1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/param.h> 31 #include <sys/time.h> 32 #include <sys/cred.h> 33 #include <sys/vfs.h> 34 #include <sys/gfs.h> 35 #include <sys/vnode.h> 36 #include <sys/systm.h> 37 #include <sys/errno.h> 38 #include <sys/sysmacros.h> 39 #include <fs/fs_subr.h> 40 #include <sys/contract.h> 41 #include <sys/contract_impl.h> 42 #include <sys/ctfs.h> 43 #include <sys/ctfs_impl.h> 44 #include <sys/file.h> 45 #include <sys/pathname.h> 46 47 /* 48 * Entries in a /system/contract/<type> directory. 49 */ 50 static gfs_dirent_t ctfs_tdir_dirents[] = { 51 { "bundle", ctfs_create_bundle }, 52 { "pbundle", ctfs_create_pbundle }, 53 { "template", ctfs_create_tmplnode }, 54 { "latest", ctfs_create_latenode, GFS_CACHE_VNODE }, 55 { NULL } 56 }; 57 #define CTFS_NSPECIALS ((sizeof ctfs_tdir_dirents / sizeof (gfs_dirent_t)) - 1) 58 59 static int ctfs_tdir_do_readdir(vnode_t *, struct dirent64 *, int *, offset_t *, 60 offset_t *, void *); 61 static int ctfs_tdir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *); 62 static ino64_t ctfs_tdir_do_inode(vnode_t *, int); 63 64 /* 65 * ctfs_create_tdirnode 66 */ 67 vnode_t * 68 ctfs_create_tdirnode(vnode_t *pvp) 69 { 70 return (gfs_dir_create(sizeof (ctfs_tdirnode_t), pvp, ctfs_ops_tdir, 71 ctfs_tdir_dirents, ctfs_tdir_do_inode, CTFS_NAME_MAX, 72 ctfs_tdir_do_readdir, ctfs_tdir_do_lookup)); 73 } 74 75 /* 76 * ctfs_tdir_getattr - VOP_GETATTR entry point 77 */ 78 /* ARGSUSED */ 79 static int 80 ctfs_tdir_getattr(vnode_t *vp, vattr_t *vap, int flags, cred_t *cr) 81 { 82 vap->va_type = VDIR; 83 vap->va_mode = 0555; 84 vap->va_nlink = 2 + CTFS_NSPECIALS; 85 vap->va_size = vap->va_nlink + 86 contract_type_count(ct_types[gfs_file_index(vp)]); 87 vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime; 88 vap->va_ctime.tv_nsec = 0; 89 contract_type_time(ct_types[gfs_file_index(vp)], &vap->va_atime); 90 vap->va_mtime = vap->va_atime; 91 ctfs_common_getattr(vp, vap); 92 93 return (0); 94 } 95 96 static ino64_t 97 ctfs_tdir_do_inode(vnode_t *vp, int index) 98 { 99 return (CTFS_INO_TYPE_FILE(gfs_file_index(vp), index)); 100 } 101 102 /* ARGSUSED */ 103 static int 104 ctfs_tdir_do_readdir(vnode_t *vp, struct dirent64 *dp, int *eofp, 105 offset_t *offp, offset_t *nextp, void *data) 106 { 107 uint64_t zuniqid; 108 ctid_t next; 109 ct_type_t *ty = ct_types[gfs_file_index(vp)]; 110 111 zuniqid = VTOZONE(vp)->zone_uniqid; 112 next = contract_type_lookup(ty, zuniqid, *offp); 113 114 if (next == -1) { 115 *eofp = 1; 116 return (0); 117 } 118 119 dp->d_ino = CTFS_INO_CT_DIR(next); 120 numtos(next, dp->d_name); 121 *offp = next; 122 *nextp = next + 1; 123 124 return (0); 125 } 126 127 static int 128 ctfs_tdir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop) 129 { 130 int i; 131 contract_t *ct; 132 133 i = stoi((char **)&nm); 134 if (*nm != '\0') 135 return (ENOENT); 136 137 ct = contract_type_ptr(ct_types[gfs_file_index(vp)], i, 138 VTOZONE(vp)->zone_uniqid); 139 if (ct == NULL) 140 return (ENOENT); 141 142 *vpp = ctfs_create_cdirnode(vp, ct); 143 *inop = gfs_file_inode(*vpp); 144 contract_rele(ct); 145 return (0); 146 } 147 148 const fs_operation_def_t ctfs_tops_tdir[] = { 149 { VOPNAME_OPEN, ctfs_open }, 150 { VOPNAME_CLOSE, ctfs_close }, 151 { VOPNAME_IOCTL, fs_inval }, 152 { VOPNAME_GETATTR, ctfs_tdir_getattr }, 153 { VOPNAME_ACCESS, ctfs_access_dir }, 154 { VOPNAME_READDIR, gfs_vop_readdir }, 155 { VOPNAME_LOOKUP, gfs_vop_lookup }, 156 { VOPNAME_SEEK, fs_seek }, 157 { VOPNAME_INACTIVE, (fs_generic_func_p) gfs_vop_inactive }, 158 { NULL, NULL } 159 }; 160