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Commit | Line | Data |
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2a4c734b | 1 | /* |
f77fa578 | 2 | * lsblk(8) - list block devices |
2a4c734b | 3 | * |
28ffc2b7 | 4 | * Copyright (C) 2010,2011,2012 Red Hat, Inc. All rights reserved. |
2a4c734b MB |
5 | * Written by Milan Broz <mbroz@redhat.com> |
6 | * Karel Zak <kzak@redhat.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it would be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
7cebf0bb SK |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
2a4c734b MB |
21 | */ |
22 | ||
23 | #include <stdio.h> | |
24 | #include <errno.h> | |
25 | #include <getopt.h> | |
2a4c734b MB |
26 | #include <stdlib.h> |
27 | #include <unistd.h> | |
28 | #include <stdint.h> | |
29 | #include <sys/types.h> | |
30 | #include <sys/stat.h> | |
31 | #include <dirent.h> | |
32 | #include <fcntl.h> | |
33 | #include <string.h> | |
2a4c734b MB |
34 | #include <sys/ioctl.h> |
35 | #include <inttypes.h> | |
36 | #include <stdarg.h> | |
37 | #include <locale.h> | |
38 | #include <pwd.h> | |
39 | #include <grp.h> | |
18eac5ba | 40 | #include <ctype.h> |
2a4c734b MB |
41 | |
42 | #include <blkid.h> | |
9554f7ab | 43 | #include <libmount.h> |
9bd4e5c0 | 44 | #include <libsmartcols.h> |
2a4c734b | 45 | |
f17f5f48 IM |
46 | #ifdef HAVE_LIBUDEV |
47 | #include <libudev.h> | |
48 | #endif | |
49 | ||
2a4c734b MB |
50 | #include <assert.h> |
51 | ||
540d506f | 52 | #include "c.h" |
2a4c734b MB |
53 | #include "pathnames.h" |
54 | #include "blkdev.h" | |
55 | #include "canonicalize.h" | |
2a4c734b | 56 | #include "nls.h" |
2a4c734b MB |
57 | #include "xalloc.h" |
58 | #include "strutils.h" | |
766ab9b0 | 59 | #include "sysfs.h" |
c05a80ca | 60 | #include "closestream.h" |
d324270e | 61 | #include "mangle.h" |
05187653 | 62 | #include "optutils.h" |
2a4c734b | 63 | |
7e786eca KZ |
64 | #include "debug.h" |
65 | ||
2ba641e5 | 66 | static UL_DEBUG_DEFINE_MASK(lsblk); |
7e786eca KZ |
67 | UL_DEBUG_DEFINE_MASKNAMES(lsblk) = UL_DEBUG_EMPTY_MASKNAMES; |
68 | ||
69 | #define LSBLK_DEBUG_INIT (1 << 1) | |
70 | #define LSBLK_DEBUG_FILTER (1 << 2) | |
71 | #define LSBLK_DEBUG_DEV (1 << 3) | |
72 | #define LSBLK_DEBUG_CXT (1 << 4) | |
73 | #define LSBLK_DEBUG_ALL 0xFFFF | |
74 | ||
75 | #define DBG(m, x) __UL_DBG(lsblk, LSBLK_DEBUG_, m, x) | |
76 | #define ON_DBG(m, x) __UL_DBG_CALL(lsblk, LSBLK_DEBUG_, m, x) | |
77 | ||
6d00cfb2 KZ |
78 | #define UL_DEBUG_CURRENT_MASK UL_DEBUG_MASK(lsblk) |
79 | #include "debugobj.h" | |
1539750f KZ |
80 | |
81 | #define LSBLK_EXIT_SOMEOK 64 | |
82 | #define LSBLK_EXIT_ALLFAILED 32 | |
83 | ||
be685b98 KZ |
84 | static int column_id_to_number(int id); |
85 | ||
2a4c734b MB |
86 | /* column IDs */ |
87 | enum { | |
88 | COL_NAME = 0, | |
89 | COL_KNAME, | |
90 | COL_MAJMIN, | |
91 | COL_FSTYPE, | |
92 | COL_TARGET, | |
93 | COL_LABEL, | |
94 | COL_UUID, | |
1b06b33d MB |
95 | COL_PTUUID, |
96 | COL_PTTYPE, | |
4686ba17 | 97 | COL_PARTTYPE, |
aa0903e0 KZ |
98 | COL_PARTLABEL, |
99 | COL_PARTUUID, | |
5a2fd932 | 100 | COL_PARTFLAGS, |
150db7a9 | 101 | COL_RA, |
2a4c734b | 102 | COL_RO, |
627970a7 | 103 | COL_RM, |
483987c2 | 104 | COL_HOTPLUG, |
2a4c734b | 105 | COL_MODEL, |
460c7afb | 106 | COL_SERIAL, |
2a4c734b | 107 | COL_SIZE, |
01e487c0 | 108 | COL_STATE, |
2a4c734b MB |
109 | COL_OWNER, |
110 | COL_GROUP, | |
111 | COL_MODE, | |
112 | COL_ALIOFF, | |
113 | COL_MINIO, | |
114 | COL_OPTIO, | |
115 | COL_PHYSEC, | |
116 | COL_LOGSEC, | |
117 | COL_ROTA, | |
118 | COL_SCHED, | |
64c9e22a | 119 | COL_RQ_SIZE, |
18eac5ba | 120 | COL_TYPE, |
2d232246 MP |
121 | COL_DALIGN, |
122 | COL_DGRAN, | |
123 | COL_DMAX, | |
124 | COL_DZERO, | |
2adb1a44 | 125 | COL_WSAME, |
88ca32b3 | 126 | COL_WWN, |
12b06c3d | 127 | COL_RAND, |
310c0603 | 128 | COL_PKNAME, |
699e5c4f | 129 | COL_HCTL, |
a5fb4d23 | 130 | COL_TRANSPORT, |
7f14ee1b | 131 | COL_SUBSYS, |
d6681cee | 132 | COL_REV, |
f2df4365 DLM |
133 | COL_VENDOR, |
134 | COL_ZONED, | |
2a4c734b MB |
135 | }; |
136 | ||
9bd4e5c0 OO |
137 | /* basic table settings */ |
138 | enum { | |
139 | LSBLK_ASCII = (1 << 0), | |
140 | LSBLK_RAW = (1 << 1), | |
141 | LSBLK_NOHEADINGS = (1 << 2), | |
bb6e822a KZ |
142 | LSBLK_EXPORT = (1 << 3), |
143 | LSBLK_TREE = (1 << 4), | |
4a102a48 | 144 | LSBLK_JSON = (1 << 5), |
9bd4e5c0 OO |
145 | }; |
146 | ||
407e0ea6 | 147 | /* Types used for qsort() and JSON */ |
642048e4 | 148 | enum { |
407e0ea6 KZ |
149 | COLTYPE_STR = 0, /* default */ |
150 | COLTYPE_NUM = 1, /* always u64 number */ | |
151 | COLTYPE_SORTNUM = 2, /* string on output, u64 for qsort() */ | |
152 | COLTYPE_SIZE = 3, /* srring by default, number when --bytes */ | |
153 | COLTYPE_BOOL = 4 /* 0 or 1 */ | |
642048e4 KZ |
154 | }; |
155 | ||
2a4c734b MB |
156 | /* column names */ |
157 | struct colinfo { | |
158 | const char *name; /* header */ | |
159 | double whint; /* width hint (N < 1 is in percent of termwidth) */ | |
9bd4e5c0 | 160 | int flags; /* SCOLS_FL_* */ |
2a4c734b | 161 | const char *help; |
642048e4 | 162 | |
407e0ea6 | 163 | int type; /* COLTYPE_* */ |
2a4c734b MB |
164 | }; |
165 | ||
166 | /* columns descriptions */ | |
507d39c2 | 167 | static struct colinfo infos[] = { |
9bd4e5c0 | 168 | [COL_NAME] = { "NAME", 0.25, SCOLS_FL_TREE | SCOLS_FL_NOEXTREMES, N_("device name") }, |
e22d8b95 | 169 | [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") }, |
310c0603 | 170 | [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") }, |
407e0ea6 | 171 | [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM }, |
9bd4e5c0 OO |
172 | [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") }, |
173 | [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_FL_TRUNC, N_("where the device is mounted") }, | |
2a4c734b MB |
174 | [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") }, |
175 | [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") }, | |
aa0903e0 | 176 | |
1b06b33d MB |
177 | [COL_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") }, |
178 | [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") }, | |
179 | ||
4686ba17 | 180 | [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type UUID") }, |
aa0903e0 KZ |
181 | [COL_PARTLABEL] = { "PARTLABEL", 0.1, 0, N_("partition LABEL") }, |
182 | [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") }, | |
5a2fd932 | 183 | [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") }, |
aa0903e0 | 184 | |
407e0ea6 KZ |
185 | [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM }, |
186 | [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL }, | |
187 | [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL }, | |
188 | [COL_HOTPLUG]= { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL }, | |
189 | [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL }, | |
190 | [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL }, | |
9bd4e5c0 OO |
191 | [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") }, |
192 | [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") }, | |
407e0ea6 | 193 | [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE }, |
9bd4e5c0 OO |
194 | [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") }, |
195 | [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), }, | |
196 | [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") }, | |
2a4c734b | 197 | [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") }, |
407e0ea6 KZ |
198 | [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM }, |
199 | [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM }, | |
200 | [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM }, | |
201 | [COL_PHYSEC] = { "PHY-SEC", 7, SCOLS_FL_RIGHT, N_("physical sector size"), COLTYPE_NUM }, | |
202 | [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM }, | |
18eac5ba | 203 | [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") }, |
407e0ea6 | 204 | [COL_RQ_SIZE]= { "RQ-SIZE", 5, SCOLS_FL_RIGHT, N_("request queue size"), COLTYPE_NUM }, |
2d232246 | 205 | [COL_TYPE] = { "TYPE", 4, 0, N_("device type") }, |
407e0ea6 KZ |
206 | [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM }, |
207 | [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE }, | |
208 | [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE }, | |
209 | [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL }, | |
210 | [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE }, | |
88ca32b3 | 211 | [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") }, |
699e5c4f | 212 | [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") }, |
a5fb4d23 | 213 | [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") }, |
7f14ee1b | 214 | [COL_SUBSYS] = { "SUBSYSTEMS", 0.1, SCOLS_FL_NOEXTREMES, N_("de-duplicated chain of subsystems") }, |
9bd4e5c0 OO |
215 | [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") }, |
216 | [COL_VENDOR] = { "VENDOR", 0.1, SCOLS_FL_TRUNC, N_("device vendor") }, | |
f2df4365 | 217 | [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") }, |
2a4c734b MB |
218 | }; |
219 | ||
220 | struct lsblk { | |
9bd4e5c0 | 221 | struct libscols_table *table; /* output table */ |
3fd1f771 | 222 | struct libscols_column *sort_col;/* sort output by this column */ |
642048e4 KZ |
223 | int sort_id; |
224 | ||
ffc27623 | 225 | const char *sysroot; |
341c4ae2 KZ |
226 | int flags; /* LSBLK_* */ |
227 | ||
2dc03af7 | 228 | unsigned int all_devices:1; /* print all devices, including empty */ |
9feec79c | 229 | unsigned int bytes:1; /* print SIZE in bytes */ |
09a71aa1 | 230 | unsigned int inverse:1; /* print inverse dependencies */ |
9feec79c | 231 | unsigned int nodeps:1; /* don't print slaves/holders */ |
28ffc2b7 | 232 | unsigned int scsi:1; /* print only device with HCTL (SCSI) */ |
c7e76cd1 | 233 | unsigned int paths:1; /* print devnames with "/dev" prefix */ |
a6dc8dcd | 234 | unsigned int sort_hidden:1; /* sort column not between output columns */ |
091683a8 | 235 | unsigned int force_tree_order:1;/* sort lines by parent->tree relation */ |
2a4c734b MB |
236 | }; |
237 | ||
2ba641e5 | 238 | static struct lsblk *lsblk; /* global handler */ |
507d39c2 | 239 | |
b6327c6f KZ |
240 | /* columns[] array specifies all currently wanted output column. The columns |
241 | * are defined by infos[] array and you can specify (on command line) each | |
242 | * column twice. That's enough, dynamically allocated array of the columns is | |
243 | * unnecessary overkill and over-engineering in this case */ | |
244 | static int columns[ARRAY_SIZE(infos) * 2]; | |
40b17508 | 245 | static size_t ncolumns; |
b6327c6f | 246 | |
be685b98 KZ |
247 | |
248 | static inline void add_column(int id) | |
b6327c6f | 249 | { |
be685b98 | 250 | if (ncolumns >= ARRAY_SIZE(columns)) |
b6327c6f | 251 | errx(EXIT_FAILURE, _("too many columns specified, " |
1d231190 | 252 | "the limit is %zu columns"), |
be685b98 KZ |
253 | ARRAY_SIZE(columns) - 1); |
254 | columns[ ncolumns++ ] = id; | |
b6327c6f KZ |
255 | } |
256 | ||
be685b98 KZ |
257 | static inline void add_uniq_column(int id) |
258 | { | |
259 | if (column_id_to_number(id) < 0) | |
260 | add_column(id); | |
261 | } | |
2a4c734b | 262 | |
f6da50d4 BV |
263 | static int excludes[256]; |
264 | static size_t nexcludes; | |
2a4c734b | 265 | |
2ef4e8ba KZ |
266 | static int includes[256]; |
267 | static size_t nincludes; | |
268 | ||
9554f7ab KZ |
269 | static struct libmnt_table *mtab, *swaps; |
270 | static struct libmnt_cache *mntcache; | |
271 | ||
d44e3391 | 272 | #ifdef HAVE_LIBUDEV |
2ba641e5 | 273 | static struct udev *udev; |
d44e3391 KZ |
274 | #endif |
275 | ||
2a4c734b MB |
276 | struct blkdev_cxt { |
277 | struct blkdev_cxt *parent; | |
278 | ||
9bd4e5c0 | 279 | struct libscols_line *scols_line; |
2a4c734b MB |
280 | struct stat st; |
281 | ||
282 | char *name; /* kernel name in /sys/block */ | |
283 | char *dm_name; /* DM name (dm/block) */ | |
284 | ||
285 | char *filename; /* path to device node */ | |
766ab9b0 | 286 | |
f153614c | 287 | struct path_cxt *sysfs; |
2a4c734b MB |
288 | |
289 | int partition; /* is partition? TRUE/FALSE */ | |
290 | ||
291 | int probed; /* already probed */ | |
292 | char *fstype; /* detected fs, NULL or "?" if cannot detect */ | |
aa0903e0 | 293 | char *uuid; /* filesystem UUID (or stack uuid) */ |
1b06b33d MB |
294 | char *ptuuid; /* partition table UUID */ |
295 | char *pttype; /* partition table type */ | |
aa0903e0 | 296 | char *label; /* filesystem label */ |
9e930041 | 297 | char *parttype; /* partition type UUID */ |
aa0903e0 | 298 | char *partuuid; /* partition UUID */ |
9e930041 | 299 | char *partlabel; /* partition label */ |
5a2fd932 | 300 | char *partflags; /* partition flags */ |
88ca32b3 | 301 | char *wwn; /* storage WWN */ |
460c7afb | 302 | char *serial; /* disk serial number */ |
2a4c734b | 303 | |
09a71aa1 | 304 | int npartitions; /* # of partitions this device has */ |
2a4c734b | 305 | int nholders; /* # of devices mapped directly to this device |
09a71aa1 | 306 | * /sys/block/.../holders */ |
2a4c734b MB |
307 | int nslaves; /* # of devices this device maps to */ |
308 | int maj, min; /* devno */ | |
98055888 | 309 | int discard; /* supports discard */ |
2a4c734b MB |
310 | |
311 | uint64_t size; /* device size */ | |
312 | }; | |
313 | ||
7e786eca KZ |
314 | static void lsblk_init_debug(void) |
315 | { | |
a15dca2f | 316 | __UL_INIT_DEBUG_FROM_ENV(lsblk, LSBLK_DEBUG_, 0, LSBLK_DEBUG); |
7e786eca KZ |
317 | } |
318 | ||
2a4c734b MB |
319 | static int is_maj_excluded(int maj) |
320 | { | |
6aace32f | 321 | size_t i; |
2a4c734b MB |
322 | |
323 | assert(ARRAY_SIZE(excludes) > nexcludes); | |
324 | ||
2ef4e8ba | 325 | if (!nexcludes) |
9e930041 | 326 | return 0; /* filter not enabled, device not excluded */ |
2ef4e8ba | 327 | |
7e786eca KZ |
328 | for (i = 0; i < nexcludes; i++) { |
329 | if (excludes[i] == maj) { | |
330 | DBG(FILTER, ul_debug("exclude: maj=%d", maj)); | |
2a4c734b | 331 | return 1; |
7e786eca KZ |
332 | } |
333 | } | |
2a4c734b MB |
334 | return 0; |
335 | } | |
336 | ||
2ef4e8ba KZ |
337 | static int is_maj_included(int maj) |
338 | { | |
339 | size_t i; | |
340 | ||
341 | assert(ARRAY_SIZE(includes) > nincludes); | |
342 | ||
343 | if (!nincludes) | |
344 | return 1; /* filter not enabled, device is included */ | |
345 | ||
7e786eca KZ |
346 | for (i = 0; i < nincludes; i++) { |
347 | if (includes[i] == maj) { | |
348 | DBG(FILTER, ul_debug("include: maj=%d", maj)); | |
2ef4e8ba | 349 | return 1; |
7e786eca KZ |
350 | } |
351 | } | |
2ef4e8ba KZ |
352 | return 0; |
353 | } | |
354 | ||
2a4c734b MB |
355 | /* array with IDs of enabled columns */ |
356 | static int get_column_id(int num) | |
357 | { | |
40b17508 KZ |
358 | assert(num >= 0); |
359 | assert((size_t) num < ncolumns); | |
b6327c6f | 360 | assert(columns[num] < (int) ARRAY_SIZE(infos)); |
2a4c734b MB |
361 | return columns[num]; |
362 | } | |
363 | ||
364 | static struct colinfo *get_column_info(int num) | |
365 | { | |
366 | return &infos[ get_column_id(num) ]; | |
367 | } | |
368 | ||
2a4c734b MB |
369 | static int column_name_to_id(const char *name, size_t namesz) |
370 | { | |
507d39c2 | 371 | size_t i; |
2a4c734b | 372 | |
03df0d11 | 373 | for (i = 0; i < ARRAY_SIZE(infos); i++) { |
2a4c734b MB |
374 | const char *cn = infos[i].name; |
375 | ||
376 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
377 | return i; | |
378 | } | |
379 | warnx(_("unknown column: %s"), name); | |
380 | return -1; | |
381 | } | |
382 | ||
642048e4 KZ |
383 | static int column_id_to_number(int id) |
384 | { | |
385 | size_t i; | |
386 | ||
40b17508 | 387 | for (i = 0; i < ncolumns; i++) |
642048e4 KZ |
388 | if (columns[i] == id) |
389 | return i; | |
390 | return -1; | |
391 | } | |
392 | ||
2a4c734b MB |
393 | static void reset_blkdev_cxt(struct blkdev_cxt *cxt) |
394 | { | |
395 | if (!cxt) | |
396 | return; | |
7e786eca KZ |
397 | |
398 | DBG(CXT, ul_debugobj(cxt, "reset")); | |
399 | ||
2a4c734b MB |
400 | free(cxt->name); |
401 | free(cxt->dm_name); | |
402 | free(cxt->filename); | |
403 | free(cxt->fstype); | |
404 | free(cxt->uuid); | |
1b06b33d MB |
405 | free(cxt->ptuuid); |
406 | free(cxt->pttype); | |
2a4c734b | 407 | free(cxt->label); |
4686ba17 | 408 | free(cxt->parttype); |
aa0903e0 KZ |
409 | free(cxt->partuuid); |
410 | free(cxt->partlabel); | |
88ca32b3 | 411 | free(cxt->wwn); |
460c7afb | 412 | free(cxt->serial); |
2a4c734b | 413 | |
f153614c | 414 | ul_unref_path(cxt->sysfs); |
2a4c734b MB |
415 | |
416 | memset(cxt, 0, sizeof(*cxt)); | |
417 | } | |
418 | ||
419 | static int is_dm(const char *name) | |
420 | { | |
421 | return strncmp(name, "dm-", 3) ? 0 : 1; | |
422 | } | |
423 | ||
424 | static struct dirent *xreaddir(DIR *dp) | |
425 | { | |
426 | struct dirent *d; | |
427 | ||
428 | assert(dp); | |
429 | ||
430 | while ((d = readdir(dp))) { | |
431 | if (!strcmp(d->d_name, ".") || | |
432 | !strcmp(d->d_name, "..")) | |
433 | continue; | |
434 | ||
435 | /* blacklist here? */ | |
436 | break; | |
437 | } | |
438 | return d; | |
439 | } | |
440 | ||
2a4c734b MB |
441 | static char *get_device_path(struct blkdev_cxt *cxt) |
442 | { | |
443 | char path[PATH_MAX]; | |
444 | ||
445 | assert(cxt); | |
446 | assert(cxt->name); | |
447 | ||
448 | if (is_dm(cxt->name)) | |
5a89aa99 | 449 | return __canonicalize_dm_name(lsblk->sysroot, cxt->name); |
2a4c734b MB |
450 | |
451 | snprintf(path, sizeof(path), "/dev/%s", cxt->name); | |
92441d5c | 452 | sysfs_devname_sys_to_dev(path); |
2a4c734b MB |
453 | return xstrdup(path); |
454 | } | |
455 | ||
1cd9d0d7 KZ |
456 | static int table_parser_errcb(struct libmnt_table *tb __attribute__((__unused__)), |
457 | const char *filename, int line) | |
458 | { | |
459 | if (filename) | |
b779c1ae | 460 | warnx(_("%s: parse error at line %d -- ignored"), filename, line); |
1cd9d0d7 KZ |
461 | return 1; |
462 | } | |
463 | ||
9554f7ab KZ |
464 | static int is_active_swap(const char *filename) |
465 | { | |
466 | if (!swaps) { | |
467 | swaps = mnt_new_table(); | |
468 | if (!swaps) | |
469 | return 0; | |
470 | if (!mntcache) | |
471 | mntcache = mnt_new_cache(); | |
472 | ||
1cd9d0d7 | 473 | mnt_table_set_parser_errcb(swaps, table_parser_errcb); |
9554f7ab | 474 | mnt_table_set_cache(swaps, mntcache); |
caf1b443 KZ |
475 | |
476 | if (!lsblk->sysroot) | |
477 | mnt_table_parse_swaps(swaps, NULL); | |
478 | else { | |
479 | char buf[PATH_MAX]; | |
480 | snprintf(buf, sizeof(buf), "%s" _PATH_PROC_SWAPS, lsblk->sysroot); | |
481 | mnt_table_parse_swaps(swaps, buf); | |
482 | } | |
9554f7ab KZ |
483 | } |
484 | ||
87918040 | 485 | return mnt_table_find_srcpath(swaps, filename, MNT_ITER_BACKWARD) != NULL; |
9554f7ab KZ |
486 | } |
487 | ||
2a4c734b MB |
488 | static char *get_device_mountpoint(struct blkdev_cxt *cxt) |
489 | { | |
9554f7ab KZ |
490 | struct libmnt_fs *fs; |
491 | const char *fsroot; | |
2a4c734b | 492 | |
270e66ec MB |
493 | assert(cxt); |
494 | assert(cxt->filename); | |
495 | ||
9554f7ab KZ |
496 | if (!mtab) { |
497 | mtab = mnt_new_table(); | |
498 | if (!mtab) | |
499 | return NULL; | |
500 | if (!mntcache) | |
501 | mntcache = mnt_new_cache(); | |
2a4c734b | 502 | |
1cd9d0d7 | 503 | mnt_table_set_parser_errcb(mtab, table_parser_errcb); |
9554f7ab | 504 | mnt_table_set_cache(mtab, mntcache); |
caf1b443 KZ |
505 | |
506 | if (!lsblk->sysroot) | |
507 | mnt_table_parse_mtab(mtab, NULL); | |
508 | else { | |
509 | char buf[PATH_MAX]; | |
510 | snprintf(buf, sizeof(buf), "%s" _PATH_PROC_MOUNTINFO, lsblk->sysroot); | |
511 | mnt_table_parse_mtab(mtab, buf); | |
512 | } | |
2a4c734b | 513 | } |
9554f7ab | 514 | |
9e930041 | 515 | /* Note that maj:min in /proc/self/mountinfo does not have to match with |
da531dd8 KZ |
516 | * devno as returned by stat(), so we have to try devname too |
517 | */ | |
518 | fs = mnt_table_find_devno(mtab, makedev(cxt->maj, cxt->min), MNT_ITER_BACKWARD); | |
519 | if (!fs) | |
520 | fs = mnt_table_find_srcpath(mtab, cxt->filename, MNT_ITER_BACKWARD); | |
9554f7ab KZ |
521 | if (!fs) |
522 | return is_active_swap(cxt->filename) ? xstrdup("[SWAP]") : NULL; | |
523 | ||
524 | /* found */ | |
525 | fsroot = mnt_fs_get_root(fs); | |
526 | if (fsroot && strcmp(fsroot, "/") != 0) { | |
527 | /* hmm.. we found bind mount or btrfs subvolume, let's try to | |
528 | * get real FS root mountpoint */ | |
529 | struct libmnt_fs *rfs; | |
530 | struct libmnt_iter *itr = mnt_new_iter(MNT_ITER_BACKWARD); | |
531 | ||
532 | mnt_table_set_iter(mtab, itr, fs); | |
533 | while (mnt_table_next_fs(mtab, itr, &rfs) == 0) { | |
534 | fsroot = mnt_fs_get_root(rfs); | |
535 | if ((!fsroot || strcmp(fsroot, "/") == 0) | |
536 | && mnt_fs_match_source(rfs, cxt->filename, mntcache)) { | |
537 | fs = rfs; | |
538 | break; | |
539 | } | |
540 | } | |
541 | mnt_free_iter(itr); | |
542 | } | |
543 | ||
7e786eca | 544 | DBG(DEV, ul_debugobj(cxt, "mountpoint: %s", mnt_fs_get_target(fs))); |
9554f7ab | 545 | return xstrdup(mnt_fs_get_target(fs)); |
2a4c734b MB |
546 | } |
547 | ||
f17f5f48 | 548 | #ifndef HAVE_LIBUDEV |
88ca32b3 | 549 | static int get_udev_properties(struct blkdev_cxt *cxt |
f17f5f48 IM |
550 | __attribute__((__unused__))) |
551 | { | |
552 | return -1; | |
553 | } | |
554 | #else | |
88ca32b3 | 555 | static int get_udev_properties(struct blkdev_cxt *cxt) |
f17f5f48 | 556 | { |
f17f5f48 IM |
557 | struct udev_device *dev; |
558 | ||
88ca32b3 KZ |
559 | if (cxt->probed) |
560 | return 0; /* already done */ | |
561 | ||
d44e3391 KZ |
562 | if (!udev) |
563 | udev = udev_new(); | |
f17f5f48 IM |
564 | if (!udev) |
565 | return -1; | |
566 | ||
567 | dev = udev_device_new_from_subsystem_sysname(udev, "block", cxt->name); | |
568 | if (dev) { | |
569 | const char *data; | |
570 | ||
88ca32b3 | 571 | if ((data = udev_device_get_property_value(dev, "ID_FS_LABEL_ENC"))) { |
f17f5f48 | 572 | cxt->label = xstrdup(data); |
d324270e KZ |
573 | unhexmangle_string(cxt->label); |
574 | } | |
88ca32b3 | 575 | if ((data = udev_device_get_property_value(dev, "ID_FS_UUID_ENC"))) { |
f17f5f48 | 576 | cxt->uuid = xstrdup(data); |
88ca32b3 KZ |
577 | unhexmangle_string(cxt->uuid); |
578 | } | |
1b06b33d MB |
579 | if ((data = udev_device_get_property_value(dev, "ID_PART_TABLE_UUID"))) |
580 | cxt->ptuuid = xstrdup(data); | |
581 | if ((data = udev_device_get_property_value(dev, "ID_PART_TABLE_TYPE"))) | |
582 | cxt->pttype = xstrdup(data); | |
d324270e | 583 | if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_NAME"))) { |
aa0903e0 | 584 | cxt->partlabel = xstrdup(data); |
d324270e KZ |
585 | unhexmangle_string(cxt->partlabel); |
586 | } | |
88ca32b3 KZ |
587 | if ((data = udev_device_get_property_value(dev, "ID_FS_TYPE"))) |
588 | cxt->fstype = xstrdup(data); | |
4686ba17 MM |
589 | if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_TYPE"))) |
590 | cxt->parttype = xstrdup(data); | |
88ca32b3 KZ |
591 | if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_UUID"))) |
592 | cxt->partuuid = xstrdup(data); | |
5a2fd932 KZ |
593 | if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_FLAGS"))) |
594 | cxt->partflags = xstrdup(data); | |
4d7ef267 KZ |
595 | |
596 | data = udev_device_get_property_value(dev, "ID_WWN_WITH_EXTENSION"); | |
597 | if (!data) | |
598 | data = udev_device_get_property_value(dev, "ID_WWN"); | |
599 | if (data) | |
88ca32b3 | 600 | cxt->wwn = xstrdup(data); |
4d7ef267 | 601 | |
460c7afb KZ |
602 | if ((data = udev_device_get_property_value(dev, "ID_SERIAL_SHORT"))) |
603 | cxt->serial = xstrdup(data); | |
f17f5f48 | 604 | udev_device_unref(dev); |
88ca32b3 | 605 | cxt->probed = 1; |
7e786eca | 606 | DBG(DEV, ul_debugobj(cxt, "%s: found udev properties", cxt->name)); |
f17f5f48 IM |
607 | } |
608 | ||
88ca32b3 KZ |
609 | return cxt->probed == 1 ? 0 : -1; |
610 | ||
f17f5f48 IM |
611 | } |
612 | #endif /* HAVE_LIBUDEV */ | |
613 | ||
2a4c734b MB |
614 | static void probe_device(struct blkdev_cxt *cxt) |
615 | { | |
2a4c734b MB |
616 | blkid_probe pr = NULL; |
617 | ||
618 | if (cxt->probed) | |
619 | return; | |
f17f5f48 | 620 | |
2a4c734b MB |
621 | if (!cxt->size) |
622 | return; | |
623 | ||
f17f5f48 | 624 | /* try udev DB */ |
88ca32b3 | 625 | if (get_udev_properties(cxt) == 0) |
f17f5f48 IM |
626 | return; /* success */ |
627 | ||
88ca32b3 KZ |
628 | cxt->probed = 1; |
629 | ||
630 | /* try libblkid (fallback) */ | |
631 | if (getuid() != 0) | |
632 | return; /* no permissions to read from the device */ | |
633 | ||
2a4c734b MB |
634 | pr = blkid_new_probe_from_filename(cxt->filename); |
635 | if (!pr) | |
636 | return; | |
637 | ||
2a4c734b MB |
638 | blkid_probe_enable_superblocks(pr, 1); |
639 | blkid_probe_set_superblocks_flags(pr, BLKID_SUBLKS_LABEL | | |
640 | BLKID_SUBLKS_UUID | | |
641 | BLKID_SUBLKS_TYPE); | |
aa0903e0 KZ |
642 | blkid_probe_enable_partitions(pr, 1); |
643 | blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS); | |
644 | ||
2a4c734b MB |
645 | if (!blkid_do_safeprobe(pr)) { |
646 | const char *data = NULL; | |
647 | ||
648 | if (!blkid_probe_lookup_value(pr, "TYPE", &data, NULL)) | |
649 | cxt->fstype = xstrdup(data); | |
650 | if (!blkid_probe_lookup_value(pr, "UUID", &data, NULL)) | |
651 | cxt->uuid = xstrdup(data); | |
1b06b33d MB |
652 | if (!blkid_probe_lookup_value(pr, "PTUUID", &data, NULL)) |
653 | cxt->ptuuid = xstrdup(data); | |
654 | if (!blkid_probe_lookup_value(pr, "PTTYPE", &data, NULL)) | |
655 | cxt->pttype = xstrdup(data); | |
2a4c734b MB |
656 | if (!blkid_probe_lookup_value(pr, "LABEL", &data, NULL)) |
657 | cxt->label = xstrdup(data); | |
4686ba17 MM |
658 | if (!blkid_probe_lookup_value(pr, "PART_ENTRY_TYPE", &data, NULL)) |
659 | cxt->parttype = xstrdup(data); | |
aa0903e0 KZ |
660 | if (!blkid_probe_lookup_value(pr, "PART_ENTRY_UUID", &data, NULL)) |
661 | cxt->partuuid = xstrdup(data); | |
662 | if (!blkid_probe_lookup_value(pr, "PART_ENTRY_NAME", &data, NULL)) | |
663 | cxt->partlabel = xstrdup(data); | |
5a2fd932 KZ |
664 | if (!blkid_probe_lookup_value(pr, "PART_ENTRY_FLAGS", &data, NULL)) |
665 | cxt->partflags = xstrdup(data); | |
7e786eca | 666 | DBG(DEV, ul_debugobj(cxt, "%s: found blkid properties", cxt->name)); |
2a4c734b MB |
667 | } |
668 | ||
2a4c734b MB |
669 | blkid_free_probe(pr); |
670 | return; | |
671 | } | |
672 | ||
673 | static int is_readonly_device(struct blkdev_cxt *cxt) | |
674 | { | |
675 | int fd, ro = 0; | |
676 | ||
f153614c | 677 | if (ul_path_scanf(cxt->sysfs, "ro", "%d", &ro) == 1) |
2a4c734b MB |
678 | return ro; |
679 | ||
680 | /* fallback if "ro" attribute does not exist */ | |
681 | fd = open(cxt->filename, O_RDONLY); | |
682 | if (fd != -1) { | |
9c53a49c KZ |
683 | if (ioctl(fd, BLKROGET, &ro) != 0) |
684 | ro = 0; | |
2a4c734b MB |
685 | close(fd); |
686 | } | |
687 | return ro; | |
688 | } | |
689 | ||
690 | static char *get_scheduler(struct blkdev_cxt *cxt) | |
691 | { | |
f153614c | 692 | char buf[128]; |
2a4c734b MB |
693 | char *p, *res = NULL; |
694 | ||
f153614c | 695 | if (ul_path_read_buffer(cxt->sysfs, buf, sizeof(buf), "queue/scheduler")) |
2a4c734b | 696 | return NULL; |
f153614c | 697 | p = strchr(buf, '['); |
2a4c734b MB |
698 | if (p) { |
699 | res = p + 1; | |
700 | p = strchr(res, ']'); | |
701 | if (p) { | |
702 | *p = '\0'; | |
703 | res = xstrdup(res); | |
704 | } else | |
705 | res = NULL; | |
706 | } | |
2a4c734b MB |
707 | return res; |
708 | } | |
709 | ||
18eac5ba MB |
710 | static char *get_type(struct blkdev_cxt *cxt) |
711 | { | |
712 | char *res = NULL, *p; | |
713 | ||
714 | if (is_dm(cxt->name)) { | |
f153614c | 715 | char *dm_uuid = NULL; |
18eac5ba MB |
716 | |
717 | /* The DM_UUID prefix should be set to subsystem owning | |
718 | * the device - LVM, CRYPT, DMRAID, MPATH, PART */ | |
f153614c KZ |
719 | if (ul_path_read_string(cxt->sysfs, &dm_uuid, "dm/uuid") == 0 |
720 | && dm_uuid) { | |
18eac5ba MB |
721 | char *tmp = dm_uuid; |
722 | char *dm_uuid_prefix = strsep(&tmp, "-"); | |
723 | ||
724 | if (dm_uuid_prefix) { | |
725 | /* kpartx hack to remove partition number */ | |
726 | if (strncasecmp(dm_uuid_prefix, "part", 4) == 0) | |
727 | dm_uuid_prefix[4] = '\0'; | |
728 | ||
729 | res = xstrdup(dm_uuid_prefix); | |
730 | } | |
731 | } | |
732 | ||
733 | free(dm_uuid); | |
734 | if (!res) | |
735 | /* No UUID or no prefix - just mark it as DM device */ | |
736 | res = xstrdup("dm"); | |
737 | ||
738 | } else if (!strncmp(cxt->name, "loop", 4)) { | |
739 | res = xstrdup("loop"); | |
740 | ||
741 | } else if (!strncmp(cxt->name, "md", 2)) { | |
f153614c KZ |
742 | char *md_level = NULL; |
743 | ||
744 | ul_path_read_string(cxt->sysfs, &md_level, "md/level"); | |
18eac5ba MB |
745 | res = md_level ? md_level : xstrdup("md"); |
746 | ||
747 | } else { | |
8d687180 | 748 | const char *type = NULL; |
90e9fcda | 749 | int x = 0; |
9d738ff8 | 750 | |
f153614c | 751 | if (ul_path_read_s32(cxt->sysfs, &x, "device/type") == 0) |
8d687180 | 752 | type = blkdev_scsi_type_to_name(x); |
9d738ff8 KZ |
753 | if (!type) |
754 | type = cxt->partition ? "part" : "disk"; | |
755 | res = xstrdup(type); | |
18eac5ba MB |
756 | } |
757 | ||
758 | for (p = res; p && *p; p++) | |
759 | *p = tolower((unsigned char) *p); | |
760 | return res; | |
761 | } | |
762 | ||
a5fb4d23 MB |
763 | /* Thanks to lsscsi code for idea of detection logic used here */ |
764 | static char *get_transport(struct blkdev_cxt *cxt) | |
765 | { | |
f153614c | 766 | struct path_cxt *sysfs = cxt->sysfs; |
2f2f7e80 KZ |
767 | char *attr = NULL; |
768 | const char *trans = NULL; | |
a5fb4d23 | 769 | |
f153614c | 770 | |
28ffc2b7 | 771 | /* SCSI - Serial Peripheral Interface */ |
f153614c | 772 | if (sysfs_blkdev_scsi_host_is(sysfs, "spi")) |
2f2f7e80 | 773 | trans = "spi"; |
a5fb4d23 MB |
774 | |
775 | /* FC/FCoE - Fibre Channel / Fibre Channel over Ethernet */ | |
f153614c KZ |
776 | else if (sysfs_blkdev_scsi_host_is(sysfs, "fc")) { |
777 | attr = sysfs_blkdev_scsi_host_strdup_attribute(sysfs, "fc", "symbolic_name"); | |
23a11c74 | 778 | if (!attr) |
a5fb4d23 | 779 | return NULL; |
2f2f7e80 KZ |
780 | trans = strstr(attr, " over ") ? "fcoe" : "fc"; |
781 | free(attr); | |
a5fb4d23 MB |
782 | } |
783 | ||
784 | /* SAS - Serial Attached SCSI */ | |
f153614c KZ |
785 | else if (sysfs_blkdev_scsi_host_is(sysfs, "sas") || |
786 | sysfs_blkdev_scsi_has_attribute(sysfs, "sas_device")) | |
2f2f7e80 | 787 | trans = "sas"; |
a5fb4d23 | 788 | |
a5fb4d23 MB |
789 | |
790 | /* SBP - Serial Bus Protocol (FireWire) */ | |
f153614c | 791 | else if (sysfs_blkdev_scsi_has_attribute(sysfs, "ieee1394_id")) |
2f2f7e80 | 792 | trans = "sbp"; |
a5fb4d23 MB |
793 | |
794 | /* iSCSI */ | |
f153614c | 795 | else if (sysfs_blkdev_scsi_host_is(sysfs, "iscsi")) |
2f2f7e80 | 796 | trans ="iscsi"; |
a5fb4d23 MB |
797 | |
798 | /* USB - Universal Serial Bus */ | |
f153614c | 799 | else if (sysfs_blkdev_scsi_path_contains(sysfs, "usb")) |
2f2f7e80 | 800 | trans = "usb"; |
a5fb4d23 MB |
801 | |
802 | /* ATA, SATA */ | |
f153614c KZ |
803 | else if (sysfs_blkdev_scsi_host_is(sysfs, "scsi")) { |
804 | attr = sysfs_blkdev_scsi_host_strdup_attribute(sysfs, "scsi", "proc_name"); | |
23a11c74 | 805 | if (!attr) |
a5fb4d23 | 806 | return NULL; |
2f2f7e80 KZ |
807 | if (!strncmp(attr, "ahci", 4) || !strncmp(attr, "sata", 4)) |
808 | trans = "sata"; | |
809 | else if (strstr(attr, "ata")) | |
810 | trans = "ata"; | |
811 | free(attr); | |
3d305170 KZ |
812 | |
813 | } else if (strncmp(cxt->name, "nvme", 4) == 0) | |
814 | trans = "nvme"; | |
a5fb4d23 | 815 | |
2f2f7e80 | 816 | return trans ? xstrdup(trans) : NULL; |
a5fb4d23 MB |
817 | } |
818 | ||
7f14ee1b KZ |
819 | static char *get_subsystems(struct blkdev_cxt *cxt) |
820 | { | |
821 | char path[PATH_MAX]; | |
822 | char *sub, *chain, *res = NULL; | |
823 | size_t len = 0, last = 0; | |
824 | ||
f153614c | 825 | chain = sysfs_blkdev_get_devchain(cxt->sysfs, path, sizeof(path)); |
7f14ee1b KZ |
826 | if (!chain) |
827 | return NULL; | |
828 | ||
f153614c | 829 | while (sysfs_blkdev_next_subsystem(cxt->sysfs, chain, &sub) == 0) { |
7f14ee1b KZ |
830 | size_t sz; |
831 | ||
832 | /* don't create "block:scsi:scsi", but "block:scsi" */ | |
56e78cb5 AH |
833 | if (len && strcmp(res + last, sub) == 0) { |
834 | free(sub); | |
7f14ee1b | 835 | continue; |
56e78cb5 | 836 | } |
7f14ee1b KZ |
837 | |
838 | sz = strlen(sub); | |
839 | res = xrealloc(res, len + sz + 2); | |
840 | if (len) | |
841 | res[len++] = ':'; | |
842 | ||
843 | memcpy(res + len, sub, sz + 1); | |
844 | last = len; | |
845 | len += sz; | |
846 | free(sub); | |
847 | } | |
848 | ||
849 | return res; | |
850 | } | |
851 | ||
852 | ||
9bd4e5c0 | 853 | #define is_parsable(_l) (scols_table_is_raw((_l)->table) || \ |
4a102a48 KZ |
854 | scols_table_is_export((_l)->table) || \ |
855 | scols_table_is_json((_l)->table)) | |
7c9c872c | 856 | |
c7e76cd1 KZ |
857 | static char *mk_name(const char *name) |
858 | { | |
859 | char *p; | |
860 | if (!name) | |
861 | return NULL; | |
862 | if (lsblk->paths) | |
863 | xasprintf(&p, "/dev/%s", name); | |
864 | else | |
865 | p = xstrdup(name); | |
92441d5c KZ |
866 | if (p) |
867 | sysfs_devname_sys_to_dev(p); | |
c7e76cd1 KZ |
868 | return p; |
869 | } | |
870 | ||
871 | static char *mk_dm_name(const char *name) | |
872 | { | |
873 | char *p; | |
874 | if (!name) | |
875 | return NULL; | |
876 | if (lsblk->paths) | |
877 | xasprintf(&p, "/dev/mapper/%s", name); | |
878 | else | |
879 | p = xstrdup(name); | |
880 | return p; | |
881 | } | |
882 | ||
642048e4 KZ |
883 | /* stores data to scols cell userdata (invisible and independent on output) |
884 | * to make the original values accessible for sort functions | |
885 | */ | |
886 | static void set_sortdata_u64(struct libscols_line *ln, int col, uint64_t x) | |
887 | { | |
888 | struct libscols_cell *ce = scols_line_get_cell(ln, col); | |
889 | uint64_t *data; | |
890 | ||
891 | if (!ce) | |
892 | return; | |
893 | data = xmalloc(sizeof(uint64_t)); | |
894 | *data = x; | |
895 | scols_cell_set_userdata(ce, data); | |
896 | } | |
897 | ||
898 | static void set_sortdata_u64_from_string(struct libscols_line *ln, int col, const char *str) | |
899 | { | |
900 | uint64_t x; | |
901 | ||
902 | if (!str || sscanf(str, "%"SCNu64, &x) != 1) | |
903 | return; | |
904 | ||
905 | set_sortdata_u64(ln, col, x); | |
906 | } | |
907 | ||
908 | static void unref_sortdata(struct libscols_table *tb) | |
909 | { | |
910 | struct libscols_iter *itr; | |
911 | struct libscols_line *ln; | |
912 | ||
913 | if (!tb || !lsblk->sort_col) | |
914 | return; | |
915 | itr = scols_new_iter(SCOLS_ITER_FORWARD); | |
916 | if (!itr) | |
917 | return; | |
918 | while (scols_table_next_line(tb, itr, &ln) == 0) { | |
919 | struct libscols_cell *ce = scols_line_get_column_cell(ln, | |
920 | lsblk->sort_col); | |
921 | void *data = scols_cell_get_userdata(ce); | |
922 | free(data); | |
923 | } | |
924 | ||
925 | scols_free_iter(itr); | |
926 | } | |
927 | ||
9bd4e5c0 | 928 | static void set_scols_data(struct blkdev_cxt *cxt, int col, int id, struct libscols_line *ln) |
2a4c734b | 929 | { |
642048e4 | 930 | int sort = 0, st_rc = 0; |
bb6e822a | 931 | char *str = NULL; |
2a4c734b MB |
932 | |
933 | if (!cxt->st.st_rdev && (id == COL_OWNER || id == COL_GROUP || | |
934 | id == COL_MODE)) | |
1dc42eb6 | 935 | st_rc = stat(cxt->filename, &cxt->st); |
2a4c734b | 936 | |
642048e4 KZ |
937 | if (lsblk->sort_id == id) |
938 | sort = 1; | |
939 | ||
2a4c734b MB |
940 | switch(id) { |
941 | case COL_NAME: | |
bb6e822a | 942 | str = cxt->dm_name ? mk_dm_name(cxt->dm_name) : mk_name(cxt->name); |
c7e76cd1 | 943 | break; |
2a4c734b | 944 | case COL_KNAME: |
bb6e822a | 945 | str = mk_name(cxt->name); |
2a4c734b | 946 | break; |
310c0603 MB |
947 | case COL_PKNAME: |
948 | if (cxt->parent) | |
bb6e822a | 949 | str = mk_name(cxt->parent->name); |
310c0603 | 950 | break; |
2a4c734b MB |
951 | case COL_OWNER: |
952 | { | |
1dc42eb6 | 953 | struct passwd *pw = st_rc ? NULL : getpwuid(cxt->st.st_uid); |
2a4c734b | 954 | if (pw) |
bb6e822a | 955 | str = xstrdup(pw->pw_name); |
2a4c734b MB |
956 | break; |
957 | } | |
958 | case COL_GROUP: | |
959 | { | |
1dc42eb6 | 960 | struct group *gr = st_rc ? NULL : getgrgid(cxt->st.st_gid); |
2a4c734b | 961 | if (gr) |
bb6e822a | 962 | str = xstrdup(gr->gr_name); |
2a4c734b MB |
963 | break; |
964 | } | |
965 | case COL_MODE: | |
966 | { | |
967 | char md[11]; | |
1dc42eb6 KZ |
968 | |
969 | if (!st_rc) { | |
b0b24b11 | 970 | xstrmode(cxt->st.st_mode, md); |
bb6e822a | 971 | str = xstrdup(md); |
1dc42eb6 | 972 | } |
2a4c734b MB |
973 | break; |
974 | } | |
975 | case COL_MAJMIN: | |
7c9c872c | 976 | if (is_parsable(lsblk)) |
bb6e822a | 977 | xasprintf(&str, "%u:%u", cxt->maj, cxt->min); |
2a4c734b | 978 | else |
bb6e822a | 979 | xasprintf(&str, "%3u:%-3u", cxt->maj, cxt->min); |
642048e4 KZ |
980 | if (sort) |
981 | set_sortdata_u64(ln, col, makedev(cxt->maj, cxt->min)); | |
2a4c734b MB |
982 | break; |
983 | case COL_FSTYPE: | |
984 | probe_device(cxt); | |
985 | if (cxt->fstype) | |
bb6e822a | 986 | str = xstrdup(cxt->fstype); |
2a4c734b MB |
987 | break; |
988 | case COL_TARGET: | |
c49ff158 | 989 | str = get_device_mountpoint(cxt); |
2a4c734b MB |
990 | break; |
991 | case COL_LABEL: | |
992 | probe_device(cxt); | |
bb6e822a KZ |
993 | if (cxt->label) |
994 | str = xstrdup(cxt->label); | |
2a4c734b MB |
995 | break; |
996 | case COL_UUID: | |
997 | probe_device(cxt); | |
998 | if (cxt->uuid) | |
bb6e822a | 999 | str = xstrdup(cxt->uuid); |
2a4c734b | 1000 | break; |
1b06b33d MB |
1001 | case COL_PTUUID: |
1002 | probe_device(cxt); | |
1003 | if (cxt->ptuuid) | |
1004 | str = xstrdup(cxt->ptuuid); | |
1005 | break; | |
1006 | case COL_PTTYPE: | |
1007 | probe_device(cxt); | |
1008 | if (cxt->pttype) | |
1009 | str = xstrdup(cxt->pttype); | |
1010 | break; | |
4686ba17 MM |
1011 | case COL_PARTTYPE: |
1012 | probe_device(cxt); | |
1013 | if (cxt->parttype) | |
bb6e822a | 1014 | str = xstrdup(cxt->parttype); |
4686ba17 | 1015 | break; |
aa0903e0 KZ |
1016 | case COL_PARTLABEL: |
1017 | probe_device(cxt); | |
bb6e822a KZ |
1018 | if (cxt->partlabel) |
1019 | str = xstrdup(cxt->partlabel); | |
aa0903e0 KZ |
1020 | break; |
1021 | case COL_PARTUUID: | |
1022 | probe_device(cxt); | |
742b877b | 1023 | if (cxt->partuuid) |
bb6e822a | 1024 | str = xstrdup(cxt->partuuid); |
aa0903e0 | 1025 | break; |
5a2fd932 KZ |
1026 | case COL_PARTFLAGS: |
1027 | probe_device(cxt); | |
1028 | if (cxt->partflags) | |
bb6e822a | 1029 | str = xstrdup(cxt->partflags); |
5a2fd932 | 1030 | break; |
88ca32b3 KZ |
1031 | case COL_WWN: |
1032 | get_udev_properties(cxt); | |
1033 | if (cxt->wwn) | |
bb6e822a | 1034 | str = xstrdup(cxt->wwn); |
88ca32b3 | 1035 | break; |
150db7a9 | 1036 | case COL_RA: |
f153614c | 1037 | ul_path_read_string(cxt->sysfs, &str, "queue/read_ahead_kb"); |
642048e4 KZ |
1038 | if (sort) |
1039 | set_sortdata_u64_from_string(ln, col, str); | |
150db7a9 | 1040 | break; |
2a4c734b | 1041 | case COL_RO: |
bb6e822a | 1042 | str = xstrdup(is_readonly_device(cxt) ? "1" : "0"); |
2a4c734b | 1043 | break; |
627970a7 | 1044 | case COL_RM: |
f153614c KZ |
1045 | ul_path_read_string(cxt->sysfs, &str, "removable"); |
1046 | if (!str && sysfs_blkdev_get_parent(cxt->sysfs)) | |
1047 | ul_path_read_string(sysfs_blkdev_get_parent(cxt->sysfs), | |
1048 | &str, | |
1049 | "removable"); | |
2a4c734b | 1050 | break; |
483987c2 | 1051 | case COL_HOTPLUG: |
f153614c | 1052 | str = sysfs_blkdev_is_hotpluggable(cxt->sysfs) ? xstrdup("1") : xstrdup("0"); |
483987c2 | 1053 | break; |
2a4c734b | 1054 | case COL_ROTA: |
f153614c | 1055 | ul_path_read_string(cxt->sysfs, &str, "queue/rotational"); |
2a4c734b | 1056 | break; |
12b06c3d | 1057 | case COL_RAND: |
f153614c | 1058 | ul_path_read_string(cxt->sysfs, &str, "queue/add_random"); |
12b06c3d | 1059 | break; |
2a4c734b | 1060 | case COL_MODEL: |
bb6e822a | 1061 | if (!cxt->partition && cxt->nslaves == 0) |
f153614c | 1062 | ul_path_read_string(cxt->sysfs, &str, "device/model"); |
d6681cee | 1063 | break; |
460c7afb KZ |
1064 | case COL_SERIAL: |
1065 | if (!cxt->partition && cxt->nslaves == 0) { | |
1066 | get_udev_properties(cxt); | |
1067 | if (cxt->serial) | |
bb6e822a | 1068 | str = xstrdup(cxt->serial); |
3d305170 | 1069 | else |
f153614c | 1070 | ul_path_read_string(cxt->sysfs, &str, "device/serial"); |
460c7afb KZ |
1071 | } |
1072 | break; | |
d6681cee | 1073 | case COL_REV: |
bb6e822a | 1074 | if (!cxt->partition && cxt->nslaves == 0) |
f153614c | 1075 | ul_path_read_string(cxt->sysfs, &str, "device/rev"); |
99f43b72 MB |
1076 | break; |
1077 | case COL_VENDOR: | |
bb6e822a | 1078 | if (!cxt->partition && cxt->nslaves == 0) |
f153614c | 1079 | ul_path_read_string(cxt->sysfs, &str, "device/vendor"); |
2a4c734b MB |
1080 | break; |
1081 | case COL_SIZE: | |
bb6e822a KZ |
1082 | if (!cxt->size) |
1083 | break; | |
1084 | if (lsblk->bytes) | |
95fb0ead | 1085 | xasprintf(&str, "%ju", cxt->size); |
bb6e822a KZ |
1086 | else |
1087 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, cxt->size); | |
642048e4 KZ |
1088 | if (sort) |
1089 | set_sortdata_u64(ln, col, cxt->size); | |
2a4c734b | 1090 | break; |
01e487c0 | 1091 | case COL_STATE: |
bb6e822a | 1092 | if (!cxt->partition && !cxt->dm_name) |
f153614c | 1093 | ul_path_read_string(cxt->sysfs, &str, "device/state"); |
bb6e822a | 1094 | else if (cxt->dm_name) { |
01e487c0 | 1095 | int x = 0; |
f153614c | 1096 | if (ul_path_read_s32(cxt->sysfs, &x, "dm/suspended") == 0) |
bb6e822a | 1097 | str = xstrdup(x ? "suspended" : "running"); |
01e487c0 | 1098 | } |
01e487c0 | 1099 | break; |
2a4c734b | 1100 | case COL_ALIOFF: |
f153614c | 1101 | ul_path_read_string(cxt->sysfs, &str, "alignment_offset"); |
642048e4 KZ |
1102 | if (sort) |
1103 | set_sortdata_u64_from_string(ln, col, str); | |
2a4c734b MB |
1104 | break; |
1105 | case COL_MINIO: | |
f153614c | 1106 | ul_path_read_string(cxt->sysfs, &str, "queue/minimum_io_size"); |
642048e4 KZ |
1107 | if (sort) |
1108 | set_sortdata_u64_from_string(ln, col, str); | |
2a4c734b MB |
1109 | break; |
1110 | case COL_OPTIO: | |
f153614c | 1111 | ul_path_read_string(cxt->sysfs, &str, "queue/optimal_io_size"); |
642048e4 KZ |
1112 | if (sort) |
1113 | set_sortdata_u64_from_string(ln, col, str); | |
2a4c734b MB |
1114 | break; |
1115 | case COL_PHYSEC: | |
f153614c | 1116 | ul_path_read_string(cxt->sysfs, &str, "queue/physical_block_size"); |
642048e4 KZ |
1117 | if (sort) |
1118 | set_sortdata_u64_from_string(ln, col, str); | |
2a4c734b MB |
1119 | break; |
1120 | case COL_LOGSEC: | |
f153614c | 1121 | ul_path_read_string(cxt->sysfs, &str, "queue/logical_block_size"); |
642048e4 KZ |
1122 | if (sort) |
1123 | set_sortdata_u64_from_string(ln, col, str); | |
2a4c734b MB |
1124 | break; |
1125 | case COL_SCHED: | |
bb6e822a | 1126 | str = get_scheduler(cxt); |
2a4c734b | 1127 | break; |
64c9e22a | 1128 | case COL_RQ_SIZE: |
f153614c | 1129 | ul_path_read_string(cxt->sysfs, &str, "queue/nr_requests"); |
642048e4 KZ |
1130 | if (sort) |
1131 | set_sortdata_u64_from_string(ln, col, str); | |
64c9e22a | 1132 | break; |
18eac5ba | 1133 | case COL_TYPE: |
bb6e822a | 1134 | str = get_type(cxt); |
18eac5ba | 1135 | break; |
699e5c4f MB |
1136 | case COL_HCTL: |
1137 | { | |
1138 | int h, c, t, l; | |
f153614c | 1139 | if (sysfs_blkdev_scsi_get_hctl(cxt->sysfs, &h, &c, &t, &l) == 0) |
bb6e822a | 1140 | xasprintf(&str, "%d:%d:%d:%d", h, c, t, l); |
699e5c4f MB |
1141 | break; |
1142 | } | |
a5fb4d23 | 1143 | case COL_TRANSPORT: |
bb6e822a | 1144 | str = get_transport(cxt); |
a5fb4d23 | 1145 | break; |
7f14ee1b KZ |
1146 | case COL_SUBSYS: |
1147 | str = get_subsystems(cxt); | |
1148 | break; | |
2d232246 | 1149 | case COL_DALIGN: |
bb6e822a | 1150 | if (cxt->discard) |
f153614c | 1151 | ul_path_read_string(cxt->sysfs, &str, "discard_alignment"); |
bb6e822a KZ |
1152 | if (!str) |
1153 | str = xstrdup("0"); | |
642048e4 KZ |
1154 | if (sort) |
1155 | set_sortdata_u64_from_string(ln, col, str); | |
2d232246 MP |
1156 | break; |
1157 | case COL_DGRAN: | |
642048e4 | 1158 | if (lsblk->bytes) { |
f153614c | 1159 | ul_path_read_string(cxt->sysfs, &str, "queue/discard_granularity"); |
642048e4 KZ |
1160 | if (sort) |
1161 | set_sortdata_u64_from_string(ln, col, str); | |
1162 | } else { | |
9cfe1b9c | 1163 | uint64_t x; |
f153614c | 1164 | if (ul_path_read_u64(cxt->sysfs, &x, "queue/discard_granularity") == 0) { |
bb6e822a | 1165 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); |
642048e4 KZ |
1166 | if (sort) |
1167 | set_sortdata_u64(ln, col, x); | |
1168 | } | |
9cfe1b9c | 1169 | } |
2d232246 MP |
1170 | break; |
1171 | case COL_DMAX: | |
642048e4 | 1172 | if (lsblk->bytes) { |
f153614c | 1173 | ul_path_read_string(cxt->sysfs, &str, "queue/discard_max_bytes"); |
642048e4 KZ |
1174 | if (sort) |
1175 | set_sortdata_u64_from_string(ln, col, str); | |
1176 | } else { | |
9cfe1b9c | 1177 | uint64_t x; |
f153614c | 1178 | if (ul_path_read_u64(cxt->sysfs, &x, "queue/discard_max_bytes") == 0) { |
bb6e822a | 1179 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); |
642048e4 KZ |
1180 | if (sort) |
1181 | set_sortdata_u64(ln, col, x); | |
1182 | } | |
9cfe1b9c | 1183 | } |
2d232246 MP |
1184 | break; |
1185 | case COL_DZERO: | |
bb6e822a | 1186 | if (cxt->discard) |
f153614c | 1187 | ul_path_read_string(cxt->sysfs, &str, "queue/discard_zeroes_data"); |
bb6e822a KZ |
1188 | if (!str) |
1189 | str = xstrdup("0"); | |
2d232246 | 1190 | break; |
2adb1a44 | 1191 | case COL_WSAME: |
642048e4 | 1192 | if (lsblk->bytes) { |
f153614c | 1193 | ul_path_read_string(cxt->sysfs, &str, "queue/write_same_max_bytes"); |
642048e4 KZ |
1194 | if (sort) |
1195 | set_sortdata_u64_from_string(ln, col, str); | |
1196 | } else { | |
2adb1a44 MB |
1197 | uint64_t x; |
1198 | ||
f153614c | 1199 | if (ul_path_read_u64(cxt->sysfs, &x, "queue/write_same_max_bytes") == 0) { |
bb6e822a | 1200 | str = size_to_human_string(SIZE_SUFFIX_1LETTER, x); |
642048e4 KZ |
1201 | if (sort) |
1202 | set_sortdata_u64(ln, col, x); | |
1203 | } | |
2adb1a44 | 1204 | } |
bb6e822a KZ |
1205 | if (!str) |
1206 | str = xstrdup("0"); | |
2adb1a44 | 1207 | break; |
f2df4365 | 1208 | case COL_ZONED: |
f153614c | 1209 | ul_path_read_string(cxt->sysfs, &str, "queue/zoned"); |
f2df4365 | 1210 | break; |
2a4c734b | 1211 | }; |
bb6e822a | 1212 | |
780ce22c KZ |
1213 | if (str && scols_line_refer_data(ln, col, str)) |
1214 | err(EXIT_FAILURE, _("failed to add output data")); | |
2a4c734b MB |
1215 | } |
1216 | ||
642048e4 | 1217 | static void fill_table_line(struct blkdev_cxt *cxt, struct libscols_line *scols_parent) |
2a4c734b | 1218 | { |
40b17508 | 1219 | size_t i; |
2a4c734b | 1220 | |
9bd4e5c0 OO |
1221 | cxt->scols_line = scols_table_new_line(lsblk->table, scols_parent); |
1222 | if (!cxt->scols_line) | |
780ce22c | 1223 | err(EXIT_FAILURE, _("failed to allocate output line")); |
2a4c734b MB |
1224 | |
1225 | for (i = 0; i < ncolumns; i++) | |
9bd4e5c0 | 1226 | set_scols_data(cxt, i, get_column_id(i), cxt->scols_line); |
2a4c734b MB |
1227 | } |
1228 | ||
1229 | static int set_cxt(struct blkdev_cxt *cxt, | |
1230 | struct blkdev_cxt *parent, | |
09a71aa1 PR |
1231 | struct blkdev_cxt *wholedisk, |
1232 | const char *name) | |
2a4c734b | 1233 | { |
766ab9b0 | 1234 | dev_t devno; |
2a4c734b | 1235 | |
7e786eca KZ |
1236 | DBG(CXT, ul_debugobj(cxt, "setting context for %s [parent=%p, wholedisk=%p]", |
1237 | name, parent, wholedisk)); | |
1238 | ||
2a4c734b MB |
1239 | cxt->parent = parent; |
1240 | cxt->name = xstrdup(name); | |
09a71aa1 | 1241 | cxt->partition = wholedisk != NULL; |
2a4c734b MB |
1242 | |
1243 | cxt->filename = get_device_path(cxt); | |
270e66ec | 1244 | if (!cxt->filename) { |
63107d1b | 1245 | DBG(CXT, ul_debugobj(cxt, "%s: failed to get device path", cxt->name)); |
270e66ec MB |
1246 | return -1; |
1247 | } | |
7e786eca | 1248 | DBG(CXT, ul_debugobj(cxt, "%s: filename=%s", cxt->name, cxt->filename)); |
2a4c734b | 1249 | |
ffc27623 | 1250 | devno = __sysfs_devname_to_devno(lsblk->sysroot, cxt->name, wholedisk ? wholedisk->name : NULL); |
09a71aa1 | 1251 | |
270e66ec | 1252 | if (!devno) { |
63107d1b | 1253 | DBG(CXT, ul_debugobj(cxt, "%s: unknown device name", cxt->name)); |
270e66ec MB |
1254 | return -1; |
1255 | } | |
2a4c734b | 1256 | |
09a71aa1 | 1257 | if (lsblk->inverse) { |
ffc27623 | 1258 | cxt->sysfs = ul_new_sysfs_path(devno, wholedisk ? wholedisk->sysfs : NULL, lsblk->sysroot); |
f153614c | 1259 | if (!cxt->sysfs) { |
63107d1b | 1260 | DBG(CXT, ul_debugobj(cxt, "%s: failed to initialize sysfs handler", cxt->name)); |
09a71aa1 PR |
1261 | return -1; |
1262 | } | |
1263 | if (parent) | |
f153614c | 1264 | sysfs_blkdev_set_parent(parent->sysfs, cxt->sysfs); |
09a71aa1 | 1265 | } else { |
ffc27623 | 1266 | cxt->sysfs = ul_new_sysfs_path(devno, parent ? parent->sysfs : NULL, lsblk->sysroot); |
f153614c | 1267 | if (!cxt->sysfs) { |
63107d1b | 1268 | DBG(CXT, ul_debugobj(cxt, "%s: failed to initialize sysfs handler", cxt->name)); |
09a71aa1 PR |
1269 | return -1; |
1270 | } | |
270e66ec | 1271 | } |
766ab9b0 KZ |
1272 | |
1273 | cxt->maj = major(devno); | |
1274 | cxt->min = minor(devno); | |
32c67d2c | 1275 | cxt->size = 0; |
2a4c734b | 1276 | |
f153614c | 1277 | if (ul_path_read_u64(cxt->sysfs, &cxt->size, "size") == 0) /* in sectors */ |
32c67d2c | 1278 | cxt->size <<= 9; /* in bytes */ |
90e9fcda | 1279 | |
f153614c KZ |
1280 | if (ul_path_read_s32(cxt->sysfs, &cxt->discard, |
1281 | "queue/discard_granularity") != 0) | |
65060bd0 | 1282 | cxt->discard = 0; |
2a4c734b MB |
1283 | |
1284 | /* Ignore devices of zero size */ | |
7e786eca KZ |
1285 | if (!lsblk->all_devices && cxt->size == 0) { |
1286 | DBG(CXT, ul_debugobj(cxt, "zero size device -- ignore")); | |
2a4c734b | 1287 | return -1; |
7e786eca | 1288 | } |
6c62abc4 | 1289 | if (is_dm(cxt->name)) { |
f153614c | 1290 | ul_path_read_string(cxt->sysfs, &cxt->dm_name, "dm/name"); |
270e66ec | 1291 | if (!cxt->dm_name) { |
63107d1b | 1292 | DBG(CXT, ul_debugobj(cxt, "%s: failed to get dm name", cxt->name)); |
270e66ec MB |
1293 | return -1; |
1294 | } | |
766ab9b0 | 1295 | } |
2a4c734b | 1296 | |
f153614c KZ |
1297 | cxt->npartitions = sysfs_blkdev_count_partitions(cxt->sysfs, cxt->name); |
1298 | cxt->nholders = ul_path_count_dirents(cxt->sysfs, "holders"); | |
1299 | cxt->nslaves = ul_path_count_dirents(cxt->sysfs, "slaves"); | |
2a4c734b | 1300 | |
7e786eca KZ |
1301 | DBG(CXT, ul_debugobj(cxt, "%s: npartitions=%d, nholders=%d, nslaves=%d", |
1302 | cxt->name, cxt->npartitions, cxt->nholders, cxt->nslaves)); | |
1303 | ||
28ffc2b7 | 1304 | /* ignore non-SCSI devices */ |
f153614c | 1305 | if (lsblk->scsi && sysfs_blkdev_scsi_get_hctl(cxt->sysfs, NULL, NULL, NULL, NULL)) { |
7e786eca | 1306 | DBG(CXT, ul_debugobj(cxt, "non-scsi device -- ignore")); |
28ffc2b7 | 1307 | return -1; |
7e786eca | 1308 | } |
28ffc2b7 | 1309 | |
7e786eca | 1310 | DBG(CXT, ul_debugobj(cxt, "%s: context successfully initialized", cxt->name)); |
2a4c734b MB |
1311 | return 0; |
1312 | } | |
1313 | ||
09a71aa1 PR |
1314 | static int process_blkdev(struct blkdev_cxt *cxt, struct blkdev_cxt *parent, |
1315 | int do_partitions, const char *part_name); | |
1316 | ||
2a4c734b | 1317 | /* |
09a71aa1 | 1318 | * List device partitions if any. |
2a4c734b | 1319 | */ |
09a71aa1 PR |
1320 | static int list_partitions(struct blkdev_cxt *wholedisk_cxt, struct blkdev_cxt *parent_cxt, |
1321 | const char *part_name) | |
2a4c734b MB |
1322 | { |
1323 | DIR *dir; | |
1324 | struct dirent *d; | |
87918040 | 1325 | struct blkdev_cxt part_cxt = { NULL }; |
09a71aa1 | 1326 | int r = -1; |
2a4c734b | 1327 | |
09a71aa1 | 1328 | assert(wholedisk_cxt); |
f31505fe | 1329 | |
09a71aa1 PR |
1330 | /* |
1331 | * Do not process further if there are no partitions for | |
1332 | * this device or the device itself is a partition. | |
1333 | */ | |
1334 | if (!wholedisk_cxt->npartitions || wholedisk_cxt->partition) | |
1335 | return -1; | |
2a4c734b | 1336 | |
7e786eca KZ |
1337 | DBG(CXT, ul_debugobj(wholedisk_cxt, "probe whole-disk for partitions")); |
1338 | ||
f153614c | 1339 | dir = ul_path_opendir(wholedisk_cxt->sysfs, NULL); |
2a4c734b MB |
1340 | if (!dir) |
1341 | err(EXIT_FAILURE, _("failed to open device directory in sysfs")); | |
1342 | ||
1343 | while ((d = xreaddir(dir))) { | |
09a71aa1 PR |
1344 | /* Process particular partition only? */ |
1345 | if (part_name && strcmp(part_name, d->d_name)) | |
2a4c734b MB |
1346 | continue; |
1347 | ||
f153614c | 1348 | if (!(sysfs_blkdev_is_partition_dirent(dir, d, wholedisk_cxt->name))) |
270e66ec | 1349 | continue; |
09a71aa1 | 1350 | |
7e786eca KZ |
1351 | DBG(CXT, ul_debugobj(wholedisk_cxt, " checking %s", d->d_name)); |
1352 | ||
09a71aa1 PR |
1353 | if (lsblk->inverse) { |
1354 | /* | |
1355 | * <parent_cxt> | |
1356 | * `-<part_cxt> | |
1357 | * `-<wholedisk_cxt> | |
1358 | * `-... | |
1359 | */ | |
1360 | if (set_cxt(&part_cxt, parent_cxt, wholedisk_cxt, d->d_name)) | |
1361 | goto next; | |
1362 | ||
1363 | if (!parent_cxt && part_cxt.nholders) | |
1364 | goto next; | |
1365 | ||
1366 | wholedisk_cxt->parent = &part_cxt; | |
642048e4 | 1367 | fill_table_line(&part_cxt, parent_cxt ? parent_cxt->scols_line : NULL); |
09a71aa1 PR |
1368 | if (!lsblk->nodeps) |
1369 | process_blkdev(wholedisk_cxt, &part_cxt, 0, NULL); | |
1370 | } else { | |
1371 | /* | |
1372 | * <parent_cxt> | |
1373 | * `-<wholedisk_cxt> | |
1374 | * `-<part_cxt> | |
1375 | * `-... | |
1376 | */ | |
a0e3e3de KZ |
1377 | int ps = set_cxt(&part_cxt, wholedisk_cxt, wholedisk_cxt, d->d_name); |
1378 | ||
09a71aa1 PR |
1379 | /* Print whole disk only once */ |
1380 | if (r) | |
642048e4 | 1381 | fill_table_line(wholedisk_cxt, parent_cxt ? parent_cxt->scols_line : NULL); |
a0e3e3de | 1382 | if (ps == 0 && !lsblk->nodeps) |
09a71aa1 | 1383 | process_blkdev(&part_cxt, wholedisk_cxt, 0, NULL); |
270e66ec | 1384 | } |
09a71aa1 PR |
1385 | next: |
1386 | reset_blkdev_cxt(&part_cxt); | |
1387 | r = 0; | |
2a4c734b | 1388 | } |
09a71aa1 | 1389 | |
7e786eca | 1390 | DBG(CXT, ul_debugobj(wholedisk_cxt, "probe whole-disk for partitions -- done")); |
2a4c734b | 1391 | closedir(dir); |
09a71aa1 PR |
1392 | return r; |
1393 | } | |
1394 | ||
2208b3cc | 1395 | static int get_wholedisk_from_partition_dirent(DIR *dir, |
540d506f | 1396 | struct dirent *d, struct blkdev_cxt *cxt) |
09a71aa1 PR |
1397 | { |
1398 | char path[PATH_MAX]; | |
1399 | char *p; | |
1400 | int len; | |
1401 | ||
2208b3cc | 1402 | if ((len = readlinkat(dirfd(dir), d->d_name, path, sizeof(path) - 1)) < 0) |
09a71aa1 | 1403 | return 0; |
540d506f KZ |
1404 | |
1405 | path[len] = '\0'; | |
09a71aa1 PR |
1406 | |
1407 | /* The path ends with ".../<device>/<partition>" */ | |
540d506f KZ |
1408 | p = strrchr(path, '/'); |
1409 | if (!p) | |
1410 | return 0; | |
1411 | *p = '\0'; | |
1412 | ||
1413 | p = strrchr(path, '/'); | |
1414 | if (!p) | |
1415 | return 0; | |
1416 | p++; | |
2a4c734b | 1417 | |
09a71aa1 PR |
1418 | return set_cxt(cxt, NULL, NULL, p); |
1419 | } | |
1420 | ||
1421 | /* | |
1422 | * List device dependencies: partitions, holders (inverse = 0) or slaves (inverse = 1). | |
1423 | */ | |
1424 | static int list_deps(struct blkdev_cxt *cxt) | |
1425 | { | |
1426 | DIR *dir; | |
1427 | struct dirent *d; | |
87918040 | 1428 | struct blkdev_cxt dep = { NULL }; |
540d506f | 1429 | const char *depname; |
09a71aa1 PR |
1430 | |
1431 | assert(cxt); | |
1432 | ||
1433 | if (lsblk->nodeps) | |
1434 | return 0; | |
1435 | ||
7e786eca KZ |
1436 | DBG(CXT, ul_debugobj(cxt, "%s: list dependencies", cxt->name)); |
1437 | ||
09a71aa1 PR |
1438 | if (!(lsblk->inverse ? cxt->nslaves : cxt->nholders)) |
1439 | return 0; | |
1440 | ||
540d506f | 1441 | depname = lsblk->inverse ? "slaves" : "holders"; |
f153614c | 1442 | dir = ul_path_opendir(cxt->sysfs, depname); |
2a4c734b MB |
1443 | if (!dir) |
1444 | return 0; | |
1445 | ||
7e786eca KZ |
1446 | DBG(CXT, ul_debugobj(cxt, "%s: checking for '%s' dependence", cxt->name, depname)); |
1447 | ||
2a4c734b | 1448 | while ((d = xreaddir(dir))) { |
09a71aa1 | 1449 | /* Is the dependency a partition? */ |
f153614c | 1450 | if (sysfs_blkdev_is_partition_dirent(dir, d, NULL)) { |
2208b3cc | 1451 | if (!get_wholedisk_from_partition_dirent(dir, d, &dep)) { |
7e786eca KZ |
1452 | DBG(CXT, ul_debugobj(cxt, "%s: %s: dependence is partition", |
1453 | cxt->name, d->d_name)); | |
1454 | process_blkdev(&dep, cxt, 1, d->d_name); | |
1455 | } | |
270e66ec | 1456 | } |
09a71aa1 | 1457 | /* The dependency is a whole device. */ |
7e786eca KZ |
1458 | else if (!set_cxt(&dep, cxt, NULL, d->d_name)) { |
1459 | DBG(CXT, ul_debugobj(cxt, "%s: %s: dependence is whole-disk", | |
1460 | cxt->name, d->d_name)); | |
92abdcae | 1461 | /* For inverse tree we don't want to show partitions |
9e930041 | 1462 | * if the dependence is on whole-disk */ |
92abdcae | 1463 | process_blkdev(&dep, cxt, lsblk->inverse ? 0 : 1, NULL); |
7e786eca | 1464 | } |
09a71aa1 | 1465 | reset_blkdev_cxt(&dep); |
2a4c734b MB |
1466 | } |
1467 | closedir(dir); | |
1468 | ||
7e786eca | 1469 | DBG(CXT, ul_debugobj(cxt, "%s: checking for '%s' -- done", cxt->name, depname)); |
2a4c734b MB |
1470 | return 0; |
1471 | } | |
1472 | ||
09a71aa1 PR |
1473 | static int process_blkdev(struct blkdev_cxt *cxt, struct blkdev_cxt *parent, |
1474 | int do_partitions, const char *part_name) | |
1475 | { | |
1476 | if (do_partitions && cxt->npartitions) | |
9e930041 | 1477 | list_partitions(cxt, parent, part_name); /* partitions + whole-disk */ |
296dc15c KZ |
1478 | else |
1479 | fill_table_line(cxt, parent ? parent->scols_line : NULL); /* whole-disk only */ | |
09a71aa1 | 1480 | |
09a71aa1 PR |
1481 | return list_deps(cxt); |
1482 | } | |
1483 | ||
1484 | /* Iterate devices in sysfs */ | |
2a4c734b MB |
1485 | static int iterate_block_devices(void) |
1486 | { | |
1487 | DIR *dir; | |
1488 | struct dirent *d; | |
87918040 | 1489 | struct blkdev_cxt cxt = { NULL }; |
5a89aa99 | 1490 | struct path_cxt *pc = ul_new_path(_PATH_SYS_BLOCK); |
2a4c734b | 1491 | |
5a89aa99 KZ |
1492 | if (!pc) |
1493 | err(EXIT_FAILURE, _("failed to allocate /sys handler")); | |
1494 | ||
1495 | ul_path_set_prefix(pc, lsblk->sysroot); | |
1496 | ||
1497 | /* TODO: reuse @pc in set_cxt(), etc. */ | |
1498 | dir = ul_path_opendir(pc, NULL); | |
1499 | if (!dir) | |
1500 | goto done; | |
2a4c734b | 1501 | |
7e786eca KZ |
1502 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_BLOCK)); |
1503 | ||
2a4c734b | 1504 | while ((d = xreaddir(dir))) { |
7e786eca KZ |
1505 | |
1506 | DBG(DEV, ul_debug(" %s dentry", d->d_name)); | |
1507 | ||
09a71aa1 | 1508 | if (set_cxt(&cxt, NULL, NULL, d->d_name)) |
2a4c734b MB |
1509 | goto next; |
1510 | ||
2ef4e8ba | 1511 | if (is_maj_excluded(cxt.maj) || !is_maj_included(cxt.maj)) |
2a4c734b MB |
1512 | goto next; |
1513 | ||
09a71aa1 PR |
1514 | /* Skip devices in the middle of dependency tree. */ |
1515 | if ((lsblk->inverse ? cxt.nholders : cxt.nslaves) > 0) | |
2a4c734b MB |
1516 | goto next; |
1517 | ||
09a71aa1 | 1518 | process_blkdev(&cxt, NULL, 1, NULL); |
2a4c734b MB |
1519 | next: |
1520 | reset_blkdev_cxt(&cxt); | |
1521 | } | |
1522 | ||
1523 | closedir(dir); | |
5a89aa99 KZ |
1524 | done: |
1525 | ul_unref_path(pc); | |
7e786eca | 1526 | DBG(DEV, ul_debug("iterate on " _PATH_SYS_BLOCK " -- done")); |
1539750f | 1527 | return 0; |
2a4c734b MB |
1528 | } |
1529 | ||
1530 | static int process_one_device(char *devname) | |
1531 | { | |
87918040 | 1532 | struct blkdev_cxt parent = { NULL }, cxt = { NULL }; |
2a4c734b | 1533 | struct stat st; |
1539750f | 1534 | char buf[PATH_MAX + 1], *name = NULL, *diskname = NULL; |
2a4c734b | 1535 | dev_t disk = 0; |
1539750f | 1536 | int real_part = 0, rc = -EINVAL; |
2a4c734b MB |
1537 | |
1538 | if (stat(devname, &st) || !S_ISBLK(st.st_mode)) { | |
1539 | warnx(_("%s: not a block device"), devname); | |
1539750f | 1540 | goto leave; |
2a4c734b | 1541 | } |
da30cb2a | 1542 | |
f153614c KZ |
1543 | /* TODO: sysfs_devno_to_devname() internally initializes path_cxt, it |
1544 | * would be better to use ul_new_sysfs_path() + sysfs_blkdev_get_name() | |
1545 | * and reuse path_cxt for set_cxt() | |
1546 | */ | |
1547 | name = sysfs_devno_to_devname(st.st_rdev, buf, sizeof(buf)); | |
1548 | if (!name) { | |
da30cb2a | 1549 | warn(_("%s: failed to get sysfs name"), devname); |
1539750f | 1550 | goto leave; |
2a4c734b | 1551 | } |
da30cb2a PR |
1552 | |
1553 | if (!strncmp(name, "dm-", 3)) { | |
1554 | /* dm mapping is never a real partition! */ | |
1555 | real_part = 0; | |
1556 | } else { | |
1557 | if (blkid_devno_to_wholedisk(st.st_rdev, buf, sizeof(buf), &disk)) { | |
1558 | warn(_("%s: failed to get whole-disk device number"), devname); | |
1539750f | 1559 | goto leave; |
da30cb2a PR |
1560 | } |
1561 | diskname = buf; | |
1562 | real_part = st.st_rdev != disk; | |
1563 | } | |
1564 | ||
1565 | if (!real_part) { | |
2a4c734b | 1566 | /* |
09a71aa1 | 1567 | * Device is not a partition. |
2a4c734b | 1568 | */ |
da30cb2a | 1569 | if (set_cxt(&cxt, NULL, NULL, name)) |
270e66ec | 1570 | goto leave; |
09a71aa1 | 1571 | process_blkdev(&cxt, NULL, !lsblk->inverse, NULL); |
270e66ec | 1572 | } else { |
2a4c734b | 1573 | /* |
09a71aa1 | 1574 | * Partition, read sysfs name of the device. |
2a4c734b | 1575 | */ |
09a71aa1 | 1576 | if (set_cxt(&parent, NULL, NULL, diskname)) |
270e66ec | 1577 | goto leave; |
09a71aa1 | 1578 | if (set_cxt(&cxt, &parent, &parent, name)) |
270e66ec | 1579 | goto leave; |
09a71aa1 PR |
1580 | |
1581 | if (lsblk->inverse) | |
1582 | process_blkdev(&parent, &cxt, 1, cxt.name); | |
1583 | else | |
1584 | process_blkdev(&cxt, &parent, 1, NULL); | |
2a4c734b MB |
1585 | } |
1586 | ||
1539750f | 1587 | rc = 0; |
270e66ec | 1588 | leave: |
da30cb2a | 1589 | free(name); |
2a4c734b MB |
1590 | reset_blkdev_cxt(&cxt); |
1591 | ||
da30cb2a | 1592 | if (real_part) |
2a4c734b MB |
1593 | reset_blkdev_cxt(&parent); |
1594 | ||
1539750f | 1595 | return rc; |
2a4c734b MB |
1596 | } |
1597 | ||
2dc03af7 | 1598 | static void parse_excludes(const char *str0) |
2a4c734b | 1599 | { |
2dc03af7 KZ |
1600 | const char *str = str0; |
1601 | ||
2a4c734b MB |
1602 | while (str && *str) { |
1603 | char *end = NULL; | |
ed34643c | 1604 | unsigned long n; |
2a4c734b MB |
1605 | |
1606 | errno = 0; | |
1607 | n = strtoul(str, &end, 10); | |
1608 | ||
2dc03af7 KZ |
1609 | if (end == str || (end && *end && *end != ',')) |
1610 | errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
1611 | if (errno != 0 && (n == ULONG_MAX || n == 0)) | |
1612 | err(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
2a4c734b MB |
1613 | excludes[nexcludes++] = n; |
1614 | ||
1615 | if (nexcludes == ARRAY_SIZE(excludes)) | |
f14f02f5 | 1616 | /* TRANSLATORS: The standard value for %d is 256. */ |
2a4c734b MB |
1617 | errx(EXIT_FAILURE, _("the list of excluded devices is " |
1618 | "too large (limit is %d devices)"), | |
1619 | (int)ARRAY_SIZE(excludes)); | |
2dc03af7 | 1620 | |
2a4c734b MB |
1621 | str = end && *end ? end + 1 : NULL; |
1622 | } | |
1623 | } | |
1624 | ||
2dc03af7 | 1625 | static void parse_includes(const char *str0) |
2ef4e8ba | 1626 | { |
2dc03af7 KZ |
1627 | const char *str = str0; |
1628 | ||
2ef4e8ba KZ |
1629 | while (str && *str) { |
1630 | char *end = NULL; | |
1631 | unsigned long n; | |
1632 | ||
1633 | errno = 0; | |
1634 | n = strtoul(str, &end, 10); | |
1635 | ||
2dc03af7 KZ |
1636 | if (end == str || (end && *end && *end != ',')) |
1637 | errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
1638 | if (errno != 0 && (n == ULONG_MAX || n == 0)) | |
1639 | err(EXIT_FAILURE, _("failed to parse list '%s'"), str0); | |
2ef4e8ba KZ |
1640 | includes[nincludes++] = n; |
1641 | ||
1642 | if (nincludes == ARRAY_SIZE(includes)) | |
1643 | /* TRANSLATORS: The standard value for %d is 256. */ | |
1644 | errx(EXIT_FAILURE, _("the list of included devices is " | |
1645 | "too large (limit is %d devices)"), | |
1646 | (int)ARRAY_SIZE(includes)); | |
1647 | str = end && *end ? end + 1 : NULL; | |
1648 | } | |
1649 | } | |
1650 | ||
642048e4 KZ |
1651 | /* |
1652 | * see set_sortdata_u64() and columns initialization in main() | |
1653 | */ | |
1654 | static int cmp_u64_cells(struct libscols_cell *a, | |
1655 | struct libscols_cell *b, | |
1656 | __attribute__((__unused__)) void *data) | |
1657 | { | |
1658 | uint64_t *adata = (uint64_t *) scols_cell_get_userdata(a), | |
1659 | *bdata = (uint64_t *) scols_cell_get_userdata(b); | |
1660 | ||
1661 | if (adata == NULL && bdata == NULL) | |
1662 | return 0; | |
1663 | if (adata == NULL) | |
1664 | return -1; | |
1665 | if (bdata == NULL) | |
1666 | return 1; | |
1667 | return *adata == *bdata ? 0 : *adata >= *bdata ? 1 : -1; | |
1668 | } | |
1669 | ||
86be6a32 | 1670 | static void __attribute__((__noreturn__)) usage(void) |
2a4c734b | 1671 | { |
86be6a32 | 1672 | FILE *out = stdout; |
507d39c2 | 1673 | size_t i; |
2a4c734b | 1674 | |
39b232c1 SK |
1675 | fputs(USAGE_HEADER, out); |
1676 | fprintf(out, _(" %s [options] [<device> ...]\n"), program_invocation_short_name); | |
451dbcfa BS |
1677 | |
1678 | fputs(USAGE_SEPARATOR, out); | |
1679 | fputs(_("List information about block devices.\n"), out); | |
1680 | ||
39b232c1 SK |
1681 | fputs(USAGE_OPTIONS, out); |
1682 | fputs(_(" -a, --all print all devices\n"), out); | |
1683 | fputs(_(" -b, --bytes print SIZE in bytes rather than in human readable format\n"), out); | |
1684 | fputs(_(" -d, --nodeps don't print slaves or holders\n"), out); | |
1685 | fputs(_(" -D, --discard print discard capabilities\n"), out); | |
f2df4365 | 1686 | fputs(_(" -z, --zoned print zone model\n"), out); |
39b232c1 | 1687 | fputs(_(" -e, --exclude <list> exclude devices by major number (default: RAM disks)\n"), out); |
39b232c1 | 1688 | fputs(_(" -f, --fs output info about filesystems\n"), out); |
39b232c1 | 1689 | fputs(_(" -i, --ascii use ascii characters only\n"), out); |
3e59c481 | 1690 | fputs(_(" -I, --include <list> show only devices with specified major numbers\n"), out); |
4a102a48 | 1691 | fputs(_(" -J, --json use JSON output format\n"), out); |
39b232c1 | 1692 | fputs(_(" -l, --list use list format output\n"), out); |
1d9e35cc | 1693 | fputs(_(" -T, --tree use tree format output\n"), out); |
3e59c481 | 1694 | fputs(_(" -m, --perms output info about permissions\n"), out); |
39b232c1 SK |
1695 | fputs(_(" -n, --noheadings don't print headings\n"), out); |
1696 | fputs(_(" -o, --output <list> output columns\n"), out); | |
1b4d2a4a | 1697 | fputs(_(" -O, --output-all output all columns\n"), out); |
ef75bc88 | 1698 | fputs(_(" -p, --paths print complete device path\n"), out); |
39b232c1 SK |
1699 | fputs(_(" -P, --pairs use key=\"value\" output format\n"), out); |
1700 | fputs(_(" -r, --raw use raw output format\n"), out); | |
1701 | fputs(_(" -s, --inverse inverse dependencies\n"), out); | |
39b232c1 | 1702 | fputs(_(" -S, --scsi output info about SCSI devices\n"), out); |
3e59c481 | 1703 | fputs(_(" -t, --topology output info about topology\n"), out); |
b5af3ee8 | 1704 | fputs(_(" -x, --sort <column> sort output by <column>\n"), out); |
39b232c1 | 1705 | fputs(USAGE_SEPARATOR, out); |
f45f3ec3 | 1706 | printf(USAGE_HELP_OPTIONS(22)); |
2a4c734b | 1707 | |
c3a4cfc5 | 1708 | fprintf(out, USAGE_COLUMNS); |
2a4c734b | 1709 | |
03df0d11 | 1710 | for (i = 0; i < ARRAY_SIZE(infos); i++) |
57912387 | 1711 | fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help)); |
2a4c734b | 1712 | |
f45f3ec3 | 1713 | printf(USAGE_MAN_TAIL("lsblk(8)")); |
2a4c734b | 1714 | |
86be6a32 | 1715 | exit(EXIT_SUCCESS); |
2a4c734b MB |
1716 | } |
1717 | ||
f65b3bb6 SK |
1718 | static void check_sysdevblock(void) |
1719 | { | |
1720 | if (access(_PATH_SYS_DEVBLOCK, R_OK) != 0) | |
1721 | err(EXIT_FAILURE, _("failed to access sysfs directory: %s"), | |
1722 | _PATH_SYS_DEVBLOCK); | |
1723 | } | |
1724 | ||
2a4c734b MB |
1725 | int main(int argc, char *argv[]) |
1726 | { | |
341c4ae2 | 1727 | struct lsblk _ls = { .sort_id = -1, .flags = LSBLK_TREE }; |
40b17508 | 1728 | int c, status = EXIT_FAILURE; |
43bca827 | 1729 | char *outarg = NULL; |
40b17508 | 1730 | size_t i; |
1d9e35cc | 1731 | int force_tree = 0; |
2a4c734b | 1732 | |
ffc27623 KZ |
1733 | enum { |
1734 | OPT_SYSROOT = CHAR_MAX + 1 | |
1735 | }; | |
1736 | ||
6c7d5ae9 | 1737 | static const struct option longopts[] = { |
87918040 SK |
1738 | { "all", no_argument, NULL, 'a' }, |
1739 | { "bytes", no_argument, NULL, 'b' }, | |
1740 | { "nodeps", no_argument, NULL, 'd' }, | |
1741 | { "discard", no_argument, NULL, 'D' }, | |
f2df4365 | 1742 | { "zoned", no_argument, NULL, 'z' }, |
87918040 SK |
1743 | { "help", no_argument, NULL, 'h' }, |
1744 | { "json", no_argument, NULL, 'J' }, | |
1745 | { "output", required_argument, NULL, 'o' }, | |
1746 | { "output-all", no_argument, NULL, 'O' }, | |
1747 | { "perms", no_argument, NULL, 'm' }, | |
1748 | { "noheadings", no_argument, NULL, 'n' }, | |
1749 | { "list", no_argument, NULL, 'l' }, | |
1750 | { "ascii", no_argument, NULL, 'i' }, | |
1751 | { "raw", no_argument, NULL, 'r' }, | |
1752 | { "inverse", no_argument, NULL, 's' }, | |
1753 | { "fs", no_argument, NULL, 'f' }, | |
1754 | { "exclude", required_argument, NULL, 'e' }, | |
1755 | { "include", required_argument, NULL, 'I' }, | |
1756 | { "topology", no_argument, NULL, 't' }, | |
1757 | { "paths", no_argument, NULL, 'p' }, | |
1758 | { "pairs", no_argument, NULL, 'P' }, | |
1759 | { "scsi", no_argument, NULL, 'S' }, | |
1760 | { "sort", required_argument, NULL, 'x' }, | |
ffc27623 | 1761 | { "sysroot", required_argument, NULL, OPT_SYSROOT }, |
1d9e35cc | 1762 | { "tree", no_argument, NULL, 'T' }, |
87918040 SK |
1763 | { "version", no_argument, NULL, 'V' }, |
1764 | { NULL, 0, NULL, 0 }, | |
2a4c734b MB |
1765 | }; |
1766 | ||
a7349ee3 | 1767 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
1b4d2a4a | 1768 | { 'D','O' }, |
98f2dc7a | 1769 | { 'I','e' }, |
4a102a48 | 1770 | { 'J', 'P', 'r' }, |
1b4d2a4a MY |
1771 | { 'O','S' }, |
1772 | { 'O','f' }, | |
1773 | { 'O','m' }, | |
1774 | { 'O','t' }, | |
1d9e35cc | 1775 | { 'P','T', 'l','r' }, |
98f2dc7a KZ |
1776 | { 0 } |
1777 | }; | |
1778 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
1779 | ||
2a4c734b MB |
1780 | setlocale(LC_ALL, ""); |
1781 | bindtextdomain(PACKAGE, LOCALEDIR); | |
1782 | textdomain(PACKAGE); | |
c05a80ca | 1783 | atexit(close_stdout); |
2a4c734b MB |
1784 | |
1785 | lsblk = &_ls; | |
2a4c734b | 1786 | |
7e786eca KZ |
1787 | lsblk_init_debug(); |
1788 | ||
98f2dc7a | 1789 | while((c = getopt_long(argc, argv, |
1d9e35cc | 1790 | "abdDze:fhJlnmo:OpPiI:rstVSTx:", longopts, NULL)) != -1) { |
98f2dc7a KZ |
1791 | |
1792 | err_exclusive_options(c, longopts, excl, excl_st); | |
1793 | ||
2a4c734b MB |
1794 | switch(c) { |
1795 | case 'a': | |
1796 | lsblk->all_devices = 1; | |
1797 | break; | |
1798 | case 'b': | |
1799 | lsblk->bytes = 1; | |
1800 | break; | |
f31505fe KZ |
1801 | case 'd': |
1802 | lsblk->nodeps = 1; | |
1803 | break; | |
2d232246 | 1804 | case 'D': |
be685b98 KZ |
1805 | add_uniq_column(COL_NAME); |
1806 | add_uniq_column(COL_DALIGN); | |
1807 | add_uniq_column(COL_DGRAN); | |
1808 | add_uniq_column(COL_DMAX); | |
1809 | add_uniq_column(COL_DZERO); | |
2d232246 | 1810 | break; |
f2df4365 | 1811 | case 'z': |
be685b98 KZ |
1812 | add_uniq_column(COL_NAME); |
1813 | add_uniq_column(COL_ZONED); | |
f2df4365 | 1814 | break; |
2a4c734b MB |
1815 | case 'e': |
1816 | parse_excludes(optarg); | |
1817 | break; | |
1818 | case 'h': | |
86be6a32 | 1819 | usage(); |
2a4c734b | 1820 | break; |
4a102a48 | 1821 | case 'J': |
341c4ae2 | 1822 | lsblk->flags |= LSBLK_JSON; |
4a102a48 | 1823 | break; |
2a4c734b | 1824 | case 'l': |
341c4ae2 | 1825 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
2a4c734b MB |
1826 | break; |
1827 | case 'n': | |
341c4ae2 | 1828 | lsblk->flags |= LSBLK_NOHEADINGS; |
2a4c734b MB |
1829 | break; |
1830 | case 'o': | |
43bca827 | 1831 | outarg = optarg; |
2a4c734b | 1832 | break; |
1b4d2a4a | 1833 | case 'O': |
40b17508 | 1834 | for (ncolumns = 0 ; ncolumns < ARRAY_SIZE(infos); ncolumns++) |
1b4d2a4a MY |
1835 | columns[ncolumns] = ncolumns; |
1836 | break; | |
c7e76cd1 KZ |
1837 | case 'p': |
1838 | lsblk->paths = 1; | |
1839 | break; | |
6ea1bdd3 | 1840 | case 'P': |
341c4ae2 KZ |
1841 | lsblk->flags |= LSBLK_EXPORT; |
1842 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ | |
6ea1bdd3 | 1843 | break; |
2a4c734b | 1844 | case 'i': |
341c4ae2 | 1845 | lsblk->flags |= LSBLK_ASCII; |
2a4c734b | 1846 | break; |
2ef4e8ba | 1847 | case 'I': |
2ef4e8ba KZ |
1848 | parse_includes(optarg); |
1849 | break; | |
2a4c734b | 1850 | case 'r': |
341c4ae2 KZ |
1851 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
1852 | lsblk->flags |= LSBLK_RAW; /* enable raw */ | |
2a4c734b | 1853 | break; |
09a71aa1 PR |
1854 | case 's': |
1855 | lsblk->inverse = 1; | |
1856 | break; | |
2a4c734b | 1857 | case 'f': |
be685b98 KZ |
1858 | add_uniq_column(COL_NAME); |
1859 | add_uniq_column(COL_FSTYPE); | |
1860 | add_uniq_column(COL_LABEL); | |
1861 | add_uniq_column(COL_UUID); | |
1862 | add_uniq_column(COL_TARGET); | |
2a4c734b MB |
1863 | break; |
1864 | case 'm': | |
be685b98 KZ |
1865 | add_uniq_column(COL_NAME); |
1866 | add_uniq_column(COL_SIZE); | |
1867 | add_uniq_column(COL_OWNER); | |
1868 | add_uniq_column(COL_GROUP); | |
1869 | add_uniq_column(COL_MODE); | |
2a4c734b MB |
1870 | break; |
1871 | case 't': | |
be685b98 KZ |
1872 | add_uniq_column(COL_NAME); |
1873 | add_uniq_column(COL_ALIOFF); | |
1874 | add_uniq_column(COL_MINIO); | |
1875 | add_uniq_column(COL_OPTIO); | |
1876 | add_uniq_column(COL_PHYSEC); | |
1877 | add_uniq_column(COL_LOGSEC); | |
1878 | add_uniq_column(COL_ROTA); | |
1879 | add_uniq_column(COL_SCHED); | |
1880 | add_uniq_column(COL_RQ_SIZE); | |
1881 | add_uniq_column(COL_RA); | |
1882 | add_uniq_column(COL_WSAME); | |
2a4c734b | 1883 | break; |
28ffc2b7 MB |
1884 | case 'S': |
1885 | lsblk->nodeps = 1; | |
1886 | lsblk->scsi = 1; | |
be685b98 KZ |
1887 | add_uniq_column(COL_NAME); |
1888 | add_uniq_column(COL_HCTL); | |
1889 | add_uniq_column(COL_TYPE); | |
1890 | add_uniq_column(COL_VENDOR); | |
1891 | add_uniq_column(COL_MODEL); | |
1892 | add_uniq_column(COL_REV); | |
1893 | add_uniq_column(COL_TRANSPORT); | |
28ffc2b7 | 1894 | break; |
1d9e35cc KZ |
1895 | case 'T': |
1896 | force_tree = 1; | |
1897 | break; | |
ffc27623 KZ |
1898 | |
1899 | case OPT_SYSROOT: | |
1900 | lsblk->sysroot = optarg; | |
1901 | break; | |
57912387 | 1902 | case 'V': |
e421313d | 1903 | printf(UTIL_LINUX_VERSION); |
57912387 | 1904 | return EXIT_SUCCESS; |
642048e4 | 1905 | case 'x': |
341c4ae2 | 1906 | lsblk->flags &= ~LSBLK_TREE; /* disable the default */ |
642048e4 KZ |
1907 | lsblk->sort_id = column_name_to_id(optarg, strlen(optarg)); |
1908 | if (lsblk->sort_id >= 0) | |
1909 | break; | |
1910 | /* fallthrough */ | |
2a4c734b | 1911 | default: |
193b3239 | 1912 | errtryhelp(EXIT_FAILURE); |
2a4c734b MB |
1913 | } |
1914 | } | |
1915 | ||
1d9e35cc KZ |
1916 | if (force_tree) |
1917 | lsblk->flags |= LSBLK_TREE; | |
1918 | ||
f65b3bb6 SK |
1919 | check_sysdevblock(); |
1920 | ||
2a4c734b | 1921 | if (!ncolumns) { |
be685b98 KZ |
1922 | add_column(COL_NAME); |
1923 | add_column(COL_MAJMIN); | |
1924 | add_column(COL_RM); | |
1925 | add_column(COL_SIZE); | |
1926 | add_column(COL_RO); | |
1927 | add_column(COL_TYPE); | |
1928 | add_column(COL_TARGET); | |
2a4c734b MB |
1929 | } |
1930 | ||
43bca827 MB |
1931 | if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns), |
1932 | &ncolumns, column_name_to_id) < 0) | |
1933 | return EXIT_FAILURE; | |
1934 | ||
b9dd5721 | 1935 | if (lsblk->all_devices == 0 && nexcludes == 0 && nincludes == 0) |
2a4c734b | 1936 | excludes[nexcludes++] = 1; /* default: ignore RAM disks */ |
9554f7ab | 1937 | |
5e2305ca KZ |
1938 | if (lsblk->sort_id < 0) |
1939 | /* Since Linux 4.8 we have sort devices by default, because | |
1940 | * /sys is no more sorted */ | |
1941 | lsblk->sort_id = COL_MAJMIN; | |
1942 | ||
091683a8 KZ |
1943 | /* For --inverse --list we still follow parent->child relation */ |
1944 | if (lsblk->inverse && !(lsblk->flags & LSBLK_TREE)) | |
1945 | lsblk->force_tree_order = 1; | |
1946 | ||
a6dc8dcd KZ |
1947 | if (lsblk->sort_id >= 0 && column_id_to_number(lsblk->sort_id) < 0) { |
1948 | /* the sort column is not between output columns -- add as hidden */ | |
be685b98 | 1949 | add_column(lsblk->sort_id); |
a6dc8dcd KZ |
1950 | lsblk->sort_hidden = 1; |
1951 | } | |
642048e4 | 1952 | |
9554f7ab | 1953 | mnt_init_debug(0); |
710ed55d | 1954 | scols_init_debug(0); |
5a89aa99 | 1955 | ul_path_init_debug(); |
9554f7ab | 1956 | |
2a4c734b MB |
1957 | /* |
1958 | * initialize output columns | |
1959 | */ | |
0925a9dd | 1960 | if (!(lsblk->table = scols_new_table())) |
780ce22c | 1961 | errx(EXIT_FAILURE, _("failed to allocate output table")); |
341c4ae2 KZ |
1962 | scols_table_enable_raw(lsblk->table, !!(lsblk->flags & LSBLK_RAW)); |
1963 | scols_table_enable_export(lsblk->table, !!(lsblk->flags & LSBLK_EXPORT)); | |
1964 | scols_table_enable_ascii(lsblk->table, !!(lsblk->flags & LSBLK_ASCII)); | |
1965 | scols_table_enable_json(lsblk->table, !!(lsblk->flags & LSBLK_JSON)); | |
1966 | scols_table_enable_noheadings(lsblk->table, !!(lsblk->flags & LSBLK_NOHEADINGS)); | |
2a4c734b | 1967 | |
341c4ae2 | 1968 | if (lsblk->flags & LSBLK_JSON) |
4a102a48 KZ |
1969 | scols_table_set_name(lsblk->table, "blockdevices"); |
1970 | ||
2a4c734b MB |
1971 | for (i = 0; i < ncolumns; i++) { |
1972 | struct colinfo *ci = get_column_info(i); | |
642048e4 KZ |
1973 | struct libscols_column *cl; |
1974 | int id = get_column_id(i), fl = ci->flags; | |
2a4c734b | 1975 | |
341c4ae2 | 1976 | if (!(lsblk->flags & LSBLK_TREE) && id == COL_NAME) |
9bd4e5c0 | 1977 | fl &= ~SCOLS_FL_TREE; |
a6dc8dcd KZ |
1978 | if (lsblk->sort_hidden && lsblk->sort_id == id) |
1979 | fl |= SCOLS_FL_HIDDEN; | |
2a4c734b | 1980 | |
642048e4 KZ |
1981 | cl = scols_table_new_column(lsblk->table, ci->name, ci->whint, fl); |
1982 | if (!cl) { | |
780ce22c | 1983 | warn(_("failed to allocate output column")); |
2a4c734b MB |
1984 | goto leave; |
1985 | } | |
642048e4 KZ |
1986 | if (!lsblk->sort_col && lsblk->sort_id == id) { |
1987 | lsblk->sort_col = cl; | |
1988 | scols_column_set_cmpfunc(cl, | |
407e0ea6 KZ |
1989 | ci->type == COLTYPE_NUM ? cmp_u64_cells : |
1990 | ci->type == COLTYPE_SIZE ? cmp_u64_cells : | |
1991 | ci->type == COLTYPE_SORTNUM ? cmp_u64_cells : scols_cmpstr_cells, | |
1992 | NULL); | |
1993 | } | |
1994 | if (lsblk->flags & LSBLK_JSON) { | |
1995 | switch (ci->type) { | |
1996 | case COLTYPE_SIZE: | |
1997 | if (!lsblk->bytes) | |
1998 | break; | |
1999 | /* fallthrough */ | |
2000 | case COLTYPE_NUM: | |
2001 | scols_column_set_json_type(cl, SCOLS_JSON_NUMBER); | |
2002 | break; | |
2003 | case COLTYPE_BOOL: | |
2004 | scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN); | |
2005 | break; | |
2006 | default: | |
2007 | scols_column_set_json_type(cl, SCOLS_JSON_STRING); | |
2008 | break; | |
2009 | } | |
642048e4 | 2010 | } |
2a4c734b MB |
2011 | } |
2012 | ||
2013 | if (optind == argc) | |
1539750f KZ |
2014 | status = iterate_block_devices() == 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
2015 | else { | |
2016 | int cnt = 0, cnt_err = 0; | |
2017 | ||
2018 | while (optind < argc) { | |
2019 | if (process_one_device(argv[optind++]) != 0) | |
2020 | cnt_err++; | |
2021 | cnt++; | |
2022 | } | |
2023 | status = cnt == 0 ? EXIT_FAILURE : /* nothing */ | |
2024 | cnt == cnt_err ? LSBLK_EXIT_ALLFAILED :/* all failed */ | |
2025 | cnt_err ? LSBLK_EXIT_SOMEOK : /* some ok */ | |
2026 | EXIT_SUCCESS; /* all success */ | |
2027 | } | |
2a4c734b | 2028 | |
642048e4 KZ |
2029 | if (lsblk->sort_col) |
2030 | scols_sort_table(lsblk->table, lsblk->sort_col); | |
091683a8 KZ |
2031 | if (lsblk->force_tree_order) |
2032 | scols_sort_table_by_tree(lsblk->table); | |
642048e4 | 2033 | |
9bd4e5c0 | 2034 | scols_print_table(lsblk->table); |
2a4c734b MB |
2035 | |
2036 | leave: | |
642048e4 KZ |
2037 | if (lsblk->sort_col) |
2038 | unref_sortdata(lsblk->table); | |
2039 | ||
9bd4e5c0 | 2040 | scols_unref_table(lsblk->table); |
50fccba1 KZ |
2041 | |
2042 | mnt_unref_table(mtab); | |
2043 | mnt_unref_table(swaps); | |
6195f9e6 | 2044 | mnt_unref_cache(mntcache); |
d44e3391 KZ |
2045 | #ifdef HAVE_LIBUDEV |
2046 | udev_unref(udev); | |
2047 | #endif | |
2a4c734b MB |
2048 | return status; |
2049 | } |