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/*-
* Copyright (c) 2009 Alan L. Cox <alc@cs.rice.edu>
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_VM_H_
#define _MACHINE_VM_H_
#if __ARM_ARCH >= 6
#define VM_MEMATTR_WB_WA ((vm_memattr_t)0)
#define VM_MEMATTR_NOCACHE ((vm_memattr_t)1)
#define VM_MEMATTR_DEVICE ((vm_memattr_t)2)
#define VM_MEMATTR_SO ((vm_memattr_t)3)
#define VM_MEMATTR_WRITE_THROUGH ((vm_memattr_t)4)
#define VM_MEMATTR_DEFAULT VM_MEMATTR_WB_WA
#define VM_MEMATTR_UNCACHEABLE VM_MEMATTR_SO /* misused by DMA */
#ifdef _KERNEL
/* Don't export aliased VM_MEMATTR to userland */
#define VM_MEMATTR_WRITE_COMBINING VM_MEMATTR_WRITE_THROUGH /* for DRM */
#define VM_MEMATTR_WRITE_BACK VM_MEMATTR_WB_WA /* for DRM */
#endif
#else
/* Memory attribute configuration. */
#define VM_MEMATTR_DEFAULT 0
#define VM_MEMATTR_UNCACHEABLE 1
#endif
#endif /* !_MACHINE_VM_H_ */
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