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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
[mirror_ubuntu-jammy-kernel.git] / arch / powerpc / platforms / pseries / xics.h
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1/*
2 * arch/powerpc/platforms/pseries/xics.h
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3 *
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
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12#ifndef _POWERPC_KERNEL_XICS_H
13#define _POWERPC_KERNEL_XICS_H
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14
15#include <linux/cache.h>
16
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17extern void xics_init_IRQ(void);
18extern void xics_setup_cpu(void);
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19extern void xics_teardown_cpu(void);
20extern void xics_kexec_teardown_cpu(int secondary);
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21extern void xics_cause_IPI(int cpu);
22extern void xics_request_IPIs(void);
23extern void xics_migrate_irqs_away(void);
1da177e4 24
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25struct 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
b9e5b4e6 31struct irq_desc;
7d12e780 32extern void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc);
b9e5b4e6 33
007e8f51 34#endif /* _POWERPC_KERNEL_XICS_H */