283 lines
8.7 KiB
C
283 lines
8.7 KiB
C
/* $NetBSD: udf_create.h,v 1.7 2013/08/09 15:11:08 reinoud Exp $ */
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/*
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* Copyright (c) 2006, 2008 Reinoud Zandijk
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _FS_UDF_UDF_CREATE_H_
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#define _FS_UDF_UDF_CREATE_H_
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#include <sys/types.h>
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#include <sys/stat.h>
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#if !HAVE_NBTOOL_CONFIG_H
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#include <fs/udf/ecma167-udf.h>
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#else
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#include "../../sys/fs/udf/ecma167-udf.h"
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#endif
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#include "udf_bswap.h"
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#include "udf_osta.h"
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/* format flags indicating properties of disc to create */
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#define FORMAT_WRITEONCE 0x00001
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#define FORMAT_SEQUENTIAL 0x00002
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#define FORMAT_REWRITABLE 0x00004
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#define FORMAT_SPARABLE 0x00008
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#define FORMAT_META 0x00010
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#define FORMAT_LOW 0x00020
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#define FORMAT_VAT 0x00040
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#define FORMAT_WORM 0x00080
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#define FORMAT_TRACK512 0x00100
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#define FORMAT_INVALID 0x00200
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#define FORMAT_READONLY 0x00400
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#define FORMAT_FLAGBITS \
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"\10\1WRITEONCE\2SEQUENTIAL\3REWRITABLE\4SPARABLE\5META\6LOW" \
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"\7VAT\10WORM\11TRACK512\12INVALID\13READONLY"
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/* structure space */
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#define UDF_ANCHORS 4 /* 256, 512, N-256, N */
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#define UDF_PARTITIONS 4 /* overkill */
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#define UDF_PMAPS 4 /* overkill */
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/* misc constants */
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#define UDF_MAX_NAMELEN 255 /* as per SPEC */
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/* translation constants */
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#define UDF_VTOP_RAWPART UDF_PMAPS /* [0..UDF_PMAPS> are normal */
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/* virtual to physical mapping types */
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#define UDF_VTOP_TYPE_RAW 0
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#define UDF_VTOP_TYPE_UNKNOWN 0
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#define UDF_VTOP_TYPE_PHYS 1
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#define UDF_VTOP_TYPE_VIRT 2
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#define UDF_VTOP_TYPE_SPARABLE 3
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#define UDF_VTOP_TYPE_META 4
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#define UDF_TRANS_ZERO ((uint64_t) -1)
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#define UDF_TRANS_UNMAPPED ((uint64_t) -2)
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#define UDF_TRANS_INTERN ((uint64_t) -3)
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#define UDF_MAX_SECTOR ((uint64_t) -10) /* high water mark */
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/* handys */
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#define UDF_ROUNDUP(val, gran) \
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((uint64_t) (gran) * (((uint64_t)(val) + (gran)-1) / (gran)))
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#define UDF_ROUNDDOWN(val, gran) \
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((uint64_t) (gran) * (((uint64_t)(val)) / (gran)))
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/* disc offsets for various structures and their sizes */
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struct udf_disclayout {
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uint32_t wrtrack_skew;
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uint32_t iso9660_vrs;
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uint32_t anchors[UDF_ANCHORS];
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uint32_t vds_size, vds1, vds2;
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uint32_t lvis_size, lvis;
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uint32_t first_lba, last_lba;
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uint32_t sector_size;
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uint32_t blockingnr, align_blockingnr, sparable_blockingnr;
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uint32_t meta_blockingnr, meta_alignment;
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/* sparables */
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uint32_t sparable_blocks;
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uint32_t sparable_area, sparable_area_size;
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uint32_t sparing_table_dscr_lbas;
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uint32_t spt_1, spt_2;
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/* bitmaps */
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uint32_t alloc_bitmap_dscr_size;
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uint32_t unalloc_space, freed_space;
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uint32_t meta_bitmap_dscr_size;
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uint32_t meta_bitmap_space;
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/* metadata partition */
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uint32_t meta_file, meta_mirror, meta_bitmap;
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uint32_t meta_part_start_lba, meta_part_size_lba;
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/* main partition */
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uint32_t part_start_lba, part_size_lba;
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uint32_t fsd, rootdir, vat;
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};
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/* all info about discs and descriptors building */
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struct udf_create_context {
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/* descriptors */
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int dscrver; /* 2 or 3 */
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int min_udf; /* hex */
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int max_udf; /* hex */
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int serialnum; /* format serialno */
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int gmtoff; /* in minutes */
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/* XXX to layout? */
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uint32_t sector_size;
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/* identification */
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char *logvol_name;
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char *primary_name;
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char *volset_name;
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char *fileset_name;
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char const *app_name;
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char const *impl_name;
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int app_version_main;
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int app_version_sub;
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/* building */
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int vds_seq; /* for building functions */
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int unique_id; /* only first few are used */
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/* constructed structures */
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struct anchor_vdp *anchors[UDF_ANCHORS]; /* anchors to VDS */
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struct pri_vol_desc *primary_vol; /* identification */
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struct logvol_desc *logical_vol; /* main mapping v->p */
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struct unalloc_sp_desc *unallocated; /* free UDF space */
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struct impvol_desc *implementation; /* likely reduntant */
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struct logvol_int_desc *logvol_integrity; /* current integrity */
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struct part_desc *partitions[UDF_PARTITIONS]; /* partitions */
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/* XXX to layout? */
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int data_part;
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int metadata_part;
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/* block numbers as offset in partition */
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uint32_t metadata_alloc_pos;
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uint32_t data_alloc_pos;
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/* derived; points *into* other structures */
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struct udf_logvol_info *logvol_info; /* inside integrity */
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/* fileset and root directories */
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struct fileset_desc *fileset_desc; /* normally one */
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/* logical to physical translations */
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int vtop[UDF_PMAPS+1]; /* vpartnr trans */
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int vtop_tp[UDF_PMAPS+1]; /* type of trans */
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uint64_t vtop_offset[UDF_PMAPS+1]; /* offset in lb */
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/* sparable */
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struct udf_sparing_table*sparing_table; /* replacements */
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/* VAT file */
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uint32_t vat_size; /* length */
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uint32_t vat_allocated; /* allocated length */
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uint32_t vat_start; /* offset 1st entry */
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uint8_t *vat_contents; /* the VAT */
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/* meta data partition */
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struct extfile_entry *meta_file;
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struct extfile_entry *meta_mirror;
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struct extfile_entry *meta_bitmap;
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/* lvint */
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int num_files;
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int num_directories;
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uint32_t part_size[UDF_PARTITIONS];
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uint32_t part_free[UDF_PARTITIONS];
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struct space_bitmap_desc*part_unalloc_bits[UDF_PARTITIONS];
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struct space_bitmap_desc*part_freed_bits [UDF_PARTITIONS];
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};
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/* globals */
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extern struct udf_create_context context;
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extern struct udf_disclayout layout;
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/* prototypes */
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void udf_init_create_context(void);
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int a_udf_version(const char *s, const char *id_type);
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int udf_calculate_disc_layout(int format_flags, int min_udf,
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uint32_t wrtrack_skew,
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uint32_t first_lba, uint32_t last_lba,
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uint32_t sector_size, uint32_t blockingnr,
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uint32_t sparable_blocks,
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float meta_fract);
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void udf_osta_charset(struct charspec *charspec);
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void udf_encode_osta_id(char *osta_id, uint16_t len, char *text);
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void udf_set_regid(struct regid *regid, char const *name);
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void udf_add_domain_regid(struct regid *regid);
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void udf_add_udf_regid(struct regid *regid);
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void udf_add_impl_regid(struct regid *regid);
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void udf_add_app_regid(struct regid *regid);
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int udf_validate_tag_sum(union dscrptr *dscr);
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int udf_validate_tag_and_crc_sums(union dscrptr *dscr);
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void udf_set_timestamp_now(struct timestamp *timestamp);
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void udf_inittag(struct desc_tag *tag, int tagid, uint32_t loc);
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int udf_create_anchor(int num);
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void udf_create_terminator(union dscrptr *dscr, uint32_t loc);
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int udf_create_primaryd(void);
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int udf_create_partitiond(int part_num, int part_accesstype);
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int udf_create_unalloc_spaced(void);
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int udf_create_sparing_tabled(void);
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int udf_create_space_bitmap(uint32_t dscr_size, uint32_t part_size_lba,
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struct space_bitmap_desc **sbdp);
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int udf_create_logical_dscr(int format_flags);
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int udf_create_impvold(char *field1, char *field2, char *field3);
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int udf_create_fsd(void);
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int udf_create_lvintd(int type);
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void udf_update_lvintd(int type);
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int udf_register_bad_block(uint32_t location);
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void udf_mark_allocated(uint32_t start_lb, int partnr, uint32_t blocks);
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int udf_create_new_fe(struct file_entry **fep, int file_type,
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struct stat *st);
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int udf_create_new_efe(struct extfile_entry **efep, int file_type,
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struct stat *st);
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int udf_encode_symlink(uint8_t **pathbufp, uint32_t *pathlenp, char *target);
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void udf_advance_uniqueid(void);
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int udf_fidsize(struct fileid_desc *fid);
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void udf_create_fid(uint32_t diroff, struct fileid_desc *fid,
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char *name, int namelen, struct long_ad *ref);
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int udf_create_parentfid(struct fileid_desc *fid, struct long_ad *parent);
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int udf_create_meta_files(void);
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int udf_create_new_rootdir(union dscrptr **dscr);
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int udf_create_VAT(union dscrptr **vat_dscr);
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void udf_prepend_VAT_file(void);
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void udf_vat_update(uint32_t virt, uint32_t phys);
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int udf_append_VAT_file(void);
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#endif /* _FS_UDF_UDF_CREATE_H_ */
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