1 /*
2  * Copyright (c) 2009-2015 Solarflare Communications Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  *    this list of conditions and the following disclaimer in the documentation
12  *    and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * The views and conclusions contained in the software and documentation are
27  * those of the authors and should not be interpreted as representing official
28  * policies, either expressed or implied, of the FreeBSD Project.
29  */
30 
31 #include "efx.h"
32 #include "efx_impl.h"
33 
34 #if EFSYS_OPT_VPD
35 
36 #if EFSYS_OPT_SIENA
37 
38 static	__checkReturn			efx_rc_t
siena_vpd_get_static(__in efx_nic_t * enp,__in uint32_t partn,__deref_out_bcount_opt (* sizep)caddr_t * svpdp,__out size_t * sizep)39 siena_vpd_get_static(
40 	__in				efx_nic_t *enp,
41 	__in				uint32_t partn,
42 	__deref_out_bcount_opt(*sizep)	caddr_t *svpdp,
43 	__out				size_t *sizep)
44 {
45 	siena_mc_static_config_hdr_t *scfg;
46 	caddr_t svpd;
47 	size_t size;
48 	uint8_t cksum;
49 	unsigned int vpd_offset;
50 	unsigned int vpd_length;
51 	unsigned int hdr_length;
52 	unsigned int pos;
53 	unsigned int region;
54 	efx_rc_t rc;
55 
56 	EFSYS_ASSERT(partn == MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0 ||
57 		    partn == MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1);
58 
59 	/* Allocate sufficient memory for the entire static cfg area */
60 	if ((rc = siena_nvram_partn_size(enp, partn, &size)) != 0)
61 		goto fail1;
62 
63 	EFSYS_KMEM_ALLOC(enp->en_esip, size, scfg);
64 	if (scfg == NULL) {
65 		rc = ENOMEM;
66 		goto fail2;
67 	}
68 
69 	if ((rc = siena_nvram_partn_read(enp, partn, 0,
70 	    (caddr_t)scfg, SIENA_NVRAM_CHUNK)) != 0)
71 		goto fail3;
72 
73 	/* Verify the magic number */
74 	if (EFX_DWORD_FIELD(scfg->magic, EFX_DWORD_0) !=
75 	    SIENA_MC_STATIC_CONFIG_MAGIC) {
76 		rc = EINVAL;
77 		goto fail4;
78 	}
79 
80 	/* All future versions of the structure must be backwards compatable */
81 	EFX_STATIC_ASSERT(SIENA_MC_STATIC_CONFIG_VERSION == 0);
82 
83 	hdr_length = EFX_WORD_FIELD(scfg->length, EFX_WORD_0);
84 	vpd_offset = EFX_DWORD_FIELD(scfg->static_vpd_offset, EFX_DWORD_0);
85 	vpd_length = EFX_DWORD_FIELD(scfg->static_vpd_length, EFX_DWORD_0);
86 
87 	/* Verify the hdr doesn't overflow the sector size */
88 	if (hdr_length > size || vpd_offset > size || vpd_length > size ||
89 	    vpd_length + vpd_offset > size) {
90 		rc = EINVAL;
91 		goto fail5;
92 	}
93 
94 	/* Read the remainder of scfg + static vpd */
95 	region = vpd_offset + vpd_length;
96 	if (region > SIENA_NVRAM_CHUNK) {
97 		if ((rc = siena_nvram_partn_read(enp, partn, SIENA_NVRAM_CHUNK,
98 		    (caddr_t)scfg + SIENA_NVRAM_CHUNK,
99 		    region - SIENA_NVRAM_CHUNK)) != 0)
100 			goto fail6;
101 	}
102 
103 	/* Verify checksum */
104 	cksum = 0;
105 	for (pos = 0; pos < hdr_length; pos++)
106 		cksum += ((uint8_t *)scfg)[pos];
107 	if (cksum != 0) {
108 		rc = EINVAL;
109 		goto fail7;
110 	}
111 
112 	if (vpd_length == 0)
113 		svpd = NULL;
114 	else {
115 		/* Copy the vpd data out */
116 		EFSYS_KMEM_ALLOC(enp->en_esip, vpd_length, svpd);
117 		if (svpd == NULL) {
118 			rc = ENOMEM;
119 			goto fail8;
120 		}
121 		(void) memcpy(svpd, (caddr_t)scfg + vpd_offset, vpd_length);
122 	}
123 
124 	EFSYS_KMEM_FREE(enp->en_esip, size, scfg);
125 
126 	*svpdp = svpd;
127 	*sizep = vpd_length;
128 
129 	return (0);
130 
131 fail8:
132 	EFSYS_PROBE(fail8);
133 fail7:
134 	EFSYS_PROBE(fail7);
135 fail6:
136 	EFSYS_PROBE(fail6);
137 fail5:
138 	EFSYS_PROBE(fail5);
139 fail4:
140 	EFSYS_PROBE(fail4);
141 fail3:
142 	EFSYS_PROBE(fail3);
143 
144 	EFSYS_KMEM_FREE(enp->en_esip, size, scfg);
145 
146 fail2:
147 	EFSYS_PROBE(fail2);
148 fail1:
149 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
150 
151 	return (rc);
152 }
153 
154 	__checkReturn		efx_rc_t
siena_vpd_init(__in efx_nic_t * enp)155 siena_vpd_init(
156 	__in			efx_nic_t *enp)
157 {
158 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
159 	caddr_t svpd = NULL;
160 	unsigned partn;
161 	size_t size = 0;
162 	efx_rc_t rc;
163 
164 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
165 
166 	partn = (emip->emi_port == 1)
167 		? MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0
168 		: MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1;
169 
170 	/*
171 	 * We need the static VPD sector to present a unified static+dynamic
172 	 * VPD, that is, basically on every read, write, verify cycle. Since
173 	 * it should *never* change we can just cache it here.
174 	 */
175 	if ((rc = siena_vpd_get_static(enp, partn, &svpd, &size)) != 0)
176 		goto fail1;
177 
178 	if (svpd != NULL && size > 0) {
179 		if ((rc = efx_vpd_hunk_verify(svpd, size, NULL)) != 0)
180 			goto fail2;
181 	}
182 
183 	enp->en_u.siena.enu_svpd = svpd;
184 	enp->en_u.siena.enu_svpd_length = size;
185 
186 	return (0);
187 
188 fail2:
189 	EFSYS_PROBE(fail2);
190 
191 	EFSYS_KMEM_FREE(enp->en_esip, size, svpd);
192 fail1:
193 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
194 
195 	return (rc);
196 }
197 
198 	__checkReturn		efx_rc_t
siena_vpd_size(__in efx_nic_t * enp,__out size_t * sizep)199 siena_vpd_size(
200 	__in			efx_nic_t *enp,
201 	__out			size_t *sizep)
202 {
203 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
204 	uint32_t partn;
205 	efx_rc_t rc;
206 
207 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
208 
209 	/*
210 	 * This function returns the total size the user should allocate
211 	 * for all VPD operations. We've already cached the static vpd,
212 	 * so we just need to return an upper bound on the dynamic vpd.
213 	 * Since the dynamic_config structure can change under our feet,
214 	 * (as version numbers are inserted), just be safe and return the
215 	 * total size of the dynamic_config *sector*
216 	 */
217 	partn = (emip->emi_port == 1)
218 		? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
219 		: MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
220 
221 	if ((rc = siena_nvram_partn_size(enp, partn, sizep)) != 0)
222 		goto fail1;
223 
224 	return (0);
225 
226 fail1:
227 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
228 
229 	return (rc);
230 }
231 
232 	__checkReturn		efx_rc_t
siena_vpd_read(__in efx_nic_t * enp,__out_bcount (size)caddr_t data,__in size_t size)233 siena_vpd_read(
234 	__in			efx_nic_t *enp,
235 	__out_bcount(size)	caddr_t data,
236 	__in			size_t size)
237 {
238 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
239 	siena_mc_dynamic_config_hdr_t *dcfg = NULL;
240 	unsigned int vpd_length;
241 	unsigned int vpd_offset;
242 	unsigned int dcfg_partn;
243 	size_t dcfg_size;
244 	efx_rc_t rc;
245 
246 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
247 
248 	dcfg_partn = (emip->emi_port == 1)
249 		? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
250 		: MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
251 
252 	if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
253 	    B_TRUE, &dcfg, &dcfg_size)) != 0)
254 		goto fail1;
255 
256 	vpd_length = EFX_DWORD_FIELD(dcfg->dynamic_vpd_length, EFX_DWORD_0);
257 	vpd_offset = EFX_DWORD_FIELD(dcfg->dynamic_vpd_offset, EFX_DWORD_0);
258 
259 	if (vpd_length > size) {
260 		rc = EFAULT;	/* Invalid dcfg: header bigger than sector */
261 		goto fail2;
262 	}
263 
264 	EFSYS_ASSERT3U(vpd_length, <=, size);
265 	(void) memcpy(data, (caddr_t)dcfg + vpd_offset, vpd_length);
266 
267 	/* Pad data with all-1s, consistent with update operations */
268 	(void) memset(data + vpd_length, 0xff, size - vpd_length);
269 
270 	EFSYS_KMEM_FREE(enp->en_esip, dcfg_size, dcfg);
271 
272 	return (0);
273 
274 fail2:
275 	EFSYS_PROBE(fail2);
276 
277 	EFSYS_KMEM_FREE(enp->en_esip, dcfg_size, dcfg);
278 fail1:
279 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
280 
281 	return (rc);
282 }
283 
284 	__checkReturn		efx_rc_t
siena_vpd_verify(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size)285 siena_vpd_verify(
286 	__in			efx_nic_t *enp,
287 	__in_bcount(size)	caddr_t data,
288 	__in			size_t size)
289 {
290 	efx_vpd_tag_t stag;
291 	efx_vpd_tag_t dtag;
292 	efx_vpd_keyword_t skey;
293 	efx_vpd_keyword_t dkey;
294 	unsigned int scont;
295 	unsigned int dcont;
296 
297 	efx_rc_t rc;
298 
299 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
300 
301 	/*
302 	 * Strictly you could take the view that dynamic vpd is optional.
303 	 * Instead, to conform more closely to the read/verify/reinit()
304 	 * paradigm, we require dynamic vpd. siena_vpd_reinit() will
305 	 * reinitialize it as required.
306 	 */
307 	if ((rc = efx_vpd_hunk_verify(data, size, NULL)) != 0)
308 		goto fail1;
309 
310 	/*
311 	 * Verify that there is no duplication between the static and
312 	 * dynamic cfg sectors.
313 	 */
314 	if (enp->en_u.siena.enu_svpd_length == 0)
315 		goto done;
316 
317 	dcont = 0;
318 	_NOTE(CONSTANTCONDITION)
319 	while (1) {
320 		if ((rc = efx_vpd_hunk_next(data, size, &dtag,
321 		    &dkey, NULL, NULL, &dcont)) != 0)
322 			goto fail2;
323 		if (dcont == 0)
324 			break;
325 
326 		/*
327 		 * Skip the RV keyword. It should be present in both the static
328 		 * and dynamic cfg sectors.
329 		 */
330 		if (dtag == EFX_VPD_RO && dkey == EFX_VPD_KEYWORD('R', 'V'))
331 			continue;
332 
333 		scont = 0;
334 		_NOTE(CONSTANTCONDITION)
335 		while (1) {
336 			if ((rc = efx_vpd_hunk_next(
337 			    enp->en_u.siena.enu_svpd,
338 			    enp->en_u.siena.enu_svpd_length, &stag, &skey,
339 			    NULL, NULL, &scont)) != 0)
340 				goto fail3;
341 			if (scont == 0)
342 				break;
343 
344 			if (stag == dtag && skey == dkey) {
345 				rc = EEXIST;
346 				goto fail4;
347 			}
348 		}
349 	}
350 
351 done:
352 	return (0);
353 
354 fail4:
355 	EFSYS_PROBE(fail4);
356 fail3:
357 	EFSYS_PROBE(fail3);
358 fail2:
359 	EFSYS_PROBE(fail2);
360 fail1:
361 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
362 
363 	return (rc);
364 }
365 
366 	__checkReturn		efx_rc_t
siena_vpd_reinit(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size)367 siena_vpd_reinit(
368 	__in			efx_nic_t *enp,
369 	__in_bcount(size)	caddr_t data,
370 	__in			size_t size)
371 {
372 	boolean_t wantpid;
373 	efx_rc_t rc;
374 
375 	/*
376 	 * Only create a PID if the dynamic cfg doesn't have one
377 	 */
378 	if (enp->en_u.siena.enu_svpd_length == 0)
379 		wantpid = B_TRUE;
380 	else {
381 		unsigned int offset;
382 		uint8_t length;
383 
384 		rc = efx_vpd_hunk_get(enp->en_u.siena.enu_svpd,
385 				    enp->en_u.siena.enu_svpd_length,
386 				    EFX_VPD_ID, 0, &offset, &length);
387 		if (rc == 0)
388 			wantpid = B_FALSE;
389 		else if (rc == ENOENT)
390 			wantpid = B_TRUE;
391 		else
392 			goto fail1;
393 	}
394 
395 	if ((rc = efx_vpd_hunk_reinit(data, size, wantpid)) != 0)
396 		goto fail2;
397 
398 	return (0);
399 
400 fail2:
401 	EFSYS_PROBE(fail2);
402 fail1:
403 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
404 
405 	return (rc);
406 }
407 
408 	__checkReturn		efx_rc_t
siena_vpd_get(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size,__inout efx_vpd_value_t * evvp)409 siena_vpd_get(
410 	__in			efx_nic_t *enp,
411 	__in_bcount(size)	caddr_t data,
412 	__in			size_t size,
413 	__inout			efx_vpd_value_t *evvp)
414 {
415 	unsigned int offset;
416 	uint8_t length;
417 	efx_rc_t rc;
418 
419 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
420 
421 	/* Attempt to satisfy the request from svpd first */
422 	if (enp->en_u.siena.enu_svpd_length > 0) {
423 		if ((rc = efx_vpd_hunk_get(enp->en_u.siena.enu_svpd,
424 		    enp->en_u.siena.enu_svpd_length, evvp->evv_tag,
425 		    evvp->evv_keyword, &offset, &length)) == 0) {
426 			evvp->evv_length = length;
427 			(void) memcpy(evvp->evv_value,
428 			    enp->en_u.siena.enu_svpd + offset, length);
429 			return (0);
430 		} else if (rc != ENOENT)
431 			goto fail1;
432 	}
433 
434 	/* And then from the provided data buffer */
435 	if ((rc = efx_vpd_hunk_get(data, size, evvp->evv_tag,
436 	    evvp->evv_keyword, &offset, &length)) != 0)
437 		goto fail2;
438 
439 	evvp->evv_length = length;
440 	(void) memcpy(evvp->evv_value, data + offset, length);
441 
442 	return (0);
443 
444 fail2:
445 	EFSYS_PROBE(fail2);
446 fail1:
447 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
448 
449 	return (rc);
450 }
451 
452 	__checkReturn		efx_rc_t
siena_vpd_set(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size,__in efx_vpd_value_t * evvp)453 siena_vpd_set(
454 	__in			efx_nic_t *enp,
455 	__in_bcount(size)	caddr_t data,
456 	__in			size_t size,
457 	__in			efx_vpd_value_t *evvp)
458 {
459 	efx_rc_t rc;
460 
461 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
462 
463 	/* If the provided (tag,keyword) exists in svpd, then it is readonly */
464 	if (enp->en_u.siena.enu_svpd_length > 0) {
465 		unsigned int offset;
466 		uint8_t length;
467 
468 		if ((rc = efx_vpd_hunk_get(enp->en_u.siena.enu_svpd,
469 		    enp->en_u.siena.enu_svpd_length, evvp->evv_tag,
470 		    evvp->evv_keyword, &offset, &length)) == 0) {
471 			rc = EACCES;
472 			goto fail1;
473 		}
474 	}
475 
476 	if ((rc = efx_vpd_hunk_set(data, size, evvp)) != 0)
477 		goto fail2;
478 
479 	return (0);
480 
481 fail2:
482 	EFSYS_PROBE(fail2);
483 fail1:
484 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
485 
486 	return (rc);
487 }
488 
489 	__checkReturn		efx_rc_t
siena_vpd_next(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size,__out efx_vpd_value_t * evvp,__inout unsigned int * contp)490 siena_vpd_next(
491 	__in			efx_nic_t *enp,
492 	__in_bcount(size)	caddr_t data,
493 	__in			size_t size,
494 	__out			efx_vpd_value_t *evvp,
495 	__inout			unsigned int *contp)
496 {
497 	_NOTE(ARGUNUSED(enp, data, size, evvp, contp))
498 
499 	return (ENOTSUP);
500 }
501 
502 	__checkReturn		efx_rc_t
siena_vpd_write(__in efx_nic_t * enp,__in_bcount (size)caddr_t data,__in size_t size)503 siena_vpd_write(
504 	__in			efx_nic_t *enp,
505 	__in_bcount(size)	caddr_t data,
506 	__in			size_t size)
507 {
508 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
509 	siena_mc_dynamic_config_hdr_t *dcfg = NULL;
510 	unsigned int vpd_offset;
511 	unsigned int dcfg_partn;
512 	unsigned int hdr_length;
513 	unsigned int pos;
514 	uint8_t cksum;
515 	size_t partn_size, dcfg_size;
516 	size_t vpd_length;
517 	efx_rc_t rc;
518 
519 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
520 
521 	/* Determine total length of all tags */
522 	if ((rc = efx_vpd_hunk_length(data, size, &vpd_length)) != 0)
523 		goto fail1;
524 
525 	/* Lock dynamic config sector for write, and read structure only */
526 	dcfg_partn = (emip->emi_port == 1)
527 		? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
528 		: MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
529 
530 	if ((rc = siena_nvram_partn_size(enp, dcfg_partn, &partn_size)) != 0)
531 		goto fail2;
532 
533 	if ((rc = siena_nvram_partn_lock(enp, dcfg_partn)) != 0)
534 		goto fail3;
535 
536 	if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
537 	    B_FALSE, &dcfg, &dcfg_size)) != 0)
538 		goto fail4;
539 
540 	hdr_length = EFX_WORD_FIELD(dcfg->length, EFX_WORD_0);
541 
542 	/* Allocated memory should have room for the new VPD */
543 	if (hdr_length + vpd_length > dcfg_size) {
544 		rc = ENOSPC;
545 		goto fail5;
546 	}
547 
548 	/* Copy in new vpd and update header */
549 	vpd_offset = dcfg_size - vpd_length;
550 	EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_offset, EFX_DWORD_0, vpd_offset);
551 	(void) memcpy((caddr_t)dcfg + vpd_offset, data, vpd_length);
552 	EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_length, EFX_DWORD_0, vpd_length);
553 
554 	/* Update the checksum */
555 	cksum = 0;
556 	for (pos = 0; pos < hdr_length; pos++)
557 		cksum += ((uint8_t *)dcfg)[pos];
558 	dcfg->csum.eb_u8[0] -= cksum;
559 
560 	/* Erase and write the new sector */
561 	if ((rc = siena_nvram_partn_erase(enp, dcfg_partn, 0, partn_size)) != 0)
562 		goto fail6;
563 
564 	/* Write out the new structure to nvram */
565 	if ((rc = siena_nvram_partn_write(enp, dcfg_partn, 0, (caddr_t)dcfg,
566 	    vpd_offset + vpd_length)) != 0)
567 		goto fail7;
568 
569 	EFSYS_KMEM_FREE(enp->en_esip, dcfg_size, dcfg);
570 
571 	siena_nvram_partn_unlock(enp, dcfg_partn);
572 
573 	return (0);
574 
575 fail7:
576 	EFSYS_PROBE(fail7);
577 fail6:
578 	EFSYS_PROBE(fail6);
579 fail5:
580 	EFSYS_PROBE(fail5);
581 
582 	EFSYS_KMEM_FREE(enp->en_esip, dcfg_size, dcfg);
583 fail4:
584 	EFSYS_PROBE(fail4);
585 
586 	siena_nvram_partn_unlock(enp, dcfg_partn);
587 fail3:
588 	EFSYS_PROBE(fail3);
589 fail2:
590 	EFSYS_PROBE(fail2);
591 fail1:
592 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
593 
594 	return (rc);
595 }
596 
597 				void
siena_vpd_fini(__in efx_nic_t * enp)598 siena_vpd_fini(
599 	__in			efx_nic_t *enp)
600 {
601 	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
602 
603 	if (enp->en_u.siena.enu_svpd_length > 0) {
604 		EFSYS_KMEM_FREE(enp->en_esip, enp->en_u.siena.enu_svpd_length,
605 				enp->en_u.siena.enu_svpd);
606 
607 		enp->en_u.siena.enu_svpd = NULL;
608 		enp->en_u.siena.enu_svpd_length = 0;
609 	}
610 }
611 
612 #endif	/* EFSYS_OPT_SIENA */
613 
614 #endif	/* EFSYS_OPT_VPD */
615