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9e300c84 1/*
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2 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
3 * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
9e300c84 4 *
6606c3ae 5 * This file is part of LVM2.
9e300c84 6 *
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7 * This copyrighted material is made available to anyone wishing to use,
8 * modify, copy, or redistribute it subject to the terms and conditions
9 * of the GNU General Public License v.2.
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10 *
11 * You should have received a copy of the GNU General Public License
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12 * along with this program; if not, write to the Free Software Foundation,
13 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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14 */
15
16#include "tools.h"
17
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18int pv_max_name_len = 0;
19int vg_max_name_len = 0;
20
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21static void _pvscan_display_single(struct cmd_context *cmd,
22 struct physical_volume *pv, void *handle)
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23{
24 char uuid[64];
8ef2b021 25 unsigned int vg_name_len = 0;
5a52dca9 26
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27 char pv_tmp_name[NAME_LEN] = { 0, };
28 char vg_tmp_name[NAME_LEN] = { 0, };
29 char vg_name_this[NAME_LEN] = { 0, };
30
31 /* short listing? */
32 if (arg_count(cmd, short_ARG) > 0) {
33 log_print("%s", dev_name(pv->dev));
34 return;
35 }
36
37 if (arg_count(cmd, verbose_ARG) > 1) {
38 /* FIXME As per pv_display! Drop through for now. */
39 /* pv_show(pv); */
40
41 /* FIXME - Moved to Volume Group structure */
42 /* log_print("System Id %s", pv->vg->system_id); */
43
44 /* log_print(" "); */
45 /* return; */
46 }
47
48 memset(pv_tmp_name, 0, sizeof(pv_tmp_name));
49
50 vg_name_len = strlen(pv->vg_name) + 1;
51
52 if (arg_count(cmd, uuid_ARG)) {
53 if (!id_write_format(&pv->id, uuid, sizeof(uuid))) {
54 stack;
55 return;
56 }
57
58 sprintf(pv_tmp_name, "%-*s with UUID %s",
59 pv_max_name_len - 2, dev_name(pv->dev), uuid);
60 } else {
61 sprintf(pv_tmp_name, "%s", dev_name(pv->dev));
62 }
63
64 if (!*pv->vg_name) {
65 log_print("PV %-*s %-*s %s [%s]",
66 pv_max_name_len, pv_tmp_name,
67 vg_max_name_len, " ",
68 pv->fmt ? pv->fmt->name : " ",
30bab85b 69 display_size(cmd, pv->size, SIZE_SHORT));
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70 return;
71 }
72
73 if (pv->status & EXPORTED_VG) {
74 strncpy(vg_name_this, pv->vg_name, vg_name_len);
75 log_print("PV %-*s is in exported VG %s "
76 "[%s / %s free]",
77 pv_max_name_len, pv_tmp_name,
4c64ed4c 78 vg_name_this,
8ef2b021 79 display_size(cmd, (uint64_t) pv->pe_count *
30bab85b 80 pv->pe_size, SIZE_SHORT),
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81 display_size(cmd, (uint64_t) (pv->pe_count -
82 pv->pe_alloc_count)
30bab85b 83 * pv->pe_size, SIZE_SHORT));
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84 return;
85 }
86
87 sprintf(vg_tmp_name, "%s", pv->vg_name);
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88 log_print("PV %-*s VG %-*s %s [%s / %s free]", pv_max_name_len,
89 pv_tmp_name, vg_max_name_len, vg_tmp_name,
90 pv->fmt ? pv->fmt->name : " ",
91 display_size(cmd, (uint64_t) pv->pe_count * pv->pe_size,
92 SIZE_SHORT),
93 display_size(cmd,
94 (uint64_t) (pv->pe_count - pv->pe_alloc_count) *
95 pv->pe_size,
96 SIZE_SHORT));
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97 return;
98}
99
60274aba 100int pvscan(struct cmd_context *cmd, int argc, char **argv)
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101{
102 int new_pvs_found = 0;
103 int pvs_found = 0;
9e300c84 104
8ef2b021 105 struct list *pvslist;
b6c041d7 106 struct pv_list *pvl;
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107 struct physical_volume *pv;
108
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109 uint64_t size_total = 0;
110 uint64_t size_new = 0;
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111
112 int len = 0;
113 pv_max_name_len = 0;
114 vg_max_name_len = 0;
115
6fda126d 116 if (arg_count(cmd, novolumegroup_ARG) && arg_count(cmd, exported_ARG)) {
b6c041d7 117 log_error("Options -e and -n are incompatible");
ee1f91bf 118 return EINVALID_CMD_LINE;
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119 }
120
6fda126d 121 if (arg_count(cmd, exported_ARG) || arg_count(cmd, novolumegroup_ARG))
9e300c84 122 log_print("WARNING: only considering physical volumes %s",
6fda126d 123 arg_count(cmd, exported_ARG) ?
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124 "of exported volume group(s)" : "in no volume group");
125
60274aba 126 persistent_filter_wipe(cmd->filter);
914c9723 127 lvmcache_destroy();
5a52dca9 128
d2393d23 129 log_verbose("Walking through all physical volumes");
8ef2b021 130 if (!(pvslist = get_pvs(cmd)))
ee1f91bf 131 return ECMD_FAILED;
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132
133 /* eliminate exported/new if required */
f2b7349e 134 list_iterate_items(pvl, pvslist) {
cc282870 135 pv = pvl->pv;
9e300c84 136
25b73380 137 if ((arg_count(cmd, exported_ARG)
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138 && !(pv->status & EXPORTED_VG))
139 || (arg_count(cmd, novolumegroup_ARG) && (*pv->vg_name))) {
1b9fcf48 140 list_del(&pvl->list);
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141 continue;
142 }
143
144 /* Also check for MD use? */
145/*******
146 if (MAJOR(pv_create_kdev_t(pv[p]->pv_name)) != MD_MAJOR) {
147 log_print
148 ("WARNING: physical volume \"%s\" belongs to a meta device",
149 pv[p]->pv_name);
150 }
151 if (MAJOR(pv[p]->pv_dev) != MD_MAJOR)
152 continue;
153********/
154 pvs_found++;
25d42d50 155
b6c041d7 156 if (!*pv->vg_name) {
9e300c84 157 new_pvs_found++;
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158 size_new += pv->size;
159 size_total += pv->size;
1b9fcf48 160 } else
607131b6 161 size_total += pv->pe_count * pv->pe_size;
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162 }
163
164 /* find maximum pv name length */
165 pv_max_name_len = vg_max_name_len = 0;
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166 list_iterate_items(pvl, pvslist) {
167 pv = pvl->pv;
c7f0b573 168 len = strlen(dev_name(pv->dev));
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169 if (pv_max_name_len < len)
170 pv_max_name_len = len;
171 len = strlen(pv->vg_name);
172 if (vg_max_name_len < len)
173 vg_max_name_len = len;
174 }
175 pv_max_name_len += 2;
176 vg_max_name_len += 2;
177
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178 list_iterate_items(pvl, pvslist)
179 _pvscan_display_single(cmd, pvl->pv, NULL);
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180
181 if (!pvs_found) {
182 log_print("No matching physical volumes found");
cfb7bfc7 183 return ECMD_PROCESSED;
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184 }
185
b6c041d7 186 log_print("Total: %d [%s] / in use: %d [%s] / in no VG: %d [%s]",
9e300c84 187 pvs_found,
30bab85b 188 display_size(cmd, size_total, SIZE_SHORT),
9e300c84 189 pvs_found - new_pvs_found,
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190 display_size(cmd, (size_total - size_new), SIZE_SHORT),
191 new_pvs_found, display_size(cmd, size_new, SIZE_SHORT));
9e300c84 192
cfb7bfc7 193 return ECMD_PROCESSED;
9e300c84 194}
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