64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* This file contains the definitions of ISO9660 volume descriptors. */
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#include "inode.h"
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#define VD_BOOT_RECORD 0
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#define VD_PRIMARY 1
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#define VD_SUPPL 2
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#define VD_PART 3
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#define VD_SET_TERM 255
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#define MAX_ATTEMPTS 20 /* # attempts to read the volume descriptors.
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* After it gives up */
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/* Structure for the primary volume descriptor. */
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struct iso9660_vol_pri_desc {
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/*
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* On-disk structure format of the primary volume descriptor,
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* 2048 bytes long. See ISO specs for details.
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*/
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u8_t vd_type;
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char standard_id[ISO9660_SIZE_STANDARD_ID];
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u8_t vd_version;
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u8_t pad1;
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char system_id[ISO9660_SIZE_SYS_ID];
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char volume_id[ISO9660_SIZE_VOLUME_ID];
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u8_t pad2[8];
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u32_t volume_space_size_l;
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u32_t volume_space_size_m;
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u8_t pad3[32];
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u16_t volume_set_size_l;
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u16_t volume_set_size_m;
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u16_t volume_sequence_number_l;
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u16_t volume_sequence_number_m;
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u16_t logical_block_size_l;
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u16_t logical_block_size_m;
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u32_t path_table_size_l;
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u32_t path_table_size_m;
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u32_t loc_l_occ_path_table;
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u32_t loc_opt_l_occ_path_table;
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u32_t loc_m_occ_path_table;
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u32_t loc_opt_m_occ_path_table;
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u8_t root_directory[34];
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char volume_set_id[ISO9660_SIZE_VOLUME_SET_ID];
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char publisher_id[ISO9660_SIZE_PUBLISHER_ID];
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char data_preparer_id[ISO9660_SIZE_DATA_PREP_ID];
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char application_id[ISO9660_SIZE_APPL_ID];
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char copyright_file_id[ISO9660_SIZE_COPYRIGHT_FILE_ID];
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char abstract_file_id[ISO9660_SIZE_ABSTRACT_FILE_ID];
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char bibl_file_id[ISO9660_SIZE_BIBL_FILE_ID];
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char volume_cre_date[ISO9660_SIZE_DATE17];
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char volume_mod_date[ISO9660_SIZE_DATE17];
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char volume_exp_date[ISO9660_SIZE_DATE17];
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char volume_eff_date[ISO9660_SIZE_DATE17];
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u8_t file_struct_ver;
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u8_t reserved1;
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u8_t application_use[512];
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u8_t reserved2[652];
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/* End of the on-disk structure format. */
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struct inode *inode_root;
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int i_count;
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} __attribute__((packed)) v_pri;
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