ide_group.hxx

来自「C++ 编写的EROS RTOS」· HXX 代码 · 共 46 行

#ifndef __IDE_GROUP_HXX__
#define __IDE_GROUP_HXX__
/*
 * Copyright (C) 1998, 1999, Jonathan S. Shapiro.
 *
 * This file is part of the EROS Operating System.
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* This file requires #include <kerninc/IoRequest.hxx> */

#define HWIFS_PER_GROUP 2

struct ide_hwif;

struct ide_group {
  ide_hwif *hwif[2];		/* needed to disable all interrupts */
  uint8_t cur_hwif;		/* which hwif to do next request on */
  
  Request       *curReq;	/* request currently being processed */

  void StartIO();

  ide_group()
  {
    hwif[0] = 0;
    hwif[1] = 0;
    cur_hwif = 0;
    curReq = 0;
  }
} ;
#endif /* __IDE_GROUP_HXX__ */