linux/include/acpi/platform/aclinux.h

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/******************************************************************************
*
* Name: aclinux.h - OS specific defines, etc. for Linux
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2016, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#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
#ifdef __KERNEL__
ACPICA: acpidump: Remove integer types translation protection. Remove translation protection for applications as Linux tools folder will start to use such types. In Linux kernel source tree, after removing this translation protection, the u8/u16/u32/u64/s32/s64 typedefs are exposed for both __KERNEL__ builds and !__KERNEL__ builds (tools/power/acpi) and the original definitions of ACPI_UINT8/16/32/64_MAX are changed. For !__KERNEL__ builds, this kind of defintions should already been tested by the distribution vendors that are distributing binary ACPICA package and we've achieved the successful built/run test result in the kernel source tree. For __KERNEL__ builds, there are 2 things affected: 1. u8/u16/u32/u64/s32/s64 type definitions: Since Linux has already type defined u8/u16/u32/u64/s32/s64 in include/uapi/asm-generic/int-ll64.h for __KERNEL__. In order not to introduce build regressions where the 2 typedefs are differed, ACPI_USE_SYSTEM_INTTYPES is introduced to mask out ACPICA's typedefs. It must be defined for Linux __KERNEL__ builds. 2. ACPI_UINT8/16/32/64_MAX definitions: Before applying this change: ACPI_UINT8_MAX: sizeof (UINT8) UINT8: unsigned char ACPI_UINT16_MAX: sizeof (UINT16) UINT16: unsigned short ACPI_UINT32_MAX: sizeof (UINT32) INT32: int UINT32: unsigned int ACPI_UINT64_MAX: sizeof (UINT64) INT64: COMPILER_DEPENDENT_INT64 COMPILER_DEPENDENT_INT64: signed long (IA64) or signed long long (IA32) UINT64: COMPILER_DEPENDENT_UINT64 COMPILER_DEPENDENT_UINT64: unsigned long (IA64) or unsigned long long (IA32) After applying this change: ACPI_UINT8_MAX: sizeof (u8) u8: unsigned char UINT8: (removed from actypes.h) ACPI_UINT16_MAX: sizeof (u16) u16: unsigned short UINT16: (removed from actypes.h) ACPI_UINT32_MAX: sizeof (u32) INT32/UINT32: (removed from actypes.h) s32: signed int u32: unsigned int ACPI_UINT64_MAX: sizeof (u64) INT64/UINT64: (removed from actypes.h) u64: unsigned long long s64: signed long long COMPILER_DEPENDENT_INT64: signed long (IA64) (not used any more) signed long long (IA32) (not used any more) COMPILER_DEPENDENT_UINT64: unsigned long (IA64) (not used any more) unsigned long long (IA32) (not used any more) All definitions are equal except ACPI_UINT64_MAX for CONFIG_IA64. It is changed from sizeof(unsigned long) to sizeof(unsigned long long). By investigation, 64bit Linux kernel build is LP64 compliant, i.e., sizeof(long) and (pointer) are 64. As sizeof(unsigned long) equals to sizeof(unsigned long long) on IA64 platform where CONFIG_64BIT cannot be disabled, this change actually will not affect the value of ACPI_UINT64_MAX on IA64 platforms. This patch is necessary for the ACPICA's acpidump tool to build correctly. Lv Zheng. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-02-11 10:51:43 +08:00
#define ACPI_USE_SYSTEM_INTTYPES
ACPI: Enable build of AML interpreter debugger This patch enables ACPICA debugger files using a configurable CONFIG_ACPI_DEBUGGER configuration item. Those debugger related code that was originally masked as ACPI_FUTURE_USAGE now gets unmasked. Necessary OSL stubs are also added in this patch: 1. acpi_os_readable(): This should be arch specific in Linux, while this patch doesn't introduce real implementation and a complex mechanism to allow architecture specific acpi_os_readable() to be implemented to validate the address. It may be done by future commits. 2. acpi_os_get_line(): This is used to obtain debugger command input. This patch only introduces a simple KDB concept example in it and the example should be co-working with the code implemented in acpi_os_printf(). Since this KDB example won't be compiled unless ENABLE_DEBUGGER is defined and it seems Linux has already stopped to use ENABLE_DEBUGGER, thus do not expect it can work properly. This patch also cleans up all other ACPI_FUTURE_USAGE surroundings accordingly. 1. Since linkage error can be automatically detected, declaration in the headers needn't be surrounded by ACPI_FUTURE_USAGE. So only the following separate exported fuction bodies are masked by this macro (other exported fucntions may have already been masked at entire module level via drivers/acpi/acpica/Makefile): acpi_install_exception_handler() acpi_subsystem_status() acpi_get_system_info() acpi_get_statistics() acpi_install_initialization_handler() 2. Since strip can automatically zap the no-user functions, functions that are not marked with ACPI_EXPORT_SYMBOL() needn't get surrounded by ACPI_FUTURE_USAGE. So the following function which is not used by Linux kernel now won't get surrounded by this macro: acpi_ps_get_name() Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-10-19 10:25:56 +08:00
/* Kernel specific ACPICA configuration */
#ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
#define ACPI_REDUCED_HARDWARE 1
#endif
ACPI: Enable build of AML interpreter debugger This patch enables ACPICA debugger files using a configurable CONFIG_ACPI_DEBUGGER configuration item. Those debugger related code that was originally masked as ACPI_FUTURE_USAGE now gets unmasked. Necessary OSL stubs are also added in this patch: 1. acpi_os_readable(): This should be arch specific in Linux, while this patch doesn't introduce real implementation and a complex mechanism to allow architecture specific acpi_os_readable() to be implemented to validate the address. It may be done by future commits. 2. acpi_os_get_line(): This is used to obtain debugger command input. This patch only introduces a simple KDB concept example in it and the example should be co-working with the code implemented in acpi_os_printf(). Since this KDB example won't be compiled unless ENABLE_DEBUGGER is defined and it seems Linux has already stopped to use ENABLE_DEBUGGER, thus do not expect it can work properly. This patch also cleans up all other ACPI_FUTURE_USAGE surroundings accordingly. 1. Since linkage error can be automatically detected, declaration in the headers needn't be surrounded by ACPI_FUTURE_USAGE. So only the following separate exported fuction bodies are masked by this macro (other exported fucntions may have already been masked at entire module level via drivers/acpi/acpica/Makefile): acpi_install_exception_handler() acpi_subsystem_status() acpi_get_system_info() acpi_get_statistics() acpi_install_initialization_handler() 2. Since strip can automatically zap the no-user functions, functions that are not marked with ACPI_EXPORT_SYMBOL() needn't get surrounded by ACPI_FUTURE_USAGE. So the following function which is not used by Linux kernel now won't get surrounded by this macro: acpi_ps_get_name() Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-10-19 10:25:56 +08:00
#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>
ACPI: ACPICA 20060623 Implemented a new acpi_spinlock type for the OSL lock interfaces. This allows the type to be customized to the host OS for improved efficiency (since a spinlock is usually a very small object.) Implemented support for "ignored" bits in the ACPI registers. According to the ACPI specification, these bits should be preserved when writing the registers via a read/modify/write cycle. There are 3 bits preserved in this manner: PM1_CONTROL[0] (SCI_EN), PM1_CONTROL[9], and PM1_STATUS[11]. http://bugzilla.kernel.org/show_bug.cgi?id=3691 Implemented the initial deployment of new OSL mutex interfaces. Since some host operating systems have separate mutex and semaphore objects, this feature was requested. The base code now uses mutexes (and the new mutex interfaces) wherever a binary semaphore was used previously. However, for the current release, the mutex interfaces are defined as macros to map them to the existing semaphore interfaces. Fixed several problems with the support for the control method SyncLevel parameter. The SyncLevel now works according to the ACPI specification and in concert with the Mutex SyncLevel parameter, since the current SyncLevel is a property of the executing thread. Mutual exclusion for control methods is now implemented with a mutex instead of a semaphore. Fixed three instances of the use of the C shift operator in the bitfield support code (exfldio.c) to avoid the use of a shift value larger than the target data width. The behavior of C compilers is undefined in this case and can cause unpredictable results, and therefore the case must be detected and avoided. (Fiodor Suietov) Added an info message whenever an SSDT or OEM table is loaded dynamically via the Load() or LoadTable() ASL operators. This should improve debugging capability since it will show exactly what tables have been loaded (beyond the tables present in the RSDT/XSDT.) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2006-06-24 05:04:00 +08:00
#include <linux/spinlock_types.h>
#ifdef EXPORT_ACPI_INTERFACES
#include <linux/export.h>
#endif
#ifdef CONFIG_ACPI
ACPICA: Linux headers: Add <asm/acenv.h> to remove mis-ordered inclusion of <asm/acpi.h> There is a mis-order inclusion for <asm/acpi.h>. As we will enforce including <linux/acpi.h> for all Linux ACPI users, we can find the inclusion order is as follows: <linux/acpi.h> <acpi/acpi.h> <acpi/platform/acenv.h> (acenv.h before including aclinux.h) <acpi/platform/aclinux.h> ........................................................................... (aclinux.h before including asm/acpi.h) <asm/acpi.h> @Redundant@ (ACPICA specific stuff) ........................................................................... ........................................................................... (Linux ACPI specific stuff) ? - - - - - - - - - - - - + (aclinux.h after including asm/acpi.h) @Invisible@ | (acenv.h after including aclinux.h) @Invisible@ | other ACPICA headers @Invisible@ | ............................................................|.............. <acpi/acpi_bus.h> | <acpi/acpi_drivers.h> | <asm/acpi.h> (Excluded) | (Linux ACPI specific stuff) ! <- - - - - - - - - - - - - + NOTE that, in ACPICA, <acpi/platform/acenv.h> is more like Kconfig generated <generated/autoconf.h> for Linux, it is meant to be included before including any ACPICA code. In the above figure, there is a question mark for "Linux ACPI specific stuff" in <asm/acpi.h> which should be included after including all other ACPICA header files. Thus they really need to be moved to the position marked with exclaimation mark or the definitions in the blocks marked with "@Invisible@" will be invisible to such architecture specific "Linux ACPI specific stuff" header blocks. This leaves 2 issues: 1. All environmental definitions in these blocks should have a copy in the area marked with "@Redundant@" if they are required by the "Linux ACPI specific stuff". 2. We cannot use any ACPICA defined types in <asm/acpi.h>. This patch splits architecture specific ACPICA stuff from <asm/acpi.h> to fix this issue. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-05-12 15:46:38 +08:00
#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_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
#define strtoul simple_strtoul
ACPICA 20050617-0624 from Bob Moore <robert.moore@intel.com> ACPICA 20050617: Moved the object cache operations into the OS interface layer (OSL) to allow the host OS to handle these operations if desired (for example, the Linux OSL will invoke the slab allocator). This support is optional; the compile time define ACPI_USE_LOCAL_CACHE may be used to utilize the original cache code in the ACPI CA core. The new OSL interfaces are shown below. See utalloc.c for an example implementation, and acpiosxf.h for the exact interface definitions. Thanks to Alexey Starikovskiy. acpi_os_create_cache acpi_os_delete_cache acpi_os_purge_cache acpi_os_acquire_object acpi_os_release_object Modified the interfaces to acpi_os_acquire_lock and acpi_os_release_lock to return and restore a flags parameter. This fits better with many OS lock models. Note: the current execution state (interrupt handler or not) is no longer passed to these interfaces. If necessary, the OSL must determine this state by itself, a simple and fast operation. Thanks to Alexey Starikovskiy. Fixed a problem in the ACPI table handling where a valid XSDT was assumed present if the revision of the RSDP was 2 or greater. According to the ACPI specification, the XSDT is optional in all cases, and the table manager therefore now checks for both an RSDP >=2 and a valid XSDT pointer. Otherwise, the RSDT pointer is used. Some ACPI 2.0 compliant BIOSs contain only the RSDT. Fixed an interpreter problem with the Mid() operator in the case of an input string where the resulting output string is of zero length. It now correctly returns a valid, null terminated string object instead of a string object with a null pointer. Fixed a problem with the control method argument handling to allow a store to an Arg object that already contains an object of type Device. The Device object is now correctly overwritten. Previously, an error was returned. ACPICA 20050624: Modified the new OSL cache interfaces to use ACPI_CACHE_T as the type for the host-defined cache object. This allows the OSL implementation to define and type this object in any manner desired, simplifying the OSL implementation. For example, ACPI_CACHE_T is defined as kmem_cache_t for Linux, and should be defined in the OS-specific header file for other operating systems as required. Changed the interface to AcpiOsAcquireObject to directly return the requested object as the function return (instead of ACPI_STATUS.) This change was made for performance reasons, since this is the purpose of the interface in the first place. acpi_os_acquire_object is now similar to the acpi_os_allocate interface. Thanks to Alexey Starikovskiy. Modified the initialization sequence in acpi_initialize_subsystem to call the OSL interface acpi_osl_initialize first, before any local initialization. This change was required because the global initialization now calls OSL interfaces. Restructured the code base to split some files because of size and/or because the code logically belonged in a separate file. New files are listed below. utilities/utcache.c /* Local cache interfaces */ utilities/utmutex.c /* Local mutex support */ utilities/utstate.c /* State object support */ parser/psloop.c /* Main AML parse loop */ Signed-off-by: Len Brown <len.brown@intel.com>
2005-06-24 12:00:00 +08:00
#define acpi_cache_t struct kmem_cache
#define acpi_spinlock spinlock_t *
#define acpi_cpu_flags unsigned long
ACPICA: Linux headers: Add <acpi/platform/aclinuxex.h> From ACPICA's perspective, <acpi/actypes.h> should be included after inclusion of <acpi/platform/acenv.h>. But currently in Linux, <acpi/platform/aclinux.h> included by <acpi/platform/acenv.h> has included <acpi/actypes.h> to find ACPICA types for inline functions. This causes the following problem: 1. Redundant code in <asm/acpi.h> and <acpi/platform/aclinux.h>: Linux must be careful to keep conditions for <acpi/actypes.h> inclusion consistent with the conditions for <acpi/platform/aclinux.h> inclusion. Which finally leads to the issue that we have to keep many useless macro definitions in <acpi/platform/aclinux.h> or <asm/acpi.h>. Such conditions include: COMPILER_DEPENDENT_UINT64 COMPILER_DEPENDENT_INT64 ACPI_INLINE ACPI_SYSTEM_XFACE ACPI_EXTERNAL_XFACE ACPI_INTERNAL_XFACE ACPI_INTERNAL_VAR_XFACE ACPI_MUTEX_TYPE DEBUGGER_THREADING ACPI_ACQUIRE_GLOBAL_LOCK ACPI_RELEASE_GLOBAL_LOCK ACPI_FLUSH_CPU_CACHE They have default implementations in <include/acpi/platform/acenv.h> while Linux need to keep a copy in <asm/acpi.h> to avoid build errors. This patch introduces <acpi/platform/aclinuxex.h> to fix this issue by splitting conditions and declarations (most of them are inline functions) into 2 header files so that the wrong inclusion of <acpi/actypes.h> can be removed from <acpi/platform/aclinux.h>. This patch also removes old ACPI_NATIVE_INTERFACE_HEADER mechanism which is not preferred by Linux and adds the platform/acenvex.h to be the solution to solve this issue. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-05-12 15:46:32 +08:00
/* 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
ACPICA: Debugger: Convert some mechanisms to OSPM specific The following mechanisms are OSPM specific: 1. Redirect output destination to console: no file redirection will be needed by an in-kernel debugger, there is even no file can be accessed when the debugger is running in the kernel mode. 2. Output command prompts: programs other than acpiexec can have different prompt characters and the prompt characters may be implemented as a special character sequence to form a char device IO protocol. 3. Command ready/complete handshake: OSPM debugger may wait more conditions to implement OSPM specific semantics (for example, FIFO full/empty conditions for O_NONBLOCK or IO open/close conditions). Leaving such OSPM specific stuffs in the ACPICA debugger core blocks Linux debugger IO driver implementation. Several new OSL APIs are provided by this patch: 1. acpi_os_initialize_command_signals: initialize command handshake mechanism or any other OSPM specific stuffs. 2. acpi_os_terminate_command_signals: reversal of acpi_os_initialize_command_signals. 3. acpi_os_wait_command_ready: putting debugger task into wait state when a command is not ready. OSPMs can terminate command loop by returning AE_CTRL_TERMINATE from this API. Normally, wait_event() or wait_for_multiple_object() may be used to implement this API. 4. acpi_os_notify_command_complete: putting user task into running state when a command has been completed. OSPMs can terminate command loop by returning AE_CTRL_TERMINATE from this API. Normally, wake_up() or set_event() may be used to implement this API. This patch also converts current command signaling implementation into a generic debugger layer (osgendbg.c) to be used by the existing OSPMs or acpiexec, in return, Linux can have chance to implement its own command handshake mechanism. This patch also implements acpiexec batch mode in a multi-threading mode comaptible style as a demo (this can be confirmed by configuring acpiexec into DEBUGGER_MULTI_THREADED mode where the batch mode is still working). Lv Zheng. Note that the OSPM specific command handshake mechanism is required by Linux kernel because: 1. Linux kernel trends to use wait queue to synchronize two threads, using mutexes to achieve that will cause false "dead lock" warnings. 2. The command handshake mechanism implemented by ACPICA is implemented in this way because of a design issue in debugger IO streaming. Debugger IO outputs are simply cached using a giant buffer, this should be tuned by Linux in the future. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-12-03 10:42:46 +08:00
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_command_signals
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_command_signals
ACPICA: Linux headers: Add <acpi/platform/aclinuxex.h> From ACPICA's perspective, <acpi/actypes.h> should be included after inclusion of <acpi/platform/acenv.h>. But currently in Linux, <acpi/platform/aclinux.h> included by <acpi/platform/acenv.h> has included <acpi/actypes.h> to find ACPICA types for inline functions. This causes the following problem: 1. Redundant code in <asm/acpi.h> and <acpi/platform/aclinux.h>: Linux must be careful to keep conditions for <acpi/actypes.h> inclusion consistent with the conditions for <acpi/platform/aclinux.h> inclusion. Which finally leads to the issue that we have to keep many useless macro definitions in <acpi/platform/aclinux.h> or <asm/acpi.h>. Such conditions include: COMPILER_DEPENDENT_UINT64 COMPILER_DEPENDENT_INT64 ACPI_INLINE ACPI_SYSTEM_XFACE ACPI_EXTERNAL_XFACE ACPI_INTERNAL_XFACE ACPI_INTERNAL_VAR_XFACE ACPI_MUTEX_TYPE DEBUGGER_THREADING ACPI_ACQUIRE_GLOBAL_LOCK ACPI_RELEASE_GLOBAL_LOCK ACPI_FLUSH_CPU_CACHE They have default implementations in <include/acpi/platform/acenv.h> while Linux need to keep a copy in <asm/acpi.h> to avoid build errors. This patch introduces <acpi/platform/aclinuxex.h> to fix this issue by splitting conditions and declarations (most of them are inline functions) into 2 header files so that the wrong inclusion of <acpi/actypes.h> can be removed from <acpi/platform/aclinux.h>. This patch also removes old ACPI_NATIVE_INTERFACE_HEADER mechanism which is not preferred by Linux and adds the platform/acenvex.h to be the solution to solve this issue. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-05-12 15:46:32 +08:00
/*
* 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): "
#else /* !__KERNEL__ */
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
/* Define/disable kernel-specific declarators */
#ifndef __init
#define __init
#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(__aarch64__) || defined(__PPC64__)
#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
#endif
#ifndef __cdecl
#define __cdecl
#endif
#endif /* __KERNEL__ */
/* Linux uses GCC */
#include <acpi/platform/acgcc.h>
#endif /* __ACLINUX_H__ */