1 /* $NetBSD: toolcontext.h,v 1.1.1.3 2009/12/02 00:25:44 haad Exp $ */ 2 3 /* 4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. 5 * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved. 6 * 7 * This file is part of LVM2. 8 * 9 * This copyrighted material is made available to anyone wishing to use, 10 * modify, copy, or redistribute it subject to the terms and conditions 11 * of the GNU Lesser General Public License v.2.1. 12 * 13 * You should have received a copy of the GNU Lesser General Public License 14 * along with this program; if not, write to the Free Software Foundation, 15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 */ 17 18 #ifndef _LVM_TOOLCONTEXT_H 19 #define _LVM_TOOLCONTEXT_H 20 21 #include "dev-cache.h" 22 23 #include <stdio.h> 24 #include <limits.h> 25 26 /* 27 * Config options that can be changed while commands are processed 28 */ 29 struct config_info { 30 int debug; 31 int verbose; 32 int test; 33 int syslog; 34 int activation; 35 int suffix; 36 int archive; /* should we archive ? */ 37 int backup; /* should we backup ? */ 38 int read_ahead; /* DM_READ_AHEAD_NONE or _AUTO */ 39 int udev_sync; 40 int cache_vgmetadata; 41 const char *msg_prefix; 42 struct format_type *fmt; 43 uint64_t unit_factor; 44 int cmd_name; /* Show command name? */ 45 mode_t umask; 46 char unit_type; 47 char _padding[1]; 48 }; 49 50 struct config_tree; 51 struct archive_params; 52 struct backup_params; 53 54 /* FIXME Split into tool & library contexts */ 55 /* command-instance-related variables needed by library */ 56 struct cmd_context { 57 struct dm_pool *libmem; /* For permanent config data */ 58 struct dm_pool *mem; /* Transient: Cleared between each command */ 59 60 const struct format_type *fmt; /* Current format to use by default */ 61 struct format_type *fmt_backup; /* Format to use for backups */ 62 63 struct dm_list formats; /* Available formats */ 64 struct dm_list segtypes; /* Available segment types */ 65 const char *hostname; 66 const char *kernel_vsn; 67 68 unsigned rand_seed; 69 const char *cmd_line; 70 struct command *command; 71 char **argv; 72 unsigned is_long_lived:1; /* Optimises persistent_filter handling */ 73 unsigned handles_missing_pvs:1; 74 unsigned handles_unknown_segments:1; 75 unsigned partial_activation:1; 76 unsigned si_unit_consistency:1; 77 78 struct dev_filter *filter; 79 int dump_filter; /* Dump filter when exiting? */ 80 81 struct dm_list config_files; 82 int config_valid; 83 struct config_tree *cft; 84 struct config_tree *cft_override; 85 struct config_info default_settings; 86 struct config_info current_settings; 87 88 struct archive_params *archive_params; 89 struct backup_params *backup_params; 90 const char *stripe_filler; 91 92 /* List of defined tags */ 93 struct dm_list tags; 94 int hosttags; 95 96 char system_dir[PATH_MAX]; 97 char dev_dir[PATH_MAX]; 98 char proc_dir[PATH_MAX]; 99 char sysfs_dir[PATH_MAX]; 100 }; 101 102 /* 103 * system_dir may be NULL to use the default value. 104 * The environment variable LVM_SYSTEM_DIR always takes precedence. 105 */ 106 struct cmd_context *create_toolcontext(unsigned is_long_lived, 107 const char *system_dir); 108 void destroy_toolcontext(struct cmd_context *cmd); 109 int refresh_toolcontext(struct cmd_context *cmd); 110 int refresh_filters(struct cmd_context *cmd); 111 int config_files_changed(struct cmd_context *cmd); 112 int init_lvmcache_orphans(struct cmd_context *cmd); 113 114 #endif 115