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raidctl.c revision 1.33
      1 /*      $NetBSD: raidctl.c,v 1.33 2003/06/23 11:53:40 agc 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 #include <sys/cdefs.h>
     47 
     48 #ifndef lint
     49 __RCSID("$NetBSD: raidctl.c,v 1.33 2003/06/23 11:53:40 agc Exp $");
     50 #endif
     51 
     52 
     53 #include <sys/param.h>
     54 #include <sys/ioctl.h>
     55 #include <sys/stat.h>
     56 #include <sys/disklabel.h>
     57 
     58 #include <ctype.h>
     59 #include <err.h>
     60 #include <errno.h>
     61 #include <fcntl.h>
     62 #include <stdio.h>
     63 #include <stdlib.h>
     64 #include <string.h>
     65 #include <unistd.h>
     66 #include <util.h>
     67 
     68 #include <dev/raidframe/raidframevar.h>
     69 #include <dev/raidframe/raidframeio.h>
     70 #include "rf_configure.h"
     71 
     72 int     main __P((int, char *[]));
     73 void	do_ioctl __P((int, u_long, void *, const char *));
     74 static  void rf_configure __P((int, char*, int));
     75 static  const char *device_status __P((RF_DiskStatus_t));
     76 static  void rf_get_device_status __P((int));
     77 static	void rf_output_configuration __P((int, const char *));
     78 static  void get_component_number __P((int, char *, int *, int *));
     79 static  void rf_fail_disk __P((int, char *, int));
     80 static  void usage __P((void));
     81 static  void get_component_label __P((int, char *));
     82 static  void set_component_label __P((int, char *));
     83 static  void init_component_labels __P((int, int));
     84 static  void set_autoconfig __P((int, int, char *));
     85 static  void add_hot_spare __P((int, char *));
     86 static  void remove_hot_spare __P((int, char *));
     87 static  void rebuild_in_place __P((int, char *));
     88 static  void check_status __P((int,int));
     89 static  void check_parity __P((int,int, char *));
     90 static  void do_meter __P((int, u_long));
     91 static  void get_bar __P((char *, double, int));
     92 static  void get_time_string __P((char *, int));
     93 
     94 int verbose;
     95 
     96 int
     97 main(argc,argv)
     98 	int argc;
     99 	char *argv[];
    100 {
    101 	int ch;
    102 	int num_options;
    103 	unsigned long action;
    104 	char config_filename[PATH_MAX];
    105 	char dev_name[PATH_MAX];
    106 	char name[PATH_MAX];
    107 	char component[PATH_MAX];
    108 	char autoconf[10];
    109 	int do_output;
    110 	int do_recon;
    111 	int do_rewrite;
    112 	int is_clean;
    113 	int raidID;
    114 	int serial_number;
    115 	struct stat st;
    116 	int fd;
    117 	int force;
    118 	int openmode;
    119 
    120 	num_options = 0;
    121 	action = 0;
    122 	do_output = 0;
    123 	do_recon = 0;
    124 	do_rewrite = 0;
    125 	is_clean = 0;
    126 	force = 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:r:R:sSpPuv"))
    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 = atoi(optarg);
    191 			num_options++;
    192 			break;
    193 		case 'l':
    194 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    195 			strlcpy(component, optarg, sizeof(component));
    196 			num_options++;
    197 			break;
    198 		case 'r':
    199 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    200 			strlcpy(component, optarg, sizeof(component));
    201 			num_options++;
    202 			break;
    203 		case 'R':
    204 			strlcpy(component, optarg, sizeof(component));
    205 			action = RAIDFRAME_REBUILD_IN_PLACE;
    206 			num_options++;
    207 			break;
    208 		case 's':
    209 			action = RAIDFRAME_GET_INFO;
    210 			openmode = O_RDONLY;
    211 			num_options++;
    212 			break;
    213 		case 'S':
    214 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    215 			openmode = O_RDONLY;
    216 			num_options++;
    217 			break;
    218 		case 'p':
    219 			action = RAIDFRAME_CHECK_PARITY;
    220 			openmode = O_RDONLY;
    221 			num_options++;
    222 			break;
    223 		case 'P':
    224 			action = RAIDFRAME_CHECK_PARITY;
    225 			do_rewrite = 1;
    226 			num_options++;
    227 			break;
    228 		case 'u':
    229 			action = RAIDFRAME_SHUTDOWN;
    230 			num_options++;
    231 			break;
    232 		case 'v':
    233 			verbose = 1;
    234 			/* Don't bump num_options, as '-v' is not
    235 			   an option like the others */
    236 			/* num_options++; */
    237 			break;
    238 		default:
    239 			usage();
    240 		}
    241 	argc -= optind;
    242 	argv += optind;
    243 
    244 	if ((num_options > 1) || (argc == NULL))
    245 		usage();
    246 
    247 	strlcpy(name, argv[0], sizeof(name));
    248 	fd = opendisk(name, openmode, dev_name, sizeof(dev_name), 1);
    249 	if (fd == -1) {
    250 		fprintf(stderr, "%s: unable to open device file: %s\n",
    251 			getprogname(), name);
    252 		exit(1);
    253 	}
    254 	if (fstat(fd, &st) != 0) {
    255 		fprintf(stderr,"%s: stat failure on: %s\n",
    256 			getprogname(), dev_name);
    257 		exit(1);
    258 	}
    259 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) {
    260 		fprintf(stderr,"%s: invalid device: %s\n",
    261 			getprogname(), dev_name);
    262 		exit(1);
    263 	}
    264 
    265 	raidID = DISKUNIT(st.st_rdev);
    266 
    267 	switch(action) {
    268 	case RAIDFRAME_ADD_HOT_SPARE:
    269 		add_hot_spare(fd, component);
    270 		break;
    271 	case RAIDFRAME_REMOVE_HOT_SPARE:
    272 		remove_hot_spare(fd, component);
    273 		break;
    274 	case RAIDFRAME_CONFIGURE:
    275 		rf_configure(fd, config_filename, force);
    276 		break;
    277 	case RAIDFRAME_SET_AUTOCONFIG:
    278 		set_autoconfig(fd, raidID, autoconf);
    279 		break;
    280 	case RAIDFRAME_COPYBACK:
    281 		printf("Copyback.\n");
    282 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    283 		if (verbose) {
    284 			sleep(3); /* XXX give the copyback a chance to start */
    285 			printf("Copyback status:\n");
    286 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    287 		}
    288 		break;
    289 	case RAIDFRAME_FAIL_DISK:
    290 		rf_fail_disk(fd, component, do_recon);
    291 		break;
    292 	case RAIDFRAME_SET_COMPONENT_LABEL:
    293 		set_component_label(fd, component);
    294 		break;
    295 	case RAIDFRAME_GET_COMPONENT_LABEL:
    296 		get_component_label(fd, component);
    297 		break;
    298 	case RAIDFRAME_INIT_LABELS:
    299 		init_component_labels(fd, serial_number);
    300 		break;
    301 	case RAIDFRAME_REWRITEPARITY:
    302 		printf("Initiating re-write of parity\n");
    303 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    304 			 "RAIDFRAME_REWRITEPARITY");
    305 		if (verbose) {
    306 			sleep(3); /* XXX give it time to get started */
    307 			printf("Parity Re-write status:\n");
    308 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    309 		}
    310 		break;
    311 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    312 		check_status(fd,1);
    313 		break;
    314 	case RAIDFRAME_GET_INFO:
    315 		if (do_output)
    316 			rf_output_configuration(fd, dev_name);
    317 		else
    318 			rf_get_device_status(fd);
    319 		break;
    320 	case RAIDFRAME_REBUILD_IN_PLACE:
    321 		rebuild_in_place(fd, component);
    322 		break;
    323 	case RAIDFRAME_CHECK_PARITY:
    324 		check_parity(fd, do_rewrite, dev_name);
    325 		break;
    326 	case RAIDFRAME_SHUTDOWN:
    327 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    328 		break;
    329 	default:
    330 		break;
    331 	}
    332 
    333 	close(fd);
    334 	exit(0);
    335 }
    336 
    337 void
    338 do_ioctl(fd, command, arg, ioctl_name)
    339 	int fd;
    340 	unsigned long command;
    341 	void *arg;
    342 	const char *ioctl_name;
    343 {
    344 	if (ioctl(fd, command, arg) < 0) {
    345 		warn("ioctl (%s) failed", ioctl_name);
    346 		exit(1);
    347 	}
    348 }
    349 
    350 
    351 static void
    352 rf_configure(fd,config_file,force)
    353 	int fd;
    354 	char *config_file;
    355 	int force;
    356 {
    357 	void *generic;
    358 	RF_Config_t cfg;
    359 
    360 	if (rf_MakeConfig( config_file, &cfg ) != 0) {
    361 		fprintf(stderr,"%s: unable to create RAIDframe %s\n",
    362 			getprogname(), "configuration structure\n");
    363 		exit(1);
    364 	}
    365 
    366 	cfg.force = force;
    367 
    368 	/*
    369 	 * Note the extra level of redirection needed here, since
    370 	 * what we really want to pass in is a pointer to the pointer to
    371 	 * the configuration structure.
    372 	 */
    373 
    374 	generic = (void *) &cfg;
    375 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    376 }
    377 
    378 static const char *
    379 device_status(status)
    380 	RF_DiskStatus_t status;
    381 {
    382 
    383 	switch (status) {
    384 	case rf_ds_optimal:
    385 		return ("optimal");
    386 		break;
    387 	case rf_ds_failed:
    388 		return ("failed");
    389 		break;
    390 	case rf_ds_reconstructing:
    391 		return ("reconstructing");
    392 		break;
    393 	case rf_ds_dist_spared:
    394 		return ("dist_spared");
    395 		break;
    396 	case rf_ds_spared:
    397 		return ("spared");
    398 		break;
    399 	case rf_ds_spare:
    400 		return ("spare");
    401 		break;
    402 	case rf_ds_used_spare:
    403 		return ("used_spare");
    404 		break;
    405 	default:
    406 		return ("UNKNOWN");
    407 	}
    408 	/* NOTREACHED */
    409 }
    410 
    411 static void
    412 rf_get_device_status(fd)
    413 	int fd;
    414 {
    415 	RF_DeviceConfig_t device_config;
    416 	void *cfg_ptr;
    417 	int is_clean;
    418 	int i;
    419 
    420 	cfg_ptr = &device_config;
    421 
    422 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    423 
    424 	printf("Components:\n");
    425 	for(i=0; i < device_config.ndevs; i++) {
    426 		printf("%20s: %s\n", device_config.devs[i].devname,
    427 		       device_status(device_config.devs[i].status));
    428 	}
    429 	if (device_config.nspares > 0) {
    430 		printf("Spares:\n");
    431 		for(i=0; i < device_config.nspares; i++) {
    432 			printf("%20s: %s\n",
    433 			       device_config.spares[i].devname,
    434 			       device_status(device_config.spares[i].status));
    435 		}
    436 	} else {
    437 		printf("No spares.\n");
    438 	}
    439 	for(i=0; i < device_config.ndevs; i++) {
    440 		if (device_config.devs[i].status == rf_ds_optimal) {
    441 			get_component_label(fd, device_config.devs[i].devname);
    442 		} else {
    443 			printf("%s status is: %s.  Skipping label.\n",
    444 			       device_config.devs[i].devname,
    445 			       device_status(device_config.devs[i].status));
    446 		}
    447 	}
    448 
    449 	if (device_config.nspares > 0) {
    450 		for(i=0; i < device_config.nspares; i++) {
    451 			if ((device_config.spares[i].status ==
    452 			     rf_ds_optimal) ||
    453 			    (device_config.spares[i].status ==
    454 			     rf_ds_used_spare)) {
    455 				get_component_label(fd,
    456 					    device_config.spares[i].devname);
    457 			} else {
    458 				printf("%s status is: %s.  Skipping label.\n",
    459 				       device_config.spares[i].devname,
    460 				       device_status(device_config.spares[i].status));
    461 			}
    462 		}
    463 	}
    464 
    465 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    466 		 "RAIDFRAME_CHECK_PARITY");
    467 	if (is_clean) {
    468 		printf("Parity status: clean\n");
    469 	} else {
    470 		printf("Parity status: DIRTY\n");
    471 	}
    472 	check_status(fd,0);
    473 }
    474 
    475 static void
    476 rf_output_configuration(fd, name)
    477 	int fd;
    478 	const char *name;
    479 {
    480 	RF_DeviceConfig_t device_config;
    481 	void *cfg_ptr;
    482 	int i;
    483 	RF_ComponentLabel_t component_label;
    484 	void *label_ptr;
    485 	int component_num;
    486 	int num_cols;
    487 
    488 	cfg_ptr = &device_config;
    489 
    490 	printf("# raidctl config file for %s\n", name);
    491 	printf("\n");
    492 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    493 
    494 	printf("START array\n");
    495 	printf("# numRow numCol numSpare\n");
    496 	printf("%d %d %d\n", device_config.rows, device_config.cols,
    497 	    device_config.nspares);
    498 	printf("\n");
    499 
    500 	printf("START disks\n");
    501 	for(i=0; i < device_config.ndevs; i++)
    502 		printf("%s\n", device_config.devs[i].devname);
    503 	printf("\n");
    504 
    505 	if (device_config.nspares > 0) {
    506 		printf("START spare\n");
    507 		for(i=0; i < device_config.nspares; i++)
    508 			printf("%s\n", device_config.spares[i].devname);
    509 		printf("\n");
    510 	}
    511 
    512 	for(i=0; i < device_config.ndevs; i++) {
    513 		if (device_config.devs[i].status == rf_ds_optimal)
    514 			break;
    515 	}
    516 	if (i == device_config.ndevs) {
    517 		printf("# WARNING: no optimal components; using %s\n",
    518 		    device_config.devs[0].devname);
    519 		i = 0;
    520 	}
    521 	get_component_number(fd, device_config.devs[i].devname,
    522 	    &component_num, &num_cols);
    523 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    524 	component_label.row = component_num / num_cols;
    525 	component_label.column = component_num % num_cols;
    526 	label_ptr = &component_label;
    527 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    528 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    529 
    530 	printf("START layout\n");
    531 	printf(
    532 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    533 	    (char) component_label.parityConfig);
    534 	printf("%d %d %d %c\n",
    535 	    component_label.sectPerSU, component_label.SUsPerPU,
    536 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    537 	printf("\n");
    538 
    539 	printf("START queue\n");
    540 	printf("fifo %d\n", device_config.maxqdepth);
    541 }
    542 
    543 static void
    544 get_component_number(fd, component_name, component_number, num_columns)
    545 	int fd;
    546 	char *component_name;
    547 	int *component_number;
    548 	int *num_columns;
    549 {
    550 	RF_DeviceConfig_t device_config;
    551 	void *cfg_ptr;
    552 	int i;
    553 	int found;
    554 
    555 	*component_number = -1;
    556 
    557 	/* Assuming a full path spec... */
    558 	cfg_ptr = &device_config;
    559 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    560 		 "RAIDFRAME_GET_INFO");
    561 
    562 	*num_columns = device_config.cols;
    563 
    564 	found = 0;
    565 	for(i=0; i < device_config.ndevs; i++) {
    566 		if (strncmp(component_name, device_config.devs[i].devname,
    567 			    PATH_MAX)==0) {
    568 			found = 1;
    569 			*component_number = i;
    570 		}
    571 	}
    572 	if (!found) { /* maybe it's a spare? */
    573 		for(i=0; i < device_config.nspares; i++) {
    574 			if (strncmp(component_name,
    575 				    device_config.spares[i].devname,
    576 				    PATH_MAX)==0) {
    577 				found = 1;
    578 				*component_number = i + device_config.ndevs;
    579 				/* the way spares are done should
    580 				   really change... */
    581 				*num_columns = device_config.cols +
    582 					device_config.nspares;
    583 			}
    584 		}
    585 	}
    586 
    587 	if (!found) {
    588 		fprintf(stderr,"%s: %s is not a component %s", getprogname(),
    589 			component_name, "of this device\n");
    590 		exit(1);
    591 	}
    592 }
    593 
    594 static void
    595 rf_fail_disk(fd, component_to_fail, do_recon)
    596 	int fd;
    597 	char *component_to_fail;
    598 	int do_recon;
    599 {
    600 	struct rf_recon_req recon_request;
    601 	int component_num;
    602 	int num_cols;
    603 
    604 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    605 
    606 	recon_request.row = component_num / num_cols;
    607 	recon_request.col = component_num % num_cols;
    608 	if (do_recon) {
    609 		recon_request.flags = RF_FDFLAGS_RECON;
    610 	} else {
    611 		recon_request.flags = RF_FDFLAGS_NONE;
    612 	}
    613 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    614 		 "RAIDFRAME_FAIL_DISK");
    615 	if (do_recon && verbose) {
    616 		printf("Reconstruction status:\n");
    617 		sleep(3); /* XXX give reconstruction a chance to start */
    618 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    619 	}
    620 }
    621 
    622 static void
    623 get_component_label(fd, component)
    624 	int fd;
    625 	char *component;
    626 {
    627 	RF_ComponentLabel_t component_label;
    628 	void *label_ptr;
    629 	int component_num;
    630 	int num_cols;
    631 
    632 	get_component_number(fd, component, &component_num, &num_cols);
    633 
    634 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    635 	component_label.row = component_num / num_cols;
    636 	component_label.column = component_num % num_cols;
    637 
    638 	label_ptr = &component_label;
    639 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, &label_ptr,
    640 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    641 
    642 	printf("Component label for %s:\n",component);
    643 
    644 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    645 	       component_label.row, component_label.column,
    646 	       component_label.num_rows, component_label.num_columns);
    647 	printf("   Version: %d, Serial Number: %d, Mod Counter: %d\n",
    648 	       component_label.version, component_label.serial_number,
    649 	       component_label.mod_counter);
    650 	printf("   Clean: %s, Status: %d\n",
    651 	       component_label.clean ? "Yes" : "No",
    652 	       component_label.status );
    653 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    654 	       component_label.sectPerSU, component_label.SUsPerPU,
    655 	       component_label.SUsPerRU);
    656 	printf("   Queue size: %d, blocksize: %d, numBlocks: %d\n",
    657 	       component_label.maxOutstanding, component_label.blockSize,
    658 	       component_label.numBlocks);
    659 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    660 	printf("   Autoconfig: %s\n",
    661 	       component_label.autoconfigure ? "Yes" : "No" );
    662 	printf("   Root partition: %s\n",
    663 	       component_label.root_partition ? "Yes" : "No" );
    664 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    665 }
    666 
    667 static void
    668 set_component_label(fd, component)
    669 	int fd;
    670 	char *component;
    671 {
    672 	RF_ComponentLabel_t component_label;
    673 	int component_num;
    674 	int num_cols;
    675 
    676 	get_component_number(fd, component, &component_num, &num_cols);
    677 
    678 	/* XXX This is currently here for testing, and future expandability */
    679 
    680 	component_label.version = 1;
    681 	component_label.serial_number = 123456;
    682 	component_label.mod_counter = 0;
    683 	component_label.row = component_num / num_cols;
    684 	component_label.column = component_num % num_cols;
    685 	component_label.num_rows = 0;
    686 	component_label.num_columns = 5;
    687 	component_label.clean = 0;
    688 	component_label.status = 1;
    689 
    690 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    691 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    692 }
    693 
    694 
    695 static void
    696 init_component_labels(fd, serial_number)
    697 	int fd;
    698 	int serial_number;
    699 {
    700 	RF_ComponentLabel_t component_label;
    701 
    702 	component_label.version = 0;
    703 	component_label.serial_number = serial_number;
    704 	component_label.mod_counter = 0;
    705 	component_label.row = 0;
    706 	component_label.column = 0;
    707 	component_label.num_rows = 0;
    708 	component_label.num_columns = 0;
    709 	component_label.clean = 0;
    710 	component_label.status = 0;
    711 
    712 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    713 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    714 }
    715 
    716 static void
    717 set_autoconfig(fd, raidID, autoconf)
    718 	int fd;
    719 	int raidID;
    720 	char *autoconf;
    721 {
    722 	int auto_config;
    723 	int root_config;
    724 
    725 	auto_config = 0;
    726 	root_config = 0;
    727 
    728 	if (strncasecmp(autoconf,"root", 4) == 0) {
    729 		root_config = 1;
    730 	}
    731 
    732 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    733 	    root_config == 1) {
    734 		auto_config = 1;
    735 	}
    736 
    737 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    738 		 "RAIDFRAME_SET_AUTOCONFIG");
    739 
    740 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    741 		 "RAIDFRAME_SET_ROOT");
    742 
    743 	printf("raid%d: Autoconfigure: %s\n", raidID,
    744 	       auto_config ? "Yes" : "No");
    745 
    746 	if (root_config == 1) {
    747 		printf("raid%d: Root: %s\n", raidID,
    748 		       auto_config ? "Yes" : "No");
    749 	}
    750 }
    751 
    752 static void
    753 add_hot_spare(fd, component)
    754 	int fd;
    755 	char *component;
    756 {
    757 	RF_SingleComponent_t hot_spare;
    758 
    759 	hot_spare.row = 0;
    760 	hot_spare.column = 0;
    761 	strncpy(hot_spare.component_name, component,
    762 		sizeof(hot_spare.component_name));
    763 
    764 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    765 		  "RAIDFRAME_ADD_HOT_SPARE");
    766 }
    767 
    768 static void
    769 remove_hot_spare(fd, component)
    770 	int fd;
    771 	char *component;
    772 {
    773 	RF_SingleComponent_t hot_spare;
    774 	int component_num;
    775 	int num_cols;
    776 
    777 	get_component_number(fd, component, &component_num, &num_cols);
    778 
    779 	hot_spare.row = component_num / num_cols;
    780 	hot_spare.column = component_num % num_cols;
    781 
    782 	strncpy(hot_spare.component_name, component,
    783 		sizeof(hot_spare.component_name));
    784 
    785 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    786 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    787 }
    788 
    789 static void
    790 rebuild_in_place( fd, component )
    791 	int fd;
    792 	char *component;
    793 {
    794 	RF_SingleComponent_t comp;
    795 	int component_num;
    796 	int num_cols;
    797 
    798 	get_component_number(fd, component, &component_num, &num_cols);
    799 
    800 	comp.row = 0;
    801 	comp.column = component_num;
    802 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    803 
    804 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    805 		  "RAIDFRAME_REBUILD_IN_PLACE");
    806 
    807 	if (verbose) {
    808 		printf("Reconstruction status:\n");
    809 		sleep(3); /* XXX give reconstruction a chance to start */
    810 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    811 	}
    812 
    813 }
    814 
    815 static void
    816 check_parity( fd, do_rewrite, dev_name )
    817 	int fd;
    818 	int do_rewrite;
    819 	char *dev_name;
    820 {
    821 	int is_clean;
    822 	int percent_done;
    823 
    824 	is_clean = 0;
    825 	percent_done = 0;
    826 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    827 		 "RAIDFRAME_CHECK_PARITY");
    828 	if (is_clean) {
    829 		printf("%s: Parity status: clean\n",dev_name);
    830 	} else {
    831 		printf("%s: Parity status: DIRTY\n",dev_name);
    832 		if (do_rewrite) {
    833 			printf("%s: Initiating re-write of parity\n",
    834 			       dev_name);
    835 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    836 				 "RAIDFRAME_REWRITEPARITY");
    837 			sleep(3); /* XXX give it time to
    838 				     get started. */
    839 			if (verbose) {
    840 				printf("Parity Re-write status:\n");
    841 				do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    842 			} else {
    843 				do_ioctl(fd,
    844 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    845 					 &percent_done,
    846 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    847 					 );
    848 				while( percent_done < 100 ) {
    849 					sleep(3); /* wait a bit... */
    850 					do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    851 						 &percent_done, "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    852 				}
    853 
    854 			}
    855 			       printf("%s: Parity Re-write complete\n",
    856 				      dev_name);
    857 		} else {
    858 			/* parity is wrong, and is not being fixed.
    859 			   Exit w/ an error. */
    860 			exit(1);
    861 		}
    862 	}
    863 }
    864 
    865 
    866 static void
    867 check_status( fd, meter )
    868 	int fd;
    869 	int meter;
    870 {
    871 	int recon_percent_done = 0;
    872 	int parity_percent_done = 0;
    873 	int copyback_percent_done = 0;
    874 
    875 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
    876 		 "RAIDFRAME_CHECK_RECON_STATUS");
    877 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
    878 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    879 		 &parity_percent_done,
    880 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    881 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
    882 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
    883 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
    884 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
    885 
    886 	if (meter) {
    887 		/* These 3 should be mutually exclusive at this point */
    888 		if (recon_percent_done < 100) {
    889 			printf("Reconstruction status:\n");
    890 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    891 		} else if (parity_percent_done < 100) {
    892 			printf("Parity Re-write status:\n");
    893 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    894 		} else if (copyback_percent_done < 100) {
    895 			printf("Copyback status:\n");
    896 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    897 		}
    898 	}
    899 }
    900 
    901 const char *tbits = "|/-\\";
    902 
    903 static void
    904 do_meter(fd, option)
    905 	int fd;
    906 	u_long option;
    907 {
    908 	int percent_done;
    909 	int last_value;
    910 	int start_value;
    911 	RF_ProgressInfo_t progressInfo;
    912 	void *pInfoPtr;
    913 	struct timeval start_time;
    914 	struct timeval last_time;
    915 	struct timeval current_time;
    916 	double elapsed;
    917 	int elapsed_sec;
    918 	int elapsed_usec;
    919 	int simple_eta,last_eta;
    920 	double rate;
    921 	int amount;
    922 	int tbit_value;
    923 	int wait_for_more_data;
    924 	char buffer[1024];
    925 	char bar_buffer[1024];
    926 	char eta_buffer[1024];
    927 
    928 	if (gettimeofday(&start_time,NULL)) {
    929 		fprintf(stderr,"%s: gettimeofday failed!?!?\n", getprogname());
    930 		exit(errno);
    931 	}
    932 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
    933 	pInfoPtr=&progressInfo;
    934 
    935 	percent_done = 0;
    936 	do_ioctl(fd, option, &pInfoPtr, "");
    937 	last_value = progressInfo.completed;
    938 	start_value = last_value;
    939 	last_time = start_time;
    940 	current_time = start_time;
    941 
    942 	wait_for_more_data = 0;
    943 	tbit_value = 0;
    944 	while(progressInfo.completed < progressInfo.total) {
    945 
    946 		percent_done = (progressInfo.completed * 100) /
    947 			progressInfo.total;
    948 
    949 		get_bar(bar_buffer, percent_done, 40);
    950 
    951 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
    952 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
    953 		if (elapsed_usec < 0) {
    954 			elapsed_usec-=1000000;
    955 			elapsed_sec++;
    956 		}
    957 
    958 		elapsed = (double) elapsed_sec +
    959 			(double) elapsed_usec / 1000000.0;
    960 
    961 		amount = progressInfo.completed - start_value;
    962 
    963 		if (amount <= 0) { /* we don't do negatives (yet?) */
    964 			amount = 0;
    965 			wait_for_more_data = 1;
    966 		} else {
    967 			wait_for_more_data = 0;
    968 		}
    969 
    970 		if (elapsed == 0)
    971 			rate = 0.0;
    972 		else
    973 			rate = amount / elapsed;
    974 
    975 		if (rate > 0.0) {
    976 			simple_eta = (int) (((double)progressInfo.total -
    977 					     (double) progressInfo.completed)
    978 					    / rate);
    979 		} else {
    980 			simple_eta = -1;
    981 		}
    982 
    983 		if (simple_eta <=0) {
    984 			simple_eta = last_eta;
    985 		} else {
    986 			last_eta = simple_eta;
    987 		}
    988 
    989 		get_time_string(eta_buffer, simple_eta);
    990 
    991 		snprintf(buffer,1024,"\r%3d%% |%s| ETA: %s %c",
    992 			 percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
    993 
    994 		write(fileno(stdout),buffer,strlen(buffer));
    995 		fflush(stdout);
    996 
    997 		/* resolution wasn't high enough... wait until we get another
    998 		   timestamp and perhaps more "work" done. */
    999 
   1000 		if (!wait_for_more_data) {
   1001 			last_time = current_time;
   1002 			last_value = progressInfo.completed;
   1003 		}
   1004 
   1005 		if (++tbit_value>3)
   1006 			tbit_value = 0;
   1007 
   1008 		sleep(2);
   1009 
   1010 		if (gettimeofday(&current_time,NULL)) {
   1011 			fprintf(stderr,"%s: gettimeofday failed!?!?\n",
   1012 				getprogname());
   1013 			exit(errno);
   1014 		}
   1015 
   1016 		do_ioctl( fd, option, &pInfoPtr, "");
   1017 
   1018 
   1019 	}
   1020 	printf("\n");
   1021 }
   1022 /* 40 '*''s per line, then 40 ' ''s line. */
   1023 /* If you've got a screen wider than 160 characters, "tough" */
   1024 
   1025 #define STAR_MIDPOINT 4*40
   1026 const char stars[] = "****************************************"
   1027                      "****************************************"
   1028                      "****************************************"
   1029                      "****************************************"
   1030                      "                                        "
   1031                      "                                        "
   1032                      "                                        "
   1033                      "                                        "
   1034                      "                                        ";
   1035 
   1036 static void
   1037 get_bar(string,percent,max_strlen)
   1038 	char *string;
   1039 	double percent;
   1040 	int max_strlen;
   1041 {
   1042 	int offset;
   1043 
   1044 	if (max_strlen > STAR_MIDPOINT) {
   1045 		max_strlen = STAR_MIDPOINT;
   1046 	}
   1047 	offset = STAR_MIDPOINT -
   1048 		(int)((percent * max_strlen)/ 100);
   1049 	if (offset < 0)
   1050 		offset = 0;
   1051 	snprintf(string,max_strlen,"%s",&stars[offset]);
   1052 }
   1053 
   1054 static void
   1055 get_time_string(string,simple_time)
   1056 	char *string;
   1057 	int simple_time;
   1058 {
   1059 	int minutes, seconds, hours;
   1060 	char hours_buffer[5];
   1061 	char minutes_buffer[5];
   1062 	char seconds_buffer[5];
   1063 
   1064 	if (simple_time >= 0) {
   1065 
   1066 		minutes = (int) simple_time / 60;
   1067 		seconds = ((int)simple_time - 60*minutes);
   1068 		hours = minutes / 60;
   1069 		minutes = minutes - 60*hours;
   1070 
   1071 		if (hours > 0) {
   1072 			snprintf(hours_buffer,5,"%02d:",hours);
   1073 		} else {
   1074 			snprintf(hours_buffer,5,"   ");
   1075 		}
   1076 
   1077 		snprintf(minutes_buffer,5,"%02d:",minutes);
   1078 		snprintf(seconds_buffer,5,"%02d",seconds);
   1079 		snprintf(string,1024,"%s%s%s",
   1080 			 hours_buffer, minutes_buffer, seconds_buffer);
   1081 	} else {
   1082 		snprintf(string,1024,"   --:--");
   1083 	}
   1084 
   1085 }
   1086 
   1087 static void
   1088 usage()
   1089 {
   1090 	const char *progname = getprogname();
   1091 
   1092 	fprintf(stderr, "usage: %s [-v] -a component dev\n", progname);
   1093 	fprintf(stderr, "       %s [-v] -A yes | no | root dev\n", progname);
   1094 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1095 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1096 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1097 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1098 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1099 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1100 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1101 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1102 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1103 	fprintf(stderr, "       %s [-v] -p dev\n", progname);
   1104 	fprintf(stderr, "       %s [-v] -P dev\n", progname);
   1105 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1106 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1107 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1108 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1109 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1110 	exit(1);
   1111 	/* NOTREACHED */
   1112 }
   1113