1 /* smp.h: Sparc64 specific SMP stuff.
3 * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
9 #include <linux/threads.h>
11 #include <asm/starfire.h>
12 #include <asm/spitfire.h>
16 #include <linux/cpumask.h>
17 #include <linux/cache.h>
19 #endif /* !(__ASSEMBLY__) */
26 * Private routines/data
29 #include <linux/bitops.h>
30 #include <linux/atomic.h>
31 #include <asm/percpu.h>
33 DECLARE_PER_CPU(cpumask_t
, cpu_sibling_map
);
34 extern cpumask_t cpu_core_map
[NR_CPUS
];
36 extern void arch_send_call_function_single_ipi(int cpu
);
37 extern void arch_send_call_function_ipi_mask(const struct cpumask
*mask
);
40 * General functions that each host system must provide.
43 extern int hard_smp_processor_id(void);
44 #define raw_smp_processor_id() (current_thread_info()->cpu)
46 extern void smp_fill_in_sib_core_maps(void);
47 extern void cpu_play_dead(void);
49 extern void smp_fetch_global_regs(void);
50 extern void smp_fetch_global_pmu(void);
53 void smp_bogo(struct seq_file
*);
54 void smp_info(struct seq_file
*);
56 #ifdef CONFIG_HOTPLUG_CPU
57 extern int __cpu_disable(void);
58 extern void __cpu_die(unsigned int cpu
);
61 #endif /* !(__ASSEMBLY__) */
65 #define hard_smp_processor_id() 0
66 #define smp_fill_in_sib_core_maps() do { } while (0)
67 #define smp_fetch_global_regs() do { } while (0)
68 #define smp_fetch_global_pmu() do { } while (0)
70 #endif /* !(CONFIG_SMP) */
72 #endif /* !(_SPARC64_SMP_H) */
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