mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-26 05:34:13 +08:00
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>
This commit is contained in:
Lv Zheng
Rafael J. Wysocki
parent
636fcfefa2
commit
d13bd5a602
@ -62,8 +62,6 @@
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#include <acpi/acrestyp.h> /* Resource Descriptor structs */
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#include <acpi/acpiosxf.h> /* OSL interfaces (ACPICA-to-OS) */
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#include <acpi/acpixf.h> /* ACPI core subsystem external interfaces */
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#ifdef ACPI_NATIVE_INTERFACE_HEADER
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#include ACPI_NATIVE_INTERFACE_HEADER
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#endif
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#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
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#endif /* __ACPI_H__ */
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63
include/acpi/platform/acenvex.h
Normal file
63
include/acpi/platform/acenvex.h
Normal file
@ -0,0 +1,63 @@
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/******************************************************************************
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*
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* Name: acenvex.h - Extra host and compiler configuration
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2014, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACENVEX_H__
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#define __ACENVEX_H__
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/*! [Begin] no source code translation */
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/******************************************************************************
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*
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* Extra host configuration files. All ACPICA headers are included before
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* including these files.
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*
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*****************************************************************************/
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#if defined(_LINUX) || defined(__linux__)
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#include <acpi/platform/aclinuxex.h>
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#endif
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/*! [End] no source code translation !*/
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#endif /* __ACENVEX_H__ */
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@ -114,6 +114,42 @@
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#define acpi_spinlock spinlock_t *
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#define acpi_cpu_flags unsigned long
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/* Use native linux version of acpi_os_allocate_zeroed */
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#define USE_NATIVE_ALLOCATE_ZEROED
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/*
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* Overrides for in-kernel ACPICA
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
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/*
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* OSL interfaces used by debugger/disassembler
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
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/*
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* OSL interfaces used by utilities
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
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#else /* !__KERNEL__ */
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#include <stdarg.h>
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@ -159,122 +195,4 @@
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#include <acpi/platform/acgcc.h>
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#ifdef __KERNEL__
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/*
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* FIXME: Inclusion of actypes.h
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* Linux kernel need this before defining inline OSL interfaces as
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* actypes.h need to be included to find ACPICA type definitions.
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* Since from ACPICA's perspective, the actypes.h should be included after
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* acenv.h (aclinux.h), this leads to a inclusion mis-ordering issue.
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*/
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#include <acpi/actypes.h>
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/*
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* Overrides for in-kernel ACPICA
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*/
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acpi_status __init acpi_os_initialize(void);
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
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acpi_status acpi_os_terminate(void);
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
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/*
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* Memory allocation/deallocation
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*/
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/*
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* The irqs_disabled() check is for resume from RAM.
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* Interrupts are off during resume, just like they are for boot.
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* However, boot has (system_state != SYSTEM_RUNNING)
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* to quiet __might_sleep() in kmalloc() and resume does not.
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*/
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static inline void *acpi_os_allocate(acpi_size size)
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{
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return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
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/* Use native linux version of acpi_os_allocate_zeroed */
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static inline void *acpi_os_allocate_zeroed(acpi_size size)
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{
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return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
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#define USE_NATIVE_ALLOCATE_ZEROED
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static inline void acpi_os_free(void *memory)
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{
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kfree(memory);
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}
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
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static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
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{
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return kmem_cache_zalloc(cache,
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irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
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static inline acpi_thread_id acpi_os_get_thread_id(void)
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{
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return (acpi_thread_id) (unsigned long)current;
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}
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
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/*
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* When lockdep is enabled, the spin_lock_init() macro stringifies it's
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* argument and uses that as a name for the lock in debugging.
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* By executing spin_lock_init() in a macro the key changes from "lock" for
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* all locks to the name of the argument of acpi_os_create_lock(), which
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* prevents lockdep from reporting false positives for ACPICA locks.
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*/
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#define acpi_os_create_lock(__handle) \
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({ \
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spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
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if (lock) { \
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*(__handle) = lock; \
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spin_lock_init(*(__handle)); \
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} \
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lock ? AE_OK : AE_NO_MEMORY; \
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})
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
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void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
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void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
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/*
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* OSL interfaces used by debugger/disassembler
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
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/*
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* OSL interfaces used by utilities
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*/
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
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#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
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/*
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* OSL interfaces added by Linux
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*/
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void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
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#endif /* __KERNEL__ */
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#endif /* __ACLINUX_H__ */
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116
include/acpi/platform/aclinuxex.h
Normal file
116
include/acpi/platform/aclinuxex.h
Normal file
@ -0,0 +1,116 @@
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/******************************************************************************
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*
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* Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2014, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACLINUXEX_H__
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#define __ACLINUXEX_H__
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#ifdef __KERNEL__
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/*
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* Overrides for in-kernel ACPICA
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*/
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acpi_status __init acpi_os_initialize(void);
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acpi_status acpi_os_terminate(void);
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/*
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* The irqs_disabled() check is for resume from RAM.
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* Interrupts are off during resume, just like they are for boot.
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* However, boot has (system_state != SYSTEM_RUNNING)
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* to quiet __might_sleep() in kmalloc() and resume does not.
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*/
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static inline void *acpi_os_allocate(acpi_size size)
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{
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return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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static inline void *acpi_os_allocate_zeroed(acpi_size size)
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{
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return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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static inline void acpi_os_free(void *memory)
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{
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kfree(memory);
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}
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static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
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{
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return kmem_cache_zalloc(cache,
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irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
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}
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static inline acpi_thread_id acpi_os_get_thread_id(void)
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{
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return (acpi_thread_id) (unsigned long)current;
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}
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/*
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* When lockdep is enabled, the spin_lock_init() macro stringifies it's
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* argument and uses that as a name for the lock in debugging.
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* By executing spin_lock_init() in a macro the key changes from "lock" for
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* all locks to the name of the argument of acpi_os_create_lock(), which
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* prevents lockdep from reporting false positives for ACPICA locks.
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*/
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#define acpi_os_create_lock(__handle) \
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({ \
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spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
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if (lock) { \
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*(__handle) = lock; \
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spin_lock_init(*(__handle)); \
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} \
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lock ? AE_OK : AE_NO_MEMORY; \
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})
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void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
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void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
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/*
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* OSL interfaces added by Linux
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*/
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void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
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#endif /* __KERNEL__ */
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#endif /* __ACLINUXEX_H__ */
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