blob: 1c5321ae8f2f06a507a7ecbdccfd076077c00144 [file] [log] [blame]
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
Benjamin Herrenschmidtb9e5b4e2006-07-03 19:32:51 +100017extern void xics_init_IRQ(void);
18extern void xics_setup_cpu(void);
Nathan Fontenotc3e85062008-02-07 07:37:31 +110019extern void xics_teardown_cpu(void);
20extern void xics_kexec_teardown_cpu(int secondary);
Benjamin Herrenschmidtb9e5b4e2006-07-03 19:32:51 +100021extern void xics_cause_IPI(int cpu);
22extern void xics_request_IPIs(void);
23extern void xics_migrate_irqs_away(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Linus Torvalds1da177e2005-04-16 15:20:36 -070025struct xics_ipi_struct {
26 volatile unsigned long value;
27} ____cacheline_aligned;
28
29extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
30
David Gibson007e8f52005-10-28 15:35:50 +100031#endif /* _POWERPC_KERNEL_XICS_H */