devfs.h

00001 /**************************************************************************************
00002  Copyright (c) 2002 The DevOS Project
00003  All rights reserved.
00004 
00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
00006 
00007 Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.
00008 Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors
00009 in the documentation and/or other materials provided with the distribution. Neither the name of the DevOS Project nor the names of its
00010 contributors may be used to endorse or promote products derived from this software without specific prior written permission.
00011 
00012 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
00013 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00014 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00015 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
00016 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
00017 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00018 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00019 
00020  $Id$
00021 
00022 **************************************************************************************/
00023 
00024 #ifndef _DEVFS_H
00025 #define _DEVFS_H
00026 
00027 #include <ubixos/types.h>
00028 #include <vfs/file.h>
00029 
00030 struct devFsDevices {
00031   struct devFsDevices *next;
00032   struct devFsDevices *prev;
00033   uInt8  devType;
00034   uInt16 devMajor;
00035   uInt16 devMinor;
00036   char   devName[32];
00037   };
00038 
00039 struct devFsInfo {
00040   struct devFsDevices *deviceList;
00041   };
00042 
00043 int devFSOpen(char *file,fileDescriptor *fd);
00044 void devFSInit(struct mountPoints *mp);
00045 int devFSEnable();
00046 int devFSRead(fileDescriptor *fd,char *data,long offset,long size);
00047 int devFSWrite(fileDescriptor *fd,char *data,long offset,long size);
00048 int devFsMkNod(char *name,uInt8 type,uInt16 major,uInt16 minor);
00049 
00050 #endif

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