xref: /titanic_41/usr/src/lib/cfgadm_plugins/pci/common/cfga.c (revision f48205be61a214698b763ff550ab9e657525104c)
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  *	Plugin Library for PCI Hot-Plug Controller
31  */
32 
33 #include <stddef.h>
34 #include <locale.h>
35 #include <ctype.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <fcntl.h>
40 #include <unistd.h>
41 #include <errno.h>
42 #include <locale.h>
43 #include <langinfo.h>
44 #include <time.h>
45 #include <sys/param.h>
46 #include <stdarg.h>
47 #include <libdevinfo.h>
48 #include <libdevice.h>
49 
50 #define	CFGA_PLUGIN_LIB
51 
52 #include <config_admin.h>
53 
54 #include <sys/types.h>
55 #include <sys/stat.h>
56 #include <sys/ioctl.h>
57 #include <sys/dditypes.h>
58 #include <sys/devctl.h>
59 #include <sys/modctl.h>
60 #include <sys/hotplug/hpctrl.h>
61 #include <sys/pci.h>
62 #include <libintl.h>
63 
64 #include <dirent.h>
65 #include <limits.h>
66 #include <sys/mkdev.h>
67 #include <librcm.h>
68 #include "../../../../common/pci/pci_strings.h"
69 
70 extern const struct pci_class_strings_s class_pci[];
71 extern int class_pci_items;
72 
73 /*
74  * Set the version number
75  */
76 int cfga_version = CFGA_HSL_V2;
77 
78 #ifdef	DEBUG
79 #define	PCIHP_DBG	1
80 #endif
81 
82 #if !defined(TEXT_DOMAIN)
83 #define	TEXT_DOMAIN	"SYS_TEST"
84 #endif
85 
86 /*
87  *	DEBUGING LEVEL
88  *
89  * 	External routines:  1 - 2
90  *	Internal routines:  3 - 4
91  */
92 #ifdef	PCIHP_DBG
93 int	pcihp_debug = 1;
94 #define	DBG(level, args) \
95 	{ if (pcihp_debug >= (level)) printf args; }
96 #define	DBG_F(level, args) \
97 	{ if (pcihp_debug >= (level)) fprintf args; }
98 #else
99 #define	DBG(level, args)	/* nothing */
100 #define	DBG_F(level, args)	/* nothing */
101 #endif
102 
103 #define	CMD_ACQUIRE		0
104 #define	CMD_GETSTAT		1
105 #define	CMD_LIST		2
106 #define	CMD_SLOT_CONNECT	3
107 #define	CMD_SLOT_DISCONNECT	4
108 #define	CMD_SLOT_CONFIGURE	5
109 #define	CMD_SLOT_UNCONFIGURE	6
110 #define	CMD_SLOT_INSERT		7
111 #define	CMD_SLOT_REMOVE		8
112 #define	CMD_OPEN		9
113 #define	CMD_FSTAT		10
114 #define	ERR_CMD_INVAL		11
115 #define	ERR_AP_INVAL		12
116 #define	ERR_AP_ERR		13
117 #define	ERR_OPT_INVAL		14
118 
119 static char *
120 cfga_errstrs[] = {
121 	/* n */ "acquire ",
122 	/* n */ "get-status ",
123 	/* n */ "list ",
124 	/* n */ "connect ",
125 	/* n */ "disconnect ",
126 	/* n */ "configure ",
127 	/* n */ "unconfigure ",
128 	/* n */ "insert ",
129 	/* n */ "remove ",
130 	/* n */ "open ",
131 	/* n */ "fstat ",
132 	/* y */ "invalid command ",
133 	/* y */ "invalid attachment point ",
134 	/* y */ "invalid transition ",
135 	/* y */ "invalid option ",
136 		NULL
137 };
138 
139 #define	HELP_HEADER		1
140 #define	HELP_CONFIG		2
141 #define	HELP_ENABLE_SLOT	3
142 #define	HELP_DISABLE_SLOT	4
143 #define	HELP_ENABLE_AUTOCONF	5
144 #define	HELP_DISABLE_AUTOCONF	6
145 #define	HELP_LED_CNTRL		7
146 #define	HELP_UNKNOWN		8
147 #define	SUCCESS			9
148 #define	FAILED			10
149 #define	UNKNOWN			11
150 
151 #define	MAXLINE			256
152 
153 /* for type string assembly in get_type() */
154 #define	TPCT(s)	(void) strlcat(buf, (s), CFGA_TYPE_LEN)
155 
156 extern int errno;
157 
158 static void cfga_err(char **errstring, ...);
159 static cfga_err_t fix_ap_name(char *ap_log_id, const char *ap_id,
160     char *slot_name, char **errstring);
161 static void build_control_data(struct hpc_control_data *iocdata, uint_t cmd,
162     void *retdata);
163 static cfga_err_t check_options(const char *options);
164 static void cfga_msg(struct cfga_msg *msgp, const char *str);
165 static char *findlink(char *ap_phys_id);
166 
167 static char *
168 cfga_strs[] = {
169 NULL,
170 "\nPCI hotplug specific commands:",
171 "\t-c [connect|disconnect|configure|unconfigure|insert|remove] "
172 "ap_id [ap_id...]",
173 "\t-x enable_slot  ap_id [ap_id...]",
174 "\t-x disable_slot ap_id [ap_id...]",
175 "\t-x enable_autoconfig  ap_id [ap_id...]",
176 "\t-x disable_autoconfig ap_id [ap_id...]",
177 "\t-x led[=[fault|power|active|attn],mode=[on|off|blink]] ap_id [ap_id...]",
178 "\tunknown command or option: ",
179 "success   ",
180 "failed   ",
181 "unknown",
182 NULL
183 };
184 
185 #define	MAX_FORMAT 80
186 
187 #define	ENABLE_SLOT	0
188 #define	DISABLE_SLOT	1
189 #define	ENABLE_AUTOCNF	2
190 #define	DISABLE_AUTOCNF	3
191 #define	LED		4
192 #define	MODE		5
193 
194 /*
195  * Board Type
196  */
197 static char *
198 board_strs[] = {
199 	/* n */ "???",	/* HPC_BOARD_UNKNOWN */
200 	/* n */ "hp",	/* HPC_BOARD_PCI_HOTPLUG */
201 	/* n */ "nhs",	/* HPC_BOARD_CPCI_NON_HS */
202 	/* n */ "bhs",  /* HPC_BOARD_CPCI_BASIC_HS */
203 	/* n */ "fhs",	/* HPC_BOARD_CPCI_FULL_HS */
204 	/* n */ "hs",	/* HPC_BOARD_CPCI_HS */
205 	/* n */ NULL
206 };
207 
208 /*
209  * HW functions
210  */
211 static char *
212 func_strs[] = {
213 	/* n */ "enable_slot",
214 	/* n */ "disable_slot",
215 	/* n */ "enable_autoconfig",
216 	/* n */ "disable_autoconfig",
217 	/* n */ "led",
218 	/* n */ "mode",
219 	/* n */ NULL
220 };
221 
222 /*
223  * LED strings
224  */
225 static char *
226 led_strs[] = {
227 	/* n */ "fault",	/* HPC_FAULT_LED */
228 	/* n */ "power",	/* HPC_POWER_LED */
229 	/* n */ "attn",		/* HPC_ATTN_LED */
230 	/* n */ "active",	/* HPC_ACTIVE_LED */
231 	/* n */ NULL
232 };
233 
234 #define	FAULT	0
235 #define	POWER	1
236 #define	ATTN	2
237 #define	ACTIVE	3
238 
239 static char *
240 mode_strs[] = {
241 	/* n */ "off",		/* HPC_LED_OFF */
242 	/* n */ "on",		/* HPC_LED_ON */
243 	/* n */ "blink",	/* HPC_LED_BLINK */
244 	/* n */	NULL
245 };
246 
247 #define	OFF	0
248 #define	ON	1
249 #define	BLINK	2
250 
251 #define	cfga_errstrs(i)		cfga_errstrs[(i)]
252 
253 #define	cfga_eid(a, b)		(((a) << 8) + (b))
254 #define	MAXDEVS			32
255 
256 typedef enum {
257 	SOLARIS_SLT_NAME,
258 	PROM_SLT_NAME
259 } slt_name_src_t;
260 
261 struct searcharg {
262 	char	*devpath;
263 	char	slotnames[MAXDEVS][MAXNAMELEN];
264 	int	minor;
265 	di_prom_handle_t	promp;
266 	slt_name_src_t	slt_name_src;
267 };
268 
269 static void *private_check;
270 
271 static int
272 get_occupants(const char *ap_id, hpc_occupant_info_t *occupant)
273 {
274 	int rv;
275 	int fd;
276 	di_node_t ap_node;
277 	char *prop_data;
278 	char *tmp;
279 	char *ptr;
280 	struct stat statbuf;
281 	dev_t devt;
282 
283 	if ((fd = open(ap_id, O_RDWR)) == -1) {
284 		DBG(2, ("open = ap_id%s, fd%d\n", ap_id, fd));
285 		DBG_F(2, (stderr, "open on %s failed\n", ap_id));
286 		return (CFGA_ERROR);
287 	}
288 
289 	if (fstat(fd, &statbuf) == -1) {
290 		DBG(1, ("stat failed: %i\n", errno));
291 		(void) close(fd);
292 		return (CFGA_ERROR);
293 	}
294 	(void) close(fd);
295 
296 	devt = statbuf.st_rdev;
297 
298 	tmp = (char *)(ap_id + sizeof ("/devices") - 1);
299 	if ((ptr = strrchr(tmp, ':')) != NULL)
300 		*ptr = '\0';
301 
302 	ap_node = di_init(tmp, DINFOPROP | DINFOMINOR);
303 	if (ap_node == DI_NODE_NIL) {
304 		DBG(1, ("dead %i\n", errno));
305 		return (CFGA_ERROR);
306 	}
307 
308 #ifdef	PCIHP_DBG
309 	ptr = di_devfs_path(ap_node);
310 	DBG(1, ("get_occupants: %s\n", ptr));
311 	di_devfs_path_free(ptr);
312 #endif
313 
314 	if ((rv = di_prop_lookup_strings(devt, ap_node, "pci-occupant",
315 	    &prop_data)) == -1) {
316 		DBG(1, ("get_occupants: prop_lookup failed: %i\n", errno));
317 		di_fini(ap_node);
318 		return (CFGA_ERROR);
319 	}
320 
321 	if (prop_data && (strcmp(prop_data, "") == 0)) {
322 		di_fini(ap_node);
323 		occupant->i = 0;
324 		occupant->id[0] = NULL;
325 		return (CFGA_OK);
326 	}
327 
328 	DBG(1, ("get_occupants: %i devices found\n", rv));
329 	for (occupant->i = 0; occupant->i < rv; occupant->i++) {
330 		if (occupant->i >= (HPC_MAX_OCCUPANTS - 1)) {
331 			occupant->i--;
332 			break;
333 		}
334 		occupant->id[occupant->i] = (char *)malloc(
335 			strlen(prop_data) + sizeof ("/devices"));
336 		(void) snprintf(occupant->id[occupant->i], strlen(prop_data) +
337 		    sizeof ("/devices"), "/devices%s", prop_data);
338 		DBG(1, ("%s\n", occupant->id[occupant->i]));
339 		prop_data += strlen(prop_data) + 1;
340 	}
341 	di_fini(ap_node);
342 
343 	occupant->id[occupant->i] = NULL;
344 
345 	return (CFGA_OK);
346 }
347 
348 /*
349  * let rcm know that the device has indeed been removed and clean
350  * up rcm data
351  */
352 static void
353 confirm_rcm(hpc_occupant_info_t *occupant, rcm_handle_t *rhandle)
354 {
355 	DBG(1, ("confirm_rcm\n"));
356 
357 	if (occupant->i == 0) /* nothing was found to ask rcm about */
358 		return;
359 
360 	(void) rcm_notify_remove_list(rhandle, occupant->id, 0, NULL);
361 	(void) rcm_free_handle(rhandle);
362 
363 	for (; occupant->i >= 0; occupant->i--)
364 		free(occupant->id[occupant->i]);
365 }
366 
367 static void
368 fail_rcm(hpc_occupant_info_t *occupant, rcm_handle_t *rhandle)
369 {
370 	DBG(1, ("fail_rcm\n"));
371 
372 	if (occupant->i == 0) /* nothing was found to ask rcm about */
373 		return;
374 
375 	(void) rcm_notify_online_list(rhandle, occupant->id, 0, NULL);
376 	(void) rcm_free_handle(rhandle);
377 
378 	for (; occupant->i >= 0; occupant->i--)
379 		free(occupant->id[occupant->i]);
380 }
381 
382 /*
383  * copied from scsi_rcm_info_table
384  *
385  *      Takes an opaque rcm_info_t pointer and a character pointer, and appends
386  * the rcm_info_t data in the form of a table to the given character pointer.
387  */
388 static void
389 pci_rcm_info_table(rcm_info_t *rinfo, char **table)
390 {
391 	int i;
392 	size_t w;
393 	size_t width = 0;
394 	size_t w_rsrc = 0;
395 	size_t w_info = 0;
396 	size_t table_size = 0;
397 	uint_t tuples = 0;
398 	rcm_info_tuple_t *tuple = NULL;
399 	char *rsrc;
400 	char *info;
401 	char *newtable;
402 	static char format[MAX_FORMAT];
403 	const char *infostr;
404 
405 	/* Protect against invalid arguments */
406 	if (rinfo == NULL || table == NULL)
407 		return;
408 
409 	/* Set localized table header strings */
410 	rsrc = dgettext(TEXT_DOMAIN, "Resource");
411 	info = dgettext(TEXT_DOMAIN, "Information");
412 
413 	/* A first pass, to size up the RCM information */
414 	while (tuple = rcm_info_next(rinfo, tuple)) {
415 		if ((infostr = rcm_info_info(tuple)) != NULL) {
416 			tuples++;
417 			if ((w = strlen(rcm_info_rsrc(tuple))) > w_rsrc)
418 				w_rsrc = w;
419 			if ((w = strlen(infostr)) > w_info)
420 				w_info = w;
421 		}
422 	}
423 
424 	/* If nothing was sized up above, stop early */
425 	if (tuples == 0)
426 		return;
427 
428 	/* Adjust column widths for column headings */
429 	if ((w = strlen(rsrc)) > w_rsrc)
430 		w_rsrc = w;
431 	else if ((w_rsrc - w) % 2)
432 		w_rsrc++;
433 	if ((w = strlen(info)) > w_info)
434 		w_info = w;
435 	else if ((w_info - w) % 2)
436 		w_info++;
437 
438 	/*
439 	 * Compute the total line width of each line,
440 	 * accounting for intercolumn spacing.
441 	 */
442 	width = w_info + w_rsrc + 4;
443 
444 	/* Allocate space for the table */
445 	table_size = (2 + tuples) * (width + 1) + 2;
446 	if (*table == NULL) {
447 		/* zero fill for the strcat() call below */
448 		*table = calloc(table_size, sizeof (char));
449 		if (*table == NULL)
450 			return;
451 	} else {
452 		newtable = realloc(*table, strlen(*table) + table_size);
453 		if (newtable == NULL)
454 			return;
455 		else
456 			*table = newtable;
457 	}
458 
459 	/* Place a table header into the string */
460 
461 	/* The resource header */
462 	(void) strcat(*table, "\n");
463 	w = strlen(rsrc);
464 	for (i = 0; i < ((w_rsrc - w) / 2); i++)
465 		(void) strcat(*table, " ");
466 	(void) strcat(*table, rsrc);
467 	for (i = 0; i < ((w_rsrc - w) / 2); i++)
468 		(void) strcat(*table, " ");
469 
470 	/* The information header */
471 	(void) strcat(*table, "  ");
472 	w = strlen(info);
473 	for (i = 0; i < ((w_info - w) / 2); i++)
474 		(void) strcat(*table, " ");
475 	(void) strcat(*table, info);
476 	for (i = 0; i < ((w_info - w) / 2); i++)
477 		(void) strcat(*table, " ");
478 	/* Underline the headers */
479 	(void) strcat(*table, "\n");
480 	for (i = 0; i < w_rsrc; i++)
481 		(void) strcat(*table, "-");
482 	(void) strcat(*table, "  ");
483 	for (i = 0; i < w_info; i++)
484 		(void) strcat(*table, "-");
485 
486 	/* Construct the format string */
487 	(void) snprintf(format, MAX_FORMAT, "%%-%ds  %%-%ds",
488 	    (int)w_rsrc, (int)w_info);
489 
490 	/* Add the tuples to the table string */
491 	tuple = NULL;
492 	while ((tuple = rcm_info_next(rinfo, tuple)) != NULL) {
493 		if ((infostr = rcm_info_info(tuple)) != NULL) {
494 			(void) strcat(*table, "\n");
495 			(void) sprintf(&((*table)[strlen(*table)]),
496 			    format, rcm_info_rsrc(tuple),
497 			    infostr);
498 		}
499 	}
500 }
501 
502 /*
503  * Figure out what device is about to be unconfigured or disconnected
504  * and make sure rcm is ok with it.
505  * hangs on to a list of handles so they can then be confirmed or denied
506  * if either getting the occupant list or talking to rcm fails
507  * return CFGA_ERROR so that things can go on without rcm
508  */
509 static int
510 check_rcm(const char *ap_id, hpc_occupant_info_t *occupant,
511     rcm_handle_t **rhandlep, char **errstring, cfga_flags_t flags)
512 {
513 	int rv;
514 	rcm_info_t *rinfo;
515 	rcm_handle_t *rhandle;
516 	uint_t rcmflags;
517 
518 	if (get_occupants(ap_id, occupant) != 0) {
519 		DBG(1, ("check_rcm: failed to get occupants\n"));
520 		return (CFGA_ERROR);
521 	}
522 
523 	if (occupant->i == 0) {
524 		DBG(1, ("check_rcm: no drivers attaching to occupants\n"));
525 		return (CFGA_OK);
526 	}
527 
528 	if (rcm_alloc_handle(NULL, 0, NULL, &rhandle)
529 	    != RCM_SUCCESS) {
530 		DBG(1, ("check_rcm: blocked by rcm failure\n"));
531 		return (CFGA_ERROR);
532 	}
533 
534 	rcmflags = (flags & CFGA_FLAG_FORCE) ? RCM_FORCE : 0;
535 	rv = rcm_request_offline_list(rhandle, occupant->id, rcmflags, &rinfo);
536 
537 	if (rv == RCM_FAILURE) {
538 		DBG(1, ("check_rcm: blocked by rcm failure 2\n"));
539 		pci_rcm_info_table(rinfo, errstring);
540 		rcm_free_info(rinfo);
541 		fail_rcm(occupant, rhandle);
542 		return (CFGA_BUSY);
543 	}
544 	if (rv == RCM_CONFLICT) {
545 		DBG(1, ("check_rcm: blocked by %i\n",
546 		    rcm_info_pid(rinfo)));
547 		pci_rcm_info_table(rinfo, errstring);
548 		rcm_free_info(rinfo);
549 		(void) rcm_free_handle(rhandle);
550 		for (; occupant->i >= 0; occupant->i--)
551 			free(occupant->id[occupant->i]);
552 		return (CFGA_BUSY);
553 	}
554 
555 	rcm_free_info(rinfo);
556 	*rhandlep = rhandle;
557 
558 	/* else */
559 	return (CFGA_OK);
560 }
561 
562 
563 /*
564  * Transitional Diagram:
565  *
566  *  empty		unconfigure
567  * (remove)	^|  (physically insert card)
568  *			|V
569  * disconnect	configure
570  * "-c DISCONNECT"	^|	"-c CONNECT"
571  *				|V	"-c CONFIGURE"
572  * connect	unconfigure	->	connect    configure
573  *						<-
574  *					"-c UNCONFIGURE"
575  *
576  */
577 /*ARGSUSED*/
578 cfga_err_t
579 cfga_change_state(cfga_cmd_t state_change_cmd, const char *ap_id,
580     const char *options, struct cfga_confirm *confp,
581     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
582 {
583 	int rv;
584 	devctl_hdl_t		dcp;
585 	devctl_ap_state_t	state;
586 	ap_rstate_t		rs;
587 	ap_ostate_t		os;
588 	hpc_occupant_info_t occupants;
589 	rcm_handle_t *rhandle;
590 
591 	if ((rv = check_options(options)) != CFGA_OK) {
592 		return (rv);
593 	}
594 
595 	if (errstring != NULL)
596 		*errstring = NULL;
597 
598 	rv = CFGA_OK;
599 	DBG(1, ("cfga_change_state:(%s)\n", ap_id));
600 
601 	if ((dcp = devctl_ap_acquire((char *)ap_id, 0)) == NULL) {
602 		if (rv == EBUSY) {
603 			cfga_err(errstring, CMD_ACQUIRE, ap_id, 0);
604 			DBG(1, ("cfga_change_state: device is busy\n"));
605 			rv = CFGA_BUSY;
606 		} else
607 			rv = CFGA_ERROR;
608 		return (rv);
609 	}
610 
611 	if (devctl_ap_getstate(dcp, NULL, &state) == -1) {
612 		DBG(2, ("cfga_change_state: devctl ap getstate failed\n"));
613 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
614 		devctl_release((devctl_hdl_t)dcp);
615 		if (rv == EBUSY)
616 			rv = CFGA_BUSY;
617 		else
618 			rv = CFGA_ERROR;
619 		return (rv);
620 	}
621 
622 	rs = state.ap_rstate;
623 	os = state.ap_ostate;
624 
625 	DBG(1, ("cfga_change_state: rs is %d\n", state.ap_rstate));
626 	DBG(1, ("cfga_change_state: os is %d\n", state.ap_ostate));
627 	switch (state_change_cmd) {
628 	case CFGA_CMD_CONNECT:
629 		if ((rs == AP_RSTATE_EMPTY) ||
630 		    (rs == AP_RSTATE_CONNECTED) ||
631 		    (os == AP_OSTATE_CONFIGURED)) {
632 			cfga_err(errstring, ERR_AP_ERR, 0);
633 			rv = CFGA_INVAL;
634 		} else {
635 			/* Lets connect the slot */
636 			if (devctl_ap_connect(dcp, NULL) == -1) {
637 				rv = CFGA_ERROR;
638 				cfga_err(errstring,
639 				    CMD_SLOT_CONNECT, 0);
640 			}
641 		}
642 
643 		break;
644 
645 	case CFGA_CMD_DISCONNECT:
646 		DBG(1, ("disconnect\n"));
647 
648 		if (os == AP_OSTATE_CONFIGURED) {
649 			if ((rv = check_rcm(ap_id, &occupants, &rhandle,
650 			    errstring, flags)) == CFGA_BUSY) {
651 				break;
652 			} else if (rv == CFGA_OK) {
653 				if (devctl_ap_unconfigure(dcp, NULL) == -1) {
654 					if (errno == EBUSY)
655 						rv = CFGA_BUSY;
656 					else
657 						rv = CFGA_ERROR;
658 					cfga_err(errstring,
659 					    CMD_SLOT_DISCONNECT, 0);
660 					fail_rcm(&occupants, rhandle);
661 					break;
662 				} else {
663 					confirm_rcm(&occupants, rhandle);
664 				}
665 			} else { /* rv == CFGA_ERROR */
666 				if (devctl_ap_unconfigure(dcp, NULL) == -1) {
667 					if (errno == EBUSY)
668 						rv = CFGA_BUSY;
669 					else
670 						rv = CFGA_ERROR;
671 					break;
672 				} else {
673 					rv = CFGA_OK;
674 				}
675 			}
676 		}
677 
678 		if (rs == AP_RSTATE_CONNECTED) {
679 			if (devctl_ap_disconnect(dcp, NULL) == -1) {
680 				rv = CFGA_ERROR;
681 				cfga_err(errstring, CMD_SLOT_DISCONNECT, 0);
682 				break;
683 			}
684 		} else {
685 			cfga_err(errstring, ERR_AP_ERR, 0);
686 			rv = CFGA_INVAL;
687 		}
688 
689 		break;
690 
691 	case CFGA_CMD_CONFIGURE:
692 		if (rs == AP_RSTATE_DISCONNECTED) {
693 			if (devctl_ap_connect(dcp, NULL) == -1) {
694 				rv = CFGA_ERROR;
695 				cfga_err(errstring, CMD_SLOT_CONNECT, 0);
696 				break;
697 			}
698 		}
699 
700 		/*
701 		 * for multi-func device we allow multiple
702 		 * configure on the same slot because one
703 		 * func can be configured and other one won't
704 		 */
705 		if (devctl_ap_configure(dcp, NULL) == -1) {
706 			rv = CFGA_ERROR;
707 			cfga_err(errstring, CMD_SLOT_CONFIGURE, 0);
708 			if ((rs == AP_RSTATE_DISCONNECTED) &&
709 					(devctl_ap_disconnect(dcp, NULL)
710 								== -1)) {
711 				rv = CFGA_ERROR;
712 				cfga_err(errstring,
713 				    CMD_SLOT_CONFIGURE, 0);
714 			}
715 			break;
716 		}
717 
718 		break;
719 
720 	case CFGA_CMD_UNCONFIGURE:
721 		DBG(1, ("unconfigure\n"));
722 
723 		if (os == AP_OSTATE_CONFIGURED) {
724 			if ((rv = check_rcm(ap_id, &occupants, &rhandle,
725 			    errstring, flags)) == CFGA_BUSY) {
726 				break;
727 			} else if (rv == CFGA_OK) {
728 				if (devctl_ap_unconfigure(dcp, NULL) == -1) {
729 					if (errno == EBUSY)
730 						rv = CFGA_BUSY;
731 					else {
732 						if (errno == ENOTSUP)
733 							rv = CFGA_OPNOTSUPP;
734 						else
735 							rv = CFGA_ERROR;
736 					}
737 					cfga_err(errstring,
738 					    CMD_SLOT_UNCONFIGURE, 0);
739 					fail_rcm(&occupants, rhandle);
740 				} else {
741 					confirm_rcm(&occupants, rhandle);
742 				}
743 			} else { /* rv == CFGA_ERROR */
744 				if (devctl_ap_unconfigure(dcp, NULL) == -1) {
745 					if (errno == EBUSY)
746 						rv = CFGA_BUSY;
747 					else {
748 						if (errno == ENOTSUP)
749 							rv = CFGA_OPNOTSUPP;
750 						else
751 							rv = CFGA_ERROR;
752 					}
753 					cfga_err(errstring,
754 					    CMD_SLOT_UNCONFIGURE, 0);
755 				} else {
756 					rv = CFGA_OK;
757 				}
758 			}
759 		} else {
760 			cfga_err(errstring, ERR_AP_ERR, 0);
761 			rv = CFGA_INVAL;
762 		}
763 
764 		DBG(1, ("uncofigure rv:(%i)\n", rv));
765 		break;
766 
767 	case CFGA_CMD_LOAD:
768 		if ((os == AP_OSTATE_UNCONFIGURED) &&
769 		    (rs == AP_RSTATE_DISCONNECTED)) {
770 			if (devctl_ap_insert(dcp, NULL) == -1) {
771 				rv = CFGA_ERROR;
772 				cfga_err(errstring, CMD_SLOT_INSERT, 0);
773 			}
774 		} else {
775 			cfga_err(errstring, ERR_AP_ERR, 0);
776 			rv = CFGA_INVAL;
777 		}
778 
779 		break;
780 
781 	case CFGA_CMD_UNLOAD:
782 		if ((os == AP_OSTATE_UNCONFIGURED) &&
783 		    (rs == AP_RSTATE_DISCONNECTED)) {
784 			if (devctl_ap_remove(dcp, NULL) == -1) {
785 				rv = CFGA_ERROR;
786 				cfga_err(errstring, CMD_SLOT_REMOVE, 0);
787 			}
788 		} else {
789 				cfga_err(errstring, ERR_AP_ERR, 0);
790 				rv = CFGA_INVAL;
791 			}
792 
793 		break;
794 
795 	default:
796 		rv = CFGA_OPNOTSUPP;
797 		break;
798 	}
799 
800 	devctl_release((devctl_hdl_t)dcp);
801 	return (rv);
802 }
803 
804 /*
805  * Building iocdatat to pass it to nexus
806  *
807  *	iocdata->cmd ==  HPC_CTRL_ENABLE_SLOT/HPC_CTRL_DISABLE_SLOT
808  *			HPC_CTRL_ENABLE_AUTOCFG/HPC_CTRL_DISABLE_AUTOCFG
809  *			HPC_CTRL_GET_LED_STATE/HPC_CTRL_SET_LED_STATE
810  *			HPC_CTRL_GET_SLOT_STATE/HPC_CTRL_GET_SLOT_INFO
811  *			HPC_CTRL_DEV_CONFIGURE/HPC_CTRL_DEV_UNCONFIGURE
812  *			HPC_CTRL_GET_BOARD_TYPE
813  *
814  */
815 static void
816 build_control_data(struct hpc_control_data *iocdata, uint_t cmd,
817     void *retdata)
818 {
819 	iocdata->cmd = cmd;
820 	iocdata->data = retdata;
821 }
822 
823 /*
824  * building logical name from ap_id
825  */
826 /*ARGSUSED2*/
827 static void
828 get_logical_name(const char *ap_id, char *buf, dev_t rdev)
829 {
830 	char *bufptr, *bufptr2, *pci, *apid;
831 
832 	DBG(1, ("get_logical_name: %s\n", ap_id));
833 
834 	if ((apid = malloc(MAXPATHLEN)) == NULL) {
835 		DBG(1, ("malloc failed\n"));
836 		return;
837 	}
838 
839 	(void) memset(apid, 0, MAXPATHLEN);
840 	(void) strncpy(apid, ap_id, strlen(ap_id));
841 
842 	/* needs to look for last /, not first */
843 	bufptr = strrchr(apid, '/');
844 
845 	bufptr2 = strrchr(apid, ':');
846 	pci = ++bufptr;
847 	bufptr = strchr(pci, ',');
848 	if (bufptr != NULL) {
849 		*bufptr = '\0';
850 	}
851 
852 	bufptr = strchr(pci, '@');
853 	if (bufptr != NULL) {
854 		*bufptr = '\0';
855 		bufptr++;
856 	}
857 
858 	DBG(1, ("%s\n%s\n%s\n", pci, bufptr, bufptr2));
859 
860 	(void) strcat(buf, pci);
861 	(void) strcat(buf, bufptr);
862 	(void) strcat(buf, bufptr2);
863 	free(apid);
864 }
865 
866 static cfga_err_t
867 prt_led_mode(const char *ap_id, int repeat, char **errstring,
868     struct cfga_msg *msgp)
869 {
870 	hpc_led_info_t	power_led_info = {HPC_POWER_LED, 0};
871 	hpc_led_info_t	fault_led_info = {HPC_FAULT_LED, 0};
872 	hpc_led_info_t	attn_led_info = {HPC_ATTN_LED, 0};
873 	hpc_led_info_t	active_led_info = {HPC_ACTIVE_LED, 0};
874 	struct hpc_control_data iocdata;
875 	struct stat	statbuf;
876 	char  *buff;
877 	int	fd;
878 	hpc_slot_info_t		slot_info;
879 	char *cp, line[MAXLINE];
880 	int len = MAXLINE;
881 
882 	DBG(1, ("prt_led_mod function\n"));
883 	if (!repeat)
884 		cfga_msg(msgp, "Ap_Id\t\t\tLed");
885 
886 	if ((fd = open(ap_id, O_RDWR)) == -1) {
887 		DBG(2, ("open = ap_id%s, fd%d\n", ap_id, fd));
888 		DBG_F(2, (stderr, "open on %s failed\n", ap_id));
889 		cfga_err(errstring, CMD_OPEN,  ap_id, 0);
890 		return (CFGA_ERROR);
891 	}
892 
893 	if (fstat(fd, &statbuf) == -1) {
894 		DBG(2, ("fstat = ap_id%s, fd%d\n", ap_id, fd));
895 		DBG_F(2, (stderr, "fstat on %s failed\n", ap_id));
896 		cfga_err(errstring, CMD_FSTAT, ap_id, 0);
897 		return (CFGA_ERROR);
898 	}
899 
900 	if ((buff = malloc(MAXPATHLEN)) == NULL) {
901 		cfga_err(errstring, "malloc ", 0);
902 		return (CFGA_ERROR);
903 	}
904 
905 	(void) memset(buff, 0, MAXPATHLEN);
906 
907 	DBG(1, ("ioctl boardtype\n"));
908 
909 	build_control_data(&iocdata, HPC_CTRL_GET_SLOT_INFO,
910 	    (void *)&slot_info);
911 
912 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
913 		get_logical_name(ap_id, slot_info.pci_slot_name, 0);
914 		DBG(1, ("ioctl failed slotinfo: %s\n",
915 		    slot_info.pci_slot_name));
916 	} else {
917 
918 		/*
919 		 * the driver will report back things like hpc0_slot0
920 		 * this needs to be changed to things like pci1:hpc0_slot0
921 		 */
922 		if (fix_ap_name(buff, ap_id, slot_info.pci_slot_name,
923 		    errstring) != CFGA_OK) {
924 			free(buff);
925 			(void) close(fd);
926 			return (CFGA_ERROR);
927 		}
928 		DBG(1, ("ioctl slotinfo: %s\n", buff));
929 	}
930 
931 	cp = line;
932 	(void) snprintf(cp, len, "%s\t\t", buff);
933 	len -= strlen(cp);
934 	cp += strlen(cp);
935 
936 	free(buff);
937 
938 	build_control_data(&iocdata, HPC_CTRL_GET_LED_STATE, &power_led_info);
939 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
940 		(void) snprintf(cp, len, "%s=%s,",
941 		    led_strs[power_led_info.led], cfga_strs[UNKNOWN]);
942 		len -= strlen(cp);
943 		cp += strlen(cp);
944 	} else {
945 		(void) snprintf(cp, len, "%s=%s,", led_strs[power_led_info.led],
946 		    mode_strs[power_led_info.state]);
947 		len -= strlen(cp);
948 		cp += strlen(cp);
949 	}
950 
951 	DBG(1, ("%s:%d\n", led_strs[power_led_info.led], power_led_info.state));
952 
953 	build_control_data(&iocdata, HPC_CTRL_GET_LED_STATE, &fault_led_info);
954 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
955 		(void) snprintf(cp, len, "%s=%s,",
956 		    led_strs[fault_led_info.led], cfga_strs[UNKNOWN]);
957 		len -= strlen(cp);
958 		cp += strlen(cp);
959 	} else {
960 		(void) snprintf(cp, len, "%s=%s,",
961 		    led_strs[fault_led_info.led],
962 		    mode_strs[fault_led_info.state]);
963 		len -= strlen(cp);
964 		cp += strlen(cp);
965 	}
966 	DBG(1, ("%s:%d\n", led_strs[fault_led_info.led], fault_led_info.state));
967 
968 	build_control_data(&iocdata, HPC_CTRL_GET_LED_STATE, &attn_led_info);
969 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
970 		(void) snprintf(cp, len, "%s=%s,",
971 		    led_strs[attn_led_info.led], cfga_strs[UNKNOWN]);
972 		len -= strlen(cp);
973 		cp += strlen(cp);
974 	} else {
975 		(void) snprintf(cp, len, "%s=%s,",
976 		    led_strs[attn_led_info.led],
977 		    mode_strs[attn_led_info.state]);
978 		len -= strlen(cp);
979 		cp += strlen(cp);
980 	}
981 	DBG(1, ("%s:%d\n", led_strs[attn_led_info.led], attn_led_info.state));
982 
983 	build_control_data(&iocdata, HPC_CTRL_GET_LED_STATE, &active_led_info);
984 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
985 		(void) snprintf(cp, len, "%s=%s", led_strs[active_led_info.led],
986 		    cfga_strs[UNKNOWN]);
987 	} else {
988 		(void) snprintf(cp, len, "%s=%s",
989 		    led_strs[active_led_info.led],
990 		    mode_strs[active_led_info.state]);
991 	}
992 	cfga_msg(msgp, line);	/* print the message */
993 	DBG(1, ("%s:%d\n", led_strs[active_led_info.led],
994 	    active_led_info.state));
995 
996 	(void) close(fd);
997 
998 	return (CFGA_OK);
999 }
1000 
1001 /*ARGSUSED*/
1002 cfga_err_t
1003 cfga_private_func(const char *function, const char *ap_id,
1004     const char *options, struct cfga_confirm *confp,
1005     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
1006 {
1007 	char *str;
1008 	int   len, fd, i = 0, repeat = 0;
1009 	char buf[MAXNAMELEN];
1010 	char ptr;
1011 	hpc_led_info_t	led_info;
1012 	struct hpc_control_data	iocdata;
1013 	cfga_err_t rv;
1014 
1015 	DBG(1, ("cfgadm_private_func: ap_id:%s\n", ap_id));
1016 	DBG(2, ("  options: %s\n", (options == NULL)?"null":options));
1017 	DBG(2, ("  confp: %x\n", confp));
1018 	DBG(2, ("  cfga_msg: %x\n", cfga_msg));
1019 	DBG(2, ("  flag: %d\n", flags));
1020 
1021 	if ((rv = check_options(options)) != CFGA_OK) {
1022 		return (rv);
1023 	}
1024 
1025 	if (private_check == confp)
1026 		repeat = 1;
1027 	else
1028 		private_check = (void*)confp;
1029 
1030 	/* XXX change const 6 to func_str[i] != NULL */
1031 	for (i = 0, str = func_strs[i], len = strlen(str); i < 6; i++) {
1032 		str = func_strs[i];
1033 		len = strlen(str);
1034 		if (strncmp(function, str, len) == 0)
1035 			break;
1036 	}
1037 
1038 	switch (i) {
1039 		case ENABLE_SLOT:
1040 			build_control_data(&iocdata,
1041 				HPC_CTRL_ENABLE_SLOT, 0);
1042 			break;
1043 		case DISABLE_SLOT:
1044 			build_control_data(&iocdata,
1045 				HPC_CTRL_DISABLE_SLOT, 0);
1046 			break;
1047 		case ENABLE_AUTOCNF:
1048 			build_control_data(&iocdata,
1049 				HPC_CTRL_ENABLE_AUTOCFG, 0);
1050 			break;
1051 		case DISABLE_AUTOCNF:
1052 			build_control_data(&iocdata,
1053 				HPC_CTRL_DISABLE_AUTOCFG, 0);
1054 			break;
1055 		case LED:
1056 			/* set mode */
1057 			ptr = function[len++];
1058 			if (ptr == '=') {
1059 				str = (char *)function;
1060 				for (str = (str+len++), i = 0; *str != ',';
1061 				    i++, str++) {
1062 					if (i == (MAXNAMELEN - 1))
1063 						break;
1064 
1065 					buf[i] = *str;
1066 					DBG_F(2, (stdout, "%c\n", buf[i]));
1067 				}
1068 				buf[i] = '\0'; str++;
1069 				DBG(2, ("buf = %s\n", buf));
1070 
1071 				/* ACTIVE=3,ATTN=2,POWER=1,FAULT=0 */
1072 				if (strcmp(buf, led_strs[POWER]) == 0)
1073 					led_info.led = HPC_POWER_LED;
1074 				else if (strcmp(buf, led_strs[FAULT]) == 0)
1075 					led_info.led = HPC_FAULT_LED;
1076 				else if (strcmp(buf, led_strs[ATTN]) == 0)
1077 					led_info.led = HPC_ATTN_LED;
1078 				else if (strcmp(buf, led_strs[ACTIVE]) == 0)
1079 					led_info.led = HPC_ACTIVE_LED;
1080 				else return (CFGA_INVAL);
1081 
1082 				len = strlen(func_strs[MODE]);
1083 				if ((strncmp(str, func_strs[MODE], len) == 0) &&
1084 				    (*(str+(len)) == '=')) {
1085 				    for (str = (str+(++len)), i = 0;
1086 					*str != NULL; i++, str++) {
1087 						buf[i] = *str;
1088 
1089 				    }
1090 				}
1091 				buf[i] = '\0';
1092 				DBG(2, ("buf_mode= %s\n", buf));
1093 
1094 				/* ON = 1, OFF = 0 */
1095 				if (strcmp(buf, mode_strs[ON]) == 0)
1096 					led_info.state = HPC_LED_ON;
1097 				else if (strcmp(buf, mode_strs[OFF]) == 0)
1098 					led_info.state = HPC_LED_OFF;
1099 				else if (strcmp(buf, mode_strs[BLINK]) == 0)
1100 					led_info.state = HPC_LED_BLINK;
1101 				else return (CFGA_INVAL);
1102 
1103 				/* sendin  */
1104 				build_control_data(&iocdata,
1105 				    HPC_CTRL_SET_LED_STATE,
1106 				    (void *)&led_info);
1107 				break;
1108 			} else if (ptr == '\0') {
1109 				/* print mode */
1110 				DBG(1, ("Print mode\n"));
1111 				return (prt_led_mode(ap_id, repeat, errstring,
1112 				    msgp));
1113 			}
1114 		default:
1115 			DBG(1, ("default\n"));
1116 			errno = EINVAL;
1117 			return (CFGA_INVAL);
1118 	}
1119 
1120 	if ((fd = open(ap_id, O_RDWR)) == -1) {
1121 		DBG(1, ("open failed\n"));
1122 		return (CFGA_ERROR);
1123 	}
1124 
1125 	DBG(1, ("open = ap_id=%s, fd=%d\n", ap_id, fd));
1126 
1127 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
1128 		DBG(1, ("ioctl failed\n"));
1129 		(void) close(fd);
1130 		return (CFGA_ERROR);
1131 	}
1132 
1133 	(void) close(fd);
1134 
1135 	return (CFGA_OK);
1136 }
1137 
1138 /*ARGSUSED*/
1139 cfga_err_t cfga_test(const char *ap_id, const char *options,
1140     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
1141 {
1142 	cfga_err_t rv;
1143 	if (errstring != NULL)
1144 		*errstring = NULL;
1145 
1146 	if ((rv = check_options(options)) != CFGA_OK) {
1147 		return (rv);
1148 	}
1149 
1150 	DBG(1, ("cfga_test:(%s)\n", ap_id));
1151 	/* will need to implement pci CTRL command */
1152 	return (CFGA_NOTSUPP);
1153 }
1154 
1155 static int
1156 fixup_slotname(int rval, int *intp, struct searcharg *slotarg)
1157 {
1158 
1159 /*
1160  * The slot-names property describes the external labeling of add-in slots.
1161  * This property is an encoded array, an integer followed by a list of
1162  * strings. The return value from di_prop_lookup_ints for slot-names is -1.
1163  * The expected return value should be the number of elements.
1164  * Di_prop_decode_common does not decode encoded data from software,
1165  * such as the solaris device tree, unlike from the prom.
1166  * Di_prop_decode_common takes the size of the encoded data and mods
1167  * it with the size of int. The size of the encoded data for slot-names is 9
1168  * and the size of int is 4, yielding a non zero result. A value of -1 is used
1169  * to indicate that the number of elements can not be determined.
1170  * Di_prop_decode_common can be modified to decode encoded data from the solaris
1171  * device tree.
1172  */
1173 
1174 	if ((slotarg->slt_name_src == PROM_SLT_NAME) && (rval == -1)) {
1175 		return (DI_WALK_TERMINATE);
1176 	} else {
1177 		int i;
1178 		char *tmptr = (char *)(intp+1);
1179 		DBG(1, ("slot-bitmask: %x \n", *intp));
1180 
1181 		rval = (rval -1) * 4;
1182 
1183 		for (i = 0; i <= slotarg->minor; i++) {
1184 			DBG(2, ("curr slot-name: %s \n", tmptr));
1185 
1186 			if (i >= MAXDEVS)
1187 				return (DI_WALK_TERMINATE);
1188 
1189 			if ((*intp >> i) & 1) {
1190 				/* assign tmptr */
1191 				DBG(2, ("slot-name: %s \n", tmptr));
1192 				if (i == slotarg->minor)
1193 					(void) strcpy(slotarg->slotnames[i],
1194 					    tmptr);
1195 				/* wind tmptr to next \0 */
1196 				while (*tmptr != '\0') {
1197 					tmptr++;
1198 				}
1199 				tmptr++;
1200 			} else {
1201 				/* point at unknown string */
1202 				if (i == slotarg->minor)
1203 					(void) strcpy(slotarg->slotnames[i],
1204 					    "unknown");
1205 			}
1206 		}
1207 	}
1208 	return (DI_WALK_TERMINATE);
1209 }
1210 
1211 static int
1212 find_slotname(di_node_t din, di_minor_t dim, void *arg)
1213 {
1214 	struct searcharg *slotarg = (struct searcharg *)arg;
1215 	di_prom_handle_t ph = (di_prom_handle_t)slotarg->promp;
1216 	di_prom_prop_t	prom_prop;
1217 	di_prop_t	solaris_prop;
1218 	int *intp, rval;
1219 	char *devname;
1220 	char fulldevname[MAXNAMELEN];
1221 
1222 	slotarg->minor = dim->dev_minor % 256;
1223 
1224 	DBG(2, ("minor number:(%i)\n", slotarg->minor));
1225 	DBG(2, ("hot plug slots found so far:(%i)\n", 0));
1226 
1227 	if ((devname = di_devfs_path(din)) != NULL) {
1228 		(void) snprintf(fulldevname, MAXNAMELEN,
1229 		    "/devices%s:%s", devname, di_minor_name(dim));
1230 		di_devfs_path_free(devname);
1231 	}
1232 
1233 	if (strcmp(fulldevname, slotarg->devpath) == 0) {
1234 
1235 		/*
1236 		 * Check the Solaris device tree first
1237 		 * in the case of a DR operation
1238 		 */
1239 		solaris_prop = di_prop_hw_next(din, DI_PROP_NIL);
1240 		while (solaris_prop != DI_PROP_NIL) {
1241 			if (strcmp("slot-names", di_prop_name(solaris_prop))
1242 			    == 0) {
1243 				rval = di_prop_lookup_ints(DDI_DEV_T_ANY,
1244 				    din, di_prop_name(solaris_prop), &intp);
1245 				slotarg->slt_name_src = SOLARIS_SLT_NAME;
1246 
1247 				return (fixup_slotname(rval, intp, slotarg));
1248 			}
1249 			solaris_prop = di_prop_hw_next(din, solaris_prop);
1250 		}
1251 
1252 		/*
1253 		 * Check the prom device tree which is populated at boot.
1254 		 * If this fails, give up and set the slot name to null.
1255 		 */
1256 		prom_prop = di_prom_prop_next(ph, din, DI_PROM_PROP_NIL);
1257 		while (prom_prop != DI_PROM_PROP_NIL) {
1258 			if (strcmp("slot-names", di_prom_prop_name(prom_prop))
1259 			    == 0) {
1260 				rval = di_prom_prop_lookup_ints(ph,
1261 				    din, di_prom_prop_name(prom_prop), &intp);
1262 				slotarg->slt_name_src = PROM_SLT_NAME;
1263 
1264 				return (fixup_slotname(rval, intp, slotarg));
1265 			}
1266 			prom_prop = di_prom_prop_next(ph, din, prom_prop);
1267 		}
1268 		*slotarg->slotnames[slotarg->minor] = '\0';
1269 		return (DI_WALK_TERMINATE);
1270 	} else
1271 		return (DI_WALK_CONTINUE);
1272 }
1273 
1274 static int
1275 find_physical_slot_names(const char *devcomp, struct searcharg *slotarg)
1276 {
1277 	di_node_t root_node;
1278 
1279 	DBG(1, ("find_physical_slot_names\n"));
1280 
1281 	if ((root_node = di_init("/", DINFOCPYALL|DINFOPATH))
1282 		== DI_NODE_NIL) {
1283 		DBG(1, ("di_init() failed\n"));
1284 		return (NULL);
1285 	}
1286 
1287 	slotarg->devpath = (char *)devcomp;
1288 
1289 	if ((slotarg->promp = di_prom_init()) == DI_PROM_HANDLE_NIL) {
1290 		DBG(1, ("di_prom_init() failed\n"));
1291 		di_fini(root_node);
1292 		return (NULL);
1293 	}
1294 
1295 	(void) di_walk_minor(root_node, "ddi_ctl:attachment_point:pci",
1296 		0, (void *)slotarg, find_slotname);
1297 
1298 	di_prom_fini(slotarg->promp);
1299 	di_fini(root_node);
1300 	if (slotarg->slotnames[0] != NULL)
1301 		return (0);
1302 	else
1303 		return (-1);
1304 }
1305 
1306 static void
1307 get_type(hpc_board_type_t boardtype, hpc_card_info_t cardinfo, char *buf)
1308 {
1309 	int i;
1310 
1311 	DBG(1, ("class: %i\n", cardinfo.base_class));
1312 	DBG(1, ("subclass: %i\n", cardinfo.sub_class));
1313 
1314 	if (cardinfo.base_class == PCI_CLASS_NONE) {
1315 		TPCT("unknown");
1316 		return;
1317 	}
1318 
1319 	for (i = 0; i < class_pci_items; i++) {
1320 		if ((cardinfo.base_class == class_pci[i].base_class) &&
1321 		    (cardinfo.sub_class == class_pci[i].sub_class) &&
1322 		    (cardinfo.prog_class == class_pci[i].prog_class)) {
1323 			TPCT(class_pci[i].short_desc);
1324 			break;
1325 		}
1326 	}
1327 
1328 	if (i == class_pci_items)
1329 		TPCT("unknown");
1330 
1331 	TPCT("/");
1332 	switch (boardtype) {
1333 	case HPC_BOARD_PCI_HOTPLUG:
1334 	case HPC_BOARD_CPCI_NON_HS:
1335 	case HPC_BOARD_CPCI_BASIC_HS:
1336 	case HPC_BOARD_CPCI_FULL_HS:
1337 	case HPC_BOARD_CPCI_HS:
1338 		TPCT(board_strs[boardtype]);
1339 		break;
1340 	case HPC_BOARD_UNKNOWN:
1341 	default:
1342 		TPCT(board_strs[HPC_BOARD_UNKNOWN]);
1343 	}
1344 }
1345 
1346 /*
1347  * call-back function for di_devlink_walk
1348  * if the link lives in /dev/cfg copy its name
1349  */
1350 static int
1351 found_devlink(di_devlink_t link, void *ap_log_id)
1352 {
1353 	if (strncmp("/dev/cfg/", di_devlink_path(link), 9) == 0) {
1354 		/* copy everything but /dev/cfg/ */
1355 		(void) strcpy((char *)ap_log_id, di_devlink_path(link) + 9);
1356 		DBG(1, ("found_devlink: %s\n", (char *)ap_log_id));
1357 		return (DI_WALK_TERMINATE);
1358 	}
1359 	return (DI_WALK_CONTINUE);
1360 }
1361 
1362 /*
1363  * Walk throught the cached /dev link tree looking for links to the ap
1364  * if none are found return an error
1365  */
1366 static cfga_err_t
1367 check_devlinks(char *ap_log_id, const char *ap_id)
1368 {
1369 	di_devlink_handle_t hdl;
1370 
1371 	DBG(1, ("check_devlinks: %s\n", ap_id));
1372 
1373 	hdl = di_devlink_init(NULL, 0);
1374 
1375 	if (strncmp("/devices/", ap_id, 9) == 0) {
1376 		/* ap_id is a valid minor_path with /devices prepended */
1377 		(void) di_devlink_walk(hdl, NULL, ap_id + 8, DI_PRIMARY_LINK,
1378 		    (void *)ap_log_id, found_devlink);
1379 	} else {
1380 		DBG(1, ("check_devlinks: invalid ap_id: %s\n", ap_id));
1381 		return (CFGA_ERROR);
1382 	}
1383 
1384 	(void) di_devlink_fini(&hdl);
1385 
1386 	if (ap_log_id[0] != '\0')
1387 		return (CFGA_OK);
1388 	else
1389 		return (CFGA_ERROR);
1390 }
1391 
1392 /*
1393  * most of this is needed to compensate for
1394  * differences between various platforms
1395  */
1396 static cfga_err_t
1397 fix_ap_name(char *ap_log_id, const char *ap_id, char *slot_name,
1398     char **errstring)
1399 {
1400 	char *buf;
1401 	char *tmp;
1402 	char *ptr;
1403 
1404 	di_node_t ap_node;
1405 
1406 	ap_log_id[0] = '\0';
1407 
1408 	if (check_devlinks(ap_log_id, ap_id) == CFGA_OK)
1409 		return (CFGA_OK);
1410 
1411 	DBG(1, ("fix_ap_name: %s\n", ap_id));
1412 
1413 	if ((buf = malloc(strlen(ap_id) + 1)) == NULL) {
1414 		DBG(1, ("malloc failed\n"));
1415 		return (CFGA_ERROR);
1416 	}
1417 	(void) strcpy(buf, ap_id);
1418 	tmp = buf + sizeof ("/devices") - 1;
1419 
1420 	ptr = strchr(tmp, ':');
1421 	ptr[0] = '\0';
1422 
1423 	DBG(1, ("fix_ap_name: %s\n", tmp));
1424 
1425 	ap_node = di_init(tmp, DINFOMINOR);
1426 	if (ap_node == DI_NODE_NIL) {
1427 		cfga_err(errstring, "di_init ", 0);
1428 		DBG(1, ("fix_ap_name: failed to snapshot node\n"));
1429 		return (CFGA_ERROR);
1430 	}
1431 
1432 	(void) snprintf(ap_log_id, strlen(ap_id) + 1, "%s%i:%s",
1433 	    di_driver_name(ap_node), di_instance(ap_node), slot_name);
1434 
1435 	DBG(1, ("fix_ap_name: %s\n", ap_log_id));
1436 
1437 	di_fini(ap_node);
1438 
1439 	free(buf);
1440 	return (CFGA_OK);
1441 }
1442 
1443 
1444 static int
1445 findlink_cb(di_devlink_t devlink, void *arg)
1446 {
1447 	(*(char **)arg) = strdup(di_devlink_path(devlink));
1448 
1449 	return (DI_WALK_TERMINATE);
1450 }
1451 
1452 /*
1453  * returns an allocated string containing the full path to the devlink for
1454  * <ap_phys_id> in the devlink database; we expect only one devlink per
1455  * <ap_phys_id> so we return the first encountered
1456  */
1457 static char *
1458 findlink(char *ap_phys_id)
1459 {
1460 	di_devlink_handle_t hdl;
1461 	char *path = NULL;
1462 
1463 	hdl = di_devlink_init(NULL, 0);
1464 
1465 	if (strncmp("/devices/", ap_phys_id, 9) == 0)
1466 		ap_phys_id += 8;
1467 
1468 	(void) di_devlink_walk(hdl, "^cfg/.+$", ap_phys_id, DI_PRIMARY_LINK,
1469 	    (void *)&path, findlink_cb);
1470 
1471 	(void) di_devlink_fini(&hdl);
1472 	return (path);
1473 }
1474 
1475 
1476 /*
1477  * returns CFGA_OK if it can succesfully retrieve the devlink info associated
1478  * with devlink for <ap_phys_id> which will be returned through <ap_info>
1479  */
1480 cfga_err_t
1481 get_dli(char *dlpath, char *ap_info, int ap_info_sz)
1482 {
1483 	int fd;
1484 
1485 	fd = di_dli_openr(dlpath);
1486 	if (fd < 0)
1487 		return (CFGA_ERROR);
1488 
1489 	(void) read(fd, ap_info, ap_info_sz);
1490 	ap_info[ap_info_sz - 1] = '\0';
1491 
1492 	di_dli_close(fd);
1493 	return (CFGA_OK);
1494 }
1495 
1496 
1497 /*ARGSUSED*/
1498 cfga_err_t
1499 cfga_list_ext(const char *ap_id, cfga_list_data_t **cs,
1500     int *nlist, const char *options, const char *listopts, char **errstring,
1501     cfga_flags_t flags)
1502 {
1503 	devctl_hdl_t		dcp;
1504 	struct hpc_control_data	iocdata;
1505 	devctl_ap_state_t	state;
1506 	hpc_board_type_t	boardtype;
1507 	hpc_card_info_t		cardinfo;
1508 	hpc_slot_info_t		slot_info;
1509 	struct	searcharg	slotname_arg;
1510 	int			fd;
1511 	int			rv = CFGA_OK;
1512 	char			*dlpath = NULL;
1513 
1514 	if ((rv = check_options(options)) != CFGA_OK) {
1515 		return (rv);
1516 	}
1517 
1518 	if (errstring != NULL)
1519 		*errstring = NULL;
1520 
1521 	(void) memset(&slot_info, 0, sizeof (hpc_slot_info_t));
1522 
1523 	DBG(1, ("cfga_list_ext:(%s)\n", ap_id));
1524 
1525 	if (cs == NULL || nlist == NULL) {
1526 		rv = CFGA_ERROR;
1527 		return (rv);
1528 	}
1529 
1530 	*nlist = 1;
1531 
1532 	if ((*cs = malloc(sizeof (cfga_list_data_t))) == NULL) {
1533 		cfga_err(errstring, "malloc ", 0);
1534 		DBG(1, ("malloc failed\n"));
1535 		rv = CFGA_ERROR;
1536 		return (rv);
1537 	}
1538 	(void) memset(*cs, 0, sizeof (cfga_list_data_t));
1539 
1540 	if ((dcp = devctl_ap_acquire((char *)ap_id, 0)) == NULL) {
1541 		cfga_err(errstring, CMD_GETSTAT, 0);
1542 		DBG(2, ("cfga_list_ext::(devctl_ap_acquire())\n"));
1543 		rv = CFGA_ERROR;
1544 		return (rv);
1545 	}
1546 
1547 	if (devctl_ap_getstate(dcp, NULL, &state) == -1) {
1548 		cfga_err(errstring, ERR_AP_ERR, ap_id, 0);
1549 		devctl_release((devctl_hdl_t)dcp);
1550 		DBG(2, ("cfga_list_ext::(devctl_ap_getstate())\n"));
1551 		rv = CFGA_ERROR;
1552 		return (rv);
1553 	}
1554 
1555 	switch (state.ap_rstate) {
1556 		case AP_RSTATE_EMPTY:
1557 			(*cs)->ap_r_state = CFGA_STAT_EMPTY;
1558 			DBG(2, ("ap_rstate = CFGA_STAT_EMPTY\n"));
1559 			break;
1560 		case AP_RSTATE_DISCONNECTED:
1561 			(*cs)->ap_r_state = CFGA_STAT_DISCONNECTED;
1562 			DBG(2, ("ap_rstate = CFGA_STAT_DISCONNECTED\n"));
1563 			break;
1564 		case AP_RSTATE_CONNECTED:
1565 			(*cs)->ap_r_state = CFGA_STAT_CONNECTED;
1566 			DBG(2, ("ap_rstate = CFGA_STAT_CONNECTED\n"));
1567 			break;
1568 	default:
1569 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1570 		rv = CFGA_ERROR;
1571 		devctl_release((devctl_hdl_t)dcp);
1572 		return (rv);
1573 	}
1574 
1575 	switch (state.ap_ostate) {
1576 		case AP_OSTATE_CONFIGURED:
1577 			(*cs)->ap_o_state = CFGA_STAT_CONFIGURED;
1578 			DBG(2, ("ap_ostate = CFGA_STAT_CONFIGURED\n"));
1579 			break;
1580 		case AP_OSTATE_UNCONFIGURED:
1581 			(*cs)->ap_o_state = CFGA_STAT_UNCONFIGURED;
1582 			DBG(2, ("ap_ostate = CFGA_STAT_UNCONFIGURED\n"));
1583 			break;
1584 	default:
1585 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1586 		rv = CFGA_ERROR;
1587 		devctl_release((devctl_hdl_t)dcp);
1588 		return (rv);
1589 	}
1590 
1591 	switch (state.ap_condition) {
1592 		case AP_COND_OK:
1593 			(*cs)->ap_cond = CFGA_COND_OK;
1594 			DBG(2, ("ap_cond = CFGA_COND_OK\n"));
1595 			break;
1596 		case AP_COND_FAILING:
1597 			(*cs)->ap_cond = CFGA_COND_FAILING;
1598 			DBG(2, ("ap_cond = CFGA_COND_FAILING\n"));
1599 			break;
1600 		case AP_COND_FAILED:
1601 			(*cs)->ap_cond = CFGA_COND_FAILED;
1602 			DBG(2, ("ap_cond = CFGA_COND_FAILED\n"));
1603 			break;
1604 		case AP_COND_UNUSABLE:
1605 			(*cs)->ap_cond = CFGA_COND_UNUSABLE;
1606 			DBG(2, ("ap_cond = CFGA_COND_UNUSABLE\n"));
1607 			break;
1608 		case AP_COND_UNKNOWN:
1609 			(*cs)->ap_cond = CFGA_COND_UNKNOWN;
1610 			DBG(2, ("ap_cond = CFGA_COND_UNKNOW\n"));
1611 			break;
1612 	default:
1613 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1614 		rv = CFGA_ERROR;
1615 		devctl_release((devctl_hdl_t)dcp);
1616 		return (rv);
1617 	}
1618 	(*cs)->ap_busy = (int)state.ap_in_transition;
1619 
1620 	devctl_release((devctl_hdl_t)dcp);
1621 
1622 	if ((fd = open(ap_id, O_RDWR)) == -1) {
1623 		cfga_err(errstring, ERR_AP_ERR, ap_id, 0);
1624 		(*cs)->ap_status_time = 0;
1625 		boardtype = HPC_BOARD_UNKNOWN;
1626 		cardinfo.base_class = PCI_CLASS_NONE;
1627 		get_logical_name(ap_id, slot_info.pci_slot_name, 0);
1628 		DBG(2, ("open on %s failed\n", ap_id));
1629 		goto cont;
1630 	}
1631 	DBG(1, ("open = ap_id=%s, fd=%d\n", ap_id, fd));
1632 
1633 	(*cs)->ap_status_time = state.ap_last_change;
1634 
1635 	/* need board type and a way to get to hpc_slot_info */
1636 	build_control_data(&iocdata, HPC_CTRL_GET_BOARD_TYPE,
1637 	    (void *)&boardtype);
1638 
1639 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
1640 		boardtype = HPC_BOARD_UNKNOWN;
1641 	}
1642 	DBG(1, ("ioctl boardtype\n"));
1643 
1644 	build_control_data(&iocdata, HPC_CTRL_GET_SLOT_INFO,
1645 	    (void *)&slot_info);
1646 
1647 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
1648 		get_logical_name(ap_id, slot_info.pci_slot_name, 0);
1649 		DBG(1, ("ioctl failed slotinfo: %s\n",
1650 		    slot_info.pci_slot_name));
1651 	} else {
1652 
1653 		/*
1654 		 * the driver will report back things like hpc0_slot0
1655 		 * this needs to be changed to things like pci1:hpc0_slot0
1656 		 */
1657 		rv = fix_ap_name((*cs)->ap_log_id,
1658 		    ap_id, slot_info.pci_slot_name, errstring);
1659 		DBG(1, ("ioctl slotinfo: %s\n", (*cs)->ap_log_id));
1660 	}
1661 
1662 	build_control_data(&iocdata, HPC_CTRL_GET_CARD_INFO,
1663 	    (void *)&cardinfo);
1664 
1665 	if (ioctl(fd, DEVCTL_AP_CONTROL, &iocdata) == -1) {
1666 		DBG(1, ("ioctl failed\n"));
1667 		cardinfo.base_class = PCI_CLASS_NONE;
1668 	}
1669 
1670 	DBG(1, ("ioctl cardinfo: %d\n", cardinfo.base_class));
1671 	DBG(1, ("ioctl subclass: %d\n", cardinfo.sub_class));
1672 	DBG(1, ("ioctl headertype: %d\n", cardinfo.header_type));
1673 
1674 	(void) close(fd);
1675 
1676 cont:
1677 	(void) strcpy((*cs)->ap_phys_id, ap_id);    /* physical path of AP */
1678 
1679 	dlpath = findlink((*cs)->ap_phys_id);
1680 	if (dlpath != NULL) {
1681 		if (get_dli(dlpath, (*cs)->ap_info,
1682 		    sizeof ((*cs)->ap_info)) != CFGA_OK)
1683 			(*cs)->ap_info[0] = '\0';
1684 		free(dlpath);
1685 	}
1686 
1687 	if ((*cs)->ap_log_id[0] == '\0')
1688 		(void) strcpy((*cs)->ap_log_id, slot_info.pci_slot_name);
1689 
1690 	if ((*cs)->ap_info[0] == '\0') {
1691 		/* slot_names of bus node  */
1692 		if (find_physical_slot_names(ap_id, &slotname_arg) != -1)
1693 			(void) strcpy((*cs)->ap_info,
1694 			    slotname_arg.slotnames[slotname_arg.minor]);
1695 	}
1696 
1697 	/* class_code/subclass/boardtype */
1698 	get_type(boardtype, cardinfo, (*cs)->ap_type);
1699 
1700 	DBG(1, ("cfga_list_ext return success\n"));
1701 	rv = CFGA_OK;
1702 
1703 	return (rv);
1704 }
1705 
1706 /*
1707  * This routine prints a single line of help message
1708  */
1709 static void
1710 cfga_msg(struct cfga_msg *msgp, const char *str)
1711 {
1712 	DBG(2, ("<%s>", str));
1713 
1714 	if (msgp == NULL || msgp->message_routine == NULL)
1715 		return;
1716 
1717 	(*msgp->message_routine)(msgp->appdata_ptr, str);
1718 	(*msgp->message_routine)(msgp->appdata_ptr, "\n");
1719 }
1720 
1721 static cfga_err_t
1722 check_options(const char *options)
1723 {
1724 	struct cfga_msg *msgp = NULL;
1725 
1726 	if (options) {
1727 		cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_UNKNOWN]));
1728 		cfga_msg(msgp, options);
1729 		return (CFGA_INVAL);
1730 	}
1731 	return (CFGA_OK);
1732 }
1733 
1734 /*ARGSUSED*/
1735 cfga_err_t
1736 cfga_help(struct cfga_msg *msgp, const char *options, cfga_flags_t flags)
1737 {
1738 	if (options) {
1739 		cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_UNKNOWN]));
1740 		cfga_msg(msgp, options);
1741 	}
1742 	DBG(1, ("cfga_help\n"));
1743 
1744 	cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_HEADER]));
1745 	cfga_msg(msgp, cfga_strs[HELP_CONFIG]);
1746 	cfga_msg(msgp, cfga_strs[HELP_ENABLE_SLOT]);
1747 	cfga_msg(msgp, cfga_strs[HELP_DISABLE_SLOT]);
1748 	cfga_msg(msgp, cfga_strs[HELP_ENABLE_AUTOCONF]);
1749 	cfga_msg(msgp, cfga_strs[HELP_DISABLE_AUTOCONF]);
1750 	cfga_msg(msgp, cfga_strs[HELP_LED_CNTRL]);
1751 	return (CFGA_OK);
1752 }
1753 
1754 /*
1755  * cfga_err() accepts a variable number of message IDs and constructs
1756  * a corresponding error string which is returned via the errstring argument.
1757  * cfga_err() calls gettext() to internationalize proper messages.
1758  */
1759 static void
1760 cfga_err(char **errstring, ...)
1761 {
1762 	int a;
1763 	int i;
1764 	int n;
1765 	int len;
1766 	int flen;
1767 	char *p;
1768 	char *q;
1769 	char *s[32];
1770 	char *failed;
1771 	va_list ap;
1772 
1773 	/*
1774 	 * If errstring is null it means user in not interested in getting
1775 	 * error status. So we don't do all the work
1776 	 */
1777 	if (errstring == NULL) {
1778 		return;
1779 	}
1780 	va_start(ap, errstring);
1781 
1782 	failed = dgettext(TEXT_DOMAIN, cfga_strs[FAILED]);
1783 	flen = strlen(failed);
1784 
1785 	for (n = len = 0; (a = va_arg(ap, int)) != 0; n++) {
1786 		switch (a) {
1787 		case CMD_GETSTAT:
1788 		case CMD_LIST:
1789 		case CMD_SLOT_CONNECT:
1790 		case CMD_SLOT_DISCONNECT:
1791 		case CMD_SLOT_CONFIGURE:
1792 		case CMD_SLOT_UNCONFIGURE:
1793 			p =  cfga_errstrs(a);
1794 			len += (strlen(p) + flen);
1795 			s[n] = p;
1796 			s[++n] = cfga_strs[FAILED];
1797 
1798 			DBG(2, ("<%s>", p));
1799 			DBG(2, (cfga_strs[FAILED]));
1800 			break;
1801 
1802 		case ERR_CMD_INVAL:
1803 		case ERR_AP_INVAL:
1804 		case ERR_OPT_INVAL:
1805 		case ERR_AP_ERR:
1806 			switch (a) {
1807 			case ERR_CMD_INVAL:
1808 				p = dgettext(TEXT_DOMAIN,
1809 				    cfga_errstrs[ERR_CMD_INVAL]);
1810 				break;
1811 			case ERR_AP_INVAL:
1812 				p = dgettext(TEXT_DOMAIN,
1813 				    cfga_errstrs[ERR_AP_INVAL]);
1814 				break;
1815 			case ERR_OPT_INVAL:
1816 				p = dgettext(TEXT_DOMAIN,
1817 				    cfga_errstrs[ERR_OPT_INVAL]);
1818 				break;
1819 			case ERR_AP_ERR:
1820 				p = dgettext(TEXT_DOMAIN,
1821 				    cfga_errstrs[ERR_AP_ERR]);
1822 				break;
1823 			}
1824 
1825 			if ((q = va_arg(ap, char *)) != NULL) {
1826 				len += (strlen(p) + strlen(q));
1827 				s[n] = p;
1828 				s[++n] = q;
1829 				DBG(2, ("<%s>", p));
1830 				DBG(2, ("<%s>", q));
1831 				break;
1832 			} else {
1833 				len += strlen(p);
1834 				s[n] = p;
1835 
1836 			}
1837 			DBG(2, ("<%s>", p));
1838 			break;
1839 
1840 		default:
1841 			n--;
1842 			break;
1843 		}
1844 	}
1845 
1846 	DBG(2, ("\n"));
1847 	va_end(ap);
1848 
1849 	if ((p = calloc(len + 1, 1)) == NULL)
1850 		return;
1851 
1852 	for (i = 0; i < n; i++) {
1853 		(void) strlcat(p, s[i], len + 1);
1854 		DBG(2, ("i:%d, %s\n", i, s[i]));
1855 	}
1856 
1857 	*errstring = p;
1858 #ifdef	DEBUG
1859 	printf("%s\n", *errstring);
1860 	free(*errstring);
1861 #endif
1862 }
1863 
1864 /*
1865  * cfga_ap_id_cmp -- use default_ap_id_cmp() in libcfgadm
1866  */
1867