X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=MdePkg%2FInclude%2FProtocol%2FDevicePath.h;h=53890a667eef70bd3849c823fc53e8f5b059bc46;hb=db5d3dbd76b6fe8bfaf4b85de792e9e18d5175ad;hp=f5df67a97f2704eb687a665fd9011ecc4a566a3a;hpb=842a119dba6f81ac1ce2bc14dacc9848ef766557;p=mirror_edk2.git diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h index f5df67a97f..53890a667e 100644 --- a/MdePkg/Include/Protocol/DevicePath.h +++ b/MdePkg/Include/Protocol/DevicePath.h @@ -76,36 +76,88 @@ typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH; /// #define HARDWARE_DEVICE_PATH 0x01 +/// +/// PCI Device Path SubType +/// #define HW_PCI_DP 0x01 + +/// +/// PCI Device Path +/// typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// PCI Function Number + /// UINT8 Function; + /// + /// PCI Device Number + /// UINT8 Device; } PCI_DEVICE_PATH; +/// +/// PCCARD Device Path SubType +/// #define HW_PCCARD_DP 0x02 + +/// +/// PCCARD Device Path +/// typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Function Number (0 = First Function) + /// UINT8 FunctionNumber; } PCCARD_DEVICE_PATH; +/// +/// Memory Mapped Device Path +/// #define HW_MEMMAP_DP 0x03 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// EFI_MEMORY_TYPE + /// UINT32 MemoryType; + /// + /// Starting Memory Address. + /// EFI_PHYSICAL_ADDRESS StartingAddress; + /// + /// Ending Memory Address + /// EFI_PHYSICAL_ADDRESS EndingAddress; } MEMMAP_DEVICE_PATH; +/// +/// The Vendor Device Path allows the creation of vendor-defined Device Paths. A vendor must +/// allocate a Vendor GUID for a Device Path. The Vendor GUID can then be used to define the +/// contents on the n bytes that follow in the Vendor Device Path node. +/// #define HW_VENDOR_DP 0x04 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Vendor-assigned GUID that defines the data that follows. + /// EFI_GUID Guid; + /// + /// Vendor-defined variable size data. + /// } VENDOR_DEVICE_PATH; +/// +/// Controller Device Path +/// #define HW_CONTROLLER_DP 0x05 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Controller number. + /// UINT32 ControllerNumber; } CONTROLLER_DEVICE_PATH; @@ -114,18 +166,52 @@ typedef struct { /// #define ACPI_DEVICE_PATH 0x02 +/// +/// ACPI Device Path +/// #define ACPI_DP 0x01 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Device's PnP hardware ID stored in a numeric 32-bit + /// compressed EISA-type ID. This value must match the + /// corresponding _HID in the ACPI name space. + /// UINT32 HID; + /// + /// Unique ID that is required by ACPI if two devices have the + /// same _HID. This value must also match the corresponding + /// _UID/_HID pair in the ACPI name space. Only the 32-bit + /// numeric value type of _UID is supported; thus strings must + /// not be used for the _UID in the ACPI name space. + /// UINT32 UID; } ACPI_HID_DEVICE_PATH; +/// +/// Expanded ACPI Device Path. +/// #define ACPI_EXTENDED_DP 0x02 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Device's PnP hardware ID stored in a numeric 32-bit + /// compressed EISA-type ID. This value must match the + /// corresponding _HID in the ACPI name space. + /// UINT32 HID; + /// + /// Unique ID that is required by ACPI if two devices have the + /// same _HID. This value must also match the corresponding + /// _UID/_HID pair in the ACPI name space. + /// UINT32 UID; + /// + /// Device's compatible PnP hardware ID stored in a numeric + /// 32-bit compressed EISA-type ID. This value must match at + /// least one of the compatible device IDs returned by the + /// corresponding _CID in the ACPI name space. + /// UINT32 CID; /// /// Optional variable length _HIDSTR @@ -150,10 +236,23 @@ typedef struct { #define EISA_ID_TO_NUM(_Id) ((_Id) >> 16) +/// +/// The _ADR device path is used to contain video output device attributes to support the Graphics +/// Output Protocol. The device path can contain multiple _ADR entries if multiple video output +/// devices are displaying the same output. +/// #define ACPI_ADR_DP 0x03 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// _ADR value. For video output devices the value of this + /// field comes from Table B-2 ACPI 3.0 specification. At + /// least one _ADR value is required. + /// UINT32 ADR; + /// + /// This device path may optionally contain more than one _ADR entry. + /// } ACPI_ADR_DEVICE_PATH; #define ACPI_ADR_DISPLAY_TYPE_OTHER 0 @@ -174,122 +273,322 @@ typedef struct { /// /// Messaging Device Paths +/// This Device Path is used to describe the connection of devices outside the resource domain of the +/// system. This Device Path can describe physical messaging information like SCSI ID, or abstract +/// information like networking protocol IP addresses. /// #define MESSAGING_DEVICE_PATH 0x03 +/// +/// ATAPI Device Path +/// #define MSG_ATAPI_DP 0x01 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Set to zero for primary or one for secondary + /// UINT8 PrimarySecondary; + /// + /// Set to zero for master or one for slave mode + /// UINT8 SlaveMaster; + /// + /// Logical Unit Number + /// UINT16 Lun; } ATAPI_DEVICE_PATH; +/// +/// SCSI Device Path +/// #define MSG_SCSI_DP 0x02 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Target ID on the SCSI bus (PUN) + /// UINT16 Pun; + /// + /// Logical Unit Number (LUN) + /// UINT16 Lun; } SCSI_DEVICE_PATH; +/// +/// Fibre Channel +/// #define MSG_FIBRECHANNEL_DP 0x03 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Reserved for the future. + /// UINT32 Reserved; + /// + /// Fibre Channel World Wide Number. + /// UINT64 WWN; + /// + /// Fibre Channel Logical Unit Number. + /// UINT64 Lun; } FIBRECHANNEL_DEVICE_PATH; +/// +/// 1394 Device Path +/// #define MSG_1394_DP 0x04 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Reserved for the future. + /// UINT32 Reserved; + /// + /// 1394 Global Unique ID (GUID). + /// UINT64 Guid; } F1394_DEVICE_PATH; +/// +/// USB Device Path +/// #define MSG_USB_DP 0x05 typedef struct { - EFI_DEVICE_PATH_PROTOCOL Header; - UINT8 ParentPortNumber; - UINT8 InterfaceNumber; + EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// USB Parent Port Number + /// + UINT8 ParentPortNumber; + /// + /// USB Interface Number + /// + UINT8 InterfaceNumber; } USB_DEVICE_PATH; +/// +/// USB Class Device Path +/// #define MSG_USB_CLASS_DP 0x0f typedef struct { - EFI_DEVICE_PATH_PROTOCOL Header; - UINT16 VendorId; - UINT16 ProductId; - UINT8 DeviceClass; - UINT8 DeviceSubClass; - UINT8 DeviceProtocol; + EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Vendor ID assigned by USB-IF. A value of 0xFFFF will + /// match any Vendor ID. + /// + UINT16 VendorId; + /// + /// Product ID assigned by USB-IF. A value of 0xFFFF will + /// match any Product ID. + /// + UINT16 ProductId; + /// + /// The class code assigned by the USB-IF. A value of 0xFF + /// will match any class code. + /// + UINT8 DeviceClass; + /// + /// The subclass code assigned by the USB-IF. A value of + /// 0xFF will match any subclass code. + /// + UINT8 DeviceSubClass; + /// + /// The protocol code assigned by the USB-IF. A value of + /// 0xFF will match any protocol code. + /// + UINT8 DeviceProtocol; } USB_CLASS_DEVICE_PATH; +/// +/// This device path describes a USB device using its serial number. +/// USB WWID Device Path +/// #define MSG_USB_WWID_DP 0x10 typedef struct { - EFI_DEVICE_PATH_PROTOCOL Header; - UINT16 InterfaceNumber; - UINT16 VendorId; - UINT16 ProductId; - // CHAR16 SerialNumber[...]; + EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// USB interface number + /// + UINT16 InterfaceNumber; + /// + /// USB vendor id of the device + /// + UINT16 VendorId; + /// + /// USB product id of the device + /// + UINT16 ProductId; + /// + /// Last 64-or-fewer UTF-16 characters of the USB + /// serial number. The length of the string is + /// determined by the Length field less the offset of the + /// Serial Number field (10) + /// + /// CHAR16 SerialNumber[...]; } USB_WWID_DEVICE_PATH; - +/// +/// Device Logical Unit +/// #define MSG_DEVICE_LOGICAL_UNIT_DP 0x11 typedef struct { - EFI_DEVICE_PATH_PROTOCOL Header; - UINT8 Lun; + EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Logical Unit Number for the interface + /// + UINT8 Lun; } DEVICE_LOGICAL_UNIT_DEVICE_PATH; +/// +/// SATA Device Path +/// #define MSG_SATA_DP 0x12 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// The HBA port number that facilitates the connection to the + /// device or a port multiplier. The value 0xFFFF is reserved. + /// UINT16 HBAPortNumber; + /// + /// The Port multiplier port number that facilitates the connection + /// to the device. Bit 15 should be set if the device is directly + /// connected to the HBA. + /// UINT16 PortMultiplierPortNumber; + /// + /// Logical Unit Number. + /// UINT16 Lun; } SATA_DEVICE_PATH; +/// +/// I2O Device Path +/// #define MSG_I2O_DP 0x06 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Target ID (TID) for a device + /// UINT32 Tid; } I2O_DEVICE_PATH; +/// +/// MAC Address Device Path +/// #define MSG_MAC_ADDR_DP 0x0b typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// The MAC address for a network interface padded with 0s + /// EFI_MAC_ADDRESS MacAddress; + /// + /// Network interface type(i.e. 802.3, FDDI). + /// UINT8 IfType; } MAC_ADDR_DEVICE_PATH; +/// +/// IPv4 Device Path +/// #define MSG_IPv4_DP 0x0c typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// The local IPv4 address + /// EFI_IPv4_ADDRESS LocalIpAddress; + /// + /// The remote IPv4 address + /// EFI_IPv4_ADDRESS RemoteIpAddress; + /// + /// The local port number + /// UINT16 LocalPort; + /// + /// The remote port number + /// UINT16 RemotePort; + /// + /// The network protocol(i.e. UDP, TCP). + /// UINT16 Protocol; + /// + /// 0x00 - The Source IP Address was assigned though DHCP + /// 0x01 - The Source IP Address is statically bound + /// BOOLEAN StaticIpAddress; } IPv4_DEVICE_PATH; +/// +/// IPv6 Device Path +/// #define MSG_IPv6_DP 0x0d typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// The local IPv6 address + /// EFI_IPv6_ADDRESS LocalIpAddress; + /// + /// The remote IPv6 address + /// EFI_IPv6_ADDRESS RemoteIpAddress; + /// + /// The local port number + /// UINT16 LocalPort; + /// + /// The remote port number + /// UINT16 RemotePort; + /// + /// The network protocol(i.e. UDP, TCP). + /// UINT16 Protocol; + /// + /// 0x00 - The Source IP Address was assigned though DHCP + /// 0x01 - The Source IP Address is statically bound + /// BOOLEAN StaticIpAddress; } IPv6_DEVICE_PATH; +/// +/// InfiniBand Device Path +/// #define MSG_INFINIBAND_DP 0x09 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Flags to help identify/manage InfiniBand device path elements: + /// Bit 0 - IOC/Service (0b = IOC, 1b = Service) + /// Bit 1 - Extend Boot Environment + /// Bit 2 - Console Protocol + /// Bit 3 - Storage Protocol + /// Bit 4 - Network Protocol + /// All other bits are reserved. + /// UINT32 ResourceFlags; + /// + /// 128-bit Global Identifier for remote fabric port + /// UINT8 PortGid[16]; + /// + /// 64-bit unique identifier to remote IOC or server process. + /// Interpretation of field specified by Resource Flags (bit 0) + /// UINT64 ServiceId; + /// + /// 64-bit persistent ID of remote IOC port + /// UINT64 TargetPortId; + /// + /// 64-bit persistent ID of remote device + /// UINT64 DeviceId; } INFINIBAND_DEVICE_PATH; @@ -299,13 +598,43 @@ typedef struct { #define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08 #define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10 +/// +/// UART Device Path +/// #define MSG_UART_DP 0x0e typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Reserved + /// UINT32 Reserved; + /// + /// The baud rate setting for the UART style device. A value of 0 + /// means that the device's default baud rate will be used. + /// UINT64 BaudRate; + /// + /// The number of data bits for the UART style device. A value + /// of 0 means that the device's default number of data bits will be used. + /// UINT8 DataBits; + /// + /// The parity setting for the UART style device. + /// Parity 0x00 - Default Parity + /// Parity 0x01 - No Parity + /// Parity 0x02 - Even Parity + /// Parity 0x03 - Odd Parity + /// Parity 0x04 - Mark Parity + /// Parity 0x05 - Space Parity + /// UINT8 Parity; + /// + /// The number of stop bits for the UART style device. + /// Stop Bits 0x00 - Default Stop Bits + /// Stop Bits 0x01 - 1 Stop Bit + /// Stop Bits 0x02 - 1.5 Stop Bits + /// Stop Bits 0x03 - 2 Stop Bits + /// UINT8 StopBits; } UART_DEVICE_PATH; @@ -320,34 +649,86 @@ typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH; #define DEVICE_PATH_MESSAGING_VT_100_PLUS EFI_VT_100_PLUS_GUID #define DEVICE_PATH_MESSAGING_VT_UTF8 EFI_VT_UTF8_GUID +/// +/// A new device path node is defined to declare flow control characteristics. +/// UART Flow Control Messaging Device Path +/// #define DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL EFI_UART_DEVICE_PATH_GUID - typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL + /// EFI_GUID Guid; + /// + /// Bitmap of supported flow control types. + /// Bit 0 set indicates hardware flow control. + /// Bit 1 set indicates Xon/Xoff flow control. + /// All other bits are reserved and are clear. + /// UINT32 FlowControlMap; } UART_FLOW_CONTROL_DEVICE_PATH; +/// +/// Serial Attached SCSI (SAS) devices. +/// #define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID - typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// DEVICE_PATH_MESSAGING_SAS + /// EFI_GUID Guid; + /// + /// Reserved for future use. + /// UINT32 Reserved; + /// + /// SAS Address for Serial Attached SCSI Target. + /// UINT64 SasAddress; + /// + /// SAS Logical Unit Number. + /// UINT64 Lun; + /// + /// More Information about the device and its interconnect + /// UINT16 DeviceTopology; + /// + /// Relative Target Port (RTP) + /// UINT16 RelativeTargetPort; } SAS_DEVICE_PATH; +/// +/// iSCSI Device Path Node (Base Information) +/// #define MSG_ISCSI_DP 0x13 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Network Protocol (0 = TCP, 1+ = reserved) + /// UINT16 NetworkProtocol; + /// + /// iSCSI Login Options + /// UINT16 LoginOption; + /// + /// iSCSI Logical Unit Number + /// UINT64 Lun; + /// + /// iSCSI Target Portal group tag the initiator intends + /// to establish a session with. + /// UINT16 TargetPortalGroupTag; - // CHAR8 iSCSI Target Name + /// + /// iSCSI NodeTarget Name. The length of the name + /// is determined by subtracting the offset of this field from Length. + /// + /// CHAR8 iSCSI Target Name } ISCSI_DEVICE_PATH; #define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000 @@ -364,73 +745,154 @@ typedef struct { // #define MEDIA_DEVICE_PATH 0x04 +/// +/// The Hard Drive Media Device Path is used to represent a partition on a hard drive. +/// Hard Drive Media Device Path +/// #define MEDIA_HARDDRIVE_DP 0x01 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Describes the entry in a partition table, starting with entry 1. + /// Partition number zero represents the entire device. Valid + /// partition numbers for a MBR partition are [1, 4]. Valid + /// partition numbers for a GPT partition are [1, + /// NumberOfPartitionEntries]. + /// UINT32 PartitionNumber; + /// + /// Starting LBA of the partition on the hard drive + /// UINT64 PartitionStart; + /// + /// Size of the partition in units of Logical Blocks + /// UINT64 PartitionSize; + /// + /// Signature unique to this partition + /// UINT8 Signature[16]; + /// + /// Partition Format: (Unused values reserved) + /// 0x01 - PC-AT compatible legacy MBR + /// 0x02 - GUID Partition Table + /// UINT8 MBRType; + /// + /// Type of Disk Signature: (Unused values reserved) + /// 0x00 - No Disk Signature. + /// 0x01 - 32-bit signature from address 0x1b8 of the type 0x01 MBR. + /// 0x02 - GUID signature. + /// UINT8 SignatureType; } HARDDRIVE_DEVICE_PATH; #define MBR_TYPE_PCAT 0x01 #define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02 +#define NO_DISK_SIGNATURE 0x00 #define SIGNATURE_TYPE_MBR 0x01 #define SIGNATURE_TYPE_GUID 0x02 +/// +/// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM. +/// CD-ROM Media Device Path +/// #define MEDIA_CDROM_DP 0x02 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Boot Entry number from the Boot Catalog. The Initial/Default entry is defined as zero. + /// UINT32 BootEntry; + /// + /// Starting RBA of the partition on the medium. CD-ROMs use Relative logical Block Addressing. + /// UINT64 PartitionStart; + /// + /// Size of the partition in units of Blocks, also called Sectors. + /// UINT64 PartitionSize; } CDROM_DEVICE_PATH; -// -// Use VENDOR_DEVICE_PATH struct -// +/// +/// Use VENDOR_DEVICE_PATH struct +/// #define MEDIA_VENDOR_DP 0x03 +/// +/// File Path Media Device Path +/// #define MEDIA_FILEPATH_DP 0x04 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// A NULL-terminated Unicode Path string including directory and file names. + /// CHAR16 PathName[1]; } FILEPATH_DEVICE_PATH; #define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName) +/// +/// The Media Protocol Device Path is used to denote the protocol that is being +/// used in a device path at the location of the path specified. +/// Many protocols are inherent to the style of device path. +/// #define MEDIA_PROTOCOL_DP 0x05 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// The ID of the protocol. + /// EFI_GUID Protocol; } MEDIA_PROTOCOL_DEVICE_PATH; - +/// +/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume. +/// PIWG Firmware Volume Device Path. +/// #define MEDIA_PIWG_FW_VOL_DP 0x7 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Firmware volume name. + /// EFI_GUID FvName; } MEDIA_FW_VOL_DEVICE_PATH; - +/// +/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file. +/// PIWG Firmware Volume Device Path +/// #define MEDIA_PIWG_FW_FILE_DP 0x6 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Firmware file name + /// EFI_GUID FvFileName; } MEDIA_FW_VOL_FILEPATH_DEVICE_PATH; -// -// BBS Device Path -// +/// +/// This Device Path is used to describe the booting of non-EFI-aware operating systems. +/// BIOS Boot Specification Device Path +/// #define BBS_DEVICE_PATH 0x05 #define BBS_BBS_DP 0x01 typedef struct { EFI_DEVICE_PATH_PROTOCOL Header; + /// + /// Device Type as defined by the BIOS Boot Specification. + /// UINT16 DeviceType; + /// + /// Status Flags as defined by the BIOS Boot Specification + /// UINT16 StatusFlag; + /// + /// ASCIIZ string that describes the boot device to a user. + /// CHAR8 String[1]; } BBS_BBS_DEVICE_PATH; @@ -526,55 +988,9 @@ typedef union { #pragma pack() -#define EFI_DP_TYPE_MASK 0x7F -#define EFI_DP_TYPE_UNPACKED 0x80 #define END_DEVICE_PATH_TYPE 0x7f - -#define EFI_END_ENTIRE_DEVICE_PATH 0xff -#define EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff -#define EFI_END_INSTANCE_DEVICE_PATH 0x01 -#define END_ENTIRE_DEVICE_PATH_SUBTYPE EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE -#define END_INSTANCE_DEVICE_PATH_SUBTYPE EFI_END_INSTANCE_DEVICE_PATH - -#define EFI_END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL)) -#define END_DEVICE_PATH_LENGTH EFI_END_DEVICE_PATH_LENGTH - -#define DP_IS_END_TYPE(a) -#define DP_IS_END_SUBTYPE(a) (((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE) -#define DevicePathSubType(a) ((a)->SubType) -#define IsDevicePathUnpacked(a) ((a)->Type & EFI_DP_TYPE_UNPACKED) - -#define EfiDevicePathNodeLength(a) (((a)->Length[0]) | ((a)->Length[1] << 8)) -#define DevicePathNodeLength(a) (EfiDevicePathNodeLength(a)) -#define EfiNextDevicePathNode(a) ((EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) (a)) + EfiDevicePathNodeLength (a))) -#define NextDevicePathNode(a) (EfiNextDevicePathNode(a)) - -#define EfiDevicePathType(a) (((a)->Type) & EFI_DP_TYPE_MASK) -#define DevicePathType(a) (EfiDevicePathType(a)) -#define EfiIsDevicePathEndType(a) (EfiDevicePathType (a) == END_DEVICE_PATH_TYPE) -#define IsDevicePathEndType(a) (EfiIsDevicePathEndType(a)) - - -#define EfiIsDevicePathEndSubType(a) ((a)->SubType == EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE) -#define IsDevicePathEndSubType(a) (EfiIsDevicePathEndSubType(a)) -#define EfiIsDevicePathEndInstanceSubType(a) ((a)->SubType == EFI_END_INSTANCE_DEVICE_PATH) - -#define EfiIsDevicePathEnd(a) (EfiIsDevicePathEndType (a) && EfiIsDevicePathEndSubType (a)) -#define IsDevicePathEnd(a) (EfiIsDevicePathEnd(a)) -#define EfiIsDevicePathEndInstance(a) (EfiIsDevicePathEndType (a) && EfiIsDevicePathEndInstanceSubType (a)) - - -#define SetDevicePathNodeLength(a,l) { \ - (a)->Length[0] = (UINT8) (l); \ - (a)->Length[1] = (UINT8) ((l) >> 8); \ - } - -#define SetDevicePathEndNode(a) { \ - (a)->Type = END_DEVICE_PATH_TYPE; \ - (a)->SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; \ - (a)->Length[0] = sizeof(EFI_DEVICE_PATH_PROTOCOL); \ - (a)->Length[1] = 0; \ - } +#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xFF +#define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01 extern EFI_GUID gEfiDevicePathProtocolGuid;