mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-11-04 05:38:26 +00:00
9060e3ec6d
a. Update PciBusDxe module, and move it from IntelFrameworkModulePkg to MdeModulePkg b. Move IncompatiblePciDeviceSupportDxe module from IntelFrameworkModulePkg to MdeModulePkg c. Update the related consumes in inf/dsc/fdf git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9347 6f19259b-4bc3-4df7-8a09-765794883524
144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
/** @file
|
|
Functions implementation for Bus Specific Driver Override protoocl.
|
|
|
|
Copyright (c) 2006 - 2009, Intel Corporation
|
|
All rights reserved. This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which 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 "PciBus.h"
|
|
|
|
/**
|
|
Initializes a PCI Driver Override Instance.
|
|
|
|
@param PciIoDevice PCI Device instance.
|
|
|
|
**/
|
|
VOID
|
|
InitializePciDriverOverrideInstance (
|
|
IN OUT PCI_IO_DEVICE *PciIoDevice
|
|
)
|
|
{
|
|
PciIoDevice->PciDriverOverride.GetDriver = GetDriver;
|
|
}
|
|
|
|
|
|
/**
|
|
Uses a bus specific algorithm to retrieve a driver image handle for a controller.
|
|
|
|
@param This A pointer to the EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL instance.
|
|
@param DriverImageHandle On input, a pointer to the previous driver image handle returned
|
|
by GetDriver(). On output, a pointer to the next driver
|
|
image handle. Passing in a NULL, will return the first driver
|
|
image handle.
|
|
|
|
@retval EFI_SUCCESS A bus specific override driver is returned in DriverImageHandle.
|
|
@retval EFI_NOT_FOUND The end of the list of override drivers was reached.
|
|
A bus specific override driver is not returned in DriverImageHandle.
|
|
@retval EFI_INVALID_PARAMETER DriverImageHandle is not a handle that was returned on a
|
|
previous call to GetDriver().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
GetDriver (
|
|
IN EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL *This,
|
|
IN OUT EFI_HANDLE *DriverImageHandle
|
|
)
|
|
{
|
|
PCI_IO_DEVICE *PciIoDevice;
|
|
LIST_ENTRY *CurrentLink;
|
|
PCI_DRIVER_OVERRIDE_LIST *Node;
|
|
|
|
PciIoDevice = PCI_IO_DEVICE_FROM_PCI_DRIVER_OVERRIDE_THIS (This);
|
|
|
|
CurrentLink = PciIoDevice->OptionRomDriverList.ForwardLink;
|
|
|
|
while (CurrentLink != NULL && CurrentLink != &PciIoDevice->OptionRomDriverList) {
|
|
|
|
Node = DRIVER_OVERRIDE_FROM_LINK (CurrentLink);
|
|
|
|
if (*DriverImageHandle == NULL) {
|
|
|
|
*DriverImageHandle = Node->DriverImageHandle;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
if (*DriverImageHandle == Node->DriverImageHandle) {
|
|
|
|
if (CurrentLink->ForwardLink == &PciIoDevice->OptionRomDriverList ||
|
|
CurrentLink->ForwardLink == NULL) {
|
|
return EFI_NOT_FOUND;
|
|
}
|
|
|
|
//
|
|
// Get next node
|
|
//
|
|
Node = DRIVER_OVERRIDE_FROM_LINK (CurrentLink->ForwardLink);
|
|
*DriverImageHandle = Node->DriverImageHandle;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
CurrentLink = CurrentLink->ForwardLink;
|
|
}
|
|
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
/**
|
|
Add an overriding driver image.
|
|
|
|
@param PciIoDevice Instance of PciIo device.
|
|
@param DriverImageHandle new added driver image.
|
|
|
|
@retval EFI_SUCCESS Successfully added driver.
|
|
@retval EFI_OUT_OF_RESOURCES No memory resource for new driver instance.
|
|
@retval other Some error occurred when locating gEfiLoadedImageProtocolGuid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
AddDriver (
|
|
IN PCI_IO_DEVICE *PciIoDevice,
|
|
IN EFI_HANDLE DriverImageHandle
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
|
|
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
|
|
PCI_DRIVER_OVERRIDE_LIST *Node;
|
|
|
|
Status = gBS->HandleProtocol (DriverImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Node = AllocatePool (sizeof (PCI_DRIVER_OVERRIDE_LIST));
|
|
if (Node == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
Node->Signature = DRIVER_OVERRIDE_SIGNATURE;
|
|
Node->DriverImageHandle = DriverImageHandle;
|
|
|
|
InsertTailList (&PciIoDevice->OptionRomDriverList, &(Node->Link));
|
|
|
|
PciIoDevice->BusOverride = TRUE;
|
|
|
|
ImageContext.Handle = LoadedImage->ImageBase;
|
|
ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
|
|
|
|
//
|
|
// Get information about the image
|
|
//
|
|
PeCoffLoaderGetImageInfo (&ImageContext);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|