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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2010 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_PV_H
#define _LVM_PV_H
#include "lib/uuid/uuid.h"
#include "device_mapper/all.h"
struct device;
struct format_type;
struct volume_group;
struct physical_volume {
struct id id;
struct id old_id; /* Set during pvchange -u. */
struct device *dev;
const char *device_hint; /* primary name last time metadata was written */
const struct format_type *fmt;
struct format_instance *fid;
/*
* vg_name and vgid are used before the parent VG struct exists.
* FIXME: Investigate removal/substitution with 'vg' fields.
*/
const char *vg_name;
struct id vgid;
/*
* 'vg' is set and maintained when the PV belongs to a 'pvs'
* list in a parent VG struct.
*/
struct volume_group *vg;
uint64_t status;
uint64_t size;
/* bootloader area */
uint64_t ba_start;
uint64_t ba_size;
/* physical extents */
uint32_t pe_size;
uint64_t pe_start;
uint32_t pe_count;
uint32_t pe_alloc_count;
uint64_t pe_align;
uint64_t pe_align_offset;
/* This is true whenever the represented PV has a label associated. */
uint64_t is_labelled:1;
uint64_t unused_missing_cleared:1;
/* NB. label_sector is valid whenever is_labelled is true */
uint64_t label_sector;
struct dm_list segments; /* Ordered pv_segments covering complete PV */
struct dm_list tags;
};
char *pv_fmt_dup(const struct physical_volume *pv);
char *pv_name_dup(struct dm_pool *mem, const struct physical_volume *pv);
struct device *pv_dev(const struct physical_volume *pv);
const char *pv_vg_name(const struct physical_volume *pv);
char *pv_attr_dup(struct dm_pool *mem, const struct physical_volume *pv);
const char *pv_dev_name(const struct physical_volume *pv);
char *pv_uuid_dup(struct dm_pool *mem, const struct physical_volume *pv);
char *pv_tags_dup(const struct physical_volume *pv);
uint64_t pv_size(const struct physical_volume *pv);
uint64_t pv_size_field(const struct physical_volume *pv);
uint64_t pv_dev_size(const struct physical_volume *pv);
uint64_t pv_free(const struct physical_volume *pv);
uint64_t pv_status(const struct physical_volume *pv);
uint32_t pv_pe_size(const struct physical_volume *pv);
uint64_t pv_pe_start(const struct physical_volume *pv);
uint64_t pv_ba_start(const struct physical_volume *pv);
uint64_t pv_ba_size(const struct physical_volume *pv);
uint32_t pv_pe_count(const struct physical_volume *pv);
uint32_t pv_pe_alloc_count(const struct physical_volume *pv);
uint64_t pv_mda_size(const struct physical_volume *pv);
struct lvmcache_info;
uint64_t lvmcache_info_mda_free(struct lvmcache_info *info);
uint64_t pv_mda_free(const struct physical_volume *pv);
uint64_t pv_used(const struct physical_volume *pv);
uint32_t pv_mda_count(const struct physical_volume *pv);
uint32_t pv_mda_used_count(const struct physical_volume *pv);
unsigned pv_mda_set_ignored(const struct physical_volume *pv, unsigned mda_ignored);
int is_orphan(const struct physical_volume *pv);
int is_missing_pv(const struct physical_volume *pv);
int is_used_pv(const struct physical_volume *pv);
int is_pv(const struct physical_volume *pv);
struct label *pv_label(const struct physical_volume *pv);
#endif /* _LVM_PV_H */
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