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git.ipfire.org Git - thirdparty/systemd.git/blob - src/shared/blockdev-util.h
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
7 #include "stdio-util.h"
8 #include "string-util.h"
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))
15 int block_get_whole_disk(dev_t d
, dev_t
*ret
);
16 int block_get_originating(dev_t d
, dev_t
*ret
);
18 int get_block_device_fd(int fd
, dev_t
*ret
);
19 int get_block_device(const char *path
, dev_t
*dev
);
21 int get_block_device_harder_fd(int fd
, dev_t
*dev
);
22 int get_block_device_harder(const char *path
, dev_t
*dev
);
24 int lock_whole_block_device(dev_t devt
, int operation
);
26 int blockdev_partscan_enabled(int fd
);
28 int fd_is_encrypted(int fd
);
29 int path_is_encrypted(const char *path
);
31 int fd_get_whole_disk(int fd
, bool backing
, dev_t
*ret
);
32 int path_get_whole_disk(const char *path
, bool backing
, dev_t
*ret
);
34 int block_device_add_partition(int fd
, const char *name
, int nr
, uint64_t start
, uint64_t size
);
35 int block_device_remove_partition(int fd
, const char *name
, int nr
);
36 int block_device_remove_all_partitions(int fd
);