blockdev.h

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00001 #ifndef DEV_BLOCKDEV_H_
00002 #define DEV_BLOCKDEV_H_
00003 
00004 /*
00005  * Copyright (C) 2005 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the copyright holders nor the names of
00017  *    contributors may be used to endorse or promote products derived
00018  *    from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00023  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00024  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00025  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00026  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00027  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00028  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00029  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00030  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * For additional information see http://www.ethernut.de/
00034  */
00035 
00056 #include <sys/types.h>
00057 #include <stdint.h>
00058 #include <sys/file.h>
00059 
00064 
00069 
00071 #define NUTBLKDEV_MEDIAAVAIL   0x1200
00072 
00073 #define NUTBLKDEV_MEDIACHANGE  0x1201
00074 
00075 #define NUTBLKDEV_INFO         0x1202
00076 
00077 #define NUTBLKDEV_SEEK         0x1203
00078 
00082 typedef struct _BLKPAR_SEEK {
00083     NUTFILE *par_nfp;
00084     uint32_t par_blknum;
00085 } BLKPAR_SEEK;
00086 
00087 typedef struct _BLKPAR_INFO {
00088     NUTFILE *par_nfp;
00089     uint32_t par_nblks;
00090     uint32_t par_blksz;
00091     uint8_t *par_blkbp;
00092 } BLKPAR_INFO;
00093 
00096 #endif

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