blob: 89d86ecaab2459ddf168695fb80b11ebdf787ee0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* smp.h: Sparc64 specific SMP stuff.
2 *
3 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
4 */
5
6#ifndef _SPARC64_SMP_H
7#define _SPARC64_SMP_H
8
9#include <linux/config.h>
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 <asm/bitops.h>
31#include <asm/atomic.h>
32
33extern cpumask_t phys_cpu_present_map;
34#define cpu_possible_map phys_cpu_present_map
35
David S. Miller8935dce2006-03-08 16:09:19 -080036extern cpumask_t cpu_sibling_map[NR_CPUS];
37
Linus Torvalds1da177e2005-04-16 15:20:36 -070038/*
39 * General functions that each host system must provide.
40 */
41
David S. Miller92704a12006-02-26 23:27:19 -080042extern int hard_smp_processor_id(void);
Ingo Molnar39c715b2005-06-21 17:14:34 -070043#define raw_smp_processor_id() (current_thread_info()->cpu)
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
David S. Miller7abea922006-02-25 13:39:56 -080045extern void smp_setup_cpu_possible_map(void);
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#endif /* !(__ASSEMBLY__) */
48
David S. Miller7abea922006-02-25 13:39:56 -080049#else
50
51#define smp_setup_cpu_possible_map() do { } while (0)
52
Linus Torvalds1da177e2005-04-16 15:20:36 -070053#endif /* !(CONFIG_SMP) */
54
55#define NO_PROC_ID 0xFF
56
57#endif /* !(_SPARC64_SMP_H) */