Import of CMU's RAIDframe via NetBSD.

1 files changed, 80 insertions, 0 deletions

diff --git a/sys/dev/raidframe/rf_memchunk.h b/sys/dev/raidframe/rf_memchunk.h
new file mode 100644
index 00000000000..7d41f57eae5
--- /dev/null
+++ b/sys/dev/raidframe/rf_memchunk.h
@@ -0,0 +1,80 @@
+/*	$OpenBSD: rf_memchunk.h,v 1.1 1999/01/11 14:29:30 niklas Exp $	*/
+/*	$NetBSD: rf_memchunk.h,v 1.1 1998/11/13 04:20:31 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.
+ */
+
+/* header file for rf_memchunk.c.  See comments there */
+
+/* :  
+ * Log: rf_memchunk.h,v 
+ * Revision 1.8  1996/06/10 11:55:47  jimz
+ * Straightened out some per-array/not-per-array distinctions, fixed
+ * a couple bugs related to confusion. Added shutdown lists. Removed
+ * layout shutdown function (now subsumed by shutdown lists).
+ *
+ * Revision 1.7  1996/06/02  17:31:48  jimz
+ * Moved a lot of global stuff into array structure, where it belongs.
+ * Fixed up paritylogging, pss modules in this manner. Some general
+ * code cleanup. Removed lots of dead code, some dead files.
+ *
+ * Revision 1.6  1996/05/24  04:28:55  jimz
+ * release cleanup ckpt
+ *
+ * Revision 1.5  1996/05/23  21:46:35  jimz
+ * checkpoint in code cleanup (release prep)
+ * lots of types, function names have been fixed
+ *
+ * Revision 1.4  1996/05/23  00:33:23  jimz
+ * code cleanup: move all debug decls to rf_options.c, all extern
+ * debug decls to rf_options.h, all debug vars preceded by rf_
+ *
+ * Revision 1.3  1996/05/18  19:51:34  jimz
+ * major code cleanup- fix syntax, make some types consistent,
+ * add prototypes, clean out dead code, et cetera
+ *
+ * Revision 1.2  1995/12/01  19:25:56  root
+ * added copyright info
+ *
+ */
+
+#ifndef _RF__RF_MEMCHUNK_H_
+#define _RF__RF_MEMCHUNK_H_
+
+#include "rf_types.h"
+
+struct RF_ChunkDesc_s {
+  int              size;
+  int              reuse_count;
+  char            *buf;
+  RF_ChunkDesc_t  *next;
+};
+
+int rf_ConfigureMemChunk(RF_ShutdownList_t **listp);
+RF_ChunkDesc_t *rf_GetMemChunk(int size);
+void rf_ReleaseMemChunk(RF_ChunkDesc_t *chunk);
+
+#endif /* !_RF__RF_MEMCHUNK_H_ */