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phoenix |
/*
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* advansys.h - Linux Host Driver for AdvanSys SCSI Adapters
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*
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* Copyright (c) 1995-2000 Advanced System Products, Inc.
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* Copyright (c) 2000-2001 ConnectCom Solutions, 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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* As of March 8, 2000 Advanced System Products, Inc. (AdvanSys)
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* changed its name to ConnectCom Solutions, Inc.
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*
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* There is an AdvanSys Linux WWW page at:
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* http://www.connectcom.net/downloads/software/os/linux.html
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* http://www.advansys.com/linux.html
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*
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* The latest released version of the AdvanSys driver is available at:
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* ftp://ftp.advansys.com/pub/linux/linux.tgz
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* ftp://ftp.connectcom.net/pub/linux/linux.tgz
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*
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* Please send questions, comments, bug reports to:
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* linux@connectcom.net or bfrey@turbolinux.com.cn
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*/
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#ifndef _ADVANSYS_H
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#define _ADVANSYS_H
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#include <linux/config.h>
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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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/* 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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/* Driver supported only in version 2.2 and version >= 2.4. */
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#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,2,0) || \
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(LINUX_VERSION_CODE > ASC_LINUX_VERSION(2,3,0) && \
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LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,4,0))
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#error "AdvanSys driver supported only in 2.2 and 2.4 or greater kernels."
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#endif
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#define ASC_LINUX_KERNEL22 (LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,4,0))
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#define ASC_LINUX_KERNEL24 (LINUX_VERSION_CODE >= ASC_LINUX_VERSION(2,4,0))
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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_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));
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int advansys_reset(Scsi_Cmnd *);
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int advansys_biosparam(Disk *, kdev_t, int[]);
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#ifdef CONFIG_PROC_FS
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#if LINUX_VERSION_CODE < ASC_LINUX_VERSION(2,3,28)
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extern struct proc_dir_entry proc_scsi_advansys;
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#endif /* version < v2.3.28 */
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int advansys_proc_info(char *, char **, off_t, int, int, int);
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#else /* !defined(CONFIG_PROC_FS) */
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#define advansys_proc_info NULL
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#endif /* !defined(CONFIG_PROC_FS) */
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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 ASC_LINUX_KERNEL24
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#define ADVANSYS { \
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proc_name: "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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queuecommand: advansys_queuecommand, \
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use_new_eh_code: 1, \
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eh_bus_reset_handler: 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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#elif ASC_LINUX_KERNEL22
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#define 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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queuecommand: advansys_queuecommand, \
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use_new_eh_code: 1, \
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eh_bus_reset_handler: 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
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#endif /* _ADVANSYS_H */
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