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rf_reconbuffer.h revision 1.2 
      1 /*	$NetBSD: rf_reconbuffer.h,v 1.2 1999/01/26 02:34:01 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 rf_SubmitReconBuffer(RF_ReconBuffer_t *rbuf, int keep_int,
     42 	int use_committed);
     43 int rf_SubmitReconBufferBasic(RF_ReconBuffer_t *rbuf, int keep_int,
     44 	int use_committed);
     45 int rf_MultiWayReconXor(RF_Raid_t *raidPtr,
     46 	RF_ReconParityStripeStatus_t *pssPtr);
     47 RF_ReconBuffer_t *rf_GetFullReconBuffer(RF_ReconCtrl_t *reconCtrlPtr);
     48 int rf_CheckForFullRbuf(RF_Raid_t *raidPtr, RF_ReconCtrl_t *reconCtrl,
     49 	RF_ReconParityStripeStatus_t *pssPtr, int numDataCol);
     50 void rf_ReleaseFloatingReconBuffer(RF_Raid_t *raidPtr, RF_RowCol_t row,
     51 	RF_ReconBuffer_t *rbuf);
     52 void rf_ReleaseBufferWaiters(RF_Raid_t *raidPtr,
     53 	RF_ReconParityStripeStatus_t *pssPtr);
     54 void rf_ReleaseBufferWaiter(RF_ReconCtrl_t *rcPtr, RF_ReconBuffer_t *rbuf);
     55 
     56 #endif /* !_RF__RF_RECONBUFFER_H_ */
     57