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raidctl.c revision 1.30
      1 /*      $NetBSD: raidctl.c,v 1.30 2002/03/21 00:27:11 simonb 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * This program is a re-write of the original rf_ctrl program
     41  * distributed by CMU with RAIDframe 1.1.
     42  *
     43  * This program is the user-land interface to the RAIDframe kernel
     44  * driver in NetBSD.
     45  */
     46 
     47 #include <sys/param.h>
     48 #include <sys/ioctl.h>
     49 #include <sys/stat.h>
     50 #include <sys/disklabel.h>
     51 
     52 #include <ctype.h>
     53 #include <err.h>
     54 #include <errno.h>
     55 #include <fcntl.h>
     56 #include <stdio.h>
     57 #include <stdlib.h>
     58 #include <string.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 
     66 int     main __P((int, char *[]));
     67 void	do_ioctl __P((int, u_long, void *, const char *));
     68 static  void rf_configure __P((int, char*, int));
     69 static  const char *device_status __P((RF_DiskStatus_t));
     70 static  void rf_get_device_status __P((int));
     71 static	void rf_output_configuration __P((int, const char *));
     72 static  void get_component_number __P((int, char *, int *, int *));
     73 static  void rf_fail_disk __P((int, char *, int));
     74 static  void usage __P((void));
     75 static  void get_component_label __P((int, char *));
     76 static  void set_component_label __P((int, char *));
     77 static  void init_component_labels __P((int, int));
     78 static  void set_autoconfig __P((int, int, char *));
     79 static  void add_hot_spare __P((int, char *));
     80 static  void remove_hot_spare __P((int, char *));
     81 static  void rebuild_in_place __P((int, char *));
     82 static  void check_status __P((int,int));
     83 static  void check_parity __P((int,int, char *));
     84 static  void do_meter __P((int, u_long));
     85 static  void get_bar __P((char *, double, int));
     86 static  void get_time_string __P((char *, int));
     87 
     88 int verbose;
     89 
     90 int
     91 main(argc,argv)
     92 	int argc;
     93 	char *argv[];
     94 {
     95 	int ch;
     96 	int num_options;
     97 	unsigned long action;
     98 	char config_filename[PATH_MAX];
     99 	char dev_name[PATH_MAX];
    100 	char name[PATH_MAX];
    101 	char component[PATH_MAX];
    102 	char autoconf[10];
    103 	int do_output;
    104 	int do_recon;
    105 	int do_rewrite;
    106 	int is_clean;
    107 	int raidID;
    108 	int serial_number;
    109 	struct stat st;
    110 	int fd;
    111 	int force;
    112 	int openmode;
    113 
    114 	num_options = 0;
    115 	action = 0;
    116 	do_output = 0;
    117 	do_recon = 0;
    118 	do_rewrite = 0;
    119 	is_clean = 0;
    120 	force = 0;
    121 	openmode = O_RDWR;	/* default to read/write */
    122 
    123 	while ((ch = getopt(argc, argv, "a:A:Bc:C:f:F:g:GiI:l:r:R:sSpPuv"))
    124 	       != -1)
    125 		switch(ch) {
    126 		case 'a':
    127 			action = RAIDFRAME_ADD_HOT_SPARE;
    128 			strncpy(component, optarg, PATH_MAX);
    129 			num_options++;
    130 			break;
    131 		case 'A':
    132 			action = RAIDFRAME_SET_AUTOCONFIG;
    133 			strncpy(autoconf, optarg, 10);
    134 			num_options++;
    135 			break;
    136 		case 'B':
    137 			action = RAIDFRAME_COPYBACK;
    138 			num_options++;
    139 			break;
    140 		case 'c':
    141 			action = RAIDFRAME_CONFIGURE;
    142 			strncpy(config_filename,optarg,PATH_MAX);
    143 			force = 0;
    144 			num_options++;
    145 			break;
    146 		case 'C':
    147 			strncpy(config_filename,optarg,PATH_MAX);
    148 			action = RAIDFRAME_CONFIGURE;
    149 			force = 1;
    150 			num_options++;
    151 			break;
    152 		case 'f':
    153 			action = RAIDFRAME_FAIL_DISK;
    154 			strncpy(component, optarg, PATH_MAX);
    155 			do_recon = 0;
    156 			num_options++;
    157 			break;
    158 		case 'F':
    159 			action = RAIDFRAME_FAIL_DISK;
    160 			strncpy(component, optarg, PATH_MAX);
    161 			do_recon = 1;
    162 			num_options++;
    163 			break;
    164 		case 'g':
    165 			action = RAIDFRAME_GET_COMPONENT_LABEL;
    166 			strncpy(component, optarg, PATH_MAX);
    167 			openmode = O_RDONLY;
    168 			num_options++;
    169 			break;
    170 		case 'G':
    171 			action = RAIDFRAME_GET_INFO;
    172 			openmode = O_RDONLY;
    173 			do_output = 1;
    174 			num_options++;
    175 			break;
    176 		case 'i':
    177 			action = RAIDFRAME_REWRITEPARITY;
    178 			num_options++;
    179 			break;
    180 		case 'I':
    181 			action = RAIDFRAME_INIT_LABELS;
    182 			serial_number = atoi(optarg);
    183 			num_options++;
    184 			break;
    185 		case 'l':
    186 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    187 			strncpy(component, optarg, PATH_MAX);
    188 			num_options++;
    189 			break;
    190 		case 'r':
    191 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    192 			strncpy(component, optarg, PATH_MAX);
    193 			num_options++;
    194 			break;
    195 		case 'R':
    196 			strncpy(component,optarg,PATH_MAX);
    197 			action = RAIDFRAME_REBUILD_IN_PLACE;
    198 			num_options++;
    199 			break;
    200 		case 's':
    201 			action = RAIDFRAME_GET_INFO;
    202 			openmode = O_RDONLY;
    203 			num_options++;
    204 			break;
    205 		case 'S':
    206 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    207 			openmode = O_RDONLY;
    208 			num_options++;
    209 			break;
    210 		case 'p':
    211 			action = RAIDFRAME_CHECK_PARITY;
    212 			openmode = O_RDONLY;
    213 			num_options++;
    214 			break;
    215 		case 'P':
    216 			action = RAIDFRAME_CHECK_PARITY;
    217 			do_rewrite = 1;
    218 			num_options++;
    219 			break;
    220 		case 'u':
    221 			action = RAIDFRAME_SHUTDOWN;
    222 			num_options++;
    223 			break;
    224 		case 'v':
    225 			verbose = 1;
    226 			/* Don't bump num_options, as '-v' is not
    227 			   an option like the others */
    228 			/* num_options++; */
    229 			break;
    230 		default:
    231 			usage();
    232 		}
    233 	argc -= optind;
    234 	argv += optind;
    235 
    236 	if ((num_options > 1) || (argc == NULL))
    237 		usage();
    238 
    239 	strncpy(name,argv[0],PATH_MAX);
    240 	fd = opendisk(name, openmode, dev_name, sizeof(dev_name), 1);
    241 	if (fd == -1) {
    242 		fprintf(stderr, "%s: unable to open device file: %s\n",
    243 			getprogname(), name);
    244 		exit(1);
    245 	}
    246 	if (fstat(fd, &st) != 0) {
    247 		fprintf(stderr,"%s: stat failure on: %s\n",
    248 			getprogname(), dev_name);
    249 		exit(1);
    250 	}
    251 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) {
    252 		fprintf(stderr,"%s: invalid device: %s\n",
    253 			getprogname(), dev_name);
    254 		exit(1);
    255 	}
    256 
    257 	raidID = DISKUNIT(st.st_rdev);
    258 
    259 	switch(action) {
    260 	case RAIDFRAME_ADD_HOT_SPARE:
    261 		add_hot_spare(fd, component);
    262 		break;
    263 	case RAIDFRAME_REMOVE_HOT_SPARE:
    264 		remove_hot_spare(fd, component);
    265 		break;
    266 	case RAIDFRAME_CONFIGURE:
    267 		rf_configure(fd, config_filename, force);
    268 		break;
    269 	case RAIDFRAME_SET_AUTOCONFIG:
    270 		set_autoconfig(fd, raidID, autoconf);
    271 		break;
    272 	case RAIDFRAME_COPYBACK:
    273 		printf("Copyback.\n");
    274 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    275 		if (verbose) {
    276 			sleep(3); /* XXX give the copyback a chance to start */
    277 			printf("Copyback status:\n");
    278 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    279 		}
    280 		break;
    281 	case RAIDFRAME_FAIL_DISK:
    282 		rf_fail_disk(fd, component, do_recon);
    283 		break;
    284 	case RAIDFRAME_SET_COMPONENT_LABEL:
    285 		set_component_label(fd, component);
    286 		break;
    287 	case RAIDFRAME_GET_COMPONENT_LABEL:
    288 		get_component_label(fd, component);
    289 		break;
    290 	case RAIDFRAME_INIT_LABELS:
    291 		init_component_labels(fd, serial_number);
    292 		break;
    293 	case RAIDFRAME_REWRITEPARITY:
    294 		printf("Initiating re-write of parity\n");
    295 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    296 			 "RAIDFRAME_REWRITEPARITY");
    297 		if (verbose) {
    298 			sleep(3); /* XXX give it time to get started */
    299 			printf("Parity Re-write status:\n");
    300 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    301 		}
    302 		break;
    303 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    304 		check_status(fd,1);
    305 		break;
    306 	case RAIDFRAME_GET_INFO:
    307 		if (do_output)
    308 			rf_output_configuration(fd, dev_name);
    309 		else
    310 			rf_get_device_status(fd);
    311 		break;
    312 	case RAIDFRAME_REBUILD_IN_PLACE:
    313 		rebuild_in_place(fd, component);
    314 		break;
    315 	case RAIDFRAME_CHECK_PARITY:
    316 		check_parity(fd, do_rewrite, dev_name);
    317 		break;
    318 	case RAIDFRAME_SHUTDOWN:
    319 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    320 		break;
    321 	default:
    322 		break;
    323 	}
    324 
    325 	close(fd);
    326 	exit(0);
    327 }
    328 
    329 void
    330 do_ioctl(fd, command, arg, ioctl_name)
    331 	int fd;
    332 	unsigned long command;
    333 	void *arg;
    334 	const char *ioctl_name;
    335 {
    336 	if (ioctl(fd, command, arg) < 0) {
    337 		warn("ioctl (%s) failed", ioctl_name);
    338 		exit(1);
    339 	}
    340 }
    341 
    342 
    343 static void
    344 rf_configure(fd,config_file,force)
    345 	int fd;
    346 	char *config_file;
    347 	int force;
    348 {
    349 	void *generic;
    350 	RF_Config_t cfg;
    351 
    352 	if (rf_MakeConfig( config_file, &cfg ) != 0) {
    353 		fprintf(stderr,"%s: unable to create RAIDframe %s\n",
    354 			getprogname(), "configuration structure\n");
    355 		exit(1);
    356 	}
    357 
    358 	cfg.force = force;
    359 
    360 	/*
    361 	 * Note the extra level of redirection needed here, since
    362 	 * what we really want to pass in is a pointer to the pointer to
    363 	 * the configuration structure.
    364 	 */
    365 
    366 	generic = (void *) &cfg;
    367 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    368 }
    369 
    370 static const char *
    371 device_status(status)
    372 	RF_DiskStatus_t status;
    373 {
    374 
    375 	switch (status) {
    376 	case rf_ds_optimal:
    377 		return ("optimal");
    378 		break;
    379 	case rf_ds_failed:
    380 		return ("failed");
    381 		break;
    382 	case rf_ds_reconstructing:
    383 		return ("reconstructing");
    384 		break;
    385 	case rf_ds_dist_spared:
    386 		return ("dist_spared");
    387 		break;
    388 	case rf_ds_spared:
    389 		return ("spared");
    390 		break;
    391 	case rf_ds_spare:
    392 		return ("spare");
    393 		break;
    394 	case rf_ds_used_spare:
    395 		return ("used_spare");
    396 		break;
    397 	default:
    398 		return ("UNKNOWN");
    399 	}
    400 	/* NOTREACHED */
    401 }
    402 
    403 static void
    404 rf_get_device_status(fd)
    405 	int fd;
    406 {
    407 	RF_DeviceConfig_t device_config;
    408 	void *cfg_ptr;
    409 	int is_clean;
    410 	int i;
    411 
    412 	cfg_ptr = &device_config;
    413 
    414 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    415 
    416 	printf("Components:\n");
    417 	for(i=0; i < device_config.ndevs; i++) {
    418 		printf("%20s: %s\n", device_config.devs[i].devname,
    419 		       device_status(device_config.devs[i].status));
    420 	}
    421 	if (device_config.nspares > 0) {
    422 		printf("Spares:\n");
    423 		for(i=0; i < device_config.nspares; i++) {
    424 			printf("%20s: %s\n",
    425 			       device_config.spares[i].devname,
    426 			       device_status(device_config.spares[i].status));
    427 		}
    428 	} else {
    429 		printf("No spares.\n");
    430 	}
    431 	for(i=0; i < device_config.ndevs; i++) {
    432 		if (device_config.devs[i].status == rf_ds_optimal) {
    433 			get_component_label(fd, device_config.devs[i].devname);
    434 		} else {
    435 			printf("%s status is: %s.  Skipping label.\n",
    436 			       device_config.devs[i].devname,
    437 			       device_status(device_config.devs[i].status));
    438 		}
    439 	}
    440 
    441 	if (device_config.nspares > 0) {
    442 		for(i=0; i < device_config.nspares; i++) {
    443 			if ((device_config.spares[i].status ==
    444 			     rf_ds_optimal) ||
    445 			    (device_config.spares[i].status ==
    446 			     rf_ds_used_spare)) {
    447 				get_component_label(fd,
    448 					    device_config.spares[i].devname);
    449 			} else {
    450 				printf("%s status is: %s.  Skipping label.\n",
    451 				       device_config.spares[i].devname,
    452 				       device_status(device_config.spares[i].status));
    453 			}
    454 		}
    455 	}
    456 
    457 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    458 		 "RAIDFRAME_CHECK_PARITY");
    459 	if (is_clean) {
    460 		printf("Parity status: clean\n");
    461 	} else {
    462 		printf("Parity status: DIRTY\n");
    463 	}
    464 	check_status(fd,0);
    465 }
    466 
    467 static void
    468 rf_output_configuration(fd, name)
    469 	int fd;
    470 	const char *name;
    471 {
    472 	RF_DeviceConfig_t device_config;
    473 	void *cfg_ptr;
    474 	int i;
    475 	RF_ComponentLabel_t component_label;
    476 	void *label_ptr;
    477 	int component_num;
    478 	int num_cols;
    479 
    480 	cfg_ptr = &device_config;
    481 
    482 	printf("# raidctl config file for %s\n", name);
    483 	printf("\n");
    484 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    485 
    486 	printf("START array\n");
    487 	printf("# numRow numCol numSpare\n");
    488 	printf("%d %d %d\n", device_config.rows, device_config.cols,
    489 	    device_config.nspares);
    490 	printf("\n");
    491 
    492 	printf("START disks\n");
    493 	for(i=0; i < device_config.ndevs; i++)
    494 		printf("%s\n", device_config.devs[i].devname);
    495 	printf("\n");
    496 
    497 	if (device_config.nspares > 0) {
    498 		printf("START spare\n");
    499 		for(i=0; i < device_config.nspares; i++)
    500 			printf("%s\n", device_config.spares[i].devname);
    501 		printf("\n");
    502 	}
    503 
    504 	for(i=0; i < device_config.ndevs; i++) {
    505 		if (device_config.devs[i].status == rf_ds_optimal)
    506 			break;
    507 	}
    508 	if (i == device_config.ndevs) {
    509 		printf("# WARNING: no optimal components; using %s\n",
    510 		    device_config.devs[0].devname);
    511 		i = 0;
    512 	}
    513 	get_component_number(fd, device_config.devs[i].devname,
    514 	    &component_num, &num_cols);
    515 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    516 	component_label.row = component_num / num_cols;
    517 	component_label.column = component_num % num_cols;
    518 	label_ptr = &component_label;
    519 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    520 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    521 
    522 	printf("START layout\n");
    523 	printf(
    524 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    525 	    (char) component_label.parityConfig);
    526 	printf("%d %d %d %c\n",
    527 	    component_label.sectPerSU, component_label.SUsPerPU,
    528 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    529 	printf("\n");
    530 
    531 	printf("START queue\n");
    532 	printf("fifo %d\n", device_config.maxqdepth);
    533 }
    534 
    535 static void
    536 get_component_number(fd, component_name, component_number, num_columns)
    537 	int fd;
    538 	char *component_name;
    539 	int *component_number;
    540 	int *num_columns;
    541 {
    542 	RF_DeviceConfig_t device_config;
    543 	void *cfg_ptr;
    544 	int i;
    545 	int found;
    546 
    547 	*component_number = -1;
    548 
    549 	/* Assuming a full path spec... */
    550 	cfg_ptr = &device_config;
    551 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    552 		 "RAIDFRAME_GET_INFO");
    553 
    554 	*num_columns = device_config.cols;
    555 
    556 	found = 0;
    557 	for(i=0; i < device_config.ndevs; i++) {
    558 		if (strncmp(component_name, device_config.devs[i].devname,
    559 			    PATH_MAX)==0) {
    560 			found = 1;
    561 			*component_number = i;
    562 		}
    563 	}
    564 	if (!found) { /* maybe it's a spare? */
    565 		for(i=0; i < device_config.nspares; i++) {
    566 			if (strncmp(component_name,
    567 				    device_config.spares[i].devname,
    568 				    PATH_MAX)==0) {
    569 				found = 1;
    570 				*component_number = i + device_config.ndevs;
    571 				/* the way spares are done should
    572 				   really change... */
    573 				*num_columns = device_config.cols +
    574 					device_config.nspares;
    575 			}
    576 		}
    577 	}
    578 
    579 	if (!found) {
    580 		fprintf(stderr,"%s: %s is not a component %s", getprogname(),
    581 			component_name, "of this device\n");
    582 		exit(1);
    583 	}
    584 }
    585 
    586 static void
    587 rf_fail_disk(fd, component_to_fail, do_recon)
    588 	int fd;
    589 	char *component_to_fail;
    590 	int do_recon;
    591 {
    592 	struct rf_recon_req recon_request;
    593 	int component_num;
    594 	int num_cols;
    595 
    596 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    597 
    598 	recon_request.row = component_num / num_cols;
    599 	recon_request.col = component_num % num_cols;
    600 	if (do_recon) {
    601 		recon_request.flags = RF_FDFLAGS_RECON;
    602 	} else {
    603 		recon_request.flags = RF_FDFLAGS_NONE;
    604 	}
    605 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    606 		 "RAIDFRAME_FAIL_DISK");
    607 	if (do_recon && verbose) {
    608 		printf("Reconstruction status:\n");
    609 		sleep(3); /* XXX give reconstruction a chance to start */
    610 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    611 	}
    612 }
    613 
    614 static void
    615 get_component_label(fd, component)
    616 	int fd;
    617 	char *component;
    618 {
    619 	RF_ComponentLabel_t component_label;
    620 	void *label_ptr;
    621 	int component_num;
    622 	int num_cols;
    623 
    624 	get_component_number(fd, component, &component_num, &num_cols);
    625 
    626 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    627 	component_label.row = component_num / num_cols;
    628 	component_label.column = component_num % num_cols;
    629 
    630 	label_ptr = &component_label;
    631 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    632 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    633 
    634 	printf("Component label for %s:\n",component);
    635 
    636 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    637 	       component_label.row, component_label.column,
    638 	       component_label.num_rows, component_label.num_columns);
    639 	printf("   Version: %d, Serial Number: %d, Mod Counter: %d\n",
    640 	       component_label.version, component_label.serial_number,
    641 	       component_label.mod_counter);
    642 	printf("   Clean: %s, Status: %d\n",
    643 	       component_label.clean ? "Yes" : "No",
    644 	       component_label.status );
    645 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    646 	       component_label.sectPerSU, component_label.SUsPerPU,
    647 	       component_label.SUsPerRU);
    648 	printf("   Queue size: %d, blocksize: %d, numBlocks: %d\n",
    649 	       component_label.maxOutstanding, component_label.blockSize,
    650 	       component_label.numBlocks);
    651 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    652 	printf("   Autoconfig: %s\n",
    653 	       component_label.autoconfigure ? "Yes" : "No" );
    654 	printf("   Root partition: %s\n",
    655 	       component_label.root_partition ? "Yes" : "No" );
    656 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    657 }
    658 
    659 static void
    660 set_component_label(fd, component)
    661 	int fd;
    662 	char *component;
    663 {
    664 	RF_ComponentLabel_t component_label;
    665 	int component_num;
    666 	int num_cols;
    667 
    668 	get_component_number(fd, component, &component_num, &num_cols);
    669 
    670 	/* XXX This is currently here for testing, and future expandability */
    671 
    672 	component_label.version = 1;
    673 	component_label.serial_number = 123456;
    674 	component_label.mod_counter = 0;
    675 	component_label.row = component_num / num_cols;
    676 	component_label.column = component_num % num_cols;
    677 	component_label.num_rows = 0;
    678 	component_label.num_columns = 5;
    679 	component_label.clean = 0;
    680 	component_label.status = 1;
    681 
    682 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    683 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    684 }
    685 
    686 
    687 static void
    688 init_component_labels(fd, serial_number)
    689 	int fd;
    690 	int serial_number;
    691 {
    692 	RF_ComponentLabel_t component_label;
    693 
    694 	component_label.version = 0;
    695 	component_label.serial_number = serial_number;
    696 	component_label.mod_counter = 0;
    697 	component_label.row = 0;
    698 	component_label.column = 0;
    699 	component_label.num_rows = 0;
    700 	component_label.num_columns = 0;
    701 	component_label.clean = 0;
    702 	component_label.status = 0;
    703 
    704 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    705 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    706 }
    707 
    708 static void
    709 set_autoconfig(fd, raidID, autoconf)
    710 	int fd;
    711 	int raidID;
    712 	char *autoconf;
    713 {
    714 	int auto_config;
    715 	int root_config;
    716 
    717 	auto_config = 0;
    718 	root_config = 0;
    719 
    720 	if (strncasecmp(autoconf,"root", 4) == 0) {
    721 		root_config = 1;
    722 	}
    723 
    724 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    725 	    root_config == 1) {
    726 		auto_config = 1;
    727 	}
    728 
    729 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    730 		 "RAIDFRAME_SET_AUTOCONFIG");
    731 
    732 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    733 		 "RAIDFRAME_SET_ROOT");
    734 
    735 	printf("raid%d: Autoconfigure: %s\n", raidID,
    736 	       auto_config ? "Yes" : "No");
    737 
    738 	if (root_config == 1) {
    739 		printf("raid%d: Root: %s\n", raidID,
    740 		       auto_config ? "Yes" : "No");
    741 	}
    742 }
    743 
    744 static void
    745 add_hot_spare(fd, component)
    746 	int fd;
    747 	char *component;
    748 {
    749 	RF_SingleComponent_t hot_spare;
    750 
    751 	hot_spare.row = 0;
    752 	hot_spare.column = 0;
    753 	strncpy(hot_spare.component_name, component,
    754 		sizeof(hot_spare.component_name));
    755 
    756 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    757 		  "RAIDFRAME_ADD_HOT_SPARE");
    758 }
    759 
    760 static void
    761 remove_hot_spare(fd, component)
    762 	int fd;
    763 	char *component;
    764 {
    765 	RF_SingleComponent_t hot_spare;
    766 	int component_num;
    767 	int num_cols;
    768 
    769 	get_component_number(fd, component, &component_num, &num_cols);
    770 
    771 	hot_spare.row = component_num / num_cols;
    772 	hot_spare.column = component_num % num_cols;
    773 
    774 	strncpy(hot_spare.component_name, component,
    775 		sizeof(hot_spare.component_name));
    776 
    777 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    778 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    779 }
    780 
    781 static void
    782 rebuild_in_place( fd, component )
    783 	int fd;
    784 	char *component;
    785 {
    786 	RF_SingleComponent_t comp;
    787 	int component_num;
    788 	int num_cols;
    789 
    790 	get_component_number(fd, component, &component_num, &num_cols);
    791 
    792 	comp.row = 0;
    793 	comp.column = component_num;
    794 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    795 
    796 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    797 		  "RAIDFRAME_REBUILD_IN_PLACE");
    798 
    799 	if (verbose) {
    800 		printf("Reconstruction status:\n");
    801 		sleep(3); /* XXX give reconstruction a chance to start */
    802 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    803 	}
    804 
    805 }
    806 
    807 static void
    808 check_parity( fd, do_rewrite, dev_name )
    809 	int fd;
    810 	int do_rewrite;
    811 	char *dev_name;
    812 {
    813 	int is_clean;
    814 	int percent_done;
    815 
    816 	is_clean = 0;
    817 	percent_done = 0;
    818 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    819 		 "RAIDFRAME_CHECK_PARITY");
    820 	if (is_clean) {
    821 		printf("%s: Parity status: clean\n",dev_name);
    822 	} else {
    823 		printf("%s: Parity status: DIRTY\n",dev_name);
    824 		if (do_rewrite) {
    825 			printf("%s: Initiating re-write of parity\n",
    826 			       dev_name);
    827 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    828 				 "RAIDFRAME_REWRITEPARITY");
    829 			sleep(3); /* XXX give it time to
    830 				     get started. */
    831 			if (verbose) {
    832 				printf("Parity Re-write status:\n");
    833 				do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    834 			} else {
    835 				do_ioctl(fd,
    836 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    837 					 &percent_done,
    838 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    839 					 );
    840 				while( percent_done < 100 ) {
    841 					sleep(3); /* wait a bit... */
    842 					do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    843 						 &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    844 				}
    845 
    846 			}
    847 			       printf("%s: Parity Re-write complete\n",
    848 				      dev_name);
    849 		} else {
    850 			/* parity is wrong, and is not being fixed.
    851 			   Exit w/ an error. */
    852 			exit(1);
    853 		}
    854 	}
    855 }
    856 
    857 
    858 static void
    859 check_status( fd, meter )
    860 	int fd;
    861 	int meter;
    862 {
    863 	int recon_percent_done = 0;
    864 	int parity_percent_done = 0;
    865 	int copyback_percent_done = 0;
    866 
    867 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
    868 		 "RAIDFRAME_CHECK_RECON_STATUS");
    869 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
    870 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    871 		 &parity_percent_done,
    872 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    873 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
    874 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
    875 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
    876 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
    877 
    878 	if (meter) {
    879 		/* These 3 should be mutually exclusive at this point */
    880 		if (recon_percent_done < 100) {
    881 			printf("Reconstruction status:\n");
    882 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    883 		} else if (parity_percent_done < 100) {
    884 			printf("Parity Re-write status:\n");
    885 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    886 		} else if (copyback_percent_done < 100) {
    887 			printf("Copyback status:\n");
    888 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    889 		}
    890 	}
    891 }
    892 
    893 const char *tbits = "|/-\\";
    894 
    895 static void
    896 do_meter(fd, option)
    897 	int fd;
    898 	u_long option;
    899 {
    900 	int percent_done;
    901 	int last_value;
    902 	int start_value;
    903 	RF_ProgressInfo_t progressInfo;
    904 	void *pInfoPtr;
    905 	struct timeval start_time;
    906 	struct timeval last_time;
    907 	struct timeval current_time;
    908 	double elapsed;
    909 	int elapsed_sec;
    910 	int elapsed_usec;
    911 	int simple_eta,last_eta;
    912 	double rate;
    913 	int amount;
    914 	int tbit_value;
    915 	int wait_for_more_data;
    916 	char buffer[1024];
    917 	char bar_buffer[1024];
    918 	char eta_buffer[1024];
    919 
    920 	if (gettimeofday(&start_time,NULL)) {
    921 		fprintf(stderr,"%s: gettimeofday failed!?!?\n", getprogname());
    922 		exit(errno);
    923 	}
    924 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
    925 	pInfoPtr=&progressInfo;
    926 
    927 	percent_done = 0;
    928 	do_ioctl(fd, option, &pInfoPtr, "");
    929 	last_value = progressInfo.completed;
    930 	start_value = last_value;
    931 	last_time = start_time;
    932 	current_time = start_time;
    933 
    934 	wait_for_more_data = 0;
    935 	tbit_value = 0;
    936 	while(progressInfo.completed < progressInfo.total) {
    937 
    938 		percent_done = (progressInfo.completed * 100) /
    939 			progressInfo.total;
    940 
    941 		get_bar(bar_buffer, percent_done, 40);
    942 
    943 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
    944 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
    945 		if (elapsed_usec < 0) {
    946 			elapsed_usec-=1000000;
    947 			elapsed_sec++;
    948 		}
    949 
    950 		elapsed = (double) elapsed_sec +
    951 			(double) elapsed_usec / 1000000.0;
    952 
    953 		amount = progressInfo.completed - start_value;
    954 
    955 		if (amount <= 0) { /* we don't do negatives (yet?) */
    956 			amount = 0;
    957 			wait_for_more_data = 1;
    958 		} else {
    959 			wait_for_more_data = 0;
    960 		}
    961 
    962 		if (elapsed == 0)
    963 			rate = 0.0;
    964 		else
    965 			rate = amount / elapsed;
    966 
    967 		if (rate > 0.0) {
    968 			simple_eta = (int) (((double)progressInfo.total -
    969 					     (double) progressInfo.completed)
    970 					    / rate);
    971 		} else {
    972 			simple_eta = -1;
    973 		}
    974 
    975 		if (simple_eta <=0) {
    976 			simple_eta = last_eta;
    977 		} else {
    978 			last_eta = simple_eta;
    979 		}
    980 
    981 		get_time_string(eta_buffer, simple_eta);
    982 
    983 		snprintf(buffer,1024,"\r%3d%% |%s| ETA: %s %c",
    984 			 percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
    985 
    986 		write(fileno(stdout),buffer,strlen(buffer));
    987 		fflush(stdout);
    988 
    989 		/* resolution wasn't high enough... wait until we get another
    990 		   timestamp and perhaps more "work" done. */
    991 
    992 		if (!wait_for_more_data) {
    993 			last_time = current_time;
    994 			last_value = progressInfo.completed;
    995 		}
    996 
    997 		if (++tbit_value>3)
    998 			tbit_value = 0;
    999 
   1000 		sleep(2);
   1001 
   1002 		if (gettimeofday(&current_time,NULL)) {
   1003 			fprintf(stderr,"%s: gettimeofday failed!?!?\n",
   1004 				getprogname());
   1005 			exit(errno);
   1006 		}
   1007 
   1008 		do_ioctl( fd, option, &pInfoPtr, "");
   1009 
   1010 
   1011 	}
   1012 	printf("\n");
   1013 }
   1014 /* 40 '*''s per line, then 40 ' ''s line. */
   1015 /* If you've got a screen wider than 160 characters, "tough" */
   1016 
   1017 #define STAR_MIDPOINT 4*40
   1018 const char stars[] = "****************************************"
   1019                      "****************************************"
   1020                      "****************************************"
   1021                      "****************************************"
   1022                      "                                        "
   1023                      "                                        "
   1024                      "                                        "
   1025                      "                                        "
   1026                      "                                        ";
   1027 
   1028 static void
   1029 get_bar(string,percent,max_strlen)
   1030 	char *string;
   1031 	double percent;
   1032 	int max_strlen;
   1033 {
   1034 	int offset;
   1035 
   1036 	if (max_strlen > STAR_MIDPOINT) {
   1037 		max_strlen = STAR_MIDPOINT;
   1038 	}
   1039 	offset = STAR_MIDPOINT -
   1040 		(int)((percent * max_strlen)/ 100);
   1041 	if (offset < 0)
   1042 		offset = 0;
   1043 	snprintf(string,max_strlen,"%s",&stars[offset]);
   1044 }
   1045 
   1046 static void
   1047 get_time_string(string,simple_time)
   1048 	char *string;
   1049 	int simple_time;
   1050 {
   1051 	int minutes, seconds, hours;
   1052 	char hours_buffer[5];
   1053 	char minutes_buffer[5];
   1054 	char seconds_buffer[5];
   1055 
   1056 	if (simple_time >= 0) {
   1057 
   1058 		minutes = (int) simple_time / 60;
   1059 		seconds = ((int)simple_time - 60*minutes);
   1060 		hours = minutes / 60;
   1061 		minutes = minutes - 60*hours;
   1062 
   1063 		if (hours > 0) {
   1064 			snprintf(hours_buffer,5,"%02d:",hours);
   1065 		} else {
   1066 			snprintf(hours_buffer,5,"   ");
   1067 		}
   1068 
   1069 		snprintf(minutes_buffer,5,"%02d:",minutes);
   1070 		snprintf(seconds_buffer,5,"%02d",seconds);
   1071 		snprintf(string,1024,"%s%s%s",
   1072 			 hours_buffer, minutes_buffer, seconds_buffer);
   1073 	} else {
   1074 		snprintf(string,1024,"   --:--");
   1075 	}
   1076 
   1077 }
   1078 
   1079 static void
   1080 usage()
   1081 {
   1082 	const char *progname = getprogname();
   1083 
   1084 	fprintf(stderr, "usage: %s [-v] -a component dev\n", progname);
   1085 	fprintf(stderr, "       %s [-v] -A yes | no | root dev\n", progname);
   1086 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1087 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1088 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1089 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1090 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1091 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1092 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1093 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1094 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1095 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1096 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1097 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1098 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1099 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1100 #if 0
   1101 	fprintf(stderr, "usage: %s %s\n", progname,
   1102 		"-a | -f | -F | -g | -r | -R component dev");
   1103 	fprintf(stderr, "       %s -B | -i | -s | -S -u dev\n", progname);
   1104 	fprintf(stderr, "       %s -c | -C config_file dev\n", progname);
   1105 	fprintf(stderr, "       %s -I serial_number dev\n", progname);
   1106 #endif
   1107 	exit(1);
   1108 	/* NOTREACHED */
   1109 }
   1110