2 * Copyright (c) 2012-2016 Solarflare Communications Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
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.
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.
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.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
37 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
39 #if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
41 #include "ef10_tlv_layout.h"
43 /* Cursor for TLV partition format */
44 typedef struct tlv_cursor_s {
45 uint32_t *block; /* Base of data block */
46 uint32_t *current; /* Cursor position */
47 uint32_t *end; /* End tag position */
48 uint32_t *limit; /* Last dword of data block */
51 typedef struct nvram_partition_s {
56 * The full length of the NVRAM partition.
57 * This is different from tlv_partition_header.total_length,
58 * which can be smaller.
63 tlv_cursor_t tlv_cursor;
67 static __checkReturn efx_rc_t
69 __inout tlv_cursor_t *cursor);
74 __out uint32_t *block)
76 *block = __CPU_TO_LE_32(TLV_TAG_END);
81 __in tlv_cursor_t *cursor)
85 dword = cursor->current[0];
86 tag = __LE_TO_CPU_32(dword);
93 __in tlv_cursor_t *cursor)
95 uint32_t dword, length;
97 if (tlv_tag(cursor) == TLV_TAG_END)
100 dword = cursor->current[1];
101 length = __LE_TO_CPU_32(dword);
103 return ((size_t)length);
108 __in tlv_cursor_t *cursor)
110 if (tlv_tag(cursor) == TLV_TAG_END)
113 return ((uint8_t *)(&cursor->current[2]));
118 __in tlv_cursor_t *cursor)
120 if (tlv_tag(cursor) == TLV_TAG_END)
123 return ((uint8_t *)cursor->current);
127 * TLV item DWORD length is tag + length + value (rounded up to DWORD)
128 * equivalent to tlv_n_words_for_len in mc-comms tlv.c
130 #define TLV_DWORD_COUNT(length) \
131 (1 + 1 + (((length) + sizeof (uint32_t) - 1) / sizeof (uint32_t)))
136 __in tlv_cursor_t *cursor)
140 length = tlv_length(cursor);
142 return (cursor->current + TLV_DWORD_COUNT(length));
145 static __checkReturn efx_rc_t
147 __inout tlv_cursor_t *cursor)
151 if ((rc = tlv_validate_state(cursor)) != 0)
154 if (cursor->current == cursor->end) {
155 /* No more tags after END tag */
156 cursor->current = NULL;
161 /* Advance to next item and validate */
162 cursor->current = tlv_next_item_ptr(cursor);
164 if ((rc = tlv_validate_state(cursor)) != 0)
174 EFSYS_PROBE1(fail1, efx_rc_t, rc);
181 __in tlv_cursor_t *cursor)
185 cursor->current = cursor->block;
187 if ((rc = tlv_validate_state(cursor)) != 0)
193 EFSYS_PROBE1(fail1, efx_rc_t, rc);
200 __inout tlv_cursor_t *cursor,
205 rc = tlv_rewind(cursor);
207 if (tlv_tag(cursor) == tag)
210 rc = tlv_advance(cursor);
215 static __checkReturn efx_rc_t
217 __inout tlv_cursor_t *cursor)
221 /* Check cursor position */
222 if (cursor->current < cursor->block) {
226 if (cursor->current > cursor->limit) {
231 if (tlv_tag(cursor) != TLV_TAG_END) {
232 /* Check current item has space for tag and length */
233 if (cursor->current > (cursor->limit - 2)) {
234 cursor->current = NULL;
239 /* Check we have value data for current item and another tag */
240 if (tlv_next_item_ptr(cursor) > (cursor->limit - 1)) {
241 cursor->current = NULL;
256 EFSYS_PROBE1(fail1, efx_rc_t, rc);
263 __out tlv_cursor_t *cursor,
264 __in uint32_t *block,
265 __in uint32_t *limit,
266 __in uint32_t *current)
268 cursor->block = block;
269 cursor->limit = limit;
271 cursor->current = current;
274 return (tlv_validate_state(cursor));
277 static __checkReturn efx_rc_t
278 tlv_init_cursor_from_size(
279 __out tlv_cursor_t *cursor,
285 limit = (uint32_t *)(block + size - sizeof (uint32_t));
286 return (tlv_init_cursor(cursor, (uint32_t *)block,
287 limit, (uint32_t *)block));
290 static __checkReturn efx_rc_t
291 tlv_init_cursor_at_offset(
292 __out tlv_cursor_t *cursor,
300 limit = (uint32_t *)(block + size - sizeof (uint32_t));
301 current = (uint32_t *)(block + offset);
302 return (tlv_init_cursor(cursor, (uint32_t *)block, limit, current));
305 static __checkReturn efx_rc_t
307 __inout tlv_cursor_t *cursor)
312 if (cursor->end == NULL) {
313 pos = cursor->current;
314 if ((rc = tlv_find(cursor, TLV_TAG_END)) != 0)
317 cursor->end = cursor->current;
318 cursor->current = pos;
324 EFSYS_PROBE1(fail1, efx_rc_t, rc);
330 tlv_block_length_used(
331 __inout tlv_cursor_t *cursor)
335 if ((rc = tlv_validate_state(cursor)) != 0)
338 if ((rc = tlv_require_end(cursor)) != 0)
341 /* Return space used (including the END tag) */
342 return (cursor->end + 1 - cursor->block) * sizeof (uint32_t);
347 EFSYS_PROBE1(fail1, efx_rc_t, rc);
353 tlv_last_segment_end(
354 __in tlv_cursor_t *cursor)
356 tlv_cursor_t segment_cursor;
357 uint32_t *last_segment_end = cursor->block;
358 uint32_t *segment_start = cursor->block;
361 * Go through each segment and check that it has an end tag. If there
362 * is no end tag then the previous segment was the last valid one,
363 * so return the pointer to its end tag.
366 if (tlv_init_cursor(&segment_cursor, segment_start,
367 cursor->limit, segment_start) != 0)
369 if (tlv_require_end(&segment_cursor) != 0)
371 last_segment_end = segment_cursor.end;
372 segment_start = segment_cursor.end + 1;
375 return (last_segment_end);
381 __in tlv_cursor_t *cursor,
383 __in_bcount(size) uint8_t *data,
389 ptr = cursor->current;
391 *ptr++ = __CPU_TO_LE_32(tag);
392 *ptr++ = __CPU_TO_LE_32(len);
395 ptr[(len - 1) / sizeof (uint32_t)] = 0;
396 memcpy(ptr, data, len);
397 ptr += P2ROUNDUP(len, sizeof (uint32_t)) / sizeof (*ptr);
403 static __checkReturn efx_rc_t
405 __inout tlv_cursor_t *cursor,
412 uint32_t *last_segment_end;
415 if ((rc = tlv_validate_state(cursor)) != 0)
418 if ((rc = tlv_require_end(cursor)) != 0)
421 if (tag == TLV_TAG_END) {
426 last_segment_end = tlv_last_segment_end(cursor);
428 delta = TLV_DWORD_COUNT(size);
429 if (last_segment_end + 1 + delta > cursor->limit) {
434 /* Move data up: new space at cursor->current */
435 memmove(cursor->current + delta, cursor->current,
436 (last_segment_end + 1 - cursor->current) * sizeof (uint32_t));
438 /* Adjust the end pointer */
439 cursor->end += delta;
441 /* Write new TLV item */
442 tlv_write(cursor, tag, data, size);
453 EFSYS_PROBE1(fail1, efx_rc_t, rc);
458 static __checkReturn efx_rc_t
460 __inout tlv_cursor_t *cursor)
463 uint32_t *last_segment_end;
466 if ((rc = tlv_validate_state(cursor)) != 0)
469 if (tlv_tag(cursor) == TLV_TAG_END) {
474 delta = TLV_DWORD_COUNT(tlv_length(cursor));
476 if ((rc = tlv_require_end(cursor)) != 0)
479 last_segment_end = tlv_last_segment_end(cursor);
481 /* Shuffle things down, destroying the item at cursor->current */
482 memmove(cursor->current, cursor->current + delta,
483 (last_segment_end + 1 - cursor->current) * sizeof (uint32_t));
484 /* Zero the new space at the end of the TLV chain */
485 memset(last_segment_end + 1 - delta, 0, delta * sizeof (uint32_t));
486 /* Adjust the end pointer */
487 cursor->end -= delta;
496 EFSYS_PROBE1(fail1, efx_rc_t, rc);
501 static __checkReturn efx_rc_t
503 __inout tlv_cursor_t *cursor,
510 unsigned int old_ndwords;
511 unsigned int new_ndwords;
513 uint32_t *last_segment_end;
516 if ((rc = tlv_validate_state(cursor)) != 0)
519 if (tlv_tag(cursor) == TLV_TAG_END) {
523 if (tlv_tag(cursor) != tag) {
528 old_ndwords = TLV_DWORD_COUNT(tlv_length(cursor));
529 new_ndwords = TLV_DWORD_COUNT(size);
531 if ((rc = tlv_require_end(cursor)) != 0)
534 last_segment_end = tlv_last_segment_end(cursor);
536 if (new_ndwords > old_ndwords) {
537 /* Expand space used for TLV item */
538 delta = new_ndwords - old_ndwords;
539 pos = cursor->current + old_ndwords;
541 if (last_segment_end + 1 + delta > cursor->limit) {
546 /* Move up: new space at (cursor->current + old_ndwords) */
547 memmove(pos + delta, pos,
548 (last_segment_end + 1 - pos) * sizeof (uint32_t));
550 /* Adjust the end pointer */
551 cursor->end += delta;
553 } else if (new_ndwords < old_ndwords) {
554 /* Shrink space used for TLV item */
555 delta = old_ndwords - new_ndwords;
556 pos = cursor->current + new_ndwords;
558 /* Move down: remove words at (cursor->current + new_ndwords) */
559 memmove(pos, pos + delta,
560 (last_segment_end + 1 - pos) * sizeof (uint32_t));
562 /* Zero the new space at the end of the TLV chain */
563 memset(last_segment_end + 1 - delta, 0,
564 delta * sizeof (uint32_t));
566 /* Adjust the end pointer */
567 cursor->end -= delta;
571 tlv_write(cursor, tag, data, size);
584 EFSYS_PROBE1(fail1, efx_rc_t, rc);
589 static uint32_t checksum_tlv_partition(
590 __in nvram_partition_t *partition)
592 tlv_cursor_t *cursor;
598 cursor = &partition->tlv_cursor;
599 len = tlv_block_length_used(cursor);
600 EFSYS_ASSERT3U((len & 3), ==, 0);
603 ptr = partition->data;
604 end = &ptr[len >> 2];
607 csum += __LE_TO_CPU_32(*ptr++);
612 static __checkReturn efx_rc_t
613 tlv_update_partition_len_and_cks(
614 __in tlv_cursor_t *cursor)
617 nvram_partition_t partition;
618 struct tlv_partition_header *header;
619 struct tlv_partition_trailer *trailer;
623 * We just modified the partition, so the total length may not be
624 * valid. Don't use tlv_find(), which performs some sanity checks
625 * that may fail here.
627 partition.data = cursor->block;
628 memcpy(&partition.tlv_cursor, cursor, sizeof (*cursor));
629 header = (struct tlv_partition_header *)partition.data;
631 if (__LE_TO_CPU_32(header->tag) != TLV_TAG_PARTITION_HEADER) {
635 new_len = tlv_block_length_used(&partition.tlv_cursor);
640 header->total_length = __CPU_TO_LE_32(new_len);
641 /* Ensure the modified partition always has a new generation count. */
642 header->generation = __CPU_TO_LE_32(
643 __LE_TO_CPU_32(header->generation) + 1);
645 trailer = (struct tlv_partition_trailer *)((uint8_t *)header +
646 new_len - sizeof (*trailer) - sizeof (uint32_t));
647 trailer->generation = header->generation;
648 trailer->checksum = __CPU_TO_LE_32(
649 __LE_TO_CPU_32(trailer->checksum) -
650 checksum_tlv_partition(&partition));
657 EFSYS_PROBE1(fail1, efx_rc_t, rc);
662 /* Validate buffer contents (before writing to flash) */
663 __checkReturn efx_rc_t
664 ef10_nvram_buffer_validate(
667 __in_bcount(partn_size) caddr_t partn_data,
668 __in size_t partn_size)
671 struct tlv_partition_header *header;
672 struct tlv_partition_trailer *trailer;
678 EFX_STATIC_ASSERT(sizeof (*header) <= EF10_NVRAM_CHUNK);
680 if ((partn_data == NULL) || (partn_size == 0)) {
685 /* The partition header must be the first item (at offset zero) */
686 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)partn_data,
691 if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
695 header = (struct tlv_partition_header *)tlv_item(&cursor);
697 /* Check TLV partition length (includes the END tag) */
698 total_length = __LE_TO_CPU_32(header->total_length);
699 if (total_length > partn_size) {
704 /* Check partition ends with PARTITION_TRAILER and END tags */
705 if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
709 trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
711 if ((rc = tlv_advance(&cursor)) != 0) {
715 if (tlv_tag(&cursor) != TLV_TAG_END) {
720 /* Check generation counts are consistent */
721 if (trailer->generation != header->generation) {
726 /* Verify partition checksum */
728 for (pos = 0; (size_t)pos < total_length; pos += sizeof (uint32_t)) {
729 cksum += *((uint32_t *)(partn_data + pos));
755 EFSYS_PROBE1(fail1, efx_rc_t, rc);
762 __checkReturn efx_rc_t
763 ef10_nvram_buffer_create(
765 __in uint16_t partn_type,
766 __in_bcount(partn_size) caddr_t partn_data,
767 __in size_t partn_size)
769 uint32_t *buf = (uint32_t *)partn_data;
772 struct tlv_partition_header header;
773 struct tlv_partition_trailer trailer;
775 unsigned int min_buf_size = sizeof (struct tlv_partition_header) +
776 sizeof (struct tlv_partition_trailer);
777 if (partn_size < min_buf_size) {
782 memset(buf, 0xff, partn_size);
785 if ((rc = tlv_init_cursor(&cursor, buf,
786 (uint32_t *)((uint8_t *)buf + partn_size),
791 header.tag = __CPU_TO_LE_32(TLV_TAG_PARTITION_HEADER);
792 header.length = __CPU_TO_LE_32(sizeof (header) - 8);
793 header.type_id = __CPU_TO_LE_16(partn_type);
795 header.generation = __CPU_TO_LE_32(1);
796 header.total_length = 0; /* This will be fixed below. */
797 if ((rc = tlv_insert(
798 &cursor, TLV_TAG_PARTITION_HEADER,
799 (uint8_t *)&header.type_id, sizeof (header) - 8)) != 0)
801 if ((rc = tlv_advance(&cursor)) != 0)
804 trailer.tag = __CPU_TO_LE_32(TLV_TAG_PARTITION_TRAILER);
805 trailer.length = __CPU_TO_LE_32(sizeof (trailer) - 8);
806 trailer.generation = header.generation;
807 trailer.checksum = 0; /* This will be fixed below. */
808 if ((rc = tlv_insert(&cursor, TLV_TAG_PARTITION_TRAILER,
809 (uint8_t *)&trailer.generation, sizeof (trailer) - 8)) != 0)
812 if ((rc = tlv_update_partition_len_and_cks(&cursor)) != 0)
815 /* Check that the partition is valid. */
816 if ((rc = ef10_nvram_buffer_validate(enp, partn_type,
817 partn_data, partn_size)) != 0)
835 EFSYS_PROBE1(fail1, efx_rc_t, rc);
842 __in uint32_t *position,
845 return (uint32_t)((uint8_t *)position - (uint8_t *)base);
848 __checkReturn efx_rc_t
849 ef10_nvram_buffer_find_item_start(
850 __in_bcount(buffer_size)
852 __in size_t buffer_size,
853 __out uint32_t *startp)
855 /* Read past partition header to find start address of the first key */
859 /* A PARTITION_HEADER tag must be the first item (at offset zero) */
860 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)bufferp,
861 buffer_size)) != 0) {
865 if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
870 if ((rc = tlv_advance(&cursor)) != 0) {
874 *startp = byte_offset(cursor.current, cursor.block);
876 if ((rc = tlv_require_end(&cursor)) != 0)
888 EFSYS_PROBE1(fail1, efx_rc_t, rc);
893 __checkReturn efx_rc_t
894 ef10_nvram_buffer_find_end(
895 __in_bcount(buffer_size)
897 __in size_t buffer_size,
898 __in uint32_t offset,
899 __out uint32_t *endp)
901 /* Read to end of partition */
904 uint32_t *segment_used;
906 _NOTE(ARGUNUSED(offset))
908 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)bufferp,
909 buffer_size)) != 0) {
914 segment_used = cursor.block;
917 * Go through each segment and check that it has an end tag. If there
918 * is no end tag then the previous segment was the last valid one,
919 * so return the used space including that end tag.
921 while (tlv_tag(&cursor) == TLV_TAG_PARTITION_HEADER) {
922 if (tlv_require_end(&cursor) != 0) {
923 if (segment_used == cursor.block) {
925 * First segment is corrupt, so there is
926 * no valid data in partition.
933 segment_used = cursor.end + 1;
935 cursor.current = segment_used;
937 /* Return space used (including the END tag) */
938 *endp = (segment_used - cursor.block) * sizeof (uint32_t);
945 EFSYS_PROBE1(fail1, efx_rc_t, rc);
950 __checkReturn __success(return != B_FALSE) boolean_t
951 ef10_nvram_buffer_find_item(
952 __in_bcount(buffer_size)
954 __in size_t buffer_size,
955 __in uint32_t offset,
956 __out uint32_t *startp,
957 __out uint32_t *lengthp)
959 /* Find TLV at offset and return key start and length */
964 if (tlv_init_cursor_at_offset(&cursor, (uint8_t *)bufferp,
965 buffer_size, offset) != 0) {
969 while ((key = tlv_item(&cursor)) != NULL) {
970 tag = tlv_tag(&cursor);
971 if (tag == TLV_TAG_PARTITION_HEADER ||
972 tag == TLV_TAG_PARTITION_TRAILER) {
973 if (tlv_advance(&cursor) != 0) {
978 *startp = byte_offset(cursor.current, cursor.block);
979 *lengthp = byte_offset(tlv_next_item_ptr(&cursor),
987 __checkReturn efx_rc_t
988 ef10_nvram_buffer_get_item(
989 __in_bcount(buffer_size)
991 __in size_t buffer_size,
992 __in uint32_t offset,
993 __in uint32_t length,
994 __out_bcount_part(item_max_size, *lengthp)
996 __in size_t item_max_size,
997 __out uint32_t *lengthp)
1000 tlv_cursor_t cursor;
1001 uint32_t item_length;
1003 if (item_max_size < length) {
1008 if ((rc = tlv_init_cursor_at_offset(&cursor, (uint8_t *)bufferp,
1009 buffer_size, offset)) != 0) {
1013 item_length = tlv_length(&cursor);
1014 if (length < item_length) {
1018 memcpy(itemp, tlv_value(&cursor), item_length);
1020 *lengthp = item_length;
1029 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1034 __checkReturn efx_rc_t
1035 ef10_nvram_buffer_insert_item(
1036 __in_bcount(buffer_size)
1038 __in size_t buffer_size,
1039 __in uint32_t offset,
1040 __in_bcount(length) caddr_t keyp,
1041 __in uint32_t length,
1042 __out uint32_t *lengthp)
1045 tlv_cursor_t cursor;
1047 if ((rc = tlv_init_cursor_at_offset(&cursor, (uint8_t *)bufferp,
1048 buffer_size, offset)) != 0) {
1052 rc = tlv_insert(&cursor, TLV_TAG_LICENSE, (uint8_t *)keyp, length);
1058 *lengthp = byte_offset(tlv_next_item_ptr(&cursor),
1066 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1071 __checkReturn efx_rc_t
1072 ef10_nvram_buffer_delete_item(
1073 __in_bcount(buffer_size)
1075 __in size_t buffer_size,
1076 __in uint32_t offset,
1077 __in uint32_t length,
1081 tlv_cursor_t cursor;
1083 _NOTE(ARGUNUSED(length, end))
1085 if ((rc = tlv_init_cursor_at_offset(&cursor, (uint8_t *)bufferp,
1086 buffer_size, offset)) != 0) {
1090 if ((rc = tlv_delete(&cursor)) != 0)
1098 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1103 __checkReturn efx_rc_t
1104 ef10_nvram_buffer_finish(
1105 __in_bcount(buffer_size)
1107 __in size_t buffer_size)
1110 tlv_cursor_t cursor;
1112 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)bufferp,
1113 buffer_size)) != 0) {
1118 if ((rc = tlv_require_end(&cursor)) != 0)
1121 if ((rc = tlv_update_partition_len_and_cks(&cursor)) != 0)
1131 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1139 * Read and validate a segment from a partition. A segment is a complete
1140 * tlv chain between PARTITION_HEADER and PARTITION_END tags. There may
1141 * be multiple segments in a partition, so seg_offset allows segments
1142 * beyond the first to be read.
1144 static __checkReturn efx_rc_t
1145 ef10_nvram_read_tlv_segment(
1146 __in efx_nic_t *enp,
1147 __in uint32_t partn,
1148 __in size_t seg_offset,
1149 __in_bcount(max_seg_size) caddr_t seg_data,
1150 __in size_t max_seg_size)
1152 tlv_cursor_t cursor;
1153 struct tlv_partition_header *header;
1154 struct tlv_partition_trailer *trailer;
1155 size_t total_length;
1160 EFX_STATIC_ASSERT(sizeof (*header) <= EF10_NVRAM_CHUNK);
1162 if ((seg_data == NULL) || (max_seg_size == 0)) {
1167 /* Read initial chunk of the segment, starting at offset */
1168 if ((rc = ef10_nvram_partn_read_mode(enp, partn, seg_offset, seg_data,
1170 MC_CMD_NVRAM_READ_IN_V2_TARGET_CURRENT)) != 0) {
1174 /* A PARTITION_HEADER tag must be the first item at the given offset */
1175 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)seg_data,
1176 max_seg_size)) != 0) {
1180 if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
1184 header = (struct tlv_partition_header *)tlv_item(&cursor);
1186 /* Check TLV segment length (includes the END tag) */
1187 total_length = __LE_TO_CPU_32(header->total_length);
1188 if (total_length > max_seg_size) {
1193 /* Read the remaining segment content */
1194 if (total_length > EF10_NVRAM_CHUNK) {
1195 if ((rc = ef10_nvram_partn_read_mode(enp, partn,
1196 seg_offset + EF10_NVRAM_CHUNK,
1197 seg_data + EF10_NVRAM_CHUNK,
1198 total_length - EF10_NVRAM_CHUNK,
1199 MC_CMD_NVRAM_READ_IN_V2_TARGET_CURRENT)) != 0)
1203 /* Check segment ends with PARTITION_TRAILER and END tags */
1204 if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
1208 trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
1210 if ((rc = tlv_advance(&cursor)) != 0) {
1214 if (tlv_tag(&cursor) != TLV_TAG_END) {
1219 /* Check data read from segment is consistent */
1220 if (trailer->generation != header->generation) {
1222 * The partition data may have been modified between successive
1223 * MCDI NVRAM_READ requests by the MC or another PCI function.
1225 * The caller must retry to obtain consistent partition data.
1231 /* Verify segment checksum */
1233 for (pos = 0; (size_t)pos < total_length; pos += sizeof (uint32_t)) {
1234 cksum += *((uint32_t *)(seg_data + pos));
1244 EFSYS_PROBE(fail11);
1246 EFSYS_PROBE(fail10);
1264 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1270 * Read a single TLV item from a host memory
1271 * buffer containing a TLV formatted segment.
1273 __checkReturn efx_rc_t
1274 ef10_nvram_buf_read_tlv(
1275 __in efx_nic_t *enp,
1276 __in_bcount(max_seg_size) caddr_t seg_data,
1277 __in size_t max_seg_size,
1279 __deref_out_bcount_opt(*sizep) caddr_t *datap,
1280 __out size_t *sizep)
1282 tlv_cursor_t cursor;
1288 if ((seg_data == NULL) || (max_seg_size == 0)) {
1293 /* Find requested TLV tag in segment data */
1294 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)seg_data,
1295 max_seg_size)) != 0) {
1299 if ((rc = tlv_find(&cursor, tag)) != 0) {
1303 value = (caddr_t)tlv_value(&cursor);
1304 length = tlv_length(&cursor);
1309 /* Copy out data from TLV item */
1310 EFSYS_KMEM_ALLOC(enp->en_esip, length, data);
1315 memcpy(data, value, length);
1330 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1335 /* Read a single TLV item from the first segment in a TLV formatted partition */
1336 __checkReturn efx_rc_t
1337 ef10_nvram_partn_read_tlv(
1338 __in efx_nic_t *enp,
1339 __in uint32_t partn,
1341 __deref_out_bcount_opt(*seg_sizep) caddr_t *seg_datap,
1342 __out size_t *seg_sizep)
1344 caddr_t seg_data = NULL;
1345 size_t partn_size = 0;
1351 /* Allocate sufficient memory for the entire partition */
1352 if ((rc = ef10_nvram_partn_size(enp, partn, &partn_size)) != 0)
1355 if (partn_size == 0) {
1360 EFSYS_KMEM_ALLOC(enp->en_esip, partn_size, seg_data);
1361 if (seg_data == NULL) {
1367 * Read the first segment in a TLV partition. Retry until consistent
1368 * segment contents are returned. Inconsistent data may be read if:
1369 * a) the segment contents are invalid
1370 * b) the MC has rebooted while we were reading the partition
1371 * c) the partition has been modified while we were reading it
1372 * Limit retry attempts to ensure forward progress.
1376 rc = ef10_nvram_read_tlv_segment(enp, partn, 0,
1377 seg_data, partn_size);
1378 } while ((rc == EAGAIN) && (--retry > 0));
1381 /* Failed to obtain consistent segment data */
1385 if ((rc = ef10_nvram_buf_read_tlv(enp, seg_data, partn_size,
1386 tag, &data, &length)) != 0)
1389 EFSYS_KMEM_FREE(enp->en_esip, partn_size, seg_data);
1392 *seg_sizep = length;
1401 EFSYS_KMEM_FREE(enp->en_esip, partn_size, seg_data);
1407 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1412 /* Compute the size of a segment. */
1413 static __checkReturn efx_rc_t
1414 ef10_nvram_buf_segment_size(
1415 __in caddr_t seg_data,
1416 __in size_t max_seg_size,
1417 __out size_t *seg_sizep)
1420 tlv_cursor_t cursor;
1421 struct tlv_partition_header *header;
1424 uint32_t *end_tag_position;
1425 uint32_t segment_length;
1427 /* A PARTITION_HEADER tag must be the first item at the given offset */
1428 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)seg_data,
1429 max_seg_size)) != 0) {
1433 if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
1437 header = (struct tlv_partition_header *)tlv_item(&cursor);
1439 /* Check TLV segment length (includes the END tag) */
1440 *seg_sizep = __LE_TO_CPU_32(header->total_length);
1441 if (*seg_sizep > max_seg_size) {
1446 /* Check segment ends with PARTITION_TRAILER and END tags */
1447 if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
1452 if ((rc = tlv_advance(&cursor)) != 0) {
1456 if (tlv_tag(&cursor) != TLV_TAG_END) {
1460 end_tag_position = cursor.current;
1462 /* Verify segment checksum */
1464 for (pos = 0; (size_t)pos < *seg_sizep; pos += sizeof (uint32_t)) {
1465 cksum += *((uint32_t *)(seg_data + pos));
1473 * Calculate total length from HEADER to END tags and compare to
1474 * max_seg_size and the total_length field in the HEADER tag.
1476 segment_length = tlv_block_length_used(&cursor);
1478 if (segment_length > max_seg_size) {
1483 if (segment_length != *seg_sizep) {
1488 /* Skip over the first HEADER tag. */
1489 rc = tlv_rewind(&cursor);
1490 rc = tlv_advance(&cursor);
1493 if (tlv_tag(&cursor) == TLV_TAG_END) {
1494 /* Check that the END tag is the one found earlier. */
1495 if (cursor.current != end_tag_position)
1499 /* Check for duplicate HEADER tags before the END tag. */
1500 if (tlv_tag(&cursor) == TLV_TAG_PARTITION_HEADER) {
1505 rc = tlv_advance(&cursor);
1513 EFSYS_PROBE(fail12);
1515 EFSYS_PROBE(fail11);
1517 EFSYS_PROBE(fail10);
1535 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1541 * Add or update a single TLV item in a host memory buffer containing a TLV
1542 * formatted segment. Historically partitions consisted of only one segment.
1544 __checkReturn efx_rc_t
1545 ef10_nvram_buf_write_tlv(
1546 __inout_bcount(max_seg_size) caddr_t seg_data,
1547 __in size_t max_seg_size,
1549 __in_bcount(tag_size) caddr_t tag_data,
1550 __in size_t tag_size,
1551 __out size_t *total_lengthp)
1553 tlv_cursor_t cursor;
1554 struct tlv_partition_header *header;
1555 struct tlv_partition_trailer *trailer;
1556 uint32_t generation;
1561 /* A PARTITION_HEADER tag must be the first item (at offset zero) */
1562 if ((rc = tlv_init_cursor_from_size(&cursor, (uint8_t *)seg_data,
1563 max_seg_size)) != 0) {
1567 if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
1571 header = (struct tlv_partition_header *)tlv_item(&cursor);
1573 /* Update the TLV chain to contain the new data */
1574 if ((rc = tlv_find(&cursor, tag)) == 0) {
1575 /* Modify existing TLV item */
1576 if ((rc = tlv_modify(&cursor, tag,
1577 (uint8_t *)tag_data, tag_size)) != 0)
1580 /* Insert a new TLV item before the PARTITION_TRAILER */
1581 rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER);
1586 if ((rc = tlv_insert(&cursor, tag,
1587 (uint8_t *)tag_data, tag_size)) != 0) {
1593 /* Find the trailer tag */
1594 if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
1598 trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
1600 /* Update PARTITION_HEADER and PARTITION_TRAILER fields */
1601 *total_lengthp = tlv_block_length_used(&cursor);
1602 if (*total_lengthp > max_seg_size) {
1606 generation = __LE_TO_CPU_32(header->generation) + 1;
1608 header->total_length = __CPU_TO_LE_32(*total_lengthp);
1609 header->generation = __CPU_TO_LE_32(generation);
1610 trailer->generation = __CPU_TO_LE_32(generation);
1612 /* Recompute PARTITION_TRAILER checksum */
1613 trailer->checksum = 0;
1615 for (pos = 0; (size_t)pos < *total_lengthp; pos += sizeof (uint32_t)) {
1616 cksum += *((uint32_t *)(seg_data + pos));
1618 trailer->checksum = ~cksum + 1;
1635 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1641 * Add or update a single TLV item in the first segment of a TLV formatted
1642 * dynamic config partition. The first segment is the current active
1645 __checkReturn efx_rc_t
1646 ef10_nvram_partn_write_tlv(
1647 __in efx_nic_t *enp,
1648 __in uint32_t partn,
1650 __in_bcount(size) caddr_t data,
1653 return ef10_nvram_partn_write_segment_tlv(enp, partn, tag, data,
1658 * Read a segment from nvram at the given offset into a buffer (segment_data)
1659 * and optionally write a new tag to it.
1661 static __checkReturn efx_rc_t
1662 ef10_nvram_segment_write_tlv(
1663 __in efx_nic_t *enp,
1664 __in uint32_t partn,
1666 __in_bcount(size) caddr_t data,
1668 __inout caddr_t *seg_datap,
1669 __inout size_t *partn_offsetp,
1670 __inout size_t *src_remain_lenp,
1671 __inout size_t *dest_remain_lenp,
1672 __in boolean_t write)
1676 size_t original_segment_size;
1677 size_t modified_segment_size;
1680 * Read the segment from NVRAM into the segment_data buffer and validate
1681 * it, returning if it does not validate. This is not a failure unless
1682 * this is the first segment in a partition. In this case the caller
1683 * must propagate the error.
1685 status = ef10_nvram_read_tlv_segment(enp, partn, *partn_offsetp,
1686 *seg_datap, *src_remain_lenp);
1692 status = ef10_nvram_buf_segment_size(*seg_datap,
1693 *src_remain_lenp, &original_segment_size);
1700 /* Update the contents of the segment in the buffer */
1701 if ((rc = ef10_nvram_buf_write_tlv(*seg_datap,
1702 *dest_remain_lenp, tag, data, size,
1703 &modified_segment_size)) != 0) {
1706 *dest_remain_lenp -= modified_segment_size;
1707 *seg_datap += modified_segment_size;
1710 * We won't modify this segment, but still need to update the
1711 * remaining lengths and pointers.
1713 *dest_remain_lenp -= original_segment_size;
1714 *seg_datap += original_segment_size;
1717 *partn_offsetp += original_segment_size;
1718 *src_remain_lenp -= original_segment_size;
1727 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1733 * Add or update a single TLV item in either the first segment or in all
1734 * segments in a TLV formatted dynamic config partition. Dynamic config
1735 * partitions on boards that support RFID are divided into a number of segments,
1736 * each formatted like a partition, with header, trailer and end tags. The first
1737 * segment is the current active configuration.
1739 * The segments are initialised by manftest and each contain a different
1740 * configuration e.g. firmware variant. The firmware can be instructed
1741 * via RFID to copy a segment to replace the first segment, hence changing the
1742 * active configuration. This allows ops to change the configuration of a board
1743 * prior to shipment using RFID.
1745 * Changes to the dynamic config may need to be written to all segments (e.g.
1746 * firmware versions) or just the first segment (changes to the active
1747 * configuration). See SF-111324-SW "The use of RFID in Solarflare Products".
1748 * If only the first segment is written the code still needs to be aware of the
1749 * possible presence of subsequent segments as writing to a segment may cause
1750 * its size to increase, which would overwrite the subsequent segments and
1753 __checkReturn efx_rc_t
1754 ef10_nvram_partn_write_segment_tlv(
1755 __in efx_nic_t *enp,
1756 __in uint32_t partn,
1758 __in_bcount(size) caddr_t data,
1760 __in boolean_t all_segments)
1762 size_t partn_size = 0;
1764 size_t total_length = 0;
1766 size_t current_offset = 0;
1767 size_t remaining_original_length;
1768 size_t remaining_modified_length;
1769 caddr_t segment_data;
1771 EFSYS_ASSERT3U(partn, ==, NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG);
1773 /* Allocate sufficient memory for the entire partition */
1774 if ((rc = ef10_nvram_partn_size(enp, partn, &partn_size)) != 0)
1777 EFSYS_KMEM_ALLOC(enp->en_esip, partn_size, partn_data);
1778 if (partn_data == NULL) {
1783 remaining_original_length = partn_size;
1784 remaining_modified_length = partn_size;
1785 segment_data = partn_data;
1787 /* Lock the partition */
1788 if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0)
1791 /* Iterate over each (potential) segment to update it. */
1793 boolean_t write = all_segments || current_offset == 0;
1795 rc = ef10_nvram_segment_write_tlv(enp, partn, tag, data, size,
1796 &segment_data, ¤t_offset, &remaining_original_length,
1797 &remaining_modified_length, write);
1799 if (current_offset == 0) {
1801 * If no data has been read then the first
1802 * segment is invalid, which is an error.
1808 } while (current_offset < partn_size);
1810 total_length = segment_data - partn_data;
1813 * We've run out of space. This should actually be dealt with by
1814 * ef10_nvram_buf_write_tlv returning ENOSPC.
1816 if (total_length > partn_size) {
1821 /* Erase the whole partition in NVRAM */
1822 if ((rc = ef10_nvram_partn_erase(enp, partn, 0, partn_size)) != 0)
1825 /* Write new partition contents from the buffer to NVRAM */
1826 if ((rc = ef10_nvram_partn_write(enp, partn, 0, partn_data,
1827 total_length)) != 0)
1830 /* Unlock the partition */
1831 ef10_nvram_partn_unlock(enp, partn, NULL);
1833 EFSYS_KMEM_FREE(enp->en_esip, partn_size, partn_data);
1846 ef10_nvram_partn_unlock(enp, partn, NULL);
1850 EFSYS_KMEM_FREE(enp->en_esip, partn_size, partn_data);
1854 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1860 * Get the size of a NVRAM partition. This is the total size allocated in nvram,
1861 * not the data used by the segments in the partition.
1863 __checkReturn efx_rc_t
1864 ef10_nvram_partn_size(
1865 __in efx_nic_t *enp,
1866 __in uint32_t partn,
1867 __out size_t *sizep)
1871 if ((rc = efx_mcdi_nvram_info(enp, partn, sizep,
1872 NULL, NULL, NULL)) != 0)
1878 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1883 __checkReturn efx_rc_t
1884 ef10_nvram_partn_lock(
1885 __in efx_nic_t *enp,
1886 __in uint32_t partn)
1890 if ((rc = efx_mcdi_nvram_update_start(enp, partn)) != 0)
1896 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1901 __checkReturn efx_rc_t
1902 ef10_nvram_partn_read_mode(
1903 __in efx_nic_t *enp,
1904 __in uint32_t partn,
1905 __in unsigned int offset,
1906 __out_bcount(size) caddr_t data,
1914 chunk = MIN(size, EF10_NVRAM_CHUNK);
1916 if ((rc = efx_mcdi_nvram_read(enp, partn, offset,
1917 data, chunk, mode)) != 0) {
1929 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1934 __checkReturn efx_rc_t
1935 ef10_nvram_partn_read(
1936 __in efx_nic_t *enp,
1937 __in uint32_t partn,
1938 __in unsigned int offset,
1939 __out_bcount(size) caddr_t data,
1943 * An A/B partition has two data stores (current and backup).
1944 * Read requests which come in through the EFX API expect to read the
1945 * current, active store of an A/B partition. For non A/B partitions,
1946 * there is only a single store and so the mode param is ignored.
1948 return ef10_nvram_partn_read_mode(enp, partn, offset, data, size,
1949 MC_CMD_NVRAM_READ_IN_V2_TARGET_CURRENT);
1952 __checkReturn efx_rc_t
1953 ef10_nvram_partn_read_backup(
1954 __in efx_nic_t *enp,
1955 __in uint32_t partn,
1956 __in unsigned int offset,
1957 __out_bcount(size) caddr_t data,
1961 * An A/B partition has two data stores (current and backup).
1962 * Read the backup store of an A/B partition (i.e. the store currently
1963 * being written to if the partition is locked).
1965 * This is needed when comparing the existing partition content to avoid
1966 * unnecessary writes, or to read back what has been written to check
1967 * that the writes have succeeded.
1969 return ef10_nvram_partn_read_mode(enp, partn, offset, data, size,
1970 MC_CMD_NVRAM_READ_IN_V2_TARGET_BACKUP);
1973 __checkReturn efx_rc_t
1974 ef10_nvram_partn_erase(
1975 __in efx_nic_t *enp,
1976 __in uint32_t partn,
1977 __in unsigned int offset,
1981 uint32_t erase_size;
1983 if ((rc = efx_mcdi_nvram_info(enp, partn, NULL, NULL,
1984 &erase_size, NULL)) != 0)
1987 if (erase_size == 0) {
1988 if ((rc = efx_mcdi_nvram_erase(enp, partn, offset, size)) != 0)
1991 if (size % erase_size != 0) {
1996 if ((rc = efx_mcdi_nvram_erase(enp, partn, offset,
1999 offset += erase_size;
2013 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2018 __checkReturn efx_rc_t
2019 ef10_nvram_partn_write(
2020 __in efx_nic_t *enp,
2021 __in uint32_t partn,
2022 __in unsigned int offset,
2023 __out_bcount(size) caddr_t data,
2027 uint32_t write_size;
2030 if ((rc = efx_mcdi_nvram_info(enp, partn, NULL, NULL,
2031 NULL, &write_size)) != 0)
2034 if (write_size != 0) {
2036 * Check that the size is a multiple of the write chunk size if
2037 * the write chunk size is available.
2039 if (size % write_size != 0) {
2044 write_size = EF10_NVRAM_CHUNK;
2048 chunk = MIN(size, write_size);
2050 if ((rc = efx_mcdi_nvram_write(enp, partn, offset,
2051 data, chunk)) != 0) {
2067 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2072 __checkReturn efx_rc_t
2073 ef10_nvram_partn_unlock(
2074 __in efx_nic_t *enp,
2075 __in uint32_t partn,
2076 __out_opt uint32_t *verify_resultp)
2078 boolean_t reboot = B_FALSE;
2081 if (verify_resultp != NULL)
2082 *verify_resultp = MC_CMD_NVRAM_VERIFY_RC_UNKNOWN;
2084 rc = efx_mcdi_nvram_update_finish(enp, partn, reboot, verify_resultp);
2091 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2096 __checkReturn efx_rc_t
2097 ef10_nvram_partn_set_version(
2098 __in efx_nic_t *enp,
2099 __in uint32_t partn,
2100 __in_ecount(4) uint16_t version[4])
2102 struct tlv_partition_version partn_version;
2106 /* Add or modify partition version TLV item */
2107 partn_version.version_w = __CPU_TO_LE_16(version[0]);
2108 partn_version.version_x = __CPU_TO_LE_16(version[1]);
2109 partn_version.version_y = __CPU_TO_LE_16(version[2]);
2110 partn_version.version_z = __CPU_TO_LE_16(version[3]);
2112 size = sizeof (partn_version) - (2 * sizeof (uint32_t));
2114 /* Write the version number to all segments in the partition */
2115 if ((rc = ef10_nvram_partn_write_segment_tlv(enp,
2116 NVRAM_PARTITION_TYPE_DYNAMIC_CONFIG,
2117 TLV_TAG_PARTITION_VERSION(partn),
2118 (caddr_t)&partn_version.version_w, size, B_TRUE)) != 0)
2124 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2129 #endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */
2133 typedef struct ef10_parttbl_entry_s {
2135 unsigned int port_mask;
2136 efx_nvram_type_t nvtype;
2137 } ef10_parttbl_entry_t;
2139 /* Port mask values */
2140 #define PORT_1 (1u << 1)
2141 #define PORT_2 (1u << 2)
2142 #define PORT_3 (1u << 3)
2143 #define PORT_4 (1u << 4)
2144 #define PORT_ALL (0xffffffffu)
2146 #define PARTN_MAP_ENTRY(partn, port_mask, nvtype) \
2147 { (NVRAM_PARTITION_TYPE_##partn), (PORT_##port_mask), (EFX_NVRAM_##nvtype) }
2149 /* Translate EFX NVRAM types to firmware partition types */
2150 static ef10_parttbl_entry_t hunt_parttbl[] = {
2151 /* partn ports nvtype */
2152 PARTN_MAP_ENTRY(MC_FIRMWARE, ALL, MC_FIRMWARE),
2153 PARTN_MAP_ENTRY(MC_FIRMWARE_BACKUP, ALL, MC_GOLDEN),
2154 PARTN_MAP_ENTRY(EXPANSION_ROM, ALL, BOOTROM),
2155 PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT0, 1, BOOTROM_CFG),
2156 PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT1, 2, BOOTROM_CFG),
2157 PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT2, 3, BOOTROM_CFG),
2158 PARTN_MAP_ENTRY(EXPROM_CONFIG_PORT3, 4, BOOTROM_CFG),
2159 PARTN_MAP_ENTRY(DYNAMIC_CONFIG, ALL, DYNAMIC_CFG),
2160 PARTN_MAP_ENTRY(FPGA, ALL, FPGA),
2161 PARTN_MAP_ENTRY(FPGA_BACKUP, ALL, FPGA_BACKUP),
2162 PARTN_MAP_ENTRY(LICENSE, ALL, LICENSE),
2165 static ef10_parttbl_entry_t medford_parttbl[] = {
2166 /* partn ports nvtype */
2167 PARTN_MAP_ENTRY(MC_FIRMWARE, ALL, MC_FIRMWARE),
2168 PARTN_MAP_ENTRY(MC_FIRMWARE_BACKUP, ALL, MC_GOLDEN),
2169 PARTN_MAP_ENTRY(EXPANSION_ROM, ALL, BOOTROM),
2170 PARTN_MAP_ENTRY(EXPROM_CONFIG, ALL, BOOTROM_CFG),
2171 PARTN_MAP_ENTRY(DYNAMIC_CONFIG, ALL, DYNAMIC_CFG),
2172 PARTN_MAP_ENTRY(FPGA, ALL, FPGA),
2173 PARTN_MAP_ENTRY(FPGA_BACKUP, ALL, FPGA_BACKUP),
2174 PARTN_MAP_ENTRY(LICENSE, ALL, LICENSE),
2175 PARTN_MAP_ENTRY(EXPANSION_UEFI, ALL, UEFIROM),
2178 static __checkReturn efx_rc_t
2180 __in efx_nic_t *enp,
2181 __out ef10_parttbl_entry_t **parttblp,
2182 __out size_t *parttbl_rowsp)
2184 switch (enp->en_family) {
2185 case EFX_FAMILY_HUNTINGTON:
2186 *parttblp = hunt_parttbl;
2187 *parttbl_rowsp = EFX_ARRAY_SIZE(hunt_parttbl);
2190 case EFX_FAMILY_MEDFORD:
2191 *parttblp = medford_parttbl;
2192 *parttbl_rowsp = EFX_ARRAY_SIZE(medford_parttbl);
2196 EFSYS_ASSERT(B_FALSE);
2202 __checkReturn efx_rc_t
2203 ef10_nvram_type_to_partn(
2204 __in efx_nic_t *enp,
2205 __in efx_nvram_type_t type,
2206 __out uint32_t *partnp)
2208 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
2209 ef10_parttbl_entry_t *parttbl = NULL;
2210 size_t parttbl_rows = 0;
2213 EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
2214 EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
2215 EFSYS_ASSERT(partnp != NULL);
2217 if (ef10_parttbl_get(enp, &parttbl, &parttbl_rows) == 0) {
2218 for (i = 0; i < parttbl_rows; i++) {
2219 ef10_parttbl_entry_t *entry = &parttbl[i];
2221 if ((entry->nvtype == type) &&
2222 (entry->port_mask & (1u << emip->emi_port))) {
2223 *partnp = entry->partn;
2234 static __checkReturn efx_rc_t
2235 ef10_nvram_partn_to_type(
2236 __in efx_nic_t *enp,
2237 __in uint32_t partn,
2238 __out efx_nvram_type_t *typep)
2240 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
2241 ef10_parttbl_entry_t *parttbl = NULL;
2242 size_t parttbl_rows = 0;
2245 EFSYS_ASSERT(typep != NULL);
2247 if (ef10_parttbl_get(enp, &parttbl, &parttbl_rows) == 0) {
2248 for (i = 0; i < parttbl_rows; i++) {
2249 ef10_parttbl_entry_t *entry = &parttbl[i];
2251 if ((entry->partn == partn) &&
2252 (entry->port_mask & (1u << emip->emi_port))) {
2253 *typep = entry->nvtype;
2262 __checkReturn efx_rc_t
2264 __in efx_nic_t *enp)
2266 efx_nvram_type_t type;
2267 unsigned int npartns = 0;
2268 uint32_t *partns = NULL;
2273 /* Read available partitions from NVRAM partition map */
2274 size = MC_CMD_NVRAM_PARTITIONS_OUT_TYPE_ID_MAXNUM * sizeof (uint32_t);
2275 EFSYS_KMEM_ALLOC(enp->en_esip, size, partns);
2276 if (partns == NULL) {
2281 if ((rc = efx_mcdi_nvram_partitions(enp, (caddr_t)partns, size,
2286 for (i = 0; i < npartns; i++) {
2287 /* Check if the partition is supported for this port */
2288 if ((rc = ef10_nvram_partn_to_type(enp, partns[i], &type)) != 0)
2291 if ((rc = efx_mcdi_nvram_test(enp, partns[i])) != 0)
2295 EFSYS_KMEM_FREE(enp->en_esip, size, partns);
2302 EFSYS_KMEM_FREE(enp->en_esip, size, partns);
2304 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2308 #endif /* EFSYS_OPT_DIAG */
2310 __checkReturn efx_rc_t
2311 ef10_nvram_partn_get_version(
2312 __in efx_nic_t *enp,
2313 __in uint32_t partn,
2314 __out uint32_t *subtypep,
2315 __out_ecount(4) uint16_t version[4])
2319 /* FIXME: get highest partn version from all ports */
2320 /* FIXME: return partn description if available */
2322 if ((rc = efx_mcdi_nvram_metadata(enp, partn, subtypep,
2323 version, NULL, 0)) != 0)
2329 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2334 __checkReturn efx_rc_t
2335 ef10_nvram_partn_rw_start(
2336 __in efx_nic_t *enp,
2337 __in uint32_t partn,
2338 __out size_t *chunk_sizep)
2340 uint32_t write_size = 0;
2343 if ((rc = efx_mcdi_nvram_info(enp, partn, NULL, NULL,
2344 NULL, &write_size)) != 0)
2347 if ((rc = ef10_nvram_partn_lock(enp, partn)) != 0)
2350 if (chunk_sizep != NULL) {
2351 if (write_size == 0)
2352 *chunk_sizep = EF10_NVRAM_CHUNK;
2354 *chunk_sizep = write_size;
2362 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2367 __checkReturn efx_rc_t
2368 ef10_nvram_partn_rw_finish(
2369 __in efx_nic_t *enp,
2370 __in uint32_t partn,
2371 __out_opt uint32_t *verify_resultp)
2375 if ((rc = ef10_nvram_partn_unlock(enp, partn, verify_resultp)) != 0)
2381 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2386 #endif /* EFSYS_OPT_NVRAM */
2388 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */