cpqarray.h

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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 [email protected]
 *
 *    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 */