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/*
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* Copyright ( C ) 2001 - 2004 Sistina Software , Inc . All rights reserved .
* Copyright ( C ) 2004 - 2010 Red Hat , Inc . All rights reserved .
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*
* 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 . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*/
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# ifndef _LVM_PV_H
# define _LVM_PV_H
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struct id ;
struct device ;
struct format_type ;
struct volume_group ;
struct physical_volume {
struct id id ;
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struct id old_id ; /* Set during pvchange -u. */
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struct device * dev ;
const struct format_type * fmt ;
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struct format_instance * fid ;
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/*
* 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 ;
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/* embedding area */
uint64_t ea_start ;
uint64_t ea_size ;
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/* physical extents */
uint32_t pe_size ;
uint64_t pe_start ;
uint32_t pe_count ;
uint32_t pe_alloc_count ;
unsigned long pe_align ;
unsigned long pe_align_offset ;
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/* This is true whenever the represented PV has a label associated. */
uint64_t is_labelled : 1 ;
/* NB. label_sector is valid whenever is_labelled is true */
uint64_t label_sector ;
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struct dm_list segments ; /* Ordered pv_segments covering complete PV */
struct dm_list tags ;
} ;
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char * pv_fmt_dup ( const struct physical_volume * pv ) ;
char * pv_name_dup ( const struct physical_volume * pv ) ;
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struct device * pv_dev ( const struct physical_volume * pv ) ;
const char * pv_vg_name ( const struct physical_volume * pv ) ;
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char * pv_attr_dup ( struct dm_pool * mem , const struct physical_volume * pv ) ;
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const char * pv_dev_name ( const struct physical_volume * pv ) ;
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char * pv_uuid_dup ( const struct physical_volume * pv ) ;
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char * pv_tags_dup ( const struct physical_volume * pv ) ;
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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 ) ;
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uint64_t pv_ea_start ( const struct physical_volume * pv ) ;
uint64_t pv_ea_size ( const struct physical_volume * pv ) ;
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uint32_t pv_pe_count ( const struct physical_volume * pv ) ;
uint32_t pv_pe_alloc_count ( const struct physical_volume * pv ) ;
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uint64_t pv_mda_size ( const struct physical_volume * pv ) ;
uint64_t pv_mda_free ( const struct physical_volume * pv ) ;
uint64_t pv_used ( const struct physical_volume * pv ) ;
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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 ignored ) ;
int is_orphan ( const struct physical_volume * pv ) ;
int is_missing_pv ( const struct physical_volume * pv ) ;
int is_pv ( const struct physical_volume * pv ) ;
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# endif /* _LVM_PV_H */