linux-imx

/*

  SCSI Tape Driver for Linux version 1.1 and newer. See the accompanying

  file Documentation/scsi/st.txt for more information.

​

  History:

​

  OnStream SCSI Tape support (osst) cloned from st.c by

  Willem Riede (osst@riede.org) Feb 2000

  Fixes ... Kurt Garloff <garloff@suse.de> Mar 2000

​

  Rewritten from Dwayne Forsyth's SCSI tape driver by Kai Makisara.

  Contribution and ideas from several people including (in alphabetical

  order) Klaus Ehrenfried, Wolfgang Denk, Steve Hirsch, Andreas Koppenh"ofer,

  Michael Leodolter, Eyal Lebedinsky, J"org Weule, and Eric Youngdale.

​

  Copyright 1992 - 2002 Kai Makisara / 2000 - 2006 Willem Riede

     email osst@riede.org

​

  $Header: /cvsroot/osst/Driver/osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $

​

  Microscopic alterations - Rik Ling, 2000/12/21

  Last st.c sync: Tue Oct 15 22:01:04 2002 by makisara

  Some small formal changes - aeb, 950809

*/

​

static const char * cvsid = "$Id: osst.c,v 1.73 2005/01/01 21:13:34 wriede Exp $";

static const char * osst_version = "0.99.4";

​

/* The "failure to reconnect" firmware bug */

#define OSST_FW_NEED_POLL_MIN 10601 /*(107A)*/

#define OSST_FW_NEED_POLL_MAX 10704 /*(108D)*/

#define OSST_FW_NEED_POLL(x,d) ((x) >= OSST_FW_NEED_POLL_MIN && (x) <= OSST_FW_NEED_POLL_MAX && d->host->this_id != 7)

​

#include <linux/module.h>

​

#include <linux/fs.h>

#include <linux/kernel.h>

#include <linux/sched/signal.h>

#include <linux/proc_fs.h>

#include <linux/mm.h>

#include <linux/slab.h>

#include <linux/init.h>

#include <linux/string.h>

#include <linux/errno.h>

#include <linux/mtio.h>

#include <linux/ioctl.h>

#include <linux/fcntl.h>

#include <linux/spinlock.h>

#include <linux/vmalloc.h>

#include <linux/blkdev.h>

#include <linux/moduleparam.h>

#include <linux/delay.h>

#include <linux/jiffies.h>

#include <linux/mutex.h>

#include <linux/uaccess.h>

#include <asm/dma.h>

​

/* The driver prints some debugging information on the console if DEBUG

   is defined and non-zero. */

#define DEBUG 0

​

/* The message level for the debug messages is currently set to KERN_NOTICE

   so that people can easily see the messages. Later when the debugging messages

   in the drivers are more widely classified, this may be changed to KERN_DEBUG. */

#define OSST_DEB_MSG  KERN_NOTICE

​

#include <scsi/scsi.h>

#include <scsi/scsi_dbg.h>

#include <scsi/scsi_device.h>

#include <scsi/scsi_driver.h>

#include <scsi/scsi_eh.h>

#include <scsi/scsi_host.h>

#include <scsi/scsi_ioctl.h>

​

#define ST_KILOBYTE 1024

​

#include "st.h"

#include "osst.h"

#include "osst_options.h"

#include "osst_detect.h"

​

static DEFINE_MUTEX(osst_int_mutex);

static int max_dev = 0;

static int write_threshold_kbs = 0;

static int max_sg_segs = 0;

​

#ifdef MODULE

MODULE_AUTHOR("Willem Riede");

MODULE_DESCRIPTION("OnStream {DI-|FW-|SC-|USB}{30|50} Tape Driver");

MODULE_LICENSE("GPL");

MODULE_ALIAS_CHARDEV_MAJOR(OSST_MAJOR);

MODULE_ALIAS_SCSI_DEVICE(TYPE_TAPE);