mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
4a4e975bae
Add error injection capability to the test_firmware module specifically for firmware upload testing. Error injection instructions are transferred as the first part of the firmware payload. The format of an error injection string is similar to the error strings that may be read from the error sysfs node. To inject the error "programming:hw-error", one would use the error injection string "inject:programming:hw-error" as the firmware payload: $ echo 1 > loading $ echo inject:programming:hw-error > data $ echo 0 > loading $ cat status idle $ cat error programming:hw-error The first part of the error string is the progress state of the upload at the time of the error. The progress state would be one of the following: "preparing", "transferring", or "programming". The second part of the error string is one of the following: "hw-error", "timeout", "device-busy", "invalid-file-size", "read-write-error", "flash-wearout", and "user-abort". Note that all of the error strings except "user-abort" will fail without delay. The "user-abort" error will cause the firmware upload to stall at the requested progress state for up to 5 minutes to allow you to echo 1 to the cancel sysfs node. It is this cancellation that causes the 'user-abort" error. If the upload is not cancelled within the 5 minute time period, then the upload will complete without an error. Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Tianfei zhang <tianfei.zhang@intel.com> Tested-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220421212204.36052-8-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.