WebSVN – Kolibri OS – Blame – /drivers/include/acpi/platform/aclinuxex.h

Rev	Author	Line No.	Line
6588	serge	1	/******************************************************************************
		2	*
		3	* Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
		4	*
		5	*****************************************************************************/
		6
		7	/*
7143	serge	8	* Copyright (C) 2000 - 2016, Intel Corp.
6588	serge	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 __ACLINUXEX_H__
		45	#define __ACLINUXEX_H__
		46
		47	#ifdef __KERNEL__
		48
		49	#ifndef ACPI_USE_NATIVE_DIVIDE
		50
		51	#ifndef ACPI_DIV_64_BY_32
		52	#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
		53	do { \
		54	u64 (__n) = ((u64) n_hi) << 32 \| (n_lo); \
		55	(r32) = do_div ((__n), (d32)); \
		56	(q32) = (u32) (__n); \
		57	} while (0)
		58	#endif
		59
		60	#ifndef ACPI_SHIFT_RIGHT_64
		61	#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
		62	do { \
		63	(n_lo) >>= 1; \
		64	(n_lo) \|= (((n_hi) & 1) << 31); \
		65	(n_hi) >>= 1; \
		66	} while (0)
		67	#endif
		68
		69	#endif
		70
		71	/*
		72	* Overrides for in-kernel ACPICA
		73	*/
		74	acpi_status __init acpi_os_initialize(void);
		75
		76	acpi_status acpi_os_terminate(void);
		77
		78	/*
		79	* The irqs_disabled() check is for resume from RAM.
		80	* Interrupts are off during resume, just like they are for boot.
		81	* However, boot has (system_state != SYSTEM_RUNNING)
		82	* to quiet __might_sleep() in kmalloc() and resume does not.
		83	*/
		84	static inline void *acpi_os_allocate(acpi_size size)
		85	{
		86	return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
		87	}
		88
		89	static inline void *acpi_os_allocate_zeroed(acpi_size size)
		90	{
		91	return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
		92	}
		93
		94	static inline void acpi_os_free(void *memory)
		95	{
		96	kfree(memory);
		97	}
		98
6594	serge	99	void acpi_os_acquire_object(acpi_cache_t cache);
		100
		101	u32 __attribute__ ((dllimport)) GetPid(void)__asm__("GetPid");
		102
6588	serge	103	static inline acpi_thread_id acpi_os_get_thread_id(void)
		104	{
6594	serge	105	return (acpi_thread_id) (unsigned long)GetPid();
6588	serge	106	}
		107
		108	/*
		109	* When lockdep is enabled, the spin_lock_init() macro stringifies it's
		110	* argument and uses that as a name for the lock in debugging.
		111	* By executing spin_lock_init() in a macro the key changes from "lock" for
		112	* all locks to the name of the argument of acpi_os_create_lock(), which
		113	* prevents lockdep from reporting false positives for ACPICA locks.
		114	*/
		115	#define acpi_os_create_lock(__handle) \
		116	({ \
		117	spinlock_t lock = ACPI_ALLOCATE(sizeof(lock)); \
		118	if (lock) { \
		119	*(__handle) = lock; \
		120	spin_lock_init(*(__handle)); \
		121	} \
		122	lock ? AE_OK : AE_NO_MEMORY; \
		123	})
		124
		125	static inline u8 acpi_os_readable(void *pointer, acpi_size length)
		126	{
		127	return TRUE;
		128	}
		129
7143	serge	130	static inline acpi_status acpi_os_initialize_command_signals(void)
		131	{
		132	return AE_OK;
		133	}
		134
		135	static inline void acpi_os_terminate_command_signals(void)
		136	{
		137	return;
		138	}
		139
6588	serge	140	/*
		141	* OSL interfaces added by Linux
		142	*/
		143	void early_acpi_os_unmap_memory(void __iomem * virt, acpi_size size);
		144
		145	#endif /* __KERNEL__ */
		146
		147	#endif /* __ACLINUXEX_H__ */

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(root)/drivers/include/acpi/platform/aclinuxex.h – Rev 7143