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lvm2/tools/tools.h
David Teigland 74ba326007 man: use Size variable for a number with unit 
Define a separate variable type Size to represent
a number that takes an optional UNIT.
2017-02-24 13:44:05 -06:00

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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2015 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 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 _LVM_TOOLS_H
#define _LVM_TOOLS_H
#include "tool.h"
#include "lvm-logging.h"
#include "activate.h"
#include "archiver.h"
#include "lvmcache.h"
#include "lvmetad.h"
#include "lvmlockd.h"
#include "lvm-version.h"
#include "config.h"
#include "defaults.h"
#include "dev-cache.h"
#include "device.h"
#include "display.h"
#include "errors.h"
#include "metadata-exported.h"
#include "locking.h"
#include "lvm-exec.h"
#include "lvm-file.h"
#include "lvm-signal.h"
#include "lvm-string.h"
#include "segtype.h"
#include "str_list.h"
#include "toolcontext.h"
#include "toollib.h"
#include "lvmnotify.h"
#include <ctype.h>
#include <sys/types.h>
#define CMD_LEN 256
#define MAX_ARGS 64
/* define the enums for each unique ID in command defs in command-lines.in */
enum {
#define cmd(a, b) a ,
#include "cmds.h"
#undef cmd
};
/* define the enums for the values accepted by command line --options, foo_VAL */
enum {
#define val(a, b, c, d) a ,
#include "vals.h"
#undef val
};
/* define the enums for the command line --options, foo_ARG */
enum {
#define arg(a, b, c, d, e, f, g) a ,
#include "args.h"
#undef arg
};
/* command functions */
#define xx(a, b...) int a(struct cmd_context *cmd, int argc, char **argv);
#include "commands.h"
#undef xx
/* define enums for LV properties, foo_LVP */
enum {
#define lvp(a, b, c) a ,
#include "lv_props.h"
#undef lvp
};
/* define enums for LV types, foo_LVT */
enum {
#define lvt(a, b, c) a ,
#include "lv_types.h"
#undef lvt
};
#include "command.h"
#include "command-count.h"
#define ARG_COUNTABLE 0x00000001 /* E.g. -vvvv */
#define ARG_GROUPABLE 0x00000002 /* E.g. --addtag */
struct arg_values {
unsigned count;
char *value;
int32_t i_value;
uint32_t ui_value;
int64_t i64_value;
uint64_t ui64_value;
sign_t sign;
percent_type_t percent;
/* void *ptr; // Currently not used. */
};
/* a global table of possible --option's */
struct arg_props {
int arg_enum; /* foo_ARG from args.h */
const char short_arg;
char _padding[7];
const char *long_arg;
int val_enum; /* foo_VAL from vals.h */
uint32_t flags;
uint32_t prio;
const char *desc;
};
struct arg_value_group_list {
struct dm_list list;
struct arg_values arg_values[0];
uint32_t prio;
};
/* a global table of possible --option values */
struct val_props {
int val_enum; /* foo_VAL from vals.h */
int (*fn) (struct cmd_context *cmd, struct arg_values *av);
const char *name;
const char *usage;
};
/* a global table of possible LV properties */
struct lv_props {
int lvp_enum; /* is_foo_LVP from lv_props.h */
const char *name; /* "lv_is_foo" used in command-lines.in */
int (*fn) (struct cmd_context *cmd, struct logical_volume *lv); /* lv_is_foo() */
};
/* a global table of possible LV types */
/* (as exposed externally in command line interface, not exactly as internal segtype is used) */
struct lv_types {
int lvt_enum; /* is_foo_LVT from lv_types.h */
const char *name; /* "foo" used in command-lines.in, i.e. LV_foo */
int (*fn) (struct cmd_context *cmd, struct logical_volume *lv); /* lv_is_foo() */
};
#define CACHE_VGMETADATA 0x00000001
#define PERMITTED_READ_ONLY 0x00000002
/* Process all VGs if none specified on the command line. */
#define ALL_VGS_IS_DEFAULT 0x00000004
/* Process all devices with --all if none are specified on the command line. */
#define ENABLE_ALL_DEVS 0x00000008
/* Command may try to interpret a vgname arg as a uuid. */
#define ALLOW_UUID_AS_NAME 0x00000010
/* Command needs a shared lock on a VG; it only reads the VG. */
#define LOCKD_VG_SH 0x00000020
/* Command does not process any metadata. */
#define NO_METADATA_PROCESSING 0x00000040
/* Command wants to scan for new devices and force labels to be read from them all. */
#define REQUIRES_FULL_LABEL_SCAN 0x00000080
/* Command must use all specified arg names and fail if all cannot be used. */
#define MUST_USE_ALL_ARGS 0x00000100
/* Command wants to control the device scan for lvmetad itself. */
#define NO_LVMETAD_AUTOSCAN 0x00000200
/* Command should process unused duplicate devices. */
#define ENABLE_DUPLICATE_DEVS 0x00000400
/* Command does not accept tags as args. */
#define DISALLOW_TAG_ARGS 0x00000800
/* Command may need to find VG name in an option value. */
#define GET_VGNAME_FROM_OPTIONS 0x00001000
void usage(const char *name);
/* the argument verify/normalise functions */
int yes_no_arg(struct cmd_context *cmd, struct arg_values *av);
int activation_arg(struct cmd_context *cmd, struct arg_values *av);
int cachemode_arg(struct cmd_context *cmd, struct arg_values *av);
int discards_arg(struct cmd_context *cmd, struct arg_values *av);
int mirrorlog_arg(struct cmd_context *cmd, struct arg_values *av);
int size_kb_arg(struct cmd_context *cmd, struct arg_values *av);
int size_mb_arg(struct cmd_context *cmd, struct arg_values *av);
int size_mb_arg_with_percent(struct cmd_context *cmd, struct arg_values *av);
int int_arg(struct cmd_context *cmd, struct arg_values *av);
int uint32_arg(struct cmd_context *cmd, struct arg_values *av);
int int_arg_with_sign(struct cmd_context *cmd, struct arg_values *av);
int extents_arg(struct cmd_context *cmd, struct arg_values *av);
int major_arg(struct cmd_context *cmd, struct arg_values *av);
int minor_arg(struct cmd_context *cmd, struct arg_values *av);
int string_arg(struct cmd_context *cmd, struct arg_values *av);
int tag_arg(struct cmd_context *cmd, struct arg_values *av);
int permission_arg(struct cmd_context *cmd, struct arg_values *av);
int metadatatype_arg(struct cmd_context *cmd, struct arg_values *av);
int units_arg(struct cmd_context *cmd, struct arg_values *av);
int segtype_arg(struct cmd_context *cmd, struct arg_values *av);
int alloc_arg(struct cmd_context *cmd, struct arg_values *av);
int locktype_arg(struct cmd_context *cmd, struct arg_values *av);
int readahead_arg(struct cmd_context *cmd, struct arg_values *av);
int regionsize_arg(struct cmd_context *cmd, struct arg_values *av);
int vgmetadatacopies_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int pvmetadatacopies_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int metadatacopies_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int polloperation_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int writemostly_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int syncaction_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int reportformat_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int configreport_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
int configtype_arg(struct cmd_context *cmd __attribute__((unused)), struct arg_values *av);
/* we use the enums to access the switches */
unsigned arg_count(const struct cmd_context *cmd, int a);
unsigned arg_is_set(const struct cmd_context *cmd, int a);
int arg_from_list_is_set(const struct cmd_context *cmd, const char *err_found, ...);
int arg_outside_list_is_set(const struct cmd_context *cmd, const char *err_found, ...);
int arg_from_list_is_negative(const struct cmd_context *cmd, const char *err_found, ...);
int arg_from_list_is_zero(const struct cmd_context *cmd, const char *err_found, ...);
const char *arg_long_option_name(int a);
const char *arg_value(const struct cmd_context *cmd, int a);
const char *arg_str_value(const struct cmd_context *cmd, int a, const char *def);
int32_t arg_int_value(const struct cmd_context *cmd, int a, const int32_t def);
int32_t first_grouped_arg_int_value(const struct cmd_context *cmd, int a, const int32_t def);
uint32_t arg_uint_value(const struct cmd_context *cmd, int a, const uint32_t def);
int64_t arg_int64_value(const struct cmd_context *cmd, int a, const int64_t def);
uint64_t arg_uint64_value(const struct cmd_context *cmd, int a, const uint64_t def);
const void *arg_ptr_value(const struct cmd_context *cmd, int a, const void *def);
sign_t arg_sign_value(const struct cmd_context *cmd, int a, const sign_t def);
percent_type_t arg_percent_value(const struct cmd_context *cmd, int a, const percent_type_t def);
int arg_count_increment(struct cmd_context *cmd, int a);
unsigned grouped_arg_count(const struct arg_values *av, int a);
unsigned grouped_arg_is_set(const struct arg_values *av, int a);
const char *grouped_arg_str_value(const struct arg_values *av, int a, const char *def);
int32_t grouped_arg_int_value(const struct arg_values *av, int a, const int32_t def);
const char *command_name(struct cmd_context *cmd);
int pvmove_poll(struct cmd_context *cmd, const char *pv_name, const char *uuid,
const char *vg_name, const char *lv_name, unsigned background);
int lvconvert_poll(struct cmd_context *cmd, struct logical_volume *lv, unsigned background);
int mirror_remove_missing(struct cmd_context *cmd,
struct logical_volume *lv, int force);
int vgchange_activate(struct cmd_context *cmd, struct volume_group *vg,
activation_change_t activate);
int vgchange_background_polling(struct cmd_context *cmd, struct volume_group *vg);
struct lv_props *get_lv_prop(int lvp_enum);
struct lv_types *get_lv_type(int lvt_enum);
struct command *get_command(int cmd_enum);
int lvchange_properties_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_activate_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_refresh_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_resync_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_syncaction_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_rebuild_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_monitor_poll_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvchange_persistent_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_repair_pvs_or_thinpool_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_replace_pv_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_merge_snapshot_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_split_snapshot_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_combine_split_snapshot_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_start_poll_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_to_pool_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_to_cache_vol_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_to_thin_with_external_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_swap_pool_metadata_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_to_pool_or_swap_metadata_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_merge_thin_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_split_cachepool_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_raid_types_cmd(struct cmd_context * cmd, int argc, char **argv);
int lvconvert_split_mirror_images_cmd(struct cmd_context * cmd, int argc, char **argv);
int lvconvert_merge_mirror_images_cmd(struct cmd_context *cmd, int argc, char **argv);
int lvconvert_change_mirrorlog_cmd(struct cmd_context * cmd, int argc, char **argv);
int lvconvert_change_region_size_cmd(struct cmd_context * cmd, int argc, char **argv);
int lvconvert_merge_cmd(struct cmd_context *cmd, int argc, char **argv);
#endif
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