xref: /netbsd-src/sys/dev/raidframe/rf_reconbuffer.h (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
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@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