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

Browse Source 
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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109
MdeModulePkg/Bus/Pci/AtapiPassThruDxe/AtapiPassThru.c
View File

@ -163,9 +163,9 @@ AtapiScsiPassThruDriverBindingStart (
)
{
EFI_STATUS Status;
EFI_STATUS DisableStatus;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 Supports;
UINT64 OriginalPciAttributes;
PciIo = NULL;
Status = gBS->OpenProtocol (
@ -180,6 +180,20 @@ AtapiScsiPassThruDriverBindingStart (
return Status;
}
//
// Save original PCI attributes
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationGet,
0,
&OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSupported,
@ -204,29 +218,19 @@ AtapiScsiPassThruDriverBindingStart (
//
// Create SCSI Pass Thru instance for the IDE channel.
//
Status = RegisterAtapiScsiPassThru (This, Controller, PciIo);
Status = RegisterAtapiScsiPassThru (This, Controller, PciIo, OriginalPciAttributes);
Done:
if (EFI_ERROR (Status)) {
if (PciIo) {
DisableStatus = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
if (!EFI_ERROR (DisableStatus)) {
Supports &= (EFI_PCI_DEVICE_ENABLE |
EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO |
EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO);
DisableStatus = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationDisable,
Supports,
NULL
);
}
}
//
// Restore original PCI attributes
//
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSet,
OriginalPciAttributes,
NULL
);
gBS->CloseProtocol (
Controller,
@ -264,7 +268,6 @@ AtapiScsiPassThruDriverBindingStop (
EFI_STATUS Status;
EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;
UINT64 Supports;
Status = gBS->OpenProtocol (
Controller,
@ -288,26 +291,16 @@ AtapiScsiPassThruDriverBindingStop (
if (EFI_ERROR (Status)) {
return Status;
}
//
// Release Pci Io protocol on the controller handle.
// Restore original PCI attributes
//
Status = AtapiScsiPrivate->PciIo->Attributes (
AtapiScsiPrivate->PciIo,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
if (!EFI_ERROR (Status)) {
Supports &= (EFI_PCI_DEVICE_ENABLE |
EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO |
EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO);
Status = AtapiScsiPrivate->PciIo->Attributes (
AtapiScsiPrivate->PciIo,
EfiPciIoAttributeOperationDisable,
Supports,
NULL
);
}
AtapiScsiPrivate->PciIo->Attributes (
AtapiScsiPrivate->PciIo,
EfiPciIoAttributeOperationSet,
AtapiScsiPrivate->OriginalPciAttributes,
NULL
);
gBS->CloseProtocol (
Controller,
@ -324,8 +317,10 @@ AtapiScsiPassThruDriverBindingStop (
/**
Attaches SCSI Pass Thru Protocol for specified IDE channel.
@param Controller: Parent device handle to the IDE channel.
@param PciIo: PCI I/O protocol attached on the "Controller".
@param Controller: Parent device handle to the IDE channel.
@param PciIo: PCI I/O protocol attached on the "Controller".
@param OriginalPciAttributes Original PCI attributes
@return EFI_SUCCESS Always returned unless installing SCSI Pass Thru Protocol failed.
@ -338,12 +333,12 @@ EFI_STATUS
RegisterAtapiScsiPassThru (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_PCI_IO_PROTOCOL *PciIo
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT64 OriginalPciAttributes
)
{
EFI_STATUS Status;
ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;
UINT64 Supports;
IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[ATAPI_MAX_CHANNEL];
AtapiScsiPrivate = AllocateZeroPool (sizeof (ATAPI_SCSI_PASS_THRU_DEV));
@ -353,35 +348,15 @@ RegisterAtapiScsiPassThru (
CopyMem (AtapiScsiPrivate->ChannelName, gAtapiChannelString, sizeof (gAtapiChannelString));
//
// Enable channel
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
if (!EFI_ERROR (Status)) {
Supports &= (EFI_PCI_DEVICE_ENABLE |
EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO |
EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO);
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationEnable,
Supports,
NULL
);
}
AtapiScsiPrivate->Signature = ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE;
AtapiScsiPrivate->Handle = Controller;
//
// will reset the IoPort inside each API function.
//
AtapiScsiPrivate->IoPort = NULL;
AtapiScsiPrivate->PciIo = PciIo;
AtapiScsiPrivate->IoPort = NULL;
AtapiScsiPrivate->PciIo = PciIo;
AtapiScsiPrivate->OriginalPciAttributes = OriginalPciAttributes;
//
// Obtain IDE IO port registers' base addresses

7
MdeModulePkg/Bus/Pci/AtapiPassThruDxe/AtapiPassThru.h
View File

@ -102,6 +102,7 @@ typedef struct {
EFI_SCSI_PASS_THRU_PROTOCOL ScsiPassThru;
EFI_SCSI_PASS_THRU_MODE ScsiPassThruMode;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
//
// Local Data goes here
//
@ -454,6 +455,7 @@ AtapiScsiPassThruDriverEntryPoint (
@param This
@param Controller
@param PciIo
@param OriginalPciAttributes
@todo Add function description
@todo This add argument description
@ -463,9 +465,10 @@ AtapiScsiPassThruDriverEntryPoint (
**/
EFI_STATUS
RegisterAtapiScsiPassThru (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_PCI_IO_PROTOCOL *PciIo
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT64 OriginalPciAttributes
)
;

63
MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c
View File

@ -1395,7 +1395,8 @@ ON_EXIT:
/**
Create and initialize a USB2_HC_DEV
@param PciIo The PciIo on this device
@param PciIo The PciIo on this device
@param OriginalPciAttributes Original PCI attributes
@return The allocated and initialized USB2_HC_DEV structure
@return if created, otherwise NULL.
@ -1404,7 +1405,8 @@ ON_EXIT:
STATIC
USB2_HC_DEV *
EhcCreateUsb2Hc (
IN EFI_PCI_IO_PROTOCOL *PciIo
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT64 OriginalPciAttributes
)
{
USB2_HC_DEV *Ehc;
@ -1437,7 +1439,8 @@ EhcCreateUsb2Hc (
Ehc->Usb2Hc.MajorRevision = 0x1;
Ehc->Usb2Hc.MinorRevision = 0x1;
Ehc->PciIo = PciIo;
Ehc->PciIo = PciIo;
Ehc->OriginalPciAttributes = OriginalPciAttributes;
InitializeListHead (&Ehc->AsyncIntTransfers);
@ -1492,6 +1495,7 @@ EhcDriverBindingStart (
USB2_HC_DEV *Ehc;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 Supports;
UINT64 OriginalPciAttributes;
//
// Open the PciIo Protocol, then enable the USB host controller
@ -1510,6 +1514,20 @@ EhcDriverBindingStart (
return EFI_DEVICE_ERROR;
}
//
// Save original PCI attributes
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationGet,
0,
&OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSupported,
@ -1534,7 +1552,7 @@ EhcDriverBindingStart (
//
// Create then install USB2_HC_PROTOCOL
//
Ehc = EhcCreateUsb2Hc (PciIo);
Ehc = EhcCreateUsb2Hc (PciIo, OriginalPciAttributes);
if (Ehc == NULL) {
EHC_ERROR (("EhcDriverBindingStart: failed to create USB2_HC\n"));
@ -1616,6 +1634,16 @@ FREE_POOL:
gBS->FreePool (Ehc);
CLOSE_PCIIO:
//
// Restore original PCI attributes
//
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSet,
OriginalPciAttributes,
NULL
);
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,
@ -1653,7 +1681,6 @@ EhcDriverBindingStop (
EFI_USB2_HC_PROTOCOL *Usb2Hc;
EFI_PCI_IO_PROTOCOL *PciIo;
USB2_HC_DEV *Ehc;
UINT64 Supports;
//
// Test whether the Controller handler passed in is a valid
@ -1704,23 +1731,14 @@ EhcDriverBindingStop (
}
//
// Disable the USB Host Controller
// Restore original PCI attributes
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
if (!EFI_ERROR (Status)) {
Supports &= EFI_PCI_DEVICE_ENABLE;
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationDisable,
Supports,
NULL
);
}
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSet,
Ehc->OriginalPciAttributes,
NULL
);
gBS->CloseProtocol (
Controller,
@ -1729,7 +1747,8 @@ EhcDriverBindingStop (
Controller
);
gBS->FreePool (Ehc);
FreePool (Ehc);
return EFI_SUCCESS;
}

1
MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
View File

@ -111,6 +111,7 @@ struct _USB2_HC_DEV {
EFI_USB2_HC_PROTOCOL Usb2Hc;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
USBHC_MEM_POOL *MemPool;
//

56
MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c
View File

@ -1941,7 +1941,8 @@ ON_EXIT:
STATIC
USB_HC_DEV *
UhciAllocateDev (
IN EFI_PCI_IO_PROTOCOL *PciIo
IN EFI_PCI_IO_PROTOCOL *PciIo,
IN UINT64 OriginalPciAttributes
)
{
USB_HC_DEV *Uhc;
@ -1990,8 +1991,9 @@ UhciAllocateDev (
Uhc->Usb2Hc.MajorRevision = 0x1;
Uhc->Usb2Hc.MinorRevision = 0x1;
Uhc->PciIo = PciIo;
Uhc->MemPool = UsbHcInitMemPool (PciIo, TRUE, 0);
Uhc->PciIo = PciIo;
Uhc->OriginalPciAttributes = OriginalPciAttributes;
Uhc->MemPool = UsbHcInitMemPool (PciIo, TRUE, 0);
if (Uhc->MemPool == NULL) {
Status = EFI_OUT_OF_RESOURCES;
@ -2068,7 +2070,6 @@ UhciCleanDevUp (
)
{
USB_HC_DEV *Uhc;
UINT64 Supports;
//
// Uninstall the USB_HC and USB_HC2 protocol, then disable the controller
@ -2091,19 +2092,15 @@ UhciCleanDevUp (
UhciFreeAllAsyncReq (Uhc);
UhciDestoryFrameList (Uhc);
//
// Restore original PCI attributes
//
Uhc->PciIo->Attributes (
Uhc->PciIo,
EfiPciIoAttributeOperationSupported,
0,
&Supports
);
Supports &= EFI_PCI_DEVICE_ENABLE;
Uhc->PciIo->Attributes (
Uhc->PciIo,
EfiPciIoAttributeOperationDisable,
Supports,
NULL
);
Uhc->PciIo,
EfiPciIoAttributeOperationSet,
Uhc->OriginalPciAttributes,
NULL
);
UhciFreeDev (Uhc);
}
@ -2135,6 +2132,7 @@ UhciDriverBindingStart (
EFI_PCI_IO_PROTOCOL *PciIo;
USB_HC_DEV *Uhc;
UINT64 Supports;
UINT64 OriginalPciAttributes;
//
// Open PCIIO, then enable the EHC device and turn off emulation
@ -2153,6 +2151,20 @@ UhciDriverBindingStart (
return Status;
}
//
// Save original PCI attributes
//
Status = PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationGet,
0,
&OriginalPciAttributes
);
if (EFI_ERROR (Status)) {
return Status;
}
UhciTurnOffUsbEmulation (PciIo);
Status = PciIo->Attributes (
@ -2175,7 +2187,7 @@ UhciDriverBindingStart (
goto CLOSE_PCIIO;
}
Uhc = UhciAllocateDev (PciIo);
Uhc = UhciAllocateDev (PciIo, OriginalPciAttributes);
if (Uhc == NULL) {
Status = EFI_OUT_OF_RESOURCES;
@ -2250,6 +2262,16 @@ FREE_UHC:
UhciFreeDev (Uhc);
CLOSE_PCIIO:
//
// Restore original PCI attributes
//
PciIo->Attributes (
PciIo,
EfiPciIoAttributeOperationSet,
OriginalPciAttributes,
NULL
);
gBS->CloseProtocol (
Controller,
&gEfiPciIoProtocolGuid,

1
MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
View File

@ -117,6 +117,7 @@ struct _USB_HC_DEV {
EFI_USB_HC_PROTOCOL UsbHc;
EFI_USB2_HC_PROTOCOL Usb2Hc;
EFI_PCI_IO_PROTOCOL *PciIo;
UINT64 OriginalPciAttributes;
//
// Schedule data structures

4
MdeModulePkg/Bus/Pci/UndiRuntimeDxe/E100b.h
View File

@ -640,6 +640,10 @@ typedef struct s_data_instance {
UINT64 Unique_ID;
EFI_PCI_IO_PROTOCOL *Io_Function;
//
// Original PCI attributes
//
UINT64 OriginalPciAttributes;
VOID (*Delay_30)(UINTN); // call back routine
VOID (*Virt2Phys_30)(UINT64 virtual_addr, UINT64 physical_ptr); // call back routine

51
MdeModulePkg/Bus/Pci/UndiRuntimeDxe/Init.c
View File

@ -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
@ -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
@ -511,15 +525,15 @@ Returns:
//
// 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;
@ -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,
@ -1007,11 +1042,11 @@ 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;