xref: /netbsd-src/sys/dev/raidframe/rf_dagffwr.h (revision b67baf4ca06533687b702c15b38477e8856cf0d9)
1 /*	$NetBSD: rf_dagffwr.h,v 1.8 2019/10/10 03:43:59 christos Exp $	*/
2 /*
3  * Copyright (c) 1995 Carnegie-Mellon University.
4  * All rights reserved.
5  *
6  * Author: Mark Holland, Daniel Stodolsky, William V. Courtright II
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 #ifndef _RF__RF_DAGFFWR_H_
30 #define _RF__RF_DAGFFWR_H_
31 
32 #include <dev/raidframe/raidframevar.h>
33 
34 /* fault-free write DAG creation routines */
35 void
36 rf_CreateNonRedundantWriteDAG(RF_Raid_t * raidPtr,
37     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
38     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
39     RF_IoType_t type);
40 void
41 rf_CreateRAID0WriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
42     RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
43     RF_AllocListElem_t * allocList, RF_IoType_t type);
44 void
45 rf_CreateSmallWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
46     RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
47     RF_AllocListElem_t * allocList);
48 void
49 rf_CreateLargeWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
50     RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
51     RF_AllocListElem_t * allocList);
52 void
53 rf_CommonCreateLargeWriteDAG(RF_Raid_t * raidPtr,
54     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
55     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults,
56     void (*redFunc) (RF_DagNode_t *), int allowBufferRecycle);
57 void    rf_CommonCreateLargeWriteDAGFwd(RF_Raid_t * raidPtr,
58     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
59     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList, int nfaults,
60     void (*redFunc) (RF_DagNode_t *), int allowBufferRecycle);
61 void    rf_CommonCreateSmallWriteDAG(RF_Raid_t * raidPtr,
62     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
63     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
64     const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
65 void    rf_CommonCreateSmallWriteDAGFwd(RF_Raid_t * raidPtr,
66     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
67     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList,
68             const RF_RedFuncs_t * pfuncs, const RF_RedFuncs_t * qfuncs);
69 void    rf_CreateRaidOneWriteDAG(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * asmap,
70     RF_DagHeader_t * dag_h, void *bp, RF_RaidAccessFlags_t flags,
71     RF_AllocListElem_t * allocList);
72 void    rf_CreateRaidOneWriteDAGFwd(RF_Raid_t * raidPtr,
73     RF_AccessStripeMap_t * asmap, RF_DagHeader_t * dag_h, void *bp,
74     RF_RaidAccessFlags_t flags, RF_AllocListElem_t * allocList);
75 
76 #endif				/* !_RF__RF_DAGFFWR_H_ */
77