diff options
Diffstat (limited to 'src/shared/blockdev-util.h')
| -rw-r--r-- | src/shared/blockdev-util.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/shared/blockdev-util.h b/src/shared/blockdev-util.h index 1f612157fc..b2c14102ae 100644 --- a/src/shared/blockdev-util.h +++ b/src/shared/blockdev-util.h @@ -14,6 +14,17 @@ #define xsprintf_sys_block_path(buf, suffix, devno) \ xsprintf(buf, "/sys/dev/block/%u:%u%s", major(devno), minor(devno), strempty(suffix)) +typedef enum BlockDeviceLookupFlag { + BLOCK_DEVICE_LOOKUP_WHOLE_DISK = 1 << 0, /* whole block device, e.g. sda, nvme0n1, or loop0. */ + BLOCK_DEVICE_LOOKUP_BACKING = 1 << 1, /* fd may be regular file or directory on file system, in + * which case backing block device is determined. */ + BLOCK_DEVICE_LOOKUP_ORIGINATING = 1 << 2, /* Try to find the underlying layer device for stacked + * block device, e.g. LUKS-style DM. */ +} BlockDeviceLookupFlag; + +int block_device_new_from_fd(int fd, BlockDeviceLookupFlag flag, sd_device **ret); +int block_device_new_from_path(const char *path, BlockDeviceLookupFlag flag, sd_device **ret); + int block_device_is_whole_disk(sd_device *dev); int block_device_get_whole_disk(sd_device *dev, sd_device **ret); |