[linux-2.6-block.git] / arch / mips / include / asm / smp-ops.h

/*
 * This file is subject to the terms and conditions of the GNU General
 * Public License.  See the file "COPYING" in the main directory of this
 * archive for more details.
 *
 * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com)
 * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc.
 * Copyright (C) 2000, 2001, 2002 Ralf Baechle
 * Copyright (C) 2000, 2001 Broadcom Corporation
 */
#ifndef __ASM_SMP_OPS_H
#define __ASM_SMP_OPS_H

#ifdef CONFIG_SMP

#include <linux/cpumask.h>

struct task_struct;

struct plat_smp_ops {
	void (*send_ipi_single)(int cpu, unsigned int action);
	void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action);
	void (*init_secondary)(void);
	void (*smp_finish)(void);
	void (*cpus_done)(void);
	void (*boot_secondary)(int cpu, struct task_struct *idle);
	void (*smp_setup)(void);
	void (*prepare_cpus)(unsigned int max_cpus);
#ifdef CONFIG_HOTPLUG_CPU
	int (*cpu_disable)(void);
	void (*cpu_die)(unsigned int cpu);
#endif
};

extern void register_smp_ops(struct plat_smp_ops *ops);

static inline void plat_smp_setup(void)
{
	extern struct plat_smp_ops *mp_ops;	/* private */

	mp_ops->smp_setup();
}

#else /* !CONFIG_SMP */

struct plat_smp_ops;

static inline void plat_smp_setup(void)
{
	/* UP, nothing to do ...  */
}

static inline void register_smp_ops(struct plat_smp_ops *ops)
{
}

#endif /* !CONFIG_SMP */

extern struct plat_smp_ops up_smp_ops;
extern struct plat_smp_ops cmp_smp_ops;
extern struct plat_smp_ops vsmp_smp_ops;

#endif /* __ASM_SMP_OPS_H */
Commit	Line	Data
87353d8a RB	1	/*
	2	* This file is subject to the terms and conditions of the GNU General
	3	* Public License. See the file "COPYING" in the main directory of this
	4	* archive for more details.
	5	*
	6	* Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com)
	7	* Copyright (C) 2000 - 2001 by Silicon Graphics, Inc.
	8	* Copyright (C) 2000, 2001, 2002 Ralf Baechle
	9	* Copyright (C) 2000, 2001 Broadcom Corporation
	10	*/
	11	#ifndef __ASM_SMP_OPS_H
	12	#define __ASM_SMP_OPS_H
	13
	14	#ifdef CONFIG_SMP
	15
	16	#include <linux/cpumask.h>
	17
f5fd02a3 RB	18	struct task_struct;
f5fd02a3 RB	19
87353d8a RB	20	struct plat_smp_ops {
87353d8a RB	21	void (*send_ipi_single)(int cpu, unsigned int action);
48a048fe	22	void (send_ipi_mask)(const struct cpumask mask, unsigned int action);
87353d8a RB	23	void (*init_secondary)(void);
	24	void (*smp_finish)(void);
	25	void (*cpus_done)(void);
	26	void (boot_secondary)(int cpu, struct task_struct idle);
	27	void (*smp_setup)(void);
	28	void (*prepare_cpus)(unsigned int max_cpus);
1b2bc75c RB	29	#ifdef CONFIG_HOTPLUG_CPU
	30	int (*cpu_disable)(void);
	31	void (*cpu_die)(unsigned int cpu);
	32	#endif
87353d8a RB	33	};
	34
	35	extern void register_smp_ops(struct plat_smp_ops *ops);
	36
	37	static inline void plat_smp_setup(void)
	38	{
	39	extern struct plat_smp_ops mp_ops; / private */
	40
	41	mp_ops->smp_setup();
	42	}
	43
	44	#else /* !CONFIG_SMP */
	45
	46	struct plat_smp_ops;
	47
	48	static inline void plat_smp_setup(void)
	49	{
	50	/* UP, nothing to do ... */
	51	}
	52
	53	static inline void register_smp_ops(struct plat_smp_ops *ops)
	54	{
	55	}
	56
	57	#endif /* !CONFIG_SMP */
	58
	59	extern struct plat_smp_ops up_smp_ops;
39b8d525	60	extern struct plat_smp_ops cmp_smp_ops;
87353d8a RB	61	extern struct plat_smp_ops vsmp_smp_ops;
	62
	63	#endif /* __ASM_SMP_OPS_H */