sys/vfs/userfs/userfs_elms.c

   1 /*
   2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Matthew Dillon <dillon@backplane.com>
   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  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/vfs/userfs/userfs_elms.c,v 1.2 2007/09/07 21:42:59 dillon Exp $
  35  */
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/fcntl.h>
  41 #include <sys/namecache.h>
  42 #include <sys/vnode.h>
  43 #include <sys/lockf.h>
  44 #include <sys/event.h>
  45 #include <sys/stat.h>
  46 #include <sys/syslink.h>
  47 #include <sys/syslink_vfs.h>
  48 #include "userfs.h"
  49
  50 void
  51 user_elm_push_vnode(struct syslink_elm *par, struct vnode *vp)
  52 {
  53         struct syslink_elm *elm;
  54
  55         elm = sl_elm_make(par, SLVFS_ELM_VNODE, sizeof(int64_t));
  56         /* XXX vnode id */
  57 }
  58
  59 void
  60 user_elm_push_offset(struct syslink_elm *par, off_t offset)
  61 {
  62         struct syslink_elm *elm;
  63
  64         elm = sl_elm_make(par, SLVFS_ELM_OFFSET, sizeof(int64_t));
  65         *(int64_t *)(elm + 1) = offset;
  66 }
  67
  68 void
  69 user_elm_push_bio(struct syslink_elm *par, int cmd, int bcount)
  70 {
  71         sl_elm_make_aux(par, SLVFS_ELM_IOCMD, cmd);
  72         sl_elm_make_aux(par, SLVFS_ELM_IOCOUNT, bcount);
  73 }
  74
  75 void
  76 user_elm_push_mode(struct syslink_elm *par, mode_t mode)
  77 {
  78         panic("user_elm_push_mode: not implemented yet");
  79 }
  80
  81 void
  82 user_elm_push_cred(struct syslink_elm *par, struct ucred *cred)
  83 {
  84         panic("user_elm_push_cred: not implemented yet");
  85 }
  86
  87 void
  88 user_elm_push_nch(struct syslink_elm *par, struct nchandle *nch)
  89 {
  90         panic("user_elm_push_nch: not implemented yet");
  91 }
  92
  93 void
  94 user_elm_push_vattr(struct syslink_elm *par, struct vattr *vat)
  95 {
  96         panic("user_elm_push_nch: not implemented yet");
  97 }
  98
  99 int
 100 user_elm_parse_vattr(struct syslink_elm *par, struct vattr *vat)
 101 {
 102         panic("user_elm_parse_vattr: not implemented yet");
 103 }
 104