1 /*
2 * Copyright (c) 2011 Kip Macy. All rights reserved.
3 * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * Derived in part from libplebnet's pn_vfs_ops.c.
27 */
28
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/limits.h>
33 #include <sys/malloc.h>
34 #include <sys/namei.h>
35 #include <sys/refcount.h>
36 #include <sys/resourcevar.h>
37 #include <sys/systm.h>
38 #include <sys/proc.h>
39 #include <sys/priv.h>
40 #include <sys/time.h>
41 #include <sys/ucred.h>
42 #include <sys/vnode.h>
43 #include <sys/uio.h>
44 #include <sys/file.h>
45 #include <sys/capsicum.h>
46
47 __read_frequently smr_t vfs_smr;
48
49 void
NDFREE(struct nameidata * ndp,const u_int flags)50 NDFREE(struct nameidata *ndp, const u_int flags)
51 {
52
53 }
54
55 int
vn_open(struct nameidata * ndp,int * flagp,int cmode,struct file * fp)56 vn_open(struct nameidata *ndp, int *flagp, int cmode, struct file *fp)
57 {
58 panic("vn_open not implemented");
59
60 return (0);
61 }
62
63
64 int
vn_close(struct vnode * vp,int flags,struct ucred * file_cred,struct thread * td)65 vn_close(struct vnode *vp,
66 int flags, struct ucred *file_cred, struct thread *td)
67 {
68 panic("vn_close not implemented");
69
70 return (0);
71 }
72
73
74 int
vn_rdwr(enum uio_rw rw,struct vnode * vp,void * base,int len,off_t offset,enum uio_seg segflg,int ioflg,struct ucred * active_cred,struct ucred * file_cred,ssize_t * aresid,struct thread * td)75 vn_rdwr(enum uio_rw rw, struct vnode *vp, void *base,
76 int len, off_t offset, enum uio_seg segflg, int ioflg,
77 struct ucred *active_cred, struct ucred *file_cred, ssize_t *aresid,
78 struct thread *td)
79 {
80 panic("vn_rdwr not implemented");
81
82 return (0);
83 }
84
85 int
vn_fill_kinfo_vnode(struct vnode * vp,struct kinfo_file * kif)86 vn_fill_kinfo_vnode(struct vnode *vp, struct kinfo_file *kif)
87 {
88 panic("vn_fill_kinfo_vnode not implemented");
89
90 return (0);
91 }
92
93 #if 0
94 void
95 NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags, enum uio_seg segflg,
96 const char *namep, int dirfd, struct vnode *startdir, cap_rights_t *rightsp,
97 struct thread *td)
98 {
99
100 ndp->ni_cnd.cn_nameiop = op;
101 ndp->ni_cnd.cn_flags = flags;
102 ndp->ni_segflg = segflg;
103 ndp->ni_dirp = namep;
104 ndp->ni_dirfd = dirfd;
105 ndp->ni_startdir = startdir;
106 ndp->ni_strictrelative = 0;
107 if (rightsp != NULL)
108 ndp->ni_rightsneeded = *rightsp;
109 else
110 cap_rights_init(&ndp->ni_rightsneeded);
111 filecaps_init(&ndp->ni_filecaps);
112 ndp->ni_cnd.cn_thread = td;
113 }
114 #endif
115
116