1/*	$NetBSD: pvcreate.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) 2004-2009 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#include "metadata-exported.h"
20
21/*
22 * Intial sanity checking of recovery-related command-line arguments.
23 * These args are: --restorefile, --uuid, and --physicalvolumesize
24 *
25 * Output arguments:
26 * pp: structure allocated by caller, fields written / validated here
27 */
28static int pvcreate_restore_params_validate(struct cmd_context *cmd,
29					    int argc, char **argv,
30					    struct pvcreate_params *pp)
31{
32	const char *uuid = NULL;
33	void *existing_pv;
34	struct volume_group *vg;
35
36	if (arg_count(cmd, restorefile_ARG) && !arg_count(cmd, uuidstr_ARG)) {
37		log_error("--uuid is required with --restorefile");
38		return 0;
39	}
40
41	if (arg_count(cmd, uuidstr_ARG) && argc != 1) {
42		log_error("Can only set uuid on one volume at once");
43		return 0;
44	}
45
46 	if (arg_count(cmd, uuidstr_ARG)) {
47		uuid = arg_str_value(cmd, uuidstr_ARG, "");
48		if (!id_read_format(&pp->id, uuid))
49			return 0;
50		pp->idp = &pp->id;
51	}
52
53	if (arg_count(cmd, restorefile_ARG)) {
54		pp->restorefile = arg_str_value(cmd, restorefile_ARG, "");
55		/* The uuid won't already exist */
56		if (!(vg = backup_read_vg(cmd, NULL, pp->restorefile))) {
57			log_error("Unable to read volume group from %s",
58				  pp->restorefile);
59			return 0;
60		}
61		if (!(existing_pv = find_pv_in_vg_by_uuid(vg, pp->idp))) {
62			log_error("Can't find uuid %s in backup file %s",
63				  uuid, pp->restorefile);
64			return 0;
65		}
66		pp->pe_start = pv_pe_start(existing_pv);
67		pp->extent_size = pv_pe_size(existing_pv);
68		pp->extent_count = pv_pe_count(existing_pv);
69		vg_release(vg);
70	}
71
72	if (arg_sign_value(cmd, physicalvolumesize_ARG, 0) == SIGN_MINUS) {
73		log_error("Physical volume size may not be negative");
74		return 0;
75	}
76	pp->size = arg_uint64_value(cmd, physicalvolumesize_ARG, UINT64_C(0));
77
78	if (arg_count(cmd, restorefile_ARG) || arg_count(cmd, uuidstr_ARG))
79		pp->zero = 0;
80	return 1;
81}
82
83int pvcreate(struct cmd_context *cmd, int argc, char **argv)
84{
85	int i;
86	int ret = ECMD_PROCESSED;
87	struct pvcreate_params pp;
88
89	pvcreate_params_set_defaults(&pp);
90
91	if (!pvcreate_restore_params_validate(cmd, argc, argv, &pp)) {
92		return EINVALID_CMD_LINE;
93	}
94	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
95		return EINVALID_CMD_LINE;
96	}
97
98	for (i = 0; i < argc; i++) {
99		if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
100			log_error("Can't get lock for orphan PVs");
101			return ECMD_FAILED;
102		}
103
104		if (!pvcreate_single(cmd, argv[i], &pp)) {
105			stack;
106			ret = ECMD_FAILED;
107		}
108
109		unlock_vg(cmd, VG_ORPHANS);
110		if (sigint_caught())
111			return ret;
112	}
113
114	return ret;
115}
116