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udf_subr.h revision 1.4.10.2 
      1 /* $NetBSD: udf_subr.h,v 1.4.10.2 2006/06/21 15:09:37 yamt 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