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/*
* Copyright ( C ) 2018 Red Hat , Inc . All rights reserved .
*
* This file is part of the device - mapper userspace tools .
*
* 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 DEVICE_MAPPER_VDO_TARGET_H
# define DEVICE_MAPPER_VDO_TARGET_H
# include <stdbool.h>
# include <stdint.h>
//----------------------------------------------------------------
enum vdo_operating_mode {
VDO_MODE_RECOVERING ,
VDO_MODE_READ_ONLY ,
VDO_MODE_NORMAL
} ;
enum vdo_compression_state {
VDO_COMPRESSION_ONLINE ,
VDO_COMPRESSION_OFFLINE
} ;
enum vdo_index_state {
VDO_INDEX_ERROR ,
VDO_INDEX_CLOSED ,
VDO_INDEX_OPENING ,
VDO_INDEX_CLOSING ,
VDO_INDEX_OFFLINE ,
VDO_INDEX_ONLINE ,
VDO_INDEX_UNKNOWN
} ;
struct vdo_status {
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char * device ;
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enum vdo_operating_mode operating_mode ;
bool recovering ;
enum vdo_index_state index_state ;
enum vdo_compression_state compression_state ;
uint64_t used_blocks ;
uint64_t total_blocks ;
} ;
void vdo_status_destroy ( struct vdo_status * s ) ;
# define VDO_MAX_ERROR 256
struct parse_result {
char error [ VDO_MAX_ERROR ] ;
struct vdo_status * result ;
} ;
// Parses the status line from the kernel target.
bool parse_vdo_status ( const char * input , struct parse_result * result ) ;
//----------------------------------------------------------------
# endif