1/****************************************************************************** 2 * 3 * Name: aclinux.h - OS specific defines, etc. 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2007, R. Byron Moore 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44#ifndef __ACLINUX_H__ 45#define __ACLINUX_H__ 46 47#define ACPI_USE_SYSTEM_CLIBRARY 48#define ACPI_USE_DO_WHILE_0 49 50#ifdef __KERNEL__ 51 52#include <linux/string.h> 53#include <linux/kernel.h> 54#include <linux/module.h> 55#include <linux/ctype.h> 56#include <asm/system.h> 57#include <asm/atomic.h> 58#include <asm/div64.h> 59#include <asm/acpi.h> 60#include <linux/slab.h> 61#include <linux/spinlock_types.h> 62#include <asm/current.h> 63 64/* Host-dependent types and defines */ 65 66#define ACPI_MACHINE_WIDTH BITS_PER_LONG 67#define acpi_cache_t struct kmem_cache 68#define acpi_spinlock spinlock_t * 69#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); 70#define strtoul simple_strtoul 71 72/* Full namespace pathname length limit - arbitrary */ 73#define ACPI_PATHNAME_MAX 256 74 75#else /* !__KERNEL__ */ 76 77#include <stdarg.h> 78#include <string.h> 79#include <stdlib.h> 80#include <ctype.h> 81#include <unistd.h> 82 83#if defined(__ia64__) || defined(__x86_64__) 84#define ACPI_MACHINE_WIDTH 64 85#define COMPILER_DEPENDENT_INT64 long 86#define COMPILER_DEPENDENT_UINT64 unsigned long 87#else 88#define ACPI_MACHINE_WIDTH 32 89#define COMPILER_DEPENDENT_INT64 long long 90#define COMPILER_DEPENDENT_UINT64 unsigned long long 91#define ACPI_USE_NATIVE_DIVIDE 92#endif 93 94#define __cdecl 95#define ACPI_FLUSH_CPU_CACHE() 96#endif /* __KERNEL__ */ 97 98/* Linux uses GCC */ 99 100#include "acgcc.h" 101 102#define acpi_cpu_flags unsigned long 103 104#define acpi_thread_id struct task_struct * 105 106static inline acpi_thread_id acpi_os_get_thread_id(void) 107{ 108 return current; 109} 110 111/* 112 * The irqs_disabled() check is for resume from RAM. 113 * Interrupts are off during resume, just like they are for boot. 114 * However, boot has (system_state != SYSTEM_RUNNING) 115 * to quiet __might_sleep() in kmalloc() and resume does not. 116 */ 117#include <acpi/actypes.h> 118static inline void *acpi_os_allocate(acpi_size size) 119{ 120 return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); 121} 122static inline void *acpi_os_allocate_zeroed(acpi_size size) 123{ 124 return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); 125} 126 127static inline void *acpi_os_acquire_object(acpi_cache_t * cache) 128{ 129 return kmem_cache_zalloc(cache, 130 irqs_disabled()? GFP_ATOMIC : GFP_KERNEL); 131} 132 133#define ACPI_ALLOCATE(a) acpi_os_allocate(a) 134#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) 135#define ACPI_FREE(a) kfree(a) 136 137#endif /* __ACLINUX_H__ */ 138