xref: /OK3568_Linux_fs/kernel/arch/parisc/include/asm/topology.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun #ifndef _ASM_PARISC_TOPOLOGY_H
2*4882a593Smuzhiyun #define _ASM_PARISC_TOPOLOGY_H
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifdef CONFIG_PARISC_CPU_TOPOLOGY
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <linux/cpumask.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun struct cputopo_parisc {
9*4882a593Smuzhiyun 	int thread_id;
10*4882a593Smuzhiyun 	int core_id;
11*4882a593Smuzhiyun 	int socket_id;
12*4882a593Smuzhiyun 	cpumask_t thread_sibling;
13*4882a593Smuzhiyun 	cpumask_t core_sibling;
14*4882a593Smuzhiyun };
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun extern struct cputopo_parisc cpu_topology[NR_CPUS];
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #define topology_physical_package_id(cpu)	(cpu_topology[cpu].socket_id)
19*4882a593Smuzhiyun #define topology_core_id(cpu)		(cpu_topology[cpu].core_id)
20*4882a593Smuzhiyun #define topology_core_cpumask(cpu)	(&cpu_topology[cpu].core_sibling)
21*4882a593Smuzhiyun #define topology_sibling_cpumask(cpu)	(&cpu_topology[cpu].thread_sibling)
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun void init_cpu_topology(void);
24*4882a593Smuzhiyun void store_cpu_topology(unsigned int cpuid);
25*4882a593Smuzhiyun const struct cpumask *cpu_coregroup_mask(int cpu);
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #else
28*4882a593Smuzhiyun 
init_cpu_topology(void)29*4882a593Smuzhiyun static inline void init_cpu_topology(void) { }
store_cpu_topology(unsigned int cpuid)30*4882a593Smuzhiyun static inline void store_cpu_topology(unsigned int cpuid) { }
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #include <asm-generic/topology.h>
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif /* _ASM_ARM_TOPOLOGY_H */
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