--- /dev/null
+/** @file
+ The device path protocol as defined in UEFI 2.0.
+
+ The device path represents a programmatic path to a device,
+ from a software point of view. The path must persist from boot to boot, so
+ it can not contain things like PCI bus numbers that change from boot to boot.
+
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+**/
+
+#ifndef __EFI_DEVICE_PATH_PROTOCOL_H__
+#define __EFI_DEVICE_PATH_PROTOCOL_H__
+
+FILE_LICENCE ( BSD3 );
+
+#include <ipxe/efi/Guid/PcAnsi.h>
+
+///
+/// Device Path protocol.
+///
+#define EFI_DEVICE_PATH_PROTOCOL_GUID \
+ { \
+ 0x9576e91, 0x6d3f, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
+ }
+
+///
+/// Device Path guid definition for backward-compatible with EFI1.1.
+///
+#define DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH_PROTOCOL_GUID
+
+#pragma pack(1)
+
+/**
+ This protocol can be used on any device handle to obtain generic path/location
+ information concerning the physical device or logical device. If the handle does
+ not logically map to a physical device, the handle may not necessarily support
+ the device path protocol. The device path describes the location of the device
+ the handle is for. The size of the Device Path can be determined from the structures
+ that make up the Device Path.
+**/
+typedef struct {
+ UINT8 Type; ///< 0x01 Hardware Device Path.
+ ///< 0x02 ACPI Device Path.
+ ///< 0x03 Messaging Device Path.
+ ///< 0x04 Media Device Path.
+ ///< 0x05 BIOS Boot Specification Device Path.
+ ///< 0x7F End of Hardware Device Path.
+
+ UINT8 SubType; ///< Varies by Type
+ ///< 0xFF End Entire Device Path, or
+ ///< 0x01 End This Instance of a Device Path and start a new
+ ///< Device Path.
+
+ UINT8 Length[2]; ///< Specific Device Path data. Type and Sub-Type define
+ ///< type of data. Size of data is included in Length.
+
+} EFI_DEVICE_PATH_PROTOCOL;
+
+///
+/// Device Path protocol definition for backward-compatible with EFI1.1.
+///
+typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;
+
+///
+/// Hardware Device Paths.
+///
+#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 SubType.
+///
+#define HW_MEMMAP_DP 0x03
+
+///
+/// Memory Mapped Device Path.
+///
+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;
+
+///
+/// Hardware Vendor Device Path SubType.
+///
+#define HW_VENDOR_DP 0x04
+
+///
+/// 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.
+///
+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 SubType.
+///
+#define HW_CONTROLLER_DP 0x05
+
+///
+/// Controller Device Path.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Controller number.
+ ///
+ UINT32 ControllerNumber;
+} CONTROLLER_DEVICE_PATH;
+
+///
+/// ACPI Device Paths.
+///
+#define ACPI_DEVICE_PATH 0x02
+
+///
+/// ACPI Device Path SubType.
+///
+#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 SubType.
+///
+#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.
+ /// Optional variable length _UIDSTR.
+ /// Optional variable length _CIDSTR.
+ ///
+} ACPI_EXTENDED_HID_DEVICE_PATH;
+
+//
+// EISA ID Macro
+// EISA ID Definition 32-bits
+// bits[15:0] - three character compressed ASCII EISA ID.
+// bits[31:16] - binary number
+// Compressed ASCII is 5 bits per character 0b00001 = 'A' 0b11010 = 'Z'
+//
+#define PNP_EISA_ID_CONST 0x41d0
+#define EISA_ID(_Name, _Num) ((UINT32)((_Name) | (_Num) << 16))
+#define EISA_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
+#define EFI_PNP_ID(_PNPId) (EISA_ID(PNP_EISA_ID_CONST, (_PNPId)))
+
+#define PNP_EISA_ID_MASK 0xffff
+#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
+
+///
+/// ACPI _ADR Device Path SubType.
+///
+#define ACPI_ADR_DP 0x03
+
+///
+/// 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.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// _ADR value. For video output devices the value of this
+ /// field comes from Table B-2 of the 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
+#define ACPI_ADR_DISPLAY_TYPE_VGA 1
+#define ACPI_ADR_DISPLAY_TYPE_TV 2
+#define ACPI_ADR_DISPLAY_TYPE_EXTERNAL_DIGITAL 3
+#define ACPI_ADR_DISPLAY_TYPE_INTERNAL_DIGITAL 4
+
+#define ACPI_DISPLAY_ADR(_DeviceIdScheme, _HeadId, _NonVgaOutput, _BiosCanDetect, _VendorInfo, _Type, _Port, _Index) \
+ ((UINT32)( (((_DeviceIdScheme) & 0x1) << 31) | \
+ (((_HeadId) & 0x7) << 18) | \
+ (((_NonVgaOutput) & 0x1) << 17) | \
+ (((_BiosCanDetect) & 0x1) << 16) | \
+ (((_VendorInfo) & 0xf) << 12) | \
+ (((_Type) & 0xf) << 8) | \
+ (((_Port) & 0xf) << 4) | \
+ ((_Index) & 0xf) ))
+
+///
+/// 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 SubType
+///
+#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 SubType.
+///
+#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 SubType.
+///
+#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;
+
+///
+/// Fibre Channel Ex SubType.
+///
+#define MSG_FIBRECHANNELEX_DP 0x15
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Reserved for the future.
+ ///
+ UINT32 Reserved;
+ ///
+ /// 8 byte array containing Fibre Channel End Device Port Name.
+ ///
+ UINT8 WWN[8];
+ ///
+ /// 8 byte array containing Fibre Channel Logical Unit Number.
+ ///
+ UINT8 Lun[8];
+} FIBRECHANNELEX_DEVICE_PATH;
+
+///
+/// 1394 Device Path SubType
+///
+#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 SubType.
+///
+#define MSG_USB_DP 0x05
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// USB Parent Port Number.
+ ///
+ UINT8 ParentPortNumber;
+ ///
+ /// USB Interface Number.
+ ///
+ UINT8 InterfaceNumber;
+} USB_DEVICE_PATH;
+
+///
+/// USB Class Device Path SubType.
+///
+#define MSG_USB_CLASS_DP 0x0f
+typedef struct {
+ 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;
+
+///
+/// USB WWID Device Path SubType.
+///
+#define MSG_USB_WWID_DP 0x10
+
+///
+/// This device path describes a USB device using its serial number.
+///
+typedef struct {
+ 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 SubType.
+///
+#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Logical Unit Number for the interface.
+ ///
+ UINT8 Lun;
+} DEVICE_LOGICAL_UNIT_DEVICE_PATH;
+
+///
+/// SATA Device Path SubType.
+///
+#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;
+
+///
+/// Flag for if the device is directly connected to the HBA.
+///
+#define SATA_HBA_DIRECT_CONNECT_FLAG 0x8000
+
+///
+/// I2O Device Path SubType.
+///
+#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 SubType.
+///
+#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 SubType
+///
+#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;
+ ///
+ /// The gateway IP address
+ ///
+ EFI_IPv4_ADDRESS GatewayIpAddress;
+ ///
+ /// The subnet mask
+ ///
+ EFI_IPv4_ADDRESS SubnetMask;
+} IPv4_DEVICE_PATH;
+
+///
+/// IPv6 Device Path SubType.
+///
+#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 Local IP Address was manually configured.
+ /// 0x01 - The Local IP Address is assigned through IPv6
+ /// stateless auto-configuration.
+ /// 0x02 - The Local IP Address is assigned through IPv6
+ /// stateful configuration.
+ ///
+ UINT8 IpAddressOrigin;
+ ///
+ /// The prefix length
+ ///
+ UINT8 PrefixLength;
+ ///
+ /// The gateway IP address
+ ///
+ EFI_IPv6_ADDRESS GatewayIpAddress;
+} IPv6_DEVICE_PATH;
+
+///
+/// InfiniBand Device Path SubType.
+///
+#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;
+
+#define INFINIBAND_RESOURCE_FLAG_IOC_SERVICE 0x01
+#define INFINIBAND_RESOURCE_FLAG_EXTENDED_BOOT_ENVIRONMENT 0x02
+#define INFINIBAND_RESOURCE_FLAG_CONSOLE_PROTOCOL 0x04
+#define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08
+#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
+
+///
+/// UART Device Path SubType.
+///
+#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;
+
+//
+// Use VENDOR_DEVICE_PATH struct
+//
+#define MSG_VENDOR_DP 0x0a
+typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH;
+
+#define DEVICE_PATH_MESSAGING_PC_ANSI EFI_PC_ANSI_GUID
+#define DEVICE_PATH_MESSAGING_VT_100 EFI_VT_100_GUID
+#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
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID.
+ ///
+ 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;
+
+#define UART_FLOW_CONTROL_HARDWARE 0x00000001
+#define UART_FLOW_CONTROL_XON_XOFF 0x00000010
+
+#define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID
+///
+/// Serial Attached SCSI (SAS) Device Path.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// DEVICE_PATH_MESSAGING_SAS GUID.
+ ///
+ 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;
+
+///
+/// Serial Attached SCSI (SAS) Ex Device Path SubType
+///
+#define MSG_SASEX_DP 0x16
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// 8-byte array of the SAS Address for Serial Attached SCSI Target Port.
+ ///
+ UINT8 SasAddress[8];
+ ///
+ /// 8-byte array of the SAS Logical Unit Number.
+ ///
+ UINT8 Lun[8];
+ ///
+ /// More Information about the device and its interconnect.
+ ///
+ UINT16 DeviceTopology;
+ ///
+ /// Relative Target Port (RTP).
+ ///
+ UINT16 RelativeTargetPort;
+} SASEX_DEVICE_PATH;
+
+///
+/// NvmExpress Namespace Device Path SubType.
+///
+#define MSG_NVME_NAMESPACE_DP 0x17
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ UINT32 NamespaceId;
+ UINT64 NamespaceUuid;
+} NVME_NAMESPACE_DEVICE_PATH;
+
+///
+/// iSCSI Device Path SubType
+///
+#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;
+ ///
+ /// 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
+#define ISCSI_LOGIN_OPTION_HEADER_DIGEST_USING_CRC32C 0x0002
+#define ISCSI_LOGIN_OPTION_NO_DATA_DIGEST 0x0000
+#define ISCSI_LOGIN_OPTION_DATA_DIGEST_USING_CRC32C 0x0008
+#define ISCSI_LOGIN_OPTION_AUTHMETHOD_CHAP 0x0000
+#define ISCSI_LOGIN_OPTION_AUTHMETHOD_NON 0x1000
+#define ISCSI_LOGIN_OPTION_CHAP_BI 0x0000
+#define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000
+
+///
+/// VLAN Device Path SubType.
+///
+#define MSG_VLAN_DP 0x14
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// VLAN identifier (0-4094).
+ ///
+ UINT16 VlanId;
+} VLAN_DEVICE_PATH;
+
+//
+// Media Device Path
+//
+#define MEDIA_DEVICE_PATH 0x04
+
+///
+/// Hard Drive Media Device Path SubType.
+///
+#define MEDIA_HARDDRIVE_DP 0x01
+
+///
+/// The Hard Drive Media Device Path is used to represent a partition on a hard drive.
+///
+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:
+ /// If SignatureType is 0, this field has to be initialized with 16 zeros.
+ /// If SignatureType is 1, the MBR signature is stored in the first 4 bytes of this field.
+ /// The other 12 bytes are initialized with zeros.
+ /// If SignatureType is 2, this field contains a 16 byte signature.
+ ///
+ 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
+
+///
+/// CD-ROM Media Device Path SubType.
+///
+#define MEDIA_CDROM_DP 0x02
+
+///
+/// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.
+///
+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
+//
+#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype.
+
+///
+/// File Path Media Device Path SubType
+///
+#define MEDIA_FILEPATH_DP 0x04
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// A NULL-terminated Path string including directory and file names.
+ ///
+ CHAR16 PathName[1];
+} FILEPATH_DEVICE_PATH;
+
+#define SIZE_OF_FILEPATH_DEVICE_PATH OFFSET_OF(FILEPATH_DEVICE_PATH,PathName)
+
+///
+/// Media Protocol Device Path SubType.
+///
+#define MEDIA_PROTOCOL_DP 0x05
+
+///
+/// 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.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The ID of the protocol.
+ ///
+ EFI_GUID Protocol;
+} MEDIA_PROTOCOL_DEVICE_PATH;
+
+///
+/// PIWG Firmware File SubType.
+///
+#define MEDIA_PIWG_FW_FILE_DP 0x06
+
+///
+/// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Firmware file name
+ ///
+ EFI_GUID FvFileName;
+} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
+
+///
+/// PIWG Firmware Volume Device Path SubType.
+///
+#define MEDIA_PIWG_FW_VOL_DP 0x07
+
+///
+/// This device path is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Firmware volume name.
+ ///
+ EFI_GUID FvName;
+} MEDIA_FW_VOL_DEVICE_PATH;
+
+///
+/// Media relative offset range device path.
+///
+#define MEDIA_RELATIVE_OFFSET_RANGE_DP 0x08
+
+///
+/// Used to describe the offset range of media relative.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ UINT32 Reserved;
+ UINT64 StartingOffset;
+ UINT64 EndingOffset;
+} MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;
+
+///
+/// BIOS Boot Specification Device Path.
+///
+#define BBS_DEVICE_PATH 0x05
+
+///
+/// BIOS Boot Specification Device Path SubType.
+///
+#define BBS_BBS_DP 0x01
+
+///
+/// This Device Path is used to describe the booting of non-EFI-aware operating systems.
+///
+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;
+ ///
+ /// Null-terminated ASCII string that describes the boot device to a user.
+ ///
+ CHAR8 String[1];
+} BBS_BBS_DEVICE_PATH;
+
+//
+// DeviceType definitions - from BBS specification
+//
+#define BBS_TYPE_FLOPPY 0x01
+#define BBS_TYPE_HARDDRIVE 0x02
+#define BBS_TYPE_CDROM 0x03
+#define BBS_TYPE_PCMCIA 0x04
+#define BBS_TYPE_USB 0x05
+#define BBS_TYPE_EMBEDDED_NETWORK 0x06
+#define BBS_TYPE_BEV 0x80
+#define BBS_TYPE_UNKNOWN 0xFF
+
+
+///
+/// Union of all possible Device Paths and pointers to Device Paths.
+///
+typedef union {
+ EFI_DEVICE_PATH_PROTOCOL DevPath;
+ PCI_DEVICE_PATH Pci;
+ PCCARD_DEVICE_PATH PcCard;
+ MEMMAP_DEVICE_PATH MemMap;
+ VENDOR_DEVICE_PATH Vendor;
+
+ CONTROLLER_DEVICE_PATH Controller;
+ ACPI_HID_DEVICE_PATH Acpi;
+ ACPI_EXTENDED_HID_DEVICE_PATH ExtendedAcpi;
+ ACPI_ADR_DEVICE_PATH AcpiAdr;
+
+ ATAPI_DEVICE_PATH Atapi;
+ SCSI_DEVICE_PATH Scsi;
+ ISCSI_DEVICE_PATH Iscsi;
+ FIBRECHANNEL_DEVICE_PATH FibreChannel;
+ FIBRECHANNELEX_DEVICE_PATH FibreChannelEx;
+
+ F1394_DEVICE_PATH F1394;
+ USB_DEVICE_PATH Usb;
+ SATA_DEVICE_PATH Sata;
+ USB_CLASS_DEVICE_PATH UsbClass;
+ USB_WWID_DEVICE_PATH UsbWwid;
+ DEVICE_LOGICAL_UNIT_DEVICE_PATH LogicUnit;
+ I2O_DEVICE_PATH I2O;
+ MAC_ADDR_DEVICE_PATH MacAddr;
+ IPv4_DEVICE_PATH Ipv4;
+ IPv6_DEVICE_PATH Ipv6;
+ VLAN_DEVICE_PATH Vlan;
+ INFINIBAND_DEVICE_PATH InfiniBand;
+ UART_DEVICE_PATH Uart;
+ UART_FLOW_CONTROL_DEVICE_PATH UartFlowControl;
+ SAS_DEVICE_PATH Sas;
+ SASEX_DEVICE_PATH SasEx;
+ NVME_NAMESPACE_DEVICE_PATH NvmeNamespace;
+ HARDDRIVE_DEVICE_PATH HardDrive;
+ CDROM_DEVICE_PATH CD;
+
+ FILEPATH_DEVICE_PATH FilePath;
+ MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol;
+
+ MEDIA_FW_VOL_DEVICE_PATH FirmwareVolume;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FirmwareFile;
+ MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH Offset;
+
+ BBS_BBS_DEVICE_PATH Bbs;
+} EFI_DEV_PATH;
+
+
+
+typedef union {
+ EFI_DEVICE_PATH_PROTOCOL *DevPath;
+ PCI_DEVICE_PATH *Pci;
+ PCCARD_DEVICE_PATH *PcCard;
+ MEMMAP_DEVICE_PATH *MemMap;
+ VENDOR_DEVICE_PATH *Vendor;
+
+ CONTROLLER_DEVICE_PATH *Controller;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
+ ACPI_ADR_DEVICE_PATH *AcpiAdr;
+
+ ATAPI_DEVICE_PATH *Atapi;
+ SCSI_DEVICE_PATH *Scsi;
+ ISCSI_DEVICE_PATH *Iscsi;
+ FIBRECHANNEL_DEVICE_PATH *FibreChannel;
+ FIBRECHANNELEX_DEVICE_PATH *FibreChannelEx;
+
+ F1394_DEVICE_PATH *F1394;
+ USB_DEVICE_PATH *Usb;
+ SATA_DEVICE_PATH *Sata;
+ USB_CLASS_DEVICE_PATH *UsbClass;
+ USB_WWID_DEVICE_PATH *UsbWwid;
+ DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicUnit;
+ I2O_DEVICE_PATH *I2O;
+ MAC_ADDR_DEVICE_PATH *MacAddr;
+ IPv4_DEVICE_PATH *Ipv4;
+ IPv6_DEVICE_PATH *Ipv6;
+ VLAN_DEVICE_PATH *Vlan;
+ INFINIBAND_DEVICE_PATH *InfiniBand;
+ UART_DEVICE_PATH *Uart;
+ UART_FLOW_CONTROL_DEVICE_PATH *UartFlowControl;
+ SAS_DEVICE_PATH *Sas;
+ SASEX_DEVICE_PATH *SasEx;
+ NVME_NAMESPACE_DEVICE_PATH *NvmeNamespace;
+ HARDDRIVE_DEVICE_PATH *HardDrive;
+ CDROM_DEVICE_PATH *CD;
+
+ FILEPATH_DEVICE_PATH *FilePath;
+ MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol;
+
+ MEDIA_FW_VOL_DEVICE_PATH *FirmwareVolume;
+ MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FirmwareFile;
+ MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset;
+
+ BBS_BBS_DEVICE_PATH *Bbs;
+ UINT8 *Raw;
+} EFI_DEV_PATH_PTR;
+
+#pragma pack()
+
+#define END_DEVICE_PATH_TYPE 0x7f
+#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xFF
+#define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01
+
+extern EFI_GUID gEfiDevicePathProtocolGuid;
+
+#endif
Code Review / kvmfornfv.git / blobdiff