Merge tag 'cxl-fixes-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl fixes from Dan Williams:
 "A collection of regression fixes, bug fixes, and some small cleanups
  to the Compute Express Link code.

  The regressions arrived in the v6.5 dev cycle and missed the v6.6
  merge window due to my personal absences this cycle. The most
  important fixes are for scenarios where the CXL subsystem fails to
  parse valid region configurations established by platform firmware.
  This is important because agreement between OS and BIOS on the CXL
  configuration is fundamental to implementing "OS native" error
  handling, i.e. address translation and component failure
  identification.

  Other important fixes are a driver load error when the BIOS lets the
  Linux PCI core handle AER events, but not CXL memory errors.

  The other fixex might have end user impact, but for now are only known
  to trigger in our test/emulation environment.

  Summary:

   - Fix multiple scenarios where platform firmware defined regions fail
     to be assembled by the CXL core.

   - Fix a spurious driver-load failure on platforms that enable OS
     native AER, but not OS native CXL error handling.

   - Fix a regression detecting "poison" commands when "security"
     commands are also defined.

   - Fix a cxl_test regression with the move to centralize CXL port
     register enumeration in the CXL core.

   - Miscellaneous small fixes and cleanups"

* tag 'cxl-fixes-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/acpi: Annotate struct cxl_cxims_data with __counted_by
  cxl/port: Fix cxl_test register enumeration regression
  cxl/region: Refactor granularity select in cxl_port_setup_targets()
  cxl/region: Match auto-discovered region decoders by HPA range
  cxl/mbox: Fix CEL logic for poison and security commands
  cxl/pci: Replace host_bridge->native_aer with pcie_aer_is_native()
  PCI/AER: Export pcie_aer_is_native()
  cxl/pci: Fix appropriate checking for _OSC while handling CXL RAS registers

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/aer.h b/include/linux/aer.h
index 2dd175f5debd..29cc10220952 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -42,11 +42,13 @@ struct aer_capability_regs {
 
 #if defined(CONFIG_PCIEAER)
 int pci_aer_clear_nonfatal_status(struct pci_dev *dev);
+int pcie_aer_is_native(struct pci_dev *dev);
 #else
 static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)
 {
 	return -EINVAL;
 }
+static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; }
 #endif
 
 void cper_print_aer(struct pci_dev *dev, int aer_severity,