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raidctl.c revision 1.50
      1 /*      $NetBSD: raidctl.c,v 1.50 2010/12/15 18:37:55 pooka Exp $   */
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Greg Oster
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * This program is a re-write of the original rf_ctrl program
     34  * distributed by CMU with RAIDframe 1.1.
     35  *
     36  * This program is the user-land interface to the RAIDframe kernel
     37  * driver in NetBSD.
     38  */
     39 #include <sys/cdefs.h>
     40 
     41 #ifndef lint
     42 __RCSID("$NetBSD: raidctl.c,v 1.50 2010/12/15 18:37:55 pooka Exp $");
     43 #endif
     44 
     45 
     46 #include <sys/param.h>
     47 #include <sys/ioctl.h>
     48 #include <sys/stat.h>
     49 #include <sys/disklabel.h>
     50 
     51 #include <ctype.h>
     52 #include <err.h>
     53 #include <errno.h>
     54 #include <fcntl.h>
     55 #include <stdio.h>
     56 #include <stdlib.h>
     57 #include <string.h>
     58 #include <unistd.h>
     59 #include <util.h>
     60 
     61 #include <dev/raidframe/raidframevar.h>
     62 #include <dev/raidframe/raidframeio.h>
     63 #include "rf_configure.h"
     64 #include "prog_ops.h"
     65 
     66 void	do_ioctl(int, u_long, void *, const char *);
     67 static  void rf_configure(int, char*, int);
     68 static  const char *device_status(RF_DiskStatus_t);
     69 static  void rf_get_device_status(int);
     70 static	void rf_output_configuration(int, const char *);
     71 static  void get_component_number(int, char *, int *, int *);
     72 static  void rf_fail_disk(int, char *, int);
     73 static  void usage(void);
     74 static  void get_component_label(int, char *);
     75 static  void set_component_label(int, char *);
     76 static  void init_component_labels(int, int);
     77 static  void set_autoconfig(int, int, char *);
     78 static  void add_hot_spare(int, char *);
     79 static  void remove_hot_spare(int, char *);
     80 static  void rebuild_in_place(int, char *);
     81 static  void check_status(int,int);
     82 static  void check_parity(int,int, char *);
     83 static  void do_meter(int, u_long);
     84 static  void get_bar(char *, double, int);
     85 static  void get_time_string(char *, int);
     86 static  void rf_output_pmstat(int, int);
     87 static  void rf_pm_configure(int, int, char *, int[]);
     88 
     89 int verbose;
     90 
     91 int
     92 main(int argc,char *argv[])
     93 {
     94 	int ch, i;
     95 	int num_options;
     96 	unsigned long action;
     97 	char config_filename[PATH_MAX];
     98 	char dev_name[PATH_MAX];
     99 	char name[PATH_MAX];
    100 	char component[PATH_MAX];
    101 	char autoconf[10];
    102 	char *parityconf = NULL;
    103 	int parityparams[3];
    104 	int do_output;
    105 	int do_recon;
    106 	int do_rewrite;
    107 	int is_clean;
    108 	int raidID;
    109 	int serial_number;
    110 	struct stat st;
    111 	int fd;
    112 	int force;
    113 	int openmode;
    114 
    115 	num_options = 0;
    116 	action = 0;
    117 	do_output = 0;
    118 	do_recon = 0;
    119 	do_rewrite = 0;
    120 	is_clean = 0;
    121 	serial_number = 0;
    122 	force = 0;
    123 	openmode = O_RDWR;	/* default to read/write */
    124 
    125 	while ((ch = getopt(argc, argv, "a:A:Bc:C:f:F:g:GiI:l:mM:r:R:sSpPuv"))
    126 	       != -1)
    127 		switch(ch) {
    128 		case 'a':
    129 			action = RAIDFRAME_ADD_HOT_SPARE;
    130 			strlcpy(component, optarg, sizeof(component));
    131 			num_options++;
    132 			break;
    133 		case 'A':
    134 			action = RAIDFRAME_SET_AUTOCONFIG;
    135 			strlcpy(autoconf, optarg, sizeof(autoconf));
    136 			num_options++;
    137 			break;
    138 		case 'B':
    139 			action = RAIDFRAME_COPYBACK;
    140 			num_options++;
    141 			break;
    142 		case 'c':
    143 			action = RAIDFRAME_CONFIGURE;
    144 			strlcpy(config_filename, optarg,
    145 			    sizeof(config_filename));
    146 			force = 0;
    147 			num_options++;
    148 			break;
    149 		case 'C':
    150 			strlcpy(config_filename, optarg,
    151 			    sizeof(config_filename));
    152 			action = RAIDFRAME_CONFIGURE;
    153 			force = 1;
    154 			num_options++;
    155 			break;
    156 		case 'f':
    157 			action = RAIDFRAME_FAIL_DISK;
    158 			strlcpy(component, optarg, sizeof(component));
    159 			do_recon = 0;
    160 			num_options++;
    161 			break;
    162 		case 'F':
    163 			action = RAIDFRAME_FAIL_DISK;
    164 			strlcpy(component, optarg, sizeof(component));
    165 			do_recon = 1;
    166 			num_options++;
    167 			break;
    168 		case 'g':
    169 			action = RAIDFRAME_GET_COMPONENT_LABEL;
    170 			strlcpy(component, optarg, sizeof(component));
    171 			openmode = O_RDONLY;
    172 			num_options++;
    173 			break;
    174 		case 'G':
    175 			action = RAIDFRAME_GET_INFO;
    176 			openmode = O_RDONLY;
    177 			do_output = 1;
    178 			num_options++;
    179 			break;
    180 		case 'i':
    181 			action = RAIDFRAME_REWRITEPARITY;
    182 			num_options++;
    183 			break;
    184 		case 'I':
    185 			action = RAIDFRAME_INIT_LABELS;
    186 			serial_number = atoi(optarg);
    187 			num_options++;
    188 			break;
    189 		case 'm':
    190 			action = RAIDFRAME_PARITYMAP_STATUS;
    191 			openmode = O_RDONLY;
    192 			num_options++;
    193 			break;
    194 		case 'M':
    195 			action = RAIDFRAME_PARITYMAP_SET_DISABLE;
    196 			parityconf = strdup(optarg);
    197 			num_options++;
    198 			/* XXXjld: should rf_pm_configure do the atoi()s? */
    199 			i = 0;
    200 			while (i < 3 && optind < argc &&
    201 			    isdigit((int)argv[optind][0]))
    202 				parityparams[i++] = atoi(argv[optind++]);
    203 			while (i < 3)
    204 				parityparams[i++] = 0;
    205 			break;
    206 		case 'l':
    207 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    208 			strlcpy(component, optarg, sizeof(component));
    209 			num_options++;
    210 			break;
    211 		case 'r':
    212 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    213 			strlcpy(component, optarg, sizeof(component));
    214 			num_options++;
    215 			break;
    216 		case 'R':
    217 			strlcpy(component, optarg, sizeof(component));
    218 			action = RAIDFRAME_REBUILD_IN_PLACE;
    219 			num_options++;
    220 			break;
    221 		case 's':
    222 			action = RAIDFRAME_GET_INFO;
    223 			openmode = O_RDONLY;
    224 			num_options++;
    225 			break;
    226 		case 'S':
    227 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    228 			openmode = O_RDONLY;
    229 			num_options++;
    230 			break;
    231 		case 'p':
    232 			action = RAIDFRAME_CHECK_PARITY;
    233 			openmode = O_RDONLY;
    234 			num_options++;
    235 			break;
    236 		case 'P':
    237 			action = RAIDFRAME_CHECK_PARITY;
    238 			do_rewrite = 1;
    239 			num_options++;
    240 			break;
    241 		case 'u':
    242 			action = RAIDFRAME_SHUTDOWN;
    243 			num_options++;
    244 			break;
    245 		case 'v':
    246 			verbose = 1;
    247 			/* Don't bump num_options, as '-v' is not
    248 			   an option like the others */
    249 			/* num_options++; */
    250 			break;
    251 		default:
    252 			usage();
    253 		}
    254 	argc -= optind;
    255 	argv += optind;
    256 
    257 	if ((num_options > 1) || (argc == 0))
    258 		usage();
    259 
    260 	if (prog_init && prog_init() == -1)
    261 		err(1, "init failed");
    262 
    263 	strlcpy(name, argv[0], sizeof(name));
    264 	fd = opendisk1(name, openmode, dev_name, sizeof(dev_name), 0,
    265 	    prog_open);
    266 	if (fd == -1)
    267 		err(1, "Unable to open device file: %s", name);
    268 	if (fstat(fd, &st) == -1)
    269 		err(1, "stat failure on: %s", dev_name);
    270 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode))
    271 		err(1, "invalid device: %s", dev_name);
    272 
    273 	raidID = DISKUNIT(st.st_rdev);
    274 
    275 	switch(action) {
    276 	case RAIDFRAME_ADD_HOT_SPARE:
    277 		add_hot_spare(fd, component);
    278 		break;
    279 	case RAIDFRAME_REMOVE_HOT_SPARE:
    280 		remove_hot_spare(fd, component);
    281 		break;
    282 	case RAIDFRAME_CONFIGURE:
    283 		rf_configure(fd, config_filename, force);
    284 		break;
    285 	case RAIDFRAME_SET_AUTOCONFIG:
    286 		set_autoconfig(fd, raidID, autoconf);
    287 		break;
    288 	case RAIDFRAME_COPYBACK:
    289 		printf("Copyback.\n");
    290 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    291 		if (verbose) {
    292 			sleep(3); /* XXX give the copyback a chance to start */
    293 			printf("Copyback status:\n");
    294 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    295 		}
    296 		break;
    297 	case RAIDFRAME_FAIL_DISK:
    298 		rf_fail_disk(fd, component, do_recon);
    299 		break;
    300 	case RAIDFRAME_SET_COMPONENT_LABEL:
    301 		set_component_label(fd, component);
    302 		break;
    303 	case RAIDFRAME_GET_COMPONENT_LABEL:
    304 		get_component_label(fd, component);
    305 		break;
    306 	case RAIDFRAME_INIT_LABELS:
    307 		init_component_labels(fd, serial_number);
    308 		break;
    309 	case RAIDFRAME_REWRITEPARITY:
    310 		printf("Initiating re-write of parity\n");
    311 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    312 			 "RAIDFRAME_REWRITEPARITY");
    313 		if (verbose) {
    314 			sleep(3); /* XXX give it time to get started */
    315 			printf("Parity Re-write status:\n");
    316 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    317 		}
    318 		break;
    319 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    320 		check_status(fd,1);
    321 		break;
    322 	case RAIDFRAME_GET_INFO:
    323 		if (do_output)
    324 			rf_output_configuration(fd, dev_name);
    325 		else
    326 			rf_get_device_status(fd);
    327 		break;
    328 	case RAIDFRAME_PARITYMAP_STATUS:
    329 		rf_output_pmstat(fd, raidID);
    330 		break;
    331 	case RAIDFRAME_PARITYMAP_SET_DISABLE:
    332 		rf_pm_configure(fd, raidID, parityconf, parityparams);
    333 		break;
    334 	case RAIDFRAME_REBUILD_IN_PLACE:
    335 		rebuild_in_place(fd, component);
    336 		break;
    337 	case RAIDFRAME_CHECK_PARITY:
    338 		check_parity(fd, do_rewrite, dev_name);
    339 		break;
    340 	case RAIDFRAME_SHUTDOWN:
    341 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    342 		break;
    343 	default:
    344 		break;
    345 	}
    346 
    347 	prog_close(fd);
    348 	exit(0);
    349 }
    350 
    351 void
    352 do_ioctl(int fd, unsigned long command, void *arg, const char *ioctl_name)
    353 {
    354 	if (prog_ioctl(fd, command, arg) == -1)
    355 		err(1, "ioctl (%s) failed", ioctl_name);
    356 }
    357 
    358 
    359 static void
    360 rf_configure(int fd, char *config_file, int force)
    361 {
    362 	void *generic;
    363 	RF_Config_t cfg;
    364 
    365 	if (rf_MakeConfig( config_file, &cfg ) != 0)
    366 		err(1, "Unable to create RAIDframe configuration structure");
    367 
    368 	cfg.force = force;
    369 
    370 	/*
    371 	 * Note the extra level of redirection needed here, since
    372 	 * what we really want to pass in is a pointer to the pointer to
    373 	 * the configuration structure.
    374 	 */
    375 
    376 	generic = &cfg;
    377 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    378 }
    379 
    380 static const char *
    381 device_status(RF_DiskStatus_t status)
    382 {
    383 
    384 	switch (status) {
    385 	case rf_ds_optimal:
    386 		return ("optimal");
    387 		break;
    388 	case rf_ds_failed:
    389 		return ("failed");
    390 		break;
    391 	case rf_ds_reconstructing:
    392 		return ("reconstructing");
    393 		break;
    394 	case rf_ds_dist_spared:
    395 		return ("dist_spared");
    396 		break;
    397 	case rf_ds_spared:
    398 		return ("spared");
    399 		break;
    400 	case rf_ds_spare:
    401 		return ("spare");
    402 		break;
    403 	case rf_ds_used_spare:
    404 		return ("used_spare");
    405 		break;
    406 	default:
    407 		return ("UNKNOWN");
    408 	}
    409 	/* NOTREACHED */
    410 }
    411 
    412 static void
    413 rf_get_device_status(int fd)
    414 {
    415 	RF_DeviceConfig_t device_config;
    416 	void *cfg_ptr;
    417 	int is_clean;
    418 	int i;
    419 
    420 	cfg_ptr = &device_config;
    421 
    422 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    423 
    424 	printf("Components:\n");
    425 	for(i=0; i < device_config.ndevs; i++) {
    426 		printf("%20s: %s\n", device_config.devs[i].devname,
    427 		       device_status(device_config.devs[i].status));
    428 	}
    429 	if (device_config.nspares > 0) {
    430 		printf("Spares:\n");
    431 		for(i=0; i < device_config.nspares; i++) {
    432 			printf("%20s: %s\n",
    433 			       device_config.spares[i].devname,
    434 			       device_status(device_config.spares[i].status));
    435 		}
    436 	} else {
    437 		printf("No spares.\n");
    438 	}
    439 	for(i=0; i < device_config.ndevs; i++) {
    440 		if (device_config.devs[i].status == rf_ds_optimal) {
    441 			get_component_label(fd, device_config.devs[i].devname);
    442 		} else {
    443 			printf("%s status is: %s.  Skipping label.\n",
    444 			       device_config.devs[i].devname,
    445 			       device_status(device_config.devs[i].status));
    446 		}
    447 	}
    448 
    449 	if (device_config.nspares > 0) {
    450 		for(i=0; i < device_config.nspares; i++) {
    451 			if ((device_config.spares[i].status ==
    452 			     rf_ds_optimal) ||
    453 			    (device_config.spares[i].status ==
    454 			     rf_ds_used_spare)) {
    455 				get_component_label(fd,
    456 					    device_config.spares[i].devname);
    457 			} else {
    458 				printf("%s status is: %s.  Skipping label.\n",
    459 				       device_config.spares[i].devname,
    460 				       device_status(device_config.spares[i].status));
    461 			}
    462 		}
    463 	}
    464 
    465 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    466 		 "RAIDFRAME_CHECK_PARITY");
    467 	if (is_clean) {
    468 		printf("Parity status: clean\n");
    469 	} else {
    470 		printf("Parity status: DIRTY\n");
    471 	}
    472 	check_status(fd,0);
    473 }
    474 
    475 static void
    476 rf_output_pmstat(int fd, int raidID)
    477 {
    478 	char srs[7];
    479 	unsigned int i, j;
    480 	int dis, dr;
    481 	struct rf_pmstat st;
    482 
    483 	if (prog_ioctl(fd, RAIDFRAME_PARITYMAP_STATUS, &st) == -1) {
    484 		if (errno == EINVAL) {
    485 			printf("raid%d: has no parity; parity map disabled\n",
    486 				raidID);
    487 			return;
    488 		}
    489 		err(1, "ioctl (%s) failed", "RAIDFRAME_PARITYMAP_STATUS");
    490 	}
    491 
    492 	if (st.enabled) {
    493 		if (0 > humanize_number(srs, 7, st.region_size * DEV_BSIZE,
    494 			"B", HN_AUTOSCALE, HN_NOSPACE))
    495 			strlcpy(srs, "???", 7);
    496 
    497 		printf("raid%d: parity map enabled with %u regions of %s\n",
    498 		    raidID, st.params.regions, srs);
    499 		printf("raid%d: regions marked clean after %d intervals of"
    500 		    " %d.%03ds\n", raidID, st.params.cooldown,
    501 		    st.params.tickms / 1000, st.params.tickms % 1000);
    502 		printf("raid%d: write/sync/clean counters "
    503 		    "%"PRIu64"/%"PRIu64"/%"PRIu64"\n", raidID,
    504 		    st.ctrs.nwrite, st.ctrs.ncachesync, st.ctrs.nclearing);
    505 
    506 		dr = 0;
    507 		for (i = 0; i < st.params.regions; i++)
    508 			if (isset(st.dirty, i))
    509 				dr++;
    510 		printf("raid%d: %d dirty region%s\n", raidID, dr,
    511 		    dr == 1 ? "" : "s");
    512 
    513 		if (verbose > 0) {
    514 			for (i = 0; i < RF_PARITYMAP_NBYTE; i += 32) {
    515 				printf("    ");
    516 				for (j = i; j < RF_PARITYMAP_NBYTE
    517 					 && j < i + 32; j++)
    518 					printf("%x%x", st.dirty[j] & 15,
    519 					    (st.dirty[j] >> 4) & 15);
    520 				printf("\n");
    521 			}
    522 		}
    523 	} else {
    524 		printf("raid%d: parity map disabled\n", raidID);
    525 	}
    526 
    527 	do_ioctl(fd, RAIDFRAME_PARITYMAP_GET_DISABLE, &dis,
    528 	    "RAIDFRAME_PARITYMAP_GET_DISABLE");
    529 	printf("raid%d: parity map will %s %sabled on next configure\n",
    530 	    raidID, dis == st.enabled ? "be" : "remain", dis ? "dis" : "en");
    531 }
    532 
    533 static void
    534 rf_pm_configure(int fd, int raidID, char *parityconf, int parityparams[])
    535 {
    536 	int dis;
    537 	struct rf_pmparams params;
    538 
    539 	if (strcasecmp(parityconf, "yes") == 0)
    540 		dis = 0;
    541 	else if (strcasecmp(parityconf, "no") == 0)
    542 		dis = 1;
    543 	else if (strcasecmp(parityconf, "set") == 0) {
    544 		params.cooldown = parityparams[0];
    545 		params.tickms = parityparams[1];
    546 		params.regions = parityparams[2];
    547 
    548 		do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_PARAMS, &params,
    549 		    "RAIDFRAME_PARITYMAP_SET_PARAMS");
    550 
    551 		if (params.cooldown != 0 || params.tickms != 0) {
    552 			printf("raid%d: parity cleaned after", raidID);
    553 			if (params.cooldown != 0)
    554 				printf(" %d", params.cooldown);
    555 			printf(" intervals");
    556 			if (params.tickms != 0) {
    557 				printf(" of %d.%03ds", params.tickms / 1000,
    558 				    params.tickms % 1000);
    559 			}
    560 			printf("\n");
    561 		}
    562 		if (params.regions != 0)
    563 			printf("raid%d: will use %d regions on next"
    564 			    " configuration\n", raidID, params.regions);
    565 
    566 		return;
    567 		/* XXX the control flow here could be prettier. */
    568 	} else
    569 		err(1, "`%s' is not a valid parity map command", parityconf);
    570 
    571 	do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_DISABLE, &dis,
    572 	    "RAIDFRAME_PARITYMAP_SET_DISABLE");
    573 	printf("raid%d: parity map will be %sabled on next configure\n",
    574 	    raidID, dis ? "dis" : "en");
    575 }
    576 
    577 
    578 static void
    579 rf_output_configuration(int fd, const char *name)
    580 {
    581 	RF_DeviceConfig_t device_config;
    582 	void *cfg_ptr;
    583 	int i;
    584 	RF_ComponentLabel_t component_label;
    585 	void *label_ptr;
    586 	int component_num;
    587 	int num_cols;
    588 
    589 	cfg_ptr = &device_config;
    590 
    591 	printf("# raidctl config file for %s\n", name);
    592 	printf("\n");
    593 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    594 
    595 	printf("START array\n");
    596 	printf("# numRow numCol numSpare\n");
    597 	printf("%d %d %d\n", device_config.rows, device_config.cols,
    598 	    device_config.nspares);
    599 	printf("\n");
    600 
    601 	printf("START disks\n");
    602 	for(i=0; i < device_config.ndevs; i++)
    603 		printf("%s\n", device_config.devs[i].devname);
    604 	printf("\n");
    605 
    606 	if (device_config.nspares > 0) {
    607 		printf("START spare\n");
    608 		for(i=0; i < device_config.nspares; i++)
    609 			printf("%s\n", device_config.spares[i].devname);
    610 		printf("\n");
    611 	}
    612 
    613 	for(i=0; i < device_config.ndevs; i++) {
    614 		if (device_config.devs[i].status == rf_ds_optimal)
    615 			break;
    616 	}
    617 	if (i == device_config.ndevs) {
    618 		printf("# WARNING: no optimal components; using %s\n",
    619 		    device_config.devs[0].devname);
    620 		i = 0;
    621 	}
    622 	get_component_number(fd, device_config.devs[i].devname,
    623 	    &component_num, &num_cols);
    624 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    625 	component_label.row = component_num / num_cols;
    626 	component_label.column = component_num % num_cols;
    627 	label_ptr = &component_label;
    628 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    629 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    630 
    631 	printf("START layout\n");
    632 	printf(
    633 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    634 	    (char) component_label.parityConfig);
    635 	printf("%d %d %d %c\n",
    636 	    component_label.sectPerSU, component_label.SUsPerPU,
    637 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    638 	printf("\n");
    639 
    640 	printf("START queue\n");
    641 	printf("fifo %d\n", device_config.maxqdepth);
    642 }
    643 
    644 static void
    645 get_component_number(int fd, char *component_name, int *component_number,
    646 		     int *num_columns)
    647 {
    648 	RF_DeviceConfig_t device_config;
    649 	void *cfg_ptr;
    650 	int i;
    651 	int found;
    652 
    653 	*component_number = -1;
    654 
    655 	/* Assuming a full path spec... */
    656 	cfg_ptr = &device_config;
    657 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    658 		 "RAIDFRAME_GET_INFO");
    659 
    660 	*num_columns = device_config.cols;
    661 
    662 	found = 0;
    663 	for(i=0; i < device_config.ndevs; i++) {
    664 		if (strncmp(component_name, device_config.devs[i].devname,
    665 			    PATH_MAX)==0) {
    666 			found = 1;
    667 			*component_number = i;
    668 		}
    669 	}
    670 	if (!found) { /* maybe it's a spare? */
    671 		for(i=0; i < device_config.nspares; i++) {
    672 			if (strncmp(component_name,
    673 				    device_config.spares[i].devname,
    674 				    PATH_MAX)==0) {
    675 				found = 1;
    676 				*component_number = i + device_config.ndevs;
    677 				/* the way spares are done should
    678 				   really change... */
    679 				*num_columns = device_config.cols +
    680 					device_config.nspares;
    681 			}
    682 		}
    683 	}
    684 
    685 	if (!found)
    686 		err(1,"%s is not a component of this device", component_name);
    687 }
    688 
    689 static void
    690 rf_fail_disk(int fd, char *component_to_fail, int do_recon)
    691 {
    692 	struct rf_recon_req recon_request;
    693 	int component_num;
    694 	int num_cols;
    695 
    696 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    697 
    698 	recon_request.row = component_num / num_cols;
    699 	recon_request.col = component_num % num_cols;
    700 	if (do_recon) {
    701 		recon_request.flags = RF_FDFLAGS_RECON;
    702 	} else {
    703 		recon_request.flags = RF_FDFLAGS_NONE;
    704 	}
    705 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    706 		 "RAIDFRAME_FAIL_DISK");
    707 	if (do_recon && verbose) {
    708 		printf("Reconstruction status:\n");
    709 		sleep(3); /* XXX give reconstruction a chance to start */
    710 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    711 	}
    712 }
    713 
    714 static void
    715 get_component_label(int fd, char *component)
    716 {
    717 	RF_ComponentLabel_t component_label;
    718 	void *label_ptr;
    719 	int component_num;
    720 	int num_cols;
    721 
    722 	get_component_number(fd, component, &component_num, &num_cols);
    723 
    724 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    725 	component_label.row = component_num / num_cols;
    726 	component_label.column = component_num % num_cols;
    727 
    728 	label_ptr = &component_label;
    729 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    730 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    731 
    732 	printf("Component label for %s:\n",component);
    733 
    734 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    735 	       component_label.row, component_label.column,
    736 	       component_label.num_rows, component_label.num_columns);
    737 	printf("   Version: %d, Serial Number: %d, Mod Counter: %d\n",
    738 	       component_label.version, component_label.serial_number,
    739 	       component_label.mod_counter);
    740 	printf("   Clean: %s, Status: %d\n",
    741 	       component_label.clean ? "Yes" : "No",
    742 	       component_label.status );
    743 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    744 	       component_label.sectPerSU, component_label.SUsPerPU,
    745 	       component_label.SUsPerRU);
    746 	printf("   Queue size: %d, blocksize: %d, numBlocks: %u\n",
    747 	       component_label.maxOutstanding, component_label.blockSize,
    748 	       component_label.numBlocks);
    749 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    750 	printf("   Autoconfig: %s\n",
    751 	       component_label.autoconfigure ? "Yes" : "No" );
    752 	printf("   Root partition: %s\n",
    753 	       component_label.root_partition ? "Yes" : "No" );
    754 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    755 }
    756 
    757 static void
    758 set_component_label(int fd, char *component)
    759 {
    760 	RF_ComponentLabel_t component_label;
    761 	int component_num;
    762 	int num_cols;
    763 
    764 	get_component_number(fd, component, &component_num, &num_cols);
    765 
    766 	/* XXX This is currently here for testing, and future expandability */
    767 
    768 	component_label.version = 1;
    769 	component_label.serial_number = 123456;
    770 	component_label.mod_counter = 0;
    771 	component_label.row = component_num / num_cols;
    772 	component_label.column = component_num % num_cols;
    773 	component_label.num_rows = 0;
    774 	component_label.num_columns = 5;
    775 	component_label.clean = 0;
    776 	component_label.status = 1;
    777 
    778 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    779 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    780 }
    781 
    782 
    783 static void
    784 init_component_labels(int fd, int serial_number)
    785 {
    786 	RF_ComponentLabel_t component_label;
    787 
    788 	component_label.version = 0;
    789 	component_label.serial_number = serial_number;
    790 	component_label.mod_counter = 0;
    791 	component_label.row = 0;
    792 	component_label.column = 0;
    793 	component_label.num_rows = 0;
    794 	component_label.num_columns = 0;
    795 	component_label.clean = 0;
    796 	component_label.status = 0;
    797 
    798 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    799 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    800 }
    801 
    802 static void
    803 set_autoconfig(int fd, int raidID, char *autoconf)
    804 {
    805 	int auto_config;
    806 	int root_config;
    807 
    808 	auto_config = 0;
    809 	root_config = 0;
    810 
    811 	if (strncasecmp(autoconf,"root", 4) == 0) {
    812 		root_config = 1;
    813 	}
    814 
    815 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    816 	    root_config == 1) {
    817 		auto_config = 1;
    818 	}
    819 
    820 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    821 		 "RAIDFRAME_SET_AUTOCONFIG");
    822 
    823 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    824 		 "RAIDFRAME_SET_ROOT");
    825 
    826 	printf("raid%d: Autoconfigure: %s\n", raidID,
    827 	       auto_config ? "Yes" : "No");
    828 
    829 	if (root_config == 1) {
    830 		printf("raid%d: Root: %s\n", raidID,
    831 		       auto_config ? "Yes" : "No");
    832 	}
    833 }
    834 
    835 static void
    836 add_hot_spare(int fd, char *component)
    837 {
    838 	RF_SingleComponent_t hot_spare;
    839 
    840 	hot_spare.row = 0;
    841 	hot_spare.column = 0;
    842 	strncpy(hot_spare.component_name, component,
    843 		sizeof(hot_spare.component_name));
    844 
    845 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    846 		  "RAIDFRAME_ADD_HOT_SPARE");
    847 }
    848 
    849 static void
    850 remove_hot_spare(int fd, char *component)
    851 {
    852 	RF_SingleComponent_t hot_spare;
    853 	int component_num;
    854 	int num_cols;
    855 
    856 	get_component_number(fd, component, &component_num, &num_cols);
    857 
    858 	hot_spare.row = component_num / num_cols;
    859 	hot_spare.column = component_num % num_cols;
    860 
    861 	strncpy(hot_spare.component_name, component,
    862 		sizeof(hot_spare.component_name));
    863 
    864 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    865 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    866 }
    867 
    868 static void
    869 rebuild_in_place(int fd, char *component)
    870 {
    871 	RF_SingleComponent_t comp;
    872 	int component_num;
    873 	int num_cols;
    874 
    875 	get_component_number(fd, component, &component_num, &num_cols);
    876 
    877 	comp.row = 0;
    878 	comp.column = component_num;
    879 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    880 
    881 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    882 		  "RAIDFRAME_REBUILD_IN_PLACE");
    883 
    884 	if (verbose) {
    885 		printf("Reconstruction status:\n");
    886 		sleep(3); /* XXX give reconstruction a chance to start */
    887 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    888 	}
    889 
    890 }
    891 
    892 static void
    893 check_parity(int fd, int do_rewrite, char *dev_name)
    894 {
    895 	int is_clean;
    896 	int percent_done;
    897 
    898 	is_clean = 0;
    899 	percent_done = 0;
    900 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    901 		 "RAIDFRAME_CHECK_PARITY");
    902 	if (is_clean) {
    903 		printf("%s: Parity status: clean\n",dev_name);
    904 	} else {
    905 		printf("%s: Parity status: DIRTY\n",dev_name);
    906 		if (do_rewrite) {
    907 			printf("%s: Initiating re-write of parity\n",
    908 			       dev_name);
    909 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    910 				 "RAIDFRAME_REWRITEPARITY");
    911 			sleep(3); /* XXX give it time to
    912 				     get started. */
    913 			if (verbose) {
    914 				printf("Parity Re-write status:\n");
    915 				do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    916 			} else {
    917 				do_ioctl(fd,
    918 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    919 					 &percent_done,
    920 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    921 					 );
    922 				while( percent_done < 100 ) {
    923 					sleep(3); /* wait a bit... */
    924 					do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    925 						 &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    926 				}
    927 
    928 			}
    929 			       printf("%s: Parity Re-write complete\n",
    930 				      dev_name);
    931 		} else {
    932 			/* parity is wrong, and is not being fixed.
    933 			   Exit w/ an error. */
    934 			exit(1);
    935 		}
    936 	}
    937 }
    938 
    939 
    940 static void
    941 check_status(int fd, int meter)
    942 {
    943 	int recon_percent_done = 0;
    944 	int parity_percent_done = 0;
    945 	int copyback_percent_done = 0;
    946 
    947 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
    948 		 "RAIDFRAME_CHECK_RECON_STATUS");
    949 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
    950 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    951 		 &parity_percent_done,
    952 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    953 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
    954 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
    955 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
    956 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
    957 
    958 	if (meter) {
    959 		/* These 3 should be mutually exclusive at this point */
    960 		if (recon_percent_done < 100) {
    961 			printf("Reconstruction status:\n");
    962 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    963 		} else if (parity_percent_done < 100) {
    964 			printf("Parity Re-write status:\n");
    965 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    966 		} else if (copyback_percent_done < 100) {
    967 			printf("Copyback status:\n");
    968 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    969 		}
    970 	}
    971 }
    972 
    973 const char *tbits = "|/-\\";
    974 
    975 static void
    976 do_meter(int fd, u_long option)
    977 {
    978 	int percent_done;
    979 	RF_uint64 start_value;
    980 	RF_ProgressInfo_t progressInfo;
    981 	void *pInfoPtr;
    982 	struct timeval start_time;
    983 	struct timeval current_time;
    984 	double elapsed;
    985 	int elapsed_sec;
    986 	int elapsed_usec;
    987 	int simple_eta,last_eta;
    988 	double rate;
    989 	RF_uint64 amount;
    990 	int tbit_value;
    991 	char buffer[1024];
    992 	char bar_buffer[1024];
    993 	char eta_buffer[1024];
    994 
    995 	if (gettimeofday(&start_time,NULL) == -1)
    996 		err(1, "gettimeofday failed!?!?");
    997 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
    998 	pInfoPtr=&progressInfo;
    999 
   1000 	percent_done = 0;
   1001 	do_ioctl(fd, option, &pInfoPtr, "");
   1002 	start_value = progressInfo.completed;
   1003 	current_time = start_time;
   1004 	simple_eta = 0;
   1005 	last_eta = 0;
   1006 
   1007 	tbit_value = 0;
   1008 	while(progressInfo.completed < progressInfo.total) {
   1009 
   1010 		percent_done = (progressInfo.completed * 100) /
   1011 			progressInfo.total;
   1012 
   1013 		get_bar(bar_buffer, percent_done, 40);
   1014 
   1015 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
   1016 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
   1017 		if (elapsed_usec < 0) {
   1018 			elapsed_usec-=1000000;
   1019 			elapsed_sec++;
   1020 		}
   1021 
   1022 		elapsed = (double) elapsed_sec +
   1023 			(double) elapsed_usec / 1000000.0;
   1024 
   1025 		amount = progressInfo.completed - start_value;
   1026 
   1027 		if (amount <= 0) { /* we don't do negatives (yet?) */
   1028 			amount = 0;
   1029 		}
   1030 
   1031 		if (elapsed == 0)
   1032 			rate = 0.0;
   1033 		else
   1034 			rate = amount / elapsed;
   1035 
   1036 		if (rate > 0.0) {
   1037 			simple_eta = (int) (((double)progressInfo.total -
   1038 					     (double) progressInfo.completed)
   1039 					    / rate);
   1040 		} else {
   1041 			simple_eta = -1;
   1042 		}
   1043 
   1044 		if (simple_eta <=0) {
   1045 			simple_eta = last_eta;
   1046 		} else {
   1047 			last_eta = simple_eta;
   1048 		}
   1049 
   1050 		get_time_string(eta_buffer, simple_eta);
   1051 
   1052 		snprintf(buffer,1024,"\r%3d%% |%s| ETA: %s %c",
   1053 			 percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
   1054 
   1055 		write(fileno(stdout),buffer,strlen(buffer));
   1056 		fflush(stdout);
   1057 
   1058 		if (++tbit_value>3)
   1059 			tbit_value = 0;
   1060 
   1061 		sleep(2);
   1062 
   1063 		if (gettimeofday(&current_time,NULL) == -1)
   1064 			err(1, "gettimeofday failed!?!?");
   1065 
   1066 		do_ioctl( fd, option, &pInfoPtr, "");
   1067 
   1068 
   1069 	}
   1070 	printf("\n");
   1071 }
   1072 /* 40 '*''s per line, then 40 ' ''s line. */
   1073 /* If you've got a screen wider than 160 characters, "tough" */
   1074 
   1075 #define STAR_MIDPOINT 4*40
   1076 const char stars[] = "****************************************"
   1077                      "****************************************"
   1078                      "****************************************"
   1079                      "****************************************"
   1080                      "                                        "
   1081                      "                                        "
   1082                      "                                        "
   1083                      "                                        "
   1084                      "                                        ";
   1085 
   1086 static void
   1087 get_bar(char *string, double percent, int max_strlen)
   1088 {
   1089 	int offset;
   1090 
   1091 	if (max_strlen > STAR_MIDPOINT) {
   1092 		max_strlen = STAR_MIDPOINT;
   1093 	}
   1094 	offset = STAR_MIDPOINT -
   1095 		(int)((percent * max_strlen)/ 100);
   1096 	if (offset < 0)
   1097 		offset = 0;
   1098 	snprintf(string,max_strlen,"%s",&stars[offset]);
   1099 }
   1100 
   1101 static void
   1102 get_time_string(char *string, int simple_time)
   1103 {
   1104 	int minutes, seconds, hours;
   1105 	char hours_buffer[5];
   1106 	char minutes_buffer[5];
   1107 	char seconds_buffer[5];
   1108 
   1109 	if (simple_time >= 0) {
   1110 
   1111 		minutes = (int) simple_time / 60;
   1112 		seconds = ((int)simple_time - 60*minutes);
   1113 		hours = minutes / 60;
   1114 		minutes = minutes - 60*hours;
   1115 
   1116 		if (hours > 0) {
   1117 			snprintf(hours_buffer,5,"%02d:",hours);
   1118 		} else {
   1119 			snprintf(hours_buffer,5,"   ");
   1120 		}
   1121 
   1122 		snprintf(minutes_buffer,5,"%02d:",minutes);
   1123 		snprintf(seconds_buffer,5,"%02d",seconds);
   1124 		snprintf(string,1024,"%s%s%s",
   1125 			 hours_buffer, minutes_buffer, seconds_buffer);
   1126 	} else {
   1127 		snprintf(string,1024,"   --:--");
   1128 	}
   1129 
   1130 }
   1131 
   1132 static void
   1133 usage(void)
   1134 {
   1135 	const char *progname = getprogname();
   1136 
   1137 	fprintf(stderr, "usage: %s [-v] -a component dev\n", progname);
   1138 	fprintf(stderr, "       %s [-v] -A [yes | no | root] dev\n", progname);
   1139 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1140 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1141 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1142 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1143 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1144 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1145 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1146 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1147 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1148 	fprintf(stderr, "       %s [-v] -m dev\n", progname);
   1149 	fprintf(stderr, "       %s [-v] -M [yes | no | set params] dev\n",
   1150 	    progname);
   1151 	fprintf(stderr, "       %s [-v] -p dev\n", progname);
   1152 	fprintf(stderr, "       %s [-v] -P dev\n", progname);
   1153 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1154 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1155 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1156 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1157 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1158 	exit(1);
   1159 	/* NOTREACHED */
   1160 }
   1161