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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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#ifndef dprintf
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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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#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 {
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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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            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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typedef uint16_t fat_cluster_t;
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#define FAT_BS(b)       ((fat_bs_t *)((b)->data))
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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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    unsigned        lnkcnt;
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    unsigned        lnkcnt;
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    unsigned        refcnt;
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    unsigned        refcnt;
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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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/* TODO move somewhere else */
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typedef struct block {
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    void *data;
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    size_t size;
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    bool dirty;
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} block_t;
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extern block_t *block_get(dev_handle_t, off_t, size_t);
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extern void block_put(block_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_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_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 *);