/* $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 #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 */