diff options
Diffstat (limited to 'include/asm-x86/topology_64.h')
-rw-r--r-- | include/asm-x86/topology_64.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-x86/topology_64.h b/include/asm-x86/topology_64.h new file mode 100644 index 000000000000..36e52fba7960 --- /dev/null +++ b/include/asm-x86/topology_64.h | |||
@@ -0,0 +1,71 @@ | |||
1 | #ifndef _ASM_X86_64_TOPOLOGY_H | ||
2 | #define _ASM_X86_64_TOPOLOGY_H | ||
3 | |||
4 | |||
5 | #ifdef CONFIG_NUMA | ||
6 | |||
7 | #include <asm/mpspec.h> | ||
8 | #include <asm/bitops.h> | ||
9 | |||
10 | extern cpumask_t cpu_online_map; | ||
11 | |||
12 | extern unsigned char cpu_to_node[]; | ||
13 | extern cpumask_t node_to_cpumask[]; | ||
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) | ||
23 | #define node_to_first_cpu(node) (first_cpu(node_to_cpumask[node])) | ||
24 | #define node_to_cpumask(node) (node_to_cpumask[node]) | ||
25 | #define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node | ||
26 | #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); | ||
27 | |||
28 | #define numa_node_id() read_pda(nodenumber) | ||
29 | |||
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, \ | ||
34 | .child = NULL, \ | ||
35 | .groups = NULL, \ | ||
36 | .min_interval = 8, \ | ||
37 | .max_interval = 32, \ | ||
38 | .busy_factor = 32, \ | ||
39 | .imbalance_pct = 125, \ | ||
40 | .cache_nice_tries = 2, \ | ||
41 | .busy_idx = 3, \ | ||
42 | .idle_idx = 2, \ | ||
43 | .newidle_idx = 0, \ | ||
44 | .wake_idx = 1, \ | ||
45 | .forkexec_idx = 1, \ | ||
46 | .flags = SD_LOAD_BALANCE \ | ||
47 | | SD_BALANCE_FORK \ | ||
48 | | SD_BALANCE_EXEC \ | ||
49 | | SD_SERIALIZE \ | ||
50 | | SD_WAKE_BALANCE, \ | ||
51 | .last_balance = jiffies, \ | ||
52 | .balance_interval = 1, \ | ||
53 | .nr_balance_failed = 0, \ | ||
54 | } | ||
55 | |||
56 | #endif | ||
57 | |||
58 | #ifdef CONFIG_SMP | ||
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) | ||
61 | #define topology_core_siblings(cpu) (cpu_core_map[cpu]) | ||
62 | #define topology_thread_siblings(cpu) (cpu_sibling_map[cpu]) | ||
63 | #define mc_capable() (boot_cpu_data.x86_max_cores > 1) | ||
64 | #define smt_capable() (smp_num_siblings > 1) | ||
65 | #endif | ||
66 | |||
67 | #include <asm-generic/topology.h> | ||
68 | |||
69 | extern cpumask_t cpu_coregroup_map(int cpu); | ||
70 | |||
71 | #endif | ||