Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 3 | * Name: aclinux.h - OS specific defines, etc. for Linux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 8 | * Copyright (C) 2000 - 2009, Intel Corp. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 47 | /* Common (in-kernel/user-space) ACPICA configuration */ |
| 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #define ACPI_USE_SYSTEM_CLIBRARY |
| 50 | #define ACPI_USE_DO_WHILE_0 |
Bob Moore | 1685bd4 | 2008-12-31 03:03:29 +0800 | [diff] [blame] | 51 | #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 53 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | #ifdef __KERNEL__ |
| 55 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #include <linux/string.h> |
| 57 | #include <linux/kernel.h> |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 58 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | #include <linux/ctype.h> |
Alexey Starikovskiy | 8bd108d | 2008-09-25 21:40:30 +0400 | [diff] [blame] | 60 | #include <linux/sched.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #include <asm/system.h> |
| 62 | #include <asm/atomic.h> |
| 63 | #include <asm/div64.h> |
| 64 | #include <asm/acpi.h> |
Robert Moore | 73459f7 | 2005-06-24 00:00:00 -0400 | [diff] [blame] | 65 | #include <linux/slab.h> |
Bob Moore | 967440e3 | 2006-06-23 17:04:00 -0400 | [diff] [blame] | 66 | #include <linux/spinlock_types.h> |
Len Brown | ab8aa06 | 2006-07-07 20:11:07 -0400 | [diff] [blame] | 67 | #include <asm/current.h> |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 68 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 69 | /* Host-dependent types and defines for in-kernel ACPICA */ |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 70 | |
| 71 | #define ACPI_MACHINE_WIDTH BITS_PER_LONG |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 72 | #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); |
| 73 | #define strtoul simple_strtoul |
Robert Moore | 73459f7 | 2005-06-24 00:00:00 -0400 | [diff] [blame] | 74 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 75 | #define acpi_cache_t struct kmem_cache |
| 76 | #define acpi_spinlock spinlock_t * |
| 77 | #define acpi_cpu_flags unsigned long |
| 78 | #define acpi_thread_id struct task_struct * |
| 79 | |
| 80 | #else /* !__KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | #include <stdarg.h> |
| 83 | #include <string.h> |
| 84 | #include <stdlib.h> |
| 85 | #include <ctype.h> |
| 86 | #include <unistd.h> |
| 87 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 88 | /* Host-dependent types and defines for user-space ACPICA */ |
| 89 | |
| 90 | #define ACPI_FLUSH_CPU_CACHE() |
| 91 | #define acpi_thread_id pthread_t |
| 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | #if defined(__ia64__) || defined(__x86_64__) |
| 94 | #define ACPI_MACHINE_WIDTH 64 |
| 95 | #define COMPILER_DEPENDENT_INT64 long |
| 96 | #define COMPILER_DEPENDENT_UINT64 unsigned long |
| 97 | #else |
| 98 | #define ACPI_MACHINE_WIDTH 32 |
| 99 | #define COMPILER_DEPENDENT_INT64 long long |
| 100 | #define COMPILER_DEPENDENT_UINT64 unsigned long long |
| 101 | #define ACPI_USE_NATIVE_DIVIDE |
| 102 | #endif |
| 103 | |
Bob Moore | a0a3f6c | 2007-03-27 20:25:46 -0400 | [diff] [blame] | 104 | #ifndef __cdecl |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | #define __cdecl |
Bob Moore | a0a3f6c | 2007-03-27 20:25:46 -0400 | [diff] [blame] | 106 | #endif |
| 107 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 108 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | |
| 110 | /* Linux uses GCC */ |
| 111 | |
| 112 | #include "acgcc.h" |
| 113 | |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 114 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 115 | #ifdef __KERNEL__ |
| 116 | /* |
| 117 | * Overrides for in-kernel ACPICA |
| 118 | */ |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 119 | static inline acpi_thread_id acpi_os_get_thread_id(void) |
| 120 | { |
| 121 | return current; |
| 122 | } |
Len Brown | ec7381d | 2006-04-01 05:12:23 -0500 | [diff] [blame] | 123 | |
Len Brown | e21c1ca | 2006-07-10 01:35:51 -0400 | [diff] [blame] | 124 | /* |
| 125 | * The irqs_disabled() check is for resume from RAM. |
| 126 | * Interrupts are off during resume, just like they are for boot. |
| 127 | * However, boot has (system_state != SYSTEM_RUNNING) |
| 128 | * to quiet __might_sleep() in kmalloc() and resume does not. |
| 129 | */ |
| 130 | #include <acpi/actypes.h> |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 131 | static inline void *acpi_os_allocate(acpi_size size) |
| 132 | { |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 133 | return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); |
Len Brown | e21c1ca | 2006-07-10 01:35:51 -0400 | [diff] [blame] | 134 | } |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 135 | |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 136 | static inline void *acpi_os_allocate_zeroed(acpi_size size) |
| 137 | { |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 138 | return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); |
Len Brown | e21c1ca | 2006-07-10 01:35:51 -0400 | [diff] [blame] | 139 | } |
| 140 | |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 141 | static inline void *acpi_os_acquire_object(acpi_cache_t * cache) |
| 142 | { |
| 143 | return kmem_cache_zalloc(cache, |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 144 | irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); |
Len Brown | e21c1ca | 2006-07-10 01:35:51 -0400 | [diff] [blame] | 145 | } |
| 146 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 147 | #define ACPI_ALLOCATE(a) acpi_os_allocate(a) |
| 148 | #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) |
| 149 | #define ACPI_FREE(a) kfree(a) |
Len Brown | e21c1ca | 2006-07-10 01:35:51 -0400 | [diff] [blame] | 150 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 151 | /* Used within ACPICA to show where it is safe to preempt execution */ |
| 152 | |
| 153 | #define ACPI_PREEMPTION_POINT() \ |
| 154 | do { \ |
| 155 | if (!irqs_disabled()) \ |
| 156 | cond_resched(); \ |
Wu Fengguang | abe1dfa | 2008-11-26 14:35:22 +0800 | [diff] [blame] | 157 | } while (0) |
Alexey Starikovskiy | 8bd108d | 2008-09-25 21:40:30 +0400 | [diff] [blame] | 158 | |
Bob Moore | e0c437b | 2009-04-22 13:39:47 +0800 | [diff] [blame] | 159 | #endif /* __KERNEL__ */ |
| 160 | |
| 161 | #endif /* __ACLINUX_H__ */ |