* lsblk(8) - list block devices
*
* Copyright (C) 2010-2018 Red Hat, Inc. All rights reserved.
- * Written by Milan Broz <mbroz@redhat.com>
+ * Written by Milan Broz <gmazyland@gmail.com>
* Karel Zak <kzak@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
#include "closestream.h"
#include "optutils.h"
#include "fileutils.h"
+#include "loopdev.h"
+#include "buffer.h"
#include "lsblk.h"
/* column IDs */
enum {
- COL_NAME = 0,
- COL_KNAME,
- COL_PATH,
- COL_MAJMIN,
+ COL_ALIOFF = 0,
+ COL_IDLINK,
+ COL_ID,
+ COL_DALIGN,
+ COL_DAX,
+ COL_DGRAN,
+ COL_DISKSEQ,
+ COL_DMAX,
+ COL_DZERO,
COL_FSAVAIL,
+ COL_FSROOTS,
COL_FSSIZE,
COL_FSTYPE,
COL_FSUSED,
COL_FSUSEPERC,
- COL_TARGET,
+ COL_FSVERSION,
+ COL_GROUP,
+ COL_HCTL,
+ COL_HOTPLUG,
+ COL_KNAME,
COL_LABEL,
- COL_UUID,
- COL_PTUUID,
- COL_PTTYPE,
- COL_PARTTYPE,
+ COL_LOGSEC,
+ COL_MAJMIN,
+ COL_MINIO,
+ COL_MODE,
+ COL_MODEL,
+ COL_MQ,
+ COL_NAME,
+ COL_OPTIO,
+ COL_OWNER,
+ COL_PARTFLAGS,
COL_PARTLABEL,
+ COL_PARTN,
+ COL_PARTTYPE,
+ COL_PARTTYPENAME,
COL_PARTUUID,
- COL_PARTFLAGS,
+ COL_PATH,
+ COL_PHYSEC,
+ COL_PKNAME,
+ COL_PTTYPE,
+ COL_PTUUID,
COL_RA,
- COL_RO,
+ COL_RAND,
+ COL_REV,
COL_RM,
- COL_HOTPLUG,
- COL_MODEL,
+ COL_RO,
+ COL_ROTA,
+ COL_RQ_SIZE,
+ COL_SCHED,
COL_SERIAL,
COL_SIZE,
+ COL_START,
COL_STATE,
- COL_OWNER,
- COL_GROUP,
- COL_MODE,
- COL_ALIOFF,
- COL_MINIO,
- COL_OPTIO,
- COL_PHYSEC,
- COL_LOGSEC,
- COL_ROTA,
- COL_SCHED,
- COL_RQ_SIZE,
+ COL_SUBSYS,
+ COL_TARGET,
+ COL_TARGETS,
+ COL_TRANSPORT,
COL_TYPE,
- COL_DALIGN,
- COL_DGRAN,
- COL_DMAX,
- COL_DZERO,
+ COL_UUID,
+ COL_VENDOR,
COL_WSAME,
COL_WWN,
- COL_RAND,
- COL_PKNAME,
- COL_HCTL,
- COL_TRANSPORT,
- COL_SUBSYS,
- COL_REV,
- COL_VENDOR,
COL_ZONED,
+ COL_ZONE_SZ,
+ COL_ZONE_WGRAN,
+ COL_ZONE_APP,
+ COL_ZONE_NR,
+ COL_ZONE_OMAX,
+ COL_ZONE_AMAX,
};
/* basic table settings */
LSBLK_EXPORT = (1 << 3),
LSBLK_TREE = (1 << 4),
LSBLK_JSON = (1 << 5),
+ LSBLK_SHELLVAR = (1 << 6)
};
/* Types used for qsort() and JSON */
const char *name; /* header */
double whint; /* width hint (N < 1 is in percent of termwidth) */
int flags; /* SCOLS_FL_* */
- const char *help;
+ const char *help;
int type; /* COLTYPE_* */
};
/* columns descriptions */
static struct colinfo infos[] = {
- [COL_NAME] = { "NAME", 0.25, SCOLS_FL_NOEXTREMES, N_("device name") },
- [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") },
- [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") },
- [COL_PATH] = { "PATH", 0.3, 0, N_("path to the device node") },
- [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM },
-
- [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available") },
- [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size") },
- [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") },
- [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used") },
+ [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
+ [COL_ID] = { "ID", 0.1, SCOLS_FL_NOEXTREMES, N_("udev ID (based on ID-LINK)") },
+ [COL_IDLINK] = { "ID-LINK", 0.1, SCOLS_FL_NOEXTREMES, N_("the shortest udev /dev/disk/by-id link name") },
+ [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
+ [COL_DAX] = { "DAX", 1, SCOLS_FL_RIGHT, N_("dax-capable device"), COLTYPE_BOOL },
+ [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
+ [COL_DISKSEQ] = { "DISK-SEQ", 1, SCOLS_FL_RIGHT, N_("disk sequence number"), COLTYPE_NUM },
+ [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE },
+ [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL },
+ [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available"), COLTYPE_SIZE },
+ [COL_FSROOTS] = { "FSROOTS", 0.1, SCOLS_FL_WRAP, N_("mounted filesystem roots") },
+ [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size"), COLTYPE_SIZE },
+ [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") },
+ [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used"), COLTYPE_SIZE },
[COL_FSUSEPERC] = { "FSUSE%", 3, SCOLS_FL_RIGHT, N_("filesystem use percentage") },
-
- [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_FL_TRUNC, N_("where the device is mounted") },
- [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") },
- [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") },
-
- [COL_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") },
- [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") },
-
- [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type UUID") },
+ [COL_FSVERSION] = { "FSVER", 0.1, SCOLS_FL_TRUNC, N_("filesystem version") },
+ [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") },
+ [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") },
+ [COL_HOTPLUG] = { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL },
+ [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") },
+ [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") },
+ [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM },
+ [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM },
+ [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM },
+ [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") },
+ [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
+ [COL_MQ] = { "MQ", 3, SCOLS_FL_RIGHT, N_("device queues") },
+ [COL_NAME] = { "NAME", 0.25, SCOLS_FL_NOEXTREMES, N_("device name") },
+ [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM },
+ [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), },
+ [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") },
[COL_PARTLABEL] = { "PARTLABEL", 0.1, 0, N_("partition LABEL") },
- [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") },
- [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") },
-
- [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM },
- [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL },
- [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL },
- [COL_HOTPLUG]= { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL },
- [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL },
- [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL },
- [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") },
- [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") },
- [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE },
- [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") },
- [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), },
- [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") },
- [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
- [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
- [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM },
- [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM },
+ [COL_PARTN] = { "PARTN", 2, SCOLS_FL_RIGHT, N_("partition number as read from the partition table"), COLTYPE_NUM },
+ [COL_PARTTYPENAME] = { "PARTTYPENAME", 0.1, 0, N_("partition type name") },
+ [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type code or UUID") },
+ [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") },
+ [COL_PATH] = { "PATH", 0.3, 0, N_("path to the device node") },
[COL_PHYSEC] = { "PHY-SEC", 7, SCOLS_FL_RIGHT, N_("physical sector size"), COLTYPE_NUM },
- [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM },
- [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
+ [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") },
+ [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") },
+ [COL_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") },
+ [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL },
+ [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM },
+ [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") },
+ [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL },
+ [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL },
+ [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL },
[COL_RQ_SIZE]= { "RQ-SIZE", 5, SCOLS_FL_RIGHT, N_("request queue size"), COLTYPE_NUM },
- [COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
- [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
- [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
- [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE },
- [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL },
- [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE },
- [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
- [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") },
- [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") },
+ [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
+ [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") },
+ [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE },
+ [COL_START] = { "START", 5, SCOLS_FL_RIGHT, N_("partition start offset"), COLTYPE_NUM },
+ [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") },
[COL_SUBSYS] = { "SUBSYSTEMS", 0.1, SCOLS_FL_NOEXTREMES, N_("de-duplicated chain of subsystems") },
- [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") },
+ [COL_TARGETS] = { "MOUNTPOINTS", 0.10, SCOLS_FL_WRAP | SCOLS_FL_NOEXTREMES, N_("all locations where device is mounted") },
+ [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_FL_TRUNC | SCOLS_FL_NOEXTREMES, N_("where the device is mounted") },
+ [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") },
+ [COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
+ [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") },
[COL_VENDOR] = { "VENDOR", 0.1, SCOLS_FL_TRUNC, N_("device vendor") },
- [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") },
+ [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE },
+ [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
+ [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") },
+ [COL_ZONE_SZ] = { "ZONE-SZ", 9, SCOLS_FL_RIGHT, N_("zone size"), COLTYPE_SIZE },
+ [COL_ZONE_WGRAN] = { "ZONE-WGRAN", 10, SCOLS_FL_RIGHT, N_("zone write granularity"), COLTYPE_SIZE },
+ [COL_ZONE_APP] = { "ZONE-APP", 11, SCOLS_FL_RIGHT, N_("zone append max bytes"), COLTYPE_SIZE },
+ [COL_ZONE_NR] = { "ZONE-NR", 8, SCOLS_FL_RIGHT, N_("number of zones"), COLTYPE_NUM },
+ [COL_ZONE_OMAX] = { "ZONE-OMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of open zones"), COLTYPE_NUM },
+ [COL_ZONE_AMAX] = { "ZONE-AMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of active zones"), COLTYPE_NUM },
};
struct lsblk *lsblk; /* global handler */
}
/* Thanks to lsscsi code for idea of detection logic used here */
-static char *get_transport(struct lsblk_device *dev)
+static const char *get_transport(struct lsblk_device *dev)
{
struct path_cxt *sysfs = dev->sysfs;
char *attr = NULL;
trans = "ata";
free(attr);
- } else if (strncmp(dev->name, "nvme", 4) == 0)
+ } else if (strncmp(dev->name, "nvme", 4) == 0) {
trans = "nvme";
+ } else if (strncmp(dev->name, "vd", 2) == 0)
+ trans = "virtio";
- return trans ? xstrdup(trans) : NULL;
+ return trans;
}
static char *get_subsystems(struct lsblk_device *dev)
{
char *sizestr;
uint64_t vfs_attr = 0;
- char *mnt;
if (!dev->fsstat.f_blocks) {
- mnt = lsblk_device_get_mountpoint(dev);
+ const char *mnt = lsblk_device_get_mountpoint(dev);
if (!mnt || dev->is_swap)
return NULL;
if (statvfs(mnt, &dev->fsstat) != 0)
return dev->discard_granularity;
}
+static void device_read_bytes(struct lsblk_device *dev, char *path, char **str,
+ uint64_t *sortdata)
+{
+ uint64_t x;
+
+ if (lsblk->bytes) {
+ ul_path_read_string(dev->sysfs, str, path);
+ if (sortdata)
+ str2u64(*str, sortdata);
+ return;
+ }
+
+ if (ul_path_read_u64(dev->sysfs, &x, path) == 0) {
+ *str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
+ if (sortdata)
+ *sortdata = x;
+ }
+}
+
+static void process_mq(struct lsblk_device *dev, char **str)
+{
+ unsigned int queues = 0;
+
+ DBG(DEV, ul_debugobj(dev, "%s: process mq", dev->name));
+
+ queues = ul_path_count_dirents(dev->sysfs, "mq");
+ if (!queues) {
+ *str = xstrdup("1");
+ DBG(DEV, ul_debugobj(dev, "%s: no mq supported, use a single queue", dev->name));
+ return;
+ }
+
+ DBG(DEV, ul_debugobj(dev, "%s: has %d queues", dev->name, queues));
+ xasprintf(str, "%3u", queues);
+}
+
/*
* Generates data (string) for column specified by column ID for specified device. If sortdata
* is not NULL then returns number usable to sort the column if the data are available for the
case COL_FSUSEPERC:
str = get_vfs_attribute(dev, id);
break;
+ case COL_FSVERSION:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->fsversion)
+ str = xstrdup(prop->fsversion);
+ break;
case COL_TARGET:
{
- char *s = lsblk_device_get_mountpoint(dev);
- if (s)
- str = xstrdup(s);
- else
- str = NULL;
+ const char *p = lsblk_device_get_mountpoint(dev);
+ if (p)
+ str = xstrdup(p);
+ break;
+ }
+ case COL_TARGETS:
+ {
+ size_t i, n = 0;
+ struct ul_buffer buf = UL_INIT_BUFFER;
+ struct libmnt_fs **fss = lsblk_device_get_filesystems(dev, &n);
+
+ for (i = 0; i < n; i++) {
+ struct libmnt_fs *fs = fss[i];
+ if (mnt_fs_is_swaparea(fs))
+ ul_buffer_append_string(&buf, "[SWAP]");
+ else
+ ul_buffer_append_string(&buf, mnt_fs_get_target(fs));
+ if (i + 1 < n)
+ ul_buffer_append_data(&buf, "\n", 1);
+ }
+ str = ul_buffer_get_data(&buf, NULL, NULL);
+ break;
+ }
+ case COL_FSROOTS:
+ {
+ size_t i, n = 0;
+ struct ul_buffer buf = UL_INIT_BUFFER;
+ struct libmnt_fs **fss = lsblk_device_get_filesystems(dev, &n);
+
+ for (i = 0; i < n; i++) {
+ struct libmnt_fs *fs = fss[i];
+ const char *root = mnt_fs_get_root(fs);
+ if (mnt_fs_is_swaparea(fs))
+ continue;
+ ul_buffer_append_string(&buf, root ? root : "/");
+ if (i + 1 < n)
+ ul_buffer_append_data(&buf, "\n", 1);
+ }
+ str = ul_buffer_get_data(&buf, NULL, NULL);
break;
}
case COL_LABEL:
if (prop && prop->parttype)
str = xstrdup(prop->parttype);
break;
+ case COL_PARTTYPENAME:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->parttype && prop->pttype) {
+ const char *x = lsblk_parttype_code_to_string(
+ prop->parttype, prop->pttype);
+ if (x)
+ str = xstrdup(x);
+ }
+ break;
case COL_PARTLABEL:
prop = lsblk_device_get_properties(dev);
if (prop && prop->partlabel)
if (prop && prop->partflags)
str = xstrdup(prop->partflags);
break;
+ case COL_PARTN:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->partn)
+ str = xstrdup(prop->partn);
+ break;
case COL_WWN:
prop = lsblk_device_get_properties(dev);
if (prop && prop->wwn)
str = xstrdup(prop->wwn);
break;
+ case COL_IDLINK:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->idlink)
+ str = xstrdup(prop->idlink);
+ break;
+ case COL_ID:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->idlink) {
+ /* skip bus/subsystem prefix */
+ const char *p = strchr(prop->idlink, '-');
+ str = p && *(p + 1) ? xstrdup(p+1) : xstrdup(prop->idlink);
+ }
+ break;
case COL_RA:
ul_path_read_string(dev->sysfs, &str, "queue/read_ahead_kb");
if (sortdata)
}
break;
case COL_REV:
- if (!device_is_partition(dev) && dev->nslaves == 0)
- ul_path_read_string(dev->sysfs, &str, "device/rev");
+ if (!device_is_partition(dev) && dev->nslaves == 0) {
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->revision)
+ str = xstrdup(prop->revision);
+ else
+ ul_path_read_string(dev->sysfs, &str, "device/rev");
+ }
break;
case COL_VENDOR:
if (!device_is_partition(dev) && dev->nslaves == 0)
ul_path_read_string(dev->sysfs, &str, "device/vendor");
break;
case COL_SIZE:
- if (!dev->size)
- break;
if (lsblk->bytes)
xasprintf(&str, "%ju", dev->size);
else
if (sortdata)
*sortdata = dev->size;
break;
+ case COL_START:
+ ul_path_read_string(dev->sysfs, &str, "start");
+ if (sortdata)
+ str2u64(str, sortdata);
+ break;
case COL_STATE:
if (!device_is_partition(dev) && !dev->dm_name)
ul_path_read_string(dev->sysfs, &str, "device/state");
break;
}
case COL_TRANSPORT:
- str = get_transport(dev);
+ {
+ const char *trans = get_transport(dev);
+ if (trans)
+ str = xstrdup(trans);
break;
+ }
case COL_SUBSYS:
str = get_subsystems(dev);
break;
}
break;
case COL_DMAX:
- if (lsblk->bytes) {
- ul_path_read_string(dev->sysfs, &str, "queue/discard_max_bytes");
- if (sortdata)
- str2u64(str, sortdata);
- } else {
- uint64_t x;
- if (ul_path_read_u64(dev->sysfs, &x, "queue/discard_max_bytes") == 0) {
- str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sortdata)
- *sortdata = x;
- }
- }
+ device_read_bytes(dev, "queue/discard_max_bytes", &str, sortdata);
break;
case COL_DZERO:
if (device_get_discard_granularity(dev) > 0)
str = xstrdup("0");
break;
case COL_WSAME:
- if (lsblk->bytes) {
- ul_path_read_string(dev->sysfs, &str, "queue/write_same_max_bytes");
- if (sortdata)
- str2u64(str, sortdata);
- } else {
- uint64_t x;
+ device_read_bytes(dev, "queue/write_same_max_bytes", &str, sortdata);
+ if (!str)
+ str = xstrdup("0");
+ break;
+ case COL_ZONED:
+ ul_path_read_string(dev->sysfs, &str, "queue/zoned");
+ break;
+ case COL_ZONE_SZ:
+ {
+ uint64_t x;
- if (ul_path_read_u64(dev->sysfs, &x, "queue/write_same_max_bytes") == 0) {
+ if (ul_path_read_u64(dev->sysfs, &x, "queue/chunk_sectors") == 0) {
+ x <<= 9;
+ if (lsblk->bytes)
+ xasprintf(&str, "%ju", x);
+ else
str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sortdata)
- *sortdata = x;
- }
+ if (sortdata)
+ *sortdata = x;
}
+ break;
+ }
+ case COL_ZONE_WGRAN:
+ device_read_bytes(dev, "queue/zone_write_granularity", &str, sortdata);
+ break;
+ case COL_ZONE_APP:
+ device_read_bytes(dev, "queue/zone_append_max_bytes", &str, sortdata);
+ break;
+ case COL_ZONE_NR:
+ ul_path_read_string(dev->sysfs, &str, "queue/nr_zones");
+ if (sortdata)
+ str2u64(str, sortdata);
+ break;
+ case COL_ZONE_OMAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/max_open_zones");
if (!str)
str = xstrdup("0");
+ if (sortdata)
+ str2u64(str, sortdata);
break;
- case COL_ZONED:
- ul_path_read_string(dev->sysfs, &str, "queue/zoned");
+ case COL_ZONE_AMAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/max_active_zones");
+ if (!str)
+ str = xstrdup("0");
+ if (sortdata)
+ str2u64(str, sortdata);
+ break;
+ case COL_DAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/dax");
+ break;
+ case COL_MQ:
+ process_mq(dev, &str);
+ break;
+ case COL_DISKSEQ:
+ ul_path_read_string(dev->sysfs, &str, "diskseq");
+ if (sortdata)
+ str2u64(str, sortdata);
break;
};
if (!parent && dev->wholedisk)
parent = dev->wholedisk;
- /* Do not print device more than one in --list mode */
- if (!(lsblk->flags & LSBLK_TREE) && dev->is_printed)
+ /* Do not print device more than once on --list if tree order is not requested */
+ if (!(lsblk->flags & LSBLK_TREE) && !lsblk->force_tree_order && dev->is_printed)
return;
if (lsblk->merge && list_count_entries(&dev->parents) > 1) {
device_to_scols(dev, NULL, tab, NULL);
}
+static int ignore_empty(struct lsblk_device *dev)
+{
+ /* show all non-empty devices */
+ if (dev->size)
+ return 0;
+
+ if (lsblk->noempty && dev->size == 0)
+ return 1;
+
+ /* ignore empty loop devices without backing file */
+ if (dev->maj == LOOPDEV_MAJOR &&
+ !loopdev_has_backing_file(dev->filename))
+ return 1;
+
+ return 0;
+}
+
/*
* Reads very basic information about the device from sysfs into the device struct
*/
DBG(DEV, ul_debugobj(dev, "initialize %s [wholedisk=%p %s]",
name, wholedisk, wholedisk ? wholedisk->name : ""));
+ if (sysfs_devname_is_hidden(lsblk->sysroot, name)) {
+ DBG(DEV, ul_debugobj(dev, "%s: hidden, ignore", name));
+ return -1;
+ }
+
dev->name = xstrdup(name);
if (wholedisk) {
dev->size <<= 9; /* in bytes */
/* Ignore devices of zero size */
- if (!lsblk->all_devices && dev->size == 0) {
+ if (!lsblk->all_devices && ignore_empty(dev)) {
DBG(DEV, ul_debugobj(dev, "zero size device -- ignore"));
return -1;
}
return -1;
}
+ /* ignore non-NVMe devices */
+ if (lsblk->nvme) {
+ const char *transport = get_transport(dev);
+
+ if (!transport || strcmp(transport, "nvme")) {
+ DBG(DEV, ul_debugobj(dev, "non-nvme device -- ignore"));
+ return -1;
+ }
+ }
+
+ /* ignore non-virtio devices */
+ if (lsblk->virtio) {
+ const char *transport = get_transport(dev);
+
+ if (!transport || strcmp(transport, "virtio")) {
+ DBG(DEV, ul_debugobj(dev, "non-virtio device -- ignore"));
+ return -1;
+ }
+ }
+
DBG(DEV, ul_debugobj(dev, "%s: context successfully initialized", dev->name));
return 0;
}
return dev;
}
+static struct lsblk_device *devtree_pktcdvd_get_dep(
+ struct lsblk_devtree *tr,
+ struct lsblk_device *dev,
+ int want_slave)
+{
+ char buf[PATH_MAX], *name;
+ dev_t devno;
+
+ devno = lsblk_devtree_pktcdvd_get_mate(tr,
+ makedev(dev->maj, dev->min), !want_slave);
+ if (!devno)
+ return NULL;
+
+ name = sysfs_devno_to_devname(devno, buf, sizeof(buf));
+ if (!name)
+ return NULL;
+
+ return devtree_get_device_or_new(tr, NULL, name);
+}
+
static int process_dependencies(
struct lsblk_devtree *tr,
struct lsblk_device *dev,
DIR *dir;
struct dirent *d;
const char *depname;
+ struct lsblk_device *dep = NULL;
assert(dev);
if (!(lsblk->inverse ? dev->nslaves : dev->nholders)) {
DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders)"));
- return 0;
+ goto done;
}
depname = lsblk->inverse ? "slaves" : "holders";
dir = ul_path_opendir(dev->sysfs, depname);
if (!dir) {
DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders directory)"));
- return 0;
+ goto done;
}
ul_path_close_dirfd(dev->sysfs);
DBG(DEV, ul_debugobj(dev, " %s: checking for '%s' dependence", dev->name, depname));
while ((d = xreaddir(dir))) {
- struct lsblk_device *dep = NULL;
struct lsblk_device *disk = NULL;
/* Is the dependency a partition? */
ul_path_close_dirfd(disk->sysfs);
}
closedir(dir);
+done:
+ dep = devtree_pktcdvd_get_dep(tr, dev, lsblk->inverse);
+
+ if (dep && lsblk_device_new_dependence(dev, dep) == 0) {
+ lsblk_devtree_remove_root(tr, dep);
+ process_dependencies(tr, dep, lsblk->inverse ? 0 : 1);
+ }
- DBG(DEV, ul_debugobj(dev, "%s: checking for '%s' -- done", dev->name, depname));
return 0;
}
fputs(_("List information about block devices.\n"), out);
fputs(USAGE_OPTIONS, out);
+ fputs(_(" -A, --noempty don't print empty devices\n"), out);
fputs(_(" -D, --discard print discard capabilities\n"), out);
fputs(_(" -E, --dedup <column> de-duplicate output by <column>\n"), out);
fputs(_(" -I, --include <list> show only devices with specified major numbers\n"), out);
fputs(_(" -J, --json use JSON output format\n"), out);
+ fputs(_(" -M, --merge group parents of sub-trees (usable for RAIDs, Multi-path)\n"), out);
fputs(_(" -O, --output-all output all columns\n"), out);
fputs(_(" -P, --pairs use key=\"value\" output format\n"), out);
fputs(_(" -S, --scsi output info about SCSI devices\n"), out);
+ fputs(_(" -N, --nvme output info about NVMe devices\n"), out);
+ fputs(_(" -v, --virtio output info about virtio devices\n"), out);
fputs(_(" -T, --tree[=<column>] use tree format output\n"), out);
fputs(_(" -a, --all print all devices\n"), out);
fputs(_(" -b, --bytes print SIZE in bytes rather than in human readable format\n"), out);
fputs(_(" -f, --fs output info about filesystems\n"), out);
fputs(_(" -i, --ascii use ascii characters only\n"), out);
fputs(_(" -l, --list use list format output\n"), out);
- fputs(_(" -M, --merge group parents of sub-trees (usable for RAIDs, Multi-path)\n"), out);
fputs(_(" -m, --perms output info about permissions\n"), out);
fputs(_(" -n, --noheadings don't print headings\n"), out);
fputs(_(" -o, --output <list> output columns\n"), out);
fputs(_(" -r, --raw use raw output format\n"), out);
fputs(_(" -s, --inverse inverse dependencies\n"), out);
fputs(_(" -t, --topology output info about topology\n"), out);
- fputs(_(" -z, --zoned print zone model\n"), out);
+ fputs(_(" -w, --width <num> specifies output width as number of characters\n"), out);
fputs(_(" -x, --sort <column> sort output by <column>\n"), out);
+ fputs(_(" -y, --shell use column names to be usable as shell variable identifiers\n"), out);
+ fputs(_(" -z, --zoned print zone related information\n"), out);
fputs(_(" --sysroot <dir> use specified directory as system root\n"), out);
fputs(USAGE_SEPARATOR, out);
printf(USAGE_HELP_OPTIONS(22));
fprintf(out, USAGE_COLUMNS);
for (i = 0; i < ARRAY_SIZE(infos); i++)
- fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help));
+ fprintf(out, " %12s %s\n", infos[i].name, _(infos[i].help));
printf(USAGE_MAN_TAIL("lsblk(8)"));
int c, status = EXIT_FAILURE;
char *outarg = NULL;
size_t i;
+ unsigned int width = 0;
int force_tree = 0, has_tree_col = 0;
enum {
{ "all", no_argument, NULL, 'a' },
{ "bytes", no_argument, NULL, 'b' },
{ "nodeps", no_argument, NULL, 'd' },
+ { "noempty", no_argument, NULL, 'A' },
{ "discard", no_argument, NULL, 'D' },
{ "dedup", required_argument, NULL, 'E' },
{ "zoned", no_argument, NULL, 'z' },
{ "paths", no_argument, NULL, 'p' },
{ "pairs", no_argument, NULL, 'P' },
{ "scsi", no_argument, NULL, 'S' },
+ { "nvme", no_argument, NULL, 'N' },
+ { "virtio", no_argument, NULL, 'v' },
{ "sort", required_argument, NULL, 'x' },
{ "sysroot", required_argument, NULL, OPT_SYSROOT },
+ { "shell", no_argument, NULL, 'y' },
{ "tree", optional_argument, NULL, 'T' },
{ "version", no_argument, NULL, 'V' },
+ { "width", required_argument, NULL, 'w' },
{ NULL, 0, NULL, 0 },
};
lsblk_init_debug();
while((c = getopt_long(argc, argv,
- "abdDzE:e:fhJlnMmo:OpPiI:rstVST:x:", longopts, NULL)) != -1) {
+ "AabdDzE:e:fhJlNnMmo:OpPiI:rstVvST::w:x:y",
+ longopts, NULL)) != -1) {
err_exclusive_options(c, longopts, excl, excl_st);
switch(c) {
+ case 'A':
+ lsblk->noempty = 1;
+ break;
case 'a':
lsblk->all_devices = 1;
break;
case 'z':
add_uniq_column(COL_NAME);
add_uniq_column(COL_ZONED);
+ add_uniq_column(COL_ZONE_SZ);
+ add_uniq_column(COL_ZONE_NR);
+ add_uniq_column(COL_ZONE_AMAX);
+ add_uniq_column(COL_ZONE_OMAX);
+ add_uniq_column(COL_ZONE_APP);
+ add_uniq_column(COL_ZONE_WGRAN);
break;
case 'e':
parse_excludes(optarg);
lsblk->flags |= LSBLK_EXPORT;
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
break;
+ case 'y':
+ lsblk->flags |= LSBLK_SHELLVAR;
+ break;
case 'i':
lsblk->flags |= LSBLK_ASCII;
break;
case 'f':
add_uniq_column(COL_NAME);
add_uniq_column(COL_FSTYPE);
+ add_uniq_column(COL_FSVERSION);
add_uniq_column(COL_LABEL);
add_uniq_column(COL_UUID);
add_uniq_column(COL_FSAVAIL);
add_uniq_column(COL_FSUSEPERC);
- add_uniq_column(COL_TARGET);
+ add_uniq_column(COL_TARGETS);
break;
case 'm':
add_uniq_column(COL_NAME);
add_uniq_column(COL_VENDOR);
add_uniq_column(COL_MODEL);
add_uniq_column(COL_REV);
+ add_uniq_column(COL_SERIAL);
+ add_uniq_column(COL_TRANSPORT);
+ break;
+ case 'N':
+ lsblk->nodeps = 1;
+ lsblk->nvme = 1;
+ add_uniq_column(COL_NAME);
+ add_uniq_column(COL_TYPE);
+ add_uniq_column(COL_MODEL);
+ add_uniq_column(COL_SERIAL);
+ add_uniq_column(COL_REV);
add_uniq_column(COL_TRANSPORT);
+ add_uniq_column(COL_RQ_SIZE);
+ add_uniq_column(COL_MQ);
+ break;
+ case 'v':
+ lsblk->nodeps = 1;
+ lsblk->virtio = 1;
+ add_uniq_column(COL_NAME);
+ add_uniq_column(COL_TYPE);
+ add_uniq_column(COL_TRANSPORT);
+ add_uniq_column(COL_SIZE);
+ add_uniq_column(COL_RQ_SIZE);
+ add_uniq_column(COL_MQ);
break;
case 'T':
force_tree = 1;
- if (optarg)
+ if (optarg) {
+ if (*optarg == '=')
+ optarg++;
lsblk->tree_id = column_name_to_id(optarg, strlen(optarg));
+ }
break;
case OPT_SYSROOT:
lsblk->sysroot = optarg;
break;
errtryhelp(EXIT_FAILURE);
break;
+ case 'w':
+ width = strtou32_or_err(optarg, _("invalid output width number argument"));
+ break;
case 'x':
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
lsblk->sort_id = column_name_to_id(optarg, strlen(optarg));
add_column(COL_SIZE);
add_column(COL_RO);
add_column(COL_TYPE);
- add_column(COL_TARGET);
+ add_column(COL_TARGETS);
}
if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns),
* /sys is no more sorted */
lsblk->sort_id = COL_MAJMIN;
- /* For --inverse --list we still follow parent->child relation */
- if (lsblk->inverse && !(lsblk->flags & LSBLK_TREE))
+ /* For --{inverse,raw,pairs} --list we still follow parent->child relation */
+ if (!(lsblk->flags & LSBLK_TREE)
+ && (lsblk->inverse || lsblk->flags & LSBLK_EXPORT || lsblk->flags & LSBLK_RAW))
lsblk->force_tree_order = 1;
if (lsblk->sort_id >= 0 && column_id_to_number(lsblk->sort_id) < 0) {
errx(EXIT_FAILURE, _("failed to allocate output table"));
scols_table_enable_raw(lsblk->table, !!(lsblk->flags & LSBLK_RAW));
scols_table_enable_export(lsblk->table, !!(lsblk->flags & LSBLK_EXPORT));
+ scols_table_enable_shellvar(lsblk->table, !!(lsblk->flags & LSBLK_SHELLVAR));
scols_table_enable_ascii(lsblk->table, !!(lsblk->flags & LSBLK_ASCII));
scols_table_enable_json(lsblk->table, !!(lsblk->flags & LSBLK_JSON));
scols_table_enable_noheadings(lsblk->table, !!(lsblk->flags & LSBLK_NOHEADINGS));
if (lsblk->flags & LSBLK_JSON)
scols_table_set_name(lsblk->table, "blockdevices");
+ if (width) {
+ scols_table_set_termwidth(lsblk->table, width);
+ scols_table_set_termforce(lsblk->table, SCOLS_TERMFORCE_ALWAYS);
+ }
for (i = 0; i < ncolumns; i++) {
struct colinfo *ci = get_column_info(i);
ci->type == COLTYPE_SORTNUM ? cmp_u64_cells : scols_cmpstr_cells,
NULL);
}
+ /* multi-line cells (now used for MOUNTPOINTS) */
+ if (fl & SCOLS_FL_WRAP) {
+ scols_column_set_wrapfunc(cl,
+ scols_wrapnl_chunksize,
+ scols_wrapnl_nextchunk,
+ NULL);
+ scols_column_set_safechars(cl, "\n");
+ }
+
if (lsblk->flags & LSBLK_JSON) {
switch (ci->type) {
case COLTYPE_SIZE:
break;
/* fallthrough */
case COLTYPE_NUM:
- scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
+ scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
break;
case COLTYPE_BOOL:
scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN);
break;
default:
- scols_column_set_json_type(cl, SCOLS_JSON_STRING);
+ if (fl & SCOLS_FL_WRAP)
+ scols_column_set_json_type(cl, SCOLS_JSON_ARRAY_STRING);
+ else
+ scols_column_set_json_type(cl, SCOLS_JSON_STRING);
break;
}
}
projects / thirdparty / util-linux.git / blobdiff