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/*

 *    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 arrays@compaq.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/locks.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_MAX_PART    16

#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];

        struct pci_dev *pdev;

        int     ctlr_sig;

        int     log_drives;

        int     highest_lun;

        int     phys_drives;

        struct pci_dev *pci_dev;    /* NULL if EISA */

        __u32   board_id;

        char    *product_name;

        void *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;

        __u32   *cmd_pool_bits;

        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;

        // Disk structures we need to pass back

        struct gendisk gendisk;

        // Index by Minor Numbers

        struct hd_struct        hd[256];

        int                     sizes[256];

        int                     blocksizes[256];

        int                     hardsizes[256];

};

#endif

#endif /* CPQARRAY_H */