/****************************************************************************** * * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux * *****************************************************************************//* * Copyright (C) 2000 - 2017, 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 __ACLINUXEX_H__#define __ACLINUXEX_H__#ifdef __KERNEL__#ifndef ACPI_USE_NATIVE_DIVIDE#ifndef ACPI_DIV_64_BY_32#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ do { \ u64 (__n) = ((u64) n_hi) << 32 | (n_lo); \ (r32) = do_div ((__n), (d32)); \ (q32) = (u32) (__n); \ } while (0)#endif#ifndef ACPI_SHIFT_RIGHT_64#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ do { \ (n_lo) >>= 1; \ (n_lo) |= (((n_hi) & 1) << 31); \ (n_hi) >>= 1; \ } while (0)#endif#endif/* * Overrides for in-kernel ACPICA */acpi_status ACPI_INIT_FUNCTION acpi_os_initialize(void);acpi_status acpi_os_terminate(void);/* * 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);}static inline void *acpi_os_allocate_zeroed(acpi_size size){ return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);}static inline void acpi_os_free(void *memory){ kfree(memory);}static inline void *acpi_os_acquire_object(acpi_cache_t * cache){ return kmem_cache_zalloc(cache, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);}static inline acpi_thread_id acpi_os_get_thread_id(void){ return (acpi_thread_id) (unsigned long)current;}/* * 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; \ })static inline u8 acpi_os_readable(void *pointer, acpi_size length){ return TRUE;}static inline acpi_status acpi_os_initialize_debugger(void){ return AE_OK;}static inline void acpi_os_terminate_debugger(void){ return;}/* * OSL interfaces added by Linux */#endif /* __KERNEL__ */#endif /* __ACLINUXEX_H__ */
/******************************************************************************
*
* Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2017, 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 __ACLINUXEX_H__
#define __ACLINUXEX_H__
#ifdef __KERNEL__
#ifndef ACPI_USE_NATIVE_DIVIDE
#ifndef ACPI_DIV_64_BY_32
#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \
do { \
u64 (__n) = ((u64) n_hi) << 32 | (n_lo); \
(r32) = do_div ((__n), (d32)); \
(q32) = (u32) (__n); \
} while (0)
#endif
#ifndef ACPI_SHIFT_RIGHT_64
#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \
do { \
(n_lo) >>= 1; \
(n_lo) |= (((n_hi) & 1) << 31); \
(n_hi) >>= 1; \
} while (0)
#endif
#endif
/*
* Overrides for in-kernel ACPICA
*/
acpi_status ACPI_INIT_FUNCTION acpi_os_initialize(void);
acpi_status acpi_os_terminate(void);
/*
* 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);
}
static inline void *acpi_os_allocate_zeroed(acpi_size size)
{
return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
}
static inline void acpi_os_free(void *memory)
{
kfree(memory);
}
static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
{
return kmem_cache_zalloc(cache,
irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
}
static inline acpi_thread_id acpi_os_get_thread_id(void)
{
return (acpi_thread_id) (unsigned long)current;
}
/*
* 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; \
})
static inline u8 acpi_os_readable(void *pointer, acpi_size length)
{
return TRUE;
}
static inline acpi_status acpi_os_initialize_debugger(void)
{
return AE_OK;
}
static inline void acpi_os_terminate_debugger(void)
{
return;
}
/*
* OSL interfaces added by Linux
*/
#endif /* __KERNEL__ */
#endif /* __ACLINUXEX_H__ */