#ifndef CBD_H
#define CBD_H

/* Kernel compatibility */
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <asm/byteorder.h>

#ifndef BITS_PER_BYTE
#define BITS_PER_BYTE 8
#endif

#ifndef SECTOR_SHIFT
#define SECTOR_SHIFT    9
#endif
#ifndef SECTOR_SIZE
#define SECTOR_SIZE     (1 << SECTOR_SHIFT)
#endif

#ifndef PAGE_SHIFT
#define PAGE_SHIFT      12
#endif
#ifndef PAGE_SIZE
#define PAGE_SIZE       (1 << PAGE_SHIFT)
#endif

#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif

#ifndef max
#define max(a, b) ((a) < (b) ? (b) : (a))
#endif

#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif

#ifndef DIV_ROUND_UP
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
#endif

#ifndef ROUND_UP
#define ROUND_UP(n, d) (DIV_ROUND_UP(n, d) * (n))
#endif

typedef uint8_t  u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;

#include <linux/dm-compress.h>

#include <stdlib.h>

#define CBD_DEFAULT_COMPRESSION_FACTOR  2.0
#define CBD_DEFAULT_PHYSICAL_BLOCK_SHIFT 3
#define CBD_DEFAULT_LOGICAL_BLOCK_SHIFT 4

/* XXX: move to types.h */
typedef enum {
    t_false,
    t_true,
    t_none
} tristate_t;

int  cbd_format(const char* dev,
                uint16_t flags,
                enum cbd_alg alg, uint level,
                uint8_t pshift, uint8_t lshift,
                uint8_t pbatshift,
                uint64_t psize, uint64_t lsize,
                bool full_init);
int  cbd_open(const char* dev,
              const char* name,
              uint64_t cache_pages, bool sync);
int  cbd_close(const char* name);

int  cbd_stats(const char* dev, struct cbd_stats* stats);

int  cbd_check(const char* dev,
               bool force,
               tristate_t auto_response,
               bool full_check);
int  cbd_resize(const char* dev,
                uint64_t lsize);

#endif