1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 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 #include "cfga_usb.h"
30 
31 
32 /* function prototypes */
33 cfga_err_t		usb_err_msg(char **, cfga_usb_ret_t, const char *, int);
34 extern cfga_usb_ret_t	usb_rcm_offline(const char *, char **, char *,
35 			    cfga_flags_t);
36 extern cfga_usb_ret_t	usb_rcm_online(const char *, char **, char *,
37 			    cfga_flags_t);
38 extern cfga_usb_ret_t	usb_rcm_remove(const char *, char **, char *,
39 			    cfga_flags_t);
40 static int		usb_confirm(struct cfga_confirm *, char *);
41 static char 		*usb_get_devicepath(const char *);
42 
43 /*
44  * This file contains the entry points to the plugin as defined in the
45  * config_admin(3X) man page.
46  */
47 
48 /*
49  * Set the version number for the cfgadm library's use.
50  */
51 int cfga_version = CFGA_HSL_V2;
52 
53 #define	HELP_HEADER		1
54 #define	HELP_CONFIG		2
55 #define	HELP_RESET_SLOT		3
56 #define	HELP_CONFIG_SLOT	4
57 #define	HELP_UNKNOWN		5
58 
59 /* Help messages */
60 static char *
61 usb_help[] = {
62 NULL,
63 "USB specific commands:\n",
64 " cfgadm -c [configure|unconfigure|disconnect] ap_id [ap_id...]\n",
65 " cfgadm -x usb_reset ap_id [ap_id...]\n",
66 " cfgadm -x usb_config -o config=<index of desired configuration>  ap_id\n",
67 "\tunknown command or option: ",
68 NULL
69 };	/* End help messages */
70 
71 /* Error messages */
72 static msgcvt_t
73 usb_error_msgs[] = {
74 	/* CFGA_USB_OK	*/
75 	{ CVT, CFGA_OK, "ok" },
76 
77 	/* CFGA_USB_UNKNOWN	*/
78 	{ CVT, CFGA_LIB_ERROR, "Unknown message; internal error" },
79 
80 	/* CFGA_USB_INTERNAL_ERROR	*/
81 	{ CVT, CFGA_LIB_ERROR, "Internal error" },
82 
83 	/* CFGA_USB_OPTIONS	*/
84 	{ CVT, CFGA_ERROR, "Hardware specific options not supported" },
85 
86 	/* CFGA_USB_DYNAMIC_AP	*/
87 	{ CVT, CFGA_INVAL, "Dynamic attachment points not supported" },
88 
89 	/* CFGA_USB_AP	*/
90 	{ CVT, CFGA_APID_NOEXIST, "" },
91 
92 	/* CFGA_USB_PORT	*/
93 	{ CVT, CFGA_LIB_ERROR, "Cannot determine hub port number for " },
94 
95 	/* CFGA_USB_DEVCTL	*/
96 	{ CVT, CFGA_ERROR, "Cannot issue devctl to " },
97 
98 	/* CFGA_USB_NOT_CONNECTED	*/
99 	{ CVT, CFGA_INVAL, "No device connected to " },
100 
101 	/* CFGA_USB_NOT_CONFIGURED	*/
102 	{ CVT, CFGA_INVAL, "No device configured to " },
103 
104 	/* CFGA_USB_ALREADY_CONNECTED	*/
105 	{ CVT, CFGA_INSUFFICENT_CONDITION,
106 		"Device already connected; cannot connect again " },
107 
108 	/* CFGA_USB_ALREADY_CONFIGURED	*/
109 	{ CVT, CFGA_INVAL, "device already configured for " },
110 
111 	/* CFGA_USB_OPEN	*/
112 	{ CVT, CFGA_LIB_ERROR, "Cannot open " },
113 
114 	/* CFGA_USB_IOCTL	*/
115 	{ CVT, CFGA_ERROR, "Driver ioctl failed " },
116 
117 	/* CFGA_USB_BUSY	*/
118 	{ CVT, CFGA_SYSTEM_BUSY, "" },
119 
120 	/* CFGA_USB_ALLOC_FAIL	*/
121 	{ CVT, CFGA_LIB_ERROR, "Memory allocation failure" },
122 
123 	/* CFGA_USB_OPNOTSUPP	*/
124 	{ CVT, CFGA_OPNOTSUPP, "Operation not supported" },
125 
126 	/* CFGA_USB_DEVLINK	*/
127 	{ CVT, CFGA_LIB_ERROR, "Could not find /dev/cfg link for " },
128 
129 	/* CFGA_USB_STATE	*/
130 	{ CVT, CFGA_LIB_ERROR, "Internal error: Unrecognized ap state" },
131 
132 	/* CFGA_USB_CONFIG_INVAL	*/
133 	{ CVT, CFGA_ERROR,
134 		"Specified configuration index unrecognized or exceeds "
135 		"maximum available" },
136 
137 	/* CFGA_USB_PRIV	*/
138 	{ CVT, CFGA_PRIV, "" },
139 
140 	/* CFGA_USB_NVLIST	*/
141 	{ CVT, CFGA_ERROR, "Internal error (nvlist)" },
142 
143 	/* CFGA_USB_ZEROLEN	*/
144 	{ CVT, CFGA_ERROR, "Internal error (zerolength string)" },
145 
146 	/* CFGA_USB_CONFIG_FILE	*/
147 	{ CVT, CFGA_ERROR,
148 	"Cannot open/fstat/read USB system configuration file" },
149 
150 	/* CFGA_USB_LOCK_FILE */
151 	{ CVT, CFGA_ERROR, "Cannot lock USB system configuration file" },
152 
153 	/* CFGA_USB_UNLOCK_FILE */
154 	{ CVT, CFGA_ERROR, "Cannot unlock USB system configuration file" },
155 
156 	/* CFGA_USB_ONE_CONFIG	*/
157 	{ CVT, CFGA_ERROR,
158 	"Operation not supported for devices with one configuration" },
159 
160 	/* CFGA_USB_RCM_HANDLE Errors */
161 	{ CVT, CFGA_ERROR, "cannot get RCM handle"},
162 
163 	/* CFGA_USB_RCM_ONLINE */
164 	{ CVT, CFGA_SYSTEM_BUSY,   "failed to online: "},
165 
166 	/* CFGA_USB_RCM_OFFLINE */
167 	{ CVT, CFGA_SYSTEM_BUSY,   "failed to offline: "},
168 
169 	/* CFGA_USB_RCM_INFO */
170 	{ CVT, CFGA_ERROR,   "failed to query: "}
171 
172 };	/* End error messages */
173 
174 
175 /* ========================================================================= */
176 /*
177  * The next two funcs imported verbatim from cfgadm_scsi.
178  * physpath_to_devlink is the only func directly used by cfgadm_usb.
179  * get_link supports it.
180  */
181 
182 /*
183  * Routine to search the /dev directory or a subtree of /dev.
184  */
185 static int
186 get_link(di_devlink_t devlink, void *arg)
187 {
188 	walk_link_t *larg = (walk_link_t *)arg;
189 
190 	/*
191 	 * When path is specified, it's the node path without minor
192 	 * name. Therefore, the ../.. prefixes needs to be stripped.
193 	 */
194 	if (larg->path) {
195 		char *content = (char *)di_devlink_content(devlink);
196 		char *start = strstr(content, "/devices/");
197 
198 		/* line content must have minor node */
199 		if (start == NULL ||
200 		    strncmp(start, larg->path, larg->len) != 0 ||
201 		    start[larg->len] != ':') {
202 
203 			return (DI_WALK_CONTINUE);
204 		}
205 	}
206 
207 	*(larg->linkpp) = strdup(di_devlink_path(devlink));
208 
209 	return (DI_WALK_TERMINATE);
210 }
211 
212 
213 /* ARGSUSED */
214 static ucfga_ret_t
215 physpath_to_devlink(
216 	const char *basedir,
217 	const char *node_path,
218 	char **logpp,
219 	int *l_errnop,
220 	int match_minor)
221 {
222 	walk_link_t larg;
223 	di_devlink_handle_t hdl;
224 	char *minor_path;
225 
226 	if ((hdl = di_devlink_init(NULL, 0)) == NULL) {
227 		*l_errnop = errno;
228 		return (UCFGA_LIB_ERR);
229 	}
230 
231 	*logpp = NULL;
232 	larg.linkpp = logpp;
233 	if (match_minor) {
234 		minor_path = (char *)node_path + strlen("/devices");
235 		larg.path = NULL;
236 	} else {
237 		minor_path = NULL;
238 		larg.len = strlen(node_path);
239 		larg.path = (char *)node_path;
240 	}
241 
242 	(void) di_devlink_walk(hdl, "^cfg/", minor_path, DI_PRIMARY_LINK,
243 	    (void *)&larg, get_link);
244 
245 	di_devlink_fini(&hdl);
246 
247 	if (*logpp == NULL) {
248 		*l_errnop = errno;
249 		return (UCFGA_LIB_ERR);
250 	}
251 
252 	return (UCFGA_OK);
253 }
254 
255 
256 /* ========================================================================= */
257 /* Utilities */
258 
259 /*
260  * Given the index into a table (msgcvt_t) of messages, get the message
261  * string, converting it to the proper locale if necessary.
262  * NOTE: See cfga_usb.h
263  */
264 static const char *
265 get_msg(uint_t msg_index, msgcvt_t *msg_tbl, uint_t tbl_size)
266 {
267 	if (msg_index >= tbl_size) {
268 		DPRINTF("get_error_msg: bad error msg index: %d\n", msg_index);
269 		msg_index = CFGA_USB_UNKNOWN;
270 	}
271 
272 	return ((msg_tbl[msg_index].intl) ?
273 	    dgettext(TEXT_DOMAIN, msg_tbl[msg_index].msgstr) :
274 	    msg_tbl[msg_index].msgstr);
275 }
276 
277 
278 /*
279  * Allocates and creates a message string (in *ret_str),
280  * by concatenating all the (char *) args together, in order.
281  * Last arg MUST be NULL.
282  */
283 static void
284 set_msg(char **ret_str, ...)
285 {
286 	char	*str;
287 	size_t	total_len;
288 	va_list	valist;
289 
290 	va_start(valist, ret_str);
291 
292 	total_len = (*ret_str == NULL) ? 0 : strlen(*ret_str);
293 
294 	while ((str = va_arg(valist, char *)) != NULL) {
295 		size_t	len = strlen(str);
296 		char	*old_str = *ret_str;
297 
298 		*ret_str = (char *)realloc(*ret_str, total_len + len + 1);
299 		if (*ret_str == NULL) {
300 			/* We're screwed */
301 			free(old_str);
302 			DPRINTF("set_msg: realloc failed.\n");
303 			va_end(valist);
304 			return;
305 		}
306 
307 		strcpy(*ret_str + total_len, str);
308 		total_len += len;
309 	}
310 
311 	va_end(valist);
312 }
313 
314 
315 /*
316  * Error message handling.
317  * For the rv passed in, looks up the corresponding error message string(s),
318  * internationalized it if necessary, and concatenates it into a new
319  * memory buffer, and points *errstring to it.
320  * Note not all rvs will result in an error message return, as not all
321  * error conditions warrant a USB-specific error message.
322  *
323  * Some messages may display ap_id or errno, which is why they are passed
324  * in.
325  */
326 cfga_err_t
327 usb_err_msg(char **errstring, cfga_usb_ret_t rv, const char *ap_id, int l_errno)
328 {
329 	if (errstring == NULL) {
330 
331 		return (usb_error_msgs[rv].cfga_err);
332 	}
333 
334 	/*
335 	 * Generate the appropriate USB-specific error message(s) (if any).
336 	 */
337 	switch (rv) {
338 	case CFGA_USB_OK:
339 	/* Special case - do nothing.  */
340 		break;
341 
342 	case CFGA_USB_UNKNOWN:
343 	case CFGA_USB_DYNAMIC_AP:
344 	case CFGA_USB_INTERNAL_ERROR:
345 	case CFGA_USB_OPTIONS:
346 	case CFGA_USB_ALLOC_FAIL:
347 	case CFGA_USB_STATE:
348 	case CFGA_USB_CONFIG_INVAL:
349 	case CFGA_USB_PRIV:
350 	case CFGA_USB_OPNOTSUPP:
351 	/* These messages require no additional strings passed. */
352 		set_msg(errstring, ERR_STR(rv), NULL);
353 		break;
354 
355 	case CFGA_USB_AP:
356 	case CFGA_USB_PORT:
357 	case CFGA_USB_NOT_CONNECTED:
358 	case CFGA_USB_NOT_CONFIGURED:
359 	case CFGA_USB_ALREADY_CONNECTED:
360 	case CFGA_USB_ALREADY_CONFIGURED:
361 	case CFGA_USB_BUSY:
362 	case CFGA_USB_DEVLINK:
363 	case CFGA_USB_RCM_HANDLE:
364 	case CFGA_USB_RCM_ONLINE:
365 	case CFGA_USB_RCM_OFFLINE:
366 	case CFGA_USB_RCM_INFO:
367 	case CFGA_USB_DEVCTL:
368 	/* These messages also print ap_id.  */
369 		set_msg(errstring, ERR_STR(rv), "ap_id: ", ap_id, "", NULL);
370 		break;
371 
372 	case CFGA_USB_IOCTL:
373 	case CFGA_USB_NVLIST:
374 	case CFGA_USB_CONFIG_FILE:
375 	case CFGA_USB_ONE_CONFIG:
376 	/* These messages also print errno.  */
377 	{
378 		char *errno_str = l_errno ? strerror(l_errno) : "";
379 
380 		set_msg(errstring, ERR_STR(rv), errno_str,
381 		    l_errno ? "\n" : "", NULL);
382 		break;
383 	}
384 
385 	case CFGA_USB_OPEN:
386 	/* These messages also apid and errno.  */
387 	{
388 		char *errno_str = l_errno ? strerror(l_errno) : "";
389 
390 		set_msg(errstring, ERR_STR(rv), "ap_id: ", ap_id, "\n",
391 		    errno_str, l_errno ? "\n" : "", NULL);
392 		break;
393 	}
394 
395 	default:
396 		DPRINTF("usb_err_msg: Unrecognized message index: %d\n", rv);
397 		set_msg(errstring, ERR_STR(CFGA_USB_INTERNAL_ERROR), NULL);
398 
399 	}	/* end switch */
400 
401 	/*
402 	 * Determine the proper error code to send back to the cfgadm library.
403 	 */
404 	return (usb_error_msgs[rv].cfga_err);
405 }
406 
407 
408 /*
409  * Ensure the ap_id passed is in the correct (physical ap_id) form:
410  *     path/device:xx[.xx]+
411  * where xx is a one or two-digit number.
412  *
413  * Note the library always calls the plugin with a physical ap_id.
414  */
415 static int
416 verify_valid_apid(const char *ap_id)
417 {
418 	char	*l_ap_id;
419 
420 	if (ap_id == NULL) {
421 		return (-1);
422 	}
423 
424 	l_ap_id = strrchr(ap_id, *MINOR_SEP);
425 	l_ap_id++;
426 
427 	if (strspn(l_ap_id, "0123456789.") != strlen(l_ap_id)) {
428 		/* Bad characters in the ap_id. */
429 		return (-1);
430 	}
431 
432 	if (strstr(l_ap_id, "..") != NULL) {
433 		/* ap_id has 1..2 or more than 2 dots */
434 		return (-1);
435 	}
436 
437 	return (0);
438 }
439 
440 
441 /*
442  * Verify the params passed in are valid.
443  */
444 static cfga_usb_ret_t
445 verify_params(
446 	const char *ap_id,
447 	const char *options,
448 	char **errstring)
449 {
450 	if (errstring != NULL) {
451 		*errstring = NULL;
452 	}
453 
454 	if (options != NULL) {
455 		DPRINTF("verify_params: hardware-specific options not "
456 		    "supported.\n");
457 		return (CFGA_USB_OPTIONS);
458 	}
459 
460 	/* Dynamic attachment points not supported (yet). */
461 	if (GET_DYN(ap_id) != NULL) {
462 		DPRINTF("verify_params: dynamic ap_id passed\n");
463 		return (CFGA_USB_DYNAMIC_AP);
464 	}
465 
466 	if (verify_valid_apid(ap_id) != 0) {
467 		DPRINTF("verify_params: not a USB ap_id.\n");
468 		return (CFGA_USB_AP);
469 	}
470 
471 	return (CFGA_USB_OK);
472 }
473 
474 
475 /*
476  * Takes a validated ap_id and extracts the port number.
477  */
478 static cfga_usb_ret_t
479 get_port_num(const char *ap_id, uint_t *port)
480 {
481 	char *port_nbr_str;
482 	char *temp;
483 
484 	port_nbr_str = strrchr(ap_id, *MINOR_SEP) + strlen(MINOR_SEP);
485 	if ((temp = strrchr(ap_id, (int)*PORT_SEPERATOR)) != 0) {
486 		port_nbr_str = temp + strlen(PORT_SEPERATOR);
487 	}
488 
489 	errno = 0;
490 	*port = strtol(port_nbr_str, NULL, 10);
491 	if (errno) {
492 		DPRINTF("get_port_num: conversion of port str failed\n");
493 		return (CFGA_USB_PORT);
494 	}
495 
496 	return (CFGA_USB_OK);
497 }
498 
499 
500 /*
501  * Pair of routines to set up for/clean up after a devctl_ap_* lib call.
502  */
503 static void
504 cleanup_after_devctl_cmd(devctl_hdl_t devctl_hdl, nvlist_t *user_nvlist)
505 {
506 	if (user_nvlist != NULL) {
507 		nvlist_free(user_nvlist);
508 	}
509 	if (devctl_hdl != NULL) {
510 		devctl_release(devctl_hdl);
511 	}
512 }
513 
514 
515 static cfga_usb_ret_t
516 setup_for_devctl_cmd(const char *ap_id, devctl_hdl_t *devctl_hdl,
517     nvlist_t **user_nvlistp, uint_t oflag)
518 {
519 	uint32_t	port;
520 	cfga_usb_ret_t	rv = CFGA_USB_OK;
521 
522 	DPRINTF("setup_for_devctl_cmd: oflag=%d\n", oflag);
523 
524 	/* Get a handle to the ap */
525 	if ((*devctl_hdl = devctl_ap_acquire((char *)ap_id, oflag)) == NULL) {
526 		DPRINTF("setup_for_devctl_cmd: devctl_ap_acquire failed with "
527 		    "errno: %d\n", errno);
528 		rv = CFGA_USB_DEVCTL;
529 		goto bailout;
530 	}
531 
532 	/* Set up to pass port number down to driver */
533 	if (nvlist_alloc(user_nvlistp, NV_UNIQUE_NAME_TYPE, NULL) != 0) {
534 		DPRINTF("setup_for_devctl: nvlist_alloc failed, errno: %d\n",
535 		    errno);
536 		*user_nvlistp = NULL;	/* Prevent possible incorrect free in */
537 					/* cleanup_after_devctl_cmd */
538 		rv = CFGA_USB_NVLIST;
539 		goto bailout;
540 	}
541 
542 	if ((rv = get_port_num(ap_id, &port)) != CFGA_USB_OK) {
543 		DPRINTF("setup_for_devctl_cmd: get_port_num, errno: %d\n",
544 		    errno);
545 		goto bailout;
546 	}
547 
548 	/* creates an int32_t entry */
549 	if (nvlist_add_int32(*user_nvlistp, PORT, port) == -1) {
550 		DPRINTF("setup_for_devctl_cmd: nvlist_add_int32 failed. "
551 		    "errno: %d\n", errno);
552 		rv = CFGA_USB_NVLIST;
553 		goto bailout;
554 	}
555 
556 	return (rv);
557 
558 bailout:
559 	cleanup_after_devctl_cmd(*devctl_hdl, *user_nvlistp);
560 
561 	return (rv);
562 }
563 
564 
565 /*
566  * Ensure that there's a device actually connected to the ap
567  */
568 static cfga_usb_ret_t
569 device_configured(devctl_hdl_t hdl, nvlist_t *nvl, ap_rstate_t *rstate)
570 {
571 	cfga_usb_ret_t		rv;
572 	devctl_ap_state_t	devctl_ap_state;
573 
574 	DPRINTF("device_configured:\n");
575 	if (devctl_ap_getstate(hdl, nvl, &devctl_ap_state) == -1) {
576 		DPRINTF("devctl_ap_getstate failed, errno: %d\n", errno);
577 		return (CFGA_USB_DEVCTL);
578 	}
579 
580 	rv = CFGA_USB_ALREADY_CONFIGURED;
581 	*rstate = devctl_ap_state.ap_rstate;
582 	if (devctl_ap_state.ap_ostate != AP_OSTATE_CONFIGURED) {
583 		return (CFGA_USB_NOT_CONFIGURED);
584 	}
585 
586 	return (rv);
587 }
588 
589 
590 /*
591  * Ensure that there's a device actually connected to the ap
592  */
593 static cfga_usb_ret_t
594 device_connected(devctl_hdl_t hdl, nvlist_t *list, ap_ostate_t *ostate)
595 {
596 	cfga_usb_ret_t		rv = CFGA_USB_ALREADY_CONNECTED;
597 	devctl_ap_state_t	devctl_ap_state;
598 
599 	DPRINTF("device_connected:\n");
600 
601 	if (devctl_ap_getstate(hdl, list, &devctl_ap_state) == -1) {
602 		DPRINTF("devctl_ap_getstate failed, errno: %d\n", errno);
603 		return (CFGA_USB_DEVCTL);
604 	}
605 
606 	*ostate =  devctl_ap_state.ap_ostate;
607 	if (devctl_ap_state.ap_rstate != AP_RSTATE_CONNECTED) {
608 		return (CFGA_USB_NOT_CONNECTED);
609 	}
610 
611 	return (rv);
612 }
613 
614 
615 /*
616  * Given a subcommand to the DEVCTL_AP_CONTROL ioctl, rquest the size of
617  * the data to be returned, allocate a buffer, then get the data.
618  * Returns *descrp (which must be freed) and size.
619  *
620  * Note USB_DESCR_TYPE_STRING returns an ASCII NULL-terminated string,
621  * not a string descr.
622  */
623 cfga_usb_ret_t
624 do_control_ioctl(const char *ap_id, uint_t subcommand, uint_t arg,
625 	void **descrp, size_t *sizep)
626 {
627 	int			fd = -1;
628 	uint_t			port;
629 	uint32_t		local_size;
630 	cfga_usb_ret_t		rv = CFGA_USB_OK;
631 	struct hubd_ioctl_data	ioctl_data;
632 
633 	assert(descrp != NULL);
634 	*descrp = NULL;
635 	assert(sizep != NULL);
636 
637 	if ((rv = get_port_num(ap_id, &port)) != CFGA_USB_OK) {
638 		goto bailout;
639 	}
640 
641 	if ((fd = open(ap_id, O_RDONLY)) == -1) {
642 		DPRINTF("do_control_ioctl: open failed: errno:%d\n", errno);
643 		rv = CFGA_USB_OPEN;
644 		if (errno == EBUSY) {
645 			rv = CFGA_USB_BUSY;
646 		}
647 		goto bailout;
648 	}
649 
650 	ioctl_data.cmd = subcommand;
651 	ioctl_data.port = port;
652 	ioctl_data.misc_arg = (uint_t)arg;
653 
654 	/*
655 	 * Find out how large a buf we need to get the data.
656 	 *
657 	 * Note the ioctls only accept/return a 32-bit int for a get_size
658 	 * to avoid 32/64 and BE/LE issues.
659 	 */
660 	ioctl_data.get_size = B_TRUE;
661 	ioctl_data.buf = (caddr_t)&local_size;
662 	ioctl_data.bufsiz = sizeof (local_size);
663 
664 	if (ioctl(fd, DEVCTL_AP_CONTROL, &ioctl_data) != 0) {
665 		DPRINTF("do_control_ioctl: size ioctl failed: errno:%d\n",
666 		    errno);
667 		rv = CFGA_USB_IOCTL;
668 		goto bailout;
669 	}
670 	*sizep = local_size;
671 
672 	if (subcommand == USB_DESCR_TYPE_STRING &&
673 	    arg == HUBD_CFG_DESCR_STR && local_size == 0) {
674 		/* Zero-length data - nothing to do.  */
675 		rv = CFGA_USB_ZEROLEN;
676 		goto bailout;
677 	}
678 	if (subcommand == HUBD_REFRESH_DEVDB) {
679 		/* Already done - no data transfer; nothing left to do. */
680 		goto bailout;
681 	}
682 
683 	if ((*descrp = malloc(*sizep)) == NULL) {
684 		DPRINTF("do_control_ioctl: malloc failed\n");
685 		rv = CFGA_USB_ALLOC_FAIL;
686 		goto bailout;
687 	}
688 
689 	/* Get the data */
690 	ioctl_data.get_size = B_FALSE;
691 	ioctl_data.buf = *descrp;
692 	ioctl_data.bufsiz = *sizep;
693 
694 	if (ioctl(fd, DEVCTL_AP_CONTROL, &ioctl_data) != 0) {
695 		DPRINTF("do_control_ioctl: ioctl failed: errno:%d\n",
696 		    errno);
697 		rv = CFGA_USB_IOCTL;
698 		goto bailout;
699 	}
700 
701 	(void) close(fd);
702 
703 	return (rv);
704 
705 
706 bailout:
707 	if (fd != -1) {
708 		(void) close(fd);
709 	}
710 	if (*descrp != NULL) {
711 		free(*descrp);
712 		*descrp = NULL;
713 	}
714 
715 	if (rv == CFGA_USB_IOCTL && errno == EBUSY) {
716 		rv = CFGA_USB_BUSY;	/* Provide more useful msg */
717 	}
718 
719 	return (rv);
720 }
721 
722 
723 /* ========================================================================= */
724 /*
725  * Support funcs called directly from cfga_* entry points.
726  */
727 
728 
729 /*
730  * Invoked from cfga_private_func.
731  * Modify the USB persistant configuration file so that the device
732  * represented by ap_id will henceforth be initialized to the desired
733  * configuration setting (configuration index).
734  */
735 static cfga_usb_ret_t
736 set_configuration(const char *ap_id, uint_t config, char *driver,
737     usb_dev_descr_t *descrp, char **errstring)
738 {
739 	char		*serial_no = NULL;
740 	char		*dev_path = NULL;
741 	char		*tmp;
742 	size_t		size;
743 	cfga_usb_ret_t	rv = CFGA_USB_OK;
744 
745 	DPRINTF("set_configuration: ap_id: %s, config:%d\n", ap_id, config);
746 
747 	/* Only one bNumConfigurations, don't allow this operation */
748 	if (descrp->bNumConfigurations == 1) {
749 		DPRINTF("device supports %d configurations\n",
750 		    descrp->bNumConfigurations);
751 		rv = CFGA_USB_ONE_CONFIG;
752 		goto bailout;
753 	}
754 
755 	/* get the serial number string if it exists */
756 	if (descrp->iSerialNumber != 0) {
757 		if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_STRING,
758 		    HUBD_SERIALNO_STR, (void **)&serial_no, &size)) !=
759 		    CFGA_USB_OK) {
760 			if (rv != CFGA_USB_ZEROLEN) {
761 				DPRINTF("set_configuration: get serial "
762 				    "no string failed\n");
763 				goto bailout;
764 			}
765 		}
766 	}
767 
768 	dev_path = usb_get_devicepath(ap_id);
769 	if (dev_path == NULL) {
770 		DPRINTF("get device path failed\n");
771 		rv = CFGA_USB_DEVCTL;
772 		goto bailout;
773 	}
774 
775 	DPRINTF("calling add_entry: vid: 0x%x pid:0x%x config:0x%x,",
776 	    descrp->idVendor, descrp->idProduct, config);
777 	DPRINTF("serial_no: %s\n\tdev_path: %s\n\tdriver: %s\n", serial_no ?
778 	    serial_no : "", dev_path ? dev_path : "", driver ? driver : "");
779 
780 	/*
781 	 * the devicepath should be an absolute path.
782 	 * So, if path has leading "/devices" - nuke it.
783 	 */
784 	if (strncmp(dev_path, "/devices/", 9) == 0) {
785 		tmp = dev_path + 8;
786 	} else {
787 		tmp = dev_path;
788 	}
789 
790 	/* Save an entry in the USBCONF_FILE  */
791 	if ((rv = add_entry(
792 	    "enable",		/* Always to "enable" */
793 	    descrp->idVendor,	/* vendorId */
794 	    descrp->idProduct,	/* ProductId */
795 	    config,		/* new cfgndx */
796 	    serial_no,		/* serial no string */
797 	    tmp,		/* device path */
798 	    driver,		/* Driver (optional) */
799 	    errstring))
800 	    != CFGA_USB_OK) {
801 		DPRINTF("set_configuration: add_entry failed\n");
802 		goto bailout;
803 	}
804 
805 	/* Notify hubd that it needs to refresh its db.  */
806 	if ((rv = do_control_ioctl(ap_id, HUBD_REFRESH_DEVDB, NULL,
807 	    (void **)&dev_path, &size)) != CFGA_USB_OK) {
808 		DPRINTF("set_configuration: HUBD_REFRESH_DEVDB failed\n");
809 		goto bailout;
810 	}
811 
812 bailout:
813 	if (dev_path) {
814 		free(dev_path);
815 	}
816 	if (serial_no) {
817 		free(serial_no);
818 	}
819 
820 	return (rv);
821 }
822 
823 
824 /*
825  * Invoked from cfga_private_func() and fill_in_ap_info().
826  * Call into USBA and get the current configuration setting for this device,
827  */
828 static cfga_usb_ret_t
829 get_config(const char *ap_id, uint_t *config)
830 {
831 	size_t		size;
832 	uint_t		*config_val = NULL;
833 	cfga_usb_ret_t	rv;
834 
835 	if ((rv = do_control_ioctl(ap_id, HUBD_GET_CURRENT_CONFIG, NULL,
836 	    (void **)&config_val, &size)) != CFGA_USB_OK) {
837 		DPRINTF("get_config: get current config descr failed\n");
838 		goto bailout;
839 	}
840 	*config = *config_val;
841 
842 bailout:
843 	free(config_val);
844 	return (rv);
845 }
846 
847 
848 /*
849  * Invoked from cfga_private_func.
850  * it does an unconfigure of the device followed by a configure,
851  * thus essentially resetting the device.
852  */
853 static cfga_usb_ret_t
854 reset_device(devctl_hdl_t devctl_hdl, nvlist_t *nvl)
855 {
856 	cfga_usb_ret_t	rv;
857 
858 	DPRINTF("reset_device: \n");
859 
860 	/*
861 	 * Disconnect and reconfigure the device.
862 	 * Note this forces the new default config to take effect.
863 	 */
864 	if (devctl_ap_disconnect(devctl_hdl, nvl) != 0) {
865 		DPRINTF("devctl_ap_unconfigure failed, errno: %d\n", errno);
866 		rv = CFGA_USB_DEVCTL;
867 		if (errno == EBUSY) {
868 			rv = CFGA_USB_BUSY;	/* Provide more useful msg */
869 		}
870 
871 		return (rv);
872 	}
873 
874 	if (devctl_ap_configure(devctl_hdl, nvl) != 0) {
875 		DPRINTF(" devctl_ap_configure failed, errno = %d\n", errno);
876 		return (CFGA_USB_DEVCTL);
877 	}
878 
879 	return (CFGA_USB_OK);
880 }
881 
882 
883 /*
884  * Called from cfga_list_ext.
885  * Fills in the 'misc_info' field in the cfga buffer (displayed with -lv).
886  */
887 static cfga_usb_ret_t
888 fill_in_ap_info(const char *ap_id, char *info_buf, size_t info_size)
889 {
890 	char			*mfg_str = NULL;	/* iManufacturer */
891 	char			*prod_str = NULL;	/* iProduct */
892 	char			*cfg_descr = NULL;	/* iConfiguration */
893 	uint_t			config;			/* curr cfg index */
894 	size_t			size;			/* tmp stuff */
895 	boolean_t		flag;		/* wether to print ":" or not */
896 	boolean_t		free_mfg_str = B_FALSE;
897 	boolean_t		free_prod_str = B_FALSE;
898 	boolean_t		free_cfg_str = B_FALSE;
899 	cfga_usb_ret_t		rv = CFGA_USB_OK;
900 	usb_dev_descr_t		*dev_descrp = NULL;	/* device descriptor */
901 
902 	DPRINTF("fill_in_ap_info:\n");
903 
904 	if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_DEV, NULL,
905 	    (void **)&dev_descrp, &size)) != CFGA_USB_OK) {
906 		DPRINTF("fill_in_ap_info: get dev descr failed\n");
907 		return (rv);
908 	}
909 
910 	/* iManufacturer */
911 	mfg_str = USB_UNDEF_STR;
912 	if (dev_descrp->iManufacturer != 0) {
913 		if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_STRING,
914 		    HUBD_MFG_STR, (void **)&mfg_str, &size)) != CFGA_USB_OK) {
915 			if (rv == CFGA_USB_ZEROLEN) {
916 				rv = CFGA_USB_OK;
917 			} else {
918 				DPRINTF("get iManufacturer failed\n");
919 				goto bailout;
920 			}
921 		}
922 		free_mfg_str = B_TRUE;
923 	}
924 
925 	/* iProduct */
926 	prod_str = USB_UNDEF_STR;
927 	if (dev_descrp->iProduct != 0) {
928 		if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_STRING,
929 		    HUBD_PRODUCT_STR, (void **)&prod_str,
930 		    &size)) != CFGA_USB_OK) {
931 			if (rv == CFGA_USB_ZEROLEN) {
932 				rv = CFGA_USB_OK;
933 			} else {
934 				DPRINTF("getting iProduct failed\n");
935 				goto bailout;
936 			}
937 		}
938 		free_prod_str = B_TRUE;
939 	}
940 
941 	/* Current conifguration */
942 	if ((rv = get_config(ap_id, &config)) != CFGA_USB_OK) {
943 		DPRINTF("get_config failed\n");
944 		goto bailout;
945 	}
946 
947 	/* Configuration string descriptor */
948 	cfg_descr = USB_NO_CFG_STR;
949 	if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_STRING,
950 	    HUBD_CFG_DESCR_STR, (void **)&cfg_descr, &size)) != CFGA_USB_OK) {
951 		if (rv == CFGA_USB_ZEROLEN) {
952 			rv = CFGA_USB_OK;
953 			flag = B_TRUE;
954 		} else {
955 			DPRINTF("HUBD_CFG_DESCR_STR failed\n");
956 			goto bailout;
957 		}
958 	}
959 
960 	/* add ": " to output coz PSARC case says so */
961 	if ((cfg_descr != (char *)NULL) && rv != CFGA_USB_ZEROLEN) {
962 		flag = B_TRUE;
963 		free_cfg_str = B_TRUE;
964 	} else {
965 		flag = B_FALSE;
966 		cfg_descr = USB_NO_CFG_STR;
967 	}
968 
969 	/* Dump local buf into passed-in buf. */
970 	(void) snprintf(info_buf, info_size,
971 	    "Mfg: %s  Product: %s  NConfigs: %d  Config: %d  %s%s", mfg_str,
972 	    prod_str, dev_descrp->bNumConfigurations, config,
973 	    (flag == B_TRUE) ? ": " : "", cfg_descr);
974 
975 bailout:
976 	if (dev_descrp) {
977 		free(dev_descrp);
978 	}
979 
980 	if ((free_mfg_str == B_TRUE) && mfg_str) {
981 		free(mfg_str);
982 	}
983 
984 	if ((free_prod_str == B_TRUE) && prod_str) {
985 		free(prod_str);
986 	}
987 
988 	if ((free_cfg_str == B_TRUE) && cfg_descr) {
989 		free(cfg_descr);
990 	}
991 
992 	return (rv);
993 }
994 
995 
996 /* ========================================================================== */
997 /* Entry points */
998 
999 
1000 /*ARGSUSED*/
1001 cfga_err_t
1002 cfga_change_state(
1003 	cfga_cmd_t state_change_cmd,
1004 	const char *ap_id,
1005 	const char *options,
1006 	struct cfga_confirm *confp,
1007 	struct cfga_msg *msgp,
1008 	char **errstring,
1009 	cfga_flags_t flags)
1010 {
1011 	int		ret;
1012 	int		len;
1013 	char		*msg;
1014 	char		*devpath;
1015 	nvlist_t	*nvl = NULL;
1016 	ap_rstate_t	rstate;
1017 	ap_ostate_t	ostate;
1018 	devctl_hdl_t	hdl = NULL;
1019 	cfga_usb_ret_t	rv = CFGA_USB_OK;
1020 
1021 	DPRINTF("cfga_change_state:\n");
1022 
1023 	if ((rv = verify_params(ap_id, options, errstring)) != CFGA_USB_OK) {
1024 		(void) cfga_help(msgp, options, flags);
1025 		goto bailout;
1026 	}
1027 
1028 	/*
1029 	 * All subcommands which can change state of device require
1030 	 * root privileges.
1031 	 */
1032 	if (geteuid() != 0) {
1033 		rv = CFGA_USB_PRIV;
1034 		goto bailout;
1035 	}
1036 
1037 	if ((rv = setup_for_devctl_cmd(ap_id, &hdl, &nvl, 0)) !=
1038 	    CFGA_USB_OK) {
1039 		goto bailout;
1040 	}
1041 
1042 	switch (state_change_cmd) {
1043 	case CFGA_CMD_CONFIGURE:
1044 		if ((rv = device_configured(hdl, nvl, &rstate)) !=
1045 		    CFGA_USB_NOT_CONFIGURED) {
1046 			goto bailout;
1047 		}
1048 
1049 		if (rstate == AP_RSTATE_EMPTY) {
1050 			goto bailout;
1051 		}
1052 		rv = CFGA_USB_OK;	/* Other statuses don't matter */
1053 
1054 		if (devctl_ap_configure(hdl, nvl) != 0) {
1055 			DPRINTF("cfga_change_state: devctl_ap_configure "
1056 			    "failed.  errno: %d\n", errno);
1057 			rv = CFGA_USB_DEVCTL;
1058 		}
1059 
1060 		devpath = usb_get_devicepath(ap_id);
1061 		if (devpath == NULL) {
1062 			int i;
1063 			/*
1064 			 * try for some time as USB hotplug thread
1065 			 * takes a while to create the path
1066 			 * and then eventually give up
1067 			 */
1068 			for (i = 0; i < 12 && (devpath == NULL); i++) {
1069 				sleep(6);
1070 				devpath = usb_get_devicepath(ap_id);
1071 			}
1072 
1073 			if (devpath == NULL) {
1074 				DPRINTF("cfga_change_state: get device "
1075 				    "path failed i = %d\n", i);
1076 				rv = CFGA_USB_DEVCTL;
1077 				break;
1078 			}
1079 		}
1080 		S_FREE(devpath);
1081 		break;
1082 	case CFGA_CMD_UNCONFIGURE:
1083 		if ((rv = device_connected(hdl, nvl, &ostate)) !=
1084 		    CFGA_USB_ALREADY_CONNECTED) {
1085 			goto bailout;
1086 		}
1087 
1088 		/* check if it is already unconfigured */
1089 		if ((rv = device_configured(hdl, nvl, &rstate)) ==
1090 		    CFGA_USB_NOT_CONFIGURED) {
1091 			goto bailout;
1092 		}
1093 		rv = CFGA_USB_OK;	/* Other statuses don't matter */
1094 
1095 		len = strlen(USB_CONFIRM_0) + strlen(USB_CONFIRM_1) +
1096 				strlen("Unconfigure") + strlen(ap_id);
1097 		if ((msg = (char *)calloc(len + 3, 1)) != NULL) {
1098 			(void) snprintf(msg, len + 3, "Unconfigure %s%s\n%s",
1099 			    USB_CONFIRM_0, ap_id, USB_CONFIRM_1);
1100 		}
1101 		if (!usb_confirm(confp, msg)) {
1102 			free(msg);
1103 			cleanup_after_devctl_cmd(hdl, nvl);
1104 			return (CFGA_NACK);
1105 		}
1106 		free(msg);
1107 
1108 		devpath = usb_get_devicepath(ap_id);
1109 		if (devpath == NULL) {
1110 			DPRINTF("cfga_change_state: get device path failed\n");
1111 			rv = CFGA_USB_DEVCTL;
1112 			break;
1113 		}
1114 
1115 		if ((rv = usb_rcm_offline(ap_id, errstring, devpath, flags)) !=
1116 		    CFGA_USB_OK) {
1117 			break;
1118 		}
1119 
1120 		ret = devctl_ap_unconfigure(hdl, nvl);
1121 		if (ret != 0) {
1122 			DPRINTF("cfga_change_state: devctl_ap_unconfigure "
1123 			    "failed with errno: %d\n", errno);
1124 			rv = CFGA_USB_DEVCTL;
1125 			if (errno == EBUSY) {
1126 				rv = CFGA_USB_BUSY;
1127 			}
1128 			(void) usb_rcm_online(ap_id, errstring, devpath, flags);
1129 		} else {
1130 			(void) usb_rcm_remove(ap_id, errstring, devpath, flags);
1131 		}
1132 		S_FREE(devpath);
1133 		break;
1134 	case CFGA_CMD_DISCONNECT:
1135 		if ((rv = device_connected(hdl, nvl, &ostate)) !=
1136 		    CFGA_USB_ALREADY_CONNECTED) {
1137 			/*
1138 			 * special case handling for
1139 			 * SLM based cfgadm disconnects
1140 			 */
1141 			if (ostate == AP_OSTATE_UNCONFIGURED)
1142 				goto bailout;
1143 		}
1144 		rv = CFGA_USB_OK;	/* Other statuses don't matter */
1145 
1146 		len = strlen(USB_CONFIRM_0) + strlen(USB_CONFIRM_1) +
1147 				strlen("Disconnect") + strlen(ap_id);
1148 		if ((msg = (char *)calloc(len + 3, 1)) != NULL) {
1149 			(void) snprintf(msg, len + 3, "Disconnect %s%s\n%s",
1150 			    USB_CONFIRM_0, ap_id, USB_CONFIRM_1);
1151 		}
1152 		if (!usb_confirm(confp, msg)) {
1153 			free(msg);
1154 			cleanup_after_devctl_cmd(hdl, nvl);
1155 			return (CFGA_NACK);
1156 		}
1157 		free(msg);
1158 
1159 		devpath = usb_get_devicepath(ap_id);
1160 		if (devpath == NULL) {
1161 			DPRINTF("cfga_change_state: get device path failed\n");
1162 			rv = CFGA_USB_DEVCTL;
1163 			break;
1164 		}
1165 
1166 		/* only call rcm_offline iff the state was CONFIGURED */
1167 		if (ostate == AP_OSTATE_CONFIGURED) {
1168 			if ((rv = usb_rcm_offline(ap_id, errstring,
1169 			    devpath, flags)) != CFGA_USB_OK) {
1170 				break;
1171 			}
1172 		}
1173 
1174 		ret = devctl_ap_disconnect(hdl, nvl);
1175 		if (ret != 0) {
1176 			DPRINTF("cfga_change_state: devctl_ap_disconnect "
1177 			    "failed with errno: %d\n", errno);
1178 			rv = CFGA_USB_DEVCTL;
1179 			if (errno == EBUSY) {
1180 				rv = CFGA_USB_BUSY;
1181 			}
1182 			if (ostate == AP_OSTATE_CONFIGURED) {
1183 				(void) usb_rcm_online(ap_id, errstring,
1184 				    devpath, flags);
1185 			}
1186 		} else {
1187 			if (ostate == AP_OSTATE_CONFIGURED) {
1188 				(void) usb_rcm_remove(ap_id, errstring,
1189 				    devpath, flags);
1190 			}
1191 		}
1192 		S_FREE(devpath);
1193 		break;
1194 	case CFGA_CMD_CONNECT:
1195 	case CFGA_CMD_LOAD:
1196 	case CFGA_CMD_UNLOAD:
1197 		(void) cfga_help(msgp, options, flags);
1198 		rv = CFGA_USB_OPNOTSUPP;
1199 		break;
1200 	case CFGA_CMD_NONE:
1201 	default:
1202 		(void) cfga_help(msgp, options, flags);
1203 		rv = CFGA_USB_INTERNAL_ERROR;
1204 	}
1205 
1206 bailout:
1207 	cleanup_after_devctl_cmd(hdl, nvl);
1208 
1209 	return (usb_err_msg(errstring, rv, ap_id, errno));
1210 }
1211 
1212 
1213 /*ARGSUSED*/
1214 cfga_err_t
1215 cfga_private_func(
1216 	const char *func,
1217 	const char *ap_id,
1218 	const char *options,
1219 	struct cfga_confirm *confp,
1220 	struct cfga_msg *msgp,
1221 	char **errstring,
1222 	cfga_flags_t flags)
1223 {
1224 	int			len;
1225 	char			*msg;
1226 	nvlist_t		*list = NULL;
1227 	ap_ostate_t		ostate;
1228 	devctl_hdl_t 		hdl = NULL;
1229 	cfga_usb_ret_t		rv;
1230 	usb_dev_descr_t		*dev_descrp = NULL;
1231 	char			*driver = NULL;
1232 
1233 	DPRINTF("cfga_private_func:\n");
1234 
1235 	if ((rv = verify_params(ap_id, NULL, errstring)) != CFGA_USB_OK) {
1236 		(void) cfga_help(msgp, options, flags);
1237 		return (usb_err_msg(errstring, rv, ap_id, errno));
1238 	}
1239 
1240 	/*
1241 	 * All subcommands which can change state of device require
1242 	 * root privileges.
1243 	 */
1244 	if (geteuid() != 0) {
1245 		rv = CFGA_USB_PRIV;
1246 		goto bailout;
1247 	}
1248 
1249 	if (func == NULL) {
1250 		rv = CFGA_USB_INTERNAL_ERROR;
1251 		goto bailout;
1252 	}
1253 
1254 	if ((rv = setup_for_devctl_cmd(ap_id, &hdl, &list, 0)) !=
1255 	    CFGA_USB_OK) {
1256 		goto bailout;
1257 	}
1258 
1259 	if ((rv = device_connected(hdl, list, &ostate)) !=
1260 	    CFGA_USB_ALREADY_CONNECTED) {
1261 		goto bailout;
1262 	}
1263 	rv = CFGA_USB_OK;
1264 
1265 	if (strcmp(func, RESET_DEVICE) == 0) {	/* usb_reset? */
1266 		len = strlen(USB_CONFIRM_0) + strlen(USB_CONFIRM_1) +
1267 				strlen("Reset") + strlen(ap_id);
1268 		if ((msg = (char *)calloc(len + 3, 1)) != NULL) {
1269 			(void) snprintf(msg, len + 3, "Reset %s%s\n%s",
1270 			    USB_CONFIRM_0, ap_id, USB_CONFIRM_1);
1271 		} else {
1272 			cleanup_after_devctl_cmd(hdl, list);
1273 			return (CFGA_NACK);
1274 		}
1275 
1276 		if (!usb_confirm(confp, msg)) {
1277 			cleanup_after_devctl_cmd(hdl, list);
1278 			return (CFGA_NACK);
1279 		}
1280 
1281 		if ((rv = reset_device(hdl, list)) != CFGA_USB_OK) {
1282 			goto bailout;
1283 		}
1284 	} else if (strncmp(func, USB_CONFIG, sizeof (USB_CONFIG)) == 0) {
1285 		uint_t	config = 0;
1286 		uint_t	actual_config;
1287 		size_t	size;
1288 		char	*subopts, *value;
1289 		uint_t	cfg_opt_flag = B_FALSE;
1290 
1291 		/* these are the only valid options */
1292 		char *cfg_opts[] = {
1293 			"config",	/* 0 */
1294 			"drv",		/* 1 */
1295 			NULL
1296 		};
1297 
1298 		/* return error if no options are specified */
1299 		subopts = (char *)options;
1300 		if (subopts == (char *)NULL) {
1301 			DPRINTF("cfga_private_func: no options\n");
1302 			rv = CFGA_USB_OPNOTSUPP;
1303 			(void) cfga_help(msgp, options, flags);
1304 			goto bailout;
1305 		}
1306 
1307 		/* parse options specified */
1308 		while (*subopts != '\0') {
1309 			switch (getsubopt(&subopts, cfg_opts, &value)) {
1310 				case 0: /* config */
1311 					if (value == NULL) {
1312 						rv = CFGA_USB_OPNOTSUPP;
1313 						(void) cfga_help(msgp,
1314 						    options, flags);
1315 						goto bailout;
1316 					} else {
1317 						errno = 0;
1318 						config = strtol(value,
1319 						    (char **)NULL, 10);
1320 						if (errno) {
1321 							DPRINTF(
1322 							    "config conversion"
1323 							    "failed\n");
1324 							rv =
1325 							CFGA_USB_CONFIG_INVAL;
1326 							goto bailout;
1327 						}
1328 					}
1329 					cfg_opt_flag = B_TRUE;
1330 					break;
1331 
1332 				case 1: /* drv */
1333 					if (value == NULL) {
1334 						rv = CFGA_USB_OPNOTSUPP;
1335 						(void) cfga_help(msgp,
1336 						    options, flags);
1337 						goto bailout;
1338 					} else {
1339 						S_FREE(driver);
1340 						driver = strdup(value);
1341 						if (driver == NULL) {
1342 							rv =
1343 							CFGA_USB_INTERNAL_ERROR;
1344 							goto bailout;
1345 						}
1346 					}
1347 					break;
1348 
1349 				default:
1350 					rv = CFGA_USB_OPNOTSUPP;
1351 					(void) cfga_help(msgp, options, flags);
1352 					goto bailout;
1353 			}
1354 		}
1355 
1356 		/* config is mandatory */
1357 		if (cfg_opt_flag != B_TRUE) {
1358 			rv = CFGA_USB_OPNOTSUPP;
1359 			(void) cfga_help(msgp, options, flags);
1360 			goto bailout;
1361 		}
1362 		DPRINTF("config = %x\n", config);
1363 
1364 		len = strlen(USB_CONFIRM_0) + strlen(USB_CONFIRM_1) +
1365 			strlen("Setting") + strlen(ap_id) +
1366 			strlen("to USB configuration");
1367 		/* len + 8 to account for config, \n and white space */
1368 		if ((msg = (char *)calloc(len + 8, 1)) != NULL) {
1369 			(void) snprintf(msg, len + 8,
1370 			    "Setting %s%s\nto USB configuration %d\n%s",
1371 			    USB_CONFIRM_0, ap_id, config, USB_CONFIRM_1);
1372 		} else {
1373 			rv = CFGA_USB_INTERNAL_ERROR;
1374 			goto bailout;
1375 		}
1376 
1377 		if (!usb_confirm(confp, msg)) {
1378 			S_FREE(driver);
1379 			cleanup_after_devctl_cmd(hdl, list);
1380 			return (CFGA_NACK);
1381 		}
1382 
1383 		/*
1384 		 * Check that the option setting selected is in range.
1385 		 */
1386 		if ((rv = do_control_ioctl(ap_id, USB_DESCR_TYPE_DEV, NULL,
1387 		    (void **)&dev_descrp, &size)) != CFGA_USB_OK) {
1388 			DPRINTF("cfga_private_func: get dev descr failed\n");
1389 			goto bailout;
1390 		}
1391 
1392 		if (config > dev_descrp->bNumConfigurations - 1) {
1393 			DPRINTF("cfga_private_func: config index requested "
1394 			    "(%d) exceeds bNumConfigurations - 1 (%d)\n",
1395 			    config, dev_descrp->bNumConfigurations - 1);
1396 			rv = CFGA_USB_CONFIG_INVAL;
1397 			goto bailout;
1398 		}
1399 
1400 		/* Pass current setting to set_configuration */
1401 		if ((rv = get_config(ap_id, &actual_config)) != CFGA_USB_OK) {
1402 			goto bailout;
1403 		}
1404 
1405 		/* check if they match - yes, then nothing to do */
1406 		if (actual_config == config) {
1407 			DPRINTF("cfga_private_func: config index requested "
1408 			    "(%d)  matches the actual config value %d\n",
1409 			    config, actual_config);
1410 			rv = CFGA_USB_OK;
1411 			goto bailout;
1412 		}
1413 
1414 		/* Save the configuration settings  */
1415 		if ((rv = set_configuration(ap_id, config, driver,
1416 		    dev_descrp, errstring)) != CFGA_USB_OK) {
1417 			goto bailout;
1418 		}
1419 
1420 		/* Reset device to force new config to take effect */
1421 		if ((rv = reset_device(hdl, list)) != CFGA_USB_OK) {
1422 			goto bailout;
1423 		}
1424 
1425 	} else {
1426 		DPRINTF("cfga_private_func: unrecognized command.\n");
1427 		(void) cfga_help(msgp, options, flags);
1428 		errno = EINVAL;
1429 
1430 		return (CFGA_INVAL);
1431 	}
1432 
1433 bailout:
1434 	S_FREE(dev_descrp);
1435 	S_FREE(driver);
1436 	cleanup_after_devctl_cmd(hdl, list);
1437 
1438 	return (usb_err_msg(errstring, rv, ap_id, errno));
1439 }
1440 
1441 
1442 /*ARGSUSED*/
1443 cfga_err_t
1444 cfga_test(
1445 	const char *ap_id,
1446 	const char *options,
1447 	struct cfga_msg *msgp,
1448 	char **errstring,
1449 	cfga_flags_t flags)
1450 {
1451 	(void) cfga_help(msgp, options, flags);
1452 	return (CFGA_OPNOTSUPP);
1453 }
1454 
1455 
1456 /*ARGSUSED*/
1457 cfga_err_t
1458 cfga_list_ext(
1459 	const char *ap_id,
1460 	cfga_list_data_t **ap_id_list,
1461 	int *nlistp,
1462 	const char *options,
1463 	const char *listopts,
1464 	char **errstring,
1465 	cfga_flags_t flags)
1466 {
1467 	int			l_errno;
1468 	char			*ap_id_log = NULL;
1469 	size_t			size;
1470 	nvlist_t		*user_nvlist = NULL;
1471 	devctl_hdl_t		devctl_hdl = NULL;
1472 	cfga_usb_ret_t		rv = CFGA_USB_OK;
1473 	devctl_ap_state_t	devctl_ap_state;
1474 
1475 	DPRINTF("cfga_list_ext:\n");
1476 
1477 	if ((rv = verify_params(ap_id, options, errstring)) != CFGA_USB_OK) {
1478 		(void) cfga_help(NULL, options, flags);
1479 		goto bailout;
1480 	}
1481 
1482 	if (ap_id_list == NULL || nlistp == NULL) {
1483 		DPRINTF("cfga_list_ext: list = NULL or nlistp = NULL\n");
1484 		rv = CFGA_USB_INTERNAL_ERROR;
1485 		(void) cfga_help(NULL, options, flags);
1486 		goto bailout;
1487 	}
1488 
1489 	/* Get ap status */
1490 	if ((rv = setup_for_devctl_cmd(ap_id, &devctl_hdl, &user_nvlist,
1491 	    DC_RDONLY)) != CFGA_USB_OK) {
1492 		goto bailout;
1493 	}
1494 
1495 	if (devctl_ap_getstate(devctl_hdl, user_nvlist, &devctl_ap_state) ==
1496 	    -1) {
1497 		DPRINTF("cfga_list_ext: devctl_ap_getstate failed. errno: %d\n",
1498 		    errno);
1499 		cleanup_after_devctl_cmd(devctl_hdl, user_nvlist);
1500 		rv = CFGA_USB_DEVCTL;
1501 		goto bailout;
1502 	}
1503 	cleanup_after_devctl_cmd(devctl_hdl, user_nvlist);
1504 
1505 	/*
1506 	 * Create cfga_list_data_t struct.
1507 	 */
1508 	if ((*ap_id_list =
1509 	    (cfga_list_data_t *)malloc(sizeof (**ap_id_list))) == NULL) {
1510 		DPRINTF("cfga_list_ext: malloc for cfga_list_data_t failed. "
1511 		    "errno: %d\n", errno);
1512 		rv = CFGA_USB_ALLOC_FAIL;
1513 		goto bailout;
1514 	}
1515 	*nlistp = 1;
1516 
1517 
1518 	/*
1519 	 * Rest of the code fills in the cfga_list_data_t struct.
1520 	 */
1521 
1522 	/* Get /dev/cfg path to corresponding to the physical ap_id */
1523 	/* Remember ap_id_log must be freed */
1524 	rv = (cfga_usb_ret_t)physpath_to_devlink(CFGA_DEV_DIR, (char *)ap_id,
1525 	    &ap_id_log, &l_errno, MATCH_MINOR_NAME);
1526 	if (rv != 0) {
1527 		rv = CFGA_USB_DEVLINK;
1528 		goto bailout;
1529 	}
1530 	assert(ap_id_log != NULL);
1531 
1532 	/* Get logical ap-id corresponding to the physical */
1533 	if (strstr(ap_id_log, CFGA_DEV_DIR) == NULL) {
1534 		DPRINTF("cfga_list_ext: devlink doesn't contain /dev/cfg\n");
1535 		rv = CFGA_USB_DEVLINK;
1536 		goto bailout;
1537 	}
1538 	(void) strlcpy((*ap_id_list)->ap_log_id,
1539 	    /* Strip off /dev/cfg/ */ ap_id_log + strlen(CFGA_DEV_DIR)+ 1,
1540 	    sizeof ((*ap_id_list)->ap_log_id));
1541 	free(ap_id_log);
1542 	ap_id_log = NULL;
1543 
1544 	(void) strlcpy((*ap_id_list)->ap_phys_id, ap_id,
1545 	    sizeof ((*ap_id_list)->ap_phys_id));
1546 
1547 	switch (devctl_ap_state.ap_rstate) {
1548 		case AP_RSTATE_EMPTY:
1549 			(*ap_id_list)->ap_r_state = CFGA_STAT_EMPTY;
1550 			break;
1551 		case AP_RSTATE_DISCONNECTED:
1552 			(*ap_id_list)->ap_r_state = CFGA_STAT_DISCONNECTED;
1553 			break;
1554 		case AP_RSTATE_CONNECTED:
1555 			(*ap_id_list)->ap_r_state = CFGA_STAT_CONNECTED;
1556 			break;
1557 		default:
1558 			rv = CFGA_USB_STATE;
1559 			goto bailout;
1560 	}
1561 
1562 	switch (devctl_ap_state.ap_ostate) {
1563 		case AP_OSTATE_CONFIGURED:
1564 			(*ap_id_list)->ap_o_state = CFGA_STAT_CONFIGURED;
1565 			break;
1566 		case AP_OSTATE_UNCONFIGURED:
1567 			(*ap_id_list)->ap_o_state = CFGA_STAT_UNCONFIGURED;
1568 			break;
1569 		default:
1570 			rv = CFGA_USB_STATE;
1571 			goto bailout;
1572 	}
1573 
1574 	switch (devctl_ap_state.ap_condition) {
1575 		case AP_COND_OK:
1576 			(*ap_id_list)->ap_cond = CFGA_COND_OK;
1577 			break;
1578 		case AP_COND_FAILING:
1579 			(*ap_id_list)->ap_cond = CFGA_COND_FAILING;
1580 			break;
1581 		case AP_COND_FAILED:
1582 			(*ap_id_list)->ap_cond = CFGA_COND_FAILED;
1583 			break;
1584 		case AP_COND_UNUSABLE:
1585 			(*ap_id_list)->ap_cond = CFGA_COND_UNUSABLE;
1586 			break;
1587 		case AP_COND_UNKNOWN:
1588 			(*ap_id_list)->ap_cond = CFGA_COND_UNKNOWN;
1589 			break;
1590 		default:
1591 			rv = CFGA_USB_STATE;
1592 			goto bailout;
1593 	}
1594 
1595 	(*ap_id_list)->ap_class[0] = '\0';	/* Filled by libcfgadm */
1596 	(*ap_id_list)->ap_busy = devctl_ap_state.ap_in_transition;
1597 	(*ap_id_list)->ap_status_time = devctl_ap_state.ap_last_change;
1598 	(*ap_id_list)->ap_info[0] = NULL;
1599 
1600 	if ((*ap_id_list)->ap_r_state == CFGA_STAT_CONNECTED) {
1601 		char *str_p;
1602 		size_t	str_len;
1603 
1604 		/* Fill in the info for the -v option display.  */
1605 		if ((rv = fill_in_ap_info(ap_id, (*ap_id_list)->ap_info,
1606 		    sizeof ((*ap_id_list)->ap_info))) != CFGA_USB_OK) {
1607 			DPRINTF("cfga_list_ext: fill_in_ap_info failed\n");
1608 			goto bailout;
1609 		}
1610 
1611 		/* Fill in ap_type */
1612 		if ((rv = do_control_ioctl(ap_id, HUBD_GET_CFGADM_NAME, NULL,
1613 		    (void **)&str_p, &size)) != CFGA_USB_OK) {
1614 			DPRINTF("cfga_list_ext: do_control_ioctl failed\n");
1615 			goto bailout;
1616 		}
1617 
1618 		(void) strcpy((*ap_id_list)->ap_type, "usb-");
1619 		str_len = strlen((*ap_id_list)->ap_type);
1620 
1621 		/*
1622 		 * NOTE: In the cfgadm display the "Type" column is only 12
1623 		 * chars long. Most USB devices can be displayed here with a
1624 		 * "usb-" prefix. Only USB keyboard cannot be displayed in
1625 		 * its entirety as "usb-keybaord" is 13 chars in length.
1626 		 * It will show up as "usb-kbd".
1627 		 */
1628 		if (strncasecmp(str_p, "keyboard", 8) != 0) {
1629 			(void) strlcpy((*ap_id_list)->ap_type + str_len, str_p,
1630 			    sizeof ((*ap_id_list)->ap_type) - str_len);
1631 		} else {
1632 			(void) strlcpy((*ap_id_list)->ap_type + str_len, "kbd",
1633 			    sizeof ((*ap_id_list)->ap_type) - str_len);
1634 		}
1635 
1636 		free(str_p);
1637 	} else {
1638 		(void) strcpy((*ap_id_list)->ap_type,
1639 		    USB_CFGADM_DEFAULT_AP_TYPE);
1640 	}
1641 
1642 	return (usb_err_msg(errstring, rv, ap_id, errno));
1643 bailout:
1644 	if (*ap_id_list != NULL) {
1645 		free(*ap_id_list);
1646 	}
1647 	if (ap_id_log != NULL) {
1648 		free(ap_id_log);
1649 	}
1650 
1651 	return (usb_err_msg(errstring, rv, ap_id, errno));
1652 }
1653 
1654 
1655 /*
1656  * This routine accepts a variable number of message IDs and constructs
1657  * a corresponding error string which is printed via the message print routine
1658  * argument.
1659  */
1660 static void
1661 cfga_msg(struct cfga_msg *msgp, const char *str)
1662 {
1663 	int len;
1664 	char *q;
1665 
1666 	if (msgp == NULL || msgp->message_routine == NULL) {
1667 		DPRINTF("cfga_msg: msg\n");
1668 		return;
1669 	}
1670 
1671 	if ((len = strlen(str)) == 0) {
1672 		DPRINTF("cfga_msg: null str\n");
1673 		return;
1674 	}
1675 
1676 	if ((q = (char *)calloc(len + 1, 1)) == NULL) {
1677 		DPRINTF("cfga_msg: null q\n");
1678 		return;
1679 	}
1680 
1681 	strcpy(q, str);
1682 	(*msgp->message_routine)(msgp->appdata_ptr, q);
1683 
1684 	free(q);
1685 }
1686 
1687 
1688 /* ARGSUSED */
1689 cfga_err_t
1690 cfga_help(struct cfga_msg *msgp, const char *options, cfga_flags_t flags)
1691 {
1692 	DPRINTF("cfga_help:\n");
1693 	if (options) {
1694 		cfga_msg(msgp, dgettext(TEXT_DOMAIN, usb_help[HELP_UNKNOWN]));
1695 		cfga_msg(msgp, options);
1696 	}
1697 
1698 	cfga_msg(msgp, dgettext(TEXT_DOMAIN, usb_help[HELP_HEADER]));
1699 	cfga_msg(msgp, usb_help[HELP_CONFIG]);
1700 	cfga_msg(msgp, usb_help[HELP_RESET_SLOT]);
1701 	cfga_msg(msgp, usb_help[HELP_CONFIG_SLOT]);
1702 
1703 	return (CFGA_OK);
1704 }
1705 
1706 
1707 static int
1708 usb_confirm(struct cfga_confirm *confp, char *msg)
1709 {
1710 	int rval;
1711 
1712 	if (confp == NULL || confp->confirm == NULL) {
1713 		return (0);
1714 	}
1715 
1716 	rval = (*confp->confirm)(confp->appdata_ptr, msg);
1717 	DPRINTF("usb_confirm: %d\n", rval);
1718 
1719 	return (rval);
1720 }
1721 
1722 
1723 static char *
1724 usb_get_devicepath(const char *ap_id)
1725 {
1726 	char		*devpath = NULL;
1727 	size_t		size;
1728 	cfga_usb_ret_t	rv;
1729 
1730 	rv = do_control_ioctl(ap_id, HUBD_GET_DEVICE_PATH, NULL,
1731 	    (void **)&devpath, &size);
1732 
1733 	if (rv == CFGA_USB_OK) {
1734 		DPRINTF("usb_get_devicepath: get device path ioctl ok\n");
1735 		return (devpath);
1736 	} else {
1737 		DPRINTF("usb_get_devicepath: get device path ioctl failed\n");
1738 		return ((char *)NULL);
1739 	}
1740 }
1741