diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/dev/drivers/scsi/hosts.c | 545 |
1 files changed, 0 insertions, 545 deletions
diff --git a/linux/dev/drivers/scsi/hosts.c b/linux/dev/drivers/scsi/hosts.c deleted file mode 100644 index 5318833..0000000 --- a/linux/dev/drivers/scsi/hosts.c +++ /dev/null @@ -1,545 +0,0 @@ -/* - * hosts.c Copyright (C) 1992 Drew Eckhardt - * Copyright (C) 1993, 1994, 1995 Eric Youngdale - * - * mid to lowlevel SCSI driver interface - * Initial versions: Drew Eckhardt - * Subsequent revisions: Eric Youngdale - * - * <drew@colorado.edu> - */ - - -/* - * This file contains the medium level SCSI - * host interface initialization, as well as the scsi_hosts array of SCSI - * hosts currently present in the system. - */ - -/* - * Don't import our own symbols, as this would severely mess up our - * symbol tables. - */ -#define _SCSI_SYMS_VER_ -#define __NO_VERSION__ -#include <linux/module.h> - -#include <linux/config.h> -#include <linux/blk.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/proc_fs.h> - -#include "scsi.h" - -#ifndef NULL -#define NULL 0L -#endif - -#define HOSTS_C - -#include "hosts.h" - -#ifdef CONFIG_A3000_SCSI -#include "a3000.h" -#endif - -#ifdef CONFIG_A2091_SCSI -#include "a2091.h" -#endif - -#ifdef CONFIG_GVP11_SCSI -#include "gvp11.h" -#endif - -#ifdef CONFIG_ATARI_SCSI -#include "atari_scsi.h" -#endif - -#ifdef CONFIG_SCSI_ADVANSYS -#include "advansys.h" -#endif - -#ifdef CONFIG_SCSI_AHA152X -#include "aha152x.h" -#endif - -#ifdef CONFIG_SCSI_AHA1542 -#include "aha1542.h" -#endif - -#ifdef CONFIG_SCSI_AHA1740 -#include "aha1740.h" -#endif - -#ifdef CONFIG_SCSI_AIC7XXX -#include "aic7xxx.h" -#endif - -#ifdef CONFIG_SCSI_BUSLOGIC -#include "BusLogic.h" -#endif - -#ifdef CONFIG_SCSI_EATA_DMA -#include "eata_dma.h" -#endif - -#ifdef CONFIG_SCSI_EATA_PIO -#include "eata_pio.h" -#endif - -#ifdef CONFIG_SCSI_U14_34F -#include "u14-34f.h" -#endif - -#ifdef CONFIG_SCSI_FUTURE_DOMAIN -#include "fdomain.h" -#endif - -#ifdef CONFIG_SCSI_GENERIC_NCR5380 -#include "g_NCR5380.h" -#endif - -#ifdef CONFIG_SCSI_IN2000 -#include "in2000.h" -#endif - -#ifdef CONFIG_SCSI_PAS16 -#include "pas16.h" -#endif - -#ifdef CONFIG_SCSI_QLOGIC_FAS -#include "qlogicfas.h" -#endif - -#ifdef CONFIG_SCSI_QLOGIC_ISP -#include "qlogicisp.h" -#endif - -#ifdef CONFIG_SCSI_SEAGATE -#include "seagate.h" -#endif - -#ifdef CONFIG_SCSI_T128 -#include "t128.h" -#endif - -#ifdef CONFIG_SCSI_DTC3280 -#include "dtc.h" -#endif - -#ifdef CONFIG_SCSI_NCR53C7xx -#include "53c7,8xx.h" -#endif - -#ifdef CONFIG_SCSI_NCR53C8XX -#include "ncr53c8xx.h" -#endif - -#ifdef CONFIG_SCSI_ULTRASTOR -#include "ultrastor.h" -#endif - -#ifdef CONFIG_SCSI_7000FASST -#include "wd7000.h" -#endif - -#ifdef CONFIG_SCSI_EATA -#include "eata.h" -#endif - -#ifdef CONFIG_SCSI_NCR53C406A -#include "NCR53c406a.h" -#endif - -#ifdef CONFIG_SCSI_DC390T -#include "dc390.h" -#endif - -#ifdef CONFIG_SCSI_AM53C974 -#include "AM53C974.h" -#endif - -#ifdef CONFIG_SCSI_MEGARAID -#include "megaraid.h" -#endif - -#ifdef CONFIG_SCSI_PPA -#include "ppa.h" -#endif - -#ifdef CONFIG_SCSI_SUNESP -#include "esp.h" -#endif - -#ifdef CONFIG_BLK_DEV_IDESCSI -#include "ide-scsi.h" -#endif - -#ifdef CONFIG_SCSI_GDTH -#include "gdth.h" -#endif - -#ifdef CONFIG_SCSI_DEBUG -#include "scsi_debug.h" -#endif - - -/* -static const char RCSid[] = "$Header: cvs/gnumach/linux/dev/drivers/scsi/Attic/hosts.c,v 1.2 2001/05/27 12:44:22 marcus Exp $"; -*/ - -/* - * The scsi host entries should be in the order you wish the - * cards to be detected. A driver may appear more than once IFF - * it can deal with being detected (and therefore initialized) - * with more than one simultaneous host number, can handle being - * reentrant, etc. - * - * They may appear in any order, as each SCSI host is told which host - * number it is during detection. - */ - -/* This is a placeholder for controllers that are not configured into - * the system - we do this to ensure that the controller numbering is - * always consistent, no matter how the kernel is configured. */ - -#define NO_CONTROLLER {NULL, NULL, NULL, NULL, NULL, NULL, NULL, \ - NULL, NULL, 0, 0, 0, 0, 0, 0} - -/* - * When figure is run, we don't want to link to any object code. Since - * the macro for each host will contain function pointers, we cannot - * use it and instead must use a "blank" that does no such - * idiocy. - */ - -Scsi_Host_Template * scsi_hosts = NULL; - -static Scsi_Host_Template builtin_scsi_hosts[] = -{ -#ifdef CONFIG_AMIGA -#ifdef CONFIG_A3000_SCSI - A3000_SCSI, -#endif -#ifdef CONFIG_A2091_SCSI - A2091_SCSI, -#endif -#ifdef CONFIG_GVP11_SCSI - GVP11_SCSI, -#endif -#endif - -#ifdef CONFIG_ATARI -#ifdef CONFIG_ATARI_SCSI - ATARI_SCSI, -#endif -#endif - -#ifdef CONFIG_SCSI_ADVANSYS - ADVANSYS, -#endif -/* BusLogic must come before aha1542.c */ -#ifdef CONFIG_SCSI_BUSLOGIC - BUSLOGIC, -#endif -#ifdef CONFIG_SCSI_U14_34F - ULTRASTOR_14_34F, -#endif -#ifdef CONFIG_SCSI_ULTRASTOR - ULTRASTOR_14F, -#endif -#ifdef CONFIG_SCSI_AHA152X - AHA152X, -#endif -#ifdef CONFIG_SCSI_AHA1542 - AHA1542, -#endif -#ifdef CONFIG_SCSI_AHA1740 - AHA1740, -#endif -#ifdef CONFIG_SCSI_AIC7XXX - AIC7XXX, -#endif -#ifdef CONFIG_SCSI_FUTURE_DOMAIN - FDOMAIN_16X0, -#endif -#ifdef CONFIG_SCSI_IN2000 - IN2000, -#endif -#ifdef CONFIG_SCSI_GENERIC_NCR5380 - GENERIC_NCR5380, -#endif -#ifdef CONFIG_SCSI_NCR53C406A /* 53C406A should come before QLOGIC */ - NCR53c406a, -#endif -#ifdef CONFIG_SCSI_QLOGIC_FAS - QLOGICFAS, -#endif -#ifdef CONFIG_SCSI_QLOGIC_ISP - QLOGICISP, -#endif -#ifdef CONFIG_SCSI_PAS16 - MV_PAS16, -#endif -#ifdef CONFIG_SCSI_SEAGATE - SEAGATE_ST0X, -#endif -#ifdef CONFIG_SCSI_T128 - TRANTOR_T128, -#endif -#ifdef CONFIG_SCSI_DTC3280 - DTC3x80, -#endif -#ifdef CONFIG_SCSI_DC390T - DC390_T, -#endif -#ifdef CONFIG_SCSI_NCR53C7xx - NCR53c7xx, -#endif -#ifdef CONFIG_SCSI_NCR53C8XX - NCR53C8XX, -#endif -#ifdef CONFIG_SCSI_EATA_DMA - EATA_DMA, -#endif -#ifdef CONFIG_SCSI_EATA_PIO - EATA_PIO, -#endif -#ifdef CONFIG_SCSI_7000FASST - WD7000, -#endif -#ifdef CONFIG_SCSI_EATA - EATA, -#endif -#ifdef CONFIG_SCSI_AM53C974 - AM53C974, -#endif -#ifdef CONFIG_SCSI_MEGARAID - MEGARAID, -#endif -#ifdef CONFIG_SCSI_PPA - PPA, -#endif -#ifdef CONFIG_SCSI_SUNESP - SCSI_SPARC_ESP, -#endif -#ifdef CONFIG_SCSI_GDTH - GDTH, -#endif -#ifdef CONFIG_BLK_DEV_IDESCSI - IDESCSI, -#endif -#ifdef CONFIG_SCSI_DEBUG - SCSI_DEBUG, -#endif -}; - -#define MAX_SCSI_HOSTS (sizeof(builtin_scsi_hosts) / sizeof(Scsi_Host_Template)) - - -/* - * Our semaphores and timeout counters, where size depends on - * MAX_SCSI_HOSTS here. - */ - -struct Scsi_Host * scsi_hostlist = NULL; -struct Scsi_Device_Template * scsi_devicelist = NULL; - -int max_scsi_hosts = 0; -int next_scsi_host = 0; - -void -scsi_unregister(struct Scsi_Host * sh){ - struct Scsi_Host * shpnt; - - if(scsi_hostlist == sh) - scsi_hostlist = sh->next; - else { - shpnt = scsi_hostlist; - while(shpnt->next != sh) shpnt = shpnt->next; - shpnt->next = shpnt->next->next; - } - - /* If we are removing the last host registered, it is safe to reuse - * its host number (this avoids "holes" at boot time) (DB) - * It is also safe to reuse those of numbers directly below which have - * been released earlier (to avoid some holes in numbering). - */ - if(sh->host_no == max_scsi_hosts - 1) { - while(--max_scsi_hosts >= next_scsi_host) { - shpnt = scsi_hostlist; - while(shpnt && shpnt->host_no != max_scsi_hosts - 1) - shpnt = shpnt->next; - if(shpnt) - break; - } - } - next_scsi_host--; - scsi_init_free((char *) sh, sizeof(struct Scsi_Host) + sh->extra_bytes); -} - -/* We call this when we come across a new host adapter. We only do this - * once we are 100% sure that we want to use this host adapter - it is a - * pain to reverse this, so we try to avoid it - */ - -struct Scsi_Host * scsi_register(Scsi_Host_Template * tpnt, int j){ - struct Scsi_Host * retval, *shpnt; - retval = (struct Scsi_Host *)scsi_init_malloc(sizeof(struct Scsi_Host) + j, - (tpnt->unchecked_isa_dma && j ? GFP_DMA : 0) | GFP_ATOMIC); - retval->host_busy = 0; - retval->block = NULL; - retval->wish_block = 0; - if(j > 0xffff) panic("Too many extra bytes requested\n"); - retval->extra_bytes = j; - retval->loaded_as_module = scsi_loadable_module_flag; - retval->host_no = max_scsi_hosts++; /* never reuse host_no (DB) */ - next_scsi_host++; - retval->host_queue = NULL; - retval->host_wait = NULL; - retval->last_reset = 0; - retval->irq = 0; - retval->dma_channel = 0xff; - - /* These three are default values which can be overridden */ - retval->max_channel = 0; - retval->max_id = 8; - retval->max_lun = 8; - - retval->unique_id = 0; - retval->io_port = 0; - retval->hostt = tpnt; - retval->next = NULL; -#ifdef DEBUG - printk("Register %x %x: %d\n", (int)retval, (int)retval->hostt, j); -#endif - - /* The next six are the default values which can be overridden - * if need be */ - retval->this_id = tpnt->this_id; - retval->can_queue = tpnt->can_queue; - retval->sg_tablesize = tpnt->sg_tablesize; - retval->cmd_per_lun = tpnt->cmd_per_lun; - retval->unchecked_isa_dma = tpnt->unchecked_isa_dma; - retval->use_clustering = tpnt->use_clustering; - - retval->select_queue_depths = NULL; - - if(!scsi_hostlist) - scsi_hostlist = retval; - else - { - shpnt = scsi_hostlist; - while(shpnt->next) shpnt = shpnt->next; - shpnt->next = retval; - } - - return retval; -} - -int -scsi_register_device(struct Scsi_Device_Template * sdpnt) -{ - if(sdpnt->next) panic("Device already registered"); - sdpnt->next = scsi_devicelist; - scsi_devicelist = sdpnt; - return 0; -} - -unsigned int scsi_init() -{ - static int called = 0; - int i, pcount; - Scsi_Host_Template * tpnt; - struct Scsi_Host * shpnt; - const char * name; - - if(called) return 0; - - called = 1; - for (tpnt = &builtin_scsi_hosts[0], i = 0; i < MAX_SCSI_HOSTS; ++i, tpnt++) - { - /* - * Initialize our semaphores. -1 is interpreted to mean - * "inactive" - where as 0 will indicate a time out condition. - */ - - pcount = next_scsi_host; - if ((tpnt->detect) && - (tpnt->present = - tpnt->detect(tpnt))) - { - /* The only time this should come up is when people use - * some kind of patched driver of some kind or another. */ - if(pcount == next_scsi_host) { - if(tpnt->present > 1) - panic("Failure to register low-level scsi driver"); - /* The low-level driver failed to register a driver. We - * can do this now. */ - scsi_register(tpnt,0); - } - tpnt->next = scsi_hosts; - scsi_hosts = tpnt; - - /* Add the driver to /proc/scsi */ -#if CONFIG_PROC_FS - build_proc_dir_entries(tpnt); -#endif - } - } - - for(shpnt=scsi_hostlist; shpnt; shpnt = shpnt->next) - { - if(shpnt->hostt->info) - name = shpnt->hostt->info(shpnt); - else - name = shpnt->hostt->name; - printk ("scsi%d : %s\n", /* And print a little message */ - shpnt->host_no, name); - } - - printk ("scsi : %d host%s.\n", next_scsi_host, - (next_scsi_host == 1) ? "" : "s"); - - scsi_make_blocked_list(); - - /* Now attach the high level drivers */ -#ifdef CONFIG_BLK_DEV_SD - scsi_register_device(&sd_template); -#endif -#ifdef CONFIG_BLK_DEV_SR - scsi_register_device(&sr_template); -#endif -#ifdef CONFIG_CHR_DEV_ST - scsi_register_device(&st_template); -#endif -#ifdef CONFIG_CHR_DEV_SG - scsi_register_device(&sg_template); -#endif - -#if 0 - max_scsi_hosts = next_scsi_host; -#endif - return 0; -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 4 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -4 - * c-argdecl-indent: 4 - * c-label-offset: -4 - * c-continued-statement-offset: 4 - * c-continued-brace-offset: 0 - * indent-tabs-mode: nil - * tab-width: 8 - * End: - */ |