On Mon 2009-12-28 14:12:24, Huang Ying wrote: > Add document for APEI, including kernel parameters and EINJ debug file > sytem interface. > > Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx> > --- > Documentation/acpi/apei/einj.txt | 49 +++++++++++++++++++++++++++++++++++ > Documentation/kernel-parameters.txt | 5 +++ > 2 files changed, 54 insertions(+), 0 deletions(-) > create mode 100644 Documentation/acpi/apei/einj.txt > > diff --git a/Documentation/acpi/apei/einj.txt b/Documentation/acpi/apei/einj.txt > new file mode 100644 > index 0000000..438ef33 > --- /dev/null > +++ b/Documentation/acpi/apei/einj.txt > @@ -0,0 +1,49 @@ > + APEI Error INJection > + ~~~~~~~~~~~~~~~~~~~~ > + > +EINJ provides a hardware error injection mechanism, it is very useful > +for debugging and testing of other APEI and RAS features. > + > +To use EINJ, make the following is enabled in your kernel > +configuration: > + > +CONFIG_DEBUG_FS > +CONFIG_ACPI_APEI > +CONFIG_ACPI_APEI_EINJ > + > +The user interface of EINJ is in debug file system, under the > +directory apei/einj. The following files are provided. > + > +- available_error_type > + Read this file will return the error injection capability of the > + platform, that is, which error types are supported. The error type > + definition is as follow, the left field is the error type value, the > + right field is error description. > + > + 0x00000001 Processor Correctable > + 0x00000002 Processor Uncorrectable non-fatal > + 0x00000004 Processor Uncorrectable fatal > + 0x00000008 Memory Correctable > + 0x00000010 Memory Uncorrectable non-fatal > + 0x00000020 Memory Uncorrectable fatal > + 0x00000040 PCI Express Correctable > + 0x00000080 PCI Express Uncorrectable fatal > + 0x00000100 PCI Express Uncorrectable non-fatal > + 0x00000200 Platform Correctable > + 0x00000400 Platform Uncorrectable non-fatal > + 0x00000800 Platform Uncorrectable fatal > + > + The format of file contents are as above, except there are only the > + available error type lines. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
