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raidctl.c revision 1.65
      1 /*      $NetBSD: raidctl.c,v 1.65 2016/01/06 22:57:44 wiz 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 1.65 2016/01/06 22:57:44 wiz 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 <inttypes.h>
     59 #include <unistd.h>
     60 #include <util.h>
     61 
     62 #include <dev/raidframe/raidframevar.h>
     63 #include <dev/raidframe/raidframeio.h>
     64 #include "rf_configure.h"
     65 #include "prog_ops.h"
     66 
     67 void	do_ioctl(int, u_long, void *, const char *);
     68 static  void rf_configure(int, char*, int);
     69 static  const char *device_status(RF_DiskStatus_t);
     70 static  void rf_get_device_status(int);
     71 static	void rf_output_configuration(int, const char *);
     72 static  void get_component_number(int, char *, int *, int *);
     73 static  void rf_fail_disk(int, char *, int);
     74 __dead static  void usage(void);
     75 static  void get_component_label(int, char *);
     76 static  void set_component_label(int, char *);
     77 static  void init_component_labels(int, int);
     78 static  void set_autoconfig(int, int, char *);
     79 static  void add_hot_spare(int, char *);
     80 static  void remove_hot_spare(int, char *);
     81 static  void rebuild_in_place(int, char *);
     82 static  void check_status(int,int);
     83 static  void check_parity(int,int, char *);
     84 static  void do_meter(int, u_long);
     85 static  void get_bar(char *, double, int);
     86 static  void get_time_string(char *, int);
     87 static  void rf_output_pmstat(int, int);
     88 static  void rf_pm_configure(int, int, char *, int[]);
     89 static  unsigned int xstrtouint(const char *);
     90 
     91 int verbose;
     92 
     93 static const char *rootpart[] = { "No", "Force", "Soft", "*invalid*" };
     94 
     95 int
     96 main(int argc,char *argv[])
     97 {
     98 	int ch, i;
     99 	int num_options;
    100 	unsigned long action;
    101 	char config_filename[PATH_MAX];
    102 	char dev_name[PATH_MAX];
    103 	char name[PATH_MAX];
    104 	char component[PATH_MAX];
    105 	char autoconf[10];
    106 	char *parityconf = NULL;
    107 	int parityparams[3];
    108 	int do_output;
    109 	int do_recon;
    110 	int do_rewrite;
    111 	int raidID;
    112 	int serial_number;
    113 	struct stat st;
    114 	int fd;
    115 	int force;
    116 	int openmode;
    117 	int last_unit;
    118 
    119 	num_options = 0;
    120 	action = 0;
    121 	do_output = 0;
    122 	do_recon = 0;
    123 	do_rewrite = 0;
    124 	serial_number = 0;
    125 	force = 0;
    126 	last_unit = 0;
    127 	openmode = O_RDWR;	/* default to read/write */
    128 
    129 	while ((ch = getopt(argc, argv, "a:A:Bc:C:f:F:g:GiI:l:mM:r:R:sSpPuU:v"))
    130 	       != -1)
    131 		switch(ch) {
    132 		case 'a':
    133 			action = RAIDFRAME_ADD_HOT_SPARE;
    134 			strlcpy(component, optarg, sizeof(component));
    135 			num_options++;
    136 			break;
    137 		case 'A':
    138 			action = RAIDFRAME_SET_AUTOCONFIG;
    139 			strlcpy(autoconf, optarg, sizeof(autoconf));
    140 			num_options++;
    141 			break;
    142 		case 'B':
    143 			action = RAIDFRAME_COPYBACK;
    144 			num_options++;
    145 			break;
    146 		case 'c':
    147 			action = RAIDFRAME_CONFIGURE;
    148 			strlcpy(config_filename, optarg,
    149 			    sizeof(config_filename));
    150 			force = 0;
    151 			num_options++;
    152 			break;
    153 		case 'C':
    154 			strlcpy(config_filename, optarg,
    155 			    sizeof(config_filename));
    156 			action = RAIDFRAME_CONFIGURE;
    157 			force = 1;
    158 			num_options++;
    159 			break;
    160 		case 'f':
    161 			action = RAIDFRAME_FAIL_DISK;
    162 			strlcpy(component, optarg, sizeof(component));
    163 			do_recon = 0;
    164 			num_options++;
    165 			break;
    166 		case 'F':
    167 			action = RAIDFRAME_FAIL_DISK;
    168 			strlcpy(component, optarg, sizeof(component));
    169 			do_recon = 1;
    170 			num_options++;
    171 			break;
    172 		case 'g':
    173 			action = RAIDFRAME_GET_COMPONENT_LABEL;
    174 			strlcpy(component, optarg, sizeof(component));
    175 			openmode = O_RDONLY;
    176 			num_options++;
    177 			break;
    178 		case 'G':
    179 			action = RAIDFRAME_GET_INFO;
    180 			openmode = O_RDONLY;
    181 			do_output = 1;
    182 			num_options++;
    183 			break;
    184 		case 'i':
    185 			action = RAIDFRAME_REWRITEPARITY;
    186 			num_options++;
    187 			break;
    188 		case 'I':
    189 			action = RAIDFRAME_INIT_LABELS;
    190 			serial_number = xstrtouint(optarg);
    191 			num_options++;
    192 			break;
    193 		case 'm':
    194 			action = RAIDFRAME_PARITYMAP_STATUS;
    195 			openmode = O_RDONLY;
    196 			num_options++;
    197 			break;
    198 		case 'M':
    199 			action = RAIDFRAME_PARITYMAP_SET_DISABLE;
    200 			parityconf = strdup(optarg);
    201 			num_options++;
    202 			/* XXXjld: should rf_pm_configure do the strtol()s? */
    203 			i = 0;
    204 			while (i < 3 && optind < argc &&
    205 			    isdigit((int)argv[optind][0]))
    206 				parityparams[i++] = xstrtouint(argv[optind++]);
    207 			while (i < 3)
    208 				parityparams[i++] = 0;
    209 			break;
    210 		case 'l':
    211 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    212 			strlcpy(component, optarg, sizeof(component));
    213 			num_options++;
    214 			break;
    215 		case 'r':
    216 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    217 			strlcpy(component, optarg, sizeof(component));
    218 			num_options++;
    219 			break;
    220 		case 'R':
    221 			strlcpy(component, optarg, sizeof(component));
    222 			action = RAIDFRAME_REBUILD_IN_PLACE;
    223 			num_options++;
    224 			break;
    225 		case 's':
    226 			action = RAIDFRAME_GET_INFO;
    227 			openmode = O_RDONLY;
    228 			num_options++;
    229 			break;
    230 		case 'S':
    231 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    232 			openmode = O_RDONLY;
    233 			num_options++;
    234 			break;
    235 		case 'p':
    236 			action = RAIDFRAME_CHECK_PARITY;
    237 			openmode = O_RDONLY;
    238 			num_options++;
    239 			break;
    240 		case 'P':
    241 			action = RAIDFRAME_CHECK_PARITY;
    242 			do_rewrite = 1;
    243 			num_options++;
    244 			break;
    245 		case 'u':
    246 			action = RAIDFRAME_SHUTDOWN;
    247 			num_options++;
    248 			break;
    249 		case 'U':
    250 			action = RAIDFRAME_SET_LAST_UNIT;
    251 			num_options++;
    252 			last_unit = atoi(optarg);
    253 			if (last_unit < 0)
    254 				errx(1, "Bad last unit %s", optarg);
    255 			break;
    256 		case 'v':
    257 			verbose = 1;
    258 			/* Don't bump num_options, as '-v' is not
    259 			   an option like the others */
    260 			/* num_options++; */
    261 			break;
    262 		default:
    263 			usage();
    264 		}
    265 	argc -= optind;
    266 	argv += optind;
    267 
    268 	if ((num_options > 1) || (argc == 0))
    269 		usage();
    270 
    271 	if (prog_init && prog_init() == -1)
    272 		err(1, "init failed");
    273 
    274 	strlcpy(name, argv[0], sizeof(name));
    275 	fd = opendisk1(name, openmode, dev_name, sizeof(dev_name), 0,
    276 	    prog_open);
    277 	if (fd == -1)
    278 		err(1, "Unable to open device file: %s", name);
    279 	if (prog_fstat(fd, &st) == -1)
    280 		err(1, "stat failure on: %s", dev_name);
    281 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode))
    282 		err(1, "invalid device: %s", dev_name);
    283 
    284 	raidID = DISKUNIT(st.st_rdev);
    285 
    286 	switch(action) {
    287 	case RAIDFRAME_ADD_HOT_SPARE:
    288 		add_hot_spare(fd, component);
    289 		break;
    290 	case RAIDFRAME_REMOVE_HOT_SPARE:
    291 		remove_hot_spare(fd, component);
    292 		break;
    293 	case RAIDFRAME_CONFIGURE:
    294 		rf_configure(fd, config_filename, force);
    295 		break;
    296 	case RAIDFRAME_SET_AUTOCONFIG:
    297 		set_autoconfig(fd, raidID, autoconf);
    298 		break;
    299 	case RAIDFRAME_COPYBACK:
    300 		printf("Copyback.\n");
    301 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    302 		if (verbose) {
    303 			sleep(3); /* XXX give the copyback a chance to start */
    304 			printf("Copyback status:\n");
    305 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    306 		}
    307 		break;
    308 	case RAIDFRAME_FAIL_DISK:
    309 		rf_fail_disk(fd, component, do_recon);
    310 		break;
    311 	case RAIDFRAME_SET_COMPONENT_LABEL:
    312 		set_component_label(fd, component);
    313 		break;
    314 	case RAIDFRAME_GET_COMPONENT_LABEL:
    315 		get_component_label(fd, component);
    316 		break;
    317 	case RAIDFRAME_INIT_LABELS:
    318 		init_component_labels(fd, serial_number);
    319 		break;
    320 	case RAIDFRAME_REWRITEPARITY:
    321 		printf("Initiating re-write of parity\n");
    322 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    323 			 "RAIDFRAME_REWRITEPARITY");
    324 		if (verbose) {
    325 			sleep(3); /* XXX give it time to get started */
    326 			printf("Parity Re-write status:\n");
    327 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    328 		}
    329 		break;
    330 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    331 		check_status(fd,1);
    332 		break;
    333 	case RAIDFRAME_GET_INFO:
    334 		if (do_output)
    335 			rf_output_configuration(fd, dev_name);
    336 		else
    337 			rf_get_device_status(fd);
    338 		break;
    339 	case RAIDFRAME_PARITYMAP_STATUS:
    340 		rf_output_pmstat(fd, raidID);
    341 		break;
    342 	case RAIDFRAME_PARITYMAP_SET_DISABLE:
    343 		rf_pm_configure(fd, raidID, parityconf, parityparams);
    344 		break;
    345 	case RAIDFRAME_REBUILD_IN_PLACE:
    346 		rebuild_in_place(fd, component);
    347 		break;
    348 	case RAIDFRAME_CHECK_PARITY:
    349 		check_parity(fd, do_rewrite, dev_name);
    350 		break;
    351 	case RAIDFRAME_SHUTDOWN:
    352 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    353 		break;
    354 	case RAIDFRAME_SET_LAST_UNIT:
    355 		do_ioctl(fd, RAIDFRAME_SET_LAST_UNIT, &last_unit,
    356 		    "RAIDFRAME_SET_LAST_UNIT");
    357 		break;
    358 	default:
    359 		break;
    360 	}
    361 
    362 	prog_close(fd);
    363 	exit(0);
    364 }
    365 
    366 void
    367 do_ioctl(int fd, unsigned long command, void *arg, const char *ioctl_name)
    368 {
    369 	if (prog_ioctl(fd, command, arg) == -1)
    370 		err(1, "ioctl (%s) failed", ioctl_name);
    371 }
    372 
    373 
    374 static void
    375 rf_configure(int fd, char *config_file, int force)
    376 {
    377 	void *generic;
    378 	RF_Config_t cfg;
    379 
    380 	if (rf_MakeConfig( config_file, &cfg ) != 0)
    381 		err(1, "Unable to create RAIDframe configuration structure");
    382 
    383 	cfg.force = force;
    384 
    385 	/*
    386 	 * Note the extra level of redirection needed here, since
    387 	 * what we really want to pass in is a pointer to the pointer to
    388 	 * the configuration structure.
    389 	 */
    390 
    391 	generic = &cfg;
    392 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    393 }
    394 
    395 static const char *
    396 device_status(RF_DiskStatus_t status)
    397 {
    398 
    399 	switch (status) {
    400 	case rf_ds_optimal:
    401 		return ("optimal");
    402 		break;
    403 	case rf_ds_failed:
    404 		return ("failed");
    405 		break;
    406 	case rf_ds_reconstructing:
    407 		return ("reconstructing");
    408 		break;
    409 	case rf_ds_dist_spared:
    410 		return ("dist_spared");
    411 		break;
    412 	case rf_ds_spared:
    413 		return ("spared");
    414 		break;
    415 	case rf_ds_spare:
    416 		return ("spare");
    417 		break;
    418 	case rf_ds_used_spare:
    419 		return ("used_spare");
    420 		break;
    421 	default:
    422 		return ("UNKNOWN");
    423 	}
    424 	/* NOTREACHED */
    425 }
    426 
    427 static void
    428 rf_get_device_status(int fd)
    429 {
    430 	RF_DeviceConfig_t device_config;
    431 	void *cfg_ptr;
    432 	int is_clean;
    433 	int i;
    434 
    435 	cfg_ptr = &device_config;
    436 
    437 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    438 
    439 	printf("Components:\n");
    440 	for(i=0; i < device_config.ndevs; i++) {
    441 		printf("%20s: %s\n", device_config.devs[i].devname,
    442 		       device_status(device_config.devs[i].status));
    443 	}
    444 	if (device_config.nspares > 0) {
    445 		printf("Spares:\n");
    446 		for(i=0; i < device_config.nspares; i++) {
    447 			printf("%20s: %s\n",
    448 			       device_config.spares[i].devname,
    449 			       device_status(device_config.spares[i].status));
    450 		}
    451 	} else {
    452 		printf("No spares.\n");
    453 	}
    454 	for(i=0; i < device_config.ndevs; i++) {
    455 		if (device_config.devs[i].status == rf_ds_optimal) {
    456 			get_component_label(fd, device_config.devs[i].devname);
    457 		} else {
    458 			printf("%s status is: %s.  Skipping label.\n",
    459 			       device_config.devs[i].devname,
    460 			       device_status(device_config.devs[i].status));
    461 		}
    462 	}
    463 
    464 	if (device_config.nspares > 0) {
    465 		for(i=0; i < device_config.nspares; i++) {
    466 			if ((device_config.spares[i].status ==
    467 			     rf_ds_optimal) ||
    468 			    (device_config.spares[i].status ==
    469 			     rf_ds_used_spare)) {
    470 				get_component_label(fd,
    471 					    device_config.spares[i].devname);
    472 			} else {
    473 				printf("%s status is: %s.  Skipping label.\n",
    474 				       device_config.spares[i].devname,
    475 				       device_status(device_config.spares[i].status));
    476 			}
    477 		}
    478 	}
    479 
    480 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    481 		 "RAIDFRAME_CHECK_PARITY");
    482 	if (is_clean) {
    483 		printf("Parity status: clean\n");
    484 	} else {
    485 		printf("Parity status: DIRTY\n");
    486 	}
    487 	check_status(fd,0);
    488 }
    489 
    490 static void
    491 rf_output_pmstat(int fd, int raidID)
    492 {
    493 	char srs[7];
    494 	unsigned int i, j;
    495 	int dis, dr;
    496 	struct rf_pmstat st;
    497 
    498 	if (prog_ioctl(fd, RAIDFRAME_PARITYMAP_STATUS, &st) == -1) {
    499 		if (errno == EINVAL) {
    500 			printf("raid%d: has no parity; parity map disabled\n",
    501 				raidID);
    502 			return;
    503 		}
    504 		err(1, "ioctl (%s) failed", "RAIDFRAME_PARITYMAP_STATUS");
    505 	}
    506 
    507 	if (st.enabled) {
    508 		if (0 > humanize_number(srs, 7, st.region_size * DEV_BSIZE,
    509 			"B", HN_AUTOSCALE, HN_NOSPACE))
    510 			strlcpy(srs, "???", 7);
    511 
    512 		printf("raid%d: parity map enabled with %u regions of %s\n",
    513 		    raidID, st.params.regions, srs);
    514 		printf("raid%d: regions marked clean after %d intervals of"
    515 		    " %d.%03ds\n", raidID, st.params.cooldown,
    516 		    st.params.tickms / 1000, st.params.tickms % 1000);
    517 		printf("raid%d: write/sync/clean counters "
    518 		    "%"PRIu64"/%"PRIu64"/%"PRIu64"\n", raidID,
    519 		    st.ctrs.nwrite, st.ctrs.ncachesync, st.ctrs.nclearing);
    520 
    521 		dr = 0;
    522 		for (i = 0; i < st.params.regions; i++)
    523 			if (isset(st.dirty, i))
    524 				dr++;
    525 		printf("raid%d: %d dirty region%s\n", raidID, dr,
    526 		    dr == 1 ? "" : "s");
    527 
    528 		if (verbose > 0) {
    529 			for (i = 0; i < RF_PARITYMAP_NBYTE; i += 32) {
    530 				printf("    ");
    531 				for (j = i; j < RF_PARITYMAP_NBYTE
    532 					 && j < i + 32; j++)
    533 					printf("%x%x", st.dirty[j] & 15,
    534 					    (st.dirty[j] >> 4) & 15);
    535 				printf("\n");
    536 			}
    537 		}
    538 	} else {
    539 		printf("raid%d: parity map disabled\n", raidID);
    540 	}
    541 
    542 	do_ioctl(fd, RAIDFRAME_PARITYMAP_GET_DISABLE, &dis,
    543 	    "RAIDFRAME_PARITYMAP_GET_DISABLE");
    544 	printf("raid%d: parity map will %s %sabled on next configure\n",
    545 	    raidID, dis == st.enabled ? "be" : "remain", dis ? "dis" : "en");
    546 }
    547 
    548 static void
    549 rf_pm_configure(int fd, int raidID, char *parityconf, int parityparams[])
    550 {
    551 	int dis;
    552 	struct rf_pmparams params;
    553 
    554 	if (strcasecmp(parityconf, "yes") == 0)
    555 		dis = 0;
    556 	else if (strcasecmp(parityconf, "no") == 0)
    557 		dis = 1;
    558 	else if (strcasecmp(parityconf, "set") == 0) {
    559 		params.cooldown = parityparams[0];
    560 		params.tickms = parityparams[1];
    561 		params.regions = parityparams[2];
    562 
    563 		do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_PARAMS, &params,
    564 		    "RAIDFRAME_PARITYMAP_SET_PARAMS");
    565 
    566 		if (params.cooldown != 0 || params.tickms != 0) {
    567 			printf("raid%d: parity cleaned after", raidID);
    568 			if (params.cooldown != 0)
    569 				printf(" %d", params.cooldown);
    570 			printf(" intervals");
    571 			if (params.tickms != 0) {
    572 				printf(" of %d.%03ds", params.tickms / 1000,
    573 				    params.tickms % 1000);
    574 			}
    575 			printf("\n");
    576 		}
    577 		if (params.regions != 0)
    578 			printf("raid%d: will use %d regions on next"
    579 			    " configuration\n", raidID, params.regions);
    580 
    581 		return;
    582 		/* XXX the control flow here could be prettier. */
    583 	} else
    584 		err(1, "`%s' is not a valid parity map command", parityconf);
    585 
    586 	do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_DISABLE, &dis,
    587 	    "RAIDFRAME_PARITYMAP_SET_DISABLE");
    588 	printf("raid%d: parity map will be %sabled on next configure\n",
    589 	    raidID, dis ? "dis" : "en");
    590 }
    591 
    592 /* convert "component0" into "absent" */
    593 static const char *rf_output_devname(const char *name)
    594 {
    595 
    596 	if (strncmp(name, "component", 9) == 0)
    597 		return "absent";
    598 	return name;
    599 }
    600 
    601 static void
    602 rf_output_configuration(int fd, const char *name)
    603 {
    604 	RF_DeviceConfig_t device_config;
    605 	void *cfg_ptr;
    606 	int i;
    607 	RF_ComponentLabel_t component_label;
    608 	void *label_ptr;
    609 	int component_num;
    610 	int num_cols;
    611 
    612 	cfg_ptr = &device_config;
    613 
    614 	printf("# raidctl config file for %s\n", name);
    615 	printf("\n");
    616 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    617 
    618 	printf("START array\n");
    619 	printf("# numRow numCol numSpare\n");
    620 	printf("%d %d %d\n", device_config.rows, device_config.cols,
    621 	    device_config.nspares);
    622 	printf("\n");
    623 
    624 	printf("START disks\n");
    625 	for(i=0; i < device_config.ndevs; i++)
    626 		printf("%s\n",
    627 		    rf_output_devname(device_config.devs[i].devname));
    628 	printf("\n");
    629 
    630 	if (device_config.nspares > 0) {
    631 		printf("START spare\n");
    632 		for(i=0; i < device_config.nspares; i++)
    633 			printf("%s\n", device_config.spares[i].devname);
    634 		printf("\n");
    635 	}
    636 
    637 	for(i=0; i < device_config.ndevs; i++) {
    638 		if (device_config.devs[i].status == rf_ds_optimal)
    639 			break;
    640 	}
    641 	if (i == device_config.ndevs) {
    642 		printf("# WARNING: no optimal components; using %s\n",
    643 		    device_config.devs[0].devname);
    644 		i = 0;
    645 	}
    646 	get_component_number(fd, device_config.devs[i].devname,
    647 	    &component_num, &num_cols);
    648 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    649 	component_label.row = component_num / num_cols;
    650 	component_label.column = component_num % num_cols;
    651 	label_ptr = &component_label;
    652 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    653 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    654 
    655 	printf("START layout\n");
    656 	printf(
    657 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    658 	    (char) component_label.parityConfig);
    659 	printf("%d %d %d %c\n",
    660 	    component_label.sectPerSU, component_label.SUsPerPU,
    661 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    662 	printf("\n");
    663 
    664 	printf("START queue\n");
    665 	printf("fifo %d\n", device_config.maxqdepth);
    666 }
    667 
    668 static void
    669 get_component_number(int fd, char *component_name, int *component_number,
    670 		     int *num_columns)
    671 {
    672 	RF_DeviceConfig_t device_config;
    673 	void *cfg_ptr;
    674 	int i;
    675 	int found;
    676 
    677 	*component_number = -1;
    678 
    679 	/* Assuming a full path spec... */
    680 	cfg_ptr = &device_config;
    681 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    682 		 "RAIDFRAME_GET_INFO");
    683 
    684 	*num_columns = device_config.cols;
    685 
    686 	found = 0;
    687 	for(i=0; i < device_config.ndevs; i++) {
    688 		if (strncmp(component_name, device_config.devs[i].devname,
    689 			    PATH_MAX)==0) {
    690 			found = 1;
    691 			*component_number = i;
    692 		}
    693 	}
    694 	if (!found) { /* maybe it's a spare? */
    695 		for(i=0; i < device_config.nspares; i++) {
    696 			if (strncmp(component_name,
    697 				    device_config.spares[i].devname,
    698 				    PATH_MAX)==0) {
    699 				found = 1;
    700 				*component_number = i + device_config.ndevs;
    701 				/* the way spares are done should
    702 				   really change... */
    703 				*num_columns = device_config.cols +
    704 					device_config.nspares;
    705 			}
    706 		}
    707 	}
    708 
    709 	if (!found)
    710 		err(1,"%s is not a component of this device", component_name);
    711 }
    712 
    713 static void
    714 rf_fail_disk(int fd, char *component_to_fail, int do_recon)
    715 {
    716 	struct rf_recon_req recon_request;
    717 	int component_num;
    718 	int num_cols;
    719 
    720 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    721 
    722 	recon_request.row = component_num / num_cols;
    723 	recon_request.col = component_num % num_cols;
    724 	if (do_recon) {
    725 		recon_request.flags = RF_FDFLAGS_RECON;
    726 	} else {
    727 		recon_request.flags = RF_FDFLAGS_NONE;
    728 	}
    729 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    730 		 "RAIDFRAME_FAIL_DISK");
    731 	if (do_recon && verbose) {
    732 		printf("Reconstruction status:\n");
    733 		sleep(3); /* XXX give reconstruction a chance to start */
    734 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    735 	}
    736 }
    737 
    738 static void
    739 get_component_label(int fd, char *component)
    740 {
    741 	RF_ComponentLabel_t component_label;
    742 	void *label_ptr;
    743 	int component_num;
    744 	int num_cols;
    745 
    746 	get_component_number(fd, component, &component_num, &num_cols);
    747 
    748 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    749 	component_label.row = component_num / num_cols;
    750 	component_label.column = component_num % num_cols;
    751 
    752 	label_ptr = &component_label;
    753 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    754 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    755 
    756 	printf("Component label for %s:\n",component);
    757 
    758 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    759 	       component_label.row, component_label.column,
    760 	       component_label.num_rows, component_label.num_columns);
    761 	printf("   Version: %d, Serial Number: %u, Mod Counter: %d\n",
    762 	       component_label.version, component_label.serial_number,
    763 	       component_label.mod_counter);
    764 	printf("   Clean: %s, Status: %d\n",
    765 	       component_label.clean ? "Yes" : "No",
    766 	       component_label.status );
    767 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    768 	       component_label.sectPerSU, component_label.SUsPerPU,
    769 	       component_label.SUsPerRU);
    770 	printf("   Queue size: %d, blocksize: %d, numBlocks: %"PRIu64"\n",
    771 	       component_label.maxOutstanding, component_label.blockSize,
    772 	       rf_component_label_numblocks(&component_label));
    773 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    774 	printf("   Autoconfig: %s\n",
    775 	       component_label.autoconfigure ? "Yes" : "No" );
    776 	printf("   Root partition: %s\n",
    777 	       rootpart[component_label.root_partition & 3]);
    778 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    779 }
    780 
    781 static void
    782 set_component_label(int fd, char *component)
    783 {
    784 	RF_ComponentLabel_t component_label;
    785 	int component_num;
    786 	int num_cols;
    787 
    788 	get_component_number(fd, component, &component_num, &num_cols);
    789 
    790 	/* XXX This is currently here for testing, and future expandability */
    791 
    792 	component_label.version = 1;
    793 	component_label.serial_number = 123456;
    794 	component_label.mod_counter = 0;
    795 	component_label.row = component_num / num_cols;
    796 	component_label.column = component_num % num_cols;
    797 	component_label.num_rows = 0;
    798 	component_label.num_columns = 5;
    799 	component_label.clean = 0;
    800 	component_label.status = 1;
    801 
    802 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    803 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    804 }
    805 
    806 
    807 static void
    808 init_component_labels(int fd, int serial_number)
    809 {
    810 	RF_ComponentLabel_t component_label;
    811 
    812 	component_label.version = 0;
    813 	component_label.serial_number = serial_number;
    814 	component_label.mod_counter = 0;
    815 	component_label.row = 0;
    816 	component_label.column = 0;
    817 	component_label.num_rows = 0;
    818 	component_label.num_columns = 0;
    819 	component_label.clean = 0;
    820 	component_label.status = 0;
    821 
    822 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    823 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    824 }
    825 
    826 static void
    827 set_autoconfig(int fd, int raidID, char *autoconf)
    828 {
    829 	int auto_config;
    830 	int root_config;
    831 
    832 	auto_config = 0;
    833 	root_config = 0;
    834 
    835 	if (strncasecmp(autoconf, "root", 4) == 0 ||
    836 	    strncasecmp(autoconf, "hard", 4) == 0 ||
    837 	    strncasecmp(autoconf, "force", 5) == 0) {
    838 		root_config = 1;
    839 	} else if (strncasecmp(autoconf, "soft", 4) == 0) {
    840 		root_config = 2;
    841 	}
    842 
    843 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    844 	    root_config > 0) {
    845 		auto_config = 1;
    846 	}
    847 
    848 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    849 		 "RAIDFRAME_SET_AUTOCONFIG");
    850 
    851 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    852 		 "RAIDFRAME_SET_ROOT");
    853 
    854 	printf("raid%d: Autoconfigure: %s\n", raidID,
    855 	       auto_config ? "Yes" : "No");
    856 
    857 	if (auto_config == 1) {
    858 		printf("raid%d: Root: %s\n", raidID, rootpart[root_config]);
    859 	}
    860 }
    861 
    862 static void
    863 add_hot_spare(int fd, char *component)
    864 {
    865 	RF_SingleComponent_t hot_spare;
    866 
    867 	hot_spare.row = 0;
    868 	hot_spare.column = 0;
    869 	strncpy(hot_spare.component_name, component,
    870 		sizeof(hot_spare.component_name));
    871 
    872 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    873 		  "RAIDFRAME_ADD_HOT_SPARE");
    874 }
    875 
    876 static void
    877 remove_hot_spare(int fd, char *component)
    878 {
    879 	RF_SingleComponent_t hot_spare;
    880 	int component_num;
    881 	int num_cols;
    882 
    883 	get_component_number(fd, component, &component_num, &num_cols);
    884 
    885 	hot_spare.row = component_num / num_cols;
    886 	hot_spare.column = component_num % num_cols;
    887 
    888 	strncpy(hot_spare.component_name, component,
    889 		sizeof(hot_spare.component_name));
    890 
    891 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    892 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    893 }
    894 
    895 static void
    896 rebuild_in_place(int fd, char *component)
    897 {
    898 	RF_SingleComponent_t comp;
    899 	int component_num;
    900 	int num_cols;
    901 
    902 	get_component_number(fd, component, &component_num, &num_cols);
    903 
    904 	comp.row = 0;
    905 	comp.column = component_num;
    906 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    907 
    908 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    909 		  "RAIDFRAME_REBUILD_IN_PLACE");
    910 
    911 	if (verbose) {
    912 		printf("Reconstruction status:\n");
    913 		sleep(3); /* XXX give reconstruction a chance to start */
    914 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    915 	}
    916 
    917 }
    918 
    919 static void
    920 check_parity(int fd, int do_rewrite, char *dev_name)
    921 {
    922 	int is_clean;
    923 	int percent_done;
    924 
    925 	is_clean = 0;
    926 	percent_done = 0;
    927 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    928 		 "RAIDFRAME_CHECK_PARITY");
    929 	if (is_clean) {
    930 		printf("%s: Parity status: clean\n",dev_name);
    931 	} else {
    932 		printf("%s: Parity status: DIRTY\n",dev_name);
    933 		if (do_rewrite) {
    934 			printf("%s: Initiating re-write of parity\n",
    935 			       dev_name);
    936 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    937 				 "RAIDFRAME_REWRITEPARITY");
    938 			sleep(3); /* XXX give it time to
    939 				     get started. */
    940 			if (verbose) {
    941 				printf("Parity Re-write status:\n");
    942 				do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    943 			} else {
    944 				do_ioctl(fd,
    945 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    946 					 &percent_done,
    947 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    948 					 );
    949 				while( percent_done < 100 ) {
    950 					sleep(3); /* wait a bit... */
    951 					do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    952 						 &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    953 				}
    954 
    955 			}
    956 			       printf("%s: Parity Re-write complete\n",
    957 				      dev_name);
    958 		} else {
    959 			/* parity is wrong, and is not being fixed.
    960 			   Exit w/ an error. */
    961 			exit(1);
    962 		}
    963 	}
    964 }
    965 
    966 
    967 static void
    968 check_status(int fd, int meter)
    969 {
    970 	int recon_percent_done = 0;
    971 	int parity_percent_done = 0;
    972 	int copyback_percent_done = 0;
    973 
    974 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
    975 		 "RAIDFRAME_CHECK_RECON_STATUS");
    976 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
    977 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    978 		 &parity_percent_done,
    979 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    980 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
    981 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
    982 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
    983 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
    984 
    985 	if (meter) {
    986 		/* These 3 should be mutually exclusive at this point */
    987 		if (recon_percent_done < 100) {
    988 			printf("Reconstruction status:\n");
    989 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    990 		} else if (parity_percent_done < 100) {
    991 			printf("Parity Re-write status:\n");
    992 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    993 		} else if (copyback_percent_done < 100) {
    994 			printf("Copyback status:\n");
    995 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    996 		}
    997 	}
    998 }
    999 
   1000 const char *tbits = "|/-\\";
   1001 
   1002 static void
   1003 do_meter(int fd, u_long option)
   1004 {
   1005 	int percent_done;
   1006 	RF_uint64 start_value;
   1007 	RF_ProgressInfo_t progressInfo;
   1008 	void *pInfoPtr;
   1009 	struct timeval start_time;
   1010 	struct timeval current_time;
   1011 	double elapsed;
   1012 	int elapsed_sec;
   1013 	int elapsed_usec;
   1014 	int simple_eta,last_eta;
   1015 	double rate;
   1016 	RF_uint64 amount;
   1017 	int tbit_value;
   1018 	char bar_buffer[1024];
   1019 	char eta_buffer[1024];
   1020 
   1021 	if (gettimeofday(&start_time,NULL) == -1)
   1022 		err(1, "gettimeofday failed!?!?");
   1023 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
   1024 	pInfoPtr=&progressInfo;
   1025 
   1026 	percent_done = 0;
   1027 	do_ioctl(fd, option, &pInfoPtr, "");
   1028 	start_value = progressInfo.completed;
   1029 	current_time = start_time;
   1030 	simple_eta = 0;
   1031 	last_eta = 0;
   1032 
   1033 	tbit_value = 0;
   1034 	while(progressInfo.completed < progressInfo.total) {
   1035 
   1036 		percent_done = (progressInfo.completed * 100) /
   1037 			progressInfo.total;
   1038 
   1039 		get_bar(bar_buffer, percent_done, 40);
   1040 
   1041 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
   1042 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
   1043 		if (elapsed_usec < 0) {
   1044 			elapsed_usec-=1000000;
   1045 			elapsed_sec++;
   1046 		}
   1047 
   1048 		elapsed = (double) elapsed_sec +
   1049 			(double) elapsed_usec / 1000000.0;
   1050 
   1051 		amount = progressInfo.completed - start_value;
   1052 
   1053 		if (amount <= 0) { /* we don't do negatives (yet?) */
   1054 			amount = 0;
   1055 		}
   1056 
   1057 		if (elapsed == 0)
   1058 			rate = 0.0;
   1059 		else
   1060 			rate = amount / elapsed;
   1061 
   1062 		if (rate > 0.0) {
   1063 			simple_eta = (int) (((double)progressInfo.total -
   1064 					     (double) progressInfo.completed)
   1065 					    / rate);
   1066 		} else {
   1067 			simple_eta = -1;
   1068 		}
   1069 
   1070 		if (simple_eta <=0) {
   1071 			simple_eta = last_eta;
   1072 		} else {
   1073 			last_eta = simple_eta;
   1074 		}
   1075 
   1076 		get_time_string(eta_buffer, simple_eta);
   1077 
   1078 		fprintf(stdout,"\r%3d%% |%s| ETA: %s %c",
   1079 			percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
   1080 		fflush(stdout);
   1081 
   1082 		if (++tbit_value>3)
   1083 			tbit_value = 0;
   1084 
   1085 		sleep(2);
   1086 
   1087 		if (gettimeofday(&current_time,NULL) == -1)
   1088 			err(1, "gettimeofday failed!?!?");
   1089 
   1090 		do_ioctl( fd, option, &pInfoPtr, "");
   1091 
   1092 
   1093 	}
   1094 	printf("\n");
   1095 }
   1096 /* 40 '*''s per line, then 40 ' ''s line. */
   1097 /* If you've got a screen wider than 160 characters, "tough" */
   1098 
   1099 #define STAR_MIDPOINT 4*40
   1100 const char stars[] = "****************************************"
   1101                      "****************************************"
   1102                      "****************************************"
   1103                      "****************************************"
   1104                      "                                        "
   1105                      "                                        "
   1106                      "                                        "
   1107                      "                                        "
   1108                      "                                        ";
   1109 
   1110 static void
   1111 get_bar(char *string, double percent, int max_strlen)
   1112 {
   1113 	int offset;
   1114 
   1115 	if (max_strlen > STAR_MIDPOINT) {
   1116 		max_strlen = STAR_MIDPOINT;
   1117 	}
   1118 	offset = STAR_MIDPOINT -
   1119 		(int)((percent * max_strlen)/ 100);
   1120 	if (offset < 0)
   1121 		offset = 0;
   1122 	snprintf(string,max_strlen,"%s",stars+offset);
   1123 }
   1124 
   1125 static void
   1126 get_time_string(char *string, int simple_time)
   1127 {
   1128 	int minutes, seconds, hours;
   1129 	char hours_buffer[5];
   1130 	char minutes_buffer[5];
   1131 	char seconds_buffer[5];
   1132 
   1133 	if (simple_time >= 0) {
   1134 
   1135 		minutes = (int) simple_time / 60;
   1136 		seconds = ((int)simple_time - 60*minutes);
   1137 		hours = minutes / 60;
   1138 		minutes = minutes - 60*hours;
   1139 
   1140 		if (hours > 0) {
   1141 			snprintf(hours_buffer,5,"%02d:",hours);
   1142 		} else {
   1143 			snprintf(hours_buffer,5,"   ");
   1144 		}
   1145 
   1146 		snprintf(minutes_buffer,5,"%02d:",minutes);
   1147 		snprintf(seconds_buffer,5,"%02d",seconds);
   1148 		snprintf(string,1024,"%s%s%s",
   1149 			 hours_buffer, minutes_buffer, seconds_buffer);
   1150 	} else {
   1151 		snprintf(string,1024,"   --:--");
   1152 	}
   1153 
   1154 }
   1155 
   1156 static void
   1157 usage(void)
   1158 {
   1159 	const char *progname = getprogname();
   1160 
   1161 	fprintf(stderr, "usage: %s [-v] -A [yes | no | softroot | hardroot] dev\n", progname);
   1162 	fprintf(stderr, "       %s [-v] -a component dev\n", progname);
   1163 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1164 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1165 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1166 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1167 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1168 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1169 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1170 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1171 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1172 	fprintf(stderr, "       %s [-v] -M [yes | no | set params] dev\n",
   1173 	    progname);
   1174 	fprintf(stderr, "       %s [-v] -m dev\n", progname);
   1175 	fprintf(stderr, "       %s [-v] -P dev\n", progname);
   1176 	fprintf(stderr, "       %s [-v] -p dev\n", progname);
   1177 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1178 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1179 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1180 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1181 	fprintf(stderr, "       %s [-v] -U unit dev\n", progname);
   1182 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1183 	exit(1);
   1184 	/* NOTREACHED */
   1185 }
   1186 
   1187 static unsigned int
   1188 xstrtouint(const char *str)
   1189 {
   1190 	int e;
   1191 	unsigned int num = (unsigned int)strtou(str, NULL, 10, 0, INT_MAX, &e);
   1192 	if (e)
   1193 		errc(EXIT_FAILURE, e, "Bad number `%s'", str);
   1194 	return num;
   1195 }
   1196