138d15692b
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
/******************************************************************************
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*
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* Name: aclinux.h - 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 - 2009, 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 __ACLINUX_H__
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#define __ACLINUX_H__
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/* Common (in-kernel/user-space) ACPICA configuration */
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#define ACPI_USE_SYSTEM_CLIBRARY
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#define ACPI_USE_DO_WHILE_0
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#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
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#ifdef __KERNEL__
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/ctype.h>
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#include <linux/sched.h>
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#include <asm/system.h>
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#include <asm/atomic.h>
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#include <asm/div64.h>
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#include <asm/acpi.h>
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#include <linux/slab.h>
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#include <linux/spinlock_types.h>
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#include <asm/current.h>
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/* Host-dependent types and defines for in-kernel ACPICA */
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#define ACPI_MACHINE_WIDTH BITS_PER_LONG
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#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
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#define strtoul simple_strtoul
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#define acpi_cache_t struct kmem_cache
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#define acpi_spinlock spinlock_t *
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#define acpi_cpu_flags unsigned long
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#define acpi_thread_id struct task_struct *
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#else /* !__KERNEL__ */
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <unistd.h>
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/* Host-dependent types and defines for user-space ACPICA */
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#define ACPI_FLUSH_CPU_CACHE()
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#define acpi_thread_id pthread_t
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#if defined(__ia64__) || defined(__x86_64__)
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#define ACPI_MACHINE_WIDTH 64
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#define COMPILER_DEPENDENT_INT64 long
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#define COMPILER_DEPENDENT_UINT64 unsigned long
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#else
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#define ACPI_MACHINE_WIDTH 32
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#define COMPILER_DEPENDENT_INT64 long long
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#define COMPILER_DEPENDENT_UINT64 unsigned long long
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#define ACPI_USE_NATIVE_DIVIDE
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#endif
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#ifndef __cdecl
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#define __cdecl
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#endif
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#endif /* __KERNEL__ */
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/* Linux uses GCC */
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#include "acgcc.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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static inline acpi_thread_id acpi_os_get_thread_id(void)
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{
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return current;
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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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#include <acpi/actypes.h>
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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_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_ALLOCATE(a) acpi_os_allocate(a)
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#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
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#define ACPI_FREE(a) kfree(a)
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/* Used within ACPICA to show where it is safe to preempt execution */
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#include <linux/hardirq.h>
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#define ACPI_PREEMPTION_POINT() \
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do { \
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if (!in_atomic_preempt_off()) \
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cond_resched(); \
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} while (0)
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#endif /* __KERNEL__ */
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#endif /* __ACLINUX_H__ */
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