mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-14 10:09:48 +00:00
5d2d599d3f
This is intended to be used with memory mapped IO, e.g. from bus_space_map with no flags, or pmap_mapdev. Use this new memory type in the map request configured by resource_init_map_request, and in pciconf. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D29692
49 lines
2.1 KiB
C
49 lines
2.1 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2009 Hudson River Trading LLC
|
|
* Written by: John H. Baldwin <jhb@FreeBSD.org>
|
|
* 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_
|
|
|
|
#include <machine/specialreg.h>
|
|
|
|
/* Memory attributes. */
|
|
#define VM_MEMATTR_UNCACHEABLE ((vm_memattr_t)PAT_UNCACHEABLE)
|
|
#define VM_MEMATTR_WRITE_COMBINING ((vm_memattr_t)PAT_WRITE_COMBINING)
|
|
#define VM_MEMATTR_WRITE_THROUGH ((vm_memattr_t)PAT_WRITE_THROUGH)
|
|
#define VM_MEMATTR_WRITE_PROTECTED ((vm_memattr_t)PAT_WRITE_PROTECTED)
|
|
#define VM_MEMATTR_WRITE_BACK ((vm_memattr_t)PAT_WRITE_BACK)
|
|
#define VM_MEMATTR_WEAK_UNCACHEABLE ((vm_memattr_t)PAT_UNCACHED)
|
|
|
|
#define VM_MEMATTR_DEFAULT VM_MEMATTR_WRITE_BACK
|
|
#define VM_MEMATTR_DEVICE VM_MEMATTR_UNCACHEABLE
|
|
|
|
#endif /* !_MACHINE_VM_H_ */
|