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/** @file
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <PiDxe.h>
#include "PciPlatform.h"
#include <Library/PcdLib.h>
#ifdef EFI_PCI_IOV_SUPPORT
#include "PciIovPlatformPolicy.h"
#endif
PCI_PLATFORM_PRIVATE_DATA mPciPrivateData;
BOOLEAN FirstCall = TRUE;
UINT8 sSataRaidLoadEfiDriverOption;
UINT8 SataRaidLoadEfiDriverOption;
UINT8 BootNetworkOption;
/**
Set the PciPolicy as EFI_RESERVE_ISA_IO_NO_ALIAS | EFI_RESERVE_VGA_IO_NO_ALIAS.
@param This - The pointer to the Protocol itself.
PciPolicy - the returned Policy.
@retval EFI_UNSUPPORTED - Function not supported.
@retval EFI_INVALID_PARAMETER - Invalid PciPolicy value.
**/
EFI_STATUS
EFIAPI
GetPlatformPolicy (
IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
OUT EFI_PCI_PLATFORM_POLICY *PciPolicy
)
{
if (PciPolicy == NULL) {
return EFI_INVALID_PARAMETER;
}
return EFI_UNSUPPORTED;
}
/**
Return a PCI ROM image for the onboard device represented by PciHandle.
@param This - Protocol instance pointer.
PciHandle - PCI device to return the ROM image for.
RomImage - PCI Rom Image for onboard device.
RomSize - Size of RomImage in bytes.
@retval EFI_SUCCESS - RomImage is valid.
@retval EFI_NOT_FOUND - No RomImage.
**/
EFI_STATUS
EFIAPI
GetPciRom (
IN CONST EFI_PCI_PLATFORM_PROTOCOL *This,
IN EFI_HANDLE PciHandle,
OUT VOID **RomImage,
OUT UINTN *RomSize
)
{
return EFI_NOT_FOUND;
}
/**
GC_TODO: Add function description
@param This - GC_TODO: add argument description
@param Function - GC_TODO: add argument description
@param Phase - GC_TODO: add argument description
@retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value
@retval EFI_INVALID_PARAMETER - GC_TODO: Add description for return value
@retval EFI_UNSUPPORTED - GC_TODO: Add description for return value
@retval EFI_SUCCESS - GC_TODO: Add description for return value
**/
EFI_STATUS
EFIAPI
RegisterPciCallback (
IN EFI_PCI_CALLBACK_PROTOCOL *This,
IN EFI_PCI_CALLBACK_FUNC Function,
IN EFI_PCI_ENUMERATION_PHASE Phase
)
{
LIST_ENTRY *NodeEntry;
PCI_CALLBACK_DATA *PciCallbackData;
if (Function == NULL) {
return EFI_INVALID_PARAMETER;
}
if ( (Phase & (EfiPciEnumerationDeviceScanning | EfiPciEnumerationBusNumberAssigned \
| EfiPciEnumerationResourceAssigned)) == 0) {
return EFI_INVALID_PARAMETER;
}
//
// Check if the node has been added
//
NodeEntry = GetFirstNode (&mPciPrivateData.PciCallbackList);
while (!IsNull (&mPciPrivateData.PciCallbackList, NodeEntry)) {
PciCallbackData = PCI_CALLBACK_DATA_FROM_LINK (NodeEntry);
if (PciCallbackData->Function == Function) {
return EFI_UNSUPPORTED;
}
NodeEntry = GetNextNode (&mPciPrivateData.PciCallbackList, NodeEntry);
}
PciCallbackData = NULL;
PciCallbackData = AllocateZeroPool (sizeof (PCI_CALLBACK_DATA));
ASSERT (PciCallbackData != NULL);
if(PciCallbackData != NULL){
PciCallbackData->Signature = PCI_CALLBACK_DATA_SIGNATURE;
PciCallbackData->Function = Function;
PciCallbackData->Phase = Phase;
InsertTailList (&mPciPrivateData.PciCallbackList, &PciCallbackData->Link);
return EFI_SUCCESS;
} else {
return EFI_UNSUPPORTED;
}
}
/**
Main Entry point of the Pci Platform Driver.
@param ImageHandle - Handle to the image.
@param SystemTable - Handle to System Table.
@retval EFI_STATUS - Status of the function calling.
**/
EFI_STATUS
EFIAPI
PciPlatformDriverEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
ZeroMem (&mPciPrivateData, sizeof (mPciPrivateData));
InitializeListHead (&mPciPrivateData.PciCallbackList);
mPciPrivateData.PciPlatform.PlatformNotify = PhaseNotify;
mPciPrivateData.PciPlatform.PlatformPrepController = PlatformPrepController;
mPciPrivateData.PciPlatform.GetPlatformPolicy = GetPlatformPolicy;
mPciPrivateData.PciPlatform.GetPciRom = GetPciRom;
mPciPrivateData.PciCallback.RegisterPciCallback = RegisterPciCallback;
#ifdef EFI_PCI_IOV_SUPPORT
mPciPrivateData.PciIovPlatform.GetSystemLowestPageSize = GetSystemLowestPageSize;
mPciPrivateData.PciIovPlatform.GetPlatformPolicy = GetIovPlatformPolicy;
#endif
//
// Install on a new handle
//
Status = gBS->InstallMultipleProtocolInterfaces (
&mPciPrivateData.PciPlatformHandle,
&gEfiPciPlatformProtocolGuid,
&mPciPrivateData.PciPlatform,
&gEfiPciCallbackProtocolGuid,
&mPciPrivateData.PciCallback,
#ifdef EFI_PCI_IOV_SUPPORT
&gEfiPciIovPlatformProtocolGuid,
&mPciPrivateData.PciIovPlatform,
#endif
NULL
);
return Status;
}
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