Vhex is a kernel which provide development and retro ingenierie platform for the Casio's OS
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#ifndef __KERNEL_FS_GLADFS_H__
# define __KERNEL_FS_GLADFS_H__
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>
# define GLADFS_INODE_NAME_LENGHT (16)
//#define GLADFS_INODE_READ (0x00)
//#define GLADFS_INODE_WRITE (0x01)
//#define GLADFS_INODE_EXEC (0x02)
#define GLADFS_INODE_TYPE_FILE (0x01)
#define GLADFS_INODE_TYPE_PARENT (0x02)
#define GLADFS_INODE_TYPE_ROOT (0x04)
struct gladfs_fragment_data_s
{
uint32_t next;
uint32_t data_size;
uint32_t data_used;
uint32_t data_entry;
};
struct gladfs_inode_s
{
// Internal file informations
char name[GLADFS_INODE_NAME_LENGHT];
mode_t mode;
// File organisations
struct gladfs_inode_s *parent;
struct gladfs_inode_s *children;
struct gladfs_inode_s *next;
// Size / Data informations
size_t size;
uint32_t fragnumber;
struct gladfs_fragment_data_s *fragdata;
};
struct gladfs_superblock_s
{
struct gladfs_inode_s *root_inode;
uint32_t block_size;
struct {
struct gladfs_inode_s *(*alloc_inode)(const char *name, mode_t mode);
int (*destroy_inode)(struct gladfs_inode_s *inode);
int (*alloc_fragdata)(struct gladfs_fragment_data_s **parent, int nb_block);
int (*destroy_fragdata)(struct gladfs_fragment_data_s *parent);
} super_op;
};
// Constructor
extern void gladfs_initialize(void);
// FS openrations
extern void *gladfs_mount(void);
extern int gladfs_umount(void);
// SuperBlock openrations
extern int gladfs_destroy_inode(struct gladfs_inode_s *inode);
extern struct gladfs_inode_s *gladfs_alloc_inode(const char *name, mode_t mode);
extern int gladfs_alloc_fragdata(struct gladfs_fragment_data_s **parent, int nb_block);
extern int gladfs_destroy_fragdata(struct gladfs_fragment_data_s *fragment);
// Inode operations
extern void *gladfs_mkdir(void *inode_parent, const char *name, mode_t mode);
extern void *gladfs_creat(void *inode_parent, const char *name, mode_t mode);
extern void *gladfs_find_next_sibling(void *inode);
extern void *gladfs_find_first_child(void *inode);
extern void *gladfs_find_parent(void *inode);
extern int gladfs_get_name(void *inode, char *name, size_t count);
extern mode_t gladfs_get_mode(void *inode);
// File operations
extern ssize_t gladfs_write(void *inode, const void *buf, size_t count, off_t pos);
extern ssize_t gladfs_read(void *inode, void *buf, size_t count, off_t pos);
#endif /*__KERNEL_FS_GLADFS_H__*/