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Diffstat (limited to 'Core/CORE_DXE/DevicePathFromText.c')
| -rw-r--r-- | Core/CORE_DXE/DevicePathFromText.c | 3310 |
1 files changed, 3310 insertions, 0 deletions
diff --git a/Core/CORE_DXE/DevicePathFromText.c b/Core/CORE_DXE/DevicePathFromText.c new file mode 100644 index 0000000..5f4e4d1 --- /dev/null +++ b/Core/CORE_DXE/DevicePathFromText.c @@ -0,0 +1,3310 @@ +/** @file + DevicePathFromText protocol as defined in the UEFI 2.0 specification. + +Copyright (c) 2006 - 2010, Intel Corporation. <BR> +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + + +#include "DevicePath.h" +#include "EdkIICommon.h" + + +UINT64 +LShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + +VOID* +DPCreateNode ( + IN UINT8 Type, + IN UINT8 SubType, + IN UINT16 Length + ); + +VOID* +DPAddNode ( + IN EFI_DEVICE_PATH_PROTOCOL *pDp1, + IN EFI_DEVICE_PATH_PROTOCOL *pDp2 + ); + +EFI_STATUS +HexStringToBuf ( + IN OUT UINT8 *Buf, + IN OUT UINTN *Len, + IN CHAR16 *Str, + OUT UINTN *ConvertedStrLen OPTIONAL + ); + +EFI_DEVICE_PATH_PROTOCOL * +CreateDeviceNode ( + IN UINT8 Type, + IN UINT8 SubType, + IN UINT16 Length + ) +{ + return (EFI_DEVICE_PATH_PROTOCOL *) DPCreateNode(Type, SubType, Length); +} + +EFI_DEVICE_PATH_PROTOCOL * +AppendDeviceNodeProtocolInterface ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode + ) +{ + return (EFI_DEVICE_PATH_PROTOCOL *) DPAddNode ( + (EFI_DEVICE_PATH_PROTOCOL *)DevicePath, + (EFI_DEVICE_PATH_PROTOCOL *)DevicePathNode ); +} + + +/** + + Duplicates a string. + + @param Src Source string. + + @return The duplicated string. + +**/ +CHAR16 * +StrDuplicate ( + IN CONST CHAR16 *Src + ) +{ + return AllocateCopyPool (StrSize ((CHAR16 *)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 ( + IN CHAR16 *Str, + IN CHAR16 *NodeName + ) +{ + CHAR16 *ParamStr; + CHAR16 *StrPointer; + UINTN NodeNameLength; + UINTN ParameterLength; + + // + // Check whether the node name matchs + // + NodeNameLength = StrLen (NodeName); + if (CompareMem (Str, NodeName, NodeNameLength * sizeof (CHAR16)) != 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 current sub-string from a string list, before return + the list header is moved to next sub-string. The sub-string is separated + by the specified character. For example, the separator is ',', the string + list is "2,0,3", it returns "2", the remain list move to "0,3" + + @param List A string list separated by the specified separator + @param Separator The separator character + + @return A pointer to the current sub-string + +**/ +CHAR16 * +SplitStr ( + IN OUT CHAR16 **List, + IN CHAR16 Separator + ) +{ + CHAR16 *Str; + CHAR16 *ReturnStr; + + Str = *List; + ReturnStr = Str; + + if (IS_NULL (*Str)) { + return ReturnStr; + } + + // + // Find first occurrence of the separator + // + while (!IS_NULL (*Str)) { + if (*Str == Separator) { + break; + } + Str++; + } + + if (*Str == Separator) { + // + // Find a sub-string, terminate it + // + *Str = L'\0'; + Str++; + } + + // + // Move to next sub-string + // + *List = Str; + + return ReturnStr; +} + +/** + Gets the next parameter string from the list. + + @param List A string list separated by the specified separator + + @return A pointer to the current sub-string + +**/ +CHAR16 * +GetNextParamStr ( + IN OUT 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 ( + IN OUT CHAR16 **DevicePath, + OUT BOOLEAN *IsInstanceEnd + ) +{ + CHAR16 *Str; + CHAR16 *ReturnStr; + UINTN ParenthesesStack; + + Str = *DevicePath; + if (IS_NULL (*Str)) { + return NULL; + } + + // + // Skip the leading '/', '(', ')' and ',' + // + while (!IS_NULL (*Str)) { + if (!IS_SLASH (*Str) && + !IS_COMMA (*Str) && + !IS_LEFT_PARENTH (*Str) && + !IS_RIGHT_PARENTH (*Str)) { + break; + } + Str++; + } + + ReturnStr = Str; + + // + // Scan for the separator of this device node, '/' or ',' + // + ParenthesesStack = 0; + while (!IS_NULL (*Str)) { + if ((IS_COMMA (*Str) || IS_SLASH (*Str)) && (ParenthesesStack == 0)) { + break; + } + + if (IS_LEFT_PARENTH (*Str)) { + ParenthesesStack++; + } else if (IS_RIGHT_PARENTH (*Str)) { + ParenthesesStack--; + } + + Str++; + } + + if (ParenthesesStack != 0) { + // + // The '(' doesn't pair with ')', invalid device path text + // + return NULL; + } + + if (IS_COMMA (*Str)) { + *IsInstanceEnd = TRUE; + *Str = L'\0'; + Str++; + } else { + *IsInstanceEnd = FALSE; + if (!IS_NULL (*Str)) { + *Str = L'\0'; + Str++; + } + } + + *DevicePath = Str; + + return ReturnStr; +} + + +/** + Skip the leading white space and '0x' or '0X' of a integer string + + @param Str The integer string + @param IsHex TRUE: Hex string, FALSE: Decimal string + + @return The trimmed Hex string. + +**/ +CHAR16 * +TrimHexStr ( + IN CHAR16 *Str, + OUT BOOLEAN *IsHex + ) +{ + *IsHex = FALSE; + + // + // skip preceeding white space + // + while ((*Str != 0) && *Str == ' ') { + Str += 1; + } + // + // skip preceeding zeros + // + while ((*Str != 0) && *Str == '0') { + Str += 1; + } + // + // skip preceeding character 'x' or 'X' + // + if ((*Str != 0) && (*Str == 'x' || *Str == 'X')) { + Str += 1; + *IsHex = TRUE; + } + + return Str; +} + +/** + + Convert hex string to uint. + + @param Str The hex string + + @return A UINTN value represented by Str + +**/ +UINTN +Xtoi ( + IN CHAR16 *Str + ) +{ + EFI_STATUS Status; + UINT8 *Buffer; + UINTN Result = 0; + UINTN Length = sizeof(UINTN); + + // + // Ignore the pad spaces (space or tab) + // + while ((*Str == L' ') || (*Str == L'\t')) { + Str++; + } + + // + // Ignore leading Zeros after the spaces + // + while (*Str == L'0') { + Str++; + } + + if ((*Str == L'X') || (*Str == L'x')) { + if (*(Str - 1) != L'0') { + return 0; + } + // + // Skip the 'X' + // + Str++; + } + + Buffer = (UINT8 *)&Result; + Status = HexStringToBuf(Buffer, &Length, Str, NULL); + if(EFI_ERROR(Status)) + return ~0; + + return Result; +} + +/** + + Convert hex string to 64 bit data. + + @param Str The hex string + @param Data A pointer to the UINT64 value represented by Str + +**/ +VOID +Xtoi64 ( + IN CHAR16 *Str, + OUT UINT64 *Data + ) +{ + EFI_STATUS Status; + UINT8 *Buffer; + UINT64 Result = 0; + UINTN Length = 8; + + // + // Ignore the pad spaces (space or tab) + // + while ((*Str == L' ') || (*Str == L'\t')) { + Str++; + } + + // + // Ignore leading Zeros after the spaces + // + while (*Str == L'0') { + Str++; + } + + if ((*Str == L'X') || (*Str == L'x')) { + if (*(Str - 1) != L'0') { + *Data = 0; + return; + } + // + // Skip the 'X' + // + Str++; + } + + Buffer = (UINT8 *)&Result; + Status = HexStringToBuf(Buffer, &Length, Str, NULL); + + *Data = (EFI_ERROR(Status)) ? ~0 : Result; +} + +/** + + Convert decimal string to uint. + + @param Str The decimal string + + @return A UINTN value represented by Str + +**/ +UINTN +Dtoi ( + IN CHAR16 *Str + ) +{ + UINTN Rvalue; + CHAR16 Char; + UINTN High; + UINTN Low; + + ASSERT (Str != NULL); + + High = (UINTN) -1 / 10; + Low = (UINTN) -1 % 10; + // + // skip preceeding white space + // + while ((*Str != 0) && *Str == ' ') { + Str += 1; + } + // + // convert digits + // + Rvalue = 0; + Char = *(Str++); + while (Char != 0) { + if (Char >= '0' && Char <= '9') { + if ((Rvalue > High || Rvalue == High) && (Char - '0' > (INTN) Low)) { + return (UINTN) -1; + } + + Rvalue = (Rvalue * 10) + Char - '0'; + } else { + break; + } + + Char = *(Str++); + } + + return Rvalue; +} + +/** + + Convert decimal string to uint. + + @param Str The decimal string + @param Data A pointer to the UINT64 value represented by Str + +**/ +VOID +Dtoi64 ( + IN CHAR16 *Str, + OUT UINT64 *Data + ) +{ + UINT64 Rvalue; + CHAR16 Char; + UINT64 High; + UINT64 Low; + + ASSERT (Str != NULL); + ASSERT (Data != NULL); + + // + // skip preceeding white space + // + while ((*Str != 0) && *Str == ' ') { + Str += 1; + } + // + // convert digits + // + Rvalue = 0; + Char = *(Str++); + while (Char != 0) { + if (Char >= '0' && Char <= '9') { + High = LShiftU64 (Rvalue, 3); + Low = LShiftU64 (Rvalue, 1); + Rvalue = High + Low + Char - '0'; + } else { + break; + } + + Char = *(Str++); + } + + *Data = Rvalue; +} + +/** + + Convert integer string to uint. + + @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal. + + @return A UINTN value represented by Str + +**/ +UINTN +Strtoi ( + IN CHAR16 *Str + ) +{ + BOOLEAN IsHex; + + Str = TrimHexStr (Str, &IsHex); + + if (IsHex) { + return Xtoi (Str); + } else { + return Dtoi (Str); + } +} + +/** + + Convert integer string to 64 bit data. + + @param Str The integer string. If leading with "0x" or "0X", it's hexadecimal. + @param Data A pointer to the UINT64 value represented by Str + +**/ +VOID +Strtoi64 ( + IN CHAR16 *Str, + OUT UINT64 *Data + ) +{ + BOOLEAN IsHex; + + Str = TrimHexStr (Str, &IsHex); + + if (IsHex) { + Xtoi64 (Str, Data); + } else { + Dtoi64 (Str, Data); + } +} + +/** + Converts a list of string to a specified buffer. + + @param Buf The output buffer that contains the string. + @param BufferLength The length of the buffer + @param Str The input string that contains the hex number + + @retval EFI_SUCCESS The string was successfully converted to the buffer. + +**/ +EFI_STATUS +StrToBuf ( + OUT UINT8 *Buf, + IN UINTN BufferLength, + IN CHAR16 *Str + ) +{ + UINTN Index; + UINTN StrLength; + UINT8 Digit; + UINT8 Byte; + + Digit = 0; + + // + // Two hex char make up one byte + // + StrLength = BufferLength * sizeof (CHAR16); + + for(Index = 0; Index < StrLength; Index++, Str++) { + + if ((*Str >= L'a') && (*Str <= L'f')) { + Digit = (UINT8) (*Str - L'a' + 0x0A); + } else if ((*Str >= L'A') && (*Str <= L'F')) { + Digit = (UINT8) (*Str - L'A' + 0x0A); + } else if ((*Str >= L'0') && (*Str <= L'9')) { + Digit = (UINT8) (*Str - L'0'); + } else { + return EFI_INVALID_PARAMETER; + } + + // + // For odd characters, write the upper nibble for each buffer byte, + // and for even characters, the lower nibble. + // + if ((Index & 1) == 0) { + Byte = (UINT8) (Digit << 4); + } else { + Byte = Buf[Index / 2]; + Byte &= 0xF0; + Byte = (UINT8) (Byte | Digit); + } + + Buf[Index / 2] = Byte; + } + + return EFI_SUCCESS; +} + +/** + Converts a string to GUID value. + Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + + @param Str The registry format GUID string that contains the GUID value. + @param Guid A pointer to the converted GUID value. + + @retval EFI_SUCCESS The GUID string was successfully converted to the GUID value. + @retval EFI_UNSUPPORTED The input string is not in registry format. + @return others Some error occurred when converting part of GUID value. + +**/ +EFI_STATUS +StrToGuid ( + IN CHAR16 *Str, + OUT EFI_GUID *Guid + ) +{ + // + // Get the first UINT32 data + // + Guid->Data1 = (UINT32) Xtoi (Str); + while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { + Str ++; + } + + if (IS_HYPHEN (*Str)) { + Str++; + } else { + return EFI_UNSUPPORTED; + } + + // + // Get the second UINT16 data + // + Guid->Data2 = (UINT16) Xtoi (Str); + while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { + Str ++; + } + + if (IS_HYPHEN (*Str)) { + Str++; + } else { + return EFI_UNSUPPORTED; + } + + // + // Get the third UINT16 data + // + Guid->Data3 = (UINT16) Xtoi (Str); + while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) { + Str ++; + } + + if (IS_HYPHEN (*Str)) { + Str++; + } else { + return EFI_UNSUPPORTED; + } + + // + // Get the following 8 bytes data + // + StrToBuf (&Guid->Data4[0], 2, Str); + // + // Skip 2 byte hex chars + // + Str += 2 * 2; + + if (IS_HYPHEN (*Str)) { + Str++; + } else { + return EFI_UNSUPPORTED; + } + StrToBuf (&Guid->Data4[2], 6, Str); + + return EFI_SUCCESS; +} + +/** + Converts a string to IPv4 address + + @param Str A string representation of IPv4 address. + @param IPv4Addr A pointer to the converted IPv4 address. + +**/ +VOID +StrToIPv4Addr ( + IN OUT CHAR16 **Str, + OUT EFI_IPV4_ADDRESS *IPv4Addr + ) +{ + UINTN Index; + + for (Index = 0; Index < 4; Index++) { + IPv4Addr->Addr[Index] = (UINT8) Dtoi (SplitStr (Str, L'.')); + } +} + +/** + Converts a string to IPv4 address + + @param Str A string representation of IPv6 address. + @param IPv6Addr A pointer to the converted IPv6 address. + +**/ +VOID +StrToIPv6Addr ( + IN OUT CHAR16 **Str, + OUT EFI_IPV6_ADDRESS *IPv6Addr + ) +{ + UINTN Index; + UINT16 Data; + + for (Index = 0; Index < 8; Index++) { + Data = (UINT16) Xtoi (SplitStr (Str, L':')); + IPv6Addr->Addr[Index * 2] = (UINT8) (Data >> 8); + IPv6Addr->Addr[Index * 2 + 1] = (UINT8) (Data & 0xff); + } +} + +/** + Converts a Unicode string to ASCII string. + + @param Str The equivalent Unicode string + @param AsciiStr On input, it points to destination ASCII string buffer; on output, it points + to the next ASCII string next to it + +**/ +VOID +StrToAscii ( + IN CHAR16 *Str, + IN OUT CHAR8 **AsciiStr + ) +{ + CHAR8 *Dest; + + Dest = *AsciiStr; + while (!IS_NULL (*Str)) { + *(Dest++) = (CHAR8) *(Str++); + } + *Dest = 0; + + // + // Return the string next to it + // + *AsciiStr = Dest + 1; +} + +/** + Swaps the byte order in given input + + @param Input Byte order to swap + + @return UINT64 value with swapped bytes + +**/ +UINT64 +SwapBytes64 ( + IN UINT64 Input + ) +{ + UINT64 Output = 0; + UINT8 *Inp; + UINT8 *Outp; + + Inp = (UINT8 *) &Input; + Outp = (UINT8 *) &Output; + + Outp[0] = Inp[7]; + Outp[1] = Inp[6]; + Outp[2] = Inp[5]; + Outp[3] = Inp[4]; + Outp[4] = Inp[3]; + Outp[5] = Inp[2]; + Outp[6] = Inp[1]; + Outp[7] = Inp[0]; + + return Output; +} + +/** + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *FunctionStr; + CHAR16 *DeviceStr; + PCI_DEVICE_PATH *Pci; + + DeviceStr = GetNextParamStr (&TextDeviceNode); + FunctionStr = GetNextParamStr (&TextDeviceNode); + Pci = (PCI_DEVICE_PATH *) CreateDeviceNode ( + HARDWARE_DEVICE_PATH, + HW_PCI_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *FunctionNumberStr; + PCCARD_DEVICE_PATH *Pccard; + + FunctionNumberStr = GetNextParamStr (&TextDeviceNode); + Pccard = (PCCARD_DEVICE_PATH *) CreateDeviceNode ( + HARDWARE_DEVICE_PATH, + HW_PCCARD_DP, + sizeof (PCCARD_DEVICE_PATH) + ); + + Pccard->Function = (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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *MemoryTypeStr; + CHAR16 *StartingAddressStr; + CHAR16 *EndingAddressStr; + MEMMAP_DEVICE_PATH *MemMap; + + MemoryTypeStr = GetNextParamStr (&TextDeviceNode); + StartingAddressStr = GetNextParamStr (&TextDeviceNode); + EndingAddressStr = GetNextParamStr (&TextDeviceNode); + MemMap = (MEMMAP_DEVICE_PATH *) CreateDeviceNode ( + HARDWARE_DEVICE_PATH, + HW_MEMMAP_DP, + 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 ( + IN CHAR16 *TextDeviceNode, + IN UINT8 Type, + IN UINT8 SubType + ) +{ + CHAR16 *GuidStr; + CHAR16 *DataStr; + UINTN Length; + VENDOR_DEVICE_PATH *Vendor; + + GuidStr = GetNextParamStr (&TextDeviceNode); + + DataStr = GetNextParamStr (&TextDeviceNode); + Length = StrLen (DataStr); + // + // Two hex characters make up 1 buffer byte + // + Length = (Length + 1) / 2; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + Type, + SubType, + (UINT16) (sizeof (VENDOR_DEVICE_PATH) + Length) + ); + + StrToGuid (GuidStr, &Vendor->Guid); + StrToBuf (((UINT8 *) Vendor) + sizeof (VENDOR_DEVICE_PATH), Length, DataStr); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextVendor ( + TextDeviceNode, + HARDWARE_DEVICE_PATH, + HW_VENDOR_DP + ); +} + +/** + Converts a text device path node to Hardware Controller device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Hardware Controller device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextCtrl ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *ControllerStr; + CONTROLLER_DEVICE_PATH *Controller; + + ControllerStr = GetNextParamStr (&TextDeviceNode); + Controller = (CONTROLLER_DEVICE_PATH *) CreateDeviceNode ( + HARDWARE_DEVICE_PATH, + HW_CONTROLLER_DP, + sizeof (CONTROLLER_DEVICE_PATH) + ); + Controller->Controller = (UINT32) Strtoi (ControllerStr); + + return (EFI_DEVICE_PATH_PROTOCOL *) Controller; +} + +/** + Converts a string to EisaId. + + @param Text The input string. + @param EisaId A pointer to the output EisaId. + +**/ +VOID +EisaIdFromText ( + IN CHAR16 *Text, + OUT UINT32 *EisaId + ) +{ + UINTN PnpId; + + PnpId = Xtoi (Text + 3); + *EisaId = (((Text[0] - '@') & 0x1f) << 10) + + (((Text[1] - '@') & 0x1f) << 5) + + ((Text[2] - '@') & 0x1f) + + (UINT32) (PnpId << 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *HIDStr; + CHAR16 *UIDStr; + ACPI_HID_DEVICE_PATH *Acpi; + + HIDStr = GetNextParamStr (&TextDeviceNode); + UIDStr = GetNextParamStr (&TextDeviceNode); + Acpi = (ACPI_HID_DEVICE_PATH *) CreateDeviceNode ( + ACPI_DEVICE_PATH, + ACPI_DP, + sizeof (ACPI_HID_DEVICE_PATH) + ); + + EisaIdFromText (HIDStr, &Acpi->HID); + 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 ( + IN CHAR16 *TextDeviceNode, + IN UINT32 PnPId + ) +{ + CHAR16 *UIDStr; + ACPI_HID_DEVICE_PATH *Acpi; + + UIDStr = GetNextParamStr (&TextDeviceNode); + Acpi = (ACPI_HID_DEVICE_PATH *) CreateDeviceNode ( + ACPI_DEVICE_PATH, + ACPI_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0a03); +} + +/** + Converts a text device path node to PCIE root device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created PCIE root device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextPcieRoot ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0a08); +} + +/** + Converts a text device path node to Floppy device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Floppy device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFloppy ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0604); +} + +/** + Converts a text device path node to Keyboard device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Keyboard device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextKeyboard ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0301); +} + +/** + Converts a text device path node to Serial device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Serial device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextSerial ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0501); +} + +/** + Converts a text device path node to Parallel Port device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Parallel Port device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextParallelPort ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextAcpi (TextDeviceNode, 0x0401); +} + +/** + Converts a text device path node to ACPI extension device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created ACPI extension device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextAcpiEx ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *HIDStr; + CHAR16 *CIDStr; + CHAR16 *UIDStr; + CHAR16 *HIDSTRStr; + CHAR16 *CIDSTRStr; + CHAR16 *UIDSTRStr; + CHAR8 *AsciiStr; + UINT16 Length; + ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx; + + HIDStr = GetNextParamStr (&TextDeviceNode); + CIDStr = GetNextParamStr (&TextDeviceNode); + UIDStr = GetNextParamStr (&TextDeviceNode); + HIDSTRStr = GetNextParamStr (&TextDeviceNode); + CIDSTRStr = GetNextParamStr (&TextDeviceNode); + UIDSTRStr = GetNextParamStr (&TextDeviceNode); + + Length = (UINT16) (sizeof (ACPI_EXTENDED_HID_DEVICE_PATH) + StrLen (HIDSTRStr) + 1); + Length = (UINT16) (Length + StrLen (UIDSTRStr) + 1); + Length = (UINT16) (Length + StrLen (CIDSTRStr) + 1); + AcpiEx = (ACPI_EXTENDED_HID_DEVICE_PATH *) CreateDeviceNode ( + ACPI_DEVICE_PATH, + ACPI_EXTENDED_DP, + Length + ); + + EisaIdFromText (HIDStr, &AcpiEx->HID); + EisaIdFromText (CIDStr, &AcpiEx->CID); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *HIDStr; + CHAR16 *CIDStr; + CHAR16 *UIDSTRStr; + CHAR8 *AsciiStr; + UINT16 Length; + ACPI_EXTENDED_HID_DEVICE_PATH *AcpiEx; + + HIDStr = GetNextParamStr (&TextDeviceNode); + CIDStr = GetNextParamStr (&TextDeviceNode); + UIDSTRStr = GetNextParamStr (&TextDeviceNode); + Length = (UINT16) (sizeof (ACPI_EXTENDED_HID_DEVICE_PATH) + StrLen (UIDSTRStr) + 3); + AcpiEx = (ACPI_EXTENDED_HID_DEVICE_PATH *) CreateDeviceNode ( + ACPI_DEVICE_PATH, + ACPI_EXTENDED_DP, + Length + ); + + EisaIdFromText (HIDStr, &AcpiEx->HID); + EisaIdFromText (CIDStr, &AcpiEx->CID); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *DisplayDeviceStr; + ACPI_ADR_DEVICE_PATH *AcpiAdr; + UINTN Index; + UINTN Length; + + AcpiAdr = (ACPI_ADR_DEVICE_PATH *) CreateDeviceNode ( + ACPI_DEVICE_PATH, + ACPI_ADR_DP, + (UINT16) sizeof (ACPI_ADR_DEVICE_PATH) + ); + ASSERT (AcpiAdr != NULL); + + for (Index = 0; ; Index++) { + DisplayDeviceStr = GetNextParamStr (&TextDeviceNode); + if (IS_NULL (*DisplayDeviceStr)) { + break; + } + if (Index > 0) { + Length = DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr); + AcpiAdr = ReallocatePool ( + Length, + Length + sizeof (UINT32), + AcpiAdr + ); + ASSERT (AcpiAdr != NULL); + SetDevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *)AcpiAdr, Length + sizeof (UINT32)); + } + + (&AcpiAdr->ADR)[Index] = (UINT32) Strtoi (DisplayDeviceStr); + } + + return (EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr; +} + +/** + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *PrimarySecondaryStr; + CHAR16 *SlaveMasterStr; + CHAR16 *LunStr; + ATAPI_DEVICE_PATH *Atapi; + + Atapi = (ATAPI_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_ATAPI_DP, + sizeof (ATAPI_DEVICE_PATH) + ); + + PrimarySecondaryStr = GetNextParamStr (&TextDeviceNode); + SlaveMasterStr = GetNextParamStr (&TextDeviceNode); + LunStr = GetNextParamStr (&TextDeviceNode); + + Atapi->PrimarySecondary = (UINT8) ((StrCmp (PrimarySecondaryStr, L"Primary") == 0) ? 0 : 1); + Atapi->SlaveMaster = (UINT8) ((StrCmp (SlaveMasterStr, L"Master") == 0) ? 0 : 1); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *PunStr; + CHAR16 *LunStr; + SCSI_DEVICE_PATH *Scsi; + + PunStr = GetNextParamStr (&TextDeviceNode); + LunStr = GetNextParamStr (&TextDeviceNode); + Scsi = (SCSI_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_SCSI_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *WWNStr; + CHAR16 *LunStr; + FIBRECHANNEL_DEVICE_PATH *Fibre; + + WWNStr = GetNextParamStr (&TextDeviceNode); + LunStr = GetNextParamStr (&TextDeviceNode); + Fibre = (FIBRECHANNEL_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_FIBRECHANNEL_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *WWNStr; + CHAR16 *LunStr; + FIBRECHANNELEX_DEVICE_PATH *FibreEx; + + WWNStr = GetNextParamStr (&TextDeviceNode); + LunStr = GetNextParamStr (&TextDeviceNode); + FibreEx = (FIBRECHANNELEX_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_FIBRECHANNELEX_DP, + (UINT16) sizeof (FIBRECHANNELEX_DEVICE_PATH) + ); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *GuidStr; + F1394_DEVICE_PATH *F1394DevPath; + + GuidStr = GetNextParamStr (&TextDeviceNode); + F1394DevPath = (F1394_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_1394_DP, + sizeof (F1394_DEVICE_PATH) + ); + + F1394DevPath->Reserved = 0; + Xtoi64 (GuidStr, &F1394DevPath->Guid); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *PortStr; + CHAR16 *InterfaceStr; + USB_DEVICE_PATH *Usb; + + PortStr = GetNextParamStr (&TextDeviceNode); + InterfaceStr = GetNextParamStr (&TextDeviceNode); + Usb = (USB_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_USB_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *TIDStr; + I20_DEVICE_PATH *I2ODevPath; + + TIDStr = GetNextParamStr (&TextDeviceNode); + I2ODevPath = (I20_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_I2O_DP, + sizeof (I20_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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *FlagsStr; + CHAR16 *GuidStr; + CHAR16 *SidStr; + CHAR16 *TidStr; + CHAR16 *DidStr; + EFI_GUID PortGid; + 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, + sizeof (INFINIBAND_DEVICE_PATH) + ); + + InfiniBand->ResourceFlags = (UINT32) Strtoi (FlagsStr); + StrToGuid (GuidStr, &PortGid); + CopyMem (InfiniBand->PortGid, &PortGid, sizeof (EFI_GUID)); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextVendor ( + TextDeviceNode, + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP + ); +} + +/** + Converts a text device path node to Vendor defined PC-ANSI device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created Vendor defined PC-ANSI device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextVenPcAnsi ( + IN CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEVICE_PATH *Vendor; + + Vendor = (VENDOR_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *ValueStr; + UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl; + + ValueStr = GetNextParamStr (&TextDeviceNode); + UartFlowControl = (UART_FLOW_CONTROL_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *AddressStr; + CHAR16 *LunStr; + CHAR16 *RTPStr; + CHAR16 *SASSATAStr; + CHAR16 *LocationStr; + CHAR16 *ConnectStr; + CHAR16 *DriveBayStr; + CHAR16 *ReservedStr; + UINT16 Info; + 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); + Info = 0x0000; + Sas = (SAS_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + 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) { + if (StrCmp (DriveBayStr, L"0") == 0) { + Info |= 0x0001; + } else { + Info |= 0x0002; + Info = (UINT16) (Info | (Strtoi (DriveBayStr) << 8)); + } + + if (StrCmp (SASSATAStr, L"SATA") == 0) { + Info |= 0x0010; + } + + if (StrCmp (LocationStr, L"External") == 0) { + Info |= 0x0020; + } + + if (StrCmp (ConnectStr, L"Expanded") == 0) { + Info |= 0x0040; + } + } + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *AddressStr; + CHAR16 *LunStr; + CHAR16 *RTPStr; + CHAR16 *SASSATAStr; + CHAR16 *LocationStr; + CHAR16 *ConnectStr; + CHAR16 *DriveBayStr; + UINT16 Info; + 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); + Info = 0x0000; + SasEx = (SASEX_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_SASEX_DP, + (UINT16) sizeof (SASEX_DEVICE_PATH) + ); + + Strtoi64 (AddressStr, (UINT64 *) &SasEx->SasAddress); + Strtoi64 (LunStr, (UINT64 *) &SasEx->Lun); + *(UINT64 *) &SasEx->SasAddress = SwapBytes64 (*(UINT64 *) &SasEx->SasAddress); + *(UINT64 *) &SasEx->Lun = SwapBytes64 (*(UINT64 *) &SasEx->Lun); + SasEx->RelativeTargetPort = (UINT16) Strtoi (RTPStr); + if (StrCmp (SASSATAStr, L"NoTopology") != 0) { + if (StrCmp (DriveBayStr, L"0") == 0) { + Info |= 0x0001; + } else { + Info |= 0x0002; + Info = (UINT16) (Info | (Strtoi (DriveBayStr) << 8)); + } + + if (StrCmp (SASSATAStr, L"SATA") == 0) { + Info |= 0x0010; + } + + if (StrCmp (LocationStr, L"External") == 0) { + Info |= 0x0020; + } + + if (StrCmp (ConnectStr, L"Expanded") == 0) { + Info |= 0x0040; + } + } + + SasEx->DeviceTopology = Info; + + return (EFI_DEVICE_PATH_PROTOCOL *) SasEx; +} + +/** + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + VENDOR_DEFINED_MESSAGING_DEVICE_PATH *Vend; + + Vend = (VENDOR_DEFINED_MESSAGING_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VENDOR_DP, + sizeof (VENDOR_DEFINED_MESSAGING_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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *AddressStr; + CHAR16 *IfTypeStr; + UINTN Length; + MAC_ADDRESS_DEVICE_PATH *MACDevPath; + + AddressStr = GetNextParamStr (&TextDeviceNode); + IfTypeStr = GetNextParamStr (&TextDeviceNode); + MACDevPath = (MAC_ADDRESS_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_MAC_ADDR_DP, + sizeof (MAC_ADDRESS_DEVICE_PATH) + ); + + MACDevPath->IfType = (UINT8) Strtoi (IfTypeStr); + + Length = sizeof (EFI_MAC_ADDRESS); + StrToBuf (&MACDevPath->MacAddr.mac[0], Length, AddressStr); + + 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 ( + IN 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *RemoteIPStr; + CHAR16 *ProtocolStr; + CHAR16 *TypeStr; + CHAR16 *LocalIPStr; + CHAR16 *GatewayIPStr; + CHAR16 *SubnetMaskStr; + IPV4_DEVICE_PATH *IPv4; + + RemoteIPStr = GetNextParamStr (&TextDeviceNode); + ProtocolStr = GetNextParamStr (&TextDeviceNode); + TypeStr = GetNextParamStr (&TextDeviceNode); + LocalIPStr = GetNextParamStr (&TextDeviceNode); + GatewayIPStr = GetNextParamStr (&TextDeviceNode); + SubnetMaskStr = GetNextParamStr (&TextDeviceNode); + IPv4 = (IPV4_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_IPv4_DP, + sizeof (IPV4_DEVICE_PATH) + ); + + StrToIPv4Addr (&RemoteIPStr, &IPv4->RemoteIpAddress); + IPv4->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr); + if (StrCmp (TypeStr, L"Static") == 0) { + IPv4->StaticIpAddress = TRUE; + } else { + IPv4->StaticIpAddress = FALSE; + } + + StrToIPv4Addr (&LocalIPStr, &IPv4->LocalIpAddress); + if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*SubnetMaskStr)) { + StrToIPv4Addr (&GatewayIPStr, &IPv4->GatewayIpAddress); + StrToIPv4Addr (&SubnetMaskStr, &IPv4->SubnetMask); + } 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *RemoteIPStr; + CHAR16 *ProtocolStr; + CHAR16 *TypeStr; + CHAR16 *LocalIPStr; + CHAR16 *GatewayIPStr; + CHAR16 *PrefixLengthStr; + IPV6_DEVICE_PATH *IPv6; + + RemoteIPStr = GetNextParamStr (&TextDeviceNode); + ProtocolStr = GetNextParamStr (&TextDeviceNode); + TypeStr = GetNextParamStr (&TextDeviceNode); + LocalIPStr = GetNextParamStr (&TextDeviceNode); + PrefixLengthStr = GetNextParamStr (&TextDeviceNode); + GatewayIPStr = GetNextParamStr (&TextDeviceNode); + IPv6 = (IPV6_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_IPv6_DP, + sizeof (IPV6_DEVICE_PATH) + ); + + StrToIPv6Addr (&RemoteIPStr, &IPv6->RemoteIpAddress); + 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; + } + + StrToIPv6Addr (&LocalIPStr, &IPv6->LocalIpAddress); + if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*PrefixLengthStr)) { + StrToIPv6Addr (&GatewayIPStr, &IPv6->GatewayIpAddress); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *BaudStr; + CHAR16 *DataBitsStr; + CHAR16 *ParityStr; + CHAR16 *StopBitsStr; + UART_DEVICE_PATH *Uart; + + BaudStr = GetNextParamStr (&TextDeviceNode); + DataBitsStr = GetNextParamStr (&TextDeviceNode); + ParityStr = GetNextParamStr (&TextDeviceNode); + StopBitsStr = GetNextParamStr (&TextDeviceNode); + Uart = (UART_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_UART_DP, + sizeof (UART_DEVICE_PATH) + ); + + Uart->BaudRate = (StrCmp (BaudStr, L"DEFAULT") == 0) ? 115200 : Dtoi (BaudStr); + Uart->DataBits = (UINT8) ((StrCmp (DataBitsStr, L"DEFAULT") == 0) ? 8 : Dtoi (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; + + default: + Uart->Parity = 0xff; + } + + 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 = 0xff; + } + + 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 ( + IN CHAR16 *TextDeviceNode, + IN USB_CLASS_TEXT *UsbClassText + ) +{ + CHAR16 *VIDStr; + CHAR16 *PIDStr; + CHAR16 *ClassStr; + CHAR16 *SubClassStr; + CHAR16 *ProtocolStr; + USB_CLASS_DEVICE_PATH *UsbClass; + + UsbClass = (USB_CLASS_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_USB_CLASS_DP, + sizeof (USB_CLASS_DEVICE_PATH) + ); + + VIDStr = GetNextParamStr (&TextDeviceNode); + PIDStr = GetNextParamStr (&TextDeviceNode); + if (UsbClassText->ClassExist) { + ClassStr = GetNextParamStr (&TextDeviceNode); + UsbClass->DeviceClass = (UINT8) Strtoi (ClassStr); + } else { + UsbClass->DeviceClass = UsbClassText->Class; + } + if (UsbClassText->SubClassExist) { + SubClassStr = GetNextParamStr (&TextDeviceNode); + UsbClass->DeviceSubClass = (UINT8) Strtoi (SubClassStr); + } else { + UsbClass->DeviceSubClass = UsbClassText->SubClass; + } + + ProtocolStr = GetNextParamStr (&TextDeviceNode); + + UsbClass->VendorId = (UINT16) Strtoi (VIDStr); + UsbClass->ProductId = (UINT16) Strtoi (PIDStr); + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = TRUE; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB audio device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB audio device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbAudio ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_AUDIO; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB CDC Control device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB CDC Control device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbCDCControl ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_CDCCONTROL; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB HID device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB HID device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbHID ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_HID; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB Image device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB Image device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbImage ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_IMAGE; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB Print device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB Print device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbPrinter ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_PRINTER; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB mass storage device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB mass storage device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbMassStorage ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_MASS_STORAGE; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB HUB device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB HUB device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbHub ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_HUB; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB CDC data device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB CDC data device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbCDCData ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_CDCDATA; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB smart card device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB smart card device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbSmartCard ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_SMART_CARD; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB video device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB video device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbVideo ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_VIDEO; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB diagnostic device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB diagnostic device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbDiagnostic ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_DIAGNOSTIC; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB wireless device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB wireless device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbWireless ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_WIRELESS; + UsbClassText.SubClassExist = TRUE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB device firmware update device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB device firmware update device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbDeviceFirmwareUpdate ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_RESERVE; + UsbClassText.SubClassExist = FALSE; + UsbClassText.SubClass = USB_SUBCLASS_FW_UPDATE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB IRDA bridge device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB IRDA bridge device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbIrdaBridge ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_RESERVE; + UsbClassText.SubClassExist = FALSE; + UsbClassText.SubClass = USB_SUBCLASS_IRDA_BRIDGE; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB text and measurement device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB text and measurement device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbTestAndMeasurement ( + IN CHAR16 *TextDeviceNode + ) +{ + USB_CLASS_TEXT UsbClassText; + + UsbClassText.ClassExist = FALSE; + UsbClassText.Class = USB_CLASS_RESERVE; + UsbClassText.SubClassExist = FALSE; + UsbClassText.SubClass = USB_SUBCLASS_TEST; + + return ConvertFromTextUsbClass (TextDeviceNode, &UsbClassText); +} + +/** + Converts a text device path node to USB WWID device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created USB WWID device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextUsbWwid ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *VIDStr; + CHAR16 *PIDStr; + CHAR16 *InterfaceNumStr; + CHAR16 *SerialNumberStr; + USB_WWID_DEVICE_PATH *UsbWwid; + + VIDStr = GetNextParamStr (&TextDeviceNode); + PIDStr = GetNextParamStr (&TextDeviceNode); + InterfaceNumStr = GetNextParamStr (&TextDeviceNode); + SerialNumberStr = GetNextParamStr (&TextDeviceNode); + UsbWwid = (USB_WWID_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_USB_WWID_CLASS_DP, + (UINT16) (sizeof (USB_WWID_DEVICE_PATH) + StrSize (SerialNumberStr)) + ); + + UsbWwid->VendorId = (UINT16) Strtoi (VIDStr); + UsbWwid->ProductId = (UINT16) Strtoi (PIDStr); + UsbWwid->InterfaceNumber = (UINT16) Strtoi (InterfaceNumStr); + StrCpy ((CHAR16 *) ((UINT8 *) UsbWwid + sizeof (USB_WWID_DEVICE_PATH)), SerialNumberStr); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *LunStr; + LOGICAL_UNIT_DEVICE_PATH *LogicalUnit; + + LunStr = GetNextParamStr (&TextDeviceNode); + LogicalUnit = (LOGICAL_UNIT_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_USB_LOGICAL_UNIT_CLASS_DP, + (UINT16) sizeof (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 ( + IN CHAR16 *TextDeviceNode + ) +{ + UINT16 Options; + CHAR16 *NameStr; + CHAR16 *PortalGroupStr; + CHAR16 *LunStr; + CHAR16 *HeaderDigestStr; + CHAR16 *DataDigestStr; + CHAR16 *AuthenticationStr; + CHAR16 *ProtocolStr; + CHAR8 *AsciiStr; + ISCSI_DEVICE_PATH_WITH_NAME *ISCSIDevPath; + + 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, &ISCSIDevPath->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; + + ISCSIDevPath->NetworkProtocol = (UINT16) StrCmp (ProtocolStr, L"TCP"); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *VlanStr; + VLAN_DEVICE_PATH *Vlan; + + VlanStr = GetNextParamStr (&TextDeviceNode); + Vlan = (VLAN_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_VLAN_DP, + sizeof (VLAN_DEVICE_PATH) + ); + + Vlan->VlanId = (UINT16) Strtoi (VlanStr); + + return (EFI_DEVICE_PATH_PROTOCOL *) Vlan; +} + +/** + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *PartitionStr; + CHAR16 *TypeStr; + CHAR16 *SignatureStr; + CHAR16 *StartStr; + CHAR16 *SizeStr; + UINT32 Signature32; + EFI_GUID SignatureGuid; + 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, + sizeof (HARDDRIVE_DEVICE_PATH) + ); + + Hd->PartitionNumber = (UINT32) Dtoi (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); + CopyMem (Hd->Signature, &Signature32, sizeof (UINT32)); + } else if (StrCmp (TypeStr, L"GPT") == 0) { + Hd->SignatureType = SIGNATURE_TYPE_GUID; + Hd->MBRType = 0x02; + + StrToGuid (SignatureStr, &SignatureGuid); + CopyMem (Hd->Signature, &SignatureGuid, sizeof (EFI_GUID)); + } 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *EntryStr; + CHAR16 *StartStr; + CHAR16 *SizeStr; + CDROM_DEVICE_PATH *CDROMDevPath; + + EntryStr = GetNextParamStr (&TextDeviceNode); + StartStr = GetNextParamStr (&TextDeviceNode); + SizeStr = GetNextParamStr (&TextDeviceNode); + CDROMDevPath = (CDROM_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_CDROM_DP, + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + return ConvertFromTextVendor ( + TextDeviceNode, + MEDIA_DEVICE_PATH, + MEDIA_VENDOR_DP + ); +} + +/** + Converts a text device path node to File device path structure. + + @param TextDeviceNode The input Text device path node. + + @return A pointer to the newly-created File device path structure. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +DevPathFromTextFilePath ( + IN 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) + ); + + StrCpy (File->PathName, 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *GuidStr; + PROTOCOL_DEVICE_PATH *Media; + + GuidStr = GetNextParamStr (&TextDeviceNode); + Media = (PROTOCOL_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_PROTOCOL_DP, + sizeof (PROTOCOL_DEVICE_PATH) + ); + + StrToGuid (GuidStr, &Media->ProtocolGuid); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *GuidStr; + MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *Fv; + + GuidStr = GetNextParamStr (&TextDeviceNode); + Fv = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_FV_DP, + sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH) + ); + + StrToGuid (GuidStr, &Fv->NameGuid); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *GuidStr; + MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFile; + + GuidStr = GetNextParamStr (&TextDeviceNode); + FvFile = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_FV_FILEPATH_DP, + sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH) + ); + + StrToGuid (GuidStr, &FvFile->NameGuid); + + 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *StartingOffsetStr; + CHAR16 *EndingOffsetStr; + MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset; + + StartingOffsetStr = GetNextParamStr (&TextDeviceNode); + EndingOffsetStr = GetNextParamStr (&TextDeviceNode); + Offset = (MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *) CreateDeviceNode ( + MEDIA_DEVICE_PATH, + MEDIA_RELATIVE_OFFSET_RANGE_DP, + 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 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 ( + IN CHAR16 *TextDeviceNode + ) +{ + CHAR16 *TypeStr; + CHAR16 *IdStr; + CHAR16 *FlagsStr; + CHAR8 *AsciiStr; + BBS_BBS_DEVICE_PATH *Bbs; + + TypeStr = GetNextParamStr (&TextDeviceNode); + IdStr = GetNextParamStr (&TextDeviceNode); + FlagsStr = GetNextParamStr (&TextDeviceNode); + Bbs = (BBS_BBS_DEVICE_PATH *) CreateDeviceNode ( + BBS_DEVICE_PATH, + BBS_BBS_DP, + (UINT16) (sizeof (BBS_BBS_DEVICE_PATH) + StrLen (IdStr)) + ); + + if (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 ( + IN CHAR16 *TextDeviceNode + ) +{ + SATA_DEVICE_PATH *Sata; + CHAR16 *Param1; + CHAR16 *Param2; + CHAR16 *Param3; + + // + // The PMPN is optional. + // + Param1 = GetNextParamStr (&TextDeviceNode); + Param2 = GetNextParamStr (&TextDeviceNode); + Param3 = NULL; + if (!IS_NULL (TextDeviceNode)) { + Param3 = GetNextParamStr (&TextDeviceNode); + } + + Sata = (SATA_DEVICE_PATH *) CreateDeviceNode ( + MESSAGING_DEVICE_PATH, + MSG_SATA_DP, + sizeof (SATA_DEVICE_PATH) + ); + Sata->PortNumber = (UINT16) Xtoi (Param1); + if (Param3 != NULL) { + Sata->MultiplierPortNumber = (UINT16) Xtoi (Param2); + Param2 = Param3; + } else { + Sata->MultiplierPortNumber = SATA_HBA_DIRECT_CONNECT_FLAG; + } + Sata->LogicalUnitNumber = (UINT16) Xtoi (Param2); + + return (EFI_DEVICE_PATH_PROTOCOL *) Sata; +} + +GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE DevPathFromTextTable[] = { + {L"Pci", DevPathFromTextPci}, + {L"PcCard", DevPathFromTextPcCard}, + {L"MemoryMapped", DevPathFromTextMemoryMapped}, + {L"VenHw", DevPathFromTextVenHw}, + {L"Ctrl", DevPathFromTextCtrl}, + {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"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}, + {L"SasEx", DevPathFromTextSasEx}, + {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"HD", DevPathFromTextHD}, + {L"CDROM", DevPathFromTextCDROM}, + {L"VenMEDIA", DevPathFromTextVenMEDIA}, + {L"Media", DevPathFromTextMedia}, + {L"Fv", DevPathFromTextFv}, + {L"FvFile", DevPathFromTextFvFile}, + {L"Offset", DevPathFromTextRelativeOffsetRange}, + {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 * +EFIAPI +ConvertTextToDeviceNode ( + IN CONST CHAR16 *TextDeviceNode + ) +{ + DUMP_NODE DumpNode; + CHAR16 *ParamStr; + EFI_DEVICE_PATH_PROTOCOL *DeviceNode; + CHAR16 *DeviceNodeStr; + UINTN Index; + + if ((TextDeviceNode == NULL) || (IS_NULL (*TextDeviceNode))) { + return NULL; + } + + ParamStr = NULL; + DumpNode = NULL; + DeviceNodeStr = StrDuplicate (TextDeviceNode); + ASSERT (DeviceNodeStr != NULL); + + for (Index = 0; DevPathFromTextTable[Index].Function != NULL; Index++) { + ParamStr = GetParamByNodeName (DeviceNodeStr, DevPathFromTextTable[Index].DevicePathNodeText); + if (ParamStr != NULL) { + DumpNode = DevPathFromTextTable[Index].Function; + break; + } + } + + if (DumpNode == NULL) { + // + // A file path + // + DumpNode = DevPathFromTextFilePath; + DeviceNode = DumpNode (DeviceNodeStr); + } else { + DeviceNode = DumpNode (ParamStr); + FreePool (ParamStr); + } + + FreePool (DeviceNodeStr); + + return DeviceNode; +} + +/** + Convert text to the binary representation of a device path. + + + @param TextDevicePath TextDevicePath points to the text representation of a device + path. Conversion starts with the first character and continues + until the first non-device node character. + + @return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or + there was insufficient memory. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +ConvertTextToDevicePath ( + IN CONST CHAR16 *TextDevicePath + ) +{ + DUMP_NODE DumpNode; + CHAR16 *ParamStr; + EFI_DEVICE_PATH_PROTOCOL *DeviceNode; + UINTN Index; + EFI_DEVICE_PATH_PROTOCOL *NewDevicePath; + CHAR16 *DevicePathStr; + CHAR16 *Str; + CHAR16 *DeviceNodeStr; + UINT8 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); + + ParamStr = NULL; + DeviceNodeStr = NULL; + DevicePathStr = StrDuplicate (TextDevicePath); + + Str = DevicePathStr; + while ((DeviceNodeStr = GetNextDeviceNodeStr (&Str, &IsInstanceEnd)) != NULL) { + DumpNode = NULL; + for (Index = 0; DevPathFromTextTable[Index].Function != NULL; Index++) { + ParamStr = GetParamByNodeName (DeviceNodeStr, DevPathFromTextTable[Index].DevicePathNodeText); + if (ParamStr != NULL) { + DumpNode = DevPathFromTextTable[Index].Function; + break; + } + } + + if (DumpNode == NULL) { + // + // A file path + // + DumpNode = DevPathFromTextFilePath; + DeviceNode = DumpNode (DeviceNodeStr); + } else { + DeviceNode = DumpNode (ParamStr); + FreePool (ParamStr); + } + + NewDevicePath = AppendDeviceNodeProtocolInterface (DevicePath, DeviceNode); + FreePool (DevicePath); + FreePool (DeviceNode); + DevicePath = NewDevicePath; + + if (IsInstanceEnd != 0) { + DeviceNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH); + ASSERT (DeviceNode != NULL); + SET_DEVICE_PATH_INSTANCE_END_NODE (DeviceNode); + + NewDevicePath = AppendDeviceNodeProtocolInterface (DevicePath, DeviceNode); + FreePool (DevicePath); + FreePool (DeviceNode); + DevicePath = NewDevicePath; + } + } + + FreePool (DevicePathStr); + return DevicePath; +} + +EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL EfiDevicePathFromTextProtocol = { + ConvertTextToDeviceNode, + ConvertTextToDevicePath +}; |