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kernel/linux-rt-4.4.41/drivers/usb/storage/initializers.h 2.07 KB
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  /* Header file for Special Initializers for certain USB Mass Storage devices
   *
   * Current development and maintenance by:
   *   (c) 1999, 2000 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
   *
   * This driver is based on the 'USB Mass Storage Class' document. This
   * describes in detail the protocol used to communicate with such
   * devices.  Clearly, the designers had SCSI and ATAPI commands in
   * mind when they created this document.  The commands are all very
   * similar to commands in the SCSI-II and ATAPI specifications.
   *
   * It is important to note that in a number of cases this class
   * exhibits class-specific exemptions from the USB specification.
   * Notably the usage of NAK, STALL and ACK differs from the norm, in
   * that they are used to communicate wait, failed and OK on commands.
   *
   * Also, for certain devices, the interrupt endpoint is used to convey
   * status of a command.
   *
   * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
   * information about this driver.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; either version 2, or (at your option) any
   * later version.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  #include "usb.h"
  #include "transport.h"
  
  /* This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target
   * mode */
  int usb_stor_euscsi_init(struct us_data *us);
  
  /* This function is required to activate all four slots on the UCR-61S2B
   * flash reader */
  int usb_stor_ucr61s2b_init(struct us_data *us);
  
  /* This places the HUAWEI E220 devices in multi-port mode */
  int usb_stor_huawei_e220_init(struct us_data *us);