diff options
author | jdl@freescale.com <jdl@freescale.com> | 2005-09-07 15:59:48 -0500 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-09-09 22:11:35 +1000 |
commit | dd56fdf23dfa0127d512b73d4238dbd2b5a7c1eb (patch) | |
tree | 59f952b87d4bec5f11c578a384c3aaa2ddf5860d /include/asm-powerpc/topology.h | |
parent | 64807081e38703617cf9a5d71db14ea2b3e1cb04 (diff) |
[PATCH] powerpc: Merge a few more include files
Merge a few asm-ppc and asm-ppc64 header files.
Note: the merge of setup.h intentionally does not carry
forward the m68k cruft. That means this patch continues
to break the already broken amiga on the ppc32.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/topology.h')
-rw-r--r-- | include/asm-powerpc/topology.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h new file mode 100644 index 000000000000..2512e3836bf4 --- /dev/null +++ b/include/asm-powerpc/topology.h @@ -0,0 +1,70 @@ +#ifndef _ASM_POWERPC_TOPOLOGY_H +#define _ASM_POWERPC_TOPOLOGY_H + +#include <linux/config.h> + +#ifdef CONFIG_NUMA + +#include <asm/mmzone.h> + +static inline int cpu_to_node(int cpu) +{ + int node; + + node = numa_cpu_lookup_table[cpu]; + +#ifdef DEBUG_NUMA + BUG_ON(node == -1); +#endif + + return node; +} + +#define parent_node(node) (node) + +static inline cpumask_t node_to_cpumask(int node) +{ + return numa_cpumask_lookup_table[node]; +} + +static inline int node_to_first_cpu(int node) +{ + cpumask_t tmp; + tmp = node_to_cpumask(node); + return first_cpu(tmp); +} + +#define pcibus_to_node(node) (-1) +#define pcibus_to_cpumask(bus) (cpu_online_map) + +#define nr_cpus_node(node) (nr_cpus_in_node[node]) + +/* sched_domains SD_NODE_INIT for PPC64 machines */ +#define SD_NODE_INIT (struct sched_domain) { \ + .span = CPU_MASK_NONE, \ + .parent = NULL, \ + .groups = NULL, \ + .min_interval = 8, \ + .max_interval = 32, \ + .busy_factor = 32, \ + .imbalance_pct = 125, \ + .cache_hot_time = (10*1000000), \ + .cache_nice_tries = 1, \ + .per_cpu_gain = 100, \ + .flags = SD_LOAD_BALANCE \ + | SD_BALANCE_EXEC \ + | SD_BALANCE_NEWIDLE \ + | SD_WAKE_IDLE \ + | SD_WAKE_BALANCE, \ + .last_balance = jiffies, \ + .balance_interval = 1, \ + .nr_balance_failed = 0, \ +} + +#else + +#include <asm-generic/topology.h> + +#endif /* CONFIG_NUMA */ + +#endif /* _ASM_POWERPC_TOPOLOGY_H */ |