Import of CMU's RAIDframe via NetBSD.

1 files changed, 81 insertions, 0 deletions

diff --git a/sys/dev/raidframe/rf_dagdegwr.h b/sys/dev/raidframe/rf_dagdegwr.h
new file mode 100644
index 00000000000..180c5f75668
--- /dev/null
+++ b/sys/dev/raidframe/rf_dagdegwr.h
@@ -0,0 +1,81 @@
+/*	$OpenBSD: rf_dagdegwr.h,v 1.1 1999/01/11 14:29:08 niklas Exp $	*/
+/*	$NetBSD: rf_dagdegwr.h,v 1.1 1998/11/13 04:20:27 oster Exp $	*/
+/*
+ * Copyright (c) 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Mark Holland, Daniel Stodolsky, William V. Courtright II
+ *
+ * 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.
+ */
+
+/* 
+ * :  
+ * Log: rf_dagdegwr.h,v 
+ * Revision 1.6  1996/07/31 16:30:28  jimz
+ * asm/asmap fix (EO merge)
+ *
+ * Revision 1.5  1996/07/31  15:35:38  jimz
+ * evenodd changes; bugfixes for double-degraded archs, generalize
+ * some formerly PQ-only functions
+ *
+ * Revision 1.4  1996/07/22  19:52:16  jimz
+ * switched node params to RF_DagParam_t, a union of
+ * a 64-bit int and a void *, for better portability
+ * attempted hpux port, but failed partway through for
+ * lack of a single C compiler capable of compiling all
+ * source files
+ *
+ * Revision 1.3  1996/05/24  22:17:04  jimz
+ * continue code + namespace cleanup
+ * typed a bunch of flags
+ *
+ * Revision 1.2  1996/05/23  21:46:35  jimz
+ * checkpoint in code cleanup (release prep)
+ * lots of types, function names have been fixed
+ *
+ * Revision 1.1  1996/05/03  19:21:28  wvcii
+ * Initial revision
+ *
+ */
+
+#ifndef _RF__RF_DAGDEGWR_H_
+#define _RF__RF_DAGDEGWR_H_
+
+/* degraded write DAG creation routines */
+void rf_CreateDegradedWriteDAG(RF_Raid_t *raidPtr,
+	RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
+	RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList);
+void rf_CommonCreateSimpleDegradedWriteDAG(RF_Raid_t *raidPtr,
+	RF_AccessStripeMap_t *asmap, RF_DagHeader_t *dag_h, void *bp,
+	RF_RaidAccessFlags_t flags, RF_AllocListElem_t *allocList,
+	int nfaults, int (*redFunc)(RF_DagNode_t *), int allowBufferRecycle);
+void rf_WriteGenerateFailedAccessASMs(RF_Raid_t *raidPtr,
+	RF_AccessStripeMap_t *asmap, RF_PhysDiskAddr_t **pdap,
+	int *nNodep, RF_PhysDiskAddr_t **pqpdap,
+	int *nPQNodep, RF_AllocListElem_t *allocList);
+void rf_DoubleDegSmallWrite(RF_Raid_t *raidPtr, RF_AccessStripeMap_t *asmap,
+	RF_DagHeader_t *dag_h, void *bp, RF_RaidAccessFlags_t flags,
+	RF_AllocListElem_t *allocList, char *redundantReadNodeName,
+	char *redundantWriteNodeName, char *recoveryNodeName,
+	int (*recovFunc)(RF_DagNode_t *));
+
+#endif /* !_RF__RF_DAGDEGWR_H_ */