#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 PBLK_SHIFT
#define PBLK_SHIFT      12
#endif
#ifndef PBLK_SIZE
#define PBLK_SIZE       (1 << PBLK_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  1.5
#define CBD_DEFAULT_LOGICAL_BLOCK_SHIFT 4

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

struct cbd_info {
    u64     lbatpblk_r;
    u64     lbatpblk_w;
    u64     lbd_r;
    u64     lbd_w;
    u64     lblk_size;
    u64     lblk_total;
    u64     lblk_used;
    u64     pbat_r;
    u64     pbat_w;
    u64     pblk_total;
    u64     pblk_used;
    u64     zone_init;
    u64     zone_total;
};

int    cbd_format(const char* dev,
        uint16_t flags,
        enum cbd_alg alg, uint level,
        uint8_t lshift,
        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_info(const char* dev,
        struct cbd_info* info);
int    cbd_check(const char* dev,
        bool force,
        tristate_t auto_response,
        bool full_check);
int    cbd_resize(const char* dev,
        uint64_t lsize);
int    cbd_tune(const char* dev,
        tristate_t zero_detect, uint level, bool repack);

#endif