[edk2-devel] [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Make comments consistent with code

2019-07-29 Thread Zhang, Shenglei
Cc: Eric Dong Cc: Ray Ni Cc: Laszlo Ersek Signed-off-by: Shenglei Zhang --- UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 2 +- UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg

Re: [edk2-devel] [PATCH v2 3/3] OvmfPkg/build.sh: remove $ADD_QEMU_HDA

2019-07-29 Thread Jordan Justen
On 2019-07-29 19:24:00, wrote: > On 2019-07-24 16:56, Jordan Justen wrote: > > Reviewed-by: Jordan Justen > > > > On 2019-07-24 14:44:05, Rebecca Cran wrote: > >> $ADD_QEMU_HDA was added because QEMU used to refuse to run without a > >> disk. Since newer versions run without any disks, remove it.

Re: [edk2-devel] [PATCH 0/4] Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
Yes, we will remove them later after confirming no impact to all platforms. Regards, Chasel > -Original Message- > From: Gao, Liming > Sent: Tuesday, July 30, 2019 11:46 AM > To: Chiu, Chasel ; devel@edk2.groups.io > Cc: Kubacki, Michael A ; Sinha, Ankit > ; Desimone, Nathaniel L > >

Re: [edk2-devel] [PATCH V2 5/6] MdePkg/Cpuid.h: Move Cpuid.h from UefiCpuPkg to MdePkg

2019-07-29 Thread Liming Gao
Mike: OK. If so, the consumer code also need to obviously include vendor header file, such as #include . Right? Thanks Liming > -Original Message- > From: Kinney, Michael D > Sent: Tuesday, July 30, 2019 11:42 AM > To: Gao, Liming ; Ni, Ray ; > devel@edk2.groups.io; Kinney, Michael D >

Re: [edk2-devel] [PATCH 0/4] Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Liming Gao
Chasel: This is a good enhancement. With this change, can RebaseAndPatchFspBinBaseAddress.py and PatchFspBinFvsBaseAddress.py be removed? Thanks Liming > -Original Message- > From: Chiu, Chasel > Sent: Monday, July 29, 2019 7:07 PM > To: devel@edk2.groups.io > Cc: Kubacki, Michael A ; S

Re: [edk2-devel] [PATCH V2 5/6] MdePkg/Cpuid.h: Move Cpuid.h from UefiCpuPkg to MdePkg

2019-07-29 Thread Michael D Kinney
Liming, There is an unresolved discussion on the location of this file in the MdePkg. I prefer a vendor name in the path. MdePkg/Include/Register/Intel/Cpuid.h Also, after this file is moved to MdePkg, we can enter new BZs to update all the modules that call AsmCpuid and AsmCpuidEx to use

Re: [edk2-devel] [PATCH V2 5/6] MdePkg/Cpuid.h: Move Cpuid.h from UefiCpuPkg to MdePkg

2019-07-29 Thread Liming Gao
The change is good to me. Reviewed-by: Liming Gao > -Original Message- > From: Ni, Ray > Sent: Wednesday, July 24, 2019 6:00 PM > To: devel@edk2.groups.io > Cc: Kinney, Michael D ; Gao, Liming > ; Dong, Eric ; Laszlo > Ersek > Subject: [PATCH V2 5/6] MdePkg/Cpuid.h: Move Cpuid.h from Ue

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Liming Gao
For this patch, I am OK to add it into edk2-staging/UEFI_PCI_ENHANCE-2 first, and for further discussion. Thanks Liming > -Original Message- > From: Javeed, Ashraf > Sent: Monday, July 29, 2019 10:40 PM > To: Yao, Jiewen ; devel@edk2.groups.io; Gao, Liming > > Cc: Kinney, Michael D ; N

Re: [edk2-devel] [PATCH V3] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file

2019-07-29 Thread Liming Gao
Reviewed-by: Liming Gao > -Original Message- > From: Chen, Marc W > Sent: Monday, July 29, 2019 4:41 PM > To: devel@edk2.groups.io > Cc: Kinney, Michael D ; Gao, Liming > ; Ni, Ray > Subject: [PATCH V3] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file > > This is a special GUID extension

Re: [edk2-devel] [PATCH v2 3/3] OvmfPkg/build.sh: remove $ADD_QEMU_HDA

2019-07-29 Thread rebecca
On 2019-07-24 16:56, Jordan Justen wrote: > Reviewed-by: Jordan Justen > > On 2019-07-24 14:44:05, Rebecca Cran wrote: >> $ADD_QEMU_HDA was added because QEMU used to refuse to run without a >> disk. Since newer versions run without any disks, remove it. >> >> Signed-off-by: Rebecca Cran Could

Re: [edk2-devel] [Patch 02/11] BaseTools: Split WorkspaceAutoGen._InitWorker into multiple functions

2019-07-29 Thread Bob Feng
Hi Phil, Thanks for your comments. I agree it will be easier to review if this patch is split into multiple smaller ones. Since the later patches in Multiple-process autogen patch series are based on this patch. It will be bigger effort to recreate this whole patch series. So I'd like to prefe

Re: [edk2-devel] [PATCH] CryptoPkg/BaseCryptLib: Use cmp-operator for non-Boolean comparisons

2019-07-29 Thread Wang, Jian J
Reviewed-by: Jian J Wang > -Original Message- > From: Gao, Zhichao > Sent: Tuesday, July 30, 2019 9:48 AM > To: devel@edk2.groups.io > Cc: Wang, Jian J ; Ye, Ting > Subject: [PATCH] CryptoPkg/BaseCryptLib: Use cmp-operator for non- > Boolean comparisons > > REF: https://bugzilla.tian

[edk2-devel] [PATCH] CryptoPkg/BaseCryptLib: Use cmp-operator for non-Boolean comparisons

2019-07-29 Thread Gao, Zhichao
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2027 Refer to CSS_2_1 5.7.2.1 "Non-Boolean comparisons must use a compare operator (==, !=, >, < >=, <=).", use compare operator for the non-boolean comparisons. Cc: Jian Wang Cc: Ting Ye Signed-off-by: Zhichao Gao --- .../BaseCryptLib/Pk/Cr

Re: [edk2-devel][Patch 1/3] MdePkg/UefiDebugLibConOut: Add destructor to CloseEvent

2019-07-29 Thread Liming Gao
Philippe: > -Original Message- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of > Philippe Mathieu-Daudé > Sent: Tuesday, July 30, 2019 1:49 AM > To: Laszlo Ersek ; devel@edk2.groups.io; Xu, Wei6 > > Cc: Kinney, Michael D ; Gao, Liming > > Subject: Re: [edk2-dev

Re: [edk2-devel] [PATCH 0/4] Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
Thanks for the good catch! I have corrected BZ and will update subject from next patch. Thanks! Chasel > -Original Message- > From: Laszlo Ersek [mailto:ler...@redhat.com] > Sent: Monday, July 29, 2019 9:47 PM > To: devel@edk2.groups.io; Chiu, Chasel > Cc: Kubacki, Michael A ; Sinha, A

Re: [edk2-devel] [edk2-non-osi/devel-MinPlatform][PATCH] Added cpuid 806EA microcode binary

2019-07-29 Thread Chiu, Chasel
Reviewed-by: Chasel Chiu > -Original Message- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of > Agyeman, Prince > Sent: Tuesday, July 30, 2019 2:05 AM > To: devel@edk2.groups.io > Cc: Sinha, Ankit ; Desimone, Nathaniel L > ; Kubacki, Michael A > ; Kinney, Michael

Re: [edk2-devel] [edk2-non-osi] [PATCH 6/6] Cleanup maintainers, contributions, and licenses

2019-07-29 Thread Michael D Kinney
Hi Nate, Reviewed-by: Michael D Kinney Overall, the series looks good. There are some minor issues in the commit messages: * "reviewed-by" should be "Reviewed-by" * Names should first name then last name with no commas. * Subject should contain package/module followed by the brief descriptio

[edk2-devel] [edk2-non-osi/devel-MinPlatform][PATCH] Added cpuid 806EA microcode binary

2019-07-29 Thread Agyeman, Prince
Cc: Ankit Sinha Cc: Nate DeSimone Cc: Michael Kubacki Cc: Michael D Kinney Cc: Jiewen Yao Signed-off-by: Agyeman --- .../Microcode/MicrocodeUpdates.inf | 1 + .../Microcode/mC0806EA_00B4.mcb | Bin 0 -> 99328 bytes 2 files changed, 1 insertion(+) create mode

[edk2-devel] [PATCH 1/2] ArmPkg: DebugPeCoffExtraActionLib: debugger commands are not errors

2019-07-29 Thread Philippe Mathieu-Daudé
In commit 1fce963d89f3e we reduced the level of information printed by PeCoffLoaderRelocateImageExtraAction() but we did not update the similar PeCoffLoaderUnloadImageExtraAction() function. PeCoffLoaderUnloadImageExtraAction() prints helpful debugger commands for source level debugging. These mes

[edk2-devel] [PATCH 2/2] ArmPkg: DebugPeCoffExtraActionLib: fix trivial typos

2019-07-29 Thread Philippe Mathieu-Daudé
Fix a pair of trivial typos by inserting a space. Cc: Leif Lindholm Cc: Ard Biesheuvel Signed-off-by: Philippe Mathieu-Daude --- .../DebugPeCoffExtraActionLib/DebugPeCoffExtraActionLib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ArmPkg/Library/DebugPeCoffExtr

[edk2-devel] [PATCH 0/2] ArmPkg: DebugPeCoffExtraActionLib: debugger commands are not errors

2019-07-29 Thread Philippe Mathieu-Daudé
Hi, This series completes the cleanup from commit 1fce963d89f3 ("ArmPkg: DebugPeCoffExtraActionLib: debugger commands are not errors", from 2015-03-02), on PeCoffLoaderUnloadImageExtraAction(). This solves an issue when building in silent mode with -D DEBUG_PRINT_ERROR_LEVEL=0x8000. With the

Re: [edk2-devel] [edk2-non-osi] [PATCH 4/6] replace FSP license file.

2019-07-29 Thread Michael D Kinney
This look like a good clean up to remove the PDF file. Can you please enter a BZ for this. This patch was already reviewed in the devel branch, and I prefer to add it in its current form and look into the conversion from PDF to a text file as an additional task. Thanks, Mike > -Original Me

Re: [edk2-devel][Patch 1/3] MdePkg/UefiDebugLibConOut: Add destructor to CloseEvent

2019-07-29 Thread Philippe Mathieu-Daudé
On 7/29/19 6:09 PM, Laszlo Ersek wrote: > On 07/29/19 16:38, Philippe Mathieu-Daudé wrote: >> Hi, >> >> On 7/26/19 5:10 AM, Xu, Wei6 wrote: >>> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2012 >>> >>> When driver is unloaded, the ExitBootSerivesEvent must be closed at >>> the same time. Oth

Re: [edk2-devel] [edk2-platforms Patch 0/3] Replace BSD License with BSD+Patent License

2019-07-29 Thread Michael D Kinney
Thank you for the reviews Pushed at 9181684081..52e4b254f6 Mike From: Marcin Wojtas [mailto:m...@semihalf.com] Sent: Wednesday, July 24, 2019 1:46 PM To: Kinney, Michael D Cc: edk2-devel-groups-io ; Leif Lindholm ; Ard Biesheuvel Subject: Re: [edk2-platforms Patch 0/3] Replace BSD License wi

Re: [edk2-devel] [PATCH 1/1] CryptoPkg/BaseCryptLib: Wrap OpenSSL HKDF algorithm

2019-07-29 Thread Gary West
I will update and resubmit for item a (add NULL) and item b (remove duplicate EVP_PKEY_CTX_free) but the changing the code as suggested looks more complex to me. I think the user of the label follows the pattern of other EDK2 code. A single if with multiple function calls and relying on short ci

Re: [edk2-devel][Patch 1/3] MdePkg/UefiDebugLibConOut: Add destructor to CloseEvent

2019-07-29 Thread Laszlo Ersek
On 07/29/19 16:38, Philippe Mathieu-Daudé wrote: > Hi, > > On 7/26/19 5:10 AM, Xu, Wei6 wrote: >> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2012 >> >> When driver is unloaded, the ExitBootSerivesEvent must be closed at >> the same time. Otherwise exception will occur when ExitBootService

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Javeed, Ashraf
I did discuss this option with Ray; the thing is there is already a pair of protocols defined to retrieve platform policy - PCI Platform Protocol and its alias PCI Override Protocol; a new protocol would be third one for the same purpose, to be consumed by the PCI Bus driver or PCI Root Bridge R

[edk2-devel] [PATCH v4 13/35] OvmfPkg/Library/XenPlatformLib: New library

2019-07-29 Thread Anthony PERARD
The purpose of XenPlatformLib is to regroup the few functions that are used in several places to detect if Xen is detected, and to get the XenInfo HOB. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v4: - fix t

[edk2-devel] [PATCH v4 22/35] OvmfPkg/XenPlatformPei: no hvmloader: get the E820 table via hypercall

2019-07-29 Thread Anthony PERARD
When the Xen PVH entry point has been used, hvmloader hasn't run and hasn't prepared an E820 table. The only way left to get an E820 table is to ask Xen via an hypercall, the call can only be made once so keep the result cached for later. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Si

[edk2-devel] [PATCH v4 14/35] OvmfPkg/AcpiPlatformDxe: Use XenPlatformLib

2019-07-29 Thread Anthony PERARD
This patch replace the XenDetected() function by the one in XenPlatformLib. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v4: - removed gEfiXenInfoGuid from Guids list. v3: - new patch, splited fr

[edk2-devel] [PATCH v4 30/35] OvmfPkg/OvmfXen: Introduce XenTimerDxe

2019-07-29 Thread Anthony PERARD
"OvmfPkg/8254TimerDxe" is replaced with a Xen-specific EFI_TIMER_ARCH_PROTOCOL implementation. Also remove 8259InterruptControllerDxe as it is not used anymore. This Timer uses the local APIC timer as time source as it can work on both a Xen PVH guest and an HVM one. Based on the "OvmfPkg/8254Tim

[edk2-devel] [PATCH v4 27/35] OvmfPkg/PlatformBootManagerLib: Use XenDetected from XenPlatformLib

2019-07-29 Thread Anthony PERARD
Replace the XenDetected() implementation by the one from XenPlatformLib. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v4: - removed gEfiXenInfoGuid from Guids list and the associated include of Guid/Xen

[edk2-devel] [PATCH v4 17/35] OvmfPkg/XenPlatformPei: Reinit XenHypercallLib

2019-07-29 Thread Anthony PERARD
The XenPlatformPei needs to make hypercalls, but the XenHypercallLib was initialised before the HyperPage was ready. Now that XenPlatformPei has initialised the HyperPage, reinitialise the XenHypercallLib. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Revi

[edk2-devel] [PATCH v4 10/35] OvmfPkg/XenPlatformPei: Detect OVMF_INFO from hvmloader

2019-07-29 Thread Anthony PERARD
EFI_XEN_OVMF_INFO is only useful to retrieve the E820 table. The mXenHvmloaderInfo isn't used yet, but will be use in a further patch to retrieve the E820 table. Also remove the unused pointer from the XenInfo HOB as that information is only useful in the XenPlatformPei. Ref: https://bugzilla.tia

[edk2-devel] [PATCH v4 15/35] OvmfPkg/AcpiPlatformDxe: Use Xen PVH RSDP if it exist

2019-07-29 Thread Anthony PERARD
If the firmware have been started via the Xen PVH entry point, a RSDP pointer would have been provided. Use it. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v4: - fix coding style v3: - patch spl

[edk2-devel] [PATCH v4 24/35] OvmfPkg/XenPlatformPei: Reserve VGA memory region, to boot Linux

2019-07-29 Thread Anthony PERARD
Linux panic if the VGA region isn't reserved. When Linux is booted on EFI system, it expects the memory at 0xa to _not_ be conventional memory. Otherwise a variable isn't initialised properly and Linux panic when a virtual console/terminal is asked to be created. See for more detail: https://

[edk2-devel] [PATCH v4 26/35] OvmfPkg/XenPlatformLib: Cache result for XenDetected

2019-07-29 Thread Anthony PERARD
We are going to replace XenDetected() implementation in PlatformBootManagerLib by the one in XenPlatformLib. PlatformBootManagerLib's implementation does cache the result of GetFirstGuidHob(), so we do something similar in XenPlatformLib. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Si

[edk2-devel] [PATCH v4 32/35] OvmfPkg: Introduce PcdXenGrantFrames

2019-07-29 Thread Anthony PERARD
Introduce PcdXenGrantFrames to replace a define in XenBusDxe and allow the same value to be used in a different module. The reason for the number of page to be 4 doesn't exist anymore, so simply remove the comment. Signed-off-by: Anthony PERARD --- OvmfPkg/OvmfPkg.dec | 3 +++ OvmfP

[edk2-devel] [PATCH v4 23/35] OvmfPkg/XenPlatformPei: Rework memory detection

2019-07-29 Thread Anthony PERARD
When running as a Xen PVH guest, there is no CMOS to read the memory size from. Rework GetSystemMemorySize(Below|Above)4gb() so they can work without CMOS by reading the e820 table. Rework XenPublishRamRegions to also care for the reserved and ACPI entry in the e820 table. The region that was add

[edk2-devel] [PATCH v4 29/35] OvmfPkg/OvmfXen: Override PcdFSBClock to Xen vLAPIC timer frequency

2019-07-29 Thread Anthony PERARD
PcdFSBClock is used by SecPeiDxeTimerLibCpu, the TimerLib implementation. It will also be used by XenTimerDxe. Override PcdFSBClock to match Xen vLAPIC timer frequency. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- Notes: v

[edk2-devel] [PATCH v4 12/35] OvmfPkg/XenPlatformPei: Grab RSDP from PVH guest start of day struct

2019-07-29 Thread Anthony PERARD
Check if there's a start of the day struct provided to PVH guest, save the ACPI RSDP address for later. This patch import import arch-x86/hvm/start_info.h from xen.git. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- Notes:

[edk2-devel] [PATCH v4 33/35] OvmfPkg: Introduce XenIoPvhDxe to initialize Grant Tables

2019-07-29 Thread Anthony PERARD
XenIoPvhDxe use XenIoMmioLib to reserve some space to be use by the Grant Tables. The call is only done if it is necessary, we simply detect if the guest is PVH, as in this case there is currently no PCI bus, and no PCI Xen platform device which would start the XenIoPciDxe and allocate the space f

[edk2-devel] [PATCH v4 18/35] OvmfPkg/XenPlatformPei: Introduce XenHvmloaderDetected

2019-07-29 Thread Anthony PERARD
This new XenHvmloaderDetected() return true if the hvmloader firmware has runned before OVMF. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- Notes: v3: - Added one sentence in the commit message. OvmfPkg/XenPlatformPei

[edk2-devel] [PATCH v4 31/35] OvmfPkg/PlatformBootManagerLib: Use a Xen console for ConOut/ConIn

2019-07-29 Thread Anthony PERARD
On a Xen PVH guest, none of the existing serial or console interface works, so we add a new one, based on XenConsoleSerialPortLib, and implemented via SerialDxe. That is a simple console implementation that can works on both PVH guest and HVM guests, even if it rarely going to be use on HVM. Have

[edk2-devel] [PATCH v4 20/35] OvmfPkg/XenPlatformPei: Introduce XenPvhDetected

2019-07-29 Thread Anthony PERARD
XenPvhDetected() can be used to figure out if OVMF has started via the Xen PVH entry point. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- OvmfPkg/XenPlatformPei/Platform.h | 5 + OvmfPkg/XenPlatformPei/Xen.c | 13

[edk2-devel] [PATCH v4 19/35] OvmfPkg/XenPlatformPei: Setup HyperPages earlier

2019-07-29 Thread Anthony PERARD
We are going to need to make an hypercall in order to retreive the E820 table from the hypervisor before been able to setup the memory. Calling XenConnect earlier will allow to setup the XenHypercallLib earlier to allow to make hypercalls. While here, add some comments in XenConnect(). Ref: http

[edk2-devel] [PATCH v4 21/35] OvmfPkg: Import XENMEM_memory_map hypercall to Xen/memory.h

2019-07-29 Thread Anthony PERARD
The informations to make a XENMEM_memory_map hypercall is copied over from the public header of the Xen Project, with the type name modified to build on OVMF. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- Notes: v3: - e

[edk2-devel] [PATCH v4 34/35] OvmfPkg: Move XenRealTimeClockLib from ArmVirtPkg

2019-07-29 Thread Anthony PERARD
Move XenRealTimeClockLib from ArmVirtPkg to OvmfPkg so it can be used from the OvmfPkg by the following patch, "OvmfPkg/OvmfXen: use RealTimeClockRuntimeDxe from EmbeddedPkg" Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Not

[edk2-devel] [PATCH v4 16/35] OvmfPkg/XenHypercallLib: Enable it in PEIM

2019-07-29 Thread Anthony PERARD
Allow to use Xen hypercalls earlier, during the PEIM stage, but XenHypercallLibInit() must be called once the XenInfo HOB is created with the HyperPage setup. Change the return value of XenHypercallLibInit so failure can be detected when the call shouldn't fail, but still have the constructor alwa

[edk2-devel] [PATCH v4 35/35] OvmfPkg/OvmfXen: use RealTimeClockRuntimeDxe from EmbeddedPkg

2019-07-29 Thread Anthony PERARD
A Xen PVH guest doesn't have a RTC that OVMF would expect, so PcatRealTimeClockRuntimeDxe fails to initialize and prevent the firmware from finish to boot. To prevent that, we will use XenRealTimeClockLib which simply always return the same time. This will work on both Xen PVH and HVM guests. Ref:

[edk2-devel] [PATCH v4 28/35] OvmfPkg/PlatformBootManagerLib: Handle the absence of PCI bus on Xen PVH

2019-07-29 Thread Anthony PERARD
When running in a Xen PVH guest, there's nothing to do in PciAcpiInitialization() because there isn't any PCI bus. When the Host Bridge DID isn't recognised, simply continue. (The value of PcdOvmfHostBridgePciDevId would be 0 because it isn't set.) Ref: https://bugzilla.tianocore.org/show_bug.cgi?

[edk2-devel] [PATCH v4 11/35] OvmfPkg/XenPlatformPei: Use mXenHvmloaderInfo to get E820

2019-07-29 Thread Anthony PERARD
Use the already checked pointer mXenHvmloaderInfo to retrieve the E820 table produced by hvmloader. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- OvmfPkg/XenPlatformPei/Xen.c | 18 +- 1 file changed, 9 insertion

[edk2-devel] [PATCH v4 25/35] OvmfPkg/XenPlatformPei: Ignore missing PCI Host Bridge on Xen PVH

2019-07-29 Thread Anthony PERARD
When the device ID of the host bridge is unknown, check if we are running as a PVH guest as there is no PCI bus in that case. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD Acked-by: Laszlo Ersek --- Notes: v3: - Remove use of XEN_PVH_PCI_HOST_BRI

[edk2-devel] [PATCH v4 02/35] OvmfPkg: Create platform OvmfXen

2019-07-29 Thread Anthony PERARD
OvmfXen is a copy of OvmfX64, removing VirtIO and some SMM. This new platform will be changed to make it works on two types of Xen guest: HVM and PVH. Compare to OvmfX64, this patch: - changed: PLATFORM_GUID, OUTPUT_DIRECTORY, FLASH_DEFINITION - removed: VirtioLib class resolution - removed: all

[edk2-devel] [PATCH v4 01/35] OvmfPkg/ResetSystemLib: Add missing dependency on PciLib

2019-07-29 Thread Anthony PERARD
Add missing dependency on PciLib and remove extra includes of OvmfPlatforms.h. Signed-off-by: Anthony PERARD Reviewed-by: Laszlo Ersek --- Notes: v2: - also add PciLib.h include to the .c - and remove extra include of OvmfPlatforms.h OvmfPkg/Library/ResetSystemLib/ResetSystemLib.i

[edk2-devel] [PATCH v4 06/35] OvmfPkg/XenResetVector: Add new entry point for Xen PVH

2019-07-29 Thread Anthony PERARD
Add a new entry point for Xen PVH that enter directly in 32bits. Information on the expected state of the machine when this entry point is used can be found at: https://xenbits.xenproject.org/docs/unstable/misc/pvh.html Also, compare to the original file [1], the two `nop' of the "resetVector" en

[edk2-devel] [PATCH v4 03/35] OvmfPkg: Introduce XenResetVector

2019-07-29 Thread Anthony PERARD
Introduce XenResetVector, a copy of OvmfPkg/ResetVector, with one changes: - SEC_DEFAULT_CR0: enable cache (bit 30 or CD set to 0) Xen copies the OVMF code to RAM, there is no need to disable cache. This new module will later be modified to add a new entry point, more detail in a following comm

[edk2-devel] [PATCH v4 07/35] OvmfPkg/XenResetVector: Saving start of day pointer for PVH guests

2019-07-29 Thread Anthony PERARD
As described in the Xen PVH documentation [1], "ebx: contains the physical memory address where the loader has placed the boot start info structure". To have this pointer saved to be able to use it later in the PEI phase, we allocate some space in the MEMFD for it. We use 'XPVH' as a signature (for

[edk2-devel] [PATCH v4 05/35] OvmfPkg/OvmfXen: Creating an ELF header

2019-07-29 Thread Anthony PERARD
This patch changes the flash device image of OvmfXen to make it look like it's an ELF. For this, we replace the empty embedded variable store by a binary array, which is a ELF file header. The ELF header explain to a loader to load the binary at the address 1MB, then jump to the PVH entry point wh

[edk2-devel] [PATCH v4 04/35] OvmfPkg: Introduce XenPlatformPei

2019-07-29 Thread Anthony PERARD
Introduce XenPlatformPei, a copy of OvmfPkg/PlatformPei without some of QEMU specific initialization, Xen does not support QemuFwCfg. This new module will be adjusted to accommodate Xen PVH. fw_cfg dependents that have been removed, which are dynamically skipped when running PlatformPei on Xen: -

[edk2-devel] [PATCH v4 08/35] OvmfPkg/XenResetVector: Allow jumpstart from either hvmloader or PVH

2019-07-29 Thread Anthony PERARD
This patch allows the ResetVector to be run indenpendently from build time addresses. The goal of the patch is to avoid having to create RAM just below 4G when creating a Xen PVH guest while being compatible with the way hvmloader currently load OVMF, just below 4G. Only the new PVH entry point w

[edk2-devel] [PATCH v4 00/35] Specific platform to run OVMF in Xen PVH and HVM guests

2019-07-29 Thread Anthony PERARD
Patch series available in this git branch: https://xenbits.xen.org/git-http/people/aperard/ovmf.git br.platform-xen-pvh-v4 Changes in v4: - patch "OvmfPkg/XenPlatformPei: Reserve hvmloader's memory only when it has run" was removed, and instead a different change is done in "OvmfPkg/XenPlatfor

[edk2-devel] [PATCH v4 09/35] OvmfPkg/OvmfXen: use a TimerLib instance that depends only on the CPU

2019-07-29 Thread Anthony PERARD
The ACPI Timer isn't present in a PVH guest, but local APIC works on both PVH and HVM. Note that the use of SecPeiDxeTimerLibCpu might be an issue with a driver of type DXE_RUNTIME_DRIVER. I've attempted to find out which of the DXE_RUNTIME_DRIVER uses the TimerLib at runtime. I've done that by re

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Javeed, Ashraf
Hello Yao Jeiwen, Thanks for reviewing in detail! I used the PCIe attribute in the context of my ECR; say MPS is a PCI standard feature which has to be set to defined set of values only, thus I called it as its attributes. I had updated about this latest additional PCI feature (CTO) inclusion i

Re: [edk2-devel] [Patch 02/11] BaseTools: Split WorkspaceAutoGen._InitWorker into multiple functions

2019-07-29 Thread Philippe Mathieu-Daudé
Hi Bob, On 7/29/19 10:44 AM, Bob Feng wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 > > The WorkspaceAutoGen.__InitWorker function is too long, it's hard > to read and understand. > This patch is to separate the __InitWorker into multiple small ones. Patch looks good, however

Re: [edk2-devel] [PATCH] SecurityPkg/SecurityPkg.dec: Remove trailing white space

2019-07-29 Thread Philippe Mathieu-Daudé
On 7/29/19 5:40 AM, Zhang, Shenglei wrote: > Cc: Jiewen Yao > Cc: Jian Wang > Cc: Chao Zhang > Signed-off-by: Shenglei Zhang > --- > SecurityPkg/SecurityPkg.dec | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec >

Re: [edk2-devel] [edk2-non-osi] [PATCH 4/6] replace FSP license file.

2019-07-29 Thread Philippe Mathieu-Daudé
Hi, On 7/25/19 7:35 PM, Nate DeSimone wrote: > From: Jiewen Yao > > Contributed-under: TianoCore Contribution Agreement 1.0 > Signed-off-by: Jiewen Yao > Reviewed-by: Vincent Zimmer > --- > ... Production RULAC click-through_3-14-18.pdf | Bin 487917 -> 0 bytes > .../Intel/PurleySiliconBinPkg

Re: [edk2-devel][Patch 1/3] MdePkg/UefiDebugLibConOut: Add destructor to CloseEvent

2019-07-29 Thread Philippe Mathieu-Daudé
Hi, On 7/26/19 5:10 AM, Xu, Wei6 wrote: > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2012 > > When driver is unloaded, the ExitBootSerivesEvent must be closed at > the same time. Otherwise exception will occur when ExitBootServices. > > Cc: Michael D Kinney > Cc: Liming Gao > Signed-o

Re: [edk2-devel] [PATCH 0/4] Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Laszlo Ersek
On 07/29/19 13:07, Chiu, Chasel wrote: > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 > > PcdFsp*BaseAddress now will be updated in FDF basing > on flash map. > DSC will only define types of those PCDs and always > having 0 as default. > New script added to only rebase FSP binary witho

Re: [edk2-devel] [PATCH 2/3] UefiCpuPkg/PiSmmCpu: Refine CR2 save/restore logic

2019-07-29 Thread Dong, Eric
Reviewed-by: Eric Dong > -Original Message- > From: Ni, Ray > Sent: Saturday, July 27, 2019 11:29 AM > To: devel@edk2.groups.io > Cc: Dong, Eric ; Laszlo Ersek ; > Vanguput, Narendra K > Subject: [PATCH 2/3] UefiCpuPkg/PiSmmCpu: Refine CR2 save/restore logic > > Because IsStaticPageTabl

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Yao, Jiewen
Forgot to mention: since we want to handle device policy, another option is to create PCI_DEVICE_POLICY_PROTOCOL. No need to update previous one. Thank you Yao Jiewen > -Original Message- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of > Yao, Jiewen > Sent: Monday

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Yao, Jiewen
I think the request makes sense. I am not sure if I understand your question on PCI attributes. It is generic concept and defined in UEFI spec. Here we are discussing device policy in PCIE spec. I checked ECR in https://bugzilla.tianocore.org/show_bug.cgi?id=1954, it defines typedef struct {

Re: [edk2-devel] [PATCH 3/3] UefiCpuPkg/PiSmmCpu: Allow SMM access-out when static paging is OFF

2019-07-29 Thread Laszlo Ersek
On 07/27/19 05:28, Ni, Ray wrote: > Commit c60d36b4d1ee1f69b7cca897d3621dfa951895c2 > * UefiCpuPkg/SmmCpu: Block access-out only when static paging is used > > updated page fault handler to treat SMM access-out as allowed > address when static paging is not used. > > But that commit is not comple

Re: [edk2-devel] [PATCH 2/3] UefiCpuPkg/PiSmmCpu: Refine CR2 save/restore logic

2019-07-29 Thread Laszlo Ersek
On 07/27/19 05:28, Ni, Ray wrote: > Because IsStaticPageTableEnabled() is added for both IA32 and x64 > build, the CR2 save/restore logic can be refined: > 1. Remove arch specific SaveCr2() / RestoreCr2() implementation; > 2. Conditionally save and restore CR2 in SmiRendezvous(). > > Signed-off-b

Re: [edk2-devel] [PATCH 3/3] UefiCpuPkg/PiSmmCpu: Allow SMM access-out when static paging is OFF

2019-07-29 Thread Dong, Eric
Reviewed-by: Eric Dong > -Original Message- > From: Ni, Ray > Sent: Saturday, July 27, 2019 11:29 AM > To: devel@edk2.groups.io > Cc: Dong, Eric ; Yao, Jiewen ; > Wang, Jian J > Subject: [PATCH 3/3] UefiCpuPkg/PiSmmCpu: Allow SMM access-out when > static paging is OFF > > Commit c60d36b

Re: [edk2-devel] [PATCH 1/3] UefiCpuPkg/PiSmmCpu: Add Internal function IsStaticPageTableEnabled

2019-07-29 Thread Dong, Eric
Reviewed-by: Eric Dong > -Original Message- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Ni, > Ray > Sent: Saturday, July 27, 2019 11:29 AM > To: devel@edk2.groups.io > Cc: Laszlo Ersek > Subject: [edk2-devel] [PATCH 1/3] UefiCpuPkg/PiSmmCpu: Add Internal > fun

Re: [edk2-devel] [PATCH 1/3] UefiCpuPkg/PiSmmCpu: Add Internal function IsStaticPageTableEnabled

2019-07-29 Thread Laszlo Ersek
Hi Ray, On 07/27/19 05:28, Ni, Ray wrote: > The internal function reflects the status whether static page table > is enabled. > > Signed-off-by: Ray Ni > Cc: Laszlo Ersek > Cc: Eric Dong --- > UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/PageTbl.c | 16 > UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmC

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Javeed, Ashraf
My response inline below... Thanks Ashraf > -Original Message- > From: Yao, Jiewen > Sent: Monday, July 29, 2019 2:26 PM > To: Javeed, Ashraf ; devel@edk2.groups.io; Gao, > Liming > Cc: Kinney, Michael D ; Ni, Ray > > Subject: RE: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2]

[edk2-devel] [PATCH 0/4] Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 PcdFsp*BaseAddress now will be updated in FDF basing on flash map. DSC will only define types of those PCDs and always having 0 as default. New script added to only rebase FSP binary without patching DSC file. Test: interanl platform booted

[edk2-devel] [PATCH 3/4] KabylakeOpenBoardPkg: Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 PcdFsp*BaseAddress now will be updated in FDF basing on flash map. DSC will only define types of those PCDs and always having 0 as default. Test: interanl platform booted with this patch. Cc: Michael Kubacki Cc: Nate DeSimone Cc: Liming

[edk2-devel] [PATCH 1/4] MinPlatformPkg: Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 Add python script which will rebase FSP binary without patching platform DSC for Fsp*BaseAddress PCDs. Those base address PCD will be updated in FDF basing on flash map. Cc: Michael Kubacki Cc: Nate DeSimone Cc: Liming Gao Signed-off-by:

[edk2-devel] [PATCH 4/4] ClevoOpenBoardPkg: Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 PcdFsp*BaseAddress now will be updated in FDF basing on flash map. DSC will only define types of those PCDs and always having 0 as default. Test: interanl platform booted with this patch. Cc: Michael Kubacki Cc: Ankit Sinha Cc: Nate DeSi

[edk2-devel] [PATCH 2/4] Platform/Intel: Auto configure Fsp*BaseAddress PCD

2019-07-29 Thread Chiu, Chasel
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1863 Consume RebaseFspBinBaseAddress.py which will only rebase FSP binary without patching platform DSC. Cc: Michael Kubacki Cc: Nate DeSimone Cc: Liming Gao Signed-off-by: Chasel Chiu --- Platform/Intel/build_bios.py | 7 ++- 1 file ch

Re: [edk2-devel] [Patch 00/11 V4] Enable multiple process AutoGen

2019-07-29 Thread Laszlo Ersek
Hi Bob, On 07/29/19 10:44, Bob Feng wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 > > In order to improve the build performance, we implemented > multiple-processes AutoGen. This change will reduce 20% time > for AutoGen phase. > > The design document can be got from: > https://

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Yao, Jiewen
Oh. This patch is for staging. Not for EDKII master, right? If so, I have no concern. For the master, I think MdePkg should only include what has been defined. For this patch, I am curious on how to maintain the compatibility? For example, what happen, if PCIE 5.0 or PCIE 6.0 add new device polic

Re: [edk2-devel] [PATCH V2] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file

2019-07-29 Thread Marc W Chen
Sure. Thanks, Marc > -Original Message- > From: Gao, Liming > Sent: Monday, July 29, 2019 4:29 PM > To: devel@edk2.groups.io; Chen, Marc W > Cc: Kinney, Michael D ; Ni, Ray > > Subject: RE: [edk2-devel] [PATCH V2] MdePkg: Add PI 1.5 > SmramMemoryReserve HOB file > > Marc: > Normally,

[edk2-devel] [Patch 11/11] BaseTools: Enhance Multiple-Process AutoGen

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 1. Set Log queue maxsize as thread number * 10 2. enhance ModuleUniqueBaseName function 3. fix bugs of build option pcd in sub Process 4. enhance error handling 5. fix bug in the function of duplicate modules handling. Cc: Liming Gao Signed-

[edk2-devel] [Patch 09/11] BaseTools: Add the support for python 2

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 python3 change the module name of Queue to queue. python3 add a new log handler of QueueHandler. This patch is to make Multiple process AutoGen feature work for python2 Cc: Liming Gao Signed-off-by: Bob Feng --- .../Source/Python/AutoGen

[edk2-devel] [Patch 06/11] BaseTools: Add shared data for processes

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 Add shared data for autogen processes. Cc: Liming Gao Signed-off-by: Bob Feng --- BaseTools/Source/Python/AutoGen/AutoGenWorker.py | 3 ++- BaseTools/Source/Python/build/build.py | 10 ++ 2 files changed, 8 insertions(+

[edk2-devel] [Patch 00/11 V4] Enable multiple process AutoGen

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 In order to improve the build performance, we implemented multiple-processes AutoGen. This change will reduce 20% time for AutoGen phase. The design document can be got from: https://edk2.groups.io/g/devel/files/Designs/2019/0627/Multiple-th

[edk2-devel] [Patch 02/11] BaseTools: Split WorkspaceAutoGen._InitWorker into multiple functions

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 The WorkspaceAutoGen.__InitWorker function is too long, it's hard to read and understand. This patch is to separate the __InitWorker into multiple small ones. Cc: Liming Gao Signed-off-by: Bob Feng --- BaseTools/Source/Python/AutoGen/Auto

[edk2-devel] [PATCH V3] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file

2019-07-29 Thread Marc W Chen
This is a special GUID extension Hob to describe SMRAM memory regions Cc: Michael D Kinney Cc: Liming Gao Cc: Ray Ni Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2020 Signed-off-by: Marc W Chen --- MdePkg/Include/Guid/SmramMemoryReserve.h | 45 MdePkg/M

[edk2-devel] [Patch 10/11] BaseTools: Enable block queue log agent.

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 To support Ctrl+S and Ctrl+Q, we enable block queue for log. Cc: Liming Gao Signed-off-by: Bob Feng --- BaseTools/Source/Python/Common/EdkLogger.py | 10 ++ BaseTools/Source/Python/build/build.py | 8 +--- 2 files change

[edk2-devel] [Patch 08/11] BaseTools: Move BuildOption parser out of build.py

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 Build tool supports user to specify the conf folder. To make the build options be evaluated at the beginning of launching build, extract the buildoption function from build.py to a new .py file. Signed-off-by: Bob Feng Cc: Liming Gao ---

[edk2-devel] [Patch 07/11] BaseTools: Add LogAgent to support multiple process Autogen

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 AutoGen processes race the logfile. To resolve this issue, this patch create a LogAgent thread in main process to write the log content to console or file, Other process will send the log content to the LogAgent. Cc: Liming Gao Signed-off-b

[edk2-devel] [Patch 01/11] BaseTools: Singleton the object to handle build conf file

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 The build config files are target.txt, build rule, tooldef During a build, the config is not changed, so the object to handle them need to be singleton. Cc: Liming Gao Signed-off-by: Bob Feng --- BaseTools/Source/Python/AutoGen/AutoGen.py

[edk2-devel] [Patch 05/11] BaseTools: Enable Multiple Process AutoGen

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 Assign the Module AutoGen tasks into multiple sub process. Cc: Liming Gao Signed-off-by: Bob Feng --- .../Source/Python/AutoGen/AutoGenWorker.py| 162 ++ BaseTools/Source/Python/AutoGen/DataPipe.py | 6 + BaseTools

[edk2-devel] [Patch 03/11] BaseTools: Add functions to get platform scope build options

2019-07-29 Thread Bob Feng
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1875 These functions are used for get platform scope build options. They will be used in later patches. Cc: Liming Gao Signed-off-by: Bob Feng --- BaseTools/Source/Python/AutoGen/AutoGen.py| 10 +- .../Source/Python/Workspace/DscBu

Re: [edk2-devel] [PATCH V2] MdePkg: Add PI 1.5 SmramMemoryReserve HOB file

2019-07-29 Thread Liming Gao
Marc: Normally, gEfiGuidCName matches GUID C Macro name. Can you follow this rule? Thanks Liming >-Original Message- >From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of >Marc W Chen >Sent: Monday, July 29, 2019 4:05 PM >To: devel@edk2.groups.io >Cc: Kinney, Michael D ;

Re: [edk2-devel] [edk2-staging/UEFI_PCI_ENHANCE-2 PATCH V2] MdePkg/Protocols: New interface, EFI encodings to PCI Plat protocol

2019-07-29 Thread Javeed, Ashraf
Hi Yao Jiewen, Can you please elaborate your concern? The PCI Platform Protocol / PCI Override Protocol are defined in PI Spec 1.7. These same protocols are enhanced here. The producer would be the platform firmware, and consumer would be the MdeModulePkg's PCI Bus driver. The detailed document i

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