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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_FS_HSFS_ISOSPEC_H
#define _SYS_FS_HSFS_ISOSPEC_H
/*
* ISO 9660 filesystem specification
*/
#ifdef __cplusplus
extern "C" {
#endif
/* macros to parse binary integers */
#define ZERO(x) (uint_t)(((uchar_t *)(x))[0])
#define ONE(x) (uint_t)(((uchar_t *)(x))[1])
#define TWO(x) (uint_t)(((uchar_t *)(x))[2])
#define THREE(x) (uint_t)(((uchar_t *)(x))[3])
#define MSB_INT(x) \
((((((ZERO(x) << 8) | ONE(x)) << 8) | TWO(x)) << 8) | THREE(x))
#define LSB_INT(x) \
((((((THREE(x) << 8) | TWO(x)) << 8) | ONE(x)) << 8) | ZERO(x))
#define MSB_SHORT(x) ((ZERO(x) << 8) | ONE(x))
#define LSB_SHORT(x) ((ONE(x) << 8) | ZERO(x))
#if defined(__i386) || defined(__amd64)
#define BOTH_SHORT(x) (short)*((short *)x)
#define BOTH_INT(x) (int)*((int *)x)
#elif defined(__sparc)
/*
* SPARC machines require that integers must
* be aligned on a full word boundary. CD-ROM data aligns
* to even word boundary only. Because of this mismatch,
* we have to move integer data from CD-ROM to memory one
* byte at a time. LSB data starts first. We therefore
* use this to do byte by byte copying.
*/
#define BOTH_SHORT(x) LSB_SHORT(x)
#define BOTH_INT(x) LSB_INT(x)
#endif
/*
* The following describes actual on-disk structures.
* To achieve portability, all structures are #defines
* rather than a structure definition. Macros are provided
* to get either the data or address of individual fields.
*/
/* Overall High Sierra disk structure */
#define ISO_SECTOR_SIZE 2048 /* bytes per logical sector */
#define ISO_SECTOR_SHIFT 11 /* sector<->byte shift count */
#define ISO_SEC_PER_PAGE (PAGESIZE/HS_SECTOR_SIZE)
/* sectors per page */
#define ISO_SYSAREA_SEC 0 /* 1st sector of system area */
#define ISO_VOLDESC_SEC 16 /* 1st sector of volume descriptors */
#define MAXISOOFFSET (ISO_SECTOR_SIZE - 1)
#define MAXISOMASK (~MAXISOOFFSET)
/* Standard File Structure Volume Descriptor */
enum iso_voldesc_type {
ISO_VD_BOOT = 0, ISO_VD_PVD = 1, ISO_VD_SVD = 2, ISO_VD_VPD = 3,
ISO_VD_UNIX = 4, /* UNIX extension */
ISO_VD_EOV = 255
};
#define ISO_ID_STRING "CD001" /* ISO_std_id field */
#define ISO_ID_STRLEN 5 /* ISO_std_id field length */
#define ISO_ID_VER 1 /* ISO_std_ver field ISO-9660:1988 */
#define ISO_ID_VER2 2 /* ISO_std_ver field ISO-9660:1999 */
#define ISO_FILE_STRUCT_ID_VER 1 /* ISO_file structure version field */
#define ISO_SYS_ID_STRLEN 32
#define ISO_VOL_ID_STRLEN 32
#define ISO_VOL_SET_ID_STRLEN 128
#define ISO_PUB_ID_STRLEN 128
#define ISO_PREP_ID_STRLEN 128
#define ISO_APPL_ID_STRLEN 128
#define ISO_COPYR_ID_STRLEN 37
#define ISO_ABSTR_ID_STRLEN 37
#define ISO_SHORT_DATE_LEN 7
#define ISO_DATE_LEN 17
/* macros to get the address of each field */
#define ISO_desc_type(x) (&((uchar_t *)x)[0])
#define ISO_std_id(x) (&((uchar_t *)x)[1])
#define ISO_std_ver(x) (&((uchar_t *)x)[6])
#define ISO_sys_id(x) (&((uchar_t *)x)[8])
#define ISO_vol_id(x) (&((uchar_t *)x)[40])
#define ISO_vol_size(x) (&((uchar_t *)x)[80])
#define ISO_svd_esc(x) (&((uchar_t *)x)[88]) /* Supplemental VD */
#define ISO_set_size(x) (&((uchar_t *)x)[120])
#define ISO_set_seq(x) (&((uchar_t *)x)[124])
#define ISO_blk_size(x) (&((uchar_t *)x)[128])
#define ISO_ptbl_size(x) (&((uchar_t *)x)[132])
#define ISO_ptbl_man_ls(x) (&((uchar_t *)x)[140])
#define ISO_ptbl_opt_ls1(x) (&((uchar_t *)x)[144])
#define ISO_ptbl_man_ms(x) (&((uchar_t *)x)[148])
#define ISO_ptbl_opt_ms1(x) (&((uchar_t *)x)[152])
#define ISO_root_dir(x) (&((uchar_t *)x)[156])
#define ISO_vol_set_id(x) (&((uchar_t *)x)[190])
#define ISO_pub_id(x) (&((uchar_t *)x)[318])
#define ISO_prep_id(x) (&((uchar_t *)x)[446])
#define ISO_appl_id(x) (&((uchar_t *)x)[574])
#define ISO_copyr_id(x) (&((uchar_t *)x)[702])
#define ISO_abstr_id(x) (&((uchar_t *)x)[739])
#define ISO_bibli_id(x) (&((uchar_t *)x)[776])
#define ISO_cre_date(x) (&((uchar_t *)x)[813])
#define ISO_mod_date(x) (&((uchar_t *)x)[830])
#define ISO_exp_date(x) (&((uchar_t *)x)[847])
#define ISO_eff_date(x) (&((uchar_t *)x)[864])
#define ISO_file_struct_ver(x) (&((uchar_t *)x)[881])
/* macros to get the values of each field (strings are returned as ptrs) */
#define ISO_DESC_TYPE(x) ((enum iso_voldesc_type)*(ISO_desc_type(x)))
#define ISO_STD_ID(x) ISO_std_id(x)
#define ISO_STD_VER(x) *(ISO_std_ver(x))
#define ISO_SYS_ID(x) ISO_sys_id(x)
#define ISO_VOL_ID(x) ISO_vol_id(x)
#define ISO_VOL_SIZE(x) BOTH_INT(ISO_vol_size(x))
#define ISO_SET_SIZE(x) BOTH_SHORT(ISO_set_size(x))
#define ISO_SET_SEQ(x) BOTH_SHORT(ISO_set_seq(x))
#define ISO_BLK_SIZE(x) BOTH_SHORT(ISO_blk_size(x))
#define ISO_PTBL_SIZE(x) BOTH_INT(ISO_ptbl_size(x))
#define ISO_PTBL_MAN_LS(x) LSB_INT(ISO_ptbl_man_ls(x))
#define ISO_PTBL_OPT_LS1(x) LSB_INT(ISO_ptbl_opt_ls1(x))
#define ISO_PTBL_MAN_MS(x) MSB_INT(ISO_ptbl_man_ms(x))
#define ISO_PTBL_OPT_MS1(x) MSB_INT(ISO_ptbl_opt_ms1(x))
#define ISO_ROOT_DIR(x) ISO_root_dir(x)
#define ISO_VOL_SET_ID(x) ISO_vol_set_id(x)
#define ISO_PUB_ID(x) ISO_pub_id(x)
#define ISO_PREP_ID(x) ISO_prep_id(x)
#define ISO_APPL_ID(x) ISO_appl_id(x)
#define ISO_COPYR_ID(x) ISO_copyr_id(x)
#define ISO_ABSTR_ID(x) ISO_abstr_id(x)
#define ISO_BIBLI_ID(x) ISO_bibli_id(x)
#define ISO_CRE_DATE(x) HSV_cre_date(x)
#define ISO_MOD_DATE(x) HSV_mod_date(x)
#define ISO_EXP_DATE(x) HSV_exp_date(x)
#define ISO_EFF_DATE(x) HSV_eff_date(x)
#define ISO_FILE_STRUCT_VER(x) *(ISO_file_struct_ver(x))
/* Standard File Structure Volume Descriptor date fields */
#define ISO_DATE_2DIG(x) ((((x)[0] - '0') * 10) + \
((x)[1] - '0'))
#define ISO_DATE_4DIG(x) ((((x)[0] - '0') * 1000) + \
(((x)[1] - '0') * 100) + \
(((x)[2] - '0') * 10) + \
((x)[3] - '0'))
#define ISO_DATE_YEAR(x) ISO_DATE_4DIG(&((uchar_t *)x)[0])
#define ISO_DATE_MONTH(x) ISO_DATE_2DIG(&((uchar_t *)x)[4])
#define ISO_DATE_DAY(x) ISO_DATE_2DIG(&((uchar_t *)x)[6])
#define ISO_DATE_HOUR(x) ISO_DATE_2DIG(&((uchar_t *)x)[8])
#define ISO_DATE_MIN(x) ISO_DATE_2DIG(&((uchar_t *)x)[10])
#define ISO_DATE_SEC(x) ISO_DATE_2DIG(&((uchar_t *)x)[12])
#define ISO_DATE_HSEC(x) ISO_DATE_2DIG(&((uchar_t *)x)[14])
#define ISO_DATE_GMTOFF(x) (((char *)x)[16])
/* Directory Entry (Directory Record) */
#define IDE_ROOT_DIR_REC_SIZE 34 /* size of root directory record */
#define IDE_FDESIZE 33 /* fixed size for hsfs directory area */
/* max size of a name */
#define IDE_MAX_NAME_LEN (255 - IDE_FDESIZE)
/* macros to get the address of each field */
#define IDE_dir_len(x) (&((uchar_t *)x)[0])
#define IDE_xar_len(x) (&((uchar_t *)x)[1])
#define IDE_ext_lbn(x) (&((uchar_t *)x)[2])
#define IDE_ext_size(x) (&((uchar_t *)x)[10])
#define IDE_cdate(x) (&((uchar_t *)x)[18])
#define IDE_flags(x) (&((uchar_t *)x)[25])
#define IDE_intrlv_size(x) (&((uchar_t *)x)[26])
#define IDE_intrlv_skip(x) (&((uchar_t *)x)[27])
#define IDE_vol_set(x) (&((uchar_t *)x)[28])
#define IDE_name_len(x) (&((uchar_t *)x)[32])
#define IDE_name(x) (&((uchar_t *)x)[33])
#define IDE_sys_use_area(x) (&((uchar_t *)x)[IDE_NAME_LEN(x) + \
IDE_PAD_LEN(x)] + IDE_FDESIZE)
/* macros to get the values of each field (strings are returned as ptrs) */
#define IDE_DIR_LEN(x) *(IDE_dir_len(x))
#define IDE_XAR_LEN(x) *(IDE_xar_len(x))
#define IDE_EXT_LBN(x) BOTH_INT(IDE_ext_lbn(x))
#define IDE_EXT_SIZE(x) BOTH_INT(IDE_ext_size(x))
#define IDE_CDATE(x) IDE_cdate(x)
#define IDE_FLAGS(x) *(IDE_flags(x))
#define IDE_INTRLV_SIZE(x) *(IDE_intrlv_size(x))
#define IDE_INTRLV_SKIP(x) *(IDE_intrlv_skip(x))
#define IDE_VOL_SET(x) BOTH_SHORT(IDE_vol_set(x))
#define IDE_NAME_LEN(x) *(IDE_name_len(x))
#define IDE_NAME(x) IDE_name(x)
#define IDE_PAD_LEN(x) ((IDE_NAME_LEN(x) % 2) ? 0 : 1)
#define IDE_SUA_LEN(x) ((int)(IDE_DIR_LEN(x)) - (int)(IDE_FDESIZE) - \
(int)(IDE_NAME_LEN(x)) - (int)(IDE_PAD_LEN(x)))
/* mask bits for IDE_FLAGS */
#define IDE_EXISTENCE 0x01 /* zero if file exists */
#define IDE_DIRECTORY 0x02 /* zero if file is not a directory */
#define IDE_ASSOCIATED 0x04 /* zero if file is not Associated */
#define IDE_RECORD 0x08 /* zero if no record attributes */
#define IDE_PROTECTION 0x10 /* zero if no protection attributes */
#define IDE_UNUSED_FLAGS 0x60
#define IDE_LAST_EXTENT 0x80 /* zero if last extent in file */
#define IDE_PROHIBITED (IDE_DIRECTORY | IDE_RECORD | \
IDE_LAST_EXTENT | IDE_UNUSED_FLAGS)
/* Directory Record date fields */
#define IDE_DATE_YEAR(x) (((uchar_t *)x)[0] + 1900)
#define IDE_DATE_MONTH(x) (((uchar_t *)x)[1])
#define IDE_DATE_DAY(x) (((uchar_t *)x)[2])
#define IDE_DATE_HOUR(x) (((uchar_t *)x)[3])
#define IDE_DATE_MIN(x) (((uchar_t *)x)[4])
#define IDE_DATE_SEC(x) (((uchar_t *)x)[5])
#define IDE_DATE_GMTOFF(x) (((char *)x)[6])
/* tests for Interchange Levels 1 & 2 file types */
#define IDE_REGULAR_FILE(x) (((x) & IDE_PROHIBITED) == 0)
#define IDE_REGULAR_DIR(x) (((x) & IDE_PROHIBITED) == IDE_DIRECTORY)
/*
* A ISO filename is: "ABCDE.EEE;1" -> <filename> '.' <ext> ';' <version #>
*
* The ISO-9660:1988 (Version 1) maximum needed string length is:
* 30 chars (filename + ext)
* + 2 chars ('.' + ';')
* + strlen("32767")
* + null byte
* ================================
* = 38 chars
*
* ISO_DIR_NAMELEN counts 30 chars + '.'
*/
#define ISO_DIR_NAMELEN 31 /* max length of a directory name */
#define ISO_FILE_NAMELEN 31 /* max length of a filename, */
/* excluding ";" and version num */
#define ISO_NAMELEN_V2 207 /* ISOv2: 254 - 33 - 14 (XA Record) */
#define ISO_NAMELEN_V2_MAX 221 /* max length, ignorig ISOv2 */
#define JOLIET_NAMELEN 64 /* Joliet file name length (spec) */
#define JOLIET_NAMELEN_MAX 110 /* max Joliet file name length */
/* Path table enry */
/* fix size of path table entry */
#define IPE_FPESIZE 8
/* macros to get the address of each field */
#define IPE_name_len(x) (&((uchar_t *)x)[0])
#define IPE_xar_len(x) (&((uchar_t *)x)[1])
#define IPE_ext_lbn(x) (&((uchar_t *)x)[2])
#define IPE_parent_no(x) (&((uchar_t *)x)[6])
#define IPE_name(x) (&((uchar_t *)x)[8])
/* macros to get the values of each field */
#define IPE_EXT_LBN(x) (MSB_INT(IPE_ext_lbn(x)))
#define IPE_XAR_LEN(x) *(IPE_xar_len(x))
#define IPE_NAME_LEN(x) *(IPE_name_len(x))
#define IPE_PARENT_NO(x) *(short *)(IPE_parent_no(x))
#define IPE_NAME(x) IPE_name(x)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FS_HSFS_ISOSPEC_H */
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