projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| f05a6865 | 50 | void smp_fill_in_sib_core_maps(void); |
| b9952d50 | 51 | void __noreturn cpu_play_dead(void); |
| f5e706ad | 52 | |
| f05a6865 SR |
53 | void smp_fetch_global_regs(void); |
| 54 | void smp_fetch_global_pmu(void); | |
| f5e706ad | 55 | |
| cb1b8209 SR |
56 | struct seq_file; |
| 57 | void smp_bogo(struct seq_file *); | |
| 58 | void smp_info(struct seq_file *); | |
| 59 | ||
| a0c54a21 SR |
60 | void smp_callin(void); |
| 61 | void cpu_panic(void); | |
| 62 | void smp_synchronize_tick_client(void); | |
| 63 | void smp_capture(void); | |
| 64 | void smp_release(void); | |
| 65 | ||
| f5e706ad | 66 | #ifdef CONFIG_HOTPLUG_CPU |
| f05a6865 SR |
67 | int __cpu_disable(void); |
| 68 | void __cpu_die(unsigned int cpu); | |
| f5e706ad SR |
69 | #endif |
| 70 | ||
| 71 | #endif /* !(__ASSEMBLY__) */ | |
| 72 | ||
| 73 | #else | |
| 74 | ||
| 75 | #define hard_smp_processor_id() 0 | |
| 76 | #define smp_fill_in_sib_core_maps() do { } while (0) | |
| 77 | #define smp_fetch_global_regs() do { } while (0) | |
| 916ca14a | 78 | #define smp_fetch_global_pmu() do { } while (0) |
| 8536e02e VK |
79 | #define smp_init_cpu_poke() do { } while (0) |
| 80 | #define scheduler_poke() do { } while (0) | |
| f5e706ad SR |
81 | |
| 82 | #endif /* !(CONFIG_SMP) */ | |
| 83 | ||
| 84 | #endif /* !(_SPARC64_SMP_H) */ |