X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FBus%2FPci%2FPciBusDxe%2FPciDeviceSupport.c;h=b7832c6970ad1d3da08e23d0df61fab2138b8752;hp=f69fe938da061263fb0fde7dce895d14d2afd450;hb=9d510e61fceee7b92955ef9a3c20343752d8ce3f;hpb=2b5f0daa6c5f1d205b82c52c9ce55307a1787a3e
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
index f69fe938da..b7832c6970 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
@@ -1,14 +1,9 @@
/** @file
- Supporting functions implementaion for PCI devices management.
+ Supporting functions implementation for PCI devices management.
-Copyright (c) 2006 - 2018, 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 - 2019, Intel Corporation. All rights reserved.
+(C) Copyright 2018 Hewlett Packard Enterprise Development LP
+SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -65,7 +60,7 @@ InsertPciDevice (
}
/**
- Destroy root bridge and remove it from deivce tree.
+ Destroy root bridge and remove it from device tree.
@param RootBridge The bridge want to be removed.
@@ -85,7 +80,7 @@ DestroyRootBridge (
All direct or indirect allocated resource for this node will be freed.
- @param PciIoDevice A pointer to the PCI_IO_DEVICE to be destoried.
+ @param PciIoDevice A pointer to the PCI_IO_DEVICE to be destroyed.
**/
VOID
@@ -105,6 +100,10 @@ FreePciDevice (
FreePool (PciIoDevice->DevicePath);
}
+ if (PciIoDevice->BusNumberRanges != NULL) {
+ FreePool (PciIoDevice->BusNumberRanges);
+ }
+
FreePool (PciIoDevice);
}
@@ -150,7 +149,7 @@ DestroyPciDeviceTree (
@param Controller Root bridge handle.
- @retval EFI_SUCCESS Destory all devcie nodes successfully.
+ @retval EFI_SUCCESS Destroy all device nodes successfully.
@retval EFI_NOT_FOUND Cannot find any PCI device under specified
root bridge.
@@ -236,7 +235,7 @@ RegisterPciDevice (
PciIo = &(PciIoDevice->PciIo);
Data8 = PCI_INT_LINE_UNKNOWN;
PciIo->Pci.Write (PciIo, EfiPciIoWidthUint8, 0x3C, 1, &Data8);
-
+
//
// Process OpRom
//
@@ -254,7 +253,7 @@ RegisterPciDevice (
);
if (!EFI_ERROR (Status)) {
PciIoDevice->EmbeddedRom = FALSE;
- PciIoDevice->RomSize = PlatformOpRomSize;
+ PciIoDevice->RomSize = (UINT32) PlatformOpRomSize;
PciIoDevice->PciIo.RomSize = PlatformOpRomSize;
PciIoDevice->PciIo.RomImage = PlatformOpRomBuffer;
//
@@ -280,7 +279,7 @@ RegisterPciDevice (
);
if (!EFI_ERROR (Status)) {
PciIoDevice->EmbeddedRom = FALSE;
- PciIoDevice->RomSize = PlatformOpRomSize;
+ PciIoDevice->RomSize = (UINT32) PlatformOpRomSize;
PciIoDevice->PciIo.RomSize = PlatformOpRomSize;
PciIoDevice->PciIo.RomImage = PlatformOpRomBuffer;
//
@@ -296,7 +295,7 @@ RegisterPciDevice (
PciIoDevice->PciIo.RomImage,
PciIoDevice->PciIo.RomSize
);
- }
+ }
}
}
@@ -819,7 +818,7 @@ StartPciDevices (
/**
Create root bridge device.
- @param RootBridgeHandle Specified root bridge hanle.
+ @param RootBridgeHandle Specified root bridge handle.
@return The crated root bridge device instance, NULL means no
root bridge device instance created.
@@ -932,9 +931,9 @@ GetRootBridgeByHandle (
}
/**
- Judege whether Pci device existed.
+ Judge whether Pci device existed.
- @param Bridge Parent bridege instance.
+ @param Bridge Parent bridge instance.
@param PciIoDevice Device instance.
@retval TRUE Pci device existed.
@@ -974,33 +973,33 @@ PciDeviceExisted (
}
/**
- Get the active VGA device on the same segment.
+ Get the active VGA device on the specified Host Bridge.
- @param VgaDevice PCI IO instance for the VGA device.
+ @param HostBridgeHandle Host Bridge handle.
- @return The active VGA device on the same segment.
+ @return The active VGA device on the specified Host Bridge.
**/
PCI_IO_DEVICE *
-ActiveVGADeviceOnTheSameSegment (
- IN PCI_IO_DEVICE *VgaDevice
+LocateVgaDeviceOnHostBridge (
+ IN EFI_HANDLE HostBridgeHandle
)
{
LIST_ENTRY *CurrentLink;
- PCI_IO_DEVICE *Temp;
+ PCI_IO_DEVICE *PciIoDevice;
CurrentLink = mPciDevicePool.ForwardLink;
while (CurrentLink != NULL && CurrentLink != &mPciDevicePool) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
+ PciIoDevice = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
- if (Temp->PciRootBridgeIo->SegmentNumber == VgaDevice->PciRootBridgeIo->SegmentNumber) {
+ if (PciIoDevice->PciRootBridgeIo->ParentHandle== HostBridgeHandle) {
- Temp = ActiveVGADeviceOnTheRootBridge (Temp);
+ PciIoDevice = LocateVgaDevice (PciIoDevice);
- if (Temp != NULL) {
- return Temp;
+ if (PciIoDevice != NULL) {
+ return PciIoDevice;
}
}
@@ -1011,41 +1010,41 @@ ActiveVGADeviceOnTheSameSegment (
}
/**
- Get the active VGA device on the root bridge.
+ Locate the active VGA device under the bridge.
- @param RootBridge PCI IO instance for the root bridge.
+ @param Bridge PCI IO instance for the bridge.
@return The active VGA device.
**/
PCI_IO_DEVICE *
-ActiveVGADeviceOnTheRootBridge (
- IN PCI_IO_DEVICE *RootBridge
+LocateVgaDevice (
+ IN PCI_IO_DEVICE *Bridge
)
{
LIST_ENTRY *CurrentLink;
- PCI_IO_DEVICE *Temp;
+ PCI_IO_DEVICE *PciIoDevice;
- CurrentLink = RootBridge->ChildList.ForwardLink;
+ CurrentLink = Bridge->ChildList.ForwardLink;
- while (CurrentLink != NULL && CurrentLink != &RootBridge->ChildList) {
+ while (CurrentLink != NULL && CurrentLink != &Bridge->ChildList) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
+ PciIoDevice = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
- if (IS_PCI_VGA(&Temp->Pci) &&
- (Temp->Attributes &
+ if (IS_PCI_VGA(&PciIoDevice->Pci) &&
+ (PciIoDevice->Attributes &
(EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY |
EFI_PCI_IO_ATTRIBUTE_VGA_IO |
EFI_PCI_IO_ATTRIBUTE_VGA_IO_16)) != 0) {
- return Temp;
+ return PciIoDevice;
}
- if (IS_PCI_BRIDGE (&Temp->Pci)) {
+ if (IS_PCI_BRIDGE (&PciIoDevice->Pci)) {
- Temp = ActiveVGADeviceOnTheRootBridge (Temp);
+ PciIoDevice = LocateVgaDevice (PciIoDevice);
- if (Temp != NULL) {
- return Temp;
+ if (PciIoDevice != NULL) {
+ return PciIoDevice;
}
}
@@ -1055,86 +1054,3 @@ ActiveVGADeviceOnTheRootBridge (
return NULL;
}
-
-/**
- Get HPC PCI address according to its device path.
-
- @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 (
- IN PCI_IO_DEVICE *RootBridge,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,
- OUT UINT64 *PciAddress
- )
-{
- EFI_DEV_PATH_PTR Node;
- PCI_IO_DEVICE *Temp;
- EFI_DEVICE_PATH_PROTOCOL *CurrentDevicePath;
- LIST_ENTRY *CurrentLink;
- BOOLEAN MisMatch;
-
- MisMatch = FALSE;
-
- CurrentDevicePath = RemainingDevicePath;
- Node.DevPath = CurrentDevicePath;
- Temp = NULL;
-
- while (!IsDevicePathEnd (CurrentDevicePath)) {
-
- CurrentLink = RootBridge->ChildList.ForwardLink;
- Node.DevPath = CurrentDevicePath;
-
- while (CurrentLink != NULL && CurrentLink != &RootBridge->ChildList) {
- Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
-
- if (Node.Pci->Device == Temp->DeviceNumber &&
- Node.Pci->Function == Temp->FunctionNumber) {
- RootBridge = Temp;
- break;
- }
-
- CurrentLink = CurrentLink->ForwardLink;
- }
-
- //
- // Check if we find the bridge
- //
- if (CurrentLink == &RootBridge->ChildList) {
-
- MisMatch = TRUE;
- break;
-
- }
-
- CurrentDevicePath = NextDevicePathNode (CurrentDevicePath);
- }
-
- if (MisMatch) {
-
- CurrentDevicePath = NextDevicePathNode (CurrentDevicePath);
-
- if (IsDevicePathEnd (CurrentDevicePath)) {
- *PciAddress = EFI_PCI_ADDRESS (RootBridge->BusNumber, Node.Pci->Device, Node.Pci->Function, 0);
- return EFI_SUCCESS;
- }
-
- return EFI_NOT_FOUND;
- }
-
- if (Temp != NULL) {
- *PciAddress = EFI_PCI_ADDRESS (Temp->BusNumber, Temp->DeviceNumber, Temp->FunctionNumber, 0);
- } else {
- return EFI_NOT_FOUND;
- }
-
- return EFI_SUCCESS;
-
-}
-