Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f5e706ad SR |
2 | /* smp.h: Sparc64 specific SMP stuff. |
3 | * | |
4 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) | |
5 | */ | |
6 | ||
7 | #ifndef _SPARC64_SMP_H | |
8 | #define _SPARC64_SMP_H | |
9 | ||
10 | #include <linux/threads.h> | |
11 | #include <asm/asi.h> | |
12 | #include <asm/starfire.h> | |
13 | #include <asm/spitfire.h> | |
14 | ||
15 | #ifndef __ASSEMBLY__ | |
16 | ||
17 | #include <linux/cpumask.h> | |
18 | #include <linux/cache.h> | |
19 | ||
20 | #endif /* !(__ASSEMBLY__) */ | |
21 | ||
22 | #ifdef CONFIG_SMP | |
23 | ||
24 | #ifndef __ASSEMBLY__ | |
25 | ||
26 | /* | |
27 | * Private routines/data | |
28 | */ | |
29 | ||
30 | #include <linux/bitops.h> | |
60063497 | 31 | #include <linux/atomic.h> |
f5e706ad SR |
32 | #include <asm/percpu.h> |
33 | ||
34 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); | |
35 | extern cpumask_t cpu_core_map[NR_CPUS]; | |
f5e706ad | 36 | |
8536e02e VK |
37 | void smp_init_cpu_poke(void); |
38 | void scheduler_poke(void); | |
39 | ||
f05a6865 SR |
40 | void arch_send_call_function_single_ipi(int cpu); |
41 | void arch_send_call_function_ipi_mask(const struct cpumask *mask); | |
d172ad18 | 42 | |
f5e706ad SR |
43 | /* |
44 | * General functions that each host system must provide. | |
45 | */ | |
46 | ||
f05a6865 | 47 | int hard_smp_processor_id(void); |
f5e706ad SR |
48 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
49 | ||
9b2f753e | 50 | void smp_fill_in_cpu_possible_map(void); |
f05a6865 SR |
51 | void smp_fill_in_sib_core_maps(void); |
52 | void cpu_play_dead(void); | |
f5e706ad | 53 | |
f05a6865 SR |
54 | void smp_fetch_global_regs(void); |
55 | void smp_fetch_global_pmu(void); | |
f5e706ad | 56 | |
cb1b8209 SR |
57 | struct seq_file; |
58 | void smp_bogo(struct seq_file *); | |
59 | void smp_info(struct seq_file *); | |
60 | ||
a0c54a21 SR |
61 | void smp_callin(void); |
62 | void cpu_panic(void); | |
63 | void smp_synchronize_tick_client(void); | |
64 | void smp_capture(void); | |
65 | void smp_release(void); | |
66 | ||
f5e706ad | 67 | #ifdef CONFIG_HOTPLUG_CPU |
f05a6865 SR |
68 | int __cpu_disable(void); |
69 | void __cpu_die(unsigned int cpu); | |
f5e706ad SR |
70 | #endif |
71 | ||
72 | #endif /* !(__ASSEMBLY__) */ | |
73 | ||
74 | #else | |
75 | ||
76 | #define hard_smp_processor_id() 0 | |
77 | #define smp_fill_in_sib_core_maps() do { } while (0) | |
78 | #define smp_fetch_global_regs() do { } while (0) | |
916ca14a | 79 | #define smp_fetch_global_pmu() do { } while (0) |
2a0100d7 | 80 | #define smp_fill_in_cpu_possible_map() do { } while (0) |
8536e02e VK |
81 | #define smp_init_cpu_poke() do { } while (0) |
82 | #define scheduler_poke() do { } while (0) | |
f5e706ad SR |
83 | |
84 | #endif /* !(CONFIG_SMP) */ | |
85 | ||
86 | #endif /* !(_SPARC64_SMP_H) */ |