rf_map.h revision 1.9 
1/*	$NetBSD: rf_map.h,v 1.9 2004/03/07 05:01:15 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/* 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 */
40RF_AccessStripeMapHeader_t *rf_MapAccess(RF_Raid_t *, RF_RaidAddr_t,
41					 RF_SectorCount_t, caddr_t, int);
42void rf_MarkFailuresInASMList(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
43int rf_ConfigureMapModule(RF_ShutdownList_t **);
44RF_AccessStripeMapHeader_t *rf_AllocAccessStripeMapHeader(void);
45void rf_FreeAccessStripeMapHeader(RF_AccessStripeMapHeader_t *);
46RF_PhysDiskAddr_t *rf_AllocPhysDiskAddr(void);
47RF_PhysDiskAddr_t *rf_AllocPDAList(int);
48void rf_FreePhysDiskAddr(RF_PhysDiskAddr_t *);
49RF_AccessStripeMap_t *rf_AllocASMList(int);
50void rf_FreeAccessStripeMap(RF_AccessStripeMapHeader_t *);
51int rf_CheckStripeForFailures(RF_Raid_t *, RF_AccessStripeMap_t *);
52int rf_NumFailedDataUnitsInStripe(RF_Raid_t *, RF_AccessStripeMap_t *);
53void rf_PrintAccessStripeMap(RF_AccessStripeMapHeader_t *);
54void rf_PrintFullAccessStripeMap(RF_AccessStripeMapHeader_t *, int);
55void rf_PrintRaidAddressInfo(RF_Raid_t *, RF_RaidAddr_t, RF_SectorCount_t);
56void rf_ASMParityAdjust(RF_PhysDiskAddr_t *, RF_StripeNum_t, RF_SectorNum_t,
57			RF_RaidLayout_t *, RF_AccessStripeMap_t *);
58void rf_ASMCheckStatus(RF_Raid_t *, RF_PhysDiskAddr_t *, RF_AccessStripeMap_t *,
59		       RF_RaidDisk_t *, int);
60
61#endif				/* !_RF__RF_MAP_H_ */
62