2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2009-2016 Solarflare Communications Inc.
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8 * modification, are permitted provided that the following conditions are met:
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11 * this list of conditions and the following disclaimer.
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13 * this list of conditions and the following disclaimer in the documentation
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33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
41 #if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
43 __checkReturn efx_rc_t
44 siena_nvram_partn_size(
51 if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
56 if ((rc = efx_mcdi_nvram_info(enp, partn, sizep,
57 NULL, NULL, NULL)) != 0) {
66 EFSYS_PROBE1(fail1, efx_rc_t, rc);
71 __checkReturn efx_rc_t
72 siena_nvram_partn_lock(
78 if ((rc = efx_mcdi_nvram_update_start(enp, partn)) != 0) {
85 EFSYS_PROBE1(fail1, efx_rc_t, rc);
90 __checkReturn efx_rc_t
91 siena_nvram_partn_read(
94 __in unsigned int offset,
95 __out_bcount(size) caddr_t data,
102 chunk = MIN(size, SIENA_NVRAM_CHUNK);
104 if ((rc = efx_mcdi_nvram_read(enp, partn, offset, data, chunk,
105 MC_CMD_NVRAM_READ_IN_V2_DEFAULT)) != 0) {
117 EFSYS_PROBE1(fail1, efx_rc_t, rc);
122 __checkReturn efx_rc_t
123 siena_nvram_partn_erase(
126 __in unsigned int offset,
131 if ((rc = efx_mcdi_nvram_erase(enp, partn, offset, size)) != 0) {
138 EFSYS_PROBE1(fail1, efx_rc_t, rc);
143 __checkReturn efx_rc_t
144 siena_nvram_partn_write(
147 __in unsigned int offset,
148 __out_bcount(size) caddr_t data,
155 chunk = MIN(size, SIENA_NVRAM_CHUNK);
157 if ((rc = efx_mcdi_nvram_write(enp, partn, offset,
158 data, chunk)) != 0) {
170 EFSYS_PROBE1(fail1, efx_rc_t, rc);
175 __checkReturn efx_rc_t
176 siena_nvram_partn_unlock(
184 * Reboot into the new image only for PHYs. The driver has to
185 * explicitly cope with an MC reboot after a firmware update.
187 reboot = (partn == MC_CMD_NVRAM_TYPE_PHY_PORT0 ||
188 partn == MC_CMD_NVRAM_TYPE_PHY_PORT1 ||
189 partn == MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO);
191 rc = efx_mcdi_nvram_update_finish(enp, partn, reboot, NULL);
198 EFSYS_PROBE1(fail1, efx_rc_t, rc);
203 #endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */
207 typedef struct siena_parttbl_entry_s {
210 efx_nvram_type_t nvtype;
211 } siena_parttbl_entry_t;
213 static siena_parttbl_entry_t siena_parttbl[] = {
214 {MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO, 1, EFX_NVRAM_NULLPHY},
215 {MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO, 2, EFX_NVRAM_NULLPHY},
216 {MC_CMD_NVRAM_TYPE_MC_FW, 1, EFX_NVRAM_MC_FIRMWARE},
217 {MC_CMD_NVRAM_TYPE_MC_FW, 2, EFX_NVRAM_MC_FIRMWARE},
218 {MC_CMD_NVRAM_TYPE_MC_FW_BACKUP, 1, EFX_NVRAM_MC_GOLDEN},
219 {MC_CMD_NVRAM_TYPE_MC_FW_BACKUP, 2, EFX_NVRAM_MC_GOLDEN},
220 {MC_CMD_NVRAM_TYPE_EXP_ROM, 1, EFX_NVRAM_BOOTROM},
221 {MC_CMD_NVRAM_TYPE_EXP_ROM, 2, EFX_NVRAM_BOOTROM},
222 {MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0, 1, EFX_NVRAM_BOOTROM_CFG},
223 {MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1, 2, EFX_NVRAM_BOOTROM_CFG},
224 {MC_CMD_NVRAM_TYPE_PHY_PORT0, 1, EFX_NVRAM_PHY},
225 {MC_CMD_NVRAM_TYPE_PHY_PORT1, 2, EFX_NVRAM_PHY},
226 {MC_CMD_NVRAM_TYPE_FPGA, 1, EFX_NVRAM_FPGA},
227 {MC_CMD_NVRAM_TYPE_FPGA, 2, EFX_NVRAM_FPGA},
228 {MC_CMD_NVRAM_TYPE_FPGA_BACKUP, 1, EFX_NVRAM_FPGA_BACKUP},
229 {MC_CMD_NVRAM_TYPE_FPGA_BACKUP, 2, EFX_NVRAM_FPGA_BACKUP},
230 {MC_CMD_NVRAM_TYPE_FC_FW, 1, EFX_NVRAM_FCFW},
231 {MC_CMD_NVRAM_TYPE_FC_FW, 2, EFX_NVRAM_FCFW},
232 {MC_CMD_NVRAM_TYPE_CPLD, 1, EFX_NVRAM_CPLD},
233 {MC_CMD_NVRAM_TYPE_CPLD, 2, EFX_NVRAM_CPLD},
234 {MC_CMD_NVRAM_TYPE_LICENSE, 1, EFX_NVRAM_LICENSE},
235 {MC_CMD_NVRAM_TYPE_LICENSE, 2, EFX_NVRAM_LICENSE}
238 __checkReturn efx_rc_t
239 siena_nvram_type_to_partn(
241 __in efx_nvram_type_t type,
242 __out uint32_t *partnp)
244 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
247 EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
248 EFSYS_ASSERT(partnp != NULL);
250 for (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
251 siena_parttbl_entry_t *entry = &siena_parttbl[i];
253 if (entry->port == emip->emi_port && entry->nvtype == type) {
254 *partnp = entry->partn;
265 __checkReturn efx_rc_t
269 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
270 siena_parttbl_entry_t *entry;
275 * Iterate over the list of supported partition types
276 * applicable to *this* port
278 for (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
279 entry = &siena_parttbl[i];
281 if (entry->port != emip->emi_port ||
282 !(enp->en_u.siena.enu_partn_mask & (1 << entry->partn)))
285 if ((rc = efx_mcdi_nvram_test(enp, entry->partn)) != 0) {
293 EFSYS_PROBE1(fail1, efx_rc_t, rc);
298 #endif /* EFSYS_OPT_DIAG */
301 #define SIENA_DYNAMIC_CFG_SIZE(_nitems) \
302 (sizeof (siena_mc_dynamic_config_hdr_t) + ((_nitems) * \
303 sizeof (((siena_mc_dynamic_config_hdr_t *)NULL)->fw_version[0])))
305 __checkReturn efx_rc_t
306 siena_nvram_get_dynamic_cfg(
310 __out siena_mc_dynamic_config_hdr_t **dcfgp,
313 siena_mc_dynamic_config_hdr_t *dcfg = NULL;
316 unsigned int vpd_offset;
317 unsigned int vpd_length;
318 unsigned int hdr_length;
319 unsigned int nversions;
324 EFSYS_ASSERT(partn == MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0 ||
325 partn == MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1);
328 * Allocate sufficient memory for the entire dynamiccfg area, even
329 * if we're not actually going to read in the VPD.
331 if ((rc = siena_nvram_partn_size(enp, partn, &size)) != 0)
334 EFSYS_KMEM_ALLOC(enp->en_esip, size, dcfg);
340 if ((rc = siena_nvram_partn_read(enp, partn, 0,
341 (caddr_t)dcfg, SIENA_NVRAM_CHUNK)) != 0)
344 /* Verify the magic */
345 if (EFX_DWORD_FIELD(dcfg->magic, EFX_DWORD_0)
346 != SIENA_MC_DYNAMIC_CONFIG_MAGIC)
349 /* All future versions of the structure must be backwards compatible */
350 EFX_STATIC_ASSERT(SIENA_MC_DYNAMIC_CONFIG_VERSION == 0);
352 hdr_length = EFX_WORD_FIELD(dcfg->length, EFX_WORD_0);
353 nversions = EFX_DWORD_FIELD(dcfg->num_fw_version_items, EFX_DWORD_0);
354 vpd_offset = EFX_DWORD_FIELD(dcfg->dynamic_vpd_offset, EFX_DWORD_0);
355 vpd_length = EFX_DWORD_FIELD(dcfg->dynamic_vpd_length, EFX_DWORD_0);
357 /* Verify the hdr doesn't overflow the partn size */
358 if (hdr_length > size || vpd_offset > size || vpd_length > size ||
359 vpd_length + vpd_offset > size)
362 /* Verify the header has room for all it's versions */
363 if (hdr_length < SIENA_DYNAMIC_CFG_SIZE(0) ||
364 hdr_length < SIENA_DYNAMIC_CFG_SIZE(nversions))
368 * Read the remaining portion of the dcfg, either including
369 * the whole of VPD (there is no vpd length in this structure,
370 * so we have to parse each tag), or just the dcfg header itself
372 region = vpd ? vpd_offset + vpd_length : hdr_length;
373 if (region > SIENA_NVRAM_CHUNK) {
374 if ((rc = siena_nvram_partn_read(enp, partn, SIENA_NVRAM_CHUNK,
375 (caddr_t)dcfg + SIENA_NVRAM_CHUNK,
376 region - SIENA_NVRAM_CHUNK)) != 0)
380 /* Verify checksum */
382 for (pos = 0; pos < hdr_length; pos++)
383 cksum += ((uint8_t *)dcfg)[pos];
390 EFSYS_PROBE(invalid4);
392 EFSYS_PROBE(invalid3);
394 EFSYS_PROBE(invalid2);
396 EFSYS_PROBE(invalid1);
399 * Construct a new "null" dcfg, with an empty version vector,
400 * and an empty VPD chunk trailing. This has the neat side effect
401 * of testing the exception paths in the write path.
403 EFX_POPULATE_DWORD_1(dcfg->magic,
404 EFX_DWORD_0, SIENA_MC_DYNAMIC_CONFIG_MAGIC);
405 EFX_POPULATE_WORD_1(dcfg->length, EFX_WORD_0, sizeof (*dcfg));
406 EFX_POPULATE_BYTE_1(dcfg->version, EFX_BYTE_0,
407 SIENA_MC_DYNAMIC_CONFIG_VERSION);
408 EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_offset,
409 EFX_DWORD_0, sizeof (*dcfg));
410 EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_length, EFX_DWORD_0, 0);
411 EFX_POPULATE_DWORD_1(dcfg->num_fw_version_items, EFX_DWORD_0, 0);
424 EFSYS_KMEM_FREE(enp->en_esip, size, dcfg);
429 EFSYS_PROBE1(fail1, efx_rc_t, rc);
434 __checkReturn efx_rc_t
435 siena_nvram_get_subtype(
438 __out uint32_t *subtypep)
441 uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
442 MC_CMD_GET_BOARD_CFG_OUT_LENMAX)];
446 (void) memset(payload, 0, sizeof (payload));
447 req.emr_cmd = MC_CMD_GET_BOARD_CFG;
448 req.emr_in_buf = payload;
449 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
450 req.emr_out_buf = payload;
451 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMAX;
453 efx_mcdi_execute(enp, &req);
455 if (req.emr_rc != 0) {
460 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) {
465 if (req.emr_out_length_used <
466 MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST +
467 (partn + 1) * sizeof (efx_word_t)) {
472 fw_list = MCDI_OUT2(req, efx_word_t,
473 GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST);
474 *subtypep = EFX_WORD_FIELD(fw_list[partn], EFX_WORD_0);
483 EFSYS_PROBE1(fail1, efx_rc_t, rc);
488 __checkReturn efx_rc_t
489 siena_nvram_partn_get_version(
492 __out uint32_t *subtypep,
493 __out_ecount(4) uint16_t version[4])
495 siena_mc_dynamic_config_hdr_t *dcfg;
496 siena_parttbl_entry_t *entry;
501 if ((1 << partn) & ~enp->en_u.siena.enu_partn_mask) {
506 if ((rc = siena_nvram_get_subtype(enp, partn, subtypep)) != 0)
510 * Some partitions are accessible from both ports (for instance BOOTROM)
511 * Find the highest version reported by all dcfg structures on ports
512 * that have access to this partition.
514 version[0] = version[1] = version[2] = version[3] = 0;
515 for (i = 0; i < EFX_ARRAY_SIZE(siena_parttbl); i++) {
516 siena_mc_fw_version_t *verp;
521 entry = &siena_parttbl[i];
522 if (entry->partn != partn)
525 dcfg_partn = (entry->port == 1)
526 ? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
527 : MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
529 * Ingore missing partitions on port 2, assuming they're due
530 * to to running on a single port part.
532 if ((1 << dcfg_partn) & ~enp->en_u.siena.enu_partn_mask) {
533 if (entry->port == 2)
537 if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
538 B_FALSE, &dcfg, &length)) != 0)
541 nitems = EFX_DWORD_FIELD(dcfg->num_fw_version_items,
543 if (nitems < entry->partn)
546 verp = &dcfg->fw_version[partn];
547 temp[0] = EFX_WORD_FIELD(verp->version_w, EFX_WORD_0);
548 temp[1] = EFX_WORD_FIELD(verp->version_x, EFX_WORD_0);
549 temp[2] = EFX_WORD_FIELD(verp->version_y, EFX_WORD_0);
550 temp[3] = EFX_WORD_FIELD(verp->version_z, EFX_WORD_0);
551 if (memcmp(version, temp, sizeof (temp)) < 0)
552 memcpy(version, temp, sizeof (temp));
555 EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
565 EFSYS_PROBE1(fail1, efx_rc_t, rc);
570 __checkReturn efx_rc_t
571 siena_nvram_partn_rw_start(
574 __out size_t *chunk_sizep)
578 if ((rc = siena_nvram_partn_lock(enp, partn)) != 0)
581 if (chunk_sizep != NULL)
582 *chunk_sizep = SIENA_NVRAM_CHUNK;
587 EFSYS_PROBE1(fail1, efx_rc_t, rc);
592 __checkReturn efx_rc_t
593 siena_nvram_partn_rw_finish(
599 if ((rc = siena_nvram_partn_unlock(enp, partn)) != 0)
605 EFSYS_PROBE1(fail1, efx_rc_t, rc);
610 __checkReturn efx_rc_t
611 siena_nvram_partn_set_version(
614 __in_ecount(4) uint16_t version[4])
616 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
617 siena_mc_dynamic_config_hdr_t *dcfg = NULL;
618 siena_mc_fw_version_t *fwverp;
621 unsigned int hdr_length;
622 unsigned int vpd_length;
623 unsigned int vpd_offset;
625 unsigned int required_hdr_length;
632 dcfg_partn = (emip->emi_port == 1)
633 ? MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0
634 : MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1;
636 if ((rc = siena_nvram_partn_size(enp, dcfg_partn, &dcfg_size)) != 0)
639 if ((rc = siena_nvram_partn_lock(enp, dcfg_partn)) != 0)
642 if ((rc = siena_nvram_get_dynamic_cfg(enp, dcfg_partn,
643 B_TRUE, &dcfg, &length)) != 0)
646 hdr_length = EFX_WORD_FIELD(dcfg->length, EFX_WORD_0);
647 nitems = EFX_DWORD_FIELD(dcfg->num_fw_version_items, EFX_DWORD_0);
648 vpd_length = EFX_DWORD_FIELD(dcfg->dynamic_vpd_length, EFX_DWORD_0);
649 vpd_offset = EFX_DWORD_FIELD(dcfg->dynamic_vpd_offset, EFX_DWORD_0);
652 * NOTE: This function will blatt any fields trailing the version
653 * vector, or the VPD chunk.
655 required_hdr_length = SIENA_DYNAMIC_CFG_SIZE(partn + 1);
656 if (required_hdr_length + vpd_length > length) {
661 if (vpd_offset < required_hdr_length) {
662 (void) memmove((caddr_t)dcfg + required_hdr_length,
663 (caddr_t)dcfg + vpd_offset, vpd_length);
664 vpd_offset = required_hdr_length;
665 EFX_POPULATE_DWORD_1(dcfg->dynamic_vpd_offset,
666 EFX_DWORD_0, vpd_offset);
669 if (hdr_length < required_hdr_length) {
670 (void) memset((caddr_t)dcfg + hdr_length, 0,
671 required_hdr_length - hdr_length);
672 hdr_length = required_hdr_length;
673 EFX_POPULATE_WORD_1(dcfg->length,
674 EFX_WORD_0, hdr_length);
677 /* Get the subtype to insert into the fw_subtype array */
678 if ((rc = siena_nvram_get_subtype(enp, partn, &subtype)) != 0)
681 /* Fill out the new version */
682 fwverp = &dcfg->fw_version[partn];
683 EFX_POPULATE_DWORD_1(fwverp->fw_subtype, EFX_DWORD_0, subtype);
684 EFX_POPULATE_WORD_1(fwverp->version_w, EFX_WORD_0, version[0]);
685 EFX_POPULATE_WORD_1(fwverp->version_x, EFX_WORD_0, version[1]);
686 EFX_POPULATE_WORD_1(fwverp->version_y, EFX_WORD_0, version[2]);
687 EFX_POPULATE_WORD_1(fwverp->version_z, EFX_WORD_0, version[3]);
689 /* Update the version count */
690 if (nitems < partn + 1) {
692 EFX_POPULATE_DWORD_1(dcfg->num_fw_version_items,
693 EFX_DWORD_0, nitems);
696 /* Update the checksum */
698 for (pos = 0; pos < hdr_length; pos++)
699 cksum += ((uint8_t *)dcfg)[pos];
700 dcfg->csum.eb_u8[0] -= cksum;
702 /* Erase and write the new partition */
703 if ((rc = siena_nvram_partn_erase(enp, dcfg_partn, 0, dcfg_size)) != 0)
706 /* Write out the new structure to nvram */
707 if ((rc = siena_nvram_partn_write(enp, dcfg_partn, 0,
708 (caddr_t)dcfg, vpd_offset + vpd_length)) != 0)
711 EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
713 siena_nvram_partn_unlock(enp, dcfg_partn);
726 EFSYS_KMEM_FREE(enp->en_esip, length, dcfg);
732 EFSYS_PROBE1(fail1, efx_rc_t, rc);
737 #endif /* EFSYS_OPT_NVRAM */
739 #endif /* EFSYS_OPT_SIENA */