cpu_topology.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 #ifndef _CPU_TOPOLOGY_H_
    2 #define _CPU_TOPOLOGY_H_
    3 
    4 #ifdef _KERNEL
    5 
    6 /* CPU TOPOLOGY DATA AND FUNCTIONS */
    7 struct cpu_node {
    8         struct cpu_node * parent_node;
    9         struct cpu_node * child_node;
   10         uint32_t child_no;
   11         cpumask_t members;
   12         uint8_t type;
   13 };
   14 typedef struct cpu_node cpu_node_t;
   15 
   16 extern int cpu_topology_levels_number;
   17 extern cpu_node_t *root_cpu_node;
   18 
   19 cpumask_t get_cpumask_from_level(int cpuid, uint8_t level_type);
   20 cpu_node_t *get_cpu_node_by_cpuid(int cpuid);
   21 
   22 #define LEVEL_NO 4
   23 
   24 /* Level type for CPU siblings */
   25 #define PACKAGE_LEVEL   1
   26 #define CHIP_LEVEL      2
   27 #define CORE_LEVEL      3
   28 #define THREAD_LEVEL    4
   29 
   30 #define CPU_ISSET(n, p) ((CPUMASK(n) & p) != 0)
   31 
   32 #define CPUSET_FOREACH(cpu, mask)                       \
   33         for ((cpu) = 0; (cpu) < ncpus; (cpu)++)         \
   34                 if (CPU_ISSET(cpu, mask))
   35 
   36 
   37 #endif /* _KERNEL */
   38 #endif /* _CPU_TOPOLOGY_H_ */

Cache object: 0f32fc26b8f14ca73553ce7100fe0bdb

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/sys/cpu_topology.h

FreeBSD/Linux Kernel Cross Reference
sys/sys/cpu_topology.h