/** @file
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Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include "PciPlatform.h"
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#include <Library/PcdLib.h>
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#ifdef EFI_PCI_IOV_SUPPORT
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#include "PciIovPlatformPolicy.h"
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#endif
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PCI_PLATFORM_PRIVATE_DATA mPciPrivateData;
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BOOLEAN FirstCall = TRUE;
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UINT8 sSataRaidLoadEfiDriverOption;
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UINT8 SataRaidLoadEfiDriverOption;
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UINT8 BootNetworkOption;
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/**
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Set the PciPolicy as EFI_RESERVE_ISA_IO_NO_ALIAS | EFI_RESERVE_VGA_IO_NO_ALIAS.
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@param This - The pointer to the Protocol itself.
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PciPolicy - the returned Policy.
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@retval EFI_UNSUPPORTED - Function not supported.
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@retval EFI_INVALID_PARAMETER - Invalid PciPolicy value.
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**/
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EFI_STATUS
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EFIAPI
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GetPlatformPolicy (
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IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
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OUT EFI_PCI_PLATFORM_POLICY *PciPolicy
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)
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{
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if (PciPolicy == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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return EFI_UNSUPPORTED;
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}
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/**
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Return a PCI ROM image for the onboard device represented by PciHandle.
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@param This - Protocol instance pointer.
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PciHandle - PCI device to return the ROM image for.
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RomImage - PCI Rom Image for onboard device.
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RomSize - Size of RomImage in bytes.
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@retval EFI_SUCCESS - RomImage is valid.
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@retval EFI_NOT_FOUND - No RomImage.
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**/
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EFI_STATUS
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EFIAPI
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GetPciRom (
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IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
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IN EFI_HANDLE PciHandle,
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OUT VOID **RomImage,
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OUT UINTN *RomSize
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)
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{
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return EFI_NOT_FOUND;
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}
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/**
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GC_TODO: Add function description
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@param This - GC_TODO: add argument description
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@param Function - GC_TODO: add argument description
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@param Phase - GC_TODO: add argument description
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@retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value
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@retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value
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@retval EFI_UNSUPPORTED - GC_TODO: Add description for return value
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@retval EFI_SUCCESS - GC_TODO: Add description for return value
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**/
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EFI_STATUS
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EFIAPI
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RegisterPciCallback (
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IN EFI_PCI_CALLBACK_PROTOCOL *This,
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IN EFI_PCI_CALLBACK_FUNC Function,
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IN EFI_PCI_ENUMERATION_PHASE Phase
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)
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{
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LIST_ENTRY *NodeEntry;
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PCI_CALLBACK_DATA *PciCallbackData;
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if (Function == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if ( (Phase & (EfiPciEnumerationDeviceScanning | EfiPciEnumerationBusNumberAssigned \
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| EfiPciEnumerationResourceAssigned)) == 0) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Check if the node has been added
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//
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NodeEntry = GetFirstNode (&mPciPrivateData.PciCallbackList);
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while (!IsNull (&mPciPrivateData.PciCallbackList, NodeEntry)) {
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PciCallbackData = PCI_CALLBACK_DATA_FROM_LINK (NodeEntry);
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if (PciCallbackData->Function == Function) {
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return EFI_UNSUPPORTED;
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}
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NodeEntry = GetNextNode (&mPciPrivateData.PciCallbackList, NodeEntry);
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}
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PciCallbackData = NULL;
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PciCallbackData = AllocateZeroPool (sizeof (PCI_CALLBACK_DATA));
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ASSERT (PciCallbackData != NULL);
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if(PciCallbackData != NULL){
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PciCallbackData->Signature = PCI_CALLBACK_DATA_SIGNATURE;
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PciCallbackData->Function = Function;
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PciCallbackData->Phase = Phase;
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InsertTailList (&mPciPrivateData.PciCallbackList, &PciCallbackData->Link);
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return EFI_SUCCESS;
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} else {
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return EFI_UNSUPPORTED;
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}
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}
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/**
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Main Entry point of the Pci Platform Driver.
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@param ImageHandle - Handle to the image.
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@param SystemTable - Handle to System Table.
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@retval EFI_STATUS - Status of the function calling.
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**/
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EFI_STATUS
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EFIAPI
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PciPlatformDriverEntry (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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ZeroMem (&mPciPrivateData, sizeof (mPciPrivateData));
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InitializeListHead (&mPciPrivateData.PciCallbackList);
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mPciPrivateData.PciPlatform.PlatformNotify = PhaseNotify;
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mPciPrivateData.PciPlatform.PlatformPrepController = PlatformPrepController;
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mPciPrivateData.PciPlatform.GetPlatformPolicy = GetPlatformPolicy;
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mPciPrivateData.PciPlatform.GetPciRom = GetPciRom;
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mPciPrivateData.PciCallback.RegisterPciCallback = RegisterPciCallback;
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#ifdef EFI_PCI_IOV_SUPPORT
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mPciPrivateData.PciIovPlatform.GetSystemLowestPageSize = GetSystemLowestPageSize;
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mPciPrivateData.PciIovPlatform.GetPlatformPolicy = GetIovPlatformPolicy;
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#endif
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//
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// Install on a new handle
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mPciPrivateData.PciPlatformHandle,
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&gEfiPciPlatformProtocolGuid,
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&mPciPrivateData.PciPlatform,
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&gEfiPciCallbackProtocolGuid,
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&mPciPrivateData.PciCallback,
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#ifdef EFI_PCI_IOV_SUPPORT
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&gEfiPciIovPlatformProtocolGuid,
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&mPciPrivateData.PciIovPlatform,
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#endif
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NULL
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);
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return Status;
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}
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