#ifndef __ZEV_CHECKSUMS_H__
#define __ZEV_CHECKSUMS_H__

#include <sys/zfs_znode.h>
#include <sys/fs/zev.h>

/* cache size in bytes */
#define ZEV_CHKSUM_DEFAULT_CACHE_SIZE	(4 * 1024 * 1024)

void zev_chksum_init(void);
void zev_chksum_fini(void);

typedef enum {
	zev_write = 0,
	zev_truncate
} zev_chksum_mode_t;

int zev_get_checksums(zev_sig_t **sig_buf,
                      uint64_t *sig_buf_len,
                      uint64_t *sig_cnt,
                      uint64_t max_sig_buf_len,
                      znode_t *zp,
                      uint64_t off,
                      uint64_t len,
                      zev_chksum_mode_t mode);

void zev_chksum_stats(uint64_t *c_size, uint64_t *c_hits, uint64_t *c_misses);

int zev_ioc_get_signatures(intptr_t arg, int mode);
void zev_symlink_checksum(zev_znode_symlink_t *rec, char *link);
void zev_create_checksum(zev_znode_create_t *rec, znode_t *zp);

#endif