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 ==  ontario
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 "ontario.h"
55 #include "erie.h"
56 #include "pelton.h"
57 #include "stpaul.h"
58 #include "huron.h"
59 #include "glendale_common.h"
60 
61 #if !defined(TEXT_DOMAIN)
62 #define	TEXT_DOMAIN	"SYS_TEST"
63 #endif
64 
65 /*
66  * these functions will overlay the symbol table of libprtdiag
67  * at runtime
68  */
69 void sun4v_display_pci(picl_nodehdl_t plafh);
70 void sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh);
71 
72 
73 /* local functions */
74 static void sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh);
75 static int ontario_pci_callback(picl_nodehdl_t pcih, void *args);
76 static int ontario_get_first_compatible_value(picl_nodehdl_t nodeh,
77     char **outbuf);
78 static int64_t ontario_get_int_propval(picl_nodehdl_t modh, char *prop_name,
79     int *ret);
80 
81 static void
82 get_bus_type(char *path, struct io_card *card)
83 {
84 	if (strncmp(path, PCIX_SLOT0, PCIX_COMP_NUM) == 0) {
85 		(void) strcpy(card->bus_type, "PCIX");
86 	} else {
87 		(void) strcpy(card->bus_type, "PCIE");
88 	}
89 }
90 
91 static void
92 get_slot_number(picl_nodehdl_t nodeh, char *path, struct io_card *card)
93 {
94 	if (strncmp(path, PCIE_SLOT0, PCIE_COMP_NUM) == 0) {
95 		(void) strcpy(card->slot_str, "0");
96 		card->slot = 0;
97 	} else if (strncmp(path, PCIE_SLOT1, PCIE_COMP_NUM) == 0) {
98 		(void) strcpy(card->slot_str, "1");
99 		card->slot = 1;
100 	} else if (strncmp(path, PCIE_SLOT2, PCIE_COMP_NUM) == 0) {
101 		(void) strcpy(card->slot_str, "2");
102 		card->slot = 2;
103 	} else if ((strncmp(path, PCIX_SLOT1, strlen(PCIX_SLOT1)) == 0) ||
104 	    (strncmp(path, PCIX_SLOT0, strlen(PCIX_SLOT0)) == 0)) {
105 		char	ua[MAXSTRLEN];
106 		int	err;
107 
108 		(void) strcpy(card->slot_str, "PCIX");
109 		card->slot = -1;
110 
111 		/*
112 		 * PCIX_SLOT0 and PCIX_SLOT1 are actually the same path so
113 		 * use the unit address to distinguish the slot number.
114 		 */
115 		err = picl_get_propval_by_name(nodeh, PICL_PROP_UNIT_ADDRESS,
116 		    ua, sizeof (ua));
117 		if (err == PICL_SUCCESS) {
118 			if (ua[0] == '2') {
119 				card->slot = 0;
120 				(void) strcpy(card->slot_str, "0");
121 			} else if (ua[0] == '1') {
122 				card->slot = 1;
123 				(void) strcpy(card->slot_str, "1");
124 			}
125 		}
126 	} else {
127 		(void) strcpy(card->slot_str, IOBOARD);
128 		card->slot = -1;
129 	}
130 }
131 
132 static int
133 ontario_get_network_instance(char *path)
134 {
135 	if (strncmp(path, NETWORK_1_PATH, strlen(NETWORK_1_PATH)) == 0) {
136 		return (1);
137 	} else if (strncmp(path, NETWORK_3_PATH, strlen(NETWORK_3_PATH)) == 0) {
138 		return (3);
139 	} else if (strncmp(path, NETWORK_0_PATH, strlen(NETWORK_0_PATH)) == 0) {
140 		return (0);
141 	} else if (strncmp(path, NETWORK_2_PATH, strlen(NETWORK_2_PATH)) == 0) {
142 		return (2);
143 	} else {
144 		return (-1);
145 	}
146 }
147 /*
148  * add all io devices under pci in io list
149  */
150 /* ARGSUSED */
151 static int
152 ontario_pci_callback(picl_nodehdl_t pcih, void *args)
153 {
154 	int		err = PICL_SUCCESS;
155 	picl_nodehdl_t	nodeh;
156 	char		path[MAXSTRLEN];
157 	char		parent_path[MAXSTRLEN];
158 	char		piclclass[PICL_CLASSNAMELEN_MAX];
159 	char		name[MAXSTRLEN];
160 	char		model[MAXSTRLEN];
161 	char		*compatible;
162 	char		binding_name[MAXSTRLEN];
163 	struct io_card	pci_card;
164 	int32_t		instance;
165 
166 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, parent_path,
167 	    sizeof (parent_path));
168 	if (err != PICL_SUCCESS) {
169 		return (err);
170 	}
171 
172 	/* Walk through the children */
173 
174 	err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
175 	    sizeof (picl_nodehdl_t));
176 
177 	while (err == PICL_SUCCESS) {
178 		err = picl_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
179 		    piclclass, sizeof (piclclass));
180 		if (err !=  PICL_SUCCESS)
181 			return (err);
182 
183 		/*
184 		 * Skip PCI and PCIEX devices because they will be processed
185 		 * later in the picl tree walk.
186 		 */
187 		if ((strcmp(piclclass, "pci") == 0) ||
188 		    (strcmp(piclclass, "pciex") == 0)) {
189 			err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER,
190 			    &nodeh, sizeof (picl_nodehdl_t));
191 			continue;
192 		}
193 
194 		err = picl_get_propval_by_name(nodeh, PICL_PROP_DEVFS_PATH,
195 		    path, sizeof (path));
196 		if (err != PICL_SUCCESS) {
197 			return (err);
198 		}
199 
200 		(void) strlcpy(pci_card.notes, path, sizeof (pci_card.notes));
201 
202 		get_bus_type(parent_path, &pci_card);
203 
204 		get_slot_number(nodeh, parent_path, &pci_card);
205 
206 		err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
207 		    sizeof (name));
208 		if (err == PICL_PROPNOTFOUND)
209 			(void) strcpy(name, "");
210 		else if (err != PICL_SUCCESS)
211 			return (err);
212 
213 		/* Figure NAC name */
214 		if ((strcmp(name, NETWORK) == 0) &&
215 		    (strcmp(pci_card.slot_str, IOBOARD) == 0)) {
216 			instance = ontario_get_network_instance(path);
217 
218 			(void) snprintf(pci_card.status,
219 			    sizeof (pci_card.status), "%s/%s%d", IOBOARD,
220 			    "NET", instance);
221 		} else {
222 			if (pci_card.slot != -1) {
223 				(void) snprintf(pci_card.status,
224 				    sizeof (pci_card.status), "%s/%s%d",
225 				    IOBOARD, pci_card.bus_type, pci_card.slot);
226 			} else {
227 				(void) snprintf(pci_card.status,
228 				    sizeof (pci_card.status), "%s/%s", IOBOARD,
229 				    pci_card.bus_type);
230 			}
231 		}
232 
233 		/*
234 		 * Get the name of this card. If binding_name is found,
235 		 * name will be <nodename>-<binding_name>
236 		 */
237 
238 		err = picl_get_propval_by_name(nodeh, PICL_PROP_BINDING_NAME,
239 		    &binding_name, sizeof (binding_name));
240 		if (err == PICL_PROPNOTFOUND) {
241 			/*
242 			 * if compatible prop is found, name will be
243 			 * <nodename>-<compatible>
244 			 */
245 			err = ontario_get_first_compatible_value(nodeh,
246 			    &compatible);
247 			if (err == PICL_SUCCESS) {
248 				(void) strlcat(name, "-", MAXSTRLEN);
249 				(void) strlcat(name, compatible, MAXSTRLEN);
250 				free(compatible);
251 			} else if (err != PICL_PROPNOTFOUND) {
252 				return (err);
253 			}
254 		} else if (err != PICL_SUCCESS) {
255 			return (err);
256 		} else if (strcmp(name, binding_name) != 0) {
257 			(void) strlcat(name, "-", MAXSTRLEN);
258 			(void) strlcat(name, binding_name, MAXSTRLEN);
259 		}
260 
261 		(void) strlcpy(pci_card.name, name, sizeof (pci_card.name));
262 
263 		/* Get the model of this card */
264 
265 		err = picl_get_propval_by_name(nodeh, OBP_PROP_MODEL,
266 		    &model, sizeof (model));
267 		if (err == PICL_PROPNOTFOUND)
268 			(void) strcpy(model, "");
269 		else if (err != PICL_SUCCESS)
270 			return (err);
271 		(void) strlcpy(pci_card.model, model, sizeof (pci_card.model));
272 
273 		/* Print NAC name */
274 		log_printf("%-11s", pci_card.status);
275 		/* Print IO Type */
276 		log_printf("%6s", pci_card.bus_type);
277 		/* Print Slot # */
278 		log_printf("%5s", pci_card.slot_str);
279 		/* Print Parent Path */
280 		log_printf("%46.45s", pci_card.notes);
281 		/* Printf Card Name */
282 		if (strlen(pci_card.name) > 25)
283 			log_printf("%25.24s+", pci_card.name);
284 		else
285 			log_printf("%26s", pci_card.name);
286 		/* Print Card Model */
287 		if (strlen(pci_card.model) > 10)
288 			log_printf("%10.9s+", pci_card.model);
289 		else
290 			log_printf("%11s", pci_card.model);
291 		log_printf("\n");
292 
293 		err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
294 		    sizeof (picl_nodehdl_t));
295 
296 	}
297 
298 	return (PICL_WALK_CONTINUE);
299 }
300 /*
301  * display_pci
302  * Display all the PCI IO cards on this board.
303  */
304 void
305 sun4v_display_pci(picl_nodehdl_t plafh)
306 {
307 	char    platbuf[MAXSTRLEN];
308 	char	*fmt = "%-11s %-5s %-4s %-45s %-25s %-10s";
309 	static int banner = FALSE; /* Have we printed the column headings? */
310 
311 	if (banner == FALSE) {
312 		log_printf("\n", 0);
313 		log_printf("=========================", 0);
314 		log_printf(dgettext(TEXT_DOMAIN, " IO Configuration "), 0);
315 		log_printf("=========================", 0);
316 		log_printf("\n", 0);
317 		log_printf("\n", 0);
318 		log_printf(fmt, "", "IO", "", "", "", "", 0);
319 		log_printf("\n", 0);
320 		log_printf(fmt, "Location", "Type", "Slot", "Path",
321 		    "Name", "Model", 0);
322 		log_printf("\n");
323 		log_printf(fmt, "-----------", "-----", "----",
324 		    "---------------------------------------------",
325 		    "-------------------------", "----------", 0);
326 		log_printf("\n");
327 		banner = TRUE;
328 	}
329 
330 	/* Get platform name, if that fails, use ontario name by default */
331 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
332 		(void) strcpy(platbuf, ONTARIO_PLATFORM);
333 	}
334 
335 	/*
336 	 * Call functions based on appropriate platform
337 	 */
338 	if ((strncmp(platbuf, ONTARIO_PLATFORM,
339 	    strlen(ONTARIO_PLATFORM)) == 0) ||
340 	    (strncmp(platbuf, ONTARIO_PLATFORM2,
341 	    strlen(ONTARIO_PLATFORM2)) == 0)) {
342 		(void) picl_walk_tree_by_class(plafh, "pciex",
343 		    "pciex", ontario_pci_callback);
344 		(void) picl_walk_tree_by_class(plafh, "pci",
345 		    "pci", ontario_pci_callback);
346 	} else if ((strncmp(platbuf, PELTON_PLATFORM,
347 	    strlen(PELTON_PLATFORM))) == 0) {
348 		(void) picl_walk_tree_by_class(plafh, "pciex",
349 		    "pciex", pelton_pci_callback);
350 		(void) picl_walk_tree_by_class(plafh, "pci",
351 		    "pci", pelton_pci_callback);
352 	} else if ((strncmp(platbuf, STPAUL_PLATFORM,
353 	    strlen(STPAUL_PLATFORM))) == 0) {
354 		(void) picl_walk_tree_by_class(plafh, "pciex",
355 		    "pciex", stpaul_pci_callback);
356 	} else if ((strncmp(platbuf, HURON_1U_PLATFORM,
357 	    strlen(HURON_1U_PLATFORM)) == 0) || (strncmp(platbuf,
358 	    HURON_2U_PLATFORM, strlen(HURON_2U_PLATFORM)) == 0)) {
359 			(void) picl_walk_tree_by_class(plafh, "sun4v",
360 			    "niu", huron_pci_callback);
361 			(void) picl_walk_tree_by_class(plafh, "pciex",
362 			    "pciex", huron_pci_callback);
363 	} else if ((strncmp(platbuf, GLENDALE_PLATFORM,
364 	    strlen(GLENDALE_PLATFORM))) == 0) {
365 		(void) picl_walk_tree_by_class(plafh, "sun4v",
366 		    "niu", glendale_pci_callback);
367 		(void) picl_walk_tree_by_class(plafh, "pciex",
368 		    "pciex", glendale_pci_callback);
369 	} else {
370 		(void) picl_walk_tree_by_class(plafh, "pciex", "pciex",
371 		    erie_pci_callback);
372 		(void) picl_walk_tree_by_class(plafh, "pci", "pci",
373 		    erie_pci_callback);
374 	}
375 }
376 
377 /*
378  * ----------------------------------------------------------------------------
379  */
380 
381 /* ARGSUSED */
382 void
383 sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh)
384 {
385 	/* NOTE(ARGUNUSED(kstats)) */
386 	/*
387 	 * Now display the last powerfail time and the fatal hardware
388 	 * reset information. We do this under a couple of conditions.
389 	 * First if the user asks for it. The second is if the user
390 	 * told us to do logging, and we found a system failure.
391 	 */
392 	if (flag) {
393 		/*
394 		 * display time of latest powerfail. Not all systems
395 		 * have this capability. For those that do not, this
396 		 * is just a no-op.
397 		 */
398 		disp_powerfail(root);
399 
400 		/* platform_disp_prom_version(tree); */
401 		sun4v_display_hw_revisions(root, plafh);
402 	}
403 }
404 
405 /*
406  * local functions
407  */
408 /*
409  * add all io devices under pci in io list
410  */
411 /* ARGSUSED */
412 static int
413 ontario_hw_rev_callback(picl_nodehdl_t pcih, void *args)
414 {
415 	int		err = PICL_SUCCESS;
416 	char		path[MAXSTRLEN] = "";
417 	char		device_path[MAXSTRLEN];
418 	char		NAC[MAXSTRLEN];
419 	char		*compatible;
420 	int32_t		revision;
421 	int		device_found;
422 
423 	device_found = 0;
424 
425 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, path,
426 	    sizeof (path));
427 	if (err != PICL_SUCCESS) {
428 		return (err);
429 	}
430 
431 	if ((strcmp(path, NETWORK_0_PATH) == 0) ||
432 	    (strcmp(path, NETWORK_1_PATH) == 0)) {
433 		device_found = 1;
434 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d", IOBOARD, OPHIR,
435 		    0);
436 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
437 		    &err);
438 	}
439 
440 	if ((strcmp(path, NETWORK_2_PATH) == 0) ||
441 	    (strcmp(path, NETWORK_3_PATH) == 0)) {
442 		device_found = 1;
443 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d", IOBOARD, OPHIR,
444 		    1);
445 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
446 		    &err);
447 	}
448 
449 	if ((strcmp(path, FIRE_PATH0) == 0) ||
450 	    (strcmp(path, FIRE_PATH1) == 0)) {
451 		device_found = 1;
452 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
453 		    "IO-BRIDGE");
454 		revision = ontario_get_int_propval(pcih, OBP_PROP_VERSION_NUM,
455 		    &err);
456 	}
457 
458 	if ((strcmp(path, PCIX_SLOT0) == 0) ||
459 	    (strcmp(path, PCIX_SLOT1) == 0)) {
460 		device_found = 1;
461 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
462 		    PCI_BRIDGE);
463 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
464 		    &err);
465 	}
466 
467 	if (strcmp(path, SWITCH_A_PATH) == 0) {
468 		device_found = 1;
469 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD, SWITCH_A);
470 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
471 		    &err);
472 	}
473 
474 	if (strcmp(path, SWITCH_B_PATH) == 0) {
475 		device_found = 1;
476 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD, SWITCH_B);
477 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
478 		    &err);
479 	}
480 
481 	if (strcmp(path, ONT_LSI_PATH) == 0) {
482 		device_found = 1;
483 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
484 		    SAS_SATA_HBA);
485 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
486 		    &err);
487 	}
488 	if (device_found == 1) {
489 		(void) strcpy(device_path, path);
490 		err = ontario_get_first_compatible_value(pcih, &compatible);
491 
492 		/* Print NAC name */
493 		log_printf("%-20s", NAC);
494 		/* Print Device Path */
495 		if (strlen(device_path) > 38)
496 			log_printf("%38.37s+", device_path);
497 		else
498 			log_printf("%39s", device_path);
499 		/* Print Compatible # */
500 		log_printf("%31s", compatible);
501 		free(compatible);
502 		/* Print Revision */
503 		log_printf("%6d", revision);
504 		log_printf("\n");
505 	}
506 
507 	return (PICL_WALK_CONTINUE);
508 }
509 
510 /*ARGSUSED*/
511 static void
512 sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh)
513 {
514 	Prom_node	*pnode;
515 	char		*value;
516 	char 		platbuf[MAXSTRLEN];
517 	char	*fmt = "%-20s %-45s %-30s %-9s";
518 
519 	log_printf(dgettext(TEXT_DOMAIN, "\n"
520 	    "========================= HW Revisions "
521 	    "=======================================\n\n"));
522 
523 	log_printf(dgettext(TEXT_DOMAIN,
524 	    "System PROM revisions:\n"
525 	    "----------------------\n"));
526 
527 	pnode = dev_find_node(root, "openprom");
528 	if (pnode != NULL) {
529 		value = (char *)get_prop_val(find_prop(pnode, "version"));
530 		log_printf(value);
531 	}
532 
533 	log_printf(dgettext(TEXT_DOMAIN, "\n\n"
534 	    "IO ASIC revisions:\n"
535 	    "------------------\n"));
536 	log_printf(fmt, "Location", "Path", "Device", "Revision\n", 0);
537 	log_printf(fmt, "--------------------",
538 	    "---------------------------------------------",
539 	    "------------------------------",
540 	    "---------\n", 0);
541 
542 	/* Get platform name, if that fails, use ontario name by default */
543 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
544 		(void) strcpy(platbuf, ONTARIO_PLATFORM);
545 	}
546 
547 	/*
548 	 * Walk tree based on platform
549 	 */
550 	if ((strncmp(platbuf, ONTARIO_PLATFORM,
551 	    strlen(ONTARIO_PLATFORM))) == 0) {
552 		(void) picl_walk_tree_by_class(plafh, "pciex",
553 		    "pciex", ontario_hw_rev_callback);
554 		(void) picl_walk_tree_by_class(plafh, "pci",
555 		    "pci", ontario_hw_rev_callback);
556 		(void) picl_walk_tree_by_class(plafh, "network",
557 		    "network", ontario_hw_rev_callback);
558 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
559 		    ontario_hw_rev_callback);
560 	} else if ((strncmp(platbuf, PELTON_PLATFORM,
561 	    strlen(PELTON_PLATFORM))) == 0) {
562 		(void) picl_walk_tree_by_class(plafh, "pciex",
563 		    "pciex", pelton_hw_rev_callback);
564 		(void) picl_walk_tree_by_class(plafh, "pci",
565 		    "pci", pelton_hw_rev_callback);
566 		(void) picl_walk_tree_by_class(plafh, "network",
567 		    "network", pelton_hw_rev_callback);
568 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
569 		    pelton_hw_rev_callback);
570 	} else if ((strncmp(platbuf, STPAUL_PLATFORM,
571 	    strlen(STPAUL_PLATFORM))) == 0) {
572 		(void) picl_walk_tree_by_class(plafh, "pciex",
573 		    "pciex", stpaul_hw_rev_callback);
574 		(void) picl_walk_tree_by_class(plafh, "pci",
575 		    "pci", stpaul_hw_rev_callback);
576 		(void) picl_walk_tree_by_class(plafh, "network",
577 		    "network", stpaul_hw_rev_callback);
578 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
579 		    stpaul_hw_rev_callback);
580 	} else if ((strncmp(platbuf, HURON_1U_PLATFORM,
581 	    strlen(HURON_1U_PLATFORM)) == 0) || (strncmp(platbuf,
582 	    HURON_2U_PLATFORM, strlen(HURON_2U_PLATFORM)) == 0)) {
583 		(void) picl_walk_tree_by_class(plafh, "pciex",
584 		    "pciex", huron_hw_rev_callback);
585 		(void) picl_walk_tree_by_class(plafh, "sun4v",
586 		    "niu", huron_hw_rev_callback);
587 		(void) picl_walk_tree_by_class(plafh, "network",
588 		    "network", huron_hw_rev_callback);
589 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
590 		    huron_hw_rev_callback);
591 	} else if ((strncmp(platbuf, GLENDALE_PLATFORM,
592 	    strlen(GLENDALE_PLATFORM))) == 0) {
593 		(void) picl_walk_tree_by_class(plafh, "pciex",
594 		    "pciex", glendale_hw_rev_callback);
595 		(void) picl_walk_tree_by_class(plafh, "sun4v",
596 		    "niu", glendale_hw_rev_callback);
597 		(void) picl_walk_tree_by_class(plafh, "pci",
598 		    "pci", glendale_hw_rev_callback);
599 		(void) picl_walk_tree_by_class(plafh, "sun4v",
600 		    "pci", glendale_hw_rev_callback);
601 		(void) picl_walk_tree_by_class(plafh, "network",
602 		    "network", glendale_hw_rev_callback);
603 		(void) picl_walk_tree_by_class(plafh, "scsi-2",
604 		    "scsi-2", glendale_hw_rev_callback);
605 	} else {
606 		(void) picl_walk_tree_by_class(plafh, "pciex", "pciex",
607 		    erie_hw_rev_callback);
608 		(void) picl_walk_tree_by_class(plafh, "pci", "pci",
609 		    erie_hw_rev_callback);
610 		(void) picl_walk_tree_by_class(plafh, "network", "network",
611 		    erie_hw_rev_callback);
612 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
613 		    erie_hw_rev_callback);
614 	}
615 }
616 
617 /*
618  * return the first compatible value
619  */
620 static int
621 ontario_get_first_compatible_value(picl_nodehdl_t nodeh, char **outbuf)
622 {
623 	int		err;
624 	picl_prophdl_t	proph;
625 	picl_propinfo_t	pinfo;
626 	picl_prophdl_t	tblh;
627 	picl_prophdl_t	rowproph;
628 	char		*pval;
629 
630 	err = picl_get_propinfo_by_name(nodeh, OBP_PROP_COMPATIBLE,
631 	    &pinfo, &proph);
632 	if (err != PICL_SUCCESS)
633 		return (err);
634 
635 	if (pinfo.type == PICL_PTYPE_CHARSTRING) {
636 		pval = malloc(pinfo.size);
637 		if (pval == NULL)
638 			return (PICL_FAILURE);
639 		err = picl_get_propval(proph, pval, pinfo.size);
640 		if (err != PICL_SUCCESS) {
641 			free(pval);
642 			return (err);
643 		}
644 		*outbuf = pval;
645 		return (PICL_SUCCESS);
646 	}
647 
648 	if (pinfo.type != PICL_PTYPE_TABLE)
649 		return (PICL_FAILURE);
650 
651 	/* get first string from table */
652 	err = picl_get_propval(proph, &tblh, pinfo.size);
653 	if (err != PICL_SUCCESS)
654 		return (err);
655 
656 	err = picl_get_next_by_row(tblh, &rowproph);
657 	if (err != PICL_SUCCESS)
658 		return (err);
659 
660 	err = picl_get_propinfo(rowproph, &pinfo);
661 	if (err != PICL_SUCCESS)
662 		return (err);
663 
664 	pval = malloc(pinfo.size);
665 	if (pval == NULL)
666 		return (PICL_FAILURE);
667 
668 	err = picl_get_propval(rowproph, pval, pinfo.size);
669 	if (err != PICL_SUCCESS) {
670 		free(pval);
671 		return (err);
672 	}
673 
674 	*outbuf = pval;
675 	return (PICL_SUCCESS);
676 }
677 
678 static int64_t
679 ontario_get_int_propval(picl_nodehdl_t modh, char *prop_name, int *ret)
680 {
681 	int		err;
682 	picl_prophdl_t	proph;
683 	picl_propinfo_t	pinfo;
684 	int8_t		int8v;
685 	int16_t		int16v;
686 	int32_t		int32v;
687 	int64_t		int64v;
688 
689 	err = picl_get_propinfo_by_name(modh, prop_name, &pinfo, &proph);
690 	if (err != PICL_SUCCESS) {
691 		*ret = err;
692 		return (0);
693 	}
694 
695 	/*
696 	 * If it is not an int, uint or byte array prop, return failure
697 	 */
698 	if ((pinfo.type != PICL_PTYPE_INT) &&
699 	    (pinfo.type != PICL_PTYPE_UNSIGNED_INT) &&
700 	    (pinfo.type != PICL_PTYPE_BYTEARRAY)) {
701 		*ret = PICL_FAILURE;
702 		return (0);
703 	}
704 
705 	switch (pinfo.size) {
706 	case sizeof (int8_t):
707 		err = picl_get_propval(proph, &int8v, sizeof (int8v));
708 		*ret = err;
709 		return (int8v);
710 	case sizeof (int16_t):
711 		err = picl_get_propval(proph, &int16v, sizeof (int16v));
712 		*ret = err;
713 		return (int16v);
714 	case sizeof (int32_t):
715 		err = picl_get_propval(proph, &int32v, sizeof (int32v));
716 		*ret = err;
717 		return (int32v);
718 	case sizeof (int64_t):
719 		err = picl_get_propval(proph, &int64v, sizeof (int64v));
720 		*ret = err;
721 		return (int64v);
722 	default:	/* not supported size */
723 		*ret = PICL_FAILURE;
724 		return (0);
725 	}
726 }
727