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Merge branch 'pci/err'

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- Stop writing AER Capability when we don't own it (Sean V Kelley)

- Bind RCEC devices to the Port driver (Qiuxu Zhuo)

- Cache the RCEC RA Capability offset (Sean V Kelley)

- Add pci_walk_bridge() (Sean V Kelley)

- Clear AER status only when we control AER (Sean V Kelley)

- Recover from RCEC AER errors (Sean V Kelley)

- Add pcie_link_rcec() to associate RCiEPs with RCECs (Sean V Kelley)

- Recover from RCiEP AER errors (Sean V Kelley)

- Add pcie_walk_rcec() for RCEC AER handling (Sean V Kelley)

- Add pcie_walk_rcec() for RCEC PME handling (Sean V Kelley)

- Add RCEC AER error injection support (Qiuxu Zhuo)

* pci/err:
  PCI/AER: Add RCEC AER error injection support
  PCI/PME: Add pcie_walk_rcec() to RCEC PME handling
  PCI/AER: Add pcie_walk_rcec() to RCEC AER handling
  PCI/ERR: Recover from RCiEP AER errors
  PCI/ERR: Add pcie_link_rcec() to associate RCiEPs
  PCI/ERR: Recover from RCEC AER errors
  PCI/ERR: Clear AER status only when we control AER
  PCI/ERR: Add pci_walk_bridge() to pcie_do_recovery()
  PCI/ERR: Avoid negated conditional for clarity
  PCI/ERR: Use "bridge" for clarity in pcie_do_recovery()
  PCI/ERR: Simplify by computing pci_pcie_type() once
  PCI/ERR: Simplify by using pci_upstream_bridge()
  PCI/ERR: Rename reset_link() to reset_subordinates()
  PCI/ERR: Cache RCEC EA Capability offset in pci_init_capabilities()
  PCI/ERR: Bind RCEC devices to the Root Port driver
  PCI/AER: Write AER Capability only when we control it
This commit is contained in:
Bjorn Helgaas
2020-12-15 15:11:06 -06:00
parent e8722508dd d292dd0eb3
commit 6a94785fb9
13 changed files with 405 additions and 70 deletions
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5
include/linux/pci.h
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@@ -305,6 +305,7 @@ struct pcie_link_state;
struct pci_vpd;
struct pci_sriov;
struct pci_p2pdma;
struct rcec_ea;
/* The pci_dev structure describes PCI devices */
struct pci_dev {
@@ -327,6 +328,10 @@ struct pci_dev {
#ifdef CONFIG_PCIEAER
u16 aer_cap; /* AER capability offset */
struct aer_stats *aer_stats; /* AER stats for this device */
#endif
#ifdef CONFIG_PCIEPORTBUS
struct rcec_ea *rcec_ea; /* RCEC cached endpoint association */
struct pci_dev *rcec; /* Associated RCEC device */
#endif
u8 pcie_cap; /* PCIe capability offset */
u8 msi_cap; /* MSI capability offset */