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author | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:17 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:17 +0000 |
commit | 449f88df0f02fea3a7206d44daf62a553f9e819e (patch) | |
tree | ffd5be768cbfd686f28bba684734db5b9faf0829 /target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c | |
parent | 56190ed0fcdb453b218be4fcefa938850a81c83e (diff) | |
download | mtk-20170518-449f88df0f02fea3a7206d44daf62a553f9e819e.zip mtk-20170518-449f88df0f02fea3a7206d44daf62a553f9e819e.tar.gz mtk-20170518-449f88df0f02fea3a7206d44daf62a553f9e819e.tar.bz2 |
generic: fold yaffs_git_2010_10_20 patch to generic/files
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 34013
Diffstat (limited to 'target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c')
-rw-r--r-- | target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c | 137 |
1 files changed, 74 insertions, 63 deletions
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c b/target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c index 77504ba..c6ebdaa 100644 --- a/target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c +++ b/target/linux/generic/files/fs/yaffs2/yaffs_mtdif2.c @@ -1,7 +1,7 @@ /* * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. * - * Copyright (C) 2002-2007 Aleph One Ltd. + * Copyright (C) 2002-2010 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> @@ -13,11 +13,8 @@ /* mtd interface for YAFFS2 */ -const char *yaffs_mtdif2_c_version = - "$Id: yaffs_mtdif2.c,v 1.23 2009-03-06 17:20:53 wookey Exp $"; - #include "yportenv.h" - +#include "yaffs_trace.h" #include "yaffs_mtdif2.h" @@ -27,15 +24,17 @@ const char *yaffs_mtdif2_c_version = #include "yaffs_packedtags2.h" +#include "yaffs_linux.h" + /* NB For use with inband tags.... * We assume that the data buffer is of size totalBytersPerChunk so that we can also * use it to load the tags. */ -int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, +int nandmtd2_WriteChunkWithTagsToNAND(yaffs_dev_t *dev, int nand_chunk, const __u8 *data, - const yaffs_ExtendedTags *tags) + const yaffs_ext_tags *tags) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_dev_to_mtd(dev); #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #else @@ -47,13 +46,16 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, yaffs_PackedTags2 pt; + int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); + void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t : (void *)&pt; + T(YAFFS_TRACE_MTD, (TSTR ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p" - TENDSTR), chunkInNAND, data, tags)); + TENDSTR), nand_chunk, data, tags)); - addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; + addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; /* For yaffs2 writing there must be both data and tags. * If we're using inband tags, then the tags are stuffed into @@ -61,30 +63,30 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, */ if (!data || !tags) BUG(); - else if (dev->inbandTags) { + else if (dev->param.inband_tags) { yaffs_PackedTags2TagsPart *pt2tp; - pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->nDataBytesPerChunk); + pt2tp = (yaffs_PackedTags2TagsPart *)(data + dev->data_bytes_per_chunk); yaffs_PackTags2TagsPart(pt2tp, tags); } else - yaffs_PackTags2(&pt, tags); + yaffs_PackTags2(&pt, tags, !dev->param.no_tags_ecc); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) ops.mode = MTD_OOB_AUTO; - ops.ooblen = (dev->inbandTags) ? 0 : sizeof(pt); - ops.len = dev->totalBytesPerChunk; + ops.ooblen = (dev->param.inband_tags) ? 0 : packed_tags_size; + ops.len = dev->param.total_bytes_per_chunk; ops.ooboffs = 0; ops.datbuf = (__u8 *)data; - ops.oobbuf = (dev->inbandTags) ? NULL : (void *)&pt; + ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr; retval = mtd->write_oob(mtd, addr, &ops); #else - if (!dev->inbandTags) { + if (!dev->param.inband_tags) { retval = - mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk, - &dummy, data, (__u8 *) &pt, NULL); + mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk, + &dummy, data, (__u8 *) packed_tags_ptr, NULL); } else { retval = - mtd->write(mtd, addr, dev->totalBytesPerChunk, &dummy, + mtd->write(mtd, addr, dev->param.total_bytes_per_chunk, &dummy, data); } #endif @@ -95,10 +97,10 @@ int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev, int chunkInNAND, return YAFFS_FAIL; } -int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, - __u8 *data, yaffs_ExtendedTags *tags) +int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_dev_t *dev, int nand_chunk, + __u8 *data, yaffs_ext_tags *tags) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_dev_to_mtd(dev); #if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17)) struct mtd_oob_ops ops; #endif @@ -106,20 +108,23 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, int retval = 0; int localData = 0; - loff_t addr = ((loff_t) chunkInNAND) * dev->totalBytesPerChunk; + loff_t addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk; yaffs_PackedTags2 pt; + int packed_tags_size = dev->param.no_tags_ecc ? sizeof(pt.t) : sizeof(pt); + void * packed_tags_ptr = dev->param.no_tags_ecc ? (void *) &pt.t: (void *)&pt; + T(YAFFS_TRACE_MTD, (TSTR ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p" - TENDSTR), chunkInNAND, data, tags)); + TENDSTR), nand_chunk, data, tags)); - if (dev->inbandTags) { + if (dev->param.inband_tags) { if (!data) { localData = 1; - data = yaffs_GetTempBuffer(dev, __LINE__); + data = yaffs_get_temp_buffer(dev, __LINE__); } @@ -127,30 +132,30 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17)) - if (dev->inbandTags || (data && !tags)) - retval = mtd->read(mtd, addr, dev->totalBytesPerChunk, + if (dev->param.inband_tags || (data && !tags)) + retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk, &dummy, data); else if (tags) { ops.mode = MTD_OOB_AUTO; - ops.ooblen = sizeof(pt); - ops.len = data ? dev->nDataBytesPerChunk : sizeof(pt); + ops.ooblen = packed_tags_size; + ops.len = data ? dev->data_bytes_per_chunk : packed_tags_size; ops.ooboffs = 0; ops.datbuf = data; - ops.oobbuf = dev->spareBuffer; + ops.oobbuf = yaffs_dev_to_lc(dev)->spareBuffer; retval = mtd->read_oob(mtd, addr, &ops); } #else - if (!dev->inbandTags && data && tags) { + if (!dev->param.inband_tags && data && tags) { - retval = mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk, + retval = mtd->read_ecc(mtd, addr, dev->data_bytes_per_chunk, &dummy, data, dev->spareBuffer, NULL); } else { if (data) retval = - mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy, + mtd->read(mtd, addr, dev->data_bytes_per_chunk, &dummy, data); - if (!dev->inbandTags && tags) + if (!dev->param.inband_tags && tags) retval = mtd->read_oob(mtd, addr, mtd->oobsize, &dummy, dev->spareBuffer); @@ -158,41 +163,47 @@ int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev, int chunkInNAND, #endif - if (dev->inbandTags) { + if (dev->param.inband_tags) { if (tags) { yaffs_PackedTags2TagsPart *pt2tp; - pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->nDataBytesPerChunk]; - yaffs_UnpackTags2TagsPart(tags, pt2tp); + pt2tp = (yaffs_PackedTags2TagsPart *)&data[dev->data_bytes_per_chunk]; + yaffs_unpack_tags2tags_part(tags, pt2tp); } } else { if (tags) { - memcpy(&pt, dev->spareBuffer, sizeof(pt)); - yaffs_UnpackTags2(tags, &pt); + memcpy(packed_tags_ptr, yaffs_dev_to_lc(dev)->spareBuffer, packed_tags_size); + yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc); } } if (localData) - yaffs_ReleaseTempBuffer(dev, data, __LINE__); + yaffs_release_temp_buffer(dev, data, __LINE__); - if (tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR) - tags->eccResult = YAFFS_ECC_RESULT_UNFIXED; + if (tags && retval == -EBADMSG && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) { + tags->ecc_result = YAFFS_ECC_RESULT_UNFIXED; + dev->n_ecc_unfixed++; + } + if(tags && retval == -EUCLEAN && tags->ecc_result == YAFFS_ECC_RESULT_NO_ERROR) { + tags->ecc_result = YAFFS_ECC_RESULT_FIXED; + dev->n_ecc_fixed++; + } if (retval == 0) return YAFFS_OK; else return YAFFS_FAIL; } -int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) +int nandmtd2_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_dev_to_mtd(dev); int retval; T(YAFFS_TRACE_MTD, - (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo)); + (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), block_no)); retval = mtd->block_markbad(mtd, - blockNo * dev->nChunksPerBlock * - dev->totalBytesPerChunk); + block_no * dev->param.chunks_per_block * + dev->param.total_bytes_per_chunk); if (retval == 0) return YAFFS_OK; @@ -201,41 +212,41 @@ int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo) } -int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, - yaffs_BlockState *state, __u32 *sequenceNumber) +int nandmtd2_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no, + yaffs_block_state_t *state, __u32 *seq_number) { - struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice); + struct mtd_info *mtd = yaffs_dev_to_mtd(dev); int retval; T(YAFFS_TRACE_MTD, - (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo)); + (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), block_no)); retval = mtd->block_isbad(mtd, - blockNo * dev->nChunksPerBlock * - dev->totalBytesPerChunk); + block_no * dev->param.chunks_per_block * + dev->param.total_bytes_per_chunk); if (retval) { T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR))); *state = YAFFS_BLOCK_STATE_DEAD; - *sequenceNumber = 0; + *seq_number = 0; } else { - yaffs_ExtendedTags t; + yaffs_ext_tags t; nandmtd2_ReadChunkWithTagsFromNAND(dev, - blockNo * - dev->nChunksPerBlock, NULL, + block_no * + dev->param.chunks_per_block, NULL, &t); - if (t.chunkUsed) { - *sequenceNumber = t.sequenceNumber; + if (t.chunk_used) { + *seq_number = t.seq_number; *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING; } else { - *sequenceNumber = 0; + *seq_number = 0; *state = YAFFS_BLOCK_STATE_EMPTY; } } T(YAFFS_TRACE_MTD, - (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber, + (TSTR("block is bad seq %d state %d" TENDSTR), *seq_number, *state)); if (retval == 0) |