xref: /netbsd-src/sys/external/bsd/acpica/dist/include/platform/aclinux.h (revision 046a29855e04359424fd074e8313af6b6be8cfb6)
1 /******************************************************************************
2  *
3  * Name: aclinux.h - OS specific defines, etc. for Linux
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2023, Intel Corp.
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 MERCHANTABILITY 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 #ifdef __KERNEL__
48 
49 /* ACPICA external files should not include ACPICA headers directly. */
50 
51 #if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
52 #error "Please don't include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
53 #endif
54 
55 #endif
56 
57 /* Common (in-kernel/user-space) ACPICA configuration */
58 
59 #define ACPI_USE_SYSTEM_CLIBRARY
60 #define ACPI_USE_DO_WHILE_0
61 #define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS
62 
63 
64 #ifdef __KERNEL__
65 
66 #define ACPI_USE_SYSTEM_INTTYPES
67 #define ACPI_USE_GPE_POLLING
68 
69 /* Kernel specific ACPICA configuration */
70 
71 #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
72 #define ACPI_REDUCED_HARDWARE 1
73 #endif
74 
75 #ifdef CONFIG_ACPI_DEBUGGER
76 #define ACPI_DEBUGGER
77 #endif
78 
79 #ifdef CONFIG_ACPI_DEBUG
80 #define ACPI_MUTEX_DEBUG
81 #endif
82 
83 #include <linux/string.h>
84 #include <linux/kernel.h>
85 #include <linux/ctype.h>
86 #include <linux/sched.h>
87 #include <linux/atomic.h>
88 #include <linux/math64.h>
89 #include <linux/slab.h>
90 #include <linux/spinlock_types.h>
91 #ifdef EXPORT_ACPI_INTERFACES
92 #include <linux/export.h>
93 #endif
94 #ifdef CONFIG_ACPI
95 #include <asm/acenv.h>
96 #endif
97 
98 #define ACPI_INIT_FUNCTION __init
99 
100 /* Use a specific bugging default separate from ACPICA */
101 
102 #undef ACPI_DEBUG_DEFAULT
103 #define ACPI_DEBUG_DEFAULT          (ACPI_LV_INFO | ACPI_LV_REPAIR)
104 
105 #ifndef CONFIG_ACPI
106 
107 /* External globals for __KERNEL__, stubs is needed */
108 
109 #define ACPI_GLOBAL(t,a)
110 #define ACPI_INIT_GLOBAL(t,a,b)
111 
112 /* Generating stubs for configurable ACPICA macros */
113 
114 #define ACPI_NO_MEM_ALLOCATIONS
115 
116 /* Generating stubs for configurable ACPICA functions */
117 
118 #define ACPI_NO_ERROR_MESSAGES
119 #undef ACPI_DEBUG_OUTPUT
120 
121 /* External interface for __KERNEL__, stub is needed */
122 
123 #define ACPI_EXTERNAL_RETURN_STATUS(Prototype) \
124     static ACPI_INLINE Prototype {return(AE_NOT_CONFIGURED);}
125 #define ACPI_EXTERNAL_RETURN_OK(Prototype) \
126     static ACPI_INLINE Prototype {return(AE_OK);}
127 #define ACPI_EXTERNAL_RETURN_VOID(Prototype) \
128     static ACPI_INLINE Prototype {return;}
129 #define ACPI_EXTERNAL_RETURN_UINT32(Prototype) \
130     static ACPI_INLINE Prototype {return(0);}
131 #define ACPI_EXTERNAL_RETURN_PTR(Prototype) \
132     static ACPI_INLINE Prototype {return(NULL);}
133 
134 #endif /* CONFIG_ACPI */
135 
136 /* Host-dependent types and defines for in-kernel ACPICA */
137 
138 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
139 #define ACPI_USE_NATIVE_MATH64
140 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
141 #define strtoul                     simple_strtoul
142 
143 #define ACPI_CACHE_T                struct kmem_cache
144 #define ACPI_SPINLOCK               spinlock_t *
145 #define ACPI_CPU_FLAGS              unsigned long
146 
147 #define ACPI_UINTPTR_T              uintptr_t
148 
149 #define ACPI_TO_INTEGER(p)          ((uintptr_t)(p))
150 #define ACPI_OFFSET(d, f)           offsetof(d, f)
151 
152 /* Use native linux version of AcpiOsAllocateZeroed */
153 
154 #define USE_NATIVE_ALLOCATE_ZEROED
155 
156 /*
157  * Overrides for in-kernel ACPICA
158  */
159 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsInitialize
160 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsTerminate
161 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAllocate
162 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAllocateZeroed
163 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsFree
164 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAcquireObject
165 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetThreadId
166 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsCreateLock
167 
168 /*
169  * OSL interfaces used by debugger/disassembler
170  */
171 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsReadable
172 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsWritable
173 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsInitializeDebugger
174 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsTerminateDebugger
175 
176 /*
177  * OSL interfaces used by utilities
178  */
179 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsRedirectOutput
180 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByName
181 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByIndex
182 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByAddress
183 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsOpenDirectory
184 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetNextFilename
185 #define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsCloseDirectory
186 
187 #define ACPI_MSG_ERROR          KERN_ERR "ACPI Error: "
188 #define ACPI_MSG_EXCEPTION      KERN_ERR "ACPI Exception: "
189 #define ACPI_MSG_WARNING        KERN_WARNING "ACPI Warning: "
190 #define ACPI_MSG_INFO           KERN_INFO "ACPI: "
191 
192 #define ACPI_MSG_BIOS_ERROR     KERN_ERR "ACPI BIOS Error (bug): "
193 #define ACPI_MSG_BIOS_WARNING   KERN_WARNING "ACPI BIOS Warning (bug): "
194 
195 /*
196  * Linux wants to use designated initializers for function pointer structs.
197  */
198 #define ACPI_STRUCT_INIT(field, value)  .field = value
199 
200 #else /* !__KERNEL__ */
201 
202 #define ACPI_USE_STANDARD_HEADERS
203 
204 #ifdef ACPI_USE_STANDARD_HEADERS
205 #include <stddef.h>
206 #include <unistd.h>
207 #include <stdint.h>
208 
209 #define ACPI_OFFSET(d, f)   offsetof(d, f)
210 #endif
211 
212 /* Define/disable kernel-specific declarators */
213 
214 #ifndef __init
215 #define __init
216 #endif
217 #ifndef __iomem
218 #define __iomem
219 #endif
220 
221 /* Host-dependent types and defines for user-space ACPICA */
222 
223 #define ACPI_FLUSH_CPU_CACHE()
224 #define ACPI_CAST_PTHREAD_T(Pthread) ((ACPI_THREAD_ID) (Pthread))
225 
226 #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\
227     defined(__aarch64__) || defined(__PPC64__) ||\
228     defined(__s390x__)   || defined(__loongarch__) ||\
229     (defined(__riscv) && (defined(__LP64__) || defined(_LP64)))
230 #define ACPI_MACHINE_WIDTH          64
231 #define COMPILER_DEPENDENT_INT64    long
232 #define COMPILER_DEPENDENT_UINT64   unsigned long
233 #else
234 #define ACPI_MACHINE_WIDTH          32
235 #define COMPILER_DEPENDENT_INT64    long long
236 #define COMPILER_DEPENDENT_UINT64   unsigned long long
237 #define ACPI_USE_NATIVE_DIVIDE
238 #define ACPI_USE_NATIVE_MATH64
239 #endif
240 
241 #ifndef __cdecl
242 #define __cdecl
243 #endif
244 
245 #endif /* __KERNEL__ */
246 
247 #endif /* __ACLINUX_H__ */
248