linux/include/asm-sparc64/smp.h
David S. Miller a2f9f6bbb3 [SPARC64]: Fix {mc,smt}_capable().
It's not just sun4v hypervisor platforms that should return true
for this, sun4u with UltraSPARC-IV should return true too.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-06-04 21:50:05 -07:00

60 lines
1.1 KiB
C

/* smp.h: Sparc64 specific SMP stuff.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC64_SMP_H
#define _SPARC64_SMP_H
#include <linux/threads.h>
#include <asm/asi.h>
#include <asm/starfire.h>
#include <asm/spitfire.h>
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
#include <linux/cache.h>
#endif /* !(__ASSEMBLY__) */
#ifdef CONFIG_SMP
#ifndef __ASSEMBLY__
/*
* Private routines/data
*/
#include <asm/bitops.h>
#include <asm/atomic.h>
extern cpumask_t phys_cpu_present_map;
#define cpu_possible_map phys_cpu_present_map
extern cpumask_t cpu_sibling_map[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
extern int sparc64_multi_core;
/*
* General functions that each host system must provide.
*/
extern int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)
extern void smp_fill_in_sib_core_maps(void);
extern unsigned char boot_cpu_id;
#endif /* !(__ASSEMBLY__) */
#else
#define hard_smp_processor_id() 0
#define smp_fill_in_sib_core_maps() do { } while (0)
#define boot_cpu_id (0)
#endif /* !(CONFIG_SMP) */
#endif /* !(_SPARC64_SMP_H) */