xref: /dragonfly/contrib/lvm2/dist/lib/display/display.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1 /*        $NetBSD: display.c,v 1.1.1.3 2009/12/02 00:26:43 haad Exp $ */
2 
3 /*
4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5  * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
6  *
7  * This file is part of LVM2.
8  *
9  * This copyrighted material is made available to anyone wishing to use,
10  * modify, copy, or redistribute it subject to the terms and conditions
11  * of the GNU Lesser General Public License v.2.1.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, write to the Free Software Foundation,
15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16  */
17 
18 #include "lib.h"
19 #include "metadata.h"
20 #include "display.h"
21 #include "activate.h"
22 #include "toolcontext.h"
23 #include "segtype.h"
24 
25 #define SIZE_BUF 128
26 
27 typedef enum { SIZE_LONG = 0, SIZE_SHORT = 1, SIZE_UNIT = 2 } size_len_t;
28 
29 static const struct {
30           alloc_policy_t alloc;
31           const char str[12]; /* must be changed when size extends 11 chars */
32 } _policies[] = {
33           {
34           ALLOC_CONTIGUOUS, "contiguous"}, {
35           ALLOC_CLING, "cling"}, {
36           ALLOC_NORMAL, "normal"}, {
37           ALLOC_ANYWHERE, "anywhere"}, {
38           ALLOC_INHERIT, "inherit"}
39 };
40 
41 static const int _num_policies = sizeof(_policies) / sizeof(*_policies);
42 
units_to_bytes(const char * units,char * unit_type)43 uint64_t units_to_bytes(const char *units, char *unit_type)
44 {
45           char *ptr = NULL;
46           uint64_t v;
47 
48           if (isdigit(*units)) {
49                     v = (uint64_t) strtod(units, &ptr);
50                     if (ptr == units)
51                               return 0;
52                     units = ptr;
53           } else
54                     v = 1;
55 
56           if (v == 1)
57                     *unit_type = *units;
58           else
59                     *unit_type = 'U';
60 
61           switch (*units) {
62           case 'h':
63           case 'H':
64                     v = UINT64_C(1);
65                     *unit_type = *units;
66                     break;
67           case 'b':
68           case 'B':
69                     v *= UINT64_C(1);
70                     break;
71 #define KILO UINT64_C(1024)
72           case 's':
73           case 'S':
74                     v *= (KILO/2);
75                     break;
76           case 'k':
77                     v *= KILO;
78                     break;
79           case 'm':
80                     v *= KILO * KILO;
81                     break;
82           case 'g':
83                     v *= KILO * KILO * KILO;
84                     break;
85           case 't':
86                     v *= KILO * KILO * KILO * KILO;
87                     break;
88           case 'p':
89                     v *= KILO * KILO * KILO * KILO * KILO;
90                     break;
91           case 'e':
92                     v *= KILO * KILO * KILO * KILO * KILO * KILO;
93                     break;
94 #undef KILO
95 #define KILO UINT64_C(1000)
96           case 'K':
97                     v *= KILO;
98                     break;
99           case 'M':
100                     v *= KILO * KILO;
101                     break;
102           case 'G':
103                     v *= KILO * KILO * KILO;
104                     break;
105           case 'T':
106                     v *= KILO * KILO * KILO * KILO;
107                     break;
108           case 'P':
109                     v *= KILO * KILO * KILO * KILO * KILO;
110                     break;
111           case 'E':
112                     v *= KILO * KILO * KILO * KILO * KILO * KILO;
113                     break;
114 #undef KILO
115           default:
116                     return 0;
117           }
118 
119           if (*(units + 1))
120                     return 0;
121 
122           return v;
123 }
124 
get_alloc_string(alloc_policy_t alloc)125 const char *get_alloc_string(alloc_policy_t alloc)
126 {
127           int i;
128 
129           for (i = 0; i < _num_policies; i++)
130                     if (_policies[i].alloc == alloc)
131                               return _policies[i].str;
132 
133           return NULL;
134 }
135 
get_alloc_from_string(const char * str)136 alloc_policy_t get_alloc_from_string(const char *str)
137 {
138           int i;
139 
140           for (i = 0; i < _num_policies; i++)
141                     if (!strcmp(_policies[i].str, str))
142                               return _policies[i].alloc;
143 
144           /* Special case for old metadata */
145           if(!strcmp("next free", str))
146                     return ALLOC_NORMAL;
147 
148           log_error("Unrecognised allocation policy %s", str);
149           return ALLOC_INVALID;
150 }
151 
152 #define BASE_UNKNOWN 0
153 #define BASE_SHARED 1
154 #define BASE_1024 7
155 #define BASE_1000 13
156 #define BASE_SPECIAL 19
157 #define NUM_UNIT_PREFIXES 6
158 #define NUM_SPECIAL 3
159 
160 /* Size supplied in sectors */
_display_size(const struct cmd_context * cmd,uint64_t size,size_len_t sl)161 static const char *_display_size(const struct cmd_context *cmd,
162                                          uint64_t size, size_len_t sl)
163 {
164           unsigned base = BASE_UNKNOWN;
165           unsigned s;
166           int suffix = 1, precision;
167           uint64_t byte = UINT64_C(0);
168           uint64_t units = UINT64_C(1024);
169           char *size_buf = NULL;
170           const char * const size_str[][3] = {
171                     /* BASE_UNKNOWN */
172                     {"         ", "   ", " "},    /* [0] */
173 
174                     /* BASE_SHARED - Used if cmd->si_unit_consistency = 0 */
175                     {" Exabyte", " EB", "E"},     /* [1] */
176                     {" Petabyte", " PB", "P"},    /* [2] */
177                     {" Terabyte", " TB", "T"},    /* [3] */
178                     {" Gigabyte", " GB", "G"},    /* [4] */
179                     {" Megabyte", " MB", "M"},    /* [5] */
180                     {" Kilobyte", " KB", "K"},    /* [6] */
181 
182                     /* BASE_1024 - Used if cmd->si_unit_consistency = 1 */
183                     {" Exbibyte", " EiB", "e"},   /* [7] */
184                     {" Pebibyte", " PiB", "p"},   /* [8] */
185                     {" Tebibyte", " TiB", "t"},   /* [9] */
186                     {" Gibibyte", " GiB", "g"},   /* [10] */
187                     {" Mebibyte", " MiB", "m"},   /* [11] */
188                     {" Kibibyte", " KiB", "k"},   /* [12] */
189 
190                     /* BASE_1000 - Used if cmd->si_unit_consistency = 1 */
191                     {" Exabyte",  " EB", "E"},    /* [13] */
192                     {" Petabyte", " PB", "P"},    /* [14] */
193                     {" Terabyte", " TB", "T"},    /* [15] */
194                     {" Gigabyte", " GB", "G"},    /* [16] */
195                     {" Megabyte", " MB", "M"},    /* [17] */
196                     {" Kilobyte", " kB", "K"},    /* [18] */
197 
198                     /* BASE_SPECIAL */
199                     {" Byte    ", " B ", "B"},    /* [19] */
200                     {" Units   ", " Un", "U"},    /* [20] */
201                     {" Sectors ", " Se", "S"},    /* [21] */
202           };
203 
204           if (!(size_buf = dm_pool_alloc(cmd->mem, SIZE_BUF))) {
205                     log_error("no memory for size display buffer");
206                     return "";
207           }
208 
209           suffix = cmd->current_settings.suffix;
210 
211           if (!cmd->si_unit_consistency) {
212                     /* Case-independent match */
213                     for (s = 0; s < NUM_UNIT_PREFIXES; s++)
214                               if (toupper((int) cmd->current_settings.unit_type) ==
215                                   *size_str[BASE_SHARED + s][2]) {
216                                         base = BASE_SHARED;
217                                         break;
218                               }
219           } else {
220                     /* Case-dependent match for powers of 1000 */
221                     for (s = 0; s < NUM_UNIT_PREFIXES; s++)
222                               if (cmd->current_settings.unit_type ==
223                                   *size_str[BASE_1000 + s][2]) {
224                                         base = BASE_1000;
225                                         break;
226                               }
227 
228                     /* Case-dependent match for powers of 1024 */
229                     if (base == BASE_UNKNOWN)
230                               for (s = 0; s < NUM_UNIT_PREFIXES; s++)
231                               if (cmd->current_settings.unit_type ==
232                                   *size_str[BASE_1024 + s][2]) {
233                                         base = BASE_1024;
234                                         break;
235                               }
236           }
237 
238           if (base == BASE_UNKNOWN)
239                     /* Check for special units - s, b or u */
240                     for (s = 0; s < NUM_SPECIAL; s++)
241                               if (toupper((int) cmd->current_settings.unit_type) ==
242                                   *size_str[BASE_SPECIAL + s][2]) {
243                                         base = BASE_SPECIAL;
244                                         break;
245                               }
246 
247           if (size == UINT64_C(0)) {
248                     if (base == BASE_UNKNOWN)
249                               s = 0;
250                     sprintf(size_buf, "0%s", suffix ? size_str[base + s][sl] : "");
251                     return size_buf;
252           }
253 
254           size *= UINT64_C(512);
255 
256           if (base != BASE_UNKNOWN)
257                     byte = cmd->current_settings.unit_factor;
258           else {
259                     /* Human-readable style */
260                     if (cmd->current_settings.unit_type == 'H') {
261                               units = UINT64_C(1000);
262                               base = BASE_1000;
263                     } else {
264                               units = UINT64_C(1024);
265                               base = BASE_1024;
266                     }
267 
268                     if (!cmd->si_unit_consistency)
269                               base = BASE_SHARED;
270 
271                     byte = units * units * units * units * units * units;
272 
273                     for (s = 0; s < NUM_UNIT_PREFIXES && size < byte; s++)
274                               byte /= units;
275 
276                     suffix = 1;
277           }
278 
279           /* FIXME Make precision configurable */
280           switch(toupper((int) cmd->current_settings.unit_type)) {
281           case 'B':
282           case 'S':
283                     precision = 0;
284                     break;
285           default:
286                     precision = 2;
287           }
288 
289           snprintf(size_buf, SIZE_BUF - 1, "%.*f%s", precision,
290                      (double) size / byte, suffix ? size_str[base + s][sl] : "");
291 
292           return size_buf;
293 }
294 
display_size_long(const struct cmd_context * cmd,uint64_t size)295 const char *display_size_long(const struct cmd_context *cmd, uint64_t size)
296 {
297           return _display_size(cmd, size, SIZE_LONG);
298 }
299 
display_size_units(const struct cmd_context * cmd,uint64_t size)300 const char *display_size_units(const struct cmd_context *cmd, uint64_t size)
301 {
302           return _display_size(cmd, size, SIZE_UNIT);
303 }
304 
display_size(const struct cmd_context * cmd,uint64_t size)305 const char *display_size(const struct cmd_context *cmd, uint64_t size)
306 {
307           return _display_size(cmd, size, SIZE_SHORT);
308 }
309 
pvdisplay_colons(const struct physical_volume * pv)310 void pvdisplay_colons(const struct physical_volume *pv)
311 {
312           char uuid[64] __attribute((aligned(8)));
313 
314           if (!pv)
315                     return;
316 
317           if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
318                     stack;
319                     return;
320           }
321 
322           log_print("%s:%s:%" PRIu64 ":-1:%u:%u:-1:%" PRIu32 ":%u:%u:%u:%s",
323                       pv_dev_name(pv), pv->vg_name, pv->size,
324                       /* FIXME pv->pv_number, Derive or remove? */
325                       pv->status,       /* FIXME Support old or new format here? */
326                       pv->status & ALLOCATABLE_PV,          /* FIXME remove? */
327                       /* FIXME pv->lv_cur, Remove? */
328                       pv->pe_size / 2,
329                       pv->pe_count,
330                       pv->pe_count - pv->pe_alloc_count,
331                       pv->pe_alloc_count, *uuid ? uuid : "none");
332 
333           return;
334 }
335 
pvdisplay_segments(const struct physical_volume * pv)336 void pvdisplay_segments(const struct physical_volume *pv)
337 {
338           const struct pv_segment *pvseg;
339 
340           if (pv->pe_size)
341                     log_print("--- Physical Segments ---");
342 
343           dm_list_iterate_items(pvseg, &pv->segments) {
344                     log_print("Physical extent %u to %u:",
345                                 pvseg->pe, pvseg->pe + pvseg->len - 1);
346 
347                     if (pvseg_is_allocated(pvseg)) {
348                               log_print("  Logical volume\t%s%s/%s",
349                                           pvseg->lvseg->lv->vg->cmd->dev_dir,
350                                           pvseg->lvseg->lv->vg->name,
351                                           pvseg->lvseg->lv->name);
352                               log_print("  Logical extents\t%d to %d",
353                                           pvseg->lvseg->le, pvseg->lvseg->le +
354                                           pvseg->lvseg->len - 1);
355                     } else
356                               log_print("  FREE");
357           }
358 
359           log_print(" ");
360           return;
361 }
362 
363 /* FIXME Include label fields */
pvdisplay_full(const struct cmd_context * cmd,const struct physical_volume * pv,void * handle __attribute ((unused)))364 void pvdisplay_full(const struct cmd_context *cmd,
365                         const struct physical_volume *pv,
366                         void *handle __attribute((unused)))
367 {
368           char uuid[64] __attribute((aligned(8)));
369           const char *size;
370 
371           uint32_t pe_free;
372           uint64_t data_size, pvsize, unusable;
373 
374           if (!pv)
375                     return;
376 
377           if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
378                     stack;
379                     return;
380           }
381 
382           log_print("--- %sPhysical volume ---", pv->pe_size ? "" : "NEW ");
383           log_print("PV Name               %s", pv_dev_name(pv));
384           log_print("VG Name               %s%s",
385                       is_orphan(pv) ? "" : pv->vg_name,
386                       pv->status & EXPORTED_VG ? " (exported)" : "");
387 
388           data_size = (uint64_t) pv->pe_count * pv->pe_size;
389           if (pv->size > data_size + pv->pe_start) {
390                     pvsize = pv->size;
391                     unusable = pvsize - data_size;
392           } else {
393                     pvsize = data_size + pv->pe_start;
394                     unusable = pvsize - pv->size;
395           }
396 
397           size = display_size(cmd, pvsize);
398           if (data_size)
399                     log_print("PV Size               %s / not usable %s",       /*  [LVM: %s]", */
400                                 size, display_size(cmd, unusable));
401           else
402                     log_print("PV Size               %s", size);
403 
404           /* PV number not part of LVM2 design
405              log_print("PV#                   %u", pv->pv_number);
406            */
407 
408           pe_free = pv->pe_count - pv->pe_alloc_count;
409           if (pv->pe_count && (pv->status & ALLOCATABLE_PV))
410                     log_print("Allocatable           yes %s",
411                                 (!pe_free && pv->pe_count) ? "(but full)" : "");
412           else
413                     log_print("Allocatable           NO");
414 
415           /* LV count is no longer available when displaying PV
416              log_print("Cur LV                %u", vg->lv_count);
417            */
418 
419           if (cmd->si_unit_consistency)
420                     log_print("PE Size               %s", display_size(cmd, (uint64_t) pv->pe_size));
421           else
422                     log_print("PE Size (KByte)       %" PRIu32, pv->pe_size / 2);
423 
424           log_print("Total PE              %u", pv->pe_count);
425           log_print("Free PE               %" PRIu32, pe_free);
426           log_print("Allocated PE          %u", pv->pe_alloc_count);
427           log_print("PV UUID               %s", *uuid ? uuid : "none");
428           log_print(" ");
429 
430           return;
431 }
432 
pvdisplay_short(const struct cmd_context * cmd __attribute ((unused)),const struct volume_group * vg __attribute ((unused)),const struct physical_volume * pv,void * handle __attribute ((unused)))433 int pvdisplay_short(const struct cmd_context *cmd __attribute((unused)),
434                         const struct volume_group *vg __attribute((unused)),
435                         const struct physical_volume *pv,
436                         void *handle __attribute((unused)))
437 {
438           char uuid[64] __attribute((aligned(8)));
439 
440           if (!pv)
441                     return 0;
442 
443           if (!id_write_format(&pv->id, uuid, sizeof(uuid)))
444                     return_0;
445 
446           log_print("PV Name               %s     ", pv_dev_name(pv));
447           /* FIXME  pv->pv_number); */
448           log_print("PV UUID               %s", *uuid ? uuid : "none");
449           log_print("PV Status             %sallocatable",
450                       (pv->status & ALLOCATABLE_PV) ? "" : "NOT ");
451           log_print("Total PE / Free PE    %u / %u",
452                       pv->pe_count, pv->pe_count - pv->pe_alloc_count);
453 
454           log_print(" ");
455           return 0;
456 }
457 
lvdisplay_colons(const struct logical_volume * lv)458 void lvdisplay_colons(const struct logical_volume *lv)
459 {
460           int inkernel;
461           struct lvinfo info;
462           inkernel = lv_info(lv->vg->cmd, lv, &info, 1, 0) && info.exists;
463 
464           log_print("%s%s/%s:%s:%d:%d:-1:%d:%" PRIu64 ":%d:-1:%d:%d:%d:%d",
465                       lv->vg->cmd->dev_dir,
466                       lv->vg->name,
467                       lv->name,
468                       lv->vg->name,
469                       (lv->status & (LVM_READ | LVM_WRITE)) >> 8, inkernel ? 1 : 0,
470                       /* FIXME lv->lv_number,  */
471                       inkernel ? info.open_count : 0, lv->size, lv->le_count,
472                       /* FIXME Add num allocated to struct! lv->lv_allocated_le, */
473                       (lv->alloc == ALLOC_CONTIGUOUS ? 2 : 0), lv->read_ahead,
474                       inkernel ? info.major : -1, inkernel ? info.minor : -1);
475           return;
476 }
477 
lvdisplay_full(struct cmd_context * cmd,const struct logical_volume * lv,void * handle __attribute ((unused)))478 int lvdisplay_full(struct cmd_context *cmd,
479                        const struct logical_volume *lv,
480                        void *handle __attribute((unused)))
481 {
482           struct lvinfo info;
483           int inkernel, snap_active = 0;
484           char uuid[64] __attribute((aligned(8)));
485           struct lv_segment *snap_seg = NULL, *mirror_seg = NULL;
486           float snap_percent; /* fused, fsize; */
487           percent_range_t percent_range;
488 
489           if (!id_write_format(&lv->lvid.id[1], uuid, sizeof(uuid)))
490                     return_0;
491 
492           inkernel = lv_info(cmd, lv, &info, 1, 1) && info.exists;
493 
494           log_print("--- Logical volume ---");
495 
496           log_print("LV Name                %s%s/%s", lv->vg->cmd->dev_dir,
497                       lv->vg->name, lv->name);
498           log_print("VG Name                %s", lv->vg->name);
499 
500           log_print("LV UUID                %s", uuid);
501 
502           log_print("LV Write Access        %s",
503                       (lv->status & LVM_WRITE) ? "read/write" : "read only");
504 
505           if (lv_is_origin(lv)) {
506                     log_print("LV snapshot status     source of");
507 
508                     dm_list_iterate_items_gen(snap_seg, &lv->snapshot_segs,
509                                                origin_list) {
510                               if (inkernel &&
511                                   (snap_active = lv_snapshot_percent(snap_seg->cow,
512                                                                              &snap_percent,
513                                                                              &percent_range)))
514                                         if (percent_range == PERCENT_INVALID)
515                                                   snap_active = 0;
516                               log_print("                       %s%s/%s [%s]",
517                                           lv->vg->cmd->dev_dir, lv->vg->name,
518                                           snap_seg->cow->name,
519                                           snap_active ? "active" : "INACTIVE");
520                     }
521                     snap_seg = NULL;
522           } else if ((snap_seg = find_cow(lv))) {
523                     if (inkernel &&
524                         (snap_active = lv_snapshot_percent(snap_seg->cow,
525                                                                    &snap_percent,
526                                                                    &percent_range)))
527                               if (percent_range == PERCENT_INVALID)
528                                         snap_active = 0;
529 
530                     log_print("LV snapshot status     %s destination for %s%s/%s",
531                                 snap_active ? "active" : "INACTIVE",
532                                 lv->vg->cmd->dev_dir, lv->vg->name,
533                                 snap_seg->origin->name);
534           }
535 
536           if (inkernel && info.suspended)
537                     log_print("LV Status              suspended");
538           else
539                     log_print("LV Status              %savailable",
540                                 inkernel ? "" : "NOT ");
541 
542 /********* FIXME lv_number
543     log_print("LV #                   %u", lv->lv_number + 1);
544 ************/
545 
546           if (inkernel)
547                     log_print("# open                 %u", info.open_count);
548 
549           log_print("LV Size                %s",
550                       display_size(cmd,
551                                      snap_seg ? snap_seg->origin->size : lv->size));
552 
553           log_print("Current LE             %u",
554                       snap_seg ? snap_seg->origin->le_count : lv->le_count);
555 
556           if (snap_seg) {
557                     log_print("COW-table size         %s",
558                                 display_size(cmd, (uint64_t) lv->size));
559                     log_print("COW-table LE           %u", lv->le_count);
560 
561                     if (snap_active)
562                               log_print("Allocated to snapshot  %.2f%% ", snap_percent);
563 
564                     log_print("Snapshot chunk size    %s",
565                                 display_size(cmd, (uint64_t) snap_seg->chunk_size));
566           }
567 
568           if (lv->status & MIRRORED) {
569                     mirror_seg = first_seg(lv);
570                     log_print("Mirrored volumes       %" PRIu32, mirror_seg->area_count);
571                     if (lv->status & CONVERTING)
572                               log_print("LV type        Mirror undergoing conversion");
573           }
574 
575           log_print("Segments               %u", dm_list_size(&lv->segments));
576 
577 /********* FIXME Stripes & stripesize for each segment
578           log_print("Stripe size            %s", display_size(cmd, (uint64_t) lv->stripesize));
579 ***********/
580 
581           log_print("Allocation             %s", get_alloc_string(lv->alloc));
582           if (lv->read_ahead == DM_READ_AHEAD_AUTO)
583                     log_print("Read ahead sectors     auto");
584           else if (lv->read_ahead == DM_READ_AHEAD_NONE)
585                     log_print("Read ahead sectors     0");
586           else
587                     log_print("Read ahead sectors     %u", lv->read_ahead);
588 
589           if (inkernel && lv->read_ahead != info.read_ahead)
590                     log_print("- currently set to     %u", info.read_ahead);
591 
592           if (lv->status & FIXED_MINOR) {
593                     if (lv->major >= 0)
594                               log_print("Persistent major       %d", lv->major);
595                     log_print("Persistent minor       %d", lv->minor);
596           }
597 
598           if (inkernel)
599                     log_print("Block device           %d:%d", info.major,
600                                 info.minor);
601 
602           log_print(" ");
603 
604           return 0;
605 }
606 
display_stripe(const struct lv_segment * seg,uint32_t s,const char * pre)607 void display_stripe(const struct lv_segment *seg, uint32_t s, const char *pre)
608 {
609           switch (seg_type(seg, s)) {
610           case AREA_PV:
611                     /* FIXME Re-check the conditions for 'Missing' */
612                     log_print("%sPhysical volume\t%s", pre,
613                                 seg_pv(seg, s) ?
614                                 pv_dev_name(seg_pv(seg, s)) :
615                                   "Missing");
616 
617                     if (seg_pv(seg, s))
618                               log_print("%sPhysical extents\t%d to %d", pre,
619                                           seg_pe(seg, s),
620                                           seg_pe(seg, s) + seg->area_len - 1);
621                     break;
622           case AREA_LV:
623                     log_print("%sLogical volume\t%s", pre,
624                                 seg_lv(seg, s) ?
625                                 seg_lv(seg, s)->name : "Missing");
626 
627                     if (seg_lv(seg, s))
628                               log_print("%sLogical extents\t%d to %d", pre,
629                                           seg_le(seg, s),
630                                           seg_le(seg, s) + seg->area_len - 1);
631                     break;
632           case AREA_UNASSIGNED:
633                     log_print("%sUnassigned area", pre);
634           }
635 }
636 
lvdisplay_segments(const struct logical_volume * lv)637 int lvdisplay_segments(const struct logical_volume *lv)
638 {
639           const struct lv_segment *seg;
640 
641           log_print("--- Segments ---");
642 
643           dm_list_iterate_items(seg, &lv->segments) {
644                     log_print("Logical extent %u to %u:",
645                                 seg->le, seg->le + seg->len - 1);
646 
647                     log_print("  Type\t\t%s", seg->segtype->ops->name(seg));
648 
649                     if (seg->segtype->ops->display)
650                               seg->segtype->ops->display(seg);
651           }
652 
653           log_print(" ");
654           return 1;
655 }
656 
vgdisplay_extents(const struct volume_group * vg __attribute ((unused)))657 void vgdisplay_extents(const struct volume_group *vg __attribute((unused)))
658 {
659           return;
660 }
661 
vgdisplay_full(const struct volume_group * vg)662 void vgdisplay_full(const struct volume_group *vg)
663 {
664           uint32_t access_str;
665           uint32_t active_pvs;
666           char uuid[64] __attribute((aligned(8)));
667 
668           active_pvs = vg->pv_count - vg_missing_pv_count(vg);
669 
670           log_print("--- Volume group ---");
671           log_print("VG Name               %s", vg->name);
672           log_print("System ID             %s", vg->system_id);
673           log_print("Format                %s", vg->fid->fmt->name);
674           if (vg->fid->fmt->features & FMT_MDAS) {
675                     log_print("Metadata Areas        %d",
676                                 dm_list_size(&vg->fid->metadata_areas));
677                     log_print("Metadata Sequence No  %d", vg->seqno);
678           }
679           access_str = vg->status & (LVM_READ | LVM_WRITE);
680           log_print("VG Access             %s%s%s%s",
681                       access_str == (LVM_READ | LVM_WRITE) ? "read/write" : "",
682                       access_str == LVM_READ ? "read" : "",
683                       access_str == LVM_WRITE ? "write" : "",
684                       access_str == 0 ? "error" : "");
685           log_print("VG Status             %s%sresizable",
686                       vg_is_exported(vg) ? "exported/" : "",
687                       vg_is_resizeable(vg) ? "" : "NOT ");
688           /* vg number not part of LVM2 design
689              log_print ("VG #                  %u\n", vg->vg_number);
690            */
691           if (vg_is_clustered(vg)) {
692                     log_print("Clustered             yes");
693                     log_print("Shared                %s",
694                                 vg->status & SHARED ? "yes" : "no");
695           }
696 
697           log_print("MAX LV                %u", vg->max_lv);
698           log_print("Cur LV                %u", vg_visible_lvs(vg));
699           log_print("Open LV               %u", lvs_in_vg_opened(vg));
700 /****** FIXME Max LV Size
701       log_print ( "MAX LV Size           %s",
702                ( s1 = display_size ( LVM_LV_SIZE_MAX(vg))));
703       free ( s1);
704 *********/
705           log_print("Max PV                %u", vg->max_pv);
706           log_print("Cur PV                %u", vg->pv_count);
707           log_print("Act PV                %u", active_pvs);
708 
709           log_print("VG Size               %s",
710                       display_size(vg->cmd,
711                                      (uint64_t) vg->extent_count * vg->extent_size));
712 
713           log_print("PE Size               %s",
714                       display_size(vg->cmd, (uint64_t) vg->extent_size));
715 
716           log_print("Total PE              %u", vg->extent_count);
717 
718           log_print("Alloc PE / Size       %u / %s",
719                       vg->extent_count - vg->free_count,
720                       display_size(vg->cmd,
721                                      ((uint64_t) vg->extent_count - vg->free_count) *
722                                      vg->extent_size));
723 
724           log_print("Free  PE / Size       %u / %s", vg->free_count,
725                       display_size(vg->cmd, vg_free(vg)));
726 
727           if (!id_write_format(&vg->id, uuid, sizeof(uuid))) {
728                     stack;
729                     return;
730           }
731 
732           log_print("VG UUID               %s", uuid);
733           log_print(" ");
734 
735           return;
736 }
737 
vgdisplay_colons(const struct volume_group * vg)738 void vgdisplay_colons(const struct volume_group *vg)
739 {
740           uint32_t active_pvs;
741           const char *access_str;
742           char uuid[64] __attribute((aligned(8)));
743 
744           active_pvs = vg->pv_count - vg_missing_pv_count(vg);
745 
746           switch (vg->status & (LVM_READ | LVM_WRITE)) {
747                     case LVM_READ | LVM_WRITE:
748                               access_str = "r/w";
749                               break;
750                     case LVM_READ:
751                               access_str = "r";
752                               break;
753                     case LVM_WRITE:
754                               access_str = "w";
755                               break;
756                     default:
757                               access_str = "";
758           }
759 
760           if (!id_write_format(&vg->id, uuid, sizeof(uuid))) {
761                     stack;
762                     return;
763           }
764 
765           log_print("%s:%s:%d:-1:%u:%u:%u:-1:%u:%u:%u:%" PRIu64 ":%" PRIu32
766                       ":%u:%u:%u:%s",
767                     vg->name,
768                     access_str,
769                     vg->status,
770                     /* internal volume group number; obsolete */
771                     vg->max_lv,
772                     vg_visible_lvs(vg),
773                     lvs_in_vg_opened(vg),
774                     /* FIXME: maximum logical volume size */
775                     vg->max_pv,
776                     vg->pv_count,
777                     active_pvs,
778                     (uint64_t) vg->extent_count * (vg->extent_size / 2),
779                     vg->extent_size / 2,
780                     vg->extent_count,
781                     vg->extent_count - vg->free_count,
782                     vg->free_count,
783                     uuid[0] ? uuid : "none");
784           return;
785 }
786 
vgdisplay_short(const struct volume_group * vg)787 void vgdisplay_short(const struct volume_group *vg)
788 {
789           log_print("\"%s\" %-9s [%-9s used / %s free]", vg->name,
790 /********* FIXME if "open" print "/used" else print "/idle"???  ******/
791                       display_size(vg->cmd,
792                                      (uint64_t) vg->extent_count * vg->extent_size),
793                       display_size(vg->cmd,
794                                      ((uint64_t) vg->extent_count -
795                                         vg->free_count) * vg->extent_size),
796                       display_size(vg->cmd, vg_free(vg)));
797           return;
798 }
799 
display_formats(const struct cmd_context * cmd)800 void display_formats(const struct cmd_context *cmd)
801 {
802           const struct format_type *fmt;
803 
804           dm_list_iterate_items(fmt, &cmd->formats) {
805                     log_print("%s", fmt->name);
806           }
807 }
808 
display_segtypes(const struct cmd_context * cmd)809 void display_segtypes(const struct cmd_context *cmd)
810 {
811           const struct segment_type *segtype;
812 
813           dm_list_iterate_items(segtype, &cmd->segtypes) {
814                     log_print("%s", segtype->name);
815           }
816 }
817 
yes_no_prompt(const char * prompt,...)818 char yes_no_prompt(const char *prompt, ...)
819 {
820           int c = 0, ret = 0;
821           va_list ap;
822 
823           sigint_allow();
824           do {
825                     if (c == '\n' || !c) {
826                               va_start(ap, prompt);
827                               vprintf(prompt, ap);
828                               va_end(ap);
829                               fflush(stdout);
830                     }
831 
832                     if ((c = getchar()) == EOF) {
833                               ret = 'n';
834                               break;
835                     }
836 
837                     c = tolower(c);
838                     if ((c == 'y') || (c == 'n'))
839                               ret = c;
840           } while (!ret || c != '\n');
841 
842           sigint_restore();
843 
844           if (c != '\n')
845                     printf("\n");
846 
847           return ret;
848 }
849 
850