1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23 *
24 * platform.c -- interfaces to the platform's configuration information
25 *
26 * this platform.c allows eft to run on Solaris systems.
27 */
28
29#include <stdio.h>
30#include <stdlib.h>
31#include <string.h>
32#include <strings.h>
33#include <ctype.h>
34#include <dirent.h>
35#include <libnvpair.h>
36#include <dlfcn.h>
37#include <unistd.h>
38#include <errno.h>
39#include <stropts.h>
40#include <sys/types.h>
41#include <sys/stat.h>
42#include <sys/wait.h>
43#include <sys/filio.h>
44#include <sys/param.h>
45#include <sys/fm/protocol.h>
46#include <fm/fmd_api.h>
47#include <fm/fmd_fmri.h>
48#include <fm/libtopo.h>
49#include <fm/topo_hc.h>
50#include "alloc.h"
51#include "out.h"
52#include "tree.h"
53#include "itree.h"
54#include "ipath.h"
55#include "ptree.h"
56#include "fme.h"
57#include "stable.h"
58#include "eval.h"
59#include "config.h"
60#include "platform.h"
61
62extern fmd_hdl_t *Hdl;		/* handle from eft.c */
63
64/*
65 * Lastcfg points to the last configuration snapshot we made.
66 */
67static struct cfgdata *Lastcfg;
68static fmd_hdl_t *Lasthdl;
69static fmd_case_t *Lastfmcase;
70static const char *lastcomp;
71static int in_getpath;
72extern struct lut *Usednames;
73int prune_raw_config = 0;
74
75static topo_hdl_t *Eft_topo_hdl;
76
77void *
78topo_use_alloc(size_t bytes)
79{
80	void *p = alloc_malloc(bytes, NULL, 0);
81
82	bzero(p, bytes);
83	return (p);
84}
85
86void
87topo_use_free(void *p)
88{
89	alloc_free(p, NULL, 0);
90}
91
92/*ARGSUSED*/
93static void *
94alloc_nv_alloc(nv_alloc_t *nva, size_t size)
95{
96	return (alloc_malloc(size, NULL, 0));
97}
98
99/*ARGSUSED*/
100static void
101alloc_nv_free(nv_alloc_t *nva, void *p, size_t sz)
102{
103	alloc_free(p, NULL, 0);
104}
105
106const nv_alloc_ops_t Eft_nv_alloc_ops = {
107	NULL,		/* nv_ao_init() */
108	NULL,		/* nv_ao_fini() */
109	alloc_nv_alloc,	/* nv_ao_alloc() */
110	alloc_nv_free,	/* nv_ao_free() */
111	NULL		/* nv_ao_reset() */
112};
113
114nv_alloc_t Eft_nv_hdl;
115
116static char *Root;
117static char *Mach;
118static char *Plat;
119static char tmpbuf[MAXPATHLEN];
120static char numbuf[MAXPATHLEN];
121
122/*
123 * platform_globals -- set global variables based on sysinfo() calls
124 */
125static void
126platform_globals()
127{
128	Root = fmd_prop_get_string(Hdl, "fmd.rootdir");
129	Mach = fmd_prop_get_string(Hdl, "fmd.machine");
130	Plat = fmd_prop_get_string(Hdl, "fmd.platform");
131}
132
133static void
134platform_free_globals()
135{
136	fmd_prop_free_string(Hdl, Root);
137	fmd_prop_free_string(Hdl, Mach);
138	fmd_prop_free_string(Hdl, Plat);
139}
140
141/*
142 * platform_init -- perform any platform-specific initialization
143 */
144void
145platform_init(void)
146{
147	(void) nv_alloc_init(&Eft_nv_hdl, &Eft_nv_alloc_ops);
148	Eft_topo_hdl = fmd_hdl_topo_hold(Hdl, TOPO_VERSION);
149	platform_globals();
150
151	out(O_ALTFP, "platform_init() sucessful");
152}
153
154void
155platform_fini(void)
156{
157	if (Lastcfg != NULL) {
158		config_free(Lastcfg);
159		Lastcfg = NULL;
160	}
161	fmd_hdl_topo_rele(Hdl, Eft_topo_hdl);
162	platform_free_globals();
163	(void) nv_alloc_fini(&Eft_nv_hdl);
164
165	out(O_ALTFP, "platform_fini() sucessful");
166}
167
168/*
169 * hc_fmri_nodeize -- convert hc-scheme FMRI to eft compatible format
170 *
171 * this is an internal platform.c helper routine
172 */
173static struct node *
174hc_fmri_nodeize(nvlist_t *hcfmri)
175{
176	struct node *pathtree = NULL;
177	struct node *tmpn;
178	nvlist_t **hc_prs;
179	uint_t hc_nprs;
180	const char *sname;
181	char *ename;
182	char *eid;
183	int e, r;
184
185	/*
186	 * What to do with/about hc-root?  Would we have any clue what
187	 * to do with it if it weren't /?  For now, we don't bother
188	 * even looking it up.
189	 */
190
191	/*
192	 * Get the hc-list of elements in the FMRI
193	 */
194	if (nvlist_lookup_nvlist_array(hcfmri, FM_FMRI_HC_LIST,
195	    &hc_prs, &hc_nprs) != 0) {
196		out(O_ALTFP, "XFILE: hc FMRI missing %s", FM_FMRI_HC_LIST);
197		return (NULL);
198	}
199
200	for (e = 0; e < hc_nprs; e++) {
201		ename = NULL;
202		eid = NULL;
203		r = nvlist_lookup_string(hc_prs[e], FM_FMRI_HC_NAME, &ename);
204		r |= nvlist_lookup_string(hc_prs[e], FM_FMRI_HC_ID, &eid);
205		if (r != 0) {
206			/* probably should bail */
207			continue;
208		}
209		sname = stable(ename);
210		tmpn = tree_name_iterator(
211		    tree_name(sname, IT_VERTICAL, NULL, 0),
212		    tree_num(eid, NULL, 0));
213
214		if (pathtree == NULL)
215			pathtree = tmpn;
216		else
217			(void) tree_name_append(pathtree, tmpn);
218	}
219
220	return (pathtree);
221}
222
223/*
224 * platform_getpath -- extract eft-compatible path from ereport
225 */
226struct node *
227platform_getpath(nvlist_t *nvl)
228{
229	struct node	*ret;
230	nvlist_t	*dfmri, *real_fmri, *resource;
231	char		*scheme;
232	char		*path;
233	char		*devid;
234	char		*tp;
235	uint32_t	cpuid;
236	int		err;
237	enum {DT_HC, DT_DEVID, DT_TP, DT_DEV, DT_CPU, DT_UNKNOWN} type =
238		DT_UNKNOWN;
239
240	/* Find the detector */
241	if (nvlist_lookup_nvlist(nvl, FM_EREPORT_DETECTOR, &dfmri) != 0) {
242		out(O_ALTFP, "XFILE: ereport has no detector FMRI");
243		return (NULL);
244	}
245
246	/* get the scheme from the detector */
247	if (nvlist_lookup_string(dfmri, FM_FMRI_SCHEME, &scheme) != 0) {
248		out(O_ALTFP, "XFILE: detector FMRI missing scheme");
249		return (NULL);
250	}
251
252	/* based on scheme, determine type */
253	if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
254		/* already in hc scheme */
255		type = DT_HC;
256	} else if (strcmp(scheme, FM_FMRI_SCHEME_DEV) == 0) {
257		/*
258		 * devid takes precedence over tp which takes precedence over
259		 * path
260		 */
261		if (nvlist_lookup_string(dfmri,
262		    FM_FMRI_DEV_ID, &devid) == 0)
263			type = DT_DEVID;
264		else if (nvlist_lookup_string(dfmri,
265		    TOPO_STORAGE_TARGET_PORT_L0ID, &tp) == 0)
266			type = DT_TP;
267		else if (nvlist_lookup_string(dfmri,
268		    FM_FMRI_DEV_PATH, &path) == 0)
269			type = DT_DEV;
270		else {
271			out(O_ALTFP, "XFILE: detector FMRI missing %s or %s",
272			    FM_FMRI_DEV_ID, FM_FMRI_DEV_PATH);
273			return (NULL);
274		}
275	} else if (strcmp(scheme, FM_FMRI_SCHEME_CPU) == 0) {
276		if (nvlist_lookup_uint32(dfmri, FM_FMRI_CPU_ID, &cpuid) == 0)
277			type = DT_CPU;
278		else {
279			out(O_ALTFP, "XFILE: detector FMRI missing %s",
280			    FM_FMRI_CPU_ID);
281			return (NULL);
282		}
283	} else {
284		out(O_ALTFP, "XFILE: detector FMRI not recognized "
285		    "(scheme is %s, expect %s or %s or %s)",
286		    scheme, FM_FMRI_SCHEME_HC, FM_FMRI_SCHEME_DEV,
287		    FM_FMRI_SCHEME_CPU);
288		return (NULL);
289	}
290
291	out(O_ALTFP|O_VERB, "Received ereport in scheme %s", scheme);
292
293	/* take a config snapshot */
294	lut_free(Usednames, NULL, NULL);
295	Usednames = NULL;
296	in_getpath = 1;
297	if (config_snapshot() == NULL) {
298		if (type == DT_HC) {
299			/*
300			 * If hc-scheme use the fmri that was passed in.
301			 */
302			in_getpath = 0;
303			return (hc_fmri_nodeize(dfmri));
304		}
305		out(O_ALTFP, "XFILE: cannot snapshot configuration");
306		in_getpath = 0;
307		return (NULL);
308	}
309
310	/*
311	 * For hc scheme, if we can find the resource from the tolopogy, use
312	 * that - otherwise use the fmri that was passed in. For other schemes
313	 * look up the path, cpuid, tp or devid in the topology.
314	 */
315	switch (type) {
316	case DT_HC:
317		if (topo_fmri_getprop(Eft_topo_hdl, dfmri, TOPO_PGROUP_PROTOCOL,
318		    TOPO_PROP_RESOURCE, NULL, &resource, &err) == -1) {
319			ret = hc_fmri_nodeize(dfmri);
320			break;
321		} else if (nvlist_lookup_nvlist(resource,
322		    TOPO_PROP_VAL_VAL, &real_fmri) != 0)
323			ret = hc_fmri_nodeize(dfmri);
324		else
325			ret = hc_fmri_nodeize(real_fmri);
326
327		nvlist_free(resource);
328		break;
329
330	case DT_DEV:
331		if ((ret = config_bydev_lookup(Lastcfg, path)) == NULL)
332			out(O_ALTFP, "platform_getpath: no configuration node "
333			    "has device path matching \"%s\".", path);
334
335		break;
336
337	case DT_TP:
338		if ((ret = config_bytp_lookup(Lastcfg, tp)) == NULL)
339			out(O_ALTFP, "platform_getpath: no configuration node "
340			    "has tp matching \"%s\".", tp);
341		break;
342
343	case DT_DEVID:
344		if ((ret = config_bydevid_lookup(Lastcfg, devid)) == NULL)
345			out(O_ALTFP, "platform_getpath: no configuration node "
346			    "has devid matching \"%s\".", devid);
347		break;
348
349	case DT_CPU:
350		if ((ret = config_bycpuid_lookup(Lastcfg, cpuid)) == NULL)
351			out(O_ALTFP, "platform_getpath: no configuration node "
352			    "has cpu-id matching %u.", cpuid);
353		break;
354	}
355
356	/* free the snapshot */
357	structconfig_free(Lastcfg->cooked);
358	config_free(Lastcfg);
359	in_getpath = 0;
360	return (ret);
361}
362
363/* Allocate space for raw config strings in chunks of this size */
364#define	STRSBUFLEN	512
365
366/*
367 * cfgadjust -- Make sure the amount we want to add to the raw config string
368 *		buffer will fit, and if not, increase the size of the buffer.
369 */
370static void
371cfgadjust(struct cfgdata *rawdata, int addlen)
372{
373	int curnext, newlen;
374
375	if (rawdata->nextfree + addlen >= rawdata->end) {
376		newlen = (((rawdata->nextfree - rawdata->begin + 1 + addlen)
377		    / STRSBUFLEN) + 1) * STRSBUFLEN;
378		curnext = rawdata->nextfree - rawdata->begin;
379		rawdata->begin = REALLOC(rawdata->begin, newlen);
380		rawdata->nextfree = rawdata->begin + curnext;
381		rawdata->end = rawdata->begin + newlen;
382	}
383}
384
385static char *
386hc_path(tnode_t *node)
387{
388	int i, err;
389	char *name, *instance, *estr;
390	nvlist_t *fmri, **hcl;
391	ulong_t ul;
392	uint_t nhc;
393
394	if (topo_prop_get_fmri(node, TOPO_PGROUP_PROTOCOL, TOPO_PROP_RESOURCE,
395	    &fmri, &err) < 0)
396		return (NULL);
397
398	if (nvlist_lookup_nvlist_array(fmri, FM_FMRI_HC_LIST, &hcl, &nhc)
399	    != 0) {
400		nvlist_free(fmri);
401		return (NULL);
402	}
403
404	tmpbuf[0] = '\0';
405	for (i = 0; i < nhc; ++i) {
406		err = nvlist_lookup_string(hcl[i], FM_FMRI_HC_NAME, &name);
407		err |= nvlist_lookup_string(hcl[i], FM_FMRI_HC_ID, &instance);
408		if (err) {
409			nvlist_free(fmri);
410			return (NULL);
411		}
412
413		ul = strtoul(instance, &estr, 10);
414		/* conversion to number failed? */
415		if (estr == instance) {
416			nvlist_free(fmri);
417			return (NULL);
418		}
419
420		(void) strlcat(tmpbuf, "/", MAXPATHLEN);
421		(void) strlcat(tmpbuf, name, MAXPATHLEN);
422		(void) snprintf(numbuf, MAXPATHLEN, "%lu", ul);
423		(void) strlcat(tmpbuf, numbuf, MAXPATHLEN);
424		lastcomp = stable(name);
425	}
426
427	nvlist_free(fmri);
428
429	return (tmpbuf);
430}
431
432static void
433add_prop_val(topo_hdl_t *thp, struct cfgdata *rawdata, char *propn,
434    nvpair_t *pv_nvp)
435{
436	int addlen, err;
437	char *propv, *fmristr = NULL;
438	nvlist_t *fmri;
439	uint32_t ui32;
440	int64_t i64;
441	int32_t i32;
442	boolean_t bool;
443	uint64_t ui64;
444	char buf[32];	/* big enough for any 64-bit int */
445	uint_t nelem;
446	int i, j, sz;
447	char **propvv;
448
449	/*
450	 * malformed prop nvpair
451	 */
452	if (propn == NULL)
453		return;
454
455	switch (nvpair_type(pv_nvp)) {
456	case DATA_TYPE_STRING_ARRAY:
457		/*
458		 * Convert string array into single space-separated string
459		 */
460		(void) nvpair_value_string_array(pv_nvp, &propvv, &nelem);
461		for (sz = 0, i = 0; i < nelem; i++)
462			sz += strlen(propvv[i]) + 1;
463		propv = MALLOC(sz);
464		for (j = 0, i = 0; i < nelem; j++, i++) {
465			(void) strcpy(&propv[j], propvv[i]);
466			j += strlen(propvv[i]);
467			if (i < nelem - 1)
468				propv[j] = ' ';
469		}
470		break;
471
472	case DATA_TYPE_STRING:
473		(void) nvpair_value_string(pv_nvp, &propv);
474		break;
475
476	case DATA_TYPE_NVLIST:
477		/*
478		 * At least try to collect the protocol
479		 * properties
480		 */
481		(void) nvpair_value_nvlist(pv_nvp, &fmri);
482		if (topo_fmri_nvl2str(thp, fmri, &fmristr, &err) < 0) {
483			out(O_ALTFP, "cfgcollect: failed to convert fmri to "
484			    "string");
485			return;
486		} else {
487			propv = fmristr;
488		}
489		break;
490
491	case DATA_TYPE_UINT64:
492		/*
493		 * Convert uint64 to hex strings
494		 */
495		(void) nvpair_value_uint64(pv_nvp, &ui64);
496		(void) snprintf(buf, sizeof (buf), "0x%llx", ui64);
497		propv = buf;
498		break;
499
500	case DATA_TYPE_BOOLEAN_VALUE:
501		/*
502		 * Convert boolean_t to hex strings
503		 */
504		(void) nvpair_value_boolean_value(pv_nvp, &bool);
505		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)bool);
506		propv = buf;
507		break;
508
509	case DATA_TYPE_INT32:
510		/*
511		 * Convert int32 to hex strings
512		 */
513		(void) nvpair_value_int32(pv_nvp, &i32);
514		(void) snprintf(buf, sizeof (buf), "0x%llx",
515		    (uint64_t)(int64_t)i32);
516		propv = buf;
517		break;
518
519	case DATA_TYPE_INT64:
520		/*
521		 * Convert int64 to hex strings
522		 */
523		(void) nvpair_value_int64(pv_nvp, &i64);
524		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)i64);
525		propv = buf;
526		break;
527
528	case DATA_TYPE_UINT32:
529		/*
530		 * Convert uint32 to hex strings
531		 */
532		(void) nvpair_value_uint32(pv_nvp, &ui32);
533		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)ui32);
534		propv = buf;
535		break;
536
537	default:
538		out(O_ALTFP, "cfgcollect: failed to get property value for "
539		    "%s", propn);
540		return;
541	}
542
543	/* = & NULL */
544	addlen = strlen(propn) + strlen(propv) + 2;
545	cfgadjust(rawdata, addlen);
546	(void) snprintf(rawdata->nextfree,
547	    rawdata->end - rawdata->nextfree, "%s=%s",
548	    propn, propv);
549	if (strcmp(propn, TOPO_PROP_RESOURCE) == 0)
550		out(O_ALTFP|O_VERB3, "cfgcollect: %s", propv);
551
552	if (nvpair_type(pv_nvp) == DATA_TYPE_STRING_ARRAY)
553		FREE(propv);
554
555	rawdata->nextfree += addlen;
556
557	if (fmristr != NULL)
558		topo_hdl_strfree(thp, fmristr);
559}
560
561/*
562 * cfgcollect -- Assemble raw configuration data in string form suitable
563 *		 for checkpointing.
564 */
565static int
566cfgcollect(topo_hdl_t *thp, tnode_t *node, void *arg)
567{
568	struct cfgdata *rawdata = (struct cfgdata *)arg;
569	int err, addlen;
570	char *propn, *path = NULL;
571	nvlist_t *p_nv, *pg_nv, *pv_nv;
572	nvpair_t *nvp, *pg_nvp, *pv_nvp;
573
574	if (topo_node_flags(node) == TOPO_NODE_FACILITY)
575		return (TOPO_WALK_NEXT);
576
577	path = hc_path(node);
578	if (path == NULL)
579		return (TOPO_WALK_ERR);
580
581	addlen = strlen(path) + 1;
582
583	cfgadjust(rawdata, addlen);
584	(void) strcpy(rawdata->nextfree, path);
585	rawdata->nextfree += addlen;
586
587	/*
588	 * If the prune_raw_config flag is set then we will only include in the
589	 * raw config those nodes that are used by the rules remaining after
590	 * prune_propagations() has been run - ie only those that could possibly
591	 * be relevant to the incoming ereport given the current rules. This
592	 * means that any other parts of the config will not get saved to the
593	 * checkpoint file (even if they may theoretically be used if the
594	 * rules are subsequently modified).
595	 *
596	 * For now prune_raw_config is 0 for Solaris, though it is expected to
597	 * be set to 1 for fmsp.
598	 *
599	 * Note we only prune the raw config like this if we have been called
600	 * from newfme(), not if we have been called when handling dev or cpu
601	 * scheme ereports from platform_getpath(), as this is called before
602	 * prune_propagations() - again this is not an issue on fmsp as the
603	 * ereports are all in hc scheme.
604	 */
605	if (!in_getpath && prune_raw_config &&
606	    lut_lookup(Usednames, (void *)lastcomp, NULL) == NULL)
607		return (TOPO_WALK_NEXT);
608
609	/*
610	 * Collect properties
611	 *
612	 * eversholt should support alternate property types
613	 * Better yet, topo properties could be represented as
614	 * a packed nvlist
615	 */
616	p_nv = topo_prop_getprops(node, &err);
617	for (nvp = nvlist_next_nvpair(p_nv, NULL); nvp != NULL;
618	    nvp = nvlist_next_nvpair(p_nv, nvp)) {
619		if (strcmp(TOPO_PROP_GROUP, nvpair_name(nvp)) != 0 ||
620		    nvpair_type(nvp) != DATA_TYPE_NVLIST)
621			continue;
622
623		(void) nvpair_value_nvlist(nvp, &pg_nv);
624
625		for (pg_nvp = nvlist_next_nvpair(pg_nv, NULL); pg_nvp != NULL;
626		    pg_nvp = nvlist_next_nvpair(pg_nv, pg_nvp)) {
627
628			if (strcmp(TOPO_PROP_VAL, nvpair_name(pg_nvp)) != 0 ||
629			    nvpair_type(pg_nvp) != DATA_TYPE_NVLIST)
630				continue;
631
632			(void) nvpair_value_nvlist(pg_nvp, &pv_nv);
633
634			propn = NULL;
635			for (pv_nvp = nvlist_next_nvpair(pv_nv, NULL);
636			    pv_nvp != NULL;
637			    pv_nvp = nvlist_next_nvpair(pv_nv, pv_nvp)) {
638
639				/* Get property name */
640				if (strcmp(TOPO_PROP_VAL_NAME,
641				    nvpair_name(pv_nvp)) == 0)
642					(void) nvpair_value_string(pv_nvp,
643					    &propn);
644
645				/*
646				 * Get property value
647				 */
648				if (strcmp(TOPO_PROP_VAL_VAL,
649				    nvpair_name(pv_nvp)) == 0)
650					add_prop_val(thp, rawdata, propn,
651					    pv_nvp);
652			}
653
654		}
655	}
656
657	nvlist_free(p_nv);
658
659	return (TOPO_WALK_NEXT);
660}
661
662void
663platform_restore_config(fmd_hdl_t *hdl, fmd_case_t *fmcase)
664{
665	if (hdl == Lasthdl && fmcase == Lastfmcase) {
666		size_t cfglen;
667
668		fmd_buf_read(Lasthdl, Lastfmcase, WOBUF_CFGLEN, (void *)&cfglen,
669		    sizeof (size_t));
670		Lastcfg->begin = MALLOC(cfglen);
671		Lastcfg->end = Lastcfg->nextfree = Lastcfg->begin + cfglen;
672		fmd_buf_read(Lasthdl, Lastfmcase, WOBUF_CFG, Lastcfg->begin,
673		    cfglen);
674		Lasthdl = NULL;
675		Lastfmcase = NULL;
676	}
677}
678
679void
680platform_save_config(fmd_hdl_t *hdl, fmd_case_t *fmcase)
681{
682	size_t cfglen;
683
684	/*
685	 * Put the raw config into an fmd_buf. Then we can free it to
686	 * save space.
687	 */
688	Lastfmcase = fmcase;
689	Lasthdl = hdl;
690	cfglen = Lastcfg->nextfree - Lastcfg->begin;
691	fmd_buf_create(hdl, fmcase, WOBUF_CFGLEN, sizeof (cfglen));
692	fmd_buf_write(hdl, fmcase, WOBUF_CFGLEN, (void *)&cfglen,
693	    sizeof (cfglen));
694	if (cfglen != 0) {
695		fmd_buf_create(hdl, fmcase, WOBUF_CFG, cfglen);
696		fmd_buf_write(hdl, fmcase, WOBUF_CFG, Lastcfg->begin, cfglen);
697	}
698	FREE(Lastcfg->begin);
699	Lastcfg->begin = NULL;
700	Lastcfg->end = NULL;
701	Lastcfg->nextfree = NULL;
702}
703
704/*
705 * platform_config_snapshot -- gather a snapshot of the current configuration
706 */
707struct cfgdata *
708platform_config_snapshot(void)
709{
710	int err;
711	topo_walk_t *twp;
712	static uint64_t lastgen;
713	uint64_t curgen;
714
715	/*
716	 * If the DR generation number has changed,
717	 * we need to grab a new snapshot, otherwise we
718	 * can simply point them at the last config.
719	 */
720	if (prune_raw_config == 0 && (curgen = fmd_fmri_get_drgen()) <=
721	    lastgen && Lastcfg != NULL) {
722		Lastcfg->raw_refcnt++;
723		/*
724		 * if config has been backed away to an fmd_buf, restore it
725		 */
726		if (Lastcfg->begin == NULL)
727			platform_restore_config(Lasthdl, Lastfmcase);
728		return (Lastcfg);
729	}
730
731	lastgen = curgen;
732	/* we're getting a new config, so clean up the last one */
733	if (Lastcfg != NULL) {
734		config_free(Lastcfg);
735	}
736
737	Lastcfg = MALLOC(sizeof (struct cfgdata));
738	Lastcfg->raw_refcnt = 2;	/* caller + Lastcfg */
739	Lastcfg->begin = Lastcfg->nextfree = Lastcfg->end = NULL;
740	Lastcfg->cooked = NULL;
741	Lastcfg->devcache = NULL;
742	Lastcfg->devidcache = NULL;
743	Lastcfg->tpcache = NULL;
744	Lastcfg->cpucache = NULL;
745
746
747	fmd_hdl_topo_rele(Hdl, Eft_topo_hdl);
748	Eft_topo_hdl = fmd_hdl_topo_hold(Hdl, TOPO_VERSION);
749
750	if ((twp = topo_walk_init(Eft_topo_hdl, FM_FMRI_SCHEME_HC, cfgcollect,
751	    Lastcfg, &err)) == NULL) {
752		out(O_DIE, "platform_config_snapshot: NULL topology tree: %s",
753		    topo_strerror(err));
754	}
755
756	if (topo_walk_step(twp, TOPO_WALK_CHILD) == TOPO_WALK_ERR) {
757		topo_walk_fini(twp);
758		out(O_DIE, "platform_config_snapshot: error walking topology "
759		    "tree");
760	}
761
762	topo_walk_fini(twp);
763	out(O_ALTFP|O_STAMP, "raw config complete");
764
765
766	return (Lastcfg);
767}
768
769static const char *
770cfgstrprop_lookup(struct config *croot, char *path, char *pname)
771{
772	struct config *cresource;
773	const char *fmristr;
774
775	/*
776	 * The first order of business is to find the resource in the
777	 * config database so we can examine properties associated with
778	 * that node.
779	 */
780	if ((cresource = config_lookup(croot, path, 0)) == NULL) {
781		out(O_ALTFP, "Cannot find config info for %s.", path);
782		return (NULL);
783	}
784	if ((fmristr = config_getprop(cresource, pname)) == NULL) {
785		out(O_ALTFP, "Cannot find %s property for %s resource "
786		    "re-write", pname, path);
787		return (NULL);
788	}
789	return (fmristr);
790}
791
792/*
793 * Get resource FMRI from libtopo
794 */
795/*ARGSUSED*/
796void
797platform_units_translate(int isdefect, struct config *croot,
798    nvlist_t **dfltasru, nvlist_t **dfltfru, nvlist_t **dfltrsrc, char *path)
799{
800	const char *fmristr;
801	char *serial;
802	nvlist_t *rsrc;
803	int err;
804
805	fmristr = cfgstrprop_lookup(croot, path, TOPO_PROP_RESOURCE);
806	if (fmristr == NULL) {
807		out(O_ALTFP, "Cannot rewrite resource for %s.", path);
808		return;
809	}
810	if (topo_fmri_str2nvl(Eft_topo_hdl, fmristr, &rsrc, &err) < 0) {
811		out(O_ALTFP, "Can not convert config info: %s",
812		    topo_strerror(err));
813		out(O_ALTFP, "Cannot rewrite resource for %s.", path);
814		return;
815	}
816
817	/*
818	 * If we don't have a serial number in the resource then check if it
819	 * is available as a separate property and if so then add it.
820	 */
821	if (nvlist_lookup_string(rsrc, FM_FMRI_HC_SERIAL_ID, &serial) != 0) {
822		serial = (char *)cfgstrprop_lookup(croot, path,
823		    FM_FMRI_HC_SERIAL_ID);
824		if (serial != NULL)
825			(void) nvlist_add_string(rsrc, FM_FMRI_HC_SERIAL_ID,
826			    serial);
827	}
828
829	*dfltrsrc = rsrc;
830}
831
832/*
833 * platform_get_files -- return names of all files we should load
834 *
835 * search directories in dirname[] for all files with names ending with the
836 * substring fnstr.  dirname[] should be a NULL-terminated array.  fnstr
837 * may be set to "*" to indicate all files in a directory.
838 *
839 * if nodups is non-zero, then the first file of a given name found is
840 * the only file added to the list of names.  for example if nodups is
841 * set and we're looking for .efts, and find a pci.eft in the dirname[0],
842 * then no pci.eft found in any of the other dirname[] entries will be
843 * included in the final list of names.
844 *
845 * this routine doesn't return NULL, even if no files are found (in that
846 * case, a char ** is returned with the first element NULL).
847 */
848static char **
849platform_get_files(const char *dirname[], const char *fnstr, int nodups)
850{
851	DIR *dirp;
852	struct dirent *dp;
853	struct lut *foundnames = NULL;
854	char **files = NULL;	/* char * array of filenames found */
855	int nfiles = 0;		/* files found so far */
856	int slots = 0;		/* char * slots allocated in files */
857	size_t fnlen, d_namelen;
858	size_t totlen;
859	int i;
860	static char *nullav;
861
862	ASSERT(fnstr != NULL);
863	fnlen = strlen(fnstr);
864
865	for (i = 0; dirname[i] != NULL; i++) {
866		out(O_VERB, "Looking for %s files in %s", fnstr, dirname[i]);
867		if ((dirp = opendir(dirname[i])) == NULL) {
868			out(O_DEBUG|O_SYS,
869			    "platform_get_files: opendir failed for %s",
870			    dirname[i]);
871			continue;
872		}
873		while ((dp = readdir(dirp)) != NULL) {
874			if ((fnlen == 1 && *fnstr == '*') ||
875			    ((d_namelen = strlen(dp->d_name)) >= fnlen &&
876			    strncmp(dp->d_name + d_namelen - fnlen,
877			    fnstr, fnlen) == 0)) {
878
879				if (nodups != 0) {
880					const char *snm = stable(dp->d_name);
881
882					if (lut_lookup(foundnames,
883					    (void *)snm,
884					    NULL) != NULL) {
885						out(O_VERB,
886						    "platform_get_files: "
887						    "skipping repeated name "
888						    "%s/%s",
889						    dirname[i],
890						    snm);
891						continue;
892					}
893					foundnames = lut_add(foundnames,
894					    (void *)snm,
895					    (void *)snm,
896					    NULL);
897				}
898
899				if (nfiles > slots - 2) {
900					/* allocate ten more slots */
901					slots += 10;
902					files = (char **)REALLOC(files,
903					    slots * sizeof (char *));
904				}
905				/* prepend directory name and / */
906				totlen = strlen(dirname[i]) + 1;
907				totlen += strlen(dp->d_name) + 1;
908				files[nfiles] = MALLOC(totlen);
909				out(O_VERB, "File %d: \"%s/%s\"", nfiles,
910				    dirname[i], dp->d_name);
911				(void) snprintf(files[nfiles++], totlen,
912				    "%s/%s", dirname[i], dp->d_name);
913			}
914		}
915		(void) closedir(dirp);
916	}
917
918	if (foundnames != NULL)
919		lut_free(foundnames, NULL, NULL);
920
921	if (nfiles == 0)
922		return (&nullav);
923
924	files[nfiles] = NULL;
925	return (files);
926}
927
928/*
929 * search for files in a standard set of directories
930 */
931static char **
932platform_get_files_stddirs(char *fname, int nodups)
933{
934	const char *dirlist[4];
935	char **flist;
936	char *eftgendir, *eftmachdir, *eftplatdir;
937
938	eftgendir = MALLOC(MAXPATHLEN);
939	eftmachdir = MALLOC(MAXPATHLEN);
940	eftplatdir = MALLOC(MAXPATHLEN);
941
942	/* Generic files that apply to any machine */
943	(void) snprintf(eftgendir, MAXPATHLEN, "%s/usr/lib/fm/eft", Root);
944
945	(void) snprintf(eftmachdir,
946	    MAXPATHLEN, "%s/usr/platform/%s/lib/fm/eft", Root, Mach);
947
948	(void) snprintf(eftplatdir,
949	    MAXPATHLEN, "%s/usr/platform/%s/lib/fm/eft", Root, Plat);
950
951	dirlist[0] = eftplatdir;
952	dirlist[1] = eftmachdir;
953	dirlist[2] = eftgendir;
954	dirlist[3] = NULL;
955
956	flist = platform_get_files(dirlist, fname, nodups);
957
958	FREE(eftplatdir);
959	FREE(eftmachdir);
960	FREE(eftgendir);
961
962	return (flist);
963}
964
965/*
966 * platform_run_poller -- execute a poller
967 *
968 * when eft needs to know if a polled ereport exists this routine
969 * is called so the poller code may be run in a platform-specific way.
970 * there's no return value from this routine -- either the polled ereport
971 * is generated (and delivered *before* this routine returns) or not.
972 * any errors, like "poller unknown" are considered platform-specific
973 * should be handled here rather than passing an error back up.
974 */
975/*ARGSUSED*/
976void
977platform_run_poller(const char *poller)
978{
979}
980
981/*
982 * fork and execve path with argument array argv and environment array
983 * envp.  data from stdout and stderr are placed in outbuf and errbuf,
984 * respectively.
985 *
986 * see execve(2) for more descriptions for path, argv and envp.
987 */
988static int
989forkandexecve(const char *path, char *const argv[], char *const envp[],
990	char *outbuf, size_t outbuflen, char *errbuf, size_t errbuflen)
991{
992	pid_t pid;
993	int outpipe[2], errpipe[2];
994	int rt = 0;
995
996	/*
997	 * run the cmd and see if it failed.  this function is *not* a
998	 * generic command runner -- we depend on some knowledge we
999	 * have about the commands we run.  first of all, we expect
1000	 * errors to spew something to stdout, and that something is
1001	 * typically short enough to fit into a pipe so we can wait()
1002	 * for the command to complete and then fetch the error text
1003	 * from the pipe.
1004	 */
1005	if (pipe(outpipe) < 0)
1006		if (strlcat(errbuf, ": pipe(outpipe) failed",
1007		    errbuflen) >= errbuflen)
1008			return (1);
1009	if (pipe(errpipe) < 0)
1010		if (strlcat(errbuf, ": pipe(errpipe) failed",
1011		    errbuflen) >= errbuflen)
1012			return (1);
1013
1014	if ((pid = fork()) < 0) {
1015		rt = (int)strlcat(errbuf, ": fork() failed", errbuflen);
1016	} else if (pid) {
1017		int wstat, count;
1018
1019		/* parent */
1020		(void) close(errpipe[1]);
1021		(void) close(outpipe[1]);
1022
1023		/* PHASE2 need to guard against hang in child? */
1024		if (waitpid(pid, &wstat, 0) < 0)
1025			if (strlcat(errbuf, ": waitpid() failed",
1026			    errbuflen) >= errbuflen)
1027				return (1);
1028
1029		/* check for stderr contents */
1030		if (ioctl(errpipe[0], FIONREAD, &count) >= 0 && count) {
1031			if (read(errpipe[0], errbuf, errbuflen) <= 0) {
1032				/*
1033				 * read failed even though ioctl indicated
1034				 * that nonzero bytes were available for
1035				 * reading
1036				 */
1037				if (strlcat(errbuf, ": read(errpipe) failed",
1038				    errbuflen) >= errbuflen)
1039					return (1);
1040			}
1041			/*
1042			 * handle case where errbuf is not properly
1043			 * terminated
1044			 */
1045			if (count > errbuflen - 1)
1046				count = errbuflen - 1;
1047			if (errbuf[count - 1] != '\0' &&
1048			    errbuf[count - 1] != '\n')
1049				errbuf[count] = '\0';
1050		} else if (WIFSIGNALED(wstat))
1051			if (strlcat(errbuf, ": signaled",
1052			    errbuflen) >= errbuflen)
1053				return (1);
1054		else if (WIFEXITED(wstat) && WEXITSTATUS(wstat))
1055			if (strlcat(errbuf, ": abnormal exit",
1056			    errbuflen) >= errbuflen)
1057				return (1);
1058
1059		/* check for stdout contents */
1060		if (ioctl(outpipe[0], FIONREAD, &count) >= 0 && count) {
1061			if (read(outpipe[0], outbuf, outbuflen) <= 0) {
1062				/*
1063				 * read failed even though ioctl indicated
1064				 * that nonzero bytes were available for
1065				 * reading
1066				 */
1067				if (strlcat(errbuf, ": read(outpipe) failed",
1068				    errbuflen) >= errbuflen)
1069					return (1);
1070			}
1071			/*
1072			 * handle case where outbuf is not properly
1073			 * terminated
1074			 */
1075			if (count > outbuflen - 1)
1076				count = outbuflen - 1;
1077			if (outbuf[count - 1] != '\0' &&
1078			    outbuf[count - 1] != '\n')
1079				outbuf[count] = '\0';
1080		}
1081
1082		(void) close(errpipe[0]);
1083		(void) close(outpipe[0]);
1084	} else {
1085		/* child */
1086		(void) dup2(errpipe[1], fileno(stderr));
1087		(void) close(errpipe[0]);
1088		(void) dup2(outpipe[1], fileno(stdout));
1089		(void) close(outpipe[0]);
1090
1091		if (execve(path, argv, envp))
1092			perror(path);
1093		_exit(1);
1094	}
1095
1096	return (rt);
1097}
1098
1099#define	MAXDIGITIDX	23
1100
1101static int
1102arglist2argv(struct node *np, struct lut **globals, struct config *croot,
1103	struct arrow *arrowp, char ***argv, int *argc, int *argvlen)
1104{
1105	struct node *namep;
1106	char numbuf[MAXDIGITIDX + 1];
1107	char *numstr, *nullbyte;
1108	char *addthisarg = NULL;
1109
1110	if (np == NULL)
1111		return (0);
1112
1113	switch (np->t) {
1114	case T_QUOTE:
1115		addthisarg = STRDUP(np->u.func.s);
1116		break;
1117	case T_LIST:
1118		if (arglist2argv(np->u.expr.left, globals, croot, arrowp,
1119		    argv, argc, argvlen))
1120			return (1);
1121		/*
1122		 * only leftmost element of a list can provide the command
1123		 * name (after which *argc becomes 1)
1124		 */
1125		ASSERT(*argc > 0);
1126		if (arglist2argv(np->u.expr.right, globals, croot, arrowp,
1127		    argv, argc, argvlen))
1128			return (1);
1129		break;
1130	case T_FUNC:
1131	case T_GLOBID:
1132	case T_ASSIGN:
1133	case T_CONDIF:
1134	case T_CONDELSE:
1135	case T_EQ:
1136	case T_NE:
1137	case T_LT:
1138	case T_LE:
1139	case T_GT:
1140	case T_GE:
1141	case T_BITAND:
1142	case T_BITOR:
1143	case T_BITXOR:
1144	case T_BITNOT:
1145	case T_LSHIFT:
1146	case T_RSHIFT:
1147	case T_AND:
1148	case T_OR:
1149	case T_NOT:
1150	case T_ADD:
1151	case T_SUB:
1152	case T_MUL:
1153	case T_DIV:
1154	case T_MOD: {
1155		struct evalue value;
1156
1157		if (!eval_expr(np, NULL, NULL, globals, croot, arrowp,
1158		    0, &value))
1159			return (1);
1160
1161		switch (value.t) {
1162		case UINT64:
1163			numbuf[MAXDIGITIDX] = '\0';
1164			nullbyte = &numbuf[MAXDIGITIDX];
1165			numstr = ulltostr(value.v, nullbyte);
1166			addthisarg = STRDUP(numstr);
1167			break;
1168		case STRING:
1169			addthisarg = STRDUP((const char *)(uintptr_t)value.v);
1170			break;
1171		case NODEPTR :
1172			namep = (struct node *)(uintptr_t)value.v;
1173			addthisarg = ipath2str(NULL, ipath(namep));
1174			break;
1175		default:
1176			out(O_ERR,
1177			    "call: arglist2argv: unexpected result from"
1178			    " operation %s",
1179			    ptree_nodetype2str(np->t));
1180			return (1);
1181		}
1182		break;
1183	}
1184	case T_NUM:
1185	case T_TIMEVAL:
1186		numbuf[MAXDIGITIDX] = '\0';
1187		nullbyte = &numbuf[MAXDIGITIDX];
1188		numstr = ulltostr(np->u.ull, nullbyte);
1189		addthisarg = STRDUP(numstr);
1190		break;
1191	case T_NAME:
1192		addthisarg = ipath2str(NULL, ipath(np));
1193		break;
1194	case T_EVENT:
1195		addthisarg = ipath2str(np->u.event.ename->u.name.s,
1196		    ipath(np->u.event.epname));
1197		break;
1198	default:
1199		out(O_ERR, "call: arglist2argv: node type %s is unsupported",
1200		    ptree_nodetype2str(np->t));
1201		return (1);
1202		/*NOTREACHED*/
1203		break;
1204	}
1205
1206	if (*argc == 0 && addthisarg != NULL) {
1207		/*
1208		 * first argument added is the command name.
1209		 */
1210		char **files;
1211
1212		files = platform_get_files_stddirs(addthisarg, 0);
1213
1214		/* do not proceed if number of files found != 1 */
1215		if (files[0] == NULL)
1216			out(O_DIE, "call: function %s not found", addthisarg);
1217		if (files[1] != NULL)
1218			out(O_DIE, "call: multiple functions %s found",
1219			    addthisarg);
1220		FREE(addthisarg);
1221
1222		addthisarg = STRDUP(files[0]);
1223		FREE(files[0]);
1224		FREE(files);
1225	}
1226
1227	if (addthisarg != NULL) {
1228		if (*argc >= *argvlen - 2) {
1229			/*
1230			 * make sure argv is long enough so it has a
1231			 * terminating element set to NULL
1232			 */
1233			*argvlen += 10;
1234			*argv = (char **)REALLOC(*argv,
1235			    sizeof (char *) * *argvlen);
1236		}
1237		(*argv)[*argc] = addthisarg;
1238		(*argc)++;
1239		(*argv)[*argc] = NULL;
1240	}
1241
1242	return (0);
1243}
1244
1245static int
1246generate_envp(struct arrow *arrowp, char ***envp, int *envc, int *envplen)
1247{
1248	char *envnames[] = { "EFT_FROM_EVENT", "EFT_TO_EVENT",
1249			    "EFT_FILE", "EFT_LINE", NULL };
1250	char *envvalues[4];
1251	char *none = "(none)";
1252	size_t elen;
1253	int i;
1254
1255	*envc = 4;
1256
1257	/*
1258	 * make sure envp is long enough so it has a terminating element
1259	 * set to NULL
1260	 */
1261	*envplen = *envc + 1;
1262	*envp = (char **)MALLOC(sizeof (char *) * *envplen);
1263
1264	envvalues[0] = ipath2str(
1265	    arrowp->tail->myevent->enode->u.event.ename->u.name.s,
1266	    arrowp->tail->myevent->ipp);
1267	envvalues[1] = ipath2str(
1268	    arrowp->head->myevent->enode->u.event.ename->u.name.s,
1269	    arrowp->head->myevent->ipp);
1270
1271	if (arrowp->head->myevent->enode->file == NULL) {
1272		envvalues[2] = STRDUP(none);
1273		envvalues[3] = STRDUP(none);
1274	} else {
1275		envvalues[2] = STRDUP(arrowp->head->myevent->enode->file);
1276
1277		/* large enough for max int */
1278		envvalues[3] = MALLOC(sizeof (char) * 25);
1279		(void) snprintf(envvalues[3], sizeof (envvalues[3]), "%d",
1280		    arrowp->head->myevent->enode->line);
1281	}
1282
1283	for (i = 0; envnames[i] != NULL && i < *envc; i++) {
1284		elen = strlen(envnames[i]) + strlen(envvalues[i]) + 2;
1285		(*envp)[i] = MALLOC(elen);
1286		(void) snprintf((*envp)[i], elen, "%s=%s",
1287		    envnames[i], envvalues[i]);
1288		FREE(envvalues[i]);
1289	}
1290	(*envp)[*envc] = NULL;
1291
1292	return (0);
1293}
1294
1295/*
1296 * platform_call -- call an external function
1297 *
1298 * evaluate a user-defined function and place result in valuep.  return 0
1299 * if function evaluation was successful; 1 if otherwise.
1300 */
1301int
1302platform_call(struct node *np, struct lut **globals, struct config *croot,
1303	struct arrow *arrowp, struct evalue *valuep)
1304{
1305	/*
1306	 * use rather short buffers.  only the first string on outbuf[] is
1307	 * taken as output from the called function.  any message in
1308	 * errbuf[] is echoed out as an error message.
1309	 */
1310	char outbuf[256], errbuf[512];
1311	struct stat buf;
1312	char **argv, **envp;
1313	int argc, argvlen, envc, envplen;
1314	int i, ret;
1315
1316	/*
1317	 * np is the argument list.  the user-defined function is the first
1318	 * element of the list.
1319	 */
1320	ASSERT(np->t == T_LIST);
1321
1322	argv = NULL;
1323	argc = 0;
1324	argvlen = 0;
1325	if (arglist2argv(np, globals, croot, arrowp, &argv, &argc, &argvlen) ||
1326	    argc == 0)
1327		return (1);
1328
1329	/*
1330	 * make sure program has executable bit set
1331	 */
1332	if (stat(argv[0], &buf) == 0) {
1333		int exec_bit_set = 0;
1334
1335		if (buf.st_uid == geteuid() && buf.st_mode & S_IXUSR)
1336			exec_bit_set = 1;
1337		else if (buf.st_gid == getegid() && buf.st_mode & S_IXGRP)
1338			exec_bit_set = 1;
1339		else if (buf.st_mode & S_IXOTH)
1340			exec_bit_set = 1;
1341
1342		if (exec_bit_set == 0)
1343			out(O_DIE, "call: executable bit not set on %s",
1344			    argv[0]);
1345	} else {
1346		out(O_DIE, "call: failure in stat(), errno = %d\n", errno);
1347	}
1348
1349	envp = NULL;
1350	envc = 0;
1351	envplen = 0;
1352	if (generate_envp(arrowp, &envp, &envc, &envplen))
1353		return (1);
1354
1355	outbuf[0] = '\0';
1356	errbuf[0] = '\0';
1357
1358	ret = forkandexecve((const char *) argv[0], (char *const *) argv,
1359	    (char *const *) envp, outbuf, sizeof (outbuf),
1360	    errbuf, sizeof (errbuf));
1361
1362	for (i = 0; i < envc; i++)
1363		FREE(envp[i]);
1364	if (envp)
1365		FREE(envp);
1366
1367	if (ret) {
1368		outfl(O_OK, np->file, np->line,
1369		    "call: failure in fork + exec of %s", argv[0]);
1370	} else {
1371		char *ptr;
1372
1373		/* chomp the result */
1374		for (ptr = outbuf; *ptr; ptr++)
1375			if (*ptr == '\n' || *ptr == '\r') {
1376				*ptr = '\0';
1377				break;
1378			}
1379		valuep->t = STRING;
1380		valuep->v = (uintptr_t)stable(outbuf);
1381	}
1382
1383	if (errbuf[0] != '\0') {
1384		ret = 1;
1385		outfl(O_OK, np->file, np->line,
1386		    "call: unexpected stderr output from %s: %s",
1387		    argv[0], errbuf);
1388	}
1389
1390	for (i = 0; i < argc; i++)
1391		FREE(argv[i]);
1392	FREE(argv);
1393
1394	return (ret);
1395}
1396
1397/*
1398 * platform_confcall -- call a configuration database function
1399 *
1400 * returns result in *valuep, return 0 on success
1401 */
1402/*ARGSUSED*/
1403int
1404platform_confcall(struct node *np, struct lut **globals, struct config *croot,
1405	struct arrow *arrowp, struct evalue *valuep)
1406{
1407	outfl(O_ALTFP|O_VERB, np->file, np->line, "unknown confcall");
1408	return (0);
1409}
1410
1411/*
1412 * platform_get_eft_files -- return names of all eft files we should load
1413 *
1414 * this routine doesn't return NULL, even if no files are found (in that
1415 * case, a char ** is returned with the first element NULL).
1416 */
1417char **
1418platform_get_eft_files(void)
1419{
1420	return (platform_get_files_stddirs(".eft", 1));
1421}
1422
1423void
1424platform_free_eft_files(char **flist)
1425{
1426	char **f;
1427
1428	if (flist == NULL || *flist == NULL)
1429		return;	/* no files were found so we're done */
1430
1431	f = flist;
1432	while (*f != NULL) {
1433		FREE(*f);
1434		f++;
1435	}
1436	FREE(flist);
1437}
1438
1439static nvlist_t *payloadnvp = NULL;
1440
1441void
1442platform_set_payloadnvp(nvlist_t *nvlp)
1443{
1444	/*
1445	 * cannot replace a non-NULL payloadnvp with a non-NULL nvlp
1446	 */
1447	ASSERT(payloadnvp != NULL ? nvlp == NULL : 1);
1448	payloadnvp = nvlp;
1449}
1450
1451/*
1452 * given array notation in inputstr such as "foo[1]" or "foo [ 1 ]" (spaces
1453 * allowed), figure out the array name and index.  return 0 if successful,
1454 * nonzero if otherwise.
1455 */
1456static int
1457get_array_info(const char *inputstr, const char **name, unsigned int *index)
1458{
1459	char *indexptr, *indexend, *dupname, *endname;
1460
1461	if (strchr(inputstr, '[') == NULL)
1462		return (1);
1463
1464	dupname = STRDUP(inputstr);
1465	indexptr = strchr(dupname, '[');
1466	indexend = strchr(dupname, ']');
1467
1468	/*
1469	 * return if array notation is not complete or if index is negative
1470	 */
1471	if (indexend == NULL || indexptr >= indexend ||
1472	    strchr(indexptr, '-') != NULL) {
1473		FREE(dupname);
1474		return (1);
1475	}
1476
1477	/*
1478	 * search past any spaces between the name string and '['
1479	 */
1480	endname = indexptr;
1481	while (isspace(*(endname - 1)) && dupname < endname)
1482		endname--;
1483	*endname = '\0';
1484	ASSERT(dupname < endname);
1485
1486	/*
1487	 * search until indexptr points to the first digit and indexend
1488	 * points to the last digit
1489	 */
1490	while (!isdigit(*indexptr) && indexptr < indexend)
1491		indexptr++;
1492	while (!isdigit(*indexend) && indexptr <= indexend)
1493		indexend--;
1494
1495	*(indexend + 1) = '\0';
1496	*index = (unsigned int)atoi(indexptr);
1497
1498	*name = stable(dupname);
1499	FREE(dupname);
1500
1501	return (0);
1502}
1503
1504/*
1505 * platform_payloadprop -- fetch a payload value
1506 *
1507 * XXX this function should be replaced and eval_func() should be
1508 * XXX changed to use the more general platform_payloadprop_values().
1509 */
1510int
1511platform_payloadprop(struct node *np, struct evalue *valuep)
1512{
1513	nvlist_t *basenvp;
1514	nvlist_t *embnvp = NULL;
1515	nvpair_t *nvpair;
1516	const char *nameptr, *propstr, *lastnameptr;
1517	int not_array = 0;
1518	unsigned int index = 0;
1519	uint_t nelem;
1520	char *nvpname, *nameslist = NULL;
1521	char *scheme = NULL;
1522
1523	ASSERT(np->t == T_QUOTE);
1524
1525	propstr = np->u.quote.s;
1526	if (payloadnvp == NULL) {
1527		out(O_ALTFP | O_VERB2, "platform_payloadprop: no nvp for %s",
1528		    propstr);
1529		return (1);
1530	}
1531	basenvp = payloadnvp;
1532
1533	/*
1534	 * first handle any embedded nvlists.  if propstr is "foo.bar[2]"
1535	 * then lastnameptr should end up being "bar[2]" with basenvp set
1536	 * to the nvlist for "foo".  (the search for "bar" within "foo"
1537	 * will be done later.)
1538	 */
1539	if (strchr(propstr, '.') != NULL) {
1540		nvlist_t **arraynvp;
1541		uint_t nelem;
1542		char *w;
1543		int ier;
1544
1545		nameslist = STRDUP(propstr);
1546		lastnameptr = strtok(nameslist, ".");
1547
1548		/*
1549		 * decompose nameslist into its component names while
1550		 * extracting the embedded nvlist
1551		 */
1552		while ((w = strtok(NULL, ".")) != NULL) {
1553			if (get_array_info(lastnameptr, &nameptr, &index)) {
1554				ier = nvlist_lookup_nvlist(basenvp,
1555				    lastnameptr, &basenvp);
1556			} else {
1557				/* handle array of nvlists */
1558				ier = nvlist_lookup_nvlist_array(basenvp,
1559				    nameptr, &arraynvp, &nelem);
1560				if (ier == 0) {
1561					if ((uint_t)index > nelem - 1)
1562						ier = 1;
1563					else
1564						basenvp = arraynvp[index];
1565				}
1566			}
1567
1568			if (ier) {
1569				out(O_ALTFP, "platform_payloadprop: "
1570				    " invalid list for %s (in %s)",
1571				    lastnameptr, propstr);
1572				FREE(nameslist);
1573				return (1);
1574			}
1575
1576			lastnameptr = w;
1577		}
1578	} else {
1579		lastnameptr = propstr;
1580	}
1581
1582	/* if property is an array reference, extract array name and index */
1583	not_array = get_array_info(lastnameptr, &nameptr, &index);
1584	if (not_array)
1585		nameptr = stable(lastnameptr);
1586
1587	if (nameslist != NULL)
1588		FREE(nameslist);
1589
1590	/* search for nvpair entry */
1591	nvpair = NULL;
1592	while ((nvpair = nvlist_next_nvpair(basenvp, nvpair)) != NULL) {
1593		nvpname = nvpair_name(nvpair);
1594		ASSERT(nvpname != NULL);
1595
1596		if (nameptr == stable(nvpname))
1597			break;
1598	}
1599
1600	if (nvpair == NULL) {
1601		out(O_ALTFP, "platform_payloadprop: no entry for %s", propstr);
1602		return (1);
1603	} else if (valuep == NULL) {
1604		/*
1605		 * caller is interested in the existence of a property with
1606		 * this name, regardless of type or value
1607		 */
1608		return (0);
1609	}
1610
1611	valuep->t = UNDEFINED;
1612
1613	/*
1614	 * get to this point if we found an entry.  figure out its data
1615	 * type and copy its value.
1616	 */
1617	(void) nvpair_value_nvlist(nvpair, &embnvp);
1618	if (nvlist_lookup_string(embnvp, FM_FMRI_SCHEME, &scheme) == 0) {
1619		if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1620			valuep->t = NODEPTR;
1621			valuep->v = (uintptr_t)hc_fmri_nodeize(embnvp);
1622			return (0);
1623		}
1624	}
1625	switch (nvpair_type(nvpair)) {
1626	case DATA_TYPE_BOOLEAN:
1627	case DATA_TYPE_BOOLEAN_VALUE: {
1628		boolean_t val;
1629		(void) nvpair_value_boolean_value(nvpair, &val);
1630		valuep->t = UINT64;
1631		valuep->v = (unsigned long long)val;
1632		break;
1633	}
1634	case DATA_TYPE_BYTE: {
1635		uchar_t val;
1636		(void) nvpair_value_byte(nvpair, &val);
1637		valuep->t = UINT64;
1638		valuep->v = (unsigned long long)val;
1639		break;
1640	}
1641	case DATA_TYPE_STRING: {
1642		char *val;
1643		valuep->t = STRING;
1644		(void) nvpair_value_string(nvpair, &val);
1645		valuep->v = (uintptr_t)stable(val);
1646		break;
1647	}
1648
1649	case DATA_TYPE_INT8: {
1650		int8_t val;
1651		(void) nvpair_value_int8(nvpair, &val);
1652		valuep->t = UINT64;
1653		valuep->v = (unsigned long long)val;
1654		break;
1655	}
1656	case DATA_TYPE_UINT8: {
1657		uint8_t val;
1658		(void) nvpair_value_uint8(nvpair, &val);
1659		valuep->t = UINT64;
1660		valuep->v = (unsigned long long)val;
1661		break;
1662	}
1663
1664	case DATA_TYPE_INT16: {
1665		int16_t val;
1666		(void) nvpair_value_int16(nvpair, &val);
1667		valuep->t = UINT64;
1668		valuep->v = (unsigned long long)val;
1669		break;
1670	}
1671	case DATA_TYPE_UINT16: {
1672		uint16_t val;
1673		(void) nvpair_value_uint16(nvpair, &val);
1674		valuep->t = UINT64;
1675		valuep->v = (unsigned long long)val;
1676		break;
1677	}
1678
1679	case DATA_TYPE_INT32: {
1680		int32_t val;
1681		(void) nvpair_value_int32(nvpair, &val);
1682		valuep->t = UINT64;
1683		valuep->v = (unsigned long long)val;
1684		break;
1685	}
1686	case DATA_TYPE_UINT32: {
1687		uint32_t val;
1688		(void) nvpair_value_uint32(nvpair, &val);
1689		valuep->t = UINT64;
1690		valuep->v = (unsigned long long)val;
1691		break;
1692	}
1693
1694	case DATA_TYPE_INT64: {
1695		int64_t val;
1696		(void) nvpair_value_int64(nvpair, &val);
1697		valuep->t = UINT64;
1698		valuep->v = (unsigned long long)val;
1699		break;
1700	}
1701	case DATA_TYPE_UINT64: {
1702		uint64_t val;
1703		(void) nvpair_value_uint64(nvpair, &val);
1704		valuep->t = UINT64;
1705		valuep->v = (unsigned long long)val;
1706		break;
1707	}
1708
1709	case DATA_TYPE_BOOLEAN_ARRAY: {
1710		boolean_t *val;
1711		(void) nvpair_value_boolean_array(nvpair, &val, &nelem);
1712		if (not_array == 1 || index >= nelem)
1713			goto invalid;
1714		valuep->t = UINT64;
1715		valuep->v = (unsigned long long)val[index];
1716		break;
1717	}
1718	case DATA_TYPE_BYTE_ARRAY: {
1719		uchar_t *val;
1720		(void) nvpair_value_byte_array(nvpair, &val, &nelem);
1721		if (not_array == 1 || index >= nelem)
1722			goto invalid;
1723		valuep->t = UINT64;
1724		valuep->v = (unsigned long long)val[index];
1725		break;
1726	}
1727	case DATA_TYPE_STRING_ARRAY: {
1728		char **val;
1729		(void) nvpair_value_string_array(nvpair, &val, &nelem);
1730		if (not_array == 1 || index >= nelem)
1731			goto invalid;
1732		valuep->t = STRING;
1733		valuep->v = (uintptr_t)stable(val[index]);
1734		break;
1735	}
1736
1737	case DATA_TYPE_INT8_ARRAY: {
1738		int8_t *val;
1739		(void) nvpair_value_int8_array(nvpair, &val, &nelem);
1740		if (not_array == 1 || index >= nelem)
1741			goto invalid;
1742		valuep->t = UINT64;
1743		valuep->v = (unsigned long long)val[index];
1744		break;
1745	}
1746	case DATA_TYPE_UINT8_ARRAY: {
1747		uint8_t *val;
1748		(void) nvpair_value_uint8_array(nvpair, &val, &nelem);
1749		if (not_array == 1 || index >= nelem)
1750			goto invalid;
1751		valuep->t = UINT64;
1752		valuep->v = (unsigned long long)val[index];
1753		break;
1754	}
1755	case DATA_TYPE_INT16_ARRAY: {
1756		int16_t *val;
1757		(void) nvpair_value_int16_array(nvpair, &val, &nelem);
1758		if (not_array == 1 || index >= nelem)
1759			goto invalid;
1760		valuep->t = UINT64;
1761		valuep->v = (unsigned long long)val[index];
1762		break;
1763	}
1764	case DATA_TYPE_UINT16_ARRAY: {
1765		uint16_t *val;
1766		(void) nvpair_value_uint16_array(nvpair, &val, &nelem);
1767		if (not_array == 1 || index >= nelem)
1768			goto invalid;
1769		valuep->t = UINT64;
1770		valuep->v = (unsigned long long)val[index];
1771		break;
1772	}
1773	case DATA_TYPE_INT32_ARRAY: {
1774		int32_t *val;
1775		(void) nvpair_value_int32_array(nvpair, &val, &nelem);
1776		if (not_array == 1 || index >= nelem)
1777			goto invalid;
1778		valuep->t = UINT64;
1779		valuep->v = (unsigned long long)val[index];
1780		break;
1781	}
1782	case DATA_TYPE_UINT32_ARRAY: {
1783		uint32_t *val;
1784		(void) nvpair_value_uint32_array(nvpair, &val, &nelem);
1785		if (not_array == 1 || index >= nelem)
1786			goto invalid;
1787		valuep->t = UINT64;
1788		valuep->v = (unsigned long long)val[index];
1789		break;
1790	}
1791	case DATA_TYPE_INT64_ARRAY: {
1792		int64_t *val;
1793		(void) nvpair_value_int64_array(nvpair, &val, &nelem);
1794		if (not_array == 1 || index >= nelem)
1795			goto invalid;
1796		valuep->t = UINT64;
1797		valuep->v = (unsigned long long)val[index];
1798		break;
1799	}
1800	case DATA_TYPE_UINT64_ARRAY: {
1801		uint64_t *val;
1802		(void) nvpair_value_uint64_array(nvpair, &val, &nelem);
1803		if (not_array == 1 || index >= nelem)
1804			goto invalid;
1805		valuep->t = UINT64;
1806		valuep->v = (unsigned long long)val[index];
1807		break;
1808	}
1809
1810	default :
1811		out(O_ALTFP|O_VERB2,
1812		    "platform_payloadprop: unsupported data type for %s",
1813		    propstr);
1814		return (1);
1815	}
1816
1817	return (0);
1818
1819invalid:
1820	out(O_ALTFP|O_VERB2,
1821	    "platform_payloadprop: invalid array reference for %s", propstr);
1822	return (1);
1823}
1824
1825/*ARGSUSED*/
1826int
1827platform_path_exists(nvlist_t *fmri)
1828{
1829	return (fmd_nvl_fmri_present(Hdl, fmri));
1830}
1831
1832struct evalue *
1833platform_payloadprop_values(const char *propstr, int *nvals)
1834{
1835	struct evalue *retvals;
1836	nvlist_t *basenvp;
1837	nvpair_t *nvpair;
1838	char *nvpname;
1839
1840	*nvals = 0;
1841
1842	if (payloadnvp == NULL)
1843		return (NULL);
1844
1845	basenvp = payloadnvp;
1846
1847	/* search for nvpair entry */
1848	nvpair = NULL;
1849	while ((nvpair = nvlist_next_nvpair(basenvp, nvpair)) != NULL) {
1850		nvpname = nvpair_name(nvpair);
1851		ASSERT(nvpname != NULL);
1852
1853		if (strcmp(propstr, nvpname) == 0)
1854			break;
1855	}
1856
1857	if (nvpair == NULL)
1858		return (NULL);	/* property not found */
1859
1860	switch (nvpair_type(nvpair)) {
1861	case DATA_TYPE_NVLIST: {
1862		nvlist_t *embnvp = NULL;
1863		char *scheme = NULL;
1864
1865		(void) nvpair_value_nvlist(nvpair, &embnvp);
1866		if (nvlist_lookup_string(embnvp, FM_FMRI_SCHEME,
1867		    &scheme) == 0) {
1868			if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1869				*nvals = 1;
1870				retvals = MALLOC(sizeof (struct evalue));
1871				retvals->t = NODEPTR;
1872				retvals->v =
1873				    (uintptr_t)hc_fmri_nodeize(embnvp);
1874				return (retvals);
1875			}
1876		}
1877		return (NULL);
1878	}
1879	case DATA_TYPE_NVLIST_ARRAY: {
1880		char *scheme = NULL;
1881		nvlist_t **nvap;
1882		uint_t nel;
1883		int i;
1884		int hccount;
1885
1886		/*
1887		 * since we're only willing to handle hc fmri's, we
1888		 * must count them first before allocating retvals.
1889		 */
1890		if (nvpair_value_nvlist_array(nvpair, &nvap, &nel) != 0)
1891			return (NULL);
1892
1893		hccount = 0;
1894		for (i = 0; i < nel; i++) {
1895			if (nvlist_lookup_string(nvap[i], FM_FMRI_SCHEME,
1896			    &scheme) == 0 &&
1897			    strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1898				hccount++;
1899			}
1900		}
1901
1902		if (hccount == 0)
1903			return (NULL);
1904
1905		*nvals = hccount;
1906		retvals = MALLOC(sizeof (struct evalue) * hccount);
1907
1908		hccount = 0;
1909		for (i = 0; i < nel; i++) {
1910			if (nvlist_lookup_string(nvap[i], FM_FMRI_SCHEME,
1911			    &scheme) == 0 &&
1912			    strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1913				retvals[hccount].t = NODEPTR;
1914				retvals[hccount].v = (uintptr_t)
1915				    hc_fmri_nodeize(nvap[i]);
1916				hccount++;
1917			}
1918		}
1919		return (retvals);
1920	}
1921	case DATA_TYPE_BOOLEAN:
1922	case DATA_TYPE_BOOLEAN_VALUE: {
1923		boolean_t val;
1924
1925		*nvals = 1;
1926		retvals = MALLOC(sizeof (struct evalue));
1927		(void) nvpair_value_boolean_value(nvpair, &val);
1928		retvals->t = UINT64;
1929		retvals->v = (unsigned long long)val;
1930		return (retvals);
1931	}
1932	case DATA_TYPE_BYTE: {
1933		uchar_t val;
1934
1935		*nvals = 1;
1936		retvals = MALLOC(sizeof (struct evalue));
1937		(void) nvpair_value_byte(nvpair, &val);
1938		retvals->t = UINT64;
1939		retvals->v = (unsigned long long)val;
1940		return (retvals);
1941	}
1942	case DATA_TYPE_STRING: {
1943		char *val;
1944
1945		*nvals = 1;
1946		retvals = MALLOC(sizeof (struct evalue));
1947		retvals->t = STRING;
1948		(void) nvpair_value_string(nvpair, &val);
1949		retvals->v = (uintptr_t)stable(val);
1950		return (retvals);
1951	}
1952
1953	case DATA_TYPE_INT8: {
1954		int8_t val;
1955
1956		*nvals = 1;
1957		retvals = MALLOC(sizeof (struct evalue));
1958		(void) nvpair_value_int8(nvpair, &val);
1959		retvals->t = UINT64;
1960		retvals->v = (unsigned long long)val;
1961		return (retvals);
1962	}
1963	case DATA_TYPE_UINT8: {
1964		uint8_t val;
1965
1966		*nvals = 1;
1967		retvals = MALLOC(sizeof (struct evalue));
1968		(void) nvpair_value_uint8(nvpair, &val);
1969		retvals->t = UINT64;
1970		retvals->v = (unsigned long long)val;
1971		return (retvals);
1972	}
1973
1974	case DATA_TYPE_INT16: {
1975		int16_t val;
1976
1977		*nvals = 1;
1978		retvals = MALLOC(sizeof (struct evalue));
1979		(void) nvpair_value_int16(nvpair, &val);
1980		retvals->t = UINT64;
1981		retvals->v = (unsigned long long)val;
1982		return (retvals);
1983	}
1984	case DATA_TYPE_UINT16: {
1985		uint16_t val;
1986
1987		*nvals = 1;
1988		retvals = MALLOC(sizeof (struct evalue));
1989		(void) nvpair_value_uint16(nvpair, &val);
1990		retvals->t = UINT64;
1991		retvals->v = (unsigned long long)val;
1992		return (retvals);
1993	}
1994
1995	case DATA_TYPE_INT32: {
1996		int32_t val;
1997
1998		*nvals = 1;
1999		retvals = MALLOC(sizeof (struct evalue));
2000		(void) nvpair_value_int32(nvpair, &val);
2001		retvals->t = UINT64;
2002		retvals->v = (unsigned long long)val;
2003		return (retvals);
2004	}
2005	case DATA_TYPE_UINT32: {
2006		uint32_t val;
2007
2008		*nvals = 1;
2009		retvals = MALLOC(sizeof (struct evalue));
2010		(void) nvpair_value_uint32(nvpair, &val);
2011		retvals->t = UINT64;
2012		retvals->v = (unsigned long long)val;
2013		return (retvals);
2014	}
2015
2016	case DATA_TYPE_INT64: {
2017		int64_t val;
2018
2019		*nvals = 1;
2020		retvals = MALLOC(sizeof (struct evalue));
2021		(void) nvpair_value_int64(nvpair, &val);
2022		retvals->t = UINT64;
2023		retvals->v = (unsigned long long)val;
2024		return (retvals);
2025	}
2026	case DATA_TYPE_UINT64: {
2027		uint64_t val;
2028
2029		*nvals = 1;
2030		retvals = MALLOC(sizeof (struct evalue));
2031		(void) nvpair_value_uint64(nvpair, &val);
2032		retvals->t = UINT64;
2033		retvals->v = (unsigned long long)val;
2034		return (retvals);
2035	}
2036
2037	case DATA_TYPE_BOOLEAN_ARRAY: {
2038		boolean_t *val;
2039		uint_t nel;
2040		int i;
2041
2042		(void) nvpair_value_boolean_array(nvpair, &val, &nel);
2043		*nvals = nel;
2044		retvals = MALLOC(sizeof (struct evalue) * nel);
2045		for (i = 0; i < nel; i++) {
2046			retvals[i].t = UINT64;
2047			retvals[i].v = (unsigned long long)val[i];
2048		}
2049		return (retvals);
2050	}
2051	case DATA_TYPE_BYTE_ARRAY: {
2052		uchar_t *val;
2053		uint_t nel;
2054		int i;
2055
2056		(void) nvpair_value_byte_array(nvpair, &val, &nel);
2057		*nvals = nel;
2058		retvals = MALLOC(sizeof (struct evalue) * nel);
2059		for (i = 0; i < nel; i++) {
2060			retvals[i].t = UINT64;
2061			retvals[i].v = (unsigned long long)val[i];
2062		}
2063		return (retvals);
2064	}
2065	case DATA_TYPE_STRING_ARRAY: {
2066		char **val;
2067		uint_t nel;
2068		int i;
2069
2070		(void) nvpair_value_string_array(nvpair, &val, &nel);
2071		*nvals = nel;
2072		retvals = MALLOC(sizeof (struct evalue) * nel);
2073		for (i = 0; i < nel; i++) {
2074			retvals[i].t = STRING;
2075			retvals[i].v = (uintptr_t)stable(val[i]);
2076		}
2077		return (retvals);
2078	}
2079
2080	case DATA_TYPE_INT8_ARRAY: {
2081		int8_t *val;
2082		uint_t nel;
2083		int i;
2084
2085		(void) nvpair_value_int8_array(nvpair, &val, &nel);
2086		*nvals = nel;
2087		retvals = MALLOC(sizeof (struct evalue) * nel);
2088		for (i = 0; i < nel; i++) {
2089			retvals[i].t = UINT64;
2090			retvals[i].v = (unsigned long long)val[i];
2091		}
2092		return (retvals);
2093	}
2094	case DATA_TYPE_UINT8_ARRAY: {
2095		uint8_t *val;
2096		uint_t nel;
2097		int i;
2098
2099		(void) nvpair_value_uint8_array(nvpair, &val, &nel);
2100		*nvals = nel;
2101		retvals = MALLOC(sizeof (struct evalue) * nel);
2102		for (i = 0; i < nel; i++) {
2103			retvals[i].t = UINT64;
2104			retvals[i].v = (unsigned long long)val[i];
2105		}
2106		return (retvals);
2107	}
2108	case DATA_TYPE_INT16_ARRAY: {
2109		int16_t *val;
2110		uint_t nel;
2111		int i;
2112
2113		(void) nvpair_value_int16_array(nvpair, &val, &nel);
2114		*nvals = nel;
2115		retvals = MALLOC(sizeof (struct evalue) * nel);
2116		for (i = 0; i < nel; i++) {
2117			retvals[i].t = UINT64;
2118			retvals[i].v = (unsigned long long)val[i];
2119		}
2120		return (retvals);
2121	}
2122	case DATA_TYPE_UINT16_ARRAY: {
2123		uint16_t *val;
2124		uint_t nel;
2125		int i;
2126
2127		(void) nvpair_value_uint16_array(nvpair, &val, &nel);
2128		*nvals = nel;
2129		retvals = MALLOC(sizeof (struct evalue) * nel);
2130		for (i = 0; i < nel; i++) {
2131			retvals[i].t = UINT64;
2132			retvals[i].v = (unsigned long long)val[i];
2133		}
2134		return (retvals);
2135	}
2136	case DATA_TYPE_INT32_ARRAY: {
2137		int32_t *val;
2138		uint_t nel;
2139		int i;
2140
2141		(void) nvpair_value_int32_array(nvpair, &val, &nel);
2142		*nvals = nel;
2143		retvals = MALLOC(sizeof (struct evalue) * nel);
2144		for (i = 0; i < nel; i++) {
2145			retvals[i].t = UINT64;
2146			retvals[i].v = (unsigned long long)val[i];
2147		}
2148		return (retvals);
2149	}
2150	case DATA_TYPE_UINT32_ARRAY: {
2151		uint32_t *val;
2152		uint_t nel;
2153		int i;
2154
2155		(void) nvpair_value_uint32_array(nvpair, &val, &nel);
2156		*nvals = nel;
2157		retvals = MALLOC(sizeof (struct evalue) * nel);
2158		for (i = 0; i < nel; i++) {
2159			retvals[i].t = UINT64;
2160			retvals[i].v = (unsigned long long)val[i];
2161		}
2162		return (retvals);
2163	}
2164	case DATA_TYPE_INT64_ARRAY: {
2165		int64_t *val;
2166		uint_t nel;
2167		int i;
2168
2169		(void) nvpair_value_int64_array(nvpair, &val, &nel);
2170		*nvals = nel;
2171		retvals = MALLOC(sizeof (struct evalue) * nel);
2172		for (i = 0; i < nel; i++) {
2173			retvals[i].t = UINT64;
2174			retvals[i].v = (unsigned long long)val[i];
2175		}
2176		return (retvals);
2177	}
2178	case DATA_TYPE_UINT64_ARRAY: {
2179		uint64_t *val;
2180		uint_t nel;
2181		int i;
2182
2183		(void) nvpair_value_uint64_array(nvpair, &val, &nel);
2184		*nvals = nel;
2185		retvals = MALLOC(sizeof (struct evalue) * nel);
2186		for (i = 0; i < nel; i++) {
2187			retvals[i].t = UINT64;
2188			retvals[i].v = (unsigned long long)val[i];
2189		}
2190		return (retvals);
2191	}
2192
2193	}
2194
2195	return (NULL);
2196}
2197
2198/*
2199 * When a list.repaired event is seen the following is called for
2200 * each fault in the associated fault list to convert the given FMRI
2201 * to an instanced path.  Only hc scheme is supported.
2202 */
2203const struct ipath *
2204platform_fault2ipath(nvlist_t *flt)
2205{
2206	nvlist_t *rsrc;
2207	struct node *np;
2208	char *scheme;
2209	const struct ipath *ip;
2210
2211	if (nvlist_lookup_nvlist(flt, FM_FAULT_RESOURCE, &rsrc) != 0) {
2212		out(O_ALTFP, "platform_fault2ipath: no resource member");
2213		return (NULL);
2214	} else if (nvlist_lookup_string(rsrc, FM_FMRI_SCHEME, &scheme) != 0) {
2215		out(O_ALTFP, "platform_fault2ipath: no scheme type for rsrc");
2216		return (NULL);
2217	}
2218
2219	if (strncmp(scheme, FM_FMRI_SCHEME_HC,
2220	    sizeof (FM_FMRI_SCHEME_HC) - 1) != 0) {
2221		out(O_ALTFP, "platform_fault2ipath: returning NULL for non-hc "
2222		"scheme %s", scheme);
2223		return (NULL);
2224	}
2225
2226	if ((np = hc_fmri_nodeize(rsrc)) == NULL)
2227		return (NULL);		/* nodeize will already have whinged */
2228
2229	ip = ipath(np);
2230	tree_free(np);
2231	return (ip);
2232}
2233