/****************************************************************************** * * Name: aclinux.h - OS specific defines, etc. for Linux * *****************************************************************************/ /* * Copyright (C) 2000 - 2013, 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__ #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> /* 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> /* 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__)#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 #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 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); void acpi_os_gpe_count(u32 gpe_number); void acpi_os_fixed_event_count(u32 fixed_event_number); #endif				/* __KERNEL__ */ #endif				/* __ACLINUX_H__ */