1 files changed, 75 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_pq.h b/sys/dev/raidframe/rf_pq.h
new file mode 100644
index 0000000..9a2ce23
--- /dev/null
+++ b/sys/dev/raidframe/rf_pq.h
@@ -0,0 +1,75 @@
+/*	$FreeBSD$ */
+/*	$NetBSD: rf_pq.h,v 1.3 1999/02/05 00:06:15 oster Exp $	*/
+/*
+ * rf_pq.h
+ */
+/*
+ * Copyright (c) 1995 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Daniel Stodolsky
+ *
+ * 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_PQ_H_
+#define _RF__RF_PQ_H_
+
+#include <dev/raidframe/rf_archs.h>
+
+extern RF_RedFuncs_t rf_pFuncs;
+extern RF_RedFuncs_t rf_pRecoveryFuncs;
+
+int     rf_RegularONPFunc(RF_DagNode_t * node);
+int     rf_SimpleONPFunc(RF_DagNode_t * node);
+int     rf_RecoveryPFunc(RF_DagNode_t * node);
+int     rf_RegularPFunc(RF_DagNode_t * node);
+
+#if (RF_INCLUDE_DECL_PQ > 0) || (RF_INCLUDE_RAID6 > 0)
+
+extern RF_RedFuncs_t rf_qFuncs;
+extern RF_RedFuncs_t rf_qRecoveryFuncs;
+extern RF_RedFuncs_t rf_pqRecoveryFuncs;
+
+void 
+rf_PQDagSelect(RF_Raid_t * raidPtr, RF_IoType_t type,
+    RF_AccessStripeMap_t * asmap, RF_VoidFuncPtr * createFunc);
+RF_CREATE_DAG_FUNC_DECL(rf_PQCreateLargeWriteDAG);
+int     rf_RegularONQFunc(RF_DagNode_t * node);
+int     rf_SimpleONQFunc(RF_DagNode_t * node);
+RF_CREATE_DAG_FUNC_DECL(rf_PQCreateSmallWriteDAG);
+int     rf_RegularPQFunc(RF_DagNode_t * node);
+int     rf_RegularQFunc(RF_DagNode_t * node);
+void    rf_Degraded_100_PQFunc(RF_DagNode_t * node);
+int     rf_RecoveryQFunc(RF_DagNode_t * node);
+int     rf_RecoveryPQFunc(RF_DagNode_t * node);
+void    rf_PQ_DegradedWriteQFunc(RF_DagNode_t * node);
+void 
+rf_IncQ(unsigned long *dest, unsigned long *buf, unsigned length,
+    unsigned coeff);
+void 
+rf_PQ_recover(unsigned long *pbuf, unsigned long *qbuf, unsigned long *abuf,
+    unsigned long *bbuf, unsigned length, unsigned coeff_a, unsigned coeff_b);
+
+#endif				/* (RF_INCLUDE_DECL_PQ > 0) ||
+				 * (RF_INCLUDE_RAID6 > 0) */
+
+#endif				/* !_RF__RF_PQ_H_ */