/* * 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. * * SGI IP27 specific setup. * * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc. * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
*/ #ifndef _ASM_SN_SN0_ARCH_H #define _ASM_SN_SN0_ARCH_H
/* * MAXCPUS refers to the maximum number of CPUs in a single kernel. * This is not necessarily the same as MAXNODES * CPUS_PER_NODE
*/ #define MAXCPUS (MAX_NUMNODES * CPUS_PER_NODE)
/* * This is the maximum number of NASIDS that can be present in a system. * (Highest NASID plus one.)
*/ #define MAX_NASIDS 256
/* * 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)
/* * Slot constants for SN0
*/ #ifdef CONFIG_SGI_SN_N_MODE #define MAX_MEM_SLOTS 16 /* max slots per node */ #else/* !CONFIG_SGI_SN_N_MODE, assume CONFIG_SGI_SN_M_MODE */ #define MAX_MEM_SLOTS 32 /* max slots per node */ #endif/* CONFIG_SGI_SN_M_MODE */
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