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audk/MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c

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/** @file
Initialization functions for EFI UNDI32 driver.
Copyright (c) 2006 - 2008, 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 "Undi32.h"
//
// Global Variables
//
PXE_SW_UNDI *pxe_31 = NULL; // 3.1 entry
UNDI32_DEV *UNDI32DeviceList[MAX_NIC_INTERFACES];
NII_TABLE *UndiDataPointer = NULL;
//
// UNDI Class Driver Global Variables
//
EFI_DRIVER_BINDING_PROTOCOL gUndiDriverBinding = {
UndiDriverSupported,
UndiDriverStart,
UndiDriverStop,
0xa,
NULL,
NULL
};
/**
When address mapping changes to virtual this should make the appropriate
address conversions.
(Standard Event handler)
@return None
**/
VOID
EFIAPI
UndiNotifyVirtual (
EFI_EVENT Event,
VOID *Context
)
{
UINT16 Index;
VOID *Pxe31Pointer;
if (pxe_31 != NULL) {
Pxe31Pointer = (VOID *) pxe_31;
EfiConvertPointer (
EFI_OPTIONAL_PTR,
(VOID **) &Pxe31Pointer
);
//
// UNDI32DeviceList is an array of pointers
//
for (Index = 0; Index < pxe_31->IFcnt; Index++) {
UNDI32DeviceList[Index]->NIIProtocol_31.ID = (UINT64) (UINTN) Pxe31Pointer;
EfiConvertPointer (
EFI_OPTIONAL_PTR,
(VOID **) &(UNDI32DeviceList[Index])
);
}
EfiConvertPointer (
EFI_OPTIONAL_PTR,
(VOID **) &(pxe_31->EntryPoint)
);
pxe_31 = Pxe31Pointer;
}
for (Index = 0; Index <= PXE_OPCODE_LAST_VALID; Index++) {
EfiConvertPointer (
EFI_OPTIONAL_PTR,
(VOID **) &api_table[Index].api_ptr
);
}
}
/**
When EFI is shuting down the boot services, we need to install a
configuration table for UNDI to work at runtime!
(Standard Event handler)
@return None
**/
VOID
EFIAPI
UndiNotifyExitBs (
EFI_EVENT Event,
VOID *Context
)
{
InstallConfigTable ();
}
/**
Test to see if this driver supports ControllerHandle. Any ControllerHandle
than contains a DevicePath, PciIo protocol, Class code of 2, Vendor ID of 0x8086,
and DeviceId of (D100_DEVICE_ID || D102_DEVICE_ID || ICH3_DEVICE_ID_1 ||
ICH3_DEVICE_ID_2 || ICH3_DEVICE_ID_3 || ICH3_DEVICE_ID_4 || ICH3_DEVICE_ID_5 ||
ICH3_DEVICE_ID_6 || ICH3_DEVICE_ID_7 || ICH3_DEVICE_ID_8) can be supported.
@param This Protocol instance pointer.
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@retval EFI_SUCCESS This driver supports this device.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
UndiDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
PCI_TYPE00 Pci;
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
NULL,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = PciIo->Pci.Read (
PciIo,
EfiPciIoWidthUint8,
0,
sizeof (PCI_CONFIG_HEADER),
&Pci
);
if (!EFI_ERROR (Status)) {
Status = EFI_UNSUPPORTED;
if (Pci.Hdr.ClassCode[2] == 0x02 && Pci.Hdr.VendorId == PCI_VENDOR_ID_INTEL) {
switch (Pci.Hdr.DeviceId) {
case D100_DEVICE_ID:
case D102_DEVICE_ID:
case ICH3_DEVICE_ID_1:
case ICH3_DEVICE_ID_2:
case ICH3_DEVICE_ID_3:
case ICH3_DEVICE_ID_4:
case ICH3_DEVICE_ID_5:
case ICH3_DEVICE_ID_6:
case ICH3_DEVICE_ID_7:
case ICH3_DEVICE_ID_8:
case 0x1039:
case 0x103A:
case 0x103B:
case 0x103C:
case 0x103D:
case 0x103E:
case 0x1050:
case 0x1051:
case 0x1052:
case 0x1053:
case 0x1054:
case 0x1055:
case 0x1056:
case 0x1057:
case 0x1059:
case 0x1064:
Status = EFI_SUCCESS;
}
}
}
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Start this driver on Controller by opening PciIo and DevicePath protocol.
Initialize PXE structures, create a copy of the Controller Device Path with the
NIC's MAC address appended to it, install the NetworkInterfaceIdentifier protocol
on the newly created Device Path.
@param This Protocol instance pointer.
@param Controller Handle of device to work with.
@param RemainingDevicePath Not used, always produce all possible children.
@retval EFI_SUCCESS This driver is added to Controller.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
UndiDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *UndiDevicePath;
PCI_CONFIG_HEADER *CfgHdr;
UNDI32_DEV *UNDI32Device;
UINT16 NewCommand;
UINT8 *TmpPxePointer;
EFI_PCI_IO_PROTOCOL *PciIoFncs;
UINTN Len;
UINT64 Supports;
BOOLEAN PciAttributesSaved;
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIoFncs,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
(VOID **) &UndiDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
PciAttributesSaved = FALSE;
Status = gBS->AllocatePool (
EfiRuntimeServicesData,
sizeof (UNDI32_DEV),
(VOID **) &UNDI32Device
);
if (EFI_ERROR (Status)) {
goto UndiError;
}
ZeroMem ((CHAR8 *) UNDI32Device, sizeof (UNDI32_DEV));
//
// Get original PCI attributes
//
Status = PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationGet,
0,
&UNDI32Device->NicInfo.OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
goto UndiErrorDeleteDevice;
}
PciAttributesSaved = TRUE;
//
// allocate and initialize both (old and new) the !pxe structures here,
// there should only be one copy of each of these structure for any number
// of NICs this undi supports. Also, these structures need to be on a
// paragraph boundary as per the spec. so, while allocating space for these,
// make sure that there is space for 2 !pxe structures (old and new) and a
// 32 bytes padding for alignment adjustment (in case)
//
TmpPxePointer = NULL;
if (pxe_31 == NULL) {
Status = gBS->AllocatePool (
EfiRuntimeServicesData,
(sizeof (PXE_SW_UNDI) + sizeof (PXE_SW_UNDI) + 32),
(VOID **) &TmpPxePointer
);
if (EFI_ERROR (Status)) {
goto UndiErrorDeleteDevice;
}
ZeroMem (
TmpPxePointer,
sizeof (PXE_SW_UNDI) + sizeof (PXE_SW_UNDI) + 32
);
//
// check for paragraph alignment here, assuming that the pointer is
// already 8 byte aligned.
//
if (((UINTN) TmpPxePointer & 0x0F) != 0) {
pxe_31 = (PXE_SW_UNDI *) ((UINTN) (TmpPxePointer + 8));
} else {
pxe_31 = (PXE_SW_UNDI *) TmpPxePointer;
}
PxeStructInit (pxe_31);
}
UNDI32Device->NIIProtocol_31.ID = (UINT64) (UINTN) (pxe_31);
Status = PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
if (!EFI_ERROR (Status)) {
Supports &= EFI_PCI_DEVICE_ENABLE;
Status = PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationEnable,
Supports,
NULL
);
}
//
// Read all the registers from device's PCI Configuration space
//
Status = PciIoFncs->Pci.Read (
PciIoFncs,
EfiPciIoWidthUint32,
0,
MAX_PCI_CONFIG_LEN,
&UNDI32Device->NicInfo.Config
);
CfgHdr = (PCI_CONFIG_HEADER *) &(UNDI32Device->NicInfo.Config[0]);
//
// make sure that this device is a PCI bus master
//
NewCommand = (UINT16) (CfgHdr->Command | PCI_COMMAND_MASTER | PCI_COMMAND_IO);
if (CfgHdr->Command != NewCommand) {
PciIoFncs->Pci.Write (
PciIoFncs,
EfiPciIoWidthUint16,
PCI_COMMAND,
1,
&NewCommand
);
CfgHdr->Command = NewCommand;
}
//
// make sure that the latency timer is at least 32
//
if (CfgHdr->LatencyTimer < 32) {
CfgHdr->LatencyTimer = 32;
PciIoFncs->Pci.Write (
PciIoFncs,
EfiPciIoWidthUint8,
PCI_LATENCY_TIMER,
1,
&CfgHdr->LatencyTimer
);
}
//
// the IfNum index for the current interface will be the total number
// of interfaces initialized so far
//
UNDI32Device->NIIProtocol_31.IfNum = pxe_31->IFcnt;
PxeUpdate (&UNDI32Device->NicInfo, pxe_31);
UNDI32Device->NicInfo.Io_Function = PciIoFncs;
UNDI32DeviceList[UNDI32Device->NIIProtocol_31.IfNum] = UNDI32Device;
UNDI32Device->Undi32BaseDevPath = UndiDevicePath;
Status = AppendMac2DevPath (
&UNDI32Device->Undi32DevPath,
UNDI32Device->Undi32BaseDevPath,
&UNDI32Device->NicInfo
);
if (Status != 0) {
goto UndiErrorDeletePxe;
}
UNDI32Device->Signature = UNDI_DEV_SIGNATURE;
UNDI32Device->NIIProtocol_31.Revision = EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION_31;
UNDI32Device->NIIProtocol_31.Type = EfiNetworkInterfaceUndi;
UNDI32Device->NIIProtocol_31.MajorVer = PXE_ROMID_MAJORVER;
UNDI32Device->NIIProtocol_31.MinorVer = PXE_ROMID_MINORVER_31;
UNDI32Device->NIIProtocol_31.ImageSize = 0;
UNDI32Device->NIIProtocol_31.ImageAddr = 0;
UNDI32Device->NIIProtocol_31.Ipv6Supported = FALSE;
UNDI32Device->NIIProtocol_31.StringId[0] = 'U';
UNDI32Device->NIIProtocol_31.StringId[1] = 'N';
UNDI32Device->NIIProtocol_31.StringId[2] = 'D';
UNDI32Device->NIIProtocol_31.StringId[3] = 'I';
UNDI32Device->DeviceHandle = NULL;
//
// install both the 3.0 and 3.1 NII protocols.
//
Status = gBS->InstallMultipleProtocolInterfaces (
&UNDI32Device->DeviceHandle,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
&UNDI32Device->NIIProtocol_31,
&gEfiDevicePathProtocolGuid,
UNDI32Device->Undi32DevPath,
NULL
);
if (EFI_ERROR (Status)) {
goto UndiErrorDeleteDevicePath;
}
//
// if the table exists, free it and alloc again, or alloc it directly
//
if (UndiDataPointer != NULL) {
Status = gBS->FreePool(UndiDataPointer);
}
if (EFI_ERROR (Status)) {
goto UndiErrorDeleteDevicePath;
}
Len = (pxe_31->IFcnt * sizeof (NII_ENTRY)) + sizeof (UndiDataPointer);
Status = gBS->AllocatePool (EfiRuntimeServicesData, Len, (VOID **) &UndiDataPointer);
if (EFI_ERROR (Status)) {
goto UndiErrorAllocDataPointer;
}
//
// Open For Child Device
//
Status = gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIoFncs,
This->DriverBindingHandle,
UNDI32Device->DeviceHandle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
return EFI_SUCCESS;
UndiErrorAllocDataPointer:
gBS->UninstallMultipleProtocolInterfaces (
&UNDI32Device->DeviceHandle,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
&UNDI32Device->NIIProtocol_31,
&gEfiDevicePathProtocolGuid,
UNDI32Device->Undi32DevPath,
NULL
);
UndiErrorDeleteDevicePath:
UNDI32DeviceList[UNDI32Device->NIIProtocol_31.IfNum] = NULL;
gBS->FreePool (UNDI32Device->Undi32DevPath);
UndiErrorDeletePxe:
PxeUpdate (NULL, pxe_31);
if (TmpPxePointer != NULL) {
gBS->FreePool (TmpPxePointer);
}
UndiErrorDeleteDevice:
if (PciAttributesSaved) {
//
// Restore original PCI attributes
//
PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationSet,
UNDI32Device->NicInfo.OriginalPciAttributes,
NULL
);
}
gBS->FreePool (UNDI32Device);
UndiError:
gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
/**
Stop this driver on Controller by removing NetworkInterfaceIdentifier protocol and
closing the DevicePath and PciIo protocols on Controller.
@param This Protocol instance pointer.
@param Controller Handle of device to stop driver on.
@param NumberOfChildren How many children need to be stopped.
@param ChildHandleBuffer Not used.
@retval EFI_SUCCESS This driver is removed Controller.
@retval other This driver was not removed from this device.
**/
// TODO: EFI_DEVICE_ERROR - add return value to function comment
EFI_STATUS
EFIAPI
UndiDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_STATUS Status;
BOOLEAN AllChildrenStopped;
UINTN Index;
UNDI32_DEV *UNDI32Device;
EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NIIProtocol;
EFI_PCI_IO_PROTOCOL *PciIo;
//
// Complete all outstanding transactions to Controller.
// Don't allow any new transaction to Controller to be started.
//
if (NumberOfChildren == 0) {
//
// Close the bus driver
//
Status = gBS->CloseProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
This->DriverBindingHandle,
Controller
);
Status = gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
Controller
);
return Status;
}
AllChildrenStopped = TRUE;
for (Index = 0; Index < NumberOfChildren; Index++) {
Status = gBS->OpenProtocol (
ChildHandleBuffer[Index],
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
(VOID **) &NIIProtocol,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (!EFI_ERROR (Status)) {
UNDI32Device = UNDI_DEV_FROM_THIS (NIIProtocol);
//
// Restore original PCI attributes
//
Status = UNDI32Device->NicInfo.Io_Function->Attributes (
UNDI32Device->NicInfo.Io_Function,
EfiPciIoAttributeOperationSet,
UNDI32Device->NicInfo.OriginalPciAttributes,
NULL
);
ASSERT_EFI_ERROR (Status);
Status = gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
This->DriverBindingHandle,
ChildHandleBuffer[Index]
);
Status = gBS->UninstallMultipleProtocolInterfaces (
ChildHandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
UNDI32Device->Undi32DevPath,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
&UNDI32Device->NIIProtocol_31,
NULL
);
if (EFI_ERROR (Status)) {
gBS->OpenProtocol (
Controller,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
This->DriverBindingHandle,
ChildHandleBuffer[Index],
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
} else {
gBS->FreePool (UNDI32Device->Undi32DevPath);
gBS->FreePool (UNDI32Device);
}
}
if (EFI_ERROR (Status)) {
AllChildrenStopped = FALSE;
}
}
if (!AllChildrenStopped) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
/**
Use the EFI boot services to produce a pause. This is also the routine which
gets replaced during RunTime by the O/S in the NIC_DATA_INSTANCE so it can
do it's own pause.
@param UnqId Runtime O/S routine might use this, this temp
routine does not use it
@param MicroSeconds Determines the length of pause.
@return none
**/
VOID
TmpDelay (
IN UINT64 UnqId,
IN UINTN MicroSeconds
)
{
gBS->Stall ((UINT32) MicroSeconds);
}
/**
Use the PCI IO abstraction to issue memory or I/O reads and writes. This is also the routine which
gets replaced during RunTime by the O/S in the NIC_DATA_INSTANCE so it can do it's own I/O abstractions.
@param UnqId Runtime O/S routine may use this field, this temp
routine does not.
@param ReadWrite Determine if it is an I/O or Memory Read/Write
Operation.
@param Len Determines the width of the data operation.
@param Port What port to Read/Write from.
@param BuffAddr Address to read to or write from.
@return none
**/
VOID
TmpMemIo (
IN UINT64 UnqId,
IN UINT8 ReadWrite,
IN UINT8 Len,
IN UINT64 Port,
IN UINT64 BuffAddr
)
{
EFI_PCI_IO_PROTOCOL_WIDTH Width;
NIC_DATA_INSTANCE *AdapterInfo;
Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 0;
AdapterInfo = (NIC_DATA_INSTANCE *) (UINTN) UnqId;
switch (Len) {
case 2:
Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 1;
break;
case 4:
Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 2;
break;
case 8:
Width = (EFI_PCI_IO_PROTOCOL_WIDTH) 3;
break;
}
switch (ReadWrite) {
case PXE_IO_READ:
AdapterInfo->Io_Function->Io.Read (
AdapterInfo->Io_Function,
Width,
1,
Port,
1,
(VOID *) (UINTN) (BuffAddr)
);
break;
case PXE_IO_WRITE:
AdapterInfo->Io_Function->Io.Write (
AdapterInfo->Io_Function,
Width,
1,
Port,
1,
(VOID *) (UINTN) (BuffAddr)
);
break;
case PXE_MEM_READ:
AdapterInfo->Io_Function->Mem.Read (
AdapterInfo->Io_Function,
Width,
0,
Port,
1,
(VOID *) (UINTN) (BuffAddr)
);
break;
case PXE_MEM_WRITE:
AdapterInfo->Io_Function->Mem.Write (
AdapterInfo->Io_Function,
Width,
0,
Port,
1,
(VOID *) (UINTN) (BuffAddr)
);
break;
}
return ;
}
/**
Using the NIC data structure information, read the EEPROM to get the MAC address and then allocate space
for a new devicepath (**DevPtr) which will contain the original device path the NIC was found on (*BaseDevPtr)
and an added MAC node.
@param DevPtr Pointer which will point to the newly created device
path with the MAC node attached.
@param BaseDevPtr Pointer to the device path which the UNDI device
driver is latching on to.
@param AdapterInfo Pointer to the NIC data structure information which
the UNDI driver is layering on..
@retval EFI_SUCCESS A MAC address was successfully appended to the Base
Device Path.
@retval other Not enough resources available to create new Device
Path node.
**/
EFI_STATUS
AppendMac2DevPath (
IN OUT EFI_DEVICE_PATH_PROTOCOL **DevPtr,
IN EFI_DEVICE_PATH_PROTOCOL *BaseDevPtr,
IN NIC_DATA_INSTANCE *AdapterInfo
)
{
EFI_MAC_ADDRESS MACAddress;
PCI_CONFIG_HEADER *CfgHdr;
INT32 Val;
INT32 Index;
INT32 Index2;
UINT8 AddrLen;
MAC_ADDR_DEVICE_PATH MacAddrNode;
EFI_DEVICE_PATH_PROTOCOL *EndNode;
UINT8 *DevicePtr;
UINT16 TotalPathLen;
UINT16 BasePathLen;
EFI_STATUS Status;
//
// set the environment ready (similar to UNDI_Start call) so that we can
// execute the other UNDI_ calls to get the mac address
// we are using undi 3.1 style
//
AdapterInfo->Delay = TmpDelay;
AdapterInfo->Virt2Phys = (VOID *) 0;
AdapterInfo->Block = (VOID *) 0;
AdapterInfo->Map_Mem = (VOID *) 0;
AdapterInfo->UnMap_Mem = (VOID *) 0;
AdapterInfo->Sync_Mem = (VOID *) 0;
AdapterInfo->Mem_Io = TmpMemIo;
//
// these tmp call-backs follow 3.1 undi style
// i.e. they have the unique_id parameter.
//
AdapterInfo->VersionFlag = 0x31;
AdapterInfo->Unique_ID = (UINT64) (UINTN) AdapterInfo;
//
// undi init portion
//
CfgHdr = (PCI_CONFIG_HEADER *) &(AdapterInfo->Config[0]);
AdapterInfo->ioaddr = 0;
AdapterInfo->RevID = CfgHdr->RevID;
AddrLen = E100bGetEepromAddrLen (AdapterInfo);
for (Index = 0, Index2 = 0; Index < 3; Index++) {
Val = E100bReadEeprom (AdapterInfo, Index, AddrLen);
MACAddress.Addr[Index2++] = (UINT8) Val;
MACAddress.Addr[Index2++] = (UINT8) (Val >> 8);
}
SetMem (MACAddress.Addr + Index2, sizeof (EFI_MAC_ADDRESS) - Index2, 0);
//for (; Index2 < sizeof (EFI_MAC_ADDRESS); Index2++) {
// MACAddress.Addr[Index2] = 0;
//}
//
// stop undi
//
AdapterInfo->Delay = (VOID *) 0;
AdapterInfo->Mem_Io = (VOID *) 0;
//
// fill the mac address node first
//
ZeroMem ((CHAR8 *) &MacAddrNode, sizeof MacAddrNode);
CopyMem (
(CHAR8 *) &MacAddrNode.MacAddress,
(CHAR8 *) &MACAddress,
sizeof (EFI_MAC_ADDRESS)
);
MacAddrNode.Header.Type = MESSAGING_DEVICE_PATH;
MacAddrNode.Header.SubType = MSG_MAC_ADDR_DP;
MacAddrNode.Header.Length[0] = sizeof (MacAddrNode);
MacAddrNode.Header.Length[1] = 0;
//
// find the size of the base dev path.
//
EndNode = BaseDevPtr;
while (!IsDevicePathEnd (EndNode)) {
EndNode = NextDevicePathNode (EndNode);
}
BasePathLen = (UINT16) ((UINTN) (EndNode) - (UINTN) (BaseDevPtr));
//
// create space for full dev path
//
TotalPathLen = (UINT16) (BasePathLen + sizeof (MacAddrNode) + sizeof (EFI_DEVICE_PATH_PROTOCOL));
Status = gBS->AllocatePool (
EfiRuntimeServicesData,
TotalPathLen,
(VOID **) &DevicePtr
);
if (Status != EFI_SUCCESS) {
return Status;
}
//
// copy the base path, mac addr and end_dev_path nodes
//
*DevPtr = (EFI_DEVICE_PATH_PROTOCOL *) DevicePtr;
CopyMem (DevicePtr, (CHAR8 *) BaseDevPtr, BasePathLen);
DevicePtr += BasePathLen;
CopyMem (DevicePtr, (CHAR8 *) &MacAddrNode, sizeof (MacAddrNode));
DevicePtr += sizeof (MacAddrNode);
CopyMem (DevicePtr, (CHAR8 *) EndNode, sizeof (EFI_DEVICE_PATH_PROTOCOL));
return EFI_SUCCESS;
}
/**
Install a GUID/Pointer pair into the system's configuration table.
none
@retval EFI_SUCCESS Install a GUID/Pointer pair into the system's
configuration table.
@retval other Did not successfully install the GUID/Pointer pair
into the configuration table.
**/
// TODO: VOID - add argument and description to function comment
EFI_STATUS
InstallConfigTable (
IN VOID
)
{
EFI_STATUS Status;
EFI_CONFIGURATION_TABLE *CfgPtr;
NII_TABLE *TmpData;
UINT16 Index;
NII_TABLE *UndiData;
if (pxe_31 == NULL) {
return EFI_SUCCESS;
}
if(UndiDataPointer == NULL) {
return EFI_SUCCESS;
}
UndiData = (NII_TABLE *)UndiDataPointer;
UndiData->NumEntries = pxe_31->IFcnt;
UndiData->NextLink = NULL;
for (Index = 0; Index < pxe_31->IFcnt; Index++) {
UndiData->NiiEntry[Index].InterfacePointer = &UNDI32DeviceList[Index]->NIIProtocol_31;
UndiData->NiiEntry[Index].DevicePathPointer = UNDI32DeviceList[Index]->Undi32DevPath;
}
//
// see if there is an entry in the config table already
//
CfgPtr = gST->ConfigurationTable;
for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {
Status = CompareGuid (
&CfgPtr->VendorGuid,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31
);
if (Status != EFI_SUCCESS) {
break;
}
CfgPtr++;
}
if (Index < gST->NumberOfTableEntries) {
TmpData = (NII_TABLE *) CfgPtr->VendorTable;
//
// go to the last link
//
while (TmpData->NextLink != NULL) {
TmpData = TmpData->NextLink;
}
TmpData->NextLink = UndiData;
//
// 1st one in chain
//
UndiData = (NII_TABLE *) CfgPtr->VendorTable;
}
//
// create an entry in the configuration table for our GUID
//
Status = gBS->InstallConfigurationTable (
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
UndiData
);
return Status;
}
/**
**/
EFI_STATUS
EFIAPI
InitializeUndi(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_EVENT Event;
EFI_STATUS Status;
Status = EfiLibInstallDriverBinding (
ImageHandle,
SystemTable,
&gUndiDriverBinding,
ImageHandle
);
ASSERT_EFI_ERROR (Status);
Status = gBS->CreateEvent (
EVT_SIGNAL_EXIT_BOOT_SERVICES,
TPL_NOTIFY,
UndiNotifyExitBs,
NULL,
&Event
);
ASSERT_EFI_ERROR (Status);
Status = gBS->CreateEvent (
EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
TPL_NOTIFY,
UndiNotifyVirtual,
NULL,
&Event
);
ASSERT_EFI_ERROR (Status);
return Status;
}
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