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/* $Id: advansys.h,v 1.1.1.1 2001-09-10 07:44:30 simons Exp $ */

/*

 * advansys.h - Linux Host Driver for AdvanSys SCSI Adapters

 *

 * Copyright (c) 1995-1998 Advanced System Products, Inc.

 * All Rights Reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that redistributions of source

 * code retain the above copyright notice and this comment without

 * modification.

 *

 * There is an AdvanSys Linux WWW page at:

 *  http://www.advansys.com/linux.html

 *

 * The latest version of the AdvanSys driver is available at:

 *  ftp://ftp.advansys.com/pub/linux

 *

 * Please send questions, comments, bug reports to:

 *  bobf@advansys.com (Bob Frey)

 */

#ifndef _ADVANSYS_H

#define _ADVANSYS_H

/* Convert Linux Version, Patch-level, Sub-level to LINUX_VERSION_CODE. */

#define ASC_LINUX_VERSION(V, P, S)    (((V) * 65536) + ((P) * 256) + (S))

#ifndef LINUX_VERSION_CODE

#include <linux/version.h>

#endif /* LINUX_VERSION_CODE */

/*

 * Scsi_Host_Template function prototypes.

 */

int advansys_detect(Scsi_Host_Template *);

int advansys_release(struct Scsi_Host *);

const char *advansys_info(struct Scsi_Host *);

int advansys_command(Scsi_Cmnd *);

int advansys_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));

int advansys_abort(Scsi_Cmnd *);

#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89)

int advansys_reset(Scsi_Cmnd *);

#else /* version >= v1.3.89 */

int advansys_reset(Scsi_Cmnd *, unsigned int);

#endif /* version >= v1.3.89 */

#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0)

int advansys_biosparam(Disk *, int, int[]);

#else /* version >= v1.3.0 */

int advansys_biosparam(Disk *, kdev_t, int[]);

extern struct proc_dir_entry proc_scsi_advansys;

int advansys_proc_info(char *, char **, off_t, int, int, int);

#endif /* version >= v1.3.0 */

/* init/main.c setup function */

void advansys_setup(char *, int *);

/*

 * AdvanSys Host Driver Scsi_Host_Template (struct SHT) from hosts.h.

 */

#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0)

#define ADVANSYS { \

    NULL,                     /* struct SHT *next */ \

    NULL,                     /* int *usage_count */ \

    "advansys",               /* char *name */ \

    advansys_detect,          /* int (*detect)(struct SHT *) */ \

    advansys_release,         /* int (*release)(struct Scsi_Host *) */ \

    advansys_info,            /* const char *(*info)(struct Scsi_Host *) */ \

    advansys_command,         /* int (*command)(Scsi_Cmnd *) */ \

    advansys_queuecommand, \

            /* int (*queuecommand)(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)) */ \

    advansys_abort,           /* int (*abort)(Scsi_Cmnd *) */ \

    advansys_reset,           /* int (*reset)(Scsi_Cmnd *) */ \

    NULL,                     /* int (*slave_attach)(int, int) */ \

    advansys_biosparam,       /* int (* bios_param)(Disk *, int, int []) */ \

    /* \

     * The following fields are set per adapter in advansys_detect(). \

     */ \

    0,                        /* int can_queue */ \

    0,                        /* int this_id */ \

    0,                        /* short unsigned int sg_tablesize */ \

    0,                        /* short cmd_per_lun */ \

    0,                        /* unsigned char present */    \

    /* \

     * Because the driver may control an ISA adapter 'unchecked_isa_dma' \

     * must be set. The flag will be cleared in advansys_detect for non-ISA \

     * adapters. Refer to the comment in scsi_module.c for more information. \

     */ \

    1,                        /* unsigned unchecked_isa_dma:1 */ \

    /* \

     * All adapters controlled by this driver are capable of large \

     * scatter-gather lists. According to the mid-level SCSI documentation \

     * this obviates any performance gain provided by setting \

     * 'use_clustering'. But empirically while CPU utilization is increased \

     * by enabling clustering, I/O throughput increases as well. \

     */ \

    ENABLE_CLUSTERING,        /* unsigned use_clustering:1 */ \

}

#elif LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,75)

#define ADVANSYS { \

    NULL,                    /* struct SHT *next */ \

    NULL, \

        /* version < v2.1.23 long *usage_count */ \

        /* version >= v2.1.23 struct module * */ \

    &proc_scsi_advansys,     /* struct proc_dir_entry *proc_dir */ \

    advansys_proc_info,    \

        /* int (*proc_info)(char *, char **, off_t, int, int, int) */ \

    "advansys",              /* const char *name */ \

    advansys_detect,         /* int (*detect)(struct SHT *) */ \

    advansys_release,        /* int (*release)(struct Scsi_Host *) */ \

    advansys_info,           /* const char *(*info)(struct Scsi_Host *) */ \

    advansys_command,        /* int (*command)(Scsi_Cmnd *) */ \

    advansys_queuecommand, \

        /* int (*queuecommand)(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)) */ \

    advansys_abort,          /* int (*abort)(Scsi_Cmnd *) */ \

    advansys_reset, \

        /* version < v1.3.89 int (*reset)(Scsi_Cmnd *) */ \

        /* version >= v1.3.89 int (*reset)(Scsi_Cmnd *, unsigned int) */ \

    NULL,                    /* int (*slave_attach)(int, int) */ \

    advansys_biosparam,      /* int (* bios_param)(Disk *, kdev_t, int []) */ \

    /* \

     * The following fields are set per adapter in advansys_detect(). \

     */ \

    0,                        /* int can_queue */ \

    0,                        /* int this_id */ \

    0,                        /* short unsigned int sg_tablesize */ \

    0,                        /* short cmd_per_lun */ \

    0,                        /* unsigned char present */    \

    /* \

     * Because the driver may control an ISA adapter 'unchecked_isa_dma' \

     * must be set. The flag will be cleared in advansys_detect for non-ISA \

     * adapters. Refer to the comment in scsi_module.c for more information. \

     */ \

    1,                        /* unsigned unchecked_isa_dma:1 */ \

    /* \

     * All adapters controlled by this driver are capable of large \

     * scatter-gather lists. According to the mid-level SCSI documentation \

     * this obviates any performance gain provided by setting \

     * 'use_clustering'. But empirically while CPU utilization is increased \

     * by enabling clustering, I/O throughput increases as well. \

     */ \

    ENABLE_CLUSTERING,        /* unsigned use_clustering:1 */ \

}

#else /* version >= v2.1.75 */

#define ADVANSYS { \

    proc_dir:     &proc_scsi_advansys, \

    proc_info:    advansys_proc_info, \

    name:         "advansys", \

    detect:       advansys_detect, \

    release:      advansys_release, \

    info:         advansys_info, \

    command:      advansys_command, \

    queuecommand: advansys_queuecommand, \

    abort:        advansys_abort, \

    reset:        advansys_reset, \

    bios_param:    advansys_biosparam, \

    /* \

     * Because the driver may control an ISA adapter 'unchecked_isa_dma' \

     * must be set. The flag will be cleared in advansys_detect for non-ISA \

     * adapters. Refer to the comment in scsi_module.c for more information. \

     */ \

    unchecked_isa_dma: 1, \

    /* \

     * All adapters controlled by this driver are capable of large \

     * scatter-gather lists. According to the mid-level SCSI documentation \

     * this obviates any performance gain provided by setting \

     * 'use_clustering'. But empirically while CPU utilization is increased \

     * by enabling clustering, I/O throughput increases as well. \

     */ \

    use_clustering: ENABLE_CLUSTERING, \

}

#endif /* version >= v2.1.75 */

#endif /* _ADVANSYS_H */