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/* Netfilter Driver for IPSec VPN Client
*
* Copyright(c) 2012 Samsung Electronics
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* platform_kernel_mutex.h
*
* Linux interceptor specific defines for the kernel mutex API.
*
*/
#ifndef PLATFORM_KERNEL_MUTEX_H
#define PLATFORM_KERNEL_MUTEX_H 1
/* Sanity check to make sure that optimizations get done correcly
on a UP machine. The following block can be safely removed. */
#ifndef CONFIG_SMP
#ifdef __ASM_SPINLOCK_H
#error "asm/spinlock.h" should not be included explicitly.
#endif /* __ASM_SPINLOCK_H */
#endif /* !CONFIG_SMP */
#include "linux_params.h"
#include "linux_mutex_internal.h"
/* Directly map linux mutexes to macros. This causes significantly
less overhead in the non-preemptive UP case, where these macros
are empty. */
#ifndef KERNEL_MUTEX_USE_FUNCTIONS
/* This code should not be used unless DEBUG_LIGHT is disabled. */
#define ssh_kernel_mutex_lock(a) spin_lock(&((a)->lock))
#define ssh_kernel_mutex_unlock(b) spin_unlock(&((b)->lock))
#else /* KERNEL_MUTEX_USE_FUNCTIONS */
void ssh_kernel_mutex_lock_i(SshKernelMutex mutex);
void ssh_kernel_mutex_unlock_i(SshKernelMutex mutex);
#define ssh_kernel_mutex_lock(a) \
ssh_kernel_mutex_lock_i((a))
#define ssh_kernel_mutex_unlock(a) \
ssh_kernel_mutex_unlock_i((a))
#endif /* KERNEL_MUTEX_USE_FUNCTIONS */
#endif /* PLATFORM_KERNEL_MUTEX_H */
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