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 <asm/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];
35 extern int sparc64_multi_core;
37 extern void arch_send_call_function_single_ipi(int cpu);
38 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
39 #define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
42 * General functions that each host system must provide.
45 extern int hard_smp_processor_id(void);
46 #define raw_smp_processor_id() (current_thread_info()->cpu)
48 extern void smp_fill_in_sib_core_maps(void);
49 extern void cpu_play_dead(void);
51 extern void smp_fetch_global_regs(void);
53 #ifdef CONFIG_HOTPLUG_CPU
54 extern int __cpu_disable(void);
55 extern void __cpu_die(unsigned int cpu);
58 #endif /* !(__ASSEMBLY__) */
62 #define hard_smp_processor_id() 0
63 #define smp_fill_in_sib_core_maps() do { } while (0)
64 #define smp_fetch_global_regs() do { } while (0)
66 #endif /* !(CONFIG_SMP) */
68 #endif /* !(_SPARC64_SMP_H) */