After much delay and anticipation, welcome RAIDFrame into the FreeBSD

world.  This should be considered highly experimental.

Approved-by:	re

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_ */