fs/udf/udfdecl.h

   1 #ifndef __UDF_DECL_H
   2 #define __UDF_DECL_H
   3
   4 #define UDF_VERSION_NOTICE "v0.8.9.3"
   5
   6 #ifdef __KERNEL__
   7
   8 #include <linux/types.h>
   9 #include <linux/udf_udf.h>
  10 #include <linux/udf_fs.h>
  11 #include <linux/config.h>
  12
  13 #ifndef LINUX_VERSION_CODE
  14 #include <linux/version.h>
  15 #endif
  16
  17 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,7)
  18 #error "The UDF Module Current Requires Kernel Version 2.3.7 or greater"
  19 #endif
  20
  21 /* if we're not defined, we must be compiling outside of the kernel tree */
  22 #if !defined(CONFIG_UDF_FS) && !defined(CONFIG_UDF_FS_MODULE)
  23 /* ... so override config */
  24 #define CONFIG_UDF_FS_MODULE
  25 #include <linux/fs.h>
  26 /* explicitly include udf_fs_sb.h and udf_fs_i.h */
  27 #include <linux/udf_fs_sb.h>
  28 #include <linux/udf_fs_i.h>
  29 #else
  30 #include <linux/fs.h> /* also gets udf_fs_i.h and udf_fs_sb.h */
  31 #endif
  32
  33 struct dentry;
  34 struct inode;
  35 struct task_struct;
  36 struct buffer_head;
  37 struct super_block;
  38
  39 extern struct inode_operations udf_dir_inode_operations;
  40 extern struct inode_operations udf_file_inode_operations;
  41 extern struct inode_operations udf_file_inode_operations_adinicb;
  42 extern struct inode_operations udf_symlink_inode_operations;
  43
  44 struct udf_fileident_bh
  45 {
  46         struct buffer_head *sbh;
  47         struct buffer_head *ebh;
  48         int soffset;
  49         int eoffset;
  50 };
  51
  52 extern void udf_error(struct super_block *, const char *, const char *, ...);
  53 extern void udf_warning(struct super_block *, const char *, const char *, ...);
  54 extern int udf_write_fi(struct FileIdentDesc *, struct FileIdentDesc *, struct udf_fileident_bh *, Uint8 *, Uint8 *);
  55 extern struct dentry * udf_lookup(struct inode *, struct dentry *);
  56 extern int udf_create(struct inode *, struct dentry *, int);
  57 extern int udf_mknod(struct inode *, struct dentry *, int, int);
  58 extern int udf_mkdir(struct inode *, struct dentry *, int);
  59 extern int udf_rmdir(struct inode *, struct dentry *);
  60 extern int udf_unlink(struct inode *, struct dentry *);
  61 extern int udf_symlink(struct inode *, struct dentry *, const char *);
  62 extern int udf_link(struct dentry *, struct inode *, struct dentry *);
  63 extern int udf_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
  64 extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
  65 extern struct inode *udf_iget(struct super_block *, lb_addr);
  66 extern int udf_sync_inode(struct inode *);
  67 extern struct buffer_head * udf_expand_adinicb(struct inode *, int *, int, int *);
  68 extern struct buffer_head * udf_getblk(struct inode *, long, int, int *);
  69 extern int udf_get_block(struct inode *, long, struct buffer_head *, int);
  70 extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
  71 extern void udf_read_inode(struct inode *);
  72 extern void udf_put_inode(struct inode *);
  73 extern void udf_delete_inode(struct inode *);
  74 extern void udf_write_inode(struct inode *);
  75 extern long udf_locked_block_map(struct inode *, long);
  76 extern long udf_block_map(struct inode *, long);
  77 extern int inode_bmap(struct inode *, int, lb_addr *, Uint32 *, lb_addr *, Uint32 *, Uint32 *, struct buffer_head **);
  78 extern int udf_add_aext(struct inode *, lb_addr *, int *, lb_addr, Uint32, struct buffer_head **, int);
  79 extern int udf_write_aext(struct inode *, lb_addr, int *, lb_addr, Uint32, struct buffer_head **, int);
  80 extern int udf_insert_aext(struct inode *, lb_addr, int, lb_addr, Uint32, struct buffer_head *);
  81 extern int udf_delete_aext(struct inode *, lb_addr, int, lb_addr, Uint32, struct buffer_head *);
  82 extern int udf_next_aext(struct inode *, lb_addr *, int *, lb_addr *, Uint32 *, struct buffer_head **, int);
  83 extern int udf_current_aext(struct inode *, lb_addr *, int *, lb_addr *, Uint32 *, struct buffer_head **, int);
  84
  85 extern int udf_read_tagged_data(char *, int size, int fd, int block, int partref);
  86
  87 extern struct buffer_head *udf_tread(struct super_block *, int, int);
  88 extern struct GenericAttrFormat *udf_add_extendedattr(struct inode *, Uint32, Uint32, Uint8, struct buffer_head **);
  89 extern struct GenericAttrFormat *udf_get_extendedattr(struct inode *, Uint32, Uint8, struct buffer_head **);
  90 extern struct buffer_head *udf_read_tagged(struct super_block *, Uint32, Uint32, Uint16 *);
  91 extern struct buffer_head *udf_read_ptagged(struct super_block *, lb_addr, Uint32, Uint16 *);
  92 extern struct buffer_head *udf_read_untagged(struct super_block *, Uint32, Uint32);
  93 extern void udf_release_data(struct buffer_head *);
  94
  95 extern unsigned int udf_get_last_session(kdev_t);
  96 extern unsigned int udf_get_last_block(kdev_t, int *);
  97
  98 extern Uint32 udf_get_pblock(struct super_block *, Uint32, Uint16, Uint32);
  99 extern Uint32 udf_get_lb_pblock(struct super_block *, lb_addr, Uint32);
 100
 101 extern int udf_get_filename(Uint8 *, Uint8 *, int);
 102
 103 extern void udf_free_inode(struct inode *);
 104 extern struct inode * udf_new_inode (const struct inode *, int, int *);
 105 extern void udf_discard_prealloc(struct inode *);
 106 extern void udf_truncate(struct inode *);
 107 extern void udf_truncate_adinicb(struct inode *);
 108 extern void udf_free_blocks(const struct inode *, lb_addr, Uint32, Uint32);
 109 extern int udf_alloc_blocks(const struct inode *, Uint16, Uint32, Uint32);
 110 extern int udf_new_block(const struct inode *, Uint16, Uint32, int *);
 111 extern int udf_sync_file(struct file *, struct dentry *);
 112
 113 #else
 114
 115 #include <sys/types.h>
 116 #include <linux/udf_udf.h>
 117
 118 #endif /* __KERNEL__ */
 119
 120 #include "udfend.h"
 121
 122 /* structures */
 123 struct udf_directory_record
 124 {
 125         Uint32  d_parent;
 126         Uint32  d_inode;
 127         Uint32  d_name[255];
 128 };
 129
 130 #define VDS_POS_PRIMARY_VOL_DESC        0
 131 #define VDS_POS_UNALLOC_SPACE_DESC      1
 132 #define VDS_POS_LOGICAL_VOL_DESC        2
 133 #define VDS_POS_PARTITION_DESC          3
 134 #define VDS_POS_IMP_USE_VOL_DESC        4
 135 #define VDS_POS_VOL_DESC_PTR            5
 136 #define VDS_POS_TERMINATING_DESC        6
 137 #define VDS_POS_LENGTH                          7
 138
 139 struct udf_vds_record
 140 {
 141         Uint32 block;
 142         Uint32 volDescSeqNum;
 143 };
 144
 145 struct ktm
 146 {
 147         int tm_sec;
 148         int tm_min;
 149         int tm_hour;
 150         int tm_mday;
 151         int tm_mon;
 152         int tm_year;
 153         int tm_isdst;
 154 };
 155
 156 struct ustr
 157 {
 158         Uint8 u_cmpID;
 159         Uint8 u_name[UDF_NAME_LEN-1];
 160         Uint8 u_len;
 161         Uint8 padding;
 162         unsigned long u_hash;
 163 };
 164
 165
 166 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
 167 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
 168
 169 #ifdef __KERNEL__
 170
 171 #define CURRENT_UTIME   (xtime.tv_usec)
 172
 173 #define udf_file_entry_alloc_offset(inode)\
 174         ((UDF_I_EXTENDED_FE(inode) ?\
 175                 sizeof(struct ExtendedFileEntry) :\
 176                 sizeof(struct FileEntry)) + UDF_I_LENEATTR(inode))
 177
 178 #define udf_clear_bit(nr,addr) ext2_clear_bit(nr,addr)
 179 #define udf_set_bit(nr,addr) ext2_set_bit(nr,addr)
 180 #define udf_test_bit(nr, addr) ext2_test_bit(nr, addr)
 181 #define udf_find_first_one_bit(addr, size) find_first_one_bit(addr, size)
 182 #define udf_find_next_one_bit(addr, size, offset) find_next_one_bit(addr, size, offset)
 183
 184 #define leBPL_to_cpup(x) leNUM_to_cpup(BITS_PER_LONG, x)
 185 #define leNUM_to_cpup(x,y) xleNUM_to_cpup(x,y)
 186 #define xleNUM_to_cpup(x,y) (le ## x ## _to_cpup(y))
 187
 188 extern inline int find_next_one_bit (void * addr, int size, int offset)
 189 {
 190         unsigned long * p = ((unsigned long *) addr) + (offset / BITS_PER_LONG);
 191         unsigned long result = offset & ~(BITS_PER_LONG-1);
 192         unsigned long tmp;
 193
 194         if (offset >= size)
 195                 return size;
 196         size -= result;
 197         offset &= (BITS_PER_LONG-1);
 198         if (offset)
 199         {
 200                 tmp = leBPL_to_cpup(p++);
 201                 tmp &= ~0UL << offset;
 202                 if (size < BITS_PER_LONG)
 203                         goto found_first;
 204                 if (tmp)
 205                         goto found_middle;
 206                 size -= BITS_PER_LONG;
 207                 result += BITS_PER_LONG;
 208         }
 209         while (size & ~(BITS_PER_LONG-1))
 210         {
 211                 if ((tmp = leBPL_to_cpup(p++)))
 212                         goto found_middle;
 213                 result += BITS_PER_LONG;
 214                 size -= BITS_PER_LONG;
 215         }
 216         if (!size)
 217                 return result;
 218         tmp = leBPL_to_cpup(p);
 219 found_first:
 220         tmp &= ~0UL >> (BITS_PER_LONG-size);
 221 found_middle:
 222         return result + ffz(~tmp);
 223 }
 224
 225 #define find_first_one_bit(addr, size)\
 226         find_next_one_bit((addr), (size), 0)
 227
 228 #endif
 229
 230 /* Miscellaneous UDF Prototypes */
 231
 232 extern int udf_ustr_to_dchars(Uint8 *, const struct ustr *, int);
 233 extern int udf_ustr_to_char(Uint8 *, const struct ustr *, int);
 234 extern int udf_ustr_to_dstring(dstring *, const struct ustr *, int);
 235 extern int udf_dchars_to_ustr(struct ustr *, const Uint8 *, int);
 236 extern int udf_char_to_ustr(struct ustr *, const Uint8 *, int);
 237 extern int udf_dstring_to_ustr(struct ustr *, const dstring *, int);
 238
 239 extern Uint16 udf_crc(Uint8 *, Uint32, Uint16);
 240 extern int udf_translate_to_linux(Uint8 *, Uint8 *, int, Uint8 *, int);
 241 extern int udf_build_ustr(struct ustr *, dstring *, int);
 242 extern int udf_build_ustr_exact(struct ustr *, dstring *, int);
 243 extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
 244 extern int udf_UTF8toCS0(dstring *, struct ustr *, int);
 245
 246 extern uid_t  udf_convert_uid(int);
 247 extern gid_t  udf_convert_gid(int);
 248 extern Uint32 udf64_low32(Uint64);
 249 extern Uint32 udf64_high32(Uint64);
 250
 251
 252 extern time_t *udf_stamp_to_time(time_t *, long *, timestamp);
 253 extern timestamp *udf_time_to_stamp(timestamp *, time_t, long);
 254 extern time_t udf_converttime (struct ktm *);
 255
 256 #ifdef __KERNEL__
 257 extern Uint8 *
 258 udf_filead_read(struct inode *, Uint8 *, Uint8, lb_addr, int *, int *,
 259         struct buffer_head **, int *);
 260
 261 extern struct FileIdentDesc *
 262 udf_fileident_read(struct inode *, int *,
 263         struct udf_fileident_bh *,
 264         struct FileIdentDesc *,
 265         lb_addr *, Uint32 *,
 266         Uint32 *, struct buffer_head **);
 267 #endif
 268 extern struct FileIdentDesc *
 269 udf_get_fileident(void * buffer, int bufsize, int * offset);
 270 extern extent_ad * udf_get_fileextent(void * buffer, int bufsize, int * offset);
 271 extern long_ad * udf_get_filelongad(void * buffer, int bufsize, int * offset, int);
 272 extern short_ad * udf_get_fileshortad(void * buffer, int bufsize, int * offset, int);
 273 extern Uint8 * udf_get_filead(struct FileEntry *, Uint8 *, int, int, int, int *);
 274
 275 extern void udf_update_tag(char *, int);
 276 extern void udf_new_tag(char *, Uint16, Uint16, Uint16, Uint32, int);
 277
 278 #endif