diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c | 117 |
1 files changed, 76 insertions, 41 deletions
diff --git a/MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c b/MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c index 784bf5560e..3e3391ebee 100644 --- a/MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c +++ b/MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c @@ -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 (
@@ -335,6 +335,20 @@ 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
// of NICs this undi supports. Also, these structures need to be on a
@@ -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.
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