1129198Scognet/*-
2129198Scognet * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu>
3129198Scognet * All rights reserved.
4129198Scognet *
5129198Scognet * Redistribution and use in source and binary forms, with or without
6129198Scognet * modification, are permitted provided that the following conditions
7129198Scognet * are met:
8129198Scognet * 1. Redistributions of source code must retain the above copyright
9129198Scognet *    notice, this list of conditions and the following disclaimer.
10129198Scognet * 2. Redistributions in binary form must reproduce the above copyright
11129198Scognet *    notice, this list of conditions and the following disclaimer in the
12129198Scognet *    documentation and/or other materials provided with the distribution.
13129198Scognet *
14129198Scognet * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15129198Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16129198Scognet * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17129198Scognet * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18129198Scognet * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19129198Scognet * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20129198Scognet * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21129198Scognet * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22129198Scognet * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23129198Scognet * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24129198Scognet * SUCH DAMAGE.
25129198Scognet *
26129198Scognet * $FreeBSD$
27129198Scognet */
28129198Scognet
29129198Scognet#ifndef _MACHINE_SF_BUF_H_
30129198Scognet#define _MACHINE_SF_BUF_H_
31129198Scognet
32269577Sglebiusstatic inline void
33269577Sglebiussf_buf_map(struct sf_buf *sf, int flags)
34129198Scognet{
35129198Scognet
36295036Smmel#if __ARM_ARCH >= 6
37280712Sian	pmap_qenter(sf->kva, &(sf->m), 1);
38280712Sian#else
39269577Sglebius	pmap_kenter(sf->kva, VM_PAGE_TO_PHYS(sf->m));
40280712Sian#endif
41129198Scognet}
42129198Scognet
43269577Sglebiusstatic inline int
44269577Sglebiussf_buf_unmap(struct sf_buf *sf)
45129198Scognet{
46129198Scognet
47295036Smmel#if __ARM_ARCH >= 6
48291258Sskra	pmap_qremove(sf->kva, 1);
49291258Sskra#else
50269577Sglebius	pmap_kremove(sf->kva);
51291258Sskra#endif
52269577Sglebius	return (1);
53129198Scognet}
54129198Scognet#endif /* !_MACHINE_SF_BUF_H_ */
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