ds_routines.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        ds_routines.h,v $
   29  * Revision 2.5  91/08/28  11:11:22  jsb
   30  *      Page list support: device_write_dealloc returns a boolean.
   31  *      [91/08/05  17:32:28  dlb]
   32  * 
   33  * Revision 2.4  91/05/14  15:47:56  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.3  91/02/05  17:09:33  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/01/31  17:29:15  mrt]
   39  * 
   40  * Revision 2.2  89/09/08  11:24:24  dbg
   41  *      Created.
   42  *      [89/08/04            dbg]
   43  * 
   44  */
   45 /*
   46  *      Author: David B. Golub, Carnegie Mellon University
   47  *      Date:   8/89
   48  *
   49  *      Device service utility routines.
   50  */
   51 
   52 #ifndef DS_ROUTINES_H
   53 #define DS_ROUTINES_H
   54 
   55 #include <vm/vm_map.h>
   56 #include <device/device_types.h>
   57 
   58 /*
   59  * Map for device IO memory.
   60  */
   61 vm_map_t        device_io_map;
   62 
   63 kern_return_t   device_read_alloc();
   64 kern_return_t   device_write_get();
   65 boolean_t       device_write_dealloc();
   66 
   67 boolean_t       ds_open_done();
   68 boolean_t       ds_read_done();
   69 boolean_t       ds_write_done();
   70 
   71 #endif  DS_ROUTINES_H

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FreeBSD/Linux Kernel Cross Reference sys/device/ds_routines.h

FreeBSD/Linux Kernel Cross Reference
sys/device/ds_routines.h