diskio.h

eCos操作系统源码

#ifndef CYGONCE_DISKIO_H
#define CYGONCE_DISKIO_H
// ====================================================================
//
//      diskio.h
//
//      Device I/O 
//
// ====================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 2003 Savin Zlobec 
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
// ====================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     savin
// Date:          2003-06-09
// Purpose:       Special support for disk I/O devices
// Description:
//
//####DESCRIPTIONEND####
//
// ====================================================================

// This file contains the user-level visible I/O interfaces

#include <pkgconf/hal.h>
#include <cyg/infra/cyg_type.h>
#include <cyg/io/config_keys.h>

#ifdef __cplusplus
extern "C" {
#endif
    
typedef struct {
    char        serial[20+1];      // serial number
    char        firmware_rev[8+1]; // firmware revision
    char        model_num[40+1];   // model number 
    cyg_uint32  cylinders_num;     // number of cylinders         (CHS)
    cyg_uint32  heads_num;         // number of heads             (CHS)
    cyg_uint32  sectors_num;       // number of sectors per track (CHS)
    cyg_uint32  lba_sectors_num;   // total number of sectors in LBA mode
} cyg_disk_identify_t;

typedef struct {
    cyg_uint8  type;    // partition type
    cyg_uint8  state;   // state 0x00 - inactive, 0x80 - active
    cyg_uint32 start;   // first sector number
    cyg_uint32 end;     // last sector number
    cyg_uint32 size;    // size in sectors
} cyg_disk_partition_t;

typedef struct {
    cyg_disk_identify_t   ident;         // identify data
    cyg_disk_partition_t  partitions[4]; // partitions
    cyg_addrword_t        devs[4];       // device instances
    cyg_uint32            block_size;    // block size
    cyg_uint32            blocks_num;    // number of blocks on disk
    cyg_bool              connected;     // true if device connected
} cyg_disk_info_t;

#ifdef __cplusplus
}
#endif

#endif  /* CYGONCE_DISKIO_H */
/* EOF diskio.h */