/* * 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 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_FS_HSFS_SPEC_H #define _SYS_FS_HSFS_SPEC_H #pragma ident "%Z%%M% %I% %E% SMI" /* * High Sierra filesystem specification */ #include #include #ifdef __cplusplus extern "C" { #endif #ifdef _KERNEL /* routines required for date parsing */ extern void hs_parse_dirdate(uchar_t *, struct timeval *); extern void hs_parse_longdate(uchar_t *, struct timeval *); #endif /* _KERNEL */ /* 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 requires that integer must * be in 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 HS_SECTOR_SIZE 2048 /* bytes per logical sector */ #define HS_SECTOR_SHIFT 11 /* sector<->byte shift count */ #define HS_SEC_PER_PAGE (PAGESIZE/HS_SECTOR_SIZE) /* sectors per page */ #define HS_SYSAREA_SEC 0 /* 1st sector of system area */ #define HS_VOLDESC_SEC 16 /* 1st sector of volume descriptors */ #define MAXHSOFFSET (HS_SECTOR_SIZE - 1) #define MAXHSMASK (~MAXHSOFFSET) /* Standard File Structure Volume Descriptor */ enum hs_voldesc_type { VD_BOOT = 0, VD_SFS = 1, VD_CCFS = 2, VD_UNSPEC = 3, VD_EOV = 255 }; #define HSV_ID_STRING "CDROM" /* HSV_std_id field */ #define HSV_ID_STRLEN 5 /* HSV_std_id field length */ #define HSV_ID_VER 1 /* HSV_std_ver field */ #define HSV_FILE_STRUCT_ID_VER 1 /* HSV_file_struct_ver field */ #define HSV_SYS_ID_STRLEN 32 /* HSV_sys_id field length */ #define HSV_VOL_ID_STRLEN 32 /* HSV_vol_id field length */ #define HSV_VOL_SET_ID_STRLEN 128 /* HSV_vol_set_id field length */ #define HSV_PUB_ID_STRLEN 128 /* HSV_pub_id field length */ #define HSV_PREP_ID_STRLEN 128 /* HSV_prep_id field length */ #define HSV_APPL_ID_STRLEN 128 /* HSV_appl_id field length */ #define HSV_COPYR_ID_STRLEN 32 /* HSV_copyr_id field length */ #define HSV_ABSTR_ID_STRLEN 32 /* HSV_abstr_id field length */ #define HSV_DATE_LEN 16 /* HSV date filed length */ /* macros to get the address of each field */ #define HSV_desc_lbn(x) (&((uchar_t *)x)[0]) #define HSV_desc_type(x) (&((uchar_t *)x)[8]) #define HSV_std_id(x) (&((uchar_t *)x)[9]) #define HSV_std_ver(x) (&((uchar_t *)x)[14]) #define HSV_sys_id(x) (&((uchar_t *)x)[16]) #define HSV_vol_id(x) (&((uchar_t *)x)[48]) #define HSV_vol_size(x) (&((uchar_t *)x)[88]) #define HSV_set_size(x) (&((uchar_t *)x)[128]) #define HSV_set_seq(x) (&((uchar_t *)x)[132]) #define HSV_blk_size(x) (&((uchar_t *)x)[136]) #define HSV_ptbl_size(x) (&((uchar_t *)x)[140]) #define HSV_ptbl_man_ls(x) (&((uchar_t *)x)[148]) #define HSV_ptbl_opt_ls1(x) (&((uchar_t *)x)[152]) #define HSV_ptbl_opt_ls2(x) (&((uchar_t *)x)[156]) #define HSV_ptbl_opt_ls3(x) (&((uchar_t *)x)[160]) #define HSV_ptbl_man_ms(x) (&((uchar_t *)x)[164]) #define HSV_ptbl_opt_ms1(x) (&((uchar_t *)x)[168]) #define HSV_ptbl_opt_ms2(x) (&((uchar_t *)x)[172]) #define HSV_ptbl_opt_ms3(x) (&((uchar_t *)x)[176]) #define HSV_root_dir(x) (&((uchar_t *)x)[180]) #define HSV_vol_set_id(x) (&((uchar_t *)x)[214]) #define HSV_pub_id(x) (&((uchar_t *)x)[342]) #define HSV_prep_id(x) (&((uchar_t *)x)[470]) #define HSV_appl_id(x) (&((uchar_t *)x)[598]) #define HSV_copyr_id(x) (&((uchar_t *)x)[726]) #define HSV_abstr_id(x) (&((uchar_t *)x)[758]) #define HSV_cre_date(x) (&((uchar_t *)x)[790]) #define HSV_mod_date(x) (&((uchar_t *)x)[806]) #define HSV_exp_date(x) (&((uchar_t *)x)[822]) #define HSV_eff_date(x) (&((uchar_t *)x)[838]) #define HSV_file_struct_ver(x) (&((uchar_t *)x)[854]) /* macros to get the values of each field (strings are returned as ptrs) */ #define HSV_DESC_LBN(x) BOTH_INT(HSV_desc_lbn(x)) #define HSV_DESC_TYPE(x) ((enum hs_voldesc_type)*(HSV_desc_type(x))) #define HSV_STD_ID(x) HSV_std_id(x) #define HSV_STD_VER(x) *(HSV_std_ver(x)) #define HSV_SYS_ID(x) HSV_sys_id(x) #define HSV_VOL_ID(x) HSV_vol_id(x) #define HSV_VOL_SIZE(x) BOTH_INT(HSV_vol_size(x)) #define HSV_SET_SIZE(x) BOTH_SHORT(HSV_set_size(x)) #define HSV_SET_SEQ(x) BOTH_SHORT(HSV_set_seq(x)) #define HSV_BLK_SIZE(x) BOTH_SHORT(HSV_blk_size(x)) #define HSV_PTBL_SIZE(x) BOTH_INT(HSV_ptbl_size(x)) #define HSV_PTBL_MAN_LS(x) LSB_INT(HSV_ptbl_man_ls(x)) #define HSV_PTBL_OPT_LS1(x) LSB_INT(HSV_ptbl_opt_ls1(x)) #define HSV_PTBL_OPT_LS2(x) LSB_INT(HSV_ptbl_opt_ls2(x)) #define HSV_PTBL_OPT_LS3(x) LSB_INT(HSV_ptbl_opt_ls3(x)) #define HSV_PTBL_MAN_MS(x) MSB_INT(HSV_ptbl_man_ms(x)) #define HSV_PTBL_OPT_MS1(x) MSB_INT(HSV_ptbl_opt_ms1(x)) #define HSV_PTBL_OPT_MS2(x) MSB_INT(HSV_ptbl_opt_ms2(x)) #define HSV_PTBL_OPT_MS3(x) MSB_INT(HSV_ptbl_opt_ms3(x)) #define HSV_ROOT_DIR(x) HSV_root_dir(x) #define HSV_VOL_SET_ID(x) HSV_vol_set_id(x) #define HSV_PUB_ID(x) HSV_pub_id(x) #define HSV_PREP_ID(x) HSV_prep_id(x) #define HSV_APPL_ID(x) HSV_appl_id(x) #define HSV_COPYR_ID(x) HSV_copyr_id(x) #define HSV_ABSTR_ID(x) HSV_abstr_id(x) #define HSV_CRE_DATE(x) HSV_cre_date(x) #define HSV_MOD_DATE(x) HSV_mod_date(x) #define HSV_EXP_DATE(x) HSV_exp_date(x) #define HSV_EFF_DATE(x) HSV_eff_date(x) #define HSV_FILE_STRUCT_VER(x) *(HSV_file_struct_ver(x)) /* Standard File Structure Volume Descriptor date fields */ #define HSV_DATE_2DIG(x) ((((x)[0] - '0') * 10) + \ ((x)[1] - '0')) #define HSV_DATE_4DIG(x) ((((x)[0] - '0') * 1000) + \ (((x)[1] - '0') * 100) + \ (((x)[2] - '0') * 10) + \ ((x)[3] - '0')) #define HSV_DATE_YEAR(x) HSV_DATE_4DIG(&((uchar_t *)x)[0]) #define HSV_DATE_MONTH(x) HSV_DATE_2DIG(&((uchar_t *)x)[4]) #define HSV_DATE_DAY(x) HSV_DATE_2DIG(&((uchar_t *)x)[6]) #define HSV_DATE_HOUR(x) HSV_DATE_2DIG(&((uchar_t *)x)[8]) #define HSV_DATE_MIN(x) HSV_DATE_2DIG(&((uchar_t *)x)[10]) #define HSV_DATE_SEC(x) HSV_DATE_2DIG(&((uchar_t *)x)[12]) #define HSV_DATE_HSEC(x) HSV_DATE_2DIG(&((uchar_t *)x)[14]) #define HSV_DATE_GMTOFF(x) (((char *)x)[16]) /* Path table enry */ /* fix size of path table entry */ #define HPE_FPESIZE 8 /* macros to get the address of each field */ #define HPE_ext_lbn(x) (&((uchar_t *)x)[0]) #define HPE_xar_len(x) (&((uchar_t *)x)[4]) #define HPE_name_len(x) (&((uchar_t *)x)[5]) #define HPE_parent_no(x) (&((uchar_t *)x)[6]) #define HPE_name(x) (&((uchar_t *)x)[8]) /* macros to get the values of each field */ #if defined(__sparc) #define HPE_EXT_LBN(x) (MSB_INT(HPE_ext_lbn(x))) #else #define HPE_EXT_LBN(x) *(int *)(HPE_ext_lbn(x)) #endif #define HPE_XAR_LEN(x) *(HPE_xar_len(x)) #define HPE_NAME_LEN(x) *(HPE_name_len(x)) #define HPE_PARENT_NO(x) *(short *)(HPE_parent_no(x)) #define HPE_NAME(x) HPE_name(x) /* root record */ #define HDE_ROOT_DIR_REC_SIZE 34 /* size of root directory record */ #define HDE_FDESIZE 33 /* fixed size for hsfs directory area */ #define HDE_FUSIZE 12 /* fixed size for unix area */ /* max size of a name */ #define HDE_MAX_NAME_LEN (255 - HDE_FDESIZE - HDE_FUSIZE) /* Directory Entry (Directory Record) */ #define UNIX_TO_HDE_DATE(t, p) parse_unixdate((t), (p)) /* macros to get the address of each field */ #define HDE_dir_len(x) (&((uchar_t *)x)[0]) #define HDE_xar_len(x) (&((uchar_t *)x)[1]) #define HDE_ext_lbn(x) (&((uchar_t *)x)[2]) #define HDE_ext_size(x) (&((uchar_t *)x)[10]) #define HDE_cdate(x) (&((uchar_t *)x)[18]) #define HDE_flags(x) (&((uchar_t *)x)[24]) #define HDE_reserved(x) (&((uchar_t *)x)[25]) #define HDE_intrlv_size(x) (&((uchar_t *)x)[26]) #define HDE_intrlv_skip(x) (&((uchar_t *)x)[27]) #define HDE_vol_set(x) (&((uchar_t *)x)[28]) #define HDE_name_len(x) (&((uchar_t *)x)[32]) #define HDE_name(x) (&((uchar_t *)x)[33]) /* **UNIX extension*** */ #define HDE_mode(x) (&((uchar_t *)x)[0]) #define HDE_uid(x) (&((uchar_t *)x)[4]) #define HDE_gid(x) (&((uchar_t *)x)[8]) /* macros to get the values of each field (strings are returned as ptrs) */ #define HDE_DIR_LEN(x) *(HDE_dir_len(x)) #define HDE_XAR_LEN(x) *(HDE_xar_len(x)) #define HDE_EXT_LBN(x) BOTH_INT(HDE_ext_lbn(x)) #define HDE_EXT_SIZE(x) BOTH_INT(HDE_ext_size(x)) #define HDE_CDATE(x) HDE_cdate(x) #define HDE_FLAGS(x) *(HDE_flags(x)) #define HDE_RESERVED(x) *(HDE_reserved(x)) #define HDE_INTRLV_SIZE(x) *(HDE_intrlv_size(x)) #define HDE_INTRLV_SKIP(x) *(HDE_intrlv_skip(x)) #define HDE_VOL_SET(x) BOTH_SHORT(HDE_vol_set(x)) #define HDE_NAME_LEN(x) *(HDE_name_len(x)) #define HDE_NAME(x) HDE_name(x) /* **UNIX EXTENSION**** */ #define HDE_MODE(x) *(HDE_mode(x)) #define HDE_UID(x) *(HDE_uid(x)) #define HDE_GID(x) *(HDE_gid(x)) /* mask bits for HDE_FLAGS */ #define HDE_EXISTENCE 0x01 /* zero if file exists */ #define HDE_DIRECTORY 0x02 /* zero if file is not a directory */ #define HDE_ASSOCIATED 0x04 /* zero if file is not Associated */ #define HDE_RECORD 0x08 /* zero if no record attributes */ #define HDE_PROTECTION 0x10 /* zero if no protection attributes */ #define HDE_UNUSED_FLAGS 0x60 #define HDE_LAST_EXTENT 0x80 /* zero if last extent in file */ #define HDE_PROHIBITED (HDE_DIRECTORY | HDE_RECORD | \ HDE_LAST_EXTENT | HDE_UNUSED_FLAGS) /* Directory Record date fields */ #define HDE_DATE_YEAR(x) (((uchar_t *)x)[0] + 1900) #define HDE_DATE_MONTH(x) (((uchar_t *)x)[1]) #define HDE_DATE_DAY(x) (((uchar_t *)x)[2]) #define HDE_DATE_HOUR(x) (((uchar_t *)x)[3]) #define HDE_DATE_MIN(x) (((uchar_t *)x)[4]) #define HDE_DATE_SEC(x) (((uchar_t *)x)[5]) #define HDE_DATE_GMTOFF(x) (((char *)x)[6]) /* tests for Interchange Levels 1 & 2 file types */ #define HDE_REGULAR_FILE(x) (((x) & HDE_PROHIBITED) == 0) #define HDE_REGULAR_DIR(x) (((x) & HDE_PROHIBITED) == HDE_DIRECTORY) #define HS_DIR_NAMELEN 31 /* max length of a directory name */ #define HS_FILE_NAMELEN 31 /* max length of a filename */ #ifdef __cplusplus } #endif #endif /* _SYS_FS_HSFS_SPEC_H */