projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/include/asm-ia64/topology.h | |
| 3 | * | |
| 4 | * Copyright (C) 2002, Erich Focht, NEC | |
| 5 | * | |
| 6 | * All rights reserved. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License as published by | |
| 10 | * the Free Software Foundation; either version 2 of the License, or | |
| 11 | * (at your option) any later version. | |
| 12 | */ | |
| 13 | #ifndef _ASM_IA64_TOPOLOGY_H | |
| 14 | #define _ASM_IA64_TOPOLOGY_H | |
| 15 | ||
| 16 | #include <asm/acpi.h> | |
| 17 | #include <asm/numa.h> | |
| 18 | #include <asm/smp.h> | |
| 19 | ||
| 20 | #ifdef CONFIG_NUMA | |
| 21 | /* | |
| 22 | * Returns the number of the node containing CPU 'cpu' | |
| 23 | */ | |
| 24 | #define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu]) | |
| 25 | ||
| 26 | /* | |
| 27 | * Returns a bitmask of CPUs on Node 'node'. | |
| 28 | */ | |
| 29 | #define node_to_cpumask(node) (node_to_cpu_mask[node]) | |
| 30 | ||
| 31 | /* | |
| 32 | * Returns the number of the node containing Node 'nid'. | |
| 33 | * Not implemented here. Multi-level hierarchies detected with | |
| 34 | * the help of node_distance(). | |
| 35 | */ | |
| 36 | #define parent_node(nid) (nid) | |
| 37 | ||
| 38 | /* | |
| 39 | * Returns the number of the first CPU on Node 'node'. | |
| 40 | */ | |
| c660439b | 41 | #define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node))) |
| 1da177e4 | 42 | |
| 514604c6 CL |
43 | /* |
| 44 | * Determines the node for a given pci bus | |
| 45 | */ | |
| 46 | #define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node | |
| 47 | ||
| 1da177e4 LT |
48 | void build_cpu_to_node_map(void); |
| 49 | ||
| 687f1661 NP |
50 | #define SD_CPU_INIT (struct sched_domain) { \ |
| 51 | .span = CPU_MASK_NONE, \ | |
| 52 | .parent = NULL, \ | |
| 53 | .groups = NULL, \ | |
| 54 | .min_interval = 1, \ | |
| 55 | .max_interval = 4, \ | |
| 56 | .busy_factor = 64, \ | |
| 57 | .imbalance_pct = 125, \ | |
| 687f1661 NP |
58 | .per_cpu_gain = 100, \ |
| 59 | .cache_nice_tries = 2, \ | |
| 60 | .busy_idx = 2, \ | |
| 61 | .idle_idx = 1, \ | |
| 62 | .newidle_idx = 2, \ | |
| 63 | .wake_idx = 1, \ | |
| 64 | .forkexec_idx = 1, \ | |
| 65 | .flags = SD_LOAD_BALANCE \ | |
| 66 | | SD_BALANCE_NEWIDLE \ | |
| 67 | | SD_BALANCE_EXEC \ | |
| 68 | | SD_WAKE_AFFINE, \ | |
| 69 | .last_balance = jiffies, \ | |
| 70 | .balance_interval = 1, \ | |
| 71 | .nr_balance_failed = 0, \ | |
| 72 | } | |
| 73 | ||
| 1da177e4 LT |
74 | /* sched_domains SD_NODE_INIT for IA64 NUMA machines */ |
| 75 | #define SD_NODE_INIT (struct sched_domain) { \ | |
| 76 | .span = CPU_MASK_NONE, \ | |
| 77 | .parent = NULL, \ | |
| 78 | .groups = NULL, \ | |
| 687f1661 NP |
79 | .min_interval = 8, \ |
| 80 | .max_interval = 8*(min(num_online_cpus(), 32)), \ | |
| 81 | .busy_factor = 64, \ | |
| 1da177e4 | 82 | .imbalance_pct = 125, \ |
| 687f1661 NP |
83 | .cache_nice_tries = 2, \ |
| 84 | .busy_idx = 3, \ | |
| 85 | .idle_idx = 2, \ | |
| 86 | .newidle_idx = 0, /* unused */ \ | |
| 87 | .wake_idx = 1, \ | |
| 88 | .forkexec_idx = 1, \ | |
| 1da177e4 LT |
89 | .per_cpu_gain = 100, \ |
| 90 | .flags = SD_LOAD_BALANCE \ | |
| 91 | | SD_BALANCE_EXEC \ | |
| 687f1661 | 92 | | SD_BALANCE_FORK \ |
| 1da177e4 LT |
93 | | SD_WAKE_BALANCE, \ |
| 94 | .last_balance = jiffies, \ | |
| 687f1661 | 95 | .balance_interval = 64, \ |
| 1da177e4 LT |
96 | .nr_balance_failed = 0, \ |
| 97 | } | |
| 98 | ||
| 1da177e4 LT |
99 | #endif /* CONFIG_NUMA */ |
| 100 | ||
| 101 | #include <asm-generic/topology.h> | |
| 102 | ||
| 103 | #endif /* _ASM_IA64_TOPOLOGY_H */ |