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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) 1999,2000 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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#ifndef __PSCAN_H
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#define __PSCAN_H
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#include "phdsk.h"
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#include "glue.h"
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/* must be in sync with <modules/bd_pscan.h> */
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#define NUMPRIORITY 4
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typedef struct TAGpscan_queue_t {
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  struct phdskinfo          *disk;
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  /**/
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  __b_fastmutex_t           mutex;
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  int                       counter;
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  int                       actprior;
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  struct pscan_queues{
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    int                     dir;  
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    struct request_prologue *queue[2];
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  } pri[NUMPRIORITY];
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} pscan_queue_t;
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struct request_specific {
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  void *next;
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};
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#define bqueue_t pscan_queue_t
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#define bqueue_init            pscan_init
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#define bqueue_numelements     pscan_numelements 
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#define bqueue_insertrequest   pscan_insertrequest
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#define bqueue_getrequest      pscan_getrequest
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#define bqueue_removerequest   pscan_removerequest
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#endif