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Diffstat (limited to 'include/asm-ia64/sn/sn_cpuid.h')
| -rw-r--r-- | include/asm-ia64/sn/sn_cpuid.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/include/asm-ia64/sn/sn_cpuid.h b/include/asm-ia64/sn/sn_cpuid.h deleted file mode 100644 index a676dd9ace3..00000000000 --- a/include/asm-ia64/sn/sn_cpuid.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * - * 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) 2000-2005 Silicon Graphics, Inc. All rights reserved. - */ - - -#ifndef _ASM_IA64_SN_SN_CPUID_H -#define _ASM_IA64_SN_SN_CPUID_H - -#include <linux/smp.h> -#include <asm/sn/addrs.h> -#include <asm/sn/pda.h> -#include <asm/intrinsics.h> - - -/* - * Functions for converting between cpuids, nodeids and NASIDs. - * - * These are for SGI platforms only. - * - */ - - - - -/* - * Definitions of terms (these definitions are for IA64 ONLY. Other architectures - * use cpuid/cpunum quite defferently): - * - * CPUID - a number in range of 0..NR_CPUS-1 that uniquely identifies - * the cpu. The value cpuid has no significance on IA64 other than - * the boot cpu is 0. - * smp_processor_id() returns the cpuid of the current cpu. - * - * CPU_PHYSICAL_ID (also known as HARD_PROCESSOR_ID) - * This is the same as 31:24 of the processor LID register - * hard_smp_processor_id()- cpu_physical_id of current processor - * cpu_physical_id(cpuid) - convert a <cpuid> to a <physical_cpuid> - * cpu_logical_id(phy_id) - convert a <physical_cpuid> to a <cpuid> - * * not real efficient - don't use in perf critical code - * - * SLICE - a number in the range of 0 - 3 (typically) that represents the - * cpu number on a brick. - * - * SUBNODE - (almost obsolete) the number of the FSB that a cpu is - * connected to. This is also the same as the PI number. Usually 0 or 1. - * - * NOTE!!!: the value of the bits in the cpu physical id (SAPICid or LID) of a cpu has no - * significance. The SAPIC id (LID) is a 16-bit cookie that has meaning only to the PROM. - * - * - * The macros convert between cpu physical ids & slice/nasid/cnodeid. - * These terms are described below: - * - * - * Brick - * ----- ----- ----- ----- CPU - * | 0 | | 1 | | 0 | | 1 | SLICE - * ----- ----- ----- ----- - * | | | | - * | | | | - * 0 | | 2 0 | | 2 FSB SLOT - * ------- ------- - * | | - * | | - * | | - * ------------ ------------- - * | | | | - * | SHUB | | SHUB | NASID (0..MAX_NASIDS) - * | |----- | | CNODEID (0..num_compact_nodes-1) - * | | | | - * | | | | - * ------------ ------------- - * | | - * - * - */ - -#define get_node_number(addr) NASID_GET(addr) - -/* - * NOTE: on non-MP systems, only cpuid 0 exists - */ - -extern short physical_node_map[]; /* indexed by nasid to get cnode */ - -/* - * Macros for retrieving info about current cpu - */ -#define get_nasid() (sn_nodepda->phys_cpuid[smp_processor_id()].nasid) -#define get_subnode() (sn_nodepda->phys_cpuid[smp_processor_id()].subnode) -#define get_slice() (sn_nodepda->phys_cpuid[smp_processor_id()].slice) -#define get_cnode() (sn_nodepda->phys_cpuid[smp_processor_id()].cnode) -#define get_sapicid() ((ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff) - -/* - * Macros for retrieving info about an arbitrary cpu - * cpuid - logical cpu id - */ -#define cpuid_to_nasid(cpuid) (sn_nodepda->phys_cpuid[cpuid].nasid) -#define cpuid_to_subnode(cpuid) (sn_nodepda->phys_cpuid[cpuid].subnode) -#define cpuid_to_slice(cpuid) (sn_nodepda->phys_cpuid[cpuid].slice) - - -/* - * Dont use the following in performance critical code. They require scans - * of potentially large tables. - */ -extern int nasid_slice_to_cpuid(int, int); - -/* - * cnodeid_to_nasid - convert a cnodeid to a NASID - */ -#define cnodeid_to_nasid(cnodeid) (sn_cnodeid_to_nasid[cnodeid]) - -/* - * nasid_to_cnodeid - convert a NASID to a cnodeid - */ -#define nasid_to_cnodeid(nasid) (physical_node_map[nasid]) - -/* - * partition_coherence_id - get the coherence ID of the current partition - */ -extern u8 sn_coherency_id; -#define partition_coherence_id() (sn_coherency_id) - -#endif /* _ASM_IA64_SN_SN_CPUID_H */ - |