xref: /netbsd/sys/dev/raidframe/rf_map.h (revision 6550d01e)
1 /*	$NetBSD: rf_map.h,v 1.13 2007/03/04 06:02:38 christos 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 /* rf_map.h */
30 
31 #ifndef _RF__RF_MAP_H_
32 #define _RF__RF_MAP_H_
33 
34 #include <dev/raidframe/raidframevar.h>
35 
36 #include "rf_alloclist.h"
37 #include "rf_raid.h"
38 
39 /* mapping structure allocation and free routines */
40 RF_AccessStripeMapHeader_t *rf_MapAccess(RF_Raid_t *, RF_RaidAddr_t,
41 					 RF_SectorCount_t, void *, int);
42 void rf_MarkFailuresInASMList(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
43 int rf_ConfigureMapModule(RF_ShutdownList_t **);
44 RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
45 void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t *);
46 RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
47 RF_PhysDiskAddr_t *rf_AllocPDAList(int);
48 void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t *);
49 RF_AccessStripeMap_t *rf_AllocASMList(int);
50 void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t *);
51 int rf_CheckStripeForFailures(RF_Raid_t *, RF_AccessStripeMap_t *);
52 int rf_NumFailedDataUnitsInStripe(RF_Raid_t *, RF_AccessStripeMap_t *);
53 void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t *);
54 void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t *, int);
55 void rf_PrintRaidAddressInfo(RF_Raid_t *, RF_RaidAddr_t, RF_SectorCount_t);
56 void rf_ASMParityAdjust(RF_PhysDiskAddr_t *, RF_StripeNum_t, RF_SectorNum_t,
57 			RF_RaidLayout_t *, RF_AccessStripeMap_t *);
58 void rf_ASMCheckStatus(RF_Raid_t *, RF_PhysDiskAddr_t *, RF_AccessStripeMap_t *,
59 		       RF_RaidDisk_t *, int);
60 
61 RF_VoidFunctionPointerListElem_t *rf_AllocVFPListElem(void);
62 void rf_FreeVFPListElem(RF_VoidFunctionPointerListElem_t *);
63 RF_VoidPointerListElem_t *rf_AllocVPListElem(void);
64 void rf_FreeVPListElem(RF_VoidPointerListElem_t *);
65 RF_ASMHeaderListElem_t *rf_AllocASMHeaderListElem(void);
66 void rf_FreeASMHeaderListElem(RF_ASMHeaderListElem_t *);
67 RF_FailedStripe_t *rf_AllocFailedStripeStruct(void);
68 void rf_FreeFailedStripeStruct(RF_FailedStripe_t *);
69 
70 #endif				/* !_RF__RF_MAP_H_ */
71