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David Gibson007e8f52005-10-28 15:35:50 +10001/*
2 * arch/powerpc/platforms/pseries/xics.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Copyright 2000 IBM Corporation.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
David Gibson007e8f52005-10-28 15:35:50 +100012#ifndef _POWERPC_KERNEL_XICS_H
13#define _POWERPC_KERNEL_XICS_H
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15#include <linux/cache.h>
16
17void xics_init_IRQ(void);
18int xics_get_irq(struct pt_regs *);
19void xics_setup_cpu(void);
Paul Mackerras6d22d852005-08-04 12:53:37 -070020void xics_teardown_cpu(int secondary);
Linus Torvalds1da177e2005-04-16 15:20:36 -070021void xics_cause_IPI(int cpu);
22void xics_request_IPIs(void);
23void xics_migrate_irqs_away(void);
24
25/* first argument is ignored for now*/
26void pSeriesLP_cppr_info(int n_cpu, u8 value);
27
28struct xics_ipi_struct {
29 volatile unsigned long value;
30} ____cacheline_aligned;
31
32extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
33
David Gibson007e8f52005-10-28 15:35:50 +100034#endif /* _POWERPC_KERNEL_XICS_H */