Hi, You can also review this patch into the below edk2-staging repo:- https://github.com/ashrafj/edk2-staging/commit/84ec9f060bab7d5ec97b36367e87124820694934
Thanks Ashraf > -----Original Message----- > From: [email protected] <[email protected]> On Behalf Of Javeed, > Ashraf > Sent: Friday, January 10, 2020 9:24 AM > To: [email protected] > Cc: Kinney, Michael D <[email protected]>; Gao, Liming > <[email protected]>; Ni, Ray <[email protected]> > Subject: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V8] > MdePkg/Protocols: New PCI Express Platform Protocol, EFI encodings > > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1954 > > Three interfaces added to PCI Express Platform Protocol:- > (1) GetDevicePolicy() -> to retrieve device-specific platform policies > (2) NotifyDeviceState() -> to notify platform about device PCI Express > configuration state > (3) GetPolicy() -> to retrieve platform policy about the PCI Express > feature list > PCI Express Override Protocol is made alias to PCI Express Platform Protocol. > EFI encodings introduced for the following PCI Express features, are: > 1. Maximum Payload Size (MPS) > 2. Maximum Read Request Size (MRRS) > 3. Extended Tag > 4. Relax Order Enable > 5. No Snoop Enable > 6. ASPM support > 7. Common Clock Configuration > 8. Extended SYNC > 9. Atomic Op > 10. LTR Enable > 11. PTM support > 12. CTO support > 13. CPM > 14. L1 PM Substates > > New source files with unique definitions are: > MdePkg/Include/Protocol/PciExpressPlatform.h, > MdePkg/Include/Protocol/PciExpressOverride.h > > Signed-off-by: Ashraf Javeed <[email protected]> > Cc: Michael D Kinney <[email protected]> > Cc: Liming Gao <[email protected]> > Cc: Ray Ni <[email protected]> > --- > > In V8: Code Syntax correction made. > > In V7: Revised ECR to define additional interface GetPolicy() in the PCI > Express > Platform Protocol / PCI Express Override Protocol, Renamed > EFI_PCI_EXPRESS_PLATFORM_POLICY to EFI_PCI_EXPRESS_DEVICE_POLICY, > Removed the reserved fields from the EFI_PCI_EXPRESS_DEVICE_POLICY, added > input parameter to give the length of input buffer in GetDevicePolicy(), and > NotifyDeviceState(), introduced new data type > EFI_PCI_EXPRESS_PLATFORM_POLICY for the interface GetPolicy(). > > In V6: renamed the protocol definition source files, remove PCD comments, and > renamed NotifyDeviceConfiguration -> NotifyDeviceState > > In V5: Revised ECR to define new PCI Platform Protocol to support the PCI > Express capability features:- EFI_PCI_EXPRESS_PLATFORM_PROTOCOL, > EFI_PCI_EXPRESS_OVERRIDE_PROTOCOL. > Added new interface -> NotifyDeviceConfiguration Added new EFI encodings / > data types for PCIe features:- CPM, L1 PM substates. > Enhance the definition of the PCIe feature AtomicOp to support additional > attribute - Egress blocking of the port. > > In V4: Redefinition of the existing interfaces in the EFI_PCI_PLATFORM_- > PROTOCOL2, to avoid type casting and to avoid further future change > > In V3: License update in the header sections of source files > > In V2: Correction made to header sections of source files > --- > MdePkg/Include/Protocol/PciExpressPlatform.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/MdePkg/Include/Protocol/PciExpressPlatform.h > b/MdePkg/Include/Protocol/PciExpressPlatform.h > index 8a28418..dc58268 100644 > --- a/MdePkg/Include/Protocol/PciExpressPlatform.h > +++ b/MdePkg/Include/Protocol/PciExpressPlatform.h > @@ -643,11 +643,11 @@ typedef struct { > **/ > typedef > EFI_STATUS > -(EFIAPI * EFI_PCI_EXPRESS_GET_POLICY) { > +(EFIAPI * EFI_PCI_EXPRESS_GET_POLICY) ( > IN CONST EFI_PCI_EXPRESS_PLATFORM_PROTOCOL *This, > IN UINTN Size, > IN OUT EFI_PCI_EXPRESS_PLATFORM_POLICY *PlatformPolicy > -}; > +); > > /// > /// This protocol provides the interface between the PCI bus driver/PCI Host > -- > 2.21.0.windows.1 > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#53117): https://edk2.groups.io/g/devel/message/53117 Mute This Topic: https://groups.io/mt/69594616/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
