diff options
Diffstat (limited to 'sys/dev/raidframe/rf_parityscan.h')
| -rw-r--r-- | sys/dev/raidframe/rf_parityscan.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_parityscan.h b/sys/dev/raidframe/rf_parityscan.h new file mode 100644 index 0000000..babca41 --- /dev/null +++ b/sys/dev/raidframe/rf_parityscan.h @@ -0,0 +1,67 @@ +/* $FreeBSD$ */ +/* $NetBSD: rf_parityscan.h,v 1.3 1999/02/05 00:06:14 oster Exp $ */ +/* + * Copyright (c) 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Mark Holland + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _RF__RF_PARITYSCAN_H_ +#define _RF__RF_PARITYSCAN_H_ + +#include <dev/raidframe/rf_types.h> +#include <dev/raidframe/rf_alloclist.h> + +int rf_RewriteParity(RF_Raid_t * raidPtr); +int +rf_VerifyParityBasic(RF_Raid_t * raidPtr, RF_RaidAddr_t raidAddr, + RF_PhysDiskAddr_t * parityPDA, int correct_it, RF_RaidAccessFlags_t flags); +int +rf_VerifyParity(RF_Raid_t * raidPtr, RF_AccessStripeMap_t * stripeMap, + int correct_it, RF_RaidAccessFlags_t flags); +int rf_TryToRedirectPDA(RF_Raid_t * raidPtr, RF_PhysDiskAddr_t * pda, int parity); +int rf_VerifyDegrModeWrite(RF_Raid_t * raidPtr, RF_AccessStripeMapHeader_t * asmh); +RF_DagHeader_t * +rf_MakeSimpleDAG(RF_Raid_t * raidPtr, int nNodes, + int bytesPerSU, char *databuf, + int (*doFunc) (RF_DagNode_t *), + int (*undoFunc) (RF_DagNode_t *), + char *name, RF_AllocListElem_t * alloclist, + RF_RaidAccessFlags_t flags, int priority); + +#define RF_DO_CORRECT_PARITY 1 +#define RF_DONT_CORRECT_PARITY 0 + +/* + * Return vals for VerifyParity operation + * + * Ordering is important here. + */ +#define RF_PARITY_OKAY 0 /* or no parity information */ +#define RF_PARITY_CORRECTED 1 +#define RF_PARITY_BAD 2 +#define RF_PARITY_COULD_NOT_CORRECT 3 +#define RF_PARITY_COULD_NOT_VERIFY 4 + +#endif /* !_RF__RF_PARITYSCAN_H_ */ |
