filesystem.h

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#ifndef __VFS__FILESYSTEM_H__
#define __VFS__FILESYSTEM_H__
 
#include <type.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct vnode vnode_t;
typedef struct dentry* dentry_ptr;
typedef struct cdev* cdev_ptr_t;
 
typedef struct filesystem filesystem_t;
 
struct fs_instance;
typedef struct fs_operations {
    int (*lookup)(struct fs_instance* instance, char* path, dentry_ptr parent, dentry_ptr *out);
} fs_operations_t;
 
struct fs_magic {
    const uint8_t magic[32];
    uint32_t count;
};
 
struct fs_data {
    struct fs_magic magic;
    fs_operations_t* ops;
};
 
struct filesystem {
    char name[16];
    struct fs_data data;
    struct filesystem* next;
} __attribute__((aligned(64)));
typedef filesystem_t* filesystem_ptr_t;
 
struct fs_instance {
    dentry_ptr block_dentry;
    cdev_ptr_t cdev;
    filesystem_ptr_t fs;
};
 
int create_filesystem( char name[16], struct fs_data* fs_data);
filesystem_ptr_t retrieve_filesystem(const char name[16]);
filesystem_t* get_all_filesystem();
filesystem_t* get_filesystem(const char name[16]);
 
#ifdef __cplusplus
}
#endif
 
#endif // __VFS__FILESYSTEM_H__