diff --git a/kernel/iso9660.h b/kernel/iso9660.h
new file mode 100644
index 0000000..75839f8
--- /dev/null
+++ b/kernel/iso9660.h
@@ -0,0 +1,94 @@
+/*
+Copyright (C) 2016-2019 The University of Notre Dame
+This software is distributed under the GNU General Public License.
+See the file LICENSE for details.
+*/
+
+#ifndef ISO9660_H
+#define ISO9660_H
+
+#include "kernel/types.h"
+
+#pragma pack(1)
+
+struct iso_9660_directory_entry {
+	uint8_t descriptor_length;
+	uint8_t extended_sectors;
+	uint32_t first_sector_little;
+	uint32_t first_sector_big;
+	uint32_t length_little;
+	uint32_t length_big;
+	uint8_t year;
+	uint8_t month;
+	uint8_t mday;
+	uint8_t hour;
+	uint8_t minute;
+	uint8_t second;
+	uint8_t timezone;
+	uint8_t flags;
+	uint8_t unit_size;
+	uint8_t interleave_gap;
+	uint16_t volume_sequence_little;
+	uint16_t volume_sequence_big;
+	uint8_t ident_length;
+	char ident[1];
+};
+
+#define ISO_9660_EXTENT_FLAG_HIDDEN     1
+#define ISO_9660_EXTENT_FLAG_DIRECTORY  2
+
+struct iso_9660_time {
+	char year[4];
+	char month[2];
+	char mday[2];
+	char hour[2];
+	char minute[2];
+	char second[2];
+	char subsec[2];
+	char timezone;
+};
+
+#define ISO_9660_VOLUME_TYPE_BOOT 0
+#define ISO_9660_VOLUME_TYPE_PRIMARY 1
+#define ISO_9660_VOLUME_TYPE_SUPPLEMENTARY 2
+#define ISO_9660_VOLUME_TYPE_PARTITION 3
+#define ISO_9660_VOLUME_TYPE_TERMINATOR 255
+
+struct iso_9660_volume_descriptor {
+	uint8_t type;
+	char magic[5];
+	char other[2];
+	char system[32];
+	char volume[32];
+	char reserved1[8];
+	uint32_t nsectors_little;
+	uint32_t nsectors_big;
+	char reserved2[32];
+	uint16_t volume_set_size_little;
+	uint16_t volume_set_size_big;
+	uint16_t volume_sequence_number_little;
+	uint16_t volume_sequence_number_big;
+	uint16_t sector_size_little;
+	uint16_t sector_size_big;
+	uint32_t path_table_size_little;
+	uint32_t path_table_size_big;
+	uint32_t first_path_table_start_little;
+	uint32_t second_path_table_start_little;
+	uint32_t first_path_table_start_big;
+	uint32_t second_path_table_start_big;
+	struct iso_9660_directory_entry root;
+	char volume_set[128];
+	char publisher[128];
+	char preparer[128];
+	char application[128];
+	char copyright_file[37];
+	char abstract_file[37];
+	char bibliography_file[37];
+	struct iso_9660_time creation_time;
+	struct iso_9660_time modify_time;
+	struct iso_9660_time expire_time;
+	struct iso_9660_time effective_time;
+	char unknown[2];
+};
+
+#endif