2 * Copyright (c) 2009-2015 Solarflare Communications Inc.
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6 * modification, are permitted provided that the following conditions are met:
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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
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14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
40 #if EFSYS_OPT_HUNTINGTON
42 #include "ef10_tlv_layout.h"
44 __checkReturn efx_rc_t
54 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
55 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
56 enp->en_family == EFX_FAMILY_MEDFORD);
58 if (enp->en_nic_cfg.enc_vpd_is_global) {
59 tag = TLV_TAG_GLOBAL_STATIC_VPD;
61 pci_pf = enp->en_nic_cfg.enc_pf;
62 tag = TLV_TAG_PF_STATIC_VPD(pci_pf);
66 * The VPD interface exposes VPD resources from the combined static and
67 * dynamic VPD storage. As the static VPD configuration should *never*
68 * change, we can cache it.
72 rc = ef10_nvram_partn_read_tlv(enp,
73 NVRAM_PARTITION_TYPE_STATIC_CONFIG,
74 tag, &svpd, &svpd_size);
77 /* Unpriviledged functions cannot access VPD */
83 if (svpd != NULL && svpd_size > 0) {
84 if ((rc = efx_vpd_hunk_verify(svpd, svpd_size, NULL)) != 0)
88 enp->en_arch.ef10.ena_svpd = svpd;
89 enp->en_arch.ef10.ena_svpd_length = svpd_size;
97 EFSYS_KMEM_FREE(enp->en_esip, svpd_size, svpd);
99 EFSYS_PROBE1(fail1, efx_rc_t, rc);
104 __checkReturn efx_rc_t
111 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
112 enp->en_family == EFX_FAMILY_MEDFORD);
115 * This function returns the total size the user should allocate
116 * for all VPD operations. We've already cached the static vpd,
117 * so we just need to return an upper bound on the dynamic vpd,
118 * which is the size of the DYNAMIC_CONFIG partition.
120 if ((rc = efx_mcdi_nvram_info(enp, NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG,
121 sizep, NULL, NULL, NULL)) != 0)
127 EFSYS_PROBE1(fail1, efx_rc_t, rc);
132 __checkReturn efx_rc_t
135 __out_bcount(size) caddr_t data,
144 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
145 enp->en_family == EFX_FAMILY_MEDFORD);
147 if (enp->en_nic_cfg.enc_vpd_is_global) {
148 tag = TLV_TAG_GLOBAL_DYNAMIC_VPD;
150 pci_pf = enp->en_nic_cfg.enc_pf;
151 tag = TLV_TAG_PF_DYNAMIC_VPD(pci_pf);
154 if ((rc = ef10_nvram_partn_read_tlv(enp,
155 NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG,
156 tag, &dvpd, &dvpd_size)) != 0)
159 if (dvpd_size > size) {
163 memcpy(data, dvpd, dvpd_size);
165 /* Pad data with all-1s, consistent with update operations */
166 memset(data + dvpd_size, 0xff, size - dvpd_size);
168 EFSYS_KMEM_FREE(enp->en_esip, dvpd_size, dvpd);
175 EFSYS_KMEM_FREE(enp->en_esip, dvpd_size, dvpd);
177 EFSYS_PROBE1(fail1, efx_rc_t, rc);
182 __checkReturn efx_rc_t
185 __in_bcount(size) caddr_t data,
190 efx_vpd_keyword_t skey;
191 efx_vpd_keyword_t dkey;
196 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
197 enp->en_family == EFX_FAMILY_MEDFORD);
200 * Strictly you could take the view that dynamic vpd is optional.
201 * Instead, to conform more closely to the read/verify/reinit()
202 * paradigm, we require dynamic vpd. ef10_vpd_reinit() will
203 * reinitialize it as required.
205 if ((rc = efx_vpd_hunk_verify(data, size, NULL)) != 0)
209 * Verify that there is no duplication between the static and
210 * dynamic cfg sectors.
212 if (enp->en_arch.ef10.ena_svpd_length == 0)
216 _NOTE(CONSTANTCONDITION)
218 if ((rc = efx_vpd_hunk_next(data, size, &dtag,
219 &dkey, NULL, NULL, &dcont)) != 0)
225 * Skip the RV keyword. It should be present in both the static
226 * and dynamic cfg sectors.
228 if (dtag == EFX_VPD_RO && dkey == EFX_VPD_KEYWORD('R', 'V'))
232 _NOTE(CONSTANTCONDITION)
234 if ((rc = efx_vpd_hunk_next(
235 enp->en_arch.ef10.ena_svpd,
236 enp->en_arch.ef10.ena_svpd_length, &stag, &skey,
237 NULL, NULL, &scont)) != 0)
242 if (stag == dtag && skey == dkey) {
259 EFSYS_PROBE1(fail1, efx_rc_t, rc);
264 __checkReturn efx_rc_t
267 __in_bcount(size) caddr_t data,
274 * Only create an ID string if the dynamic cfg doesn't have one
276 if (enp->en_arch.ef10.ena_svpd_length == 0)
282 rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd,
283 enp->en_arch.ef10.ena_svpd_length,
284 EFX_VPD_ID, 0, &offset, &length);
287 else if (rc == ENOENT)
293 if ((rc = efx_vpd_hunk_reinit(data, size, wantpid)) != 0)
301 EFSYS_PROBE1(fail1, efx_rc_t, rc);
306 __checkReturn efx_rc_t
309 __in_bcount(size) caddr_t data,
311 __inout efx_vpd_value_t *evvp)
317 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
318 enp->en_family == EFX_FAMILY_MEDFORD);
320 /* Attempt to satisfy the request from svpd first */
321 if (enp->en_arch.ef10.ena_svpd_length > 0) {
322 if ((rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd,
323 enp->en_arch.ef10.ena_svpd_length, evvp->evv_tag,
324 evvp->evv_keyword, &offset, &length)) == 0) {
325 evvp->evv_length = length;
326 memcpy(evvp->evv_value,
327 enp->en_arch.ef10.ena_svpd + offset, length);
329 } else if (rc != ENOENT)
333 /* And then from the provided data buffer */
334 if ((rc = efx_vpd_hunk_get(data, size, evvp->evv_tag,
335 evvp->evv_keyword, &offset, &length)) != 0)
338 evvp->evv_length = length;
339 memcpy(evvp->evv_value, data + offset, length);
346 EFSYS_PROBE1(fail1, efx_rc_t, rc);
351 __checkReturn efx_rc_t
354 __in_bcount(size) caddr_t data,
356 __in efx_vpd_value_t *evvp)
360 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
361 enp->en_family == EFX_FAMILY_MEDFORD);
363 /* If the provided (tag,keyword) exists in svpd, then it is readonly */
364 if (enp->en_arch.ef10.ena_svpd_length > 0) {
368 if ((rc = efx_vpd_hunk_get(enp->en_arch.ef10.ena_svpd,
369 enp->en_arch.ef10.ena_svpd_length, evvp->evv_tag,
370 evvp->evv_keyword, &offset, &length)) == 0) {
376 if ((rc = efx_vpd_hunk_set(data, size, evvp)) != 0)
384 EFSYS_PROBE1(fail1, efx_rc_t, rc);
389 __checkReturn efx_rc_t
392 __in_bcount(size) caddr_t data,
394 __out efx_vpd_value_t *evvp,
395 __inout unsigned int *contp)
397 _NOTE(ARGUNUSED(enp, data, size, evvp, contp))
402 __checkReturn efx_rc_t
405 __in_bcount(size) caddr_t data,
413 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
414 enp->en_family == EFX_FAMILY_MEDFORD);
416 if (enp->en_nic_cfg.enc_vpd_is_global) {
417 tag = TLV_TAG_GLOBAL_DYNAMIC_VPD;
419 pci_pf = enp->en_nic_cfg.enc_pf;
420 tag = TLV_TAG_PF_DYNAMIC_VPD(pci_pf);
423 /* Determine total length of new dynamic VPD */
424 if ((rc = efx_vpd_hunk_length(data, size, &vpd_length)) != 0)
427 /* Store new dynamic VPD in all segments in DYNAMIC_CONFIG partition */
428 if ((rc = ef10_nvram_partn_write_segment_tlv(enp,
429 NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG,
430 tag, data, vpd_length, B_TRUE)) != 0) {
440 EFSYS_PROBE1(fail1, efx_rc_t, rc);
449 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
450 enp->en_family == EFX_FAMILY_MEDFORD);
452 if (enp->en_arch.ef10.ena_svpd_length > 0) {
453 EFSYS_KMEM_FREE(enp->en_esip, enp->en_arch.ef10.ena_svpd_length,
454 enp->en_arch.ef10.ena_svpd);
456 enp->en_arch.ef10.ena_svpd = NULL;
457 enp->en_arch.ef10.ena_svpd_length = 0;
461 #endif /* EFSYS_OPT_HUNTINGTON */
463 #endif /* EFSYS_OPT_VPD */