84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*********************************************************
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* Copyright (C) 2008 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 and no later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*********************************************************/
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/*
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* vnetKernel.h --
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* This file defines platform-independent functions for accessing basic
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* kernel functions. This is the Linux implementation.
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*/
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#ifndef _VNETKERNEL_H_
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#define _VNETKERNEL_H_
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#include "driver-config.h" /* must be first */
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include "vm_basic_types.h"
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#define VNetKernel_EBUSY (-EBUSY)
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#define VNetKernel_EINVAL (-EINVAL)
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#define VNetKernel_ENOMEM (-ENOMEM)
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typedef struct VNetKernel_SpinLock {
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spinlock_t lock;
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} VNetKernel_SpinLock;
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static INLINE void *
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VNetKernel_MemoryAllocate(size_t size)
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{
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return kmalloc(size, GFP_ATOMIC);
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}
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static INLINE void
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VNetKernel_MemoryFree(void *ptr)
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{
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kfree(ptr);
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}
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static INLINE void
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VNetKernel_SpinLockInit(VNetKernel_SpinLock *lock)
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{
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spin_lock_init(&lock->lock);
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}
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static INLINE void
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VNetKernel_SpinLockFree(VNetKernel_SpinLock *lock)
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{
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/* nothing to do */
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}
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static INLINE void
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VNetKernel_SpinLockAcquire(VNetKernel_SpinLock *lock)
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{
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spin_lock(&lock->lock);
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}
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static INLINE void
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VNetKernel_SpinLockRelease(VNetKernel_SpinLock *lock)
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{
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spin_unlock(&lock->lock);
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}
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static INLINE void *
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VNetKernel_ThreadCurrent(void)
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{
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return current;
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}
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#endif // _VNETKERNEL_H_
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