| # Copyright 2015 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # pylint: disable=undefined-variable |
| |
| |
| """Python bindings for working with Linux MTD.""" |
| |
| import collections |
| import _py_mtd |
| |
| MtdEccStats = collections.namedtuple( |
| 'MtdEccStats', 'corrected failed badblocks bbtblocks') |
| |
| def eccstats(mtddev): |
| """Return Linux MTD stats for an MTD device. |
| |
| Arguments: |
| mtddev: a path to an mtd device, like /dev/mtd1 |
| |
| Returns: |
| a namedtuple with the following fields: |
| corrected: errors corrected via ECC |
| failed: uncorrectable ECC errors |
| badblocks: blocks marked bad |
| bbtblocks: blocks reserved for bad block tables |
| """ |
| (corrected, failed, badblocks, bbtblocks) = _py_mtd.eccstats(mtddev) |
| return MtdEccStats(corrected=corrected, failed=failed, badblocks=badblocks, |
| bbtblocks=bbtblocks) |
