LXR linux/drivers/usb/storage/scsiglue.h

   1/* Driver for USB Mass Storage compliant devices
   2 * SCSI Connecting Glue Header File
   3 *
   4 * Current development and maintenance by:
   5 *   (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
   6 *
   7 * This driver is based on the 'USB Mass Storage Class' document. This
   8 * describes in detail the protocol used to communicate with such
   9 * devices.  Clearly, the designers had SCSI and ATAPI commands in
  10 * mind when they created this document.  The commands are all very
  11 * similar to commands in the SCSI-II and ATAPI specifications.
  12 *
  13 * It is important to note that in a number of cases this class
  14 * exhibits class-specific exemptions from the USB specification.
  15 * Notably the usage of NAK, STALL and ACK differs from the norm, in
  16 * that they are used to communicate wait, failed and OK on commands.
  17 *
  18 * Also, for certain devices, the interrupt endpoint is used to convey
  19 * status of a command.
  20 *
  21 * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
  22 * information about this driver.
  23 *
  24 * This program is free software; you can redistribute it and/or modify it
  25 * under the terms of the GNU General Public License as published by the
  26 * Free Software Foundation; either version 2, or (at your option) any
  27 * later version.
  28 *
  29 * This program is distributed in the hope that it will be useful, but
  30 * WITHOUT ANY WARRANTY; without even the implied warranty of
  31 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  32 * General Public License for more details.
  33 *
  34 * You should have received a copy of the GNU General Public License along
  35 * with this program; if not, write to the Free Software Foundation, Inc.,
  36 * 675 Mass Ave, Cambridge, MA 02139, USA.
  37 */
  38
  39#ifndef _SCSIGLUE_H_
  40#define _SCSIGLUE_H_
  41
  42extern void usb_stor_report_device_reset(struct us_data *us);
  43extern void usb_stor_report_bus_reset(struct us_data *us);
  44
  45extern unsigned char usb_stor_sense_invalidCDB[18];
  46extern struct scsi_host_template usb_stor_host_template;
  47
  48#endif
  49