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PCI/AER: Add sysfs attributes to provide AER stats and breakdown

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Add sysfs attributes to provide total and breakdown of the AERs seen,
into different type of correctable, fatal and nonfatal errors:

  /sys/bus/pci/devices/<dev>/aer_dev_correctable
  /sys/bus/pci/devices/<dev>/aer_dev_fatal
  /sys/bus/pci/devices/<dev>/aer_dev_nonfatal

Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rajat Jain
2018-06-21 16:48:28 -07:00
committed by Bjorn Helgaas
parent db89ccbe52
commit 81aa5206f9
5 changed files with 197 additions and 0 deletions
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1
drivers/pci/pci.h
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@@ -484,6 +484,7 @@ static inline int devm_of_pci_get_host_bridge_resources(struct device *dev,
void pci_no_aer(void);
void pci_aer_init(struct pci_dev *dev);
void pci_aer_exit(struct pci_dev *dev);
extern const struct attribute_group aer_stats_attr_group;
#else
static inline void pci_no_aer(void) { }
static inline int pci_aer_init(struct pci_dev *d) { return -ENODEV; }