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 */
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 */
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#ifndef FAT_FAT_H_
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#ifndef FAT_FAT_H_
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#define FAT_FAT_H_
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#define FAT_FAT_H_
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#include "fat_fat.h"
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <libfs.h>
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#include <libfs.h>
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#include <atomic.h>
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#include <atomic.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <bool.h>
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#include <bool.h>
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#include "../../vfs/vfs.h"
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#include "../../vfs/vfs.h"
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#ifndef dprintf
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#define dprintf(...)    printf(__VA_ARGS__)
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#define dprintf(...)    printf(__VA_ARGS__)
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#endif
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#define min(a, b)       ((a) < (b) ? (a) : (b))
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#define BS_BLOCK        0
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#define BS_SIZE         512
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typedef struct {
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typedef struct fat_bs {
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    uint8_t     ji[3];      /**< Jump instruction. */
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    uint8_t     ji[3];      /**< Jump instruction. */
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    uint8_t     oem_name[8];
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    uint8_t     oem_name[8];
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    /* BIOS Parameter Block */
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    /* BIOS Parameter Block */
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    uint16_t    bps;        /**< Bytes per sector. */
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    uint16_t    bps;        /**< Bytes per sector. */
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    uint8_t     spc;        /**< Sectors per cluster. */
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    uint8_t     spc;        /**< Sectors per cluster. */
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            uint16_t    signature;
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            uint16_t    signature;
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        } __attribute__ ((packed));
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        } __attribute__ ((packed));
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    };
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    };
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} __attribute__ ((packed)) fat_bs_t;
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} __attribute__ ((packed)) fat_bs_t;
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#define FAT_ATTR_RDONLY     (1 << 0)
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#define FAT_ATTR_VOLLABEL   (1 << 3)
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#define FAT_ATTR_SUBDIR     (1 << 4)
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typedef struct {
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    uint8_t     name[8];
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    uint8_t     ext[3];
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    uint8_t     attr;
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    uint8_t     reserved;
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    uint8_t     ctime_fine;
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    uint16_t    ctime;
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    uint16_t    cdate;
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    uint16_t    adate;
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    union {
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        uint16_t    eaidx;      /* FAT12/FAT16 */
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        uint16_t    firstc_hi;  /* FAT32 */
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    };
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    uint16_t    mtime;
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    uint16_t    mdate;
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    union {
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        uint16_t    firstc;     /* FAT12/FAT16 */
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        uint16_t    firstc_lo;  /* FAT32 */
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    };
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    uint32_t    size;
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} __attribute__ ((packed)) fat_dentry_t;
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typedef uint16_t fat_cluster_t;
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typedef enum {
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typedef enum {
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    FAT_INVALID,
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    FAT_INVALID,
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    FAT_DIRECTORY,
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    FAT_DIRECTORY,
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    FAT_FILE
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    FAT_FILE
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} fat_node_type_t;
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} fat_node_type_t;
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    bool            dirty;
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    bool            dirty;
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} fat_node_t;
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} fat_node_t;
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extern fs_reg_t fat_reg;
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extern fs_reg_t fat_reg;
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extern void fat_mounted(ipc_callid_t, ipc_call_t *);
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extern void fat_mount(ipc_callid_t, ipc_call_t *);
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extern void fat_lookup(ipc_callid_t, ipc_call_t *);
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extern void fat_lookup(ipc_callid_t, ipc_call_t *);
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extern void fat_read(ipc_callid_t, ipc_call_t *);
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extern void fat_write(ipc_callid_t, ipc_call_t *);
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extern void fat_truncate(ipc_callid_t, ipc_call_t *);
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extern void fat_destroy(ipc_callid_t, ipc_call_t *);
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extern fat_idx_t *fat_idx_get_new(dev_handle_t);
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extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);
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extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);
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extern fat_idx_t *fat_idx_get_by_index(dev_handle_t, fs_index_t);
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extern fat_idx_t *fat_idx_get_by_index(dev_handle_t, fs_index_t);
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extern void fat_idx_destroy(fat_idx_t *);
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extern void fat_idx_hashin(fat_idx_t *);
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extern void fat_idx_hashout(fat_idx_t *);
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extern int fat_idx_init(void);
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extern void fat_idx_fini(void);
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extern int fat_idx_init_by_dev_handle(dev_handle_t);
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extern void fat_idx_fini_by_dev_handle(dev_handle_t);
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#endif
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#endif
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/**
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/**
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 * @}
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 * @}