xref: /dragonfly/usr.sbin/fwcontrol/fwcontrol.c (revision a563ca70)
1 /*
2  * Copyright (C) 2002
3  * 	Hidetoshi Shimokawa. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *
16  *	This product includes software developed by Hidetoshi Shimokawa.
17  *
18  * 4. Neither the name of the author nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD: src/usr.sbin/fwcontrol/fwcontrol.c,v 1.1.2.8 2003/05/01 06:26:35 simokawa Exp $
35  * $DragonFly: src/usr.sbin/fwcontrol/fwcontrol.c,v 1.3 2003/08/08 04:18:44 dillon Exp $
36  */
37 
38 #include <sys/param.h>
39 #include <sys/malloc.h>
40 #include <sys/socket.h>
41 #include <sys/ioctl.h>
42 #include <sys/errno.h>
43 #include <bus/firewire/firewire.h>
44 #include <bus/firewire/iec13213.h>
45 
46 #include <netinet/in.h>
47 #include <fcntl.h>
48 #include <stdio.h>
49 #include <err.h>
50 #include <stdlib.h>
51 #include <string.h>
52 #include <unistd.h>
53 
54 extern int dvrecv(int, char *, char, int);
55 extern int dvsend(int, char *, char, int);
56 
57 static void
58 usage(void)
59 {
60 	fprintf(stderr,
61 		"fwcontrol [-g gap_count] [-o node] [-b pri_req] [-c node]"
62 			" [-r] [-t] [-d node] [-l file] [-R file] [-S file]\n"
63 		"\t-g: broadcast gap_count by phy_config packet\n"
64 		"\t-o: send link-on packet to the node\n"
65 		"\t-s: write RESET_START register on the node\n"
66 		"\t-b: set PRIORITY_BUDGET register on all supported nodes\n"
67 		"\t-c: read configuration ROM\n"
68 		"\t-r: bus reset\n"
69 		"\t-t: read topology map\n"
70 		"\t-d: hex dump of configuration ROM\n"
71 		"\t-l: load and parse hex dump file of configuration ROM\n"
72 		"\t-R: Receive DV stream\n"
73 		"\t-S: Send DV stream\n");
74 	exit(0);
75 }
76 
77 static struct fw_devlstreq *
78 get_dev(int fd)
79 {
80 	struct fw_devlstreq *data;
81 
82 	data = (struct fw_devlstreq *)malloc(sizeof(struct fw_devlstreq));
83 	if (data == NULL)
84 		err(1, "malloc");
85 	if( ioctl(fd, FW_GDEVLST, data) < 0) {
86        			err(1, "ioctl");
87 	}
88 	return data;
89 }
90 
91 static void
92 list_dev(int fd)
93 {
94 	struct fw_devlstreq *data;
95 	struct fw_devinfo *devinfo;
96 	int i;
97 
98 	data = get_dev(fd);
99 	printf("%d devices (info_len=%d)\n", data->n, data->info_len);
100 	printf("node       EUI64       status\n");
101 	for (i = 0; i < data->info_len; i++) {
102 		devinfo = &data->dev[i];
103 		printf("%4d  %08x%08x %6d\n",
104 			(devinfo->status || i == 0) ? devinfo->dst : -1,
105 			devinfo->eui.hi,
106 			devinfo->eui.lo,
107 			devinfo->status
108 		);
109 	}
110 	free((void *)data);
111 }
112 
113 static u_int32_t
114 read_write_quad(int fd, struct fw_eui64 eui, u_int32_t addr_lo, int read, u_int32_t data)
115 {
116         struct fw_asyreq *asyreq;
117 	u_int32_t *qld, res;
118 
119         asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 16);
120 	asyreq->req.len = 16;
121 #if 0
122 	asyreq->req.type = FWASREQNODE;
123 	asyreq->pkt.mode.rreqq.dst = FWLOCALBUS | node;
124 #else
125 	asyreq->req.type = FWASREQEUI;
126 	asyreq->req.dst.eui = eui;
127 #endif
128 	asyreq->pkt.mode.rreqq.tlrt = 0;
129 	if (read)
130 		asyreq->pkt.mode.rreqq.tcode = FWTCODE_RREQQ;
131 	else
132 		asyreq->pkt.mode.rreqq.tcode = FWTCODE_WREQQ;
133 
134 	asyreq->pkt.mode.rreqq.dest_hi = 0xffff;
135 	asyreq->pkt.mode.rreqq.dest_lo = addr_lo;
136 
137 	qld = (u_int32_t *)&asyreq->pkt;
138 	if (!read)
139 		asyreq->pkt.mode.wreqq.data = data;
140 
141 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0) {
142        		err(1, "ioctl");
143 	}
144 	res = qld[3];
145 	free(asyreq);
146 	if (read)
147 		return ntohl(res);
148 	else
149 		return 0;
150 }
151 
152 static void
153 send_phy_config(int fd, int root_node, int gap_count)
154 {
155         struct fw_asyreq *asyreq;
156 
157 	asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 12);
158 	asyreq->req.len = 12;
159 	asyreq->req.type = FWASREQNODE;
160 	asyreq->pkt.mode.ld[0] = 0;
161 	asyreq->pkt.mode.ld[1] = 0;
162 	asyreq->pkt.mode.common.tcode = FWTCODE_PHY;
163 	if (root_node >= 0)
164 		asyreq->pkt.mode.ld[1] |= (root_node & 0x3f) << 24 | 1 << 23;
165 	if (gap_count >= 0)
166 		asyreq->pkt.mode.ld[1] |= 1 << 22 | (gap_count & 0x3f) << 16;
167 	asyreq->pkt.mode.ld[2] = ~asyreq->pkt.mode.ld[1];
168 
169 	printf("send phy_config root_node=%d gap_count=%d\n",
170 						root_node, gap_count);
171 
172 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
173        		err(1, "ioctl");
174 	free(asyreq);
175 }
176 
177 static void
178 send_link_on(int fd, int node)
179 {
180         struct fw_asyreq *asyreq;
181 
182 	asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 12);
183 	asyreq->req.len = 12;
184 	asyreq->req.type = FWASREQNODE;
185 	asyreq->pkt.mode.common.tcode = FWTCODE_PHY;
186 	asyreq->pkt.mode.ld[1] |= (1 << 30) | ((node & 0x3f) << 24);
187 	asyreq->pkt.mode.ld[2] = ~asyreq->pkt.mode.ld[1];
188 
189 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
190        		err(1, "ioctl");
191 	free(asyreq);
192 }
193 
194 static void
195 reset_start(int fd, int node)
196 {
197         struct fw_asyreq *asyreq;
198 
199 	asyreq = (struct fw_asyreq *)malloc(sizeof(struct fw_asyreq_t) + 16);
200 	asyreq->req.len = 16;
201 	asyreq->req.type = FWASREQNODE;
202 	asyreq->pkt.mode.wreqq.dst = FWLOCALBUS | (node & 0x3f);
203 	asyreq->pkt.mode.wreqq.tlrt = 0;
204 	asyreq->pkt.mode.wreqq.tcode = FWTCODE_WREQQ;
205 
206 	asyreq->pkt.mode.wreqq.dest_hi = 0xffff;
207 	asyreq->pkt.mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
208 
209 	asyreq->pkt.mode.wreqq.data = htonl(0x1);
210 
211 	if (ioctl(fd, FW_ASYREQ, asyreq) < 0)
212        		err(1, "ioctl");
213 	free(asyreq);
214 }
215 
216 static void
217 set_pri_req(int fd, int pri_req)
218 {
219 	struct fw_devlstreq *data;
220 	struct fw_devinfo *devinfo;
221 	u_int32_t max, reg, old;
222 	int i;
223 
224 	data = get_dev(fd);
225 #define BUGET_REG 0xf0000218
226 	for (i = 0; i < data->info_len; i++) {
227 		devinfo = &data->dev[i];
228 		if (!devinfo->status)
229 			continue;
230 		reg = read_write_quad(fd, devinfo->eui, BUGET_REG, 1, 0);
231 		printf("%d %08x:%08x, %08x",
232 			devinfo->dst, devinfo->eui.hi, devinfo->eui.lo, reg);
233 		if (reg > 0 && pri_req >= 0) {
234 			old = (reg & 0x3f);
235 			max = (reg & 0x3f00) >> 8;
236 			if (pri_req > max)
237 				pri_req =  max;
238 			printf(" 0x%x -> 0x%x\n", old, pri_req);
239 			read_write_quad(fd, devinfo->eui, BUGET_REG, 0, pri_req);
240 		} else {
241 			printf("\n");
242 		}
243 	}
244 	free((void *)data);
245 }
246 
247 static void
248 parse_bus_info_block(u_int32_t *p, int info_len)
249 {
250 	int i;
251 
252 	for (i = 0; i < info_len; i++) {
253 		printf("bus_info%d: 0x%08x\n", i, *p++);
254 	}
255 }
256 
257 static int
258 get_crom(int fd, int node, void *crom_buf, int len)
259 {
260 	struct fw_crom_buf buf;
261 	int i, error;
262 	struct fw_devlstreq *data;
263 
264 	data = get_dev(fd);
265 
266 	for (i = 0; i < data->info_len; i++) {
267 		if (data->dev[i].dst == node && data->dev[i].eui.lo != 0)
268 			break;
269 	}
270 	if (i == data->info_len)
271 		errx(1, "no such node %d.", node);
272 	else if (i == 0)
273 		errx(1, "node %d is myself.", node);
274 	else
275 		buf.eui = data->dev[i].eui;
276 	free((void *)data);
277 
278 	buf.len = len;
279 	buf.ptr = crom_buf;
280 	if ((error = ioctl(fd, FW_GCROM, &buf)) < 0) {
281        		err(1, "ioctl");
282 	}
283 
284 	return error;
285 }
286 
287 static void
288 show_crom(u_int32_t *crom_buf)
289 {
290 	int i;
291 	struct crom_context cc;
292 	char *desc, info[256];
293 	static char *key_types = "ICLD";
294 	struct csrreg *reg;
295 	struct csrdirectory *dir;
296 	struct csrhdr *hdr;
297 	u_int16_t crc;
298 
299 	printf("first quad: 0x%08x ", *crom_buf);
300 	hdr = (struct csrhdr *)crom_buf;
301 	if (hdr->info_len == 1) {
302 		/* minimum ROM */
303 		struct csrreg *reg;
304 		reg = (struct csrreg *)hdr;
305 		printf("verndor ID: 0x%06x\n",  reg->val);
306 		return;
307 	}
308 	printf("info_len=%d crc_len=%d crc=0x%04x",
309 		hdr->info_len, hdr->crc_len, hdr->crc);
310 	crc = crom_crc(crom_buf+1, hdr->crc_len);
311 	if (crc == hdr->crc)
312 		printf("(OK)\n");
313 	else
314 		printf("(NG)\n");
315 	parse_bus_info_block(crom_buf+1, hdr->info_len);
316 
317 	crom_init_context(&cc, crom_buf);
318 	dir = cc.stack[0].dir;
319 	printf("root_directory: len=0x%04x(%d) crc=0x%04x",
320 			dir->crc_len, dir->crc_len, dir->crc);
321 	crc = crom_crc((u_int32_t *)&dir->entry[0], dir->crc_len);
322 	if (crc == dir->crc)
323 		printf("(OK)\n");
324 	else
325 		printf("(NG)\n");
326 	if (dir->crc_len < 1)
327 		return;
328 	while (cc.depth >= 0) {
329 		desc = crom_desc(&cc, info, sizeof(info));
330 		reg = crom_get(&cc);
331 		for (i = 0; i < cc.depth; i++)
332 			printf("\t");
333 		printf("%02x(%c:%02x) %06x %s: %s\n",
334 			reg->key,
335 			key_types[(reg->key & CSRTYPE_MASK)>>6],
336 			reg->key & CSRKEY_MASK, reg->val,
337 			desc, info);
338 		crom_next(&cc);
339 	}
340 }
341 
342 #define DUMP_FORMAT	"%08x %08x %08x %08x %08x %08x %08x %08x\n"
343 
344 static void
345 dump_crom(u_int32_t *p)
346 {
347 	int len=1024, i;
348 
349 	for (i = 0; i < len/(4*8); i ++) {
350 		printf(DUMP_FORMAT,
351 			p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
352 		p += 8;
353 	}
354 }
355 
356 static void
357 load_crom(char *filename, u_int32_t *p)
358 {
359 	FILE *file;
360 	int len=1024, i;
361 
362 	if ((file = fopen(filename, "r")) == NULL)
363 		err(1, "load_crom");
364 	for (i = 0; i < len/(4*8); i ++) {
365 		fscanf(file, DUMP_FORMAT,
366 			p, p+1, p+2, p+3, p+4, p+5, p+6, p+7);
367 		p += 8;
368 	}
369 }
370 
371 static void
372 show_topology_map(int fd)
373 {
374 	struct fw_topology_map *tmap;
375 	union fw_self_id sid;
376 	int i;
377 	static char *port_status[] = {" ", "-", "P", "C"};
378 	static char *pwr_class[] = {" 0W", "15W", "30W", "45W",
379 					"-1W", "-2W", "-5W", "-9W"};
380 	static char *speed[] = {"S100", "S200", "S400", "S800"};
381 	tmap = malloc(sizeof(struct fw_topology_map));
382 	if (tmap == NULL)
383 		return;
384 	if (ioctl(fd, FW_GTPMAP, tmap) < 0) {
385        		err(1, "ioctl");
386 	}
387 	printf("crc_len: %d generation:%d node_count:%d sid_count:%d\n",
388 		tmap->crc_len, tmap->generation,
389 		tmap->node_count, tmap->self_id_count);
390 	printf("id link gap_cnt speed delay cIRM power port0 port1 port2"
391 		" ini more\n");
392 	for (i = 0; i < tmap->crc_len - 2; i++) {
393 		sid = tmap->self_id[i];
394 		if (sid.p0.sequel) {
395 			printf("%02d sequel packet\n", sid.p0.phy_id);
396 			continue;
397 		}
398 		printf("%02d   %2d      %2d  %4s     %d    %d   %3s"
399 				"     %s     %s     %s   %d    %d\n",
400 			sid.p0.phy_id,
401 			sid.p0.link_active,
402 			sid.p0.gap_count,
403 			speed[sid.p0.phy_speed],
404 			sid.p0.phy_delay,
405 			sid.p0.contender,
406 			pwr_class[sid.p0.power_class],
407 			port_status[sid.p0.port0],
408 			port_status[sid.p0.port1],
409 			port_status[sid.p0.port2],
410 			sid.p0.initiated_reset,
411 			sid.p0.more_packets
412 		);
413 	}
414 	free(tmap);
415 }
416 
417 int
418 main(int argc, char **argv)
419 {
420 	char devname[256];
421 	u_int32_t crom_buf[1024/4];
422 	int fd, i, tmp, ch, len=1024;
423 
424 	for (i = 0; i < 4; i++) {
425 		snprintf(devname, sizeof(devname), "/dev/fw%d", i);
426 		if ((fd = open(devname, O_RDWR)) >= 0)
427 			break;
428 	}
429 	if (fd < 0)
430 		err(1, "open");
431 
432 	if (argc < 2) {
433 		list_dev(fd);
434 	}
435 
436 	while ((ch = getopt(argc, argv, "g:o:s:b:rtc:d:l:R:S:")) != -1)
437 		switch(ch) {
438 		case 'g':
439 			tmp = strtol(optarg, NULL, 0);
440 			send_phy_config(fd, -1, tmp);
441 			break;
442 		case 'o':
443 			tmp = strtol(optarg, NULL, 0);
444 			send_link_on(fd, tmp);
445 			break;
446 		case 's':
447 			tmp = strtol(optarg, NULL, 0);
448 			reset_start(fd, tmp);
449 			break;
450 		case 'b':
451 			tmp = strtol(optarg, NULL, 0);
452 			set_pri_req(fd, tmp);
453 			break;
454 		case 'r':
455 			if(ioctl(fd, FW_IBUSRST, &tmp) < 0)
456                        		err(1, "ioctl");
457 			break;
458 		case 't':
459 			show_topology_map(fd);
460 			break;
461 		case 'c':
462 			tmp = strtol(optarg, NULL, 0);
463 			get_crom(fd, tmp, crom_buf, len);
464 			show_crom(crom_buf);
465 			break;
466 		case 'd':
467 			tmp = strtol(optarg, NULL, 0);
468 			get_crom(fd, tmp, crom_buf, len);
469 			dump_crom(crom_buf);
470 			break;
471 		case 'l':
472 			load_crom(optarg, crom_buf);
473 			show_crom(crom_buf);
474 			break;
475 #define TAG	(1<<6)
476 #define CHANNEL	63
477 		case 'R':
478 			dvrecv(fd, optarg, TAG | CHANNEL, -1);
479 			break;
480 		case 'S':
481 			dvsend(fd, optarg, TAG | CHANNEL, -1);
482 			break;
483 		default:
484 			usage();
485 		}
486 	return 0;
487 }
488