45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
/*-
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* Copyright (c) 2009 Alan L. Cox <alc@cs.rice.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_VM_H_
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#define _MACHINE_VM_H_
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#include <machine/atomic.h>
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#include <machine/pte.h>
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/* Cache control options. */
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#define VM_CACHE_WRITE_BACK ((vm_cache_mode_t)PTE_MA_WB)
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#define VM_CACHE_UNCACHEABLE ((vm_cache_mode_t)PTE_MA_UC)
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#define VM_CACHE_UNCACHEABLE_EXPORTED ((vm_cache_mode_t)PTE_MA_UCE)
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#define VM_CACHE_WRITE_COMBINING ((vm_cache_mode_t)PTE_MA_WC)
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#define VM_CACHE_NATPAGE ((vm_cache_mode_t)PTE_MA_NATPAGE)
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#define VM_CACHE_DEFAULT VM_CACHE_WRITE_BACK
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#endif /* !_MACHINE_VM_H_ */
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