2 * arch/powerpc/platforms/pseries/xics.h
4 * Copyright 2000 IBM Corporation.
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.
12 #ifndef _POWERPC_KERNEL_XICS_H
13 #define _POWERPC_KERNEL_XICS_H
15 #include <linux/cache.h>
17 extern void xics_init_IRQ(void);
18 extern void xics_setup_cpu(void);
19 extern void xics_teardown_cpu(void);
20 extern void xics_kexec_teardown_cpu(int secondary);
21 extern void xics_cause_IPI(int cpu);
22 extern void xics_request_IPIs(void);
23 extern void xics_migrate_irqs_away(void);
25 struct xics_ipi_struct {
26 volatile unsigned long value;
27 } ____cacheline_aligned;
29 extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
31 #endif /* _POWERPC_KERNEL_XICS_H */