1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3 *
4 * Name: aclinux.h - OS specific defines, etc. for Linux
5 *
6 * Copyright (C) 2000 - 2023, Intel Corp.
7 *
8 *****************************************************************************/
9
10 #ifndef __ACLINUX_H__
11 #define __ACLINUX_H__
12
13 #ifdef __KERNEL__
14
15 /* ACPICA external files should not include ACPICA headers directly. */
16
17 #if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
18 #error "Please don't include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
19 #endif
20
21 #endif
22
23 /* Common (in-kernel/user-space) ACPICA configuration */
24
25 #define ACPI_USE_SYSTEM_CLIBRARY
26 #define ACPI_USE_DO_WHILE_0
27 #define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS
28
29 #ifdef __KERNEL__
30
31 #define ACPI_USE_SYSTEM_INTTYPES
32 #define ACPI_USE_GPE_POLLING
33
34 /* Kernel specific ACPICA configuration */
35
36 #ifdef CONFIG_PCI
37 #define ACPI_PCI_CONFIGURED
38 #endif
39
40 #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
41 #define ACPI_REDUCED_HARDWARE 1
42 #endif
43
44 #ifdef CONFIG_ACPI_DEBUGGER
45 #define ACPI_DEBUGGER
46 #endif
47
48 #ifdef CONFIG_ACPI_DEBUG
49 #define ACPI_MUTEX_DEBUG
50 #endif
51
52 #include <linux/string.h>
53 #include <linux/kernel.h>
54 #include <linux/ctype.h>
55 #include <linux/sched.h>
56 #include <linux/atomic.h>
57 #include <linux/math64.h>
58 #include <linux/slab.h>
59 #include <linux/spinlock_types.h>
60 #ifdef EXPORT_ACPI_INTERFACES
61 #include <linux/export.h>
62 #endif
63 #ifdef CONFIG_ACPI
64 #include <asm/acenv.h>
65 #endif
66
67 #define ACPI_INIT_FUNCTION __init
68
69 /* Use a specific bugging default separate from ACPICA */
70
71 #undef ACPI_DEBUG_DEFAULT
72 #define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO | ACPI_LV_REPAIR)
73
74 #ifndef CONFIG_ACPI
75
76 /* External globals for __KERNEL__, stubs is needed */
77
78 #define ACPI_GLOBAL(t,a)
79 #define ACPI_INIT_GLOBAL(t,a,b)
80
81 /* Generating stubs for configurable ACPICA macros */
82
83 #define ACPI_NO_MEM_ALLOCATIONS
84
85 /* Generating stubs for configurable ACPICA functions */
86
87 #define ACPI_NO_ERROR_MESSAGES
88 #undef ACPI_DEBUG_OUTPUT
89
90 /* External interface for __KERNEL__, stub is needed */
91
92 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
93 static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
94 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
95 static ACPI_INLINE prototype {return(AE_OK);}
96 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
97 static ACPI_INLINE prototype {return;}
98 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
99 static ACPI_INLINE prototype {return(0);}
100 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
101 static ACPI_INLINE prototype {return(NULL);}
102
103 #endif /* CONFIG_ACPI */
104
105 /* Host-dependent types and defines for in-kernel ACPICA */
106
107 #define ACPI_MACHINE_WIDTH BITS_PER_LONG
108 #define ACPI_USE_NATIVE_MATH64
109 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
110 #define strtoul simple_strtoul
111
112 #define acpi_cache_t struct kmem_cache
113 #define acpi_spinlock spinlock_t *
114 #define acpi_raw_spinlock raw_spinlock_t *
115 #define acpi_cpu_flags unsigned long
116
117 #define acpi_uintptr_t uintptr_t
118
119 #define ACPI_TO_INTEGER(p) ((uintptr_t)(p))
120 #define ACPI_OFFSET(d, f) offsetof(d, f)
121
122 /* Use native linux version of acpi_os_allocate_zeroed */
123
124 #define USE_NATIVE_ALLOCATE_ZEROED
125
126 /* Use logical addresses for accessing GPE registers in system memory */
127
128 #define ACPI_GPE_USE_LOGICAL_ADDRESSES
129
130 /*
131 * Overrides for in-kernel ACPICA
132 */
133 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
134 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
135 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
136 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
137 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
138 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
139 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
140 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
141 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
142 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
143 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
144 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
145
146 /*
147 * OSL interfaces used by debugger/disassembler
148 */
149 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
150 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
151 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
152 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger
153
154 /*
155 * OSL interfaces used by utilities
156 */
157 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
158 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
159 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
160 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
161 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
162 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
163 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
164
165 #define ACPI_MSG_ERROR KERN_ERR "ACPI Error: "
166 #define ACPI_MSG_EXCEPTION KERN_ERR "ACPI Exception: "
167 #define ACPI_MSG_WARNING KERN_WARNING "ACPI Warning: "
168 #define ACPI_MSG_INFO KERN_INFO "ACPI: "
169
170 #define ACPI_MSG_BIOS_ERROR KERN_ERR "ACPI BIOS Error (bug): "
171 #define ACPI_MSG_BIOS_WARNING KERN_WARNING "ACPI BIOS Warning (bug): "
172
173 /*
174 * Linux wants to use designated initializers for function pointer structs.
175 */
176 #define ACPI_STRUCT_INIT(field, value) .field = value
177
178 #else /* !__KERNEL__ */
179
180 #define ACPI_USE_STANDARD_HEADERS
181
182 #ifdef ACPI_USE_STANDARD_HEADERS
183 #include <stddef.h>
184 #include <unistd.h>
185 #include <stdint.h>
186
187 #define ACPI_OFFSET(d, f) offsetof(d, f)
188 #endif
189
190 /* Define/disable kernel-specific declarators */
191
192 #ifndef __init
193 #define __init
194 #endif
195 #ifndef __iomem
196 #define __iomem
197 #endif
198
199 /* Host-dependent types and defines for user-space ACPICA */
200
201 #define ACPI_FLUSH_CPU_CACHE()
202 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
203
204 #if defined(__ia64__) || (defined(__x86_64__) && !defined(__ILP32__)) ||\
205 defined(__aarch64__) || defined(__PPC64__) ||\
206 defined(__s390x__) || defined(__loongarch__) ||\
207 (defined(__riscv) && (defined(__LP64__) || defined(_LP64)))
208 #define ACPI_MACHINE_WIDTH 64
209 #define COMPILER_DEPENDENT_INT64 long
210 #define COMPILER_DEPENDENT_UINT64 unsigned long
211 #else
212 #define ACPI_MACHINE_WIDTH 32
213 #define COMPILER_DEPENDENT_INT64 long long
214 #define COMPILER_DEPENDENT_UINT64 unsigned long long
215 #define ACPI_USE_NATIVE_DIVIDE
216 #define ACPI_USE_NATIVE_MATH64
217 #endif
218
219 #ifndef __cdecl
220 #define __cdecl
221 #endif
222
223 #endif /* __KERNEL__ */
224
225 #endif /* __ACLINUX_H__ */
226
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