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a4fef143cd
e.g. lvcreate -l 100%FREE to create an LV using all available space.
lvextend -l 50%LV to increase an LV by 50% of its existing size.
lvcreate -l 20%VG to create an LV using 20% of the total VG size.
168 lines
4.5 KiB
C
168 lines
4.5 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 _LVM_TOOLS_H
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#define _LVM_TOOLS_H
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#define _GNU_SOURCE
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#define _FILE_OFFSET_BITS 64
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#include <configure.h>
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#include <assert.h>
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#include <libdevmapper.h>
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#include "lvm-types.h"
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#include "log.h"
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#include "activate.h"
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#include "archiver.h"
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#include "lvmcache.h"
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#include "config.h"
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#include "defaults.h"
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#include "dev-cache.h"
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#include "device.h"
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#include "display.h"
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#include "errors.h"
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#include "filter.h"
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#include "filter-composite.h"
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#include "filter-persistent.h"
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#include "filter-regex.h"
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#include "format-text.h"
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#include "metadata.h"
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#include "list.h"
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#include "locking.h"
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#include "lvm-exec.h"
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#include "lvm-file.h"
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#include "lvm-string.h"
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#include "segtype.h"
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#include "str_list.h"
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#include "toolcontext.h"
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#include "toollib.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#define CMD_LEN 256
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#define MAX_ARGS 64
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/* command functions */
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typedef int (*command_fn) (struct cmd_context * cmd, int argc, char **argv);
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#define xx(a, b...) int a(struct cmd_context *cmd, int argc, char **argv);
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#include "commands.h"
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#undef xx
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/* define the enums for the command line switches */
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enum {
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#define arg(a, b, c, d) a ,
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#include "args.h"
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#undef arg
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};
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typedef enum {
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SIGN_NONE = 0,
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SIGN_PLUS = 1,
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SIGN_MINUS = 2
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} sign_t;
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typedef enum {
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PERCENT_NONE = 0,
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PERCENT_VG,
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PERCENT_FREE,
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PERCENT_LV
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} percent_t;
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enum {
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CHANGE_AY = 0,
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CHANGE_AN = 1,
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CHANGE_AE = 2,
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CHANGE_ALY = 3,
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CHANGE_ALN = 4
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};
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/* a global table of possible arguments */
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struct arg {
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const char short_arg;
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char _padding[7];
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const char *long_arg;
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int (*fn) (struct cmd_context * cmd, struct arg * a);
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unsigned count;
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char *value;
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int32_t i_value;
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uint32_t ui_value;
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int64_t i64_value;
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uint64_t ui64_value;
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sign_t sign;
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percent_t percent;
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void *ptr;
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};
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/* a register of the lvm commands */
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struct command {
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const char *name;
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const char *desc;
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const char *usage;
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command_fn fn;
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int num_args;
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int *valid_args;
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};
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void usage(const char *name);
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/* the argument verify/normalise functions */
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int yes_no_arg(struct cmd_context *cmd, struct arg *a);
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int yes_no_excl_arg(struct cmd_context *cmd, struct arg *a);
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int size_kb_arg(struct cmd_context *cmd, struct arg *a);
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int size_mb_arg(struct cmd_context *cmd, struct arg *a);
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int int_arg(struct cmd_context *cmd, struct arg *a);
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int int_arg_with_sign(struct cmd_context *cmd, struct arg *a);
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int int_arg_with_sign_and_percent(struct cmd_context *cmd, struct arg *a);
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int major_arg(struct cmd_context *cmd, struct arg *a);
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int minor_arg(struct cmd_context *cmd, struct arg *a);
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int string_arg(struct cmd_context *cmd, struct arg *a);
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int tag_arg(struct cmd_context *cmd, struct arg *a);
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int permission_arg(struct cmd_context *cmd, struct arg *a);
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int metadatatype_arg(struct cmd_context *cmd, struct arg *a);
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int units_arg(struct cmd_context *cmd, struct arg *a);
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int segtype_arg(struct cmd_context *cmd, struct arg *a);
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int alloc_arg(struct cmd_context *cmd, struct arg *a);
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char yes_no_prompt(const char *prompt, ...);
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/* we use the enums to access the switches */
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unsigned int arg_count(struct cmd_context *cmd, int a);
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const char *arg_value(struct cmd_context *cmd, int a);
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const char *arg_str_value(struct cmd_context *cmd, int a, const char *def);
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int32_t arg_int_value(struct cmd_context *cmd, int a, const int32_t def);
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uint32_t arg_uint_value(struct cmd_context *cmd, int a, const uint32_t def);
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int64_t arg_int64_value(struct cmd_context *cmd, int a, const int64_t def);
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uint64_t arg_uint64_value(struct cmd_context *cmd, int a, const uint64_t def);
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const void *arg_ptr_value(struct cmd_context *cmd, int a, const void *def);
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sign_t arg_sign_value(struct cmd_context *cmd, int a, const sign_t def);
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percent_t arg_percent_value(struct cmd_context *cmd, int a, const percent_t def);
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int arg_count_increment(struct cmd_context *cmd, int a);
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const char *command_name(struct cmd_context *cmd);
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int pvmove_poll(struct cmd_context *cmd, const char *pv, unsigned background);
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#endif
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