sys/dev/raidframe/rf_reconbuffer.h

   1 /*      $NetBSD: rf_reconbuffer.h,v 1.5.6.4 2005/03/04 16:50:08 skrll Exp $     */
   2 /*
   3  * Copyright (c) 1995 Carnegie-Mellon University.
   4  * All rights reserved.
   5  *
   6  * Author: Mark Holland
   7  *
   8  * Permission to use, copy, modify and distribute this software and
   9  * its documentation is hereby granted, provided that both the copyright
  10  * notice and this permission notice appear in all copies of the
  11  * software, derivative works or modified versions, and any portions
  12  * thereof, and that both notices appear in supporting documentation.
  13  *
  14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  16  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  17  *
  18  * Carnegie Mellon requests users of this software to return to
  19  *
  20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  21  *  School of Computer Science
  22  *  Carnegie Mellon University
  23  *  Pittsburgh PA 15213-3890
  24  *
  25  * any improvements or extensions that they make and grant Carnegie the
  26  * rights to redistribute these changes.
  27  */
  28
  29 /*******************************************************************
  30  *
  31  * rf_reconbuffer.h -- header file for reconstruction buffer manager
  32  *
  33  *******************************************************************/
  34
  35 #ifndef _RF__RF_RECONBUFFER_H_
  36 #define _RF__RF_RECONBUFFER_H_
  37
  38 #include <dev/raidframe/raidframevar.h>
  39
  40 #include "rf_reconstruct.h"
  41
  42 int
  43 rf_SubmitReconBuffer(RF_ReconBuffer_t * rbuf, int keep_int,
  44     int use_committed);
  45 int
  46 rf_SubmitReconBufferBasic(RF_ReconBuffer_t * rbuf, int keep_int,
  47     int use_committed);
  48 int
  49 rf_MultiWayReconXor(RF_Raid_t * raidPtr,
  50     RF_ReconParityStripeStatus_t * pssPtr);
  51 RF_ReconBuffer_t *rf_GetFullReconBuffer(RF_ReconCtrl_t * reconCtrlPtr);
  52 int
  53 rf_CheckForFullRbuf(RF_Raid_t * raidPtr, RF_ReconCtrl_t * reconCtrl,
  54     RF_ReconParityStripeStatus_t * pssPtr, int numDataCol);
  55 void
  56 rf_ReleaseFloatingReconBuffer(RF_Raid_t * raidPtr, RF_ReconBuffer_t * rbuf);
  57
  58 #endif                          /* !_RF__RF_RECONBUFFER_H_ */