xref: /netbsd/sys/dev/raidframe/rf_reconbuffer.h (revision bf9ec67e)
1 /*	$NetBSD: rf_reconbuffer.h,v 1.4 2001/10/04 15:58:55 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 <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_RowCol_t row,
57     RF_ReconBuffer_t * rbuf);
58 void
59 rf_ReleaseBufferWaiters(RF_Raid_t * raidPtr,
60     RF_ReconParityStripeStatus_t * pssPtr);
61 void    rf_ReleaseBufferWaiter(RF_ReconCtrl_t * rcPtr, RF_ReconBuffer_t * rbuf);
62 
63 #endif				/* !_RF__RF_RECONBUFFER_H_ */
64