xref: /titanic_41/usr/src/cmd/picl/plugins/common/devtree/picldevtree.c (revision 70025d765b044c6d8594bb965a2247a61e991a99)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * PICL plug-in that creates device tree nodes for all platforms
31  */
32 
33 #include <stdio.h>
34 #include <string.h>
35 #include <ctype.h>
36 #include <limits.h>
37 #include <stdlib.h>
38 #include <assert.h>
39 #include <alloca.h>
40 #include <unistd.h>
41 #include <stropts.h>
42 #include <syslog.h>
43 #include <libdevinfo.h>
44 #include <sys/dkio.h>
45 #include <sys/vtoc.h>
46 #include <sys/time.h>
47 #include <fcntl.h>
48 #include <picl.h>
49 #include <picltree.h>
50 #include <sys/types.h>
51 #include <sys/processor.h>
52 #include <kstat.h>
53 #include <sys/sysinfo.h>
54 #include <dirent.h>
55 #include <libintl.h>
56 #include <pthread.h>
57 #include <libnvpair.h>
58 #include <sys/utsname.h>
59 #include <sys/systeminfo.h>
60 #include <sys/obpdefs.h>
61 #include <sys/openpromio.h>
62 #include "picldevtree.h"
63 
64 /*
65  * Plugin registration entry points
66  */
67 static void	picldevtree_register(void);
68 static void	picldevtree_init(void);
69 static void	picldevtree_fini(void);
70 
71 static void	picldevtree_evhandler(const char *ename, const void *earg,
72 		    size_t size, void *cookie);
73 
74 #pragma	init(picldevtree_register)
75 
76 /*
77  * Log message texts
78  */
79 #define	DEVINFO_PLUGIN_INIT_FAILED	gettext("SUNW_picldevtree failed!\n")
80 #define	PICL_EVENT_DROPPED	\
81 	gettext("SUNW_picldevtree '%s' event dropped.\n")
82 
83 /*
84  * Macro to get PCI device id (from IEEE 1275 spec)
85  */
86 #define	PCI_DEVICE_ID(x)			(((x) >> 11) & 0x1f)
87 /*
88  * Local variables
89  */
90 static picld_plugin_reg_t  my_reg_info = {
91 	PICLD_PLUGIN_VERSION_1,
92 	PICLD_PLUGIN_CRITICAL,
93 	"SUNW_picldevtree",
94 	picldevtree_init,
95 	picldevtree_fini
96 };
97 
98 /*
99  * Debug enabling environment variable
100  */
101 #define	SUNW_PICLDEVTREE_PLUGIN_DEBUG	"SUNW_PICLDEVTREE_PLUGIN_DEBUG"
102 static	int		picldevtree_debug = 0;
103 
104 static	conf_entries_t 	*conf_name_class_map = NULL;
105 static	builtin_map_t	sun4u_map[] = {
106 	/* MAX_NAMEVAL_SIZE */
107 	{ "SUNW,bpp", PICL_CLASS_PARALLEL},
108 	{ "parallel", PICL_CLASS_PARALLEL},
109 	{ "floppy", PICL_CLASS_FLOPPY},
110 	{ "memory", PICL_CLASS_MEMORY},
111 	{ "ebus", PICL_CLASS_EBUS},
112 	{ "i2c", PICL_CLASS_I2C},
113 	{ "usb", PICL_CLASS_USB},
114 	{ "isa", PICL_CLASS_ISA},
115 	{ "dma", PICL_CLASS_DMA},
116 	{ "keyboard", PICL_CLASS_KEYBOARD},
117 	{ "mouse", PICL_CLASS_MOUSE},
118 	{ "fan-control", PICL_CLASS_FAN_CONTROL},
119 	{ "sc", PICL_CLASS_SYSTEM_CONTROLLER},
120 	{ "dimm", PICL_CLASS_SEEPROM},
121 	{ "dimm-fru", PICL_CLASS_SEEPROM},
122 	{ "cpu", PICL_CLASS_SEEPROM},
123 	{ "cpu-fru", PICL_CLASS_SEEPROM},
124 	{ "flashprom", PICL_CLASS_FLASHPROM},
125 	{ "temperature", PICL_CLASS_TEMPERATURE_DEVICE},
126 	{ "motherboard", PICL_CLASS_SEEPROM},
127 	{ "motherboard-fru", PICL_CLASS_SEEPROM},
128 	{ "motherboard-fru-prom", PICL_CLASS_SEEPROM},
129 	{ "pmu", PICL_CLASS_PMU},
130 	{ "sound", PICL_CLASS_SOUND},
131 	{ "firewire", PICL_CLASS_FIREWIRE},
132 	{ "i2c-at34c02", PICL_CLASS_SEEPROM},
133 	{ "hardware-monitor", PICL_CLASS_HARDWARE_MONITOR},
134 	{ "", ""}
135 };
136 static	builtin_map_t	i86pc_map[] = {
137 	/* MAX_NAMEVAL_SIZE */
138 	{ "cpus", PICL_CLASS_I86CPUS},
139 	{ "cpu", PICL_CLASS_CPU},
140 	{ "memory", PICL_CLASS_MEMORY},
141 	{ "asy", PICL_CLASS_SERIAL},
142 	{ "", ""}
143 };
144 static	pname_type_map_t	pname_type_map[] = {
145 	{ "reg", PICL_PTYPE_BYTEARRAY},
146 	{ "device_type", PICL_PTYPE_CHARSTRING},
147 	{ "ranges", PICL_PTYPE_BYTEARRAY},
148 	{ "status", PICL_PTYPE_CHARSTRING},
149 	{ "compatible", PICL_PTYPE_CHARSTRING},
150 	{ "interrupts", PICL_PTYPE_BYTEARRAY},
151 	{ "model", PICL_PTYPE_CHARSTRING},
152 	{ "address", PICL_PTYPE_BYTEARRAY},
153 	{ "vendor-id", PICL_PTYPE_UNSIGNED_INT},
154 	{ "device-id", PICL_PTYPE_UNSIGNED_INT},
155 	{ "revision-id", PICL_PTYPE_UNSIGNED_INT},
156 	{ "class-code", PICL_PTYPE_UNSIGNED_INT},
157 	{ "min-grant", PICL_PTYPE_UNSIGNED_INT},
158 	{ "max-latency", PICL_PTYPE_UNSIGNED_INT},
159 	{ "devsel-speed", PICL_PTYPE_UNSIGNED_INT},
160 	{ "subsystem-id", PICL_PTYPE_UNSIGNED_INT},
161 	{ "subsystem-vendor-id", PICL_PTYPE_UNSIGNED_INT},
162 	{ "assigned-addresses", PICL_PTYPE_BYTEARRAY},
163 	{ "configuration#", PICL_PTYPE_UNSIGNED_INT},
164 	{ "assigned-address", PICL_PTYPE_UNSIGNED_INT},
165 	{ "#address-cells", PICL_PTYPE_UNSIGNED_INT},
166 	{ "#size-cells", PICL_PTYPE_UNSIGNED_INT},
167 	{ "clock-frequency", PICL_PTYPE_UNSIGNED_INT},
168 	{ "scsi-initiator-id", PICL_PTYPE_UNSIGNED_INT},
169 	{ "differential", PICL_PTYPE_UNSIGNED_INT},
170 	{ "idprom", PICL_PTYPE_BYTEARRAY},
171 	{ "bus-range", PICL_PTYPE_BYTEARRAY},
172 	{ "alternate-reg", PICL_PTYPE_BYTEARRAY},
173 	{ "power-consumption", PICL_PTYPE_BYTEARRAY},
174 	{ "slot-names", PICL_PTYPE_BYTEARRAY},
175 	{ "burst-sizes", PICL_PTYPE_UNSIGNED_INT},
176 	{ "up-burst-sizes", PICL_PTYPE_UNSIGNED_INT},
177 	{ "slot-address-bits", PICL_PTYPE_UNSIGNED_INT},
178 	{ "eisa-slots", PICL_PTYPE_BYTEARRAY},
179 	{ "dma", PICL_PTYPE_BYTEARRAY},
180 	{ "slot-names-index", PICL_PTYPE_UNSIGNED_INT},
181 	{ "pnp-csn", PICL_PTYPE_UNSIGNED_INT},
182 	{ "pnp-data", PICL_PTYPE_BYTEARRAY},
183 	{ "description", PICL_PTYPE_CHARSTRING},
184 	{ "pnp-id", PICL_PTYPE_CHARSTRING},
185 	{ "max-frame-size", PICL_PTYPE_UNSIGNED_INT},
186 	{ "address-bits", PICL_PTYPE_UNSIGNED_INT},
187 	{ "local-mac-address", PICL_PTYPE_BYTEARRAY},
188 	{ "mac-address", PICL_PTYPE_BYTEARRAY},
189 	{ "character-set", PICL_PTYPE_CHARSTRING},
190 	{ "available", PICL_PTYPE_BYTEARRAY},
191 	{ "port-wwn", PICL_PTYPE_BYTEARRAY},
192 	{ "node-wwn", PICL_PTYPE_BYTEARRAY},
193 	{ "width", PICL_PTYPE_UNSIGNED_INT},
194 	{ "linebytes", PICL_PTYPE_UNSIGNED_INT},
195 	{ "height", PICL_PTYPE_UNSIGNED_INT},
196 	{ "banner-name", PICL_PTYPE_CHARSTRING},
197 	{ "reset-reason", PICL_PTYPE_CHARSTRING},
198 	{ "implementation#", PICL_PTYPE_UNSIGNED_INT},
199 	{ "version#", PICL_PTYPE_UNSIGNED_INT},
200 	{ "icache-size", PICL_PTYPE_UNSIGNED_INT},
201 	{ "icache-line-size", PICL_PTYPE_UNSIGNED_INT},
202 	{ "icache-associativity", PICL_PTYPE_UNSIGNED_INT},
203 	{ "l1-icache-size", PICL_PTYPE_UNSIGNED_INT},
204 	{ "l1-icache-line-size", PICL_PTYPE_UNSIGNED_INT},
205 	{ "l1-icache-associativity", PICL_PTYPE_UNSIGNED_INT},
206 	{ "#itlb-entries", PICL_PTYPE_UNSIGNED_INT},
207 	{ "dcache-size", PICL_PTYPE_UNSIGNED_INT},
208 	{ "dcache-line-size", PICL_PTYPE_UNSIGNED_INT},
209 	{ "dcache-associativity", PICL_PTYPE_UNSIGNED_INT},
210 	{ "l1-dcache-size", PICL_PTYPE_UNSIGNED_INT},
211 	{ "l1-dcache-line-size", PICL_PTYPE_UNSIGNED_INT},
212 	{ "l1-dcache-associativity", PICL_PTYPE_UNSIGNED_INT},
213 	{ "#dtlb-entries", PICL_PTYPE_UNSIGNED_INT},
214 	{ "ecache-size", PICL_PTYPE_UNSIGNED_INT},
215 	{ "ecache-line-size", PICL_PTYPE_UNSIGNED_INT},
216 	{ "ecache-associativity", PICL_PTYPE_UNSIGNED_INT},
217 	{ "l2-cache-size", PICL_PTYPE_UNSIGNED_INT},
218 	{ "l2-cache-line-size", PICL_PTYPE_UNSIGNED_INT},
219 	{ "l2-cache-associativity", PICL_PTYPE_UNSIGNED_INT},
220 	{ "l2-cache-sharing", PICL_PTYPE_BYTEARRAY},
221 	{ "mask#", PICL_PTYPE_UNSIGNED_INT},
222 	{ "manufacturer#", PICL_PTYPE_UNSIGNED_INT},
223 	{ "sparc-version", PICL_PTYPE_UNSIGNED_INT},
224 	{ "version", PICL_PTYPE_CHARSTRING},
225 	{ "cpu-model", PICL_PTYPE_UNSIGNED_INT},
226 	{ "memory-layout", PICL_PTYPE_BYTEARRAY},
227 	{ "#interrupt-cells", PICL_PTYPE_UNSIGNED_INT},
228 	{ "interrupt-map", PICL_PTYPE_BYTEARRAY},
229 	{ "interrupt-map-mask", PICL_PTYPE_BYTEARRAY}
230 };
231 
232 #define	PNAME_MAP_SIZE	sizeof (pname_type_map) / sizeof (pname_type_map_t)
233 
234 static	builtin_map_t	*builtin_map_ptr = NULL;
235 static	int		builtin_map_size = 0;
236 static	char		mach_name[SYS_NMLN];
237 static	di_prom_handle_t	ph = DI_PROM_HANDLE_NIL;
238 
239 /*
240  * UnitAddress mapping table
241  */
242 static	unitaddr_func_t	encode_default_unitaddr;
243 static	unitaddr_func_t	encode_optional_unitaddr;
244 static	unitaddr_func_t	encode_scsi_unitaddr;
245 static	unitaddr_func_t	encode_upa_unitaddr;
246 static	unitaddr_func_t	encode_gptwo_jbus_unitaddr;
247 static	unitaddr_func_t	encode_pci_unitaddr;
248 
249 static	unitaddr_map_t unitaddr_map_table[] = {
250 	{PICL_CLASS_JBUS, encode_gptwo_jbus_unitaddr, 0},
251 	{PICL_CLASS_GPTWO, encode_gptwo_jbus_unitaddr, 0},
252 	{PICL_CLASS_PCI, encode_pci_unitaddr, 0},
253 	{PICL_CLASS_UPA, encode_upa_unitaddr, 0},
254 	{PICL_CLASS_SCSI, encode_scsi_unitaddr, 0},
255 	{PICL_CLASS_SCSI2, encode_scsi_unitaddr, 0},
256 	{PICL_CLASS_EBUS, encode_default_unitaddr, 2},
257 	{PICL_CLASS_SBUS, encode_default_unitaddr, 2},
258 	{PICL_CLASS_I2C, encode_default_unitaddr, 2},
259 	{PICL_CLASS_USB, encode_default_unitaddr, 1},
260 	{PICL_CLASS_PMU, encode_optional_unitaddr, 2},
261 	{NULL, encode_default_unitaddr, 0}
262 };
263 
264 static int add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh);
265 static int get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh,
266 	char *unitaddr, size_t ualen);
267 
268 
269 /*
270  * The mc event completion handler.
271  * The arguments are event name buffer and a packed nvlist buffer
272  * with the size specifying the size of unpacked nvlist. These
273  * buffers are deallcoated here.
274  *
275  * Also, if a memory controller node is being removed then destroy the
276  * PICL subtree associated with that memory controller.
277  */
278 static void
279 mc_completion_handler(char *ename, void *earg, size_t size)
280 {
281 	picl_nodehdl_t	mch;
282 	nvlist_t	*unpack_nvl;
283 
284 	if (strcmp(ename, PICLEVENT_MC_REMOVED) == 0 &&
285 	    nvlist_unpack(earg, size, &unpack_nvl, NULL) == 0) {
286 		mch = NULL;
287 		(void) nvlist_lookup_uint64(unpack_nvl,
288 		    PICLEVENTARG_NODEHANDLE, &mch);
289 		if (mch != NULL) {
290 			if (picldevtree_debug)
291 				syslog(LOG_INFO,
292 				    "picldevtree: destroying_node:%llx\n",
293 				    mch);
294 			(void) ptree_destroy_node(mch);
295 		}
296 		nvlist_free(unpack_nvl);
297 	}
298 
299 	free(ename);
300 	free(earg);
301 }
302 
303 /*
304  * Functions to post memory controller change event
305  */
306 static int
307 post_mc_event(char *ename, picl_nodehdl_t mch)
308 {
309 	nvlist_t	*nvl;
310 	size_t		nvl_size;
311 	char		*pack_buf;
312 	char		*ev_name;
313 
314 	ev_name = strdup(ename);
315 	if (ev_name == NULL)
316 		return (-1);
317 
318 	if (nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, NULL)) {
319 		free(ev_name);
320 		return (-1);
321 	}
322 
323 	pack_buf = NULL;
324 	if (nvlist_add_uint64(nvl, PICLEVENTARG_NODEHANDLE, mch) ||
325 	    nvlist_pack(nvl, &pack_buf, &nvl_size, NV_ENCODE_NATIVE, NULL)) {
326 		free(ev_name);
327 		nvlist_free(nvl);
328 		return (-1);
329 	}
330 
331 	if (picldevtree_debug)
332 		syslog(LOG_INFO,
333 		    "picldevtree: posting MC event ename:%s nodeh:%llx\n",
334 		    ev_name, mch);
335 	if (ptree_post_event(ev_name, pack_buf, nvl_size,
336 	    mc_completion_handler) != PICL_SUCCESS) {
337 		free(ev_name);
338 		nvlist_free(nvl);
339 		return (-1);
340 	}
341 	nvlist_free(nvl);
342 	return (0);
343 }
344 
345 /*
346  * Lookup a name in the name to class map tables
347  */
348 static int
349 lookup_name_class_map(char *classbuf, const char *nm)
350 {
351 	conf_entries_t	*ptr;
352 	int		i;
353 
354 	/*
355 	 * check name to class mapping in conf file
356 	 */
357 	ptr = conf_name_class_map;
358 
359 	while (ptr != NULL) {
360 		if (strcmp(ptr->name, nm) == 0) {
361 			(void) strlcpy(classbuf, ptr->piclclass,
362 			    PICL_CLASSNAMELEN_MAX);
363 			return (0);
364 		}
365 		ptr = ptr->next;
366 	}
367 
368 	/*
369 	 * check name to class mapping in builtin table
370 	 */
371 	if (builtin_map_ptr == NULL)
372 		return (-1);
373 
374 	for (i = 0; i < builtin_map_size; ++i)
375 		if (strcmp(builtin_map_ptr[i].name, nm) == 0) {
376 			(void) strlcpy(classbuf, builtin_map_ptr[i].piclclass,
377 			    PICL_CLASSNAMELEN_MAX);
378 			return (0);
379 		}
380 	return (-1);
381 }
382 
383 /*
384  * Lookup a prop name in the pname to class map table
385  */
386 static int
387 lookup_pname_type_map(const char *pname, picl_prop_type_t *type)
388 {
389 	int		i;
390 
391 	for (i = 0; i < PNAME_MAP_SIZE; ++i)
392 		if (strcmp(pname_type_map[i].pname, pname) == 0) {
393 			*type = pname_type_map[i].type;
394 			return (0);
395 		}
396 
397 	return (-1);
398 }
399 
400 /*
401  * Return the number of strings in the buffer
402  */
403 static int
404 get_string_count(char *strdat, int length)
405 {
406 	int	count;
407 	char	*lastnull;
408 	char	*nullptr;
409 
410 	count = 1;
411 	for (lastnull = &strdat[length - 1], nullptr = strchr(strdat, '\0');
412 	    nullptr != lastnull; nullptr = strchr(nullptr+1, '\0'))
413 		count++;
414 
415 	return (count);
416 }
417 
418 /*
419  * Return 1 if the node has a "reg" property
420  */
421 static int
422 has_reg_prop(di_node_t dn)
423 {
424 	int			*pdata;
425 	int			dret;
426 
427 	dret = di_prop_lookup_ints(DDI_DEV_T_ANY, dn, OBP_REG, &pdata);
428 	if (dret > 0)
429 		return (1);
430 
431 	if (!ph)
432 		return (0);
433 	dret = di_prom_prop_lookup_ints(ph, dn, OBP_REG, &pdata);
434 	return (dret < 0 ? 0 : 1);
435 }
436 
437 /*
438  * This function copies a PROM node's device_type property value into the
439  * buffer given by outbuf. The buffer size is PICL_CLASSNAMELEN_MAX.
440  *
441  * We reclassify device_type 'fru-prom' to PICL class 'seeprom'
442  * for FRUID support.
443  */
444 static int
445 get_device_type(char *outbuf, di_node_t dn)
446 {
447 	char			*pdata;
448 	char			*pdatap;
449 	int			dret;
450 	int			i;
451 
452 	dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_DEVICETYPE,
453 	    &pdata);
454 	if (dret <= 0) {
455 		if (!ph)
456 			return (-1);
457 
458 		dret = di_prom_prop_lookup_strings(ph, dn, OBP_DEVICETYPE,
459 		    &pdata);
460 		if (dret <= 0) {
461 			return (-1);
462 		}
463 	}
464 
465 	if (dret != 1) {
466 		/*
467 		 * multiple strings
468 		 */
469 		pdatap = pdata;
470 		for (i = 0; i < (dret - 1); ++i) {
471 			pdatap += strlen(pdatap);
472 			*pdatap = '-';	/* replace '\0' with '-' */
473 			pdatap++;
474 		}
475 	}
476 	if (strcasecmp(pdata, "fru-prom") == 0) {
477 		/*
478 		 * Use PICL 'seeprom' class for fru-prom device types
479 		 */
480 		(void) strlcpy(outbuf, PICL_CLASS_SEEPROM,
481 		    PICL_CLASSNAMELEN_MAX);
482 	} else {
483 		(void) strlcpy(outbuf, pdata, PICL_CLASSNAMELEN_MAX);
484 	}
485 	return (0);
486 }
487 
488 /*
489  * Get the minor node name in the class buffer passed
490  */
491 static int
492 get_minor_class(char *classbuf, di_node_t dn)
493 {
494 	di_minor_t	mi_node;
495 	char		*mi_nodetype;
496 	char		*mi_name;
497 
498 	/* get minor node type */
499 	mi_node = di_minor_next(dn, DI_MINOR_NIL);
500 	if (mi_node == DI_MINOR_NIL)
501 		return (-1);
502 
503 	mi_nodetype = di_minor_nodetype(mi_node);
504 	if (mi_nodetype == NULL) { /* no type info, return name */
505 		mi_name = di_minor_name(mi_node);
506 		if (mi_name == NULL)
507 			return (-1);
508 		(void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX);
509 		return (0);
510 	}
511 
512 #define	DDI_NODETYPE(x, y) (strncmp(x, y, (sizeof (y) - 1)) == 0)
513 
514 	/*
515 	 * convert the string to the picl class for non-peudo nodes
516 	 */
517 	if (DDI_NODETYPE(mi_nodetype, DDI_PSEUDO))
518 		return (-1);
519 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_WWN))
520 		(void) strcpy(classbuf, PICL_CLASS_BLOCK);
521 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_CHAN))
522 		(void) strcpy(classbuf, PICL_CLASS_BLOCK);
523 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD))
524 		(void) strcpy(classbuf, PICL_CLASS_CDROM);
525 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_CD_CHAN))
526 		(void) strcpy(classbuf, PICL_CLASS_CDROM);
527 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_FD))
528 		(void) strcpy(classbuf, PICL_CLASS_FLOPPY);
529 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK_FABRIC))
530 		(void) strcpy(classbuf, PICL_CLASS_FABRIC);
531 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_BLOCK))
532 		(void) strcpy(classbuf, PICL_CLASS_BLOCK);
533 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_MOUSE))
534 		(void) strcpy(classbuf, PICL_CLASS_MOUSE);
535 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_KEYBOARD))
536 		(void) strcpy(classbuf, PICL_CLASS_KEYBOARD);
537 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ATTACHMENT_POINT))
538 		(void) strcpy(classbuf, PICL_CLASS_ATTACHMENT_POINT);
539 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_TAPE))
540 		(void) strcpy(classbuf, PICL_CLASS_TAPE);
541 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_SCSI_ENCLOSURE))
542 		(void) strcpy(classbuf, PICL_CLASS_SCSI);
543 	else if (DDI_NODETYPE(mi_nodetype, DDI_NT_ENCLOSURE)) {
544 		char	*colon;
545 
546 		if ((colon = strchr(mi_nodetype, ':')) == NULL)
547 			return (-1);
548 		++colon;
549 		(void) strcpy(classbuf, colon);
550 	} else {	/* unrecognized type, return name */
551 		mi_name = di_minor_name(mi_node);
552 		if (mi_name == NULL)
553 			return (-1);
554 		(void) strlcpy(classbuf, mi_name, PICL_CLASSNAMELEN_MAX);
555 	}
556 	return (0);
557 }
558 
559 /*
560  * Derive PICL class using the compatible property of the node
561  * We use the map table to map compatible property value to
562  * class.
563  */
564 static int
565 get_compatible_class(char *outbuf, di_node_t dn)
566 {
567 	char			*pdata;
568 	char			*pdatap;
569 	int			dret;
570 	int			i;
571 
572 	dret = di_prop_lookup_strings(DDI_DEV_T_ANY, dn, OBP_COMPATIBLE,
573 	    &pdata);
574 	if (dret <= 0) {
575 		if (!ph)
576 			return (-1);
577 
578 		dret = di_prom_prop_lookup_strings(ph, dn, OBP_COMPATIBLE,
579 		    &pdata);
580 		if (dret <= 0) {
581 			return (-1);
582 		}
583 	}
584 
585 	pdatap = pdata;
586 	for (i = 0; i < dret; ++i) {
587 		if (lookup_name_class_map(outbuf, pdatap) == 0)
588 			return (0);
589 		pdatap += strlen(pdatap);
590 		pdatap++;
591 	}
592 	return (-1);
593 }
594 
595 /*
596  * For a given device node find the PICL class to use. Returns NULL
597  * for non device node
598  */
599 static int
600 get_node_class(char *classbuf, di_node_t dn, const char *nodename)
601 {
602 	if (get_device_type(classbuf, dn) == 0) {
603 		if (di_nodeid(dn) == DI_PROM_NODEID) {
604 			/*
605 			 * discard place holder nodes
606 			 */
607 			if ((strcmp(classbuf, DEVICE_TYPE_BLOCK) == 0) ||
608 			    (strcmp(classbuf, DEVICE_TYPE_BYTE) == 0) ||
609 			    (strcmp(classbuf, DEVICE_TYPE_SES) == 0) ||
610 			    (strcmp(classbuf, DEVICE_TYPE_FP) == 0) ||
611 			    (strcmp(classbuf, DEVICE_TYPE_DISK) == 0))
612 				return (-1);
613 
614 			return (0);
615 		}
616 		return (0);	/* return device_type value */
617 	}
618 
619 	if (get_compatible_class(classbuf, dn) == 0) {
620 		return (0);	/* derive class using compatible prop */
621 	}
622 
623 	if (lookup_name_class_map(classbuf, nodename) == 0)
624 		return (0);	/* derive class using name prop */
625 
626 	if (has_reg_prop(dn)) { /* use default obp-device */
627 		(void) strcpy(classbuf, PICL_CLASS_OBP_DEVICE);
628 		return (0);
629 	}
630 
631 	return (get_minor_class(classbuf, dn));
632 }
633 
634 /*
635  * Add a table property containing nrows with one column
636  */
637 static int
638 add_string_list_prop(picl_nodehdl_t nodeh, char *name, char *strlist,
639     unsigned int nrows)
640 {
641 	ptree_propinfo_t	propinfo;
642 	picl_prophdl_t		proph;
643 	picl_prophdl_t		tblh;
644 	int			err;
645 	unsigned int		i;
646 	unsigned int		j;
647 	picl_prophdl_t		*proprow;
648 	int			len;
649 
650 #define	NCOLS_IN_STRING_TABLE	1
651 
652 	err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
653 	    PICL_PTYPE_TABLE, PICL_READ, sizeof (picl_prophdl_t), name,
654 	    NULL, NULL);
655 	if (err != PICL_SUCCESS)
656 		return (err);
657 
658 	err = ptree_create_table(&tblh);
659 	if (err != PICL_SUCCESS)
660 		return (err);
661 
662 	err = ptree_create_and_add_prop(nodeh, &propinfo, &tblh, &proph);
663 	if (err != PICL_SUCCESS)
664 		return (err);
665 
666 	proprow = alloca(sizeof (picl_prophdl_t) * nrows);
667 	if (proprow == NULL) {
668 		(void) ptree_destroy_prop(proph);
669 		return (PICL_FAILURE);
670 	}
671 
672 	for (j = 0; j < nrows; ++j) {
673 		len = strlen(strlist) + 1;
674 		err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
675 		    PICL_PTYPE_CHARSTRING, PICL_READ, len, name,
676 		    NULL, NULL);
677 		if (err != PICL_SUCCESS)
678 			break;
679 		err = ptree_create_prop(&propinfo, strlist, &proprow[j]);
680 		if (err != PICL_SUCCESS)
681 			break;
682 		strlist += len;
683 		err = ptree_add_row_to_table(tblh, NCOLS_IN_STRING_TABLE,
684 		    &proprow[j]);
685 		if (err != PICL_SUCCESS)
686 			break;
687 	}
688 
689 	if (err != PICL_SUCCESS) {
690 		for (i = 0; i < j; ++i)
691 			(void) ptree_destroy_prop(proprow[i]);
692 		(void) ptree_delete_prop(proph);
693 		(void) ptree_destroy_prop(proph);
694 		return (err);
695 	}
696 
697 	return (PICL_SUCCESS);
698 }
699 
700 /*
701  * return 1 if this node has this property with the given value
702  */
703 static int
704 compare_string_propval(picl_nodehdl_t nodeh, const char *pname,
705     const char *pval)
706 {
707 	char			*pvalbuf;
708 	int			err;
709 	int			len;
710 	ptree_propinfo_t	pinfo;
711 	picl_prophdl_t		proph;
712 
713 	err = ptree_get_prop_by_name(nodeh, pname, &proph);
714 	if (err != PICL_SUCCESS)	/* prop doesn't exist */
715 		return (0);
716 
717 	err = ptree_get_propinfo(proph, &pinfo);
718 	if (pinfo.piclinfo.type != PICL_PTYPE_CHARSTRING)
719 		return (0);	/* not string prop */
720 
721 	len = strlen(pval) + 1;
722 
723 	pvalbuf = alloca(len);
724 	if (pvalbuf == NULL)
725 		return (0);
726 
727 	err = ptree_get_propval(proph, pvalbuf, len);
728 	if ((err == PICL_SUCCESS) && (strcmp(pvalbuf, pval) == 0))
729 		return (1);	/* prop match */
730 
731 	return (0);
732 }
733 
734 /*
735  * This function recursively searches the tree for a node that has
736  * the specified string property name and value
737  */
738 static int
739 find_node_by_string_prop(picl_nodehdl_t rooth, const char *pname,
740     const char *pval, picl_nodehdl_t *nodeh)
741 {
742 	picl_nodehdl_t		childh;
743 	int			err;
744 
745 	for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &childh,
746 	    sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
747 		err = ptree_get_propval_by_name(childh, PICL_PROP_PEER, &childh,
748 		    sizeof (picl_nodehdl_t))) {
749 		if (err != PICL_SUCCESS)
750 			return (err);
751 
752 		if (compare_string_propval(childh, pname, pval)) {
753 			*nodeh = childh;
754 			return (PICL_SUCCESS);
755 		}
756 
757 		if (find_node_by_string_prop(childh, pname, pval, nodeh) ==
758 		    PICL_SUCCESS)
759 			return (PICL_SUCCESS);
760 	}
761 
762 	return (PICL_FAILURE);
763 }
764 
765 /*
766  * check if this is a string prop
767  * If the length is less than or equal to 4, assume it's not a string list.
768  * If there is any non-ascii or non-print char, it's not a string prop
769  * If \0 is in the first char or any two consecutive \0's exist,
770  * it's a bytearray prop.
771  * Return value: 0 means it's not a string prop, 1 means it's a string prop
772  */
773 static int
774 is_string_propval(unsigned char *pdata, int len)
775 {
776 	int	i;
777 	int	lastindex;
778 	int	prevnull = -1;
779 
780 	switch (len) {
781 	case 1:
782 		if (!isascii(pdata[0]) || !isprint(pdata[0]))
783 			return (0);
784 		return (1);
785 	case 2:
786 	case 3:
787 	case 4:
788 		lastindex = len;
789 		if (pdata[len-1] == '\0')
790 			lastindex = len - 1;
791 
792 		for (i = 0; i < lastindex; i++)
793 			if (!isascii(pdata[i]) || !isprint(pdata[i]))
794 				return (0);
795 
796 		return (1);
797 
798 	default:
799 		if (len <= 0)
800 			return (0);
801 		for (i = 0; i < len; i++) {
802 			if (!isascii(pdata[i]) || !isprint(pdata[i])) {
803 				if (pdata[i] != '\0')
804 					return (0);
805 				/*
806 				 * if the null char is in the first char
807 				 * or two consecutive nulls' exist,
808 				 * it's a bytearray prop
809 				 */
810 				if ((i == 0) || ((i - prevnull) == 1))
811 					return (0);
812 
813 				prevnull = i;
814 			}
815 		}
816 		break;
817 	}
818 
819 	return (1);
820 }
821 
822 /*
823  * This function counts the number of strings in the value buffer pdata
824  * and creates a property.
825  * If there is only one string in the buffer, pdata, a charstring property
826  * type is created and added.
827  * If there are more than one string in the buffer, pdata, then a table
828  * of charstrings is added.
829  */
830 static int
831 process_charstring_data(picl_nodehdl_t nodeh, char *pname, unsigned char *pdata,
832     int retval)
833 {
834 	int			err;
835 	int			strcount;
836 	char			*strdat;
837 	ptree_propinfo_t	propinfo;
838 
839 	/*
840 	 * append the null char at the end of string when there is
841 	 * no null terminator
842 	 */
843 	if (pdata[retval - 1] != '\0') {
844 		strdat = alloca(retval + 1);
845 		(void) memcpy(strdat, pdata, retval);
846 		strdat[retval] = '\0';
847 		retval++;
848 	} else {
849 		strdat = alloca(retval);
850 		(void) memcpy(strdat, pdata, retval);
851 	}
852 
853 	/*
854 	 * If it's a string list, create a table prop
855 	 */
856 	strcount = get_string_count(strdat, retval);
857 	if (strcount > 1) {
858 		err = add_string_list_prop(nodeh, pname,
859 		    strdat, strcount);
860 		if (err != PICL_SUCCESS)
861 			return (err);
862 	} else {
863 		err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
864 		    PICL_PTYPE_CHARSTRING, PICL_READ,
865 		    strlen(strdat) + 1, pname, NULL,
866 		    NULL);
867 		if (err != PICL_SUCCESS)
868 			return (err);
869 		(void) ptree_create_and_add_prop(nodeh, &propinfo,
870 		    strdat, NULL);
871 	}
872 	return (PICL_SUCCESS);
873 }
874 
875 /*
876  * Add the OBP properties as properties of the PICL node
877  */
878 static int
879 add_openprom_props(picl_nodehdl_t nodeh, di_node_t di_node)
880 {
881 	di_prom_prop_t		promp;
882 	char			*pname;
883 	unsigned char		*pdata;
884 	int			retval;
885 	ptree_propinfo_t	propinfo;
886 	int			err;
887 	picl_prop_type_t	type;
888 
889 	if (!ph)
890 		return (PICL_FAILURE);
891 
892 	for (promp = di_prom_prop_next(ph, di_node, DI_PROM_PROP_NIL);
893 	    promp != DI_PROM_PROP_NIL;
894 		promp = di_prom_prop_next(ph, di_node, promp)) {
895 
896 		pname = di_prom_prop_name(promp);
897 
898 		retval = di_prom_prop_data(promp, &pdata);
899 		if (retval < 0) {
900 			return (PICL_SUCCESS);
901 		}
902 		if (retval == 0) {
903 			err = ptree_init_propinfo(&propinfo,
904 			    PTREE_PROPINFO_VERSION, PICL_PTYPE_VOID,
905 			    PICL_READ, (size_t)0, pname, NULL, NULL);
906 			if (err != PICL_SUCCESS) {
907 				return (err);
908 			}
909 			(void) ptree_create_and_add_prop(nodeh, &propinfo, NULL,
910 			    NULL);
911 			continue;
912 		}
913 
914 		/*
915 		 * Get the prop type from pname map table
916 		 */
917 		if (lookup_pname_type_map(pname, &type) == 0) {
918 			if (type == PICL_PTYPE_CHARSTRING) {
919 				err = process_charstring_data(nodeh, pname,
920 				    pdata, retval);
921 				if (err != PICL_SUCCESS) {
922 					return (err);
923 				}
924 				continue;
925 			}
926 
927 			err = ptree_init_propinfo(&propinfo,
928 			    PTREE_PROPINFO_VERSION, type, PICL_READ,
929 			    retval, pname, NULL, NULL);
930 			if (err != PICL_SUCCESS) {
931 				return (err);
932 			}
933 			(void) ptree_create_and_add_prop(nodeh, &propinfo,
934 			    pdata, NULL);
935 		} else if (!is_string_propval(pdata, retval)) {
936 			switch (retval) {
937 			case sizeof (uint8_t):
938 				/*FALLTHROUGH*/
939 			case sizeof (uint16_t):
940 				/*FALLTHROUGH*/
941 			case sizeof (uint32_t):
942 				type = PICL_PTYPE_UNSIGNED_INT;
943 				break;
944 			default:
945 				type = PICL_PTYPE_BYTEARRAY;
946 				break;
947 			}
948 			err = ptree_init_propinfo(&propinfo,
949 			    PTREE_PROPINFO_VERSION, type, PICL_READ,
950 			    retval, pname, NULL, NULL);
951 			if (err != PICL_SUCCESS) {
952 				return (err);
953 			}
954 			(void) ptree_create_and_add_prop(nodeh, &propinfo,
955 			    pdata, NULL);
956 		} else {
957 			err = process_charstring_data(nodeh, pname, pdata,
958 			    retval);
959 			if (err != PICL_SUCCESS) {
960 				return (err);
961 			}
962 		}
963 	}
964 
965 	return (PICL_SUCCESS);
966 }
967 
968 /*
969  * Add properties provided by libdevinfo
970  */
971 static void
972 add_devinfo_props(picl_nodehdl_t nodeh, di_node_t di_node)
973 {
974 	int			instance;
975 	char			*di_val;
976 	di_prop_t		di_prop;
977 	int			di_ptype;
978 	ptree_propinfo_t	propinfo;
979 
980 	instance = di_instance(di_node);
981 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
982 	    PICL_PTYPE_INT, PICL_READ, sizeof (instance), PICL_PROP_INSTANCE,
983 	    NULL, NULL);
984 	(void) ptree_create_and_add_prop(nodeh, &propinfo, &instance, NULL);
985 
986 	di_val = di_bus_addr(di_node);
987 	if (di_val) {
988 		(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
989 		    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
990 		    PICL_PROP_BUS_ADDR, NULL, NULL);
991 		(void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
992 		    NULL);
993 	}
994 
995 	di_val = di_binding_name(di_node);
996 	if (di_val) {
997 		(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
998 		    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
999 		    PICL_PROP_BINDING_NAME, NULL, NULL);
1000 		(void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1001 		    NULL);
1002 	}
1003 
1004 	di_val = di_driver_name(di_node);
1005 	if (di_val) {
1006 		(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1007 		    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1008 		    PICL_PROP_DRIVER_NAME, NULL, NULL);
1009 		(void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1010 		    NULL);
1011 	}
1012 
1013 	di_val = di_devfs_path(di_node);
1014 	if (di_val) {
1015 		(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1016 		    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(di_val) + 1,
1017 		    PICL_PROP_DEVFS_PATH, NULL, NULL);
1018 		(void) ptree_create_and_add_prop(nodeh, &propinfo, di_val,
1019 		    NULL);
1020 		di_devfs_path_free(di_val);
1021 	}
1022 
1023 	for (di_prop = di_prop_next(di_node, DI_PROP_NIL);
1024 	    di_prop != DI_PROP_NIL;
1025 		di_prop = di_prop_next(di_node, di_prop)) {
1026 
1027 		di_val = di_prop_name(di_prop);
1028 		di_ptype = di_prop_type(di_prop);
1029 		switch (di_ptype) {
1030 		case DI_PROP_TYPE_BOOLEAN:
1031 			(void) ptree_init_propinfo(&propinfo,
1032 			    PTREE_PROPINFO_VERSION, PICL_PTYPE_VOID,
1033 			    PICL_READ, (size_t)0, di_val, NULL, NULL);
1034 			(void) ptree_create_and_add_prop(nodeh, &propinfo,
1035 			    NULL, NULL);
1036 			break;
1037 		case DI_PROP_TYPE_INT: {
1038 			int	*idata;
1039 			int	len;
1040 
1041 			len = di_prop_ints(di_prop, &idata);
1042 			if (len < 0)
1043 				/* Recieved error, so ignore prop */
1044 				break;
1045 
1046 			if (len == 1)
1047 				(void) ptree_init_propinfo(&propinfo,
1048 				    PTREE_PROPINFO_VERSION, PICL_PTYPE_INT,
1049 				    PICL_READ, len * sizeof (int), di_val,
1050 				    NULL, NULL);
1051 			else
1052 				(void) ptree_init_propinfo(&propinfo,
1053 				    PTREE_PROPINFO_VERSION,
1054 				    PICL_PTYPE_BYTEARRAY, PICL_READ,
1055 				    len * sizeof (int), di_val,
1056 				    NULL, NULL);
1057 
1058 			(void) ptree_create_and_add_prop(nodeh, &propinfo,
1059 			    idata, NULL);
1060 		}
1061 		break;
1062 		case DI_PROP_TYPE_STRING: {
1063 			char	*sdata;
1064 			int	len;
1065 
1066 			len = di_prop_strings(di_prop, &sdata);
1067 			if (len < 0)
1068 				break;
1069 
1070 			if (len == 1) {
1071 				(void) ptree_init_propinfo(&propinfo,
1072 				    PTREE_PROPINFO_VERSION,
1073 				    PICL_PTYPE_CHARSTRING, PICL_READ,
1074 				    strlen(sdata) + 1, di_val,
1075 				    NULL, NULL);
1076 				(void) ptree_create_and_add_prop(nodeh,
1077 				    &propinfo, sdata, NULL);
1078 			} else {
1079 				(void) add_string_list_prop(nodeh, di_val,
1080 				    sdata, len);
1081 			}
1082 		}
1083 		break;
1084 		case DI_PROP_TYPE_BYTE: {
1085 			int		len;
1086 			unsigned char *bdata;
1087 
1088 			len = di_prop_bytes(di_prop, &bdata);
1089 			if (len < 0)
1090 				break;
1091 			(void) ptree_init_propinfo(&propinfo,
1092 			    PTREE_PROPINFO_VERSION, PICL_PTYPE_BYTEARRAY,
1093 			    PICL_READ, len, di_val, NULL, NULL);
1094 			(void) ptree_create_and_add_prop(nodeh, &propinfo,
1095 			    bdata, NULL);
1096 		}
1097 		break;
1098 		case DI_PROP_TYPE_UNKNOWN:
1099 			break;
1100 		case DI_PROP_TYPE_UNDEF_IT:
1101 			break;
1102 		default:
1103 			break;
1104 		}
1105 	}
1106 }
1107 
1108 /*
1109  * This function creates the /obp node in the PICL tree for OBP nodes
1110  * without a device type class.
1111  */
1112 static int
1113 construct_picl_openprom(picl_nodehdl_t rooth, picl_nodehdl_t *obph)
1114 {
1115 	picl_nodehdl_t	tmph;
1116 	int		err;
1117 
1118 	err = ptree_create_and_add_node(rooth, PICL_NODE_OBP,
1119 	    PICL_CLASS_PICL, &tmph);
1120 
1121 	if (err != PICL_SUCCESS)
1122 		return (err);
1123 	*obph = tmph;
1124 	return (PICL_SUCCESS);
1125 }
1126 
1127 /*
1128  * This function creates the /platform node in the PICL tree and
1129  * its properties. It sets the "platform-name" property to the
1130  * platform name
1131  */
1132 static int
1133 construct_picl_platform(picl_nodehdl_t rooth, di_node_t di_root,
1134     picl_nodehdl_t *piclh)
1135 {
1136 	int			err;
1137 	picl_nodehdl_t		plafh;
1138 	char			*nodename;
1139 	char			nodeclass[PICL_CLASSNAMELEN_MAX];
1140 	ptree_propinfo_t	propinfo;
1141 	picl_prophdl_t		proph;
1142 
1143 	nodename = di_node_name(di_root);
1144 	if (nodename == NULL)
1145 		return (PICL_FAILURE);
1146 
1147 	err = 0;
1148 	if (di_nodeid(di_root) == DI_PROM_NODEID ||
1149 	    di_nodeid(di_root) == DI_SID_NODEID)
1150 		err = get_device_type(nodeclass, di_root);
1151 
1152 	if (err < 0)
1153 		(void) strcpy(nodeclass, PICL_CLASS_UPA);	/* default */
1154 
1155 	err = ptree_create_and_add_node(rooth, PICL_NODE_PLATFORM,
1156 	    nodeclass, &plafh);
1157 	if (err != PICL_SUCCESS)
1158 		return (err);
1159 
1160 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1161 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(nodename) + 1,
1162 	    PICL_PROP_PLATFORM_NAME, NULL, NULL);
1163 	err = ptree_create_and_add_prop(plafh, &propinfo, nodename, &proph);
1164 	if (err != PICL_SUCCESS)
1165 		return (err);
1166 
1167 	(void) add_devinfo_props(plafh, di_root);
1168 
1169 	(void) add_openprom_props(plafh, di_root);
1170 
1171 	*piclh = plafh;
1172 
1173 	return (PICL_SUCCESS);
1174 }
1175 
1176 /*
1177  * This function creates a node in /obp tree for the libdevinfo handle.
1178  */
1179 static int
1180 construct_obp_node(picl_nodehdl_t parh, di_node_t dn, picl_nodehdl_t *chdh)
1181 {
1182 	int		err;
1183 	char		*nodename;
1184 	char		nodeclass[PICL_CLASSNAMELEN_MAX];
1185 	picl_nodehdl_t	anodeh;
1186 
1187 	nodename = di_node_name(dn);	/* PICL_PROP_NAME */
1188 	if (nodename == NULL)
1189 		return (PICL_FAILURE);
1190 
1191 	if (strcmp(nodename, "pseudo") == 0)
1192 		return (PICL_FAILURE);
1193 
1194 	if ((di_nodeid(dn) == DI_PROM_NODEID) &&
1195 	    (get_device_type(nodeclass, dn) == 0))
1196 		return (PICL_FAILURE);
1197 
1198 	err = ptree_create_and_add_node(parh, nodename, nodename, &anodeh);
1199 	if (err != PICL_SUCCESS)
1200 		return (err);
1201 
1202 	add_devinfo_props(anodeh, dn);
1203 
1204 	(void) add_openprom_props(anodeh, dn);
1205 
1206 	*chdh = anodeh;
1207 
1208 	return (PICL_SUCCESS);
1209 }
1210 
1211 /*
1212  * This function creates a PICL node in /platform tree for a device
1213  */
1214 static int
1215 construct_devtype_node(picl_nodehdl_t parh, char *nodename,
1216     char *nodeclass, di_node_t dn, picl_nodehdl_t *chdh)
1217 {
1218 	int			err;
1219 	picl_nodehdl_t		anodeh;
1220 
1221 	err = ptree_create_and_add_node(parh, nodename, nodeclass, &anodeh);
1222 	if (err != PICL_SUCCESS)
1223 		return (err);
1224 
1225 	(void) add_devinfo_props(anodeh, dn);
1226 	(void) add_openprom_props(anodeh, dn);
1227 
1228 	*chdh = anodeh;
1229 	return (err);
1230 }
1231 
1232 /*
1233  * Create a subtree of "picl" class nodes in /obp for these nodes
1234  */
1235 static int
1236 construct_openprom_tree(picl_nodehdl_t nodeh, di_node_t  dinode)
1237 {
1238 	di_node_t	cnode;
1239 	picl_nodehdl_t	chdh;
1240 	int		err;
1241 
1242 	err = construct_obp_node(nodeh, dinode, &chdh);
1243 	if (err != PICL_SUCCESS)
1244 		return (err);
1245 
1246 	for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1247 	    cnode = di_sibling_node(cnode))
1248 		(void) construct_openprom_tree(chdh, cnode);
1249 
1250 	return (PICL_SUCCESS);
1251 
1252 }
1253 
1254 /*
1255  * Process the libdevinfo device tree and create nodes in /platform or /obp
1256  * PICL tree.
1257  *
1258  * This routine traverses the immediate children of "dinode" device and
1259  * determines the node class for that child. If it finds a valid class
1260  * name, then it builds a PICL node under /platform subtree and calls itself
1261  * recursively to construct the subtree for that child node. Otherwise, if
1262  * the parent_class is NULL, then it constructs a node and subtree under /obp
1263  * subtree.
1264  *
1265  * Note that we skip the children nodes that don't have a valid class name
1266  * and the parent_class is non NULL to prevent creation of any placeholder
1267  * nodes (such as sd,...).
1268  */
1269 static int
1270 construct_devinfo_tree(picl_nodehdl_t plafh, picl_nodehdl_t obph,
1271     di_node_t dinode, char *parent_class)
1272 {
1273 	di_node_t	cnode;
1274 	picl_nodehdl_t	chdh;
1275 	char		nodeclass[PICL_CLASSNAMELEN_MAX];
1276 	char		*nodename;
1277 	int		err;
1278 
1279 	err = PICL_SUCCESS;
1280 	for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1281 	    cnode = di_sibling_node(cnode)) {
1282 		nodename = di_node_name(cnode);	/* PICL_PROP_NAME */
1283 		if (nodename == NULL)
1284 			continue;
1285 
1286 		err = get_node_class(nodeclass, cnode, nodename);
1287 
1288 		if (err == 0) {
1289 			err = construct_devtype_node(plafh, nodename,
1290 			    nodeclass, cnode, &chdh);
1291 			if (err != PICL_SUCCESS)
1292 				return (err);
1293 			err = construct_devinfo_tree(chdh, obph, cnode,
1294 			    nodeclass);
1295 		} else if (parent_class == NULL)
1296 			err = construct_openprom_tree(obph, cnode);
1297 		else
1298 			continue;
1299 		/*
1300 		 * if parent_class is non NULL, skip the children nodes
1301 		 * that don't have a valid device class - eliminates
1302 		 * placeholder nodes (sd,...) from being created.
1303 		 */
1304 	}
1305 
1306 	return (err);
1307 
1308 }
1309 
1310 /*
1311  * This function is called from the event handler called from the daemon
1312  * on PICL events.
1313  *
1314  * This routine traverses the children of the "dinode" device and
1315  * creates a PICL node for each child not found in the PICL tree and
1316  * invokes itself recursively to create a subtree for the newly created
1317  * child node. It also checks if the node being created is a meory
1318  * controller. If so, it posts PICLEVENT_MC_ADDED PICL event to the PICL
1319  * framework.
1320  */
1321 static int
1322 update_subtree(picl_nodehdl_t nodeh, di_node_t dinode)
1323 {
1324 	di_node_t	cnode;
1325 	picl_nodehdl_t	chdh;
1326 	picl_nodehdl_t	nh;
1327 	char		*nodename;
1328 	char		nodeclass[PICL_CLASSNAMELEN_MAX];
1329 	char		*path_buf;
1330 	char		buf[MAX_UNIT_ADDRESS_LEN];
1331 	char		unitaddr[MAX_UNIT_ADDRESS_LEN];
1332 	char		path_w_ua[MAXPATHLEN];
1333 	char		path_wo_ua[MAXPATHLEN];
1334 	char		*strp;
1335 	int		gotit;
1336 	int		err;
1337 
1338 	for (cnode = di_child_node(dinode); cnode != DI_NODE_NIL;
1339 	    cnode = di_sibling_node(cnode)) {
1340 		path_buf = di_devfs_path(cnode);
1341 		if (path_buf == NULL)
1342 			continue;
1343 
1344 		nodename = di_node_name(cnode);
1345 		if (nodename == NULL) {
1346 			di_devfs_path_free(path_buf);
1347 			continue;
1348 		}
1349 
1350 		err = get_node_class(nodeclass, cnode, nodename);
1351 
1352 		if (err < 0) {
1353 			di_devfs_path_free(path_buf);
1354 			continue;
1355 		}
1356 
1357 		/*
1358 		 * this is quite complicated - both path_buf and any nodes
1359 		 * already in the picl tree may, or may not, have the
1360 		 * @<unit_addr> at the end of their names. So we must
1361 		 * take path_buf and work out what the device path would
1362 		 * be both with and without the unit_address, then search
1363 		 * the picl tree for both forms.
1364 		 */
1365 		if (((strp = strrchr(path_buf, '/')) != NULL) &&
1366 		    strchr(strp, '@') == NULL) {
1367 			/*
1368 			 * this is an unattached node - so the path is not
1369 			 * unique. Need to find out which node it is.
1370 			 * Find the unit_address from the obp properties.
1371 			 */
1372 			err = ptree_create_node(nodename, nodeclass, &chdh);
1373 			if (err != PICL_SUCCESS)
1374 				return (err);
1375 			(void) add_openprom_props(chdh, cnode);
1376 			err = get_unitaddr(nodeh, chdh, unitaddr,
1377 			    sizeof (unitaddr));
1378 			if (err != PICL_SUCCESS)
1379 				return (err);
1380 			(void) ptree_destroy_node(chdh);
1381 			(void) snprintf(path_w_ua, sizeof (path_w_ua), "%s@%s",
1382 			    path_buf, unitaddr);
1383 			(void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s",
1384 			    path_buf);
1385 		} else {
1386 			/*
1387 			 * this is an attached node - so the path is unique
1388 			 */
1389 			(void) snprintf(path_w_ua, sizeof (path_w_ua), "%s",
1390 			    path_buf);
1391 			(void) snprintf(path_wo_ua, sizeof (path_wo_ua), "%s",
1392 			    path_buf);
1393 			strp = strrchr(path_wo_ua, '@');
1394 			*strp++ = '\0';
1395 			(void) snprintf(unitaddr, sizeof (unitaddr), "%s",
1396 			    strp);
1397 		}
1398 		/*
1399 		 * first look for node with unit address in devfs_path
1400 		 */
1401 		if (ptree_find_node(nodeh, PICL_PROP_DEVFS_PATH,
1402 		    PICL_PTYPE_CHARSTRING, path_w_ua, strlen(path_w_ua) + 1,
1403 		    &nh) == PICL_SUCCESS) {
1404 			/*
1405 			 * node already there - there's nothing we need to do
1406 			 */
1407 			if (picldevtree_debug > 1)
1408 				syslog(LOG_INFO,
1409 				    "update_subtree: path:%s node exists\n",
1410 				    path_buf);
1411 			di_devfs_path_free(path_buf);
1412 			continue;
1413 		}
1414 		/*
1415 		 * now look for node without unit address in devfs_path.
1416 		 * This might be just one out of several
1417 		 * nodes - need to check all siblings
1418 		 */
1419 		err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD,
1420 		    &chdh, sizeof (chdh));
1421 		if ((err != PICL_SUCCESS) && (err != PICL_PROPNOTFOUND))
1422 			return (err);
1423 		gotit = 0;
1424 		while (err == PICL_SUCCESS) {
1425 			err = ptree_get_propval_by_name(chdh,
1426 			    PICL_PROP_DEVFS_PATH, buf, sizeof (buf));
1427 			if (err != PICL_SUCCESS)
1428 				return (err);
1429 			if (strcmp(buf, path_wo_ua) == 0) {
1430 				err = ptree_get_propval_by_name(chdh,
1431 				    PICL_PROP_UNIT_ADDRESS, buf, sizeof (buf));
1432 				if (err != PICL_SUCCESS)
1433 					return (err);
1434 				if (strcmp(buf, unitaddr) == 0) {
1435 					gotit = 1;
1436 					break;
1437 				}
1438 			}
1439 			err = ptree_get_propval_by_name(chdh,
1440 			    PICL_PROP_PEER, &chdh, sizeof (chdh));
1441 			if (err != PICL_SUCCESS)
1442 				break;
1443 		}
1444 		if (gotit) {
1445 			/*
1446 			 * node already there - there's nothing we need to do
1447 			 */
1448 			if (picldevtree_debug > 1)
1449 				syslog(LOG_INFO,
1450 				    "update_subtree: path:%s node exists\n",
1451 				    path_buf);
1452 			di_devfs_path_free(path_buf);
1453 			continue;
1454 		}
1455 
1456 #define	IS_MC(x)	(strcmp(x, PICL_CLASS_MEMORY_CONTROLLER) == 0 ? 1 : 0)
1457 
1458 		if (construct_devtype_node(nodeh, nodename, nodeclass, cnode,
1459 		    &chdh) == PICL_SUCCESS) {
1460 			if (picldevtree_debug)
1461 				syslog(LOG_INFO,
1462 				    "picldevtree: added node:%s path:%s\n",
1463 				    nodename, path_buf);
1464 			if (IS_MC(nodeclass)) {
1465 				if (post_mc_event(PICLEVENT_MC_ADDED, chdh) !=
1466 				    PICL_SUCCESS)
1467 					syslog(LOG_WARNING, PICL_EVENT_DROPPED,
1468 					    PICLEVENT_MC_ADDED);
1469 			}
1470 
1471 			di_devfs_path_free(path_buf);
1472 			(void) update_subtree(chdh, cnode);
1473 		}
1474 	}
1475 
1476 	return (PICL_SUCCESS);
1477 
1478 }
1479 
1480 /*
1481  * This function processes the data from libdevinfo and creates nodes
1482  * in the PICL tree.
1483  */
1484 static int
1485 libdevinfo_init(picl_nodehdl_t rooth)
1486 {
1487 	di_node_t	di_root;
1488 	picl_nodehdl_t	plafh;
1489 	picl_nodehdl_t	obph;
1490 	int		err;
1491 
1492 
1493 	if ((di_root = di_init("/", DINFOCPYALL)) == DI_NODE_NIL)
1494 		return (PICL_FAILURE);
1495 
1496 	if ((ph = di_prom_init()) == NULL)
1497 		return (PICL_FAILURE);
1498 	/*
1499 	 * create platform PICL node using di_root node
1500 	 */
1501 	err = construct_picl_platform(rooth, di_root, &plafh);
1502 	if (err != PICL_SUCCESS) {
1503 		di_fini(di_root);
1504 		return (PICL_FAILURE);
1505 	}
1506 
1507 	err = construct_picl_openprom(rooth, &obph);
1508 	if (err != PICL_SUCCESS) {
1509 		di_fini(di_root);
1510 		return (PICL_FAILURE);
1511 	}
1512 
1513 	(void) construct_devinfo_tree(plafh, obph, di_root, NULL);
1514 	if (ph) {
1515 		di_prom_fini(ph);
1516 		ph = NULL;
1517 	}
1518 	di_fini(di_root);
1519 	return (err);
1520 }
1521 
1522 /*
1523  * This function returns the integer property value
1524  */
1525 static int
1526 get_int_propval_by_name(picl_nodehdl_t	nodeh, char *pname, int *ival)
1527 {
1528 	int	err;
1529 
1530 	err = ptree_get_propval_by_name(nodeh, pname, ival,
1531 	    sizeof (int));
1532 
1533 	return (err);
1534 }
1535 
1536 /*
1537  * This function returns the port ID (or CPU ID in the case of CMP cores)
1538  * of the specific CPU node handle.  If upa_portid exists, return its value.
1539  * Otherwise, return portid/cpuid.
1540  */
1541 static int
1542 get_cpu_portid(picl_nodehdl_t modh, int *id)
1543 {
1544 	int	err;
1545 
1546 	if (strcmp(mach_name, "sun4u") == 0) {
1547 		err = get_int_propval_by_name(modh, OBP_PROP_UPA_PORTID, id);
1548 		if (err == PICL_SUCCESS)
1549 			return (err);
1550 		err = get_int_propval_by_name(modh, OBP_PROP_PORTID, id);
1551 		if (err == PICL_SUCCESS)
1552 			return (err);
1553 		return (get_int_propval_by_name(modh, OBP_PROP_CPUID, id));
1554 	}
1555 	if (strcmp(mach_name, "i86pc") == 0)
1556 		return (get_int_propval_by_name(modh, PICL_PROP_INSTANCE, id));
1557 
1558 	return (PICL_FAILURE);
1559 }
1560 
1561 /*
1562  * This function is the volatile read access function of CPU state
1563  * property
1564  */
1565 static int
1566 get_pi_state(ptree_rarg_t *rarg, void *vbuf)
1567 {
1568 	int	id;
1569 	int	err;
1570 
1571 	err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1572 	if (err != PICL_SUCCESS)
1573 		return (err);
1574 
1575 	switch (p_online(id, P_STATUS)) {
1576 	case P_ONLINE:
1577 		(void) strlcpy(vbuf, PS_ONLINE, MAX_STATE_SIZE);
1578 		break;
1579 	case P_OFFLINE:
1580 		(void) strlcpy(vbuf, PS_OFFLINE, MAX_STATE_SIZE);
1581 		break;
1582 	case P_NOINTR:
1583 		(void) strlcpy(vbuf, PS_NOINTR, MAX_STATE_SIZE);
1584 		break;
1585 	case P_SPARE:
1586 		(void) strlcpy(vbuf, PS_SPARE, MAX_STATE_SIZE);
1587 		break;
1588 	case P_FAULTED:
1589 		(void) strlcpy(vbuf, PS_FAULTED, MAX_STATE_SIZE);
1590 		break;
1591 	case P_POWEROFF:
1592 		(void) strlcpy(vbuf, PS_POWEROFF, MAX_STATE_SIZE);
1593 		break;
1594 	default:
1595 		(void) strlcpy(vbuf, "unknown", MAX_STATE_SIZE);
1596 		break;
1597 	}
1598 	return (PICL_SUCCESS);
1599 }
1600 
1601 /*
1602  * This function is the volatile read access function of CPU processor_type
1603  * property
1604  */
1605 static int
1606 get_processor_type(ptree_rarg_t *rarg, void *vbuf)
1607 {
1608 	processor_info_t	cpu_info;
1609 	int	id;
1610 	int	err;
1611 
1612 	err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1613 	if (err != PICL_SUCCESS)
1614 		return (err);
1615 
1616 	if (processor_info(id, &cpu_info) >= 0) {
1617 		(void) strlcpy(vbuf, cpu_info.pi_processor_type, PI_TYPELEN);
1618 	}
1619 	return (PICL_SUCCESS);
1620 }
1621 
1622 /*
1623  * This function is the volatile read access function of CPU fputypes
1624  * property
1625  */
1626 static int
1627 get_fputypes(ptree_rarg_t *rarg, void *vbuf)
1628 {
1629 	processor_info_t	cpu_info;
1630 	int	id;
1631 	int	err;
1632 
1633 	err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &id);
1634 	if (err != PICL_SUCCESS)
1635 		return (err);
1636 
1637 	if (processor_info(id, &cpu_info) >= 0) {
1638 		(void) strlcpy(vbuf, cpu_info.pi_fputypes, PI_FPUTYPE);
1639 	}
1640 	return (PICL_SUCCESS);
1641 }
1642 
1643 /*
1644  * This function is the volatile read access function of CPU StateBegin
1645  * property. To minimize overhead, use kstat_chain_update() to refresh
1646  * the kstat header info as opposed to invoking kstat_open() every time.
1647  */
1648 static int
1649 get_pi_state_begin(ptree_rarg_t *rarg, void *vbuf)
1650 {
1651 	int 			err;
1652 	int			cpu_id;
1653 	static kstat_ctl_t	*kc = NULL;
1654 	static pthread_mutex_t	kc_mutex = PTHREAD_MUTEX_INITIALIZER;
1655 	kstat_t			*kp;
1656 	kstat_named_t		*kn;
1657 
1658 	err = get_int_propval_by_name(rarg->nodeh, PICL_PROP_ID, &cpu_id);
1659 	if (err != PICL_SUCCESS)
1660 		return (err);
1661 
1662 	(void) pthread_mutex_lock(&kc_mutex);
1663 	if (kc == NULL)
1664 		kc = kstat_open();
1665 	else if (kstat_chain_update(kc) == -1) {
1666 		(void) kstat_close(kc);
1667 		kc = kstat_open();
1668 	}
1669 
1670 	if (kc == NULL) {
1671 		(void) pthread_mutex_unlock(&kc_mutex);
1672 		return (PICL_FAILURE);
1673 	}
1674 
1675 	/* Get the state_begin from kstat */
1676 	if ((kp = kstat_lookup(kc, KSTAT_CPU_INFO, cpu_id, NULL)) == NULL ||
1677 	    kp->ks_type != KSTAT_TYPE_NAMED || kstat_read(kc, kp, 0) < 0) {
1678 		(void) pthread_mutex_unlock(&kc_mutex);
1679 		return (PICL_FAILURE);
1680 	}
1681 
1682 	kn = kstat_data_lookup(kp, KSTAT_STATE_BEGIN);
1683 	if (kn) {
1684 		*(uint64_t *)vbuf = (uint64_t)kn->value.l;
1685 		err = PICL_SUCCESS;
1686 	} else
1687 		err = PICL_FAILURE;
1688 
1689 	(void) pthread_mutex_unlock(&kc_mutex);
1690 	return (err);
1691 }
1692 
1693 /*
1694  * This function adds CPU information to the CPU nodes
1695  */
1696 /* ARGSUSED */
1697 static int
1698 add_processor_info(picl_nodehdl_t cpuh, void *args)
1699 {
1700 	int 			err;
1701 	int			cpu_id;
1702 	ptree_propinfo_t	propinfo;
1703 	ptree_propinfo_t	pinfo;
1704 
1705 	err = get_cpu_portid(cpuh, &cpu_id);
1706 	if (err != PICL_SUCCESS)
1707 		return (PICL_WALK_CONTINUE);
1708 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
1709 	    PICL_PTYPE_INT, PICL_READ, sizeof (int), PICL_PROP_ID, NULL, NULL);
1710 	err = ptree_create_and_add_prop(cpuh, &propinfo, &cpu_id, NULL);
1711 	if (err != PICL_SUCCESS)
1712 		return (PICL_WALK_CONTINUE);
1713 
1714 	(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
1715 	    PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), MAX_STATE_SIZE,
1716 	    PICL_PROP_STATE, get_pi_state, NULL);
1717 	(void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
1718 
1719 	(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
1720 	    PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_TYPELEN,
1721 	    PICL_PROP_PROCESSOR_TYPE, get_processor_type, NULL);
1722 	(void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
1723 
1724 	(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
1725 	    PICL_PTYPE_CHARSTRING, (PICL_READ|PICL_VOLATILE), PI_FPUTYPE,
1726 	    PICL_PROP_FPUTYPE, get_fputypes, NULL);
1727 	(void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
1728 
1729 	(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
1730 	    PICL_PTYPE_TIMESTAMP, PICL_READ|PICL_VOLATILE, sizeof (uint64_t),
1731 	    PICL_PROP_STATE_BEGIN, get_pi_state_begin, NULL);
1732 	(void) ptree_create_and_add_prop(cpuh, &pinfo, NULL, NULL);
1733 
1734 	return (PICL_WALK_CONTINUE);
1735 }
1736 
1737 /*
1738  * This function sets up the "ID" property in every CPU nodes
1739  * and adds processor info
1740  */
1741 static int
1742 setup_cpus(picl_nodehdl_t plafh)
1743 {
1744 	int 			err;
1745 
1746 	err = ptree_walk_tree_by_class(plafh, PICL_CLASS_CPU, NULL,
1747 	    add_processor_info);
1748 
1749 	return (err);
1750 }
1751 
1752 /*
1753  * This function format's the manufacture's information for FFB display
1754  * devices
1755  */
1756 static void
1757 fmt_manf_id(manuf_t manufid, int bufsz, char *outbuf)
1758 {
1759 	/*
1760 	 * Format the manufacturer's info.  Note a small inconsistency we
1761 	 * have to work around - Brooktree has it's part number in decimal,
1762 	 * while Mitsubishi has it's part number in hex.
1763 	 */
1764 	switch (manufid.fld.manf) {
1765 	case MANF_BROOKTREE:
1766 		(void) snprintf(outbuf, bufsz, "%s %d, version %d",
1767 		    "Brooktree", manufid.fld.partno, manufid.fld.version);
1768 		break;
1769 
1770 	case MANF_MITSUBISHI:
1771 		(void) snprintf(outbuf, bufsz, "%s %x, version %d",
1772 		    "Mitsubishi", manufid.fld.partno, manufid.fld.version);
1773 		break;
1774 
1775 	default:
1776 		(void) snprintf(outbuf, bufsz,
1777 		    "JED code %d, Part num 0x%x, version %d",
1778 		    manufid.fld.manf, manufid.fld.partno, manufid.fld.version);
1779 	}
1780 }
1781 
1782 /*
1783  * If it's an ffb device, open ffb devices and return PICL_SUCCESS
1784  */
1785 static int
1786 open_ffb_device(picl_nodehdl_t ffbh, int *fd)
1787 {
1788 	DIR 			*dirp;
1789 	char 			devfs_path[PATH_MAX];
1790 	char 			dev_path[PATH_MAX];
1791 	char 			*devp;
1792 	struct dirent 		*direntp;
1793 	int			err;
1794 	int			tmpfd;
1795 
1796 	/* Get the devfs_path of the ffb devices */
1797 	err = ptree_get_propval_by_name(ffbh, PICL_PROP_DEVFS_PATH, devfs_path,
1798 	    sizeof (devfs_path));
1799 	if (err != PICL_SUCCESS)
1800 		return (err);
1801 
1802 	/* Get the device node name */
1803 	devp = strrchr(devfs_path, '/');
1804 	if (devp == NULL)
1805 		return (PICL_FAILURE);
1806 	*devp = '\0';
1807 	++devp;
1808 
1809 	/*
1810 	 * Check if device node name has the ffb string
1811 	 * If not, assume it's not a ffb device.
1812 	 */
1813 	if (strstr(devp, FFB_NAME) == NULL)
1814 		return (PICL_FAILURE);
1815 
1816 	/*
1817 	 * Get the parent path of the ffb device node.
1818 	 */
1819 	(void) snprintf(dev_path, sizeof (dev_path), "%s/%s", "/devices",
1820 	    devfs_path);
1821 
1822 	/*
1823 	 * Since we don't know ffb's minor nodename,
1824 	 * we need to search all the devices under its
1825 	 * parent dir by comparing the node name
1826 	 */
1827 	if ((dirp = opendir(dev_path)) == NULL)
1828 		return (PICL_FAILURE);
1829 
1830 	while ((direntp = readdir(dirp)) != NULL) {
1831 		if (strstr(direntp->d_name, devp) != NULL) {
1832 			(void) strcat(dev_path, "/");
1833 			(void) strcat(dev_path, direntp->d_name);
1834 			tmpfd = open(dev_path, O_RDWR);
1835 			if (tmpfd < 0)
1836 				continue;
1837 			*fd = tmpfd;
1838 			(void) closedir(dirp);
1839 			return (PICL_SUCCESS);
1840 		}
1841 	}
1842 
1843 	(void) closedir(dirp);
1844 	return (PICL_FAILURE);
1845 }
1846 
1847 /*
1848  * This function recursively searches the tree for ffb display devices
1849  * and add ffb config information
1850  */
1851 static int
1852 add_ffb_config_info(picl_nodehdl_t rooth)
1853 {
1854 	picl_nodehdl_t		nodeh;
1855 	int			err;
1856 	char 			piclclass[PICL_CLASSNAMELEN_MAX];
1857 	char 			manfidbuf[FFB_MANUF_BUFSIZE];
1858 	int 			fd;
1859 	int			board_rev;
1860 	ffb_sys_info_t		fsi;
1861 	ptree_propinfo_t	pinfo;
1862 
1863 	for (err = ptree_get_propval_by_name(rooth, PICL_PROP_CHILD, &nodeh,
1864 	    sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
1865 		err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER,
1866 		    &nodeh, sizeof (picl_nodehdl_t))) {
1867 
1868 		if (err != PICL_SUCCESS)
1869 			return (err);
1870 
1871 		err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
1872 		    piclclass, PICL_CLASSNAMELEN_MAX);
1873 
1874 		if ((err == PICL_SUCCESS) &&
1875 		    (strcmp(piclclass, PICL_CLASS_DISPLAY) == 0)) {
1876 
1877 			err = open_ffb_device(nodeh, &fd);
1878 			if ((err == PICL_SUCCESS) &&
1879 			    (ioctl(fd, FFB_SYS_INFO, &fsi) >= 0)) {
1880 				(void) ptree_init_propinfo(&pinfo,
1881 				    PTREE_PROPINFO_VERSION,
1882 				    PICL_PTYPE_UNSIGNED_INT, PICL_READ,
1883 				    sizeof (int), PICL_PROP_FFB_BOARD_REV,
1884 				    NULL, NULL);
1885 				board_rev = fsi.ffb_strap_bits.fld.board_rev;
1886 				(void) ptree_create_and_add_prop(nodeh, &pinfo,
1887 				    &board_rev, NULL);
1888 
1889 				fmt_manf_id(fsi.dac_version,
1890 				    sizeof (manfidbuf), manfidbuf);
1891 				(void) ptree_init_propinfo(&pinfo,
1892 				    PTREE_PROPINFO_VERSION,
1893 				    PICL_PTYPE_CHARSTRING, PICL_READ,
1894 				    strlen(manfidbuf) + 1,
1895 				    PICL_PROP_FFB_DAC_VER, NULL, NULL);
1896 				(void) ptree_create_and_add_prop(nodeh, &pinfo,
1897 				    manfidbuf, NULL);
1898 
1899 				fmt_manf_id(fsi.fbram_version,
1900 				    sizeof (manfidbuf), manfidbuf);
1901 				(void) ptree_init_propinfo(&pinfo,
1902 				    PTREE_PROPINFO_VERSION,
1903 				    PICL_PTYPE_CHARSTRING, PICL_READ,
1904 				    strlen(manfidbuf) + 1,
1905 				    PICL_PROP_FFB_FBRAM_VER, NULL,
1906 				    NULL);
1907 				(void) ptree_create_and_add_prop(nodeh, &pinfo,
1908 				    manfidbuf, NULL);
1909 				(void) close(fd);
1910 			}
1911 		} else if (add_ffb_config_info(nodeh) != PICL_SUCCESS)
1912 			return (PICL_FAILURE);
1913 	}
1914 	return (PICL_SUCCESS);
1915 }
1916 
1917 static conf_entries_t *
1918 free_conf_entries(conf_entries_t *list)
1919 {
1920 	conf_entries_t	*el;
1921 	conf_entries_t	*del;
1922 
1923 	if (list == NULL)
1924 		return (NULL);
1925 	el = list;
1926 	while (el != NULL) {
1927 		del = el;
1928 		el = el->next;
1929 		free(del->name);
1930 		free(del->piclclass);
1931 		free(del);
1932 	}
1933 	return (el);
1934 }
1935 
1936 /*
1937  * Reading config order: platform, common
1938  */
1939 static conf_entries_t *
1940 read_conf_file(char *fname, conf_entries_t *list)
1941 {
1942 	FILE		*fp;
1943 	char		lbuf[CONFFILE_LINELEN_MAX];
1944 	char		*nametok;
1945 	char		*classtok;
1946 	conf_entries_t	*el;
1947 	conf_entries_t	*ptr;
1948 
1949 	if (fname == NULL)
1950 		return (list);
1951 
1952 	fp = fopen(fname, "r");
1953 
1954 	if (fp == NULL)
1955 		return (list);
1956 
1957 	while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) {
1958 		if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n'))
1959 			continue;
1960 
1961 		nametok = strtok(lbuf, " \t\n");
1962 		if (nametok == NULL)
1963 			continue;
1964 
1965 		classtok = strtok(NULL, " \t\n");
1966 		if (classtok == NULL)
1967 			continue;
1968 
1969 		el = malloc(sizeof (conf_entries_t));
1970 		if (el == NULL)
1971 			break;
1972 		el->name = strdup(nametok);
1973 		el->piclclass = strdup(classtok);
1974 		if ((el->name == NULL) || (el->piclclass == NULL)) {
1975 			free(el);
1976 			return (list);
1977 		}
1978 		el->next = NULL;
1979 
1980 		/*
1981 		 * Add it to the end of list
1982 		 */
1983 		if (list == NULL)
1984 			list = el;
1985 		else {
1986 			ptr = list;
1987 			while (ptr->next != NULL)
1988 				ptr = ptr->next;
1989 			ptr->next = el;
1990 		}
1991 
1992 	}
1993 	(void) fclose(fp);
1994 	return (list);
1995 }
1996 
1997 /*
1998  * Process the devtree conf file and set up the conf_name_class_map list
1999  */
2000 static void
2001 process_devtree_conf_file(void)
2002 {
2003 	char	nmbuf[SYS_NMLN];
2004 	char	pname[PATH_MAX];
2005 
2006 	conf_name_class_map = NULL;
2007 
2008 	if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) {
2009 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2010 		(void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX);
2011 		conf_name_class_map = read_conf_file(pname,
2012 		    conf_name_class_map);
2013 	}
2014 
2015 	if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) {
2016 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2017 		(void) strlcat(pname, DEVTREE_CONFFILE_NAME, PATH_MAX);
2018 		conf_name_class_map = read_conf_file(pname,
2019 		    conf_name_class_map);
2020 	}
2021 
2022 	(void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
2023 	    DEVTREE_CONFFILE_NAME);
2024 	conf_name_class_map = read_conf_file(pname, conf_name_class_map);
2025 }
2026 
2027 static	asr_conf_entries_t	*conf_name_asr_map = NULL;
2028 
2029 static void
2030 free_asr_conf_entries(asr_conf_entries_t *list) {
2031 	asr_conf_entries_t  *el;
2032 	asr_conf_entries_t  *del;
2033 
2034 	el = list;
2035 	while (el != NULL) {
2036 		del = el;
2037 		el = el->next;
2038 		if (del->name)
2039 			free(del->name);
2040 		if (del->address)
2041 			free(del->address);
2042 		if (del->status)
2043 			free(del->status);
2044 		if (del->piclclass)
2045 			free(del->piclclass);
2046 		if (del->props)
2047 			free(del->props);
2048 		free(del);
2049 	}
2050 }
2051 
2052 /*
2053  * Reading config order: platform, common
2054  */
2055 static asr_conf_entries_t *
2056 read_asr_conf_file(char *fname, asr_conf_entries_t *list)
2057 {
2058 	FILE		*fp;
2059 	char		lbuf[CONFFILE_LINELEN_MAX];
2060 	char		*nametok;
2061 	char		*classtok;
2062 	char		*statustok;
2063 	char		*addresstok;
2064 	char		*propstok;
2065 	asr_conf_entries_t	*el;
2066 	asr_conf_entries_t	*ptr;
2067 
2068 	if (fname == NULL)
2069 		return (list);
2070 
2071 	fp = fopen(fname, "r");
2072 	if (fp == NULL)
2073 		return (list);
2074 
2075 	while (fgets(lbuf, CONFFILE_LINELEN_MAX, fp) != NULL) {
2076 		if ((lbuf[0] == CONFFILE_COMMENT_CHAR) || (lbuf[0] == '\n'))
2077 			continue;
2078 
2079 		nametok = strtok(lbuf, " \t\n");
2080 		if (nametok == NULL)
2081 			continue;
2082 
2083 		classtok = strtok(NULL, " \t\n");
2084 		if (classtok == NULL)
2085 			continue;
2086 
2087 		statustok = strtok(NULL, " \t\n");
2088 		if (statustok == NULL)
2089 			continue;
2090 
2091 		addresstok = strtok(NULL, " \t\n");
2092 		if (addresstok == NULL)
2093 			continue;
2094 
2095 		/*
2096 		 * props are optional
2097 		 */
2098 		propstok = strtok(NULL, " \t\n");
2099 
2100 		el = malloc(sizeof (asr_conf_entries_t));
2101 		if (el == NULL)
2102 			break;
2103 		el->name = strdup(nametok);
2104 		el->piclclass = strdup(classtok);
2105 		el->status = strdup(statustok);
2106 		el->address = strdup(addresstok);
2107 		if (propstok != NULL)
2108 			el->props = strdup(propstok);
2109 		else
2110 			el->props = NULL;
2111 		if ((el->name == NULL) || (el->piclclass == NULL) ||
2112 		    (el->address == NULL) || (el->status == NULL)) {
2113 			if (el->name)
2114 				free(el->name);
2115 			if (el->address)
2116 				free(el->address);
2117 			if (el->status)
2118 				free(el->status);
2119 			if (el->piclclass)
2120 				free(el->piclclass);
2121 			if (el->props)
2122 				free(el->props);
2123 			free(el);
2124 			break;
2125 		}
2126 		el->next = NULL;
2127 
2128 		/*
2129 		 * Add it to the end of list
2130 		 */
2131 		if (list == NULL)
2132 			list = el;
2133 		else {
2134 			ptr = list;
2135 			while (ptr->next != NULL)
2136 				ptr = ptr->next;
2137 			ptr->next = el;
2138 		}
2139 
2140 	}
2141 	(void) fclose(fp);
2142 	return (list);
2143 }
2144 
2145 /*
2146  * Process the asr conf file
2147  */
2148 static void
2149 process_asrtree_conf_file(void)
2150 {
2151 	char	nmbuf[SYS_NMLN];
2152 	char	pname[PATH_MAX];
2153 
2154 	if (sysinfo(SI_PLATFORM, nmbuf, sizeof (nmbuf)) != -1) {
2155 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2156 		(void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX);
2157 		conf_name_asr_map = read_asr_conf_file(pname,
2158 			conf_name_asr_map);
2159 	}
2160 
2161 	if (sysinfo(SI_MACHINE, nmbuf, sizeof (nmbuf)) != -1) {
2162 		(void) snprintf(pname, PATH_MAX, PICLD_PLAT_PLUGIN_DIRF, nmbuf);
2163 		(void) strlcat(pname, ASRTREE_CONFFILE_NAME, PATH_MAX);
2164 		conf_name_asr_map = read_asr_conf_file(pname,
2165 			conf_name_asr_map);
2166 	}
2167 
2168 	(void) snprintf(pname, PATH_MAX, "%s/%s", PICLD_COMMON_PLUGIN_DIR,
2169 	    ASRTREE_CONFFILE_NAME);
2170 	conf_name_asr_map = read_asr_conf_file(pname, conf_name_asr_map);
2171 }
2172 
2173 /*
2174  * This function reads the export file list from ASR
2175  */
2176 static int
2177 get_asr_export_list(char **exportlist, int *exportlistlen)
2178 {
2179 	struct openpromio oppbuf;
2180 	struct openpromio *opp = &oppbuf;
2181 	int d;
2182 	int listsize;
2183 
2184 	d = open("/dev/openprom", O_RDWR);
2185 	if (d < 0)
2186 		return (0);
2187 
2188 	if (ioctl(d, OPROMEXPORTLEN, opp) == -1) {
2189 		(void) close(d);
2190 		return (0);
2191 	}
2192 	listsize = opp->oprom_size;
2193 	opp = (struct openpromio *)malloc(sizeof (struct openpromio) +
2194 	    listsize);
2195 	if (opp == NULL) {
2196 		(void) close(d);
2197 		return (0);
2198 	}
2199 	(void) memset(opp, '\0', sizeof (struct openpromio) + listsize);
2200 	opp->oprom_size = listsize;
2201 	if (ioctl(d, OPROMEXPORT, opp) == -1) {
2202 		free(opp);
2203 		(void) close(d);
2204 		return (0);
2205 	}
2206 	*exportlist = malloc(listsize);
2207 	if (*exportlist == NULL) {
2208 		free(opp);
2209 		(void) close(d);
2210 		return (0);
2211 	}
2212 	(void) memcpy(*exportlist, opp->oprom_array, opp->oprom_size);
2213 	free(opp);
2214 	*exportlistlen = opp->oprom_size;
2215 	(void) close(d);
2216 	return (1);
2217 }
2218 
2219 /*
2220  * Parses properties string, fills in triplet structure with first
2221  * type, name, val triplet and returns pointer to next property.
2222  * Returns NULL if no valid triplet found
2223  * CAUTION: drops \0 characters over separator characters: if you
2224  * want to parse the string twice, you'll have to take a copy.
2225  */
2226 static char *
2227 parse_props_string(char *props, asr_prop_triplet_t *triplet)
2228 {
2229 	char	*prop_name;
2230 	char	*prop_val;
2231 	char	*prop_next;
2232 
2233 	prop_name = strchr(props, '?');
2234 	if (prop_name == NULL)
2235 		return (NULL);
2236 	*prop_name++ = '\0';
2237 	prop_val = strchr(prop_name, '=');
2238 	if (prop_val == NULL)
2239 		return (NULL);
2240 	*prop_val++ = '\0';
2241 	triplet->proptype = props;
2242 	triplet->propname = prop_name;
2243 	triplet->propval = prop_val;
2244 	prop_next = strchr(prop_val, ':');
2245 	if (prop_next == NULL)
2246 		return (prop_val - 1);
2247 	*prop_next++ = '\0';
2248 	return (prop_next);
2249 }
2250 
2251 static int
2252 add_status_prop(picl_nodehdl_t chdh, char *status)
2253 {
2254 	ptree_propinfo_t	propinfo;
2255 	picl_prophdl_t		proph;
2256 	int			err;
2257 
2258 	err = ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2259 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(status) + 1,
2260 	    PICL_PROP_STATUS, NULL, NULL);
2261 	if (err != PICL_SUCCESS)
2262 		return (err);
2263 	err = ptree_create_and_add_prop(chdh, &propinfo, status, &proph);
2264 	return (err);
2265 }
2266 
2267 static void
2268 create_asr_node(char *parent, char *child, char *unitaddr, char *class,
2269 	char *status, char *props)
2270 {
2271 	char			ptreepath[PATH_MAX];
2272 	char			nodename[PICL_PROPNAMELEN_MAX];
2273 	char			ua[MAX_UNIT_ADDRESS_LEN];
2274 	char			*props_copy = NULL;
2275 	char			*next;
2276 	char			*prop_string;
2277 	boolean_t		found = B_FALSE;
2278 	picl_nodehdl_t		nodeh;
2279 	picl_nodehdl_t		chdh;
2280 	asr_prop_triplet_t	triple;
2281 	ptree_propinfo_t	propinfo;
2282 	picl_prophdl_t		proph;
2283 	int			val;
2284 	int			err;
2285 
2286 	(void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX);
2287 	(void) strlcat(ptreepath, parent, PATH_MAX);
2288 
2289 	if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS)
2290 		return;
2291 	/*
2292 	 * see if the required child node already exists
2293 	 */
2294 	for (err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh,
2295 	    sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2296 	    err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh,
2297 		    sizeof (picl_nodehdl_t))) {
2298 		if (err != PICL_SUCCESS)
2299 			break;
2300 		err = ptree_get_propval_by_name(chdh, PICL_PROP_NAME,
2301 		    (void *)nodename, PICL_PROPNAMELEN_MAX);
2302 		if (err != PICL_SUCCESS)
2303 			break;
2304 		if (strcmp(nodename, child) != 0)
2305 			continue;
2306 		/*
2307 		 * found a candidate child node
2308 		 */
2309 		if (unitaddr) {
2310 			/*
2311 			 * does it match the required unit address?
2312 			 */
2313 			err = ptree_get_propval_by_name(chdh,
2314 			    PICL_PROP_UNIT_ADDRESS, ua, sizeof (ua));
2315 			if (err == PICL_PROPNOTFOUND)
2316 				continue;
2317 			if (err != PICL_SUCCESS)
2318 				break;
2319 			if (strcmp(unitaddr, ua) != 0)
2320 				continue;
2321 		}
2322 		if (props == NULL) {
2323 			next = "";
2324 		} else if (props_copy == NULL) {
2325 			props_copy = strdup(props);
2326 			if (props_copy == NULL)
2327 				return;
2328 			next = props_copy;
2329 		}
2330 		while ((next = parse_props_string(next, &triple)) != NULL) {
2331 			err = ptree_get_prop_by_name(chdh, triple.propname,
2332 			    &proph);
2333 			if (err != PICL_SUCCESS)
2334 				break;
2335 			err = ptree_get_propinfo(proph, &propinfo);
2336 			if (err != PICL_SUCCESS)
2337 				break;
2338 			err = PICL_FAILURE;
2339 			switch (propinfo.piclinfo.type) {
2340 			case PICL_PTYPE_INT:
2341 			case PICL_PTYPE_UNSIGNED_INT:
2342 				if (strcmp(triple.proptype, "I") != 0)
2343 					break;
2344 				err = ptree_get_propval(proph, (void  *)&val,
2345 				    sizeof (val));
2346 				if (err != PICL_SUCCESS)
2347 					break;
2348 				if (val != atoi(triple.propval))
2349 					err = PICL_FAILURE;
2350 				break;
2351 			case PICL_PTYPE_CHARSTRING:
2352 				if (strcmp(triple.proptype, "S") != 0)
2353 					break;
2354 				prop_string = malloc(propinfo.piclinfo.size);
2355 				if (prop_string == NULL)
2356 					break;
2357 				err = ptree_get_propval(proph,
2358 				    (void *)prop_string,
2359 				    propinfo.piclinfo.size);
2360 				if (err != PICL_SUCCESS) {
2361 					free(prop_string);
2362 					break;
2363 				}
2364 				if (strcmp(prop_string, triple.propval) != 0)
2365 					err = PICL_FAILURE;
2366 				free(prop_string);
2367 				break;
2368 			default:
2369 				break;
2370 			}
2371 			if (err != PICL_SUCCESS) {
2372 				break;
2373 			}
2374 		}
2375 		if (next == NULL) {
2376 			found = B_TRUE;
2377 			break;
2378 		}
2379 	}
2380 	if (props_copy)
2381 		free(props_copy);
2382 	if (found) {
2383 		/*
2384 		 * does the pre-existing node have a status property?
2385 		 */
2386 		err = ptree_get_propval_by_name(chdh, PICL_PROP_STATUS,
2387 		    ua, sizeof (ua));
2388 		if (err == PICL_PROPNOTFOUND)
2389 			(void) add_status_prop(chdh, status);
2390 		if (err != PICL_SUCCESS)
2391 			return;
2392 		if ((strcmp(ua, ASR_DISABLED) == 0) ||
2393 		    (strcmp(ua, ASR_FAILED) == 0) ||
2394 		    ((strcmp(status, ASR_DISABLED) != 0) &&
2395 		    (strcmp(status, ASR_FAILED) != 0))) {
2396 			return;
2397 		}
2398 		/*
2399 		 * more urgent status now, so replace existing value
2400 		 */
2401 		err = ptree_get_prop_by_name(chdh, PICL_PROP_STATUS, &proph);
2402 		if (err != PICL_SUCCESS)
2403 			return;
2404 		(void) ptree_delete_prop(proph);
2405 		(void) ptree_destroy_prop(proph);
2406 		err = add_status_prop(chdh, status);
2407 		if (err != PICL_SUCCESS)
2408 			return;
2409 		return;
2410 	}
2411 
2412 	/*
2413 	 * typical case, node needs adding together with a set of properties
2414 	 */
2415 	if (ptree_create_and_add_node(nodeh, child, class, &chdh) ==
2416 	    PICL_SUCCESS) {
2417 		(void) add_status_prop(chdh, status);
2418 		if (unitaddr) {
2419 			(void) ptree_init_propinfo(&propinfo,
2420 			    PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING,
2421 			    PICL_READ, strlen(unitaddr) + 1,
2422 			    PICL_PROP_UNIT_ADDRESS, NULL, NULL);
2423 			(void) ptree_create_and_add_prop(chdh, &propinfo,
2424 			    unitaddr, &proph);
2425 			(void) strlcpy(ptreepath, parent, PATH_MAX);
2426 			(void) strlcat(ptreepath, "/", PATH_MAX);
2427 			(void) strlcat(ptreepath, child, PATH_MAX);
2428 			(void) strlcat(ptreepath, "@", PATH_MAX);
2429 			(void) strlcat(ptreepath, unitaddr, PATH_MAX);
2430 			(void) ptree_init_propinfo(&propinfo,
2431 			    PTREE_PROPINFO_VERSION, PICL_PTYPE_CHARSTRING,
2432 			    PICL_READ, strlen(ptreepath) + 1,
2433 			    PICL_PROP_DEVFS_PATH, NULL, NULL);
2434 			(void) ptree_create_and_add_prop(chdh, &propinfo,
2435 			    ptreepath, &proph);
2436 		}
2437 		next = props;
2438 		while ((next = parse_props_string(next, &triple)) != NULL) {
2439 			/*
2440 			 * only handle int and string properties for
2441 			 * simplicity
2442 			 */
2443 			if (strcmp(triple.proptype, "I") == 0) {
2444 				(void) ptree_init_propinfo(&propinfo,
2445 				    PTREE_PROPINFO_VERSION,
2446 				    PICL_PTYPE_INT, PICL_READ,
2447 				    sizeof (int), triple.propname, NULL, NULL);
2448 				val = atoi(triple.propval);
2449 				(void) ptree_create_and_add_prop(chdh,
2450 				    &propinfo, &val, &proph);
2451 			} else {
2452 				(void) ptree_init_propinfo(&propinfo,
2453 				    PTREE_PROPINFO_VERSION,
2454 				    PICL_PTYPE_CHARSTRING, PICL_READ,
2455 				    strlen(triple.propval) + 1,
2456 					triple.propname, NULL, NULL);
2457 				(void) ptree_create_and_add_prop(chdh,
2458 				    &propinfo, triple.propval, &proph);
2459 			}
2460 		}
2461 	}
2462 }
2463 
2464 static void
2465 add_asr_nodes()
2466 {
2467 	char			*asrexport;
2468 	int			asrexportlen;
2469 	asr_conf_entries_t	*c = NULL;
2470 	int			i;
2471 	char			*key;
2472 	char			*child;
2473 	char			*unitaddr;
2474 	uint16_t		count;
2475 	int			disabled;
2476 
2477 	if (get_asr_export_list(&asrexport, &asrexportlen) == 0)
2478 		return;
2479 	process_asrtree_conf_file();
2480 	if (conf_name_asr_map == NULL)
2481 		return;
2482 	i = 0;
2483 	while (i < asrexportlen) {
2484 		key = &asrexport[i];
2485 		i += strlen(key) + 1;
2486 		if (i >= asrexportlen)
2487 			break;
2488 
2489 		/*
2490 		 * next byte tells us whether failed by diags or manually
2491 		 * disabled
2492 		 */
2493 		disabled = asrexport[i];
2494 		i++;
2495 		if (i >= asrexportlen)
2496 			break;
2497 
2498 		/*
2499 		 * only type 1 supported
2500 		 */
2501 		if (asrexport[i] != 1)
2502 			break;
2503 		i++;
2504 		if (i >= asrexportlen)
2505 			break;
2506 
2507 		/*
2508 		 * next two bytes give size of reason string
2509 		 */
2510 		count = (asrexport[i] << 8) | asrexport[i + 1];
2511 		i += count + 2;
2512 		if (i > asrexportlen)
2513 			break;
2514 
2515 		/*
2516 		 * now look for key in conf file info
2517 		 */
2518 		c = conf_name_asr_map;
2519 		while (c != NULL) {
2520 			if (strcmp(key, c->name) == 0) {
2521 				child = strrchr(c->address, '/');
2522 				*child++ = '\0';
2523 				unitaddr = strchr(child, '@');
2524 				if (unitaddr)
2525 					*unitaddr++ = '\0';
2526 				if (strcmp(c->status, ASR_DISABLED) == 0) {
2527 					create_asr_node(c->address, child,
2528 					    unitaddr, c->piclclass, disabled ?
2529 					    ASR_DISABLED : ASR_FAILED,
2530 					    c->props);
2531 				} else {
2532 					create_asr_node(c->address, child,
2533 					    unitaddr, c->piclclass, c->status,
2534 					    c->props);
2535 				}
2536 			}
2537 			c = c->next;
2538 		}
2539 	}
2540 
2541 	free_asr_conf_entries(conf_name_asr_map);
2542 	free(asrexport);
2543 }
2544 
2545 /*
2546  * This function adds information to the /platform node
2547  */
2548 static int
2549 add_platform_info(picl_nodehdl_t plafh)
2550 {
2551 	struct utsname		uts_info;
2552 	int			err;
2553 	ptree_propinfo_t	propinfo;
2554 	picl_prophdl_t		proph;
2555 
2556 	if (uname(&uts_info) < 0)
2557 		return (PICL_FAILURE);
2558 
2559 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2560 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.sysname) + 1,
2561 	    PICL_PROP_SYSNAME, NULL, NULL);
2562 	err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.sysname,
2563 	    &proph);
2564 	if (err != PICL_SUCCESS)
2565 		return (err);
2566 
2567 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2568 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.nodename) + 1,
2569 	    PICL_PROP_NODENAME, NULL, NULL);
2570 	err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.nodename,
2571 	    &proph);
2572 	if (err != PICL_SUCCESS)
2573 		return (err);
2574 
2575 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2576 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.release) + 1,
2577 	    PICL_PROP_RELEASE, NULL, NULL);
2578 	err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.release,
2579 	    &proph);
2580 	if (err != PICL_SUCCESS)
2581 		return (err);
2582 
2583 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2584 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.version) + 1,
2585 	    PICL_PROP_VERSION, NULL, NULL);
2586 	err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.version,
2587 	    &proph);
2588 	if (err != PICL_SUCCESS)
2589 		return (err);
2590 
2591 	(void) ptree_init_propinfo(&propinfo, PTREE_PROPINFO_VERSION,
2592 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(uts_info.machine) + 1,
2593 	    PICL_PROP_MACHINE, NULL, NULL);
2594 	err = ptree_create_and_add_prop(plafh, &propinfo, uts_info.machine,
2595 	    &proph);
2596 	return (err);
2597 }
2598 
2599 /*
2600  * Get first 32-bit value from the reg property
2601  */
2602 static int
2603 get_first_reg_word(picl_nodehdl_t nodeh, uint32_t *regval)
2604 {
2605 	int			err;
2606 	uint32_t		*regbuf;
2607 	picl_prophdl_t  	regh;
2608 	ptree_propinfo_t	pinfo;
2609 
2610 	err = ptree_get_prop_by_name(nodeh, OBP_REG, &regh);
2611 	if (err != PICL_SUCCESS) 	/* no reg property */
2612 		return (err);
2613 	err = ptree_get_propinfo(regh, &pinfo);
2614 	if (err != PICL_SUCCESS)
2615 		return (err);
2616 	if (pinfo.piclinfo.size < sizeof (uint32_t)) /* too small */
2617 		return (PICL_FAILURE);
2618 	regbuf = alloca(pinfo.piclinfo.size);
2619 	if (regbuf == NULL)
2620 		return (PICL_FAILURE);
2621 	err = ptree_get_propval(regh, regbuf, pinfo.piclinfo.size);
2622 	if (err != PICL_SUCCESS)
2623 		return (err);
2624 	*regval = *regbuf;	/* get first 32-bit value */
2625 	return (PICL_SUCCESS);
2626 }
2627 
2628 /*
2629  * Get device ID from the reg property
2630  */
2631 static int
2632 get_device_id(picl_nodehdl_t nodeh, uint32_t *dev_id)
2633 {
2634 	int			err;
2635 	uint32_t		regval;
2636 
2637 	err = get_first_reg_word(nodeh, &regval);
2638 	if (err != PICL_SUCCESS)
2639 		return (err);
2640 
2641 	*dev_id = PCI_DEVICE_ID(regval);
2642 	return (PICL_SUCCESS);
2643 }
2644 
2645 /*
2646  * add Slot property for children of SBUS node
2647  */
2648 /* ARGSUSED */
2649 static int
2650 add_sbus_slots(picl_nodehdl_t pcih, void *args)
2651 {
2652 	picl_nodehdl_t		nodeh;
2653 	uint32_t		slot;
2654 	int			err;
2655 	ptree_propinfo_t	pinfo;
2656 
2657 	for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
2658 	    sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2659 		err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
2660 		    sizeof (picl_nodehdl_t))) {
2661 		if (err != PICL_SUCCESS)
2662 			return (err);
2663 
2664 		if (get_first_reg_word(nodeh, &slot) != 0)
2665 			continue;
2666 		(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2667 		    PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t),
2668 		    PICL_PROP_SLOT, NULL, NULL);
2669 		(void) ptree_create_and_add_prop(nodeh, &pinfo, &slot, NULL);
2670 	}
2671 
2672 	return (PICL_WALK_CONTINUE);
2673 }
2674 
2675 /*
2676  * This function creates a Slot property for SBUS child nodes
2677  * which can be correlated with the slot they are plugged into
2678  * on the motherboard.
2679  */
2680 static int
2681 set_sbus_slot(picl_nodehdl_t plafh)
2682 {
2683 	int		err;
2684 
2685 	err = ptree_walk_tree_by_class(plafh, PICL_CLASS_SBUS, NULL,
2686 	    add_sbus_slots);
2687 
2688 	return (err);
2689 }
2690 
2691 /*
2692  * add DeviceID property for children of PCI node
2693  */
2694 /* ARGSUSED */
2695 static int
2696 add_pci_deviceids(picl_nodehdl_t pcih, void *args)
2697 {
2698 	picl_nodehdl_t		nodeh;
2699 	uint32_t		dev_id;
2700 	int			err;
2701 	ptree_propinfo_t	pinfo;
2702 
2703 	for (err = ptree_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
2704 	    sizeof (picl_nodehdl_t)); err != PICL_PROPNOTFOUND;
2705 		err = ptree_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
2706 		    sizeof (picl_nodehdl_t))) {
2707 		if (err != PICL_SUCCESS)
2708 			return (err);
2709 
2710 		if (get_device_id(nodeh, &dev_id) != 0)
2711 			continue;
2712 		(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2713 		    PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (uint32_t),
2714 		    PICL_PROP_DEVICE_ID, NULL, NULL);
2715 		(void) ptree_create_and_add_prop(nodeh, &pinfo, &dev_id, NULL);
2716 	}
2717 
2718 	return (PICL_WALK_CONTINUE);
2719 }
2720 
2721 /*
2722  * This function creates a DeviceID property for PCI child nodes
2723  * which can be correlated with the slot they are plugged into
2724  * on the motherboard.
2725  */
2726 static int
2727 set_pci_deviceid(picl_nodehdl_t plafh)
2728 {
2729 	int		err;
2730 
2731 	err = ptree_walk_tree_by_class(plafh, PICL_CLASS_PCI, NULL,
2732 	    add_pci_deviceids);
2733 
2734 	return (err);
2735 }
2736 
2737 /*
2738  * Default UnitAddress encode function
2739  */
2740 static int
2741 encode_default_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
2742 {
2743 	int	i, len;
2744 
2745 	/*
2746 	 * Encode UnitAddress as %a,%b,%c,...,%n
2747 	 */
2748 	if (addrcells < 1)
2749 		return (-1);
2750 
2751 	len = snprintf(buf, sz, "%x", *regprop);
2752 	for (i = 1; i < addrcells && len < sz; i++)
2753 		len += snprintf(&buf[len], sz-len, ",%x", regprop[i]);
2754 
2755 	return ((len >= sz) ? -1 : 0);
2756 }
2757 
2758 /*
2759  * UnitAddress encode function where the last component is not printed
2760  * unless non-zero.
2761  */
2762 static int
2763 encode_optional_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
2764 {
2765 	int	retval;
2766 
2767 	/*
2768 	 * Encode UnitAddress as %a,%b,%c,...,%n where the last component
2769 	 * is printed only if non-zero.
2770 	 */
2771 	if (addrcells > 1 && regprop[addrcells-1] == 0)
2772 		retval = encode_default_unitaddr(buf, sz, regprop, addrcells-1);
2773 	else
2774 		retval = encode_default_unitaddr(buf, sz, regprop, addrcells);
2775 
2776 	return (retval);
2777 }
2778 
2779 
2780 /*
2781  * UnitAddress encode function for SCSI class of devices
2782  */
2783 static int
2784 encode_scsi_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
2785 {
2786 	int	len, retval;
2787 
2788 	/*
2789 	 * #address-cells	Format
2790 	 *	2		second component printed only if non-zero
2791 	 *
2792 	 *	4		regprop:   phys_hi phys_lo lun_hi lun_lo
2793 	 *			UnitAddr:  w<phys_hi><phys_lo>,<lun_lo>
2794 	 */
2795 
2796 	if (addrcells == 2) {
2797 		retval = encode_optional_unitaddr(buf, sz, regprop, addrcells);
2798 	} else if (addrcells == 4) {
2799 		len = snprintf(buf, sz, "w%08x%08x,%x", regprop[0], regprop[1],
2800 		    regprop[3]);
2801 		retval = (len >= sz) ? -1 : 0;
2802 	} else
2803 		retval = -1;
2804 
2805 	return (retval);
2806 }
2807 
2808 /*
2809  * UnitAddress encode function for UPA devices
2810  */
2811 static int
2812 encode_upa_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
2813 {
2814 	int	len;
2815 
2816 	if (addrcells != 2)
2817 		return (-1);
2818 
2819 	len = snprintf(buf, sz, "%x,%x", (regprop[0]/2)&0x1f, regprop[1]);
2820 	return ((len >= sz) ? -1 : 0);
2821 }
2822 
2823 /*
2824  * UnitAddress encode function for GPTWO, JBUS devices
2825  */
2826 static int
2827 encode_gptwo_jbus_unitaddr(char *buf, int sz, uint32_t *regprop,
2828     uint_t addrcells)
2829 {
2830 	uint32_t	hi, lo;
2831 	int		len, id, off;
2832 
2833 	if (addrcells != 2)
2834 		return (-1);
2835 
2836 	hi = regprop[0];
2837 	lo = regprop[1];
2838 
2839 	if (hi & 0x400) {
2840 		id = ((hi & 0x1) << 9) | (lo >> 23);	/* agent id */
2841 		off = lo & 0x7fffff;			/* config offset */
2842 		len = snprintf(buf, sz, "%x,%x", id, off);
2843 	} else {
2844 		len = snprintf(buf, sz, "m%x,%x", hi, lo);
2845 	}
2846 	return ((len >= sz) ? -1 : 0);
2847 }
2848 
2849 /*
2850  * UnitAddress encode function for PCI devices
2851  */
2852 static int
2853 encode_pci_unitaddr(char *buf, int sz, uint32_t *regprop, uint_t addrcells)
2854 {
2855 	typedef struct {
2856 		uint32_t	n:1,		/* relocatable */
2857 				p:1,		/* prefetchable */
2858 				t:1,		/* address region aliases */
2859 				zero:3,		/* must be zero */
2860 				ss:2,		/* address space type */
2861 				bus:8,		/* bus number */
2862 				dev:5,		/* device number */
2863 				fn:3,		/* function number */
2864 				reg:8;		/* register number */
2865 		uint32_t	phys_hi;	/* high physical address */
2866 		uint32_t	phys_lo;	/* low physical address */
2867 	} pci_addrcell_t;
2868 
2869 	pci_addrcell_t	*p;
2870 	int		len;
2871 
2872 	if (addrcells != 3)
2873 		return (-1);
2874 
2875 	p = (pci_addrcell_t *)regprop;
2876 	switch (p->ss) {
2877 	case 0:		/* Config */
2878 		if (p->fn)
2879 			len = snprintf(buf, sz, "%x,%x", p->dev, p->fn);
2880 		else
2881 			len = snprintf(buf, sz, "%x", p->dev);
2882 		break;
2883 	case 1:		/* IO */
2884 		len = snprintf(buf, sz, "i%x,%x,%x,%x", p->dev, p->fn, p->reg,
2885 		    p->phys_lo);
2886 		break;
2887 	case 2:		/* Mem32 */
2888 		len = snprintf(buf, sz, "m%x,%x,%x,%x", p->dev, p->fn, p->reg,
2889 		    p->phys_lo);
2890 		break;
2891 	case 3:		/* Mem64 */
2892 		len = snprintf(buf, sz, "x%x,%x,%x,%x%08x", p->dev, p->fn,
2893 		    p->reg, p->phys_hi, p->phys_lo);
2894 		break;
2895 	}
2896 	return ((len >= sz) ? -1 : 0);
2897 }
2898 
2899 /*
2900  * Get #address-cells property value
2901  */
2902 static uint_t
2903 get_addrcells_prop(picl_nodehdl_t nodeh)
2904 {
2905 	int			len, err;
2906 	uint32_t		addrcells;
2907 	ptree_propinfo_t	pinfo;
2908 	picl_prophdl_t		proph;
2909 
2910 	/*
2911 	 * Get #address-cells property.  If not present, use default value.
2912 	 */
2913 	err = ptree_get_prop_by_name(nodeh, OBP_PROP_ADDRESS_CELLS, &proph);
2914 	if (err == PICL_SUCCESS)
2915 		err = ptree_get_propinfo(proph, &pinfo);
2916 
2917 	len = pinfo.piclinfo.size;
2918 	if (err == PICL_SUCCESS && len >= sizeof (uint8_t) &&
2919 	    len <= sizeof (addrcells)) {
2920 		err = ptree_get_propval(proph, &addrcells, len);
2921 		if (err == PICL_SUCCESS) {
2922 			if (len == sizeof (uint8_t))
2923 				addrcells = *(uint8_t *)&addrcells;
2924 			else if (len == sizeof (uint16_t))
2925 				addrcells = *(uint16_t *)&addrcells;
2926 		} else
2927 			addrcells = DEFAULT_ADDRESS_CELLS;
2928 	} else
2929 		addrcells = DEFAULT_ADDRESS_CELLS;
2930 
2931 	return (addrcells);
2932 }
2933 
2934 /*
2935  * Get UnitAddress mapping entry for a node
2936  */
2937 static unitaddr_map_t *
2938 get_unitaddr_mapping(picl_nodehdl_t nodeh)
2939 {
2940 	int		err;
2941 	unitaddr_map_t	*uamap;
2942 	char		clname[PICL_CLASSNAMELEN_MAX];
2943 
2944 	/*
2945 	 * Get my classname and locate a function to translate "reg" prop
2946 	 * into "UnitAddress" prop for my children.
2947 	 */
2948 	err = ptree_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME, clname,
2949 	    sizeof (clname));
2950 	if (err != PICL_SUCCESS)
2951 		(void) strcpy(clname, "");	/* NULL class name */
2952 
2953 	for (uamap = &unitaddr_map_table[0]; uamap->class != NULL; uamap++)
2954 		if (strcmp(clname, uamap->class) == 0)
2955 			break;
2956 
2957 	return (uamap);
2958 }
2959 
2960 /*
2961  * Add UnitAddress property to the specified node
2962  */
2963 static int
2964 add_unitaddr_prop(picl_nodehdl_t nodeh, unitaddr_map_t *uamap, uint_t addrcells)
2965 {
2966 	int			regproplen, err;
2967 	uint32_t		*regbuf;
2968 	picl_prophdl_t		regh;
2969 	ptree_propinfo_t	pinfo;
2970 	char			unitaddr[MAX_UNIT_ADDRESS_LEN];
2971 
2972 	err = ptree_get_prop_by_name(nodeh, OBP_REG, &regh);
2973 	if (err != PICL_SUCCESS)
2974 		return (err);
2975 
2976 	err = ptree_get_propinfo(regh, &pinfo);
2977 	if (err != PICL_SUCCESS)
2978 		return (PICL_FAILURE);
2979 
2980 	if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t)))
2981 		return (PICL_FAILURE);
2982 
2983 	regproplen = pinfo.piclinfo.size;
2984 	regbuf = alloca(regproplen);
2985 	if (regbuf == NULL)
2986 		return (PICL_FAILURE);
2987 
2988 	err = ptree_get_propval(regh, regbuf, regproplen);
2989 	if (err != PICL_SUCCESS || uamap->func == NULL ||
2990 	    (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) ||
2991 	    (uamap->func)(unitaddr, sizeof (unitaddr), regbuf,
2992 	    addrcells) != 0) {
2993 		return (PICL_FAILURE);
2994 	}
2995 
2996 	err = ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
2997 	    PICL_PTYPE_CHARSTRING, PICL_READ, strlen(unitaddr)+1,
2998 	    PICL_PROP_UNIT_ADDRESS, NULL, NULL);
2999 	if (err == PICL_SUCCESS)
3000 		err = ptree_create_and_add_prop(nodeh, &pinfo, unitaddr, NULL);
3001 
3002 	return (err);
3003 }
3004 
3005 /*
3006  * work out UnitAddress property of the specified node
3007  */
3008 static int
3009 get_unitaddr(picl_nodehdl_t parh, picl_nodehdl_t nodeh, char *unitaddr,
3010     size_t ualen)
3011 {
3012 	int			regproplen, err;
3013 	uint32_t		*regbuf;
3014 	picl_prophdl_t		regh;
3015 	ptree_propinfo_t	pinfo;
3016 	unitaddr_map_t		*uamap;
3017 	uint32_t		addrcells;
3018 
3019 	addrcells = get_addrcells_prop(parh);
3020 	uamap = get_unitaddr_mapping(parh);
3021 
3022 	err = ptree_get_prop_by_name(nodeh, OBP_REG, &regh);
3023 	if (err != PICL_SUCCESS)
3024 		return (err);
3025 
3026 	err = ptree_get_propinfo(regh, &pinfo);
3027 	if (err != PICL_SUCCESS)
3028 		return (err);
3029 
3030 	if (pinfo.piclinfo.size < (addrcells * sizeof (uint32_t)))
3031 		return (PICL_FAILURE);
3032 
3033 	regproplen = pinfo.piclinfo.size;
3034 	regbuf = alloca(regproplen);
3035 	if (regbuf == NULL)
3036 		return (PICL_FAILURE);
3037 
3038 	err = ptree_get_propval(regh, regbuf, regproplen);
3039 	if (err != PICL_SUCCESS || uamap->func == NULL ||
3040 	    (uamap->addrcellcnt && uamap->addrcellcnt != addrcells) ||
3041 	    (uamap->func)(unitaddr, ualen, regbuf, addrcells) != 0) {
3042 		return (PICL_FAILURE);
3043 	}
3044 	return (PICL_SUCCESS);
3045 }
3046 
3047 /*
3048  * Add UnitAddress property to all children of the specified node
3049  */
3050 static int
3051 add_unitaddr_prop_to_subtree(picl_nodehdl_t nodeh)
3052 {
3053 	int			err;
3054 	picl_nodehdl_t		chdh;
3055 	unitaddr_map_t		*uamap;
3056 	uint32_t		addrcells;
3057 
3058 	/*
3059 	 * Get #address-cells and unit address mapping entry for my
3060 	 * node's class
3061 	 */
3062 	addrcells = get_addrcells_prop(nodeh);
3063 	uamap = get_unitaddr_mapping(nodeh);
3064 
3065 	/*
3066 	 * Add UnitAddress property to my children and their subtree
3067 	 */
3068 	err = ptree_get_propval_by_name(nodeh, PICL_PROP_CHILD, &chdh,
3069 	    sizeof (picl_nodehdl_t));
3070 
3071 	while (err == PICL_SUCCESS) {
3072 		(void) add_unitaddr_prop(chdh, uamap, addrcells);
3073 		(void) add_unitaddr_prop_to_subtree(chdh);
3074 
3075 		err = ptree_get_propval_by_name(chdh, PICL_PROP_PEER, &chdh,
3076 		    sizeof (picl_nodehdl_t));
3077 	}
3078 
3079 	return (PICL_SUCCESS);
3080 }
3081 
3082 static int
3083 update_memory_size_prop(picl_nodehdl_t plafh)
3084 {
3085 	picl_nodehdl_t		memh;
3086 	picl_prophdl_t		proph;
3087 	ptree_propinfo_t	pinfo;
3088 	int			err, nspecs, snum, pval;
3089 	char			*regbuf;
3090 	memspecs_t		*mspecs;
3091 	uint64_t		memsize;
3092 
3093 	/*
3094 	 * check if the #size-cells of the platform node is 2
3095 	 */
3096 	err = ptree_get_propval_by_name(plafh, OBP_PROP_SIZE_CELLS, &pval,
3097 		sizeof (pval));
3098 
3099 	if (err == PICL_PROPNOTFOUND)
3100 		pval = SUPPORTED_NUM_CELL_SIZE;
3101 	else if (err != PICL_SUCCESS)
3102 		return (err);
3103 
3104 	/*
3105 	 * don't know how to handle other vals
3106 	 */
3107 	if (pval != SUPPORTED_NUM_CELL_SIZE)
3108 		return (PICL_FAILURE);
3109 
3110 	err = ptree_get_node_by_path(MEMORY_PATH, &memh);
3111 	if (err != PICL_SUCCESS)
3112 		return (err);
3113 
3114 	/*
3115 	 * Get the REG property to calculate the size of memory
3116 	 */
3117 	err = ptree_get_prop_by_name(memh, OBP_REG, &proph);
3118 	if (err != PICL_SUCCESS)
3119 		return (err);
3120 
3121 	err = ptree_get_propinfo(proph, &pinfo);
3122 	if (err != PICL_SUCCESS)
3123 		return (err);
3124 
3125 	regbuf = alloca(pinfo.piclinfo.size);
3126 	if (regbuf == NULL)
3127 		return (PICL_FAILURE);
3128 
3129 	err = ptree_get_propval(proph, regbuf, pinfo.piclinfo.size);
3130 	if (err != PICL_SUCCESS)
3131 		return (err);
3132 
3133 	mspecs = (memspecs_t *)regbuf;
3134 	nspecs = pinfo.piclinfo.size / sizeof (memspecs_t);
3135 
3136 	memsize = 0;
3137 	for (snum = 0; snum < nspecs; ++snum)
3138 		memsize += mspecs[snum].size;
3139 
3140 	err = ptree_get_prop_by_name(memh, PICL_PROP_SIZE, &proph);
3141 	if (err == PICL_SUCCESS) {
3142 		err = ptree_update_propval(proph, &memsize, sizeof (memsize));
3143 		return (err);
3144 	}
3145 
3146 	/*
3147 	 * Add the size property
3148 	 */
3149 	(void) ptree_init_propinfo(&pinfo, PTREE_PROPINFO_VERSION,
3150 		PICL_PTYPE_UNSIGNED_INT, PICL_READ, sizeof (memsize),
3151 		PICL_PROP_SIZE, NULL, NULL);
3152 	err = ptree_create_and_add_prop(memh, &pinfo, &memsize, NULL);
3153 	return (err);
3154 }
3155 
3156 /*
3157  * This function is executed as part of .init when the plugin is
3158  * dlopen()ed
3159  */
3160 static void
3161 picldevtree_register(void)
3162 {
3163 	if (getenv(SUNW_PICLDEVTREE_PLUGIN_DEBUG))
3164 		picldevtree_debug = 1;
3165 	(void) picld_plugin_register(&my_reg_info);
3166 }
3167 
3168 /*
3169  * This function is the init entry point of the plugin.
3170  * It initializes the /platform tree based on libdevinfo
3171  */
3172 static void
3173 picldevtree_init(void)
3174 {
3175 	picl_nodehdl_t	rhdl;
3176 	int		err;
3177 	struct utsname	utsname;
3178 	picl_nodehdl_t	plafh;
3179 
3180 	if (uname(&utsname) < 0)
3181 		return;
3182 
3183 	(void) strcpy(mach_name, utsname.machine);
3184 
3185 	if (strcmp(mach_name, "sun4u") == 0) {
3186 		builtin_map_ptr = sun4u_map;
3187 		builtin_map_size = sizeof (sun4u_map) / sizeof (builtin_map_t);
3188 	} else if (strcmp(mach_name, "i86pc") == 0) {
3189 		builtin_map_ptr = i86pc_map;
3190 		builtin_map_size = sizeof (i86pc_map) / sizeof (builtin_map_t);
3191 	} else {
3192 		builtin_map_ptr = NULL;
3193 		builtin_map_size = 0;
3194 	}
3195 
3196 	err = ptree_get_root(&rhdl);
3197 	if (err != PICL_SUCCESS) {
3198 		syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED);
3199 		return;
3200 	}
3201 
3202 	process_devtree_conf_file();
3203 
3204 	if (libdevinfo_init(rhdl) != PICL_SUCCESS) {
3205 		syslog(LOG_ERR, DEVINFO_PLUGIN_INIT_FAILED);
3206 		return;
3207 	}
3208 
3209 	err = ptree_get_node_by_path(PLATFORM_PATH, &plafh);
3210 	if (err != PICL_SUCCESS)
3211 		return;
3212 
3213 	(void) add_unitaddr_prop_to_subtree(plafh);
3214 
3215 	add_asr_nodes();
3216 
3217 	(void) update_memory_size_prop(plafh);
3218 
3219 	(void) setup_cpus(plafh);
3220 
3221 	(void) add_ffb_config_info(plafh);
3222 
3223 	(void) add_platform_info(plafh);
3224 
3225 	(void) set_pci_deviceid(plafh);
3226 
3227 	(void) set_sbus_slot(plafh);
3228 
3229 	(void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED,
3230 	    picldevtree_evhandler, NULL);
3231 	(void) ptree_register_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED,
3232 	    picldevtree_evhandler, NULL);
3233 }
3234 
3235 /*
3236  * This function is the fini entry point of the plugin
3237  */
3238 static void
3239 picldevtree_fini(void)
3240 {
3241 	/* First unregister the event handlers */
3242 	(void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_ADDED,
3243 	    picldevtree_evhandler, NULL);
3244 	(void) ptree_unregister_handler(PICLEVENT_SYSEVENT_DEVICE_REMOVED,
3245 	    picldevtree_evhandler, NULL);
3246 
3247 	conf_name_class_map = free_conf_entries(conf_name_class_map);
3248 }
3249 
3250 /*
3251  * This function is the event handler of this plug-in.
3252  *
3253  * It processes the following events:
3254  *
3255  *	PICLEVENT_SYSEVENT_DEVICE_ADDED
3256  *	PICLEVENT_SYSEVENT_DEVICE_REMOVED
3257  */
3258 /* ARGSUSED */
3259 static void
3260 picldevtree_evhandler(const char *ename, const void *earg, size_t size,
3261     void *cookie)
3262 {
3263 	char			*devfs_path;
3264 	char			ptreepath[PATH_MAX];
3265 	char			dipath[PATH_MAX];
3266 	picl_nodehdl_t		plafh;
3267 	picl_nodehdl_t		nodeh;
3268 	nvlist_t		*nvlp;
3269 
3270 	if (earg == NULL)
3271 		return;
3272 
3273 	nvlp = NULL;
3274 	if (ptree_get_node_by_path(PLATFORM_PATH, &plafh) != PICL_SUCCESS ||
3275 	    nvlist_unpack((char *)earg, size, &nvlp, NULL) ||
3276 	    nvlist_lookup_string(nvlp, PICLEVENTARG_DEVFS_PATH, &devfs_path) ||
3277 	    strlen(devfs_path) > (PATH_MAX - sizeof (PLATFORM_PATH))) {
3278 		syslog(LOG_INFO, PICL_EVENT_DROPPED, ename);
3279 		if (nvlp)
3280 			nvlist_free(nvlp);
3281 		return;
3282 	}
3283 
3284 	(void) strlcpy(ptreepath, PLATFORM_PATH, PATH_MAX);
3285 	(void) strlcat(ptreepath, devfs_path, PATH_MAX);
3286 	(void) strlcpy(dipath, devfs_path, PATH_MAX);
3287 	nvlist_free(nvlp);
3288 
3289 	if (picldevtree_debug)
3290 		syslog(LOG_INFO, "picldevtree: event handler invoked ename:%s "
3291 		    "ptreepath:%s\n", ename, ptreepath);
3292 
3293 	if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_ADDED) == 0) {
3294 		di_node_t		devnode;
3295 		char		*strp;
3296 		picl_nodehdl_t	parh;
3297 		char		nodeclass[PICL_CLASSNAMELEN_MAX];
3298 		char		*nodename;
3299 		int		err;
3300 
3301 		/* If the node already exist, then nothing else to do here */
3302 		if (ptree_get_node_by_path(ptreepath, &nodeh) == PICL_SUCCESS)
3303 			return;
3304 
3305 		/* Skip if unable to find parent PICL node handle */
3306 		parh = plafh;
3307 		if (((strp = strrchr(ptreepath, '/')) != NULL) &&
3308 		    (strp != strchr(ptreepath, '/'))) {
3309 			*strp = '\0';
3310 			if (ptree_get_node_by_path(ptreepath, &parh) !=
3311 			    PICL_SUCCESS)
3312 				return;
3313 		}
3314 
3315 		/*
3316 		 * If parent is the root node
3317 		 */
3318 		if (parh == plafh) {
3319 			ph = di_prom_init();
3320 			devnode = di_init(dipath, DINFOCPYALL);
3321 			if (devnode == DI_NODE_NIL) {
3322 				if (ph != NULL) {
3323 					di_prom_fini(ph);
3324 					ph = NULL;
3325 				}
3326 				return;
3327 			}
3328 			nodename = di_node_name(devnode);
3329 			if (nodename == NULL) {
3330 				di_fini(devnode);
3331 				if (ph != NULL) {
3332 					di_prom_fini(ph);
3333 					ph = NULL;
3334 				}
3335 				return;
3336 			}
3337 
3338 			err = get_node_class(nodeclass, devnode, nodename);
3339 			if (err < 0) {
3340 				di_fini(devnode);
3341 				if (ph != NULL) {
3342 					di_prom_fini(ph);
3343 					ph = NULL;
3344 				}
3345 				return;
3346 			}
3347 			err = construct_devtype_node(plafh, nodename,
3348 			    nodeclass, devnode, &nodeh);
3349 			if (err != PICL_SUCCESS) {
3350 				di_fini(devnode);
3351 				if (ph != NULL) {
3352 					di_prom_fini(ph);
3353 					ph = NULL;
3354 				}
3355 				return;
3356 			}
3357 			(void) update_subtree(nodeh, devnode);
3358 			(void) add_unitaddr_prop_to_subtree(nodeh);
3359 			if (ph != NULL) {
3360 				di_prom_fini(ph);
3361 				ph = NULL;
3362 			}
3363 			di_fini(devnode);
3364 			goto done;
3365 		}
3366 
3367 		/* kludge ... try without bus-addr first */
3368 		if ((strp = strrchr(dipath, '@')) != NULL) {
3369 			char *p;
3370 
3371 			p = strrchr(dipath, '/');
3372 			if (p != NULL && strp > p) {
3373 				*strp = '\0';
3374 				devnode = di_init(dipath, DINFOCPYALL);
3375 				if (devnode != DI_NODE_NIL)
3376 					di_fini(devnode);
3377 				*strp = '@';
3378 			}
3379 		}
3380 		/* Get parent devnode */
3381 		if ((strp = strrchr(dipath, '/')) != NULL)
3382 			*++strp = '\0';
3383 		devnode = di_init(dipath, DINFOCPYALL);
3384 		if (devnode == DI_NODE_NIL)
3385 			return;
3386 		ph = di_prom_init();
3387 		(void) update_subtree(parh, devnode);
3388 		(void) add_unitaddr_prop_to_subtree(parh);
3389 		if (ph) {
3390 			di_prom_fini(ph);
3391 			ph = NULL;
3392 		}
3393 		di_fini(devnode);
3394 	} else if (strcmp(ename, PICLEVENT_SYSEVENT_DEVICE_REMOVED) == 0) {
3395 		char			delclass[PICL_CLASSNAMELEN_MAX];
3396 		char		*strp;
3397 
3398 		/*
3399 		 * if final element of path doesn't have a unit address
3400 		 * then it is not uniquely identifiable - cannot remove
3401 		 */
3402 		if (((strp = strrchr(ptreepath, '/')) != NULL) &&
3403 		    strchr(strp, '@') == NULL)
3404 			return;
3405 
3406 		/* skip if can't find the node */
3407 		if (ptree_get_node_by_path(ptreepath, &nodeh) != PICL_SUCCESS)
3408 			return;
3409 
3410 		if (ptree_delete_node(nodeh) != PICL_SUCCESS)
3411 			return;
3412 
3413 		if (picldevtree_debug)
3414 			syslog(LOG_INFO,
3415 			    "picldevtree: deleted node nodeh:%llx\n", nodeh);
3416 		if ((ptree_get_propval_by_name(nodeh,
3417 		    PICL_PROP_CLASSNAME, delclass, PICL_CLASSNAMELEN_MAX) ==
3418 		    PICL_SUCCESS) && IS_MC(delclass)) {
3419 			if (post_mc_event(PICLEVENT_MC_REMOVED, nodeh) !=
3420 			    PICL_SUCCESS)
3421 				syslog(LOG_WARNING, PICL_EVENT_DROPPED,
3422 				    PICLEVENT_MC_REMOVED);
3423 		} else
3424 			(void) ptree_destroy_node(nodeh);
3425 	}
3426 done:
3427 	(void) setup_cpus(plafh);
3428 	(void) add_ffb_config_info(plafh);
3429 	(void) set_pci_deviceid(plafh);
3430 	(void) set_sbus_slot(plafh);
3431 	if (picldevtree_debug > 1)
3432 		syslog(LOG_INFO, "picldevtree: event handler done\n");
3433 }
3434