194663Sscottl/*- 294663Sscottl * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org> 394663Sscottl * All rights reserved. 494663Sscottl * 594663Sscottl * Redistribution and use in source and binary forms, with or without 694663Sscottl * modification, are permitted provided that the following conditions 794663Sscottl * are met: 894663Sscottl * 1. Redistributions of source code must retain the above copyright 994663Sscottl * notice, this list of conditions and the following disclaimer. 1094663Sscottl * 2. Redistributions in binary form must reproduce the above copyright 1194663Sscottl * notice, this list of conditions and the following disclaimer in the 1294663Sscottl * documentation and/or other materials provided with the distribution. 1394663Sscottl * 1494663Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1594663Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1694663Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1794663Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1894663Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1994663Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2094663Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2194663Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2294663Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2394663Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2494663Sscottl * SUCH DAMAGE. 2594663Sscottl * 2694663Sscottl * $FreeBSD$ 2794663Sscottl */ 2894663Sscottl 29114632Sscottl#define UDF_HASHTBLSIZE 100 30114632Sscottl 3194663Sscottlstruct udf_node { 3294663Sscottl struct vnode *i_vnode; 3394663Sscottl struct udf_mnt *udfmp; 3494663Sscottl ino_t hash_id; 3594663Sscottl long diroff; 3694663Sscottl struct file_entry *fentry; 3794663Sscottl}; 3894663Sscottl 3994663Sscottlstruct udf_mnt { 4094663Sscottl int im_flags; 4194663Sscottl struct mount *im_mountp; 42137037Sphk struct g_consumer *im_cp; 43137037Sphk struct bufobj *im_bo; 44130585Sphk struct cdev *im_dev; 4594663Sscottl struct vnode *im_devvp; 4694663Sscottl int bsize; 4794663Sscottl int bshift; 4894663Sscottl int bmask; 4994795Sasmodai uint32_t part_start; 5094795Sasmodai uint32_t part_len; 5194795Sasmodai uint64_t root_id; 5294663Sscottl struct long_ad root_icb; 5394663Sscottl int p_sectors; 5494663Sscottl int s_table_entries; 5594663Sscottl struct udf_sparing_table *s_table; 56122102Sscottl void *im_d2l; /* disk->local iconv handle */ 57122102Sscottl#if 0 58122102Sscottl void *im_l2d; /* local->disk iconv handle */ 59122102Sscottl#endif 6094663Sscottl}; 6194663Sscottl 62101890Sscottlstruct udf_dirstream { 63101890Sscottl struct udf_node *node; 64101890Sscottl struct udf_mnt *udfmp; 65101890Sscottl struct buf *bp; 66101890Sscottl uint8_t *data; 67101890Sscottl uint8_t *buf; 68101890Sscottl int fsize; 69101890Sscottl int off; 70101890Sscottl int this_off; 71101890Sscottl int offset; 72101890Sscottl int size; 73101890Sscottl int error; 74101890Sscottl int fid_fragment; 75101890Sscottl}; 76101890Sscottl 77166774Spjdstruct ifid { 78166774Spjd u_short ifid_len; 79166774Spjd u_short ifid_pad; 80166774Spjd int ifid_ino; 81166774Spjd long ifid_start; 82166774Spjd}; 83166774Spjd 8494663Sscottl#define VFSTOUDFFS(mp) ((struct udf_mnt *)((mp)->mnt_data)) 8594663Sscottl#define VTON(vp) ((struct udf_node *)((vp)->v_data)) 8694663Sscottl 8794663Sscottl/* 8894663Sscottl * The block layer refers to things in terms of 512 byte blocks by default. 8994663Sscottl * btodb() is expensive, so speed things up. 9094663Sscottl * XXX Can the block layer be forced to use a different block size? 9194663Sscottl */ 9294663Sscottl#define RDSECTOR(devvp, sector, size, bp) \ 9394663Sscottl bread(devvp, sector << (udfmp->bshift - DEV_BSHIFT), size, NOCRED, bp) 9494663Sscottl 9594663SscottlMALLOC_DECLARE(M_UDFFENTRY); 9694663Sscottl 9794663Sscottlstatic __inline int 98189082Savgudf_readdevblks(struct udf_mnt *udfmp, int sector, int size, struct buf **bp) 9994663Sscottl{ 100114652Sscottl return (RDSECTOR(udfmp->im_devvp, sector, 101114652Sscottl (size + udfmp->bmask) & ~udfmp->bmask, bp)); 10294663Sscottl} 10394663Sscottl 10494663Sscottl/* 105130986Sscottl * Produce a suitable file number from an ICB. The passed in ICB is expected 106130986Sscottl * to be in little endian (meaning that it hasn't been swapped for big 107130986Sscottl * endian machines yet). 10894663Sscottl * XXX If the fileno resolves to 0, we might be in big trouble. 10994663Sscottl * XXX Assumes the ICB is a long_ad. This struct is compatible with short_ad, 11094663Sscottl * but not ext_ad. 11194663Sscottl */ 112114652Sscottlstatic __inline ino_t 11394663Sscottludf_getid(struct long_ad *icb) 11494663Sscottl{ 115130986Sscottl return (le32toh(icb->loc.lb_num)); 11694663Sscottl} 11794663Sscottl 11894663Sscottlint udf_allocv(struct mount *, struct vnode **, struct thread *); 11994795Sasmodaiint udf_checktag(struct desc_tag *, uint16_t); 12094663Sscottlint udf_vget(struct mount *, ino_t, int, struct vnode **); 12194663Sscottl 12294663Sscottlextern uma_zone_t udf_zone_trans; 12394663Sscottlextern uma_zone_t udf_zone_node; 124101890Sscottlextern uma_zone_t udf_zone_ds; 125188245Sjhb 126188245Sjhbextern struct vop_vector udf_fifoops; 127