1/*	$NetBSD: pvdisplay.c,v 1.1.1.2 2009/12/02 00:25:54 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 "tools.h"
19
20static int _pvdisplay_single(struct cmd_context *cmd,
21			     struct volume_group *vg,
22			     struct physical_volume *pv, void *handle)
23{
24	struct pv_list *pvl;
25	int ret = ECMD_PROCESSED;
26	uint64_t size;
27	struct volume_group *old_vg = vg;
28
29	const char *pv_name = pv_dev_name(pv);
30	const char *vg_name = NULL;
31
32	if (!is_orphan(pv) && !vg) {
33		vg_name = pv_vg_name(pv);
34		vg = vg_read(cmd, vg_name, (char *)&pv->vgid, 0);
35		if (vg_read_error(vg)) {
36			log_error("Skipping volume group %s", vg_name);
37			vg_release(vg);
38			/* FIXME If CLUSTERED should return ECMD_PROCESSED here */
39			return ECMD_FAILED;
40		}
41
42	 	/*
43		 * Replace possibly incomplete PV structure with new one
44		 * allocated in vg_read_internal() path.
45		 */
46		 if (!(pvl = find_pv_in_vg(vg, pv_name))) {
47			 log_error("Unable to find \"%s\" in volume group \"%s\"",
48				   pv_name, vg->name);
49			 ret = ECMD_FAILED;
50			 goto out;
51		 }
52
53		 pv = pvl->pv;
54	}
55
56	if (is_orphan(pv))
57		size = pv_size(pv);
58	else
59		size = (pv_pe_count(pv) - pv_pe_alloc_count(pv)) *
60			pv_pe_size(pv);
61
62	if (arg_count(cmd, short_ARG)) {
63		log_print("Device \"%s\" has a capacity of %s", pv_name,
64			  display_size(cmd, size));
65		goto out;
66	}
67
68	if (pv_status(pv) & EXPORTED_VG)
69		log_print("Physical volume \"%s\" of volume group \"%s\" "
70			  "is exported", pv_name, pv_vg_name(pv));
71
72	if (is_orphan(pv))
73		log_print("\"%s\" is a new physical volume of \"%s\"",
74			  pv_name, display_size(cmd, size));
75
76	if (arg_count(cmd, colon_ARG)) {
77		pvdisplay_colons(pv);
78		goto out;
79	}
80
81	pvdisplay_full(cmd, pv, handle);
82
83	if (arg_count(cmd, maps_ARG))
84		pvdisplay_segments(pv);
85
86out:
87	if (vg_name)
88		unlock_vg(cmd, vg_name);
89	if (!old_vg)
90		vg_release(vg);
91
92	return ret;
93}
94
95int pvdisplay(struct cmd_context *cmd, int argc, char **argv)
96{
97	if (arg_count(cmd, columns_ARG)) {
98		if (arg_count(cmd, colon_ARG) || arg_count(cmd, maps_ARG) ||
99		    arg_count(cmd, short_ARG)) {
100			log_error("Incompatible options selected");
101			return EINVALID_CMD_LINE;
102		}
103		return pvs(cmd, argc, argv);
104	} else if (arg_count(cmd, aligned_ARG) ||
105		   arg_count(cmd, all_ARG) ||
106		   arg_count(cmd, noheadings_ARG) ||
107		   arg_count(cmd, options_ARG) ||
108		   arg_count(cmd, separator_ARG) ||
109		   arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
110		log_error("Incompatible options selected");
111		return EINVALID_CMD_LINE;
112	}
113
114	if (arg_count(cmd, colon_ARG) && arg_count(cmd, maps_ARG)) {
115		log_error("Option -v not allowed with option -c");
116		return EINVALID_CMD_LINE;
117	}
118
119	return process_each_pv(cmd, argc, argv, NULL, 0, 0, NULL,
120			       _pvdisplay_single);
121}
122