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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 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 General Public License v.2.
*
* You should have received a copy of the GNU 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
*/
#ifndef LVM_ACTIVATE_H
#define LVM_ACTIVATE_H
#include "metadata.h"
struct lvinfo {
int exists;
int suspended;
unsigned int open_count;
int major;
int minor;
int read_only;
int live_table;
int inactive_table;
};
void set_activation(int activation);
int activation(void);
int driver_version(char *version, size_t size);
int library_version(char *version, size_t size);
int lvm1_present(struct cmd_context *cmd);
int target_present(const char *target_name, int use_modprobe);
int target_version(const char *target_name, uint32_t *maj,
uint32_t *min, uint32_t *patchlevel);
void activation_release(void);
void activation_exit(void);
int lv_suspend(struct cmd_context *cmd, const char *lvid_s);
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s);
int lv_resume(struct cmd_context *cmd, const char *lvid_s);
int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s);
int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive);
int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s,
int exclusive);
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s);
int lv_mknodes(struct cmd_context *cmd, const struct logical_volume *lv);
/*
* Returns 1 if info structure has been populated, else 0.
*/
int lv_info(struct cmd_context *cmd, const struct logical_volume *lv, struct lvinfo *info,
int with_open_count);
int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s,
struct lvinfo *info, int with_open_count);
/*
* Returns 1 if activate_lv has been set: 1 = activate; 0 = don't.
*/
int lv_activation_filter(struct cmd_context *cmd, const char *lvid_s,
int *activate_lv);
/*
* Returns 1 if percent has been set, else 0.
*/
int lv_snapshot_percent(const struct logical_volume *lv, float *percent);
int lv_mirror_percent(struct cmd_context *cmd, struct logical_volume *lv,
int wait, float *percent, uint32_t *event_nr);
/*
* Return number of LVs in the VG that are active.
*/
int lvs_in_vg_activated(struct volume_group *vg);
int lvs_in_vg_opened(struct volume_group *vg);
int register_dev_for_events(struct cmd_context *cmd,
struct logical_volume *lv, int do_reg);
/*
* Returns 1 if PV has a dependency tree that uses anything in VG.
*/
int pv_uses_vg(struct physical_volume *pv,
struct volume_group *vg);
#endif
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