[linux-2.6-block.git] / include / acpi / platform / aclinux.h

/******************************************************************************
 *
 * Name: aclinux.h - OS specific defines, etc. for Linux
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2009, 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/module.h>
#include <linux/ctype.h>
#include <linux/sched.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/div64.h>
#include <asm/acpi.h>
#include <linux/slab.h>
#include <linux/spinlock_types.h>
#include <asm/current.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
#define acpi_thread_id                      struct task_struct *

#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_thread_id                      pthread_t

#if defined(__ia64__) || defined(__x86_64__)
#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__
/*
 * Overrides for in-kernel ACPICA
 */
static inline acpi_thread_id acpi_os_get_thread_id(void)
{
	return current;
}

/*
 * 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.
 */
#include <acpi/actypes.h>
static inline void *acpi_os_allocate(acpi_size size)
{
	return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}

static inline void *acpi_os_allocate_zeroed(acpi_size size)
{
	return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}

static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
{
	return kmem_cache_zalloc(cache,
		irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}

#define ACPI_ALLOCATE(a)        acpi_os_allocate(a)
#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
#define ACPI_FREE(a)            kfree(a)

/* Used within ACPICA to show where it is safe to preempt execution */
#include <linux/hardirq.h>
#define ACPI_PREEMPTION_POINT() \
	do { \
		if (!in_atomic_preempt_off() && !irqs_disabled()) \
			cond_resched(); \
	} while (0)

#endif /* __KERNEL__ */

#endif /* __ACLINUX_H__ */
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
1da177e4 LT	2	*
e0c437bc	3	* Name: aclinux.h - OS specific defines, etc. for Linux
1da177e4 LT	4	*
	5	*****************************************************************************/
	6
	7	/*
e0c437bc	8	* Copyright (C) 2000 - 2009, Intel Corp.
1da177e4 LT	9	* All rights reserved.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions, and the following disclaimer,
	16	* without modification.
	17	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	18	* substantially similar to the "NO WARRANTY" disclaimer below
	19	* ("Disclaimer") and any redistribution must be conditioned upon
	20	* including a substantially similar Disclaimer requirement for further
	21	* binary redistribution.
	22	* 3. Neither the names of the above-listed copyright holders nor the names
	23	* of any contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* Alternatively, this software may be distributed under the terms of the
	27	* GNU General Public License ("GPL") version 2 as published by the Free
	28	* Software Foundation.
	29	*
	30	* NO WARRANTY
	31	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	32	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	33	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	34	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	35	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	40	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	41	* POSSIBILITY OF SUCH DAMAGES.
	42	*/
	43
	44	#ifndef __ACLINUX_H__
	45	#define __ACLINUX_H__
	46
e0c437bc BM	47	/* Common (in-kernel/user-space) ACPICA configuration */
e0c437bc BM	48
1da177e4 LT	49	#define ACPI_USE_SYSTEM_CLIBRARY
1da177e4 LT	50	#define ACPI_USE_DO_WHILE_0
1685bd40	51	#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
1da177e4	52
e0c437bc	53
1da177e4 LT	54	#ifdef __KERNEL__
1da177e4 LT	55
1da177e4 LT	56	#include <linux/string.h>
1da177e4 LT	57	#include <linux/kernel.h>
8313524a	58	#include <linux/module.h>
1da177e4	59	#include <linux/ctype.h>
8bd108d1	60	#include <linux/sched.h>
1da177e4 LT	61	#include <asm/system.h>
	62	#include <asm/atomic.h>
	63	#include <asm/div64.h>
	64	#include <asm/acpi.h>
8313524a	65	#include <linux/slab.h>
967440e3	66	#include <linux/spinlock_types.h>
ab8aa06a	67	#include <asm/current.h>
1da177e4	68
e0c437bc	69	/* Host-dependent types and defines for in-kernel ACPICA */
1da177e4	70
8313524a	71	#define ACPI_MACHINE_WIDTH BITS_PER_LONG
8313524a BM	72	#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
8313524a BM	73	#define strtoul simple_strtoul
73459f73	74
e0c437bc BM	75	#define acpi_cache_t struct kmem_cache
	76	#define acpi_spinlock spinlock_t *
	77	#define acpi_cpu_flags unsigned long
	78	#define acpi_thread_id struct task_struct *
	79
	80	#else /* !__KERNEL__ */
1da177e4 LT	81
	82	#include <stdarg.h>
	83	#include <string.h>
	84	#include <stdlib.h>
	85	#include <ctype.h>
	86	#include <unistd.h>
	87
e0c437bc BM	88	/* Host-dependent types and defines for user-space ACPICA */
	89
	90	#define ACPI_FLUSH_CPU_CACHE()
	91	#define acpi_thread_id pthread_t
	92
1da177e4 LT	93	#if defined(__ia64__) \|\| defined(__x86_64__)
	94	#define ACPI_MACHINE_WIDTH 64
	95	#define COMPILER_DEPENDENT_INT64 long
	96	#define COMPILER_DEPENDENT_UINT64 unsigned long
	97	#else
	98	#define ACPI_MACHINE_WIDTH 32
	99	#define COMPILER_DEPENDENT_INT64 long long
	100	#define COMPILER_DEPENDENT_UINT64 unsigned long long
	101	#define ACPI_USE_NATIVE_DIVIDE
	102	#endif
	103
a0a3f6c6	104	#ifndef __cdecl
1da177e4	105	#define __cdecl
a0a3f6c6 BM	106	#endif
a0a3f6c6 BM	107
e0c437bc	108	#endif /* __KERNEL__ */
1da177e4 LT	109
	110	/* Linux uses GCC */
	111
	112	#include "acgcc.h"
	113
ec7381d6	114
e0c437bc BM	115	#ifdef __KERNEL__
	116	/*
	117	* Overrides for in-kernel ACPICA
	118	*/
fd350943 LB	119	static inline acpi_thread_id acpi_os_get_thread_id(void)
	120	{
	121	return current;
	122	}
ec7381d6	123
e21c1ca3 LB	124	/*
	125	* The irqs_disabled() check is for resume from RAM.
	126	* Interrupts are off during resume, just like they are for boot.
	127	* However, boot has (system_state != SYSTEM_RUNNING)
	128	* to quiet __might_sleep() in kmalloc() and resume does not.
	129	*/
	130	#include <acpi/actypes.h>
fd350943 LB	131	static inline void *acpi_os_allocate(acpi_size size)
fd350943 LB	132	{
e0c437bc	133	return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
e21c1ca3	134	}
e0c437bc	135
fd350943 LB	136	static inline void *acpi_os_allocate_zeroed(acpi_size size)
fd350943 LB	137	{
e0c437bc	138	return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
e21c1ca3 LB	139	}
e21c1ca3 LB	140
fd350943 LB	141	static inline void acpi_os_acquire_object(acpi_cache_t cache)
	142	{
	143	return kmem_cache_zalloc(cache,
e0c437bc	144	irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
e21c1ca3 LB	145	}
e21c1ca3 LB	146
e0c437bc BM	147	#define ACPI_ALLOCATE(a) acpi_os_allocate(a)
	148	#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
	149	#define ACPI_FREE(a) kfree(a)
e21c1ca3	150
e0c437bc	151	/* Used within ACPICA to show where it is safe to preempt execution */
138d1569	152	#include <linux/hardirq.h>
e0c437bc BM	153	#define ACPI_PREEMPTION_POINT() \
e0c437bc BM	154	do { \
c084ca70	155	if (!in_atomic_preempt_off() && !irqs_disabled()) \
e0c437bc	156	cond_resched(); \
abe1dfab	157	} while (0)
8bd108d1	158
e0c437bc BM	159	#endif /* __KERNEL__ */
	160
	161	#endif /* __ACLINUX_H__ */