| /* |
| * arch/powerpc/platforms/pseries/xics.h |
| * |
| * Copyright 2000 IBM Corporation. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #ifndef _POWERPC_KERNEL_XICS_H |
| #define _POWERPC_KERNEL_XICS_H |
| |
| #include <linux/cache.h> |
| |
| extern void xics_init_IRQ(void); |
| extern void xics_setup_cpu(void); |
| extern void xics_teardown_cpu(int secondary); |
| extern void xics_cause_IPI(int cpu); |
| extern void xics_request_IPIs(void); |
| extern void xics_migrate_irqs_away(void); |
| |
| /* first argument is ignored for now*/ |
| void pSeriesLP_cppr_info(int n_cpu, u8 value); |
| |
| struct xics_ipi_struct { |
| volatile unsigned long value; |
| } ____cacheline_aligned; |
| |
| extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; |
| |
| struct irq_desc; |
| extern void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc, |
| struct pt_regs *regs); |
| |
| #endif /* _POWERPC_KERNEL_XICS_H */ |