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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__ #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> /* 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__) #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); #endif /* __KERNEL__ */ #endif /* __ACLINUX_H__ */
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