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/******************************************************************************
*
* Name: aclinux.h - OS specific defines, etc. for Linux
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2014, 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__
/* Common (in-kernel/user-space) ACPICA configuration */
#define ACPI_USE_SYSTEM_CLIBRARY
#define ACPI_USE_DO_WHILE_0
#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
#ifdef __KERNEL__
#define ACPI_USE_SYSTEM_INTTYPES
#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
#include <asm/acpi.h>
#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
#define ACPI_CACHE_T struct kmem_cache
#define ACPI_SPINLOCK spinlock_t *
#define ACPI_CPU_FLAGS unsigned long
#else /* !__KERNEL__ */
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
/* 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(__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 "acgcc.h"
#ifdef __KERNEL__
/*
* FIXME: Inclusion of actypes.h
* Linux kernel need this before defining inline OSL interfaces as
* actypes.h need to be included to find ACPICA type definitions.
* Since from ACPICA's perspective, the actypes.h should be included after
* acenv.h (aclinux.h), this leads to a inclusion mis-ordering issue.
*/
#include <acpi/actypes.h>
/*
* Overrides for in-kernel ACPICA
*/
ACPI_STATUS __init AcpiOsInitialize (
void);
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsInitialize
ACPI_STATUS AcpiOsTerminate (
void);
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsTerminate
/*
* Memory allocation/deallocation
*/
/*
* The irqs_disabled() check is for resume from RAM.
* Interrupts are off during resume, just like they are for boot.
* However, boot has (system_state != SYSTEM_RUNNING)
* to quiet __might_sleep() in kmalloc() and resume does not.
*/
static inline void *
AcpiOsAllocate (
ACPI_SIZE Size)
{
return kmalloc (Size, irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAllocate
/* Use native linux version of AcpiOsAllocateZeroed */
static inline void *
AcpiOsAllocateZeroed (
ACPI_SIZE Size)
{
return kzalloc (Size, irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAllocateZeroed
#define USE_NATIVE_ALLOCATE_ZEROED
static inline void
AcpiOsFree (
void *Memory)
{
kfree (Memory);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsFree
static inline void *
AcpiOsAcquireObject (
ACPI_CACHE_T *Cache)
{
return kmem_cache_zalloc (Cache,
irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsAcquireObject
static inline ACPI_THREAD_ID
AcpiOsGetThreadId (
void)
{
return (ACPI_THREAD_ID) (unsigned long) current;
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetThreadId
#ifndef CONFIG_PREEMPT
/*
* Used within ACPICA to show where it is safe to preempt execution
* when CONFIG_PREEMPT=n
*/
#define ACPI_PREEMPTION_POINT() \
do { \
if (!irqs_disabled()) \
cond_resched(); \
} while (0)
#endif
/*
* When lockdep is enabled, the spin_lock_init() macro stringifies it's
* argument and uses that as a name for the lock in debugging.
* By executing spin_lock_init() in a macro the key changes from "lock" for
* all locks to the name of the argument of acpi_os_create_lock(), which
* prevents lockdep from reporting false positives for ACPICA locks.
*/
#define AcpiOsCreateLock(__Handle) \
({ \
spinlock_t *Lock = ACPI_ALLOCATE(sizeof(*Lock)); \
if (Lock) { \
*(__Handle) = Lock; \
spin_lock_init(*(__Handle)); \
} \
Lock ? AE_OK : AE_NO_MEMORY; \
})
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsCreateLock
void __iomem *
AcpiOsMapMemory (
ACPI_PHYSICAL_ADDRESS Where,
ACPI_SIZE Length);
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsMapMemory
void
AcpiOsUnmapMemory (
void __iomem *LogicalAddress,
ACPI_SIZE Size);
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsUnmapMemory
/*
* OSL interfaces used by debugger/disassembler
*/
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsReadable
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsWritable
/*
* OSL interfaces used by utilities
*/
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsRedirectOutput
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetLine
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByName
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByIndex
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetTableByAddress
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsOpenDirectory
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsGetNextFilename
#define ACPI_USE_ALTERNATE_PROTOTYPE_AcpiOsCloseDirectory
/*
* OSL interfaces added by Linux
*/
void
EarlyAcpiOsUnmapMemory (
void __iomem *Virt,
ACPI_SIZE Size);
#endif /* __KERNEL__ */
#endif /* __ACLINUX_H__ */
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