include/acpi/platform/aclinux.h - linux - Git at Google


            
            /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */

            
            /******************************************************************************

            
             *

            
             * Name: aclinux.h - OS specific defines, etc. for Linux

            
             *

            
             * Copyright (C) 2000 - 2026, Intel Corp.

            
             *

            
             *****************************************************************************/


            #ifndef __ACLINUX_H__

            
            #define __ACLINUX_H__


            #ifdef __KERNEL__


            /* ACPICA external files should not include ACPICA headers directly. */


            #if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)

            
            #error "Please do not include <acpi/acpi.h> directly, include <linux/acpi.h> instead."

            
            #endif


            #endif


            /* Common (in-kernel/user-space) ACPICA configuration */


            #define ACPI_USE_SYSTEM_CLIBRARY

            
            #define ACPI_USE_DO_WHILE_0

            
            #define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS


            #ifdef __KERNEL__


            #define ACPI_USE_SYSTEM_INTTYPES

            
            #define ACPI_USE_GPE_POLLING


            /* Kernel specific ACPICA configuration */


            #ifdef CONFIG_PCI

            
            #define ACPI_PCI_CONFIGURED

            
            #endif


            #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY

            
            #define ACPI_REDUCED_HARDWARE 1

            
            #endif


            #ifdef CONFIG_ACPI_DEBUGGER

            
            #define ACPI_DEBUGGER

            
            #endif


            #ifdef CONFIG_ACPI_DEBUG

            
            #define ACPI_MUTEX_DEBUG

            
            #endif


            #include <linux/string.h>

            
            #include <linux/kernel.h>

            
            #include <linux/ctype.h>

            
            #include <linux/sched.h>

            
            #include <linux/atomic.h>

            
            #include <linux/math64.h>

            
            #include <linux/slab.h>

            
            #include <linux/spinlock_types.h>

            
            #ifdef EXPORT_ACPI_INTERFACES

            
            #include <linux/export.h>

            
            #endif

            
            #ifdef CONFIG_ACPI

            
            #include <asm/acenv.h>

            
            #endif


            #define ACPI_INIT_FUNCTION __init


            /* Use a specific bugging default separate from ACPICA */


            #undef ACPI_DEBUG_DEFAULT

            
            #define ACPI_DEBUG_DEFAULT          (ACPI_LV_INFO | ACPI_LV_REPAIR)


            #ifndef CONFIG_ACPI


            /* External globals for __KERNEL__, stubs is needed */


            #define ACPI_GLOBAL(t,a)

            
            #define ACPI_INIT_GLOBAL(t,a,b)


            /* Generating stubs for configurable ACPICA macros */


            #define ACPI_NO_MEM_ALLOCATIONS


            /* Generating stubs for configurable ACPICA functions */


            #define ACPI_NO_ERROR_MESSAGES

            
            #undef ACPI_DEBUG_OUTPUT


            /* External interface for __KERNEL__, stub is needed */


            #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \

            
            	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}

            
            #define ACPI_EXTERNAL_RETURN_OK(prototype) \

            
            	static ACPI_INLINE prototype {return(AE_OK);}

            
            #define ACPI_EXTERNAL_RETURN_VOID(prototype) \

            
            	static ACPI_INLINE prototype {return;}

            
            #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \

            
            	static ACPI_INLINE prototype {return(0);}

            
            #define ACPI_EXTERNAL_RETURN_PTR(prototype) \

            
            	static ACPI_INLINE prototype {return(NULL);}


            #endif				/* CONFIG_ACPI */


            /* Host-dependent types and defines for in-kernel ACPICA */


            #define ACPI_MACHINE_WIDTH          BITS_PER_LONG

            
            #define ACPI_USE_NATIVE_MATH64

            
            #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);

            
            #define strtoul                     simple_strtoul


            #define acpi_cache_t                        struct kmem_cache

            
            #define acpi_spinlock                       spinlock_t *

            
            #define acpi_raw_spinlock                   raw_spinlock_t *

            
            #define acpi_cpu_flags                      unsigned long


            #define acpi_uintptr_t                      uintptr_t


            #define ACPI_TO_INTEGER(p)                  ((uintptr_t)(p))

            
            #define ACPI_OFFSET(d, f)                   offsetof(d, f)


            /* Use native linux version of acpi_os_allocate_zeroed */


            #define USE_NATIVE_ALLOCATE_ZEROED


            /* Use logical addresses for accessing GPE registers in system memory */


            #define ACPI_GPE_USE_LOGICAL_ADDRESSES


            /*

            
             * Overrides for in-kernel ACPICA

            
             */

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock


            /*

            
             * OSL interfaces used by debugger/disassembler

            
             */

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger


            /*

            
             * OSL interfaces used by utilities

            
             */

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename

            
            #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory


            #define ACPI_MSG_ERROR          KERN_ERR "ACPI Error: "

            
            #define ACPI_MSG_EXCEPTION      KERN_ERR "ACPI Exception: "

            
            #define ACPI_MSG_WARNING        KERN_WARNING "ACPI Warning: "

            
            #define ACPI_MSG_INFO           KERN_INFO "ACPI: "


            #define ACPI_MSG_BIOS_ERROR     KERN_ERR "ACPI BIOS Error (bug): "

            
            #define ACPI_MSG_BIOS_WARNING   KERN_WARNING "ACPI BIOS Warning (bug): "


            /*

            
             * Linux wants to use designated initializers for function pointer structs.

            
             */

            
            #define ACPI_STRUCT_INIT(field, value)	.field = value


            #else				/* !__KERNEL__ */


            #define ACPI_USE_STANDARD_HEADERS


            #ifdef ACPI_USE_STANDARD_HEADERS

            
            #include <stddef.h>

            
            #include <unistd.h>

            
            #include <stdint.h>


            #define ACPI_OFFSET(d, f)   offsetof(d, f)

            
            #endif


            /* Define/disable kernel-specific declarators */


            #ifndef __init

            
            #define __init

            
            #endif

            
            #ifndef __iomem

            
            #define __iomem

            
            #endif


            /* Host-dependent types and defines for user-space ACPICA */


            #define ACPI_FLUSH_CPU_CACHE()

            
            #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))


            #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\

            
            	defined(__aarch64__) || defined(__PPC64__) ||\

            
            	defined(__s390x__)   || defined(__loongarch__) ||\

            
            	(defined(__riscv) && (defined(__LP64__) || defined(_LP64)))

            
            #define ACPI_MACHINE_WIDTH          64

            
            #define COMPILER_DEPENDENT_INT64    long

            
            #define COMPILER_DEPENDENT_UINT64   unsigned long

            
            #else

            
            #define ACPI_MACHINE_WIDTH          32

            
            #define COMPILER_DEPENDENT_INT64    long long

            
            #define COMPILER_DEPENDENT_UINT64   unsigned long long

            
            #define ACPI_USE_NATIVE_DIVIDE

            
            #define ACPI_USE_NATIVE_MATH64

            
            #endif


            #ifndef __cdecl

            
            #define __cdecl

            
            #endif


            #endif				/* __KERNEL__ */


            #endif				/* __ACLINUX_H__ */
	/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
	/******************************************************************************
	*
	* Name: aclinux.h - OS specific defines, etc. for Linux
	*
	* Copyright (C) 2000 - 2026, Intel Corp.
	*
	*****************************************************************************/

	#ifndef __ACLINUX_H__
	#define __ACLINUX_H__

	#ifdef __KERNEL__

	/* ACPICA external files should not include ACPICA headers directly. */

	#if !defined(BUILDING_ACPICA) && !defined(_LINUX_ACPI_H)
	#error "Please do not include <acpi/acpi.h> directly, include <linux/acpi.h> instead."
	#endif

	#endif

	/* Common (in-kernel/user-space) ACPICA configuration */

	#define ACPI_USE_SYSTEM_CLIBRARY
	#define ACPI_USE_DO_WHILE_0
	#define ACPI_IGNORE_PACKAGE_RESOLUTION_ERRORS

	#ifdef __KERNEL__

	#define ACPI_USE_SYSTEM_INTTYPES
	#define ACPI_USE_GPE_POLLING

	/* Kernel specific ACPICA configuration */

	#ifdef CONFIG_PCI
	#define ACPI_PCI_CONFIGURED
	#endif

	#ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
	#define ACPI_REDUCED_HARDWARE 1
	#endif

	#ifdef CONFIG_ACPI_DEBUGGER
	#define ACPI_DEBUGGER
	#endif

	#ifdef CONFIG_ACPI_DEBUG
	#define ACPI_MUTEX_DEBUG
	#endif

	#include <linux/string.h>
	#include <linux/kernel.h>
	#include <linux/ctype.h>
	#include <linux/sched.h>
	#include <linux/atomic.h>
	#include <linux/math64.h>
	#include <linux/slab.h>
	#include <linux/spinlock_types.h>
	#ifdef EXPORT_ACPI_INTERFACES
	#include <linux/export.h>
	#endif
	#ifdef CONFIG_ACPI
	#include <asm/acenv.h>
	#endif

	#define ACPI_INIT_FUNCTION __init

	/* Use a specific bugging default separate from ACPICA */

	#undef ACPI_DEBUG_DEFAULT
	#define ACPI_DEBUG_DEFAULT (ACPI_LV_INFO \| ACPI_LV_REPAIR)

	#ifndef CONFIG_ACPI

	/* External globals for __KERNEL__, stubs is needed */

	#define ACPI_GLOBAL(t,a)
	#define ACPI_INIT_GLOBAL(t,a,b)

	/* Generating stubs for configurable ACPICA macros */

	#define ACPI_NO_MEM_ALLOCATIONS

	/* Generating stubs for configurable ACPICA functions */

	#define ACPI_NO_ERROR_MESSAGES
	#undef ACPI_DEBUG_OUTPUT

	/* External interface for __KERNEL__, stub is needed */

	#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
	#define ACPI_EXTERNAL_RETURN_OK(prototype) \
	static ACPI_INLINE prototype {return(AE_OK);}
	#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {return;}
	#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
	static ACPI_INLINE prototype {return(0);}
	#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
	static ACPI_INLINE prototype {return(NULL);}

	#endif /* CONFIG_ACPI */

	/* Host-dependent types and defines for in-kernel ACPICA */

	#define ACPI_MACHINE_WIDTH BITS_PER_LONG
	#define ACPI_USE_NATIVE_MATH64
	#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
	#define strtoul simple_strtoul

	#define acpi_cache_t struct kmem_cache
	#define acpi_spinlock spinlock_t *
	#define acpi_raw_spinlock raw_spinlock_t *
	#define acpi_cpu_flags unsigned long

	#define acpi_uintptr_t uintptr_t

	#define ACPI_TO_INTEGER(p) ((uintptr_t)(p))
	#define ACPI_OFFSET(d, f) offsetof(d, f)

	/* Use native linux version of acpi_os_allocate_zeroed */

	#define USE_NATIVE_ALLOCATE_ZEROED

	/* Use logical addresses for accessing GPE registers in system memory */

	#define ACPI_GPE_USE_LOGICAL_ADDRESSES

	/*
	* Overrides for in-kernel ACPICA
	*/
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_raw_lock
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_delete_raw_lock
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_raw_lock
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_release_raw_lock

	/*
	* OSL interfaces used by debugger/disassembler
	*/
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_debugger
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_debugger

	/*
	* OSL interfaces used by utilities
	*/
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
	#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory

	#define ACPI_MSG_ERROR KERN_ERR "ACPI Error: "
	#define ACPI_MSG_EXCEPTION KERN_ERR "ACPI Exception: "
	#define ACPI_MSG_WARNING KERN_WARNING "ACPI Warning: "
	#define ACPI_MSG_INFO KERN_INFO "ACPI: "

	#define ACPI_MSG_BIOS_ERROR KERN_ERR "ACPI BIOS Error (bug): "
	#define ACPI_MSG_BIOS_WARNING KERN_WARNING "ACPI BIOS Warning (bug): "

	/*
	* Linux wants to use designated initializers for function pointer structs.
	*/
	#define ACPI_STRUCT_INIT(field, value) .field = value

	#else /* !__KERNEL__ */

	#define ACPI_USE_STANDARD_HEADERS

	#ifdef ACPI_USE_STANDARD_HEADERS
	#include <stddef.h>
	#include <unistd.h>
	#include <stdint.h>

	#define ACPI_OFFSET(d, f) offsetof(d, f)
	#endif

	/* Define/disable kernel-specific declarators */

	#ifndef __init
	#define __init
	#endif
	#ifndef __iomem
	#define __iomem
	#endif

	/* Host-dependent types and defines for user-space ACPICA */

	#define ACPI_FLUSH_CPU_CACHE()
	#define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))

	#if defined(__ia64__) \|\| (defined(__x86_64__) && !defined(__ILP32__)) \|\|\
	defined(__aarch64__) \|\| defined(__PPC64__) \|\|\
	defined(__s390x__) \|\| defined(__loongarch__) \|\|\
	(defined(__riscv) && (defined(__LP64__) \|\| defined(_LP64)))
	#define ACPI_MACHINE_WIDTH 64
	#define COMPILER_DEPENDENT_INT64 long
	#define COMPILER_DEPENDENT_UINT64 unsigned long
	#else
	#define ACPI_MACHINE_WIDTH 32
	#define COMPILER_DEPENDENT_INT64 long long
	#define COMPILER_DEPENDENT_UINT64 unsigned long long
	#define ACPI_USE_NATIVE_DIVIDE
	#define ACPI_USE_NATIVE_MATH64
	#endif

	#ifndef __cdecl
	#define __cdecl
	#endif

	#endif /* __KERNEL__ */

	#endif /* __ACLINUX_H__ */