#ifndef STOREDEV_STOREDEV_H_
#define STOREDEV_STOREDEV_H_

#include <stdint.h>
#include <stddef.h>
#include "spinlock/spinlock.h"
#include "storedev/ramsd.h"
#include "storedev/atasd.h"
#include "storedev/partsd.h"
#include "compiler/attr.h"
#include "dev/dev.h"

#define STOREDEV_MAGIC 0x50FA

enum {
  STOREDEV_RAMSD,
  STOREDEV_ATASD,
  STOREDEV_PARTSD,
};

UNUSED static const char *storedev_strings[] = {
  "RAMSD", "ATASD", "PARTSD",
};

typedef struct StoreDev {
  uint32_t _magic;
  struct StoreDev *next;
  int32_t sdtype;
  size_t sectorsize;

  int32_t (*init)(struct StoreDev *sd, void *extra);
  int32_t (*read)(struct StoreDev *sd, uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
  int32_t (*write)(struct StoreDev *sd, const uint8_t *const buffer, ptrdiff_t sector, ptrdiff_t off, size_t size);
  int32_t (*cleanup)(struct StoreDev *sd);
  size_t (*capacity)(struct StoreDev *sd);

  union {
    RamSd ramsd;
    AtaSd atasd;
    PartSd partsd;
  } sd;
  SpinLock spinlock;
} StoreDev;

typedef struct {
  StoreDev *head;
  SpinLock spinlock;
} StoreDevList;

extern StoreDevList STOREDEV_LIST;

void storedev_init(void);

StoreDev *storedev_create(int32_t sdtype, char *name, void *extra);
int32_t storedev_delete(StoreDev *sd);

void storedev_register_dev_entry(StoreDev *sd, char *name);
void storedev_unregister_dev_entry(Dev *dev);

#endif // STOREDEV_STOREDEV_H_