+/** @file\r
+ The device path protocol as defined in UEFI 2.0.\r
+\r
+ The device path represents a programatic path to a device. It's the view\r
+ from a software point of view. It also must persist from boot to boot, so \r
+ it can not contain things like PCI bus numbers that change from boot to boot.\r
+\r
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+\r
+ This program and the accompanying materials are licensed and made available\r
+ under the terms and conditions of the BSD License which accompanies this\r
+ distribution. The full text of the license may be found at:\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+ File Name: DevicePath.h\r
+\r
+**/\r
+\r
+#ifndef __EFI_DEVICE_PATH_PROTOCOL_H__\r
+#define __EFI_DEVICE_PATH_PROTOCOL_H__\r
+\r
+#include <Guid/PcAnsi.h>\r
+\r
+//\r
+// Device Path protocol\r
+//\r
+#define EFI_DEVICE_PATH_PROTOCOL_GUID \\r
+ { \\r
+ 0x9576e91, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \\r
+ }\r
+\r
+//\r
+// Protocol GUID defined in EFI1.1.\r
+// \r
+\r
+//\r
+// Device Path information\r
+//\r
+#define DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH_PROTOCOL_GUID\r
+\r
+#pragma pack(1)\r
+\r
+typedef struct {\r
+ UINT8 Type;\r
+ UINT8 SubType;\r
+ UINT8 Length[2];\r
+} EFI_DEVICE_PATH_PROTOCOL;\r
+\r
+//\r
+// For backward-compatible with EFI1.1.\r
+// \r
+typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;\r
+\r
+//\r
+// Hardware Device Paths\r
+//\r
+#define HARDWARE_DEVICE_PATH 0x01\r
+\r
+#define HW_PCI_DP 0x01\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT8 Function;\r
+ UINT8 Device;\r
+} PCI_DEVICE_PATH;\r
+\r
+#define HW_PCCARD_DP 0x02\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT8 FunctionNumber;\r
+} PCCARD_DEVICE_PATH;\r
+\r
+#define HW_MEMMAP_DP 0x03\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 MemoryType;\r
+ EFI_PHYSICAL_ADDRESS StartingAddress;\r
+ EFI_PHYSICAL_ADDRESS EndingAddress;\r
+} MEMMAP_DEVICE_PATH;\r
+\r
+#define HW_VENDOR_DP 0x04\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID Guid;\r
+} VENDOR_DEVICE_PATH;\r
+\r
+#define HW_CONTROLLER_DP 0x05\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 ControllerNumber;\r
+} CONTROLLER_DEVICE_PATH;\r
+\r
+//\r
+// ACPI Device Paths\r
+//\r
+#define ACPI_DEVICE_PATH 0x02\r
+\r
+#define ACPI_DP 0x01\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 HID;\r
+ UINT32 UID;\r
+} ACPI_HID_DEVICE_PATH;\r
+\r
+#define ACPI_EXTENDED_DP 0x02\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 HID;\r
+ UINT32 UID;\r
+ UINT32 CID;\r
+ //\r
+ // Optional variable length _HIDSTR\r
+ // Optional variable length _UIDSTR\r
+ //\r
+} ACPI_EXTENDED_HID_DEVICE_PATH;\r
+\r
+//\r
+// EISA ID Macro\r
+// EISA ID Definition 32-bits\r
+// bits[15:0] - three character compressed ASCII EISA ID.\r
+// bits[31:16] - binary number\r
+// Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z'\r
+//\r
+#define PNP_EISA_ID_CONST 0x41d0\r
+#define EISA_ID(_Name, _Num) ((UINT32) ((_Name) | (_Num) << 16))\r
+#define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))\r
+#define EFI_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))\r
+\r
+#define PNP_EISA_ID_MASK 0xffff\r
+#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)\r
+\r
+\r
+#define ACPI_ADR_DP 0x03\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 ADR;\r
+} ACPI_ADR_DEVICE_PATH;\r
+\r
+\r
+//\r
+// Messaging Device Paths\r
+//\r
+#define MESSAGING_DEVICE_PATH 0x03\r
+\r
+#define MSG_ATAPI_DP 0x01\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT8 PrimarySecondary;\r
+ UINT8 SlaveMaster;\r
+ UINT16 Lun;\r
+} ATAPI_DEVICE_PATH;\r
+\r
+#define MSG_SCSI_DP 0x02\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 Pun;\r
+ UINT16 Lun;\r
+} SCSI_DEVICE_PATH;\r
+\r
+#define MSG_FIBRECHANNEL_DP 0x03\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 Reserved;\r
+ UINT64 WWN;\r
+ UINT64 Lun;\r
+} FIBRECHANNEL_DEVICE_PATH;\r
+\r
+#define MSG_1394_DP 0x04\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 Reserved;\r
+ UINT64 Guid;\r
+} F1394_DEVICE_PATH;\r
+\r
+#define MSG_USB_DP 0x05\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT8 ParentPortNumber;\r
+ UINT8 InterfaceNumber;\r
+} USB_DEVICE_PATH;\r
+\r
+#define MSG_USB_CLASS_DP 0x0f\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 VendorId;\r
+ UINT16 ProductId;\r
+ UINT8 DeviceClass;\r
+ UINT8 DeviceSubClass;\r
+ UINT8 DeviceProtocol;\r
+} USB_CLASS_DEVICE_PATH;\r
+\r
+#define MSG_USB_WWID_DP 0x10\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 InterfaceNumber;\r
+ UINT16 VendorId;\r
+ UINT16 ProductId;\r
+ // CHAR16 SerialNumber[...];\r
+} USB_WWID_DEVICE_PATH;\r
+\r
+\r
+#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT8 Lun;\r
+} DEVICE_LOGICAL_UNIT_DEVICE_PATH;\r
+\r
+#define MSG_SATA_DP 0x12\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 HBAPortNumber;\r
+ UINT16 PortMultiplierPortNumber;\r
+ UINT16 Lun;\r
+} SATA_DEVICE_PATH;\r
+\r
+#define MSG_I2O_DP 0x06\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 Tid;\r
+} I2O_DEVICE_PATH;\r
+\r
+#define MSG_MAC_ADDR_DP 0x0b\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_MAC_ADDRESS MacAddress;\r
+ UINT8 IfType;\r
+} MAC_ADDR_DEVICE_PATH;\r
+\r
+#define MSG_IPv4_DP 0x0c\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_IPv4_ADDRESS LocalIpAddress;\r
+ EFI_IPv4_ADDRESS RemoteIpAddress;\r
+ UINT16 LocalPort;\r
+ UINT16 RemotePort;\r
+ UINT16 Protocol;\r
+ BOOLEAN StaticIpAddress;\r
+} IPv4_DEVICE_PATH;\r
+\r
+#define MSG_IPv6_DP 0x0d\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_IPv6_ADDRESS LocalIpAddress;\r
+ EFI_IPv6_ADDRESS RemoteIpAddress;\r
+ UINT16 LocalPort;\r
+ UINT16 RemotePort;\r
+ UINT16 Protocol;\r
+ BOOLEAN StaticIpAddress;\r
+} IPv6_DEVICE_PATH;\r
+\r
+#define MSG_INFINIBAND_DP 0x09\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 ResourceFlags;\r
+ UINT8 PortGid[16];\r
+ UINT64 ServiceId;\r
+ UINT64 TargetPortId;\r
+ UINT64 DeviceId;\r
+} INFINIBAND_DEVICE_PATH;\r
+\r
+#define INFINIBAND_RESOURCE_FLAG_IOC_SERVICE 0x01\r
+#define INFINIBAND_RESOURCE_FLAG_EXTENDED_BOOT_ENVIRONMENT 0x02\r
+#define INFINIBAND_RESOURCE_FLAG_CONSOLE_PROTOCOL 0x04\r
+#define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08\r
+#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10\r
+\r
+#define MSG_UART_DP 0x0e\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 Reserved;\r
+ UINT64 BaudRate;\r
+ UINT8 DataBits;\r
+ UINT8 Parity;\r
+ UINT8 StopBits;\r
+} UART_DEVICE_PATH;\r
+\r
+//\r
+// Use VENDOR_DEVICE_PATH struct\r
+//\r
+#define MSG_VENDOR_DP 0x0a\r
+typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH;\r
+\r
+#define DEVICE_PATH_MESSAGING_PC_ANSI EFI_PC_ANSI_GUID\r
+#define DEVICE_PATH_MESSAGING_VT_100 EFI_VT_100_GUID\r
+#define DEVICE_PATH_MESSAGING_VT_100_PLUS EFI_VT_100_PLUS_GUID\r
+#define DEVICE_PATH_MESSAGING_VT_UTF8 EFI_VT_UTF8_GUID\r
+\r
+#define DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL EFI_UART_DEVICE_PATH_GUID\r
+\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID Guid;\r
+ UINT32 FlowControlMap;\r
+} UART_FLOW_CONTROL_DEVICE_PATH;\r
+\r
+#define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID\r
+\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID Guid;\r
+ UINT32 Reserved;\r
+ UINT64 SasAddress;\r
+ UINT64 Lun;\r
+ UINT16 DeviceTopology;\r
+ UINT16 RelativeTargetPort;\r
+} SAS_DEVICE_PATH;\r
+\r
+#define MSG_ISCSI_DP 0x13\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 NetworkProtocol;\r
+ UINT16 LoginOption;\r
+ UINT64 Lun;\r
+ UINT16 TargetPortalGroupTag;\r
+ // CHAR8 iSCSI Target Name\r
+} ISCSI_DEVICE_PATH;\r
+\r
+#define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000\r
+#define ISCSI_LOGIN_OPTION_HEADER_DIGEST_USING_CRC32C 0x0002\r
+#define ISCSI_LOGIN_OPTION_NO_DATA_DIGEST 0x0000\r
+#define ISCSI_LOGIN_OPTION_DATA_DIGEST_USING_CRC32C 0x0008\r
+#define ISCSI_LOGIN_OPTION_AUTHMETHOD_CHAP 0x0000\r
+#define ISCSI_LOGIN_OPTION_AUTHMETHOD_NON 0x1000\r
+#define ISCSI_LOGIN_OPTION_CHAP_BI 0x0000\r
+#define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000\r
+\r
+//\r
+// Media Device Path\r
+//\r
+#define MEDIA_DEVICE_PATH 0x04\r
+\r
+#define MEDIA_HARDDRIVE_DP 0x01\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 PartitionNumber;\r
+ UINT64 PartitionStart;\r
+ UINT64 PartitionSize;\r
+ UINT8 Signature[16];\r
+ UINT8 MBRType;\r
+ UINT8 SignatureType;\r
+} HARDDRIVE_DEVICE_PATH;\r
+\r
+#define MBR_TYPE_PCAT 0x01\r
+#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02\r
+\r
+#define SIGNATURE_TYPE_MBR 0x01\r
+#define SIGNATURE_TYPE_GUID 0x02\r
+\r
+#define MEDIA_CDROM_DP 0x02\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT32 BootEntry;\r
+ UINT64 PartitionStart;\r
+ UINT64 PartitionSize;\r
+} CDROM_DEVICE_PATH;\r
+\r
+//\r
+// Use VENDOR_DEVICE_PATH struct\r
+//\r
+#define MEDIA_VENDOR_DP 0x03\r
+\r
+#define MEDIA_FILEPATH_DP 0x04\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ CHAR16 PathName[1];\r
+} FILEPATH_DEVICE_PATH;\r
+\r
+#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)\r
+\r
+#define MEDIA_PROTOCOL_DP 0x05\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID Protocol;\r
+} MEDIA_PROTOCOL_DEVICE_PATH;\r
+\r
+\r
+#define MEDIA_PIWG_FW_VOL_DP 0x7\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID FvName;\r
+} MEDIA_FW_VOL_DEVICE_PATH;\r
+\r
+\r
+#define MEDIA_PIWG_FW_FILE_DP 0x6\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ EFI_GUID FvFileName;\r
+} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;\r
+\r
+//\r
+// BBS Device Path\r
+//\r
+#define BBS_DEVICE_PATH 0x05\r
+#define BBS_BBS_DP 0x01\r
+typedef struct {\r
+ EFI_DEVICE_PATH_PROTOCOL Header;\r
+ UINT16 DeviceType;\r
+ UINT16 StatusFlag;\r
+ CHAR8 String[1];\r
+} BBS_BBS_DEVICE_PATH;\r
+\r
+//\r
+// DeviceType definitions - from BBS specification\r
+//\r
+#define BBS_TYPE_FLOPPY 0x01\r
+#define BBS_TYPE_HARDDRIVE 0x02\r
+#define BBS_TYPE_CDROM 0x03\r
+#define BBS_TYPE_PCMCIA 0x04\r
+#define BBS_TYPE_USB 0x05\r
+#define BBS_TYPE_EMBEDDED_NETWORK 0x06\r
+#define BBS_TYPE_BEV 0x80\r
+#define BBS_TYPE_UNKNOWN 0xFF\r
+\r
+\r
+//\r
+// Union of all possible Device Paths and pointers to Device Paths\r
+//\r
+\r
+typedef union {\r
+ EFI_DEVICE_PATH_PROTOCOL DevPath;\r
+ PCI_DEVICE_PATH Pci;\r
+ PCCARD_DEVICE_PATH PcCard;\r
+ MEMMAP_DEVICE_PATH MemMap;\r
+ VENDOR_DEVICE_PATH Vendor;\r
+\r
+ CONTROLLER_DEVICE_PATH Controller;\r
+ ACPI_HID_DEVICE_PATH Acpi;\r
+\r
+ ATAPI_DEVICE_PATH Atapi;\r
+ SCSI_DEVICE_PATH Scsi;\r
+ ISCSI_DEVICE_PATH Iscsi;\r
+ FIBRECHANNEL_DEVICE_PATH FibreChannel;\r
+\r
+ F1394_DEVICE_PATH F1394;\r
+ USB_DEVICE_PATH Usb;\r
+ SATA_DEVICE_PATH Sata;\r
+ USB_CLASS_DEVICE_PATH UsbClass;\r
+ I2O_DEVICE_PATH I2O;\r
+ MAC_ADDR_DEVICE_PATH MacAddr;\r
+ IPv4_DEVICE_PATH Ipv4;\r
+ IPv6_DEVICE_PATH Ipv6;\r
+ INFINIBAND_DEVICE_PATH InfiniBand;\r
+ UART_DEVICE_PATH Uart;\r
+\r
+ HARDDRIVE_DEVICE_PATH HardDrive;\r
+ CDROM_DEVICE_PATH CD;\r
+\r
+ FILEPATH_DEVICE_PATH FilePath;\r
+ MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol;\r
+\r
+ BBS_BBS_DEVICE_PATH Bbs;\r
+} EFI_DEV_PATH;\r
+\r
+\r
+\r
+typedef union {\r
+ EFI_DEVICE_PATH_PROTOCOL *DevPath;\r
+ PCI_DEVICE_PATH *Pci;\r
+ PCCARD_DEVICE_PATH *PcCard;\r
+ MEMMAP_DEVICE_PATH *MemMap;\r
+ VENDOR_DEVICE_PATH *Vendor;\r
+\r
+ CONTROLLER_DEVICE_PATH *Controller;\r
+ ACPI_HID_DEVICE_PATH *Acpi;\r
+ ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;\r
+\r
+ ATAPI_DEVICE_PATH *Atapi;\r
+ SCSI_DEVICE_PATH *Scsi;\r
+ FIBRECHANNEL_DEVICE_PATH *FibreChannel;\r
+\r
+ F1394_DEVICE_PATH *F1394;\r
+ USB_DEVICE_PATH *Usb;\r
+ SATA_DEVICE_PATH *Sata;\r
+ USB_CLASS_DEVICE_PATH *UsbClass;\r
+ I2O_DEVICE_PATH *I2O;\r
+ MAC_ADDR_DEVICE_PATH *MacAddr;\r
+ IPv4_DEVICE_PATH *Ipv4;\r
+ IPv6_DEVICE_PATH *Ipv6;\r
+ INFINIBAND_DEVICE_PATH *InfiniBand;\r
+ UART_DEVICE_PATH *Uart;\r
+\r
+ HARDDRIVE_DEVICE_PATH *HardDrive;\r
+ CDROM_DEVICE_PATH *CD;\r
+\r
+ FILEPATH_DEVICE_PATH *FilePath;\r
+ MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol;\r
+\r
+ BBS_BBS_DEVICE_PATH *Bbs;\r
+ UINT8 *Raw;\r
+} EFI_DEV_PATH_PTR;\r
+\r
+#pragma pack()\r
+ \r
+#define EFI_DP_TYPE_MASK 0x7F\r
+#define EFI_DP_TYPE_UNPACKED 0x80\r
+#define END_DEVICE_PATH_TYPE 0x7f\r
+ \r
+#define EFI_END_ENTIRE_DEVICE_PATH 0xff\r
+#define EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff\r
+#define EFI_END_INSTANCE_DEVICE_PATH 0x01\r
+#define END_ENTIRE_DEVICE_PATH_SUBTYPE EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE\r
+#define END_INSTANCE_DEVICE_PATH_SUBTYPE EFI_END_INSTANCE_DEVICE_PATH\r
+ \r
+#define EFI_END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL))\r
+#define END_DEVICE_PATH_LENGTH EFI_END_DEVICE_PATH_LENGTH\r
+ \r
+#define DP_IS_END_TYPE(a) \r
+#define DP_IS_END_SUBTYPE(a) (((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)\r
+#define DevicePathSubType(a) ((a)->SubType)\r
+#define IsDevicePathUnpacked(a) ((a)->Type & EFI_DP_TYPE_UNPACKED)\r
+ \r
+#define EfiDevicePathNodeLength(a) (((a)->Length[0]) | ((a)->Length[1] << 8))\r
+#define DevicePathNodeLength(a) (EfiDevicePathNodeLength(a))\r
+#define EfiNextDevicePathNode(a) ((EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) (a)) + EfiDevicePathNodeLength (a)))\r
+#define NextDevicePathNode(a) (EfiNextDevicePathNode(a)) \r
+ \r
+#define EfiDevicePathType(a) (((a)->Type) & EFI_DP_TYPE_MASK)\r
+#define DevicePathType(a) (EfiDevicePathType(a))\r
+#define EfiIsDevicePathEndType(a) (EfiDevicePathType (a) == END_DEVICE_PATH_TYPE)\r
+#define IsDevicePathEndType(a) (EfiIsDevicePathEndType(a)) \r
+ \r
+ \r
+#define EfiIsDevicePathEndSubType(a) ((a)->SubType == EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE)\r
+#define IsDevicePathEndSubType(a) (EfiIsDevicePathEndSubType(a))\r
+#define EfiIsDevicePathEndInstanceSubType(a) ((a)->SubType == EFI_END_INSTANCE_DEVICE_PATH)\r
+ \r
+#define EfiIsDevicePathEnd(a) (EfiIsDevicePathEndType (a) && EfiIsDevicePathEndSubType (a))\r
+#define IsDevicePathEnd(a) (EfiIsDevicePathEnd(a))\r
+#define EfiIsDevicePathEndInstance(a) (EfiIsDevicePathEndType (a) && EfiIsDevicePathEndInstanceSubType (a))\r
+\r
+\r
+#define SetDevicePathNodeLength(a,l) { \\r
+ (a)->Length[0] = (UINT8) (l); \\r
+ (a)->Length[1] = (UINT8) ((l) >> 8); \\r
+ }\r
+\r
+#define SetDevicePathEndNode(a) { \\r
+ (a)->Type = END_DEVICE_PATH_TYPE; \\r
+ (a)->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; \\r
+ (a)->Length[0] = sizeof(EFI_DEVICE_PATH_PROTOCOL); \\r
+ (a)->Length[1] = 0; \\r
+ }\r
+\r
+extern EFI_GUID gEfiDevicePathProtocolGuid;\r
+\r
+#endif\r
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