#include <common.h>
#include "asm/errno.h"
-const char *yaffs_mtdif2_c_version =
- "$Id: yaffs_mtdif2.c,v 1.17 2007/02/14 01:09:06 wookey Exp $";
-
#include "yportenv.h"
-
+#include "yaffs_trace.h"
#include "yaffs_mtdif2.h"
#include "linux/types.h"
#include "linux/time.h"
+#include "yaffs_trace.h"
#include "yaffs_packedtags2.h"
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data,
- const yaffs_ExtendedTags * tags)
-{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- struct mtd_oob_ops ops;
-#else
- size_t dummy;
-#endif
- int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-
- yaffs_PackedTags2 pt;
+#define yaffs_dev_to_mtd(dev) ((struct mtd_info *)((dev)->driver_context))
+#define yaffs_dev_to_lc(dev) ((struct yaffs_linux_context *)((dev)->os_context))
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- if (tags)
- yaffs_PackTags2(&pt, tags);
- else
- BUG(); /* both tags and data should always be present */
-
- if (data) {
- ops.mode = MTD_OOB_AUTO;
- ops.ooblen = sizeof(pt);
- ops.len = dev->nDataBytesPerChunk;
- ops.ooboffs = 0;
- ops.datbuf = (__u8 *)data;
- ops.oobbuf = (void *)&pt;
- retval = mtd->write_oob(mtd, addr, &ops);
- } else
- BUG(); /* both tags and data should always be present */
-#else
- if (tags) {
- yaffs_PackTags2(&pt, tags);
- }
+/* NB For use with inband tags....
+ * We assume that the data buffer is of size total_bytes_per_chunk so
+ * that we can also use it to load the tags.
+ */
+int nandmtd2_write_chunk_tags(struct yaffs_dev *dev, int nand_chunk,
+ const u8 *data,
+ const struct yaffs_ext_tags *tags)
+{
+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
+ struct mtd_oob_ops ops;
- if (data && tags) {
- if (dev->useNANDECC)
- retval =
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, (__u8 *) & pt, NULL);
- else
- retval =
- mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, (__u8 *) & pt, NULL);
+ int retval = 0;
+ loff_t addr;
+
+ struct yaffs_packed_tags2 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;
+
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_write_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
+
+ 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
+ * the end of the data buffer.
+ */
+ if (!data || !tags)
+ BUG();
+ else if (dev->param.inband_tags) {
+ struct yaffs_packed_tags2_tags_only *pt2tp;
+ pt2tp =
+ (struct yaffs_packed_tags2_tags_only *)(data +
+ dev->
+ data_bytes_per_chunk);
+ yaffs_pack_tags2_tags_only(pt2tp, tags);
} else {
- if (data)
- retval =
- mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
- data);
- if (tags)
- retval =
- mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
- (__u8 *) & pt);
-
+ yaffs_pack_tags2(&pt, tags, !dev->param.no_tags_ecc);
}
-#endif
+
+ ops.mode = MTD_OPS_AUTO_OOB;
+ 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->param.inband_tags) ? NULL : packed_tags_ptr;
+ retval = mtd_write_oob(mtd, addr, &ops);
if (retval == 0)
return YAFFS_OK;
return YAFFS_FAIL;
}
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
- __u8 * data, yaffs_ExtendedTags * tags)
+int nandmtd2_read_chunk_tags(struct yaffs_dev *dev, int nand_chunk,
+ u8 *data, struct yaffs_ext_tags *tags)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+ struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
+ u8 local_spare[128];
struct mtd_oob_ops ops;
-#endif
size_t dummy;
int retval = 0;
+ int local_data = 0;
+ struct yaffs_packed_tags2 pt;
+ loff_t addr = ((loff_t) nand_chunk) * dev->param.total_bytes_per_chunk;
+ 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;
+
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_read_chunk_tags chunk %d data %p tags %p",
+ nand_chunk, data, tags);
+
+ if (dev->param.inband_tags) {
+
+ if (!data) {
+ local_data = 1;
+ data = yaffs_get_temp_buffer(dev);
+ }
- loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-
- yaffs_PackedTags2 pt;
-
- T(YAFFS_TRACE_MTD,
- (TSTR
- ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
- TENDSTR), chunkInNAND, data, tags));
+ }
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- if (data && !tags)
- retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data);
+ 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.mode = MTD_OPS_AUTO_OOB;
+ 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;
- retval = mtd->read_oob(mtd, addr, &ops);
+ ops.oobbuf = local_spare;
+ retval = mtd_read_oob(mtd, addr, &ops);
}
-#else
- if (data && tags) {
- if (dev->useNANDECC) {
- retval =
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, dev->spareBuffer,
- NULL);
- } else {
- retval =
- mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
- &dummy, data, dev->spareBuffer,
- NULL);
+
+ if (dev->param.inband_tags) {
+ if (tags) {
+ struct yaffs_packed_tags2_tags_only *pt2tp;
+ pt2tp =
+ (struct yaffs_packed_tags2_tags_only *)
+ &data[dev->data_bytes_per_chunk];
+ yaffs_unpack_tags2_tags_only(tags, pt2tp);
}
} else {
- if (data)
- retval =
- mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
- data);
- if (tags)
- retval =
- mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
- dev->spareBuffer);
+ if (tags) {
+ memcpy(packed_tags_ptr,
+ local_spare,
+ packed_tags_size);
+ yaffs_unpack_tags2(tags, &pt, !dev->param.no_tags_ecc);
+ }
}
-#endif
- memcpy(&pt, dev->spareBuffer, sizeof(pt));
-
- if (tags)
- yaffs_UnpackTags2(tags, &pt);
-
- if(tags && retval == -EBADMSG && tags->eccResult == YAFFS_ECC_RESULT_NO_ERROR)
- tags->eccResult = YAFFS_ECC_RESULT_UNFIXED;
+ if (local_data)
+ yaffs_release_temp_buffer(dev, data);
+ 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 *dev, int blockNo)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
+ struct mtd_info *mtd = (struct mtd_info *)(dev->driver_context);
int retval;
- T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo));
+
+ yaffs_trace(YAFFS_TRACE_MTD,
+ "nandmtd2_MarkNANDBlockBad %d", blockNo);
retval =
- mtd->block_markbad(mtd,
- blockNo * dev->nChunksPerBlock *
- dev->nDataBytesPerChunk);
+ mtd_block_markbad(mtd,
+ blockNo * dev->param.chunks_per_block *
+ dev->data_bytes_per_chunk);
if (retval == 0)
return YAFFS_OK;
}
-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
- yaffs_BlockState * state, int *sequenceNumber)
+int nandmtd2_QueryNANDBlock(struct yaffs_dev *dev, int blockNo,
+ enum yaffs_block_state *state, u32 *sequenceNumber)
{
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
+ struct mtd_info *mtd = (struct mtd_info *)(dev->driver_context);
int retval;
- T(YAFFS_TRACE_MTD,
- (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo));
+ yaffs_trace(YAFFS_TRACE_MTD, "nandmtd2_QueryNANDBlock %d", blockNo);
retval =
- mtd->block_isbad(mtd,
- blockNo * dev->nChunksPerBlock *
- dev->nDataBytesPerChunk);
+ mtd_block_isbad(mtd,
+ blockNo * dev->param.chunks_per_block *
+ dev->data_bytes_per_chunk);
if (retval) {
- T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_MTD, "block is bad");
*state = YAFFS_BLOCK_STATE_DEAD;
*sequenceNumber = 0;
} else {
- yaffs_ExtendedTags t;
- nandmtd2_ReadChunkWithTagsFromNAND(dev,
- blockNo *
- dev->nChunksPerBlock, NULL,
- &t);
-
- if (t.chunkUsed) {
- *sequenceNumber = t.sequenceNumber;
- *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+ struct yaffs_ext_tags t;
+ nandmtd2_read_chunk_tags(dev,
+ blockNo *
+ dev->param.chunks_per_block, NULL,
+ &t);
+
+ if (t.chunk_used) {
+ *sequenceNumber = t.seq_number;
+ *state = YAFFS_BLOCK_STATE_NEEDS_SCAN;
} else {
*sequenceNumber = 0;
*state = YAFFS_BLOCK_STATE_EMPTY;
}
}
- T(YAFFS_TRACE_MTD,
- (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber,
- *state));
+ yaffs_trace(YAFFS_TRACE_MTD, "block is bad seq %d state %d",
+ *sequenceNumber, *state);
if (retval == 0)
return YAFFS_OK;
projects / u-boot / blobdiff