os161-1.99
 All Data Structures
emufs.h
00001 /*
00002  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
00003  *      The President and Fellows of Harvard College.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the University nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  */
00029 
00030 #ifndef _EMUFS_H_
00031 #define _EMUFS_H_
00032 
00033 
00034 /*
00035  * Get abstract structure definitions
00036  */
00037 #include <fs.h>
00038 #include <vnode.h>
00039 
00040 /*
00041  * Our structures
00042  */
00043 
00044 struct emufs_vnode {
00045         struct vnode ev_v;              /* abstract vnode structure */
00046         struct emu_softc *ev_emu;       /* device */
00047         uint32_t ev_handle;             /* file handle */
00048 };
00049 
00050 struct emufs_fs {
00051         struct fs ef_fs;                /* abstract filesystem structure */
00052         struct emu_softc *ef_emu;       /* device */
00053         struct emufs_vnode *ef_root;    /* root vnode */
00054         struct vnodearray *ef_vnodes;   /* table of loaded vnodes */
00055 };
00056 
00057 
00058 #endif /* _EMUFS_H_ */
 All Data Structures