Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (C) 2002, Erich Focht, NEC |
| 3 | * |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | */ |
| 11 | #ifndef _ASM_IA64_TOPOLOGY_H |
| 12 | #define _ASM_IA64_TOPOLOGY_H |
| 13 | |
| 14 | #include <asm/acpi.h> |
| 15 | #include <asm/numa.h> |
| 16 | #include <asm/smp.h> |
| 17 | |
| 18 | #ifdef CONFIG_NUMA |
Jack Steiner | 8d08aed | 2006-01-17 15:42:46 -0600 | [diff] [blame] | 19 | |
| 20 | /* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */ |
| 21 | #define PENALTY_FOR_NODE_WITH_CPUS 255 |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | /* |
Christoph Lameter | e5ecc19 | 2006-04-13 18:23:53 -0700 | [diff] [blame] | 24 | * Distance above which we begin to use zone reclaim |
| 25 | */ |
| 26 | #define RECLAIM_DISTANCE 15 |
| 27 | |
| 28 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | * Returns the number of the node containing CPU 'cpu' |
| 30 | */ |
| 31 | #define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu]) |
| 32 | |
| 33 | /* |
| 34 | * Returns a bitmask of CPUs on Node 'node'. |
| 35 | */ |
| 36 | #define node_to_cpumask(node) (node_to_cpu_mask[node]) |
Rusty Russell | fbb776c | 2008-12-26 22:23:40 +1030 | [diff] [blame] | 37 | #define cpumask_of_node(node) (&node_to_cpu_mask[node]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | /* |
| 40 | * Returns the number of the node containing Node 'nid'. |
| 41 | * Not implemented here. Multi-level hierarchies detected with |
| 42 | * the help of node_distance(). |
| 43 | */ |
| 44 | #define parent_node(nid) (nid) |
| 45 | |
| 46 | /* |
Christoph Lameter | 514604c | 2005-07-07 16:59:00 -0700 | [diff] [blame] | 47 | * Determines the node for a given pci bus |
| 48 | */ |
| 49 | #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node |
| 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | void build_cpu_to_node_map(void); |
| 52 | |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 53 | #define SD_CPU_INIT (struct sched_domain) { \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 54 | .parent = NULL, \ |
Siddha, Suresh B | 1a84887 | 2006-10-03 01:14:08 -0700 | [diff] [blame] | 55 | .child = NULL, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 56 | .groups = NULL, \ |
| 57 | .min_interval = 1, \ |
| 58 | .max_interval = 4, \ |
| 59 | .busy_factor = 64, \ |
| 60 | .imbalance_pct = 125, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 61 | .cache_nice_tries = 2, \ |
| 62 | .busy_idx = 2, \ |
| 63 | .idle_idx = 1, \ |
Mike Galbraith | 0ec9fab | 2009-09-15 15:07:03 +0200 | [diff] [blame] | 64 | .newidle_idx = 0, \ |
Peter Zijlstra | 78e7ed5 | 2009-09-03 13:16:51 +0200 | [diff] [blame] | 65 | .wake_idx = 0, \ |
Peter Zijlstra | b8a543e | 2009-09-15 15:22:03 +0200 | [diff] [blame^] | 66 | .forkexec_idx = 0, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 67 | .flags = SD_LOAD_BALANCE \ |
| 68 | | SD_BALANCE_NEWIDLE \ |
| 69 | | SD_BALANCE_EXEC \ |
Peter Zijlstra | 78e7ed5 | 2009-09-03 13:16:51 +0200 | [diff] [blame] | 70 | | SD_BALANCE_FORK \ |
Peter Zijlstra | c88d591 | 2009-09-10 13:50:02 +0200 | [diff] [blame] | 71 | | SD_BALANCE_WAKE \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 72 | | SD_WAKE_AFFINE, \ |
| 73 | .last_balance = jiffies, \ |
| 74 | .balance_interval = 1, \ |
| 75 | .nr_balance_failed = 0, \ |
| 76 | } |
| 77 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | /* sched_domains SD_NODE_INIT for IA64 NUMA machines */ |
| 79 | #define SD_NODE_INIT (struct sched_domain) { \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | .parent = NULL, \ |
Siddha, Suresh B | 1a84887 | 2006-10-03 01:14:08 -0700 | [diff] [blame] | 81 | .child = NULL, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | .groups = NULL, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 83 | .min_interval = 8, \ |
Mike Travis | c99dbbe | 2009-01-15 12:09:44 -0800 | [diff] [blame] | 84 | .max_interval = 8*(min(num_online_cpus(), 32U)), \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 85 | .busy_factor = 64, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | .imbalance_pct = 125, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 87 | .cache_nice_tries = 2, \ |
| 88 | .busy_idx = 3, \ |
| 89 | .idle_idx = 2, \ |
Mike Galbraith | 0ec9fab | 2009-09-15 15:07:03 +0200 | [diff] [blame] | 90 | .newidle_idx = 0, \ |
Peter Zijlstra | 78e7ed5 | 2009-09-03 13:16:51 +0200 | [diff] [blame] | 91 | .wake_idx = 0, \ |
Peter Zijlstra | b8a543e | 2009-09-15 15:22:03 +0200 | [diff] [blame^] | 92 | .forkexec_idx = 0, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | .flags = SD_LOAD_BALANCE \ |
Mike Galbraith | 0ec9fab | 2009-09-15 15:07:03 +0200 | [diff] [blame] | 94 | | SD_BALANCE_NEWIDLE \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | | SD_BALANCE_EXEC \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 96 | | SD_BALANCE_FORK \ |
Peter Zijlstra | c88d591 | 2009-09-10 13:50:02 +0200 | [diff] [blame] | 97 | | SD_BALANCE_WAKE \ |
| 98 | | SD_SERIALIZE, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | .last_balance = jiffies, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 100 | .balance_interval = 64, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | .nr_balance_failed = 0, \ |
| 102 | } |
| 103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | #endif /* CONFIG_NUMA */ |
| 105 | |
Zhang, Yanmin | 69dcc99 | 2006-02-03 03:04:36 -0800 | [diff] [blame] | 106 | #ifdef CONFIG_SMP |
| 107 | #define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id) |
| 108 | #define topology_core_id(cpu) (cpu_data(cpu)->core_id) |
| 109 | #define topology_core_siblings(cpu) (cpu_core_map[cpu]) |
Mike Travis | d5a7430 | 2007-10-16 01:24:05 -0700 | [diff] [blame] | 110 | #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) |
Rusty Russell | 333af15 | 2009-01-01 10:12:21 +1030 | [diff] [blame] | 111 | #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) |
| 112 | #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) |
Siddha, Suresh B | 5c45bf2 | 2006-06-27 02:54:42 -0700 | [diff] [blame] | 113 | #define smt_capable() (smp_num_siblings > 1) |
Zhang, Yanmin | 69dcc99 | 2006-02-03 03:04:36 -0800 | [diff] [blame] | 114 | #endif |
| 115 | |
Alex Chiang | fe086a7 | 2008-04-29 15:05:29 -0700 | [diff] [blame] | 116 | extern void arch_fix_phys_package_id(int num, u32 slot); |
| 117 | |
Rusty Russell | fbb776c | 2008-12-26 22:23:40 +1030 | [diff] [blame] | 118 | #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
| 119 | cpu_all_mask : \ |
Ingo Molnar | 36c401a | 2009-01-06 16:19:22 +0100 | [diff] [blame] | 120 | cpumask_of_node(pcibus_to_node(bus))) |
Rusty Russell | fbb776c | 2008-12-26 22:23:40 +1030 | [diff] [blame] | 121 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | #include <asm-generic/topology.h> |
| 123 | |
| 124 | #endif /* _ASM_IA64_TOPOLOGY_H */ |