ds_routines.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993,1991,1990,1989 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 2.6  93/11/17  16:33:10  dbg
   30  *      Added ANSI function prototypes.
   31  *      [93/09/24            dbg]
   32  * 
   33  * Revision 2.5  91/08/28  11:11:22  jsb
   34  *      Page list support: device_write_dealloc returns a boolean.
   35  *      [91/08/05  17:32:28  dlb]
   36  * 
   37  * Revision 2.4  91/05/14  15:47:56  mrt
   38  *      Correcting copyright
   39  * 
   40  * Revision 2.3  91/02/05  17:09:33  mrt
   41  *      Changed to new Mach copyright
   42  *      [91/01/31  17:29:15  mrt]
   43  * 
   44  * Revision 2.2  89/09/08  11:24:24  dbg
   45  *      Created.
   46  *      [89/08/04            dbg]
   47  * 
   48  */
   49 /*
   50  *      Author: David B. Golub, Carnegie Mellon University
   51  *      Date:   8/89
   52  *
   53  *      Device service utility routines.
   54  */
   55 
   56 #ifndef _DEVICE_DS_ROUTINES_H_
   57 #define _DEVICE_DS_ROUTINES_H_
   58 
   59 #include <mach/boolean.h>
   60 #include <mach/message.h>
   61 #include <mach/machine/vm_types.h>
   62 #include <vm/vm_map.h>
   63 #include <device/device_types.h>
   64 #include <device/io_req.h>
   65 
   66 /*
   67  * Map for device IO memory.
   68  */
   69 extern vm_map_t device_io_map;
   70 
   71 extern kern_return_t
   72 device_read_alloc(
   73         io_req_t        ior,
   74         vm_size_t       size);
   75 
   76 extern kern_return_t
   77 device_write_get(
   78         io_req_t        ior,
   79         boolean_t       *wait);
   80 
   81 extern boolean_t
   82 device_write_dealloc(
   83         io_req_t        ior);
   84 
   85 extern boolean_t
   86 ds_open_done(
   87         io_req_t        ior);
   88 
   89 extern boolean_t
   90 ds_read_done(
   91         io_req_t        ior);
   92 
   93 extern boolean_t
   94 ds_write_done(
   95         io_req_t        ior);
   96 
   97 extern boolean_t
   98 ds_notify(
   99         mach_msg_header_t *msg);
  100 
  101 #endif  /* _DEVICE_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