xref: /freebsd/sys/fs/nfs/nfskpiport.h (revision a5ada504b340e3e85bf907cbdbb7109ee16edb70)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009 Rick Macklem, University of Guelph
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _NFS_NFSKPIPORT_H_
32 #define	_NFS_NFSKPIPORT_H_
33 /*
34  * These definitions are needed since the generic code is now using Darwin8
35  * KPI stuff. (I know, seems a bit silly, but I want the code to build on
36  * Darwin8 and hopefully subsequent releases from Apple.)
37  */
38 typedef	struct mount *		mount_t;
39 #define	vfs_statfs(m)		(&((m)->mnt_stat))
40 #define	vfs_flags(m)		((m)->mnt_flag)
41 
42 typedef struct vnode *		vnode_t;
43 #define	vnode_mount(v)		((v)->v_mount)
44 #define	vnode_vtype(v)		((v)->v_type)
45 
46 typedef struct mbuf *		mbuf_t;
47 #define	mbuf_freem(m)		m_freem(m)
48 #define	mbuf_data(m)		mtod((m), void *)
49 #define	mbuf_len(m)		((m)->m_len)
50 #define	mbuf_next(m)		((m)->m_next)
51 #define	mbuf_setlen(m, l)	((m)->m_len = (l))
52 #define	mbuf_setnext(m, p)	((m)->m_next = (p))
53 #define	mbuf_pkthdr_len(m)	((m)->m_pkthdr.len)
54 #define	mbuf_pkthdr_setlen(m, l) ((m)->m_pkthdr.len = (l))
55 #define	mbuf_pkthdr_setrcvif(m, p) ((m)->m_pkthdr.rcvif = (p))
56 
57 /*
58  * This stuff is needed by Darwin for handling the uio structure.
59  */
60 #define	CAST_USER_ADDR_T(a)	(a)
61 #define	CAST_DOWN(c, a)		((c) (a))
62 #define	uio_uio_resid(p)	((p)->uio_resid)
63 #define	uio_uio_resid_add(p, v)	((p)->uio_resid += (v))
64 #define	uio_uio_resid_set(p, v)	((p)->uio_resid = (v))
65 #define	uio_iov_base(p)		((p)->uio_iov->iov_base)
66 #define	uio_iov_base_add(p, v)	do {					\
67 	char *pp;							\
68 	pp = (char *)(p)->uio_iov->iov_base;				\
69 	pp += (v);							\
70 	(p)->uio_iov->iov_base = (void *)pp;				\
71     } while (0)
72 #define	uio_iov_len(p)		((p)->uio_iov->iov_len)
73 #define	uio_iov_len_add(p, v)	((p)->uio_iov->iov_len += (v))
74 
75 #endif	/* _NFS_NFSKPIPORT_H */
76