Lines Matching full:oob
340 * nand_fill_oob - [INTERN] Transfer client buffer to oob
342 * @oob: oob data buffer
343 * @len: oob data write length
344 * @ops: oob ops structure
346 static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob, size_t len, in nand_fill_oob() argument
353 * Initialise to all 0xFF, to avoid the possibility of left over OOB in nand_fill_oob()
354 * data from a previous OOB read. in nand_fill_oob()
362 memcpy(chip->oob_poi + ops->ooboffs, oob, len); in nand_fill_oob()
363 return oob + len; in nand_fill_oob()
366 ret = mtd_ooblayout_set_databytes(mtd, oob, chip->oob_poi, in nand_fill_oob()
369 return oob + len; in nand_fill_oob()
381 * @ops: oob operation description structure
510 * specify how to write bad block markers to OOB (chip->legacy.block_markbad).
514 * (1) erase the affected block, to allow OOB marker to be written cleanly
515 * (2) write bad block marker to OOB area of affected block (unless flag
530 /* Attempt erase before marking OOB */ in nand_block_markbad_lowlevel()
536 /* Write bad block marker to OOB */ in nand_block_markbad_lowlevel()
973 * On small page NANDs, there's a dedicated command to access the OOB in nand_fill_column_cycles()
974 * area, and the column address is relative to the start of the OOB in nand_fill_column_cycles()
1239 * nand_read_oob_op - Do a READ OOB operation
1242 * @offset_in_oob: offset within the OOB area
1246 * This function issues a READ OOB operation.
2502 * @extraoob: extra OOB buffer
2503 * @extraooblen: extra OOB length
2506 * Check if a data buffer and its associated ECC and OOB data contains only
2525 * 3/ The extraoob argument is optional, and should be used if some of your OOB
2528 * extra OOB data to an ECC chunk.
2576 * @oob_required: caller requires OOB data read to chip->oob_poi
2591 * @oob_required: caller requires OOB data read to chip->oob_poi
2594 * Not for syndrome calculating ECC controllers, which use a special oob layout.
2621 * @oob_required: caller requires OOB data read to chip->oob_poi
2626 * eventually OOB) to be loaded in the NAND cache and sent over the
2629 * first reads the main data, and if the OOB data is requested too,
2662 * @oob_required: caller requires OOB data read to chip->oob_poi
2665 * We need a special oob layout and handling even when OOB isn't used.
2673 uint8_t *oob = chip->oob_poi; in nand_read_page_raw_syndrome() local
2688 ret = nand_read_data_op(chip, oob, chip->ecc.prepad, in nand_read_page_raw_syndrome()
2693 oob += chip->ecc.prepad; in nand_read_page_raw_syndrome()
2696 ret = nand_read_data_op(chip, oob, eccbytes, false, false); in nand_read_page_raw_syndrome()
2700 oob += eccbytes; in nand_read_page_raw_syndrome()
2703 ret = nand_read_data_op(chip, oob, chip->ecc.postpad, in nand_read_page_raw_syndrome()
2708 oob += chip->ecc.postpad; in nand_read_page_raw_syndrome()
2712 size = mtd->oobsize - (oob - chip->oob_poi); in nand_read_page_raw_syndrome()
2714 ret = nand_read_data_op(chip, oob, size, false, false); in nand_read_page_raw_syndrome()
2726 * @oob_required: caller requires OOB data read to chip->oob_poi
2883 * @oob_required: caller requires OOB data read to chip->oob_poi
2886 * Not for syndrome calculating ECC controllers which need a special oob layout.
2954 * @oob_required: caller requires OOB data read to chip->oob_poi
2958 * need a special oob layout and handling.
2969 uint8_t *oob = chip->oob_poi; in nand_read_page_syndrome() local
2986 ret = nand_read_data_op(chip, oob, chip->ecc.prepad, in nand_read_page_syndrome()
2991 oob += chip->ecc.prepad; in nand_read_page_syndrome()
2996 ret = nand_read_data_op(chip, oob, eccbytes, false, false); in nand_read_page_syndrome()
3000 stat = chip->ecc.correct(chip, p, oob, NULL); in nand_read_page_syndrome()
3002 oob += eccbytes; in nand_read_page_syndrome()
3005 ret = nand_read_data_op(chip, oob, chip->ecc.postpad, in nand_read_page_syndrome()
3010 oob += chip->ecc.postpad; in nand_read_page_syndrome()
3017 oob - eccpadbytes, in nand_read_page_syndrome()
3031 /* Calculate remaining oob bytes */ in nand_read_page_syndrome()
3032 i = mtd->oobsize - (oob - chip->oob_poi); in nand_read_page_syndrome()
3034 ret = nand_read_data_op(chip, oob, i, false, false); in nand_read_page_syndrome()
3043 * nand_transfer_oob - [INTERN] Transfer oob to client buffer
3045 * @oob: oob destination address
3046 * @ops: oob ops structure
3047 * @len: size of oob to transfer
3049 static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, in nand_transfer_oob() argument
3059 memcpy(oob, chip->oob_poi + ops->ooboffs, len); in nand_transfer_oob()
3060 return oob + len; in nand_transfer_oob()
3063 ret = mtd_ooblayout_get_databytes(mtd, oob, chip->oob_poi, in nand_transfer_oob()
3066 return oob + len; in nand_transfer_oob()
3111 * @ops: oob ops structure
3125 uint8_t *bufpoi, *oob, *buf; in nand_do_read_ops() local
3140 oob = ops->oobbuf; in nand_do_read_ops()
3141 oob_required = oob ? 1 : 0; in nand_do_read_ops()
3159 if (realpage != chip->pagecache.page || oob) { in nand_do_read_ops()
3176 !oob) in nand_do_read_ops()
3194 if (!NAND_HAS_SUBPAGE_READ(chip) && !oob && in nand_do_read_ops()
3206 if (unlikely(oob)) { in nand_do_read_ops()
3210 oob = nand_transfer_oob(chip, oob, ops, in nand_do_read_ops()
3273 if (oob) in nand_do_read_ops()
3286 * nand_read_oob_std - [REPLACEABLE] the most common OOB data read function
3299 * nand_read_oob_syndrome - [REPLACEABLE] OOB data read function for HW ECC
3353 * nand_write_oob_std - [REPLACEABLE] the most common OOB data write function
3367 * nand_write_oob_syndrome - [REPLACEABLE] OOB data write function for HW ECC
3381 * data-ecc-data-ecc ... ecc-oob in nand_write_oob_syndrome()
3383 * data-pad-ecc-pad-data-pad .... ecc-pad-oob in nand_write_oob_syndrome()
3443 * @ops: oob operations description structure
3521 * @ops: oob operation description structure
3553 * @oob_required: must write chip->oob_poi to OOB
3568 * @oob_required: must write chip->oob_poi to OOB
3571 * Not for syndrome calculating ECC controllers, which use a special oob layout.
3598 * @oob_required: must write chip->oob_poi to OOB
3603 * eventually OOB) to be sent over the bus and effectively programmed
3606 * data, then eventually send the OOB data by latching more data
3634 * @oob_required: must write chip->oob_poi to OOB
3637 * We need a special oob layout and handling even when ECC isn't checked.
3646 uint8_t *oob = chip->oob_poi; in nand_write_page_raw_syndrome() local
3661 ret = nand_write_data_op(chip, oob, chip->ecc.prepad, in nand_write_page_raw_syndrome()
3666 oob += chip->ecc.prepad; in nand_write_page_raw_syndrome()
3669 ret = nand_write_data_op(chip, oob, eccbytes, false); in nand_write_page_raw_syndrome()
3673 oob += eccbytes; in nand_write_page_raw_syndrome()
3676 ret = nand_write_data_op(chip, oob, chip->ecc.postpad, in nand_write_page_raw_syndrome()
3681 oob += chip->ecc.postpad; in nand_write_page_raw_syndrome()
3685 size = mtd->oobsize - (oob - chip->oob_poi); in nand_write_page_raw_syndrome()
3687 ret = nand_write_data_op(chip, oob, size, false); in nand_write_page_raw_syndrome()
3698 * @oob_required: must write chip->oob_poi to OOB
3727 * @oob_required: must write chip->oob_poi to OOB
3773 * @oob_required: must write chip->oob_poi to OOB
3810 /* mask OOB of un-touched subpages by padding 0xFF */ in nand_write_subpage_hwecc()
3811 /* if oob_required, preserve OOB metadata of written subpage */ in nand_write_subpage_hwecc()
3820 /* copy calculated ECC for whole page to chip->buffer->oob */ in nand_write_subpage_hwecc()
3828 /* write OOB buffer to NAND device */ in nand_write_subpage_hwecc()
3841 * @oob_required: must write chip->oob_poi to OOB
3845 * need a special oob layout and handling.
3855 uint8_t *oob = chip->oob_poi; in nand_write_page_syndrome() local
3870 ret = nand_write_data_op(chip, oob, chip->ecc.prepad, in nand_write_page_syndrome()
3875 oob += chip->ecc.prepad; in nand_write_page_syndrome()
3878 chip->ecc.calculate(chip, p, oob); in nand_write_page_syndrome()
3880 ret = nand_write_data_op(chip, oob, eccbytes, false); in nand_write_page_syndrome()
3884 oob += eccbytes; in nand_write_page_syndrome()
3887 ret = nand_write_data_op(chip, oob, chip->ecc.postpad, in nand_write_page_syndrome()
3892 oob += chip->ecc.postpad; in nand_write_page_syndrome()
3896 /* Calculate remaining oob bytes */ in nand_write_page_syndrome()
3897 i = mtd->oobsize - (oob - chip->oob_poi); in nand_write_page_syndrome()
3899 ret = nand_write_data_op(chip, oob, i, false); in nand_write_page_syndrome()
3913 * @oob_required: must write chip->oob_poi to OOB
3951 * @ops: oob operations description structure
3965 uint8_t *oob = ops->oobbuf; in nand_do_write_ops() local
3968 int oob_required = oob ? 1 : 0; in nand_do_write_ops()
4000 /* Don't allow multipage oob writes with offset */ in nand_do_write_ops()
4001 if (oob && ops->ooboffs && (ops->ooboffs + ops->ooblen > oobmaxlen)) { in nand_do_write_ops()
4035 if (unlikely(oob)) { in nand_do_write_ops()
4037 oob = nand_fill_oob(chip, oob, len, ops); in nand_do_write_ops()
4040 /* We still need to erase leftover OOB data */ in nand_do_write_ops()
4068 if (unlikely(oob)) in nand_do_write_ops()
4115 * @ops: oob operation description structure
4864 pr_info("%d MiB, %s, erase size: %d KiB, page size: %d, OOB size: %d\n", in nand_detect()
5262 WARN(1, "OOB layout is required when using software BCH on small pages\n"); in nand_set_ecc_soft_ops()
5306 * @oobavail: OOB size that the ECC engine can use
5309 * by the controller and the calculated ECC bytes fit within the chip's OOB.
5339 pr_err("ECC (step, strength) = (%d, %d) does not fit in OOB", in nand_check_ecc_caps()
5360 * @oobavail: OOB size that the ECC engine can use
5363 * number of ECC bytes (i.e. with the largest number of OOB-free bytes).
5444 * @oobavail: OOB size that the ECC engine can use
5447 * within the chip's OOB. On success, the chosen ECC settings are set.
5514 * @oobavail: OOB size that the ECC engine can use
5523 * to the chip's requirement. If available OOB size can't fit the chip
5608 /* New bad blocks should be marked in OOB, flash-based BBT, or both */ in nand_scan_tail()
5630 /* Set the internal oob buffer location, just after the page data */ in nand_scan_tail()
5651 * Expose the whole OOB area to users if ECC_NONE in nand_scan_tail()
5663 WARN(1, "No oob scheme defined for oobsize %d\n", in nand_scan_tail()
5741 /* For many systems, the standard OOB write also works for raw */ in nand_scan_tail()