1 /****************************************************************************** 2 * 3 * Name: aclinux.h - OS specific defines, etc. for Linux 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 *****************************************************************************/ 115 116 #ifndef __ACLINUX_H__ 117 #define __ACLINUX_H__ 118 119 /* Common (in-kernel/user-space) ACPICA configuration */ 120 121 #define ACPI_USE_SYSTEM_CLIBRARY 122 #define ACPI_USE_DO_WHILE_0 123 #define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE 124 125 126 #ifdef __KERNEL__ 127 128 #include <linux/string.h> 129 #include <linux/kernel.h> 130 #include <linux/module.h> 131 #include <linux/ctype.h> 132 #include <linux/sched.h> 133 #include <asm/system.h> 134 #include <asm/atomic.h> 135 #include <asm/div64.h> 136 #include <asm/acpi.h> 137 #include <linux/slab.h> 138 #include <linux/spinlock_types.h> 139 #include <asm/current.h> 140 141 /* Host-dependent types and defines for in-kernel ACPICA */ 142 143 #define ACPI_MACHINE_WIDTH BITS_PER_LONG 144 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); 145 #define strtoul simple_strtoul 146 147 #define ACPI_CACHE_T struct kmem_cache 148 #define ACPI_SPINLOCK spinlock_t * 149 #define ACPI_CPU_FLAGS unsigned long 150 #define ACPI_THREAD_ID struct task_struct * 151 152 #else /* !__KERNEL__ */ 153 154 #include <stdarg.h> 155 #include <string.h> 156 #include <stdlib.h> 157 #include <ctype.h> 158 #include <unistd.h> 159 160 /* Host-dependent types and defines for user-space ACPICA */ 161 162 #define ACPI_FLUSH_CPU_CACHE() 163 #define ACPI_THREAD_ID pthread_t 164 165 #if defined(__ia64__) || defined(__x86_64__) 166 #define ACPI_MACHINE_WIDTH 64 167 #define COMPILER_DEPENDENT_INT64 long 168 #define COMPILER_DEPENDENT_UINT64 unsigned long 169 #else 170 #define ACPI_MACHINE_WIDTH 32 171 #define COMPILER_DEPENDENT_INT64 long long 172 #define COMPILER_DEPENDENT_UINT64 unsigned long long 173 #define ACPI_USE_NATIVE_DIVIDE 174 #endif 175 176 #ifndef __cdecl 177 #define __cdecl 178 #endif 179 180 #endif /* __KERNEL__ */ 181 182 /* Linux uses GCC */ 183 184 #include "acgcc.h" 185 186 187 #ifdef __KERNEL__ 188 /* 189 * Overrides for in-kernel ACPICA 190 */ 191 static inline acpi_thread_id acpi_os_get_thread_id(void) 192 { 193 return current; 194 } 195 196 /* 197 * The irqs_disabled() check is for resume from RAM. 198 * Interrupts are off during resume, just like they are for boot. 199 * However, boot has (system_state != SYSTEM_RUNNING) 200 * to quiet __might_sleep() in kmalloc() and resume does not. 201 */ 202 #include <acpi/actypes.h> 203 static inline void *acpi_os_allocate(acpi_size size) 204 { 205 return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); 206 } 207 208 static inline void *acpi_os_allocate_zeroed(acpi_size size) 209 { 210 return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); 211 } 212 213 static inline void *acpi_os_acquire_object(acpi_cache_t * cache) 214 { 215 return kmem_cache_zalloc(cache, 216 irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); 217 } 218 219 #define ACPI_ALLOCATE(a) acpi_os_allocate(a) 220 #define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a) 221 #define ACPI_FREE(a) kfree(a) 222 223 /* Used within ACPICA to show where it is safe to preempt execution */ 224 225 #define ACPI_PREEMPTION_POINT() \ 226 do { \ 227 if (!irqs_disabled()) \ 228 cond_resched(); \ 229 } while (0) 230 231 #endif /* __KERNEL__ */ 232 233 #endif /* __ACLINUX_H__ */ 234