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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
/* Compile for reduced hardware mode only with this kernel config */
#ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
#define ACPI_REDUCED_HARDWARE 1
#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
#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 <acpi/platform/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 acpi_os_initialize(void);
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
acpi_status acpi_os_terminate(void);
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
/*
* 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 *acpi_os_allocate(acpi_size size)
{
return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
/* Use native linux version of acpi_os_allocate_zeroed */
static inline void *acpi_os_allocate_zeroed(acpi_size size)
{
return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
#define USE_NATIVE_ALLOCATE_ZEROED
static inline void acpi_os_free(void *memory)
{
kfree(memory);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
{
return kmem_cache_zalloc(cache,
irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
static inline acpi_thread_id acpi_os_get_thread_id(void)
{
return (acpi_thread_id) (unsigned long)current;
}
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
/*
* 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 acpi_os_create_lock(__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_acpi_os_create_lock
void __iomem *acpi_os_map_memory(acpi_physical_address where, acpi_size length);
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_map_memory
void acpi_os_unmap_memory(void __iomem * logical_address, acpi_size size);
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_unmap_memory
/*
* OSL interfaces used by debugger/disassembler
*/
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
/*
* OSL interfaces used by utilities
*/
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
#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
/*
* OSL interfaces added by Linux
*/
void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
#endif /* __KERNEL__ */
#endif /* __ACLINUX_H__ */
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