diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
commit | 1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch) | |
tree | 1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /arch/mips/include/asm/sn/sn0/arch.h | |
parent | 69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/mips/include/asm/sn/sn0/arch.h')
-rw-r--r-- | arch/mips/include/asm/sn/sn0/arch.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/sn0/arch.h b/arch/mips/include/asm/sn/sn0/arch.h new file mode 100644 index 00000000000..f734f2007f2 --- /dev/null +++ b/arch/mips/include/asm/sn/sn0/arch.h @@ -0,0 +1,72 @@ +/* + * 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 + + +#ifndef SN0XXL /* 128 cpu SMP max */ +/* + * 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). + */ +#define MAX_COMPACT_NODES 64 + +/* + * 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 128 + +#else /* SN0XXL system */ + +#define MAX_COMPACT_NODES 128 +#define MAXCPUS 256 + +#endif /* SN0XXL */ + +/* + * 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 */ + +#define SLOT_SHIFT (27) +#define SLOT_MIN_MEM_SIZE (32*1024*1024) + +#define CPUS_PER_NODE 2 /* CPUs on a single hub */ +#define CPUS_PER_NODE_SHFT 1 /* Bits to shift in the node number */ +#define CPUS_PER_SUBNODE 2 /* CPUs on a single hub PI */ + +#endif /* _ASM_SN_SN0_ARCH_H */ |