xref: /titanic_41/usr/src/lib/cfgadm_plugins/shp/common/shp.c (revision c9a6ea2e938727c95af7108c5e00eee4c890c7ae)
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 (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*
27  *	Plugin library for PCI Express and PCI (SHPC) hotplug controller
28  */
29 
30 #include <stddef.h>
31 #include <locale.h>
32 #include <ctype.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <fcntl.h>
37 #include <unistd.h>
38 #include <errno.h>
39 #include <locale.h>
40 #include <langinfo.h>
41 #include <time.h>
42 #include <sys/param.h>
43 #include <stdarg.h>
44 #include <libdevinfo.h>
45 #include <libdevice.h>
46 
47 #define	CFGA_PLUGIN_LIB
48 
49 #include <config_admin.h>
50 
51 #include <assert.h>
52 #include <sys/types.h>
53 #include <sys/stat.h>
54 #include <sys/dditypes.h>
55 #include <sys/pci.h>
56 #include <libintl.h>
57 
58 #include <dirent.h>
59 #include <limits.h>
60 #include <sys/mkdev.h>
61 #include "../../../../uts/common/sys/hotplug/pci/pcie_hp.h"
62 #include "../../../../common/pci/pci_strings.h"
63 #include <libhotplug.h>
64 
65 extern const struct pci_class_strings_s class_pci[];
66 extern int class_pci_items;
67 
68 #define	MSG_HOTPLUG_DISABLED \
69 	"Error: hotplug service is probably not running, " \
70 	"please use 'svcadm enable hotplug' to enable the service. " \
71 	"See cfgadm_shp(1M) for more details."
72 
73 #define	DEVICES_DIR		"/devices"
74 #define	SLASH			"/"
75 #define	GET_DYN(a)	(strstr((a), CFGA_DYN_SEP))
76 
77 /*
78  * Set the version number
79  */
80 int cfga_version = CFGA_HSL_V2;
81 
82 #ifdef	DEBUG
83 #define	SHP_DBG	1
84 #endif
85 
86 #if !defined(TEXT_DOMAIN)
87 #define	TEXT_DOMAIN	"SYS_TEST"
88 #endif
89 
90 /*
91  *	DEBUGING LEVEL
92  *
93  * 	External routines:  1 - 2
94  *	Internal routines:  3 - 4
95  */
96 #ifdef	SHP_DBG
97 int	shp_debug = 1;
98 #define	DBG(level, args) \
99 	{ if (shp_debug >= (level)) printf args; }
100 #define	DBG_F(level, args) \
101 	{ if (shp_debug >= (level)) fprintf args; }
102 #else
103 #define	DBG(level, args)	/* nothing */
104 #define	DBG_F(level, args)	/* nothing */
105 #endif
106 
107 #define	CMD_ACQUIRE		0
108 #define	CMD_GETSTAT		1
109 #define	CMD_LIST		2
110 #define	CMD_SLOT_CONNECT	3
111 #define	CMD_SLOT_DISCONNECT	4
112 #define	CMD_SLOT_CONFIGURE	5
113 #define	CMD_SLOT_UNCONFIGURE	6
114 #define	CMD_SLOT_INSERT		7
115 #define	CMD_SLOT_REMOVE		8
116 #define	CMD_OPEN		9
117 #define	CMD_FSTAT		10
118 #define	ERR_CMD_INVAL		11
119 #define	ERR_AP_INVAL		12
120 #define	ERR_AP_ERR		13
121 #define	ERR_OPT_INVAL		14
122 
123 static char *
124 cfga_errstrs[] = {
125 	/* n */ "acquire ",
126 	/* n */ "get-status ",
127 	/* n */ "list ",
128 	/* n */ "connect ",
129 	/* n */ "disconnect ",
130 	/* n */ "configure ",
131 	/* n */ "unconfigure ",
132 	/* n */ "insert ",
133 	/* n */ "remove ",
134 	/* n */ "open ",
135 	/* n */ "fstat ",
136 	/* y */ "invalid command ",
137 	/* y */ "invalid attachment point ",
138 	/* y */ "invalid transition ",
139 	/* y */ "invalid option ",
140 		NULL
141 };
142 
143 #define	HELP_HEADER		1
144 #define	HELP_CONFIG		2
145 #define	HELP_ENABLE_SLOT	3
146 #define	HELP_DISABLE_SLOT	4
147 #define	HELP_ENABLE_AUTOCONF	5
148 #define	HELP_DISABLE_AUTOCONF	6
149 #define	HELP_LED_CNTRL		7
150 #define	HELP_UNKNOWN		8
151 #define	SUCCESS			9
152 #define	FAILED			10
153 #define	UNKNOWN			11
154 
155 #define	MAXLINE			256
156 
157 extern int errno;
158 
159 static void cfga_err(char **errstring, ...);
160 static cfga_err_t fix_ap_name(char *ap_log_id, const char *ap_id,
161     char *slot_name, char **errstring);
162 static cfga_err_t check_options(const char *options);
163 static void cfga_msg(struct cfga_msg *msgp, const char *str);
164 static char *findlink(char *ap_phys_id);
165 
166 static char *
167 cfga_strs[] = {
168 NULL,
169 "\nPCI hotplug specific commands:",
170 "\t-c [connect|disconnect|configure|unconfigure|insert|remove] "
171 "ap_id [ap_id...]",
172 "\t-x enable_slot  ap_id [ap_id...]",
173 "\t-x disable_slot ap_id [ap_id...]",
174 "\t-x enable_autoconfig  ap_id [ap_id...]",
175 "\t-x disable_autoconfig ap_id [ap_id...]",
176 "\t-x led[=[fault|power|active|attn],mode=[on|off|blink]] ap_id [ap_id...]",
177 "\tunknown command or option: ",
178 "success   ",
179 "failed   ",
180 "unknown",
181 NULL
182 };
183 
184 #define	MAX_FORMAT 80
185 
186 #define	ENABLE_SLOT	0
187 #define	DISABLE_SLOT	1
188 #define	ENABLE_AUTOCNF	2
189 #define	DISABLE_AUTOCNF	3
190 #define	LED		4
191 #define	MODE		5
192 
193 typedef	enum { PCIEHPC_FAULT_LED, PCIEHPC_POWER_LED, PCIEHPC_ATTN_LED,
194 	PCIEHPC_ACTIVE_LED} pciehpc_led_t;
195 
196 typedef	enum { PCIEHPC_BOARD_UNKNOWN, PCIEHPC_BOARD_PCI_HOTPLUG }
197 	pciehpc_board_type_t;
198 
199 /*
200  * Board Type
201  */
202 static char *
203 board_strs[] = {
204 	/* n */ "???",	/* PCIEHPC_BOARD_UNKNOWN */
205 	/* n */ "hp",	/* PCIEHPC_BOARD_PCI_HOTPLUG */
206 	/* n */ NULL
207 };
208 
209 /*
210  * HW functions
211  */
212 static char *
213 func_strs[] = {
214 	/* n */ "enable_slot",
215 	/* n */ "disable_slot",
216 	/* n */ "enable_autoconfig",
217 	/* n */ "disable_autoconfig",
218 	/* n */ "led",
219 	/* n */ "mode",
220 	/* n */ NULL
221 };
222 
223 /*
224  * LED strings
225  */
226 static char *
227 led_strs[] = {
228 	/* n */ "fault",	/* PCIEHPC_FAULT_LED */
229 	/* n */ "power",	/* PCIEHPC_POWER_LED */
230 	/* n */ "attn",		/* PCIEHPC_ATTN_LED */
231 	/* n */ "active",	/* PCIEHPC_ACTIVE_LED */
232 	/* n */ NULL
233 };
234 
235 static char *
236 led_strs2[] = {
237 	/* n */ PCIEHPC_PROP_LED_FAULT,		/* PCIEHPC_FAULT_LED */
238 	/* n */ PCIEHPC_PROP_LED_POWER,		/* PCIEHPC_POWER_LED */
239 	/* n */ PCIEHPC_PROP_LED_ATTN,		/* PCIEHPC_ATTN_LED */
240 	/* n */ PCIEHPC_PROP_LED_ACTIVE,	/* PCIEHPC_ACTIVE_LED */
241 	/* n */ NULL
242 };
243 
244 #define	FAULT	0
245 #define	POWER	1
246 #define	ATTN	2
247 #define	ACTIVE	3
248 
249 static char *
250 mode_strs[] = {
251 	/* n */ "off",		/* OFF */
252 	/* n */ "on",		/* ON */
253 	/* n */ "blink",	/* BLINK */
254 	/* n */	NULL
255 };
256 
257 #define	OFF	0
258 #define	ON	1
259 #define	BLINK	2
260 
261 #define	cfga_errstrs(i)		cfga_errstrs[(i)]
262 
263 #define	cfga_eid(a, b)		(((a) << 8) + (b))
264 #define	MAXDEVS			32
265 
266 typedef enum {
267 	SOLARIS_SLT_NAME,
268 	PROM_SLT_NAME
269 } slt_name_src_t;
270 
271 struct searcharg {
272 	char	*devpath;
273 	char	slotnames[MAXDEVS][MAXNAMELEN];
274 	int	minor;
275 	di_prom_handle_t	promp;
276 	slt_name_src_t	slt_name_src;
277 };
278 
279 static void *private_check;
280 
281 /*
282  * Return the corresponding hp node for a given ap_id, it is the caller's
283  * responsibility to call hp_fini() to free the snapshot.
284  */
285 static cfga_err_t
286 physpath2node(const char *physpath, char **errstring, hp_node_t *nodep)
287 {
288 	char *rpath;
289 	char *cp;
290 	hp_node_t node;
291 	size_t len;
292 	char *errmsg;
293 
294 	if (getuid() != 0 && geteuid() != 0)
295 		return (CFGA_ERROR);
296 
297 	if ((rpath = malloc(strlen(physpath) + 1)) == NULL)
298 		return (CFGA_ERROR);
299 
300 	(void) strcpy(rpath, physpath);
301 
302 	/* Remove devices prefix (if any) */
303 	len = strlen(DEVICES_DIR);
304 	if (strncmp(rpath, DEVICES_DIR SLASH, len + strlen(SLASH)) == 0) {
305 		(void) memmove(rpath, rpath + len,
306 		    strlen(rpath + len) + 1);
307 	}
308 
309 	/* Remove dynamic component if any */
310 	if ((cp = GET_DYN(rpath)) != NULL) {
311 		*cp = '\0';
312 	}
313 
314 	/* Remove minor name (if any) */
315 	if ((cp = strrchr(rpath, ':')) == NULL) {
316 		free(rpath);
317 		return (CFGA_INVAL);
318 	}
319 
320 	*cp = '\0';
321 	cp++;
322 
323 	DBG(1, ("rpath=%s,cp=%s\n", rpath, cp));
324 	if ((node = hp_init(rpath, cp, 0)) == NULL) {
325 		if (errno == EBADF) {
326 			/* No reponse to operations on the door file. */
327 			assert(errstring != NULL);
328 			*errstring = strdup(MSG_HOTPLUG_DISABLED);
329 			free(rpath);
330 			return (CFGA_NOTSUPP);
331 		}
332 		free(rpath);
333 		return (CFGA_ERROR);
334 	}
335 
336 	free(rpath);
337 
338 	*nodep = node;
339 	return (CFGA_OK);
340 }
341 
342 typedef struct error_size_cb_arg {
343 	size_t	rsrc_width;
344 	size_t	info_width;
345 	int	cnt;
346 } error_size_cb_arg_t;
347 
348 /*
349  * Callback function for hp_traverse(), to sum up the
350  * maximum length for error message display.
351  */
352 static int
353 error_sizeup_cb(hp_node_t node, void *arg)
354 {
355 	error_size_cb_arg_t	*sizearg = (error_size_cb_arg_t *)arg;
356 	size_t 			len;
357 
358 	/* Only process USAGE nodes */
359 	if (hp_type(node) != HP_NODE_USAGE)
360 		return (HP_WALK_CONTINUE);
361 
362 	sizearg->cnt++;
363 
364 	/* size up resource name */
365 	len = strlen(hp_name(node));
366 	if (sizearg->rsrc_width < len)
367 		sizearg->rsrc_width = len;
368 
369 	/* size up usage description */
370 	len = strlen(hp_usage(node));
371 	if (sizearg->info_width < len)
372 		sizearg->info_width = len;
373 
374 	return (HP_WALK_CONTINUE);
375 }
376 
377 typedef struct error_sum_cb_arg {
378 	char **table;
379 	char *format;
380 } error_sum_cb_arg_t;
381 
382 /*
383  * Callback function for hp_traverse(), to add the error
384  * message to he table.
385  */
386 static int
387 error_sumup_cb(hp_node_t node, void *arg)
388 {
389 	error_sum_cb_arg_t *sumarg = (error_sum_cb_arg_t *)arg;
390 	char **table = sumarg->table;
391 	char *format = sumarg->format;
392 
393 	/* Only process USAGE nodes */
394 	if (hp_type(node) != HP_NODE_USAGE)
395 		return (HP_WALK_CONTINUE);
396 
397 	(void) strcat(*table, "\n");
398 	(void) sprintf(&((*table)[strlen(*table)]),
399 	    format, hp_name(node), hp_usage(node));
400 
401 	return (HP_WALK_CONTINUE);
402 }
403 
404 /*
405  * Takes an opaque rcm_info_t pointer and a character pointer, and appends
406  * the rcm_info_t data in the form of a table to the given character pointer.
407  */
408 static void
409 pci_rcm_info_table(hp_node_t node, char **table)
410 {
411 	int i;
412 	size_t w;
413 	size_t width = 0;
414 	size_t w_rsrc = 0;
415 	size_t w_info = 0;
416 	size_t table_size = 0;
417 	uint_t tuples = 0;
418 	char *rsrc;
419 	char *info;
420 	char *newtable;
421 	static char format[MAX_FORMAT];
422 	const char *infostr;
423 	error_size_cb_arg_t sizearg;
424 	error_sum_cb_arg_t sumarg;
425 
426 	/* Protect against invalid arguments */
427 	if (table == NULL)
428 		return;
429 
430 	/* Set localized table header strings */
431 	rsrc = dgettext(TEXT_DOMAIN, "Resource");
432 	info = dgettext(TEXT_DOMAIN, "Information");
433 
434 	/* A first pass, to size up the RCM information */
435 	sizearg.rsrc_width = strlen(rsrc);
436 	sizearg.info_width = strlen(info);
437 	sizearg.cnt = 0;
438 	(void) hp_traverse(node, &sizearg, error_sizeup_cb);
439 
440 	/* If nothing was sized up above, stop early */
441 	if (sizearg.cnt == 0)
442 		return;
443 
444 	w_rsrc = sizearg.rsrc_width;
445 	w_info = sizearg.info_width;
446 	tuples = sizearg.cnt;
447 
448 	/* Adjust column widths for column headings */
449 	if ((w = strlen(rsrc)) > w_rsrc)
450 		w_rsrc = w;
451 	else if ((w_rsrc - w) % 2)
452 		w_rsrc++;
453 	if ((w = strlen(info)) > w_info)
454 		w_info = w;
455 	else if ((w_info - w) % 2)
456 		w_info++;
457 
458 	/*
459 	 * Compute the total line width of each line,
460 	 * accounting for intercolumn spacing.
461 	 */
462 	width = w_info + w_rsrc + 4;
463 
464 	/* Allocate space for the table */
465 	table_size = (2 + tuples) * (width + 1) + 2;
466 	if (*table == NULL) {
467 		/* zero fill for the strcat() call below */
468 		*table = calloc(table_size, sizeof (char));
469 		if (*table == NULL)
470 			return;
471 	} else {
472 		newtable = realloc(*table, strlen(*table) + table_size);
473 		if (newtable == NULL)
474 			return;
475 		else
476 			*table = newtable;
477 	}
478 
479 	/* Place a table header into the string */
480 
481 	/* The resource header */
482 	(void) strcat(*table, "\n");
483 	w = strlen(rsrc);
484 	for (i = 0; i < ((w_rsrc - w) / 2); i++)
485 		(void) strcat(*table, " ");
486 	(void) strcat(*table, rsrc);
487 	for (i = 0; i < ((w_rsrc - w) / 2); i++)
488 		(void) strcat(*table, " ");
489 
490 	/* The information header */
491 	(void) strcat(*table, "  ");
492 	w = strlen(info);
493 	for (i = 0; i < ((w_info - w) / 2); i++)
494 		(void) strcat(*table, " ");
495 	(void) strcat(*table, info);
496 	for (i = 0; i < ((w_info - w) / 2); i++)
497 		(void) strcat(*table, " ");
498 	/* Underline the headers */
499 	(void) strcat(*table, "\n");
500 	for (i = 0; i < w_rsrc; i++)
501 		(void) strcat(*table, "-");
502 	(void) strcat(*table, "  ");
503 	for (i = 0; i < w_info; i++)
504 		(void) strcat(*table, "-");
505 
506 	/* Construct the format string */
507 	(void) snprintf(format, MAX_FORMAT, "%%-%ds  %%-%ds",
508 	    (int)w_rsrc, (int)w_info);
509 
510 	/* Add the tuples to the table string */
511 	sumarg.table = table;
512 	sumarg.format = format;
513 	(void) hp_traverse(node, &sumarg, error_sumup_cb);
514 }
515 
516 /*
517  * Figure out the target kernel state for a given cfgadm
518  * change-state operation.
519  */
520 static cfga_err_t
521 cfga_target_state(cfga_cmd_t state_change_cmd, int *state)
522 {
523 	switch (state_change_cmd) {
524 	case CFGA_CMD_CONNECT:
525 		*state = DDI_HP_CN_STATE_POWERED;
526 		break;
527 	case CFGA_CMD_DISCONNECT:
528 		*state = DDI_HP_CN_STATE_PRESENT;
529 		break;
530 	case CFGA_CMD_CONFIGURE:
531 		*state = DDI_HP_CN_STATE_ENABLED;
532 		break;
533 	case CFGA_CMD_UNCONFIGURE:
534 		*state = DDI_HP_CN_STATE_POWERED;
535 		break;
536 	default:
537 		return (CFGA_ERROR);
538 	}
539 
540 	return (CFGA_OK);
541 }
542 
543 /*
544  * Translate kernel state to cfgadm receptacle state and occupant state.
545  */
546 static cfga_err_t
547 cfga_get_state(hp_node_t connector, ap_rstate_t *rs, ap_ostate_t *os)
548 {
549 	int state;
550 	hp_node_t port;
551 
552 	state = hp_state(connector);
553 
554 	/* Receptacle state */
555 	switch (state) {
556 	case DDI_HP_CN_STATE_EMPTY:
557 		*rs = AP_RSTATE_EMPTY;
558 		break;
559 	case DDI_HP_CN_STATE_PRESENT:
560 		*rs = AP_RSTATE_DISCONNECTED;
561 		break;
562 	case DDI_HP_CN_STATE_POWERED:
563 	case DDI_HP_CN_STATE_ENABLED:
564 		*rs = AP_RSTATE_CONNECTED;
565 		break;
566 		/*
567 		 * Connector state can only be one of
568 		 * Empty, Present, Powered, Enabled.
569 		 */
570 	default:
571 		return (CFGA_ERROR);
572 	}
573 
574 	/*
575 	 * Occupant state
576 	 */
577 	port = hp_child(connector);
578 	while (port != NULL) {
579 		DBG(1, ("cfga_get_state:(%x)\n", hp_state(port)));
580 
581 		/*
582 		 * Mark occupant state as "configured" if at least one of the
583 		 * associated ports is at state "offline" or above. Driver
584 		 * attach ("online" state) is not necessary here.
585 		 */
586 		if (hp_state(port) >= DDI_HP_CN_STATE_OFFLINE)
587 			break;
588 
589 		port = hp_sibling(port);
590 	}
591 
592 	if (port != NULL)
593 		*os = AP_OSTATE_CONFIGURED;
594 	else
595 		*os = AP_OSTATE_UNCONFIGURED;
596 
597 	return (CFGA_OK);
598 }
599 
600 /*
601  * Transitional Diagram:
602  *
603  *  empty		unconfigure
604  * (remove)	^|  (physically insert card)
605  *			|V
606  * disconnect	configure
607  * "-c DISCONNECT"	^|	"-c CONNECT"
608  *				|V	"-c CONFIGURE"
609  * connect	unconfigure	->	connect    configure
610  *						<-
611  *					"-c UNCONFIGURE"
612  *
613  */
614 /*ARGSUSED*/
615 cfga_err_t
616 cfga_change_state(cfga_cmd_t state_change_cmd, const char *ap_id,
617     const char *options, struct cfga_confirm *confp,
618     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
619 {
620 	int		rv, state, new_state;
621 	uint_t		hpflags = 0;
622 	hp_node_t	node;
623 	hp_node_t	results = NULL;
624 
625 	if ((rv = check_options(options)) != CFGA_OK) {
626 		return (rv);
627 	}
628 
629 	if (errstring != NULL)
630 		*errstring = NULL;
631 
632 	rv = CFGA_OK;
633 	DBG(1, ("cfga_change_state:(%s)\n", ap_id));
634 
635 	rv = physpath2node(ap_id, errstring, &node);
636 	if (rv != CFGA_OK)
637 		return (rv);
638 
639 	/*
640 	 * Check for the FORCE flag.  It is only used
641 	 * for DISCONNECT or UNCONFIGURE state changes.
642 	 */
643 	if (flags & CFGA_FLAG_FORCE)
644 		hpflags |= HPFORCE;
645 
646 	state = hp_state(node);
647 
648 	/*
649 	 * Which state should we drive to ?
650 	 */
651 	if ((state_change_cmd != CFGA_CMD_LOAD) &&
652 	    (state_change_cmd != CFGA_CMD_UNLOAD)) {
653 		if (cfga_target_state(state_change_cmd,
654 		    &new_state) != CFGA_OK) {
655 			hp_fini(node);
656 			return (CFGA_ERROR);
657 		}
658 	}
659 
660 	DBG(1, ("cfga_change_state: state is %d\n", state));
661 	switch (state_change_cmd) {
662 	case CFGA_CMD_CONNECT:
663 		DBG(1, ("connect\n"));
664 		if (state == DDI_HP_CN_STATE_EMPTY) {
665 			cfga_err(errstring, ERR_AP_ERR, 0);
666 			rv = CFGA_INVAL;
667 		} else if (state == DDI_HP_CN_STATE_PRESENT) {
668 			/* Connect the slot */
669 			if (hp_set_state(node, 0, new_state, &results) != 0) {
670 				rv = CFGA_ERROR;
671 				cfga_err(errstring, CMD_SLOT_CONNECT, 0);
672 			}
673 		}
674 		break;
675 
676 	case CFGA_CMD_DISCONNECT:
677 		DBG(1, ("disconnect\n"));
678 		if (state == DDI_HP_CN_STATE_EMPTY) {
679 			cfga_err(errstring, ERR_AP_ERR, 0);
680 			rv = CFGA_INVAL;
681 		} else if (state > DDI_HP_CN_STATE_PRESENT) {
682 			/* Disconnect the slot */
683 			rv = hp_set_state(node, hpflags, new_state, &results);
684 			if (rv != 0) {
685 				if (rv == EBUSY)
686 					rv = CFGA_BUSY;
687 				else
688 					rv = CFGA_ERROR;
689 
690 				if (results) {
691 					pci_rcm_info_table(results, errstring);
692 					hp_fini(results);
693 				} else {
694 					cfga_err(errstring,
695 					    CMD_SLOT_DISCONNECT, 0);
696 				}
697 			}
698 		}
699 		break;
700 
701 	case CFGA_CMD_CONFIGURE:
702 		/*
703 		 * for multi-func device we allow multiple
704 		 * configure on the same slot because one
705 		 * func can be configured and other one won't
706 		 */
707 		DBG(1, ("configure\n"));
708 		if (state == DDI_HP_CN_STATE_EMPTY) {
709 			cfga_err(errstring, ERR_AP_ERR, 0);
710 			rv = CFGA_INVAL;
711 		} else if (hp_set_state(node, 0, new_state, &results) != 0) {
712 			rv = CFGA_ERROR;
713 			cfga_err(errstring, CMD_SLOT_CONFIGURE, 0);
714 		}
715 		break;
716 
717 	case CFGA_CMD_UNCONFIGURE:
718 		DBG(1, ("unconfigure\n"));
719 		if (state == DDI_HP_CN_STATE_EMPTY) {
720 			cfga_err(errstring, ERR_AP_ERR, 0);
721 			rv = CFGA_INVAL;
722 		} else if (state >= DDI_HP_CN_STATE_ENABLED) {
723 			rv = hp_set_state(node, hpflags, new_state, &results);
724 			if (rv != 0) {
725 				if (rv == EBUSY)
726 					rv = CFGA_BUSY;
727 				else
728 					rv = CFGA_ERROR;
729 
730 				if (results) {
731 					pci_rcm_info_table(results, errstring);
732 					hp_fini(results);
733 				} else {
734 					cfga_err(errstring,
735 					    CMD_SLOT_UNCONFIGURE, 0);
736 				}
737 			}
738 		}
739 		DBG(1, ("unconfigure rv:(%i)\n", rv));
740 		break;
741 
742 	case CFGA_CMD_LOAD:
743 		/* do nothing, just produce error msg as is */
744 		if (state < DDI_HP_CN_STATE_POWERED) {
745 			rv = CFGA_ERROR;
746 			cfga_err(errstring, CMD_SLOT_INSERT, 0);
747 		} else {
748 			cfga_err(errstring, ERR_AP_ERR, 0);
749 			rv = CFGA_INVAL;
750 		}
751 		break;
752 
753 	case CFGA_CMD_UNLOAD:
754 		/* do nothing, just produce error msg as is */
755 		if (state < DDI_HP_CN_STATE_POWERED) {
756 			rv = CFGA_ERROR;
757 			cfga_err(errstring, CMD_SLOT_REMOVE, 0);
758 		} else {
759 			cfga_err(errstring, ERR_AP_ERR, 0);
760 			rv = CFGA_INVAL;
761 		}
762 		break;
763 
764 	default:
765 		rv = CFGA_OPNOTSUPP;
766 		break;
767 	}
768 
769 	hp_fini(node);
770 	return (rv);
771 }
772 
773 char *
774 get_val_from_result(char *result)
775 {
776 	char *tmp;
777 
778 	tmp = strchr(result, '=');
779 	if (tmp == NULL)
780 		return (NULL);
781 
782 	tmp++;
783 	return (tmp);
784 }
785 
786 static cfga_err_t
787 prt_led_mode(const char *ap_id, int repeat, char **errstring,
788     struct cfga_msg *msgp)
789 {
790 	pciehpc_led_t led;
791 	hp_node_t node;
792 	char *buff;
793 	char *buf;
794 	char *cp, line[MAXLINE];
795 	char *tmp;
796 	char *format;
797 	char *result;
798 	int i, n, rv;
799 	int len = MAXLINE;
800 
801 	pciehpc_led_t states[] = {
802 		PCIEHPC_POWER_LED,
803 		PCIEHPC_FAULT_LED,
804 		PCIEHPC_ATTN_LED,
805 		PCIEHPC_ACTIVE_LED
806 	};
807 
808 	DBG(1, ("prt_led_mod function\n"));
809 	if (!repeat)
810 		cfga_msg(msgp, "Ap_Id\t\t\tLed");
811 
812 	rv = physpath2node(ap_id, errstring, &node);
813 	if (rv != CFGA_OK)
814 		return (rv);
815 
816 	if ((buff = malloc(MAXPATHLEN)) == NULL) {
817 		hp_fini(node);
818 		cfga_err(errstring, "malloc ", 0);
819 		return (CFGA_ERROR);
820 	}
821 
822 	(void) memset(buff, 0, MAXPATHLEN);
823 
824 	if (fix_ap_name(buff, ap_id, hp_name(node),
825 	    errstring) != CFGA_OK) {
826 		hp_fini(node);
827 		free(buff);
828 		return (CFGA_ERROR);
829 	}
830 
831 	cp = line;
832 	(void) snprintf(cp, len, "%s\t\t", buff);
833 	len -= strlen(cp);
834 	cp += strlen(cp);
835 
836 	free(buff);
837 
838 	n = sizeof (states)/sizeof (pciehpc_led_t);
839 	for (i = 0; i < n; i++) {
840 		led = states[i];
841 
842 		format = (i == n - 1) ? "%s=%s" : "%s=%s,";
843 		if (hp_get_private(node, led_strs2[led], &result) != 0) {
844 			(void) snprintf(cp, len, format,
845 			    led_strs[led], cfga_strs[UNKNOWN]);
846 			len -= strlen(cp);
847 			cp += strlen(cp);
848 			DBG(1, ("%s:%s\n", led_strs[led], cfga_strs[UNKNOWN]));
849 		} else {
850 			/*
851 			 * hp_get_private() will return back things like
852 			 * "led_fault=off", transform it to cfgadm desired
853 			 * format.
854 			 */
855 			tmp = get_val_from_result(result);
856 			if (tmp == NULL) {
857 				free(result);
858 				hp_fini(node);
859 				return (CFGA_ERROR);
860 			}
861 
862 			(void) snprintf(cp, len, format,
863 			    led_strs[led], tmp);
864 			len -= strlen(cp);
865 			cp += strlen(cp);
866 			DBG(1, ("%s:%s\n", led_strs[led], tmp));
867 			free(result);
868 		}
869 	}
870 
871 	cfga_msg(msgp, line);	/* print the message */
872 
873 	hp_fini(node);
874 
875 	return (CFGA_OK);
876 }
877 
878 /*ARGSUSED*/
879 cfga_err_t
880 cfga_private_func(const char *function, const char *ap_id,
881     const char *options, struct cfga_confirm *confp,
882     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
883 {
884 	char *str;
885 	int   len, fd, i = 0, repeat = 0;
886 	char buf[MAXNAMELEN];
887 	char ptr;
888 	cfga_err_t rv;
889 	char *led, *mode;
890 	hp_node_t node;
891 	char *result;
892 
893 	DBG(1, ("cfgadm_private_func: ap_id:%s\n", ap_id));
894 	DBG(2, ("  options: %s\n", (options == NULL)?"null":options));
895 	DBG(2, ("  confp: %x\n", confp));
896 	DBG(2, ("  cfga_msg: %x\n", cfga_msg));
897 	DBG(2, ("  flag: %d\n", flags));
898 
899 	if ((rv = check_options(options)) != CFGA_OK) {
900 		return (rv);
901 	}
902 
903 	if (private_check == confp)
904 		repeat = 1;
905 	else
906 		private_check = (void*)confp;
907 
908 	for (i = 0, str = func_strs[i], len = strlen(str);
909 	    func_strs[i] != NULL; i++) {
910 		str = func_strs[i];
911 		len = strlen(str);
912 		if (strncmp(function, str, len) == 0)
913 			break;
914 	}
915 
916 	switch (i) {
917 		case ENABLE_SLOT:
918 		case DISABLE_SLOT:
919 			/* pass through */
920 		case ENABLE_AUTOCNF:
921 		case DISABLE_AUTOCNF:
922 			/* no action needed */
923 			return (CFGA_OK);
924 			break;
925 		case LED:
926 			/* set mode */
927 			ptr = function[len++];
928 			if (ptr == '=') {
929 				str = (char *)function;
930 				for (str = (str+len++), i = 0; *str != ',';
931 				    i++, str++) {
932 					if (i == (MAXNAMELEN - 1))
933 						break;
934 
935 					buf[i] = *str;
936 					DBG_F(2, (stdout, "%c\n", buf[i]));
937 				}
938 				buf[i] = '\0'; str++;
939 				DBG(2, ("buf = %s\n", buf));
940 
941 				/* ACTIVE=3,ATTN=2,POWER=1,FAULT=0 */
942 				if (strcmp(buf, led_strs[POWER]) == 0)
943 					led = PCIEHPC_PROP_LED_POWER;
944 				else if (strcmp(buf, led_strs[FAULT]) == 0)
945 					led = PCIEHPC_PROP_LED_FAULT;
946 				else if (strcmp(buf, led_strs[ATTN]) == 0)
947 					led = PCIEHPC_PROP_LED_ATTN;
948 				else if (strcmp(buf, led_strs[ACTIVE]) == 0)
949 					led = PCIEHPC_PROP_LED_ACTIVE;
950 				else return (CFGA_INVAL);
951 
952 				len = strlen(func_strs[MODE]);
953 				if ((strncmp(str, func_strs[MODE], len) == 0) &&
954 				    (*(str+(len)) == '=')) {
955 					for (str = (str+(++len)), i = 0;
956 					    *str != NULL; i++, str++) {
957 						buf[i] = *str;
958 					}
959 				}
960 				buf[i] = '\0';
961 				DBG(2, ("buf_mode= %s\n", buf));
962 
963 				/* ON = 1, OFF = 0 */
964 				if (strcmp(buf, mode_strs[ON]) == 0)
965 					mode = PCIEHPC_PROP_VALUE_ON;
966 				else if (strcmp(buf, mode_strs[OFF]) == 0)
967 					mode = PCIEHPC_PROP_VALUE_OFF;
968 				else if (strcmp(buf, mode_strs[BLINK]) == 0)
969 					mode = PCIEHPC_PROP_VALUE_BLINK;
970 				else return (CFGA_INVAL);
971 
972 				/* sendin  */
973 				memset(buf, 0, sizeof (buf));
974 				snprintf(buf, sizeof (buf), "%s=%s",
975 				    led, mode);
976 				buf[MAXNAMELEN - 1] = '\0';
977 
978 				break;
979 			} else if (ptr == '\0') {
980 				/* print mode */
981 				DBG(1, ("Print mode\n"));
982 				return (prt_led_mode(ap_id, repeat, errstring,
983 				    msgp));
984 			}
985 		default:
986 			DBG(1, ("default\n"));
987 			errno = EINVAL;
988 			return (CFGA_INVAL);
989 	}
990 
991 	rv = physpath2node(ap_id, errstring, &node);
992 	if (rv != CFGA_OK)
993 		return (rv);
994 
995 	if (hp_set_private(node, buf, &result) != 0) {
996 		hp_fini(node);
997 		return (CFGA_ERROR);
998 	}
999 
1000 	hp_fini(node);
1001 	return (CFGA_OK);
1002 }
1003 
1004 /*ARGSUSED*/
1005 cfga_err_t cfga_test(const char *ap_id, const char *options,
1006     struct cfga_msg *msgp, char **errstring, cfga_flags_t flags)
1007 {
1008 	cfga_err_t rv;
1009 	if (errstring != NULL)
1010 		*errstring = NULL;
1011 
1012 	if ((rv = check_options(options)) != CFGA_OK) {
1013 		return (rv);
1014 	}
1015 
1016 	DBG(1, ("cfga_test:(%s)\n", ap_id));
1017 	/* will need to implement pci CTRL command */
1018 	return (CFGA_NOTSUPP);
1019 }
1020 
1021 /*
1022  * The slot-names property describes the external labeling of add-in slots.
1023  * This property is an encoded array, an integer followed by a list of
1024  * strings. The return value from di_prop_lookup_ints for slot-names is -1.
1025  * The expected return value should be the number of elements.
1026  * Di_prop_decode_common does not decode encoded data from software,
1027  * such as the solaris device tree, unlike from the prom.
1028  * Di_prop_decode_common takes the size of the encoded data and mods
1029  * it with the size of int. The size of the encoded data for slot-names is 9
1030  * and the size of int is 4, yielding a non zero result. A value of -1 is used
1031  * to indicate that the number of elements can not be determined.
1032  * Di_prop_decode_common can be modified to decode encoded data from the solaris
1033  * device tree.
1034  */
1035 static int
1036 fixup_slotname(int rval, int *intp, struct searcharg *slotarg)
1037 {
1038 	if ((slotarg->slt_name_src == PROM_SLT_NAME) && (rval == -1)) {
1039 		return (DI_WALK_TERMINATE);
1040 	} else {
1041 		int i;
1042 		char *tmptr = (char *)(intp+1);
1043 		DBG(1, ("slot-bitmask: %x \n", *intp));
1044 
1045 		rval = (rval -1) * 4;
1046 
1047 		for (i = 0; i <= slotarg->minor; i++) {
1048 			DBG(2, ("curr slot-name: %s \n", tmptr));
1049 
1050 			if (i >= MAXDEVS)
1051 				return (DI_WALK_TERMINATE);
1052 
1053 			if ((*intp >> i) & 1) {
1054 				/* assign tmptr */
1055 				DBG(2, ("slot-name: %s \n", tmptr));
1056 				if (i == slotarg->minor)
1057 					(void) strcpy(slotarg->slotnames[i],
1058 					    tmptr);
1059 				/* wind tmptr to next \0 */
1060 				while (*tmptr != '\0') {
1061 					tmptr++;
1062 				}
1063 				tmptr++;
1064 			} else {
1065 				/* point at unknown string */
1066 				if (i == slotarg->minor)
1067 					(void) strcpy(slotarg->slotnames[i],
1068 					    "unknown");
1069 			}
1070 		}
1071 	}
1072 	return (DI_WALK_TERMINATE);
1073 }
1074 
1075 static int
1076 find_slotname(di_node_t din, di_minor_t dim, void *arg)
1077 {
1078 	struct searcharg *slotarg = (struct searcharg *)arg;
1079 	di_prom_handle_t ph = (di_prom_handle_t)slotarg->promp;
1080 	di_prom_prop_t	prom_prop;
1081 	di_prop_t	solaris_prop;
1082 	int *intp, rval;
1083 	char *devname;
1084 	char fulldevname[MAXNAMELEN];
1085 
1086 	slotarg->minor = dim->dev_minor % 256;
1087 
1088 	DBG(2, ("minor number:(%i)\n", slotarg->minor));
1089 	DBG(2, ("hot plug slots found so far:(%i)\n", 0));
1090 
1091 	if ((devname = di_devfs_path(din)) != NULL) {
1092 		(void) snprintf(fulldevname, MAXNAMELEN,
1093 		    "/devices%s:%s", devname, di_minor_name(dim));
1094 		di_devfs_path_free(devname);
1095 	}
1096 
1097 	if (strcmp(fulldevname, slotarg->devpath) == 0) {
1098 
1099 		/*
1100 		 * Check the Solaris device tree first
1101 		 * in the case of a DR operation
1102 		 */
1103 		solaris_prop = di_prop_hw_next(din, DI_PROP_NIL);
1104 		while (solaris_prop != DI_PROP_NIL) {
1105 			if (strcmp("slot-names", di_prop_name(solaris_prop))
1106 			    == 0) {
1107 				rval = di_prop_lookup_ints(DDI_DEV_T_ANY,
1108 				    din, di_prop_name(solaris_prop), &intp);
1109 				slotarg->slt_name_src = SOLARIS_SLT_NAME;
1110 
1111 				return (fixup_slotname(rval, intp, slotarg));
1112 			}
1113 			solaris_prop = di_prop_hw_next(din, solaris_prop);
1114 		}
1115 
1116 		/*
1117 		 * Check the prom device tree which is populated at boot.
1118 		 * If this fails, give up and set the slot name to null.
1119 		 */
1120 		prom_prop = di_prom_prop_next(ph, din, DI_PROM_PROP_NIL);
1121 		while (prom_prop != DI_PROM_PROP_NIL) {
1122 			if (strcmp("slot-names", di_prom_prop_name(prom_prop))
1123 			    == 0) {
1124 				rval = di_prom_prop_lookup_ints(ph,
1125 				    din, di_prom_prop_name(prom_prop), &intp);
1126 				slotarg->slt_name_src = PROM_SLT_NAME;
1127 
1128 				return (fixup_slotname(rval, intp, slotarg));
1129 			}
1130 			prom_prop = di_prom_prop_next(ph, din, prom_prop);
1131 		}
1132 		*slotarg->slotnames[slotarg->minor] = '\0';
1133 		return (DI_WALK_TERMINATE);
1134 	} else
1135 		return (DI_WALK_CONTINUE);
1136 }
1137 
1138 static int
1139 find_physical_slot_names(const char *devcomp, struct searcharg *slotarg)
1140 {
1141 	di_node_t root_node;
1142 
1143 	DBG(1, ("find_physical_slot_names\n"));
1144 
1145 	if ((root_node = di_init("/", DINFOCPYALL|DINFOPATH))
1146 	    == DI_NODE_NIL) {
1147 		DBG(1, ("di_init() failed\n"));
1148 		return (-1);
1149 	}
1150 
1151 	slotarg->devpath = (char *)devcomp;
1152 
1153 	if ((slotarg->promp = di_prom_init()) == DI_PROM_HANDLE_NIL) {
1154 		DBG(1, ("di_prom_init() failed\n"));
1155 		di_fini(root_node);
1156 		return (-1);
1157 	}
1158 
1159 	(void) di_walk_minor(root_node, "ddi_ctl:attachment_point:pci",
1160 	    0, (void *)slotarg, find_slotname);
1161 
1162 	di_prom_fini(slotarg->promp);
1163 	di_fini(root_node);
1164 	if (slotarg->slotnames[0] != NULL)
1165 		return (0);
1166 	else
1167 		return (-1);
1168 }
1169 
1170 static void
1171 get_type(const char *boardtype, const char *cardtype, char *buf)
1172 {
1173 /* for type string assembly in get_type() */
1174 #define	TPCT(s)	(void) strlcat(buf, (s), CFGA_TYPE_LEN)
1175 
1176 	int i;
1177 
1178 	if (strcmp(cardtype, "unknown") == 0) {
1179 		TPCT("unknown");
1180 		return;
1181 	}
1182 
1183 	TPCT(cardtype);
1184 	TPCT("/");
1185 
1186 	if (strcmp(boardtype, PCIEHPC_PROP_VALUE_PCIHOTPLUG) == 0)
1187 		TPCT(board_strs[PCIEHPC_BOARD_PCI_HOTPLUG]);
1188 	else
1189 		TPCT(board_strs[PCIEHPC_BOARD_UNKNOWN]);
1190 }
1191 
1192 /*
1193  * call-back function for di_devlink_walk
1194  * if the link lives in /dev/cfg copy its name
1195  */
1196 static int
1197 found_devlink(di_devlink_t link, void *ap_log_id)
1198 {
1199 	if (strncmp("/dev/cfg/", di_devlink_path(link), 9) == 0) {
1200 		/* copy everything but /dev/cfg/ */
1201 		(void) strcpy((char *)ap_log_id, di_devlink_path(link) + 9);
1202 		DBG(1, ("found_devlink: %s\n", (char *)ap_log_id));
1203 		return (DI_WALK_TERMINATE);
1204 	}
1205 	return (DI_WALK_CONTINUE);
1206 }
1207 
1208 /*
1209  * Walk throught the cached /dev link tree looking for links to the ap
1210  * if none are found return an error
1211  */
1212 static cfga_err_t
1213 check_devlinks(char *ap_log_id, const char *ap_id)
1214 {
1215 	di_devlink_handle_t hdl;
1216 
1217 	DBG(1, ("check_devlinks: %s\n", ap_id));
1218 
1219 	hdl = di_devlink_init(NULL, 0);
1220 
1221 	if (strncmp("/devices/", ap_id, 9) == 0) {
1222 		/* ap_id is a valid minor_path with /devices prepended */
1223 		(void) di_devlink_walk(hdl, NULL, ap_id + 8, DI_PRIMARY_LINK,
1224 		    (void *)ap_log_id, found_devlink);
1225 	} else {
1226 		DBG(1, ("check_devlinks: invalid ap_id: %s\n", ap_id));
1227 		return (CFGA_ERROR);
1228 	}
1229 
1230 	(void) di_devlink_fini(&hdl);
1231 
1232 	if (ap_log_id[0] != '\0')
1233 		return (CFGA_OK);
1234 	else
1235 		return (CFGA_ERROR);
1236 }
1237 
1238 /*
1239  * most of this is needed to compensate for
1240  * differences between various platforms
1241  */
1242 static cfga_err_t
1243 fix_ap_name(char *ap_log_id, const char *ap_id, char *slot_name,
1244     char **errstring)
1245 {
1246 	char *buf;
1247 	char *tmp;
1248 	char *ptr;
1249 
1250 	di_node_t ap_node;
1251 
1252 	ap_log_id[0] = '\0';
1253 
1254 	if (check_devlinks(ap_log_id, ap_id) == CFGA_OK)
1255 		return (CFGA_OK);
1256 
1257 	DBG(1, ("fix_ap_name: %s\n", ap_id));
1258 
1259 	if ((buf = malloc(strlen(ap_id) + 1)) == NULL) {
1260 		DBG(1, ("malloc failed\n"));
1261 		return (CFGA_ERROR);
1262 	}
1263 	(void) strcpy(buf, ap_id);
1264 	tmp = buf + sizeof ("/devices") - 1;
1265 
1266 	ptr = strchr(tmp, ':');
1267 	ptr[0] = '\0';
1268 
1269 	DBG(1, ("fix_ap_name: %s\n", tmp));
1270 
1271 	ap_node = di_init(tmp, DINFOMINOR);
1272 	if (ap_node == DI_NODE_NIL) {
1273 		cfga_err(errstring, "di_init ", 0);
1274 		DBG(1, ("fix_ap_name: failed to snapshot node\n"));
1275 		return (CFGA_ERROR);
1276 	}
1277 
1278 	(void) snprintf(ap_log_id, strlen(ap_id) + 1, "%s%i:%s",
1279 	    di_driver_name(ap_node), di_instance(ap_node), slot_name);
1280 
1281 	DBG(1, ("fix_ap_name: %s\n", ap_log_id));
1282 
1283 	di_fini(ap_node);
1284 
1285 	free(buf);
1286 	return (CFGA_OK);
1287 }
1288 
1289 
1290 static int
1291 findlink_cb(di_devlink_t devlink, void *arg)
1292 {
1293 	(*(char **)arg) = strdup(di_devlink_path(devlink));
1294 
1295 	return (DI_WALK_TERMINATE);
1296 }
1297 
1298 /*
1299  * returns an allocated string containing the full path to the devlink for
1300  * <ap_phys_id> in the devlink database; we expect only one devlink per
1301  * <ap_phys_id> so we return the first encountered
1302  */
1303 static char *
1304 findlink(char *ap_phys_id)
1305 {
1306 	di_devlink_handle_t hdl;
1307 	char *path = NULL;
1308 
1309 	hdl = di_devlink_init(NULL, 0);
1310 
1311 	if (strncmp("/devices/", ap_phys_id, 9) == 0)
1312 		ap_phys_id += 8;
1313 
1314 	(void) di_devlink_walk(hdl, "^cfg/.+$", ap_phys_id, DI_PRIMARY_LINK,
1315 	    (void *)&path, findlink_cb);
1316 
1317 	(void) di_devlink_fini(&hdl);
1318 	return (path);
1319 }
1320 
1321 
1322 /*
1323  * returns CFGA_OK if it can succesfully retrieve the devlink info associated
1324  * with devlink for <ap_phys_id> which will be returned through <ap_info>
1325  */
1326 cfga_err_t
1327 get_dli(char *dlpath, char *ap_info, int ap_info_sz)
1328 {
1329 	int fd;
1330 
1331 	fd = di_dli_openr(dlpath);
1332 	if (fd < 0)
1333 		return (CFGA_ERROR);
1334 
1335 	(void) read(fd, ap_info, ap_info_sz);
1336 	ap_info[ap_info_sz - 1] = '\0';
1337 
1338 	di_dli_close(fd);
1339 	return (CFGA_OK);
1340 }
1341 
1342 static cfga_err_t
1343 cfga_get_condition(hp_node_t node, ap_condition_t *cond)
1344 {
1345 	char *condition;
1346 
1347 	/* "condition" bus specific commands */
1348 	if (hp_get_private(node, PCIEHPC_PROP_SLOT_CONDITION,
1349 	    &condition) != 0) {
1350 		*cond = AP_COND_UNKNOWN;
1351 		return (CFGA_ERROR);
1352 	}
1353 
1354 	condition = get_val_from_result(condition);
1355 
1356 	if (strcmp(condition, PCIEHPC_PROP_COND_OK) == 0)
1357 		*cond = AP_COND_OK;
1358 	else if (strcmp(condition, PCIEHPC_PROP_COND_FAILING) == 0)
1359 		*cond = AP_COND_FAILING;
1360 	else if (strcmp(condition, PCIEHPC_PROP_COND_FAILED) == 0)
1361 		*cond = AP_COND_FAILED;
1362 	else if (strcmp(condition, PCIEHPC_PROP_COND_UNUSABLE) == 0)
1363 		*cond = AP_COND_UNUSABLE;
1364 	else if (strcmp(condition, PCIEHPC_PROP_COND_UNKNOWN) == 0)
1365 		*cond = AP_COND_UNKNOWN;
1366 	else
1367 		return (CFGA_ERROR);
1368 
1369 	return (CFGA_OK);
1370 }
1371 
1372 /*ARGSUSED*/
1373 cfga_err_t
1374 cfga_list_ext(const char *ap_id, cfga_list_data_t **cs,
1375     int *nlist, const char *options, const char *listopts, char **errstring,
1376     cfga_flags_t flags)
1377 {
1378 	char			*boardtype;
1379 	char			*cardtype;
1380 	struct	searcharg	slotname_arg;
1381 	int			fd;
1382 	int			rv = CFGA_OK;
1383 	char			*dlpath = NULL;
1384 	hp_node_t		node;
1385 	ap_rstate_t		rs;
1386 	ap_ostate_t		os;
1387 	ap_condition_t		cond;
1388 
1389 	if ((rv = check_options(options)) != CFGA_OK) {
1390 		return (rv);
1391 	}
1392 
1393 	if (errstring != NULL)
1394 		*errstring = NULL;
1395 
1396 	DBG(1, ("cfga_list_ext:(%s)\n", ap_id));
1397 
1398 	if (cs == NULL || nlist == NULL) {
1399 		rv = CFGA_ERROR;
1400 		return (rv);
1401 	}
1402 
1403 	*nlist = 1;
1404 
1405 	if ((*cs = malloc(sizeof (cfga_list_data_t))) == NULL) {
1406 		cfga_err(errstring, "malloc ", 0);
1407 		DBG(1, ("malloc failed\n"));
1408 		rv = CFGA_ERROR;
1409 		return (rv);
1410 	}
1411 	(void) memset(*cs, 0, sizeof (cfga_list_data_t));
1412 
1413 	rv = physpath2node(ap_id, errstring, &node);
1414 	if (rv != CFGA_OK) {
1415 		DBG(1, ("physpath2node failed\n"));
1416 		return (rv);
1417 	}
1418 
1419 	if (cfga_get_state(node, &rs, &os) != CFGA_OK) {
1420 		DBG(1, ("cfga_get_state failed\n"));
1421 		hp_fini(node);
1422 		return (CFGA_ERROR);
1423 	}
1424 
1425 	switch (rs) {
1426 		case AP_RSTATE_EMPTY:
1427 			(*cs)->ap_r_state = CFGA_STAT_EMPTY;
1428 			DBG(2, ("ap_rstate = CFGA_STAT_EMPTY\n"));
1429 			break;
1430 		case AP_RSTATE_DISCONNECTED:
1431 			(*cs)->ap_r_state = CFGA_STAT_DISCONNECTED;
1432 			DBG(2, ("ap_rstate = CFGA_STAT_DISCONNECTED\n"));
1433 			break;
1434 		case AP_RSTATE_CONNECTED:
1435 			(*cs)->ap_r_state = CFGA_STAT_CONNECTED;
1436 			DBG(2, ("ap_rstate = CFGA_STAT_CONNECTED\n"));
1437 			break;
1438 	default:
1439 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1440 		rv = CFGA_ERROR;
1441 		hp_fini(node);
1442 		return (rv);
1443 	}
1444 
1445 	switch (os) {
1446 		case AP_OSTATE_CONFIGURED:
1447 			(*cs)->ap_o_state = CFGA_STAT_CONFIGURED;
1448 			DBG(2, ("ap_ostate = CFGA_STAT_CONFIGURED\n"));
1449 			break;
1450 		case AP_OSTATE_UNCONFIGURED:
1451 			(*cs)->ap_o_state = CFGA_STAT_UNCONFIGURED;
1452 			DBG(2, ("ap_ostate = CFGA_STAT_UNCONFIGURED\n"));
1453 			break;
1454 	default:
1455 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1456 		rv = CFGA_ERROR;
1457 		hp_fini(node);
1458 		return (rv);
1459 	}
1460 
1461 	(void) cfga_get_condition(node, &cond);
1462 
1463 	switch (cond) {
1464 		case AP_COND_OK:
1465 			(*cs)->ap_cond = CFGA_COND_OK;
1466 			DBG(2, ("ap_cond = CFGA_COND_OK\n"));
1467 			break;
1468 		case AP_COND_FAILING:
1469 			(*cs)->ap_cond = CFGA_COND_FAILING;
1470 			DBG(2, ("ap_cond = CFGA_COND_FAILING\n"));
1471 			break;
1472 		case AP_COND_FAILED:
1473 			(*cs)->ap_cond = CFGA_COND_FAILED;
1474 			DBG(2, ("ap_cond = CFGA_COND_FAILED\n"));
1475 			break;
1476 		case AP_COND_UNUSABLE:
1477 			(*cs)->ap_cond = CFGA_COND_UNUSABLE;
1478 			DBG(2, ("ap_cond = CFGA_COND_UNUSABLE\n"));
1479 			break;
1480 		case AP_COND_UNKNOWN:
1481 			(*cs)->ap_cond = CFGA_COND_UNKNOWN;
1482 			DBG(2, ("ap_cond = CFGA_COND_UNKNOW\n"));
1483 			break;
1484 	default:
1485 		cfga_err(errstring, CMD_GETSTAT, ap_id, 0);
1486 		rv = CFGA_ERROR;
1487 		hp_fini(node);
1488 		return (rv);
1489 	}
1490 	/*
1491 	 * We're not busy since the entrance into the kernel has been
1492 	 * sync'ed via libhotplug.
1493 	 */
1494 	(*cs)->ap_busy = 0;
1495 
1496 	/* last change */
1497 	(*cs)->ap_status_time = hp_last_change(node);
1498 
1499 	/* board type */
1500 	if (hp_get_private(node, PCIEHPC_PROP_BOARD_TYPE, &boardtype) != 0)
1501 		boardtype = PCIEHPC_PROP_VALUE_UNKNOWN;
1502 	else
1503 		boardtype = get_val_from_result(boardtype);
1504 
1505 	/* card type */
1506 	if (hp_get_private(node, PCIEHPC_PROP_CARD_TYPE, &cardtype) != 0)
1507 		cardtype = PCIEHPC_PROP_VALUE_UNKNOWN;
1508 	else
1509 		cardtype = get_val_from_result(cardtype);
1510 
1511 	/* logical ap_id */
1512 	rv = fix_ap_name((*cs)->ap_log_id, ap_id,
1513 	    hp_name(node), errstring);
1514 	DBG(1, ("logical id: %s\n", (*cs)->ap_log_id));
1515 	/* physical ap_id */
1516 	(void) strcpy((*cs)->ap_phys_id, ap_id);    /* physical path of AP */
1517 
1518 	/* information */
1519 	dlpath = findlink((*cs)->ap_phys_id);
1520 	if (dlpath != NULL) {
1521 		if (get_dli(dlpath, (*cs)->ap_info,
1522 		    sizeof ((*cs)->ap_info)) != CFGA_OK)
1523 			(*cs)->ap_info[0] = '\0';
1524 		free(dlpath);
1525 	}
1526 
1527 	if ((*cs)->ap_log_id[0] == '\0')
1528 		(void) strcpy((*cs)->ap_log_id, hp_name(node));
1529 
1530 	if ((*cs)->ap_info[0] == '\0') {
1531 		/* slot_names of bus node  */
1532 		if (find_physical_slot_names(ap_id, &slotname_arg) != -1)
1533 			(void) strcpy((*cs)->ap_info,
1534 			    slotname_arg.slotnames[slotname_arg.minor]);
1535 	}
1536 
1537 	/* class_code/subclass/boardtype */
1538 	get_type(boardtype, cardtype, (*cs)->ap_type);
1539 
1540 	DBG(1, ("cfga_list_ext return success\n"));
1541 	rv = CFGA_OK;
1542 
1543 	hp_fini(node);
1544 	return (rv);
1545 }
1546 
1547 /*
1548  * This routine prints a single line of help message
1549  */
1550 static void
1551 cfga_msg(struct cfga_msg *msgp, const char *str)
1552 {
1553 	DBG(2, ("<%s>", str));
1554 
1555 	if (msgp == NULL || msgp->message_routine == NULL)
1556 		return;
1557 
1558 	(*msgp->message_routine)(msgp->appdata_ptr, str);
1559 	(*msgp->message_routine)(msgp->appdata_ptr, "\n");
1560 }
1561 
1562 static cfga_err_t
1563 check_options(const char *options)
1564 {
1565 	struct cfga_msg *msgp = NULL;
1566 
1567 	if (options) {
1568 		cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_UNKNOWN]));
1569 		cfga_msg(msgp, options);
1570 		return (CFGA_INVAL);
1571 	}
1572 	return (CFGA_OK);
1573 }
1574 
1575 /*ARGSUSED*/
1576 cfga_err_t
1577 cfga_help(struct cfga_msg *msgp, const char *options, cfga_flags_t flags)
1578 {
1579 	if (options) {
1580 		cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_UNKNOWN]));
1581 		cfga_msg(msgp, options);
1582 	}
1583 	DBG(1, ("cfga_help\n"));
1584 
1585 	cfga_msg(msgp, dgettext(TEXT_DOMAIN, cfga_strs[HELP_HEADER]));
1586 	cfga_msg(msgp, cfga_strs[HELP_CONFIG]);
1587 	cfga_msg(msgp, cfga_strs[HELP_ENABLE_SLOT]);
1588 	cfga_msg(msgp, cfga_strs[HELP_DISABLE_SLOT]);
1589 	cfga_msg(msgp, cfga_strs[HELP_ENABLE_AUTOCONF]);
1590 	cfga_msg(msgp, cfga_strs[HELP_DISABLE_AUTOCONF]);
1591 	cfga_msg(msgp, cfga_strs[HELP_LED_CNTRL]);
1592 	return (CFGA_OK);
1593 }
1594 
1595 /*
1596  * cfga_err() accepts a variable number of message IDs and constructs
1597  * a corresponding error string which is returned via the errstring argument.
1598  * cfga_err() calls gettext() to internationalize proper messages.
1599  */
1600 static void
1601 cfga_err(char **errstring, ...)
1602 {
1603 	int a;
1604 	int i;
1605 	int n;
1606 	int len;
1607 	int flen;
1608 	char *p;
1609 	char *q;
1610 	char *s[32];
1611 	char *failed;
1612 	va_list ap;
1613 
1614 	/*
1615 	 * If errstring is null it means user is not interested in getting
1616 	 * error status. So we don't do all the work
1617 	 */
1618 	if (errstring == NULL) {
1619 		return;
1620 	}
1621 	va_start(ap, errstring);
1622 
1623 	failed = dgettext(TEXT_DOMAIN, cfga_strs[FAILED]);
1624 	flen = strlen(failed);
1625 
1626 	for (n = len = 0; (a = va_arg(ap, int)) != 0; n++) {
1627 		switch (a) {
1628 		case CMD_GETSTAT:
1629 		case CMD_LIST:
1630 		case CMD_SLOT_CONNECT:
1631 		case CMD_SLOT_DISCONNECT:
1632 		case CMD_SLOT_CONFIGURE:
1633 		case CMD_SLOT_UNCONFIGURE:
1634 			p =  cfga_errstrs(a);
1635 			len += (strlen(p) + flen);
1636 			s[n] = p;
1637 			s[++n] = cfga_strs[FAILED];
1638 
1639 			DBG(2, ("<%s>", p));
1640 			DBG(2, (cfga_strs[FAILED]));
1641 			break;
1642 
1643 		case ERR_CMD_INVAL:
1644 		case ERR_AP_INVAL:
1645 		case ERR_OPT_INVAL:
1646 		case ERR_AP_ERR:
1647 			switch (a) {
1648 			case ERR_CMD_INVAL:
1649 				p = dgettext(TEXT_DOMAIN,
1650 				    cfga_errstrs[ERR_CMD_INVAL]);
1651 				break;
1652 			case ERR_AP_INVAL:
1653 				p = dgettext(TEXT_DOMAIN,
1654 				    cfga_errstrs[ERR_AP_INVAL]);
1655 				break;
1656 			case ERR_OPT_INVAL:
1657 				p = dgettext(TEXT_DOMAIN,
1658 				    cfga_errstrs[ERR_OPT_INVAL]);
1659 				break;
1660 			case ERR_AP_ERR:
1661 				p = dgettext(TEXT_DOMAIN,
1662 				    cfga_errstrs[ERR_AP_ERR]);
1663 				break;
1664 			}
1665 
1666 			if ((q = va_arg(ap, char *)) != NULL) {
1667 				len += (strlen(p) + strlen(q));
1668 				s[n] = p;
1669 				s[++n] = q;
1670 				DBG(2, ("<%s>", p));
1671 				DBG(2, ("<%s>", q));
1672 				break;
1673 			} else {
1674 				len += strlen(p);
1675 				s[n] = p;
1676 
1677 			}
1678 			DBG(2, ("<%s>", p));
1679 			break;
1680 
1681 		default:
1682 			n--;
1683 			break;
1684 		}
1685 	}
1686 
1687 	DBG(2, ("\n"));
1688 	va_end(ap);
1689 
1690 	if ((p = calloc(len + 1, 1)) == NULL)
1691 		return;
1692 
1693 	for (i = 0; i < n; i++) {
1694 		(void) strlcat(p, s[i], len + 1);
1695 		DBG(2, ("i:%d, %s\n", i, s[i]));
1696 	}
1697 
1698 	*errstring = p;
1699 	DBG(2, ("%s\n", *errstring));
1700 }
1701 
1702 /*
1703  * cfga_ap_id_cmp -- use default_ap_id_cmp() in libcfgadm
1704  */
1705