sys/arch/hpc/stand/hpcboot/file_ufs.h

   1 /* -*-C++-*-    $NetBSD: file_ufs.h,v 1.4 2006/03/05 04:05:39 uwe 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_