| 1 | /* |
| 2 | * arch/ubicom32/include/asm/hardirq.h |
| 3 | * Definition of ack_bad_irq() for Ubicom32 architecture. |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * Copyright (C) 1997, 98, 99, 2000, 01, 05 Ralf Baechle (ralf@linux-mips.org) |
| 7 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
| 8 | * Copyright (C) 2001 MIPS Technologies, Inc. |
| 9 | * |
| 10 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 11 | * |
| 12 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 13 | * it and/or modify it under the terms of the GNU General Public License |
| 14 | * as published by the Free Software Foundation, either version 2 of the |
| 15 | * License, or (at your option) any later version. |
| 16 | * |
| 17 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 18 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 19 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 20 | * the GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 24 | * see <http://www.gnu.org/licenses/>. |
| 25 | * |
| 26 | * Ubicom32 implementation derived from (with many thanks): |
| 27 | * arch/m68knommu |
| 28 | * arch/blackfin |
| 29 | * arch/parisc |
| 30 | */ |
| 31 | #ifndef _ASM_UBICOM32_HARDIRQ_H |
| 32 | #define _ASM_UBICOM32_HARDIRQ_H |
| 33 | |
| 34 | #include <linux/threads.h> |
| 35 | #include <linux/irq.h> |
| 36 | |
| 37 | /* |
| 38 | * The hardirq mask has to be large enough to have space |
| 39 | * for potentially all IRQ sources in the system nesting |
| 40 | * on a single CPU. For Ubicom32, we have 64 IRQ sources. |
| 41 | */ |
| 42 | #define HARDIRQ_BITS 6 |
| 43 | #if (1 << HARDIRQ_BITS) < NR_IRQS |
| 44 | # error HARDIRQ_BITS is too low! |
| 45 | #endif |
| 46 | |
| 47 | typedef struct { |
| 48 | unsigned int __softirq_pending; |
| 49 | } ____cacheline_aligned irq_cpustat_t; |
| 50 | |
| 51 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ |
| 52 | |
| 53 | extern void ack_bad_irq(unsigned int irq); |
| 54 | |
| 55 | #endif /* _ASM_UBICOM32_HARDIRQ_H */ |
| 56 | |
