sbin/vinum/vext.h

   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  * $DragonFly: src/sbin/vinum/vext.h,v 1.4 2007/07/29 23:27:34 dillon Exp $
  37  */
  38
  39 #define MAXARGS 64                                          /* maximum number of args on a line */
  40 #define PLEXINITSIZE 65536                                  /* init in this size chunks */
  41 #define MAXPLEXINITSIZE 65536                               /* max chunk size to use for init */
  42 #define MAXDATETEXT 128                                     /* date text in history (far too much) */
  43
  44 enum {
  45     KILOBYTE = 1024,
  46     MEGABYTE = 1048576,
  47     GIGABYTE = 1073741824
  48 };
  49
  50 #define VINUMMOD "vinum"
  51
  52 #define DEFAULT_HISTORYFILE "/var/log/vinum_history"        /* default name for history stuff */
  53
  54 /* Prototype declarations */
  55 void parseline(int c, char *args[]);                        /* parse a line with c parameters at args */
  56 void checkentry(int index);
  57 int haveargs(int);                                          /* check arg, error message if not valid */
  58 void setsigs();
  59 void catchsig(int ignore);
  60 void vinum_create(int argc, char *argv[], char *arg0[]);
  61 void vinum_read(int argc, char *argv[], char *arg0[]);
  62 void vinum_modify(int argc, char *argv[], char *arg0[]);
  63 void vinum_volume(int argc, char *argv[], char *arg0[]);
  64 void vinum_plex(int argc, char *argv[], char *arg0[]);
  65 void vinum_sd(int argc, char *argv[], char *arg0[]);
  66 void vinum_drive(int argc, char *argv[], char *arg0[]);
  67 void vinum_list(int argc, char *argv[], char *arg0[]);
  68 void vinum_info(int argc, char *argv[], char *arg0[]);
  69 void vinum_set(int argc, char *argv[], char *arg0[]);
  70 void vinum_rm(int argc, char *argv[], char *arg0[]);
  71 void vinum_mv(int argc, char *argv[], char *arg0[]);
  72 void vinum_init(int argc, char *argv[], char *arg0[]);
  73 void initvol(int volno);
  74 void initplex(int plexno, char *name);
  75 void initsd(int sdno, int dowait);
  76 void vinum_resetconfig(int argc, char *argv[], char *arg0[]);
  77 void vinum_start(int argc, char *argv[], char *arg0[]);
  78 void continue_revive(int plexno);
  79 void vinum_stop(int argc, char *argv[], char *arg0[]);
  80 void vinum_makedev(int argc, char *argv[], char *arg0[]);
  81 void vinum_help(int argc, char *argv[], char *arg0[]);
  82 void vinum_quit(int argc, char *argv[], char *arg0[]);
  83 void vinum_setdaemon(int argc, char *argv[], char *arg0[]);
  84 void vinum_replace(int argc, char *argv[], char *arg0[]);
  85 void vinum_readpol(int argc, char *argv[], char *arg0[]);
  86 void reset_volume_stats(int volno, int recurse);
  87 void reset_plex_stats(int plexno, int recurse);
  88 void reset_sd_stats(int sdno, int recurse);
  89 void reset_drive_stats(int driveno);
  90 void vinum_resetstats(int argc, char *argv[], char *arg0[]);
  91 void vinum_attach(int argc, char *argv[], char *argv0[]);
  92 void vinum_detach(int argc, char *argv[], char *argv0[]);
  93 void vinum_rename(int argc, char *argv[], char *argv0[]);
  94 void vinum_rename_2(char *, char *);
  95 void vinum_replace(int argc, char *argv[], char *argv0[]);
  96 void vinum_printconfig(int argc, char *argv[], char *argv0[]);
  97 void printconfig(FILE * of, char *comment);
  98 void vinum_saveconfig(int argc, char *argv[], char *argv0[]);
  99 int checkupdates();
 100 void genvolname();
 101 struct drive *create_drive(char *devicename);
 102 void vinum_concat(int argc, char *argv[], char *argv0[]);
 103 void vinum_stripe(int argc, char *argv[], char *argv0[]);
 104 void vinum_raid4(int argc, char *argv[], char *argv0[]);
 105 void vinum_raid5(int argc, char *argv[], char *argv0[]);
 106 void vinum_mirror(int argc, char *argv[], char *argv0[]);
 107 void vinum_label(int argc, char *argv[], char *arg0[]);
 108 void vinum_ld(int argc, char *argv[], char *arg0[]);
 109 void vinum_ls(int argc, char *argv[], char *arg0[]);
 110 void vinum_lp(int argc, char *argv[], char *arg0[]);
 111 void vinum_lv(int argc, char *argv[], char *arg0[]);
 112 void vinum_setstate(int argc, char *argv[], char *argv0[]);
 113 void vinum_checkparity(int argc, char *argv[], char *argv0[]);
 114 void vinum_rebuildparity(int argc, char *argv[], char *argv0[]);
 115 void parityops(int argc, char *argv[], enum parityop op);
 116 void start_daemon(void);
 117 #ifdef VINUMDEBUG
 118 void vinum_debug(int argc, char *argv[], char *arg0[]);
 119 #endif
 120 struct drive *find_drive_by_devname(char *name);
 121 void make_devices(void);
 122 void make_vol_dev(int, int);
 123 void make_plex_dev(int, int);
 124 void make_sd_dev(int);
 125 void list_defective_objects();
 126 void vinum_dumpconfig(int argc, char *argv[], char *argv0[]);
 127 void dumpconfig(char *part);
 128 int check_drive(char *devicename);
 129 void get_drive_info(struct drive *drive, int index);
 130 void get_sd_info(struct sd *sd, int index);
 131 void get_plex_sd_info(struct sd *sd, int plexno, int sdno);
 132 void get_plex_info(struct plex *plex, int index);
 133 void get_volume_info(struct volume *volume, int index);
 134 struct drive *find_drive_by_devname(char *name);
 135 int find_object(const char *name, enum objecttype *type);
 136 char *lltoa(int64_t l, char *s);
 137 void vinum_ldi(int, int);
 138 void vinum_lvi(int, int);
 139 void vinum_lpi(int, int);
 140 void vinum_lsi(int, int);
 141 int vinum_li(int object, enum objecttype type);
 142 char *roughlength(int64_t bytes, int);
 143 u_int64_t sizespec(char *spec);
 144
 145 void timestamp();
 146
 147 extern int force;                                           /* set to 1 to force some dangerous ops */
 148 extern int interval;                                        /* interval in ms between init/revive */
 149 extern int vflag;                                           /* set verbose operation or verify */
 150 extern int Verbose;                                         /* very verbose operation */
 151 extern int recurse;                                         /* set recursion */
 152 extern int sflag;                                           /* show statistics */
 153 extern int SSize;                                           /* sector size for revive */
 154 extern int dowait;                                          /* wait for children to exit */
 155 extern char *objectname;                                    /* name for some functions */
 156
 157 extern FILE *hist;                                          /* history file */
 158
 159 /* Structures to read kernel data into */
 160 extern struct _vinum_conf vinum_conf;                       /* configuration information */
 161
 162 extern struct volume vol;
 163 extern struct plex plex;
 164 extern struct sd sd;
 165 extern struct drive drive;
 166
 167 extern jmp_buf command_fail;                                /* return on a failed command */
 168 extern int superdev;                                        /* vinum super device */
 169
 170 extern int line;                                            /* stdin line number for error messages */
 171 extern int file_line;                                       /* and line in input file (yes, this is tacky) */
 172
 173 extern char buffer[];                                       /* buffer to read in to */
 174
 175 #define min(a, b) a < b? a: b