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@xxxxxxxxx> > > > > --- > > 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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