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git://sourceware.org/git/lvm2.git
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131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the GPL.
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*/
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#ifndef DISK_REP_FORMAT1_H
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#define DISK_REP_FORMAT1_H
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#include "lvm-types.h"
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#include "metadata.h"
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#include "pool.h"
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#define MAX_PV 256
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#define MAX_LV 256
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#define MAX_VG 99
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#define UNMAPPED_EXTENT 0
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struct data_area {
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uint32_t base;
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uint32_t size;
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};
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struct pv_disk {
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uint8_t id[2];
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uint16_t version; /* lvm version */
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struct data_area pv_on_disk;
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struct data_area vg_on_disk;
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struct data_area pv_uuidlist_on_disk;
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struct data_area lv_on_disk;
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struct data_area pe_on_disk;
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uint8_t pv_uuid[NAME_LEN];
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uint8_t vg_name[NAME_LEN];
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uint8_t system_id[NAME_LEN]; /* for vgexport/vgimport */
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uint32_t pv_major;
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uint32_t pv_number;
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uint32_t pv_status;
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uint32_t pv_allocatable;
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uint32_t pv_size;
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uint32_t lv_cur;
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uint32_t pe_size;
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uint32_t pe_total;
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uint32_t pe_allocated;
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/* only present on version == 2 pv's */
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uint32_t pe_start;
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};
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struct lv_disk {
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uint8_t lv_name[NAME_LEN];
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uint8_t vg_name[NAME_LEN];
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uint32_t lv_access;
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uint32_t lv_status;
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uint32_t lv_open;
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uint32_t lv_dev;
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uint32_t lv_number;
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uint32_t lv_mirror_copies; /* for future use */
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uint32_t lv_recovery; /* " */
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uint32_t lv_schedule; /* " */
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uint32_t lv_size;
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uint32_t lv_snapshot_minor; /* minor number of original */
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uint16_t lv_chunk_size; /* chunk size of snapshot */
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uint16_t dummy;
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uint32_t lv_allocated_le;
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uint32_t lv_stripes;
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uint32_t lv_stripesize;
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uint32_t lv_badblock; /* for future use */
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uint32_t lv_allocation;
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uint32_t lv_io_timeout; /* for future use */
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uint32_t lv_read_ahead;
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};
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struct vg_disk {
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uint8_t vg_uuid[ID_LEN]; /* volume group UUID */
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uint8_t vg_name_dummy[NAME_LEN - ID_LEN]; /* rest of v1 VG name */
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uint32_t vg_number; /* volume group number */
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uint32_t vg_access; /* read/write */
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uint32_t vg_status; /* active or not */
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uint32_t lv_max; /* maximum logical volumes */
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uint32_t lv_cur; /* current logical volumes */
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uint32_t lv_open; /* open logical volumes */
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uint32_t pv_max; /* maximum physical volumes */
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uint32_t pv_cur; /* current physical volumes FU */
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uint32_t pv_act; /* active physical volumes */
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uint32_t dummy;
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uint32_t vgda; /* volume group descriptor arrays FU */
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uint32_t pe_size; /* physical extent size in sectors */
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uint32_t pe_total; /* total of physical extents */
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uint32_t pe_allocated; /* allocated physical extents */
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uint32_t pvg_total; /* physical volume groups FU */
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};
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struct pe_disk {
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uint16_t lv_num;
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uint16_t le_num;
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};
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struct uuid_list {
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struct list_head list;
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char uuid[NAME_LEN + 1];
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};
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struct lvd_list {
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struct list_head list;
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struct lv_disk lv;
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};
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struct disk_list {
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struct pool *mem;
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struct device *dev;
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struct list_head list;
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struct pv_disk pv;
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struct vg_disk vg;
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struct list_head uuids;
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struct list_head lvs;
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struct pe_disk *extents;
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};
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struct disk_list *read_pv(struct device *dev, struct pool *mem,
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const char *vg_name);
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int read_pvs_in_vg(const char *vg_name, struct dev_filter *filter,
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struct pool *mem, struct list_head *results);
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int write_pvs(struct list_head *pvs);
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#endif
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