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Diffstat (limited to 'misc-utils/lsblk.h')
-rw-r--r-- | misc-utils/lsblk.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/misc-utils/lsblk.h b/misc-utils/lsblk.h new file mode 100644 index 0000000..baad3aa --- /dev/null +++ b/misc-utils/lsblk.h @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2010-2018 Red Hat, Inc. All rights reserved. + * Written by Milan Broz <mbroz@redhat.com> + * Karel Zak <kzak@redhat.com> + */ +#ifndef UTIL_LINUX_LSBLK_H +#define UTIL_LINUX_LSBLK_H + +#include <stdint.h> +#include <inttypes.h> +#include <sys/stat.h> +#include <sys/statvfs.h> + +#include <libsmartcols.h> + +#include "c.h" +#include "debug.h" + +#define LSBLK_DEBUG_INIT (1 << 1) +#define LSBLK_DEBUG_FILTER (1 << 2) +#define LSBLK_DEBUG_DEV (1 << 3) +#define LSBLK_DEBUG_CXT (1 << 4) +#define LSBLK_DEBUG_ALL 0xFFFF + +UL_DEBUG_DECLARE_MASK(lsblk); +#define DBG(m, x) __UL_DBG(lsblk, LSBLK_DEBUG_, m, x) +#define ON_DBG(m, x) __UL_DBG_CALL(lsblk, LSBLK_DEBUG_, m, x) + +#define UL_DEBUG_CURRENT_MASK UL_DEBUG_MASK(lsblk) +#include "debugobj.h" + +struct lsblk { + struct libscols_table *table; /* output table */ + struct libscols_column *sort_col;/* sort output by this column */ + int sort_id; + + const char *sysroot; + int flags; /* LSBLK_* */ + + unsigned int all_devices:1; /* print all devices, including empty */ + unsigned int bytes:1; /* print SIZE in bytes */ + unsigned int inverse:1; /* print inverse dependencies */ + unsigned int nodeps:1; /* don't print slaves/holders */ + unsigned int scsi:1; /* print only device with HCTL (SCSI) */ + unsigned int paths:1; /* print devnames with "/dev" prefix */ + unsigned int sort_hidden:1; /* sort column not between output columns */ + unsigned int force_tree_order:1;/* sort lines by parent->tree relation */ +}; + +extern struct lsblk *lsblk; /* global handler */ + +struct lsblk_devprop { + char *fstype; /* detected fs, NULL or "?" if cannot detect */ + char *uuid; /* filesystem UUID (or stack uuid) */ + char *ptuuid; /* partition table UUID */ + char *pttype; /* partition table type */ + char *label; /* filesystem label */ + char *parttype; /* partition type UUID */ + char *partuuid; /* partition UUID */ + char *partlabel; /* partition label */ + char *partflags; /* partition flags */ + char *wwn; /* storage WWN */ + char *serial; /* disk serial number */ + char *model; /* disk model */ +}; + +struct blkdev_cxt { + struct blkdev_cxt *parent; + struct lsblk_devprop *properties; + + struct libscols_line *scols_line; + struct stat st; + + char *name; /* kernel name in /sys/block */ + char *dm_name; /* DM name (dm/block) */ + + char *filename; /* path to device node */ + + struct path_cxt *sysfs; + + int partition; /* is partition? TRUE/FALSE */ + + char *mountpoint; /* device mountpoint */ + struct statvfs fsstat; /* statvfs() result */ + + int npartitions; /* # of partitions this device has */ + int nholders; /* # of devices mapped directly to this device + * /sys/block/.../holders */ + int nslaves; /* # of devices this device maps to */ + int maj, min; /* devno */ + int discard; /* supports discard */ + + uint64_t size; /* device size */ + + unsigned int is_mounted : 1, + is_swap : 1, + udev_requested : 1, + blkid_requested : 1; +}; + +/* lsblk-mnt.c */ +extern void lsblk_mnt_init(void); +extern void lsblk_mnt_deinit(void); + +extern char *lsblk_device_get_mountpoint(struct blkdev_cxt *cxt); + +/* lsblk-properties.c */ +extern void lsblk_device_free_properties(struct lsblk_devprop *p); +extern struct lsblk_devprop *lsblk_device_get_properties(struct blkdev_cxt *cxt); +extern void lsblk_properties_deinit(void); + +#endif /* UTIL_LINUX_LSBLK_H */ |