After much delay and anticipation, welcome RAIDFrame into the FreeBSD

world.  This should be considered highly experimental.

Approved-by:	re

1 files changed, 75 insertions, 0 deletions

diff --git a/sys/dev/raidframe/rf_pqdeg.h b/sys/dev/raidframe/rf_pqdeg.h
new file mode 100644
index 0000000..83371e6
--- /dev/null
+++ b/sys/dev/raidframe/rf_pqdeg.h
@@ -0,0 +1,75 @@
+/*	$FreeBSD$ */
+/*	$NetBSD: rf_pqdeg.h,v 1.3 1999/02/05 00:06:15 oster Exp $	*/
+/*
+ * 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_PQDEG_H_
+#define _RF__RF_PQDEG_H_
+
+#include <dev/raidframe/rf_types.h>
+
+#if RF_UTILITY == 0
+#include <dev/raidframe/rf_dag.h>
+
+/* extern decl's of the failure mode PQ functions.
+ * See pddeg.c for nomenclature discussion.
+ */
+
+/* reads, single failure  */
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateReadDAG);
+/* reads, two failure */
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateReadDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateReadDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateReadDAG);
+
+/* writes, single failure */
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_100_CreateWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateSmallWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_010_CreateLargeWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateSmallWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_001_CreateLargeWriteDAG);
+
+/* writes, double failure */
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_011_CreateWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_110_CreateWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_101_CreateWriteDAG);
+RF_CREATE_DAG_FUNC_DECL(rf_PQ_200_CreateWriteDAG);
+#endif				/* RF_UTILITY == 0 */
+
+typedef RF_uint32 RF_ua32_t[32];
+typedef RF_uint8 RF_ua1024_t[1024];
+
+extern RF_ua32_t rf_rn;
+extern RF_ua32_t rf_qfor[32];
+#ifndef _KERNEL			/* we don't support PQ in the kernel yet, so
+				 * don't link in this monster table */
+extern RF_ua1024_t rf_qinv[29 * 29];
+#else				/* !_KERNEL */
+extern RF_ua1024_t rf_qinv[1];
+#endif				/* !_KERNEL */
+
+#endif				/* !_RF__RF_PQDEG_H_ */