cregit-Linux how code gets into the kernel

Release 4.17 include/acpi/platform/aclinux.h

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
 *
 * Name: aclinux.h - OS specific defines, etc. for Linux
 *
 * Copyright (C) 2000 - 2018, 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 don't 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_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

#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_cpu_flags                      unsigned long

/* Use native linux version of acpi_os_allocate_zeroed */


#define USE_NATIVE_ALLOCATE_ZEROED

/*
 * 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

/*
 * 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 <unistd.h>
#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__)

#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__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Lv Zheng25957.05%1839.13%
Andy Grover5812.78%48.70%
Robert Moore459.91%613.04%
Linus Torvalds (pre-git)163.52%12.17%
Linus Torvalds122.64%24.35%
Colin Ian King122.64%24.35%
Kees Cook102.20%24.35%
Al Stone91.98%12.17%
Anuj Mittal81.76%12.17%
Lin Ming51.10%12.17%
Naresh Bhat51.10%12.17%
Len Brown51.10%24.35%
Erik Schmauss51.10%24.35%
Alexey Y. Starikovskiy30.66%12.17%
Christoph Lameter10.22%12.17%
Arun Sharma10.22%12.17%
Total454100.00%46100.00%
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