diff --git a/include/linux/i2o-dev.h b/include/linux/i2o-dev.h
new file mode 100644
index 0000000..ef7f644
--- /dev/null
+++ b/include/linux/i2o-dev.h
@@ -0,0 +1,402 @@
+/*
+ * I2O user space accessible structures/APIs
+ *
+ * (c) Copyright 1999, 2000 Red Hat Software
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ *************************************************************************
+ *
+ * This header file defines the I2O APIs that are available to both
+ * the kernel and user level applications.  Kernel specific structures
+ * are defined in i2o_osm. OSMs should include _only_ i2o_osm.h which
+ * automatically includs this file.
+ *
+ */
+
+#ifndef _I2O_DEV_H
+#define _I2O_DEV_H
+
+/* How many controllers are we allowing */
+#define MAX_I2O_CONTROLLERS	32
+
+//#include <linux/ioctl.h>
+
+/*
+ * I2O Control IOCTLs and structures
+ */
+#define I2O_MAGIC_NUMBER	'i'
+#define I2OGETIOPS		_IOR(I2O_MAGIC_NUMBER,0,u8[MAX_I2O_CONTROLLERS])
+#define I2OHRTGET		_IOWR(I2O_MAGIC_NUMBER,1,struct i2o_cmd_hrtlct)
+#define I2OLCTGET		_IOWR(I2O_MAGIC_NUMBER,2,struct i2o_cmd_hrtlct)
+#define I2OPARMSET		_IOWR(I2O_MAGIC_NUMBER,3,struct i2o_cmd_psetget)
+#define I2OPARMGET		_IOWR(I2O_MAGIC_NUMBER,4,struct i2o_cmd_psetget)
+#define I2OSWDL 		_IOWR(I2O_MAGIC_NUMBER,5,struct i2o_sw_xfer)
+#define I2OSWUL 		_IOWR(I2O_MAGIC_NUMBER,6,struct i2o_sw_xfer)
+#define I2OSWDEL		_IOWR(I2O_MAGIC_NUMBER,7,struct i2o_sw_xfer)
+#define I2OVALIDATE		_IOR(I2O_MAGIC_NUMBER,8,u32)
+#define I2OHTML 		_IOWR(I2O_MAGIC_NUMBER,9,struct i2o_html)
+#define I2OEVTREG		_IOW(I2O_MAGIC_NUMBER,10,struct i2o_evt_id)
+#define I2OEVTGET		_IOR(I2O_MAGIC_NUMBER,11,struct i2o_evt_info)
+#define I2OPASSTHRU		_IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru)
+#define I2OPASSTHRU32		_IOR(I2O_MAGIC_NUMBER,12,struct i2o_cmd_passthru32)
+
+struct i2o_cmd_passthru32 {
+	unsigned int iop;	/* IOP unit number */
+	u32 msg;		/* message */
+};
+
+struct i2o_cmd_passthru {
+	unsigned int iop;	/* IOP unit number */
+	void __user *msg;	/* message */
+};
+
+struct i2o_cmd_hrtlct {
+	unsigned int iop;	/* IOP unit number */
+	void __user *resbuf;	/* Buffer for result */
+	unsigned int __user *reslen;	/* Buffer length in bytes */
+};
+
+struct i2o_cmd_psetget {
+	unsigned int iop;	/* IOP unit number */
+	unsigned int tid;	/* Target device TID */
+	void __user *opbuf;	/* Operation List buffer */
+	unsigned int oplen;	/* Operation List buffer length in bytes */
+	void __user *resbuf;	/* Result List buffer */
+	unsigned int __user *reslen;	/* Result List buffer length in bytes */
+};
+
+struct i2o_sw_xfer {
+	unsigned int iop;	/* IOP unit number */
+	unsigned char flags;	/* Flags field */
+	unsigned char sw_type;	/* Software type */
+	unsigned int sw_id;	/* Software ID */
+	void __user *buf;	/* Pointer to software buffer */
+	unsigned int __user *swlen;	/* Length of software data */
+	unsigned int __user *maxfrag;	/* Maximum fragment count */
+	unsigned int __user *curfrag;	/* Current fragment count */
+};
+
+struct i2o_html {
+	unsigned int iop;	/* IOP unit number */
+	unsigned int tid;	/* Target device ID */
+	unsigned int page;	/* HTML page */
+	void __user *resbuf;	/* Buffer for reply HTML page */
+	unsigned int __user *reslen;	/* Length in bytes of reply buffer */
+	void __user *qbuf;	/* Pointer to HTTP query string */
+	unsigned int qlen;	/* Length in bytes of query string buffer */
+};
+
+#define I2O_EVT_Q_LEN 32
+
+struct i2o_evt_id {
+	unsigned int iop;
+	unsigned int tid;
+	unsigned int evt_mask;
+};
+
+/* Event data size = frame size - message header + evt indicator */
+#define I2O_EVT_DATA_SIZE 88
+
+struct i2o_evt_info {
+	struct i2o_evt_id id;
+	unsigned char evt_data[I2O_EVT_DATA_SIZE];
+	unsigned int data_size;
+};
+
+struct i2o_evt_get {
+	struct i2o_evt_info info;
+	int pending;
+	int lost;
+};
+
+/**************************************************************************
+ * HRT related constants and structures
+ **************************************************************************/
+#define I2O_BUS_LOCAL	0
+#define I2O_BUS_ISA	1
+#define I2O_BUS_EISA	2
+#define I2O_BUS_MCA	3
+#define I2O_BUS_PCI	4
+#define I2O_BUS_PCMCIA	5
+#define I2O_BUS_NUBUS	6
+#define I2O_BUS_CARDBUS 7
+#define I2O_BUS_UNKNOWN 0x80
+
+#ifndef __KERNEL__
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned int u32;
+
+#endif				/* __KERNEL__ */
+
+typedef struct _i2o_pci_bus {
+	u8 PciFunctionNumber;
+	u8 PciDeviceNumber;
+	u8 PciBusNumber;
+	u8 reserved;
+	u16 PciVendorID;
+	u16 PciDeviceID;
+} i2o_pci_bus;
+
+typedef struct _i2o_local_bus {
+	u16 LbBaseIOPort;
+	u16 reserved;
+	u32 LbBaseMemoryAddress;
+} i2o_local_bus;
+
+typedef struct _i2o_isa_bus {
+	u16 IsaBaseIOPort;
+	u8 CSN;
+	u8 reserved;
+	u32 IsaBaseMemoryAddress;
+} i2o_isa_bus;
+
+typedef struct _i2o_eisa_bus_info {
+	u16 EisaBaseIOPort;
+	u8 reserved;
+	u8 EisaSlotNumber;
+	u32 EisaBaseMemoryAddress;
+} i2o_eisa_bus;
+
+typedef struct _i2o_mca_bus {
+	u16 McaBaseIOPort;
+	u8 reserved;
+	u8 McaSlotNumber;
+	u32 McaBaseMemoryAddress;
+} i2o_mca_bus;
+
+typedef struct _i2o_other_bus {
+	u16 BaseIOPort;
+	u16 reserved;
+	u32 BaseMemoryAddress;
+} i2o_other_bus;
+
+typedef struct _i2o_hrt_entry {
+	u32 adapter_id;
+	u32 parent_tid:12;
+	u32 state:4;
+	u32 bus_num:8;
+	u32 bus_type:8;
+	union {
+		i2o_pci_bus pci_bus;
+		i2o_local_bus local_bus;
+		i2o_isa_bus isa_bus;
+		i2o_eisa_bus eisa_bus;
+		i2o_mca_bus mca_bus;
+		i2o_other_bus other_bus;
+	} bus;
+} i2o_hrt_entry;
+
+typedef struct _i2o_hrt {
+	u16 num_entries;
+	u8 entry_len;
+	u8 hrt_version;
+	u32 change_ind;
+	i2o_hrt_entry hrt_entry[1];
+} i2o_hrt;
+
+typedef struct _i2o_lct_entry {
+	u32 entry_size:16;
+	u32 tid:12;
+	u32 reserved:4;
+	u32 change_ind;
+	u32 device_flags;
+	u32 class_id:12;
+	u32 version:4;
+	u32 vendor_id:16;
+	u32 sub_class;
+	u32 user_tid:12;
+	u32 parent_tid:12;
+	u32 bios_info:8;
+	u8 identity_tag[8];
+	u32 event_capabilities;
+} i2o_lct_entry;
+
+typedef struct _i2o_lct {
+	u32 table_size:16;
+	u32 boot_tid:12;
+	u32 lct_ver:4;
+	u32 iop_flags;
+	u32 change_ind;
+	i2o_lct_entry lct_entry[1];
+} i2o_lct;
+
+typedef struct _i2o_status_block {
+	u16 org_id;
+	u16 reserved;
+	u16 iop_id:12;
+	u16 reserved1:4;
+	u16 host_unit_id;
+	u16 segment_number:12;
+	u16 i2o_version:4;
+	u8 iop_state;
+	u8 msg_type;
+	u16 inbound_frame_size;
+	u8 init_code;
+	u8 reserved2;
+	u32 max_inbound_frames;
+	u32 cur_inbound_frames;
+	u32 max_outbound_frames;
+	char product_id[24];
+	u32 expected_lct_size;
+	u32 iop_capabilities;
+	u32 desired_mem_size;
+	u32 current_mem_size;
+	u32 current_mem_base;
+	u32 desired_io_size;
+	u32 current_io_size;
+	u32 current_io_base;
+	u32 reserved3:24;
+	u32 cmd_status:8;
+} i2o_status_block;
+
+/* Event indicator mask flags */
+#define I2O_EVT_IND_STATE_CHANGE		0x80000000
+#define I2O_EVT_IND_GENERAL_WARNING		0x40000000
+#define I2O_EVT_IND_CONFIGURATION_FLAG		0x20000000
+#define I2O_EVT_IND_LOCK_RELEASE		0x10000000
+#define I2O_EVT_IND_CAPABILITY_CHANGE		0x08000000
+#define I2O_EVT_IND_DEVICE_RESET		0x04000000
+#define I2O_EVT_IND_EVT_MASK_MODIFIED		0x02000000
+#define I2O_EVT_IND_FIELD_MODIFIED		0x01000000
+#define I2O_EVT_IND_VENDOR_EVT			0x00800000
+#define I2O_EVT_IND_DEVICE_STATE		0x00400000
+
+/* Executive event indicitors */
+#define I2O_EVT_IND_EXEC_RESOURCE_LIMITS	0x00000001
+#define I2O_EVT_IND_EXEC_CONNECTION_FAIL	0x00000002
+#define I2O_EVT_IND_EXEC_ADAPTER_FAULT		0x00000004
+#define I2O_EVT_IND_EXEC_POWER_FAIL		0x00000008
+#define I2O_EVT_IND_EXEC_RESET_PENDING		0x00000010
+#define I2O_EVT_IND_EXEC_RESET_IMMINENT 	0x00000020
+#define I2O_EVT_IND_EXEC_HW_FAIL		0x00000040
+#define I2O_EVT_IND_EXEC_XCT_CHANGE		0x00000080
+#define I2O_EVT_IND_EXEC_NEW_LCT_ENTRY		0x00000100
+#define I2O_EVT_IND_EXEC_MODIFIED_LCT		0x00000200
+#define I2O_EVT_IND_EXEC_DDM_AVAILABILITY	0x00000400
+
+/* Random Block Storage Event Indicators */
+#define I2O_EVT_IND_BSA_VOLUME_LOAD		0x00000001
+#define I2O_EVT_IND_BSA_VOLUME_UNLOAD		0x00000002
+#define I2O_EVT_IND_BSA_VOLUME_UNLOAD_REQ	0x00000004
+#define I2O_EVT_IND_BSA_CAPACITY_CHANGE 	0x00000008
+#define I2O_EVT_IND_BSA_SCSI_SMART		0x00000010
+
+/* Event data for generic events */
+#define I2O_EVT_STATE_CHANGE_NORMAL		0x00
+#define I2O_EVT_STATE_CHANGE_SUSPENDED		0x01
+#define I2O_EVT_STATE_CHANGE_RESTART		0x02
+#define I2O_EVT_STATE_CHANGE_NA_RECOVER 	0x03
+#define I2O_EVT_STATE_CHANGE_NA_NO_RECOVER	0x04
+#define I2O_EVT_STATE_CHANGE_QUIESCE_REQUEST	0x05
+#define I2O_EVT_STATE_CHANGE_FAILED		0x10
+#define I2O_EVT_STATE_CHANGE_FAULTED		0x11
+
+#define I2O_EVT_GEN_WARNING_NORMAL		0x00
+#define I2O_EVT_GEN_WARNING_ERROR_THRESHOLD	0x01
+#define I2O_EVT_GEN_WARNING_MEDIA_FAULT 	0x02
+
+#define I2O_EVT_CAPABILITY_OTHER		0x01
+#define I2O_EVT_CAPABILITY_CHANGED		0x02
+
+#define I2O_EVT_SENSOR_STATE_CHANGED		0x01
+
+/*
+ *	I2O classes / subclasses
+ */
+
+/*  Class ID and Code Assignments
+ *  (LCT.ClassID.Version field)
+ */
+#define I2O_CLASS_VERSION_10			0x00
+#define I2O_CLASS_VERSION_11			0x01
+
+/*  Class code names
+ *  (from v1.5 Table 6-1 Class Code Assignments.)
+ */
+
+#define I2O_CLASS_EXECUTIVE			0x000
+#define I2O_CLASS_DDM				0x001
+#define I2O_CLASS_RANDOM_BLOCK_STORAGE		0x010
+#define I2O_CLASS_SEQUENTIAL_STORAGE		0x011
+#define I2O_CLASS_LAN				0x020
+#define I2O_CLASS_WAN				0x030
+#define I2O_CLASS_FIBRE_CHANNEL_PORT		0x040
+#define I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL	0x041
+#define I2O_CLASS_SCSI_PERIPHERAL		0x051
+#define I2O_CLASS_ATE_PORT			0x060
+#define I2O_CLASS_ATE_PERIPHERAL		0x061
+#define I2O_CLASS_FLOPPY_CONTROLLER		0x070
+#define I2O_CLASS_FLOPPY_DEVICE 		0x071
+#define I2O_CLASS_BUS_ADAPTER_PORT		0x080
+#define I2O_CLASS_PEER_TRANSPORT_AGENT		0x090
+#define I2O_CLASS_PEER_TRANSPORT		0x091
+#define	I2O_CLASS_END				0xfff
+
+/*
+ *  Rest of 0x092 - 0x09f reserved for peer-to-peer classes
+ */
+
+#define I2O_CLASS_MATCH_ANYCLASS		0xffffffff
+
+/*
+ *  Subclasses
+ */
+
+#define I2O_SUBCLASS_i960			0x001
+#define I2O_SUBCLASS_HDM			0x020
+#define I2O_SUBCLASS_ISM			0x021
+
+/* Operation functions */
+
+#define I2O_PARAMS_FIELD_GET			0x0001
+#define I2O_PARAMS_LIST_GET			0x0002
+#define I2O_PARAMS_MORE_GET			0x0003
+#define I2O_PARAMS_SIZE_GET			0x0004
+#define I2O_PARAMS_TABLE_GET			0x0005
+#define I2O_PARAMS_FIELD_SET			0x0006
+#define I2O_PARAMS_LIST_SET			0x0007
+#define I2O_PARAMS_ROW_ADD			0x0008
+#define I2O_PARAMS_ROW_DELETE			0x0009
+#define I2O_PARAMS_TABLE_CLEAR			0x000A
+
+/*
+ * I2O serial number conventions / formats
+ * (circa v1.5)
+ */
+
+#define I2O_SNFORMAT_UNKNOWN			0
+#define I2O_SNFORMAT_BINARY			1
+#define I2O_SNFORMAT_ASCII			2
+#define I2O_SNFORMAT_UNICODE			3
+#define I2O_SNFORMAT_LAN48_MAC			4
+#define I2O_SNFORMAT_WAN			5
+
+/*
+ * Plus new in v2.0 (Yellowstone pdf doc)
+ */
+
+#define I2O_SNFORMAT_LAN64_MAC			6
+#define I2O_SNFORMAT_DDM			7
+#define I2O_SNFORMAT_IEEE_REG64 		8
+#define I2O_SNFORMAT_IEEE_REG128		9
+#define I2O_SNFORMAT_UNKNOWN2			0xff
+
+/*
+ *	I2O Get Status State values
+ */
+
+#define ADAPTER_STATE_INITIALIZING		0x01
+#define ADAPTER_STATE_RESET			0x02
+#define ADAPTER_STATE_HOLD			0x04
+#define ADAPTER_STATE_READY			0x05
+#define ADAPTER_STATE_OPERATIONAL		0x08
+#define ADAPTER_STATE_FAILED			0x10
+#define ADAPTER_STATE_FAULTED			0x11
+
+#endif				/* _I2O_DEV_H */