Initial import

1 files changed, 165 insertions, 0 deletions

diff --git a/include/uapi/linux/iso_fs.h b/include/uapi/linux/iso_fs.h
new file mode 100644
index 000000000..4688ac428
--- /dev/null
+++ b/include/uapi/linux/iso_fs.h
@@ -0,0 +1,165 @@
+#ifndef _ISOFS_FS_H
+#define _ISOFS_FS_H
+
+#include <linux/types.h>
+#include <linux/magic.h>
+
+/*
+ * The isofs filesystem constants/structures
+ */
+
+/* This part borrowed from the bsd386 isofs */
+#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 data[ISODCL(8,2048)];
+};
+
+/* volume descriptor types */
+#define ISO_VD_PRIMARY 1
+#define ISO_VD_SUPPLEMENTARY 2
+#define ISO_VD_END 255
+
+#define ISO_STANDARD_ID "CD001"
+
+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)];
+};
+
+/* Almost the same as the primary descriptor but two fields are specified */
+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)]; /* 853 */
+	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)]; /* 856 */
+	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 HS_STANDARD_ID "CDROM"
+
+struct  hs_volume_descriptor {
+	char foo			[ISODCL (  1,   8)]; /* 733 */
+	char type			[ISODCL (  9,   9)]; /* 711 */
+	char id				[ISODCL ( 10,  14)];
+	char version			[ISODCL ( 15,  15)]; /* 711 */
+	char data[ISODCL(16,2048)];
+};
+
+
+struct hs_primary_descriptor {
+	char foo			[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)]; /* 711 */
+	char system_id			[ISODCL ( 17,  48)]; /* achars */
+	char volume_id			[ISODCL ( 49,  80)]; /* dchars */
+	char unused2			[ISODCL ( 81,  88)]; /* 733 */
+	char volume_space_size		[ISODCL ( 89,  96)]; /* 733 */
+	char unused3			[ISODCL ( 97, 128)]; /* 733 */
+	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 unused4			[ISODCL (153, 180)]; /* 733 */
+	char root_directory_record	[ISODCL (181, 214)]; /* 9.1 */
+};
+
+/* We use this to help us look up the parent inode numbers. */
+
+struct iso_path_table{
+	unsigned char  name_len[2];	/* 721 */
+	char extent[4];		/* 731 */
+	char  parent[2];	/* 721 */
+	char name[0];
+} __attribute__((packed));
+
+/* high sierra is identical to iso, except that the date is only 6 bytes, and
+   there is an extra reserved byte after the flags */
+
+struct iso_directory_record {
+	char length			[ISODCL (1, 1)]; /* 711 */
+	char ext_attr_length		[ISODCL (2, 2)]; /* 711 */
+	char extent			[ISODCL (3, 10)]; /* 733 */
+	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 */
+	unsigned char name_len		[ISODCL (33, 33)]; /* 711 */
+	char name			[0];
+} __attribute__((packed));
+
+#define ISOFS_BLOCK_BITS 11
+#define ISOFS_BLOCK_SIZE 2048
+
+#define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
+#define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
+
+#endif /* _ISOFS_FS_H */