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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1409 This commit will add the AHCI mode ATA device support in the PEI phase. More specifically, the newly add AhciPei driver will consume the ATA AHCI host controller PPI for ATA controllers working under AHCI code within the system. And then produces the below PPIs for each controller: EDKII PEI ATA PassThru PPI Storage Security Command PPI Also, the driver will consume the S3StorageDeviceInitList LockBox in S3 phase. The purpose is to perform an on-demand (partial) ATA device enumeration/initialization on each controller to benefit the S3 resume performance. The implementation of this driver is currently based on the below specifications: Serial ATA Revision 2.6 Serial ATA Advanced Host Controller Interface (AHCI) 1.3.1 AT Attachment with Packet Interface - 6 (ATA/ATAPI-6) Cc: Jian J Wang <jian.j.wang@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Ray Ni <ray.ni@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.