CPU(var) 0
+
+#define IRQ_NOPROBE 0x02000000  
+#define IRQ_NOREQUEST 0x04000000  
+#define IRQ_NOAUTOEN 0x08000000  
+#define IRQ_DELAYED_DISABLE 0x10000000  
+#define IRQ_WAKEUP 0x20000000  
+
+struct proc_dir_entry;
+
+struct irq_chip {
+ const char *name;
+ unsigned int (*startup)(unsigned int irq);
+ void (*shutdown)(unsigned int irq);
+ void (*enable)(unsigned int irq);
+ void (*disable)(unsigned int irq);
+
+ void (*ack)(unsigned int irq);
+ void (*mask)(unsigned int irq);
+ void (*mask_ack)(unsigned int irq);
+ void (*unmask)(unsigned int irq);
+ void (*eoi)(unsigned int irq);
+
+ void (*end)(unsigned int irq);
+ void (*set_affinity)(unsigned int irq, cpumask_t dest);
+ int (*retrigger)(unsigned int irq);
+ int (*set_type)(unsigned int irq, unsigned int flow_type);
+ int (*set_wake)(unsigned int irq, unsigned int on);
+
+ const char *typename;
+};
+
+struct irq_desc {
+ void fastcall (*handle_irq)(unsigned int irq,
+ struct irq_desc *desc,
+ struct pt_regs *regs);
+ struct irq_chip *chip;
+ void *handler_data;
+ void *chip_data;
+ struct irqaction *action;
+ unsigned int status;
+
+ unsigned int depth;
+ unsigned int wake_depth;
+ unsigned int irq_count;
+ unsigned int irqs_unhandled;
+ spinlock_t lock;
+} ____cacheline_aligned;
+
+#define hw_interrupt_type irq_chip
+typedef struct irq_chip hw_irq_controller;
+#define no_irq_type no_irq_chip
+typedef struct irq_desc irq_desc_t;
+
+#include <asm/hw_irq.h>
+
+#endif