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Diffstat (limited to 'nuttx/fs/nxffs/nxffs_reformat.c')
-rw-r--r--nuttx/fs/nxffs/nxffs_reformat.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/nuttx/fs/nxffs/nxffs_reformat.c b/nuttx/fs/nxffs/nxffs_reformat.c
deleted file mode 100644
index d3c00893d..000000000
--- a/nuttx/fs/nxffs/nxffs_reformat.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/****************************************************************************
- * fs/nxffs/nxffs_reformat.c
- *
- * Copyright (C) 2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * References: Linux/Documentation/filesystems/romfs.txt
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <string.h>
-#include <errno.h>
-#include <debug.h>
-
-#include <nuttx/mtd.h>
-
-#include "nxffs.h"
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Public Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nxffs_format
- *
- * Description:
- * Erase and reformat the entire volume.
- *
- * Input Parameters:
- * volume - Describes the NXFFS volume to be reformatted.
- *
- * Returned Value:
- * Zero on success or a negated errno on a failure. Failures will be
- * returned n the case of MTD reported failures o.
- * Nothing in the volume data itself will generate errors.
- *
- ****************************************************************************/
-
-static int nxffs_format(FAR struct nxffs_volume_s *volume)
-{
- FAR uint8_t *blkptr; /* Pointer to next block data */
- off_t eblock; /* Erase block number */
- off_t lblock; /* Logical block number */
- ssize_t nxfrd; /* Number of blocks transferred */
- int i;
- int ret;
-
- /* Create an image of one properly formatted erase sector */
-
- memset(volume->pack, CONFIG_NXFFS_ERASEDSTATE, volume->geo.erasesize);
- for (blkptr = volume->pack, i = 0;
- i < volume->blkper;
- blkptr += volume->geo.blocksize, i++)
- {
- FAR struct nxffs_block_s *blkhdr = (FAR struct nxffs_block_s*)blkptr;
- memcpy(blkhdr->magic, g_blockmagic, NXFFS_MAGICSIZE);
- blkhdr->state = BLOCK_STATE_GOOD;
- }
-
- /* Erase and format each erase block */
-
- for (eblock = 0; eblock < volume->geo.neraseblocks; eblock++)
- {
- /* Erase the block */
-
- ret = MTD_ERASE(volume->mtd, eblock, 1);
- if (ret < 0)
- {
- fdbg("Erase block %d failed: %d\n", eblock, ret);
- return ret;
- }
-
- /* Write the formatted image to the erase block */
-
- lblock = eblock * volume->blkper;
- nxfrd = MTD_BWRITE(volume->mtd, lblock, volume->blkper, volume->pack);
- if (nxfrd != volume->blkper)
- {
- fdbg("Write erase block %d failed: %d\n", lblock, nxfrd);
- return -EIO;
- }
- }
-
- return OK;
-}
-
-/****************************************************************************
- * Name: nxffs_badblocks
- *
- * Description:
- * Verify each block and mark improperly erased blocks as bad.
- *
- * Input Parameters:
- * volume - Describes the NXFFS volume to be reformatted.
- *
- * Returned Value:
- * Zero on success or a negated errno on a failure. Failures will be
- * returned n the case of MTD reported failures o.
- * Nothing in the volume data itself will generate errors.
- *
- ****************************************************************************/
-
-static int nxffs_badblocks(FAR struct nxffs_volume_s *volume)
-{
- FAR uint8_t *blkptr; /* Pointer to next block data */
- off_t eblock; /* Erase block number */
- off_t lblock; /* Logical block number */
- ssize_t nxfrd; /* Number of blocks transferred */
- bool good; /* TRUE: block is good */
- bool modified; /* TRUE: The erase block has been modified */
- int i;
-
- /* Read and verify each erase block */
-
- for (eblock = 0; eblock < volume->geo.neraseblocks; eblock++)
- {
- /* Read the entire erase block */
-
- lblock = eblock * volume->blkper;
- nxfrd = MTD_BREAD(volume->mtd, lblock, volume->blkper, volume->pack);
- if (nxfrd != volume->blkper)
- {
- fdbg("Read erase block %d failed: %d\n", lblock, nxfrd);
- return -EIO;
- }
-
- /* Process each logical block */
-
- modified = false;
- for (blkptr = volume->pack, i = 0;
- i < volume->blkper;
- blkptr += volume->geo.blocksize, i++)
- {
- FAR struct nxffs_block_s *blkhdr = (FAR struct nxffs_block_s*)blkptr;
-
- /* Check block header */
-
- good = true;
- if (memcmp(blkhdr->magic, g_blockmagic, NXFFS_MAGICSIZE) != 0 ||
- blkhdr->state != BLOCK_STATE_GOOD)
- {
- good = false;
- }
-
- /* Check that block data is erased */
-
- else
- {
- size_t blocksize = volume->geo.blocksize - SIZEOF_NXFFS_BLOCK_HDR;
- size_t erasesize = nxffs_erased(&blkptr[SIZEOF_NXFFS_BLOCK_HDR], blocksize);
- good = (blocksize == erasesize);
- }
-
- /* If the block is bad, attempt to re-write the block header indicating
- * a bad block (of course, if the block has failed, this may not be
- * possible, depending upon failure modes.
- */
-
- if (!good)
- {
- memcpy(blkhdr->magic, g_blockmagic, NXFFS_MAGICSIZE);
- blkhdr->state = BLOCK_STATE_BAD;
- modified = true;
- }
- }
-
- /* If the erase block was modified, then re-write it */
-
- nxfrd = MTD_BWRITE(volume->mtd, lblock, volume->blkper, volume->pack);
- if (nxfrd != volume->blkper)
- {
- fdbg("Write erase block %d failed: %d\n", lblock, nxfrd);
- return -EIO;
- }
- }
-
- return OK;
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nxffs_reformat
- *
- * Description:
- * Erase and reformat the entire volume. Verify each block and mark
- * improperly erased blocks as bad.
- *
- * Input Parameters:
- * volume - Describes the NXFFS volume to be reformatted.
- *
- * Returned Value:
- * Zero on success or a negated errno on a failure. Failures will be
- * returned n the case of MTD reported failures o.
- * Nothing in the volume data itself will generate errors.
- *
- ****************************************************************************/
-
-int nxffs_reformat(FAR struct nxffs_volume_s *volume)
-{
- int ret;
-
- /* Erase and reformat the entire volume */
-
- ret = nxffs_format(volume);
- if (ret < 0)
- {
- fdbg("Failed to reformat the volume: %d\n", -ret);
- return ret;
- }
-
- /* Check for bad blocks */
-
- ret = nxffs_badblocks(volume);
- if (ret < 0)
- {
- fdbg("Bad block check failed: %d\n", -ret);
- }
- return ret;
-}
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