1 /*- 2 * Copyright (c) 1997, 1998 3 * Nan Yang Computer Services Limited. All rights reserved. 4 * 5 * This software is distributed under the so-called ``Berkeley 6 * License'': 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the Company nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * This software is provided ``as is'', and any express or implied 21 * warranties, including, but not limited to, the implied warranties of 22 * merchantability and fitness for a particular purpose are disclaimed. 23 * In no event shall the company or contributors be liable for any 24 * direct, indirect, incidental, special, exemplary, or consequential 25 * damages (including, but not limited to, procurement of substitute 26 * goods or services; loss of use, data, or profits; or business 27 * interruption) however caused and on any theory of liability, whether 28 * in contract, strict liability, or tort (including negligence or 29 * otherwise) arising in any way out of the use of this software, even if 30 * advised of the possibility of such damage. 31 */ 32 33 /* 34 * $Id: vext.h,v 1.17 2000/05/07 04:17:12 grog Exp grog $ 35 * $FreeBSD: src/sbin/vinum/vext.h,v 1.16.2.2 2000/06/08 01:53:16 grog Exp $ 36 */ 37 38 #define MAXARGS 64 /* maximum number of args on a line */ 39 #define PLEXINITSIZE 65536 /* init in this size chunks */ 40 #define MAXPLEXINITSIZE 65536 /* max chunk size to use for init */ 41 #define MAXDATETEXT 128 /* date text in history (far too much) */ 42 43 enum { 44 KILOBYTE = 1024, 45 MEGABYTE = 1048576, 46 GIGABYTE = 1073741824 47 }; 48 49 #define VINUMMOD "vinum" 50 51 #define DEFAULT_HISTORYFILE "/var/log/vinum_history" /* default name for history stuff */ 52 53 /* Prototype declarations */ 54 void parseline(int c, char *args[]); /* parse a line with c parameters at args */ 55 void checkentry(int index); 56 int haveargs(int); /* check arg, error message if not valid */ 57 void setsigs(); 58 void catchsig(int ignore) __dead2; 59 void vinum_create(int argc, char *argv[], char *arg0[]); 60 void vinum_read(int argc, char *argv[], char *arg0[]); 61 void vinum_modify(int argc, char *argv[], char *arg0[]); 62 void vinum_volume(int argc, char *argv[], char *arg0[]); 63 void vinum_plex(int argc, char *argv[], char *arg0[]); 64 void vinum_sd(int argc, char *argv[], char *arg0[]); 65 void vinum_drive(int argc, char *argv[], char *arg0[]); 66 void vinum_list(int argc, char *argv[], char *arg0[]); 67 void vinum_info(int argc, char *argv[], char *arg0[]); 68 void vinum_set(int argc, char *argv[], char *arg0[]); 69 void vinum_rm(int argc, char *argv[], char *arg0[]); 70 void vinum_mv(int argc, char *argv[], char *arg0[]); 71 void vinum_init(int argc, char *argv[], char *arg0[]); 72 void initvol(int volno); 73 void initplex(int plexno, char *name); 74 void initsd(int sdno, int dowait); 75 void vinum_resetconfig(int argc, char *argv[], char *arg0[]); 76 void vinum_start(int argc, char *argv[], char *arg0[]); 77 void continue_revive(int plexno); 78 void vinum_stop(int argc, char *argv[], char *arg0[]); 79 void vinum_makedev(int argc, char *argv[], char *arg0[]); 80 void vinum_help(int argc, char *argv[], char *arg0[]); 81 void vinum_quit(int argc, char *argv[], char *arg0[]) __dead2; 82 void vinum_setdaemon(int argc, char *argv[], char *arg0[]); 83 void vinum_replace(int argc, char *argv[], char *arg0[]); 84 void vinum_readpol(int argc, char *argv[], char *arg0[]); 85 void reset_volume_stats(int volno, int recurse); 86 void reset_plex_stats(int plexno, int recurse); 87 void reset_sd_stats(int sdno, int recurse); 88 void reset_drive_stats(int driveno); 89 void vinum_resetstats(int argc, char *argv[], char *arg0[]); 90 void vinum_attach(int argc, char *argv[], char *argv0[]); 91 void vinum_detach(int argc, char *argv[], char *argv0[]); 92 void vinum_rename(int argc, char *argv[], char *argv0[]); 93 void vinum_rename_2(char *, char *); 94 void vinum_replace(int argc, char *argv[], char *argv0[]); 95 void vinum_printconfig(int argc, char *argv[], char *argv0[]); 96 void printconfig(FILE * of, char *comment); 97 void vinum_saveconfig(int argc, char *argv[], char *argv0[]); 98 int checkupdates(); 99 void genvolname(); 100 struct drive *create_drive(char *devicename); 101 void vinum_concat(int argc, char *argv[], char *argv0[]); 102 void vinum_stripe(int argc, char *argv[], char *argv0[]); 103 void vinum_raid4(int argc, char *argv[], char *argv0[]); 104 void vinum_raid5(int argc, char *argv[], char *argv0[]); 105 void vinum_mirror(int argc, char *argv[], char *argv0[]); 106 void vinum_label(int argc, char *argv[], char *arg0[]); 107 void vinum_ld(int argc, char *argv[], char *arg0[]); 108 void vinum_ls(int argc, char *argv[], char *arg0[]); 109 void vinum_lp(int argc, char *argv[], char *arg0[]); 110 void vinum_lv(int argc, char *argv[], char *arg0[]); 111 void vinum_setstate(int argc, char *argv[], char *argv0[]); 112 void vinum_checkparity(int argc, char *argv[], char *argv0[]); 113 void vinum_rebuildparity(int argc, char *argv[], char *argv0[]); 114 void parityops(int argc, char *argv[], enum parityop op); 115 void start_daemon(void); 116 #ifdef VINUMDEBUG 117 void vinum_debug(int argc, char *argv[], char *arg0[]); 118 #endif 119 struct drive *find_drive_by_devname(char *name); 120 void make_devices(void); 121 void make_vol_dev(int, int); 122 void make_plex_dev(int, int); 123 void make_sd_dev(int); 124 void list_defective_objects(); 125 void vinum_dumpconfig(int argc, char *argv[], char *argv0[]); 126 void dumpconfig(char *part); 127 int check_drive(char *devicename); 128 void get_drive_info(struct drive *drive, int index); 129 void get_sd_info(struct sd *sd, int index); 130 void get_plex_sd_info(struct sd *sd, int plexno, int sdno); 131 void get_plex_info(struct plex *plex, int index); 132 void get_volume_info(struct volume *volume, int index); 133 struct drive *find_drive_by_devname(char *name); 134 int find_object(const char *name, enum objecttype *type); 135 char *lltoa(int64_t l, char *s); 136 void vinum_ldi(int, int); 137 void vinum_lvi(int, int); 138 void vinum_lpi(int, int); 139 void vinum_lsi(int, int); 140 int vinum_li(int object, enum objecttype type); 141 char *roughlength(int64_t bytes, int); 142 u_int64_t sizespec(char *spec); 143 144 void timestamp(); 145 146 extern int force; /* set to 1 to force some dangerous ops */ 147 extern int interval; /* interval in ms between init/revive */ 148 extern int vflag; /* set verbose operation or verify */ 149 extern int Verbose; /* very verbose operation */ 150 extern int recurse; /* set recursion */ 151 extern int sflag; /* show statistics */ 152 extern int SSize; /* sector size for revive */ 153 extern int dowait; /* wait for children to exit */ 154 extern char *objectname; /* name for some functions */ 155 156 extern FILE *hist; /* history file */ 157 158 /* Structures to read kernel data into */ 159 extern struct _vinum_conf vinum_conf; /* configuration information */ 160 161 extern struct volume vol; 162 extern struct plex plex; 163 extern struct sd sd; 164 extern struct drive drive; 165 166 extern jmp_buf command_fail; /* return on a failed command */ 167 extern int superdev; /* vinum super device */ 168 169 extern int line; /* stdin line number for error messages */ 170 extern int file_line; /* and line in input file (yes, this is tacky) */ 171 172 extern char buffer[]; /* buffer to read in to */ 173 174 #define min(a, b) a < b? a: b 175