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/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 1999 Massimiliano Giorgi
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/*
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 * CVS :        $Id: bdevinit.h,v 1.2 2003-03-13 13:37:58 pj Exp $
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 *
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 * File:        $File$
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 * Revision:    $Revision: 1.2 $
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 * Last update: $Date: 2003-03-13 13:37:58 $
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 */
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#ifndef _HARTIK_BDEVINIT_H
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#define _HARTIK_BDEVINIT_H
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#include <kernel/model.h>
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#include <fs/types.h>
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#include <fs/const.h>
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#include <fs/bdevconf.h>
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#include <arch/sys/cdefs.h>
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__BEGIN_DECLS
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/* prolog */
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#define BASE_BDEV_START 0
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/*
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 * IDE
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 */
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#ifdef IDE_BLOCK_DEVICE
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typedef struct ide_parms {
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  void *parm_initserver;
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} IDE_PARMS;
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#define IDEPARMS(ptr) ((ptr)->ideparms)
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#define BASE_BDEV_IDE BASE_BDEV_START,{NULL}
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/*
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typedef struct ide_parms {
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  __uint8_t  pclass;
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  __uint32_t dline;
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  __uint32_t wcet;
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} IDE_PARMS;
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#define BASE_IDE {DEFAULT,DEFAULT,DEFAULT}
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#define ide_def_task(s,p,d,w)  {(s).pclass=(p); (s).dline=(d); (s).wcet=(w);}
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*/
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#else
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#define BASE_BDEV_IDE BASE_BDEV_START
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#endif
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/*
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 * LOOP
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 */
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#ifdef LOOP_BLOCK_DEVICE
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typedef struct loop_parms {
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  int dummy;
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} LOOP_PARMS;
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#define BASE_BDEV_LOOP BASE_BDEV_IDE,{0}
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#else
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#define BASE_BDEV_LOOP BASE_BDEV_IDE
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#endif
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/* epilog */
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#define BASE_BDEV_OPTIONAL BASE_BDEV_LOOP
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/*
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 * block device params structure
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 */
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extern NPP_mutexattr_t bdevdef_mutexattr;
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typedef struct bdev_parms {
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  __uint32_t showinfo:1;
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  char       *config;
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  void       *bmutexattr;
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  __uint16_t dummy;
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#ifdef IDE_BLOCK_DEVICE
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  IDE_PARMS ideparms;
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#endif
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#ifdef LOOP_BLOCK_DEVICE
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  LOOP_PARMS loopparms;
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#endif
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} BDEV_PARMS;
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#define bdev_def_showinfo(s,v) ((s).showinfo=(v)&1)
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#define bdev_def_configstring(s,v) ((s).config=(v))
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#define bdev_def_mutexattrptr(s,v) ((s).bmutexattr=(v))
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#define BASE_BDEV {0,NULL,(void*)&bdevdef_mutexattr,BASE_BDEV_OPTIONAL}
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/**/
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int bdev_init(BDEV_PARMS *);
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#ifdef IDE_BLOCK_DEVICE
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int ide_init(BDEV_PARMS *);
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#ifndef NDEBUG
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void ide_dump_status(void);
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#endif
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#endif
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#ifdef LOOP_BLOCK_DEVICE
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int loop_init(BDEV_PARMS *);
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#ifndef NDEBUG
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void loop_dump_status(void);
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#endif
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#endif
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/*+ find a device using its name +*/
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__dev_t bdev_find_byname(char *name);
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/*+ find a device using its filesystem indicator +*/
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__dev_t bdev_find_byfs(__uint8_t fsind);
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/*+ scan all devices present +*/
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int bdev_scan_devices(int(*callback)(__dev_t,__uint8_t));
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__END_DECLS
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#endif