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rf_reconbuffer.h revision 1.3 
      1 /*	$NetBSD: rf_reconbuffer.h,v 1.3 1999/02/05 00:06:16 oster 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 (at) 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 "rf_types.h"
     39 #include "rf_reconstruct.h"
     40 
     41 int
     42 rf_SubmitReconBuffer(RF_ReconBuffer_t * rbuf, int keep_int,
     43     int use_committed);
     44 int
     45 rf_SubmitReconBufferBasic(RF_ReconBuffer_t * rbuf, int keep_int,
     46     int use_committed);
     47 int
     48 rf_MultiWayReconXor(RF_Raid_t * raidPtr,
     49     RF_ReconParityStripeStatus_t * pssPtr);
     50 RF_ReconBuffer_t *rf_GetFullReconBuffer(RF_ReconCtrl_t * reconCtrlPtr);
     51 int
     52 rf_CheckForFullRbuf(RF_Raid_t * raidPtr, RF_ReconCtrl_t * reconCtrl,
     53     RF_ReconParityStripeStatus_t * pssPtr, int numDataCol);
     54 void
     55 rf_ReleaseFloatingReconBuffer(RF_Raid_t * raidPtr, RF_RowCol_t row,
     56     RF_ReconBuffer_t * rbuf);
     57 void
     58 rf_ReleaseBufferWaiters(RF_Raid_t * raidPtr,
     59     RF_ReconParityStripeStatus_t * pssPtr);
     60 void    rf_ReleaseBufferWaiter(RF_ReconCtrl_t * rcPtr, RF_ReconBuffer_t * rbuf);
     61 
     62 #endif				/* !_RF__RF_RECONBUFFER_H_ */
     63