Re: [PATCH 3/4] PCI: PCIE AER: PCIE AER software error injection

Huang Ying
2009-04-28T07:41:12Z

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Hi, All,

The PCIE AER software error injection user space tool has been put in:

http://www.kernel.org/pub/linux/utils/pci/aer-inject/

This is the final place. I will change description in success version of
patches.

Best Regards,
Huang Ying

On Fri, 2009-04-24 at 12:32 +0800, Kenji Kaneshige wrote:
> Huang Ying wrote:
> > Debugging PCIE AER code can be very difficult because it is hard to
> > trigger various real hardware errors. This patch provide a software
> > based error injection tool, which can fake various PCIE errors with a
> > user space helper tool named "aer-inject". Which can be gotten from:
> >
> > http://www.kernel.org/pub/linux/kernel/people/yhuang/
> >
> > The patch fakes AER error by faking some PCIE AER related registers
> > and an AER interrupt for specified the PCIE device.
> >
> > Signed-off-by: Huang Ying <ying.huang@intel.com>
> >
> > ---
> > drivers/pci/pcie/aer/Kconfig | 2
> > drivers/pci/pcie/aer/Kconfig.debug | 18 +
> > drivers/pci/pcie/aer/Makefile | 1
> > drivers/pci/pcie/aer/aer_inject.c | 472 +++++++++++++++++++++++++++++++++++++
> > 4 files changed, 493 insertions(+)
> >
> > --- /dev/null
> > +++ b/drivers/pci/pcie/aer/aer_inject.c
> > @@ -0,0 +1,472 @@
> > +/*
> > + * PCIE AER software error injection support.
> > + *
> > + * Debuging PCIE AER code is quite difficult because it is hard to
> > + * trigger various real hardware errors. Software based error
> > + * injection can fake almost all kinds of errors with the help of a
> > + * user space helper tool aer-inject, which can be gotten from:
> > + * http://www.kernel.org/pub/utils/pcie/aer-inject
>
> Shouldn't it be
>
> http://www.kernel.org/pub/linux/kernel/people/yhuang/
>
> ?
>
> (snip.)
>
> > --- /dev/null
> > +++ b/drivers/pci/pcie/aer/Kconfig.debug
> > @@ -0,0 +1,18 @@
> > +#
> > +# PCI Express Root Port Device AER Debug Configuration
> > +#
> > +
> > +config PCIEAER_INJECT
> > + tristate "PCIE AER error injector support"
> > + depends on PCIEAER
> > + default n
> > + help
> > + This enables PCI Express Root Port Advanced Error Reporting
> > + (AER) software error injector.
> > +
> > + Debuging PCIE AER code is quite difficult because it is hard
> > + to trigger various real hardware errors. Software based
> > + error injection can fake almost all kinds of errors with the
> > + help of a user space helper tool aer-inject, which can be
> > + gotten from:
> > + http://www.kernel.org/pub/utils/pcie/aer-inject
> >
>
> Ditto.
>
> Thanks,
> Kenji Kaneshige
>

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