diff options
Diffstat (limited to 'include/fat.h')
| -rw-r--r-- | include/fat.h | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/include/fat.h b/include/fat.h index c8b9493..afb2116 100644 --- a/include/fat.h +++ b/include/fat.h @@ -30,10 +30,14 @@ #include <asm/byteorder.h> #define CONFIG_SUPPORT_VFAT +/* Maximum Long File Name length supported here is 128 UTF-16 code units */ +#define VFAT_MAXLEN_BYTES 256 /* Maximum LFN buffer in bytes */ +#define VFAT_MAXSEQ 9 /* Up to 9 of 13 2-byte UTF-16 entries */ +#define LINEAR_PREFETCH_SIZE (SECTOR_SIZE*2) /* Prefetch buffer size */ #define SECTOR_SIZE FS_BLOCK_SIZE -#define FS_BLOCK_SIZE 512 +#define FS_BLOCK_SIZE 512 #if FS_BLOCK_SIZE != SECTOR_SIZE #error FS_BLOCK_SIZE != SECTOR_SIZE - This code needs to be fixed! @@ -57,37 +61,31 @@ #define SIGNLEN 8 /* File attributes */ -#define ATTR_RO 1 -#define ATTR_HIDDEN 2 -#define ATTR_SYS 4 -#define ATTR_VOLUME 8 -#define ATTR_DIR 16 -#define ATTR_ARCH 32 +#define ATTR_RO 1 +#define ATTR_HIDDEN 2 +#define ATTR_SYS 4 +#define ATTR_VOLUME 8 +#define ATTR_DIR 16 +#define ATTR_ARCH 32 -#define ATTR_VFAT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) +#define ATTR_VFAT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) #define DELETED_FLAG ((char)0xe5) /* Marks deleted files when in name[0] */ #define aRING 0x05 /* Used as special character in name[0] */ -/* Indicates that the entry is the last long entry in a set of long +/* + * Indicates that the entry is the last long entry in a set of long * dir entries */ #define LAST_LONG_ENTRY_MASK 0x40 /* Flags telling whether we should read a file or list a directory */ -#define LS_NO 0 -#define LS_YES 1 -#define LS_DIR 1 -#define LS_ROOT 2 +#define LS_NO 0 +#define LS_YES 1 +#define LS_DIR 1 +#define LS_ROOT 2 -#ifdef DEBUG -#define FAT_DPRINT(args...) printf(args) -#else -#define FAT_DPRINT(args...) -#endif -#define FAT_ERROR(arg) printf(arg) - -#define ISDIRDELIM(c) ((c) == '/' || (c) == '\\') +#define ISDIRDELIM(c) ((c) == '/' || (c) == '\\') #define FSTYPE_NONE (-1) @@ -166,17 +164,18 @@ typedef struct dir_entry { } dir_entry; typedef struct dir_slot { - __u8 id; /* Sequence number for slot */ - __u8 name0_4[10]; /* First 5 characters in name */ - __u8 attr; /* Attribute byte */ - __u8 reserved; /* Unused */ - __u8 alias_checksum;/* Checksum for 8.3 alias */ - __u8 name5_10[12]; /* 6 more characters in name */ - __u16 start; /* Unused */ - __u8 name11_12[4]; /* Last 2 characters in name */ + __u8 id; /* Sequence number for slot */ + __u8 name0_4[10]; /* First 5 characters in name */ + __u8 attr; /* Attribute byte */ + __u8 reserved; /* Unused */ + __u8 alias_checksum;/* Checksum for 8.3 alias */ + __u8 name5_10[12]; /* 6 more characters in name */ + __u16 start; /* Unused */ + __u8 name11_12[4]; /* Last 2 characters in name */ } dir_slot; -/* Private filesystem parameters +/* + * Private filesystem parameters * * Note: FAT buffer has to be 32 bit aligned * (see FAT32 accesses) @@ -198,10 +197,10 @@ typedef long (file_read_func)(const char *filename, void *buffer, unsigned long maxsize); struct filesystem { - file_detectfs_func *detect; - file_ls_func *ls; - file_read_func *read; - const char name[12]; + file_detectfs_func *detect; + file_ls_func *ls; + file_read_func *read; + const char name[12]; }; /* FAT tables */ |