mirror of
https://github.com/acidanthera/audk.git
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Add support for BootOption with USB Class or USB WWID device path node.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11198 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xdu2
parent
84909ad446
commit
7389fdd0b8
@ -158,6 +158,421 @@ IsBootOptionValidNVVarialbe (
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return Valid;
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return Valid;
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}
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}
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/**
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Check whether a USB device match the specified USB Class device path. This
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function follows "Load Option Processing" behavior in UEFI specification.
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@param UsbIo USB I/O protocol associated with the USB device.
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@param UsbClass The USB Class device path to match.
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@retval TRUE The USB device match the USB Class device path.
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@retval FALSE The USB device does not match the USB Class device path.
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**/
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BOOLEAN
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BdsMatchUsbClass (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN USB_CLASS_DEVICE_PATH *UsbClass
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)
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{
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EFI_STATUS Status;
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EFI_USB_DEVICE_DESCRIPTOR DevDesc;
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EFI_USB_INTERFACE_DESCRIPTOR IfDesc;
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UINT8 DeviceClass;
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UINT8 DeviceSubClass;
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UINT8 DeviceProtocol;
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if ((DevicePathType (UsbClass) != MESSAGING_DEVICE_PATH) ||
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(DevicePathSubType (UsbClass) != MSG_USB_CLASS_DP)){
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return FALSE;
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}
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//
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// Check Vendor Id and Product Id.
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//
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Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
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if (EFI_ERROR (Status)) {
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return FALSE;
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}
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if ((UsbClass->VendorId != 0xffff) &&
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(UsbClass->VendorId != DevDesc.IdVendor)) {
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return FALSE;
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}
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if ((UsbClass->ProductId != 0xffff) &&
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(UsbClass->ProductId != DevDesc.IdProduct)) {
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return FALSE;
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}
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DeviceClass = DevDesc.DeviceClass;
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DeviceSubClass = DevDesc.DeviceSubClass;
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DeviceProtocol = DevDesc.DeviceProtocol;
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if (DeviceClass == 0) {
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//
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// If Class in Device Descriptor is set to 0, use the Class, SubClass and
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// Protocol in Interface Descriptor instead.
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//
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Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);
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if (EFI_ERROR (Status)) {
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return FALSE;
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}
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DeviceClass = IfDesc.InterfaceClass;
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DeviceSubClass = IfDesc.InterfaceSubClass;
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DeviceProtocol = IfDesc.InterfaceProtocol;
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}
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//
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// Check Class, SubClass and Protocol.
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//
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if ((UsbClass->DeviceClass != 0xff) &&
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(UsbClass->DeviceClass != DeviceClass)) {
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return FALSE;
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}
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if ((UsbClass->DeviceSubClass != 0xff) &&
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(UsbClass->DeviceSubClass != DeviceSubClass)) {
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return FALSE;
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}
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if ((UsbClass->DeviceProtocol != 0xff) &&
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(UsbClass->DeviceProtocol != DeviceProtocol)) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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Check whether a USB device match the specified USB WWID device path. This
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function follows "Load Option Processing" behavior in UEFI specification.
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@param UsbIo USB I/O protocol associated with the USB device.
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@param UsbWwid The USB WWID device path to match.
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@retval TRUE The USB device match the USB WWID device path.
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@retval FALSE The USB device does not match the USB WWID device path.
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**/
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BOOLEAN
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BdsMatchUsbWwid (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN USB_WWID_DEVICE_PATH *UsbWwid
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)
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{
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EFI_STATUS Status;
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EFI_USB_DEVICE_DESCRIPTOR DevDesc;
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EFI_USB_INTERFACE_DESCRIPTOR IfDesc;
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UINT16 *LangIdTable;
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UINT16 TableSize;
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UINT16 Index;
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CHAR16 *CompareStr;
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UINTN CompareLen;
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CHAR16 *SerialNumberStr;
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UINTN Length;
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if ((DevicePathType (UsbWwid) != MESSAGING_DEVICE_PATH) ||
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(DevicePathSubType (UsbWwid) != MSG_USB_WWID_DP )){
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return FALSE;
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}
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//
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// Check Vendor Id and Product Id.
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//
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Status = UsbIo->UsbGetDeviceDescriptor (UsbIo, &DevDesc);
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if (EFI_ERROR (Status)) {
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return FALSE;
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}
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if ((DevDesc.IdVendor != UsbWwid->VendorId) ||
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(DevDesc.IdProduct != UsbWwid->ProductId)) {
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return FALSE;
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}
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//
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// Check Interface Number.
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//
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Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &IfDesc);
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if (EFI_ERROR (Status)) {
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return FALSE;
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}
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if (IfDesc.InterfaceNumber != UsbWwid->InterfaceNumber) {
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return FALSE;
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}
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//
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// Check Serial Number.
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//
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if (DevDesc.StrSerialNumber == 0) {
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return FALSE;
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}
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//
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// Get all supported languages.
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//
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TableSize = 0;
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LangIdTable = NULL;
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Status = UsbIo->UsbGetSupportedLanguages (UsbIo, &LangIdTable, &TableSize);
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if (EFI_ERROR (Status) || (TableSize == 0) || (LangIdTable == NULL)) {
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return FALSE;
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}
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//
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// Serial number in USB WWID device path is the last 64-or-less UTF-16 characters.
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//
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CompareStr = (CHAR16 *) (UINTN) (UsbWwid + 1);
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CompareLen = (DevicePathNodeLength (UsbWwid) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16);
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if (CompareStr[CompareLen - 1] == L'\0') {
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CompareLen--;
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}
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//
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// Compare serial number in each supported language.
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//
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for (Index = 0; Index < TableSize / sizeof (UINT16); Index++) {
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SerialNumberStr = NULL;
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Status = UsbIo->UsbGetStringDescriptor (
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UsbIo,
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LangIdTable[Index],
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DevDesc.StrSerialNumber,
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&SerialNumberStr
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);
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if (EFI_ERROR (Status) || (SerialNumberStr == NULL)) {
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continue;
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}
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Length = StrLen (SerialNumberStr);
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if ((Length >= CompareLen) &&
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(CompareMem (SerialNumberStr + Length - CompareLen, CompareStr, CompareLen * sizeof (CHAR16)) == 0)) {
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FreePool (SerialNumberStr);
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return TRUE;
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}
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FreePool (SerialNumberStr);
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}
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return FALSE;
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}
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/**
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Find a USB device which match the specified short-form device path start with
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USB Class or USB WWID device path. If ParentDevicePath is NULL, this function
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will search in all USB devices of the platform. If ParentDevicePath is not NULL,
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this function will only search in its child devices.
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@param ParentDevicePath The device path of the parent.
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@param ShortFormDevicePath The USB Class or USB WWID device path to match.
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@return The handle of matched USB device, or NULL if not found.
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**/
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EFI_HANDLE *
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BdsFindUsbDevice (
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IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
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IN EFI_DEVICE_PATH_PROTOCOL *ShortFormDevicePath
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)
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{
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EFI_STATUS Status;
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UINTN UsbIoHandleCount;
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EFI_HANDLE *UsbIoHandleBuffer;
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EFI_DEVICE_PATH_PROTOCOL *UsbIoDevicePath;
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EFI_USB_IO_PROTOCOL *UsbIo;
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UINTN Index;
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UINTN ParentSize;
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UINTN Size;
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EFI_HANDLE ReturnHandle;
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//
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// Get all UsbIo Handles.
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//
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UsbIoHandleCount = 0;
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UsbIoHandleBuffer = NULL;
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Status = gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiUsbIoProtocolGuid,
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NULL,
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&UsbIoHandleCount,
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&UsbIoHandleBuffer
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);
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if (EFI_ERROR (Status) || (UsbIoHandleCount == 0) || (UsbIoHandleBuffer == NULL)) {
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return NULL;
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}
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ReturnHandle = NULL;
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ParentSize = (ParentDevicePath == NULL) ? 0 : GetDevicePathSize (ParentDevicePath);
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for (Index = 0; Index < UsbIoHandleCount; Index++) {
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//
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// Get the Usb IO interface.
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//
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Status = gBS->HandleProtocol(
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UsbIoHandleBuffer[Index],
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&gEfiUsbIoProtocolGuid,
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(VOID **) &UsbIo
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);
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if (EFI_ERROR (Status)) {
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continue;
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}
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if (ParentDevicePath != NULL) {
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//
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// Compare starting part of UsbIoHandle's device path with ParentDevicePath.
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//
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UsbIoDevicePath = DevicePathFromHandle (UsbIoHandleBuffer[Index]);
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ASSERT (UsbIoDevicePath != NULL);
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Size = GetDevicePathSize (UsbIoDevicePath);
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if ((Size < ParentSize) ||
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(CompareMem (UsbIoDevicePath, ParentDevicePath, ParentSize - END_DEVICE_PATH_LENGTH) != 0)) {
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continue;
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}
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}
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if (BdsMatchUsbClass (UsbIo, (USB_CLASS_DEVICE_PATH *) ShortFormDevicePath) ||
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BdsMatchUsbWwid (UsbIo, (USB_WWID_DEVICE_PATH *) ShortFormDevicePath)) {
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ReturnHandle = UsbIoHandleBuffer[Index];
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break;
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}
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}
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FreePool (UsbIoHandleBuffer);
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return ReturnHandle;
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}
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/**
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Expand USB Class or USB WWID device path node to be full device path of a USB
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device in platform.
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This function support following 4 cases:
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1) Boot Option device path starts with a USB Class or USB WWID device path,
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and there is no Media FilePath device path in the end.
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In this case, it will follow Removable Media Boot Behavior.
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2) Boot Option device path starts with a USB Class or USB WWID device path,
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and ended with Media FilePath device path.
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3) Boot Option device path starts with a full device path to a USB Host Controller,
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contains a USB Class or USB WWID device path node, while not ended with Media
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FilePath device path. In this case, it will follow Removable Media Boot Behavior.
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4) Boot Option device path starts with a full device path to a USB Host Controller,
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contains a USB Class or USB WWID device path node, and ended with Media
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FilePath device path.
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@param DevicePath The Boot Option device path.
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@return The full device path after expanding, or NULL if there is no USB Class
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or USB WWID device path found, or USB Class or USB WWID device path
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was found but failed to expand it.
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**/
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EFI_DEVICE_PATH_PROTOCOL *
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BdsExpandUsbShortFormDevicePath (
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IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
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)
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{
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EFI_DEVICE_PATH_PROTOCOL *FullDevicePath;
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EFI_HANDLE *UsbIoHandle;
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EFI_DEVICE_PATH_PROTOCOL *UsbIoDevicePath;
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EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
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EFI_DEVICE_PATH_PROTOCOL *NextDevicePath;
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EFI_DEVICE_PATH_PROTOCOL *ShortFormDevicePath;
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//
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// Search for USB Class or USB WWID device path node.
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//
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ShortFormDevicePath = NULL;
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TempDevicePath = DevicePath;
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while (!IsDevicePathEnd (TempDevicePath)) {
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if ((DevicePathType (TempDevicePath) == MESSAGING_DEVICE_PATH) &&
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((DevicePathSubType (TempDevicePath) == MSG_USB_CLASS_DP) ||
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(DevicePathSubType (TempDevicePath) == MSG_USB_WWID_DP))) {
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ShortFormDevicePath = TempDevicePath;
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break;
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}
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TempDevicePath = NextDevicePathNode (TempDevicePath);
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}
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if (ShortFormDevicePath == NULL) {
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//
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// No USB Class or USB WWID device path node found, do nothing.
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//
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return NULL;
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}
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if (ShortFormDevicePath == DevicePath) {
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//
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// Boot Option device path starts with USB Class or USB WWID device path.
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//
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UsbIoHandle = BdsFindUsbDevice (NULL, ShortFormDevicePath);
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if (UsbIoHandle == NULL) {
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//
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// Failed to find a match in existing devices, connect the short form USB
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// device path and try again.
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//
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BdsLibConnectUsbDevByShortFormDP (0xff, ShortFormDevicePath);
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UsbIoHandle = BdsFindUsbDevice (NULL, ShortFormDevicePath);
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}
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} else {
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//
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// Boot Option device path contains USB Class or USB WWID device path node.
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//
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//
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// Prepare the parent device path for search.
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//
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TempDevicePath = DuplicateDevicePath (DevicePath);
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ASSERT (TempDevicePath != NULL);
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SetDevicePathEndNode (((UINT8 *) TempDevicePath) + ((UINTN) ShortFormDevicePath - (UINTN) DevicePath));
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//
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// The USB Host Controller device path is in already in Boot Option device path
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// and USB Bus driver already support RemainingDevicePath starts with USB
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// Class or USB WWID device path, so just search in existing USB devices and
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// doesn't perform ConnectController here.
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//
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UsbIoHandle = BdsFindUsbDevice (TempDevicePath, ShortFormDevicePath);
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FreePool (TempDevicePath);
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}
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if (UsbIoHandle == NULL) {
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//
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// Failed to expand USB Class or USB WWID device path.
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//
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return NULL;
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}
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//
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// Get device path of the matched USB device.
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//
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UsbIoDevicePath = DevicePathFromHandle (UsbIoHandle);
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ASSERT (UsbIoDevicePath != NULL);
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FullDevicePath = NULL;
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//
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// Advance to next device path node to skip the USB Class or USB WWID device path.
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//
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NextDevicePath = NextDevicePathNode (ShortFormDevicePath);
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if (!IsDevicePathEnd (NextDevicePath)) {
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//
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// There is remaining device path after USB Class or USB WWID device path
|
||||||
|
// node, append it to the USB device path.
|
||||||
|
//
|
||||||
|
FullDevicePath = AppendDevicePath (UsbIoDevicePath, NextDevicePath);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Connect the full device path, so that Simple File System protocol
|
||||||
|
// could be installed for this USB device.
|
||||||
|
//
|
||||||
|
BdsLibConnectDevicePath (FullDevicePath);
|
||||||
|
} else {
|
||||||
|
//
|
||||||
|
// USB Class or WWID device path is in the end.
|
||||||
|
//
|
||||||
|
FullDevicePath = UsbIoDevicePath;
|
||||||
|
}
|
||||||
|
|
||||||
|
return FullDevicePath;
|
||||||
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
Process the boot option follow the UEFI specification and
|
Process the boot option follow the UEFI specification and
|
||||||
special treat the legacy boot option with BBS_DEVICE_PATH.
|
special treat the legacy boot option with BBS_DEVICE_PATH.
|
||||||
@ -222,6 +637,15 @@ BdsLibBootViaBootOption (
|
|||||||
DevicePath = WorkingDevicePath;
|
DevicePath = WorkingDevicePath;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Expand USB Class or USB WWID drive path node to full device path.
|
||||||
|
//
|
||||||
|
WorkingDevicePath = BdsExpandUsbShortFormDevicePath (DevicePath);
|
||||||
|
if (WorkingDevicePath != NULL) {
|
||||||
|
DevicePath = WorkingDevicePath;
|
||||||
|
}
|
||||||
|
|
||||||
//
|
//
|
||||||
// Signal the EVT_SIGNAL_READY_TO_BOOT event
|
// Signal the EVT_SIGNAL_READY_TO_BOOT event
|
||||||
//
|
//
|
||||||
@ -1882,8 +2306,19 @@ BdsLibIsValidEFIBootOptDevicePathExt (
|
|||||||
// and assume it is ready to boot now
|
// and assume it is ready to boot now
|
||||||
//
|
//
|
||||||
while (!IsDevicePathEnd (TempDevicePath)) {
|
while (!IsDevicePathEnd (TempDevicePath)) {
|
||||||
LastDeviceNode = TempDevicePath;
|
//
|
||||||
TempDevicePath = NextDevicePathNode (TempDevicePath);
|
// If there is USB Class or USB WWID device path node, treat it as valid EFI
|
||||||
|
// Boot Option. BdsExpandUsbShortFormDevicePath () will be used to expand it
|
||||||
|
// to full device path.
|
||||||
|
//
|
||||||
|
if ((DevicePathType (TempDevicePath) == MESSAGING_DEVICE_PATH) &&
|
||||||
|
((DevicePathSubType (TempDevicePath) == MSG_USB_CLASS_DP) ||
|
||||||
|
(DevicePathSubType (TempDevicePath) == MSG_USB_WWID_DP))) {
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
LastDeviceNode = TempDevicePath;
|
||||||
|
TempDevicePath = NextDevicePathNode (TempDevicePath);
|
||||||
}
|
}
|
||||||
if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
|
if ((DevicePathType (LastDeviceNode) == MEDIA_DEVICE_PATH) &&
|
||||||
(DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {
|
(DevicePathSubType (LastDeviceNode) == MEDIA_FILEPATH_DP)) {
|
||||||
|
|||||||
@ -111,6 +111,7 @@
|
|||||||
gEfiOEMBadgingProtocolGuid # PROTOCOL CONSUMES
|
gEfiOEMBadgingProtocolGuid # PROTOCOL CONSUMES
|
||||||
gEfiHiiFontProtocolGuid # PROTOCOL CONSUMES
|
gEfiHiiFontProtocolGuid # PROTOCOL CONSUMES
|
||||||
gEfiUserManagerProtocolGuid # PROTOCOL CONSUMES
|
gEfiUserManagerProtocolGuid # PROTOCOL CONSUMES
|
||||||
|
gEfiUsbIoProtocolGuid # PROTOCOL SOMETIMES_CONSUMES
|
||||||
|
|
||||||
[FeaturePcd]
|
[FeaturePcd]
|
||||||
gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
|
gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
|
||||||
|
|||||||
@ -40,6 +40,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|||||||
#include <Protocol/UgaDraw.h>
|
#include <Protocol/UgaDraw.h>
|
||||||
#include <Protocol/HiiFont.h>
|
#include <Protocol/HiiFont.h>
|
||||||
#include <Protocol/HiiImage.h>
|
#include <Protocol/HiiImage.h>
|
||||||
|
#include <Protocol/UsbIo.h>
|
||||||
|
|
||||||
#include <Guid/MemoryTypeInformation.h>
|
#include <Guid/MemoryTypeInformation.h>
|
||||||
#include <Guid/FileInfo.h>
|
#include <Guid/FileInfo.h>
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user