diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath')
7 files changed, 5359 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePath.c b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePath.c new file mode 100644 index 00000000..7c45b367 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePath.c @@ -0,0 +1,194 @@ +/** @file + Definition for Device Path Tool. + +Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiDevicePathLib.h" + +// +// Utility Name +// +#define UTILITY_NAME "DevicePath" + +// +// Utility version information +// +#define UTILITY_MAJOR_VERSION 0 +#define UTILITY_MINOR_VERSION 1 + +EFI_GUID gEfiDebugPortProtocolGuid = DEVICE_PATH_MESSAGING_DEBUGPORT; +EFI_GUID gEfiPcAnsiGuid = EFI_PC_ANSI_GUID; +EFI_GUID gEfiVT100Guid = EFI_VT_100_GUID; +EFI_GUID gEfiVT100PlusGuid = EFI_VT_100_PLUS_GUID; +EFI_GUID gEfiVTUTF8Guid = EFI_VT_UTF8_GUID; +EFI_GUID gEfiUartDevicePathGuid = EFI_UART_DEVICE_PATH_GUID; +EFI_GUID gEfiSasDevicePathGuid = EFI_SAS_DEVICE_PATH_GUID; +EFI_GUID gEfiVirtualDiskGuid = EFI_VIRTUAL_DISK_GUID; +EFI_GUID gEfiVirtualCdGuid = EFI_VIRTUAL_CD_GUID; +EFI_GUID gEfiPersistentVirtualDiskGuid = EFI_PERSISTENT_VIRTUAL_DISK_GUID; +EFI_GUID gEfiPersistentVirtualCdGuid = EFI_PERSISTENT_VIRTUAL_CD_GUID; + +STATIC +VOID +Version ( + VOID +) +/*++ + +Routine Description: + + Displays the standard utility information to SDTOUT + +Arguments: + + None + +Returns: + + None + +--*/ +{ + fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION); +} + +STATIC +VOID +Usage ( + VOID + ) +/*++ + +Routine Description: + + Displays the utility usage syntax to STDOUT + +Arguments: + + None + +Returns: + + None + +--*/ +{ + // + // Summary usage + // + fprintf (stdout, "\nUsage: %s [options]\n\n", UTILITY_NAME); + + // + // Copyright declaration + // + fprintf (stdout, "Copyright (c) 2017, Intel Corporation. All rights reserved.\n\n"); + // + // Details Option + // + fprintf (stdout, "Options:\n"); + fprintf (stdout, " DevicePathString Device Path string is specified, no space character.\n" + " Example: \"PciRoot(0)/Pci(0,0)\"\n"); + + fprintf (stdout, " --version Show program's version number and exit.\n"); + fprintf (stdout, " -h, --help Show this help message and exit.\n"); +} + + +STATIC +VOID +PrintMem ( + CONST VOID *Buffer, + UINTN Count + ) +{ + CONST UINT8 *Bytes; + UINTN Idx; + + Bytes = Buffer; + for (Idx = 0; Idx < Count; Idx++) { + printf("0x%02x ", Bytes[Idx]); + } +} + +VOID +Ascii2UnicodeString ( + CHAR8 *String, + CHAR16 *UniString + ) +/*++ + +Routine Description: + + Write ascii string as unicode string format to FILE + +Arguments: + + String - Pointer to string that is written to FILE. + UniString - Pointer to unicode string + +Returns: + + NULL + +--*/ +{ + while (*String != '\0') { + *(UniString++) = (CHAR16) *(String++); + } + // + // End the UniString with a NULL. + // + *UniString = '\0'; +} + +int main(int argc, CHAR8 *argv[]) +{ + CHAR8 * Str; + CHAR16* Str16; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + + if (argc == 1) { + Error (NULL, 0, 1001, "Missing options", "No input options specified."); + Usage (); + return STATUS_ERROR; + } + if ((stricmp (argv[1], "-h") == 0) || (stricmp (argv[1], "--help") == 0)) { + Version (); + Usage (); + return STATUS_SUCCESS; + } + + if (stricmp (argv[1], "--version") == 0) { + Version (); + return STATUS_SUCCESS; + } + Str = argv[1]; + if (Str == NULL) { + fprintf(stderr, "Invalid option value, Device Path can't be NULL"); + return STATUS_ERROR; + } + Str16 = (CHAR16 *)malloc(1024); + if (Str16 == NULL) { + fprintf(stderr, "Resource, memory cannot be allocated"); + return STATUS_ERROR; + } + Ascii2UnicodeString(Str, Str16); + DevicePath = UefiDevicePathLibConvertTextToDevicePath(Str16); + if (DevicePath == NULL) { + fprintf(stderr, "Convert fail, Cannot convert text to a device path"); + free(Str16); + return STATUS_ERROR; + } + while (!((DevicePath->Type == END_DEVICE_PATH_TYPE) && (DevicePath->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)) ) + { + PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8); + DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)DevicePath + (DevicePath->Length[0] | DevicePath->Length[1] << 8)); + } + PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8); + putchar('\n'); + free(Str16); + return STATUS_SUCCESS; +} diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathFromText.c b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathFromText.c new file mode 100644 index 00000000..dc49998d --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathFromText.c @@ -0,0 +1,3524 @@ +/** @file + DevicePathFromText protocol as defined in the UEFI 2.0 specification. + +Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiDevicePathLib.h" + +/** + + Duplicates a string. + + @param Src Source string. + + @return The duplicated string. + +**/ +CHAR16 * +UefiDevicePathLibStrDuplicate ( + 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. + +**/ +CHAR16 * +GetParamByNodeName ( + CHAR16 *Str, + 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] = L'\0'; + + return ParamStr; +} + +/** + 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 + +**/ +CHAR16 * +GetNextParamStr ( + CHAR16 **List + ) +{ + // + // The separator is comma + // + return SplitStr (List, L','); +} + +/** + 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 + +**/ +CHAR16 * +GetNextDeviceNodeStr ( + CHAR16 **DevicePath, + 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 = L'\0'; + Str++; + } else { + *IsInstanceEnd = FALSE; + if (!IS_NULL (*Str)) { + *Str = L'\0'; + Str++; + } + } + + *DevicePath = Str; + + return ReturnStr; +} + +/** + 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. +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextGenericPath ( + UINT8 Type, + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPath ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextHardwarePath ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPci ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPcCard ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextMemoryMapped ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +ConvertFromTextVendor ( + CHAR16 *TextDeviceNode, + UINT8 Type, + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenHw ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextCtrl ( + 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) + ); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextBmc ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpiPath ( + CHAR16 *TextDeviceNode + ) +{ + return DevPathFromTextGenericPath (ACPI_DEVICE_PATH, TextDeviceNode); +} + +/** + Converts a string to EisaId. + + @param Text The input string. + + @return UINT32 EISA ID. +**/ +UINT32 +EisaIdFromText ( + CHAR16 *Text + ) +{ + return (((Text[0] - 'A' + 1) & 0x1f) << 10) + + (((Text[1] - 'A' + 1) & 0x1f) << 5) + + (((Text[2] - 'A' + 1) & 0x1f) << 0) + + (UINT32) (StrHexToUint64 (&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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpi ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +ConvertFromTextAcpi ( + CHAR16 *TextDeviceNode, + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPciRoot ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPcieRoot ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFloppy ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextKeyboard ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSerial ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextParallelPort ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpiEx ( + 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 + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpiExp ( + 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 + ); + + AcpiEx->HID = EisaIdFromText (HIDStr); + // + // According to UEFI spec, the CID parametr is optional and has a default value of 0. + // So when the CID parametr 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 == L'\0' || *CIDStr == L'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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpiAdr ( + 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) + ); + ASSERT (AcpiAdr != NULL); + + 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 + ); + ASSERT (AcpiAdr != NULL); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextMsg ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAta ( + 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) + ); + + PrimarySecondaryStr = GetNextParamStr (&TextDeviceNode); + SlaveMasterStr = GetNextParamStr (&TextDeviceNode); + LunStr = GetNextParamStr (&TextDeviceNode); + + if (StrCmp (PrimarySecondaryStr, L"Primary") == 0) { + Atapi->PrimarySecondary = 0; + } else if (StrCmp (PrimarySecondaryStr, L"Secondary") == 0) { + Atapi->PrimarySecondary = 1; + } else { + Atapi->PrimarySecondary = (UINT8) Strtoi (PrimarySecondaryStr); + } + if (StrCmp (SlaveMasterStr, L"Master") == 0) { + Atapi->SlaveMaster = 0; + } else if (StrCmp (SlaveMasterStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextScsi ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFibre ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFibreEx ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromText1394 ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsb ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextI2O ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextInfiniband ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenMsg ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenPcAnsi ( + CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + (UINT16) sizeof (VENDOR_DEVICE_PATH)); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenVt100 ( + CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + (UINT16) sizeof (VENDOR_DEVICE_PATH)); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenVt100Plus ( + CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + (UINT16) sizeof (VENDOR_DEVICE_PATH)); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenUtf8 ( + CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + (UINT16) sizeof (VENDOR_DEVICE_PATH)); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUartFlowCtrl ( + 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) + ); + + CopyGuid (&UartFlowControl->Guid, &gEfiUartDevicePathGuid); + if (StrCmp (ValueStr, L"XonXoff") == 0) { + UartFlowControl->FlowControlMap = 2; + } else if (StrCmp (ValueStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSAS ( + 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) + ); + + CopyGuid (&Sas->Guid, &gEfiSasDevicePathGuid); + Strtoi64 (AddressStr, &Sas->SasAddress); + Strtoi64 (LunStr, &Sas->Lun); + Sas->RelativeTargetPort = (UINT16) Strtoi (RTPStr); + + if (StrCmp (SASSATAStr, L"NoTopology") == 0) { + Info = 0x0; + + } else if ((StrCmp (SASSATAStr, L"SATA") == 0) || (StrCmp (SASSATAStr, L"SAS") == 0)) { + + Uint16 = (UINT16) Strtoi (DriveBayStr); + if (Uint16 == 0) { + Info = 0x1; + } else { + Info = (UINT16) (0x2 | ((Uint16 - 1) << 8)); + } + + if (StrCmp (SASSATAStr, L"SATA") == 0) { + Info |= BIT4; + } + + // + // Location is an integer between 0 and 1 or else + // the keyword Internal (0) or External (1). + // + if (StrCmp (LocationStr, L"External") == 0) { + Uint16 = 1; + } else if (StrCmp (LocationStr, L"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, L"Expanded") == 0) { + Uint16 = 1; + } else if (StrCmp (ConnectStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSasEx ( + 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) + ); + + 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, L"NoTopology") == 0) { + Info = 0x0; + + } else if ((StrCmp (SASSATAStr, L"SATA") == 0) || (StrCmp (SASSATAStr, L"SAS") == 0)) { + + Uint16 = (UINT16) Strtoi (DriveBayStr); + if (Uint16 == 0) { + Info = 0x1; + } else { + Info = (UINT16) (0x2 | ((Uint16 - 1) << 8)); + } + + if (StrCmp (SASSATAStr, L"SATA") == 0) { + Info |= BIT4; + } + + // + // Location is an integer between 0 and 1 or else + // the keyword Internal (0) or External (1). + // + if (StrCmp (LocationStr, L"External") == 0) { + Uint16 = 1; + } else if (StrCmp (LocationStr, L"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, L"Expanded") == 0) { + Uint16 = 1; + } else if (StrCmp (ConnectStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextNVMe ( + 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) + ); + + Nvme->NamespaceId = (UINT32) Strtoi (NamespaceIdStr); + Uuid = (UINT8 *) &Nvme->NamespaceUuid; + + Index = sizeof (Nvme->NamespaceUuid) / sizeof (UINT8); + while (Index-- != 0) { + Uuid[Index] = (UINT8) StrHexToUint64 (SplitStr (&NamespaceUuidStr, L'-')); + } + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUfs ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSd ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextEmmc ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextDebugPort ( + CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vend; + + Vend = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + (UINT16) sizeof (VENDOR_DEVICE_PATH) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextMAC ( + 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) + ); + + 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 . + +**/ +UINTN +NetworkProtocolFromText ( + CHAR16 *Text + ) +{ + if (StrCmp (Text, L"UDP") == 0) { + return RFC_1700_UDP_PROTOCOL; + } + + if (StrCmp (Text, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextIPv4 ( + 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) + ); + + StrToIpv4Address (RemoteIPStr, NULL, &IPv4->RemoteIpAddress, NULL); + IPv4->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr); + if (StrCmp (TypeStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextIPv6 ( + 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) + ); + + StrToIpv6Address (RemoteIPStr, NULL, &IPv6->RemoteIpAddress, NULL); + IPv6->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr); + if (StrCmp (TypeStr, L"Static") == 0) { + IPv6->IpAddressOrigin = 0; + } else if (StrCmp (TypeStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUart ( + 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 (StrCmp (BaudStr, L"DEFAULT") == 0) { + Uart->BaudRate = 115200; + } else { + Strtoi64 (BaudStr, &Uart->BaudRate); + } + Uart->DataBits = (UINT8) ((StrCmp (DataBitsStr, L"DEFAULT") == 0) ? 8 : Strtoi (DataBitsStr)); + switch (*ParityStr) { + case L'D': + Uart->Parity = 0; + break; + + case L'N': + Uart->Parity = 1; + break; + + case L'E': + Uart->Parity = 2; + break; + + case L'O': + Uart->Parity = 3; + break; + + case L'M': + Uart->Parity = 4; + break; + + case L'S': + Uart->Parity = 5; + break; + + default: + Uart->Parity = (UINT8) Strtoi (ParityStr); + break; + } + + if (StrCmp (StopBitsStr, L"D") == 0) { + Uart->StopBits = (UINT8) 0; + } else if (StrCmp (StopBitsStr, L"1") == 0) { + Uart->StopBits = (UINT8) 1; + } else if (StrCmp (StopBitsStr, L"1.5") == 0) { + Uart->StopBits = (UINT8) 2; + } else if (StrCmp (StopBitsStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +ConvertFromTextUsbClass ( + CHAR16 *TextDeviceNode, + 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) + ); + + VIDStr = GetNextParamStr (&TextDeviceNode); + PIDStr = GetNextParamStr (&TextDeviceNode); + if (UsbClassText->ClassExist) { + ClassStr = GetNextParamStr (&TextDeviceNode); + if (*ClassStr == L'\0') { + UsbClass->DeviceClass = 0xFF; + } else { + UsbClass->DeviceClass = (UINT8) Strtoi (ClassStr); + } + } else { + UsbClass->DeviceClass = UsbClassText->Class; + } + if (UsbClassText->SubClassExist) { + SubClassStr = GetNextParamStr (&TextDeviceNode); + if (*SubClassStr == L'\0') { + UsbClass->DeviceSubClass = 0xFF; + } else { + UsbClass->DeviceSubClass = (UINT8) Strtoi (SubClassStr); + } + } else { + UsbClass->DeviceSubClass = UsbClassText->SubClass; + } + + ProtocolStr = GetNextParamStr (&TextDeviceNode); + + if (*VIDStr == L'\0') { + UsbClass->VendorId = 0xFFFF; + } else { + UsbClass->VendorId = (UINT16) Strtoi (VIDStr); + } + if (*PIDStr == L'\0') { + UsbClass->ProductId = 0xFFFF; + } else { + UsbClass->ProductId = (UINT16) Strtoi (PIDStr); + } + if (*ProtocolStr == L'\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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbClass ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbAudio ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbCDCControl ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbHID ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbImage ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbPrinter ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbMassStorage ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbHub ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbCDCData ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbSmartCard ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbVideo ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbDiagnostic ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbWireless ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbDeviceFirmwareUpdate ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbIrdaBridge ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbTestAndMeasurement ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbWwid ( + 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] == L'\"' && + SerialNumberStr[SerialNumberStrLen - 1] == L'\"' + ) { + SerialNumberStr[SerialNumberStrLen - 1] = L'\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)) + ); + 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. + // + memcpy ( + (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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUnit ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextiSCSI ( + 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)) + ); + + 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, L"CRC32C") == 0) { + Options |= 0x0002; + } + + if (StrCmp (DataDigestStr, L"CRC32C") == 0) { + Options |= 0x0008; + } + + if (StrCmp (AuthenticationStr, L"None") == 0) { + Options |= 0x0800; + } + + if (StrCmp (AuthenticationStr, L"CHAP_UNI") == 0) { + Options |= 0x1000; + } + + ISCSIDevPath->LoginOption = (UINT16) Options; + + if (IS_NULL (*ProtocolStr) || (StrCmp (ProtocolStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVlan ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextBluetooth ( + 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) + ); + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextWiFi ( + 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) { + DataLen = StrLen (SSIdStr); + if (StrLen (SSIdStr) > 32) { + SSIdStr[32] = L'\0'; + DataLen = 32; + } + + UnicodeStrToAsciiStrS (SSIdStr, AsciiStr, sizeof (AsciiStr)); + memcpy (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. + +**/ +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) + ); + + 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. + +**/ +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 != L'\0') { + GetNextParamStr (&DeviceNodeStrPtr); + DnsServerIpCount ++; + } + + free (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 == L'.') { + DnsDeviceNode->IsIPv6 = 0x00; + break; + } + + if (*DeviceNodeStrPtr == L':') { + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUri ( + 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 (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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextMediaPath ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextHD ( + 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) + ); + + Hd->PartitionNumber = (UINT32) Strtoi (PartitionStr); + + ZeroMem (Hd->Signature, 16); + Hd->MBRType = (UINT8) 0; + + if (StrCmp (TypeStr, L"MBR") == 0) { + Hd->SignatureType = SIGNATURE_TYPE_MBR; + Hd->MBRType = 0x01; + + Signature32 = (UINT32) Strtoi (SignatureStr); + memcpy (Hd->Signature, &Signature32, sizeof (UINT32)); + } else if (StrCmp (TypeStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextCDROM ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenMedia ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFilePath ( + CHAR16 *TextDeviceNode + ) +{ + FILEPATH_DEVICE_PATH *File; + + File = (FILEPATH_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_FILEPATH_DP, + (UINT16) (sizeof (FILEPATH_DEVICE_PATH) + StrLen (TextDeviceNode) * 2) + ); + + StrCpyS (File->PathName, StrLen (TextDeviceNode) + 1, TextDeviceNode); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextMedia ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFv ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFvFile ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextRelativeOffsetRange ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextRamDisk ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVirtualDisk ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVirtualCd ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPersistentVirtualDisk ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPersistentVirtualCd ( + 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) + ); + + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextBbsPath ( + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextBBS ( + 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 (StrCmp (TypeStr, L"Floppy") == 0) { + Bbs->DeviceType = BBS_TYPE_FLOPPY; + } else if (StrCmp (TypeStr, L"HD") == 0) { + Bbs->DeviceType = BBS_TYPE_HARDDRIVE; + } else if (StrCmp (TypeStr, L"CDROM") == 0) { + Bbs->DeviceType = BBS_TYPE_CDROM; + } else if (StrCmp (TypeStr, L"PCMCIA") == 0) { + Bbs->DeviceType = BBS_TYPE_PCMCIA; + } else if (StrCmp (TypeStr, L"USB") == 0) { + Bbs->DeviceType = BBS_TYPE_USB; + } else if (StrCmp (TypeStr, L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSata ( + 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) + ); + Sata->HBAPortNumber = (UINT16) Strtoi (Param1); + + // + // According to UEFI spec, if PMPN is not provided, the default is 0xFFFF + // + if (*Param2 == L'\0' ) { + Sata->PortMultiplierPortNumber = 0xFFFF; + } else { + Sata->PortMultiplierPortNumber = (UINT16) Strtoi (Param2); + } + Sata->Lun = (UINT16) Strtoi (Param3); + + return (EFI_DEVICE_PATH_PROTOCOL *) Sata; +} + +DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevPathFromTextTable[] = { + {L"Path", DevPathFromTextPath }, + + {L"HardwarePath", DevPathFromTextHardwarePath }, + {L"Pci", DevPathFromTextPci }, + {L"PcCard", DevPathFromTextPcCard }, + {L"MemoryMapped", DevPathFromTextMemoryMapped }, + {L"VenHw", DevPathFromTextVenHw }, + {L"Ctrl", DevPathFromTextCtrl }, + {L"BMC", DevPathFromTextBmc }, + + {L"AcpiPath", DevPathFromTextAcpiPath }, + {L"Acpi", DevPathFromTextAcpi }, + {L"PciRoot", DevPathFromTextPciRoot }, + {L"PcieRoot", DevPathFromTextPcieRoot }, + {L"Floppy", DevPathFromTextFloppy }, + {L"Keyboard", DevPathFromTextKeyboard }, + {L"Serial", DevPathFromTextSerial }, + {L"ParallelPort", DevPathFromTextParallelPort }, + {L"AcpiEx", DevPathFromTextAcpiEx }, + {L"AcpiExp", DevPathFromTextAcpiExp }, + {L"AcpiAdr", DevPathFromTextAcpiAdr }, + + {L"Msg", DevPathFromTextMsg }, + {L"Ata", DevPathFromTextAta }, + {L"Scsi", DevPathFromTextScsi }, + {L"Fibre", DevPathFromTextFibre }, + {L"FibreEx", DevPathFromTextFibreEx }, + {L"I1394", DevPathFromText1394 }, + {L"USB", DevPathFromTextUsb }, + {L"I2O", DevPathFromTextI2O }, + {L"Infiniband", DevPathFromTextInfiniband }, + {L"VenMsg", DevPathFromTextVenMsg }, + {L"VenPcAnsi", DevPathFromTextVenPcAnsi }, + {L"VenVt100", DevPathFromTextVenVt100 }, + {L"VenVt100Plus", DevPathFromTextVenVt100Plus }, + {L"VenUtf8", DevPathFromTextVenUtf8 }, + {L"UartFlowCtrl", DevPathFromTextUartFlowCtrl }, + {L"SAS", DevPathFromTextSAS }, +#ifndef VBOX + {L"SasEx", DevPathFromTextSasEx }, +#else + {L"NVMe", DevPathFromTextNVMe }, +#endif + {L"NVMe", DevPathFromTextNVMe }, + {L"UFS", DevPathFromTextUfs }, + {L"SD", DevPathFromTextSd }, + {L"eMMC", DevPathFromTextEmmc }, + {L"DebugPort", DevPathFromTextDebugPort }, + {L"MAC", DevPathFromTextMAC }, + {L"IPv4", DevPathFromTextIPv4 }, + {L"IPv6", DevPathFromTextIPv6 }, + {L"Uart", DevPathFromTextUart }, + {L"UsbClass", DevPathFromTextUsbClass }, + {L"UsbAudio", DevPathFromTextUsbAudio }, + {L"UsbCDCControl", DevPathFromTextUsbCDCControl }, + {L"UsbHID", DevPathFromTextUsbHID }, + {L"UsbImage", DevPathFromTextUsbImage }, + {L"UsbPrinter", DevPathFromTextUsbPrinter }, + {L"UsbMassStorage", DevPathFromTextUsbMassStorage }, + {L"UsbHub", DevPathFromTextUsbHub }, + {L"UsbCDCData", DevPathFromTextUsbCDCData }, + {L"UsbSmartCard", DevPathFromTextUsbSmartCard }, + {L"UsbVideo", DevPathFromTextUsbVideo }, + {L"UsbDiagnostic", DevPathFromTextUsbDiagnostic }, + {L"UsbWireless", DevPathFromTextUsbWireless }, + {L"UsbDeviceFirmwareUpdate", DevPathFromTextUsbDeviceFirmwareUpdate }, + {L"UsbIrdaBridge", DevPathFromTextUsbIrdaBridge }, + {L"UsbTestAndMeasurement", DevPathFromTextUsbTestAndMeasurement }, + {L"UsbWwid", DevPathFromTextUsbWwid }, + {L"Unit", DevPathFromTextUnit }, + {L"iSCSI", DevPathFromTextiSCSI }, + {L"Vlan", DevPathFromTextVlan }, + {L"Dns", DevPathFromTextDns }, + {L"Uri", DevPathFromTextUri }, + {L"Bluetooth", DevPathFromTextBluetooth }, + {L"Wi-Fi", DevPathFromTextWiFi }, + {L"BluetoothLE", DevPathFromTextBluetoothLE }, + {L"MediaPath", DevPathFromTextMediaPath }, + {L"HD", DevPathFromTextHD }, + {L"CDROM", DevPathFromTextCDROM }, + {L"VenMedia", DevPathFromTextVenMedia }, + {L"Media", DevPathFromTextMedia }, + {L"Fv", DevPathFromTextFv }, + {L"FvFile", DevPathFromTextFvFile }, + {L"Offset", DevPathFromTextRelativeOffsetRange }, + {L"RamDisk", DevPathFromTextRamDisk }, + {L"VirtualDisk", DevPathFromTextVirtualDisk }, + {L"VirtualCD", DevPathFromTextVirtualCd }, + {L"PersistentVirtualDisk", DevPathFromTextPersistentVirtualDisk }, + {L"PersistentVirtualCD", DevPathFromTextPersistentVirtualCd }, + + {L"BbsPath", DevPathFromTextBbsPath }, + {L"BBS", DevPathFromTextBBS }, + {L"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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibConvertTextToDeviceNode ( + 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); + // + // According to above logic, if 'FromText' is NULL in the 'if' statement, + // then 'ParamStr' must be NULL as well. No memory allocation has been made + // in this case. + // + // The below check is for addressing a false positive potential memory leak + // issue raised from static analysis. + // + if (ParamStr != NULL) { + free (ParamStr); + } + } else { + DeviceNode = FromText (ParamStr); + free (ParamStr); + } + + free (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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibConvertTextToDevicePath ( + 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); + ASSERT (DevicePath != NULL); + SetDevicePathEndNode (DevicePath); + + DevicePathStr = UefiDevicePathLibStrDuplicate (TextDevicePath); + + Str = DevicePathStr; + while ((DeviceNodeStr = GetNextDeviceNodeStr (&Str, &IsInstanceEnd)) != NULL) { + DeviceNode = UefiDevicePathLibConvertTextToDeviceNode (DeviceNodeStr); + + NewDevicePath = AppendDevicePathNode (DevicePath, DeviceNode); + free (DevicePath); + free (DeviceNode); + DevicePath = NewDevicePath; + + if (IsInstanceEnd) { + DeviceNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH); + ASSERT (DeviceNode != NULL); + SetDevicePathEndNode (DeviceNode); + DeviceNode->SubType = END_INSTANCE_DEVICE_PATH_SUBTYPE; + + NewDevicePath = AppendDevicePathNode (DevicePath, DeviceNode); + free (DevicePath); + free (DeviceNode); + DevicePath = NewDevicePath; + } + } + + free (DevicePathStr); + return DevicePath; +} diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathUtilities.c b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathUtilities.c new file mode 100644 index 00000000..d4b63271 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/DevicePathUtilities.c @@ -0,0 +1,868 @@ +/** @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 variables. Multi-instance device paths should never be placed + on a Handle. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiDevicePathLib.h" +#include <Protocol/DevicePathUtilities.h> + +// +// Template for an end-of-device path node. +// +CONST EFI_DEVICE_PATH_PROTOCOL mUefiDevicePathLibEndDevicePath = { + END_DEVICE_PATH_TYPE, + END_ENTIRE_DEVICE_PATH_SUBTYPE, + { + END_DEVICE_PATH_LENGTH, + 0 + } +}; + +/** + Determine whether a given device path is valid. + + @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 DevicePath is NULL. + @retval FALSE Maxsize is less than sizeof(EFI_DEVICE_PATH_PROTOCOL). + @retval FALSE The length of any node 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 +IsDevicePathValid ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + UINTN MaxSize + ) +{ + UINTN Count; + UINTN Size; + UINTN NodeLength; + + // + // Validate the input whether exists and its size big enough to touch the first node + // + if (DevicePath == NULL || (MaxSize > 0 && MaxSize < END_DEVICE_PATH_LENGTH)) { + return FALSE; + } + + if (MaxSize == 0) { + MaxSize = MAX_UINT32; + } + + 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_UINT32 - Size) { + return FALSE; + } + Size += NodeLength; + + // + // Validate next node before touch it. + // + if (Size > MaxSize - END_DEVICE_PATH_LENGTH ) { + return FALSE; + } + + Count++; + if (Count >= MAX_DEVICE_PATH_NODE_COUNT) { + 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 +DevicePathType ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return ((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 +DevicePathSubType ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return ((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 +DevicePathNodeLength ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return ReadUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0]); +} + +/** + 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 * +NextDevicePathNode ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return (EFI_DEVICE_PATH_PROTOCOL *)((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 +IsDevicePathEndType ( + 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 +IsDevicePathEnd ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return (BOOLEAN) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE); +} + +/** + Determines if a device path node is an end node of a device path instance. + + Determines if a device path node specified by Node is an end node of a device + path instance. If Node represents the end of a device path instance, 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 a device + path instance. + @retval FALSE The device path node specified by Node is not the end of a + device path instance. + +**/ +BOOLEAN +IsDevicePathEndInstance ( + CONST VOID *Node + ) +{ + ASSERT (Node != NULL); + return (BOOLEAN) (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_INSTANCE_DEVICE_PATH_SUBTYPE); +} + +/** + 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 +SetDevicePathNodeLength ( + VOID *Node, + 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)); +} + +/** + 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 +SetDevicePathEndNode ( + VOID *Node + ) +{ + ASSERT (Node != NULL); + memcpy (Node, &mUefiDevicePathLibEndDevicePath, sizeof (mUefiDevicePathLibEndDevicePath)); +} + +/** + 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 +UefiDevicePathLibGetDevicePathSize ( + 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); +} + +/** + 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 * +UefiDevicePathLibDuplicateDevicePath ( + 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 * +UefiDevicePathLibAppendDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, + CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath + ) +{ + 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 = memcpy (NewDevicePath, FirstDevicePath, Size1); + // + // Over write FirstDevicePath EndNode and do the copy + // + DevicePath2 = (EFI_DEVICE_PATH_PROTOCOL *) ((CHAR8 *) NewDevicePath + + (Size1 - END_DEVICE_PATH_LENGTH)); + memcpy (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 * +UefiDevicePathLibAppendDevicePathNode ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode + ) +{ + 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 = memcpy (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); + + free (TempDevicePath); + + return NewDevicePath; +} + +/** + Creates a new device path by appending the specified device path instance to the specified device + path. + + This function creates a new device path by appending a copy of the device path + instance specified by DevicePathInstance to a copy of the device path specified + by DevicePath in a allocated buffer. + The end-of-device-path device node is moved after the end of the appended device + path instance and a new end-of-device-path-instance node is inserted between. + If DevicePath is NULL, then a copy if DevicePathInstance is returned. + If DevicePathInstance is NULL, then NULL is returned. + If DevicePath or DevicePathInstance is invalid, 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 DevicePath A pointer to a device path data structure. + @param DevicePathInstance A pointer to a device path instance. + + @return A pointer to the new device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibAppendDevicePathInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance + ) +{ + EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; + EFI_DEVICE_PATH_PROTOCOL *TempDevicePath; + UINTN SrcSize; + UINTN InstanceSize; + + if (DevicePath == NULL) { + return DuplicateDevicePath (DevicePathInstance); + } + + if (DevicePathInstance == NULL) { + return NULL; + } + + if (!IsDevicePathValid (DevicePath, 0) || !IsDevicePathValid (DevicePathInstance, 0)) { + return NULL; + } + + SrcSize = GetDevicePathSize (DevicePath); + InstanceSize = GetDevicePathSize (DevicePathInstance); + + NewDevicePath = AllocatePool (SrcSize + InstanceSize); + if (NewDevicePath != NULL) { + + TempDevicePath = memcpy (NewDevicePath, DevicePath, SrcSize);; + + while (!IsDevicePathEnd (TempDevicePath)) { + TempDevicePath = NextDevicePathNode (TempDevicePath); + } + + TempDevicePath->SubType = END_INSTANCE_DEVICE_PATH_SUBTYPE; + TempDevicePath = NextDevicePathNode (TempDevicePath); + memcpy (TempDevicePath, DevicePathInstance, InstanceSize); + } + + return NewDevicePath; +} + +/** + Creates a copy of the current device path instance and returns a pointer to the next device path + instance. + + This function creates a copy of the current device path instance. It also updates + DevicePath to point to the next device path instance in the device path (or NULL + if no more) and updates Size to hold the size of the device path instance copy. + If DevicePath is NULL, then NULL is returned. + If DevicePath points to a invalid device path, 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. + If Size is NULL, then ASSERT(). + + @param DevicePath On input, this holds the pointer to the current + device path instance. On output, this holds + the pointer to the next device path instance + or NULL if there are no more device path + instances in the device path pointer to a + device path data structure. + @param Size On output, this holds the size of the device + path instance, in bytes or zero, if DevicePath + is NULL. + + @return A pointer to the current device path instance. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibGetNextDevicePathInstance ( + EFI_DEVICE_PATH_PROTOCOL **DevicePath, + UINTN *Size + ) +{ + EFI_DEVICE_PATH_PROTOCOL *DevPath; + EFI_DEVICE_PATH_PROTOCOL *ReturnValue; + UINT8 Temp; + + ASSERT (Size != NULL); + + if (DevicePath == NULL || *DevicePath == NULL) { + *Size = 0; + return NULL; + } + + if (!IsDevicePathValid (*DevicePath, 0)) { + return NULL; + } + + // + // Find the end of the device path instance + // + DevPath = *DevicePath; + while (!IsDevicePathEndType (DevPath)) { + DevPath = NextDevicePathNode (DevPath); + } + + // + // Compute the size of the device path instance + // + *Size = ((UINTN) DevPath - (UINTN) (*DevicePath)) + sizeof (EFI_DEVICE_PATH_PROTOCOL); + + // + // Make a copy and return the device path instance + // + Temp = DevPath->SubType; + DevPath->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; + ReturnValue = DuplicateDevicePath (*DevicePath); + DevPath->SubType = Temp; + + // + // If DevPath is the end of an entire device path, then another instance + // does not follow, so *DevicePath is set to NULL. + // + if (DevicePathSubType (DevPath) == END_ENTIRE_DEVICE_PATH_SUBTYPE) { + *DevicePath = NULL; + } else { + *DevicePath = NextDevicePathNode (DevPath); + } + + return ReturnValue; +} + +/** + 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 * +UefiDevicePathLibCreateDeviceNode ( + UINT8 NodeType, + UINT8 NodeSubType, + 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; +} + +/** + Determines if a device path is single or multi-instance. + + This function returns TRUE if the device path specified by DevicePath is + multi-instance. + Otherwise, FALSE is returned. + If DevicePath is NULL or invalid, then FALSE is returned. + + @param DevicePath A pointer to a device path data structure. + + @retval TRUE DevicePath is multi-instance. + @retval FALSE DevicePath is not multi-instance, or DevicePath + is NULL or invalid. + +**/ +BOOLEAN +UefiDevicePathLibIsDevicePathMultiInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +{ + CONST EFI_DEVICE_PATH_PROTOCOL *Node; + + if (DevicePath == NULL) { + return FALSE; + } + + if (!IsDevicePathValid (DevicePath, 0)) { + return FALSE; + } + + Node = DevicePath; + while (!IsDevicePathEnd (Node)) { + if (IsDevicePathEndInstance (Node)) { + return TRUE; + } + + Node = NextDevicePathNode (Node); + } + + return FALSE; +} + + +/** + Retrieves the device path protocol from a handle. + + This function returns the device path protocol from the handle specified by Handle. + If Handle is NULL or Handle does not contain a device path protocol, then NULL + is returned. + + @param Handle The handle from which to retrieve the device + path protocol. + + @return The device path protocol from the handle specified by Handle. + +**/ +/* +EFI_DEVICE_PATH_PROTOCOL * +DevicePathFromHandle ( + EFI_HANDLE Handle + ) +{ + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_STATUS Status; + + Status = gBS->HandleProtocol ( + Handle, + &gEfiDevicePathProtocolGuid, + (VOID *) &DevicePath + ); + if (EFI_ERROR (Status)) { + DevicePath = NULL; + } + return DevicePath; +} +*/ +/** + Allocates a device path for a file and appends it to an existing device path. + + If Device is a valid device handle that contains a device path protocol, then a device path for + the file specified by FileName is allocated and appended to the device path associated with the + handle Device. The allocated device path is returned. If Device is NULL or Device is a handle + that does not support the device path protocol, then a device path containing a single device + path node for the file specified by FileName is allocated and 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. + + If FileName is NULL, then ASSERT(). + If FileName is not aligned on a 16-bit boundary, then ASSERT(). + + @param Device A pointer to a device handle. This parameter + is optional and may be NULL. + @param FileName A pointer to a Null-terminated Unicode string. + + @return The allocated device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +FileDevicePath ( + EFI_HANDLE Device, OPTIONAL + CONST CHAR16 *FileName + ) +{ + UINTN Size; + FILEPATH_DEVICE_PATH *FilePath; + EFI_DEVICE_PATH_PROTOCOL *DevicePath; + EFI_DEVICE_PATH_PROTOCOL *FileDevicePath; + + DevicePath = NULL; + + Size = StrSize (FileName); + FileDevicePath = AllocatePool (Size + SIZE_OF_FILEPATH_DEVICE_PATH + END_DEVICE_PATH_LENGTH); + if (FileDevicePath != NULL) { + FilePath = (FILEPATH_DEVICE_PATH *) FileDevicePath; + FilePath->Header.Type = MEDIA_DEVICE_PATH; + FilePath->Header.SubType = MEDIA_FILEPATH_DP; + memcpy (&FilePath->PathName, FileName, Size); + SetDevicePathNodeLength (&FilePath->Header, Size + SIZE_OF_FILEPATH_DEVICE_PATH); + SetDevicePathEndNode (NextDevicePathNode (&FilePath->Header)); + + //if (Device != NULL) { + // DevicePath = DevicePathFromHandle (Device); + //} + + DevicePath = AppendDevicePath (DevicePath, FileDevicePath); + free (FileDevicePath); + } + + return DevicePath; +} diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/GNUmakefile b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/GNUmakefile new file mode 100644 index 00000000..693eed53 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/GNUmakefile @@ -0,0 +1,24 @@ +## @file +# GNU/Linux makefile for 'DevicePath' module build. +# +# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +ARCH ?= IA32 +MAKEROOT ?= .. + +APPNAME = DevicePath + +OBJECTS = DevicePath.o UefiDevicePathLib.o DevicePathFromText.o DevicePathUtilities.o + +include $(MAKEROOT)/Makefiles/app.makefile + +LIBS = -lCommon +ifeq ($(CYGWIN), CYGWIN) + LIBS += -L/lib/e2fsprogs -luuid +endif + +ifeq ($(LINUX), Linux) + LIBS += -luuid +endif + diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/Makefile b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/Makefile new file mode 100644 index 00000000..47c99140 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/Makefile @@ -0,0 +1,18 @@ +## @file +# Windows makefile for 'DevicePath' module build. +# +# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +!INCLUDE ..\Makefiles\ms.common + +APPNAME = DevicePath + +LIBS = $(LIB_PATH)\Common.lib + +OBJECTS = DevicePath.obj UefiDevicePathLib.obj DevicePathFromText.obj DevicePathUtilities.obj + +#CFLAGS = $(CFLAGS) /nodefaultlib:libc.lib + +!INCLUDE ..\Makefiles\ms.app + diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.c b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.c new file mode 100644 index 00000000..3ee51bb3 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.c @@ -0,0 +1,292 @@ +/** @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 variables. Multi-instance device paths should never be placed + on a Handle. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + + +#include "UefiDevicePathLib.h" + +/** + 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 +GetDevicePathSize ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +{ + return UefiDevicePathLibGetDevicePathSize (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 * +DuplicateDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +{ + return UefiDevicePathLibDuplicateDevicePath (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 * +AppendDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL + ) +{ + return UefiDevicePathLibAppendDevicePath (FirstDevicePath, SecondDevicePath); +} + +/** + 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 * +AppendDevicePathNode ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL + ) +{ + return UefiDevicePathLibAppendDevicePathNode (DevicePath, DevicePathNode); +} + +/** + Creates a new device path by appending the specified device path instance to the specified device + path. + + This function creates a new device path by appending a copy of the device path + instance specified by DevicePathInstance to a copy of the device path specified + by DevicePath in a allocated buffer. + The end-of-device-path device node is moved after the end of the appended device + path instance and a new end-of-device-path-instance node is inserted between. + If DevicePath is NULL, then a copy if DevicePathInstance is returned. + If DevicePathInstance is NULL, then NULL is returned. + If DevicePath or DevicePathInstance is invalid, 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 DevicePath A pointer to a device path data structure. + @param DevicePathInstance A pointer to a device path instance. + + @return A pointer to the new device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +AppendDevicePathInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL + ) +{ + return UefiDevicePathLibAppendDevicePathInstance (DevicePath, DevicePathInstance); +} + +/** + Creates a copy of the current device path instance and returns a pointer to the next device path + instance. + + This function creates a copy of the current device path instance. It also updates + DevicePath to point to the next device path instance in the device path (or NULL + if no more) and updates Size to hold the size of the device path instance copy. + If DevicePath is NULL, then NULL is returned. + If DevicePath points to a invalid device path, 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. + If Size is NULL, then ASSERT(). + + @param DevicePath On input, this holds the pointer to the current + device path instance. On output, this holds + the pointer to the next device path instance + or NULL if there are no more device path + instances in the device path pointer to a + device path data structure. + @param Size On output, this holds the size of the device + path instance, in bytes or zero, if DevicePath + is NULL. + + @return A pointer to the current device path instance. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +GetNextDevicePathInstance ( + EFI_DEVICE_PATH_PROTOCOL **DevicePath, + UINTN *Size + ) +{ + return UefiDevicePathLibGetNextDevicePathInstance (DevicePath, Size); +} + +/** + 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 * +CreateDeviceNode ( + UINT8 NodeType, + UINT8 NodeSubType, + UINT16 NodeLength + ) +{ + return UefiDevicePathLibCreateDeviceNode (NodeType, NodeSubType, NodeLength); +} + +/** + Determines if a device path is single or multi-instance. + + This function returns TRUE if the device path specified by DevicePath is + multi-instance. + Otherwise, FALSE is returned. + If DevicePath is NULL or invalid, then FALSE is returned. + + @param DevicePath A pointer to a device path data structure. + + @retval TRUE DevicePath is multi-instance. + @retval FALSE DevicePath is not multi-instance, or DevicePath + is NULL or invalid. + +**/ +BOOLEAN +IsDevicePathMultiInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ) +{ + return UefiDevicePathLibIsDevicePathMultiInstance (DevicePath); +} + +/** + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +ConvertTextToDeviceNode ( + CONST CHAR16 *TextDeviceNode + ) +{ + return UefiDevicePathLibConvertTextToDeviceNode (TextDeviceNode); +} + +/** + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +ConvertTextToDevicePath ( + CONST CHAR16 *TextDevicePath + ) +{ + return UefiDevicePathLibConvertTextToDevicePath (TextDevicePath); +} diff --git a/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.h b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.h new file mode 100644 index 00000000..4e855acc --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/BaseTools/Source/C/DevicePath/UefiDevicePathLib.h @@ -0,0 +1,439 @@ +/** @file + Definition for Device Path library. + +Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef _UEFI_DEVICE_PATH_LIB_H_ +#define _UEFI_DEVICE_PATH_LIB_H_ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <assert.h> +#ifdef __GNUC__ +#include <unistd.h> +#else +#include <direct.h> +#endif +#include <Common/UefiBaseTypes.h> +#include <Protocol/DevicePath.h> +#include <Protocol/DevicePathUtilities.h> +#include "CommonLib.h" +#include "EfiUtilityMsgs.h" + +#define END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL)) +#define MAX_DEVICE_PATH_NODE_COUNT 1024 +#define SIZE_64KB 0x00010000 + +// +// Private Data structure +// +typedef +EFI_DEVICE_PATH_PROTOCOL * +(*DEVICE_PATH_FROM_TEXT) ( + IN CHAR16 *Str + ); + +typedef struct { + CHAR16 *Str; + UINTN Count; + UINTN Capacity; +} POOL_PRINT; + + +typedef struct { + CHAR16 *DevicePathNodeText; + DEVICE_PATH_FROM_TEXT Function; +} DEVICE_PATH_FROM_TEXT_TABLE; + +typedef struct { + BOOLEAN ClassExist; + UINT8 Class; + BOOLEAN SubClassExist; + UINT8 SubClass; +} USB_CLASS_TEXT; + +#define USB_CLASS_AUDIO 1 +#define USB_CLASS_CDCCONTROL 2 +#define USB_CLASS_HID 3 +#define USB_CLASS_IMAGE 6 +#define USB_CLASS_PRINTER 7 +#define USB_CLASS_MASS_STORAGE 8 +#define USB_CLASS_HUB 9 +#define USB_CLASS_CDCDATA 10 +#define USB_CLASS_SMART_CARD 11 +#define USB_CLASS_VIDEO 14 +#define USB_CLASS_DIAGNOSTIC 220 +#define USB_CLASS_WIRELESS 224 + +#define USB_CLASS_RESERVE 254 +#define USB_SUBCLASS_FW_UPDATE 1 +#define USB_SUBCLASS_IRDA_BRIDGE 2 +#define USB_SUBCLASS_TEST 3 + +#define RFC_1700_UDP_PROTOCOL 17 +#define RFC_1700_TCP_PROTOCOL 6 + +#pragma pack(1) + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + EFI_GUID Guid; + UINT8 VendorDefinedData[1]; +} VENDOR_DEFINED_HARDWARE_DEVICE_PATH; + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + EFI_GUID Guid; + UINT8 VendorDefinedData[1]; +} VENDOR_DEFINED_MESSAGING_DEVICE_PATH; + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + EFI_GUID Guid; + UINT8 VendorDefinedData[1]; +} VENDOR_DEFINED_MEDIA_DEVICE_PATH; + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + UINT32 Hid; + UINT32 Uid; + UINT32 Cid; + CHAR8 HidUidCidStr[3]; +} ACPI_EXTENDED_HID_DEVICE_PATH_WITH_STR; + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + UINT16 NetworkProtocol; + UINT16 LoginOption; + UINT64 Lun; + UINT16 TargetPortalGroupTag; + CHAR8 TargetName[1]; +} ISCSI_DEVICE_PATH_WITH_NAME; + +typedef struct { + EFI_DEVICE_PATH_PROTOCOL Header; + EFI_GUID Guid; + UINT8 VendorDefinedData[1]; +} VENDOR_DEVICE_PATH_WITH_DATA; + +#pragma pack() + +/** + 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 +UefiDevicePathLibGetDevicePathSize ( + CONST EFI_DEVICE_PATH_PROTOCOL *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 * +UefiDevicePathLibDuplicateDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *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 * +UefiDevicePathLibAppendDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL + ); + +/** + 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 * +UefiDevicePathLibAppendDevicePathNode ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL + ); + +/** + Creates a new device path by appending the specified device path instance to the specified device + path. + + This function creates a new device path by appending a copy of the device path + instance specified by DevicePathInstance to a copy of the device path specified + by DevicePath in a allocated buffer. + The end-of-device-path device node is moved after the end of the appended device + path instance and a new end-of-device-path-instance node is inserted between. + If DevicePath is NULL, then a copy if DevicePathInstance is returned. + If DevicePathInstance is NULL, then NULL is returned. + If DevicePath or DevicePathInstance is invalid, 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 DevicePath A pointer to a device path data structure. + @param DevicePathInstance A pointer to a device path instance. + + @return A pointer to the new device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibAppendDevicePathInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL + ); + +/** + Creates a copy of the current device path instance and returns a pointer to the next device path + instance. + + This function creates a copy of the current device path instance. It also updates + DevicePath to point to the next device path instance in the device path (or NULL + if no more) and updates Size to hold the size of the device path instance copy. + If DevicePath is NULL, then NULL is returned. + If DevicePath points to a invalid device path, 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. + If Size is NULL, then ASSERT(). + + @param DevicePath On input, this holds the pointer to the current + device path instance. On output, this holds + the pointer to the next device path instance + or NULL if there are no more device path + instances in the device path pointer to a + device path data structure. + @param Size On output, this holds the size of the device + path instance, in bytes or zero, if DevicePath + is NULL. + + @return A pointer to the current device path instance. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibGetNextDevicePathInstance ( + EFI_DEVICE_PATH_PROTOCOL **DevicePath, + UINTN *Size + ); + +/** + 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 * +UefiDevicePathLibCreateDeviceNode ( + UINT8 NodeType, + UINT8 NodeSubType, + UINT16 NodeLength + ); + +/** + Determines if a device path is single or multi-instance. + + This function returns TRUE if the device path specified by DevicePath is + multi-instance. + Otherwise, FALSE is returned. + If DevicePath is NULL or invalid, then FALSE is returned. + + @param DevicePath A pointer to a device path data structure. + + @retval TRUE DevicePath is multi-instance. + @retval FALSE DevicePath is not multi-instance, or DevicePath + is NULL or invalid. + +**/ +BOOLEAN +UefiDevicePathLibIsDevicePathMultiInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibConvertTextToDeviceNode ( + CONST CHAR16 *TextDeviceNode + ); + +/** + 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. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +UefiDevicePathLibConvertTextToDevicePath ( + CONST CHAR16 *TextDevicePath + ); + +EFI_DEVICE_PATH_PROTOCOL * +CreateDeviceNode ( + UINT8 NodeType, + UINT8 NodeSubType, + UINT16 NodeLength + ); + +BOOLEAN +IsDevicePathMultiInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +EFI_DEVICE_PATH_PROTOCOL * +GetNextDevicePathInstance ( + EFI_DEVICE_PATH_PROTOCOL **DevicePath, + UINTN *Size + ); + +EFI_DEVICE_PATH_PROTOCOL * +AppendDevicePathInstance ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL + ); + +EFI_DEVICE_PATH_PROTOCOL * +AppendDevicePathNode ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL + ); +EFI_DEVICE_PATH_PROTOCOL * +AppendDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL + CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL + ); + +EFI_DEVICE_PATH_PROTOCOL * +DuplicateDevicePath ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +UINTN +GetDevicePathSize ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +CHAR16 * +ConvertDeviceNodeToText ( + CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode, + BOOLEAN DisplayOnly, + BOOLEAN AllowShortcuts + ); + +CHAR16 * +ConvertDevicePathToText ( + CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + BOOLEAN DisplayOnly, + BOOLEAN AllowShortcuts + ); + +EFI_DEVICE_PATH_PROTOCOL * +ConvertTextToDeviceNode ( + CONST CHAR16 *TextDeviceNode + ); + +EFI_DEVICE_PATH_PROTOCOL * +ConvertTextToDevicePath ( + CONST CHAR16 *TextDevicePath + ); + +#endif |