Updated headers so they really are the same
[yaffs2.git] / yaffs_mtdif.c
index 1f40e8fbb0c33ca6fdd2f4d399f822b16ce1de53..6e2a9de22267318f34bb7c42deabdea3a3e8dca8 100644 (file)
@@ -1,8 +1,7 @@
 /*
 /*
- * YAFFS: Yet another FFS. A NAND-flash specific file system. 
- * yaffs_mtdif.c  NAND mtd wrapper functions.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
  *
  *
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
  */
 
 const char *yaffs_mtdif_c_version =
  */
 
 const char *yaffs_mtdif_c_version =
-    "$Id: yaffs_mtdif.c,v 1.14 2006-09-26 13:28:13 vwool Exp $";
+    "$Id: yaffs_mtdif.c,v 1.19 2007-02-14 01:09:06 wookey Exp $";
 
 #include "yportenv.h"
 
 
 #include "yportenv.h"
 
@@ -64,8 +62,10 @@ static inline void translate_oob2spare(yaffs_Spare *spare, __u8 *oob)
        spare->tagByte5 = oob[5] == 0xff ? 0xff : oob[5] & 0x3f;
        spare->blockStatus = oob[5] & 0x80 ? 0xff : 'Y';
        spare->pageStatus = oob[5] & 0x40 ? 0xff : 0;
        spare->tagByte5 = oob[5] == 0xff ? 0xff : oob[5] & 0x3f;
        spare->blockStatus = oob[5] & 0x80 ? 0xff : 'Y';
        spare->pageStatus = oob[5] & 0x40 ? 0xff : 0;
+       spare->ecc1[0] = spare->ecc1[1] = spare->ecc1[2] = 0xff;
        spare->tagByte6 = oob[6];
        spare->tagByte7 = oob[7];
        spare->tagByte6 = oob[6];
        spare->tagByte7 = oob[7];
+       spare->ecc2[0] = spare->ecc2[1] = spare->ecc2[2] = 0xff;
 
        nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */
 }
 
        nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */
 }
@@ -81,12 +81,12 @@ int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
        size_t dummy;
        int retval = 0;
 
        size_t dummy;
        int retval = 0;
 
-       loff_t addr = ((loff_t) chunkInNAND) * dev->nBytesPerChunk;
+       loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
        __u8 spareAsBytes[8]; /* OOB */
 
        if (data && !spare)
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
        __u8 spareAsBytes[8]; /* OOB */
 
        if (data && !spare)
-               retval = mtd->write(mtd, addr, dev->nBytesPerChunk,
+               retval = mtd->write(mtd, addr, dev->nDataBytesPerChunk,
                                &dummy, data);
        else if (spare) {
                if (dev->useNANDECC) {
                                &dummy, data);
        else if (spare) {
                if (dev->useNANDECC) {
@@ -97,7 +97,7 @@ int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
                        ops.mode = MTD_OOB_RAW;
                        ops.ooblen = YAFFS_BYTES_PER_SPARE;
                }
                        ops.mode = MTD_OOB_RAW;
                        ops.ooblen = YAFFS_BYTES_PER_SPARE;
                }
-               ops.len = data ? dev->nBytesPerChunk : ops.ooblen;
+               ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen;
                ops.datbuf = (u8 *)data;
                ops.ooboffs = 0;
                ops.oobbuf = spareAsBytes;
                ops.datbuf = (u8 *)data;
                ops.ooboffs = 0;
                ops.oobbuf = spareAsBytes;
@@ -109,18 +109,18 @@ int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
        if (data && spare) {
                if (dev->useNANDECC)
                        retval =
        if (data && spare) {
                if (dev->useNANDECC)
                        retval =
-                           mtd->write_ecc(mtd, addr, dev->nBytesPerChunk,
+                           mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
                                           &dummy, data, spareAsBytes,
                                           &yaffs_oobinfo);
                else
                        retval =
                                           &dummy, data, spareAsBytes,
                                           &yaffs_oobinfo);
                else
                        retval =
-                           mtd->write_ecc(mtd, addr, dev->nBytesPerChunk,
+                           mtd->write_ecc(mtd, addr, dev->nDataBytesPerChunk,
                                           &dummy, data, spareAsBytes,
                                           &yaffs_noeccinfo);
        } else {
                if (data)
                        retval =
                                           &dummy, data, spareAsBytes,
                                           &yaffs_noeccinfo);
        } else {
                if (data)
                        retval =
-                           mtd->write(mtd, addr, dev->nBytesPerChunk, &dummy,
+                           mtd->write(mtd, addr, dev->nDataBytesPerChunk, &dummy,
                                       data);
                if (spare)
                        retval =
                                       data);
                if (spare)
                        retval =
@@ -145,12 +145,12 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
        size_t dummy;
        int retval = 0;
 
        size_t dummy;
        int retval = 0;
 
-       loff_t addr = ((loff_t) chunkInNAND) * dev->nBytesPerChunk;
+       loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
        __u8 spareAsBytes[8]; /* OOB */
 
        if (data && !spare)
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
        __u8 spareAsBytes[8]; /* OOB */
 
        if (data && !spare)
-               retval = mtd->read(mtd, addr, dev->nBytesPerChunk,
+               retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
                                &dummy, data);
        else if (spare) {
                if (dev->useNANDECC) {
                                &dummy, data);
        else if (spare) {
                if (dev->useNANDECC) {
@@ -160,7 +160,7 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
                        ops.mode = MTD_OOB_RAW;
                        ops.ooblen = YAFFS_BYTES_PER_SPARE;
                }
                        ops.mode = MTD_OOB_RAW;
                        ops.ooblen = YAFFS_BYTES_PER_SPARE;
                }
-               ops.len = data ? dev->nBytesPerChunk : ops.ooblen;
+               ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen;
                ops.datbuf = data;
                ops.ooboffs = 0;
                ops.oobbuf = spareAsBytes;
                ops.datbuf = data;
                ops.ooboffs = 0;
                ops.oobbuf = spareAsBytes;
@@ -178,19 +178,19 @@ int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
                        /* should allocate enough memory for spare, */
                        /* i.e. [YAFFS_BYTES_PER_SPARE+2*sizeof(int)]. */
                        retval =
                        /* should allocate enough memory for spare, */
                        /* i.e. [YAFFS_BYTES_PER_SPARE+2*sizeof(int)]. */
                        retval =
-                           mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
+                           mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
                                          &dummy, data, spareAsBytes,
                                          &yaffs_oobinfo);
                } else {
                        retval =
                                          &dummy, data, spareAsBytes,
                                          &yaffs_oobinfo);
                } else {
                        retval =
-                           mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
+                           mtd->read_ecc(mtd, addr, dev->nDataBytesPerChunk,
                                          &dummy, data, spareAsBytes,
                                          &yaffs_noeccinfo);
                }
        } else {
                if (data)
                        retval =
                                          &dummy, data, spareAsBytes,
                                          &yaffs_noeccinfo);
                }
        } else {
                if (data)
                        retval =
-                           mtd->read(mtd, addr, dev->nBytesPerChunk, &dummy,
+                           mtd->read(mtd, addr, dev->nDataBytesPerChunk, &dummy,
                                      data);
                if (spare)
                        retval =
                                      data);
                if (spare)
                        retval =
@@ -209,14 +209,14 @@ int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
 {
        struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
        __u32 addr =
 {
        struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
        __u32 addr =
-           ((loff_t) blockNumber) * dev->nBytesPerChunk
+           ((loff_t) blockNumber) * dev->nDataBytesPerChunk
                * dev->nChunksPerBlock;
        struct erase_info ei;
        int retval = 0;
 
        ei.mtd = mtd;
        ei.addr = addr;
                * dev->nChunksPerBlock;
        struct erase_info ei;
        int retval = 0;
 
        ei.mtd = mtd;
        ei.addr = addr;
-       ei.len = dev->nBytesPerChunk * dev->nChunksPerBlock;
+       ei.len = dev->nDataBytesPerChunk * dev->nChunksPerBlock;
        ei.time = 1000;
        ei.retries = 2;
        ei.callback = NULL;
        ei.time = 1000;
        ei.retries = 2;
        ei.callback = NULL;