void CapabilityResponseParser::HandleResponse(ImapStatusCode status, const std::string& line)
{
if(boost::istarts_with(line, "[CAPABILITY")) {
size_t end = line.find(']');
ParseCapabilities(line.substr(1, end - 1));
}
}
bool CapabilityResponseParser::HandleUntaggedResponse(const std::string& line)
{
if(boost::istarts_with(line, "CAPABILITY")) {
ParseCapabilities(line);
return true;
}
return false;
}
STATIC
EFI_STATUS
EFIAPI
Virtio10BindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE DeviceHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
VIRTIO_1_0_DEV *Device;
EFI_STATUS Status;
PCI_TYPE00 Pci;
UINT64 SetAttributes;
Device = AllocateZeroPool (sizeof *Device);
if (Device == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Device->Signature = VIRTIO_1_0_SIGNATURE;
CopyMem (&Device->VirtIo, &mVirtIoTemplate, sizeof mVirtIoTemplate);
Status = gBS->OpenProtocol (DeviceHandle, &gEfiPciIoProtocolGuid,
(VOID **)&Device->PciIo, This->DriverBindingHandle,
DeviceHandle, EFI_OPEN_PROTOCOL_BY_DRIVER);
if (EFI_ERROR (Status)) {
goto FreeDevice;
}
Status = Device->PciIo->Pci.Read (Device->PciIo, EfiPciIoWidthUint32, 0,
sizeof Pci / sizeof (UINT32), &Pci);
if (EFI_ERROR (Status)) {
goto ClosePciIo;
}
Device->VirtIo.SubSystemDeviceId = Pci.Hdr.DeviceId - 0x1040;
Status = ParseCapabilities (Device, Pci.Device.CapabilityPtr);
if (EFI_ERROR (Status)) {
goto ClosePciIo;
}
Status = Device->PciIo->Attributes (Device->PciIo,
EfiPciIoAttributeOperationGet, 0,
&Device->OriginalPciAttributes);
if (EFI_ERROR (Status)) {
goto ClosePciIo;
}
SetAttributes = 0;
UpdateAttributes (&Device->CommonConfig, &SetAttributes);
UpdateAttributes (&Device->NotifyConfig, &SetAttributes);
UpdateAttributes (&Device->SpecificConfig, &SetAttributes);
Status = Device->PciIo->Attributes (Device->PciIo,
EfiPciIoAttributeOperationEnable, SetAttributes,
NULL);
if (EFI_ERROR (Status)) {
goto ClosePciIo;
}
Status = gBS->InstallProtocolInterface (&DeviceHandle,
&gVirtioDeviceProtocolGuid, EFI_NATIVE_INTERFACE,
&Device->VirtIo);
if (EFI_ERROR (Status)) {
goto RestorePciAttributes;
}
return EFI_SUCCESS;
RestorePciAttributes:
Device->PciIo->Attributes (Device->PciIo, EfiPciIoAttributeOperationSet,
Device->OriginalPciAttributes, NULL);
ClosePciIo:
gBS->CloseProtocol (DeviceHandle, &gEfiPciIoProtocolGuid,
This->DriverBindingHandle, DeviceHandle);
FreeDevice:
FreePool (Device);
return Status;
}
