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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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032ace7e17
The code in xics.c to setup the i8259 cascaded irq handler is not really xics specific, so move it into setup.c - we will clean this up further in a subsequent patch. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
32 lines
905 B
C
32 lines
905 B
C
/*
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* arch/powerpc/platforms/pseries/xics.h
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*
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* Copyright 2000 IBM Corporation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _POWERPC_KERNEL_XICS_H
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#define _POWERPC_KERNEL_XICS_H
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#include <linux/cache.h>
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extern void xics_init_IRQ(void);
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extern void xics_setup_cpu(void);
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extern void xics_teardown_cpu(void);
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extern void xics_kexec_teardown_cpu(int secondary);
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extern void xics_cause_IPI(int cpu);
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extern void xics_request_IPIs(void);
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extern void xics_migrate_irqs_away(void);
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struct xics_ipi_struct {
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volatile unsigned long value;
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} ____cacheline_aligned;
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extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
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#endif /* _POWERPC_KERNEL_XICS_H */
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