| Current Path : /sys/fs/cd9660/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/fs/cd9660/iso.h |
/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai (amurai@spec.co.jp).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)iso.h 8.6 (Berkeley) 5/10/95
* $FreeBSD: release/9.1.0/sys/fs/cd9660/iso.h 224290 2011-07-24 17:43:09Z mckusick $
*/
#define ISODCL(from, to) (to - from + 1)
struct iso_volume_descriptor {
char type[ISODCL(1,1)]; /* 711 */
char id[ISODCL(2,6)];
char version[ISODCL(7,7)];
char unused[ISODCL(8,8)];
char type_sierra[ISODCL(9,9)]; /* 711 */
char id_sierra[ISODCL(10,14)];
char version_sierra[ISODCL(15,15)];
char data[ISODCL(16,2048)];
};
/* volume descriptor types */
#define ISO_VD_PRIMARY 1
#define ISO_VD_SUPPLEMENTARY 2
#define ISO_VD_END 255
#define ISO_STANDARD_ID "CD001"
#define ISO_ECMA_ID "CDW01"
#define ISO_SIERRA_ID "CDROM"
struct iso_primary_descriptor {
char type [ISODCL ( 1, 1)]; /* 711 */
char id [ISODCL ( 2, 6)];
char version [ISODCL ( 7, 7)]; /* 711 */
char unused1 [ISODCL ( 8, 8)];
char system_id [ISODCL ( 9, 40)]; /* achars */
char volume_id [ISODCL ( 41, 72)]; /* dchars */
char unused2 [ISODCL ( 73, 80)];
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
char unused3 [ISODCL ( 89, 120)];
char volume_set_size [ISODCL (121, 124)]; /* 723 */
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
char logical_block_size [ISODCL (129, 132)]; /* 723 */
char path_table_size [ISODCL (133, 140)]; /* 733 */
char type_l_path_table [ISODCL (141, 144)]; /* 731 */
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
char type_m_path_table [ISODCL (149, 152)]; /* 732 */
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
char volume_set_id [ISODCL (191, 318)]; /* dchars */
char publisher_id [ISODCL (319, 446)]; /* achars */
char preparer_id [ISODCL (447, 574)]; /* achars */
char application_id [ISODCL (575, 702)]; /* achars */
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
char file_structure_version [ISODCL (882, 882)]; /* 711 */
char unused4 [ISODCL (883, 883)];
char application_data [ISODCL (884, 1395)];
char unused5 [ISODCL (1396, 2048)];
};
#define ISO_DEFAULT_BLOCK_SIZE 2048
/*
* Used by Microsoft Joliet extension to ISO9660. Almost the same
* as PVD, but byte position 8 is a flag, and 89-120 is for escape.
*/
struct iso_supplementary_descriptor {
char type [ISODCL ( 1, 1)]; /* 711 */
char id [ISODCL ( 2, 6)];
char version [ISODCL ( 7, 7)]; /* 711 */
char flags [ISODCL ( 8, 8)]; /* 711? */
char system_id [ISODCL ( 9, 40)]; /* achars */
char volume_id [ISODCL ( 41, 72)]; /* dchars */
char unused2 [ISODCL ( 73, 80)];
char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
char escape [ISODCL ( 89, 120)];
char volume_set_size [ISODCL (121, 124)]; /* 723 */
char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
char logical_block_size [ISODCL (129, 132)]; /* 723 */
char path_table_size [ISODCL (133, 140)]; /* 733 */
char type_l_path_table [ISODCL (141, 144)]; /* 731 */
char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
char type_m_path_table [ISODCL (149, 152)]; /* 732 */
char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
char volume_set_id [ISODCL (191, 318)]; /* dchars */
char publisher_id [ISODCL (319, 446)]; /* achars */
char preparer_id [ISODCL (447, 574)]; /* achars */
char application_id [ISODCL (575, 702)]; /* achars */
char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
char file_structure_version [ISODCL (882, 882)]; /* 711 */
char unused4 [ISODCL (883, 883)];
char application_data [ISODCL (884, 1395)];
char unused5 [ISODCL (1396, 2048)];
};
struct iso_sierra_primary_descriptor {
char unknown1 [ISODCL ( 1, 8)]; /* 733 */
char type [ISODCL ( 9, 9)]; /* 711 */
char id [ISODCL ( 10, 14)];
char version [ISODCL ( 15, 15)]; /* 711 */
char unused1 [ISODCL ( 16, 16)];
char system_id [ISODCL ( 17, 48)]; /* achars */
char volume_id [ISODCL ( 49, 80)]; /* dchars */
char unused2 [ISODCL ( 81, 88)];
char volume_space_size [ISODCL ( 89, 96)]; /* 733 */
char unused3 [ISODCL ( 97, 128)];
char volume_set_size [ISODCL (129, 132)]; /* 723 */
char volume_sequence_number [ISODCL (133, 136)]; /* 723 */
char logical_block_size [ISODCL (137, 140)]; /* 723 */
char path_table_size [ISODCL (141, 148)]; /* 733 */
char type_l_path_table [ISODCL (149, 152)]; /* 731 */
char opt_type_l_path_table [ISODCL (153, 156)]; /* 731 */
char unknown2 [ISODCL (157, 160)]; /* 731 */
char unknown3 [ISODCL (161, 164)]; /* 731 */
char type_m_path_table [ISODCL (165, 168)]; /* 732 */
char opt_type_m_path_table [ISODCL (169, 172)]; /* 732 */
char unknown4 [ISODCL (173, 176)]; /* 732 */
char unknown5 [ISODCL (177, 180)]; /* 732 */
char root_directory_record [ISODCL (181, 214)]; /* 9.1 */
char volume_set_id [ISODCL (215, 342)]; /* dchars */
char publisher_id [ISODCL (343, 470)]; /* achars */
char preparer_id [ISODCL (471, 598)]; /* achars */
char application_id [ISODCL (599, 726)]; /* achars */
char copyright_id [ISODCL (727, 790)]; /* achars */
char creation_date [ISODCL (791, 806)]; /* ? */
char modification_date [ISODCL (807, 822)]; /* ? */
char expiration_date [ISODCL (823, 838)]; /* ? */
char effective_date [ISODCL (839, 854)]; /* ? */
char file_structure_version [ISODCL (855, 855)]; /* 711 */
char unused4 [ISODCL (856, 2048)];
};
struct iso_directory_record {
char length [ISODCL (1, 1)]; /* 711 */
char ext_attr_length [ISODCL (2, 2)]; /* 711 */
u_char extent [ISODCL (3, 10)]; /* 733 */
u_char size [ISODCL (11, 18)]; /* 733 */
char date [ISODCL (19, 25)]; /* 7 by 711 */
char flags [ISODCL (26, 26)];
char file_unit_size [ISODCL (27, 27)]; /* 711 */
char interleave [ISODCL (28, 28)]; /* 711 */
char volume_sequence_number [ISODCL (29, 32)]; /* 723 */
char name_len [ISODCL (33, 33)]; /* 711 */
char name [1]; /* XXX */
};
/* can't take sizeof(iso_directory_record), because of possible alignment
of the last entry (34 instead of 33) */
#define ISO_DIRECTORY_RECORD_SIZE 33
struct iso_extended_attributes {
u_char owner [ISODCL (1, 4)]; /* 723 */
u_char group [ISODCL (5, 8)]; /* 723 */
u_char perm [ISODCL (9, 10)]; /* 9.5.3 */
char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */
char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */
char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */
char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */
char recfmt [ISODCL (79, 79)]; /* 711 */
char recattr [ISODCL (80, 80)]; /* 711 */
u_char reclen [ISODCL (81, 84)]; /* 723 */
char system_id [ISODCL (85, 116)]; /* achars */
char system_use [ISODCL (117, 180)];
char version [ISODCL (181, 181)]; /* 711 */
char len_esc [ISODCL (182, 182)]; /* 711 */
char reserved [ISODCL (183, 246)];
u_char len_au [ISODCL (247, 250)]; /* 723 */
};
#ifdef _KERNEL
/* CD-ROM Format type */
enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP,
ISO_FTYPE_JOLIET, ISO_FTYPE_ECMA, ISO_FTYPE_HIGH_SIERRA };
#ifndef ISOFSMNT_ROOT
#define ISOFSMNT_ROOT 0
#endif
struct iso_mnt {
uint64_t im_flags;
struct mount *im_mountp;
struct cdev *im_dev;
struct vnode *im_devvp;
struct g_consumer *im_cp;
struct bufobj *im_bo;
int logical_block_size;
int im_bshift;
int im_bmask;
int volume_space_size;
char root[ISODCL (157, 190)];
int root_extent;
int root_size;
enum ISO_FTYPE iso_ftype;
int rr_skip;
int rr_skip0;
int joliet_level;
void *im_d2l;
void *im_l2d;
};
struct ifid {
u_short ifid_len;
u_short ifid_pad;
int ifid_ino;
long ifid_start;
};
#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
#define blkoff(imp, loc) ((loc) & (imp)->im_bmask)
#define lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
#define lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
#define blksize(imp, ip, lbn) ((imp)->logical_block_size)
int cd9660_vget_internal(struct mount *, ino_t, int, struct vnode **, int,
struct iso_directory_record *);
#define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \
size_t, struct proc *))eopnotsupp)
extern struct vop_vector cd9660_vnodeops;
extern struct vop_vector cd9660_fifoops;
int isochar(u_char *, u_char *, int, u_short *, int *, int, void *);
int isofncmp(u_char *, int, u_char *, int, int, int, void *, void *);
void isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int, void *);
ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
u_short sgetrune(const char *, size_t, char const **, int, void *);
#endif /* _KERNEL */
/*
* The isonum_xxx functions are inlined anyway, and could come handy even
* outside the kernel. Thus we don't hide them here.
*/
/*
* 7xy
* x -> 1 = 8 bits, 2 = 16 bits, 3 = 32 bits
* y -> 1 = little-endian, 2 = big-endian, 3 = both (le then be)
*/
static __inline uint8_t
isonum_711(unsigned char *p)
{
return p[0];
}
static __inline uint8_t
isonum_712(unsigned char *p)
{
return p[0];
}
static __inline uint8_t
isonum_713(unsigned char *p)
{
return p[0];
}
static __inline uint16_t
isonum_721(unsigned char *p)
{
return (p[0] | p[1] << 8);
}
static __inline uint16_t
isonum_722(unsigned char *p)
{
return (p[1] | p[0] << 8);
}
static __inline uint16_t
isonum_723(unsigned char *p)
{
return (p[0] | p[1] << 8);
}
static __inline uint32_t
isonum_731(unsigned char *p)
{
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
static __inline uint32_t
isonum_732(unsigned char *p)
{
return (p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24);
}
static __inline uint32_t
isonum_733(unsigned char *p)
{
return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
}
/*
* Associated files have a leading '='.
*/
#define ASSOCCHAR '='