1 /* $NetBSD: udf_subr.h,v 1.4 2006/03/05 16:55:44 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Reinoud Zandijk 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.NetBSD.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 36 37 #ifndef _FS_UDF_UDF_SUBR_H_ 38 #define _FS_UDF_UDF_SUBR_H_ 39 40 /* device information updating */ 41 int udf_update_trackinfo(struct udf_mount *ump, struct mmc_trackinfo *trackinfo); 42 int udf_update_discinfo(struct udf_mount *ump); 43 44 /* tags and read/write descriptors */ 45 int udf_check_tag(void *blob); 46 int udf_check_tag_payload(void *blob, uint32_t max_length); 47 int udf_validate_tag_sum(void *blob); 48 int udf_validate_tag_and_crc_sums(void *blob); 49 int udf_tagsize(union dscrptr *dscr, uint32_t udf_sector_size); 50 51 int udf_read_descriptor( 52 struct udf_mount *ump, 53 uint32_t sector, 54 struct malloc_type *mtype, /* where to allocate */ 55 union dscrptr **dstp); /* out */ 56 57 58 /* volume descriptors readers and checkers */ 59 int udf_read_anchors(struct udf_mount *ump, struct udf_args *args); 60 61 int udf_read_vds_space(struct udf_mount *ump); 62 int udf_process_vds(struct udf_mount *ump, struct udf_args *args); 63 int udf_read_vds_tables(struct udf_mount *ump, struct udf_args *args); 64 int udf_read_rootdirs(struct udf_mount *ump, struct udf_args *args); 65 66 /* translation services */ 67 int udf_translate_vtop(struct udf_mount *ump, struct long_ad *icb_loc, uint32_t *lb_numres, uint32_t *extres); 68 int udf_translate_file_extent(struct udf_node *node, uint32_t from, uint32_t pages, uint64_t *map); 69 70 /* node readers and writers */ 71 int udf_get_node(struct udf_mount *ump, struct long_ad *icbloc, struct udf_node **noderes); 72 int udf_dispose_node(struct udf_node *node); 73 int udf_dispose_locked_node(struct udf_node *node); 74 void udf_read_filebuf(struct udf_node *node, struct buf *buf); 75 int udf_read_file_extent(struct udf_node *node, uint32_t from, uint32_t sectors, uint8_t *blob); 76 77 /* directory read and parse utils */ 78 void udf_to_unix_name(char *result, char *id, int len, struct charspec *chsp); 79 void unix_to_udf_name(char *result, char *name, uint8_t *result_len, struct charspec *chsp); 80 int udf_lookup_name_in_dir(struct vnode *vp, const char *name, int namelen, struct long_ad *icb_loc); 81 int udf_read_fid_stream(struct vnode *vp, uint64_t *offset, struct fileid_desc *fid, struct dirent *dirent); 82 83 /* vnode operations */ 84 int udf_inactive(void *v); 85 int udf_reclaim(void *v); 86 int udf_readdir(void *v); 87 int udf_getattr(void *v); 88 int udf_setattr(void *v); 89 int udf_pathconf(void *v); 90 int udf_open(void *v); 91 int udf_close(void *v); 92 int udf_access(void *v); 93 int udf_read(void *v); 94 int udf_write(void *v); 95 int udf_trivial_bmap(void *v); 96 int udf_strategy(void *v); 97 int udf_lookup(void *v); 98 int udf_create(void *v); 99 int udf_mknod(void *v); 100 int udf_link(void *); 101 int udf_symlink(void *v); 102 int udf_readlink(void *v); 103 int udf_rename(void *v); 104 int udf_remove(void *v); 105 int udf_mkdir(void *v); 106 int udf_rmdir(void *v); 107 int udf_fsync(void *v); 108 int udf_advlock(void *v); 109 110 111 /* helpers and converters */ 112 long udf_calchash(struct long_ad *icbptr); /* for `inode' numbering */ 113 uint32_t udf_getaccessmode(struct udf_node *node); 114 void udf_timestamp_to_timespec(struct udf_mount *ump, struct timestamp *timestamp, struct timespec *timespec); 115 116 #endif /* !_FS_UDF_UDF_SUBR_H_ */ 117