xref: /openbmc/linux/include/acpi/platform/aclinux.h (revision 840c02ca)
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 - 2019, 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 #ifndef CONFIG_ACPI
70 
71 /* External globals for __KERNEL__, stubs is needed */
72 
73 #define ACPI_GLOBAL(t,a)
74 #define ACPI_INIT_GLOBAL(t,a,b)
75 
76 /* Generating stubs for configurable ACPICA macros */
77 
78 #define ACPI_NO_MEM_ALLOCATIONS
79 
80 /* Generating stubs for configurable ACPICA functions */
81 
82 #define ACPI_NO_ERROR_MESSAGES
83 #undef ACPI_DEBUG_OUTPUT
84 
85 /* External interface for __KERNEL__, stub is needed */
86 
87 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
88 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
89 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
90 	static ACPI_INLINE prototype {return(AE_OK);}
91 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
92 	static ACPI_INLINE prototype {return;}
93 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
94 	static ACPI_INLINE prototype {return(0);}
95 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
96 	static ACPI_INLINE prototype {return(NULL);}
97 
98 #endif				/* CONFIG_ACPI */
99 
100 /* Host-dependent types and defines for in-kernel ACPICA */
101 
102 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
103 #define ACPI_USE_NATIVE_MATH64
104 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
105 #define strtoul                     simple_strtoul
106 
107 #define acpi_cache_t                        struct kmem_cache
108 #define acpi_spinlock                       spinlock_t *
109 #define acpi_raw_spinlock                   raw_spinlock_t *
110 #define acpi_cpu_flags                      unsigned long
111 
112 /* Use native linux version of acpi_os_allocate_zeroed */
113 
114 #define USE_NATIVE_ALLOCATE_ZEROED
115 
116 /*
117  * Overrides for in-kernel ACPICA
118  */
119 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
120 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
121 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
122 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
123 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
124 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
125 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
126 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
127 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
128 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
129 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
130 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock
131 
132 /*
133  * OSL interfaces used by debugger/disassembler
134  */
135 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
136 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
137 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
138 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger
139 
140 /*
141  * OSL interfaces used by utilities
142  */
143 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
144 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
145 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
146 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
147 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
148 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
149 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
150 
151 #define ACPI_MSG_ERROR          KERN_ERR "ACPI Error: "
152 #define ACPI_MSG_EXCEPTION      KERN_ERR "ACPI Exception: "
153 #define ACPI_MSG_WARNING        KERN_WARNING "ACPI Warning: "
154 #define ACPI_MSG_INFO           KERN_INFO "ACPI: "
155 
156 #define ACPI_MSG_BIOS_ERROR     KERN_ERR "ACPI BIOS Error (bug): "
157 #define ACPI_MSG_BIOS_WARNING   KERN_WARNING "ACPI BIOS Warning (bug): "
158 
159 /*
160  * Linux wants to use designated initializers for function pointer structs.
161  */
162 #define ACPI_STRUCT_INIT(field, value)	.field = value
163 
164 #else				/* !__KERNEL__ */
165 
166 #define ACPI_USE_STANDARD_HEADERS
167 
168 #ifdef ACPI_USE_STANDARD_HEADERS
169 #include <unistd.h>
170 #endif
171 
172 /* Define/disable kernel-specific declarators */
173 
174 #ifndef __init
175 #define __init
176 #endif
177 #ifndef __iomem
178 #define __iomem
179 #endif
180 
181 /* Host-dependent types and defines for user-space ACPICA */
182 
183 #define ACPI_FLUSH_CPU_CACHE()
184 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
185 
186 #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\
187 	defined(__aarch64__) || defined(__PPC64__) ||\
188 	defined(__s390x__)
189 #define ACPI_MACHINE_WIDTH          64
190 #define COMPILER_DEPENDENT_INT64    long
191 #define COMPILER_DEPENDENT_UINT64   unsigned long
192 #else
193 #define ACPI_MACHINE_WIDTH          32
194 #define COMPILER_DEPENDENT_INT64    long long
195 #define COMPILER_DEPENDENT_UINT64   unsigned long long
196 #define ACPI_USE_NATIVE_DIVIDE
197 #define ACPI_USE_NATIVE_MATH64
198 #endif
199 
200 #ifndef __cdecl
201 #define __cdecl
202 #endif
203 
204 #endif				/* __KERNEL__ */
205 
206 #endif				/* __ACLINUX_H__ */
207