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      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 2008 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 
     60 #if !defined(TEXT_DOMAIN)
     61 #define	TEXT_DOMAIN	"SYS_TEST"
     62 #endif
     63 
     64 /*
     65  * these functions will overlay the symbol table of libprtdiag
     66  * at runtime
     67  */
     68 void sun4v_display_pci(picl_nodehdl_t plafh);
     69 void sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh);
     70 
     71 
     72 /* local functions */
     73 static void sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh);
     74 static int ontario_pci_callback(picl_nodehdl_t pcih, void *args);
     75 static int ontario_get_first_compatible_value(picl_nodehdl_t nodeh,
     76     char **outbuf);
     77 static int64_t ontario_get_int_propval(picl_nodehdl_t modh, char *prop_name,
     78     int *ret);
     79 
     80 static void
     81 get_bus_type(char *path, struct io_card *card)
     82 {
     83 	if (strncmp(path, PCIX_SLOT0, PCIX_COMP_NUM) == 0) {
     84 		(void) strcpy(card->bus_type, "PCIX");
     85 	} else {
     86 		(void) strcpy(card->bus_type, "PCIE");
     87 	}
     88 }
     89 
     90 static void
     91 get_slot_number(picl_nodehdl_t nodeh, char *path, struct io_card *card)
     92 {
     93 	if (strncmp(path, PCIE_SLOT0, PCIE_COMP_NUM) == 0) {
     94 		(void) strcpy(card->slot_str, "0");
     95 		card->slot = 0;
     96 	} else if (strncmp(path, PCIE_SLOT1, PCIE_COMP_NUM) == 0) {
     97 		(void) strcpy(card->slot_str, "1");
     98 		card->slot = 1;
     99 	} else if (strncmp(path, PCIE_SLOT2, PCIE_COMP_NUM) == 0) {
    100 		(void) strcpy(card->slot_str, "2");
    101 		card->slot = 2;
    102 	} else if ((strncmp(path, PCIX_SLOT1, strlen(PCIX_SLOT1)) == 0) ||
    103 	    (strncmp(path, PCIX_SLOT0, strlen(PCIX_SLOT0)) == 0)) {
    104 		char	ua[MAXSTRLEN];
    105 		int	err;
    106 
    107 		(void) strcpy(card->slot_str, "PCIX");
    108 		card->slot = -1;
    109 
    110 		/*
    111 		 * PCIX_SLOT0 and PCIX_SLOT1 are actually the same path so
    112 		 * use the unit address to distinguish the slot number.
    113 		 */
    114 		err = picl_get_propval_by_name(nodeh, PICL_PROP_UNIT_ADDRESS,
    115 		    ua, sizeof (ua));
    116 		if (err == PICL_SUCCESS) {
    117 			if (ua[0] == '2') {
    118 				card->slot = 0;
    119 				(void) strcpy(card->slot_str, "0");
    120 			} else if (ua[0] == '1') {
    121 				card->slot = 1;
    122 				(void) strcpy(card->slot_str, "1");
    123 			}
    124 		}
    125 	} else {
    126 		(void) strcpy(card->slot_str, IOBOARD);
    127 		card->slot = -1;
    128 	}
    129 }
    130 
    131 static int
    132 ontario_get_network_instance(char *path)
    133 {
    134 	if (strncmp(path, NETWORK_1_PATH, strlen(NETWORK_1_PATH)) == 0) {
    135 		return (1);
    136 	} else if (strncmp(path, NETWORK_3_PATH, strlen(NETWORK_3_PATH)) == 0) {
    137 		return (3);
    138 	} else if (strncmp(path, NETWORK_0_PATH, strlen(NETWORK_0_PATH)) == 0) {
    139 		return (0);
    140 	} else if (strncmp(path, NETWORK_2_PATH, strlen(NETWORK_2_PATH)) == 0) {
    141 		return (2);
    142 	} else {
    143 		return (-1);
    144 	}
    145 }
    146 /*
    147  * add all io devices under pci in io list
    148  */
    149 /* ARGSUSED */
    150 static int
    151 ontario_pci_callback(picl_nodehdl_t pcih, void *args)
    152 {
    153 	int		err = PICL_SUCCESS;
    154 	picl_nodehdl_t	nodeh;
    155 	char		path[MAXSTRLEN];
    156 	char		parent_path[MAXSTRLEN];
    157 	char		piclclass[PICL_CLASSNAMELEN_MAX];
    158 	char		name[MAXSTRLEN];
    159 	char		model[MAXSTRLEN];
    160 	char		*compatible;
    161 	char		binding_name[MAXSTRLEN];
    162 	struct io_card	pci_card;
    163 	int32_t		instance;
    164 
    165 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, parent_path,
    166 	    sizeof (parent_path));
    167 	if (err != PICL_SUCCESS) {
    168 		return (err);
    169 	}
    170 
    171 	/* Walk through the children */
    172 
    173 	err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
    174 	    sizeof (picl_nodehdl_t));
    175 
    176 	while (err == PICL_SUCCESS) {
    177 		err = picl_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
    178 		    piclclass, sizeof (piclclass));
    179 		if (err !=  PICL_SUCCESS)
    180 			return (err);
    181 
    182 		/*
    183 		 * Skip PCI and PCIEX devices because they will be processed
    184 		 * later in the picl tree walk.
    185 		 */
    186 		if ((strcmp(piclclass, "pci") == 0) ||
    187 		    (strcmp(piclclass, "pciex") == 0)) {
    188 			err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER,
    189 			    &nodeh, sizeof (picl_nodehdl_t));
    190 			continue;
    191 		}
    192 
    193 		err = picl_get_propval_by_name(nodeh, PICL_PROP_DEVFS_PATH,
    194 		    path, sizeof (path));
    195 		if (err != PICL_SUCCESS) {
    196 			return (err);
    197 		}
    198 
    199 		(void) strlcpy(pci_card.notes, path, sizeof (pci_card.notes));
    200 
    201 		get_bus_type(parent_path, &pci_card);
    202 
    203 		get_slot_number(nodeh, parent_path, &pci_card);
    204 
    205 		err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
    206 		    sizeof (name));
    207 		if (err == PICL_PROPNOTFOUND)
    208 			(void) strcpy(name, "");
    209 		else if (err != PICL_SUCCESS)
    210 			return (err);
    211 
    212 		/* Figure NAC name */
    213 		if ((strcmp(name, NETWORK) == 0) &&
    214 		    (strcmp(pci_card.slot_str, IOBOARD) == 0)) {
    215 			instance = ontario_get_network_instance(path);
    216 
    217 			(void) snprintf(pci_card.status,
    218 			    sizeof (pci_card.status), "%s/%s%d", IOBOARD,
    219 			    "NET", instance);
    220 		} else {
    221 			if (pci_card.slot != -1) {
    222 				(void) snprintf(pci_card.status,
    223 				    sizeof (pci_card.status), "%s/%s%d",
    224 				    IOBOARD, pci_card.bus_type, pci_card.slot);
    225 			} else {
    226 				(void) snprintf(pci_card.status,
    227 				    sizeof (pci_card.status), "%s/%s", IOBOARD,
    228 				    pci_card.bus_type);
    229 			}
    230 		}
    231 
    232 		/*
    233 		 * Get the name of this card. If binding_name is found,
    234 		 * name will be <nodename>-<binding_name>
    235 		 */
    236 
    237 		err = picl_get_propval_by_name(nodeh, PICL_PROP_BINDING_NAME,
    238 		    &binding_name, sizeof (binding_name));
    239 		if (err == PICL_PROPNOTFOUND) {
    240 			/*
    241 			 * if compatible prop is found, name will be
    242 			 * <nodename>-<compatible>
    243 			 */
    244 			err = ontario_get_first_compatible_value(nodeh,
    245 			    &compatible);
    246 			if (err == PICL_SUCCESS) {
    247 				(void) strlcat(name, "-", MAXSTRLEN);
    248 				(void) strlcat(name, compatible, MAXSTRLEN);
    249 				free(compatible);
    250 			} else if (err != PICL_PROPNOTFOUND) {
    251 				return (err);
    252 			}
    253 		} else if (err != PICL_SUCCESS) {
    254 			return (err);
    255 		} else if (strcmp(name, binding_name) != 0) {
    256 			(void) strlcat(name, "-", MAXSTRLEN);
    257 			(void) strlcat(name, binding_name, MAXSTRLEN);
    258 		}
    259 
    260 		(void) strlcpy(pci_card.name, name, sizeof (pci_card.name));
    261 
    262 		/* Get the model of this card */
    263 
    264 		err = picl_get_propval_by_name(nodeh, OBP_PROP_MODEL,
    265 		    &model, sizeof (model));
    266 		if (err == PICL_PROPNOTFOUND)
    267 			(void) strcpy(model, "");
    268 		else if (err != PICL_SUCCESS)
    269 			return (err);
    270 		(void) strlcpy(pci_card.model, model, sizeof (pci_card.model));
    271 
    272 		/* Print NAC name */
    273 		log_printf("%-11s", pci_card.status);
    274 		/* Print IO Type */
    275 		log_printf("%6s", pci_card.bus_type);
    276 		/* Print Slot # */
    277 		log_printf("%5s", pci_card.slot_str);
    278 		/* Print Parent Path */
    279 		log_printf("%46.45s", pci_card.notes);
    280 		/* Printf Card Name */
    281 		if (strlen(pci_card.name) > 25)
    282 			log_printf("%25.24s+", pci_card.name);
    283 		else
    284 			log_printf("%26s", pci_card.name);
    285 		/* Print Card Model */
    286 		if (strlen(pci_card.model) > 10)
    287 			log_printf("%10.9s+", pci_card.model);
    288 		else
    289 			log_printf("%11s", pci_card.model);
    290 		log_printf("\n");
    291 
    292 		err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
    293 		    sizeof (picl_nodehdl_t));
    294 
    295 	}
    296 
    297 	return (PICL_WALK_CONTINUE);
    298 }
    299 /*
    300  * display_pci
    301  * Display all the PCI IO cards on this board.
    302  */
    303 void
    304 sun4v_display_pci(picl_nodehdl_t plafh)
    305 {
    306 	char    platbuf[MAXSTRLEN];
    307 	char	*fmt = "%-11s %-5s %-4s %-45s %-25s %-10s";
    308 	static int banner = FALSE; /* Have we printed the column headings? */
    309 
    310 	if (banner == FALSE) {
    311 		log_printf("\n", 0);
    312 		log_printf("=========================", 0);
    313 		log_printf(dgettext(TEXT_DOMAIN, " IO Configuration "), 0);
    314 		log_printf("=========================", 0);
    315 		log_printf("\n", 0);
    316 		log_printf("\n", 0);
    317 		log_printf(fmt, "", "IO", "", "", "", "", 0);
    318 		log_printf("\n", 0);
    319 		log_printf(fmt, "Location", "Type", "Slot", "Path",
    320 		    "Name", "Model", 0);
    321 		log_printf("\n");
    322 		log_printf(fmt, "-----------", "-----", "----",
    323 		    "---------------------------------------------",
    324 		    "-------------------------", "----------", 0);
    325 		log_printf("\n");
    326 		banner = TRUE;
    327 	}
    328 
    329 	/* Get platform name, if that fails, use ontario name by default */
    330 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
    331 		(void) strcpy(platbuf, ONTARIO_PLATFORM);
    332 	}
    333 
    334 	/*
    335 	 * Call functions based on appropriate platform
    336 	 */
    337 	if ((strncmp(platbuf, ONTARIO_PLATFORM,
    338 	    strlen(ONTARIO_PLATFORM)) == 0) ||
    339 	    (strncmp(platbuf, ONTARIO_PLATFORM2,
    340 	    strlen(ONTARIO_PLATFORM2)) == 0)) {
    341 		(void) picl_walk_tree_by_class(plafh, "pciex",
    342 		    "pciex", ontario_pci_callback);
    343 		(void) picl_walk_tree_by_class(plafh, "pci",
    344 		    "pci", ontario_pci_callback);
    345 	} else if ((strncmp(platbuf, PELTON_PLATFORM,
    346 	    strlen(PELTON_PLATFORM))) == 0) {
    347 		(void) picl_walk_tree_by_class(plafh, "pciex",
    348 		    "pciex", pelton_pci_callback);
    349 		(void) picl_walk_tree_by_class(plafh, "pci",
    350 		    "pci", pelton_pci_callback);
    351 	} else if ((strncmp(platbuf, STPAUL_PLATFORM,
    352 	    strlen(STPAUL_PLATFORM))) == 0) {
    353 		(void) picl_walk_tree_by_class(plafh, "pciex",
    354 		    "pciex", stpaul_pci_callback);
    355 	} else if ((strncmp(platbuf, HURON_1U_PLATFORM,
    356 	    strlen(HURON_1U_PLATFORM)) == 0) || (strncmp(platbuf,
    357 	    HURON_2U_PLATFORM, strlen(HURON_2U_PLATFORM)) == 0)) {
    358 			(void) picl_walk_tree_by_class(plafh, "sun4v",
    359 			    "niu", huron_pci_callback);
    360 			(void) picl_walk_tree_by_class(plafh, "pciex",
    361 			    "pciex", huron_pci_callback);
    362 	} else {
    363 		(void) picl_walk_tree_by_class(plafh, "pciex", "pciex",
    364 		    erie_pci_callback);
    365 		(void) picl_walk_tree_by_class(plafh, "pci", "pci",
    366 		    erie_pci_callback);
    367 	}
    368 }
    369 
    370 /*
    371  * ----------------------------------------------------------------------------
    372  */
    373 
    374 /* ARGSUSED */
    375 void
    376 sun4v_display_diaginfo(int flag, Prom_node *root, picl_nodehdl_t plafh)
    377 {
    378 	/* NOTE(ARGUNUSED(kstats)) */
    379 	/*
    380 	 * Now display the last powerfail time and the fatal hardware
    381 	 * reset information. We do this under a couple of conditions.
    382 	 * First if the user asks for it. The second is if the user
    383 	 * told us to do logging, and we found a system failure.
    384 	 */
    385 	if (flag) {
    386 		/*
    387 		 * display time of latest powerfail. Not all systems
    388 		 * have this capability. For those that do not, this
    389 		 * is just a no-op.
    390 		 */
    391 		disp_powerfail(root);
    392 
    393 		/* platform_disp_prom_version(tree); */
    394 		sun4v_display_hw_revisions(root, plafh);
    395 	}
    396 }
    397 
    398 /*
    399  * local functions
    400  */
    401 /*
    402  * add all io devices under pci in io list
    403  */
    404 /* ARGSUSED */
    405 static int
    406 ontario_hw_rev_callback(picl_nodehdl_t pcih, void *args)
    407 {
    408 	int		err = PICL_SUCCESS;
    409 	char		path[MAXSTRLEN] = "";
    410 	char		device_path[MAXSTRLEN];
    411 	char		NAC[MAXSTRLEN];
    412 	char		*compatible;
    413 	int32_t		revision;
    414 	int		device_found;
    415 
    416 	device_found = 0;
    417 
    418 	err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, path,
    419 	    sizeof (path));
    420 	if (err != PICL_SUCCESS) {
    421 		return (err);
    422 	}
    423 
    424 	if ((strcmp(path, NETWORK_0_PATH) == 0) ||
    425 	    (strcmp(path, NETWORK_1_PATH) == 0)) {
    426 		device_found = 1;
    427 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d", IOBOARD, OPHIR,
    428 		    0);
    429 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    430 		    &err);
    431 	}
    432 
    433 	if ((strcmp(path, NETWORK_2_PATH) == 0) ||
    434 	    (strcmp(path, NETWORK_3_PATH) == 0)) {
    435 		device_found = 1;
    436 		(void) snprintf(NAC, sizeof (NAC), "%s/%s%d", IOBOARD, OPHIR,
    437 		    1);
    438 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    439 		    &err);
    440 	}
    441 
    442 	if ((strcmp(path, FIRE_PATH0) == 0) ||
    443 	    (strcmp(path, FIRE_PATH1) == 0)) {
    444 		device_found = 1;
    445 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
    446 		    "IO-BRIDGE");
    447 		revision = ontario_get_int_propval(pcih, OBP_PROP_VERSION_NUM,
    448 		    &err);
    449 	}
    450 
    451 	if ((strcmp(path, PCIX_SLOT0) == 0) ||
    452 	    (strcmp(path, PCIX_SLOT1) == 0)) {
    453 		device_found = 1;
    454 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
    455 		    PCI_BRIDGE);
    456 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    457 		    &err);
    458 	}
    459 
    460 	if (strcmp(path, SWITCH_A_PATH) == 0) {
    461 		device_found = 1;
    462 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD, SWITCH_A);
    463 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    464 		    &err);
    465 	}
    466 
    467 	if (strcmp(path, SWITCH_B_PATH) == 0) {
    468 		device_found = 1;
    469 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD, SWITCH_B);
    470 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    471 		    &err);
    472 	}
    473 
    474 	if (strcmp(path, ONT_LSI_PATH) == 0) {
    475 		device_found = 1;
    476 		(void) snprintf(NAC, sizeof (NAC), "%s/%s", IOBOARD,
    477 		    SAS_SATA_HBA);
    478 		revision = ontario_get_int_propval(pcih, OBP_PROP_REVISION_ID,
    479 		    &err);
    480 	}
    481 	if (device_found == 1) {
    482 		(void) strcpy(device_path, path);
    483 		err = ontario_get_first_compatible_value(pcih, &compatible);
    484 
    485 		/* Print NAC name */
    486 		log_printf("%-20s", NAC);
    487 		/* Print Device Path */
    488 		if (strlen(device_path) > 38)
    489 			log_printf("%38.37s+", device_path);
    490 		else
    491 			log_printf("%39s", device_path);
    492 		/* Print Compatible # */
    493 		if (err == PICL_SUCCESS) {
    494 			log_printf("%31s", compatible);
    495 			free(compatible);
    496 		} else
    497 			log_printf("%31s", " ");
    498 		/* Print Revision */
    499 		log_printf("%6d", revision);
    500 		log_printf("\n");
    501 	}
    502 
    503 	return (PICL_WALK_CONTINUE);
    504 }
    505 
    506 /*ARGSUSED*/
    507 static void
    508 sun4v_display_hw_revisions(Prom_node *root, picl_nodehdl_t plafh)
    509 {
    510 	Prom_node	*pnode;
    511 	char		*value;
    512 	char 		platbuf[MAXSTRLEN];
    513 	char	*fmt = "%-20s %-45s %-30s %-9s";
    514 
    515 	log_printf(dgettext(TEXT_DOMAIN, "\n"
    516 	    "========================= HW Revisions "
    517 	    "=======================================\n\n"));
    518 
    519 	log_printf(dgettext(TEXT_DOMAIN,
    520 	    "System PROM revisions:\n"
    521 	    "----------------------\n"));
    522 
    523 	pnode = dev_find_node(root, "openprom");
    524 	if (pnode != NULL) {
    525 		value = (char *)get_prop_val(find_prop(pnode, "version"));
    526 		log_printf(value);
    527 	}
    528 
    529 	log_printf(dgettext(TEXT_DOMAIN, "\n\n"
    530 	    "IO ASIC revisions:\n"
    531 	    "------------------\n"));
    532 	log_printf(fmt, "Location", "Path", "Device", "Revision\n", 0);
    533 	log_printf(fmt, "--------------------",
    534 	    "---------------------------------------------",
    535 	    "------------------------------",
    536 	    "---------\n", 0);
    537 
    538 	/* Get platform name, if that fails, use ontario name by default */
    539 	if (sysinfo(SI_PLATFORM, platbuf, sizeof (platbuf)) == -1) {
    540 		(void) strcpy(platbuf, ONTARIO_PLATFORM);
    541 	}
    542 
    543 	/*
    544 	 * Walk tree based on platform
    545 	 */
    546 	if ((strncmp(platbuf, ONTARIO_PLATFORM,
    547 	    strlen(ONTARIO_PLATFORM))) == 0) {
    548 		(void) picl_walk_tree_by_class(plafh, "pciex",
    549 		    "pciex", ontario_hw_rev_callback);
    550 		(void) picl_walk_tree_by_class(plafh, "pci",
    551 		    "pci", ontario_hw_rev_callback);
    552 		(void) picl_walk_tree_by_class(plafh, "network",
    553 		    "network", ontario_hw_rev_callback);
    554 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
    555 		    ontario_hw_rev_callback);
    556 	} else if ((strncmp(platbuf, PELTON_PLATFORM,
    557 	    strlen(PELTON_PLATFORM))) == 0) {
    558 		(void) picl_walk_tree_by_class(plafh, "pciex",
    559 		    "pciex", pelton_hw_rev_callback);
    560 		(void) picl_walk_tree_by_class(plafh, "pci",
    561 		    "pci", pelton_hw_rev_callback);
    562 		(void) picl_walk_tree_by_class(plafh, "network",
    563 		    "network", pelton_hw_rev_callback);
    564 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
    565 		    pelton_hw_rev_callback);
    566 	} else if ((strncmp(platbuf, STPAUL_PLATFORM,
    567 	    strlen(STPAUL_PLATFORM))) == 0) {
    568 		(void) picl_walk_tree_by_class(plafh, "pciex",
    569 		    "pciex", stpaul_hw_rev_callback);
    570 		(void) picl_walk_tree_by_class(plafh, "pci",
    571 		    "pci", stpaul_hw_rev_callback);
    572 		(void) picl_walk_tree_by_class(plafh, "network",
    573 		    "network", stpaul_hw_rev_callback);
    574 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
    575 		    stpaul_hw_rev_callback);
    576 	} else if ((strncmp(platbuf, HURON_1U_PLATFORM,
    577 	    strlen(HURON_1U_PLATFORM)) == 0) || (strncmp(platbuf,
    578 	    HURON_2U_PLATFORM, strlen(HURON_2U_PLATFORM)) == 0)) {
    579 		(void) picl_walk_tree_by_class(plafh, "pciex",
    580 		    "pciex", huron_hw_rev_callback);
    581 		(void) picl_walk_tree_by_class(plafh, "sun4v",
    582 		    "niu", huron_hw_rev_callback);
    583 		(void) picl_walk_tree_by_class(plafh, "network",
    584 		    "network", huron_hw_rev_callback);
    585 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
    586 		    huron_hw_rev_callback);
    587 	} else {
    588 		(void) picl_walk_tree_by_class(plafh, "pciex", "pciex",
    589 		    erie_hw_rev_callback);
    590 		(void) picl_walk_tree_by_class(plafh, "pci", "pci",
    591 		    erie_hw_rev_callback);
    592 		(void) picl_walk_tree_by_class(plafh, "network", "network",
    593 		    erie_hw_rev_callback);
    594 		(void) picl_walk_tree_by_class(plafh, "scsi-2", "scsi-2",
    595 		    erie_hw_rev_callback);
    596 	}
    597 }
    598 
    599 /*
    600  * return the first compatible value
    601  */
    602 static int
    603 ontario_get_first_compatible_value(picl_nodehdl_t nodeh, char **outbuf)
    604 {
    605 	int		err;
    606 	picl_prophdl_t	proph;
    607 	picl_propinfo_t	pinfo;
    608 	picl_prophdl_t	tblh;
    609 	picl_prophdl_t	rowproph;
    610 	char		*pval;
    611 
    612 	err = picl_get_propinfo_by_name(nodeh, OBP_PROP_COMPATIBLE,
    613 	    &pinfo, &proph);
    614 	if (err != PICL_SUCCESS)
    615 		return (err);
    616 
    617 	if (pinfo.type == PICL_PTYPE_CHARSTRING) {
    618 		pval = malloc(pinfo.size);
    619 		if (pval == NULL)
    620 			return (PICL_FAILURE);
    621 		err = picl_get_propval(proph, pval, pinfo.size);
    622 		if (err != PICL_SUCCESS) {
    623 			free(pval);
    624 			return (err);
    625 		}
    626 		*outbuf = pval;
    627 		return (PICL_SUCCESS);
    628 	}
    629 
    630 	if (pinfo.type != PICL_PTYPE_TABLE)
    631 		return (PICL_FAILURE);
    632 
    633 	/* get first string from table */
    634 	err = picl_get_propval(proph, &tblh, pinfo.size);
    635 	if (err != PICL_SUCCESS)
    636 		return (err);
    637 
    638 	err = picl_get_next_by_row(tblh, &rowproph);
    639 	if (err != PICL_SUCCESS)
    640 		return (err);
    641 
    642 	err = picl_get_propinfo(rowproph, &pinfo);
    643 	if (err != PICL_SUCCESS)
    644 		return (err);
    645 
    646 	pval = malloc(pinfo.size);
    647 	if (pval == NULL)
    648 		return (PICL_FAILURE);
    649 
    650 	err = picl_get_propval(rowproph, pval, pinfo.size);
    651 	if (err != PICL_SUCCESS) {
    652 		free(pval);
    653 		return (err);
    654 	}
    655 
    656 	*outbuf = pval;
    657 	return (PICL_SUCCESS);
    658 }
    659 
    660 static int64_t
    661 ontario_get_int_propval(picl_nodehdl_t modh, char *prop_name, int *ret)
    662 {
    663 	int		err;
    664 	picl_prophdl_t	proph;
    665 	picl_propinfo_t	pinfo;
    666 	int8_t		int8v;
    667 	int16_t		int16v;
    668 	int32_t		int32v;
    669 	int64_t		int64v;
    670 
    671 	err = picl_get_propinfo_by_name(modh, prop_name, &pinfo, &proph);
    672 	if (err != PICL_SUCCESS) {
    673 		*ret = err;
    674 		return (0);
    675 	}
    676 
    677 	/*
    678 	 * If it is not an int, uint or byte array prop, return failure
    679 	 */
    680 	if ((pinfo.type != PICL_PTYPE_INT) &&
    681 	    (pinfo.type != PICL_PTYPE_UNSIGNED_INT) &&
    682 	    (pinfo.type != PICL_PTYPE_BYTEARRAY)) {
    683 		*ret = PICL_FAILURE;
    684 		return (0);
    685 	}
    686 
    687 	switch (pinfo.size) {
    688 	case sizeof (int8_t):
    689 		err = picl_get_propval(proph, &int8v, sizeof (int8v));
    690 		*ret = err;
    691 		return (int8v);
    692 	case sizeof (int16_t):
    693 		err = picl_get_propval(proph, &int16v, sizeof (int16v));
    694 		*ret = err;
    695 		return (int16v);
    696 	case sizeof (int32_t):
    697 		err = picl_get_propval(proph, &int32v, sizeof (int32v));
    698 		*ret = err;
    699 		return (int32v);
    700 	case sizeof (int64_t):
    701 		err = picl_get_propval(proph, &int64v, sizeof (int64v));
    702 		*ret = err;
    703 		return (int64v);
    704 	default:	/* not supported size */
    705 		*ret = PICL_FAILURE;
    706 		return (0);
    707 	}
    708 }
    709