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jcastillo |
/* $Id: advansys.h,v 1.1 2005-12-20 10:17:45 jcastillo Exp $ */
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/*
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* advansys.h - Linux Host Driver for AdvanSys SCSI Adapters
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*
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* Copyright (c) 1995-1998 Advanced System Products, Inc.
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that redistributions of source
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* code retain the above copyright notice and this comment without
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* modification.
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*
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* There is an AdvanSys Linux WWW page at:
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* http://www.advansys.com/linux.html
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*
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* The latest version of the AdvanSys driver is available at:
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* ftp://ftp.advansys.com/pub/linux
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*
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* Please send questions, comments, bug reports to:
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* bobf@advansys.com (Bob Frey)
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*/
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#ifndef _ADVANSYS_H
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#define _ADVANSYS_H
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/* Convert Linux Version, Patch-level, Sub-level to LINUX_VERSION_CODE. */
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#define ASC_LINUX_VERSION(V, P, S) (((V) * 65536) + ((P) * 256) + (S))
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#ifndef LINUX_VERSION_CODE
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#include <linux/version.h>
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#endif /* LINUX_VERSION_CODE */
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/*
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* Scsi_Host_Template function prototypes.
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*/
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int advansys_detect(Scsi_Host_Template *);
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int advansys_release(struct Scsi_Host *);
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const char *advansys_info(struct Scsi_Host *);
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int advansys_command(Scsi_Cmnd *);
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int advansys_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));
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int advansys_abort(Scsi_Cmnd *);
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#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,89)
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int advansys_reset(Scsi_Cmnd *);
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#else /* version >= v1.3.89 */
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int advansys_reset(Scsi_Cmnd *, unsigned int);
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#endif /* version >= v1.3.89 */
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#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0)
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int advansys_biosparam(Disk *, int, int[]);
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#else /* version >= v1.3.0 */
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int advansys_biosparam(Disk *, kdev_t, int[]);
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extern struct proc_dir_entry proc_scsi_advansys;
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int advansys_proc_info(char *, char **, off_t, int, int, int);
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#endif /* version >= v1.3.0 */
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/* init/main.c setup function */
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void advansys_setup(char *, int *);
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/*
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* AdvanSys Host Driver Scsi_Host_Template (struct SHT) from hosts.h.
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*/
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#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(1,3,0)
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#define ADVANSYS { \
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NULL, /* struct SHT *next */ \
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NULL, /* int *usage_count */ \
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"advansys", /* char *name */ \
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advansys_detect, /* int (*detect)(struct SHT *) */ \
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advansys_release, /* int (*release)(struct Scsi_Host *) */ \
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advansys_info, /* const char *(*info)(struct Scsi_Host *) */ \
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advansys_command, /* int (*command)(Scsi_Cmnd *) */ \
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advansys_queuecommand, \
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/* int (*queuecommand)(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)) */ \
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advansys_abort, /* int (*abort)(Scsi_Cmnd *) */ \
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advansys_reset, /* int (*reset)(Scsi_Cmnd *) */ \
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NULL, /* int (*slave_attach)(int, int) */ \
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advansys_biosparam, /* int (* bios_param)(Disk *, int, int []) */ \
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/* \
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* The following fields are set per adapter in advansys_detect(). \
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*/ \
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0, /* int can_queue */ \
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0, /* int this_id */ \
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0, /* short unsigned int sg_tablesize */ \
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0, /* short cmd_per_lun */ \
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0, /* unsigned char present */ \
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/* \
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* Because the driver may control an ISA adapter 'unchecked_isa_dma' \
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* must be set. The flag will be cleared in advansys_detect for non-ISA \
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* adapters. Refer to the comment in scsi_module.c for more information. \
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*/ \
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1, /* unsigned unchecked_isa_dma:1 */ \
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/* \
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* All adapters controlled by this driver are capable of large \
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* scatter-gather lists. According to the mid-level SCSI documentation \
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* this obviates any performance gain provided by setting \
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* 'use_clustering'. But empirically while CPU utilization is increased \
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* by enabling clustering, I/O throughput increases as well. \
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*/ \
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ENABLE_CLUSTERING, /* unsigned use_clustering:1 */ \
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}
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#elif LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,1,75)
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#define ADVANSYS { \
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NULL, /* struct SHT *next */ \
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NULL, \
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/* version < v2.1.23 long *usage_count */ \
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/* version >= v2.1.23 struct module * */ \
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&proc_scsi_advansys, /* struct proc_dir_entry *proc_dir */ \
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advansys_proc_info, \
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/* int (*proc_info)(char *, char **, off_t, int, int, int) */ \
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"advansys", /* const char *name */ \
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advansys_detect, /* int (*detect)(struct SHT *) */ \
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advansys_release, /* int (*release)(struct Scsi_Host *) */ \
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advansys_info, /* const char *(*info)(struct Scsi_Host *) */ \
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advansys_command, /* int (*command)(Scsi_Cmnd *) */ \
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advansys_queuecommand, \
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/* int (*queuecommand)(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)) */ \
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advansys_abort, /* int (*abort)(Scsi_Cmnd *) */ \
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advansys_reset, \
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/* version < v1.3.89 int (*reset)(Scsi_Cmnd *) */ \
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/* version >= v1.3.89 int (*reset)(Scsi_Cmnd *, unsigned int) */ \
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NULL, /* int (*slave_attach)(int, int) */ \
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advansys_biosparam, /* int (* bios_param)(Disk *, kdev_t, int []) */ \
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/* \
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* The following fields are set per adapter in advansys_detect(). \
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*/ \
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0, /* int can_queue */ \
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0, /* int this_id */ \
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0, /* short unsigned int sg_tablesize */ \
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0, /* short cmd_per_lun */ \
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0, /* unsigned char present */ \
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/* \
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* Because the driver may control an ISA adapter 'unchecked_isa_dma' \
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* must be set. The flag will be cleared in advansys_detect for non-ISA \
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* adapters. Refer to the comment in scsi_module.c for more information. \
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*/ \
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1, /* unsigned unchecked_isa_dma:1 */ \
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/* \
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* All adapters controlled by this driver are capable of large \
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* scatter-gather lists. According to the mid-level SCSI documentation \
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* this obviates any performance gain provided by setting \
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* 'use_clustering'. But empirically while CPU utilization is increased \
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* by enabling clustering, I/O throughput increases as well. \
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*/ \
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ENABLE_CLUSTERING, /* unsigned use_clustering:1 */ \
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}
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#else /* version >= v2.1.75 */
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#define ADVANSYS { \
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proc_dir: &proc_scsi_advansys, \
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proc_info: advansys_proc_info, \
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name: "advansys", \
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detect: advansys_detect, \
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release: advansys_release, \
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info: advansys_info, \
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command: advansys_command, \
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queuecommand: advansys_queuecommand, \
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abort: advansys_abort, \
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reset: advansys_reset, \
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bios_param: advansys_biosparam, \
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/* \
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* Because the driver may control an ISA adapter 'unchecked_isa_dma' \
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* must be set. The flag will be cleared in advansys_detect for non-ISA \
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* adapters. Refer to the comment in scsi_module.c for more information. \
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*/ \
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unchecked_isa_dma: 1, \
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/* \
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* All adapters controlled by this driver are capable of large \
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* scatter-gather lists. According to the mid-level SCSI documentation \
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* this obviates any performance gain provided by setting \
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* 'use_clustering'. But empirically while CPU utilization is increased \
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* by enabling clustering, I/O throughput increases as well. \
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*/ \
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use_clustering: ENABLE_CLUSTERING, \
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}
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#endif /* version >= v2.1.75 */
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#endif /* _ADVANSYS_H */
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