Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_64_TOPOLOGY_H |
| 2 | #define _ASM_X86_64_TOPOLOGY_H |
| 3 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | |
Matt Tolentino | 2b97690 | 2005-06-23 00:08:06 -0700 | [diff] [blame] | 5 | #ifdef CONFIG_NUMA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
| 7 | #include <asm/mpspec.h> |
| 8 | #include <asm/bitops.h> |
| 9 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | extern cpumask_t cpu_online_map; |
| 11 | |
| 12 | extern unsigned char cpu_to_node[]; |
| 13 | extern cpumask_t node_to_cpumask[]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| 15 | #ifdef CONFIG_ACPI_NUMA |
| 16 | extern int __node_distance(int, int); |
| 17 | #define node_distance(a,b) __node_distance(a,b) |
| 18 | /* #else fallback version */ |
| 19 | #endif |
| 20 | |
| 21 | #define cpu_to_node(cpu) (cpu_to_node[cpu]) |
| 22 | #define parent_node(node) (node) |
Ravikiran G Thirumalai | c660439 | 2005-12-22 14:21:34 -0800 | [diff] [blame] | 23 | #define node_to_first_cpu(node) (first_cpu(node_to_cpumask[node])) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #define node_to_cpumask(node) (node_to_cpumask[node]) |
Muli Ben-Yehuda | 08f1c19 | 2007-07-22 00:23:39 +0300 | [diff] [blame] | 25 | #define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node |
Christoph Lameter | 8c5a090 | 2005-06-23 00:08:18 -0700 | [diff] [blame] | 26 | #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
Andi Kleen | 69d81fc | 2005-11-05 17:25:53 +0100 | [diff] [blame] | 28 | #define numa_node_id() read_pda(nodenumber) |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | /* sched_domains SD_NODE_INIT for x86_64 machines */ |
| 31 | #define SD_NODE_INIT (struct sched_domain) { \ |
| 32 | .span = CPU_MASK_NONE, \ |
| 33 | .parent = NULL, \ |
Siddha, Suresh B | 1a84887 | 2006-10-03 01:14:08 -0700 | [diff] [blame] | 34 | .child = NULL, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | .groups = NULL, \ |
| 36 | .min_interval = 8, \ |
| 37 | .max_interval = 32, \ |
| 38 | .busy_factor = 32, \ |
| 39 | .imbalance_pct = 125, \ |
Nick Piggin | 7897986 | 2005-06-25 14:57:13 -0700 | [diff] [blame] | 40 | .cache_nice_tries = 2, \ |
| 41 | .busy_idx = 3, \ |
| 42 | .idle_idx = 2, \ |
Nick Piggin | 687f166 | 2005-06-25 14:57:21 -0700 | [diff] [blame] | 43 | .newidle_idx = 0, \ |
Nick Piggin | 7897986 | 2005-06-25 14:57:13 -0700 | [diff] [blame] | 44 | .wake_idx = 1, \ |
Nick Piggin | 147cbb4 | 2005-06-25 14:57:19 -0700 | [diff] [blame] | 45 | .forkexec_idx = 1, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | .flags = SD_LOAD_BALANCE \ |
Nick Piggin | 147cbb4 | 2005-06-25 14:57:19 -0700 | [diff] [blame] | 47 | | SD_BALANCE_FORK \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | | SD_BALANCE_EXEC \ |
Christoph Lameter | 08c183f | 2006-12-10 02:20:29 -0800 | [diff] [blame] | 49 | | SD_SERIALIZE \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | | SD_WAKE_BALANCE, \ |
| 51 | .last_balance = jiffies, \ |
| 52 | .balance_interval = 1, \ |
| 53 | .nr_balance_failed = 0, \ |
| 54 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | #endif |
| 57 | |
Zhang, Yanmin | 69dcc99 | 2006-02-03 03:04:36 -0800 | [diff] [blame] | 58 | #ifdef CONFIG_SMP |
Mike Travis | 92cb761 | 2007-10-19 20:35:04 +0200 | [diff] [blame^] | 59 | #define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) |
| 60 | #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) |
Mike Travis | 0835761 | 2007-10-16 01:24:04 -0700 | [diff] [blame] | 61 | #define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) |
Mike Travis | d5a7430 | 2007-10-16 01:24:05 -0700 | [diff] [blame] | 62 | #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) |
Siddha, Suresh B | 5c45bf2 | 2006-06-27 02:54:42 -0700 | [diff] [blame] | 63 | #define mc_capable() (boot_cpu_data.x86_max_cores > 1) |
| 64 | #define smt_capable() (smp_num_siblings > 1) |
Zhang, Yanmin | 69dcc99 | 2006-02-03 03:04:36 -0800 | [diff] [blame] | 65 | #endif |
| 66 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #include <asm-generic/topology.h> |
| 68 | |
Siddha, Suresh B | 1e9f28f | 2006-03-27 01:15:22 -0800 | [diff] [blame] | 69 | extern cpumask_t cpu_coregroup_map(int cpu); |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #endif |