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      1 /* -*-C++-*-	$NetBSD: file_ufs.h,v 1.5 2008/04/28 20:23:20 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _HPCBOOT_FILE_UFS_H_
     33 #define	_HPCBOOT_FILE_UFS_H_
     34 
     35 #include <file.h>
     36 
     37 struct open_file; // forward declaration
     38 
     39 class UfsFile : public File {
     40 private:
     41 	int _unit;
     42 	struct open_file *_f;
     43 
     44 public:
     45 	UfsFile(Console *&);
     46 	virtual ~UfsFile(void);
     47 
     48 	BOOL setRoot(TCHAR *);
     49 	BOOL open(const TCHAR *, uint32_t);
     50 	size_t size(void);
     51 	BOOL close(void);
     52 	size_t read(void *, size_t, off_t = -1);
     53 	size_t write(const void *, size_t, off_t = -1);
     54 	BOOL seek(off_t);
     55 };
     56 
     57 #define	O_RDONLY        0x0000          /* open for reading only */
     58 
     59 #endif //_HPCBOOT_FILE_UFS_H_
     60