PCI/ERR: Add pcie_link_rcec() to associate RCiEPs

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A Root Complex Event Collector terminates error and PME messages from
associated RCiEPs.

Use the RCEC Endpoint Association Extended Capability to identify
associated RCiEPs. Link the associated RCiEPs as the RCECs are enumerated.

Co-developed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Link: https://lore.kernel.org/r/20201121001036.8560-12-sean.v.kelley@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # non-native/no RCEC
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Sean V Kelley 2020-11-20 16:10:32 -08:00 • committed by Bjorn Helgaas

parent a175102b0a

commit 507b460f81

4 changed files with 100 additions and 0 deletions

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2

drivers/pci/pci.h

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3

drivers/pci/pcie/portdrv_pci.c

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94

drivers/pci/pcie/rcec.c

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1

include/linux/pci.h

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