1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 #include <sys/types.h>
5 
6 #include "macro.h"
7 #include "stdio-util.h"
8 #include "string-util.h"
9 
10 #define SYS_BLOCK_PATH_MAX(suffix)                                      \
11         (STRLEN("/sys/dev/block/") + DECIMAL_STR_MAX(dev_t) + 1 + DECIMAL_STR_MAX(dev_t) + strlen_ptr(suffix))
12 #define xsprintf_sys_block_path(buf, suffix, devno)                     \
13         xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix))
14 
15 int block_get_whole_disk(dev_t d, dev_t *ret);
16 int block_get_originating(dev_t d, dev_t *ret);
17 
18 int get_block_device_fd(int fd, dev_t *ret);
19 int get_block_device(const char *path, dev_t *dev);
20 
21 int get_block_device_harder_fd(int fd, dev_t *dev);
22 int get_block_device_harder(const char *path, dev_t *dev);
23 
24 int lock_whole_block_device(dev_t devt, int operation);
25 
26 int blockdev_partscan_enabled(int fd);
27 
28 int fd_is_encrypted(int fd);
29 int path_is_encrypted(const char *path);
30