include/ata.h

   1 /*
   2  * Copyright (C) 2009 Juergen Beisert, Pengutronix
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  *
  19  */
  20
  21 /**
  22  * @file
  23  * @brief Declarations to communicate with ATA types of drives
  24  */
  25
  26 #include <types.h>
  27 #include <driver.h>
  28
  29 /**
  30  * Access functions from drives through the specified interface
  31  */
  32 struct ata_interface {
  33         /** write a count of sectors from a buffer to the drive */
  34         int (*write)(struct device_d*, uint64_t, unsigned, const void*);
  35         /** read a count of sectors from the drive into the buffer */
  36         int (*read)(struct device_d*, uint64_t, unsigned, void*);
  37         /** private interface data */
  38         void *priv;
  39 };