lunaix-os/includes/lunaix/fs/twifs.h

   1 #ifndef __LUNAIX_TWIFS_H
   2 #define __LUNAIX_TWIFS_H
   3
   4 #include <lunaix/fs.h>
   5 #include <lunaix/fs/twimap.h>
   6 #include <lunaix/spike.h>
   7
   8 struct twifs_node
   9 {
  10     struct hstr name;
  11     inode_t ino_id;
  12     void* data;
  13     u32_t itype;
  14     char name_val[VFS_NAME_MAXLEN];
  15     struct llist_header children;
  16     struct llist_header siblings;
  17     struct
  18     {
  19         int (*write)(struct v_inode* inode,
  20                      void* buffer,
  21                      size_t len,
  22                      size_t fpos);
  23         int (*read)(struct v_inode* inode,
  24                     void* buffer,
  25                     size_t len,
  26                     size_t fpos);
  27     } ops;
  28 };
  29
  30 #define twinode_getdata(inode, type)                                           \
  31     ({                                                                         \
  32         struct twifs_node* twinode = (struct twifs_node*)(inode)->data;        \
  33         assert(twinode);                                                       \
  34         (type) twinode->data;                                                  \
  35     })
  36
  37 void
  38 twifs_init();
  39
  40 struct twifs_node*
  41 twifs_file_node_vargs(struct twifs_node* parent, const char* fmt, va_list args);
  42
  43 struct twifs_node*
  44 twifs_file_node(struct twifs_node* parent, const char* fmt, ...);
  45
  46 struct twifs_node*
  47 twifs_dir_node(struct twifs_node* parent, const char* fmt, ...);
  48
  49 int
  50 twifs_rm_node(struct twifs_node* node);
  51
  52 struct twimap*
  53 twifs_mapping(struct twifs_node* parent, void* data, const char* fmt, ...);
  54
  55 #endif /* __LUNAIX_TWIFS_H */