13914ddf8SEdward Tomasz Napierala /*- 23914ddf8SEdward Tomasz Napierala * Copyright (c) 2014 The FreeBSD Foundation 33914ddf8SEdward Tomasz Napierala * All rights reserved. 43914ddf8SEdward Tomasz Napierala * 53914ddf8SEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 63914ddf8SEdward Tomasz Napierala * from the FreeBSD Foundation. 73914ddf8SEdward Tomasz Napierala * 83914ddf8SEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 93914ddf8SEdward Tomasz Napierala * modification, are permitted provided that the following conditions 103914ddf8SEdward Tomasz Napierala * are met: 113914ddf8SEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 123914ddf8SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 133914ddf8SEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 143914ddf8SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 153914ddf8SEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 163914ddf8SEdward Tomasz Napierala * 173914ddf8SEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 183914ddf8SEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 193914ddf8SEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 203914ddf8SEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 213914ddf8SEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 223914ddf8SEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 233914ddf8SEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 243914ddf8SEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 253914ddf8SEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 263914ddf8SEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 273914ddf8SEdward Tomasz Napierala * SUCH DAMAGE. 283914ddf8SEdward Tomasz Napierala * 293914ddf8SEdward Tomasz Napierala * $FreeBSD$ 303914ddf8SEdward Tomasz Napierala */ 313914ddf8SEdward Tomasz Napierala 323914ddf8SEdward Tomasz Napierala #ifndef AUTOFS_H 333914ddf8SEdward Tomasz Napierala #define AUTOFS_H 343914ddf8SEdward Tomasz Napierala 353914ddf8SEdward Tomasz Napierala #define VFSTOAUTOFS(mp) ((struct autofs_mount *)((mp)->mnt_data)) 363914ddf8SEdward Tomasz Napierala 373914ddf8SEdward Tomasz Napierala MALLOC_DECLARE(M_AUTOFS); 383914ddf8SEdward Tomasz Napierala 393914ddf8SEdward Tomasz Napierala extern uma_zone_t autofs_request_zone; 403914ddf8SEdward Tomasz Napierala extern uma_zone_t autofs_node_zone; 413914ddf8SEdward Tomasz Napierala 423914ddf8SEdward Tomasz Napierala extern int autofs_debug; 433914ddf8SEdward Tomasz Napierala extern int autofs_mount_on_stat; 443914ddf8SEdward Tomasz Napierala 453914ddf8SEdward Tomasz Napierala #define AUTOFS_DEBUG(X, ...) \ 463914ddf8SEdward Tomasz Napierala if (autofs_debug > 1) { \ 473914ddf8SEdward Tomasz Napierala printf("%s: " X "\n", __func__, ## __VA_ARGS__);\ 483914ddf8SEdward Tomasz Napierala } while (0) 493914ddf8SEdward Tomasz Napierala 503914ddf8SEdward Tomasz Napierala #define AUTOFS_WARN(X, ...) \ 513914ddf8SEdward Tomasz Napierala if (autofs_debug > 0) { \ 523914ddf8SEdward Tomasz Napierala printf("WARNING: %s: " X "\n", \ 533914ddf8SEdward Tomasz Napierala __func__, ## __VA_ARGS__); \ 543914ddf8SEdward Tomasz Napierala } while (0) 553914ddf8SEdward Tomasz Napierala 56*2eaebf35SEdward Tomasz Napierala #define AUTOFS_SLOCK(X) sx_slock(&X->am_lock) 57*2eaebf35SEdward Tomasz Napierala #define AUTOFS_XLOCK(X) sx_xlock(&X->am_lock) 58*2eaebf35SEdward Tomasz Napierala #define AUTOFS_SUNLOCK(X) sx_sunlock(&X->am_lock) 59*2eaebf35SEdward Tomasz Napierala #define AUTOFS_XUNLOCK(X) sx_xunlock(&X->am_lock) 60*2eaebf35SEdward Tomasz Napierala #define AUTOFS_ASSERT_LOCKED(X) sx_assert(&X->am_lock, SA_LOCKED) 61*2eaebf35SEdward Tomasz Napierala #define AUTOFS_ASSERT_XLOCKED(X) sx_assert(&X->am_lock, SA_XLOCKED) 623914ddf8SEdward Tomasz Napierala #define AUTOFS_ASSERT_UNLOCKED(X) sx_assert(&X->am_lock, SA_UNLOCKED) 633914ddf8SEdward Tomasz Napierala 643914ddf8SEdward Tomasz Napierala struct autofs_node { 653914ddf8SEdward Tomasz Napierala TAILQ_ENTRY(autofs_node) an_next; 663914ddf8SEdward Tomasz Napierala char *an_name; 673914ddf8SEdward Tomasz Napierala int an_fileno; 683914ddf8SEdward Tomasz Napierala struct autofs_node *an_parent; 693914ddf8SEdward Tomasz Napierala TAILQ_HEAD(, autofs_node) an_children; 703914ddf8SEdward Tomasz Napierala struct autofs_mount *an_mount; 713914ddf8SEdward Tomasz Napierala struct vnode *an_vnode; 723914ddf8SEdward Tomasz Napierala struct sx an_vnode_lock; 733914ddf8SEdward Tomasz Napierala bool an_cached; 743914ddf8SEdward Tomasz Napierala struct callout an_callout; 753914ddf8SEdward Tomasz Napierala int an_retries; 763914ddf8SEdward Tomasz Napierala struct timespec an_ctime; 773914ddf8SEdward Tomasz Napierala }; 783914ddf8SEdward Tomasz Napierala 793914ddf8SEdward Tomasz Napierala struct autofs_mount { 803914ddf8SEdward Tomasz Napierala TAILQ_ENTRY(autofs_mount) am_next; 813914ddf8SEdward Tomasz Napierala struct autofs_node *am_root; 823914ddf8SEdward Tomasz Napierala struct mount *am_mp; 833914ddf8SEdward Tomasz Napierala struct sx am_lock; 843914ddf8SEdward Tomasz Napierala char am_from[MAXPATHLEN]; 853914ddf8SEdward Tomasz Napierala char am_mountpoint[MAXPATHLEN]; 863914ddf8SEdward Tomasz Napierala char am_options[MAXPATHLEN]; 873914ddf8SEdward Tomasz Napierala char am_prefix[MAXPATHLEN]; 883914ddf8SEdward Tomasz Napierala int am_last_fileno; 893914ddf8SEdward Tomasz Napierala }; 903914ddf8SEdward Tomasz Napierala 913914ddf8SEdward Tomasz Napierala struct autofs_request { 923914ddf8SEdward Tomasz Napierala TAILQ_ENTRY(autofs_request) ar_next; 933914ddf8SEdward Tomasz Napierala struct autofs_mount *ar_mount; 943914ddf8SEdward Tomasz Napierala int ar_id; 953914ddf8SEdward Tomasz Napierala bool ar_done; 963914ddf8SEdward Tomasz Napierala int ar_error; 973914ddf8SEdward Tomasz Napierala bool ar_in_progress; 983914ddf8SEdward Tomasz Napierala char ar_from[MAXPATHLEN]; 993914ddf8SEdward Tomasz Napierala char ar_path[MAXPATHLEN]; 1003914ddf8SEdward Tomasz Napierala char ar_prefix[MAXPATHLEN]; 1013914ddf8SEdward Tomasz Napierala char ar_key[MAXPATHLEN]; 1023914ddf8SEdward Tomasz Napierala char ar_options[MAXPATHLEN]; 103759489f9SEdward Tomasz Napierala struct timeout_task ar_task; 1043914ddf8SEdward Tomasz Napierala volatile u_int ar_refcount; 1053914ddf8SEdward Tomasz Napierala }; 1063914ddf8SEdward Tomasz Napierala 1073914ddf8SEdward Tomasz Napierala struct autofs_softc { 1083914ddf8SEdward Tomasz Napierala device_t sc_dev; 1093914ddf8SEdward Tomasz Napierala struct cdev *sc_cdev; 1103914ddf8SEdward Tomasz Napierala struct cv sc_cv; 1113914ddf8SEdward Tomasz Napierala struct sx sc_lock; 1123914ddf8SEdward Tomasz Napierala TAILQ_HEAD(, autofs_request) sc_requests; 1133914ddf8SEdward Tomasz Napierala bool sc_dev_opened; 1143914ddf8SEdward Tomasz Napierala pid_t sc_dev_sid; 1153914ddf8SEdward Tomasz Napierala int sc_last_request_id; 1163914ddf8SEdward Tomasz Napierala }; 1173914ddf8SEdward Tomasz Napierala 1183914ddf8SEdward Tomasz Napierala /* 1193914ddf8SEdward Tomasz Napierala * Limits and constants 1203914ddf8SEdward Tomasz Napierala */ 1213914ddf8SEdward Tomasz Napierala #define AUTOFS_NAMELEN 24 1223914ddf8SEdward Tomasz Napierala #define AUTOFS_FSNAMELEN 16 /* equal to MFSNAMELEN */ 1233914ddf8SEdward Tomasz Napierala #define AUTOFS_DELEN (8 + AUTOFS_NAMELEN) 1243914ddf8SEdward Tomasz Napierala 1253914ddf8SEdward Tomasz Napierala int autofs_init(struct vfsconf *vfsp); 1263914ddf8SEdward Tomasz Napierala int autofs_uninit(struct vfsconf *vfsp); 1273914ddf8SEdward Tomasz Napierala int autofs_trigger(struct autofs_node *anp, const char *component, 1283914ddf8SEdward Tomasz Napierala int componentlen); 1293914ddf8SEdward Tomasz Napierala bool autofs_cached(struct autofs_node *anp, const char *component, 1303914ddf8SEdward Tomasz Napierala int componentlen); 1313914ddf8SEdward Tomasz Napierala bool autofs_ignore_thread(const struct thread *td); 1323914ddf8SEdward Tomasz Napierala int autofs_node_new(struct autofs_node *parent, struct autofs_mount *amp, 1333914ddf8SEdward Tomasz Napierala const char *name, int namelen, struct autofs_node **anpp); 1343914ddf8SEdward Tomasz Napierala int autofs_node_find(struct autofs_node *parent, 1353914ddf8SEdward Tomasz Napierala const char *name, int namelen, struct autofs_node **anpp); 1363914ddf8SEdward Tomasz Napierala void autofs_node_delete(struct autofs_node *anp); 1373914ddf8SEdward Tomasz Napierala int autofs_node_vn(struct autofs_node *anp, struct mount *mp, 1383914ddf8SEdward Tomasz Napierala struct vnode **vpp); 1393914ddf8SEdward Tomasz Napierala 1403914ddf8SEdward Tomasz Napierala #endif /* !AUTOFS_H */ 141