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1a3bee2082
Currently, the implementation of EFI_PCI_IO_PROTOCOL::GetLocation() in NonDiscoverablePciDeviceDxe returns the same set of dummy values for each instance of the NON_DISCOVERABLE_DEVICE protocol that it attaches itself to. However, this turns out to be causing problems in cases where software (such as the ARM Compliance Test Suite [ACS]) attempts to use these values to uniquely identify controllers, since the collisions create ambiguity in this regard. So let's modify GetLocation() to return an arbitrary bus/device tuple on segment 0xff instead. This is guaranteed not to clash with other non-discoverable PCI devices, and highly unlikely to clash with real PCIe devices. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Tested-by: Marcin Wojtas <mw@semihalf.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
EDK II Project
A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.
Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1
The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:
- AppPkg/Applications/Python/Python-2.7.2/Tools/pybench
- AppPkg/Applications/Python/Python-2.7.2
- AppPkg/Applications/Python/Python-2.7.10
- BaseTools/Source/C/BrotliCompress
- MdeModulePkg/Library/BrotliCustomDecompressLib
- OvmfPkg
- CryptoPkg/Library/OpensslLib/openssl
The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.