include/cygwin/rdevio.h

   1 /* cygwin/rdevio.h
   2
   3    Copyright 1999, 2001 Red Hat, Inc.
   4
   5    Written by Corinna Vinschen <corinna@vinschen.de>
   6
   7 This file is part of Cygwin.
   8
   9 This software is a copyrighted work licensed under the terms of the
  10 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
  11 details. */
  12
  13 /*
  14  * cygwin/rdevio.h header file for Cygwin.
  15  *
  16  * Written by C. Vinschen.
  17  */
  18
  19 #ifndef _CYGWIN_RDEVIO_H
  20 #define _CYGWIN_RDEVIO_H
  21
  22 /* structure for RDIOCDOP - raw device operation */
  23 struct rdop {
  24         short           rd_op;
  25         unsigned long   rd_parm;
  26 };
  27
  28 /* Raw device operations */
  29 #define RDSETBLK        1       /* set buffer for driver */
  30
  31 /* structure for RDIOCGET - get raw device */
  32 struct rdget {
  33         unsigned long   bufsiz;
  34 };
  35
  36 /*
  37  * ioctl commands
  38 */
  39 #define RDIOCDOP        _IOW('r', 128, struct rdop)
  40 #define RDIOCGET        _IOR('r', 129, struct rdget)
  41
  42 #endif /* _CYGWIN_RDEVIO_H */