1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _ASM_S390_TOPOLOGY_H
3 #define _ASM_S390_TOPOLOGY_H
4
5 #include <linux/cpumask.h>
6 #include <asm/numa.h>
7
8 struct sysinfo_15_1_x;
9 struct cpu;
10
11 #ifdef CONFIG_SCHED_TOPOLOGY
12
13 struct cpu_topology_s390 {
14 unsigned short thread_id;
15 unsigned short core_id;
16 unsigned short socket_id;
17 unsigned short book_id;
18 unsigned short drawer_id;
19 unsigned short dedicated : 1;
20 int booted_cores;
21 cpumask_t thread_mask;
22 cpumask_t core_mask;
23 cpumask_t book_mask;
24 cpumask_t drawer_mask;
25 };
26
27 extern struct cpu_topology_s390 cpu_topology[N
28
29 #define topology_physical_package_id(cpu) (cpu
30 #define topology_thread_id(cpu) (cpu
31 #define topology_sibling_cpumask(cpu) (&cp
32 #define topology_core_id(cpu) (cpu
33 #define topology_core_cpumask(cpu) (&cp
34 #define topology_book_id(cpu) (cpu
35 #define topology_book_cpumask(cpu) (&cp
36 #define topology_drawer_id(cpu) (cpu
37 #define topology_drawer_cpumask(cpu) (&cp
38 #define topology_cpu_dedicated(cpu) (cpu
39 #define topology_booted_cores(cpu) (cpu
40
41 #define mc_capable() 1
42
43 void topology_init_early(void);
44 int topology_cpu_init(struct cpu *);
45 int topology_set_cpu_management(int fc);
46 void topology_schedule_update(void);
47 void store_topology(struct sysinfo_15_1_x *inf
48 void update_cpu_masks(void);
49 void topology_expect_change(void);
50 const struct cpumask *cpu_coregroup_mask(int c
51
52 #else /* CONFIG_SCHED_TOPOLOGY */
53
54 static inline void topology_init_early(void) {
55 static inline void topology_schedule_update(vo
56 static inline int topology_cpu_init(struct cpu
57 static inline int topology_cpu_dedicated(int c
58 static inline int topology_booted_cores(int cp
59 static inline void update_cpu_masks(void) { }
60 static inline void topology_expect_change(void
61
62 #endif /* CONFIG_SCHED_TOPOLOGY */
63
64 #define POLARIZATION_UNKNOWN (-1)
65 #define POLARIZATION_HRZ (0)
66 #define POLARIZATION_VL (1)
67 #define POLARIZATION_VM (2)
68 #define POLARIZATION_VH (3)
69
70 #define CPU_CAPACITY_HIGH SCHED_CAPACITY
71 #define CPU_CAPACITY_LOW (SCHED_CAPACIT
72
73 #define SD_BOOK_INIT SD_CPU_INIT
74
75 #ifdef CONFIG_NUMA
76
77 #define cpu_to_node cpu_to_node
78 static inline int cpu_to_node(int cpu)
79 {
80 return 0;
81 }
82
83 /* Returns a pointer to the cpumask of CPUs on
84 #define cpumask_of_node cpumask_of_node
85 static inline const struct cpumask *cpumask_of
86 {
87 return cpu_possible_mask;
88 }
89
90 #define pcibus_to_node(bus) __pcibus_to_node(b
91
92 #else /* !CONFIG_NUMA */
93
94 #define numa_node_id numa_node_id
95 static inline int numa_node_id(void)
96 {
97 return 0;
98 }
99
100 #endif /* CONFIG_NUMA */
101
102 #include <asm-generic/topology.h>
103
104 #endif /* _ASM_S390_TOPOLOGY_H */
105
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.