#include "XenHypercall.h"\r
#include "GrantTable.h"\r
#include "XenStore.h"\r
+#include "XenBus.h"\r
\r
\r
///\r
EFI_PCI_IO_PROTOCOL *PciIo;\r
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *BarDesc;\r
UINT64 MmioAddr;\r
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
\r
Status = gBS->OpenProtocol (\r
ControllerHandle,\r
return Status;\r
}\r
\r
+ Status = gBS->OpenProtocol (\r
+ ControllerHandle,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **) &DevicePath,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle,\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto ErrorOpenningProtocol;\r
+ }\r
+\r
Dev = AllocateZeroPool (sizeof (*Dev));\r
Dev->Signature = XENBUS_DEVICE_SIGNATURE;\r
Dev->This = This;\r
Dev->ControllerHandle = ControllerHandle;\r
Dev->PciIo = PciIo;\r
+ Dev->DevicePath = DevicePath;\r
+ InitializeListHead (&Dev->ChildList);\r
\r
EfiAcquireLock (&mMyDeviceLock);\r
if (mMyDevice != NULL) {\r
Status = XenStoreInit (Dev);\r
ASSERT_EFI_ERROR (Status);\r
\r
+ XenBusEnumerateBus (Dev);\r
+\r
Status = gBS->CreateEvent (EVT_SIGNAL_EXIT_BOOT_SERVICES, TPL_CALLBACK,\r
NotifyExitBoot,\r
(VOID*) Dev,\r
\r
ErrorAllocated:\r
FreePool (Dev);\r
+ gBS->CloseProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid,\r
+ This->DriverBindingHandle, ControllerHandle);\r
+ErrorOpenningProtocol:\r
gBS->CloseProtocol (ControllerHandle, &gEfiPciIoProtocolGuid,\r
This->DriverBindingHandle, ControllerHandle);\r
return Status;\r
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
)\r
{\r
+ UINTN Index;\r
+ XENBUS_PROTOCOL *XenBusIo;\r
+ XENBUS_PRIVATE_DATA *ChildData;\r
+ EFI_STATUS Status;\r
XENBUS_DEVICE *Dev = mMyDevice;\r
\r
+ for (Index = 0; Index < NumberOfChildren; Index++) {\r
+ Status = gBS->OpenProtocol (\r
+ ChildHandleBuffer[Index],\r
+ &gXenBusProtocolGuid,\r
+ (VOID **) &XenBusIo,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XenBusDxe: get children protocol failed: %r\n", Status));\r
+ continue;\r
+ }\r
+ ChildData = XENBUS_PRIVATE_DATA_FROM_THIS (XenBusIo);\r
+ Status = gBS->DisconnectController (ChildData->Handle, NULL, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XenBusDxe: error disconnecting child: %r\n",\r
+ Status));\r
+ continue;\r
+ }\r
+\r
+ Status = gBS->UninstallMultipleProtocolInterfaces (\r
+ ChildData->Handle,\r
+ &gEfiDevicePathProtocolGuid, ChildData->DevicePath,\r
+ &gXenBusProtocolGuid, &ChildData->XenBusIo,\r
+ NULL);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ FreePool ((VOID*)ChildData->XenBusIo.Type);\r
+ FreePool ((VOID*)ChildData->XenBusIo.Node);\r
+ FreePool ((VOID*)ChildData->XenBusIo.Backend);\r
+ FreePool (ChildData->DevicePath);\r
+ RemoveEntryList (&ChildData->Link);\r
+ FreePool (ChildData);\r
+ }\r
+ if (NumberOfChildren > 0) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
gBS->CloseEvent (Dev->ExitBootEvent);\r
XenStoreDeinit (Dev);\r
XenGrantTableDeinit (Dev);\r
\r
+ gBS->CloseProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid,\r
+ This->DriverBindingHandle, ControllerHandle);\r
gBS->CloseProtocol (ControllerHandle, &gEfiPciIoProtocolGuid,\r
This->DriverBindingHandle, ControllerHandle);\r
\r