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raidctl.c revision 1.32
      1 /*      $NetBSD: raidctl.c,v 1.32 2003/04/15 07:36:14 itojun 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 			strlcpy(component, optarg, sizeof(component));
    129 			num_options++;
    130 			break;
    131 		case 'A':
    132 			action = RAIDFRAME_SET_AUTOCONFIG;
    133 			strlcpy(autoconf, optarg, sizeof(autoconf));
    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 			strlcpy(config_filename, optarg,
    143 			    sizeof(config_filename));
    144 			force = 0;
    145 			num_options++;
    146 			break;
    147 		case 'C':
    148 			strlcpy(config_filename, optarg,
    149 			    sizeof(config_filename));
    150 			action = RAIDFRAME_CONFIGURE;
    151 			force = 1;
    152 			num_options++;
    153 			break;
    154 		case 'f':
    155 			action = RAIDFRAME_FAIL_DISK;
    156 			strlcpy(component, optarg, sizeof(component));
    157 			do_recon = 0;
    158 			num_options++;
    159 			break;
    160 		case 'F':
    161 			action = RAIDFRAME_FAIL_DISK;
    162 			strlcpy(component, optarg, sizeof(component));
    163 			do_recon = 1;
    164 			num_options++;
    165 			break;
    166 		case 'g':
    167 			action = RAIDFRAME_GET_COMPONENT_LABEL;
    168 			strlcpy(component, optarg, sizeof(component));
    169 			openmode = O_RDONLY;
    170 			num_options++;
    171 			break;
    172 		case 'G':
    173 			action = RAIDFRAME_GET_INFO;
    174 			openmode = O_RDONLY;
    175 			do_output = 1;
    176 			num_options++;
    177 			break;
    178 		case 'i':
    179 			action = RAIDFRAME_REWRITEPARITY;
    180 			num_options++;
    181 			break;
    182 		case 'I':
    183 			action = RAIDFRAME_INIT_LABELS;
    184 			serial_number = atoi(optarg);
    185 			num_options++;
    186 			break;
    187 		case 'l':
    188 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    189 			strlcpy(component, optarg, sizeof(component));
    190 			num_options++;
    191 			break;
    192 		case 'r':
    193 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    194 			strlcpy(component, optarg, sizeof(component));
    195 			num_options++;
    196 			break;
    197 		case 'R':
    198 			strlcpy(component, optarg, sizeof(component));
    199 			action = RAIDFRAME_REBUILD_IN_PLACE;
    200 			num_options++;
    201 			break;
    202 		case 's':
    203 			action = RAIDFRAME_GET_INFO;
    204 			openmode = O_RDONLY;
    205 			num_options++;
    206 			break;
    207 		case 'S':
    208 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    209 			openmode = O_RDONLY;
    210 			num_options++;
    211 			break;
    212 		case 'p':
    213 			action = RAIDFRAME_CHECK_PARITY;
    214 			openmode = O_RDONLY;
    215 			num_options++;
    216 			break;
    217 		case 'P':
    218 			action = RAIDFRAME_CHECK_PARITY;
    219 			do_rewrite = 1;
    220 			num_options++;
    221 			break;
    222 		case 'u':
    223 			action = RAIDFRAME_SHUTDOWN;
    224 			num_options++;
    225 			break;
    226 		case 'v':
    227 			verbose = 1;
    228 			/* Don't bump num_options, as '-v' is not
    229 			   an option like the others */
    230 			/* num_options++; */
    231 			break;
    232 		default:
    233 			usage();
    234 		}
    235 	argc -= optind;
    236 	argv += optind;
    237 
    238 	if ((num_options > 1) || (argc == NULL))
    239 		usage();
    240 
    241 	strlcpy(name, argv[0], sizeof(name));
    242 	fd = opendisk(name, openmode, dev_name, sizeof(dev_name), 1);
    243 	if (fd == -1) {
    244 		fprintf(stderr, "%s: unable to open device file: %s\n",
    245 			getprogname(), name);
    246 		exit(1);
    247 	}
    248 	if (fstat(fd, &st) != 0) {
    249 		fprintf(stderr,"%s: stat failure on: %s\n",
    250 			getprogname(), dev_name);
    251 		exit(1);
    252 	}
    253 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) {
    254 		fprintf(stderr,"%s: invalid device: %s\n",
    255 			getprogname(), dev_name);
    256 		exit(1);
    257 	}
    258 
    259 	raidID = DISKUNIT(st.st_rdev);
    260 
    261 	switch(action) {
    262 	case RAIDFRAME_ADD_HOT_SPARE:
    263 		add_hot_spare(fd, component);
    264 		break;
    265 	case RAIDFRAME_REMOVE_HOT_SPARE:
    266 		remove_hot_spare(fd, component);
    267 		break;
    268 	case RAIDFRAME_CONFIGURE:
    269 		rf_configure(fd, config_filename, force);
    270 		break;
    271 	case RAIDFRAME_SET_AUTOCONFIG:
    272 		set_autoconfig(fd, raidID, autoconf);
    273 		break;
    274 	case RAIDFRAME_COPYBACK:
    275 		printf("Copyback.\n");
    276 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    277 		if (verbose) {
    278 			sleep(3); /* XXX give the copyback a chance to start */
    279 			printf("Copyback status:\n");
    280 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    281 		}
    282 		break;
    283 	case RAIDFRAME_FAIL_DISK:
    284 		rf_fail_disk(fd, component, do_recon);
    285 		break;
    286 	case RAIDFRAME_SET_COMPONENT_LABEL:
    287 		set_component_label(fd, component);
    288 		break;
    289 	case RAIDFRAME_GET_COMPONENT_LABEL:
    290 		get_component_label(fd, component);
    291 		break;
    292 	case RAIDFRAME_INIT_LABELS:
    293 		init_component_labels(fd, serial_number);
    294 		break;
    295 	case RAIDFRAME_REWRITEPARITY:
    296 		printf("Initiating re-write of parity\n");
    297 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    298 			 "RAIDFRAME_REWRITEPARITY");
    299 		if (verbose) {
    300 			sleep(3); /* XXX give it time to get started */
    301 			printf("Parity Re-write status:\n");
    302 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    303 		}
    304 		break;
    305 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    306 		check_status(fd,1);
    307 		break;
    308 	case RAIDFRAME_GET_INFO:
    309 		if (do_output)
    310 			rf_output_configuration(fd, dev_name);
    311 		else
    312 			rf_get_device_status(fd);
    313 		break;
    314 	case RAIDFRAME_REBUILD_IN_PLACE:
    315 		rebuild_in_place(fd, component);
    316 		break;
    317 	case RAIDFRAME_CHECK_PARITY:
    318 		check_parity(fd, do_rewrite, dev_name);
    319 		break;
    320 	case RAIDFRAME_SHUTDOWN:
    321 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    322 		break;
    323 	default:
    324 		break;
    325 	}
    326 
    327 	close(fd);
    328 	exit(0);
    329 }
    330 
    331 void
    332 do_ioctl(fd, command, arg, ioctl_name)
    333 	int fd;
    334 	unsigned long command;
    335 	void *arg;
    336 	const char *ioctl_name;
    337 {
    338 	if (ioctl(fd, command, arg) < 0) {
    339 		warn("ioctl (%s) failed", ioctl_name);
    340 		exit(1);
    341 	}
    342 }
    343 
    344 
    345 static void
    346 rf_configure(fd,config_file,force)
    347 	int fd;
    348 	char *config_file;
    349 	int force;
    350 {
    351 	void *generic;
    352 	RF_Config_t cfg;
    353 
    354 	if (rf_MakeConfig( config_file, &cfg ) != 0) {
    355 		fprintf(stderr,"%s: unable to create RAIDframe %s\n",
    356 			getprogname(), "configuration structure\n");
    357 		exit(1);
    358 	}
    359 
    360 	cfg.force = force;
    361 
    362 	/*
    363 	 * Note the extra level of redirection needed here, since
    364 	 * what we really want to pass in is a pointer to the pointer to
    365 	 * the configuration structure.
    366 	 */
    367 
    368 	generic = (void *) &cfg;
    369 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    370 }
    371 
    372 static const char *
    373 device_status(status)
    374 	RF_DiskStatus_t status;
    375 {
    376 
    377 	switch (status) {
    378 	case rf_ds_optimal:
    379 		return ("optimal");
    380 		break;
    381 	case rf_ds_failed:
    382 		return ("failed");
    383 		break;
    384 	case rf_ds_reconstructing:
    385 		return ("reconstructing");
    386 		break;
    387 	case rf_ds_dist_spared:
    388 		return ("dist_spared");
    389 		break;
    390 	case rf_ds_spared:
    391 		return ("spared");
    392 		break;
    393 	case rf_ds_spare:
    394 		return ("spare");
    395 		break;
    396 	case rf_ds_used_spare:
    397 		return ("used_spare");
    398 		break;
    399 	default:
    400 		return ("UNKNOWN");
    401 	}
    402 	/* NOTREACHED */
    403 }
    404 
    405 static void
    406 rf_get_device_status(fd)
    407 	int fd;
    408 {
    409 	RF_DeviceConfig_t device_config;
    410 	void *cfg_ptr;
    411 	int is_clean;
    412 	int i;
    413 
    414 	cfg_ptr = &device_config;
    415 
    416 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    417 
    418 	printf("Components:\n");
    419 	for(i=0; i < device_config.ndevs; i++) {
    420 		printf("%20s: %s\n", device_config.devs[i].devname,
    421 		       device_status(device_config.devs[i].status));
    422 	}
    423 	if (device_config.nspares > 0) {
    424 		printf("Spares:\n");
    425 		for(i=0; i < device_config.nspares; i++) {
    426 			printf("%20s: %s\n",
    427 			       device_config.spares[i].devname,
    428 			       device_status(device_config.spares[i].status));
    429 		}
    430 	} else {
    431 		printf("No spares.\n");
    432 	}
    433 	for(i=0; i < device_config.ndevs; i++) {
    434 		if (device_config.devs[i].status == rf_ds_optimal) {
    435 			get_component_label(fd, device_config.devs[i].devname);
    436 		} else {
    437 			printf("%s status is: %s.  Skipping label.\n",
    438 			       device_config.devs[i].devname,
    439 			       device_status(device_config.devs[i].status));
    440 		}
    441 	}
    442 
    443 	if (device_config.nspares > 0) {
    444 		for(i=0; i < device_config.nspares; i++) {
    445 			if ((device_config.spares[i].status ==
    446 			     rf_ds_optimal) ||
    447 			    (device_config.spares[i].status ==
    448 			     rf_ds_used_spare)) {
    449 				get_component_label(fd,
    450 					    device_config.spares[i].devname);
    451 			} else {
    452 				printf("%s status is: %s.  Skipping label.\n",
    453 				       device_config.spares[i].devname,
    454 				       device_status(device_config.spares[i].status));
    455 			}
    456 		}
    457 	}
    458 
    459 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    460 		 "RAIDFRAME_CHECK_PARITY");
    461 	if (is_clean) {
    462 		printf("Parity status: clean\n");
    463 	} else {
    464 		printf("Parity status: DIRTY\n");
    465 	}
    466 	check_status(fd,0);
    467 }
    468 
    469 static void
    470 rf_output_configuration(fd, name)
    471 	int fd;
    472 	const char *name;
    473 {
    474 	RF_DeviceConfig_t device_config;
    475 	void *cfg_ptr;
    476 	int i;
    477 	RF_ComponentLabel_t component_label;
    478 	void *label_ptr;
    479 	int component_num;
    480 	int num_cols;
    481 
    482 	cfg_ptr = &device_config;
    483 
    484 	printf("# raidctl config file for %s\n", name);
    485 	printf("\n");
    486 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    487 
    488 	printf("START array\n");
    489 	printf("# numRow numCol numSpare\n");
    490 	printf("%d %d %d\n", device_config.rows, device_config.cols,
    491 	    device_config.nspares);
    492 	printf("\n");
    493 
    494 	printf("START disks\n");
    495 	for(i=0; i < device_config.ndevs; i++)
    496 		printf("%s\n", device_config.devs[i].devname);
    497 	printf("\n");
    498 
    499 	if (device_config.nspares > 0) {
    500 		printf("START spare\n");
    501 		for(i=0; i < device_config.nspares; i++)
    502 			printf("%s\n", device_config.spares[i].devname);
    503 		printf("\n");
    504 	}
    505 
    506 	for(i=0; i < device_config.ndevs; i++) {
    507 		if (device_config.devs[i].status == rf_ds_optimal)
    508 			break;
    509 	}
    510 	if (i == device_config.ndevs) {
    511 		printf("# WARNING: no optimal components; using %s\n",
    512 		    device_config.devs[0].devname);
    513 		i = 0;
    514 	}
    515 	get_component_number(fd, device_config.devs[i].devname,
    516 	    &component_num, &num_cols);
    517 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    518 	component_label.row = component_num / num_cols;
    519 	component_label.column = component_num % num_cols;
    520 	label_ptr = &component_label;
    521 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    522 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    523 
    524 	printf("START layout\n");
    525 	printf(
    526 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    527 	    (char) component_label.parityConfig);
    528 	printf("%d %d %d %c\n",
    529 	    component_label.sectPerSU, component_label.SUsPerPU,
    530 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    531 	printf("\n");
    532 
    533 	printf("START queue\n");
    534 	printf("fifo %d\n", device_config.maxqdepth);
    535 }
    536 
    537 static void
    538 get_component_number(fd, component_name, component_number, num_columns)
    539 	int fd;
    540 	char *component_name;
    541 	int *component_number;
    542 	int *num_columns;
    543 {
    544 	RF_DeviceConfig_t device_config;
    545 	void *cfg_ptr;
    546 	int i;
    547 	int found;
    548 
    549 	*component_number = -1;
    550 
    551 	/* Assuming a full path spec... */
    552 	cfg_ptr = &device_config;
    553 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    554 		 "RAIDFRAME_GET_INFO");
    555 
    556 	*num_columns = device_config.cols;
    557 
    558 	found = 0;
    559 	for(i=0; i < device_config.ndevs; i++) {
    560 		if (strncmp(component_name, device_config.devs[i].devname,
    561 			    PATH_MAX)==0) {
    562 			found = 1;
    563 			*component_number = i;
    564 		}
    565 	}
    566 	if (!found) { /* maybe it's a spare? */
    567 		for(i=0; i < device_config.nspares; i++) {
    568 			if (strncmp(component_name,
    569 				    device_config.spares[i].devname,
    570 				    PATH_MAX)==0) {
    571 				found = 1;
    572 				*component_number = i + device_config.ndevs;
    573 				/* the way spares are done should
    574 				   really change... */
    575 				*num_columns = device_config.cols +
    576 					device_config.nspares;
    577 			}
    578 		}
    579 	}
    580 
    581 	if (!found) {
    582 		fprintf(stderr,"%s: %s is not a component %s", getprogname(),
    583 			component_name, "of this device\n");
    584 		exit(1);
    585 	}
    586 }
    587 
    588 static void
    589 rf_fail_disk(fd, component_to_fail, do_recon)
    590 	int fd;
    591 	char *component_to_fail;
    592 	int do_recon;
    593 {
    594 	struct rf_recon_req recon_request;
    595 	int component_num;
    596 	int num_cols;
    597 
    598 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    599 
    600 	recon_request.row = component_num / num_cols;
    601 	recon_request.col = component_num % num_cols;
    602 	if (do_recon) {
    603 		recon_request.flags = RF_FDFLAGS_RECON;
    604 	} else {
    605 		recon_request.flags = RF_FDFLAGS_NONE;
    606 	}
    607 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    608 		 "RAIDFRAME_FAIL_DISK");
    609 	if (do_recon && verbose) {
    610 		printf("Reconstruction status:\n");
    611 		sleep(3); /* XXX give reconstruction a chance to start */
    612 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    613 	}
    614 }
    615 
    616 static void
    617 get_component_label(fd, component)
    618 	int fd;
    619 	char *component;
    620 {
    621 	RF_ComponentLabel_t component_label;
    622 	void *label_ptr;
    623 	int component_num;
    624 	int num_cols;
    625 
    626 	get_component_number(fd, component, &component_num, &num_cols);
    627 
    628 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    629 	component_label.row = component_num / num_cols;
    630 	component_label.column = component_num % num_cols;
    631 
    632 	label_ptr = &component_label;
    633 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    634 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    635 
    636 	printf("Component label for %s:\n",component);
    637 
    638 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    639 	       component_label.row, component_label.column,
    640 	       component_label.num_rows, component_label.num_columns);
    641 	printf("   Version: %d, Serial Number: %d, Mod Counter: %d\n",
    642 	       component_label.version, component_label.serial_number,
    643 	       component_label.mod_counter);
    644 	printf("   Clean: %s, Status: %d\n",
    645 	       component_label.clean ? "Yes" : "No",
    646 	       component_label.status );
    647 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    648 	       component_label.sectPerSU, component_label.SUsPerPU,
    649 	       component_label.SUsPerRU);
    650 	printf("   Queue size: %d, blocksize: %d, numBlocks: %d\n",
    651 	       component_label.maxOutstanding, component_label.blockSize,
    652 	       component_label.numBlocks);
    653 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    654 	printf("   Autoconfig: %s\n",
    655 	       component_label.autoconfigure ? "Yes" : "No" );
    656 	printf("   Root partition: %s\n",
    657 	       component_label.root_partition ? "Yes" : "No" );
    658 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    659 }
    660 
    661 static void
    662 set_component_label(fd, component)
    663 	int fd;
    664 	char *component;
    665 {
    666 	RF_ComponentLabel_t component_label;
    667 	int component_num;
    668 	int num_cols;
    669 
    670 	get_component_number(fd, component, &component_num, &num_cols);
    671 
    672 	/* XXX This is currently here for testing, and future expandability */
    673 
    674 	component_label.version = 1;
    675 	component_label.serial_number = 123456;
    676 	component_label.mod_counter = 0;
    677 	component_label.row = component_num / num_cols;
    678 	component_label.column = component_num % num_cols;
    679 	component_label.num_rows = 0;
    680 	component_label.num_columns = 5;
    681 	component_label.clean = 0;
    682 	component_label.status = 1;
    683 
    684 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    685 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    686 }
    687 
    688 
    689 static void
    690 init_component_labels(fd, serial_number)
    691 	int fd;
    692 	int serial_number;
    693 {
    694 	RF_ComponentLabel_t component_label;
    695 
    696 	component_label.version = 0;
    697 	component_label.serial_number = serial_number;
    698 	component_label.mod_counter = 0;
    699 	component_label.row = 0;
    700 	component_label.column = 0;
    701 	component_label.num_rows = 0;
    702 	component_label.num_columns = 0;
    703 	component_label.clean = 0;
    704 	component_label.status = 0;
    705 
    706 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    707 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    708 }
    709 
    710 static void
    711 set_autoconfig(fd, raidID, autoconf)
    712 	int fd;
    713 	int raidID;
    714 	char *autoconf;
    715 {
    716 	int auto_config;
    717 	int root_config;
    718 
    719 	auto_config = 0;
    720 	root_config = 0;
    721 
    722 	if (strncasecmp(autoconf,"root", 4) == 0) {
    723 		root_config = 1;
    724 	}
    725 
    726 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    727 	    root_config == 1) {
    728 		auto_config = 1;
    729 	}
    730 
    731 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    732 		 "RAIDFRAME_SET_AUTOCONFIG");
    733 
    734 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    735 		 "RAIDFRAME_SET_ROOT");
    736 
    737 	printf("raid%d: Autoconfigure: %s\n", raidID,
    738 	       auto_config ? "Yes" : "No");
    739 
    740 	if (root_config == 1) {
    741 		printf("raid%d: Root: %s\n", raidID,
    742 		       auto_config ? "Yes" : "No");
    743 	}
    744 }
    745 
    746 static void
    747 add_hot_spare(fd, component)
    748 	int fd;
    749 	char *component;
    750 {
    751 	RF_SingleComponent_t hot_spare;
    752 
    753 	hot_spare.row = 0;
    754 	hot_spare.column = 0;
    755 	strncpy(hot_spare.component_name, component,
    756 		sizeof(hot_spare.component_name));
    757 
    758 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    759 		  "RAIDFRAME_ADD_HOT_SPARE");
    760 }
    761 
    762 static void
    763 remove_hot_spare(fd, component)
    764 	int fd;
    765 	char *component;
    766 {
    767 	RF_SingleComponent_t hot_spare;
    768 	int component_num;
    769 	int num_cols;
    770 
    771 	get_component_number(fd, component, &component_num, &num_cols);
    772 
    773 	hot_spare.row = component_num / num_cols;
    774 	hot_spare.column = component_num % num_cols;
    775 
    776 	strncpy(hot_spare.component_name, component,
    777 		sizeof(hot_spare.component_name));
    778 
    779 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    780 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    781 }
    782 
    783 static void
    784 rebuild_in_place( fd, component )
    785 	int fd;
    786 	char *component;
    787 {
    788 	RF_SingleComponent_t comp;
    789 	int component_num;
    790 	int num_cols;
    791 
    792 	get_component_number(fd, component, &component_num, &num_cols);
    793 
    794 	comp.row = 0;
    795 	comp.column = component_num;
    796 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    797 
    798 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    799 		  "RAIDFRAME_REBUILD_IN_PLACE");
    800 
    801 	if (verbose) {
    802 		printf("Reconstruction status:\n");
    803 		sleep(3); /* XXX give reconstruction a chance to start */
    804 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    805 	}
    806 
    807 }
    808 
    809 static void
    810 check_parity( fd, do_rewrite, dev_name )
    811 	int fd;
    812 	int do_rewrite;
    813 	char *dev_name;
    814 {
    815 	int is_clean;
    816 	int percent_done;
    817 
    818 	is_clean = 0;
    819 	percent_done = 0;
    820 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    821 		 "RAIDFRAME_CHECK_PARITY");
    822 	if (is_clean) {
    823 		printf("%s: Parity status: clean\n",dev_name);
    824 	} else {
    825 		printf("%s: Parity status: DIRTY\n",dev_name);
    826 		if (do_rewrite) {
    827 			printf("%s: Initiating re-write of parity\n",
    828 			       dev_name);
    829 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    830 				 "RAIDFRAME_REWRITEPARITY");
    831 			sleep(3); /* XXX give it time to
    832 				     get started. */
    833 			if (verbose) {
    834 				printf("Parity Re-write status:\n");
    835 				do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    836 			} else {
    837 				do_ioctl(fd,
    838 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    839 					 &percent_done,
    840 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    841 					 );
    842 				while( percent_done < 100 ) {
    843 					sleep(3); /* wait a bit... */
    844 					do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    845 						 &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    846 				}
    847 
    848 			}
    849 			       printf("%s: Parity Re-write complete\n",
    850 				      dev_name);
    851 		} else {
    852 			/* parity is wrong, and is not being fixed.
    853 			   Exit w/ an error. */
    854 			exit(1);
    855 		}
    856 	}
    857 }
    858 
    859 
    860 static void
    861 check_status( fd, meter )
    862 	int fd;
    863 	int meter;
    864 {
    865 	int recon_percent_done = 0;
    866 	int parity_percent_done = 0;
    867 	int copyback_percent_done = 0;
    868 
    869 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
    870 		 "RAIDFRAME_CHECK_RECON_STATUS");
    871 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
    872 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    873 		 &parity_percent_done,
    874 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    875 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
    876 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
    877 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
    878 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
    879 
    880 	if (meter) {
    881 		/* These 3 should be mutually exclusive at this point */
    882 		if (recon_percent_done < 100) {
    883 			printf("Reconstruction status:\n");
    884 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    885 		} else if (parity_percent_done < 100) {
    886 			printf("Parity Re-write status:\n");
    887 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    888 		} else if (copyback_percent_done < 100) {
    889 			printf("Copyback status:\n");
    890 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    891 		}
    892 	}
    893 }
    894 
    895 const char *tbits = "|/-\\";
    896 
    897 static void
    898 do_meter(fd, option)
    899 	int fd;
    900 	u_long option;
    901 {
    902 	int percent_done;
    903 	int last_value;
    904 	int start_value;
    905 	RF_ProgressInfo_t progressInfo;
    906 	void *pInfoPtr;
    907 	struct timeval start_time;
    908 	struct timeval last_time;
    909 	struct timeval current_time;
    910 	double elapsed;
    911 	int elapsed_sec;
    912 	int elapsed_usec;
    913 	int simple_eta,last_eta;
    914 	double rate;
    915 	int amount;
    916 	int tbit_value;
    917 	int wait_for_more_data;
    918 	char buffer[1024];
    919 	char bar_buffer[1024];
    920 	char eta_buffer[1024];
    921 
    922 	if (gettimeofday(&start_time,NULL)) {
    923 		fprintf(stderr,"%s: gettimeofday failed!?!?\n", getprogname());
    924 		exit(errno);
    925 	}
    926 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
    927 	pInfoPtr=&progressInfo;
    928 
    929 	percent_done = 0;
    930 	do_ioctl(fd, option, &pInfoPtr, "");
    931 	last_value = progressInfo.completed;
    932 	start_value = last_value;
    933 	last_time = start_time;
    934 	current_time = start_time;
    935 
    936 	wait_for_more_data = 0;
    937 	tbit_value = 0;
    938 	while(progressInfo.completed < progressInfo.total) {
    939 
    940 		percent_done = (progressInfo.completed * 100) /
    941 			progressInfo.total;
    942 
    943 		get_bar(bar_buffer, percent_done, 40);
    944 
    945 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
    946 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
    947 		if (elapsed_usec < 0) {
    948 			elapsed_usec-=1000000;
    949 			elapsed_sec++;
    950 		}
    951 
    952 		elapsed = (double) elapsed_sec +
    953 			(double) elapsed_usec / 1000000.0;
    954 
    955 		amount = progressInfo.completed - start_value;
    956 
    957 		if (amount <= 0) { /* we don't do negatives (yet?) */
    958 			amount = 0;
    959 			wait_for_more_data = 1;
    960 		} else {
    961 			wait_for_more_data = 0;
    962 		}
    963 
    964 		if (elapsed == 0)
    965 			rate = 0.0;
    966 		else
    967 			rate = amount / elapsed;
    968 
    969 		if (rate > 0.0) {
    970 			simple_eta = (int) (((double)progressInfo.total -
    971 					     (double) progressInfo.completed)
    972 					    / rate);
    973 		} else {
    974 			simple_eta = -1;
    975 		}
    976 
    977 		if (simple_eta <=0) {
    978 			simple_eta = last_eta;
    979 		} else {
    980 			last_eta = simple_eta;
    981 		}
    982 
    983 		get_time_string(eta_buffer, simple_eta);
    984 
    985 		snprintf(buffer,1024,"\r%3d%% |%s| ETA: %s %c",
    986 			 percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
    987 
    988 		write(fileno(stdout),buffer,strlen(buffer));
    989 		fflush(stdout);
    990 
    991 		/* resolution wasn't high enough... wait until we get another
    992 		   timestamp and perhaps more "work" done. */
    993 
    994 		if (!wait_for_more_data) {
    995 			last_time = current_time;
    996 			last_value = progressInfo.completed;
    997 		}
    998 
    999 		if (++tbit_value>3)
   1000 			tbit_value = 0;
   1001 
   1002 		sleep(2);
   1003 
   1004 		if (gettimeofday(&current_time,NULL)) {
   1005 			fprintf(stderr,"%s: gettimeofday failed!?!?\n",
   1006 				getprogname());
   1007 			exit(errno);
   1008 		}
   1009 
   1010 		do_ioctl( fd, option, &pInfoPtr, "");
   1011 
   1012 
   1013 	}
   1014 	printf("\n");
   1015 }
   1016 /* 40 '*''s per line, then 40 ' ''s line. */
   1017 /* If you've got a screen wider than 160 characters, "tough" */
   1018 
   1019 #define STAR_MIDPOINT 4*40
   1020 const char stars[] = "****************************************"
   1021                      "****************************************"
   1022                      "****************************************"
   1023                      "****************************************"
   1024                      "                                        "
   1025                      "                                        "
   1026                      "                                        "
   1027                      "                                        "
   1028                      "                                        ";
   1029 
   1030 static void
   1031 get_bar(string,percent,max_strlen)
   1032 	char *string;
   1033 	double percent;
   1034 	int max_strlen;
   1035 {
   1036 	int offset;
   1037 
   1038 	if (max_strlen > STAR_MIDPOINT) {
   1039 		max_strlen = STAR_MIDPOINT;
   1040 	}
   1041 	offset = STAR_MIDPOINT -
   1042 		(int)((percent * max_strlen)/ 100);
   1043 	if (offset < 0)
   1044 		offset = 0;
   1045 	snprintf(string,max_strlen,"%s",&stars[offset]);
   1046 }
   1047 
   1048 static void
   1049 get_time_string(string,simple_time)
   1050 	char *string;
   1051 	int simple_time;
   1052 {
   1053 	int minutes, seconds, hours;
   1054 	char hours_buffer[5];
   1055 	char minutes_buffer[5];
   1056 	char seconds_buffer[5];
   1057 
   1058 	if (simple_time >= 0) {
   1059 
   1060 		minutes = (int) simple_time / 60;
   1061 		seconds = ((int)simple_time - 60*minutes);
   1062 		hours = minutes / 60;
   1063 		minutes = minutes - 60*hours;
   1064 
   1065 		if (hours > 0) {
   1066 			snprintf(hours_buffer,5,"%02d:",hours);
   1067 		} else {
   1068 			snprintf(hours_buffer,5,"   ");
   1069 		}
   1070 
   1071 		snprintf(minutes_buffer,5,"%02d:",minutes);
   1072 		snprintf(seconds_buffer,5,"%02d",seconds);
   1073 		snprintf(string,1024,"%s%s%s",
   1074 			 hours_buffer, minutes_buffer, seconds_buffer);
   1075 	} else {
   1076 		snprintf(string,1024,"   --:--");
   1077 	}
   1078 
   1079 }
   1080 
   1081 static void
   1082 usage()
   1083 {
   1084 	const char *progname = getprogname();
   1085 
   1086 	fprintf(stderr, "usage: %s [-v] -a component dev\n", progname);
   1087 	fprintf(stderr, "       %s [-v] -A yes | no | root dev\n", progname);
   1088 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1089 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1090 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1091 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1092 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1093 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1094 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1095 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1096 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1097 	fprintf(stderr, "       %s [-v] -p dev\n", progname);
   1098 	fprintf(stderr, "       %s [-v] -P dev\n", progname);
   1099 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1100 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1101 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1102 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1103 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1104 	exit(1);
   1105 	/* NOTREACHED */
   1106 }
   1107