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85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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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 General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _SEGTYPES_H
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#define _SEGTYPES_H
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struct segtype_handler;
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struct cmd_context;
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struct config_tree;
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struct lv_segment;
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struct formatter;
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struct config_node;
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struct hash_table;
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struct dev_manager;
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/* Feature flags */
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#define SEG_CAN_SPLIT 0x00000001
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#define SEG_AREAS_STRIPED 0x00000002
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#define SEG_AREAS_MIRRORED 0x00000004
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#define SEG_FORMAT1_SUPPORT 0x00000008
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struct segment_type {
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struct list list;
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struct cmd_context *cmd;
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uint32_t flags;
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struct segtype_handler *ops;
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const char *name;
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void *library;
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void *private;
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};
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struct segtype_handler {
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const char *(*name) (const struct lv_segment * seg);
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void (*display) (const struct lv_segment * seg);
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int (*text_export) (const struct lv_segment * seg,
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struct formatter * f);
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int (*text_import_area_count) (struct config_node * sn,
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uint32_t *area_count);
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int (*text_import) (struct lv_segment * seg,
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const struct config_node * sn,
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struct hash_table * pv_hash);
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int (*merge_segments) (struct lv_segment * seg1,
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struct lv_segment * seg2);
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int (*compose_target_line) (struct dev_manager * dm, struct pool * mem,
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struct config_tree * cft,
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void **target_state,
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struct lv_segment * seg, char *params,
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size_t paramsize, const char **target,
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int *pos, uint32_t *pvmove_mirror_count);
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int (*target_percent) (void **target_state, struct pool * mem,
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struct config_tree * cft,
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struct lv_segment * seg, char *params,
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uint64_t *total_numerator,
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uint64_t *total_denominator, float *percent);
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int (*target_present) (void);
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void (*destroy) (const struct segment_type * segtype);
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};
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struct segment_type *get_segtype_from_string(struct cmd_context *cmd,
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const char *str);
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struct segment_type *init_striped_segtype(struct cmd_context *cmd);
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#ifdef SNAPSHOT_INTERNAL
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struct segment_type *init_snapshot_segtype(struct cmd_context *cmd);
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#endif
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#ifdef MIRRORED_INTERNAL
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struct segment_type *init_mirrored_segtype(struct cmd_context *cmd);
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#endif
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#endif
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