diff --git a/lib/libefivar/efivar-dp-format.c b/lib/libefivar/efivar-dp-format.c index 3fa2833a7e7a..f2dcf1b91c01 100644 --- a/lib/libefivar/efivar-dp-format.c +++ b/lib/libefivar/efivar-dp-format.c @@ -1,2637 +1,2636 @@ /*- * Copyright (c) 2017 Netflix, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Routines to format EFI_DEVICE_PATHs from the UEFI standard. Much of * this file is taken from EDK2 and rototilled. */ -#include #include #include #include #include "efichar.h" #include "efi-osdep.h" #include "efivar-dp.h" #include "uefi-dplib.h" /* * This is a lie, but since we have converted everything * from wide to narrow, it's the right lie now. */ #define UnicodeSPrint snprintf /* * Taken from MdePkg/Library/UefiDevicePathLib/DevicePathToText.c * heavily modified: * wide strings converted to narrow * Low level printing code redone for narrow strings * Routines made static * %s -> %S in spots (where it is still UCS-2) * %a (ascii) -> %s * %g -> %36s hack to print guid (see above for caveat) * some tidying up of const and deconsting. It's evil, but const * poisoning the whole file was too much. */ /** @file DevicePathToText protocol as defined in the UEFI 2.0 specification. (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ // #include "UefiDevicePathLib.h" /** Concatenates a formatted unicode string to allocated pool. The caller must free the resulting buffer. @param Str Tracks the allocated pool, size in use, and amount of pool allocated. @param Fmt The format string @param ... Variable arguments based on the format string. @return Allocated buffer with the formatted string printed in it. The caller must free the allocated buffer. The buffer allocation is not packed. **/ static char * EFIAPI UefiDevicePathLibCatPrint ( IN OUT POOL_PRINT *Str, IN const char *Fmt, ... ) { UINTN Count; VA_LIST Args; VA_START (Args, Fmt); Count = vsnprintf (NULL, 0, Fmt, Args); VA_END (Args); if ((Str->Count + (Count + 1)) > Str->Capacity) { Str->Capacity = (Str->Count + (Count + 1) * 2); Str->Str = reallocf ( Str->Str, Str->Capacity ); ASSERT (Str->Str != NULL); } VA_START (Args, Fmt); vsnprintf (Str->Str + Str->Count, Str->Capacity - Str->Count, Fmt, Args); Str->Count += Count; VA_END (Args); return Str->Str; } /** Converts a PCI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextPci ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { PCI_DEVICE_PATH *Pci; Pci = DevPath; UefiDevicePathLibCatPrint (Str, "Pci(0x%x,0x%x)", Pci->Device, Pci->Function); } /** Converts a PC Card device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextPccard ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { PCCARD_DEVICE_PATH *Pccard; Pccard = DevPath; UefiDevicePathLibCatPrint (Str, "PcCard(0x%x)", Pccard->FunctionNumber); } /** Converts a Memory Map device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextMemMap ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEMMAP_DEVICE_PATH *MemMap; MemMap = DevPath; UefiDevicePathLibCatPrint ( Str, "MemoryMapped(0x%x,0x%lx,0x%lx)", MemMap->MemoryType, MemMap->StartingAddress, MemMap->EndingAddress ); } /** Converts a Vendor device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextVendor ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { VENDOR_DEVICE_PATH *Vendor; const char *Type; UINTN Index; UINTN DataLength; UINT32 FlowControlMap; UINT16 Info; Vendor = (VENDOR_DEVICE_PATH *)DevPath; switch (DevicePathType (&Vendor->Header)) { case HARDWARE_DEVICE_PATH: Type = "Hw"; break; case MESSAGING_DEVICE_PATH: Type = "Msg"; if (AllowShortcuts) { if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) { UefiDevicePathLibCatPrint (Str, "VenPcAnsi()"); return; } else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) { UefiDevicePathLibCatPrint (Str, "VenVt100()"); return; } else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) { UefiDevicePathLibCatPrint (Str, "VenVt100Plus()"); return; } else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) { UefiDevicePathLibCatPrint (Str, "VenUtf8()"); return; } else if (CompareGuid (&Vendor->Guid, &gEfiUartDevicePathGuid)) { FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *)Vendor)->FlowControlMap); switch (FlowControlMap & 0x00000003) { case 0: UefiDevicePathLibCatPrint (Str, "UartFlowCtrl(%s)", "None"); break; case 1: UefiDevicePathLibCatPrint (Str, "UartFlowCtrl(%s)", "Hardware"); break; case 2: UefiDevicePathLibCatPrint (Str, "UartFlowCtrl(%s)", "XonXoff"); break; default: break; } return; } else if (CompareGuid (&Vendor->Guid, &gEfiSasDevicePathGuid)) { UefiDevicePathLibCatPrint ( Str, "SAS(0x%lx,0x%lx,0x%x,", ((SAS_DEVICE_PATH *)Vendor)->SasAddress, ((SAS_DEVICE_PATH *)Vendor)->Lun, ((SAS_DEVICE_PATH *)Vendor)->RelativeTargetPort ); Info = (((SAS_DEVICE_PATH *)Vendor)->DeviceTopology); if (((Info & 0x0f) == 0) && ((Info & BIT7) == 0)) { UefiDevicePathLibCatPrint (Str, "NoTopology,0,0,0,"); } else if (((Info & 0x0f) <= 2) && ((Info & BIT7) == 0)) { UefiDevicePathLibCatPrint ( Str, "%s,%s,%s,", ((Info & BIT4) != 0) ? "SATA" : "SAS", ((Info & BIT5) != 0) ? "External" : "Internal", ((Info & BIT6) != 0) ? "Expanded" : "Direct" ); if ((Info & 0x0f) == 1) { UefiDevicePathLibCatPrint (Str, "0,"); } else { // // Value 0x0 thru 0xFF -> Drive 1 thru Drive 256 // UefiDevicePathLibCatPrint (Str, "0x%x,", ((Info >> 8) & 0xff) + 1); } } else { UefiDevicePathLibCatPrint (Str, "0x%x,0,0,0,", Info); } UefiDevicePathLibCatPrint (Str, "0x%x)", ((SAS_DEVICE_PATH *)Vendor)->Reserved); return; } else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) { UefiDevicePathLibCatPrint (Str, "DebugPort()"); return; } } break; case MEDIA_DEVICE_PATH: Type = "Media"; break; default: Type = "?"; break; } DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH); UefiDevicePathLibCatPrint (Str, "Ven%s(%36s", Type, G(&Vendor->Guid)); if (DataLength != 0) { UefiDevicePathLibCatPrint (Str, ","); for (Index = 0; Index < DataLength; Index++) { UefiDevicePathLibCatPrint (Str, "%02x", ((VENDOR_DEVICE_PATH_WITH_DATA *)Vendor)->VendorDefinedData[Index]); } } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts a Controller device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextController ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { CONTROLLER_DEVICE_PATH *Controller; Controller = DevPath; UefiDevicePathLibCatPrint ( Str, "Ctrl(0x%x)", Controller->ControllerNumber ); } /** Converts a BMC device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextBmc ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { BMC_DEVICE_PATH *Bmc; Bmc = DevPath; UefiDevicePathLibCatPrint ( Str, "BMC(0x%x,0x%lx)", Bmc->InterfaceType, ReadUnaligned64 ((&Bmc->BaseAddress)) ); } /** Converts a ACPI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextAcpi ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { ACPI_HID_DEVICE_PATH *Acpi; Acpi = DevPath; if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) { switch (EISA_ID_TO_NUM (Acpi->HID)) { case 0x0a03: UefiDevicePathLibCatPrint (Str, "PciRoot(0x%x)", Acpi->UID); break; case 0x0a08: UefiDevicePathLibCatPrint (Str, "PcieRoot(0x%x)", Acpi->UID); break; case 0x0604: UefiDevicePathLibCatPrint (Str, "Floppy(0x%x)", Acpi->UID); break; case 0x0301: UefiDevicePathLibCatPrint (Str, "Keyboard(0x%x)", Acpi->UID); break; case 0x0501: UefiDevicePathLibCatPrint (Str, "Serial(0x%x)", Acpi->UID); break; case 0x0401: UefiDevicePathLibCatPrint (Str, "ParallelPort(0x%x)", Acpi->UID); break; default: UefiDevicePathLibCatPrint (Str, "Acpi(PNP%04x,0x%x)", EISA_ID_TO_NUM (Acpi->HID), Acpi->UID); break; } } else { UefiDevicePathLibCatPrint (Str, "Acpi(0x%08x,0x%x)", Acpi->HID, Acpi->UID); } } /** Converts a ACPI extended HID device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextAcpiEx ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx; char HIDText[11]; char CIDText[11]; UINTN CurrentLength; CHAR8 *CurrentPos; UINTN NextStringOffset; CHAR8 *Strings[3]; UINT8 HidStrIndex; UINT8 UidStrIndex; UINT8 CidStrIndex; UINT8 StrIndex; HidStrIndex = 0; UidStrIndex = 1; CidStrIndex = 2; AcpiEx = DevPath; Strings[HidStrIndex] = NULL; Strings[UidStrIndex] = NULL; Strings[CidStrIndex] = NULL; CurrentLength = sizeof (ACPI_EXTENDED_HID_DEVICE_PATH); CurrentPos = (CHAR8 *)(((UINT8 *)AcpiEx) + sizeof (ACPI_EXTENDED_HID_DEVICE_PATH)); StrIndex = 0; while (CurrentLength < AcpiEx->Header.Length[0] && StrIndex < ARRAY_SIZE (Strings)) { Strings[StrIndex] = CurrentPos; NextStringOffset = AsciiStrLen (CurrentPos) + 1; CurrentLength += NextStringOffset; CurrentPos += NextStringOffset; StrIndex++; } if (DisplayOnly) { if ((EISA_ID_TO_NUM (AcpiEx->HID) == 0x0A03) || ((EISA_ID_TO_NUM (AcpiEx->CID) == 0x0A03) && (EISA_ID_TO_NUM (AcpiEx->HID) != 0x0A08))) { if (Strings[UidStrIndex] != NULL) { UefiDevicePathLibCatPrint (Str, "PciRoot(%s)", Strings[UidStrIndex]); } else { UefiDevicePathLibCatPrint (Str, "PciRoot(0x%x)", AcpiEx->UID); } return; } if ((EISA_ID_TO_NUM (AcpiEx->HID) == 0x0A08) || (EISA_ID_TO_NUM (AcpiEx->CID) == 0x0A08)) { if (Strings[UidStrIndex] != NULL) { UefiDevicePathLibCatPrint (Str, "PcieRoot(%s)", Strings[UidStrIndex]); } else { UefiDevicePathLibCatPrint (Str, "PcieRoot(0x%x)", AcpiEx->UID); } return; } } // // Converts EISA identification to string. // UnicodeSPrint ( HIDText, sizeof (HIDText), "%c%c%c%04X", ((AcpiEx->HID >> 10) & 0x1f) + 'A' - 1, ((AcpiEx->HID >> 5) & 0x1f) + 'A' - 1, ((AcpiEx->HID >> 0) & 0x1f) + 'A' - 1, (AcpiEx->HID >> 16) & 0xFFFF ); UnicodeSPrint ( CIDText, sizeof (CIDText), "%c%c%c%04X", ((AcpiEx->CID >> 10) & 0x1f) + 'A' - 1, ((AcpiEx->CID >> 5) & 0x1f) + 'A' - 1, ((AcpiEx->CID >> 0) & 0x1f) + 'A' - 1, (AcpiEx->CID >> 16) & 0xFFFF ); if (((Strings[HidStrIndex] != NULL) && (*Strings[HidStrIndex] == '\0')) && ((Strings[CidStrIndex] != NULL) && (*Strings[CidStrIndex] == '\0')) && ((Strings[UidStrIndex] != NULL) && (*Strings[UidStrIndex] != '\0'))) { // // use AcpiExp() // if (AcpiEx->CID == 0) { UefiDevicePathLibCatPrint ( Str, "AcpiExp(%s,0,%s)", HIDText, Strings[UidStrIndex] ); } else { UefiDevicePathLibCatPrint ( Str, "AcpiExp(%s,%s,%s)", HIDText, CIDText, Strings[UidStrIndex] ); } } else { if (DisplayOnly) { if (Strings[HidStrIndex] != NULL) { UefiDevicePathLibCatPrint (Str, "AcpiEx(%s,", Strings[HidStrIndex]); } else { UefiDevicePathLibCatPrint (Str, "AcpiEx(%s,", HIDText); } if (Strings[CidStrIndex] != NULL) { UefiDevicePathLibCatPrint (Str, "%s,", Strings[CidStrIndex]); } else { UefiDevicePathLibCatPrint (Str, "%s,", CIDText); } if (Strings[UidStrIndex] != NULL) { UefiDevicePathLibCatPrint (Str, "%s)", Strings[UidStrIndex]); } else { UefiDevicePathLibCatPrint (Str, "0x%x)", AcpiEx->UID); } } else { UefiDevicePathLibCatPrint ( Str, "AcpiEx(%s,%s,0x%x,%s,%s,%s)", HIDText, CIDText, AcpiEx->UID, Strings[HidStrIndex] != NULL ? Strings[HidStrIndex] : '\0', Strings[CidStrIndex] != NULL ? Strings[CidStrIndex] : '\0', Strings[UidStrIndex] != NULL ? Strings[UidStrIndex] : '\0' ); } } } /** Converts a ACPI address device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextAcpiAdr ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { ACPI_ADR_DEVICE_PATH *AcpiAdr; UINT32 *Addr; UINT16 Index; UINT16 Length; UINT16 AdditionalAdrCount; AcpiAdr = DevPath; Length = (UINT16)DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr); AdditionalAdrCount = (UINT16)((Length - 8) / 4); UefiDevicePathLibCatPrint (Str, "AcpiAdr(0x%x", AcpiAdr->ADR); Addr = &AcpiAdr->ADR + 1; for (Index = 0; Index < AdditionalAdrCount; Index++) { UefiDevicePathLibCatPrint (Str, ",0x%x", Addr[Index]); } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts a ATAPI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextAtapi ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { ATAPI_DEVICE_PATH *Atapi; Atapi = DevPath; if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, "Ata(0x%x)", Atapi->Lun); } else { UefiDevicePathLibCatPrint ( Str, "Ata(%s,%s,0x%x)", (Atapi->PrimarySecondary == 1) ? "Secondary" : "Primary", (Atapi->SlaveMaster == 1) ? "Slave" : "Master", Atapi->Lun ); } } /** Converts a SCSI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextScsi ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { SCSI_DEVICE_PATH *Scsi; Scsi = DevPath; UefiDevicePathLibCatPrint (Str, "Scsi(0x%x,0x%x)", Scsi->Pun, Scsi->Lun); } /** Converts a Fibre device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextFibre ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { FIBRECHANNEL_DEVICE_PATH *Fibre; Fibre = DevPath; UefiDevicePathLibCatPrint (Str, "Fibre(0x%lx,0x%lx)", Fibre->WWN, Fibre->Lun); } /** Converts a FibreEx device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextFibreEx ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { FIBRECHANNELEX_DEVICE_PATH *FibreEx; UINTN Index; FibreEx = DevPath; UefiDevicePathLibCatPrint (Str, "FibreEx(0x"); for (Index = 0; Index < sizeof (FibreEx->WWN) / sizeof (FibreEx->WWN[0]); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", FibreEx->WWN[Index]); } UefiDevicePathLibCatPrint (Str, ",0x"); for (Index = 0; Index < sizeof (FibreEx->Lun) / sizeof (FibreEx->Lun[0]); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", FibreEx->Lun[Index]); } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts a Sas Ex device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextSasEx ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { SASEX_DEVICE_PATH *SasEx; UINTN Index; SasEx = DevPath; UefiDevicePathLibCatPrint (Str, "SasEx(0x"); for (Index = 0; Index < sizeof (SasEx->SasAddress) / sizeof (SasEx->SasAddress[0]); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", SasEx->SasAddress[Index]); } UefiDevicePathLibCatPrint (Str, ",0x"); for (Index = 0; Index < sizeof (SasEx->Lun) / sizeof (SasEx->Lun[0]); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", SasEx->Lun[Index]); } UefiDevicePathLibCatPrint (Str, ",0x%x,", SasEx->RelativeTargetPort); if (((SasEx->DeviceTopology & 0x0f) == 0) && ((SasEx->DeviceTopology & BIT7) == 0)) { UefiDevicePathLibCatPrint (Str, "NoTopology,0,0,0"); } else if (((SasEx->DeviceTopology & 0x0f) <= 2) && ((SasEx->DeviceTopology & BIT7) == 0)) { UefiDevicePathLibCatPrint ( Str, "%s,%s,%s,", ((SasEx->DeviceTopology & BIT4) != 0) ? "SATA" : "SAS", ((SasEx->DeviceTopology & BIT5) != 0) ? "External" : "Internal", ((SasEx->DeviceTopology & BIT6) != 0) ? "Expanded" : "Direct" ); if ((SasEx->DeviceTopology & 0x0f) == 1) { UefiDevicePathLibCatPrint (Str, "0"); } else { // // Value 0x0 thru 0xFF -> Drive 1 thru Drive 256 // UefiDevicePathLibCatPrint (Str, "0x%x", ((SasEx->DeviceTopology >> 8) & 0xff) + 1); } } else { UefiDevicePathLibCatPrint (Str, "0x%x,0,0,0", SasEx->DeviceTopology); } UefiDevicePathLibCatPrint (Str, ")"); return; } /** Converts a NVM Express Namespace device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextNVMe ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { NVME_NAMESPACE_DEVICE_PATH *Nvme; UINT8 *Uuid; Nvme = DevPath; Uuid = (UINT8 *)&Nvme->NamespaceUuid; UefiDevicePathLibCatPrint ( Str, "NVMe(0x%x,%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x)", Nvme->NamespaceId, Uuid[7], Uuid[6], Uuid[5], Uuid[4], Uuid[3], Uuid[2], Uuid[1], Uuid[0] ); } /** Converts a UFS device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUfs ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { UFS_DEVICE_PATH *Ufs; Ufs = DevPath; UefiDevicePathLibCatPrint (Str, "UFS(0x%x,0x%x)", Ufs->Pun, Ufs->Lun); } /** Converts a SD (Secure Digital) device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextSd ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { SD_DEVICE_PATH *Sd; Sd = DevPath; UefiDevicePathLibCatPrint ( Str, "SD(0x%x)", Sd->SlotNumber ); } /** Converts a EMMC (Embedded MMC) device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextEmmc ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { EMMC_DEVICE_PATH *Emmc; Emmc = DevPath; UefiDevicePathLibCatPrint ( Str, "eMMC(0x%x)", Emmc->SlotNumber ); } /** Converts a 1394 device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToText1394 ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { F1394_DEVICE_PATH *F1394DevPath; F1394DevPath = DevPath; // // Guid has format of IEEE-EUI64 // UefiDevicePathLibCatPrint (Str, "I1394(%016lx)", F1394DevPath->Guid); } /** Converts a USB device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUsb ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { USB_DEVICE_PATH *Usb; Usb = DevPath; UefiDevicePathLibCatPrint (Str, "USB(0x%x,0x%x)", Usb->ParentPortNumber, Usb->InterfaceNumber); } /** Converts a USB WWID device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUsbWWID ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { USB_WWID_DEVICE_PATH *UsbWWId; CHAR16 *SerialNumberStr; CHAR16 *NewStr; UINT16 Length; UsbWWId = DevPath; SerialNumberStr = (CHAR16 *)(&UsbWWId + 1); Length = (UINT16)((DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *)UsbWWId) - sizeof (USB_WWID_DEVICE_PATH)) / sizeof (CHAR16)); if ((Length >= 1) && (SerialNumberStr[Length - 1] != 0)) { // // In case no NULL terminator in SerialNumber, create a new one with NULL terminator // NewStr = AllocatePool ((Length + 1) * sizeof (CHAR16)); ASSERT (NewStr != NULL); CopyMem (NewStr, SerialNumberStr, Length * sizeof (CHAR16)); NewStr[Length] = 0; SerialNumberStr = NewStr; } UefiDevicePathLibCatPrint ( Str, "UsbWwid(0x%x,0x%x,0x%x,\"%S\")", UsbWWId->VendorId, UsbWWId->ProductId, UsbWWId->InterfaceNumber, SerialNumberStr ); } /** Converts a Logic Unit device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextLogicalUnit ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit; LogicalUnit = DevPath; UefiDevicePathLibCatPrint (Str, "Unit(0x%x)", LogicalUnit->Lun); } /** Converts a USB class device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUsbClass ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { USB_CLASS_DEVICE_PATH *UsbClass; BOOLEAN IsKnownSubClass; UsbClass = DevPath; IsKnownSubClass = TRUE; switch (UsbClass->DeviceClass) { case USB_CLASS_AUDIO: UefiDevicePathLibCatPrint (Str, "UsbAudio"); break; case USB_CLASS_CDCCONTROL: UefiDevicePathLibCatPrint (Str, "UsbCDCControl"); break; case USB_CLASS_HID: UefiDevicePathLibCatPrint (Str, "UsbHID"); break; case USB_CLASS_IMAGE: UefiDevicePathLibCatPrint (Str, "UsbImage"); break; case USB_CLASS_PRINTER: UefiDevicePathLibCatPrint (Str, "UsbPrinter"); break; case USB_CLASS_MASS_STORAGE: UefiDevicePathLibCatPrint (Str, "UsbMassStorage"); break; case USB_CLASS_HUB: UefiDevicePathLibCatPrint (Str, "UsbHub"); break; case USB_CLASS_CDCDATA: UefiDevicePathLibCatPrint (Str, "UsbCDCData"); break; case USB_CLASS_SMART_CARD: UefiDevicePathLibCatPrint (Str, "UsbSmartCard"); break; case USB_CLASS_VIDEO: UefiDevicePathLibCatPrint (Str, "UsbVideo"); break; case USB_CLASS_DIAGNOSTIC: UefiDevicePathLibCatPrint (Str, "UsbDiagnostic"); break; case USB_CLASS_WIRELESS: UefiDevicePathLibCatPrint (Str, "UsbWireless"); break; default: IsKnownSubClass = FALSE; break; } if (IsKnownSubClass) { UefiDevicePathLibCatPrint ( Str, "(0x%x,0x%x,0x%x,0x%x)", UsbClass->VendorId, UsbClass->ProductId, UsbClass->DeviceSubClass, UsbClass->DeviceProtocol ); return; } if (UsbClass->DeviceClass == USB_CLASS_RESERVE) { if (UsbClass->DeviceSubClass == USB_SUBCLASS_FW_UPDATE) { UefiDevicePathLibCatPrint ( Str, "UsbDeviceFirmwareUpdate(0x%x,0x%x,0x%x)", UsbClass->VendorId, UsbClass->ProductId, UsbClass->DeviceProtocol ); return; } else if (UsbClass->DeviceSubClass == USB_SUBCLASS_IRDA_BRIDGE) { UefiDevicePathLibCatPrint ( Str, "UsbIrdaBridge(0x%x,0x%x,0x%x)", UsbClass->VendorId, UsbClass->ProductId, UsbClass->DeviceProtocol ); return; } else if (UsbClass->DeviceSubClass == USB_SUBCLASS_TEST) { UefiDevicePathLibCatPrint ( Str, "UsbTestAndMeasurement(0x%x,0x%x,0x%x)", UsbClass->VendorId, UsbClass->ProductId, UsbClass->DeviceProtocol ); return; } } UefiDevicePathLibCatPrint ( Str, "UsbClass(0x%x,0x%x,0x%x,0x%x,0x%x)", UsbClass->VendorId, UsbClass->ProductId, UsbClass->DeviceClass, UsbClass->DeviceSubClass, UsbClass->DeviceProtocol ); } /** Converts a SATA device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextSata ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { SATA_DEVICE_PATH *Sata; Sata = DevPath; UefiDevicePathLibCatPrint ( Str, "Sata(0x%x,0x%x,0x%x)", Sata->HBAPortNumber, Sata->PortMultiplierPortNumber, Sata->Lun ); } /** Converts a I20 device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextI2O ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { I2O_DEVICE_PATH *I2ODevPath; I2ODevPath = DevPath; UefiDevicePathLibCatPrint (Str, "I2O(0x%x)", I2ODevPath->Tid); } /** Converts a MAC address device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextMacAddr ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MAC_ADDR_DEVICE_PATH *MacDevPath; UINTN HwAddressSize; UINTN Index; MacDevPath = DevPath; HwAddressSize = sizeof (EFI_MAC_ADDRESS); if ((MacDevPath->IfType == 0x01) || (MacDevPath->IfType == 0x00)) { HwAddressSize = 6; } UefiDevicePathLibCatPrint (Str, "MAC("); for (Index = 0; Index < HwAddressSize; Index++) { UefiDevicePathLibCatPrint (Str, "%02x", MacDevPath->MacAddress.Addr[Index]); } UefiDevicePathLibCatPrint (Str, ",0x%x)", MacDevPath->IfType); } /** Converts network protocol string to its text representation. @param Str The string representative of input device. @param Protocol The network protocol ID. **/ static VOID CatNetworkProtocol ( IN OUT POOL_PRINT *Str, IN UINT16 Protocol ) { if (Protocol == RFC_1700_TCP_PROTOCOL) { UefiDevicePathLibCatPrint (Str, "TCP"); } else if (Protocol == RFC_1700_UDP_PROTOCOL) { UefiDevicePathLibCatPrint (Str, "UDP"); } else { UefiDevicePathLibCatPrint (Str, "0x%x", Protocol); } } /** Converts IP v4 address to its text representation. @param Str The string representative of input device. @param Address The IP v4 address. **/ static VOID CatIPv4Address ( IN OUT POOL_PRINT *Str, IN EFI_IPv4_ADDRESS *Address ) { UefiDevicePathLibCatPrint (Str, "%d.%d.%d.%d", Address->Addr[0], Address->Addr[1], Address->Addr[2], Address->Addr[3]); } /** Converts IP v6 address to its text representation. @param Str The string representative of input device. @param Address The IP v6 address. **/ static VOID CatIPv6Address ( IN OUT POOL_PRINT *Str, IN EFI_IPv6_ADDRESS *Address ) { UefiDevicePathLibCatPrint ( Str, "%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x", Address->Addr[0], Address->Addr[1], Address->Addr[2], Address->Addr[3], Address->Addr[4], Address->Addr[5], Address->Addr[6], Address->Addr[7], Address->Addr[8], Address->Addr[9], Address->Addr[10], Address->Addr[11], Address->Addr[12], Address->Addr[13], Address->Addr[14], Address->Addr[15] ); } /** Converts a IPv4 device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextIPv4 ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { IPv4_DEVICE_PATH *IPDevPath; IPDevPath = DevPath; UefiDevicePathLibCatPrint (Str, "IPv4("); CatIPv4Address (Str, &IPDevPath->RemoteIpAddress); if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, ")"); return; } UefiDevicePathLibCatPrint (Str, ","); CatNetworkProtocol (Str, IPDevPath->Protocol); UefiDevicePathLibCatPrint (Str, ",%s,", IPDevPath->StaticIpAddress ? "Static" : "DHCP"); CatIPv4Address (Str, &IPDevPath->LocalIpAddress); if (DevicePathNodeLength (IPDevPath) == sizeof (IPv4_DEVICE_PATH)) { UefiDevicePathLibCatPrint (Str, ","); CatIPv4Address (Str, &IPDevPath->GatewayIpAddress); UefiDevicePathLibCatPrint (Str, ","); CatIPv4Address (Str, &IPDevPath->SubnetMask); } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts a IPv6 device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextIPv6 ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { IPv6_DEVICE_PATH *IPDevPath; IPDevPath = DevPath; UefiDevicePathLibCatPrint (Str, "IPv6("); CatIPv6Address (Str, &IPDevPath->RemoteIpAddress); if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, ")"); return; } UefiDevicePathLibCatPrint (Str, ","); CatNetworkProtocol (Str, IPDevPath->Protocol); switch (IPDevPath->IpAddressOrigin) { case 0: UefiDevicePathLibCatPrint (Str, ",Static,"); break; case 1: UefiDevicePathLibCatPrint (Str, ",StatelessAutoConfigure,"); break; default: UefiDevicePathLibCatPrint (Str, ",StatefulAutoConfigure,"); break; } CatIPv6Address (Str, &IPDevPath->LocalIpAddress); if (DevicePathNodeLength (IPDevPath) == sizeof (IPv6_DEVICE_PATH)) { UefiDevicePathLibCatPrint (Str, ",0x%x,", IPDevPath->PrefixLength); CatIPv6Address (Str, &IPDevPath->GatewayIpAddress); } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts an Infini Band device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextInfiniBand ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { INFINIBAND_DEVICE_PATH *InfiniBand; InfiniBand = DevPath; UefiDevicePathLibCatPrint ( Str, "Infiniband(0x%x,%36s,0x%lx,0x%lx,0x%lx)", InfiniBand->ResourceFlags, G(InfiniBand->PortGid), InfiniBand->ServiceId, InfiniBand->TargetPortId, InfiniBand->DeviceId ); } /** Converts a UART device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUart ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { UART_DEVICE_PATH *Uart; CHAR8 Parity; Uart = DevPath; switch (Uart->Parity) { case 0: Parity = 'D'; break; case 1: Parity = 'N'; break; case 2: Parity = 'E'; break; case 3: Parity = 'O'; break; case 4: Parity = 'M'; break; case 5: Parity = 'S'; break; default: Parity = 'x'; break; } if (Uart->BaudRate == 0) { UefiDevicePathLibCatPrint (Str, "Uart(DEFAULT,"); } else { UefiDevicePathLibCatPrint (Str, "Uart(%ld,", Uart->BaudRate); } if (Uart->DataBits == 0) { UefiDevicePathLibCatPrint (Str, "DEFAULT,"); } else { UefiDevicePathLibCatPrint (Str, "%d,", Uart->DataBits); } UefiDevicePathLibCatPrint (Str, "%c,", Parity); switch (Uart->StopBits) { case 0: UefiDevicePathLibCatPrint (Str, "D)"); break; case 1: UefiDevicePathLibCatPrint (Str, "1)"); break; case 2: UefiDevicePathLibCatPrint (Str, "1.5)"); break; case 3: UefiDevicePathLibCatPrint (Str, "2)"); break; default: UefiDevicePathLibCatPrint (Str, "x)"); break; } } /** Converts an iSCSI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextiSCSI ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { ISCSI_DEVICE_PATH_WITH_NAME *ISCSIDevPath; UINT16 Options; UINTN Index; ISCSIDevPath = DevPath; UefiDevicePathLibCatPrint ( Str, "iSCSI(%s,0x%x,0x", ISCSIDevPath->TargetName, ISCSIDevPath->TargetPortalGroupTag ); for (Index = 0; Index < sizeof (ISCSIDevPath->Lun) / sizeof (UINT8); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", ((UINT8 *)&ISCSIDevPath->Lun)[Index]); } Options = ISCSIDevPath->LoginOption; UefiDevicePathLibCatPrint (Str, ",%s,", (((Options >> 1) & 0x0001) != 0) ? "CRC32C" : "None"); UefiDevicePathLibCatPrint (Str, "%s,", (((Options >> 3) & 0x0001) != 0) ? "CRC32C" : "None"); if (((Options >> 11) & 0x0001) != 0) { UefiDevicePathLibCatPrint (Str, "%s,", "None"); } else if (((Options >> 12) & 0x0001) != 0) { UefiDevicePathLibCatPrint (Str, "%s,", "CHAP_UNI"); } else { UefiDevicePathLibCatPrint (Str, "%s,", "CHAP_BI"); } UefiDevicePathLibCatPrint (Str, "%s)", (ISCSIDevPath->NetworkProtocol == 0) ? "TCP" : "reserved"); } /** Converts a VLAN device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextVlan ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { VLAN_DEVICE_PATH *Vlan; Vlan = DevPath; UefiDevicePathLibCatPrint (Str, "Vlan(%d)", Vlan->VlanId); } /** Converts a Bluetooth device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextBluetooth ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { BLUETOOTH_DEVICE_PATH *Bluetooth; Bluetooth = DevPath; UefiDevicePathLibCatPrint ( Str, "Bluetooth(%02x%02x%02x%02x%02x%02x)", Bluetooth->BD_ADDR.Address[0], Bluetooth->BD_ADDR.Address[1], Bluetooth->BD_ADDR.Address[2], Bluetooth->BD_ADDR.Address[3], Bluetooth->BD_ADDR.Address[4], Bluetooth->BD_ADDR.Address[5] ); } /** Converts a Wi-Fi device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextWiFi ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { WIFI_DEVICE_PATH *WiFi; UINT8 SSId[33]; WiFi = DevPath; SSId[32] = '\0'; CopyMem (SSId, WiFi->SSId, 32); UefiDevicePathLibCatPrint (Str, "Wi-Fi(%s)", SSId); } /** Converts a Bluetooth device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextBluetoothLE ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { BLUETOOTH_LE_DEVICE_PATH *BluetoothLE; BluetoothLE = DevPath; UefiDevicePathLibCatPrint ( Str, "BluetoothLE(%02x%02x%02x%02x%02x%02x,0x%02x)", BluetoothLE->Address.Address[0], BluetoothLE->Address.Address[1], BluetoothLE->Address.Address[2], BluetoothLE->Address.Address[3], BluetoothLE->Address.Address[4], BluetoothLE->Address.Address[5], BluetoothLE->Address.Type ); } /** Converts a DNS device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextDns ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { DNS_DEVICE_PATH *DnsDevPath; UINT32 DnsServerIpCount; UINT32 DnsServerIpIndex; DnsDevPath = DevPath; DnsServerIpCount = (UINT32)(DevicePathNodeLength (DnsDevPath) - sizeof (EFI_DEVICE_PATH_PROTOCOL) - sizeof (DnsDevPath->IsIPv6)) / sizeof (EFI_IP_ADDRESS); UefiDevicePathLibCatPrint (Str, "Dns("); for (DnsServerIpIndex = 0; DnsServerIpIndex < DnsServerIpCount; DnsServerIpIndex++) { if (DnsDevPath->IsIPv6 == 0x00) { CatIPv4Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v4)); } else { CatIPv6Address (Str, &(DnsDevPath->DnsServerIp[DnsServerIpIndex].v6)); } if (DnsServerIpIndex < DnsServerIpCount - 1) { UefiDevicePathLibCatPrint (Str, ","); } } UefiDevicePathLibCatPrint (Str, ")"); } /** Converts a URI device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextUri ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { URI_DEVICE_PATH *Uri; UINTN UriLength; CHAR8 *UriStr; // // Uri in the device path may not be null terminated. // Uri = DevPath; UriLength = DevicePathNodeLength (Uri) - sizeof (URI_DEVICE_PATH); UriStr = AllocatePool (UriLength + 1); if (UriStr == NULL) { ASSERT (UriStr != NULL); return; } CopyMem (UriStr, Uri->Uri, UriLength); UriStr[UriLength] = '\0'; UefiDevicePathLibCatPrint (Str, "Uri(%s)", UriStr); FreePool (UriStr); } /** Converts a Hard drive device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextHardDrive ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { HARDDRIVE_DEVICE_PATH *Hd; Hd = DevPath; switch (Hd->SignatureType) { case SIGNATURE_TYPE_MBR: UefiDevicePathLibCatPrint ( Str, "HD(%d,%s,0x%08x", Hd->PartitionNumber, "MBR", // *((UINT32 *)(&(Hd->Signature[0]))) le32dec(&(Hd->Signature[0])) ); break; case SIGNATURE_TYPE_GUID: UefiDevicePathLibCatPrint ( Str, "HD(%d,%s,%36s", Hd->PartitionNumber, "GPT", G(&(Hd->Signature[0])) ); break; default: UefiDevicePathLibCatPrint ( Str, "HD(%d,%d,0", Hd->PartitionNumber, Hd->SignatureType ); break; } if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, ")"); } else { UefiDevicePathLibCatPrint (Str, ",0x%lx,0x%lx)", Hd->PartitionStart, Hd->PartitionSize); } } /** Converts a CDROM device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextCDROM ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { CDROM_DEVICE_PATH *Cd; Cd = DevPath; if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, "CDROM(0x%x)", Cd->BootEntry); return; } UefiDevicePathLibCatPrint (Str, "CDROM(0x%x,0x%lx,0x%lx)", Cd->BootEntry, Cd->PartitionStart, Cd->PartitionSize); } /** Converts a File device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextFilePath ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { FILEPATH_DEVICE_PATH *Fp; char *name = NULL; Fp = DevPath; ucs2_to_utf8(Fp->PathName, &name); UefiDevicePathLibCatPrint (Str, "File(%s)", name); free(name); } /** Converts a Media protocol device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextMediaProtocol ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEDIA_PROTOCOL_DEVICE_PATH *MediaProt; MediaProt = DevPath; UefiDevicePathLibCatPrint (Str, "Media(%36s)", G(&MediaProt->Protocol)); } /** Converts a Firmware Volume device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextFv ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEDIA_FW_VOL_DEVICE_PATH *Fv; Fv = DevPath; UefiDevicePathLibCatPrint (Str, "Fv(%36s)", G(&Fv->FvName)); } /** Converts a Firmware Volume File device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextFvFile ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFile; FvFile = DevPath; UefiDevicePathLibCatPrint (Str, "FvFile(%36s)", G(&FvFile->FvFileName)); } /** Converts a Relative Offset device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathRelativeOffsetRange ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset; Offset = DevPath; UefiDevicePathLibCatPrint ( Str, "Offset(0x%lx,0x%lx)", Offset->StartingOffset, Offset->EndingOffset ); } /** Converts a Ram Disk device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextRamDisk ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; RamDisk = DevPath; if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid)) { UefiDevicePathLibCatPrint ( Str, "VirtualDisk(0x%lx,0x%lx,%d)", LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], RamDisk->Instance ); } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid)) { UefiDevicePathLibCatPrint ( Str, "VirtualCD(0x%lx,0x%lx,%d)", LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], RamDisk->Instance ); } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid)) { UefiDevicePathLibCatPrint ( Str, "PersistentVirtualDisk(0x%lx,0x%lx,%d)", LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], RamDisk->Instance ); } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid)) { UefiDevicePathLibCatPrint ( Str, "PersistentVirtualCD(0x%lx,0x%lx,%d)", LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], RamDisk->Instance ); } else { UefiDevicePathLibCatPrint ( Str, "RamDisk(0x%lx,0x%lx,%d,%36s)", LShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], LShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], RamDisk->Instance, G(&RamDisk->TypeGuid) ); } } /** Converts a BIOS Boot Specification device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextBBS ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { BBS_BBS_DEVICE_PATH *Bbs; const char *Type; Bbs = DevPath; switch (Bbs->DeviceType) { case BBS_TYPE_FLOPPY: Type = "Floppy"; break; case BBS_TYPE_HARDDRIVE: Type = "HD"; break; case BBS_TYPE_CDROM: Type = "CDROM"; break; case BBS_TYPE_PCMCIA: Type = "PCMCIA"; break; case BBS_TYPE_USB: Type = "USB"; break; case BBS_TYPE_EMBEDDED_NETWORK: Type = "Network"; break; default: Type = NULL; break; } if (Type != NULL) { UefiDevicePathLibCatPrint (Str, "BBS(%s,%s", Type, Bbs->String); } else { UefiDevicePathLibCatPrint (Str, "BBS(0x%x,%s", Bbs->DeviceType, Bbs->String); } if (DisplayOnly) { UefiDevicePathLibCatPrint (Str, ")"); return; } UefiDevicePathLibCatPrint (Str, ",0x%x)", Bbs->StatusFlag); } /** Converts an End-of-Device-Path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextEndInstance ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { UefiDevicePathLibCatPrint (Str, ","); } GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_GENERIC_TABLE mUefiDevicePathLibToTextTableGeneric[] = { { HARDWARE_DEVICE_PATH, "HardwarePath" }, { ACPI_DEVICE_PATH, "AcpiPath" }, { MESSAGING_DEVICE_PATH, "Msg" }, { MEDIA_DEVICE_PATH, "MediaPath" }, { BBS_DEVICE_PATH, "BbsPath" }, { 0, NULL } }; /** Converts an unknown device path structure to its string representative. @param Str The string representative of input device. @param DevPath The input device path structure. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. **/ static VOID DevPathToTextNodeGeneric ( IN OUT POOL_PRINT *Str, IN VOID *DevPath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { EFI_DEVICE_PATH_PROTOCOL *Node; UINTN Index; Node = DevPath; for (Index = 0; mUefiDevicePathLibToTextTableGeneric[Index].Text != NULL; Index++) { if (DevicePathType (Node) == mUefiDevicePathLibToTextTableGeneric[Index].Type) { break; } } if (mUefiDevicePathLibToTextTableGeneric[Index].Text == NULL) { // // It's a node whose type cannot be recognized // UefiDevicePathLibCatPrint (Str, "Path(%d,%d", DevicePathType (Node), DevicePathSubType (Node)); } else { // // It's a node whose type can be recognized // UefiDevicePathLibCatPrint (Str, "%s(%d", mUefiDevicePathLibToTextTableGeneric[Index].Text, DevicePathSubType (Node)); } Index = sizeof (EFI_DEVICE_PATH_PROTOCOL); if (Index < DevicePathNodeLength (Node)) { UefiDevicePathLibCatPrint (Str, ","); for ( ; Index < DevicePathNodeLength (Node); Index++) { UefiDevicePathLibCatPrint (Str, "%02x", ((UINT8 *)Node)[Index]); } } UefiDevicePathLibCatPrint (Str, ")"); } static const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLibToTextTable[] = { { HARDWARE_DEVICE_PATH, HW_PCI_DP, DevPathToTextPci }, { HARDWARE_DEVICE_PATH, HW_PCCARD_DP, DevPathToTextPccard }, { HARDWARE_DEVICE_PATH, HW_MEMMAP_DP, DevPathToTextMemMap }, { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DevPathToTextVendor }, { HARDWARE_DEVICE_PATH, HW_CONTROLLER_DP, DevPathToTextController }, { HARDWARE_DEVICE_PATH, HW_BMC_DP, DevPathToTextBmc }, { ACPI_DEVICE_PATH, ACPI_DP, DevPathToTextAcpi }, { ACPI_DEVICE_PATH, ACPI_EXTENDED_DP, DevPathToTextAcpiEx }, { ACPI_DEVICE_PATH, ACPI_ADR_DP, DevPathToTextAcpiAdr }, { MESSAGING_DEVICE_PATH, MSG_ATAPI_DP, DevPathToTextAtapi }, { MESSAGING_DEVICE_PATH, MSG_SCSI_DP, DevPathToTextScsi }, { MESSAGING_DEVICE_PATH, MSG_FIBRECHANNEL_DP, DevPathToTextFibre }, { MESSAGING_DEVICE_PATH, MSG_FIBRECHANNELEX_DP, DevPathToTextFibreEx }, { MESSAGING_DEVICE_PATH, MSG_SASEX_DP, DevPathToTextSasEx }, { MESSAGING_DEVICE_PATH, MSG_NVME_NAMESPACE_DP, DevPathToTextNVMe }, { MESSAGING_DEVICE_PATH, MSG_UFS_DP, DevPathToTextUfs }, { MESSAGING_DEVICE_PATH, MSG_SD_DP, DevPathToTextSd }, { MESSAGING_DEVICE_PATH, MSG_EMMC_DP, DevPathToTextEmmc }, { MESSAGING_DEVICE_PATH, MSG_1394_DP, DevPathToText1394 }, { MESSAGING_DEVICE_PATH, MSG_USB_DP, DevPathToTextUsb }, { MESSAGING_DEVICE_PATH, MSG_USB_WWID_DP, DevPathToTextUsbWWID }, { MESSAGING_DEVICE_PATH, MSG_DEVICE_LOGICAL_UNIT_DP, DevPathToTextLogicalUnit }, { MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP, DevPathToTextUsbClass }, { MESSAGING_DEVICE_PATH, MSG_SATA_DP, DevPathToTextSata }, { MESSAGING_DEVICE_PATH, MSG_I2O_DP, DevPathToTextI2O }, { MESSAGING_DEVICE_PATH, MSG_MAC_ADDR_DP, DevPathToTextMacAddr }, { MESSAGING_DEVICE_PATH, MSG_IPv4_DP, DevPathToTextIPv4 }, { MESSAGING_DEVICE_PATH, MSG_IPv6_DP, DevPathToTextIPv6 }, { MESSAGING_DEVICE_PATH, MSG_INFINIBAND_DP, DevPathToTextInfiniBand }, { MESSAGING_DEVICE_PATH, MSG_UART_DP, DevPathToTextUart }, { MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, DevPathToTextVendor }, { MESSAGING_DEVICE_PATH, MSG_ISCSI_DP, DevPathToTextiSCSI }, { MESSAGING_DEVICE_PATH, MSG_VLAN_DP, DevPathToTextVlan }, { MESSAGING_DEVICE_PATH, MSG_DNS_DP, DevPathToTextDns }, { MESSAGING_DEVICE_PATH, MSG_URI_DP, DevPathToTextUri }, { MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_DP, DevPathToTextBluetooth }, { MESSAGING_DEVICE_PATH, MSG_WIFI_DP, DevPathToTextWiFi }, { MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_LE_DP, DevPathToTextBluetoothLE }, { MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP, DevPathToTextHardDrive }, { MEDIA_DEVICE_PATH, MEDIA_CDROM_DP, DevPathToTextCDROM }, { MEDIA_DEVICE_PATH, MEDIA_VENDOR_DP, DevPathToTextVendor }, { MEDIA_DEVICE_PATH, MEDIA_PROTOCOL_DP, DevPathToTextMediaProtocol }, { MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP, DevPathToTextFilePath }, { MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_VOL_DP, DevPathToTextFv }, { MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP, DevPathToTextFvFile }, { MEDIA_DEVICE_PATH, MEDIA_RELATIVE_OFFSET_RANGE_DP, DevPathRelativeOffsetRange }, { MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, DevPathToTextRamDisk }, { BBS_DEVICE_PATH, BBS_BBS_DP, DevPathToTextBBS }, { END_DEVICE_PATH_TYPE, END_INSTANCE_DEVICE_PATH_SUBTYPE, DevPathToTextEndInstance }, { 0, 0, NULL } }; /** Converts a device node to its string representation. @param DeviceNode A Pointer to the device node to be converted. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. @return A pointer to the allocated text representation of the device node or NULL if DeviceNode is NULL or there was insufficient memory. **/ static char * EFIAPI UefiDevicePathLibConvertDeviceNodeToText ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { POOL_PRINT Str; UINTN Index; DEVICE_PATH_TO_TEXT ToText; EFI_DEVICE_PATH_PROTOCOL *Node; if (DeviceNode == NULL) { return NULL; } ZeroMem (&Str, sizeof (Str)); // // Process the device path node // If not found, use a generic function // Node = __DECONST(EFI_DEVICE_PATH_PROTOCOL *, DeviceNode); ToText = DevPathToTextNodeGeneric; for (Index = 0; mUefiDevicePathLibToTextTable[Index].Function != NULL; Index++) { if ((DevicePathType (DeviceNode) == mUefiDevicePathLibToTextTable[Index].Type) && (DevicePathSubType (DeviceNode) == mUefiDevicePathLibToTextTable[Index].SubType) ) { ToText = mUefiDevicePathLibToTextTable[Index].Function; break; } } // // Print this node // ToText (&Str, (VOID *)Node, DisplayOnly, AllowShortcuts); ASSERT (Str.Str != NULL); return Str.Str; } /** Converts a device path to its text representation. @param DevicePath A Pointer to the device to be converted. @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation of the display node is used, where applicable. If DisplayOnly is FALSE, then the longer text representation of the display node is used. @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text representation for a device node can be used, where applicable. @return A pointer to the allocated text representation of the device path or NULL if DeviceNode is NULL or there was insufficient memory. **/ static char * EFIAPI UefiDevicePathLibConvertDevicePathToText ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, IN BOOLEAN DisplayOnly, IN BOOLEAN AllowShortcuts ) { POOL_PRINT Str; EFI_DEVICE_PATH_PROTOCOL *Node; EFI_DEVICE_PATH_PROTOCOL *AlignedNode; UINTN Index; DEVICE_PATH_TO_TEXT ToText; if (DevicePath == NULL) { return NULL; } ZeroMem (&Str, sizeof (Str)); // // Process each device path node // Node = __DECONST(EFI_DEVICE_PATH_PROTOCOL *, DevicePath); while (!IsDevicePathEnd (Node)) { // // Find the handler to dump this device path node // If not found, use a generic function // ToText = DevPathToTextNodeGeneric; for (Index = 0; mUefiDevicePathLibToTextTable[Index].Function != NULL; Index += 1) { if ((DevicePathType (Node) == mUefiDevicePathLibToTextTable[Index].Type) && (DevicePathSubType (Node) == mUefiDevicePathLibToTextTable[Index].SubType) ) { ToText = mUefiDevicePathLibToTextTable[Index].Function; break; } } // // Put a path separator in if needed // if ((Str.Count != 0) && (ToText != DevPathToTextEndInstance)) { if (Str.Str[Str.Count] != ',') { UefiDevicePathLibCatPrint (&Str, "/"); } } AlignedNode = AllocateCopyPool (DevicePathNodeLength (Node), Node); // // Print this node of the device path // ToText (&Str, AlignedNode, DisplayOnly, AllowShortcuts); FreePool (AlignedNode); // // Next device path node // Node = NextDevicePathNode (Node); } if (Str.Str == NULL) { return AllocateZeroPool (sizeof (CHAR16)); } else { return Str.Str; } } ssize_t efidp_format_device_path(char *buf, size_t len, const_efidp dp, ssize_t max) { char *str; ssize_t retval; /* * Basic sanity check on the device path. */ if (!IsDevicePathValid((CONST EFI_DEVICE_PATH_PROTOCOL *) dp, max)) { *buf = '\0'; return 0; } str = UefiDevicePathLibConvertDevicePathToText ( __DECONST(EFI_DEVICE_PATH_PROTOCOL *, dp), FALSE, TRUE); if (str == NULL) return -1; strlcpy(buf, str, len); retval = strlen(str); free(str); return retval; } ssize_t efidp_format_device_path_node(char *buf, size_t len, const_efidp dp) { char *str; ssize_t retval; str = UefiDevicePathLibConvertDeviceNodeToText ( __DECONST(EFI_DEVICE_PATH_PROTOCOL *, dp), FALSE, TRUE); if (str == NULL) return -1; strlcpy(buf, str, len); retval = strlen(str); free(str); return retval; } size_t efidp_size(const_efidp dp) { return GetDevicePathSize(__DECONST(EFI_DEVICE_PATH_PROTOCOL *, dp)); } char * efidp_extract_file_path(const_efidp dp) { const FILEPATH_DEVICE_PATH *fp; char *name = NULL; fp = (const void *)dp; ucs2_to_utf8(fp->PathName, &name); return name; } diff --git a/lib/libefivar/efivar-dp-parse.c b/lib/libefivar/efivar-dp-parse.c index 3382666730c4..51c134692f1e 100644 --- a/lib/libefivar/efivar-dp-parse.c +++ b/lib/libefivar/efivar-dp-parse.c @@ -1,4066 +1,4065 @@ /*- * Copyright (c) 2017 Netflix, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Routines to format EFI_DEVICE_PATHs from the UEFI standard. Much of * this file is taken from EDK2 and rototilled. */ -#include #include #include #include #include #include #include "efichar.h" #include "efi-osdep.h" #include "efivar-dp.h" #include "uefi-dplib.h" /* XXX STUBS -- this stuff doesn't work yet */ #define StrToIpv4Address(str, unk, ipv4ptr, unk2) (void)(str) #define StrToIpv6Address(str, unk, ipv6ptr, unk2) (void)(str) /* * OK. Now this is evil. Can't typedef it again. Sure beats changing them all. * Since we're doing it all as narrow characters since wchar_t can't be used on * FreeBSD and CHAR16 strings generally aren't a good fit. Since this parsing * doesn't need Unicode for anything, this works out well. */ #define CHAR16 char /* * Taken from MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c */ /** @file DevicePathFromText protocol as defined in the UEFI 2.0 specification. Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ // #include "UefiDevicePathLib.h" /** Duplicates a string. @param Src Source string. @return The duplicated string. **/ static CHAR16 * UefiDevicePathLibStrDuplicate ( IN CONST CHAR16 *Src ) { return AllocateCopyPool (StrSize (Src), Src); } /** Get parameter in a pair of parentheses follow the given node name. For example, given the "Pci(0,1)" and NodeName "Pci", it returns "0,1". @param Str Device Path Text. @param NodeName Name of the node. @return Parameter text for the node. **/ static CHAR16 * GetParamByNodeName ( IN CHAR16 *Str, IN const CHAR16 *NodeName ) { CHAR16 *ParamStr; CHAR16 *StrPointer; UINTN NodeNameLength; UINTN ParameterLength; // // Check whether the node name matchs // NodeNameLength = StrLen (NodeName); if (StrnCmp (Str, NodeName, NodeNameLength) != 0) { return NULL; } ParamStr = Str + NodeNameLength; if (!IS_LEFT_PARENTH (*ParamStr)) { return NULL; } // // Skip the found '(' and find first occurrence of ')' // ParamStr++; ParameterLength = 0; StrPointer = ParamStr; while (!IS_NULL (*StrPointer)) { if (IS_RIGHT_PARENTH (*StrPointer)) { break; } StrPointer++; ParameterLength++; } if (IS_NULL (*StrPointer)) { // // ')' not found // return NULL; } ParamStr = AllocateCopyPool ((ParameterLength + 1) * sizeof (CHAR16), ParamStr); if (ParamStr == NULL) { return NULL; } // // Terminate the parameter string // ParamStr[ParameterLength] = '\0'; return ParamStr; } /** Gets current sub-string from a string list, before return the list header is moved to next sub-string. The sub-string is separated by the specified character. For example, the separator is ',', the string list is "2,0,3", it returns "2", the remain list move to "0,3" @param List A string list separated by the specified separator @param Separator The separator character @return A pointer to the current sub-string **/ static CHAR16 * SplitStr ( IN OUT CHAR16 **List, IN CHAR16 Separator ) { CHAR16 *Str; CHAR16 *ReturnStr; Str = *List; ReturnStr = Str; if (IS_NULL (*Str)) { return ReturnStr; } // // Find first occurrence of the separator // while (!IS_NULL (*Str)) { if (*Str == Separator) { break; } Str++; } if (*Str == Separator) { // // Find a sub-string, terminate it // *Str = '\0'; Str++; } // // Move to next sub-string // *List = Str; return ReturnStr; } /** Gets the next parameter string from the list. @param List A string list separated by the specified separator @return A pointer to the current sub-string **/ static CHAR16 * GetNextParamStr ( IN OUT CHAR16 **List ) { // // The separator is comma // return SplitStr (List, ','); } /** Get one device node from entire device path text. @param DevicePath On input, the current Device Path node; on output, the next device path node @param IsInstanceEnd This node is the end of a device path instance @return A device node text or NULL if no more device node available **/ static CHAR16 * GetNextDeviceNodeStr ( IN OUT CHAR16 **DevicePath, OUT BOOLEAN *IsInstanceEnd ) { CHAR16 *Str; CHAR16 *ReturnStr; UINTN ParenthesesStack; Str = *DevicePath; if (IS_NULL (*Str)) { return NULL; } // // Skip the leading '/', '(', ')' and ',' // while (!IS_NULL (*Str)) { if (!IS_SLASH (*Str) && !IS_COMMA (*Str) && !IS_LEFT_PARENTH (*Str) && !IS_RIGHT_PARENTH (*Str)) { break; } Str++; } ReturnStr = Str; // // Scan for the separator of this device node, '/' or ',' // ParenthesesStack = 0; while (!IS_NULL (*Str)) { if ((IS_COMMA (*Str) || IS_SLASH (*Str)) && (ParenthesesStack == 0)) { break; } if (IS_LEFT_PARENTH (*Str)) { ParenthesesStack++; } else if (IS_RIGHT_PARENTH (*Str)) { ParenthesesStack--; } Str++; } if (ParenthesesStack != 0) { // // The '(' doesn't pair with ')', invalid device path text // return NULL; } if (IS_COMMA (*Str)) { *IsInstanceEnd = TRUE; *Str = '\0'; Str++; } else { *IsInstanceEnd = FALSE; if (!IS_NULL (*Str)) { *Str = '\0'; Str++; } } *DevicePath = Str; return ReturnStr; } #ifndef __FreeBSD__ /** Return whether the integer string is a hex string. @param Str The integer string @retval TRUE Hex string @retval FALSE Decimal string **/ static BOOLEAN IsHexStr ( IN CHAR16 *Str ) { // // skip preceeding white space // while (*Str == ' ') { Str++; } // // skip preceeding zeros // while (*Str == '0') { Str++; } return (BOOLEAN)(*Str == 'x' || *Str == 'X'); } /** Convert integer string to uint. @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal. @return A UINTN value represented by Str **/ static UINTN Strtoi ( IN CHAR16 *Str ) { if (IsHexStr (Str)) { return StrHexToUintn (Str); } else { return StrDecimalToUintn (Str); } } /** Convert integer string to 64 bit data. @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal. @param Data A pointer to the UINT64 value represented by Str **/ static VOID Strtoi64 ( IN CHAR16 *Str, OUT UINT64 *Data ) { if (IsHexStr (Str)) { *Data = StrHexToUint64 (Str); } else { *Data = StrDecimalToUint64 (Str); } } #endif /** Converts a Unicode string to ASCII string. @param Str The equivalent Unicode string @param AsciiStr On input, it points to destination ASCII string buffer; on output, it points to the next ASCII string next to it **/ static VOID StrToAscii ( IN CHAR16 *Str, IN OUT CHAR8 **AsciiStr ) { CHAR8 *Dest; Dest = *AsciiStr; while (!IS_NULL (*Str)) { *(Dest++) = (CHAR8)*(Str++); } *Dest = 0; // // Return the string next to it // *AsciiStr = Dest + 1; } /** Converts a generic text device path node to device path structure. @param Type The type of the device path node. @param TextDeviceNode The input text device path node. @return A pointer to device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextGenericPath ( IN UINT8 Type, IN CHAR16 *TextDeviceNode ) { EFI_DEVICE_PATH_PROTOCOL *Node; CHAR16 *SubtypeStr; CHAR16 *DataStr; UINTN DataLength; SubtypeStr = GetNextParamStr (&TextDeviceNode); DataStr = GetNextParamStr (&TextDeviceNode); if (DataStr == NULL) { DataLength = 0; } else { DataLength = StrLen (DataStr) / 2; } Node = CreateDeviceNode ( Type, (UINT8)Strtoi (SubtypeStr), (UINT16)(sizeof (EFI_DEVICE_PATH_PROTOCOL) + DataLength) ); if (Node != NULL) { StrHexToBytes (DataStr, DataLength * 2, (UINT8 *)(Node + 1), DataLength); } return Node; } /** Converts a generic text device path node to device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPath ( IN CHAR16 *TextDeviceNode ) { CHAR16 *TypeStr; TypeStr = GetNextParamStr (&TextDeviceNode); return DevPathFromTextGenericPath ((UINT8)Strtoi (TypeStr), TextDeviceNode); } /** Converts a generic hardware text device path node to Hardware device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to Hardware device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextHardwarePath ( IN CHAR16 *TextDeviceNode ) { return DevPathFromTextGenericPath (HARDWARE_DEVICE_PATH, TextDeviceNode); } /** Converts a text device path node to Hardware PCI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to Hardware PCI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPci ( IN CHAR16 *TextDeviceNode ) { CHAR16 *FunctionStr; CHAR16 *DeviceStr; PCI_DEVICE_PATH *Pci; DeviceStr = GetNextParamStr (&TextDeviceNode); FunctionStr = GetNextParamStr (&TextDeviceNode); Pci = (PCI_DEVICE_PATH *)CreateDeviceNode ( HARDWARE_DEVICE_PATH, HW_PCI_DP, (UINT16)sizeof (PCI_DEVICE_PATH) ); if (Pci != NULL) { Pci->Function = (UINT8)Strtoi (FunctionStr); Pci->Device = (UINT8)Strtoi (DeviceStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Pci; } /** Converts a text device path node to Hardware PC card device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to Hardware PC card device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPcCard ( IN CHAR16 *TextDeviceNode ) { CHAR16 *FunctionNumberStr; PCCARD_DEVICE_PATH *Pccard; FunctionNumberStr = GetNextParamStr (&TextDeviceNode); Pccard = (PCCARD_DEVICE_PATH *)CreateDeviceNode ( HARDWARE_DEVICE_PATH, HW_PCCARD_DP, (UINT16)sizeof (PCCARD_DEVICE_PATH) ); if (Pccard != NULL) { Pccard->FunctionNumber = (UINT8)Strtoi (FunctionNumberStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Pccard; } /** Converts a text device path node to Hardware memory map device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to Hardware memory map device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextMemoryMapped ( IN CHAR16 *TextDeviceNode ) { CHAR16 *MemoryTypeStr; CHAR16 *StartingAddressStr; CHAR16 *EndingAddressStr; MEMMAP_DEVICE_PATH *MemMap; MemoryTypeStr = GetNextParamStr (&TextDeviceNode); StartingAddressStr = GetNextParamStr (&TextDeviceNode); EndingAddressStr = GetNextParamStr (&TextDeviceNode); MemMap = (MEMMAP_DEVICE_PATH *)CreateDeviceNode ( HARDWARE_DEVICE_PATH, HW_MEMMAP_DP, (UINT16)sizeof (MEMMAP_DEVICE_PATH) ); if (MemMap != NULL) { MemMap->MemoryType = (UINT32)Strtoi (MemoryTypeStr); Strtoi64 (StartingAddressStr, &MemMap->StartingAddress); Strtoi64 (EndingAddressStr, &MemMap->EndingAddress); } return (EFI_DEVICE_PATH_PROTOCOL *)MemMap; } /** Converts a text device path node to Vendor device path structure based on the input Type and SubType. @param TextDeviceNode The input Text device path node. @param Type The type of device path node. @param SubType The subtype of device path node. @return A pointer to the newly-created Vendor device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * ConvertFromTextVendor ( IN CHAR16 *TextDeviceNode, IN UINT8 Type, IN UINT8 SubType ) { CHAR16 *GuidStr; CHAR16 *DataStr; UINTN Length; VENDOR_DEVICE_PATH *Vendor; GuidStr = GetNextParamStr (&TextDeviceNode); DataStr = GetNextParamStr (&TextDeviceNode); Length = StrLen (DataStr); // // Two hex characters make up 1 buffer byte // Length = (Length + 1) / 2; Vendor = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( Type, SubType, (UINT16)(sizeof (VENDOR_DEVICE_PATH) + Length) ); if (Vendor != NULL) { StrToGuid (GuidStr, &Vendor->Guid); StrHexToBytes (DataStr, Length * 2, (UINT8 *)(Vendor + 1), Length); } return (EFI_DEVICE_PATH_PROTOCOL *)Vendor; } /** Converts a text device path node to Vendor Hardware device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor Hardware device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenHw ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextVendor ( TextDeviceNode, HARDWARE_DEVICE_PATH, HW_VENDOR_DP ); } /** Converts a text device path node to Hardware Controller device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Hardware Controller device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextCtrl ( IN CHAR16 *TextDeviceNode ) { CHAR16 *ControllerStr; CONTROLLER_DEVICE_PATH *Controller; ControllerStr = GetNextParamStr (&TextDeviceNode); Controller = (CONTROLLER_DEVICE_PATH *)CreateDeviceNode ( HARDWARE_DEVICE_PATH, HW_CONTROLLER_DP, (UINT16)sizeof (CONTROLLER_DEVICE_PATH) ); if (Controller != NULL) { Controller->ControllerNumber = (UINT32)Strtoi (ControllerStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Controller; } /** Converts a text device path node to BMC device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created BMC device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextBmc ( IN CHAR16 *TextDeviceNode ) { CHAR16 *InterfaceTypeStr; CHAR16 *BaseAddressStr; BMC_DEVICE_PATH *BmcDp; InterfaceTypeStr = GetNextParamStr (&TextDeviceNode); BaseAddressStr = GetNextParamStr (&TextDeviceNode); BmcDp = (BMC_DEVICE_PATH *)CreateDeviceNode ( HARDWARE_DEVICE_PATH, HW_BMC_DP, (UINT16)sizeof (BMC_DEVICE_PATH) ); if (BmcDp != NULL) { BmcDp->InterfaceType = (UINT8)Strtoi (InterfaceTypeStr); WriteUnaligned64 ( (UINT64 *)(&BmcDp->BaseAddress), StrHexToUint64 (BaseAddressStr) ); } return (EFI_DEVICE_PATH_PROTOCOL *)BmcDp; } /** Converts a generic ACPI text device path node to ACPI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to ACPI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAcpiPath ( IN CHAR16 *TextDeviceNode ) { return DevPathFromTextGenericPath (ACPI_DEVICE_PATH, TextDeviceNode); } /** Converts a string to EisaId. @param Text The input string. @return UINT32 EISA ID. **/ static UINT32 EisaIdFromText ( IN CHAR16 *Text ) { return (((Text[0] - 'A' + 1) & 0x1f) << 10) + (((Text[1] - 'A' + 1) & 0x1f) << 5) + (((Text[2] - 'A' + 1) & 0x1f) << 0) + (UINT32)(StrHexToUintn (&Text[3]) << 16) ; } /** Converts a text device path node to ACPI HID device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created ACPI HID device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAcpi ( IN CHAR16 *TextDeviceNode ) { CHAR16 *HIDStr; CHAR16 *UIDStr; ACPI_HID_DEVICE_PATH *Acpi; HIDStr = GetNextParamStr (&TextDeviceNode); UIDStr = GetNextParamStr (&TextDeviceNode); Acpi = (ACPI_HID_DEVICE_PATH *)CreateDeviceNode ( ACPI_DEVICE_PATH, ACPI_DP, (UINT16)sizeof (ACPI_HID_DEVICE_PATH) ); if (Acpi != NULL) { Acpi->HID = EisaIdFromText (HIDStr); Acpi->UID = (UINT32)Strtoi (UIDStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Acpi; } /** Converts a text device path node to ACPI HID device path structure. @param TextDeviceNode The input Text device path node. @param PnPId The input plug and play identification. @return A pointer to the newly-created ACPI HID device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * ConvertFromTextAcpi ( IN CHAR16 *TextDeviceNode, IN UINT32 PnPId ) { CHAR16 *UIDStr; ACPI_HID_DEVICE_PATH *Acpi; UIDStr = GetNextParamStr (&TextDeviceNode); Acpi = (ACPI_HID_DEVICE_PATH *)CreateDeviceNode ( ACPI_DEVICE_PATH, ACPI_DP, (UINT16)sizeof (ACPI_HID_DEVICE_PATH) ); if (Acpi != NULL) { Acpi->HID = EFI_PNP_ID (PnPId); Acpi->UID = (UINT32)Strtoi (UIDStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Acpi; } /** Converts a text device path node to PCI root device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created PCI root device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPciRoot ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0a03); } /** Converts a text device path node to PCIE root device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created PCIE root device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPcieRoot ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0a08); } /** Converts a text device path node to Floppy device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Floppy device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFloppy ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0604); } /** Converts a text device path node to Keyboard device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Keyboard device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextKeyboard ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0301); } /** Converts a text device path node to Serial device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Serial device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextSerial ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0501); } /** Converts a text device path node to Parallel Port device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Parallel Port device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextParallelPort ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextAcpi (TextDeviceNode, 0x0401); } /** Converts a text device path node to ACPI extension device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created ACPI extension device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAcpiEx ( IN CHAR16 *TextDeviceNode ) { CHAR16 *HIDStr; CHAR16 *CIDStr; CHAR16 *UIDStr; CHAR16 *HIDSTRStr; CHAR16 *CIDSTRStr; CHAR16 *UIDSTRStr; CHAR8 *AsciiStr; UINT16 Length; ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx; HIDStr = GetNextParamStr (&TextDeviceNode); CIDStr = GetNextParamStr (&TextDeviceNode); UIDStr = GetNextParamStr (&TextDeviceNode); HIDSTRStr = GetNextParamStr (&TextDeviceNode); CIDSTRStr = GetNextParamStr (&TextDeviceNode); UIDSTRStr = GetNextParamStr (&TextDeviceNode); Length = (UINT16)(sizeof (ACPI_EXTENDED_HID_DEVICE_PATH) + StrLen (HIDSTRStr) + 1); Length = (UINT16)(Length + StrLen (UIDSTRStr) + 1); Length = (UINT16)(Length + StrLen (CIDSTRStr) + 1); AcpiEx = (ACPI_EXTENDED_HID_DEVICE_PATH *)CreateDeviceNode ( ACPI_DEVICE_PATH, ACPI_EXTENDED_DP, Length ); if (AcpiEx != NULL) { AcpiEx->HID = EisaIdFromText (HIDStr); AcpiEx->CID = EisaIdFromText (CIDStr); AcpiEx->UID = (UINT32)Strtoi (UIDStr); AsciiStr = (CHAR8 *)((UINT8 *)AcpiEx + sizeof (ACPI_EXTENDED_HID_DEVICE_PATH)); StrToAscii (HIDSTRStr, &AsciiStr); StrToAscii (UIDSTRStr, &AsciiStr); StrToAscii (CIDSTRStr, &AsciiStr); } return (EFI_DEVICE_PATH_PROTOCOL *)AcpiEx; } /** Converts a text device path node to ACPI extension device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created ACPI extension device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAcpiExp ( IN CHAR16 *TextDeviceNode ) { CHAR16 *HIDStr; CHAR16 *CIDStr; CHAR16 *UIDSTRStr; CHAR8 *AsciiStr; UINT16 Length; ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx; HIDStr = GetNextParamStr (&TextDeviceNode); CIDStr = GetNextParamStr (&TextDeviceNode); UIDSTRStr = GetNextParamStr (&TextDeviceNode); Length = (UINT16)(sizeof (ACPI_EXTENDED_HID_DEVICE_PATH) + StrLen (UIDSTRStr) + 3); AcpiEx = (ACPI_EXTENDED_HID_DEVICE_PATH *)CreateDeviceNode ( ACPI_DEVICE_PATH, ACPI_EXTENDED_DP, Length ); if (AcpiEx == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)AcpiEx; } AcpiEx->HID = EisaIdFromText (HIDStr); // // According to UEFI spec, the CID parameter is optional and has a default value of 0. // So when the CID parameter is not specified or specified as 0 in the text device node. // Set the CID to 0 in the ACPI extension device path structure. // if ((*CIDStr == '\0') || (*CIDStr == '0')) { AcpiEx->CID = 0; } else { AcpiEx->CID = EisaIdFromText (CIDStr); } AcpiEx->UID = 0; AsciiStr = (CHAR8 *)((UINT8 *)AcpiEx + sizeof (ACPI_EXTENDED_HID_DEVICE_PATH)); // // HID string is NULL // *AsciiStr = '\0'; // // Convert UID string // AsciiStr++; StrToAscii (UIDSTRStr, &AsciiStr); // // CID string is NULL // *AsciiStr = '\0'; return (EFI_DEVICE_PATH_PROTOCOL *)AcpiEx; } /** Converts a text device path node to ACPI _ADR device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created ACPI _ADR device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAcpiAdr ( IN CHAR16 *TextDeviceNode ) { CHAR16 *DisplayDeviceStr; ACPI_ADR_DEVICE_PATH *AcpiAdr; UINTN Index; UINTN Length; AcpiAdr = (ACPI_ADR_DEVICE_PATH *)CreateDeviceNode ( ACPI_DEVICE_PATH, ACPI_ADR_DP, (UINT16)sizeof (ACPI_ADR_DEVICE_PATH) ); if (AcpiAdr == NULL) { ASSERT (AcpiAdr != NULL); return (EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr; } for (Index = 0; ; Index++) { DisplayDeviceStr = GetNextParamStr (&TextDeviceNode); if (IS_NULL (*DisplayDeviceStr)) { break; } if (Index > 0) { Length = DevicePathNodeLength (AcpiAdr); AcpiAdr = ReallocatePool ( Length, Length + sizeof (UINT32), AcpiAdr ); if (AcpiAdr == NULL) { ASSERT (AcpiAdr != NULL); return (EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr; } SetDevicePathNodeLength (AcpiAdr, Length + sizeof (UINT32)); } (&AcpiAdr->ADR)[Index] = (UINT32)Strtoi (DisplayDeviceStr); } return (EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr; } /** Converts a generic messaging text device path node to messaging device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to messaging device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextMsg ( IN CHAR16 *TextDeviceNode ) { return DevPathFromTextGenericPath (MESSAGING_DEVICE_PATH, TextDeviceNode); } /** Converts a text device path node to Parallel Port device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Parallel Port device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextAta ( IN CHAR16 *TextDeviceNode ) { CHAR16 *PrimarySecondaryStr; CHAR16 *SlaveMasterStr; CHAR16 *LunStr; ATAPI_DEVICE_PATH *Atapi; Atapi = (ATAPI_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_ATAPI_DP, (UINT16)sizeof (ATAPI_DEVICE_PATH) ); if (Atapi == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Atapi; } PrimarySecondaryStr = GetNextParamStr (&TextDeviceNode); SlaveMasterStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); if (StrCmp (PrimarySecondaryStr, "Primary") == 0) { Atapi->PrimarySecondary = 0; } else if (StrCmp (PrimarySecondaryStr, "Secondary") == 0) { Atapi->PrimarySecondary = 1; } else { Atapi->PrimarySecondary = (UINT8)Strtoi (PrimarySecondaryStr); } if (StrCmp (SlaveMasterStr, "Master") == 0) { Atapi->SlaveMaster = 0; } else if (StrCmp (SlaveMasterStr, "Slave") == 0) { Atapi->SlaveMaster = 1; } else { Atapi->SlaveMaster = (UINT8)Strtoi (SlaveMasterStr); } Atapi->Lun = (UINT16)Strtoi (LunStr); return (EFI_DEVICE_PATH_PROTOCOL *)Atapi; } /** Converts a text device path node to SCSI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created SCSI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextScsi ( IN CHAR16 *TextDeviceNode ) { CHAR16 *PunStr; CHAR16 *LunStr; SCSI_DEVICE_PATH *Scsi; PunStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); Scsi = (SCSI_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_SCSI_DP, (UINT16)sizeof (SCSI_DEVICE_PATH) ); if (Scsi != NULL) { Scsi->Pun = (UINT16)Strtoi (PunStr); Scsi->Lun = (UINT16)Strtoi (LunStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Scsi; } /** Converts a text device path node to Fibre device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Fibre device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFibre ( IN CHAR16 *TextDeviceNode ) { CHAR16 *WWNStr; CHAR16 *LunStr; FIBRECHANNEL_DEVICE_PATH *Fibre; WWNStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); Fibre = (FIBRECHANNEL_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_FIBRECHANNEL_DP, (UINT16)sizeof (FIBRECHANNEL_DEVICE_PATH) ); if (Fibre != NULL) { Fibre->Reserved = 0; Strtoi64 (WWNStr, &Fibre->WWN); Strtoi64 (LunStr, &Fibre->Lun); } return (EFI_DEVICE_PATH_PROTOCOL *)Fibre; } /** Converts a text device path node to FibreEx device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created FibreEx device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFibreEx ( IN CHAR16 *TextDeviceNode ) { CHAR16 *WWNStr; CHAR16 *LunStr; FIBRECHANNELEX_DEVICE_PATH *FibreEx; WWNStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); FibreEx = (FIBRECHANNELEX_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_FIBRECHANNELEX_DP, (UINT16)sizeof (FIBRECHANNELEX_DEVICE_PATH) ); if (FibreEx != NULL) { FibreEx->Reserved = 0; Strtoi64 (WWNStr, (UINT64 *)(&FibreEx->WWN)); Strtoi64 (LunStr, (UINT64 *)(&FibreEx->Lun)); *(UINT64 *)(&FibreEx->WWN) = SwapBytes64 (*(UINT64 *)(&FibreEx->WWN)); *(UINT64 *)(&FibreEx->Lun) = SwapBytes64 (*(UINT64 *)(&FibreEx->Lun)); } return (EFI_DEVICE_PATH_PROTOCOL *)FibreEx; } /** Converts a text device path node to 1394 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created 1394 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromText1394 ( IN CHAR16 *TextDeviceNode ) { CHAR16 *GuidStr; F1394_DEVICE_PATH *F1394DevPath; GuidStr = GetNextParamStr (&TextDeviceNode); F1394DevPath = (F1394_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_1394_DP, (UINT16)sizeof (F1394_DEVICE_PATH) ); if (F1394DevPath != NULL) { F1394DevPath->Reserved = 0; F1394DevPath->Guid = StrHexToUint64 (GuidStr); } return (EFI_DEVICE_PATH_PROTOCOL *)F1394DevPath; } /** Converts a text device path node to USB device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsb ( IN CHAR16 *TextDeviceNode ) { CHAR16 *PortStr; CHAR16 *InterfaceStr; USB_DEVICE_PATH *Usb; PortStr = GetNextParamStr (&TextDeviceNode); InterfaceStr = GetNextParamStr (&TextDeviceNode); Usb = (USB_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_USB_DP, (UINT16)sizeof (USB_DEVICE_PATH) ); if (Usb != NULL) { Usb->ParentPortNumber = (UINT8)Strtoi (PortStr); Usb->InterfaceNumber = (UINT8)Strtoi (InterfaceStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Usb; } /** Converts a text device path node to I20 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created I20 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextI2O ( IN CHAR16 *TextDeviceNode ) { CHAR16 *TIDStr; I2O_DEVICE_PATH *I2ODevPath; TIDStr = GetNextParamStr (&TextDeviceNode); I2ODevPath = (I2O_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_I2O_DP, (UINT16)sizeof (I2O_DEVICE_PATH) ); if (I2ODevPath != NULL) { I2ODevPath->Tid = (UINT32)Strtoi (TIDStr); } return (EFI_DEVICE_PATH_PROTOCOL *)I2ODevPath; } /** Converts a text device path node to Infini Band device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Infini Band device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextInfiniband ( IN CHAR16 *TextDeviceNode ) { CHAR16 *FlagsStr; CHAR16 *GuidStr; CHAR16 *SidStr; CHAR16 *TidStr; CHAR16 *DidStr; INFINIBAND_DEVICE_PATH *InfiniBand; FlagsStr = GetNextParamStr (&TextDeviceNode); GuidStr = GetNextParamStr (&TextDeviceNode); SidStr = GetNextParamStr (&TextDeviceNode); TidStr = GetNextParamStr (&TextDeviceNode); DidStr = GetNextParamStr (&TextDeviceNode); InfiniBand = (INFINIBAND_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_INFINIBAND_DP, (UINT16)sizeof (INFINIBAND_DEVICE_PATH) ); if (InfiniBand != NULL) { InfiniBand->ResourceFlags = (UINT32)Strtoi (FlagsStr); StrToGuid (GuidStr, (EFI_GUID *)InfiniBand->PortGid); Strtoi64 (SidStr, &InfiniBand->ServiceId); Strtoi64 (TidStr, &InfiniBand->TargetPortId); Strtoi64 (DidStr, &InfiniBand->DeviceId); } return (EFI_DEVICE_PATH_PROTOCOL *)InfiniBand; } /** Converts a text device path node to Vendor-Defined Messaging device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor-Defined Messaging device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenMsg ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextVendor ( TextDeviceNode, MESSAGING_DEVICE_PATH, MSG_VENDOR_DP ); } /** Converts a text device path node to Vendor defined PC-ANSI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor defined PC-ANSI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenPcAnsi ( IN CHAR16 *TextDeviceNode ) { VENDOR_DEVICE_PATH *Vendor; Vendor = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (VENDOR_DEVICE_PATH) ); if (Vendor != NULL) { CopyGuid (&Vendor->Guid, &gEfiPcAnsiGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)Vendor; } /** Converts a text device path node to Vendor defined VT100 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor defined VT100 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenVt100 ( IN CHAR16 *TextDeviceNode ) { VENDOR_DEVICE_PATH *Vendor; Vendor = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (VENDOR_DEVICE_PATH) ); if (Vendor != NULL) { CopyGuid (&Vendor->Guid, &gEfiVT100Guid); } return (EFI_DEVICE_PATH_PROTOCOL *)Vendor; } /** Converts a text device path node to Vendor defined VT100 Plus device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor defined VT100 Plus device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenVt100Plus ( IN CHAR16 *TextDeviceNode ) { VENDOR_DEVICE_PATH *Vendor; Vendor = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (VENDOR_DEVICE_PATH) ); if (Vendor != NULL) { CopyGuid (&Vendor->Guid, &gEfiVT100PlusGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)Vendor; } /** Converts a text device path node to Vendor defined UTF8 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor defined UTF8 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenUtf8 ( IN CHAR16 *TextDeviceNode ) { VENDOR_DEVICE_PATH *Vendor; Vendor = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (VENDOR_DEVICE_PATH) ); if (Vendor != NULL) { CopyGuid (&Vendor->Guid, &gEfiVTUTF8Guid); } return (EFI_DEVICE_PATH_PROTOCOL *)Vendor; } /** Converts a text device path node to UART Flow Control device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created UART Flow Control device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUartFlowCtrl ( IN CHAR16 *TextDeviceNode ) { CHAR16 *ValueStr; UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl; ValueStr = GetNextParamStr (&TextDeviceNode); UartFlowControl = (UART_FLOW_CONTROL_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (UART_FLOW_CONTROL_DEVICE_PATH) ); if (UartFlowControl != NULL) { CopyGuid (&UartFlowControl->Guid, &gEfiUartDevicePathGuid); if (StrCmp (ValueStr, "XonXoff") == 0) { UartFlowControl->FlowControlMap = 2; } else if (StrCmp (ValueStr, "Hardware") == 0) { UartFlowControl->FlowControlMap = 1; } else { UartFlowControl->FlowControlMap = 0; } } return (EFI_DEVICE_PATH_PROTOCOL *)UartFlowControl; } /** Converts a text device path node to Serial Attached SCSI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Serial Attached SCSI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextSAS ( IN CHAR16 *TextDeviceNode ) { CHAR16 *AddressStr; CHAR16 *LunStr; CHAR16 *RTPStr; CHAR16 *SASSATAStr; CHAR16 *LocationStr; CHAR16 *ConnectStr; CHAR16 *DriveBayStr; CHAR16 *ReservedStr; UINT16 Info; UINT16 Uint16; SAS_DEVICE_PATH *Sas; AddressStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); RTPStr = GetNextParamStr (&TextDeviceNode); SASSATAStr = GetNextParamStr (&TextDeviceNode); LocationStr = GetNextParamStr (&TextDeviceNode); ConnectStr = GetNextParamStr (&TextDeviceNode); DriveBayStr = GetNextParamStr (&TextDeviceNode); ReservedStr = GetNextParamStr (&TextDeviceNode); Sas = (SAS_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (SAS_DEVICE_PATH) ); if (Sas == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Sas; } CopyGuid (&Sas->Guid, &gEfiSasDevicePathGuid); Strtoi64 (AddressStr, &Sas->SasAddress); Strtoi64 (LunStr, &Sas->Lun); Sas->RelativeTargetPort = (UINT16)Strtoi (RTPStr); if (StrCmp (SASSATAStr, "NoTopology") == 0) { Info = 0x0; } else if ((StrCmp (SASSATAStr, "SATA") == 0) || (StrCmp (SASSATAStr, "SAS") == 0)) { Uint16 = (UINT16)Strtoi (DriveBayStr); if (Uint16 == 0) { Info = 0x1; } else { Info = (UINT16)(0x2 | ((Uint16 - 1) << 8)); } if (StrCmp (SASSATAStr, "SATA") == 0) { Info |= BIT4; } // // Location is an integer between 0 and 1 or else // the keyword Internal (0) or External (1). // if (StrCmp (LocationStr, "External") == 0) { Uint16 = 1; } else if (StrCmp (LocationStr, "Internal") == 0) { Uint16 = 0; } else { Uint16 = ((UINT16)Strtoi (LocationStr) & BIT0); } Info |= (Uint16 << 5); // // Connect is an integer between 0 and 3 or else // the keyword Direct (0) or Expanded (1). // if (StrCmp (ConnectStr, "Expanded") == 0) { Uint16 = 1; } else if (StrCmp (ConnectStr, "Direct") == 0) { Uint16 = 0; } else { Uint16 = ((UINT16)Strtoi (ConnectStr) & (BIT0 | BIT1)); } Info |= (Uint16 << 6); } else { Info = (UINT16)Strtoi (SASSATAStr); } Sas->DeviceTopology = Info; Sas->Reserved = (UINT32)Strtoi (ReservedStr); return (EFI_DEVICE_PATH_PROTOCOL *)Sas; } /** Converts a text device path node to Serial Attached SCSI Ex device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Serial Attached SCSI Ex device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextSasEx ( IN CHAR16 *TextDeviceNode ) { CHAR16 *AddressStr; CHAR16 *LunStr; CHAR16 *RTPStr; CHAR16 *SASSATAStr; CHAR16 *LocationStr; CHAR16 *ConnectStr; CHAR16 *DriveBayStr; UINT16 Info; UINT16 Uint16; UINT64 SasAddress; UINT64 Lun; SASEX_DEVICE_PATH *SasEx; AddressStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); RTPStr = GetNextParamStr (&TextDeviceNode); SASSATAStr = GetNextParamStr (&TextDeviceNode); LocationStr = GetNextParamStr (&TextDeviceNode); ConnectStr = GetNextParamStr (&TextDeviceNode); DriveBayStr = GetNextParamStr (&TextDeviceNode); SasEx = (SASEX_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_SASEX_DP, (UINT16)sizeof (SASEX_DEVICE_PATH) ); if (SasEx == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)SasEx; } Strtoi64 (AddressStr, &SasAddress); Strtoi64 (LunStr, &Lun); WriteUnaligned64 ((UINT64 *)&SasEx->SasAddress, SwapBytes64 (SasAddress)); WriteUnaligned64 ((UINT64 *)&SasEx->Lun, SwapBytes64 (Lun)); SasEx->RelativeTargetPort = (UINT16)Strtoi (RTPStr); if (StrCmp (SASSATAStr, "NoTopology") == 0) { Info = 0x0; } else if ((StrCmp (SASSATAStr, "SATA") == 0) || (StrCmp (SASSATAStr, "SAS") == 0)) { Uint16 = (UINT16)Strtoi (DriveBayStr); if (Uint16 == 0) { Info = 0x1; } else { Info = (UINT16)(0x2 | ((Uint16 - 1) << 8)); } if (StrCmp (SASSATAStr, "SATA") == 0) { Info |= BIT4; } // // Location is an integer between 0 and 1 or else // the keyword Internal (0) or External (1). // if (StrCmp (LocationStr, "External") == 0) { Uint16 = 1; } else if (StrCmp (LocationStr, "Internal") == 0) { Uint16 = 0; } else { Uint16 = ((UINT16)Strtoi (LocationStr) & BIT0); } Info |= (Uint16 << 5); // // Connect is an integer between 0 and 3 or else // the keyword Direct (0) or Expanded (1). // if (StrCmp (ConnectStr, "Expanded") == 0) { Uint16 = 1; } else if (StrCmp (ConnectStr, "Direct") == 0) { Uint16 = 0; } else { Uint16 = ((UINT16)Strtoi (ConnectStr) & (BIT0 | BIT1)); } Info |= (Uint16 << 6); } else { Info = (UINT16)Strtoi (SASSATAStr); } SasEx->DeviceTopology = Info; return (EFI_DEVICE_PATH_PROTOCOL *)SasEx; } /** Converts a text device path node to NVM Express Namespace device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created NVM Express Namespace device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextNVMe ( IN CHAR16 *TextDeviceNode ) { CHAR16 *NamespaceIdStr; CHAR16 *NamespaceUuidStr; NVME_NAMESPACE_DEVICE_PATH *Nvme; UINT8 *Uuid; UINTN Index; NamespaceIdStr = GetNextParamStr (&TextDeviceNode); NamespaceUuidStr = GetNextParamStr (&TextDeviceNode); Nvme = (NVME_NAMESPACE_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_NVME_NAMESPACE_DP, (UINT16)sizeof (NVME_NAMESPACE_DEVICE_PATH) ); if (Nvme != NULL) { Nvme->NamespaceId = (UINT32)Strtoi (NamespaceIdStr); Uuid = (UINT8 *)&Nvme->NamespaceUuid; Index = sizeof (Nvme->NamespaceUuid) / sizeof (UINT8); while (Index-- != 0) { Uuid[Index] = (UINT8)StrHexToUintn (SplitStr (&NamespaceUuidStr, '-')); } } return (EFI_DEVICE_PATH_PROTOCOL *)Nvme; } /** Converts a text device path node to UFS device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created UFS device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUfs ( IN CHAR16 *TextDeviceNode ) { CHAR16 *PunStr; CHAR16 *LunStr; UFS_DEVICE_PATH *Ufs; PunStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); Ufs = (UFS_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_UFS_DP, (UINT16)sizeof (UFS_DEVICE_PATH) ); if (Ufs != NULL) { Ufs->Pun = (UINT8)Strtoi (PunStr); Ufs->Lun = (UINT8)Strtoi (LunStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Ufs; } /** Converts a text device path node to SD (Secure Digital) device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created SD device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextSd ( IN CHAR16 *TextDeviceNode ) { CHAR16 *SlotNumberStr; SD_DEVICE_PATH *Sd; SlotNumberStr = GetNextParamStr (&TextDeviceNode); Sd = (SD_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_SD_DP, (UINT16)sizeof (SD_DEVICE_PATH) ); if (Sd != NULL) { Sd->SlotNumber = (UINT8)Strtoi (SlotNumberStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Sd; } /** Converts a text device path node to EMMC (Embedded MMC) device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created EMMC device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextEmmc ( IN CHAR16 *TextDeviceNode ) { CHAR16 *SlotNumberStr; EMMC_DEVICE_PATH *Emmc; SlotNumberStr = GetNextParamStr (&TextDeviceNode); Emmc = (EMMC_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_EMMC_DP, (UINT16)sizeof (EMMC_DEVICE_PATH) ); if (Emmc != NULL) { Emmc->SlotNumber = (UINT8)Strtoi (SlotNumberStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Emmc; } /** Converts a text device path node to Debug Port device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Debug Port device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextDebugPort ( IN CHAR16 *TextDeviceNode ) { VENDOR_DEVICE_PATH *Vend; Vend = (VENDOR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VENDOR_DP, (UINT16)sizeof (VENDOR_DEVICE_PATH) ); if (Vend != NULL) { CopyGuid (&Vend->Guid, &gEfiDebugPortProtocolGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)Vend; } /** Converts a text device path node to MAC device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created MAC device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextMAC ( IN CHAR16 *TextDeviceNode ) { CHAR16 *AddressStr; CHAR16 *IfTypeStr; UINTN Length; MAC_ADDR_DEVICE_PATH *MACDevPath; AddressStr = GetNextParamStr (&TextDeviceNode); IfTypeStr = GetNextParamStr (&TextDeviceNode); MACDevPath = (MAC_ADDR_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_MAC_ADDR_DP, (UINT16)sizeof (MAC_ADDR_DEVICE_PATH) ); if (MACDevPath != NULL) { MACDevPath->IfType = (UINT8)Strtoi (IfTypeStr); Length = sizeof (EFI_MAC_ADDRESS); if ((MACDevPath->IfType == 0x01) || (MACDevPath->IfType == 0x00)) { Length = 6; } StrHexToBytes (AddressStr, Length * 2, MACDevPath->MacAddress.Addr, Length); } return (EFI_DEVICE_PATH_PROTOCOL *)MACDevPath; } /** Converts a text format to the network protocol ID. @param Text String of protocol field. @return Network protocol ID . **/ static UINTN NetworkProtocolFromText ( IN CHAR16 *Text ) { if (StrCmp (Text, "UDP") == 0) { return RFC_1700_UDP_PROTOCOL; } if (StrCmp (Text, "TCP") == 0) { return RFC_1700_TCP_PROTOCOL; } return Strtoi (Text); } /** Converts a text device path node to IPV4 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created IPV4 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextIPv4 ( IN CHAR16 *TextDeviceNode ) { CHAR16 *RemoteIPStr; CHAR16 *ProtocolStr; CHAR16 *TypeStr; CHAR16 *LocalIPStr; CHAR16 *GatewayIPStr; CHAR16 *SubnetMaskStr; IPv4_DEVICE_PATH *IPv4; RemoteIPStr = GetNextParamStr (&TextDeviceNode); ProtocolStr = GetNextParamStr (&TextDeviceNode); TypeStr = GetNextParamStr (&TextDeviceNode); LocalIPStr = GetNextParamStr (&TextDeviceNode); GatewayIPStr = GetNextParamStr (&TextDeviceNode); SubnetMaskStr = GetNextParamStr (&TextDeviceNode); IPv4 = (IPv4_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_IPv4_DP, (UINT16)sizeof (IPv4_DEVICE_PATH) ); if (IPv4 == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)IPv4; } StrToIpv4Address (RemoteIPStr, NULL, &IPv4->RemoteIpAddress, NULL); IPv4->Protocol = (UINT16)NetworkProtocolFromText (ProtocolStr); if (StrCmp (TypeStr, "Static") == 0) { IPv4->StaticIpAddress = TRUE; } else { IPv4->StaticIpAddress = FALSE; } StrToIpv4Address (LocalIPStr, NULL, &IPv4->LocalIpAddress, NULL); if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*SubnetMaskStr)) { StrToIpv4Address (GatewayIPStr, NULL, &IPv4->GatewayIpAddress, NULL); StrToIpv4Address (SubnetMaskStr, NULL, &IPv4->SubnetMask, NULL); } else { ZeroMem (&IPv4->GatewayIpAddress, sizeof (IPv4->GatewayIpAddress)); ZeroMem (&IPv4->SubnetMask, sizeof (IPv4->SubnetMask)); } IPv4->LocalPort = 0; IPv4->RemotePort = 0; return (EFI_DEVICE_PATH_PROTOCOL *)IPv4; } /** Converts a text device path node to IPV6 device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created IPV6 device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextIPv6 ( IN CHAR16 *TextDeviceNode ) { CHAR16 *RemoteIPStr; CHAR16 *ProtocolStr; CHAR16 *TypeStr; CHAR16 *LocalIPStr; CHAR16 *GatewayIPStr; CHAR16 *PrefixLengthStr; IPv6_DEVICE_PATH *IPv6; RemoteIPStr = GetNextParamStr (&TextDeviceNode); ProtocolStr = GetNextParamStr (&TextDeviceNode); TypeStr = GetNextParamStr (&TextDeviceNode); LocalIPStr = GetNextParamStr (&TextDeviceNode); PrefixLengthStr = GetNextParamStr (&TextDeviceNode); GatewayIPStr = GetNextParamStr (&TextDeviceNode); IPv6 = (IPv6_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_IPv6_DP, (UINT16)sizeof (IPv6_DEVICE_PATH) ); if (IPv6 == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)IPv6; } StrToIpv6Address (RemoteIPStr, NULL, &IPv6->RemoteIpAddress, NULL); IPv6->Protocol = (UINT16)NetworkProtocolFromText (ProtocolStr); if (StrCmp (TypeStr, "Static") == 0) { IPv6->IpAddressOrigin = 0; } else if (StrCmp (TypeStr, "StatelessAutoConfigure") == 0) { IPv6->IpAddressOrigin = 1; } else { IPv6->IpAddressOrigin = 2; } StrToIpv6Address (LocalIPStr, NULL, &IPv6->LocalIpAddress, NULL); if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*PrefixLengthStr)) { StrToIpv6Address (GatewayIPStr, NULL, &IPv6->GatewayIpAddress, NULL); IPv6->PrefixLength = (UINT8)Strtoi (PrefixLengthStr); } else { ZeroMem (&IPv6->GatewayIpAddress, sizeof (IPv6->GatewayIpAddress)); IPv6->PrefixLength = 0; } IPv6->LocalPort = 0; IPv6->RemotePort = 0; return (EFI_DEVICE_PATH_PROTOCOL *)IPv6; } /** Converts a text device path node to UART device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created UART device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUart ( IN CHAR16 *TextDeviceNode ) { CHAR16 *BaudStr; CHAR16 *DataBitsStr; CHAR16 *ParityStr; CHAR16 *StopBitsStr; UART_DEVICE_PATH *Uart; BaudStr = GetNextParamStr (&TextDeviceNode); DataBitsStr = GetNextParamStr (&TextDeviceNode); ParityStr = GetNextParamStr (&TextDeviceNode); StopBitsStr = GetNextParamStr (&TextDeviceNode); Uart = (UART_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_UART_DP, (UINT16)sizeof (UART_DEVICE_PATH) ); if (Uart == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Uart; } if (StrCmp (BaudStr, "DEFAULT") == 0) { Uart->BaudRate = 115200; } else { Strtoi64 (BaudStr, &Uart->BaudRate); } Uart->DataBits = (UINT8)((StrCmp (DataBitsStr, "DEFAULT") == 0) ? 8 : Strtoi (DataBitsStr)); switch (*ParityStr) { case 'D': Uart->Parity = 0; break; case 'N': Uart->Parity = 1; break; case 'E': Uart->Parity = 2; break; case 'O': Uart->Parity = 3; break; case 'M': Uart->Parity = 4; break; case 'S': Uart->Parity = 5; break; default: Uart->Parity = (UINT8)Strtoi (ParityStr); break; } if (StrCmp (StopBitsStr, "D") == 0) { Uart->StopBits = (UINT8)0; } else if (StrCmp (StopBitsStr, "1") == 0) { Uart->StopBits = (UINT8)1; } else if (StrCmp (StopBitsStr, "1.5") == 0) { Uart->StopBits = (UINT8)2; } else if (StrCmp (StopBitsStr, "2") == 0) { Uart->StopBits = (UINT8)3; } else { Uart->StopBits = (UINT8)Strtoi (StopBitsStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Uart; } /** Converts a text device path node to USB class device path structure. @param TextDeviceNode The input Text device path node. @param UsbClassText A pointer to USB_CLASS_TEXT structure to be integrated to USB Class Text. @return A pointer to the newly-created USB class device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * ConvertFromTextUsbClass ( IN CHAR16 *TextDeviceNode, IN USB_CLASS_TEXT *UsbClassText ) { CHAR16 *VIDStr; CHAR16 *PIDStr; CHAR16 *ClassStr; CHAR16 *SubClassStr; CHAR16 *ProtocolStr; USB_CLASS_DEVICE_PATH *UsbClass; UsbClass = (USB_CLASS_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP, (UINT16)sizeof (USB_CLASS_DEVICE_PATH) ); if (UsbClass == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)UsbClass; } VIDStr = GetNextParamStr (&TextDeviceNode); PIDStr = GetNextParamStr (&TextDeviceNode); if (UsbClassText->ClassExist) { ClassStr = GetNextParamStr (&TextDeviceNode); if (*ClassStr == '\0') { UsbClass->DeviceClass = 0xFF; } else { UsbClass->DeviceClass = (UINT8)Strtoi (ClassStr); } } else { UsbClass->DeviceClass = UsbClassText->Class; } if (UsbClassText->SubClassExist) { SubClassStr = GetNextParamStr (&TextDeviceNode); if (*SubClassStr == '\0') { UsbClass->DeviceSubClass = 0xFF; } else { UsbClass->DeviceSubClass = (UINT8)Strtoi (SubClassStr); } } else { UsbClass->DeviceSubClass = UsbClassText->SubClass; } ProtocolStr = GetNextParamStr (&TextDeviceNode); if (*VIDStr == '\0') { UsbClass->VendorId = 0xFFFF; } else { UsbClass->VendorId = (UINT16)Strtoi (VIDStr); } if (*PIDStr == '\0') { UsbClass->ProductId = 0xFFFF; } else { UsbClass->ProductId = (UINT16)Strtoi (PIDStr); } if (*ProtocolStr == '\0') { UsbClass->DeviceProtocol = 0xFF; } else { UsbClass->DeviceProtocol = (UINT8)Strtoi (ProtocolStr); } return (EFI_DEVICE_PATH_PROTOCOL *)UsbClass; } /** Converts a text device path node to USB class device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB class device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbClass ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = TRUE; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB audio device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB audio device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbAudio ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_AUDIO; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB CDC Control device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB CDC Control device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbCDCControl ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_CDCCONTROL; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB HID device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB HID device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbHID ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_HID; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB Image device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB Image device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbImage ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_IMAGE; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB Print device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB Print device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbPrinter ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_PRINTER; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB mass storage device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB mass storage device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbMassStorage ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_MASS_STORAGE; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB HUB device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB HUB device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbHub ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_HUB; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB CDC data device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB CDC data device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbCDCData ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_CDCDATA; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB smart card device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB smart card device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbSmartCard ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_SMART_CARD; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB video device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB video device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbVideo ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_VIDEO; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB diagnostic device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB diagnostic device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbDiagnostic ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_DIAGNOSTIC; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB wireless device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB wireless device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbWireless ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_WIRELESS; UsbClassText.SubClassExist = TRUE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB device firmware update device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB device firmware update device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbDeviceFirmwareUpdate ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_RESERVE; UsbClassText.SubClassExist = FALSE; UsbClassText.SubClass = USB_SUBCLASS_FW_UPDATE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB IRDA bridge device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB IRDA bridge device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbIrdaBridge ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_RESERVE; UsbClassText.SubClassExist = FALSE; UsbClassText.SubClass = USB_SUBCLASS_IRDA_BRIDGE; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB text and measurement device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB text and measurement device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbTestAndMeasurement ( IN CHAR16 *TextDeviceNode ) { USB_CLASS_TEXT UsbClassText; UsbClassText.ClassExist = FALSE; UsbClassText.Class = USB_CLASS_RESERVE; UsbClassText.SubClassExist = FALSE; UsbClassText.SubClass = USB_SUBCLASS_TEST; return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); } /** Converts a text device path node to USB WWID device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created USB WWID device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUsbWwid ( IN CHAR16 *TextDeviceNode ) { CHAR16 *VIDStr; CHAR16 *PIDStr; CHAR16 *InterfaceNumStr; CHAR16 *SerialNumberStr; USB_WWID_DEVICE_PATH *UsbWwid; UINTN SerialNumberStrLen; VIDStr = GetNextParamStr (&TextDeviceNode); PIDStr = GetNextParamStr (&TextDeviceNode); InterfaceNumStr = GetNextParamStr (&TextDeviceNode); SerialNumberStr = GetNextParamStr (&TextDeviceNode); SerialNumberStrLen = StrLen (SerialNumberStr); if ((SerialNumberStrLen >= 2) && (SerialNumberStr[0] == '\"') && (SerialNumberStr[SerialNumberStrLen - 1] == '\"') ) { SerialNumberStr[SerialNumberStrLen - 1] = '\0'; SerialNumberStr++; SerialNumberStrLen -= 2; } UsbWwid = (USB_WWID_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_USB_WWID_DP, (UINT16)(sizeof (USB_WWID_DEVICE_PATH) + SerialNumberStrLen * sizeof (CHAR16)) ); if (UsbWwid != NULL) { UsbWwid->VendorId = (UINT16)Strtoi (VIDStr); UsbWwid->ProductId = (UINT16)Strtoi (PIDStr); UsbWwid->InterfaceNumber = (UINT16)Strtoi (InterfaceNumStr); // // There is no memory allocated in UsbWwid for the '\0' in SerialNumberStr. // Therefore, the '\0' will not be copied. // CopyMem ( (UINT8 *)UsbWwid + sizeof (USB_WWID_DEVICE_PATH), SerialNumberStr, SerialNumberStrLen * sizeof (CHAR16) ); } return (EFI_DEVICE_PATH_PROTOCOL *)UsbWwid; } /** Converts a text device path node to Logic Unit device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Logic Unit device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUnit ( IN CHAR16 *TextDeviceNode ) { CHAR16 *LunStr; DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit; LunStr = GetNextParamStr (&TextDeviceNode); LogicalUnit = (DEVICE_LOGICAL_UNIT_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_DEVICE_LOGICAL_UNIT_DP, (UINT16)sizeof (DEVICE_LOGICAL_UNIT_DEVICE_PATH) ); if (LogicalUnit != NULL) { LogicalUnit->Lun = (UINT8)Strtoi (LunStr); } return (EFI_DEVICE_PATH_PROTOCOL *)LogicalUnit; } /** Converts a text device path node to iSCSI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created iSCSI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextiSCSI ( IN CHAR16 *TextDeviceNode ) { UINT16 Options; CHAR16 *NameStr; CHAR16 *PortalGroupStr; CHAR16 *LunStr; CHAR16 *HeaderDigestStr; CHAR16 *DataDigestStr; CHAR16 *AuthenticationStr; CHAR16 *ProtocolStr; CHAR8 *AsciiStr; ISCSI_DEVICE_PATH_WITH_NAME *ISCSIDevPath; UINT64 Lun; NameStr = GetNextParamStr (&TextDeviceNode); PortalGroupStr = GetNextParamStr (&TextDeviceNode); LunStr = GetNextParamStr (&TextDeviceNode); HeaderDigestStr = GetNextParamStr (&TextDeviceNode); DataDigestStr = GetNextParamStr (&TextDeviceNode); AuthenticationStr = GetNextParamStr (&TextDeviceNode); ProtocolStr = GetNextParamStr (&TextDeviceNode); ISCSIDevPath = (ISCSI_DEVICE_PATH_WITH_NAME *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_ISCSI_DP, (UINT16)(sizeof (ISCSI_DEVICE_PATH_WITH_NAME) + StrLen (NameStr)) ); if (ISCSIDevPath == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)ISCSIDevPath; } AsciiStr = ISCSIDevPath->TargetName; StrToAscii (NameStr, &AsciiStr); ISCSIDevPath->TargetPortalGroupTag = (UINT16)Strtoi (PortalGroupStr); Strtoi64 (LunStr, &Lun); WriteUnaligned64 ((UINT64 *)&ISCSIDevPath->Lun, SwapBytes64 (Lun)); Options = 0x0000; if (StrCmp (HeaderDigestStr, "CRC32C") == 0) { Options |= 0x0002; } if (StrCmp (DataDigestStr, "CRC32C") == 0) { Options |= 0x0008; } if (StrCmp (AuthenticationStr, "None") == 0) { Options |= 0x0800; } if (StrCmp (AuthenticationStr, "CHAP_UNI") == 0) { Options |= 0x1000; } ISCSIDevPath->LoginOption = (UINT16)Options; if (IS_NULL (*ProtocolStr) || (StrCmp (ProtocolStr, "TCP") == 0)) { ISCSIDevPath->NetworkProtocol = 0; } else { // // Undefined and reserved. // ISCSIDevPath->NetworkProtocol = 1; } return (EFI_DEVICE_PATH_PROTOCOL *)ISCSIDevPath; } /** Converts a text device path node to VLAN device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created VLAN device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVlan ( IN CHAR16 *TextDeviceNode ) { CHAR16 *VlanStr; VLAN_DEVICE_PATH *Vlan; VlanStr = GetNextParamStr (&TextDeviceNode); Vlan = (VLAN_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_VLAN_DP, (UINT16)sizeof (VLAN_DEVICE_PATH) ); if (Vlan != NULL) { Vlan->VlanId = (UINT16)Strtoi (VlanStr); } return (EFI_DEVICE_PATH_PROTOCOL *)Vlan; } /** Converts a text device path node to Bluetooth device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Bluetooth device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextBluetooth ( IN CHAR16 *TextDeviceNode ) { CHAR16 *BluetoothStr; BLUETOOTH_DEVICE_PATH *BluetoothDp; BluetoothStr = GetNextParamStr (&TextDeviceNode); BluetoothDp = (BLUETOOTH_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_DP, (UINT16)sizeof (BLUETOOTH_DEVICE_PATH) ); if (BluetoothDp != NULL) { StrHexToBytes ( BluetoothStr, sizeof (BLUETOOTH_ADDRESS) * 2, BluetoothDp->BD_ADDR.Address, sizeof (BLUETOOTH_ADDRESS) ); } return (EFI_DEVICE_PATH_PROTOCOL *)BluetoothDp; } /** Converts a text device path node to Wi-Fi device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Wi-Fi device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextWiFi ( IN CHAR16 *TextDeviceNode ) { CHAR16 *SSIdStr; CHAR8 AsciiStr[33]; UINTN DataLen; WIFI_DEVICE_PATH *WiFiDp; SSIdStr = GetNextParamStr (&TextDeviceNode); WiFiDp = (WIFI_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_WIFI_DP, (UINT16)sizeof (WIFI_DEVICE_PATH) ); if ((NULL != SSIdStr) && (NULL != WiFiDp)) { DataLen = StrLen (SSIdStr); if (StrLen (SSIdStr) > 32) { SSIdStr[32] = '\0'; DataLen = 32; } UnicodeStrToAsciiStrS (SSIdStr, AsciiStr, sizeof (AsciiStr)); CopyMem (WiFiDp->SSId, AsciiStr, DataLen); } return (EFI_DEVICE_PATH_PROTOCOL *)WiFiDp; } /** Converts a text device path node to Bluetooth LE device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Bluetooth LE device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextBluetoothLE ( IN CHAR16 *TextDeviceNode ) { CHAR16 *BluetoothLeAddrStr; CHAR16 *BluetoothLeAddrTypeStr; BLUETOOTH_LE_DEVICE_PATH *BluetoothLeDp; BluetoothLeAddrStr = GetNextParamStr (&TextDeviceNode); BluetoothLeAddrTypeStr = GetNextParamStr (&TextDeviceNode); BluetoothLeDp = (BLUETOOTH_LE_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_BLUETOOTH_LE_DP, (UINT16)sizeof (BLUETOOTH_LE_DEVICE_PATH) ); if (BluetoothLeDp != NULL) { BluetoothLeDp->Address.Type = (UINT8)Strtoi (BluetoothLeAddrTypeStr); StrHexToBytes ( BluetoothLeAddrStr, sizeof (BluetoothLeDp->Address.Address) * 2, BluetoothLeDp->Address.Address, sizeof (BluetoothLeDp->Address.Address) ); } return (EFI_DEVICE_PATH_PROTOCOL *)BluetoothLeDp; } /** Converts a text device path node to DNS device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created DNS device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextDns ( IN CHAR16 *TextDeviceNode ) { CHAR16 *DeviceNodeStr; CHAR16 *DeviceNodeStrPtr; UINT32 DnsServerIpCount; UINT16 DnsDeviceNodeLength; DNS_DEVICE_PATH *DnsDeviceNode; UINT32 DnsServerIpIndex; CHAR16 *DnsServerIp; // // Count the DNS server address number. // DeviceNodeStr = UefiDevicePathLibStrDuplicate (TextDeviceNode); if (DeviceNodeStr == NULL) { return NULL; } DeviceNodeStrPtr = DeviceNodeStr; DnsServerIpCount = 0; while (DeviceNodeStrPtr != NULL && *DeviceNodeStrPtr != '\0') { GetNextParamStr (&DeviceNodeStrPtr); DnsServerIpCount++; } FreePool (DeviceNodeStr); DeviceNodeStr = NULL; // // One or more instances of the DNS server address in EFI_IP_ADDRESS, // otherwise, NULL will be returned. // if (DnsServerIpCount == 0) { return NULL; } // // Create the DNS DeviceNode. // DnsDeviceNodeLength = (UINT16)(sizeof (EFI_DEVICE_PATH_PROTOCOL) + sizeof (UINT8) + DnsServerIpCount * sizeof (EFI_IP_ADDRESS)); DnsDeviceNode = (DNS_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_DNS_DP, DnsDeviceNodeLength ); if (DnsDeviceNode == NULL) { return NULL; } // // Confirm the DNS server address is IPv4 or IPv6 type. // DeviceNodeStrPtr = TextDeviceNode; while (!IS_NULL (*DeviceNodeStrPtr)) { if (*DeviceNodeStrPtr == '.') { DnsDeviceNode->IsIPv6 = 0x00; break; } if (*DeviceNodeStrPtr == ':') { DnsDeviceNode->IsIPv6 = 0x01; break; } DeviceNodeStrPtr++; } for (DnsServerIpIndex = 0; DnsServerIpIndex < DnsServerIpCount; DnsServerIpIndex++) { DnsServerIp = GetNextParamStr (&TextDeviceNode); if (DnsDeviceNode->IsIPv6 == 0x00) { StrToIpv4Address (DnsServerIp, NULL, &(DnsDeviceNode->DnsServerIp[DnsServerIpIndex].v4), NULL); } else { StrToIpv6Address (DnsServerIp, NULL, &(DnsDeviceNode->DnsServerIp[DnsServerIpIndex].v6), NULL); } } return (EFI_DEVICE_PATH_PROTOCOL *)DnsDeviceNode; } /** Converts a text device path node to URI device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created URI device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextUri ( IN CHAR16 *TextDeviceNode ) { CHAR16 *UriStr; UINTN UriLength; URI_DEVICE_PATH *Uri; UriStr = GetNextParamStr (&TextDeviceNode); UriLength = StrnLenS (UriStr, MAX_UINT16 - sizeof (URI_DEVICE_PATH)); Uri = (URI_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_URI_DP, (UINT16)(sizeof (URI_DEVICE_PATH) + UriLength) ); while (Uri != NULL && UriLength-- != 0) { Uri->Uri[UriLength] = (CHAR8)UriStr[UriLength]; } return (EFI_DEVICE_PATH_PROTOCOL *)Uri; } /** Converts a media text device path node to media device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to media device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextMediaPath ( IN CHAR16 *TextDeviceNode ) { return DevPathFromTextGenericPath (MEDIA_DEVICE_PATH, TextDeviceNode); } /** Converts a text device path node to HD device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created HD device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextHD ( IN CHAR16 *TextDeviceNode ) { CHAR16 *PartitionStr; CHAR16 *TypeStr; CHAR16 *SignatureStr; CHAR16 *StartStr; CHAR16 *SizeStr; UINT32 Signature32; HARDDRIVE_DEVICE_PATH *Hd; PartitionStr = GetNextParamStr (&TextDeviceNode); TypeStr = GetNextParamStr (&TextDeviceNode); SignatureStr = GetNextParamStr (&TextDeviceNode); StartStr = GetNextParamStr (&TextDeviceNode); SizeStr = GetNextParamStr (&TextDeviceNode); Hd = (HARDDRIVE_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_HARDDRIVE_DP, (UINT16)sizeof (HARDDRIVE_DEVICE_PATH) ); if (Hd == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Hd; } Hd->PartitionNumber = (UINT32)Strtoi (PartitionStr); ZeroMem (Hd->Signature, 16); Hd->MBRType = (UINT8)0; if (StrCmp (TypeStr, "MBR") == 0) { Hd->SignatureType = SIGNATURE_TYPE_MBR; Hd->MBRType = 0x01; Signature32 = (UINT32)Strtoi (SignatureStr); CopyMem (Hd->Signature, &Signature32, sizeof (UINT32)); } else if (StrCmp (TypeStr, "GPT") == 0) { Hd->SignatureType = SIGNATURE_TYPE_GUID; Hd->MBRType = 0x02; StrToGuid (SignatureStr, (EFI_GUID *)Hd->Signature); } else { Hd->SignatureType = (UINT8)Strtoi (TypeStr); } Strtoi64 (StartStr, &Hd->PartitionStart); Strtoi64 (SizeStr, &Hd->PartitionSize); return (EFI_DEVICE_PATH_PROTOCOL *)Hd; } /** Converts a text device path node to CDROM device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created CDROM device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextCDROM ( IN CHAR16 *TextDeviceNode ) { CHAR16 *EntryStr; CHAR16 *StartStr; CHAR16 *SizeStr; CDROM_DEVICE_PATH *CDROMDevPath; EntryStr = GetNextParamStr (&TextDeviceNode); StartStr = GetNextParamStr (&TextDeviceNode); SizeStr = GetNextParamStr (&TextDeviceNode); CDROMDevPath = (CDROM_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_CDROM_DP, (UINT16)sizeof (CDROM_DEVICE_PATH) ); if (CDROMDevPath != NULL) { CDROMDevPath->BootEntry = (UINT32)Strtoi (EntryStr); Strtoi64 (StartStr, &CDROMDevPath->PartitionStart); Strtoi64 (SizeStr, &CDROMDevPath->PartitionSize); } return (EFI_DEVICE_PATH_PROTOCOL *)CDROMDevPath; } /** Converts a text device path node to Vendor-defined media device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Vendor-defined media device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVenMedia ( IN CHAR16 *TextDeviceNode ) { return ConvertFromTextVendor ( TextDeviceNode, MEDIA_DEVICE_PATH, MEDIA_VENDOR_DP ); } /** Converts a text device path node to File device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created File device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFilePath ( IN CHAR16 *TextDeviceNode ) { FILEPATH_DEVICE_PATH *File; #ifndef __FreeBSD__ File = (FILEPATH_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP, (UINT16)(sizeof (FILEPATH_DEVICE_PATH) + StrLen (TextDeviceNode) * 2) ); if (File != NULL) { StrCpyS (File->PathName, StrLen (TextDeviceNode) + 1, TextDeviceNode); } #else size_t len = (sizeof (FILEPATH_DEVICE_PATH) + StrLen (TextDeviceNode) * 2); efi_char *v; File = (FILEPATH_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP, (UINT16)len ); if (File != NULL) { v = File->PathName; utf8_to_ucs2(TextDeviceNode, &v, &len); } #endif return (EFI_DEVICE_PATH_PROTOCOL *)File; } /** Converts a text device path node to Media protocol device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Media protocol device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextMedia ( IN CHAR16 *TextDeviceNode ) { CHAR16 *GuidStr; MEDIA_PROTOCOL_DEVICE_PATH *Media; GuidStr = GetNextParamStr (&TextDeviceNode); Media = (MEDIA_PROTOCOL_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_PROTOCOL_DP, (UINT16)sizeof (MEDIA_PROTOCOL_DEVICE_PATH) ); if (Media != NULL) { StrToGuid (GuidStr, &Media->Protocol); } return (EFI_DEVICE_PATH_PROTOCOL *)Media; } /** Converts a text device path node to firmware volume device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created firmware volume device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFv ( IN CHAR16 *TextDeviceNode ) { CHAR16 *GuidStr; MEDIA_FW_VOL_DEVICE_PATH *Fv; GuidStr = GetNextParamStr (&TextDeviceNode); Fv = (MEDIA_FW_VOL_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_VOL_DP, (UINT16)sizeof (MEDIA_FW_VOL_DEVICE_PATH) ); if (Fv != NULL) { StrToGuid (GuidStr, &Fv->FvName); } return (EFI_DEVICE_PATH_PROTOCOL *)Fv; } /** Converts a text device path node to firmware file device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created firmware file device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextFvFile ( IN CHAR16 *TextDeviceNode ) { CHAR16 *GuidStr; MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFile; GuidStr = GetNextParamStr (&TextDeviceNode); FvFile = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP, (UINT16)sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH) ); if (FvFile != NULL) { StrToGuid (GuidStr, &FvFile->FvFileName); } return (EFI_DEVICE_PATH_PROTOCOL *)FvFile; } /** Converts a text device path node to text relative offset device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextRelativeOffsetRange ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingOffsetStr; CHAR16 *EndingOffsetStr; MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset; StartingOffsetStr = GetNextParamStr (&TextDeviceNode); EndingOffsetStr = GetNextParamStr (&TextDeviceNode); Offset = (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RELATIVE_OFFSET_RANGE_DP, (UINT16)sizeof (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH) ); if (Offset != NULL) { Strtoi64 (StartingOffsetStr, &Offset->StartingOffset); Strtoi64 (EndingOffsetStr, &Offset->EndingOffset); } return (EFI_DEVICE_PATH_PROTOCOL *)Offset; } /** Converts a text device path node to text ram disk device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextRamDisk ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingAddrStr; CHAR16 *EndingAddrStr; CHAR16 *TypeGuidStr; CHAR16 *InstanceStr; MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; UINT64 StartingAddr; UINT64 EndingAddr; StartingAddrStr = GetNextParamStr (&TextDeviceNode); EndingAddrStr = GetNextParamStr (&TextDeviceNode); InstanceStr = GetNextParamStr (&TextDeviceNode); TypeGuidStr = GetNextParamStr (&TextDeviceNode); RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, (UINT16)sizeof (MEDIA_RAM_DISK_DEVICE_PATH) ); if (RamDisk != NULL) { Strtoi64 (StartingAddrStr, &StartingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->StartingAddr[0]), StartingAddr); Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16)Strtoi (InstanceStr); StrToGuid (TypeGuidStr, &RamDisk->TypeGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)RamDisk; } /** Converts a text device path node to text virtual disk device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVirtualDisk ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingAddrStr; CHAR16 *EndingAddrStr; CHAR16 *InstanceStr; MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; UINT64 StartingAddr; UINT64 EndingAddr; StartingAddrStr = GetNextParamStr (&TextDeviceNode); EndingAddrStr = GetNextParamStr (&TextDeviceNode); InstanceStr = GetNextParamStr (&TextDeviceNode); RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, (UINT16)sizeof (MEDIA_RAM_DISK_DEVICE_PATH) ); if (RamDisk != NULL) { Strtoi64 (StartingAddrStr, &StartingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->StartingAddr[0]), StartingAddr); Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16)Strtoi (InstanceStr); CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)RamDisk; } /** Converts a text device path node to text virtual cd device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextVirtualCd ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingAddrStr; CHAR16 *EndingAddrStr; CHAR16 *InstanceStr; MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; UINT64 StartingAddr; UINT64 EndingAddr; StartingAddrStr = GetNextParamStr (&TextDeviceNode); EndingAddrStr = GetNextParamStr (&TextDeviceNode); InstanceStr = GetNextParamStr (&TextDeviceNode); RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, (UINT16)sizeof (MEDIA_RAM_DISK_DEVICE_PATH) ); if (RamDisk != NULL) { Strtoi64 (StartingAddrStr, &StartingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->StartingAddr[0]), StartingAddr); Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16)Strtoi (InstanceStr); CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)RamDisk; } /** Converts a text device path node to text persistent virtual disk device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPersistentVirtualDisk ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingAddrStr; CHAR16 *EndingAddrStr; CHAR16 *InstanceStr; MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; UINT64 StartingAddr; UINT64 EndingAddr; StartingAddrStr = GetNextParamStr (&TextDeviceNode); EndingAddrStr = GetNextParamStr (&TextDeviceNode); InstanceStr = GetNextParamStr (&TextDeviceNode); RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, (UINT16)sizeof (MEDIA_RAM_DISK_DEVICE_PATH) ); if (RamDisk != NULL) { Strtoi64 (StartingAddrStr, &StartingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->StartingAddr[0]), StartingAddr); Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16)Strtoi (InstanceStr); CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)RamDisk; } /** Converts a text device path node to text persistent virtual cd device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created Text device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextPersistentVirtualCd ( IN CHAR16 *TextDeviceNode ) { CHAR16 *StartingAddrStr; CHAR16 *EndingAddrStr; CHAR16 *InstanceStr; MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; UINT64 StartingAddr; UINT64 EndingAddr; StartingAddrStr = GetNextParamStr (&TextDeviceNode); EndingAddrStr = GetNextParamStr (&TextDeviceNode); InstanceStr = GetNextParamStr (&TextDeviceNode); RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *)CreateDeviceNode ( MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, (UINT16)sizeof (MEDIA_RAM_DISK_DEVICE_PATH) ); if (RamDisk != NULL) { Strtoi64 (StartingAddrStr, &StartingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->StartingAddr[0]), StartingAddr); Strtoi64 (EndingAddrStr, &EndingAddr); WriteUnaligned64 ((UINT64 *)&(RamDisk->EndingAddr[0]), EndingAddr); RamDisk->Instance = (UINT16)Strtoi (InstanceStr); CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid); } return (EFI_DEVICE_PATH_PROTOCOL *)RamDisk; } /** Converts a BBS text device path node to BBS device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to BBS device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextBbsPath ( IN CHAR16 *TextDeviceNode ) { return DevPathFromTextGenericPath (BBS_DEVICE_PATH, TextDeviceNode); } /** Converts a text device path node to BIOS Boot Specification device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created BIOS Boot Specification device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextBBS ( IN CHAR16 *TextDeviceNode ) { CHAR16 *TypeStr; CHAR16 *IdStr; CHAR16 *FlagsStr; CHAR8 *AsciiStr; BBS_BBS_DEVICE_PATH *Bbs; TypeStr = GetNextParamStr (&TextDeviceNode); IdStr = GetNextParamStr (&TextDeviceNode); FlagsStr = GetNextParamStr (&TextDeviceNode); Bbs = (BBS_BBS_DEVICE_PATH *)CreateDeviceNode ( BBS_DEVICE_PATH, BBS_BBS_DP, (UINT16)(sizeof (BBS_BBS_DEVICE_PATH) + StrLen (IdStr)) ); if (Bbs == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Bbs; } if (StrCmp (TypeStr, "Floppy") == 0) { Bbs->DeviceType = BBS_TYPE_FLOPPY; } else if (StrCmp (TypeStr, "HD") == 0) { Bbs->DeviceType = BBS_TYPE_HARDDRIVE; } else if (StrCmp (TypeStr, "CDROM") == 0) { Bbs->DeviceType = BBS_TYPE_CDROM; } else if (StrCmp (TypeStr, "PCMCIA") == 0) { Bbs->DeviceType = BBS_TYPE_PCMCIA; } else if (StrCmp (TypeStr, "USB") == 0) { Bbs->DeviceType = BBS_TYPE_USB; } else if (StrCmp (TypeStr, "Network") == 0) { Bbs->DeviceType = BBS_TYPE_EMBEDDED_NETWORK; } else { Bbs->DeviceType = (UINT16)Strtoi (TypeStr); } AsciiStr = Bbs->String; StrToAscii (IdStr, &AsciiStr); Bbs->StatusFlag = (UINT16)Strtoi (FlagsStr); return (EFI_DEVICE_PATH_PROTOCOL *)Bbs; } /** Converts a text device path node to SATA device path structure. @param TextDeviceNode The input Text device path node. @return A pointer to the newly-created SATA device path structure. **/ static EFI_DEVICE_PATH_PROTOCOL * DevPathFromTextSata ( IN CHAR16 *TextDeviceNode ) { SATA_DEVICE_PATH *Sata; CHAR16 *Param1; CHAR16 *Param2; CHAR16 *Param3; Param1 = GetNextParamStr (&TextDeviceNode); Param2 = GetNextParamStr (&TextDeviceNode); Param3 = GetNextParamStr (&TextDeviceNode); Sata = (SATA_DEVICE_PATH *)CreateDeviceNode ( MESSAGING_DEVICE_PATH, MSG_SATA_DP, (UINT16)sizeof (SATA_DEVICE_PATH) ); if (Sata == NULL) { return (EFI_DEVICE_PATH_PROTOCOL *)Sata; } Sata->HBAPortNumber = (UINT16)Strtoi (Param1); // // According to UEFI spec, if PMPN is not provided, the default is 0xFFFF // if (*Param2 == '\0' ) { Sata->PortMultiplierPortNumber = 0xFFFF; } else { Sata->PortMultiplierPortNumber = (UINT16)Strtoi (Param2); } Sata->Lun = (UINT16)Strtoi (Param3); return (EFI_DEVICE_PATH_PROTOCOL *)Sata; } GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevPathFromTextTable[] = { { "Path", DevPathFromTextPath }, { "HardwarePath", DevPathFromTextHardwarePath }, { "Pci", DevPathFromTextPci }, { "PcCard", DevPathFromTextPcCard }, { "MemoryMapped", DevPathFromTextMemoryMapped }, { "VenHw", DevPathFromTextVenHw }, { "Ctrl", DevPathFromTextCtrl }, { "BMC", DevPathFromTextBmc }, { "AcpiPath", DevPathFromTextAcpiPath }, { "Acpi", DevPathFromTextAcpi }, { "PciRoot", DevPathFromTextPciRoot }, { "PcieRoot", DevPathFromTextPcieRoot }, { "Floppy", DevPathFromTextFloppy }, { "Keyboard", DevPathFromTextKeyboard }, { "Serial", DevPathFromTextSerial }, { "ParallelPort", DevPathFromTextParallelPort }, { "AcpiEx", DevPathFromTextAcpiEx }, { "AcpiExp", DevPathFromTextAcpiExp }, { "AcpiAdr", DevPathFromTextAcpiAdr }, { "Msg", DevPathFromTextMsg }, { "Ata", DevPathFromTextAta }, { "Scsi", DevPathFromTextScsi }, { "Fibre", DevPathFromTextFibre }, { "FibreEx", DevPathFromTextFibreEx }, { "I1394", DevPathFromText1394 }, { "USB", DevPathFromTextUsb }, { "I2O", DevPathFromTextI2O }, { "Infiniband", DevPathFromTextInfiniband }, { "VenMsg", DevPathFromTextVenMsg }, { "VenPcAnsi", DevPathFromTextVenPcAnsi }, { "VenVt100", DevPathFromTextVenVt100 }, { "VenVt100Plus", DevPathFromTextVenVt100Plus }, { "VenUtf8", DevPathFromTextVenUtf8 }, { "UartFlowCtrl", DevPathFromTextUartFlowCtrl }, { "SAS", DevPathFromTextSAS }, { "SasEx", DevPathFromTextSasEx }, { "NVMe", DevPathFromTextNVMe }, { "UFS", DevPathFromTextUfs }, { "SD", DevPathFromTextSd }, { "eMMC", DevPathFromTextEmmc }, { "DebugPort", DevPathFromTextDebugPort }, { "MAC", DevPathFromTextMAC }, { "IPv4", DevPathFromTextIPv4 }, { "IPv6", DevPathFromTextIPv6 }, { "Uart", DevPathFromTextUart }, { "UsbClass", DevPathFromTextUsbClass }, { "UsbAudio", DevPathFromTextUsbAudio }, { "UsbCDCControl", DevPathFromTextUsbCDCControl }, { "UsbHID", DevPathFromTextUsbHID }, { "UsbImage", DevPathFromTextUsbImage }, { "UsbPrinter", DevPathFromTextUsbPrinter }, { "UsbMassStorage", DevPathFromTextUsbMassStorage }, { "UsbHub", DevPathFromTextUsbHub }, { "UsbCDCData", DevPathFromTextUsbCDCData }, { "UsbSmartCard", DevPathFromTextUsbSmartCard }, { "UsbVideo", DevPathFromTextUsbVideo }, { "UsbDiagnostic", DevPathFromTextUsbDiagnostic }, { "UsbWireless", DevPathFromTextUsbWireless }, { "UsbDeviceFirmwareUpdate", DevPathFromTextUsbDeviceFirmwareUpdate }, { "UsbIrdaBridge", DevPathFromTextUsbIrdaBridge }, { "UsbTestAndMeasurement", DevPathFromTextUsbTestAndMeasurement }, { "UsbWwid", DevPathFromTextUsbWwid }, { "Unit", DevPathFromTextUnit }, { "iSCSI", DevPathFromTextiSCSI }, { "Vlan", DevPathFromTextVlan }, { "Dns", DevPathFromTextDns }, { "Uri", DevPathFromTextUri }, { "Bluetooth", DevPathFromTextBluetooth }, { "Wi-Fi", DevPathFromTextWiFi }, { "BluetoothLE", DevPathFromTextBluetoothLE }, { "MediaPath", DevPathFromTextMediaPath }, { "HD", DevPathFromTextHD }, { "CDROM", DevPathFromTextCDROM }, { "VenMedia", DevPathFromTextVenMedia }, { "Media", DevPathFromTextMedia }, { "Fv", DevPathFromTextFv }, { "FvFile", DevPathFromTextFvFile }, { "File", DevPathFromTextFilePath }, { "Offset", DevPathFromTextRelativeOffsetRange }, { "RamDisk", DevPathFromTextRamDisk }, { "VirtualDisk", DevPathFromTextVirtualDisk }, { "VirtualCD", DevPathFromTextVirtualCd }, { "PersistentVirtualDisk", DevPathFromTextPersistentVirtualDisk }, { "PersistentVirtualCD", DevPathFromTextPersistentVirtualCd }, { "BbsPath", DevPathFromTextBbsPath }, { "BBS", DevPathFromTextBBS }, { "Sata", DevPathFromTextSata }, { NULL, NULL } }; /** Convert text to the binary representation of a device node. @param TextDeviceNode TextDeviceNode points to the text representation of a device node. Conversion starts with the first character and continues until the first non-device node character. @return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was insufficient memory or text unsupported. **/ static EFI_DEVICE_PATH_PROTOCOL * EFIAPI UefiDevicePathLibConvertTextToDeviceNode ( IN CONST CHAR16 *TextDeviceNode ) { DEVICE_PATH_FROM_TEXT FromText; CHAR16 *ParamStr; EFI_DEVICE_PATH_PROTOCOL *DeviceNode; CHAR16 *DeviceNodeStr; UINTN Index; if ((TextDeviceNode == NULL) || (IS_NULL (*TextDeviceNode))) { return NULL; } ParamStr = NULL; FromText = NULL; DeviceNodeStr = UefiDevicePathLibStrDuplicate (TextDeviceNode); ASSERT (DeviceNodeStr != NULL); for (Index = 0; mUefiDevicePathLibDevPathFromTextTable[Index].Function != NULL; Index++) { ParamStr = GetParamByNodeName (DeviceNodeStr, mUefiDevicePathLibDevPathFromTextTable[Index].DevicePathNodeText); if (ParamStr != NULL) { FromText = mUefiDevicePathLibDevPathFromTextTable[Index].Function; break; } } if (FromText == NULL) { // // A file path // FromText = DevPathFromTextFilePath; DeviceNode = FromText (DeviceNodeStr); } else { DeviceNode = FromText (ParamStr); FreePool (ParamStr); } FreePool (DeviceNodeStr); return DeviceNode; } /** Convert text to the binary representation of a device path. @param TextDevicePath TextDevicePath points to the text representation of a device path. Conversion starts with the first character and continues until the first non-device node character. @return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or there was insufficient memory. **/ static EFI_DEVICE_PATH_PROTOCOL * EFIAPI UefiDevicePathLibConvertTextToDevicePath ( IN CONST CHAR16 *TextDevicePath ) { EFI_DEVICE_PATH_PROTOCOL *DeviceNode; EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; CHAR16 *DevicePathStr; CHAR16 *Str; CHAR16 *DeviceNodeStr; BOOLEAN IsInstanceEnd; EFI_DEVICE_PATH_PROTOCOL *DevicePath; if ((TextDevicePath == NULL) || (IS_NULL (*TextDevicePath))) { return NULL; } DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)AllocatePool (END_DEVICE_PATH_LENGTH); if (DevicePath == NULL) { ASSERT (DevicePath != NULL); return NULL; } SetDevicePathEndNode (DevicePath); DevicePathStr = UefiDevicePathLibStrDuplicate (TextDevicePath); if (DevicePathStr == NULL) { return NULL; } Str = DevicePathStr; while ((DeviceNodeStr = GetNextDeviceNodeStr (&Str, &IsInstanceEnd)) != NULL) { DeviceNode = UefiDevicePathLibConvertTextToDeviceNode (DeviceNodeStr); NewDevicePath = AppendDevicePathNode (DevicePath, DeviceNode); if (DevicePath != NULL) { FreePool (DevicePath); } if (DeviceNode != NULL) { FreePool (DeviceNode); } DevicePath = NewDevicePath; if (IsInstanceEnd) { DeviceNode = (EFI_DEVICE_PATH_PROTOCOL *)AllocatePool (END_DEVICE_PATH_LENGTH); if (DeviceNode == NULL) { ASSERT (DeviceNode != NULL); return NULL; } SetDevicePathEndNode (DeviceNode); DeviceNode->SubType = END_INSTANCE_DEVICE_PATH_SUBTYPE; NewDevicePath = AppendDevicePathNode (DevicePath, DeviceNode); if (DevicePath != NULL) { FreePool (DevicePath); } if (DeviceNode != NULL) { FreePool (DeviceNode); } DevicePath = NewDevicePath; } } FreePool (DevicePathStr); return DevicePath; } ssize_t efidp_parse_device_path(char *path, efidp out, size_t max) { EFI_DEVICE_PATH_PROTOCOL *dp; UINTN len; dp = UefiDevicePathLibConvertTextToDevicePath (path); if (dp == NULL) return -1; len = GetDevicePathSize(dp); if (len > max) { free(dp); return -1; } memcpy(out, dp, len); free(dp); return len; } diff --git a/lib/libefivar/efivar.c b/lib/libefivar/efivar.c index a7cf13055bfe..c91bf5ea71bb 100644 --- a/lib/libefivar/efivar.c +++ b/lib/libefivar/efivar.c @@ -1,389 +1,388 @@ /*- * Copyright (c) 2016 Netflix, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ -#include #include #include #include #include #include #include #include #include #include #include "efichar.h" static int efi_fd = -2; #define Z { 0 } const efi_guid_t efi_guid_empty = Z; static struct guid_table guid_tbl [] = { { "00000000-0000-0000-0000-000000000000", "zero", Z }, { "093e0fae-a6c4-4f50-9f1b-d41e2b89c19a", "sha512", Z }, { "0abba7dc-e516-4167-bbf5-4d9d1c739416", "redhat", Z }, { "0b6e5233-a65c-44c9-9407-d9ab83bfc8bd", "sha224", Z }, { "126a762d-5758-4fca-8531-201a7f57f850", "lenovo_boot_menu", Z }, { "3bd2a492-96c0-4079-b420-fcf98ef103ed", "x509_sha256", Z }, { "3c5766e8-269c-4e34-aa14-ed776e85b3b6", "rsa2048", Z }, { "3CC24E96-22C7-41D8-8863-8E39DCDCC2CF", "lenovo", Z }, { "3f7e615b-0d45-4f80-88dc-26b234958560", "lenovo_diag", Z }, { "446dbf63-2502-4cda-bcfa-2465d2b0fe9d", "x509_sha512", Z }, { "4aafd29d-68df-49ee-8aa9-347d375665a7", "pkcs7_cert", Z }, { "605dab50-e046-4300-abb6-3dd810dd8b23", "shim", Z }, { "665d3f60-ad3e-4cad-8e26-db46eee9f1b5", "lenovo_rescue", Z }, { "67f8444f-8743-48f1-a328-1eaab8736080", "rsa2048_sha1", Z }, { "7076876e-80c2-4ee6-aad2-28b349a6865b", "x509_sha384", Z }, { "721c8b66-426c-4e86-8e99-3457c46ab0b9", "lenovo_setup", Z }, { "77fa9abd-0359-4d32-bd60-28f4e78f784b", "microsoft", Z }, { "7FACC7B6-127F-4E9C-9C5D-080F98994345", "lenovo_2", Z }, { "826ca512-cf10-4ac9-b187-be01496631bd", "sha1", Z }, { "82988420-7467-4490-9059-feb448dd1963", "lenovo_me_config", Z }, { "8be4df61-93ca-11d2-aa0d-00e098032b8c", "global", Z }, { "a5c059a1-94e4-4aa7-87b5-ab155c2bf072", "x509_cert", Z }, { "a7717414-c616-4977-9420-844712a735bf", "rsa2048_sha256_cert", Z }, { "a7d8d9a6-6ab0-4aeb-ad9d-163e59a7a380", "lenovo_diag_splash", Z }, { "ade9e48f-9cb8-98e6-31af-b4e6009e2fe3", "redhat_2", Z }, { "bc7838d2-0f82-4d60-8316-c068ee79d25b", "lenovo_msg", Z }, { "c1c41626-504c-4092-aca9-41f936934328", "sha256", Z }, { "c57ad6b7-0515-40a8-9d21-551652854e37", "shell", Z }, { "d719b2cb-3d3a-4596-a3bc-dad00e67656f", "security", Z }, { "e2b36190-879b-4a3d-ad8d-f2e7bba32784", "rsa2048_sha256", Z }, { "ff3e5307-9fd0-48c9-85f1-8ad56c701e01", "sha384", Z }, { "f46ee6f4-4785-43a3-923d-7f786c3c8479", "lenovo_startup_interrupt", Z }, }; int efi_str_to_guid(const char *s, efi_guid_t *guid) { uint32_t status; /* knows efi_guid_t is binary compatible with uuid_t */ uuid_from_string(s, (uuid_t *)guid, &status); return (status == uuid_s_ok ? 0 : -1); } static void efi_guid_tbl_compile(void) { size_t i; static bool done = false; struct guid_table *ent; if (done) return; for (i = 0; i < nitems(guid_tbl); i++) { ent = &guid_tbl[i]; if (efi_str_to_guid(ent->uuid_str, &ent->guid) != 0) fprintf(stderr, "Can't convert %s to a guid for %s\n", ent->uuid_str, ent->name); } done = true; } int efi_known_guid(struct guid_table **tbl) { *tbl = guid_tbl; return (nitems(guid_tbl)); } static int efi_open_dev(void) { if (efi_fd == -2) efi_fd = open("/dev/efi", O_RDWR); if (efi_fd < 0) efi_fd = -1; else efi_guid_tbl_compile(); return (efi_fd); } static void efi_var_reset(struct efi_var_ioctl *var) { var->name = NULL; var->namesize = 0; memset(&var->vendor, 0, sizeof(var->vendor)); var->attrib = 0; var->data = NULL; var->datasize = 0; } static int rv_to_linux_rv(int rv) { if (rv == 0) rv = 1; else rv = -errno; return (rv); } int efi_append_variable(efi_guid_t guid, const char *name, uint8_t *data, size_t data_size, uint32_t attributes) { return efi_set_variable(guid, name, data, data_size, attributes | EFI_VARIABLE_APPEND_WRITE); } int efi_del_variable(efi_guid_t guid, const char *name) { /* data_size of 0 deletes the variable */ return efi_set_variable(guid, name, NULL, 0, 0); } int efi_get_variable(efi_guid_t guid, const char *name, uint8_t **data, size_t *data_size, uint32_t *attributes) { struct efi_var_ioctl var; int rv; static uint8_t buf[1024*32]; if (efi_open_dev() == -1) return -1; efi_var_reset(&var); rv = utf8_to_ucs2(name, &var.name, &var.namesize); if (rv != 0) goto errout; var.vendor = guid; var.data = buf; var.datasize = sizeof(buf); rv = ioctl(efi_fd, EFIIOC_VAR_GET, &var); if (data_size != NULL) *data_size = var.datasize; if (data != NULL) *data = buf; if (attributes != NULL) *attributes = var.attrib; errout: free(var.name); return rv_to_linux_rv(rv); } int efi_get_variable_attributes(efi_guid_t guid, const char *name, uint32_t *attributes) { /* Make sure this construct works -- I think it will fail */ return efi_get_variable(guid, name, NULL, NULL, attributes); } int efi_get_variable_size(efi_guid_t guid, const char *name, size_t *size) { /* XXX check to make sure this matches the linux value */ *size = 0; return efi_get_variable(guid, name, NULL, size, NULL); } int efi_get_next_variable_name(efi_guid_t **guid, char **name) { struct efi_var_ioctl var; int rv; static efi_char *buf; static size_t buflen = 256 * sizeof(efi_char); static efi_guid_t retguid; size_t size; if (efi_open_dev() == -1) return -1; /* * Always allocate enough for an extra NUL on the end, but don't tell * the IOCTL about it so we can NUL terminate the name before converting * it to UTF8. */ if (buf == NULL) buf = malloc(buflen + sizeof(efi_char)); again: efi_var_reset(&var); var.name = buf; var.namesize = buflen; if (*name == NULL) { *buf = 0; /* GUID zeroed in var_reset */ } else { rv = utf8_to_ucs2(*name, &var.name, &size); if (rv != 0) goto errout; var.vendor = **guid; } rv = ioctl(efi_fd, EFIIOC_VAR_NEXT, &var); if (rv == 0 && var.name == NULL) { /* * Variable name not long enough, so allocate more space for the * name and try again. As above, mind the NUL we add. */ void *new = realloc(buf, var.namesize + sizeof(efi_char)); if (new == NULL) { rv = -1; errno = ENOMEM; goto done; } buflen = var.namesize; buf = new; goto again; } if (rv == 0) { free(*name); /* Free last name, to avoid leaking */ *name = NULL; /* Force ucs2_to_utf8 to malloc new space */ var.name[var.namesize / sizeof(efi_char)] = 0; /* EFI doesn't NUL terminate */ rv = ucs2_to_utf8(var.name, name); if (rv != 0) goto errout; retguid = var.vendor; *guid = &retguid; } errout: /* XXX The linux interface expects name to be a static buffer -- fix or leak memory? */ /* XXX for the moment, we free just before we'd leak, but still leak last one */ done: if (rv != 0 && errno == ENOENT) { errno = 0; free(*name); /* Free last name, to avoid leaking */ return 0; } return (rv_to_linux_rv(rv)); } int efi_guid_cmp(const efi_guid_t *guid1, const efi_guid_t *guid2) { return (memcmp(guid1, guid2, sizeof(*guid1))); } int efi_guid_is_zero(const efi_guid_t *guid) { return (memcmp(guid, &efi_guid_empty, sizeof(*guid)) == 0); } int efi_guid_to_name(efi_guid_t *guid, char **name) { size_t i; efi_guid_tbl_compile(); for (i = 0; i < nitems(guid_tbl); i++) { if (memcmp(guid, &guid_tbl[i].guid, sizeof(*guid)) == 0) { *name = strdup(guid_tbl[i].name); return (0); } } return (efi_guid_to_str(guid, name)); } int efi_guid_to_symbol(efi_guid_t *guid __unused, char **symbol __unused) { /* * Unsure what this is used for, efibootmgr doesn't use it. * Leave unimplemented for now. */ return -1; } int efi_guid_to_str(const efi_guid_t *guid, char **sp) { uint32_t status; /* knows efi_guid_t is binary compatible with uuid_t */ uuid_to_string((const uuid_t *)guid, sp, &status); return (status == uuid_s_ok ? 0 : -1); } int efi_name_to_guid(const char *name, efi_guid_t *guid) { size_t i; efi_guid_tbl_compile(); for (i = 0; i < nitems(guid_tbl); i++) { if (strcmp(name, guid_tbl[i].name) == 0) { *guid = guid_tbl[i].guid; return (0); } } return (efi_str_to_guid(name, guid)); } int efi_set_variable(efi_guid_t guid, const char *name, uint8_t *data, size_t data_size, uint32_t attributes) { struct efi_var_ioctl var; int rv; if (efi_open_dev() == -1) return -1; efi_var_reset(&var); rv = utf8_to_ucs2(name, &var.name, &var.namesize); if (rv != 0) goto errout; var.vendor = guid; var.data = data; var.datasize = data_size; var.attrib = attributes; rv = ioctl(efi_fd, EFIIOC_VAR_SET, &var); errout: free(var.name); return rv; } int efi_variables_supported(void) { return efi_open_dev() != -1; } diff --git a/lib/libefivar/uefi-dputil.c b/lib/libefivar/uefi-dputil.c index 7969054e2ce2..6e8f3aeca2ce 100644 --- a/lib/libefivar/uefi-dputil.c +++ b/lib/libefivar/uefi-dputil.c @@ -1,633 +1,632 @@ /*- * Copyright (c) 2017 Netflix, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Routines to format EFI_DEVICE_PATHs from the UEFI standard. Much of * this file is taken from EDK2 and rototilled. */ -#include #include #include #include #include #include #include "efi-osdep.h" #include "uefi-dplib.h" /* XXX maybe I should include the entire DevicePathUtiltiies.c and ifdef out what we don't use */ /* * Taken from MdePkg/Library/UefiDevicePathLib/DevicePathUtilities.c * hash a11928f3310518ab1c6fd34e8d0fdbb72de9602c 2017-Mar-01 */ /** @file Device Path services. The thing to remember is device paths are built out of nodes. The device path is terminated by an end node that is length sizeof(EFI_DEVICE_PATH_PROTOCOL). That would be why there is sizeof(EFI_DEVICE_PATH_PROTOCOL) all over this file. The only place where multi-instance device paths are supported is in environment varibles. Multi-instance device paths should never be placed on a Handle. Copyright (c) 2006 - 2016, 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. **/ // // Template for an end-of-device path node. // static CONST EFI_DEVICE_PATH_PROTOCOL mUefiDevicePathLibEndDevicePath = { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { END_DEVICE_PATH_LENGTH, 0 } }; /** Returns the size of a device path in bytes. This function returns the size, in bytes, of the device path data structure specified by DevicePath including the end of device path node. If DevicePath is NULL or invalid, then 0 is returned. @param DevicePath A pointer to a device path data structure. @retval 0 If DevicePath is NULL or invalid. @retval Others The size of a device path in bytes. **/ UINTN EFIAPI GetDevicePathSize ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath ) { CONST EFI_DEVICE_PATH_PROTOCOL *Start; if (DevicePath == NULL) { return 0; } if (!IsDevicePathValid (DevicePath, 0)) { return 0; } // // Search for the end of the device path structure // Start = DevicePath; while (!IsDevicePathEnd (DevicePath)) { DevicePath = NextDevicePathNode (DevicePath); } // // Compute the size and add back in the size of the end device path structure // return ((UINTN) DevicePath - (UINTN) Start) + DevicePathNodeLength (DevicePath); } /** Determine whether a given device path is valid. If DevicePath is NULL, then ASSERT(). @param DevicePath A pointer to a device path data structure. @param MaxSize The maximum size of the device path data structure. @retval TRUE DevicePath is valid. @retval FALSE The length of any node in the DevicePath is less than sizeof (EFI_DEVICE_PATH_PROTOCOL). @retval FALSE If MaxSize is not zero, the size of the DevicePath exceeds MaxSize. @retval FALSE If PcdMaximumDevicePathNodeCount is not zero, the node count of the DevicePath exceeds PcdMaximumDevicePathNodeCount. **/ BOOLEAN EFIAPI IsDevicePathValid ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, IN UINTN MaxSize ) { UINTN Count; UINTN Size; UINTN NodeLength; ASSERT (DevicePath != NULL); if (MaxSize == 0) { MaxSize = MAX_UINTN; } // // Validate the input size big enough to touch the first node. // if (MaxSize < sizeof (EFI_DEVICE_PATH_PROTOCOL)) { return FALSE; } for (Count = 0, Size = 0; !IsDevicePathEnd (DevicePath); DevicePath = NextDevicePathNode (DevicePath)) { NodeLength = DevicePathNodeLength (DevicePath); if (NodeLength < sizeof (EFI_DEVICE_PATH_PROTOCOL)) { return FALSE; } if (NodeLength > MAX_UINTN - Size) { return FALSE; } Size += NodeLength; // // Validate next node before touch it. // if (Size > MaxSize - END_DEVICE_PATH_LENGTH ) { return FALSE; } if (PcdGet32 (PcdMaximumDevicePathNodeCount) > 0) { Count++; if (Count >= PcdGet32 (PcdMaximumDevicePathNodeCount)) { return FALSE; } } } // // Only return TRUE when the End Device Path node is valid. // return (BOOLEAN) (DevicePathNodeLength (DevicePath) == END_DEVICE_PATH_LENGTH); } /** Returns the Type field of a device path node. Returns the Type field of the device path node specified by Node. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @return The Type field of the device path node specified by Node. **/ UINT8 EFIAPI DevicePathType ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return ((const EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type; } /** Returns the SubType field of a device path node. Returns the SubType field of the device path node specified by Node. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @return The SubType field of the device path node specified by Node. **/ UINT8 EFIAPI DevicePathSubType ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return ((const EFI_DEVICE_PATH_PROTOCOL *)(Node))->SubType; } /** Returns the 16-bit Length field of a device path node. Returns the 16-bit Length field of the device path node specified by Node. Node is not required to be aligned on a 16-bit boundary, so it is recommended that a function such as ReadUnaligned16() be used to extract the contents of the Length field. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @return The 16-bit Length field of the device path node specified by Node. **/ UINTN EFIAPI DevicePathNodeLength ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return ((const EFI_DEVICE_PATH_PROTOCOL *)Node)->Length[0] | (((const EFI_DEVICE_PATH_PROTOCOL *)Node)->Length[1] << 8); } /** Returns a pointer to the next node in a device path. Returns a pointer to the device path node that follows the device path node specified by Node. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @return a pointer to the device path node that follows the device path node specified by Node. **/ EFI_DEVICE_PATH_PROTOCOL * EFIAPI NextDevicePathNode ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return ((EFI_DEVICE_PATH_PROTOCOL *)(__DECONST(UINT8 *, Node) + DevicePathNodeLength(Node))); } /** Determines if a device path node is an end node of a device path. This includes nodes that are the end of a device path instance and nodes that are the end of an entire device path. Determines if the device path node specified by Node is an end node of a device path. This includes nodes that are the end of a device path instance and nodes that are the end of an entire device path. If Node represents an end node of a device path, then TRUE is returned. Otherwise, FALSE is returned. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @retval TRUE The device path node specified by Node is an end node of a device path. @retval FALSE The device path node specified by Node is not an end node of a device path. **/ BOOLEAN EFIAPI IsDevicePathEndType ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return (BOOLEAN) (DevicePathType (Node) == END_DEVICE_PATH_TYPE); } /** Determines if a device path node is an end node of an entire device path. Determines if a device path node specified by Node is an end node of an entire device path. If Node represents the end of an entire device path, then TRUE is returned. Otherwise, FALSE is returned. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. @retval TRUE The device path node specified by Node is the end of an entire device path. @retval FALSE The device path node specified by Node is not the end of an entire device path. **/ BOOLEAN EFIAPI IsDevicePathEnd ( IN CONST VOID *Node ) { ASSERT (Node != NULL); return (BOOLEAN) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE); } /** Fills in all the fields of a device path node that is the end of an entire device path. Fills in all the fields of a device path node specified by Node so Node represents the end of an entire device path. The Type field of Node is set to END_DEVICE_PATH_TYPE, the SubType field of Node is set to END_ENTIRE_DEVICE_PATH_SUBTYPE, and the Length field of Node is set to END_DEVICE_PATH_LENGTH. Node is not required to be aligned on a 16-bit boundary, so it is recommended that a function such as WriteUnaligned16() be used to set the contents of the Length field. If Node is NULL, then ASSERT(). @param Node A pointer to a device path node data structure. **/ VOID EFIAPI SetDevicePathEndNode ( OUT VOID *Node ) { ASSERT (Node != NULL); memcpy (Node, &mUefiDevicePathLibEndDevicePath, sizeof (mUefiDevicePathLibEndDevicePath)); } /** Sets the length, in bytes, of a device path node. Sets the length of the device path node specified by Node to the value specified by NodeLength. NodeLength is returned. Node is not required to be aligned on a 16-bit boundary, so it is recommended that a function such as WriteUnaligned16() be used to set the contents of the Length field. If Node is NULL, then ASSERT(). If NodeLength >= SIZE_64KB, then ASSERT(). If NodeLength < sizeof (EFI_DEVICE_PATH_PROTOCOL), then ASSERT(). @param Node A pointer to a device path node data structure. @param Length The length, in bytes, of the device path node. @return Length **/ UINT16 EFIAPI SetDevicePathNodeLength ( IN OUT VOID *Node, IN UINTN Length ) { ASSERT (Node != NULL); ASSERT ((Length >= sizeof (EFI_DEVICE_PATH_PROTOCOL)) && (Length < SIZE_64KB)); // return WriteUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0], (UINT16)(Length)); le16enc(&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0], (UINT16)(Length)); return Length; } /** Creates a device node. This function creates a new device node in a newly allocated buffer of size NodeLength and initializes the device path node header with NodeType and NodeSubType. The new device path node is returned. If NodeLength is smaller than a device path header, then NULL is returned. If there is not enough memory to allocate space for the new device path, then NULL is returned. The memory is allocated from EFI boot services memory. It is the responsibility of the caller to free the memory allocated. @param NodeType The device node type for the new device node. @param NodeSubType The device node sub-type for the new device node. @param NodeLength The length of the new device node. @return The new device path. **/ EFI_DEVICE_PATH_PROTOCOL * EFIAPI CreateDeviceNode ( IN UINT8 NodeType, IN UINT8 NodeSubType, IN UINT16 NodeLength ) { EFI_DEVICE_PATH_PROTOCOL *DevicePath; if (NodeLength < sizeof (EFI_DEVICE_PATH_PROTOCOL)) { // // NodeLength is less than the size of the header. // return NULL; } DevicePath = AllocateZeroPool (NodeLength); if (DevicePath != NULL) { DevicePath->Type = NodeType; DevicePath->SubType = NodeSubType; SetDevicePathNodeLength (DevicePath, NodeLength); } return DevicePath; } /** Creates a new copy of an existing device path. This function allocates space for a new copy of the device path specified by DevicePath. If DevicePath is NULL, then NULL is returned. If the memory is successfully allocated, then the contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer is returned. Otherwise, NULL is returned. The memory for the new device path is allocated from EFI boot services memory. It is the responsibility of the caller to free the memory allocated. @param DevicePath A pointer to a device path data structure. @retval NULL DevicePath is NULL or invalid. @retval Others A pointer to the duplicated device path. **/ EFI_DEVICE_PATH_PROTOCOL * EFIAPI DuplicateDevicePath ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath ) { UINTN Size; // // Compute the size // Size = GetDevicePathSize (DevicePath); if (Size == 0) { return NULL; } // // Allocate space for duplicate device path // return AllocateCopyPool (Size, DevicePath); } /** Creates a new device path by appending a second device path to a first device path. This function creates a new device path by appending a copy of SecondDevicePath to a copy of FirstDevicePath in a newly allocated buffer. Only the end-of-device-path device node from SecondDevicePath is retained. The newly created device path is returned. If FirstDevicePath is NULL, then it is ignored, and a duplicate of SecondDevicePath is returned. If SecondDevicePath is NULL, then it is ignored, and a duplicate of FirstDevicePath is returned. If both FirstDevicePath and SecondDevicePath are NULL, then a copy of an end-of-device-path is returned. If there is not enough memory for the newly allocated buffer, then NULL is returned. The memory for the new device path is allocated from EFI boot services memory. It is the responsibility of the caller to free the memory allocated. @param FirstDevicePath A pointer to a device path data structure. @param SecondDevicePath A pointer to a device path data structure. @retval NULL If there is not enough memory for the newly allocated buffer. @retval NULL If FirstDevicePath or SecondDevicePath is invalid. @retval Others A pointer to the new device path if success. Or a copy an end-of-device-path if both FirstDevicePath and SecondDevicePath are NULL. **/ EFI_DEVICE_PATH_PROTOCOL * EFIAPI AppendDevicePath ( IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL ) { UINTN Size; UINTN Size1; UINTN Size2; EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; EFI_DEVICE_PATH_PROTOCOL *DevicePath2; // // If there's only 1 path, just duplicate it. // if (FirstDevicePath == NULL) { return DuplicateDevicePath ((SecondDevicePath != NULL) ? SecondDevicePath : &mUefiDevicePathLibEndDevicePath); } if (SecondDevicePath == NULL) { return DuplicateDevicePath (FirstDevicePath); } if (!IsDevicePathValid (FirstDevicePath, 0) || !IsDevicePathValid (SecondDevicePath, 0)) { return NULL; } // // Allocate space for the combined device path. It only has one end node of // length EFI_DEVICE_PATH_PROTOCOL. // Size1 = GetDevicePathSize (FirstDevicePath); Size2 = GetDevicePathSize (SecondDevicePath); Size = Size1 + Size2 - END_DEVICE_PATH_LENGTH; NewDevicePath = AllocatePool (Size); if (NewDevicePath != NULL) { NewDevicePath = CopyMem (NewDevicePath, FirstDevicePath, Size1); // // Over write FirstDevicePath EndNode and do the copy // DevicePath2 = (EFI_DEVICE_PATH_PROTOCOL *) ((CHAR8 *) NewDevicePath + (Size1 - END_DEVICE_PATH_LENGTH)); CopyMem (DevicePath2, SecondDevicePath, Size2); } return NewDevicePath; } /** Creates a new path by appending the device node to the device path. This function creates a new device path by appending a copy of the device node specified by DevicePathNode to a copy of the device path specified by DevicePath in an allocated buffer. The end-of-device-path device node is moved after the end of the appended device node. If DevicePathNode is NULL then a copy of DevicePath is returned. If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device path device node is returned. If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path device node is returned. If there is not enough memory to allocate space for the new device path, then NULL is returned. The memory is allocated from EFI boot services memory. It is the responsibility of the caller to free the memory allocated. @param DevicePath A pointer to a device path data structure. @param DevicePathNode A pointer to a single device path node. @retval NULL If there is not enough memory for the new device path. @retval Others A pointer to the new device path if success. A copy of DevicePathNode followed by an end-of-device-path node if both FirstDevicePath and SecondDevicePath are NULL. A copy of an end-of-device-path node if both FirstDevicePath and SecondDevicePath are NULL. **/ EFI_DEVICE_PATH_PROTOCOL * EFIAPI AppendDevicePathNode ( IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL ) { EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; EFI_DEVICE_PATH_PROTOCOL *NextNode; EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; UINTN NodeLength; if (DevicePathNode == NULL) { return DuplicateDevicePath ((DevicePath != NULL) ? DevicePath : &mUefiDevicePathLibEndDevicePath); } // // Build a Node that has a terminator on it // NodeLength = DevicePathNodeLength (DevicePathNode); TempDevicePath = AllocatePool (NodeLength + END_DEVICE_PATH_LENGTH); if (TempDevicePath == NULL) { return NULL; } TempDevicePath = CopyMem (TempDevicePath, DevicePathNode, NodeLength); // // Add and end device path node to convert Node to device path // NextNode = NextDevicePathNode (TempDevicePath); SetDevicePathEndNode (NextNode); // // Append device paths // NewDevicePath = AppendDevicePath (DevicePath, TempDevicePath); FreePool (TempDevicePath); return NewDevicePath; }