1/* SPDX-License-Identifier: GPL-2.0 */
 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>
31#include <linux/atomic.h>
32#include <asm/percpu.h>
33
34DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
35extern cpumask_t cpu_core_map[NR_CPUS];
36
37void smp_init_cpu_poke(void);
38void scheduler_poke(void);
39
40void arch_send_call_function_single_ipi(int cpu);
41void arch_send_call_function_ipi_mask(const struct cpumask *mask);
42
43/*
44 *	General functions that each host system must provide.
45 */
46
47int hard_smp_processor_id(void);
48#define raw_smp_processor_id() (current_thread_info()->cpu)
49
50void smp_fill_in_cpu_possible_map(void);
51void smp_fill_in_sib_core_maps(void);
52void cpu_play_dead(void);
53
54void smp_fetch_global_regs(void);
55void smp_fetch_global_pmu(void);
56
57struct seq_file;
58void smp_bogo(struct seq_file *);
59void smp_info(struct seq_file *);
60
61void smp_callin(void);
62void cpu_panic(void);
63void smp_synchronize_tick_client(void);
64void smp_capture(void);
65void smp_release(void);
66
67#ifdef CONFIG_HOTPLUG_CPU
68int __cpu_disable(void);
69void __cpu_die(unsigned int cpu);
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)
79#define smp_fetch_global_pmu() do { } while (0)
80#define smp_fill_in_cpu_possible_map() do { } while (0)
81#define smp_init_cpu_poke() do { } while (0)
82#define scheduler_poke() do { } while (0)
83
84#endif /* !(CONFIG_SMP) */
85
86#endif /* !(_SPARC64_SMP_H) */

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