arch.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /* $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 */