Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) #ifndef __LINUX_UDF_SB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) #define __LINUX_UDF_SB_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/magic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #define UDF_MAX_READ_VERSION		0x0250
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #define UDF_MAX_WRITE_VERSION		0x0201
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #define UDF_FLAG_USE_EXTENDED_FE	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #define UDF_VERS_USE_EXTENDED_FE	0x0200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #define UDF_FLAG_USE_STREAMS		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define UDF_VERS_USE_STREAMS		0x0200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #define UDF_FLAG_USE_SHORT_AD		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #define UDF_FLAG_USE_AD_IN_ICB		3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define UDF_FLAG_USE_FILE_CTIME_EA	4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define UDF_FLAG_STRICT			5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define UDF_FLAG_UNDELETE		6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define UDF_FLAG_UNHIDE			7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define UDF_FLAG_VARCONV		8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define UDF_FLAG_UID_FORGET     11    /* save -1 for uid to disk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define UDF_FLAG_GID_FORGET     12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define UDF_FLAG_UID_SET	13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define UDF_FLAG_GID_SET	14
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define UDF_FLAG_SESSION_SET	15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define UDF_FLAG_LASTBLOCK_SET	16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define UDF_FLAG_BLOCKSIZE_SET	17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define UDF_FLAG_INCONSISTENT	18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define UDF_FLAG_RW_INCOMPAT	19	/* Set when we find RW incompatible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 					 * feature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define UDF_PART_FLAG_UNALLOC_BITMAP	0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define UDF_PART_FLAG_UNALLOC_TABLE	0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define UDF_PART_FLAG_READ_ONLY		0x0010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define UDF_PART_FLAG_WRITE_ONCE	0x0020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define UDF_PART_FLAG_REWRITABLE	0x0040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define UDF_PART_FLAG_OVERWRITABLE	0x0080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define UDF_MAX_BLOCK_LOADED	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define UDF_TYPE1_MAP15			0x1511U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define UDF_VIRTUAL_MAP15		0x1512U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define UDF_VIRTUAL_MAP20		0x2012U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define UDF_SPARABLE_MAP15		0x1522U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define UDF_METADATA_MAP25		0x2511U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define UDF_INVALID_MODE		((umode_t)-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define MF_DUPLICATE_MD		0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define MF_MIRROR_FE_LOADED	0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) struct udf_meta_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	__u32	s_meta_file_loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	__u32	s_mirror_file_loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	__u32	s_bitmap_file_loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	__u32	s_alloc_unit_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	__u16	s_align_unit_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	 * Partition Reference Number of the associated physical / sparable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	 * partition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	__u16   s_phys_partition_ref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	int	s_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	struct inode *s_metadata_fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	struct inode *s_mirror_fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	struct inode *s_bitmap_fe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) struct udf_sparing_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	__u16	s_packet_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct buffer_head *s_spar_map[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) struct udf_virtual_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	__u32	s_num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	__u16	s_start_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) struct udf_bitmap {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	__u32			s_extPosition;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	int			s_nr_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	struct buffer_head	*s_block_bitmap[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) struct udf_part_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		struct udf_bitmap	*s_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		struct inode		*s_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	} s_uspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	__u32	s_partition_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	__u32	s_partition_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	__u16	s_partition_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	__u16	s_partition_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		struct udf_sparing_data s_sparing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		struct udf_virtual_data s_virtual;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		struct udf_meta_data s_metadata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	} s_type_specific;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	__u32	(*s_partition_func)(struct super_block *, __u32, __u16, __u32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	__u16	s_volumeseqnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	__u16	s_partition_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #pragma pack()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct udf_sb_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	struct udf_part_map	*s_partmaps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	__u8			s_volume_ident[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	/* Overall info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	__u16			s_partitions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	__u16			s_partition;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	/* Sector headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	__s32			s_session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	__u32			s_anchor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	__u32			s_last_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	struct buffer_head	*s_lvid_bh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	/* Default permissions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	umode_t			s_umask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	kgid_t			s_gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	kuid_t			s_uid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	umode_t			s_fmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	umode_t			s_dmode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	/* Lock protecting consistency of above permission settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	rwlock_t		s_cred_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	/* Root Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	struct timespec64	s_record_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	/* Fileset Info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	__u16			s_serial_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	/* highest UDF revision we have recorded to this media */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	__u16			s_udfrev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	/* Miscellaneous flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	unsigned long		s_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	/* Encoding info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	struct nls_table	*s_nls_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	/* VAT inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct inode		*s_vat_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	struct mutex		s_alloc_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	/* Protected by s_alloc_mutex */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	unsigned int		s_lvid_dirty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	return sb->s_fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int udf_compute_nr_groups(struct super_block *sb, u32 partition);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static inline int UDF_QUERY_FLAG(struct super_block *sb, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	return test_bit(flag, &UDF_SB(sb)->s_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) static inline void UDF_SET_FLAG(struct super_block *sb, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	set_bit(flag, &UDF_SB(sb)->s_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) static inline void UDF_CLEAR_FLAG(struct super_block *sb, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	clear_bit(flag, &UDF_SB(sb)->s_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #endif /* __LINUX_UDF_SB_H */