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PCI/AER: Add bus flag to skip source ID matching

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Allow root port buses to choose to skip source id matching when finding the
faulting device.  Certain root port devices may return an incorrect source
ID and recommend to scan child device registers for AER notifications.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Jon Derrick
2016-08-25 17:26:10 -06:00
committed by Bjorn Helgaas
parent 29b4817d40
commit 032c3d86b4
2 changed files with 8 additions and 4 deletions
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5
include/linux/pci.h
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@@ -187,8 +187,9 @@ enum pci_irq_reroute_variant {
typedef unsigned short __bitwise pci_bus_flags_t;
enum pci_bus_flags {
PCI_BUS_FLAGS_NO_MSI = (__force pci_bus_flags_t) 1,
PCI_BUS_FLAGS_NO_MMRBC = (__force pci_bus_flags_t) 2,
PCI_BUS_FLAGS_NO_MSI = (__force pci_bus_flags_t) 1,
PCI_BUS_FLAGS_NO_MMRBC = (__force pci_bus_flags_t) 2,
PCI_BUS_FLAGS_NO_AERSID = (__force pci_bus_flags_t) 4,
};
/* These values come from the PCI Express Spec */