hosts.c

基于组件方式开发操作系统的OSKIT源代码

/*
 *  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
 *
 *  <[e-mail]>
 *
 *  Jiffies wrap fixes (host->resetting), 3 Dec 1998 Andrea Arcangeli
 */


/*
 *  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.
 */

#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 <linux/init.h>

#define __KERNEL_SYSCALLS__

#include <linux/unistd.h>

#include "scsi.h"

#ifndef NULL
#define NULL 0L
#endif

#define HOSTS_C

#include "hosts.h"

#if defined(CONFIG_A4000T_SCSI) || \
    defined(CONFIG_WARPENGINE_SCSI) || \
    defined(CONFIG_A4091_SCSI) || \
    defined (CONFIG_GVP_TURBO_SCSI) || \
    defined (CONFIG_BLZ603E)
#define AMIGA7XXCONFIG
#endif

#ifdef AMIGA7XXCONFIG
#include "amiga7xx.h"
#endif

#ifdef CONFIG_MVME16x_SCSI
#include "mvme16x.h"
#endif

#ifdef CONFIG_BVME6000_SCSI
#include "bvme6000.h"
#endif

#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_CYBERSTORM_SCSI
#include "cyberstorm.h"
#endif

#ifdef CONFIG_CYBERSTORMII_SCSI
#include "cyberstormII.h"
#endif

#ifdef CONFIG_BLZ2060_SCSI
#include "blz2060.h"
#endif

#ifdef CONFIG_BLZ1230_SCSI
#include "blz1230.h"
#endif

#ifdef CONFIG_FASTLANE_SCSI
#include "fastlane.h"
#endif

#ifdef CONFIG_ATARI_SCSI
#include "atari_scsi.h"
#endif

#ifdef CONFIG_MAC_SCSI_OLD
#include "mac_scsi.h"
#endif

#ifdef CONFIG_MAC_SCSI
#include "mac_scsinew.h"
#endif

#ifdef CONFIG_SCSI_MAC_ESP
#include "mac_esp.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_FD_MCS
#include "fd_mcs.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_QLOGIC_FC
#include "qlogicfc.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_SYM53C8XX
#include "sym53c8xx.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_MCA_53C9X
#include "mca_53c9x.h"
#endif

#ifdef CONFIG_SCSI_IBMMCA
#include "ibmmca.h"
#endif

#ifdef CONFIG_SCSI_EATA
#include "eata.h"
#endif

#ifdef CONFIG_SCSI_NCR53C406A
#include "NCR53c406a.h"
#endif

#ifdef CONFIG_SCSI_SYM53C416 
#include "sym53c416.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_ACARD
#include "atp870u.h"
#endif

#ifdef CONFIG_SCSI_SUNESP
#include "esp.h"
#endif

#ifdef CONFIG_SCSI_QLOGICPTI
#include "qlogicpti.h"
#endif

#ifdef CONFIG_BLK_DEV_IDESCSI
#include "ide-scsi.h"
#endif

#ifdef CONFIG_SCSI_MESH
#include "mesh.h"
#endif

#ifdef CONFIG_SCSI_MAC53C94
#include "mac53c94.h"
#endif

#ifdef CONFIG_SCSI_GDTH
#include "gdth.h"
#endif

#ifdef CONFIG_SCSI_PCI2000
#include "pci2000.h"
#endif

#ifdef CONFIG_SCSI_PCI2220I
#include "pci2220i.h"
#endif

#ifdef CONFIG_SCSI_PSI240I
#include "psi240i.h"
#endif

#ifdef CONFIG_SCSI_PLUTO
#include "pluto.h"
#endif

#ifdef CONFIG_SCSI_INITIO
#include "ini9100u.h"
#endif

#ifdef CONFIG_SCSI_INIA100
#include "inia100.h"
#endif

#ifdef CONFIG_SCSI_DEBUG
#include "scsi_debug.h"
#endif

#ifdef CONFIG_SCSI_ACORNSCSI_3
#include "../acorn/scsi/acornscsi.h"
#endif

#ifdef CONFIG_SCSI_CUMANA_1
#include "../acorn/scsi/cumana_1.h"
#endif

#ifdef CONFIG_SCSI_CUMANA_2
#include "../acorn/scsi/cumana_2.h"
#endif

#ifdef CONFIG_SCSI_ECOSCSI
#include "../acorn/scsi/ecoscsi.h"
#endif

#ifdef CONFIG_SCSI_OAK1
#include "../acorn/scsi/oak.h"
#endif

#ifdef CONFIG_SCSI_POWERTECSCSI
#include "../acorn/scsi/powertec.h"
#endif

#ifdef CONFIG_JAZZ_ESP
#include "jazz_esp.h"
#endif

#ifdef CONFIG_IPHASE5526
#include "../net/fc/iph5526_scsi.h"
#endif

/*
 * Moved ppa driver to the end of the probe list
 * since it is a removable host adapter.
 * This means the parallel ZIP drive will not bump
 * the order of the /dev/sd devices - [e-mail]
 */
#ifdef CONFIG_SCSI_PPA
#include "ppa.h"
#endif

#ifdef CONFIG_SCSI_IMM
#include "imm.h"
#endif

/*
static const char RCSid[] = "$Header: /vger/u4/cvs/linux/drivers/scsi/hosts.c,v 1.20 1996/12/12 19:18:32 davem 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 AMIGA7XXCONFIG
	AMIGA7XX_SCSI,
#endif
#ifdef CONFIG_A3000_SCSI
	A3000_SCSI,
#endif
#ifdef CONFIG_A2091_SCSI
	A2091_SCSI,
#endif
#ifdef CONFIG_GVP11_SCSI
	GVP11_SCSI,
#endif
#ifdef CONFIG_CYBERSTORM_SCSI
	SCSI_CYBERSTORM,
#endif
#ifdef CONFIG_CYBERSTORMII_SCSI
	SCSI_CYBERSTORMII,
#endif
#ifdef CONFIG_BLZ2060_SCSI
	SCSI_BLZ2060,
#endif
#ifdef CONFIG_BLZ1230_SCSI
	SCSI_BLZ1230,
#endif
#ifdef CONFIG_FASTLANE_SCSI
	SCSI_FASTLANE,
#endif
#endif

#ifdef CONFIG_ATARI
#ifdef CONFIG_ATARI_SCSI
	ATARI_SCSI,
#endif
#endif

#ifdef CONFIG_MAC
#ifdef CONFIG_MAC_SCSI_OLD
	MAC_SCSI,
#endif
#ifdef CONFIG_SCSI_MAC_ESP
        SCSI_MAC_ESP,
#endif
#ifdef CONFIG_MAC_SCSI
	MAC_NCR5380,
#endif
#endif

#ifdef CONFIG_MVME16x_SCSI
	MVME16x_SCSI,
#endif
#ifdef CONFIG_BVME6000_SCSI
	BVME6000_SCSI,
#endif
#ifdef CONFIG_SCSI_ADVANSYS
	ADVANSYS,
#endif

#ifdef CONFIG_SCSI_PCI2000
        PCI2000,
#endif
#ifdef CONFIG_SCSI_PCI2220I
        PCI2220I,
#endif