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Code scrub for PCI Bus module and PciIncompatibleDeviceSupportLib module.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8662 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2009-06-25 13:47:45 +00:00
parent 745ed9b412
commit 8e8227d1a3
33 changed files with 3495 additions and 4074 deletions
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87
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
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@@ -1,14 +1,14 @@
/** @file
Supporting functions implementaion for PCI devices management.
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.
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.
**/
@@ -66,9 +66,9 @@ InsertPciDevice (
/**
Destroy root bridge and remove it from deivce tree.
@param RootBridge The bridge want to be removed.
**/
VOID
DestroyRootBridge (
@@ -187,10 +187,10 @@ DestroyRootBridgeByHandle (
}
/**
This function registers the PCI IO device.
This function registers the PCI IO device.
It creates a handle for this PCI IO device (if the handle does not exist), attaches
appropriate protocols onto the handle, does necessary initialization, and sets up
It creates a handle for this PCI IO device (if the handle does not exist), attaches
appropriate protocols onto the handle, does necessary initialization, and sets up
parent/child relationship with its bus controller.
@param Controller An EFI handle for the PCI bus controller.
@@ -198,7 +198,7 @@ DestroyRootBridgeByHandle (
@param Handle A pointer to hold the returned EFI handle for the PCI IO device.
@retval EFI_SUCCESS The PCI device is successfully registered.
@retval Others An error occurred when registering the PCI device.
@retval other An error occurred when registering the PCI device.
**/
EFI_STATUS
@@ -244,7 +244,7 @@ RegisterPciDevice (
if (!EFI_ERROR (Status)) {
PciIoDevice->IsPciExp = TRUE;
}
//
// Force Interrupt line to "Unknown" or "No Connection"
//
@@ -330,7 +330,7 @@ RegisterPciDevice (
if (PciIoDevice->BusOverride) {
//
// Install BusSpecificDriverOverride Protocol
// Install Bus Specific Driver Override Protocol
//
Status = gBS->InstallMultipleProtocolInterfaces (
&PciIoDevice->Handle,
@@ -437,7 +437,7 @@ RemoveAllPciDeviceOnBridge (
@param Handle PCI device handle.
@retval EFI_SUCCESS The PCI device is successfully de-registered.
@retval Others An error occurred when de-registering the PCI device.
@retval other An error occurred when de-registering the PCI device.
**/
EFI_STATUS
@@ -503,7 +503,8 @@ DeRegisterPciDevice (
);
//
// Un-install the device path protocol and pci io protocol
// Un-install the Device Path protocol and PCI I/O protocol
// and Bus Specific Driver Override protocol if needed.
//
if (PciIoDevice->BusOverride) {
Status = gBS->UninstallMultipleProtocolInterfaces (
@@ -595,8 +596,8 @@ DeRegisterPciDevice (
@retval EFI_NOT_READY Device is not allocated.
@retval EFI_UNSUPPORTED Device only support PCI-PCI bridge.
@retval EFI_NOT_FOUND Can not find the specific device
@retval EFI_SUCCESS Success to start Pci device on bridge
@retval EFI_NOT_FOUND Can not find the specific device.
@retval EFI_SUCCESS Success to start Pci device on bridge.
**/
EFI_STATUS
@@ -625,7 +626,7 @@ StartPciDevicesOnBridge (
Node.DevPath = RemainingDevicePath;
if (Node.Pci->Device != PciIoDevice->DeviceNumber ||
if (Node.Pci->Device != PciIoDevice->DeviceNumber ||
Node.Pci->Function != PciIoDevice->FunctionNumber) {
CurrentLink = CurrentLink->ForwardLink;
continue;
@@ -637,7 +638,7 @@ StartPciDevicesOnBridge (
if (!PciIoDevice->Allocated) {
return EFI_NOT_READY;
}
//
// Check if the current node has been registered before
// If it is not, register it
@@ -655,7 +656,7 @@ StartPciDevicesOnBridge (
ChildHandleBuffer[*NumberOfChildren] = PciIoDevice->Handle;
(*NumberOfChildren)++;
}
//
// Get the next device path
//
@@ -752,18 +753,21 @@ StartPciDevicesOnBridge (
}
/**
Start to manage all the PCI devices it found previously under
Start to manage all the PCI devices it found previously under
the entire host bridge.
@param Controller The root bridge handle.
@retval EFI_NOT_READY Device is not allocated.
@retval EFI_SUCCESS Success to start Pci device on host bridge.
**/
EFI_STATUS
StartPciDevices (
IN EFI_HANDLE Controller
)
{
EFI_STATUS Status;
PCI_IO_DEVICE *RootBridge;
EFI_HANDLE ThisHostBridge;
LIST_ENTRY *CurrentLink;
@@ -781,13 +785,16 @@ StartPciDevices (
// Locate the right root bridge to start
//
if (RootBridge->PciRootBridgeIo->ParentHandle == ThisHostBridge) {
StartPciDevicesOnBridge (
RootBridge->Handle,
RootBridge,
NULL,
NULL,
NULL
);
Status = StartPciDevicesOnBridge (
RootBridge->Handle,
RootBridge,
NULL,
NULL,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
}
CurrentLink = CurrentLink->ForwardLink;
@@ -913,10 +920,10 @@ GetRootBridgeByHandle (
/**
Judege whether Pci device existed.
@param Bridge Parent bridege instance.
@param PciIoDevice Device instance.
@retval TRUE Pci device existed.
@retval FALSE Pci device did not exist.
@@ -955,9 +962,9 @@ PciDeviceExisted (
/**
Get the active VGA device on the same segment.
@param VgaDevice PCI IO instance for the VGA device.
@return The active VGA device on the same segment.
**/
@@ -992,9 +999,9 @@ ActiveVGADeviceOnTheSameSegment (
/**
Get the active VGA device on the root bridge.
@param RootBridge PCI IO instance for the root bridge.
@return The active VGA device.
**/
@@ -1042,10 +1049,10 @@ ActiveVGADeviceOnTheRootBridge (
@param RootBridge Root bridege Io instance.
@param RemainingDevicePath Given searching device path.
@param PciAddress Buffer holding searched result.
@retval EFI_SUCCESS PCI address was stored in PciAddress
@retval EFI_NOT_FOUND Can not find the specific device path.
**/
EFI_STATUS
GetHpcPciAddressFromRootBridge (