fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-x86_64 / topology.h

diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h
index dbc3f15..2facec5 100644 (file)
--- a/include/asm-x86_64/topology.h
+++ b/include/asm-x86_64/topology.h
@@ -1,36 +1,72 @@
 #ifndef _ASM_X86_64_TOPOLOGY_H
 #define _ASM_X86_64_TOPOLOGY_H
 
-#include <linux/config.h>
 
-#ifdef CONFIG_DISCONTIGMEM
+#ifdef CONFIG_NUMA
 
 #include <asm/mpspec.h>
 #include <asm/bitops.h>
 
-/* Map the K8 CPU local memory controllers to a simple 1:1 CPU:NODE topology */
-
 extern cpumask_t cpu_online_map;
 
 extern unsigned char cpu_to_node[];
 extern cpumask_t     node_to_cpumask[];
 
+#ifdef CONFIG_ACPI_NUMA
+extern int __node_distance(int, int);
+#define node_distance(a,b) __node_distance(a,b)
+/* #else fallback version */
+#endif
+
 #define cpu_to_node(cpu)               (cpu_to_node[cpu])
 #define parent_node(node)              (node)
-#define node_to_first_cpu(node)        (__ffs(node_to_cpumask[node]))
+#define node_to_first_cpu(node)        (first_cpu(node_to_cpumask[node]))
 #define node_to_cpumask(node)          (node_to_cpumask[node])
+#define pcibus_to_node(bus)            ((long)(bus->sysdata))  
+#define pcibus_to_cpumask(bus)         node_to_cpumask(pcibus_to_node(bus));
 
-static inline cpumask_t pcibus_to_cpumask(int bus)
-{
-       cpumask_t res;
-       cpus_and(res,  pci_bus_to_cpumask[bus], cpu_online_map);
-       return res;
+#define numa_node_id()                 read_pda(nodenumber)
+
+/* sched_domains SD_NODE_INIT for x86_64 machines */
+#define SD_NODE_INIT (struct sched_domain) {           \
+       .span                   = CPU_MASK_NONE,        \
+       .parent                 = NULL,                 \
+       .child                  = NULL,                 \
+       .groups                 = NULL,                 \
+       .min_interval           = 8,                    \
+       .max_interval           = 32,                   \
+       .busy_factor            = 32,                   \
+       .imbalance_pct          = 125,                  \
+       .cache_nice_tries       = 2,                    \
+       .busy_idx               = 3,                    \
+       .idle_idx               = 2,                    \
+       .newidle_idx            = 0,                    \
+       .wake_idx               = 1,                    \
+       .forkexec_idx           = 1,                    \
+       .per_cpu_gain           = 100,                  \
+       .flags                  = SD_LOAD_BALANCE       \
+                               | SD_BALANCE_FORK       \
+                               | SD_BALANCE_EXEC       \
+                               | SD_SERIALIZE          \
+                               | SD_WAKE_BALANCE,      \
+       .last_balance           = jiffies,              \
+       .balance_interval       = 1,                    \
+       .nr_balance_failed      = 0,                    \
 }
 
-#define NODE_BALANCE_RATE 30   /* CHECKME */ 
+#endif
 
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu)      (cpu_data[cpu].phys_proc_id)
+#define topology_core_id(cpu)                  (cpu_data[cpu].cpu_core_id)
+#define topology_core_siblings(cpu)            (cpu_core_map[cpu])
+#define topology_thread_siblings(cpu)          (cpu_sibling_map[cpu])
+#define mc_capable()                   (boot_cpu_data.x86_max_cores > 1)
+#define smt_capable()                  (smp_num_siblings > 1)
 #endif
 
 #include <asm-generic/topology.h>
 
+extern cpumask_t cpu_coregroup_map(int cpu);
+
 #endif