xref: /illumos-gate/usr/src/lib/libfru/libfrupicl/frupicl.c (revision 012e6ce759c490003aed29439cc47d3d73a99ad3)
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 #include <alloca.h>
28 #include <picl.h>
29 #include <string.h>
30 #include <stdlib.h>
31 #include <stdarg.h>
32 #include <stdio.h>
33 #include "picldefs.h"
34 #include "fru_data.h"
35 
36 #include "libfruds.h"
37 #include "libfrup.h"
38 
39 /* ========================================================================= */
40 #define	TREEHDL_TO_PICLHDL(treehdl) ((picl_nodehdl_t)treehdl)
41 #define	PICLHDL_TO_TREEHDL(piclhdl) ((fru_treehdl_t)piclhdl)
42 
43 #define	TREESEGHDL_TO_PICLHDL(treeseghdl) ((picl_nodehdl_t)treeseghdl)
44 #define	PICLHDL_TO_TREESEGHDL(piclhdl) ((fru_treeseghdl_t)piclhdl)
45 
46 /* Cache of the root node for quick checks */
47 static picl_nodehdl_t picl_root_node;
48 
49 
50 /* ========================================================================= */
51 /*
52  * Map the PICL errors the plugin would give me to FRU errors
53  */
54 static fru_errno_t
55 map_plugin_err(int picl_err)
56 {
57 	switch (picl_err) {
58 		case PICL_SUCCESS:
59 			return (FRU_SUCCESS);
60 		case PICL_PERMDENIED:
61 			return (FRU_INVALPERM);
62 		case PICL_PROPEXISTS:
63 			return (FRU_DUPSEG);
64 		case PICL_NOSPACE:
65 			return (FRU_NOSPACE);
66 		case PICL_NORESPONSE:
67 			return (FRU_NORESPONSE);
68 		case PICL_PROPNOTFOUND:
69 			return (FRU_NODENOTFOUND);
70 		case PICL_ENDOFLIST:
71 			return (FRU_DATANOTFOUND);
72 	}
73 	return (FRU_IOERROR);
74 }
75 
76 /* ========================================================================= */
77 /*
78  * cause a refresh of the sub-nodes by writing anything to the container
79  * property of the node.
80  */
81 static fru_errno_t
82 update_data_nodes(picl_nodehdl_t handle)
83 {
84 	uint32_t container = FRUDATA_DELETE_TAG_KEY;
85 	int picl_err = PICL_SUCCESS;
86 
87 	if ((picl_err = picl_set_propval_by_name(handle,
88 		PICL_PROP_CONTAINER, (void *)&container,
89 		sizeof (container))) != PICL_SUCCESS) {
90 		return (map_plugin_err(picl_err));
91 	}
92 
93 	return (FRU_SUCCESS);
94 }
95 
96 /* ========================================================================= */
97 /*
98  * picl like function which gets a string property with the proper length
99  * NOTE: returns picl errno values NOT fru_errno_t
100  */
101 static int
102 get_strprop_by_name(picl_nodehdl_t handle, char *prop_name, char **string)
103 {
104 	int picl_err = PICL_SUCCESS;
105 	picl_prophdl_t proph;
106 	picl_propinfo_t prop_info;
107 	char *tmp_buf = NULL;
108 
109 	if ((picl_err = picl_get_propinfo_by_name(handle, prop_name,
110 		&prop_info, &proph)) != PICL_SUCCESS) {
111 		return (picl_err);
112 	}
113 
114 	tmp_buf = malloc((sizeof (*tmp_buf) * prop_info.size));
115 	if (tmp_buf == NULL) {
116 		return (PICL_FAILURE);
117 	}
118 
119 	if ((picl_err = picl_get_propval(proph, tmp_buf, prop_info.size))
120 			!= PICL_SUCCESS) {
121 		free(tmp_buf);
122 		return (picl_err);
123 	}
124 
125 	*string = tmp_buf;
126 	return (PICL_SUCCESS);
127 }
128 
129 /* ========================================================================= */
130 static fru_errno_t
131 fpt_get_name_from_hdl(fru_treehdl_t node, char **name)
132 {
133 	int picl_err = PICL_SUCCESS;
134 	char *tmp_name = NULL;
135 	char *label = NULL;
136 	picl_nodehdl_t handle = TREEHDL_TO_PICLHDL(node);
137 
138 	/* get the name */
139 	if ((picl_err = get_strprop_by_name(handle, PICL_PROP_NAME,
140 		&tmp_name)) != PICL_SUCCESS) {
141 		return (map_plugin_err(picl_err));
142 	}
143 
144 	/* get the label, if any */
145 	if ((picl_err = get_strprop_by_name(handle, PICL_PROP_LABEL,
146 		&label)) != PICL_SUCCESS) {
147 		if (picl_err != PICL_PROPNOTFOUND) {
148 			free(tmp_name);
149 			return (map_plugin_err(picl_err));
150 		}
151 		/* else PICL_PROPNOTFOUND is OK because not all nodes */
152 		/* will have a label. */
153 	}
154 
155 	/* construct the name as nessecary */
156 	if (label == NULL) {
157 		*name = strdup(tmp_name);
158 	} else {
159 #define	FRU_LABEL_PADDING 10
160 		size_t buf_size = strlen(tmp_name) + strlen(label) +
161 			FRU_LABEL_PADDING;
162 		char *tmp = malloc(buf_size);
163 		if (tmp == NULL) {
164 			free(tmp_name);
165 			free(label);
166 			return (FRU_FAILURE);
167 		}
168 		snprintf(tmp, buf_size, "%s?%s=%s", tmp_name,
169 			PICL_PROP_LABEL, label);
170 		*name = tmp;
171 	}
172 
173 	free(tmp_name);
174 	free(label);
175 	return (FRU_SUCCESS);
176 }
177 
178 /* ========================================================================= */
179 /* compare the node name to the name passed */
180 static fru_errno_t
181 cmp_node_name(picl_nodehdl_t node, const char *name)
182 {
183 	char *node_name = NULL;
184 
185 	if (get_strprop_by_name(node, PICL_PROP_NAME, &node_name)
186 			!= PICL_SUCCESS) {
187 		return (FRU_FAILURE);
188 	}
189 
190 	if (strcmp(node_name, name) == 0) {
191 		free(node_name);
192 		return (FRU_SUCCESS);
193 	}
194 
195 	free(node_name);
196 	return (FRU_FAILURE);
197 }
198 
199 /* ========================================================================= */
200 /* compare the node class name to the name passed */
201 static fru_errno_t
202 cmp_class_name(picl_nodehdl_t node, const char *name)
203 {
204 	char *class_name = NULL;
205 
206 	if (get_strprop_by_name(node, PICL_PROP_CLASSNAME, &class_name)
207 			!= PICL_SUCCESS) {
208 		return (FRU_FAILURE);
209 	}
210 
211 	if (strcmp(class_name, name) == 0) {
212 		free(class_name);
213 		return (FRU_SUCCESS);
214 	}
215 
216 	free(class_name);
217 	return (FRU_FAILURE);
218 }
219 
220 
221 /* ========================================================================= */
222 /* get the "frutree" root node */
223 static fru_errno_t
224 fpt_get_root(fru_treehdl_t *node)
225 {
226 	picl_nodehdl_t picl_node;
227 	int picl_err = PICL_SUCCESS;
228 
229 	picl_err = picl_get_root(&picl_node);
230 	if ((picl_err = picl_get_propval_by_name(picl_node, PICL_PROP_CHILD,
231 		(void *)&picl_node, sizeof (picl_node)))
232 		!= PICL_SUCCESS) {
233 		return (map_plugin_err(picl_err));
234 	}
235 
236 	while (cmp_node_name(picl_node, PICL_NODE_FRUTREE)
237 			!= FRU_SUCCESS) {
238 
239 		if ((picl_err = picl_get_propval_by_name(picl_node,
240 			PICL_PROP_PEER, (void *)&picl_node,
241 			sizeof (picl_node))) == PICL_PROPNOTFOUND) {
242 			return (FRU_NODENOTFOUND);
243 		} else if (picl_err != PICL_SUCCESS) {
244 			return (map_plugin_err(picl_err));
245 		}
246 	}
247 
248 	picl_root_node = picl_node;
249 	*node = PICLHDL_TO_TREEHDL(picl_node);
250 	return (FRU_SUCCESS);
251 }
252 
253 /* ========================================================================= */
254 static fru_errno_t
255 fpt_get_peer(fru_treehdl_t sibling, fru_treehdl_t *peer)
256 {
257 	int rc = PICL_SUCCESS;
258 	picl_nodehdl_t handle = TREEHDL_TO_PICLHDL(sibling);
259 	picl_nodehdl_t picl_peer;
260 
261 	rc = picl_get_propval_by_name(handle, PICL_PROP_PEER,
262 		(void *)&picl_peer, sizeof (picl_peer));
263 	if (rc != PICL_SUCCESS) {
264 		return (map_plugin_err(rc));
265 	}
266 
267 	*peer = PICLHDL_TO_TREEHDL(picl_peer);
268 	return (FRU_SUCCESS);
269 }
270 
271 /* ========================================================================= */
272 static fru_errno_t
273 fpt_get_child(fru_treehdl_t handle, fru_treehdl_t *child)
274 {
275 	picl_nodehdl_t p_child;
276 	int rc = picl_get_propval_by_name(TREEHDL_TO_PICLHDL(handle),
277 		PICL_PROP_CHILD, (void *)&p_child, sizeof (p_child));
278 	if (rc != PICL_SUCCESS) {
279 		return (map_plugin_err(rc));
280 	}
281 
282 	*child = PICLHDL_TO_TREEHDL(p_child);
283 	return (FRU_SUCCESS);
284 }
285 
286 /* ========================================================================= */
287 static fru_errno_t
288 fpt_get_parent(fru_treehdl_t handle, fru_treehdl_t *parent)
289 {
290 	int rc = PICL_SUCCESS;
291 	picl_nodehdl_t p_parent;
292 
293 	/* do not allow the libfru users to see the parent of the root */
294 	if (TREEHDL_TO_PICLHDL(handle) == picl_root_node) {
295 		return (FRU_NODENOTFOUND);
296 	}
297 
298 	rc = picl_get_propval_by_name(TREEHDL_TO_PICLHDL(handle),
299 		PICL_PROP_PARENT, (void *)&p_parent, sizeof (p_parent));
300 	if (rc != PICL_SUCCESS) {
301 		return (map_plugin_err(rc));
302 	}
303 
304 	*parent = PICLHDL_TO_TREEHDL(p_parent);
305 	return (FRU_SUCCESS);
306 }
307 
308 /* ========================================================================= */
309 static fru_errno_t
310 fpt_get_node_type(fru_treehdl_t node, fru_node_t *type)
311 {
312 	int	rc = PICL_SUCCESS;
313 	char picl_class[PICL_PROPNAMELEN_MAX];
314 	picl_nodehdl_t handle = TREEHDL_TO_PICLHDL(node);
315 
316 	if ((rc = picl_get_propval_by_name(handle, PICL_PROP_CLASSNAME,
317 		picl_class, sizeof (picl_class))) != PICL_SUCCESS) {
318 		return (map_plugin_err(rc));
319 	}
320 
321 	if (strcmp(picl_class, PICL_CLASS_LOCATION) == 0)  {
322 		*type = FRU_NODE_LOCATION;
323 		return (FRU_SUCCESS);
324 	} else if (strcmp(picl_class, PICL_CLASS_FRU) == 0) {
325 		picl_prophdl_t proph;
326 
327 		/* check for the CONTAINER_PROP property which indicates */
328 		/* there is data for this node.  (ie fru is a container) */
329 		if (picl_get_prop_by_name(handle,
330 			PICL_PROP_CONTAINER, &proph) == PICL_SUCCESS) {
331 			*type = FRU_NODE_CONTAINER;
332 			return (FRU_SUCCESS);
333 		}
334 		*type = FRU_NODE_FRU;
335 		return (FRU_SUCCESS);
336 	}
337 
338 	*type = FRU_NODE_UNKNOWN;
339 	return (FRU_SUCCESS);
340 }
341 
342 /* ========================================================================= */
343 /* find the next section or return NODENOTFOUND */
344 static fru_errno_t
345 find_next_section(picl_nodehdl_t current, picl_nodehdl_t *next)
346 {
347 	picl_nodehdl_t rc_next;
348 
349 	if (picl_get_propval_by_name(current, PICL_PROP_PEER,
350 		(void *)&rc_next, sizeof (rc_next)) != PICL_SUCCESS) {
351 		return (FRU_NODENOTFOUND);
352 	}
353 
354 	/* Make sure this is a "Section" node */
355 	if (cmp_class_name(rc_next, PICL_CLASS_SECTION)
356 			== FRU_SUCCESS) {
357 		*next = rc_next;
358 		return (FRU_SUCCESS);
359 	}
360 
361 	/* and if this is not good keep trying to find a peer which */
362 	/* is a section */
363 	return (find_next_section(rc_next, next));
364 }
365 
366 /* ========================================================================= */
367 /* find the first section or return NODENOTFOUND */
368 static fru_errno_t
369 find_first_section(picl_nodehdl_t parent, picl_nodehdl_t *section)
370 {
371 	picl_nodehdl_t rc_section;
372 
373 	if (picl_get_propval_by_name(parent, PICL_PROP_CHILD,
374 		(void *)&rc_section, sizeof (rc_section)) != PICL_SUCCESS) {
375 		return (FRU_NODENOTFOUND);
376 	}
377 
378 	/* Make sure this is a "Section" node */
379 	if (cmp_class_name(rc_section, PICL_CLASS_SECTION)
380 			== FRU_SUCCESS) {
381 		*section = rc_section;
382 		return (FRU_SUCCESS);
383 	}
384 
385 	/* and if this is not good keep trying to find a peer which */
386 	/* is a section */
387 	return (find_next_section(rc_section, section));
388 }
389 
390 /* ========================================================================= */
391 /*
392  * Find the handle of the segment node "segment".
393  * also returns the hardware description of this segment.  (read from the
394  * section this was found in.)
395  * If the ign_cor_flg is set this will still succeed even if the segment is
396  * corrupt, otherwise it will return FRU_SEGCORRUPT for corrupt segments
397  */
398 #define	IGN_CORRUPT_YES 1
399 #define	IGN_CORRUPT_NO 0
400 static fru_errno_t
401 get_segment_node(picl_nodehdl_t handle, const char *segment,
402 	picl_nodehdl_t *seg_hdl, fru_seg_hwdesc_t *hw_desc, int ign_cor_flg)
403 {
404 	fru_errno_t err = FRU_SUCCESS;
405 	picl_nodehdl_t sect_node;
406 
407 	if ((err = update_data_nodes(handle)) != FRU_SUCCESS) {
408 		return (err);
409 	}
410 
411 	if ((err = find_first_section(handle, &sect_node)) != FRU_SUCCESS) {
412 		return (err);
413 	}
414 
415 	/* while there are sections. */
416 	while (err == FRU_SUCCESS) {
417 		uint32_t num_segs = 0;
418 		int rc = PICL_SUCCESS;
419 		picl_nodehdl_t seg_node;
420 
421 		/* do this just in case the Segments have not been built. */
422 		if ((rc = picl_get_propval_by_name(sect_node,
423 			PICL_PROP_NUM_SEGMENTS,
424 			(void *)&num_segs,
425 			sizeof (num_segs))) != PICL_SUCCESS) {
426 			return (map_plugin_err(rc));
427 		}
428 
429 		/* while there are segments. */
430 		rc = picl_get_propval_by_name(sect_node, PICL_PROP_CHILD,
431 			(void *)&seg_node, sizeof (seg_node));
432 		while (rc == PICL_SUCCESS) {
433 			char name[PICL_PROPNAMELEN_MAX];
434 			picl_get_propval_by_name(seg_node, PICL_PROP_NAME,
435 				name, sizeof (name));
436 			if (strcmp(segment, name) == 0) {
437 				int dummy = 0;
438 				int protection = 0;
439 				/* NUM_TAGS prop exists iff segment is OK */
440 				if ((ign_cor_flg == IGN_CORRUPT_NO) &&
441 					(picl_get_propval_by_name(seg_node,
442 					PICL_PROP_NUM_TAGS,
443 					(void *)&dummy,
444 					sizeof (dummy)) != PICL_SUCCESS)) {
445 					return (FRU_SEGCORRUPT);
446 				}
447 				/* get the HW protections of this section. */
448 				if ((rc = picl_get_propval_by_name(sect_node,
449 					PICL_PROP_PROTECTED,
450 					(void *)&protection,
451 					sizeof (protection)))
452 							!= PICL_SUCCESS) {
453 					return (map_plugin_err(rc));
454 				}
455 				hw_desc->all_bits = 0;
456 				hw_desc->field.read_only = protection;
457 
458 				*seg_hdl = seg_node;
459 				return (FRU_SUCCESS);
460 			}
461 			rc = picl_get_propval_by_name(seg_node, PICL_PROP_PEER,
462 				(void *)&seg_node, sizeof (seg_node));
463 		}
464 
465 		/* Peer property not found is ok */
466 		if (rc != PICL_PROPNOTFOUND) {
467 			return (map_plugin_err(rc));
468 		}
469 
470 		err = find_next_section(sect_node, &sect_node);
471 	}
472 
473 	return (FRU_INVALSEG);
474 }
475 
476 /* ========================================================================= */
477 /*
478  * For the section handle passed add to list all the segment names found.
479  * Also incriments total by the number found.
480  */
481 static fru_errno_t
482 add_segs_for_section(picl_nodehdl_t section, fru_strlist_t *list)
483 {
484 	uint32_t num_segments = 0;
485 	int rc = PICL_SUCCESS;
486 
487 	if ((rc = picl_get_propval_by_name(section,
488 		PICL_PROP_NUM_SEGMENTS,
489 		(void *)&num_segments,
490 		sizeof (num_segments))) != PICL_SUCCESS) {
491 		fru_destroy_strlist(list);
492 		return (map_plugin_err(rc));
493 	}
494 
495 	if (num_segments != 0) {
496 		picl_nodehdl_t seg_node;
497 		int total_space = list->num + num_segments;
498 
499 		list->strs = realloc(list->strs,
500 			(sizeof (*(list->strs)) * (total_space)));
501 		if (list->strs == NULL) {
502 			return (FRU_FAILURE);
503 		}
504 
505 		/* get the first segment */
506 		rc = picl_get_propval_by_name(section,
507 			PICL_PROP_CHILD, (void *)&seg_node,
508 			sizeof (seg_node));
509 
510 		/* while there are more segments. */
511 		while (rc == PICL_SUCCESS) {
512 			char name[FRU_SEGNAMELEN +1];
513 
514 			if ((rc = picl_get_propval_by_name(seg_node,
515 				PICL_PROP_NAME, name,
516 				sizeof (name))) != PICL_SUCCESS) {
517 				break;
518 			}
519 
520 			/* check array bounds */
521 			if (list->num >= total_space) {
522 				/* PICL reported incorrect number of segs */
523 				return (FRU_IOERROR);
524 			}
525 			list->strs[(list->num)++] = strdup(name);
526 
527 			rc = picl_get_propval_by_name(seg_node,
528 				PICL_PROP_PEER, (void *)&seg_node,
529 				sizeof (seg_node));
530 		}
531 
532 		/* Peer property not found is ok */
533 		if (rc != PICL_PROPNOTFOUND) {
534 			return (map_plugin_err(rc));
535 		}
536 
537 	}
538 	return (FRU_SUCCESS);
539 }
540 
541 /* ========================================================================= */
542 static fru_errno_t
543 fpt_get_seg_list(fru_treehdl_t handle, fru_strlist_t *list)
544 {
545 	fru_errno_t err;
546 	picl_nodehdl_t sect_node;
547 	fru_strlist_t rc_list;
548 	rc_list.num = 0;
549 	rc_list.strs = NULL;
550 
551 	if ((err = update_data_nodes(TREEHDL_TO_PICLHDL(handle)))
552 			!= FRU_SUCCESS) {
553 		return (err);
554 	}
555 
556 	if ((err = find_first_section(TREEHDL_TO_PICLHDL(handle), &sect_node))
557 			!= FRU_SUCCESS) {
558 		return (err);
559 	}
560 
561 	/* while there are sections. */
562 	while (err == FRU_SUCCESS) {
563 		if ((err = add_segs_for_section(sect_node, &rc_list))
564 				!= FRU_SUCCESS) {
565 			fru_destroy_strlist(&rc_list);
566 			return (err);
567 		}
568 		err = find_next_section(sect_node, &sect_node);
569 	}
570 
571 	list->num = rc_list.num;
572 	list->strs = rc_list.strs;
573 
574 	return (FRU_SUCCESS);
575 }
576 
577 /* ========================================================================= */
578 static fru_errno_t
579 fpt_get_seg_def(fru_treehdl_t handle, const char *seg_name, fru_segdef_t *def)
580 {
581 	fru_errno_t err = FRU_SUCCESS;
582 	picl_nodehdl_t seg_node;
583 	fru_seg_hwdesc_t hw_desc;
584 
585 	fru_segdesc_t desc;
586 	uint32_t size;
587 	uint32_t address;
588 	/* LINTED */
589 	int picl_err = PICL_SUCCESS;
590 
591 	if ((err = get_segment_node(TREEHDL_TO_PICLHDL(handle), seg_name,
592 		&seg_node, &hw_desc, IGN_CORRUPT_YES)) != FRU_SUCCESS)
593 		return (err);
594 
595 	if ((picl_err = picl_get_propval_by_name(seg_node,
596 		PICL_PROP_DESCRIPTOR,
597 		&desc, sizeof (desc))) != PICL_SUCCESS) {
598 		return (map_plugin_err(picl_err));
599 	}
600 
601 	if ((picl_err = picl_get_propval_by_name(seg_node,
602 		PICL_PROP_LENGTH,
603 		&size, sizeof (size))) != PICL_SUCCESS) {
604 		return (map_plugin_err(picl_err));
605 	}
606 
607 	if ((picl_err = picl_get_propval_by_name(seg_node,
608 		PICL_PROP_OFFSET,
609 		&address, sizeof (address))) != PICL_SUCCESS) {
610 		return (map_plugin_err(picl_err));
611 	}
612 
613 	def->version = LIBFRU_VERSION;
614 	strlcpy(def->name, seg_name, FRU_SEGNAMELEN+1);
615 	def->desc = desc;
616 	def->size = size;
617 	def->address = address;
618 	def->hw_desc = hw_desc;
619 
620 	return (FRU_SUCCESS);
621 }
622 
623 /* ========================================================================= */
624 static fru_errno_t
625 fpt_add_seg(fru_treehdl_t handle, fru_segdef_t *def)
626 {
627 	fru_errno_t err = FRU_SUCCESS;
628 	int picl_err = PICL_SUCCESS;
629 	picl_nodehdl_t section;
630 
631 /*
632  * for every section which has a ADD_SEGMENT_PROP try and add the segment
633  */
634 	if ((err = find_first_section(TREEHDL_TO_PICLHDL(handle), &section))
635 		!= FRU_SUCCESS) {
636 		return (err);
637 	}
638 	do {
639 		fru_segdef_t dummy;
640 		if ((picl_err = picl_get_propval_by_name(section,
641 			PICL_PROP_ADD_SEGMENT, &dummy, sizeof (dummy)))
642 				== PICL_SUCCESS) {
643 
644 			picl_err = picl_set_propval_by_name(section,
645 				PICL_PROP_ADD_SEGMENT, def, sizeof (*def));
646 
647 			return (map_plugin_err(picl_err));
648 		}
649 	} while (find_next_section(section, &section) == FRU_SUCCESS);
650 
651 	return (map_plugin_err(picl_err));
652 }
653 
654 /* ========================================================================= */
655 static fru_errno_t
656 fpt_delete_seg(fru_treehdl_t handle, const char *seg_name)
657 {
658 	picl_nodehdl_t seg_hdl;
659 	fru_seg_hwdesc_t hw_desc;
660 	fru_errno_t err;
661 
662 	int dead_flag = FRUDATA_DELETE_TAG_KEY;
663 	int rc = PICL_SUCCESS;
664 
665 	if ((err = get_segment_node(TREEHDL_TO_PICLHDL(handle), seg_name,
666 		&seg_hdl, &hw_desc, IGN_CORRUPT_YES)) != FRU_SUCCESS) {
667 		return (err);
668 	}
669 
670 	rc = picl_set_propval_by_name(seg_hdl, PICL_PROP_DELETE_SEGMENT,
671 		&dead_flag, sizeof (dead_flag));
672 	return (map_plugin_err(rc));
673 }
674 
675 /* ========================================================================= */
676 static fru_errno_t
677 fpt_add_tag_to_seg(fru_treehdl_t handle, const char *seg_name,
678 		fru_tag_t tag, uint8_t *data, size_t data_len)
679 {
680 	fru_errno_t err = FRU_SUCCESS;
681 	picl_nodehdl_t segHdl;
682 	fru_seg_hwdesc_t hw_desc;
683 	int picl_err = PICL_SUCCESS;
684 	size_t buf_size = 0;
685 	uint8_t *buffer = NULL;
686 	picl_prophdl_t add_prop;
687 	picl_propinfo_t add_prop_info;
688 
689 	if ((err = get_segment_node(TREEHDL_TO_PICLHDL(handle), seg_name,
690 		&segHdl, &hw_desc, IGN_CORRUPT_NO)) != FRU_SUCCESS) {
691 		return (err);
692 	}
693 
694 	/* get the length of the buffer required. */
695 	if ((picl_err = picl_get_prop_by_name(segHdl,
696 		PICL_PROP_ADD_PACKET,
697 		&add_prop)) != PICL_SUCCESS) {
698 		return (map_plugin_err(picl_err));
699 	}
700 	if ((picl_err = picl_get_propinfo(add_prop, &add_prop_info))
701 			!= PICL_SUCCESS) {
702 		return (map_plugin_err(picl_err));
703 	}
704 
705 	buf_size = add_prop_info.size;
706 	if (data_len >= (buf_size - get_tag_size(get_tag_type(&tag)))) {
707 		return (FRU_NOSPACE);
708 	}
709 
710 	buffer = malloc(buf_size);
711 	if (buffer == NULL) {
712 		return (FRU_FAILURE);
713 	}
714 	/* write the tag and data into the buffer */
715 	memcpy(buffer, &tag, get_tag_size(get_tag_type(&tag)));
716 	memcpy((void *)(buffer+get_tag_size(get_tag_type(&tag))),
717 		data, data_len);
718 
719 	picl_err = picl_set_propval(add_prop, buffer, buf_size);
720 	free(buffer);
721 	return (map_plugin_err(picl_err));
722 }
723 
724 /* ========================================================================= */
725 static fru_errno_t
726 fpt_get_tag_list(fru_treehdl_t handle, const char *seg_name,
727 		fru_tag_t **tags, int *number)
728 {
729 	picl_nodehdl_t seg_node;
730 	fru_seg_hwdesc_t hw_desc;
731 	fru_errno_t err = FRU_SUCCESS;
732 	picl_prophdl_t tagTable;
733 	int picl_err = PICL_SUCCESS;
734 	unsigned int total_tags = 0;
735 
736 	/* return variables */
737 	fru_tag_t *rc_tags = NULL;
738 	unsigned int rc_num = 0;
739 
740 	if ((err = get_segment_node(TREEHDL_TO_PICLHDL(handle), seg_name,
741 		&seg_node, &hw_desc, IGN_CORRUPT_NO)) != FRU_SUCCESS) {
742 		return (err);
743 	}
744 
745 	/* get the number of tags and allocate array for them */
746 	if ((picl_err = picl_get_propval_by_name(seg_node,
747 		PICL_PROP_NUM_TAGS,
748 		(void *)&total_tags,
749 		sizeof (total_tags))) != PICL_SUCCESS) {
750 		return (map_plugin_err(picl_err));
751 	}
752 
753 	if (total_tags == 0) {
754 		*tags = rc_tags;
755 		*number = rc_num;
756 		return (FRU_SUCCESS);
757 	}
758 
759 	rc_tags = malloc((sizeof (*rc_tags) * total_tags));
760 	if (rc_tags == NULL) {
761 		return (FRU_FAILURE);
762 	}
763 
764 	/* go through the tagTable and fill in the array */
765 	if ((picl_err = picl_get_propval_by_name(seg_node,
766 		PICL_PROP_PACKET_TABLE,
767 		&tagTable, sizeof (tagTable))) != PICL_SUCCESS) {
768 		free(rc_tags);
769 		return (map_plugin_err(picl_err));
770 	}
771 	picl_err = picl_get_next_by_col(tagTable, &tagTable);
772 	while (picl_err == PICL_SUCCESS) {
773 		/* check array bounds */
774 		if (rc_num >= total_tags) {
775 			free(rc_tags);
776 			return (FRU_FAILURE);
777 		}
778 		/* fill in the array */
779 		if ((picl_err = picl_get_propval(tagTable,
780 			(void *)&(rc_tags[rc_num++]),
781 			sizeof (fru_tag_t))) != PICL_SUCCESS) {
782 			free(rc_tags);
783 			return (map_plugin_err(picl_err));
784 		}
785 		/* get the next tag */
786 		picl_err = picl_get_next_by_col(tagTable, &tagTable);
787 	}
788 
789 	if (picl_err == PICL_ENDOFLIST) {
790 		*tags = rc_tags;
791 		*number = rc_num;
792 		return (FRU_SUCCESS);
793 	}
794 	return (map_plugin_err(picl_err));
795 }
796 
797 /* ========================================================================= */
798 /*
799  * From the handle, segment name, tag, and instance of the tag get me:
800  * segHdl: The segment handle for this segment.
801  * tagHdl: tag property handle in the tag table for this instance "tag"
802  */
803 static fru_errno_t
804 get_tag_handle(picl_nodehdl_t handle, const char *segment,
805 		fru_tag_t tag, int instance,
806 		picl_nodehdl_t *segHdl,
807 		picl_prophdl_t *tagHdl)
808 {
809 	fru_seg_hwdesc_t hw_desc;
810 	fru_errno_t err;
811 	picl_prophdl_t tagTable = 0;
812 	int picl_err = PICL_SUCCESS;
813 	picl_nodehdl_t tmp_seg;
814 
815 	fru_tag_t foundTag;
816 
817 	if ((err = get_segment_node(TREEHDL_TO_PICLHDL(handle), segment,
818 		&tmp_seg, &hw_desc, IGN_CORRUPT_NO)) != FRU_SUCCESS) {
819 		return (err);
820 	}
821 
822 	foundTag.raw_data = 0;
823 	if ((picl_err = picl_get_propval_by_name(tmp_seg,
824 		PICL_PROP_PACKET_TABLE,
825 		&tagTable, sizeof (tagTable))) != PICL_SUCCESS) {
826 		return (map_plugin_err(picl_err));
827 	}
828 
829 	picl_err = picl_get_next_by_col(tagTable, &tagTable);
830 	while ((picl_err != PICL_ENDOFLIST) &&
831 		(picl_err == PICL_SUCCESS)) {
832 		if ((picl_err = picl_get_propval(tagTable, (void *)&foundTag,
833 			sizeof (foundTag))) != PICL_SUCCESS) {
834 			return (map_plugin_err(picl_err));
835 		}
836 		if ((tags_equal(tag, foundTag) == 1) && (instance-- == 0)) {
837 			*segHdl = tmp_seg;
838 			*tagHdl = tagTable;
839 			return (FRU_SUCCESS);
840 		}
841 		picl_err = picl_get_next_by_col(tagTable, &tagTable);
842 	}
843 
844 	return (map_plugin_err(picl_err));
845 }
846 
847 /* ========================================================================= */
848 static fru_errno_t
849 fpt_get_tag_data(fru_treehdl_t handle, const char *seg_name,
850 		fru_tag_t tag, int instance,
851 		uint8_t **data, size_t *data_len)
852 {
853 	fru_errno_t err = FRU_SUCCESS;
854 	int picl_err = PICL_SUCCESS;
855 	uint8_t *buffer;
856 	int buf_len = 0;
857 
858 	picl_nodehdl_t seg;
859 	picl_prophdl_t tagHdl;
860 
861 	if ((err = get_tag_handle(TREEHDL_TO_PICLHDL(handle), seg_name,
862 		tag, instance, &seg, &tagHdl)) != FRU_SUCCESS) {
863 		return (err);
864 	}
865 
866 	if ((picl_err = picl_get_next_by_row(tagHdl, &tagHdl))
867 		!= PICL_SUCCESS) {
868 		return (map_plugin_err(picl_err));
869 	}
870 
871 	buf_len = get_payload_length(&tag);
872 	buffer = malloc(buf_len);
873 	if (buffer == NULL) {
874 		return (FRU_FAILURE);
875 	}
876 
877 	if ((picl_err = picl_get_propval(tagHdl, buffer, buf_len))
878 		!= PICL_SUCCESS) {
879 		free(buffer);
880 		return (map_plugin_err(picl_err));
881 	}
882 
883 	*data = buffer;
884 	*data_len = buf_len;
885 	return (FRU_SUCCESS);
886 }
887 
888 /* ========================================================================= */
889 static fru_errno_t
890 fpt_set_tag_data(fru_treehdl_t handle, const char *seg_name,
891 		fru_tag_t tag, int instance,
892 		uint8_t *data, size_t data_len)
893 {
894 	fru_errno_t rc = FRU_SUCCESS;
895 	int picl_err = PICL_SUCCESS;
896 
897 	picl_nodehdl_t seg;
898 	picl_prophdl_t tagHdl;
899 
900 	if ((rc = get_tag_handle(TREEHDL_TO_PICLHDL(handle), seg_name,
901 		tag, instance, &seg, &tagHdl)) != FRU_SUCCESS) {
902 		return (rc);
903 	}
904 
905 	if ((picl_err = picl_get_next_by_row(tagHdl, &tagHdl))
906 		!= PICL_SUCCESS) {
907 		return (map_plugin_err(picl_err));
908 	}
909 
910 	if ((picl_err = picl_set_propval(tagHdl, data, data_len))
911 		!= PICL_SUCCESS) {
912 		return (map_plugin_err(picl_err));
913 	}
914 
915 	return (FRU_SUCCESS);
916 }
917 
918 /* ========================================================================= */
919 static fru_errno_t
920 fpt_delete_tag(fru_treehdl_t handle, const char *seg_name, fru_tag_t tag,
921 		int instance)
922 {
923 	fru_errno_t rc = FRU_SUCCESS;
924 	int picl_err = PICL_SUCCESS;
925 
926 	picl_nodehdl_t segHdl;
927 	picl_prophdl_t tagHdl;
928 
929 	/* get tag handle */
930 	if ((rc = get_tag_handle(TREEHDL_TO_PICLHDL(handle), seg_name,
931 		tag, instance, &segHdl, &tagHdl)) != FRU_SUCCESS) {
932 		return (rc);
933 	}
934 
935 	/* set up key */
936 	tag.raw_data &= FRUDATA_DELETE_TAG_MASK;
937 	tag.raw_data |= FRUDATA_DELETE_TAG_KEY;
938 
939 	/* Write back */
940 	picl_err = picl_set_propval(tagHdl, (void *)&(tag.raw_data),
941 		sizeof (tag.raw_data));
942 	return (map_plugin_err(picl_err));
943 }
944 
945 /* ========================================================================= */
946 static fru_errno_t
947 fpt_for_each_segment(fru_treehdl_t treenode,
948 			int (*function)(fru_treeseghdl_t segment, void *args),
949 			void *args)
950 {
951 	int		num_segments = 0, status;
952 
953 	fru_errno_t	saved_status = FRU_SUCCESS;
954 
955 	picl_nodehdl_t	container = TREEHDL_TO_PICLHDL(treenode),
956 			section, segment;
957 
958 
959 	if ((status = update_data_nodes(container)) != FRU_SUCCESS)
960 		return (status);
961 
962 	/* process each section */
963 	for (status = picl_get_propval_by_name(container, PICL_PROP_CHILD,
964 						&section, sizeof (section));
965 		status == PICL_SUCCESS;
966 		status = picl_get_propval_by_name(section, PICL_PROP_PEER,
967 							&section,
968 							sizeof (section))) {
969 
970 		if (cmp_class_name(section, PICL_CLASS_SECTION) != FRU_SUCCESS)
971 			continue;
972 
973 		if ((status = picl_get_propval_by_name(section,
974 							PICL_PROP_NUM_SEGMENTS,
975 							&num_segments,
976 							sizeof (num_segments)))
977 		    == PICL_PROPNOTFOUND) {
978 			continue;
979 		} else if (status != PICL_SUCCESS) {
980 			saved_status = map_plugin_err(status);
981 			continue;
982 		} else if (num_segments == 0) {
983 			continue;
984 		}
985 
986 		/* process each segment */
987 		for (status = picl_get_propval_by_name(section,
988 							PICL_PROP_CHILD,
989 							&segment,
990 							sizeof (segment));
991 			status == PICL_SUCCESS;
992 			status = picl_get_propval_by_name(segment,
993 							PICL_PROP_PEER,
994 							&segment,
995 							sizeof (segment))) {
996 
997 			if (cmp_class_name(segment, PICL_CLASS_SEGMENT)
998 			    != FRU_SUCCESS) continue;
999 
1000 			if ((status = function(PICLHDL_TO_TREESEGHDL(segment),
1001 						args))
1002 			    != FRU_SUCCESS) return (status);
1003 		}
1004 
1005 		if (status != PICL_PROPNOTFOUND)
1006 			saved_status = map_plugin_err(status);
1007 	}
1008 
1009 	if (status != PICL_PROPNOTFOUND)
1010 		saved_status = map_plugin_err(status);
1011 
1012 	return (saved_status);
1013 }
1014 
1015 /* ========================================================================= */
1016 static fru_errno_t
1017 fpt_get_segment_name(fru_treeseghdl_t segment, char **name)
1018 {
1019 	char		*propval;
1020 
1021 	int		status;
1022 
1023 	picl_prophdl_t	proph = 0;
1024 
1025 	picl_propinfo_t	propinfo;
1026 
1027 
1028 	if ((status = picl_get_propinfo_by_name(TREESEGHDL_TO_PICLHDL(segment),
1029 		PICL_PROP_NAME, &propinfo, &proph))
1030 	    != PICL_SUCCESS)
1031 		return (map_plugin_err(status));
1032 
1033 	if (propinfo.size == 0)
1034 		return (FRU_INVALDATASIZE);
1035 
1036 	if ((propval = malloc(propinfo.size)) == NULL)
1037 		return (FRU_NOSPACE);
1038 
1039 	if ((status = picl_get_propval(proph, propval, propinfo.size))
1040 	    != PICL_SUCCESS) {
1041 		free(propval);
1042 		return (map_plugin_err(status));
1043 	}
1044 
1045 	*name = propval;
1046 
1047 	return (FRU_SUCCESS);
1048 }
1049 
1050 /* ========================================================================= */
1051 static fru_errno_t
1052 fpt_for_each_packet(fru_treeseghdl_t treesegment,
1053 			int (*function)(fru_tag_t *tag, uint8_t *payload,
1054 					size_t length,
1055 			void *args),
1056     void *args)
1057 {
1058 	int		status;
1059 
1060 	uint8_t		*payload;
1061 
1062 	picl_nodehdl_t	segment = TREESEGHDL_TO_PICLHDL(treesegment);
1063 
1064 	picl_prophdl_t	packet, payloadh = 0;
1065 
1066 	picl_propinfo_t	propinfo;
1067 
1068 	fru_segdesc_t	descriptor;
1069 
1070 	fru_tag_t	tag;
1071 
1072 
1073 	if ((status = picl_get_propval_by_name(segment, PICL_PROP_DESCRIPTOR,
1074 						&descriptor,
1075 						sizeof (descriptor)))
1076 	    != PICL_SUCCESS) return (map_plugin_err(status));
1077 
1078 	if (descriptor.field.opaque)
1079 		return (FRU_SUCCESS);
1080 
1081 	if (descriptor.field.encrypted && (encrypt_func == NULL))
1082 		return (FRU_SUCCESS);
1083 
1084 	if ((status = picl_get_propval_by_name(segment, PICL_PROP_PACKET_TABLE,
1085 						&packet, sizeof (packet)))
1086 	    == PICL_PROPNOTFOUND)
1087 		return (FRU_SUCCESS);
1088 	else if (status != PICL_SUCCESS)
1089 		return (map_plugin_err(status));
1090 
1091 	while ((status = picl_get_next_by_col(packet, &packet))
1092 		== PICL_SUCCESS) {
1093 		if (((status = picl_get_propval(packet, &tag, sizeof (tag)))
1094 			!= PICL_SUCCESS) ||
1095 		    ((status = picl_get_next_by_row(packet, &payloadh))
1096 			!= PICL_SUCCESS) ||
1097 		    ((status = picl_get_propinfo(payloadh, &propinfo))
1098 			!= PICL_SUCCESS))
1099 			return (map_plugin_err(status));
1100 
1101 		if (propinfo.size > 0) {
1102 			payload = alloca(propinfo.size);
1103 			if ((status = picl_get_propval(payloadh, payload,
1104 							propinfo.size))
1105 			    != PICL_SUCCESS) return (map_plugin_err(status));
1106 		} else {
1107 			payload = NULL;
1108 		}
1109 
1110 		if ((descriptor.field.encrypted) &&
1111 		    ((status = encrypt_func(FRU_DECRYPT, payload,
1112 						propinfo.size))
1113 			!= FRU_SUCCESS)) return status;
1114 
1115 		if ((status = function(&tag, payload, propinfo.size, args))
1116 		    != FRU_SUCCESS) return (status);
1117 	}
1118 
1119 	if (status == PICL_ENDOFLIST)
1120 		return (FRU_SUCCESS);
1121 	else
1122 		return (map_plugin_err(status));
1123 }
1124 
1125 /* ========================================================================= */
1126 /* ARGSUSED0 */
1127 static fru_errno_t
1128 initialize(int argc, char **argv)
1129 {
1130 	/* LINTED */
1131 	int rc = PICL_SUCCESS;
1132 	if ((rc = picl_initialize()) != PICL_SUCCESS) {
1133 		return (FRU_FAILURE);
1134 	}
1135 
1136 	return (FRU_SUCCESS);
1137 }
1138 
1139 /* ========================================================================= */
1140 static fru_errno_t
1141 shutdown(void)
1142 {
1143 	if (picl_shutdown() != PICL_SUCCESS) {
1144 		return (FRU_FAILURE);
1145 	}
1146 	return (FRU_SUCCESS);
1147 }
1148 
1149 /* ========================================================================= */
1150 /* object for libfru to link to */
1151 fru_datasource_t data_source =
1152 {
1153 	LIBFRU_DS_VER,
1154 	initialize,
1155 	shutdown,
1156 	fpt_get_root,
1157 	fpt_get_child,
1158 	fpt_get_peer,
1159 	fpt_get_parent,
1160 	fpt_get_name_from_hdl,
1161 	fpt_get_node_type,
1162 	fpt_get_seg_list,
1163 	fpt_get_seg_def,
1164 	fpt_add_seg,
1165 	fpt_delete_seg,
1166 	fpt_for_each_segment,
1167 	fpt_get_segment_name,
1168 	fpt_add_tag_to_seg,
1169 	fpt_get_tag_list,
1170 	fpt_get_tag_data,
1171 	fpt_set_tag_data,
1172 	fpt_delete_tag,
1173 	fpt_for_each_packet
1174 };
1175