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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* Copyright (C) 2018 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef DEVICE_MAPPER_VDO_TARGET_H
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#define DEVICE_MAPPER_VDO_TARGET_H
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#include <stdbool.h>
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#include <stdint.h>
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//----------------------------------------------------------------
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enum vdo_operating_mode {
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VDO_MODE_RECOVERING,
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VDO_MODE_READ_ONLY,
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VDO_MODE_NORMAL
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};
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enum vdo_compression_state {
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VDO_COMPRESSION_ONLINE,
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VDO_COMPRESSION_OFFLINE
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};
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enum vdo_index_state {
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VDO_INDEX_ERROR,
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VDO_INDEX_CLOSED,
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VDO_INDEX_OPENING,
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VDO_INDEX_CLOSING,
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VDO_INDEX_OFFLINE,
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VDO_INDEX_ONLINE,
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VDO_INDEX_UNKNOWN
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};
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struct vdo_status {
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const char *device;
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enum vdo_operating_mode operating_mode;
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bool recovering;
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enum vdo_index_state index_state;
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enum vdo_compression_state compression_state;
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uint64_t used_blocks;
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uint64_t total_blocks;
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};
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void vdo_status_destroy(struct vdo_status *s);
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#define VDO_MAX_ERROR 256
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struct parse_result {
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char error[VDO_MAX_ERROR];
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struct vdo_status *result;
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};
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// Parses the status line from the kernel target.
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bool parse_vdo_status(const char *input, struct parse_result *result);
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//----------------------------------------------------------------
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#endif
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