xref: /illumos-gate/usr/src/lib/libprtdiag_psr/sparc/monza/common/monza.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * Sun4v Platform specific functions.
28  *
29  * 	called when :
30  *      machine_type ==  monza
31  *
32  */
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"
35 
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 #include <kstat.h>
40 #include <fcntl.h>
41 #include <string.h>
42 #include <assert.h>
43 #include <libintl.h>
44 #include <note.h>
45 #include <sys/systeminfo.h>
46 #include <sys/openpromio.h>
47 #include <sys/sysmacros.h>
48 #include <picl.h>
49 #include "picldefs.h"
50 #include <pdevinfo.h>
51 #include <display.h>
52 #include <display_sun4v.h>
53 #include <libprtdiag.h>
54 #include "monza.h"
55 
56 #if !defined(TEXT_DOMAIN)
57 #define	TEXT_DOMAIN	"SYS_TEST"
58 #endif
59 
60 /*
61  * These functions will overlay the symbol table of libprtdiag
62  * at runtime
63  */
64 void sun4v_display_pci(picl_nodehdl_t plafh);
65 void sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh);
66 
67 
68 /*
69  * local functions
70  */
71 static void sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh);
72 static int monza_pci_callback(picl_nodehdl_t pcih, void *args);
73 static int monza_get_first_compatible_value(picl_nodehdl_t nodeh,
74     char **outbuf);
75 static int64_t monza_get_int_propval(picl_nodehdl_t modh, char *prop_name,
76     int *ret);
77 
78 static void
79 monza_get_bus_type(char *path, struct io_card *card)
80 {
81 	if (strcmp(path, MONZA_NIU) == 0) {
82 		(void) strcpy(card->bus_type, "NIU");
83 	} else {
84 		(void) strcpy(card->bus_type, "PCIE");
85 	}
86 }
87 
88 static void
89 monza_get_slot_number(char *path, struct io_card *card)
90 {
91 	if (strcmp(path, MONZA_N2_XAUI0) == 0) {
92 		(void) strcpy(card->slot_str, "0");
93 		card->slot = 0;
94 	} else if (strcmp(path, MONZA_N2_XAUI1) == 0) {
95 		(void) strcpy(card->slot_str, "1");
96 		card->slot = 1;
97 	} else {
98 		(void) strcpy(card->slot_str, MOTHERBOARD);
99 		card->slot = -1;
100 	}
101 }
102 
103 static int
104 monza_get_network_instance(char *path)
105 {
106 
107 	if (strncmp(path, MONZA_NETWORK_0, strlen(MONZA_NETWORK_0)) == 0) {
108 		return (0);
109 	} else if (strncmp(path, MONZA_NETWORK_1, strlen(MONZA_NETWORK_1))
110 	    == 0) {
111 		return (1);
112 	} else if (strncmp(path, MONZA_NETWORK_2, strlen(MONZA_NETWORK_2))
113 	    == 0) {
114 		return (2);
115 	} else if (strncmp(path, MONZA_ENET_2, strlen(MONZA_ENET_2))
116 	    == 0) {
117 		return (2);
118 	} else if (strncmp(path, MONZA_NETWORK_3, strlen(MONZA_NETWORK_3))
119 	    == 0) {
120 		return (3);
121 	} else if (strncmp(path, MONZA_ENET_3, strlen(MONZA_ENET_3))
122 	    == 0) {
123 		return (3);
124 	} else if (strncmp(path, MONZA_NETWORK_4, strlen(MONZA_NETWORK_4))
125 	    == 0) {
126 		return (4);
127 	} else if (strncmp(path, MONZA_NETWORK_5, strlen(MONZA_NETWORK_5))
128 	    == 0) {
129 		return (5);
130 	} else if (strncmp(path, MONZA_N2_XAUI0, strlen(MONZA_N2_XAUI0))
131 	    == 0) {
132 		return (0);
133 	} else if (strncmp(path, MONZA_N2_XAUI1, strlen(MONZA_N2_XAUI1))
134 	    == 0) {
135 		return (1);
136 	} else {
137 		return (-1);
138 	}
139 }
140 
141 /*
142  * add all io devices under pci in io list
143  */
144 /* ARGSUSED */
145 static int
146 monza_pci_callback(picl_nodehdl_t pcih, void *args)
147 {
148 	int		err = PICL_SUCCESS;
149 	picl_nodehdl_t	nodeh;
150 	char		path[MAXSTRLEN];
151 	char		parent_path[MAXSTRLEN];
152 	char		piclclass[PICL_CLASSNAMELEN_MAX];
153 	char		name[MAXSTRLEN];
154 	char		model[MAXSTRLEN];
155 	char		*compatible;
156 	char		binding_name[MAXSTRLEN];
157 	struct io_card	pci_card;
158 	int32_t		instance;
159 
160 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, parent_path,
161 	    sizeof (parent_path));
162 	if (err != PICL_SUCCESS) {
163 		return (err);
164 	}
165 
166 	/*
167 	 * Walk through the children
168 	 */
169 	err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
170 	    sizeof (picl_nodehdl_t));
171 
172 	while (err == PICL_SUCCESS) {
173 		err = picl_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
174 		    piclclass, sizeof (piclclass));
175 		if (err !=  PICL_SUCCESS)
176 			return (err);
177 
178 		/*
179 		 * Skip PCI and PCIEX devices because they will be processed
180 		 * later in the picl tree walk.
181 		 */
182 		if ((strcmp(piclclass, PCIEX) == 0) ||
183 		    (strcmp(piclclass, PCI) == 0)) {
184 			err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER,
185 			    &nodeh, sizeof (picl_nodehdl_t));
186 			continue;
187 		}
188 
189 		err = picl_get_propval_by_name(nodeh, PICL_PROP_DEVFS_PATH,
190 		    path, sizeof (path));
191 		if (err != PICL_SUCCESS) {
192 			return (err);
193 		}
194 
195 		(void) strlcpy(pci_card.notes, path, sizeof (pci_card.notes));
196 
197 		monza_get_bus_type(parent_path, &pci_card);
198 
199 		err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
200 		    sizeof (name));
201 		if (err == PICL_PROPNOTFOUND)
202 			(void) strcpy(name, "");
203 		else if (err != PICL_SUCCESS)
204 			return (err);
205 
206 		if (strcmp(parent_path, MONZA_NIU) == 0)
207 			monza_get_slot_number(path, &pci_card);
208 		else
209 			monza_get_slot_number(parent_path, &pci_card);
210 
211 		err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
212 		    sizeof (name));
213 		if (err == PICL_PROPNOTFOUND)
214 			(void) strcpy(name, "");
215 		else if (err != PICL_SUCCESS)
216 			return (err);
217 
218 		/* Figure NAC name */
219 		if ((strcmp(name, NETWORK) == 0 ||
220 		    strcmp(name, ETHERNET) == 0) &&
221 		    (strcmp(pci_card.slot_str, MOTHERBOARD) == 0)) {
222 			instance = monza_get_network_instance(path);
223 
224 			(void) snprintf(pci_card.status,
225 			    sizeof (pci_card.status), "%s/%s%d", MOTHERBOARD,
226 			    "NET", instance);
227 		} else {
228 			if (pci_card.slot != -1) {
229 				(void) snprintf(pci_card.status,
230 				    sizeof (pci_card.status), "%s/%s%d",
231 				    IOBOARD, pci_card.bus_type, pci_card.slot);
232 			} else {
233 				(void) snprintf(pci_card.status,
234 				    sizeof (pci_card.status),
235 				"%s/%s", MOTHERBOARD, pci_card.bus_type);
236 			}
237 		}
238 
239 		/*
240 		 * Get the name of this card. If binding_name is found,
241 		 * name will be <nodename>-<binding_name>
242 		 */
243 
244 		err = picl_get_propval_by_name(nodeh, PICL_PROP_BINDING_NAME,
245 		    &binding_name, sizeof (binding_name));
246 		if (err == PICL_PROPNOTFOUND) {
247 			/*
248 			 * if compatible prop is found, name will be
249 			 * <nodename>-<compatible>
250 			 */
251 			err = monza_get_first_compatible_value(nodeh,
252 			    &compatible);
253 			if (err == PICL_SUCCESS) {
254 				(void) strlcat(name, "-", MAXSTRLEN);
255 				(void) strlcat(name, compatible, MAXSTRLEN);
256 				free(compatible);
257 			} else if (err != PICL_PROPNOTFOUND) {
258 				return (err);
259 			}
260 		} else if (err != PICL_SUCCESS) {
261 			return (err);
262 		} else if (strcmp(name, binding_name) != 0) {
263 			(void) strlcat(name, "-", MAXSTRLEN);
264 			(void) strlcat(name, binding_name, MAXSTRLEN);
265 		}
266 
267 		(void) strlcpy(pci_card.name, name, sizeof (pci_card.name));
268 
269 		/* Get the model of this card */
270 
271 		err = picl_get_propval_by_name(nodeh, OBP_PROP_MODEL,
272 		    &model, sizeof (model));
273 		if (err == PICL_PROPNOTFOUND)
274 			(void) strcpy(model, "");
275 		else if (err != PICL_SUCCESS)
276 			return (err);
277 		(void) strlcpy(pci_card.model, model, sizeof (pci_card.model));
278 
279 		/* Print NAC name */
280 		log_printf("%-11s", pci_card.status);
281 		/* Print IO Type */
282 		log_printf("%6s", pci_card.bus_type);
283 		/* Print Slot # */
284 		log_printf("%5s", pci_card.slot_str);
285 		/* Print Parent Path */
286 		log_printf("%46.45s", pci_card.notes);
287 		/* Printf Card Name */
288 		if (strlen(pci_card.name) > 24)
289 			log_printf("%25.24s+", pci_card.name);
290 		else
291 			log_printf("%26s", pci_card.name);
292 		/* Print Card Model */
293 		if (strlen(pci_card.model) > 10)
294 			log_printf("%10.9s+", pci_card.model);
295 		else
296 			log_printf("%10s", pci_card.model);
297 		log_printf("\n");
298 
299 		err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
300 		    sizeof (picl_nodehdl_t));
301 
302 	}
303 
304 	return (PICL_WALK_CONTINUE);
305 }
306 
307 /*
308  * display_pci
309  * Display all the PCI IO cards on this board.
310  */
311 void
312 sun4v_display_pci(picl_nodehdl_t plafh)
313 {
314 	char    platbuf[MAXSTRLEN];
315 	char	*fmt = "%-11s %-7s %-4s %-46s %-25s %-8s";
316 	static int banner = FALSE; /* Have we printed the column headings? */
317 
318 	if (banner == FALSE) {
319 		log_printf("\n", 0);
320 		log_printf("=========================", 0);
321 		log_printf(dgettext(TEXT_DOMAIN, " IO Configuration "), 0);
322 		log_printf("=========================", 0);
323 		log_printf("\n", 0);
324 		log_printf("\n", 0);
325 		log_printf(fmt, "", "IO", "", "", "", "", 0);
326 		log_printf("\n", 0);
327 		log_printf(fmt, "Location", "Type", "Slot", "Path",
328 		    "Name", "Model", 0);
329 		log_printf("\n");
330 		log_printf(fmt, "-----------", "-----", "----",
331 		    "---------------------------------------------",
332 		    "-------------------------", "---------", 0);
333 		log_printf("\n");
334 		banner = TRUE;
335 	}
336 
337 	/* Get platform name, if that fails, use monza name by default */
338 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
339 		(void) strcpy(platbuf, MONZA_PLATFORM);
340 	}
341 
342 	(void) picl_walk_tree_by_class(plafh, PCIEX, PCIEX, monza_pci_callback);
343 	(void) picl_walk_tree_by_class(plafh, PCI, PCI, monza_pci_callback);
344 }
345 
346 /* ARGSUSED */
347 void
348 sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh)
349 {
350 	/* NOTE(ARGUNUSED(kstats)) */
351 	/*
352 	 * Now display the last powerfail time and the fatal hardware
353 	 * reset information. We do this under a couple of conditions.
354 	 * First if the user asks for it. The second is if the user
355 	 * told us to do logging, and we found a system failure.
356 	 */
357 	if (flag) {
358 		/*
359 		 * display time of latest powerfail. Not all systems
360 		 * have this capability. For those that do not, this
361 		 * is just a no-op.
362 		 */
363 		disp_powerfail(root);
364 
365 		/* platform_disp_prom_version(tree); */
366 		sun4v_display_hw_revisions(root, plafh);
367 	}
368 }
369 
370 /*
371  * local functions
372  */
373 /*
374  * add all io devices under pci in io list
375  */
376 /* ARGSUSED */
377 static int
378 monza_hw_rev_callback(picl_nodehdl_t pcih, void *args)
379 {
380 	int		err = PICL_SUCCESS;
381 	char		path[MAXSTRLEN] = "";
382 	char		device_path[MAXSTRLEN];
383 	char		NAC[MAXSTRLEN];
384 	char		*compatible;
385 	int32_t		revision;
386 	int		device_found;
387 
388 	device_found = 0;
389 
390 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, path,
391 	    sizeof (path));
392 	if (err != PICL_SUCCESS) {
393 		return (err);
394 	}
395 
396 
397 	if ((strncmp(path, MONZA_NETWORK_0, strlen(MONZA_NETWORK_0)) == 0) ||
398 	    (strncmp(path, MONZA_NETWORK_1, strlen(MONZA_NETWORK_1)) == 0)) {
399 		device_found = 1;
400 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d",
401 		    MOTHERBOARD, OPHIR, 0);
402 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
403 		    &err);
404 	}
405 
406 	if ((strncmp(path, MONZA_NETWORK_2, strlen(MONZA_NETWORK_2)) == 0) ||
407 	    (strncmp(path, MONZA_NETWORK_3, strlen(MONZA_NETWORK_3)) == 0)) {
408 		device_found = 1;
409 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d",
410 		    MOTHERBOARD, OPHIR, 1);
411 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
412 		    &err);
413 	}
414 
415 	if ((strncmp(path, MONZA_ENET_2, strlen(MONZA_ENET_2)) == 0) ||
416 	    (strncmp(path, MONZA_ENET_3, strlen(MONZA_ENET_3)) == 0)) {
417 		device_found = 1;
418 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d",
419 		    MOTHERBOARD, OPHIR, 1);
420 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
421 		    &err);
422 	}
423 
424 	if ((strncmp(path, MONZA_NETWORK_4, strlen(MONZA_NETWORK_4)) == 0) ||
425 	    (strncmp(path, MONZA_NETWORK_5, strlen(MONZA_NETWORK_5)) == 0)) {
426 		device_found = 1;
427 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d",
428 		    MOTHERBOARD, OPHIR, 2);
429 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
430 		    &err);
431 	}
432 
433 	if (strcmp(path, MONZA_PCIE_SWITCH_PATH) == 0) {
434 		device_found = 1;
435 		(void) snprintf(NAC, sizeof (NAC), "%s/%s",
436 		    MOTHERBOARD, PCIE_SWITCH);
437 		revision = monza_get_int_propval(pcih,
438 		    OBP_PROP_REVISION_ID, &err);
439 	}
440 
441 	if (strcmp(path, MONZA_RTM_PATH) == 0) {
442 		device_found = 1;
443 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", RTM, AMC);
444 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
445 		    &err);
446 	}
447 
448 	if (strcmp(path, MONZA_CF_PATH) == 0) {
449 		device_found = 1;
450 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
451 		    MONZA_CF_DEVICE);
452 		revision = monza_get_int_propval(pcih, OBP_PROP_REVISION_ID,
453 		    &err);
454 	}
455 
456 	if (device_found == 1) {
457 		(void) strcpy(device_path, path);
458 		err = monza_get_first_compatible_value(pcih, &compatible);
459 
460 		/* Print NAC name */
461 		log_printf("%-20s", NAC);
462 		/* Print Device Path */
463 		if (strlen(device_path) > 38)
464 			log_printf("%38.37s+", device_path);
465 		else
466 			log_printf("%39s", device_path);
467 
468 		/* Print Compatible # */
469 		if (err == PICL_SUCCESS) {
470 			log_printf("%31s", compatible);
471 			free(compatible);
472 		} else
473 			log_printf("%31s", " ");
474 
475 		/* Print Revision */
476 		log_printf("%6d", revision);
477 		log_printf("\n");
478 	}
479 
480 	return (PICL_WALK_CONTINUE);
481 }
482 
483 /*ARGSUSED*/
484 static void
485 sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh)
486 {
487 	Prom_node	*pnode;
488 	char		*value;
489 	char 		platbuf[MAXSTRLEN];
490 	char	*fmt = "%-20s %-40s %-30s %-9s";
491 
492 	log_printf(dgettext(TEXT_DOMAIN, "\n"
493 	    "========================= HW Revisions "
494 	    "=======================================\n\n"));
495 
496 	log_printf(dgettext(TEXT_DOMAIN,
497 	    "System PROM revisions:\n"
498 	    "----------------------\n"));
499 
500 	pnode = dev_find_node(root, "openprom");
501 	if (pnode != NULL) {
502 		value = (char *)get_prop_val(find_prop(pnode, "version"));
503 		log_printf(value);
504 	}
505 
506 	log_printf(dgettext(TEXT_DOMAIN, "\n\n"
507 	    "IO ASIC revisions:\n"
508 	    "------------------\n"));
509 	log_printf(fmt, "Location", "Path", "Device", "Revision\n", 0);
510 	log_printf(fmt, "--------------------",
511 	    "----------------------------------------",
512 	    "------------------------------",
513 	    "---------\n", 0);
514 
515 	/* Get platform name, if that fails, use monza name by default */
516 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
517 		(void) strcpy(platbuf, MONZA_PLATFORM);
518 	}
519 
520 	(void) picl_walk_tree_by_class(plafh, PCIEX,
521 	    PCIEX, monza_hw_rev_callback);
522 	(void) picl_walk_tree_by_class(plafh, PCI,
523 	    PCI, monza_hw_rev_callback);
524 	(void) picl_walk_tree_by_class(plafh, NETWORK,
525 	    NETWORK, monza_hw_rev_callback);
526 }
527 
528 /*
529  * return the first compatible value
530  */
531 static int
532 monza_get_first_compatible_value(picl_nodehdl_t nodeh, char **outbuf)
533 {
534 	int		err;
535 	picl_prophdl_t	proph;
536 	picl_propinfo_t	pinfo;
537 	picl_prophdl_t	tblh;
538 	picl_prophdl_t	rowproph;
539 	char		*pval;
540 
541 	err = picl_get_propinfo_by_name(nodeh, OBP_PROP_COMPATIBLE,
542 	    &pinfo, &proph);
543 	if (err != PICL_SUCCESS)
544 		return (err);
545 
546 	if (pinfo.type == PICL_PTYPE_CHARSTRING) {
547 		pval = malloc(pinfo.size);
548 		if (pval == NULL)
549 			return (PICL_FAILURE);
550 		err = picl_get_propval(proph, pval, pinfo.size);
551 		if (err != PICL_SUCCESS) {
552 			free(pval);
553 			return (err);
554 		}
555 		*outbuf = pval;
556 		return (PICL_SUCCESS);
557 	}
558 
559 	if (pinfo.type != PICL_PTYPE_TABLE)
560 		return (PICL_FAILURE);
561 
562 	/* get first string from table */
563 	err = picl_get_propval(proph, &tblh, pinfo.size);
564 	if (err != PICL_SUCCESS)
565 		return (err);
566 
567 	err = picl_get_next_by_row(tblh, &rowproph);
568 	if (err != PICL_SUCCESS)
569 		return (err);
570 
571 	err = picl_get_propinfo(rowproph, &pinfo);
572 	if (err != PICL_SUCCESS)
573 		return (err);
574 
575 	pval = malloc(pinfo.size);
576 	if (pval == NULL)
577 		return (PICL_FAILURE);
578 
579 	err = picl_get_propval(rowproph, pval, pinfo.size);
580 	if (err != PICL_SUCCESS) {
581 		free(pval);
582 		return (err);
583 	}
584 
585 	*outbuf = pval;
586 	return (PICL_SUCCESS);
587 }
588 
589 static int64_t
590 monza_get_int_propval(picl_nodehdl_t modh, char *prop_name, int *ret)
591 {
592 	int		err;
593 	picl_prophdl_t	proph;
594 	picl_propinfo_t	pinfo;
595 	int8_t		int8v;
596 	int16_t		int16v;
597 	int32_t		int32v;
598 	int64_t		int64v;
599 
600 	err = picl_get_propinfo_by_name(modh, prop_name, &pinfo, &proph);
601 	if (err != PICL_SUCCESS) {
602 		*ret = err;
603 		return (0);
604 	}
605 
606 	/*
607 	 * If it is not an int, uint or byte array prop, return failure
608 	 */
609 	if ((pinfo.type != PICL_PTYPE_INT) &&
610 	    (pinfo.type != PICL_PTYPE_UNSIGNED_INT) &&
611 	    (pinfo.type != PICL_PTYPE_BYTEARRAY)) {
612 		*ret = PICL_FAILURE;
613 		return (0);
614 	}
615 
616 	switch (pinfo.size) {
617 	case sizeof (int8_t):
618 		err = picl_get_propval(proph, &int8v, sizeof (int8v));
619 		*ret = err;
620 		return (int8v);
621 	case sizeof (int16_t):
622 		err = picl_get_propval(proph, &int16v, sizeof (int16v));
623 		*ret = err;
624 		return (int16v);
625 	case sizeof (int32_t):
626 		err = picl_get_propval(proph, &int32v, sizeof (int32v));
627 		*ret = err;
628 		return (int32v);
629 	case sizeof (int64_t):
630 		err = picl_get_propval(proph, &int64v, sizeof (int64v));
631 		*ret = err;
632 		return (int64v);
633 	default:	/* not supported size */
634 		*ret = PICL_FAILURE;
635 		return (0);
636 	}
637 }
638