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Save original PCI attributes in start() function and restore it in Stop() for those PCI device drivers.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4212 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-10-25 07:59:45 +00:00
parent c9a0a0fcf1
commit 68246fa809
9 changed files with 328 additions and 268 deletions
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117
MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c
View File

@@ -1,13 +1,13 @@
/*++
Copyright (c) 2006, 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, 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.
Module Name:
@@ -22,7 +22,7 @@ Revision History
--*/
#include "Undi32.h"
#include <Library/BaseLib.h>
//
// Global Variables
//
@@ -30,7 +30,7 @@ PXE_SW_UNDI *pxe = 0; // 3.0 entry point
PXE_SW_UNDI *pxe_31 = 0; // 3.1 entry
UNDI32_DEV *UNDI32DeviceList[MAX_NIC_INTERFACES];
NII_TABLE *UnidiDataPointer=NULL;
NII_TABLE *UndiDataPointer = NULL;
VOID
EFIAPI
@@ -103,7 +103,7 @@ UndiNotifyExitBs (
Routine Description:
When EFI is shuting down the boot services, we need to install a
When EFI is shuting down the boot services, we need to install a
configuration table for UNDI to work at runtime!
Arguments:
@@ -152,15 +152,15 @@ Routine Description:
Arguments:
This - Protocol instance pointer.
Controller - Handle of device to test.
RemainingDevicePath - Not used.
Returns:
EFI_SUCCESS - This driver supports this device.
other - This driver does not support this device.
--*/
@@ -266,15 +266,15 @@ Routine Description:
Arguments:
This - Protocol instance pointer.
Controller - Handle of device to work with.
RemainingDevicePath - Not used, always produce all possible children.
Returns:
EFI_SUCCESS - This driver is added to Controller.
other - This driver does not support this device.
--*/
@@ -286,7 +286,7 @@ Returns:
UINT16 NewCommand;
UINT8 *TmpPxePointer;
EFI_PCI_IO_PROTOCOL *PciIoFncs;
UINTN Len;
UINTN Len;
UINT64 Supports;
Status = gBS->OpenProtocol (
@@ -334,6 +334,20 @@ Returns:
ZeroMem ((CHAR8 *) UNDI32Device, sizeof (UNDI32_DEV));
//
// Get original PCI attributes
//
Status = PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationGet,
0,
&UNDI32Device->NicInfo.OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// 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
@@ -509,22 +523,22 @@ Returns:
}
//
// if the table exists, free it and alloc again, or alloc it directly
// if the table exists, free it and alloc again, or alloc it directly
//
if (UnidiDataPointer != NULL) {
Status = gBS->FreePool(UnidiDataPointer);
if (UndiDataPointer != NULL) {
Status = gBS->FreePool(UndiDataPointer);
}
if (EFI_ERROR (Status)) {
goto UndiErrorDeleteDevicePath;
}
Len = (pxe_31->IFcnt * sizeof (NII_ENTRY)) + sizeof (UnidiDataPointer);
Status = gBS->AllocatePool (EfiRuntimeServicesData, Len, (VOID **) &UnidiDataPointer);
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
//
@@ -563,6 +577,16 @@ UndiErrorDeletePxe:
}
UndiErrorDeleteDevice:
//
// Restore original PCI attributes
//
PciIoFncs->Attributes (
PciIoFncs,
EfiPciIoAttributeOperationSet,
UNDI32Device->NicInfo.OriginalPciAttributes,
NULL
);
gBS->FreePool (UNDI32Device);
UndiError:
@@ -659,6 +683,17 @@ Returns:
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,
@@ -721,7 +756,7 @@ Routine Description:
Arguments:
UnqId - Runtime O/S routine might use this, this temp routine does not use it
MicroSeconds - Determines the length of pause.
Returns:
@@ -751,13 +786,13 @@ Routine Description:
Arguments:
UnqId - Runtime O/S routine may use this field, this temp routine does not.
ReadWrite - Determine if it is an I/O or Memory Read/Write Operation.
Len - Determines the width of the data operation.
Port - What port to Read/Write from.
BuffAddr - Address to read to or write from.
Returns:
@@ -851,15 +886,15 @@ Routine Description:
Arguments:
DevPtr - Pointer which will point to the newly created device path with the MAC node attached.
BaseDevPtr - Pointer to the device path which the UNDI device driver is latching on to.
AdapterInfo - Pointer to the NIC data structure information which the UNDI driver is layering on..
Returns:
EFI_SUCCESS - A MAC address was successfully appended to the Base Device Path.
other - Not enough resources available to create new Device Path node.
--*/
@@ -991,7 +1026,7 @@ Arguments:
Returns:
EFI_SUCCESS - Install a GUID/Pointer pair into the system's configuration table.
other - Did not successfully install the GUID/Pointer pair into the configuration table.
--*/
@@ -1007,12 +1042,12 @@ Returns:
return EFI_SUCCESS;
}
if(UnidiDataPointer == NULL) {
if(UndiDataPointer == NULL) {
return EFI_SUCCESS;
}
UndiData = (NII_TABLE *)UnidiDataPointer;
UndiData = (NII_TABLE *)UndiDataPointer;
UndiData->NumEntries = pxe_31->IFcnt;
UndiData->NextLink = NULL;
@@ -1067,12 +1102,12 @@ Returns:
}
/**
Install driver binding protocol of UNDI.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.