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      1 /*	$NetBSD: fwcontrol.c,v 1.18 2025/02/27 21:09:23 rillig Exp $	*/
      2 /*
      3  * Copyright (C) 2002
      4  * 	Hidetoshi Shimokawa. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *
     17  *	This product includes software developed by Hidetoshi Shimokawa.
     18  *
     19  * 4. Neither the name of the author nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 #include <sys/cdefs.h>
     36 //__FBSDID("$FreeBSD: src/usr.sbin/fwcontrol/fwcontrol.c,v 1.23 2006/10/26 22:33:38 imp Exp $");
     37 __RCSID("$NetBSD: fwcontrol.c,v 1.18 2025/02/27 21:09:23 rillig Exp $");
     38 
     39 #include <sys/param.h>
     40 #include <sys/malloc.h>
     41 #include <sys/types.h>
     42 #include <sys/sysctl.h>
     43 #include <sys/socket.h>
     44 #include <sys/ioctl.h>
     45 #include <sys/errno.h>
     46 #include "eui64.h"
     47 #include <dev/ieee1394/firewire.h>
     48 #include <dev/ieee1394/iec13213.h>
     49 #include <dev/ieee1394/fwphyreg.h>
     50 #include <dev/ieee1394/iec68113.h>
     51 
     52 #include <netinet/in.h>
     53 #include <fcntl.h>
     54 #include <stdio.h>
     55 #include <err.h>
     56 #include <stdlib.h>
     57 #include <string.h>
     58 #include <sysexits.h>
     59 #include <unistd.h>
     60 #include "fwmethods.h"
     61 
     62 static void sysctl_set_int(const char *, int);
     63 
     64 __dead static void
     65 usage(void)
     66 {
     67 	fprintf(stderr,
     68 	    "%s [-prt] [-b pri_req] [-c node] [-d node] [-f force_root ]\n"
     69 	    "\t[-g gap_count] [-l file] [-M mode] [-m EUI64 | hostname]\n"
     70 	    "\t[-o node] [-R filename] [-S filename] [-s node] [-u bus_num]\n"
     71 	    "\n"
     72 	    "\t-b: set PRIORITY_BUDGET register on all supported nodes\n"
     73 	    "\t-c: read configuration ROM\n"
     74 	    "\t-d: hex dump of configuration ROM\n"
     75 	    "\t-f: force root node\n"
     76 	    "\t-g: broadcast gap_count by phy_config packet\n"
     77 	    "\t-l: load and parse hex dump file of configuration ROM\n"
     78 	    "\t-M: specify dv or mpeg\n"
     79 	    "\t-m: set fwmem target\n"
     80 	    "\t-o: send link-on packet to the node\n"
     81 	    "\t-p: dump PHY registers\n"
     82 	    "\t-R: receive DV or MPEG TS stream\n"
     83 	    "\t-r: bus reset\n"
     84 	    "\t-S: send DV stream\n"
     85 	    "\t-s: write RESET_START register on the node\n"
     86 	    "\t-t: read topology map\n"
     87 	    "\t-u: specify bus number\n", getprogname());
     88 	exit(EX_USAGE);
     89 }
     90 
     91 static void
     92 fweui2eui64(const struct fw_eui64 *fweui, struct eui64 *eui)
     93 {
     94 	uint32_t hi, lo;
     95 	hi = htonl(fweui->hi);
     96 	lo = htonl(fweui->lo);
     97 	memcpy(&eui->octet[0], &hi, sizeof(hi));
     98 	memcpy(&eui->octet[4], &lo, sizeof(lo));
     99 }
    100 
    101 static void
    102 get_dev(int fd, struct fw_devlstreq *data)
    103 {
    104 
    105 	if (data == NULL)
    106 		err(EX_SOFTWARE, "%s: data malloc", __func__);
    107 	if (ioctl(fd, FW_GDEVLST, data) < 0)
    108 		err(EX_IOERR, "%s: ioctl", __func__);
    109 }
    110 
    111 static int
    112 str2node(int fd, const char *nodestr)
    113 {
    114 	struct eui64 eui, tmpeui;
    115 	struct fw_devlstreq *data;
    116 	char *endptr;
    117 	int i;
    118 	long node;
    119 
    120 	if (nodestr == NULL)
    121 		return -1;
    122 
    123 	/*
    124 	 * Deal with classic node specifications.
    125 	 */
    126 	node = strtol(nodestr, &endptr, 0);
    127 	if (*endptr == '\0')
    128 		goto gotnode;
    129 
    130 	/*
    131 	 * Try to get an eui and match it against available nodes.
    132 	 */
    133 	if (eui64_hostton(nodestr, &eui) != 0 && eui64_aton(nodestr, &eui) != 0)
    134 		return -1;
    135 
    136 	data = malloc(sizeof(*data));
    137 	if (data == NULL)
    138 		err(EX_SOFTWARE, "%s: data malloc", __func__);
    139 	get_dev(fd, data);
    140 
    141 	for (i = 0; i < data->info_len; i++) {
    142 		fweui2eui64(&data->dev[i].eui, &tmpeui);
    143 		if (memcmp(&eui, &tmpeui, sizeof(eui)) == 0) {
    144 			node = data->dev[i].dst;
    145 			if (data != NULL)
    146 				free(data);
    147 			goto gotnode;
    148 		}
    149 	}
    150 	if (i >= data->info_len) {
    151 		free(data);
    152 		return -1;
    153 	}
    154 
    155 gotnode:
    156 	if (node < 0 || node > 63)
    157 		return -1;
    158 	else
    159 		return (int)node;
    160 }
    161 
    162 static void
    163 list_dev(int fd)
    164 {
    165 	struct fw_devlstreq *data;
    166 	struct fw_devinfo *devinfo;
    167 	struct eui64 eui;
    168 	char addr[EUI64_SIZ], hostname[40];
    169 	int i;
    170 
    171 	data = malloc(sizeof(*data));
    172 	if (data == NULL)
    173 		err(EX_SOFTWARE, "%s:data malloc", __func__);
    174 	get_dev(fd, data);
    175 	printf("%d devices (info_len=%d)\n", data->n, data->info_len);
    176 	printf("node           EUI64          status    hostname\n");
    177 	for (i = 0; i < data->info_len; i++) {
    178 		devinfo = &data->dev[i];
    179 		fweui2eui64(&devinfo->eui, &eui);
    180 		eui64_ntoa(&eui, addr, sizeof(addr));
    181 		if (eui64_ntohost(hostname, sizeof(hostname), &eui))
    182 			hostname[0] = 0;
    183 		printf("%4d  %s %6d    %s\n",
    184 		    (devinfo->status || i == 0) ? devinfo->dst : -1,
    185 		    addr, devinfo->status, hostname);
    186 	}
    187 	free(data);
    188 }
    189 
    190 static uint32_t
    191 read_write_quad(int fd, struct fw_eui64 eui, uint32_t addr_lo, int readmode,
    192 		uint32_t data)
    193 {
    194         struct fw_asyreq *asyreq;
    195 	uint32_t *qld, res;
    196 
    197 	asyreq = malloc(sizeof(*asyreq) + 16);
    198 	if (asyreq == NULL)
    199 		err(EX_SOFTWARE, "%s: asyreq malloc", __func__);
    200 	asyreq->req.len = 16;
    201 #if 0
    202 	asyreq->req.type = FWASREQNODE;
    203 	asyreq->pkt.mode.rreqq.dst = FWLOCALBUS | node;
    204 #else
    205 	asyreq->req.type = FWASREQEUI;
    206 	asyreq->req.dst.eui = eui;
    207 #endif
    208 	asyreq->pkt.mode.rreqq.tlrt = 0;
    209 	if (readmode)
    210 		asyreq->pkt.mode.rreqq.tcode = FWTCODE_RREQQ;
    211 	else
    212 		asyreq->pkt.mode.rreqq.tcode = FWTCODE_WREQQ;
    213 
    214 	asyreq->pkt.mode.rreqq.dest_hi = 0xffff;
    215 	asyreq->pkt.mode.rreqq.dest_lo = addr_lo;
    216 
    217 	qld = (uint32_t *)&asyreq->pkt;
    218 	if (!readmode)
    219 		asyreq->pkt.mode.wreqq.data = htonl(data);
    220 
    221 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
    222 		err(EX_IOERR, "%s: ioctl", __func__);
    223 	res = qld[3];
    224 	free(asyreq);
    225 	if (readmode)
    226 		return ntohl(res);
    227 	else
    228 		return 0;
    229 }
    230 
    231 /*
    232  * Send a PHY Config Packet
    233  * ieee 1394a-2005 4.3.4.3
    234  *
    235  * Message ID   Root ID    R  T   Gap Count
    236  * 00(2 bits)   (6 bits)   1  1   (6 bits)
    237  *
    238  * if "R" is set, then Root ID will be the next
    239  * root node upon the next bus reset.
    240  * if "T" is set, then Gap Count will be the
    241  * value that all nodes use for their Gap Count
    242  * if "R" and "T" are not set, then this message
    243  * is either ignored or interpreted as an extended
    244  * PHY config Packet as per 1394a-2005 4.3.4.4
    245  */
    246 static void
    247 send_phy_config(int fd, int root_node, int gap_count)
    248 {
    249         struct fw_asyreq *asyreq;
    250 
    251 	asyreq = malloc(sizeof(*asyreq) + 12);
    252 	if (asyreq == NULL)
    253 		err(EX_SOFTWARE, "%s: asyreq malloc", __func__);
    254 	asyreq->req.len = 12;
    255 	asyreq->req.type = FWASREQNODE;
    256 	asyreq->pkt.mode.ld[0] = 0;
    257 	asyreq->pkt.mode.ld[1] = 0;
    258 	asyreq->pkt.mode.common.tcode = FWTCODE_PHY;
    259 	if (root_node >= 0)
    260 		asyreq->pkt.mode.ld[1] |= ((root_node << 24) | (1 << 23));
    261 	if (gap_count >= 0)
    262 		asyreq->pkt.mode.ld[1] |= ((1 << 22) | (gap_count << 16));
    263 	asyreq->pkt.mode.ld[2] = ~asyreq->pkt.mode.ld[1];
    264 
    265 	printf("send phy_config root_node=%d gap_count=%d\n",
    266 	    root_node, gap_count);
    267 
    268 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
    269 		err(EX_IOERR, "%s: ioctl", __func__);
    270 	free(asyreq);
    271 }
    272 
    273 static void
    274 link_on(int fd, int node)
    275 {
    276         struct fw_asyreq *asyreq;
    277 
    278 	asyreq = malloc(sizeof(*asyreq) + 12);
    279 	if (asyreq == NULL)
    280 		err(EX_SOFTWARE, "%s: asyreq malloc", __func__);
    281 	asyreq->req.len = 12;
    282 	asyreq->req.type = FWASREQNODE;
    283 	asyreq->pkt.mode.common.tcode = FWTCODE_PHY;
    284 	asyreq->pkt.mode.ld[1] |= (1 << 30) | ((node & 0x3f) << 24);
    285 	asyreq->pkt.mode.ld[2] = ~asyreq->pkt.mode.ld[1];
    286 
    287 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
    288 		err(EX_IOERR, "%s: ioctl", __func__);
    289 	free(asyreq);
    290 }
    291 
    292 static void
    293 reset_start(int fd, int node)
    294 {
    295         struct fw_asyreq *asyreq;
    296 
    297 	asyreq = malloc(sizeof(*asyreq) + 16);
    298 	if (asyreq == NULL)
    299 		err(EX_SOFTWARE, "%s: asyreq malloc", __func__);
    300 	asyreq->req.len = 16;
    301 	asyreq->req.type = FWASREQNODE;
    302 	asyreq->pkt.mode.wreqq.dst = FWLOCALBUS | (node & 0x3f);
    303 	asyreq->pkt.mode.wreqq.tlrt = 0;
    304 	asyreq->pkt.mode.wreqq.tcode = FWTCODE_WREQQ;
    305 
    306 	asyreq->pkt.mode.wreqq.dest_hi = 0xffff;
    307 	asyreq->pkt.mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
    308 
    309 	asyreq->pkt.mode.wreqq.data = htonl(0x1);
    310 
    311 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
    312 		err(EX_IOERR, "%s: ioctl", __func__);
    313 	free(asyreq);
    314 }
    315 
    316 static void
    317 set_pri_req(int fd, uint32_t pri_req)
    318 {
    319 	struct fw_devlstreq *data;
    320 	struct fw_devinfo *devinfo;
    321 	struct eui64 eui;
    322 	char addr[EUI64_SIZ];
    323 	uint32_t max, reg, old;
    324 	int i;
    325 
    326 	data = malloc(sizeof(*data));
    327 	if (data == NULL)
    328 		err(EX_SOFTWARE, "%s: data malloc", __func__);
    329 	get_dev(fd, data);
    330 #define BUGET_REG 0xf0000218
    331 	for (i = 0; i < data->info_len; i++) {
    332 		devinfo = &data->dev[i];
    333 		if (!devinfo->status)
    334 			continue;
    335 		reg = read_write_quad(fd, devinfo->eui, BUGET_REG, 1, 0);
    336 		fweui2eui64(&devinfo->eui, &eui);
    337 		eui64_ntoa(&eui, addr, sizeof(addr));
    338 		printf("%d %s, %08x",
    339 			devinfo->dst, addr, reg);
    340 		if (reg > 0) {
    341 			old = (reg & 0x3f);
    342 			max = (reg & 0x3f00) >> 8;
    343 			if (pri_req > max)
    344 				pri_req =  max;
    345 			printf(" 0x%x -> 0x%x\n", old, pri_req);
    346 			read_write_quad(fd, devinfo->eui, BUGET_REG, 0, pri_req);
    347 		} else {
    348 			printf("\n");
    349 		}
    350 	}
    351 	free(data);
    352 }
    353 
    354 static void
    355 parse_bus_info_block(uint32_t *p)
    356 {
    357 	char addr[EUI64_SIZ];
    358 	struct bus_info *bi;
    359 	struct eui64 eui;
    360 
    361 	bi = (struct bus_info *)p;
    362 	fweui2eui64(&bi->eui64, &eui);
    363 	eui64_ntoa(&eui, addr, sizeof(addr));
    364 	printf("bus_name: 0x%04x\n"
    365 		"irmc:%d cmc:%d isc:%d bmc:%d pmc:%d\n"
    366 		"cyc_clk_acc:%d max_rec:%d max_rom:%d\n"
    367 		"generation:%d link_spd:%d\n"
    368 		"EUI64: %s\n",
    369 		bi->bus_name,
    370 		bi->irmc, bi->cmc, bi->isc, bi->bmc, bi->pmc,
    371 		bi->cyc_clk_acc, bi->max_rec, bi->max_rom,
    372 		bi->generation, bi->link_spd,
    373 		addr);
    374 }
    375 
    376 static int
    377 get_crom(int fd, int node, void *crom_buf, int len)
    378 {
    379 	struct fw_crom_buf buf;
    380 	int i, error;
    381 	struct fw_devlstreq *data;
    382 
    383 	data = malloc(sizeof(*data));
    384 	if (data == NULL)
    385 		err(EX_SOFTWARE, "%s: data malloc", __func__);
    386 	get_dev(fd, data);
    387 
    388 	for (i = 0; i < data->info_len; i++)
    389 		if (data->dev[i].dst == node && data->dev[i].eui.lo != 0)
    390 			break;
    391 	if (i == data->info_len)
    392 		errx(EX_SOFTWARE, "%s: no such node %d", __func__, node);
    393 	else
    394 		buf.eui = data->dev[i].eui;
    395 	free(data);
    396 
    397 	buf.len = len;
    398 	buf.ptr = crom_buf;
    399 	memset(crom_buf, 0, len);
    400 	if ((error = ioctl(fd, FW_GCROM, &buf)) < 0)
    401 		err(EX_IOERR, "%s: ioctl", __func__);
    402 
    403 	return error;
    404 }
    405 
    406 static void
    407 show_crc(uint16_t crc, uint16_t good_crc)
    408 {
    409 	if (crc == good_crc)
    410 		printf("(OK)\n");
    411 	else
    412 		printf("(NG, 0x%x)\n", good_crc);
    413 }
    414 
    415 static void
    416 show_crom(uint32_t *crom_buf)
    417 {
    418 	int i;
    419 	struct crom_context cc;
    420 	const char *desc;
    421 	char info[256];
    422 	static const char *key_types = "ICLD";
    423 	struct csrreg *reg;
    424 	struct csrdirectory *dir;
    425 	struct csrhdr *hdr;
    426 	uint16_t crc;
    427 
    428 	printf("first quad: 0x%08x ", *crom_buf);
    429 	if (crom_buf[0] == 0) {
    430 		printf("(Invalid Configuration ROM)\n");
    431 		return;
    432 	}
    433 	hdr = (struct csrhdr *)crom_buf;
    434 	if (hdr->info_len == 1) {
    435 		/* minimum ROM */
    436 		reg = (struct csrreg *)hdr;
    437 		printf("vendor ID: 0x%06x\n", reg->val);
    438 		return;
    439 	}
    440 	crc = crom_crc(crom_buf+1, hdr->crc_len);
    441 	printf("info_len=%d crc_len=%d crc=0x%04x ",
    442 		hdr->info_len, hdr->crc_len, crc);
    443 	show_crc(crc, hdr->crc);
    444 	parse_bus_info_block(crom_buf+1);
    445 
    446 	crom_init_context(&cc, crom_buf);
    447 	dir = cc.stack[0].dir;
    448 	if (!dir) {
    449 		printf("no root directory - giving up\n");
    450 		return;
    451 	}
    452 	crc = crom_crc((uint32_t *)&dir->entry[0], dir->crc_len);
    453 	printf("root_directory: len=0x%04x(%d) crc=0x%04x ",
    454 			dir->crc_len, dir->crc_len, crc);
    455 	show_crc(crc, dir->crc);
    456 	if (dir->crc_len < 1)
    457 		return;
    458 	while (cc.depth >= 0) {
    459 		desc = crom_desc(&cc, info, sizeof(info));
    460 		reg = crom_get(&cc);
    461 		for (i = 0; i < cc.depth; i++)
    462 			printf("\t");
    463 		printf("%02x(%c:%02x) %06x %s: %s\n",
    464 			reg->key,
    465 			key_types[(reg->key & CSRTYPE_MASK)>>6],
    466 			reg->key & CSRKEY_MASK, reg->val,
    467 			desc, info);
    468 		crom_next(&cc);
    469 	}
    470 }
    471 
    472 #define DUMP_FORMAT	"%08x %08x %08x %08x %08x %08x %08x %08x\n"
    473 
    474 static void
    475 dump_crom(uint32_t *p)
    476 {
    477 	int len=1024, i;
    478 
    479 	for (i = 0; i < len/(4*8); i ++) {
    480 		printf(DUMP_FORMAT,
    481 			p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
    482 		p += 8;
    483 	}
    484 }
    485 
    486 static void
    487 load_crom(const char *filename, uint32_t *p)
    488 {
    489 	FILE *file;
    490 	int len=1024, i;
    491 
    492 	if ((file = fopen(filename, "r")) == NULL)
    493 		err(EX_IOERR, "%s: load_crom %s", __func__, filename);
    494 	for (i = 0; i < len/(4*8); i ++) {
    495 		fscanf(file, DUMP_FORMAT,
    496 		    p, p+1, p+2, p+3, p+4, p+5, p+6, p+7);
    497 		p += 8;
    498 	}
    499 	(void)fclose(file);
    500 }
    501 
    502 static void
    503 show_topology_map(int fd)
    504 {
    505 	struct fw_topology_map *tmap;
    506 	union fw_self_id sid;
    507 	int i;
    508 	static const char *port_status[] = {" ", "-", "P", "C"};
    509 	static const char *pwr_class[] = {" 0W", "15W", "30W", "45W",
    510 					"-1W", "-2W", "-5W", "-9W"};
    511 	static const char *speed[] = {"S100", "S200", "S400", "S800"};
    512 
    513 	tmap = malloc(sizeof(*tmap));
    514 	if (tmap == NULL)
    515 		err(EX_SOFTWARE, "%s: tmap malloc", __func__);
    516 	if (ioctl(fd, FW_GTPMAP, tmap) < 0)
    517 		err(EX_IOERR, "%s: ioctl", __func__);
    518 	printf("crc_len: %d generation:%d node_count:%d sid_count:%d\n",
    519 		tmap->crc_len, tmap->generation,
    520 		tmap->node_count, tmap->self_id_count);
    521 	printf("id link gap_cnt speed delay cIRM power port0 port1 port2"
    522 		" ini more\n");
    523 	for (i = 0; i < tmap->crc_len - 2; i++) {
    524 		sid = tmap->self_id[i];
    525 		if (sid.p0.sequel) {
    526 			printf("%02d sequel packet\n", sid.p0.phy_id);
    527 			continue;
    528 		}
    529 		printf("%02d   %2d      %2d  %4s     %d   %3s"
    530 				"     %s     %s     %s   %d    %d\n",
    531 			sid.p0.phy_id,
    532 			sid.p0.link_active,
    533 			sid.p0.gap_count,
    534 			speed[sid.p0.phy_speed],
    535 			sid.p0.contender,
    536 			pwr_class[sid.p0.power_class],
    537 			port_status[sid.p0.port0],
    538 			port_status[sid.p0.port1],
    539 			port_status[sid.p0.port2],
    540 			sid.p0.initiated_reset,
    541 			sid.p0.more_packets
    542 		);
    543 	}
    544 	free(tmap);
    545 }
    546 
    547 static void
    548 read_phy_registers(int fd, uint8_t *buf, int offset, int len)
    549 {
    550 	struct fw_reg_req_t reg;
    551 	int i;
    552 
    553 	for (i = 0; i < len; i++) {
    554 		reg.addr = offset + i;
    555 		if (ioctl(fd, FWOHCI_RDPHYREG, &reg) < 0)
    556 			err(EX_IOERR, "%s: ioctl", __func__);
    557 		buf[i] = (uint8_t) reg.data;
    558 		printf("0x%02x ",  reg.data);
    559 	}
    560 	printf("\n");
    561 }
    562 
    563 static void
    564 read_phy_page(int fd, uint8_t *buf, int page, int port)
    565 {
    566 	struct fw_reg_req_t reg;
    567 
    568 	reg.addr = 0x7;
    569 	reg.data = ((page & 7) << 5) | (port & 0xf);
    570 	if (ioctl(fd, FWOHCI_WRPHYREG, &reg) < 0)
    571 		err(EX_IOERR, "%s: ioctl", __func__);
    572 	read_phy_registers(fd, buf, 8, 8);
    573 }
    574 
    575 static void
    576 dump_phy_registers(int fd)
    577 {
    578 	struct phyreg_base b;
    579 	struct phyreg_page0 p;
    580 	struct phyreg_page1 v;
    581 	int i;
    582 
    583 	printf("=== base register ===\n");
    584 	read_phy_registers(fd, (uint8_t *)&b, 0, 8);
    585 	printf(
    586 	    "Physical_ID:%d  R:%d  CPS:%d\n"
    587 	    "RHB:%d  IBR:%d  Gap_Count:%d\n"
    588 	    "Extended:%d Num_Ports:%d\n"
    589 	    "PHY_Speed:%d Delay:%d\n"
    590 	    "LCtrl:%d C:%d Jitter:%d Pwr_Class:%d\n"
    591 	    "WDIE:%d ISBR:%d CTOI:%d CPSI:%d STOI:%d PEI:%d EAA:%d EMC:%d\n"
    592 	    "Max_Legacy_SPD:%d BLINK:%d Bridge:%d\n"
    593 	    "Page_Select:%d Port_Select%d\n",
    594 	    b.phy_id, b.r, b.cps,
    595 	    b.rhb, b.ibr, b.gap_count,
    596 	    b.extended, b.num_ports,
    597 	    b.phy_speed, b.delay,
    598 	    b.lctrl, b.c, b.jitter, b.pwr_class,
    599 	    b.wdie, b.isbr, b.ctoi, b.cpsi, b.stoi, b.pei, b.eaa, b.emc,
    600 	    b.legacy_spd, b.blink, b.bridge,
    601 	    b.page_select, b.port_select
    602 	);
    603 
    604 	for (i = 0; i < b.num_ports; i ++) {
    605 		printf("\n=== page 0 port %d ===\n", i);
    606 		read_phy_page(fd, (uint8_t *)&p, 0, i);
    607 		printf(
    608 		    "Astat:%d BStat:%d Ch:%d Con:%d RXOK:%d Dis:%d\n"
    609 		    "Negotiated_speed:%d PIE:%d Fault:%d Stanby_fault:%d Disscrm:%d B_Only:%d\n"
    610 		    "DC_connected:%d Max_port_speed:%d LPP:%d Cable_speed:%d\n"
    611 		    "Connection_unreliable:%d Beta_mode:%d\n"
    612 		    "Port_error:0x%x\n"
    613 		    "Loop_disable:%d In_standby:%d Hard_disable:%d\n",
    614 		    p.astat, p.bstat, p.ch, p.con, p.rxok, p.dis,
    615 		    p.negotiated_speed, p.pie, p.fault, p.stanby_fault, p.disscrm, p.b_only,
    616 		    p.dc_connected, p.max_port_speed, p.lpp, p.cable_speed,
    617 		    p.connection_unreliable, p.beta_mode,
    618 		    p.port_error,
    619 		    p.loop_disable, p.in_standby, p.hard_disable
    620 		);
    621 	}
    622 	printf("\n=== page 1 ===\n");
    623 	read_phy_page(fd, (uint8_t *)&v, 1, 0);
    624 	printf(
    625 	    "Compliance:%d\n"
    626 	    "Vendor_ID:0x%06x\n"
    627 	    "Product_ID:0x%06x\n",
    628 	    v.compliance,
    629 	    (v.vendor_id[0] << 16) | (v.vendor_id[1] << 8) | v.vendor_id[2],
    630 	    (v.product_id[0] << 16) | (v.product_id[1] << 8) | v.product_id[2]
    631 	);
    632 }
    633 
    634 static int
    635 open_dev(int *fd, const char *_devname)
    636 {
    637 
    638 	if (*fd < 0) {
    639 		*fd = open(_devname, O_RDWR);
    640 		if (*fd < 0)
    641 			return -1;
    642 	}
    643 	return 0;
    644 }
    645 
    646 static void
    647 sysctl_set_int(const char *name, int val)
    648 {
    649 	if (sysctlbyname(name, NULL, NULL, &val, sizeof(val)) < 0)
    650 		err(EX_SOFTWARE, "%s: sysctl %s failed.", __func__, name);
    651 }
    652 
    653 static fwmethod *
    654 detect_recv_fn(int fd, char ich)
    655 {
    656 	char *buf;
    657 	struct fw_isochreq isoreq;
    658 	struct fw_isobufreq bufreq;
    659 	int len;
    660 	uint32_t *ptr;
    661 	struct ciphdr *ciph;
    662 	fwmethod *retfn;
    663 #define RECV_NUM_PACKET	16
    664 #define RECV_PACKET_SZ	1024
    665 
    666 	bufreq.rx.nchunk = 8;
    667 	bufreq.rx.npacket = RECV_NUM_PACKET;
    668 	bufreq.rx.psize = RECV_PACKET_SZ;
    669 	bufreq.tx.nchunk = 0;
    670 	bufreq.tx.npacket = 0;
    671 	bufreq.tx.psize = 0;
    672 
    673 	if (ioctl(fd, FW_SSTBUF, &bufreq) < 0)
    674 		err(EX_IOERR, "%s: ioctl FW_SSTBUF", __func__);
    675 
    676 	isoreq.ch = ich & 0x3f;
    677 	isoreq.tag = (ich >> 6) & 3;
    678 
    679 	if (ioctl(fd, FW_SRSTREAM, &isoreq) < 0)
    680 		err(EX_IOERR, "%s: ioctl FW_SRSTREAM", __func__);
    681 
    682 	buf = malloc(RECV_NUM_PACKET * RECV_PACKET_SZ);
    683 	if (buf == NULL)
    684 		err(EX_SOFTWARE, "%s: buf malloc", __func__);
    685 	/*
    686 	 * fwdev.c seems to return EIO on error and
    687 	 * the return value of the last uiomove
    688 	 * on success.  For now, checking that the
    689 	 * return is not less than zero should be
    690 	 * sufficient.  fwdev.c::fw_read() should
    691 	 * return the total length read, not the value
    692 	 * of the last uiomove().
    693 	 */
    694 	len = read(fd, buf, RECV_NUM_PACKET * RECV_PACKET_SZ);
    695 	if (len < 0)
    696 		err(EX_IOERR, "%s: error reading from device", __func__);
    697 	ptr = (uint32_t *) buf;
    698 	ciph = (struct ciphdr *)(ptr + 1);
    699 
    700 	switch (ciph->fmt) {
    701 	case CIP_FMT_DVCR:
    702 		fprintf(stderr, "Detected DV format on input.\n");
    703 		retfn = dvrecv;
    704 		break;
    705 	case CIP_FMT_MPEG:
    706 		fprintf(stderr, "Detected MPEG TS format on input.\n");
    707 		retfn = mpegtsrecv;
    708 		break;
    709 	default:
    710 		errx(EXIT_FAILURE,
    711 		    "%s: Unsupported format for receiving: fmt=0x%x", __func__,
    712 		    ciph->fmt);
    713 	}
    714 	free(buf);
    715 	return retfn;
    716 }
    717 
    718 int
    719 main(int argc, char **argv)
    720 {
    721 #define MAX_BOARDS 10
    722 	uint32_t crom_buf[1024/4];
    723 	uint32_t crom_buf_hex[1024/4];
    724 	char devbase[64];
    725 	const char *device_string = "/dev/fw";
    726 	int fd = -1, ch, len=1024;
    727 	int32_t current_board = 0;
    728 /*
    729  * If !command_set, then -u will display the nodes for the board.
    730  * This emulates the previous behavior when -u is passed by itself
    731  */
    732 	bool command_set = false;
    733 	bool open_needed = false;
    734 	long tmp;
    735 	struct fw_eui64 eui;
    736 	struct eui64 target;
    737 	fwmethod *recvfn = NULL;
    738 
    739 /*
    740  * Holders for which functions
    741  * to iterate through
    742  */
    743 	bool display_board_only = false;
    744 	bool display_crom = false;
    745 	bool send_bus_reset = false;
    746 	bool display_crom_hex = false;
    747 	bool load_crom_from_file = false;
    748 	bool set_fwmem_target = false;
    749 	bool dump_topology = false;
    750 	bool dump_phy_reg = false;
    751 
    752 	int32_t priority_budget = -1;
    753 	int32_t set_root_node = -1;
    754 	int32_t set_gap_count = -1;
    755 	int32_t send_link_on = -1;
    756 	int32_t send_reset_start = -1;
    757 
    758 	char *crom_string = NULL;
    759 	char *crom_string_hex = NULL;
    760 	char *recv_data = NULL;
    761 	char *send_data = NULL;
    762 
    763 	if (argc < 2) {
    764 		for (current_board = 0; current_board < MAX_BOARDS; current_board++) {
    765 			snprintf(devbase, sizeof(devbase), "%s%d.0", device_string, current_board);
    766 			if (open_dev(&fd, devbase) < 0) {
    767 				if (current_board == 0)
    768 					usage();
    769 				return EIO;
    770 			}
    771 			list_dev(fd);
    772 			close(fd);
    773 			fd = -1;
    774 		}
    775 	}
    776 	/*
    777 	 * Parse all command line options, then execute requested operations.
    778 	 */
    779 	while ((ch = getopt(argc, argv, "b:c:d:f:g:l:M:m:o:pR:rS:s:tu:")) != -1) {
    780 		switch (ch) {
    781 		case 'b':
    782 			priority_budget = strtol(optarg, NULL, 0);
    783 			if (priority_budget < 0 || priority_budget > INT32_MAX)
    784 				errx(EX_USAGE,
    785 				    "%s: priority_budget out of range: %s",
    786 				    __func__, optarg);
    787 			command_set = true;
    788 			open_needed = true;
    789 			display_board_only = false;
    790 			break;
    791 		case 'c':
    792 			crom_string = strdup(optarg);
    793 			if (crom_string == NULL)
    794 				err(EX_SOFTWARE, "%s: crom_string malloc",
    795 				    __func__);
    796 			if (strtol(crom_string, NULL, 0) < 0 ||
    797 			    strtol(crom_string, NULL, 0) > MAX_BOARDS)
    798 				errx(EX_USAGE, "%s: Invalid value for node",
    799 				    __func__);
    800 			display_crom = 1;
    801 			open_needed = true;
    802 			command_set = true;
    803 			display_board_only = false;
    804 			break;
    805 		case 'd':
    806 			crom_string_hex = strdup(optarg);
    807 			if (crom_string_hex == NULL)
    808 				err(EX_SOFTWARE, "%s: crom_string_hex malloc",
    809 				    __func__);
    810 			display_crom_hex = 1;
    811 			open_needed = true;
    812 			command_set = true;
    813 			display_board_only = false;
    814 			break;
    815 		case 'f':
    816 #define MAX_PHY_CONFIG 0x3f
    817 			set_root_node = strtol(optarg, NULL, 0);
    818 			if (set_root_node < 0 || set_root_node > MAX_PHY_CONFIG)
    819 				errx(EX_USAGE, "%s: set_root_node out of range",
    820 				    __func__);
    821 			open_needed = true;
    822 			command_set = true;
    823 			display_board_only = false;
    824 			break;
    825 		case 'g':
    826 			set_gap_count = strtol(optarg, NULL, 0);
    827 			if (set_gap_count < 0 || set_gap_count > MAX_PHY_CONFIG)
    828 				errx(EX_USAGE, "%s: set_gap_count out of range",
    829 				    __func__);
    830 			open_needed = true;
    831 			command_set = true;
    832 			display_board_only = false;
    833 			break;
    834 		case 'l':
    835 			load_crom_from_file = 1;
    836 			load_crom(optarg, crom_buf);
    837 			command_set = true;
    838 			display_board_only = false;
    839 			break;
    840 		case 'm':
    841 			set_fwmem_target = 1;
    842 			open_needed = 0;
    843 			command_set = true;
    844 			display_board_only = false;
    845 			if (eui64_hostton(optarg, &target) != 0 &&
    846 			    eui64_aton(optarg, &target) != 0)
    847 				errx(EX_USAGE, "%s: invalid target: %s",
    848 				    __func__, optarg);
    849 			break;
    850 		case 'o':
    851 			send_link_on = str2node(fd, optarg);
    852 			if (send_link_on < 0 || send_link_on > MAX_PHY_CONFIG)
    853 				errx(EX_USAGE, "%s: node out of range: %s",
    854 				    __func__, optarg);
    855 			open_needed = true;
    856 			command_set = true;
    857 			display_board_only = false;
    858 			break;
    859 		case 'p':
    860 			dump_phy_reg = 1;
    861 			open_needed = true;
    862 			command_set = true;
    863 			display_board_only = false;
    864 			break;
    865 		case 'r':
    866 			send_bus_reset = 1;
    867 			open_needed = true;
    868 			command_set = true;
    869 			display_board_only = false;
    870 			break;
    871 		case 's':
    872 			send_reset_start  = str2node(fd, optarg);
    873 			if (send_reset_start < 0 ||
    874 			    send_reset_start > MAX_PHY_CONFIG)
    875 				errx(EX_USAGE, "%s: node out of range: %s",
    876 				    __func__, optarg);
    877 			open_needed = true;
    878 			command_set = true;
    879 			display_board_only = false;
    880 			break;
    881 		case 't':
    882 			dump_topology = 1;
    883 			open_needed = true;
    884 			command_set = true;
    885 			display_board_only = false;
    886 			break;
    887 		case 'u':
    888 			if (!command_set)
    889 				display_board_only = true;
    890 			current_board = strtol(optarg, NULL, 0);
    891 			open_needed = true;
    892 			break;
    893 		case 'M':
    894 			switch (optarg[0]) {
    895 			case 'm':
    896 				recvfn = mpegtsrecv;
    897 				break;
    898 			case 'd':
    899 				recvfn = dvrecv;
    900 				break;
    901 			default:
    902 				errx(EX_USAGE, "%s: unrecognized method: %s",
    903 				    __func__, optarg);
    904 			}
    905 			command_set = true;
    906 			display_board_only = false;
    907 			break;
    908 		case 'R':
    909 			recv_data = strdup(optarg);
    910 			if (recv_data == NULL)
    911 				err(EX_SOFTWARE, "%s: recv_data malloc",
    912 				    __func__);
    913 			open_needed = false;
    914 			command_set = true;
    915 			display_board_only = false;
    916 			break;
    917 		case 'S':
    918 			send_data = strdup(optarg);
    919 			if (send_data == NULL)
    920 				err(EX_SOFTWARE, "%s: send_data malloc",
    921 				    __func__);
    922 			open_needed = true;
    923 			command_set = true;
    924 			display_board_only = false;
    925 			break;
    926 		default:
    927 			usage();
    928 		}
    929 	}
    930 
    931 	/*
    932 	 * Catch the error case when the user
    933 	 * executes the command with non ''-''
    934 	 * delimited arguments.
    935 	 */
    936 	if (!command_set && !display_board_only)
    937 		usage();
    938 
    939 	/*
    940 	 * If -u <bus_number> is passed, execute
    941 	 * command for that card only.
    942 	 *
    943 	 * If -u <bus_number> is not passed, execute
    944 	 * command for card 0 only.
    945 	 *
    946 	 */
    947 	if (open_needed) {
    948 		snprintf(devbase, sizeof(devbase),
    949 		    "%s%d.0", device_string, current_board);
    950 		if (open_dev(&fd, devbase) < 0) {
    951 			err(EX_IOERR,
    952 			    "%s: Error opening firewire controller #%d %s",
    953 			    __func__, current_board, devbase);
    954 		}
    955 	}
    956 	/*
    957 	 * display the nodes on this board "-u" only
    958 	*/
    959 	if (display_board_only)
    960 		list_dev(fd);
    961 
    962 	/*
    963 	 * dump_phy_reg "-p"
    964 	 */
    965 	if (dump_phy_reg)
    966 		dump_phy_registers(fd);
    967 
    968 	/*
    969 	 * send a BUS_RESET Event "-r"
    970 	 */
    971 	if (send_bus_reset)
    972 		if (ioctl(fd, FW_IBUSRST, &tmp) < 0)
    973 			err(EX_IOERR, "%s: Ioctl of bus reset failed for %s",
    974 			    __func__, devbase);
    975 	/*
    976 	 * Print out the CROM for this node "-c"
    977 	 */
    978 	if (display_crom) {
    979 		tmp = str2node(fd, crom_string);
    980 		get_crom(fd, tmp, crom_buf, len);
    981 		show_crom(crom_buf);
    982 		free(crom_string);
    983 	}
    984 	/*
    985 	 * Hex Dump the CROM for this node "-d"
    986 	 */
    987 	if (display_crom_hex) {
    988 		tmp = str2node(fd, crom_string_hex);
    989 		get_crom(fd, tmp, crom_buf_hex, len);
    990 		dump_crom(crom_buf_hex);
    991 		free(crom_string_hex);
    992 	}
    993 	/*
    994 	 * Set Priority Budget to value for this node "-b"
    995 	 */
    996 	if (priority_budget >= 0)
    997 		set_pri_req(fd, priority_budget);
    998 
    999 	/*
   1000 	 * Explicitly set the root node of this bus to value "-f"
   1001 	 */
   1002 	if (set_root_node >= 0)
   1003 		send_phy_config(fd, set_root_node, -1);
   1004 
   1005 	/*
   1006 	 * Set the gap count for this card/bus  "-g"
   1007 	 */
   1008 	if (set_gap_count >= 0)
   1009 		send_phy_config(fd, -1, set_gap_count);
   1010 
   1011 	/*
   1012 	 * Load a CROM from a file "-l"
   1013 	 */
   1014 	if (load_crom_from_file)
   1015 		show_crom(crom_buf);
   1016 	/*
   1017 	 * Set the fwmem target for a node to argument "-m"
   1018 	 */
   1019 	if (set_fwmem_target) {
   1020 		uint32_t hi, lo;
   1021 		memcpy(&hi, &target.octet[0], sizeof(hi));
   1022 		memcpy(&lo, &target.octet[4], sizeof(lo));
   1023 		eui.hi = ntohl(hi);
   1024 		eui.lo = ntohl(lo);
   1025 		sysctl_set_int("hw.fwmem.eui64_hi", eui.hi);
   1026 		sysctl_set_int("hw.fwmem.eui64_lo", eui.lo);
   1027 	}
   1028 
   1029 	/*
   1030 	 * Send a link on to this board/bus "-o"
   1031 	 */
   1032 	if (send_link_on >= 0)
   1033 		link_on(fd, send_link_on);
   1034 
   1035 	/*
   1036 	 * Send a reset start to this board/bus "-s"
   1037 	 */
   1038 	if (send_reset_start >= 0)
   1039 		reset_start(fd, send_reset_start);
   1040 
   1041 	/*
   1042 	 * Dump the node topology for this board/bus "-t"
   1043 	 */
   1044 	if (dump_topology)
   1045 		show_topology_map(fd);
   1046 
   1047 	/*
   1048 	 * Receive data file from node "-R"
   1049 	 */
   1050 #define TAG	(1<<6)
   1051 #define CHANNEL	63
   1052 	if (recv_data != NULL){
   1053 		if (recvfn == NULL) { /* guess... */
   1054 			recvfn = detect_recv_fn(fd, TAG | CHANNEL);
   1055 			close(fd);
   1056 			fd = -1;
   1057 		}
   1058 		snprintf(devbase, sizeof(devbase), "%s%d.0",
   1059 		    device_string, current_board);
   1060 		if (open_dev(&fd, devbase) < 0)
   1061 			err(EX_IOERR, "%s: Error opening firewire "
   1062 			    "controller #%d %s in recv_data",
   1063 			    __func__, current_board, devbase);
   1064 		(*recvfn)(fd, recv_data, TAG | CHANNEL, -1);
   1065 		free(recv_data);
   1066 	}
   1067 
   1068 	/*
   1069 	 * Send data file to node "-S"
   1070 	 */
   1071 	if (send_data != NULL){
   1072 		dvsend(fd, send_data, TAG | CHANNEL, -1);
   1073 		free(send_data);
   1074 	}
   1075 
   1076 	if (fd > 0) {
   1077 		close(fd);
   1078 		fd = -1;
   1079 	}
   1080 	return 0;
   1081 }
   1082