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diff --git a/kitten/include/lwk/resource.h b/kitten/include/lwk/resource.h
new file mode 100644
index 0000000..740e230
--- /dev/null
+++ b/kitten/include/lwk/resource.h
@@ -0,0 +1,106 @@
+/**
+ * Derived from Linux include/linux/ioport.h. 
+ * Original comment at head of ioport.h:
+ *
+ * ioport.h	Definitions of routines for detecting, reserving and
+ *		allocating system resources.
+ *
+ * Authors:	Linus Torvalds
+ */
+
+#ifndef _LWK_RESOURCE_H
+#define _LWK_RESOURCE_H
+
+/**
+ * Resources are tree-like, allowing
+ * nesting etc..
+ */
+struct resource {
+	const char *name;
+	unsigned long start, end;
+	unsigned long flags;
+	struct resource *parent, *sibling, *child;
+};
+
+/**
+ * PC/ISA/whatever - the normal PC address spaces: IO and memory
+ */
+extern struct resource ioport_resource;
+extern struct resource iomem_resource;
+
+/**
+ * IO resources have these defined flags.
+ */
+#define IORESOURCE_BITS		0x000000ff	/* Bus-specific bits */
+
+#define IORESOURCE_IO		0x00000100	/* Resource type */
+#define IORESOURCE_MEM		0x00000200
+#define IORESOURCE_IRQ		0x00000400
+#define IORESOURCE_DMA		0x00000800
+
+#define IORESOURCE_PREFETCH	0x00001000	/* No side effects */
+#define IORESOURCE_READONLY	0x00002000
+#define IORESOURCE_CACHEABLE	0x00004000
+#define IORESOURCE_RANGELENGTH	0x00008000
+#define IORESOURCE_SHADOWABLE	0x00010000
+#define IORESOURCE_BUS_HAS_VGA	0x00080000
+
+#define IORESOURCE_DISABLED	0x10000000
+#define IORESOURCE_UNSET	0x20000000
+#define IORESOURCE_AUTO		0x40000000
+#define IORESOURCE_BUSY		0x80000000	/* Driver has marked this resource busy */
+
+/* ISA PnP IRQ specific bits (IORESOURCE_BITS) */
+#define IORESOURCE_IRQ_HIGHEDGE		(1<<0)
+#define IORESOURCE_IRQ_LOWEDGE		(1<<1)
+#define IORESOURCE_IRQ_HIGHLEVEL	(1<<2)
+#define IORESOURCE_IRQ_LOWLEVEL		(1<<3)
+
+/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
+#define IORESOURCE_DMA_TYPE_MASK	(3<<0)
+#define IORESOURCE_DMA_8BIT		(0<<0)
+#define IORESOURCE_DMA_8AND16BIT	(1<<0)
+#define IORESOURCE_DMA_16BIT		(2<<0)
+
+#define IORESOURCE_DMA_MASTER		(1<<2)
+#define IORESOURCE_DMA_BYTE		(1<<3)
+#define IORESOURCE_DMA_WORD		(1<<4)
+
+#define IORESOURCE_DMA_SPEED_MASK	(3<<6)
+#define IORESOURCE_DMA_COMPATIBLE	(0<<6)
+#define IORESOURCE_DMA_TYPEA		(1<<6)
+#define IORESOURCE_DMA_TYPEB		(2<<6)
+#define IORESOURCE_DMA_TYPEF		(3<<6)
+
+/* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */
+#define IORESOURCE_MEM_WRITEABLE	(1<<0)	/* dup: IORESOURCE_READONLY */
+#define IORESOURCE_MEM_CACHEABLE	(1<<1)	/* dup: IORESOURCE_CACHEABLE */
+#define IORESOURCE_MEM_RANGELENGTH	(1<<2)	/* dup: IORESOURCE_RANGELENGTH */
+#define IORESOURCE_MEM_TYPE_MASK	(3<<3)
+#define IORESOURCE_MEM_8BIT		(0<<3)
+#define IORESOURCE_MEM_16BIT		(1<<3)
+#define IORESOURCE_MEM_8AND16BIT	(2<<3)
+#define IORESOURCE_MEM_32BIT		(3<<3)
+#define IORESOURCE_MEM_SHADOWABLE	(1<<5)	/* dup: IORESOURCE_SHADOWABLE */
+#define IORESOURCE_MEM_EXPANSIONROM	(1<<6)
+
+/* PCI ROM control bits (IORESOURCE_BITS) */
+#define IORESOURCE_ROM_ENABLE		(1<<0)	/* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */
+#define IORESOURCE_ROM_SHADOW		(1<<1)	/* ROM is copy at C000:0 */
+#define IORESOURCE_ROM_COPY		(1<<2)	/* ROM is alloc'd copy, resource field overlaid */
+
+extern int request_resource(struct resource *root, struct resource *new);
+extern struct resource * ____request_resource(struct resource *root, struct resource *new);
+extern int release_resource(struct resource *new);
+extern int insert_resource(struct resource *parent, struct resource *new);
+extern int allocate_resource(struct resource *root, struct resource *new,
+			     unsigned long size,
+			     unsigned long min, unsigned long max,
+			     unsigned long align,
+			     void (*alignf)(void *, struct resource *,
+					    unsigned long, unsigned long),
+			     void *alignf_data);
+extern int adjust_resource(struct resource *res, unsigned long start,
+		           unsigned long size);
+
+#endif