4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #pragma ident "%Z%%M% %I% %E% SMI"
28 #include <sys/types.h>
29 #include <sys/param.h>
34 #include <sys/vnode.h>
35 #include <sys/systm.h>
36 #include <sys/errno.h>
37 #include <sys/sysmacros.h>
38 #include <sys/fs_subr.h>
39 #include <sys/contract.h>
40 #include <sys/contract_impl.h>
42 #include <sys/ctfs_impl.h>
44 #include <sys/pathname.h>
47 * Entries in a /system/contract/<type>/<ctid> directory.
49 static gfs_dirent_t ctfs_ctls
[] = {
50 { "ctl", ctfs_create_ctlnode
, GFS_CACHE_VNODE
, },
51 { "status", ctfs_create_statnode
, GFS_CACHE_VNODE
},
52 { "events", ctfs_create_evnode
},
55 #define CTFS_NCTLS ((sizeof ctfs_ctls / sizeof (gfs_dirent_t)) - 1)
57 static ino64_t
ctfs_cdir_do_inode(vnode_t
*, int);
60 * ctfs_create_cdirnode
62 * If necessary, creates a cdirnode for the specified contract and
63 * inserts it into the contract's list of vnodes. Returns either the
64 * existing vnode or the new one.
67 ctfs_create_cdirnode(vnode_t
*pvp
, contract_t
*ct
)
70 ctfs_cdirnode_t
*cdir
;
72 if ((vp
= contract_vnode_get(ct
, pvp
->v_vfsp
)) != NULL
)
75 vp
= gfs_dir_create(sizeof (ctfs_cdirnode_t
), pvp
, &ctfs_ops_cdir
,
76 ctfs_ctls
, ctfs_cdir_do_inode
, CTFS_NAME_MAX
, NULL
, NULL
);
80 * We must set the inode because this is called explicitly rather than
81 * through GFS callbacks.
83 gfs_file_set_inode(vp
, CTFS_INO_CT_DIR(ct
->ct_id
));
85 cdir
->ctfs_cn_contract
= ct
;
87 contract_vnode_set(ct
, &cdir
->ctfs_cn_linkage
, vp
);
93 * ctfs_cdir_getattr - fop_getattr entry point
102 caller_context_t
*ct
)
104 ctfs_cdirnode_t
*cdirnode
= vp
->v_data
;
108 vap
->va_nlink
= 2 + CTFS_NCTLS
;
109 vap
->va_size
= vap
->va_nlink
;
110 vap
->va_ctime
= cdirnode
->ctfs_cn_contract
->ct_ctime
;
111 mutex_enter(&cdirnode
->ctfs_cn_contract
->ct_events
.ctq_lock
);
112 vap
->va_atime
= vap
->va_mtime
=
113 cdirnode
->ctfs_cn_contract
->ct_events
.ctq_atime
;
114 mutex_exit(&cdirnode
->ctfs_cn_contract
->ct_events
.ctq_lock
);
115 ctfs_common_getattr(vp
, vap
);
121 * ctfs_cdir_do_inode - return inode number based on static index
124 ctfs_cdir_do_inode(vnode_t
*vp
, int index
)
126 ctfs_cdirnode_t
*cdirnode
= vp
->v_data
;
128 return (CTFS_INO_CT_FILE(cdirnode
->ctfs_cn_contract
->ct_id
, index
));
132 * ctfs_cdir_inactive - fop_inactive entry point
136 ctfs_cdir_inactive(vnode_t
*vp
, cred_t
*cr
, caller_context_t
*cct
)
138 ctfs_cdirnode_t
*cdirnode
= vp
->v_data
;
139 contract_t
*ct
= cdirnode
->ctfs_cn_contract
;
141 mutex_enter(&ct
->ct_lock
);
142 if (gfs_dir_inactive(vp
) == NULL
) {
143 mutex_exit(&ct
->ct_lock
);
147 list_remove(&ct
->ct_vnodes
, &cdirnode
->ctfs_cn_linkage
);
148 mutex_exit(&ct
->ct_lock
);
151 kmem_free(cdirnode
, sizeof (ctfs_cdirnode_t
));
155 const struct vnodeops ctfs_ops_cdir
= {
156 .vnop_name
= "ctfs contract directory",
157 .vop_open
= ctfs_open
,
158 .vop_close
= ctfs_close
,
159 .vop_ioctl
= fs_inval
,
160 .vop_getattr
= ctfs_cdir_getattr
,
161 .vop_access
= ctfs_access_dir
,
162 .vop_readdir
= gfs_vop_readdir
,
163 .vop_lookup
= gfs_vop_lookup
,
165 .vop_inactive
= ctfs_cdir_inactive
,