The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/nfs/nfskpiport.h

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    1 /*-
    2  * Copyright (c) 2009 Rick Macklem, University of Guelph
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/10.4/sys/fs/nfs/nfskpiport.h 207785 2010-05-08 14:50:12Z rmacklem $
   27  */
   28 
   29 #ifndef _NFS_NFSKPIPORT_H_
   30 #define _NFS_NFSKPIPORT_H_
   31 /*
   32  * These definitions are needed since the generic code is now using Darwin8
   33  * KPI stuff. (I know, seems a bit silly, but I want the code to build on
   34  * Darwin8 and hopefully subsequent releases from Apple.)
   35  */
   36 typedef struct mount *          mount_t;
   37 #define vfs_statfs(m)           (&((m)->mnt_stat))
   38 #define vfs_flags(m)            ((m)->mnt_flag)
   39 
   40 typedef struct vnode *          vnode_t;
   41 #define vnode_mount(v)          ((v)->v_mount)
   42 #define vnode_vtype(v)          ((v)->v_type)
   43 
   44 typedef struct mbuf *           mbuf_t;
   45 #define mbuf_freem(m)           m_freem(m)
   46 #define mbuf_data(m)            mtod((m), void *)
   47 #define mbuf_len(m)             ((m)->m_len)
   48 #define mbuf_next(m)            ((m)->m_next)
   49 #define mbuf_setlen(m, l)       ((m)->m_len = (l))
   50 #define mbuf_setnext(m, p)      ((m)->m_next = (p))
   51 #define mbuf_pkthdr_len(m)      ((m)->m_pkthdr.len)
   52 #define mbuf_pkthdr_setlen(m, l) ((m)->m_pkthdr.len = (l))
   53 #define mbuf_pkthdr_setrcvif(m, p) ((m)->m_pkthdr.rcvif = (p))
   54 
   55 /*
   56  * This stuff is needed by Darwin for handling the uio structure.
   57  */
   58 #define CAST_USER_ADDR_T(a)     (a)
   59 #define CAST_DOWN(c, a)         ((c) (a))
   60 #define uio_uio_resid(p)        ((p)->uio_resid)
   61 #define uio_uio_resid_add(p, v) ((p)->uio_resid += (v))
   62 #define uio_uio_resid_set(p, v) ((p)->uio_resid = (v))
   63 #define uio_iov_base(p)         ((p)->uio_iov->iov_base)
   64 #define uio_iov_base_add(p, v)  do {                                    \
   65         char *pp;                                                       \
   66         pp = (char *)(p)->uio_iov->iov_base;                            \
   67         pp += (v);                                                      \
   68         (p)->uio_iov->iov_base = (void *)pp;                            \
   69     } while (0)
   70 #define uio_iov_len(p)          ((p)->uio_iov->iov_len)
   71 #define uio_iov_len_add(p, v)   ((p)->uio_iov->iov_len += (v))
   72 
   73 #endif  /* _NFS_NFSKPIPORT_H */

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