diff options
Diffstat (limited to 'linux/src/drivers/scsi/advansys.h')
| -rw-r--r-- | linux/src/drivers/scsi/advansys.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/linux/src/drivers/scsi/advansys.h b/linux/src/drivers/scsi/advansys.h new file mode 100644 index 0000000..72e8aef --- /dev/null +++ b/linux/src/drivers/scsi/advansys.h @@ -0,0 +1,174 @@ +/* $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 */ |