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#ifndef MELVIX_MARFS_H
#define MELVIX_MARFS_H
#include <stdint.h>
struct marfs_superblock {
uint64_t signature;
uint32_t n_inodes;
uint32_t n_chunks;
uint32_t n_first_unallocated_inode;
uint32_t s_first_inode;
uint32_t s_first_chunk;
} __attribute__((packed));
struct marfs_inode {
uint64_t size;
uint32_t creation_time;
uint32_t last_mod_time;
uint32_t last_access_time;
uint32_t n_blocks;
uint32_t DBPs[10];
uint32_t ext_1;
uint32_t ext_2;
uint32_t ext_3;
uint32_t ext_4;
uint32_t uid;
uint8_t is_app;
uint8_t is_dir;
uint8_t is_used;
} __attribute__((packed));
struct ata_interface *interface;
struct marfs_superblock sb_cache;
uint32_t max_lba;
// marfs_sectorlevel.c
uint8_t marfs_init(struct ata_interface *interface);
uint32_t marfs_get_max_lba(void);
uint8_t marfs_write_mbr(uint8_t *mbr);
struct marfs_superblock *marfs_read_superblock();
uint8_t marfs_write_superblock(struct marfs_superblock *sb);
uint32_t marfs_get_free_lba_block(void);
uint8_t marfs_mark_block_as_used(uint32_t lba_sector);
uint8_t marfs_mark_block_as_free(uint32_t lba_sector);
uint32_t marfs_get_free_lba_inode(void);
void marfs_mark_inode_as_free(uint32_t lba_sector);
// marfs_disklevel.c
void marfs_format(void);
// marfs_new_file.c
uint32_t marfs_new_file(uint64_t size, uint8_t *data, uint32_t uid, uint8_t exec, uint8_t dir);
// marfs_dir.c
uint32_t marfs_new_dir(uint32_t uid);
void marfs_add_to_dir(uint32_t lba_inode, char *filename, uint32_t lba);
// marfs_read_whole_file.c
uint32_t marfs_get_block(struct marfs_inode *inode, uint32_t i);
void marfs_read_whole_file(uint32_t lba_inode, uint8_t *buffer);
uint8_t *marfs_allocate_and_read_whole_file(uint32_t lba_inode);
#endif
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