-void set_error_va(const char *fmt, va_list va);
-void set_error(const char *fmt, ...);
-const char *get_error(void);
-
-/* Device mapper backend - kernel support flags */
-#define DM_KEY_WIPE_SUPPORTED (1 << 0) /* key wipe message */
-#define DM_LMK_SUPPORTED (1 << 1) /* lmk mode */
-#define DM_SECURE_SUPPORTED (1 << 2) /* wipe (secure) buffer flag */
-#define DM_PLAIN64_SUPPORTED (1 << 3) /* plain64 IV */
-uint32_t dm_flags(void);
-
-const char *dm_get_dir(void);
-int dm_init(struct crypt_device *context, int check_kernel);
-void dm_exit(void);
-int dm_remove_device(const char *name, int force, uint64_t size);
-int dm_status_device(const char *name);
-int dm_query_device(const char *name,
- char **device,
- uint64_t *size,
- uint64_t *skip,
- uint64_t *offset,
- char **cipher,
- int *key_size,
- char **key,
- int *read_only,
- int *suspended,
- char **uuid);
-int dm_create_device(const char *name, const char *device, const char *cipher,
- const char *type, const char *uuid,
- uint64_t size, uint64_t skip, uint64_t offset,
- size_t key_size, const char *key,
- int read_only, int reload);
-int dm_suspend_and_wipe_key(const char *name);
-int dm_resume_and_reinstate_key(const char *name,
- size_t key_size,
- const char *key);
+char *crypt_lookup_dev(const char *dev_id);
+int crypt_sysfs_check_crypt_segment(const char *device, uint64_t offset, uint64_t size);
+int crypt_sysfs_get_rotational(int major, int minor, int *rotational);