63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* $NetBSD: rf_parityscan.h,v 1.9 2019/10/10 03:43:59 christos 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/raidframevar.h>
|
|
|
|
#include "rf_alloclist.h"
|
|
|
|
int rf_RewriteParity(RF_Raid_t *);
|
|
int rf_RewriteParityRange(RF_Raid_t *, RF_SectorNum_t, RF_SectorNum_t);
|
|
int rf_VerifyParityBasic(RF_Raid_t *, RF_RaidAddr_t, RF_PhysDiskAddr_t *,
|
|
int, RF_RaidAccessFlags_t);
|
|
int rf_VerifyParity(RF_Raid_t *, RF_AccessStripeMap_t *, int,
|
|
RF_RaidAccessFlags_t);
|
|
int rf_TryToRedirectPDA(RF_Raid_t *, RF_PhysDiskAddr_t *, int);
|
|
int rf_VerifyDegrModeWrite(RF_Raid_t *, RF_AccessStripeMapHeader_t *);
|
|
RF_DagHeader_t *rf_MakeSimpleDAG(RF_Raid_t *, int, int, char *,
|
|
void (*)(RF_DagNode_t *), void (*) (RF_DagNode_t *), const char *,
|
|
RF_AllocListElem_t *, RF_RaidAccessFlags_t, int);
|
|
|
|
#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_ */
|