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/* $Id: advansys.h,v 1.1 1999/04/26 05:54:08 tb 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 */
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