jdl@freescale.com | dd56fdf | 2005-09-07 15:59:48 -0500 | [diff] [blame] | 1 | #ifndef _ASM_POWERPC_TOPOLOGY_H |
| 2 | #define _ASM_POWERPC_TOPOLOGY_H |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 3 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | |
Jeremy Kerr | 953039c | 2006-05-01 12:16:12 -0700 | [diff] [blame] | 6 | struct sys_device; |
| 7 | struct device_node; |
| 8 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | #ifdef CONFIG_NUMA |
| 10 | |
jdl@freescale.com | dd56fdf | 2005-09-07 15:59:48 -0500 | [diff] [blame] | 11 | #include <asm/mmzone.h> |
| 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | static inline int cpu_to_node(int cpu) |
| 14 | { |
Anton Blanchard | 45fb6ce | 2005-11-11 14:22:35 +1100 | [diff] [blame] | 15 | return numa_cpu_lookup_table[cpu]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | } |
| 17 | |
| 18 | #define parent_node(node) (node) |
| 19 | |
| 20 | static inline cpumask_t node_to_cpumask(int node) |
| 21 | { |
| 22 | return numa_cpumask_lookup_table[node]; |
| 23 | } |
| 24 | |
| 25 | static inline int node_to_first_cpu(int node) |
| 26 | { |
| 27 | cpumask_t tmp; |
| 28 | tmp = node_to_cpumask(node); |
| 29 | return first_cpu(tmp); |
| 30 | } |
| 31 | |
Jeremy Kerr | 953039c | 2006-05-01 12:16:12 -0700 | [diff] [blame] | 32 | int of_node_to_nid(struct device_node *device); |
| 33 | |
Anton Blanchard | 357518f | 2006-06-10 20:53:06 +1000 | [diff] [blame] | 34 | struct pci_bus; |
| 35 | extern int pcibus_to_node(struct pci_bus *bus); |
| 36 | |
| 37 | #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ |
| 38 | CPU_MASK_ALL : \ |
| 39 | node_to_cpumask(pcibus_to_node(bus)) \ |
| 40 | ) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | /* sched_domains SD_NODE_INIT for PPC64 machines */ |
| 43 | #define SD_NODE_INIT (struct sched_domain) { \ |
| 44 | .span = CPU_MASK_NONE, \ |
| 45 | .parent = NULL, \ |
Siddha, Suresh B | 1a84887 | 2006-10-03 01:14:08 -0700 | [diff] [blame] | 46 | .child = NULL, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | .groups = NULL, \ |
| 48 | .min_interval = 8, \ |
| 49 | .max_interval = 32, \ |
| 50 | .busy_factor = 32, \ |
| 51 | .imbalance_pct = 125, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | .cache_nice_tries = 1, \ |
| 53 | .per_cpu_gain = 100, \ |
Nick Piggin | 5cfccd7 | 2005-11-16 23:37:53 +1100 | [diff] [blame] | 54 | .busy_idx = 3, \ |
Michael Ellerman | d2a3317 | 2005-11-17 20:34:35 +1100 | [diff] [blame] | 55 | .idle_idx = 1, \ |
Nick Piggin | 5cfccd7 | 2005-11-16 23:37:53 +1100 | [diff] [blame] | 56 | .newidle_idx = 2, \ |
| 57 | .wake_idx = 1, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | .flags = SD_LOAD_BALANCE \ |
| 59 | | SD_BALANCE_EXEC \ |
| 60 | | SD_BALANCE_NEWIDLE \ |
| 61 | | SD_WAKE_IDLE \ |
| 62 | | SD_WAKE_BALANCE, \ |
| 63 | .last_balance = jiffies, \ |
| 64 | .balance_interval = 1, \ |
| 65 | .nr_balance_failed = 0, \ |
| 66 | } |
| 67 | |
Anton Blanchard | 4b703a2 | 2005-12-13 06:56:47 +1100 | [diff] [blame] | 68 | extern void __init dump_numa_cpu_topology(void); |
| 69 | |
Jeremy Kerr | 953039c | 2006-05-01 12:16:12 -0700 | [diff] [blame] | 70 | extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); |
| 71 | extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); |
| 72 | |
Anton Blanchard | 561fb76 | 2005-08-01 21:11:46 -0700 | [diff] [blame] | 73 | #else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
Jeremy Kerr | 953039c | 2006-05-01 12:16:12 -0700 | [diff] [blame] | 75 | static inline int of_node_to_nid(struct device_node *device) |
| 76 | { |
| 77 | return 0; |
| 78 | } |
| 79 | |
Anton Blanchard | 4b703a2 | 2005-12-13 06:56:47 +1100 | [diff] [blame] | 80 | static inline void dump_numa_cpu_topology(void) {} |
| 81 | |
Jeremy Kerr | 953039c | 2006-05-01 12:16:12 -0700 | [diff] [blame] | 82 | static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) |
| 83 | { |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | static inline void sysfs_remove_device_from_node(struct sys_device *dev, |
| 88 | int nid) |
| 89 | { |
| 90 | } |
| 91 | |
| 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | #include <asm-generic/topology.h> |
| 94 | |
Anton Blanchard | 561fb76 | 2005-08-01 21:11:46 -0700 | [diff] [blame] | 95 | #endif /* CONFIG_NUMA */ |
| 96 | |
Siddha, Suresh B | 5c45bf2 | 2006-06-27 02:54:42 -0700 | [diff] [blame] | 97 | #ifdef CONFIG_SMP |
| 98 | #include <asm/cputable.h> |
Stephen Rothwell | 056f4fa | 2006-11-13 14:51:46 +1100 | [diff] [blame] | 99 | #define smt_capable() (cpu_has_feature(CPU_FTR_SMT)) |
| 100 | |
| 101 | #ifdef CONFIG_PPC64 |
| 102 | #include <asm/smp.h> |
| 103 | |
| 104 | #define topology_thread_siblings(cpu) (cpu_sibling_map[cpu]) |
| 105 | #endif |
Siddha, Suresh B | 5c45bf2 | 2006-06-27 02:54:42 -0700 | [diff] [blame] | 106 | #endif |
| 107 | |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 108 | #endif /* __KERNEL__ */ |
jdl@freescale.com | dd56fdf | 2005-09-07 15:59:48 -0500 | [diff] [blame] | 109 | #endif /* _ASM_POWERPC_TOPOLOGY_H */ |