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- /** @file
- @copyright
- Copyright 2017 - 2021 Intel Corporation. <BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include <PiPei.h>
- #include <Uefi/UefiSpec.h>
- #include <Ppi/UbaCfgDb.h>
- #include <Library/PeimEntryPoint.h>
- #include <Library/PeiServicesLib.h>
- #include <Library/PeiServicesTablePointerLib.h>
- #include <Library/DebugLib.h>
- #include <Library/IoLib.h>
- #include <Library/UbaPcieBifurcationUpdateLib.h>
- EFI_STATUS
- PlatformGetPchPcieBifurcationConfig (
- IN OUT PCIE_BIFURCATION_CONFIG **PchPcieBifurcationConfig,
- IN OUT PCH_SLOT_CONFIG_DATA_ENTRY_EX **PchSlotConfig
- )
- {
- EFI_STATUS Status;
- UBA_CONFIG_DATABASE_PPI *UbaConfigPpi = NULL;
- PLATFORM_PCH_PCIE_BIFURCATION_UPDATE_TABLE BifurcationUpdateTable;
- UINTN TableSize;
- Status = PeiServicesLocatePpi (
- &gUbaConfigDatabasePpiGuid,
- 0,
- NULL,
- (VOID **) &UbaConfigPpi
- );
- if (EFI_ERROR(Status)) {
- return Status;
- }
- TableSize = sizeof(BifurcationUpdateTable);
- Status = UbaConfigPpi->GetData (
- UbaConfigPpi,
- &gPlatformUbaPcieBifurcationGuid,
- &BifurcationUpdateTable,
- &TableSize
- );
- if (EFI_ERROR(Status)) {
- return Status;
- }
- ASSERT (BifurcationUpdateTable.Signature == PLATFORM_PCH_PCIE_BIFURCATION_UPDATE_SIGNATURE);
- ASSERT (BifurcationUpdateTable.Version == PLATFORM_PCH_PCIE_BIFURCATION_UPDATE_VERSION);
- BifurcationUpdateTable.CallPcieBifurcationUpdate(PchPcieBifurcationConfig, PchSlotConfig);
- return Status;
- }
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