diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h
new file mode 100644
index 0000000..be73e9d
--- /dev/null
+++ b/drivers/block/cpqarray.h
@@ -0,0 +1,126 @@
+/*
+ *    Disk Array driver for Compaq SMART2 Controllers
+ *    Copyright 1998 Compaq Computer Corporation
+ *
+ *    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 program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ *    NON INFRINGEMENT.  See the GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *    Questions/Comments/Bugfixes to iss_storagedev@hp.com
+ *
+ *    If you want to make changes, improve or add functionality to this
+ *    driver, you'll probably need the Compaq Array Controller Interface
+ *    Specificiation (Document number ECG086/1198)
+ */
+#ifndef CPQARRAY_H
+#define CPQARRAY_H
+
+#ifdef __KERNEL__
+#include <linux/blkdev.h>
+#include <linux/slab.h>
+#include <linux/proc_fs.h>
+#include <linux/timer.h>
+#endif
+
+#include "ida_cmd.h"
+
+#define IO_OK		0
+#define IO_ERROR	1
+#define NWD		16
+#define NWD_SHIFT	4
+
+#define IDA_TIMER	(5*HZ)
+#define IDA_TIMEOUT	(10*HZ)
+
+#define MISC_NONFATAL_WARN	0x01
+
+typedef struct {
+	unsigned blk_size;
+	unsigned nr_blks;
+	unsigned cylinders;
+	unsigned heads;
+	unsigned sectors;
+	int usage_count;
+} drv_info_t;
+
+#ifdef __KERNEL__
+
+struct ctlr_info;
+typedef struct ctlr_info ctlr_info_t;
+
+struct access_method {
+	void (*submit_command)(ctlr_info_t *h, cmdlist_t *c);
+	void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
+	unsigned long (*fifo_full)(ctlr_info_t *h);
+	unsigned long (*intr_pending)(ctlr_info_t *h);
+	unsigned long (*command_completed)(ctlr_info_t *h);
+};
+
+struct board_type {
+	__u32	board_id;
+	char	*product_name;
+	struct access_method *access;
+};
+
+struct ctlr_info {
+	int	ctlr;
+	char	devname[8];
+	__u32	log_drv_map;
+	__u32	drv_assign_map;
+	__u32	drv_spare_map;
+	__u32	mp_failed_drv_map;
+
+	char	firm_rev[4];
+	int	ctlr_sig;
+
+	int	log_drives;
+	int	phys_drives;
+
+	struct pci_dev *pci_dev;    /* NULL if EISA */
+	__u32	board_id;
+	char	*product_name;	
+
+	void __iomem *vaddr;
+	unsigned long paddr;
+	unsigned long io_mem_addr;
+	unsigned long io_mem_length;
+	int	intr;
+	int	usage_count;
+	drv_info_t	drv[NWD];
+	struct proc_dir_entry *proc;
+
+	struct access_method access;
+
+	cmdlist_t *reqQ;
+	cmdlist_t *cmpQ;
+	cmdlist_t *cmd_pool;
+	dma_addr_t cmd_pool_dhandle;
+	unsigned long *cmd_pool_bits;
+	struct request_queue *queue;
+	spinlock_t lock;
+
+	unsigned int Qdepth;
+	unsigned int maxQsinceinit;
+
+	unsigned int nr_requests;
+	unsigned int nr_allocs;
+	unsigned int nr_frees;
+	struct timer_list timer;
+	unsigned int misc_tflags;
+};
+
+#define IDA_LOCK(i)	(&hba[i]->lock)
+
+#endif
+
+#endif /* CPQARRAY_H */