patch-2.4.19 linux-2.4.19/include/asm-ia64/sn/sn2/arch.h

• Lines: 67
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ia64/sn/sn2/arch.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ia64/sn/sn2/arch.h linux-2.4.19/include/asm-ia64/sn/sn2/arch.h
@@ -0,0 +1,66 @@
+/* $Id: arch.h,v 1.1 2002/02/28 17:31:25 marcelo Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef _ASM_IA64_SN_SN2_ARCH_H
+#define _ASM_IA64_SN_SN2_ARCH_H
+
+#include <asm/types.h>
+
+
+#define CPUS_PER_NODE           4       /* CPUs on a single hub */
+#define CPUS_PER_SUBNODE        4       /* CPUs on a single hub PI */
+
+
+/*
+ * This is the maximum number of NASIDS that can be present in a system.
+ * (Highest NASID plus one.)
+ */
+#define MAX_NASIDS              2048
+
+
+/*
+ * This is the maximum number of nodes that can be part of a kernel.
+ * Effectively, it's the maximum number of compact node ids (cnodeid_t).
+ * This is not necessarily the same as MAX_NASIDS.
+ */
+#define MAX_COMPACT_NODES       128
+
+/*
+ * MAX_REGIONS refers to the maximum number of hardware partitioned regions.
+ */
+#define	MAX_REGIONS		64
+#define MAX_NONPREMIUM_REGIONS  16
+#define MAX_PREMIUM_REGIONS     MAX_REGIONS
+
+
+/*
+ * MAX_PARITIONS refers to the maximum number of logically defined 
+ * partitions the system can support.
+ */
+#define MAX_PARTITIONS		MAX_REGIONS
+
+
+#define NASID_MASK_BYTES	((MAX_NASIDS + 7) / 8)
+
+
+/*
+ * 1 FSB per SHUB, with up to 4 cpus per FSB.
+ */
+#define NUM_SUBNODES	1
+#define SUBNODE_SHFT	0
+#define SUBNODE_MASK	(0x0 << SUBNODE_SHFT)
+#define LOCALCPU_SHFT	0
+#define LOCALCPU_MASK	(0x3 << LOCALCPU_SHFT)
+#define SUBNODE(slice)	(((slice) & SUBNODE_MASK) >> SUBNODE_SHFT)
+#define LOCALCPU(slice)	(((slice) & LOCALCPU_MASK) >> LOCALCPU_SHFT)
+#define TO_SLICE(subn, local)	(((subn) << SUBNODE_SHFT) | \
+				 ((local) << LOCALCPU_SHFT))
+
+typedef u64 mmr_t;
+
+#endif /* _ASM_IA64_SN_SN2_ARCH_H */