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path: root/Documentation/PCI/pcieaer-howto.txt
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2010-05-11PCI: aerdrv: introduce default_downstream_reset_linkHidetoshi Seto
I noticed that when I inject a fatal error to an endpoint via aer-inject, aer_root_reset() is called as reset_link for a downstream port at upstream of the endpoint: pcieport 0000:00:06.0: AER: Uncorrected (Fatal) error received: id=5401 : pcieport 0000:52:02.0: Root Port link has been reset It externally appears to be working, but internally issues some accesses to PCI_ERR_ROOT_COMMAND/STATUS registers that is for root port so not available on downstream port. This patch introduces default_downstream_reset_link that is a version of aer_root_reset() with no accesses to root port's register. It is used for downstream ports that has no reset_link function its specific. This patch also updates related description in pcieaer-howto.txt. Some minor fixes are included. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-05-11PCI: aerdrv, doc: update example output in pcieaer-howto.txtHidetoshi Seto
Follow new format. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-06-16PCI AER: software error injectionHuang Ying
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> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-06-16PCI AER: support invalid error source IDsZhang, Yanmin
When the bus id part of error source id is equal to 0 or nosourceid=1, make the kernel probe the AER status registers of all devices under the root port to find the initial error reporter. Reviewed-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-06-16PCI: PCIE AER: Document for PCIE AER software error injectionHuang Ying
This patch adds a minimal HOWTO for PCIE AER software error injection in Documentation/PCI/pcieaer-howto.txt. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-10-20PCI: fix AER capability checkYu Zhao
The 'use pci_find_ext_capability everywhere' cleanup brought a new bug, which makes the AER stop working. Fix it by actually using find_ext_cap instead of just find_cap. Drop the unused config space size define while we're at it. Signed-off-by: Yu Zhao <yu.zhao@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-04-20PCI: doc/pci: create Documentation/PCI/ and move files into itRandy Dunlap
Create Documentation/PCI/ and move PCI-related files to it. Fix a few instances of trailing whitespace. Update references to the new file locations. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>