/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 #include #define CMD_LEN 256 #define MAX_ARGS 64 /* command functions */ typedef int (*command_fn) (struct cmd_context * cmd, int argc, char **argv); #define xx(a, b...) int a(struct cmd_context *cmd, int argc, char **argv); #include "commands.h" #undef xx /* define the enums for the command line switches */ enum { #define arg(a, b, c, d, e) a , #include "args.h" #undef arg }; #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 arguments */ struct arg_props { const char short_arg; char _padding[7]; const char *long_arg; int (*fn) (struct cmd_context *cmd, struct arg_values *av); uint32_t flags; }; struct arg_value_group_list { struct dm_list list; struct arg_values arg_values[0]; }; #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 /* a register of the lvm commands */ struct command { const char *name; const char *desc; const char *usage; command_fn fn; unsigned flags; int num_args; int *valid_args; }; 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 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 int_arg_with_sign(struct cmd_context *cmd, struct arg_values *av); int int_arg_with_sign_and_percent(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 metadatacopies_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); #endif