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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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495
IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciEnumeratorSupport.c
View File

@@ -1,4 +1,5 @@
/** @file
PCI emumeration support functions implementation for PCI Bus module.
Copyright (c) 2006 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
@@ -11,31 +12,28 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "PciBus.h"
#include "PciEnumeratorSupport.h"
#include "PciCommand.h"
#include "PciIo.h"
/**
This routine is used to check whether the pci device is present.
@param PciRootBridgeIo Pointer to instance of EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
@param Pci Output buffer for PCI device structure.
@param Pci Output buffer for PCI device configuration space.
@param Bus PCI bus NO.
@param Device PCI device NO.
@param Func PCI Func NO.
@retval EFI_NOT_FOUND device not present.
@retval EFI_SUCCESS device is found.
@retval EFI_NOT_FOUND PCI device not present.
@retval EFI_SUCCESS PCI device is found.
**/
EFI_STATUS
PciDevicePresent (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
PCI_TYPE00 *Pci,
UINT8 Bus,
UINT8 Device,
UINT8 Func
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
OUT PCI_TYPE00 *Pci,
IN UINT8 Bus,
IN UINT8 Device,
IN UINT8 Func
)
{
UINT64 Address;
@@ -47,31 +45,29 @@ PciDevicePresent (
Address = EFI_PCI_ADDRESS (Bus, Device, Func, 0);
//
// Read the Vendor Id register
// Read the Vendor ID register
//
Status = PciRootBridgeIoRead (
PciRootBridgeIo,
NULL,
EfiPciWidthUint32,
Address,
1,
Pci
);
PciRootBridgeIo,
NULL,
EfiPciWidthUint32,
Address,
1,
Pci
);
if (!EFI_ERROR (Status) && (Pci->Hdr).VendorId != 0xffff) {
//
// Read the entire config header for the device
//
Status = PciRootBridgeIoRead (
PciRootBridgeIo,
NULL,
EfiPciWidthUint32,
Address,
sizeof (PCI_TYPE00) / sizeof (UINT32),
Pci
);
PciRootBridgeIo,
NULL,
EfiPciWidthUint32,
Address,
sizeof (PCI_TYPE00) / sizeof (UINT32),
Pci
);
return EFI_SUCCESS;
}
@@ -80,17 +76,22 @@ PciDevicePresent (
}
/**
Collect all the resource information under this root bridge
Collect all the resource information under this root bridge.
A database that records all the information about pci device subject to this
root bridge will then be created.
@param Bridge Parent bridge instance.
@param StartBusNumber Bus number of begining.
@param StartBusNumber Bus number of begining.
@retval EFI_SUCCESS PCI device is found.
@retval other Some error occurred when reading PCI bridge information.
**/
EFI_STATUS
PciPciDeviceInfoCollector (
IN PCI_IO_DEVICE *Bridge,
UINT8 StartBusNumber
IN UINT8 StartBusNumber
)
{
EFI_STATUS Status;
@@ -111,15 +112,13 @@ PciPciDeviceInfoCollector (
//
// Check to see whether PCI device is present
//
Status = PciDevicePresent (
Bridge->PciRootBridgeIo,
&Pci,
(UINT8) StartBusNumber,
(UINT8) Device,
(UINT8) Func
);
Bridge->PciRootBridgeIo,
&Pci,
(UINT8) StartBusNumber,
(UINT8) Device,
(UINT8) Func
);
if (!EFI_ERROR (Status)) {
//
@@ -131,19 +130,18 @@ PciPciDeviceInfoCollector (
// Collect all the information about the PCI device discovered
//
Status = PciSearchDevice (
Bridge,
&Pci,
(UINT8) StartBusNumber,
Device,
Func,
&PciIoDevice
);
Bridge,
&Pci,
(UINT8) StartBusNumber,
Device,
Func,
&PciIoDevice
);
//
// Recursively scan PCI busses on the other side of PCI-PCI bridges
//
//
if (!EFI_ERROR (Status) && (IS_PCI_BRIDGE (&Pci) || IS_CARDBUS_BRIDGE (&Pci))) {
//
@@ -151,7 +149,7 @@ PciPciDeviceInfoCollector (
//
PciIo = &(PciIoDevice->PciIo);
Status = PciIoRead (PciIo, EfiPciIoWidthUint8, 0x19, 1, &SecBus);
Status = PciIoRead (PciIo, EfiPciIoWidthUint8, PCI_BRIDGE_SECONDARY_BUS_REGISTER_OFFSET, 1, &SecBus);
if (EFI_ERROR (Status)) {
return Status;
@@ -166,9 +164,9 @@ PciPciDeviceInfoCollector (
// Deep enumerate the next level bus
//
Status = PciPciDeviceInfoCollector (
PciIoDevice,
(UINT8) (SecBus)
);
PciIoDevice,
(UINT8) (SecBus)
);
}
@@ -188,14 +186,18 @@ PciPciDeviceInfoCollector (
}
/**
Seach required device and get PCI device info block
Seach required device and create PCI device instance.
@param Bridge Parent bridge instance.
@param Pci Output of PCI device info block.
@param Pci Input PCI device information block.
@param Bus PCI bus NO.
@param Device PCI device NO.
@param Func PCI func NO.
@param PciDevice output of searched PCI device instance.
@param PciDevice Output of searched PCI device instance.
@retval EFI_SUCCESS Successfully created PCI device instance.
@retval EFI_OUT_OF_RESOURCES Cannot get PCI device information.
**/
EFI_STATUS
PciSearchDevice (
@@ -305,23 +307,24 @@ PciSearchDevice (
}
/**
Create PCI private data for PCI device
@param Bridge Parent bridge instance.
@param Pci PCI bar block
@param Bus PCI device Bus NO.
@param Device PCI device DeviceNO.
@param Func PCI device's func NO.
@return new PCI device's private date structure.
Create PCI device instance for PCI device.
@param Bridge Parent bridge instance.
@param Pci Input PCI device information block.
@param Bus PCI device Bus NO.
@param Device PCI device Device NO.
@param Func PCI device's func NO.
@return Created PCI device instance.
**/
PCI_IO_DEVICE *
GatherDeviceInfo (
IN PCI_IO_DEVICE *Bridge,
IN PCI_TYPE00 *Pci,
UINT8 Bus,
UINT8 Device,
UINT8 Func
IN UINT8 Bus,
IN UINT8 Device,
IN UINT8 Func
)
{
UINTN Offset;
@@ -370,23 +373,24 @@ GatherDeviceInfo (
}
/**
Create private data for bridge device's PPB.
@param Bridge Parent bridge
@param Pci Pci device block
@param Bus Bridge device's bus NO.
@param Device Bridge device's device NO.
@param Func Bridge device's func NO.
@return bridge device instance.
Create PCI device instance for PCI-PCI bridge.
@param Bridge Parent bridge instance.
@param Pci Input PCI device information block.
@param Bus PCI device Bus NO.
@param Device PCI device Device NO.
@param Func PCI device's func NO.
@return Created PCI device instance.
**/
PCI_IO_DEVICE *
GatherPpbInfo (
IN PCI_IO_DEVICE *Bridge,
IN PCI_TYPE00 *Pci,
UINT8 Bus,
UINT8 Device,
UINT8 Func
IN UINT8 Bus,
IN UINT8 Device,
IN UINT8 Func
)
{
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
@@ -463,7 +467,7 @@ GatherPpbInfo (
);
//
// test if it supports 64 memory or not
// Test if it supports 64 memory or not
//
if (!EFI_ERROR (Status)) {
@@ -492,24 +496,26 @@ GatherPpbInfo (
return PciIoDevice;
}
/**
Create private data for hotplug bridge device
@param Bridge Parent bridge instance
@param Pci PCI bar block
@param Bus hotplug bridge device's bus NO.
@param Device hotplug bridge device's device NO.
@param Func hotplug bridge device's Func NO.
@return hotplug bridge device instance.
Create PCI device instance for PCI Card bridge device.
@param Bridge Parent bridge instance.
@param Pci Input PCI device information block.
@param Bus PCI device Bus NO.
@param Device PCI device Device NO.
@param Func PCI device's func NO.
@return Created PCI device instance.
**/
PCI_IO_DEVICE *
GatherP2CInfo (
IN PCI_IO_DEVICE *Bridge,
IN PCI_TYPE00 *Pci,
UINT8 Bus,
UINT8 Device,
UINT8 Func
IN UINT8 Bus,
IN UINT8 Device,
IN UINT8 Func
)
{
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
@@ -543,8 +549,8 @@ GatherP2CInfo (
// Initalize the bridge control register
//
PCI_DISABLE_BRIDGE_CONTROL_REGISTER (PciIoDevice, EFI_PCCARD_BRIDGE_CONTROL_BITS_OWNED);
}
//
// P2C only has one bar that is in 0x10
//
@@ -562,12 +568,13 @@ GatherP2CInfo (
}
/**
Create device path for pci deivce
Create device path for pci deivce.
@param ParentDevicePath Parent bridge's path.
@param PciIoDevice Pci device instance.
@return device path protocol instance for specific pci device.
@return Device path protocol instance for specific pci device.
**/
EFI_DEVICE_PATH_PROTOCOL *
CreatePciDevicePath (
@@ -593,25 +600,24 @@ CreatePciDevicePath (
}
/**
Check the bar is existed or not.
Check whether the bar is existed or not.
@param PciIoDevice - A pointer to the PCI_IO_DEVICE.
@param Offset - The offset.
@param BarLengthValue - The bar length value.
@param OriginalBarValue - The original bar value.
@param PciIoDevice A pointer to the PCI_IO_DEVICE.
@param Offset The offset.
@param BarLengthValue The bar length value returned.
@param OriginalBarValue The original bar value returned.
@retval EFI_NOT_FOUND - The bar don't exist.
@retval EFI_SUCCESS - The bar exist.
@retval EFI_NOT_FOUND The bar doesn't exist.
@retval EFI_SUCCESS The bar exist.
**/
EFI_STATUS
BarExisted (
IN PCI_IO_DEVICE *PciIoDevice,
IN UINTN Offset,
OUT UINT32 *BarLengthValue,
OUT UINT32 *OriginalBarValue
IN PCI_IO_DEVICE *PciIoDevice,
IN UINTN Offset,
OUT UINT32 *BarLengthValue,
OUT UINT32 *OriginalBarValue
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
UINT32 OriginalValue;
@@ -623,7 +629,6 @@ BarExisted (
//
// Preserve the original value
//
PciIoRead (PciIo, EfiPciIoWidthUint32, (UINT8) Offset, 1, &OriginalValue);
//
@@ -660,23 +665,24 @@ BarExisted (
}
/**
Test whether the device can support attributes
@param PciIoDevice Pci device instance.
@param Command Command register value.
@param BridgeControl Bridge control value for PPB or P2C.
@param OldCommand Old command register offset.
@param OldBridgeControl Old Bridge control value for PPB or P2C.
@return EFI_SUCCESS.
Test whether the device can support given attributes.
@param PciIoDevice Pci device instance.
@param Command Input command register value, and
returned supported register value.
@param BridgeControl Inout bridge control value for PPB or P2C, and
returned supported bridge control value.
@param OldCommand Returned and stored old command register offset.
@param OldBridgeControl Returned and stored old Bridge control value for PPB or P2C.
**/
EFI_STATUS
VOID
PciTestSupportedAttribute (
IN PCI_IO_DEVICE *PciIoDevice,
IN UINT16 *Command,
IN UINT16 *BridgeControl,
IN UINT16 *OldCommand,
IN UINT16 *OldBridgeControl
IN PCI_IO_DEVICE *PciIoDevice,
IN OUT UINT16 *Command,
IN OUT UINT16 *BridgeControl,
OUT UINT16 *OldCommand,
OUT UINT16 *OldBridgeControl
)
{
EFI_TPL OldTpl;
@@ -733,20 +739,18 @@ PciTestSupportedAttribute (
*OldBridgeControl = 0;
*BridgeControl = 0;
}
return EFI_SUCCESS;
}
/**
Set the supported or current attributes of a PCI device
@param PciIoDevice - Structure pointer for PCI device.
@param Command - Command register value.
@param BridgeControl - Bridge control value for PPB or P2C.
@param Option - Make a choice of EFI_SET_SUPPORTS or EFI_SET_ATTRIBUTES.
Set the supported or current attributes of a PCI device.
@param PciIoDevice Structure pointer for PCI device.
@param Command Command register value.
@param BridgeControl Bridge control value for PPB or P2C.
@param Option Make a choice of EFI_SET_SUPPORTS or EFI_SET_ATTRIBUTES.
**/
EFI_STATUS
VOID
PciSetDeviceAttribute (
IN PCI_IO_DEVICE *PciIoDevice,
IN UINT16 Command,
@@ -830,15 +834,17 @@ PciSetDeviceAttribute (
} else {
PciIoDevice->Attributes = Attributes;
}
return EFI_SUCCESS;
}
/**
Determine if the device can support Fast Back to Back attribute.
@param PciIoDevice Pci device instance.
@param StatusIndex Status register value.
@retval EFI_SUCCESS This device support Fast Back to Back attribute.
@retval EFI_UNSUPPORTED This device doesn't support Fast Back to Back attribute.
**/
EFI_STATUS
GetFastBackToBackSupport (
@@ -867,7 +873,6 @@ GetFastBackToBackSupport (
} else {
return EFI_UNSUPPORTED;
}
}
/**
@@ -875,10 +880,9 @@ GetFastBackToBackSupport (
It can only be used after the first full Option ROM process.
@param PciIoDevice Pci device instance.
@retval EFI_SUCCESS Success Operation.
**/
EFI_STATUS
VOID
ProcessOptionRomLight (
IN PCI_IO_DEVICE *PciIoDevice
)
@@ -907,15 +911,13 @@ ProcessOptionRomLight (
CurrentLink = CurrentLink->ForwardLink;
}
return EFI_SUCCESS;
}
/**
Determine the related attributes of all devices under a Root Bridge
@param PciIoDevice PCI device instance.
Determine the related attributes of all devices under a Root Bridge.
@param PciIoDevice PCI device instance.
**/
EFI_STATUS
DetermineDeviceAttribute (
@@ -927,11 +929,6 @@ DetermineDeviceAttribute (
UINT16 OldCommand;
UINT16 OldBridgeControl;
BOOLEAN FastB2BSupport;
/*
UINT8 IdePI;
EFI_PCI_IO_PROTOCOL *PciIo;
*/
PCI_IO_DEVICE *Temp;
LIST_ENTRY *CurrentLink;
EFI_STATUS Status;
@@ -982,38 +979,6 @@ DetermineDeviceAttribute (
// Enable other supported attributes but not defined in PCI_IO_PROTOCOL
//
PCI_ENABLE_COMMAND_REGISTER (PciIoDevice, EFI_PCI_COMMAND_MEMORY_WRITE_AND_INVALIDATE);
//
// Enable IDE native mode
//
/*
if (IS_PCI_IDE(&PciIoDevice->Pci)) {
PciIo = &PciIoDevice->PciIo;
PciIoRead (
PciIo,
EfiPciIoWidthUint8,
0x09,
1,
&IdePI
);
//
// Set native mode if it can be supported
//
IdePI |= (((IdePI & 0x0F) >> 1) & 0x05);
PciIoWrite (
PciIo,
EfiPciIoWidthUint8,
0x09,
1,
&IdePI
);
}
*/
}
FastB2BSupport = TRUE;
@@ -1082,10 +1047,14 @@ DetermineDeviceAttribute (
}
/**
This routine is used to update the bar information for those incompatible PCI device
This routine is used to update the bar information for those incompatible PCI device.
@param PciIoDevice Pci device instance.
@return EFI_UNSUPPORTED failed to update Pci Info.
@retval EFI_SUCCESS Successfully updated bar information.
@retval EFI_UNSUPPORTED Given PCI device doesn't belong to incompatible PCI device list.
@retval other Failed to check incompatibility device.
**/
EFI_STATUS
UpdatePciInfo (
@@ -1227,21 +1196,21 @@ UpdatePciInfo (
if (Configuration != NULL) {
FreePool (Configuration);
}
return Status;
return EFI_SUCCESS;
}
/**
This routine will update the alignment with the new alignment
@param Alignment old alignment.
@param NewAlignment new alignment.
This routine will update the alignment with the new alignment.
@param Alignment Old alignment.
@param NewAlignment New alignment.
**/
VOID
SetNewAlign (
IN UINT64 *Alignment,
IN UINT64 NewAlignment
IN UINT64 *Alignment,
IN UINT64 NewAlignment
)
{
UINT64 OldAlignment;
@@ -1302,13 +1271,14 @@ SetNewAlign (
}
/**
Parse PCI bar bit.
Parse PCI bar information and fill them into PCI device instance.
@param PciIoDevice Pci device instance.
@param Offset bar offset.
@param BarIndex bar index.
@return next bar offset.
@param Offset Bar offset.
@param BarIndex Bar index.
@return Next bar offset.
**/
UINTN
PciParseBar (
@@ -1490,13 +1460,15 @@ PciParseBar (
/**
This routine is used to initialize the bar of a PCI device.
It can be called typically when a device is going to be rejected.
@param PciIoDevice Pci device instance.
@note It can be called typically when a device is going to be rejected.
**/
EFI_STATUS
VOID
InitializePciDevice (
IN PCI_IO_DEVICE *PciIoDevice
IN PCI_IO_DEVICE *PciIoDevice
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
@@ -1512,18 +1484,17 @@ InitializePciDevice (
for (Offset = 0x10; Offset <= 0x24; Offset += sizeof (UINT32)) {
PciIoWrite (PciIo, EfiPciIoWidthUint32, Offset, 1, &gAllOne);
}
return EFI_SUCCESS;
}
/**
Init PPB for bridge device
@param PciIoDevice Pci device instance.
This routine is used to initialize the bar of a PCI-PCI Bridge device.
@param PciIoDevice PCI-PCI bridge device instance.
**/
EFI_STATUS
VOID
InitializePpb (
IN PCI_IO_DEVICE *PciIoDevice
IN PCI_IO_DEVICE *PciIoDevice
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
@@ -1557,18 +1528,17 @@ InitializePpb (
// Force Interrupt line to zero for cards that come up randomly
//
PciIoWrite (PciIo, EfiPciIoWidthUint8, 0x3C, 1, &gAllZero);
return EFI_SUCCESS;
}
/**
Init private data for Hotplug bridge device
@param PciIoDevice hotplug bridge device.
This routine is used to initialize the bar of a PCI Card Bridge device.
@param PciIoDevice PCI Card bridge device.
**/
EFI_STATUS
VOID
InitializeP2C (
IN PCI_IO_DEVICE *PciIoDevice
IN PCI_IO_DEVICE *PciIoDevice
)
{
EFI_PCI_IO_PROTOCOL *PciIo;
@@ -1596,28 +1566,28 @@ InitializeP2C (
// Force Interrupt line to zero for cards that come up randomly
//
PciIoWrite (PciIo, EfiPciIoWidthUint8, 0x3C, 1, &gAllZero);
return EFI_SUCCESS;
}
/**
Create and initiliaze general PCI I/O device instance for
PCI device/bridge device/hotplug bridge device.
@param PciRootBridgeIo Pointer to instance of EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.
@param Pci Pci bar block.
@param Bus device Bus NO.
@param Device device device NO.
@param Func device func NO.
@return instance of PCI device.
@param Pci Input Pci information block.
@param Bus Device Bus NO.
@param Device Device device NO.
@param Func Device func NO.
@return Instance of PCI device. NULL means no instance created.
**/
PCI_IO_DEVICE *
CreatePciIoDevice (
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
IN PCI_TYPE00 *Pci,
UINT8 Bus,
UINT8 Device,
UINT8 Func
IN UINT8 Bus,
IN UINT8 Device,
IN UINT8 Func
)
{
PCI_IO_DEVICE *PciIoDevice;
@@ -1659,7 +1629,6 @@ CreatePciIoDevice (
InitializePciDriverOverrideInstance (PciIoDevice);
InitializePciLoadFile2 (PciIoDevice);
//
// Initialize the reserved resource list
//
@@ -1680,12 +1649,15 @@ CreatePciIoDevice (
/**
This routine is used to enumerate entire pci bus system
in a given platform
in a given platform.
It is only called on the second start on the same Root Bridge.
@param Controller Parent bridge handler.
@return status of operation.
@param Controller Parent bridge handler.
@retval EFI_SUCCESS PCI enumeration finished successfully.
@retval other Some error occurred when enumerating the pci bus system.
**/
EFI_STATUS
PciEnumeratorLight (
@@ -1745,7 +1717,7 @@ PciEnumeratorLight (
}
//
// Record the root bridge io protocol
// Record the root bridgeio protocol
//
RootBridgeDev->PciRootBridgeIo = PciRootBridgeIo;
@@ -1790,15 +1762,16 @@ PciEnumeratorLight (
}
/**
Get bus range.
Get bus range from PCI resource descriptor list.
@param Descriptors A pointer to the address space descriptor.
@param MinBus The min bus.
@param MaxBus The max bus.
@param BusRange The bus range.
@retval EFI_SUCCESS Success operation.
@retval EFI_NOT_FOUND can not find the specific bus.
@param MinBus The min bus returned.
@param MaxBus The max bus returned.
@param BusRange The bus range returned.
@retval EFI_SUCCESS Successfully got bus range.
@retval EFI_NOT_FOUND Can not find the specific bus.
**/
EFI_STATUS
PciGetBusRange (
@@ -1808,7 +1781,6 @@ PciGetBusRange (
OUT UINT16 *BusRange
)
{
while ((*Descriptors)->Desc != ACPI_END_TAG_DESCRIPTOR) {
if ((*Descriptors)->ResType == ACPI_ADDRESS_SPACE_TYPE_BUS) {
if (MinBus != NULL) {
@@ -1838,7 +1810,8 @@ PciGetBusRange (
@param RootBridgeDev Pci device instance.
@retval EFI_SUCCESS This device started.
@retval other Failed to get PCI Root Bridge I/O protocol.
**/
EFI_STATUS
StartManagingRootBridge (
@@ -1852,8 +1825,8 @@ StartManagingRootBridge (
//
// Get the root bridge handle
//
RootBridgeHandle = RootBridgeDev->Handle;
PciRootBridgeIo = NULL;
RootBridgeHandle = RootBridgeDev->Handle;
PciRootBridgeIo = NULL;
//
// Get the pci root bridge io protocol
@@ -1881,13 +1854,13 @@ StartManagingRootBridge (
}
/**
This routine can be used to check whether a PCI device should be rejected when light enumeration
This routine can be used to check whether a PCI device should be rejected when light enumeration.
@param PciIoDevice Pci device instance.
@retval TRUE This device should be rejected.
@retval FALSE This device shouldn't be rejected.
**/
BOOLEAN
IsPciDeviceRejected (
@@ -1945,7 +1918,6 @@ IsPciDeviceRejected (
//
// IO Bar
//
Mask = 0xFFFFFFFC;
TestValue = TestValue & Mask;
if ((TestValue != 0) && (TestValue == (OldValue & Mask))) {
@@ -1957,7 +1929,6 @@ IsPciDeviceRejected (
//
// Mem Bar
//
Mask = 0xFFFFFFF0;
TestValue = TestValue & Mask;
@@ -1972,7 +1943,6 @@ IsPciDeviceRejected (
//
// Test its high 32-Bit BAR
//
Status = BarExisted (PciIoDevice, BarOffset, &TestValue, &OldValue);
if (TestValue == OldValue) {
return TRUE;
@@ -1995,12 +1965,13 @@ IsPciDeviceRejected (
}
/**
Reset and all bus number from specific bridge.
Reset all bus number from specific bridge.
@param Bridge Parent specific bridge.
@param StartBusNumber start bus number.
@param StartBusNumber Start bus number.
**/
EFI_STATUS
VOID
ResetAllPpbBusNumber (
IN PCI_IO_DEVICE *Bridge,
IN UINT8 StartBusNumber
@@ -2071,7 +2042,5 @@ ResetAllPpbBusNumber (
}
}
}
return EFI_SUCCESS;
}