17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5aa59c4cbSrsb * Common Development and Distribution License (the "License").
6aa59c4cbSrsb * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22aa59c4cbSrsb * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate #include <sys/types.h>
277c478bd9Sstevel@tonic-gate #include <sys/param.h>
287c478bd9Sstevel@tonic-gate #include <sys/time.h>
297c478bd9Sstevel@tonic-gate #include <sys/cred.h>
307c478bd9Sstevel@tonic-gate #include <sys/vfs.h>
31aa59c4cbSrsb #include <sys/vfs_opreg.h>
327c478bd9Sstevel@tonic-gate #include <sys/gfs.h>
337c478bd9Sstevel@tonic-gate #include <sys/vnode.h>
347c478bd9Sstevel@tonic-gate #include <sys/systm.h>
357c478bd9Sstevel@tonic-gate #include <sys/errno.h>
367c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h>
377c478bd9Sstevel@tonic-gate #include <fs/fs_subr.h>
387c478bd9Sstevel@tonic-gate #include <sys/contract.h>
397c478bd9Sstevel@tonic-gate #include <sys/contract_impl.h>
407c478bd9Sstevel@tonic-gate #include <sys/ctfs.h>
417c478bd9Sstevel@tonic-gate #include <sys/ctfs_impl.h>
427c478bd9Sstevel@tonic-gate #include <sys/file.h>
437c478bd9Sstevel@tonic-gate #include <sys/pathname.h>
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate /*
467c478bd9Sstevel@tonic-gate * Entries in a /system/contract/<type>/<ctid> directory.
477c478bd9Sstevel@tonic-gate */
487c478bd9Sstevel@tonic-gate static gfs_dirent_t ctfs_ctls[] = {
497c478bd9Sstevel@tonic-gate { "ctl", ctfs_create_ctlnode, GFS_CACHE_VNODE, },
507c478bd9Sstevel@tonic-gate { "status", ctfs_create_statnode, GFS_CACHE_VNODE },
517c478bd9Sstevel@tonic-gate { "events", ctfs_create_evnode },
527c478bd9Sstevel@tonic-gate { NULL }
537c478bd9Sstevel@tonic-gate };
547c478bd9Sstevel@tonic-gate #define CTFS_NCTLS ((sizeof ctfs_ctls / sizeof (gfs_dirent_t)) - 1)
557c478bd9Sstevel@tonic-gate
567c478bd9Sstevel@tonic-gate static ino64_t ctfs_cdir_do_inode(vnode_t *, int);
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate /*
597c478bd9Sstevel@tonic-gate * ctfs_create_cdirnode
607c478bd9Sstevel@tonic-gate *
617c478bd9Sstevel@tonic-gate * If necessary, creates a cdirnode for the specified contract and
627c478bd9Sstevel@tonic-gate * inserts it into the contract's list of vnodes. Returns either the
637c478bd9Sstevel@tonic-gate * existing vnode or the new one.
647c478bd9Sstevel@tonic-gate */
657c478bd9Sstevel@tonic-gate vnode_t *
ctfs_create_cdirnode(vnode_t * pvp,contract_t * ct)667c478bd9Sstevel@tonic-gate ctfs_create_cdirnode(vnode_t *pvp, contract_t *ct)
677c478bd9Sstevel@tonic-gate {
687c478bd9Sstevel@tonic-gate vnode_t *vp;
697c478bd9Sstevel@tonic-gate ctfs_cdirnode_t *cdir;
707c478bd9Sstevel@tonic-gate
717c478bd9Sstevel@tonic-gate if ((vp = contract_vnode_get(ct, pvp->v_vfsp)) != NULL)
727c478bd9Sstevel@tonic-gate return (vp);
737c478bd9Sstevel@tonic-gate
747c478bd9Sstevel@tonic-gate vp = gfs_dir_create(sizeof (ctfs_cdirnode_t), pvp, ctfs_ops_cdir,
757c478bd9Sstevel@tonic-gate ctfs_ctls, ctfs_cdir_do_inode, CTFS_NAME_MAX, NULL, NULL);
767c478bd9Sstevel@tonic-gate cdir = vp->v_data;
777c478bd9Sstevel@tonic-gate
787c478bd9Sstevel@tonic-gate /*
797c478bd9Sstevel@tonic-gate * We must set the inode because this is called explicitly rather than
807c478bd9Sstevel@tonic-gate * through GFS callbacks.
817c478bd9Sstevel@tonic-gate */
827c478bd9Sstevel@tonic-gate gfs_file_set_inode(vp, CTFS_INO_CT_DIR(ct->ct_id));
837c478bd9Sstevel@tonic-gate
847c478bd9Sstevel@tonic-gate cdir->ctfs_cn_contract = ct;
857c478bd9Sstevel@tonic-gate contract_hold(ct);
867c478bd9Sstevel@tonic-gate contract_vnode_set(ct, &cdir->ctfs_cn_linkage, vp);
877c478bd9Sstevel@tonic-gate
887c478bd9Sstevel@tonic-gate return (vp);
897c478bd9Sstevel@tonic-gate }
907c478bd9Sstevel@tonic-gate
917c478bd9Sstevel@tonic-gate /*
927c478bd9Sstevel@tonic-gate * ctfs_cdir_getattr - VOP_GETATTR entry point
937c478bd9Sstevel@tonic-gate */
947c478bd9Sstevel@tonic-gate /* ARGSUSED */
957c478bd9Sstevel@tonic-gate static int
ctfs_cdir_getattr(vnode_t * vp,vattr_t * vap,int flags,cred_t * cr,caller_context_t * ct)96*da6c28aaSamw ctfs_cdir_getattr(
97*da6c28aaSamw vnode_t *vp,
98*da6c28aaSamw vattr_t *vap,
99*da6c28aaSamw int flags,
100*da6c28aaSamw cred_t *cr,
101*da6c28aaSamw caller_context_t *ct)
1027c478bd9Sstevel@tonic-gate {
1037c478bd9Sstevel@tonic-gate ctfs_cdirnode_t *cdirnode = vp->v_data;
1047c478bd9Sstevel@tonic-gate
1057c478bd9Sstevel@tonic-gate vap->va_type = VDIR;
1067c478bd9Sstevel@tonic-gate vap->va_mode = 0555;
1077c478bd9Sstevel@tonic-gate vap->va_nlink = 2 + CTFS_NCTLS;
1087c478bd9Sstevel@tonic-gate vap->va_size = vap->va_nlink;
1097c478bd9Sstevel@tonic-gate vap->va_ctime = cdirnode->ctfs_cn_contract->ct_ctime;
1107c478bd9Sstevel@tonic-gate mutex_enter(&cdirnode->ctfs_cn_contract->ct_events.ctq_lock);
1117c478bd9Sstevel@tonic-gate vap->va_atime = vap->va_mtime =
1127c478bd9Sstevel@tonic-gate cdirnode->ctfs_cn_contract->ct_events.ctq_atime;
1137c478bd9Sstevel@tonic-gate mutex_exit(&cdirnode->ctfs_cn_contract->ct_events.ctq_lock);
1147c478bd9Sstevel@tonic-gate ctfs_common_getattr(vp, vap);
1157c478bd9Sstevel@tonic-gate
1167c478bd9Sstevel@tonic-gate return (0);
1177c478bd9Sstevel@tonic-gate }
1187c478bd9Sstevel@tonic-gate
1197c478bd9Sstevel@tonic-gate /*
1207c478bd9Sstevel@tonic-gate * ctfs_cdir_do_inode - return inode number based on static index
1217c478bd9Sstevel@tonic-gate */
1227c478bd9Sstevel@tonic-gate static ino64_t
ctfs_cdir_do_inode(vnode_t * vp,int index)1237c478bd9Sstevel@tonic-gate ctfs_cdir_do_inode(vnode_t *vp, int index)
1247c478bd9Sstevel@tonic-gate {
1257c478bd9Sstevel@tonic-gate ctfs_cdirnode_t *cdirnode = vp->v_data;
1267c478bd9Sstevel@tonic-gate
1277c478bd9Sstevel@tonic-gate return (CTFS_INO_CT_FILE(cdirnode->ctfs_cn_contract->ct_id, index));
1287c478bd9Sstevel@tonic-gate }
1297c478bd9Sstevel@tonic-gate
1307c478bd9Sstevel@tonic-gate /*
1317c478bd9Sstevel@tonic-gate * ctfs_cdir_inactive - VOP_INACTIVE entry point
1327c478bd9Sstevel@tonic-gate */
1337c478bd9Sstevel@tonic-gate /* ARGSUSED */
1347c478bd9Sstevel@tonic-gate static void
ctfs_cdir_inactive(vnode_t * vp,cred_t * cr,caller_context_t * cct)135*da6c28aaSamw ctfs_cdir_inactive(vnode_t *vp, cred_t *cr, caller_context_t *cct)
1367c478bd9Sstevel@tonic-gate {
1377c478bd9Sstevel@tonic-gate ctfs_cdirnode_t *cdirnode = vp->v_data;
1387c478bd9Sstevel@tonic-gate contract_t *ct = cdirnode->ctfs_cn_contract;
1397c478bd9Sstevel@tonic-gate
1407c478bd9Sstevel@tonic-gate mutex_enter(&ct->ct_lock);
1417c478bd9Sstevel@tonic-gate if (gfs_dir_inactive(vp) == NULL) {
1427c478bd9Sstevel@tonic-gate mutex_exit(&ct->ct_lock);
1437c478bd9Sstevel@tonic-gate return;
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate
1467c478bd9Sstevel@tonic-gate list_remove(&ct->ct_vnodes, &cdirnode->ctfs_cn_linkage);
1477c478bd9Sstevel@tonic-gate mutex_exit(&ct->ct_lock);
1487c478bd9Sstevel@tonic-gate
1497c478bd9Sstevel@tonic-gate contract_rele(ct);
1507c478bd9Sstevel@tonic-gate kmem_free(cdirnode, sizeof (ctfs_cdirnode_t));
1517c478bd9Sstevel@tonic-gate }
1527c478bd9Sstevel@tonic-gate
1537c478bd9Sstevel@tonic-gate
1547c478bd9Sstevel@tonic-gate const fs_operation_def_t ctfs_tops_cdir[] = {
155aa59c4cbSrsb { VOPNAME_OPEN, { .vop_open = ctfs_open } },
156aa59c4cbSrsb { VOPNAME_CLOSE, { .vop_close = ctfs_close } },
157aa59c4cbSrsb { VOPNAME_IOCTL, { .error = fs_inval } },
158aa59c4cbSrsb { VOPNAME_GETATTR, { .vop_getattr = ctfs_cdir_getattr } },
159aa59c4cbSrsb { VOPNAME_ACCESS, { .vop_access = ctfs_access_dir } },
160aa59c4cbSrsb { VOPNAME_READDIR, { .vop_readdir = gfs_vop_readdir } },
161aa59c4cbSrsb { VOPNAME_LOOKUP, { .vop_lookup = gfs_vop_lookup } },
162aa59c4cbSrsb { VOPNAME_SEEK, { .vop_seek = fs_seek } },
163aa59c4cbSrsb { VOPNAME_INACTIVE, { .vop_inactive = ctfs_cdir_inactive } },
1647c478bd9Sstevel@tonic-gate { NULL, NULL }
1657c478bd9Sstevel@tonic-gate };
166