X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FProtocol%2FDevicePath.h;h=30beadecb39f8ca04f6baf17659443a8247d435d;hp=a699eaff803f39d7c26c41a7ce58ce03970e2216;hb=a58cc068b6d6b62395f29e264f911892560705c6;hpb=deb7f094d4b01c1df4778b17439f5aede3d57766
diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h
index a699eaff80..30beadecb3 100644
--- a/MdePkg/Include/Protocol/DevicePath.h
+++ b/MdePkg/Include/Protocol/DevicePath.h
@@ -1,18 +1,18 @@
/** @file
The device path protocol as defined in UEFI 2.0.
- The device path represents a programatic path to a device. It's the view
- from a software point of view. It also must persist from boot to boot, so
+ 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 - 2009, Intel Corporation
- 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.
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved
+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.
**/
@@ -22,7 +22,7 @@
#include
///
-/// Device Path protocol
+/// Device Path protocol.
///
#define EFI_DEVICE_PATH_PROTOCOL_GUID \
{ \
@@ -45,17 +45,17 @@
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 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
+ ///< Device Path.
UINT8 Length[2]; ///< Specific Device Path data. Type and Sub-Type define
///< type of data. Size of data is included in Length.
@@ -68,53 +68,53 @@ typedef struct {
typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;
///
-/// Hardware Device Paths
+/// Hardware Device Paths.
///
#define HARDWARE_DEVICE_PATH 0x01
///
-/// PCI Device Path SubType
+/// PCI Device Path SubType.
///
#define HW_PCI_DP 0x01
///
-/// PCI Device Path
+/// PCI Device Path.
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// PCI Function Number
+ /// PCI Function Number.
///
UINT8 Function;
///
- /// PCI Device Number
+ /// PCI Device Number.
///
UINT8 Device;
} PCI_DEVICE_PATH;
///
-/// PCCARD Device Path SubType
+/// PCCARD Device Path SubType.
///
#define HW_PCCARD_DP 0x02
///
-/// PCCARD Device Path
+/// PCCARD Device Path.
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Function Number (0 = First Function)
+ /// Function Number (0 = First Function).
///
UINT8 FunctionNumber;
} PCCARD_DEVICE_PATH;
///
-/// Memory Mapped Device Path SubType
+/// Memory Mapped Device Path SubType.
///
#define HW_MEMMAP_DP 0x03
///
-/// Memory Mapped Device Path
+/// Memory Mapped Device Path.
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
@@ -127,13 +127,13 @@ typedef struct {
///
EFI_PHYSICAL_ADDRESS StartingAddress;
///
- /// Ending Memory Address
+ /// Ending Memory Address.
///
EFI_PHYSICAL_ADDRESS EndingAddress;
} MEMMAP_DEVICE_PATH;
///
-/// Hardware Vendor Device Path SubType
+/// Hardware Vendor Device Path SubType.
///
#define HW_VENDOR_DP 0x04
@@ -154,12 +154,12 @@ typedef struct {
} VENDOR_DEVICE_PATH;
///
-/// Controller Device Path SubType
+/// Controller Device Path SubType.
///
#define HW_CONTROLLER_DP 0x05
///
-/// Controller Device Path
+/// Controller Device Path.
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
@@ -170,12 +170,12 @@ typedef struct {
} CONTROLLER_DEVICE_PATH;
///
-/// ACPI Device Paths
+/// ACPI Device Paths.
///
#define ACPI_DEVICE_PATH 0x02
///
-/// ACPI Device Path SubType
+/// ACPI Device Path SubType.
///
#define ACPI_DP 0x01
typedef struct {
@@ -190,14 +190,14 @@ typedef struct {
/// 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
+ /// 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
+/// Expanded ACPI Device Path SubType.
///
#define ACPI_EXTENDED_DP 0x02
typedef struct {
@@ -222,9 +222,9 @@ typedef struct {
///
UINT32 CID;
///
- /// Optional variable length _HIDSTR
- /// Optional variable length _UIDSTR
- /// Optional variable length _CIDSTR
+ /// Optional variable length _HIDSTR.
+ /// Optional variable length _UIDSTR.
+ /// Optional variable length _CIDSTR.
///
} ACPI_EXTENDED_HID_DEVICE_PATH;
@@ -244,7 +244,7 @@ typedef struct {
#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
///
-/// ACPI _ADR Device Path SubType
+/// ACPI _ADR Device Path SubType.
///
#define ACPI_ADR_DP 0x03
@@ -257,7 +257,7 @@ 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
+ /// field comes from Table B-2 of the ACPI 3.0 specification. At
/// least one _ADR value is required.
///
UINT32 ADR;
@@ -283,7 +283,7 @@ typedef struct {
((_Index) & 0xf) ))
///
-/// Messaging Device Paths
+/// 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.
@@ -297,37 +297,37 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Set to zero for primary or one for secondary
+ /// Set to zero for primary, or one for secondary.
///
UINT8 PrimarySecondary;
///
- /// Set to zero for master or one for slave mode
+ /// Set to zero for master, or one for slave mode.
///
UINT8 SlaveMaster;
///
- /// Logical Unit Number
+ /// Logical Unit Number.
///
UINT16 Lun;
} ATAPI_DEVICE_PATH;
///
-/// SCSI Device Path SubType
+/// SCSI Device Path SubType.
///
#define MSG_SCSI_DP 0x02
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Target ID on the SCSI bus (PUN)
+ /// Target ID on the SCSI bus (PUN).
///
UINT16 Pun;
///
- /// Logical Unit Number (LUN)
+ /// Logical Unit Number (LUN).
///
UINT16 Lun;
} SCSI_DEVICE_PATH;
///
-/// Fibre Channel SubType
+/// Fibre Channel SubType.
///
#define MSG_FIBRECHANNEL_DP 0x03
typedef struct {
@@ -363,23 +363,23 @@ typedef struct {
} F1394_DEVICE_PATH;
///
-/// USB Device Path SubType
+/// USB Device Path SubType.
///
#define MSG_USB_DP 0x05
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// USB Parent Port Number
+ /// USB Parent Port Number.
///
UINT8 ParentPortNumber;
///
- /// USB Interface Number
+ /// USB Interface Number.
///
UINT8 InterfaceNumber;
} USB_DEVICE_PATH;
///
-/// USB Class Device Path SubType
+/// USB Class Device Path SubType.
///
#define MSG_USB_CLASS_DP 0x0f
typedef struct {
@@ -412,7 +412,7 @@ typedef struct {
} USB_CLASS_DEVICE_PATH;
///
-/// USB WWID Device Path SubType
+/// USB WWID Device Path SubType.
///
#define MSG_USB_WWID_DP 0x10
@@ -422,15 +422,15 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// USB interface number
+ /// USB interface number.
///
UINT16 InterfaceNumber;
///
- /// USB vendor id of the device
+ /// USB vendor id of the device.
///
UINT16 VendorId;
///
- /// USB product id of the device
+ /// USB product id of the device.
///
UINT16 ProductId;
///
@@ -443,19 +443,19 @@ typedef struct {
} USB_WWID_DEVICE_PATH;
///
-/// Device Logical Unit SubType
+/// Device Logical Unit SubType.
///
#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Logical Unit Number for the interface
+ /// Logical Unit Number for the interface.
///
UINT8 Lun;
} DEVICE_LOGICAL_UNIT_DEVICE_PATH;
///
-/// SATA Device Path SubType
+/// SATA Device Path SubType.
///
#define MSG_SATA_DP 0x12
typedef struct {
@@ -483,25 +483,25 @@ typedef struct {
#define SATA_HBA_DIRECT_CONNECT_FLAG 0x8000
///
-/// I2O Device Path SubType
+/// I2O Device Path SubType.
///
#define MSG_I2O_DP 0x06
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Target ID (TID) for a device
+ /// Target ID (TID) for a device.
///
UINT32 Tid;
} I2O_DEVICE_PATH;
///
-/// MAC Address Device Path SubType
+/// 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
+ /// The MAC address for a network interface padded with 0s.
///
EFI_MAC_ADDRESS MacAddress;
///
@@ -517,19 +517,19 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// The local IPv4 address
+ /// The local IPv4 address.
///
EFI_IPv4_ADDRESS LocalIpAddress;
///
- /// The remote IPv4 address
+ /// The remote IPv4 address.
///
EFI_IPv4_ADDRESS RemoteIpAddress;
///
- /// The local port number
+ /// The local port number.
///
UINT16 LocalPort;
///
- /// The remote port number
+ /// The remote port number.
///
UINT16 RemotePort;
///
@@ -537,32 +537,32 @@ typedef struct {
///
UINT16 Protocol;
///
- /// 0x00 - The Source IP Address was assigned though DHCP
- /// 0x01 - The Source IP Address is statically bound
+ /// 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 SubType
+/// IPv6 Device Path SubType.
///
#define MSG_IPv6_DP 0x0d
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// The local IPv6 address
+ /// The local IPv6 address.
///
EFI_IPv6_ADDRESS LocalIpAddress;
///
- /// The remote IPv6 address
+ /// The remote IPv6 address.
///
EFI_IPv6_ADDRESS RemoteIpAddress;
///
- /// The local port number
+ /// The local port number.
///
UINT16 LocalPort;
///
- /// The remote port number
+ /// The remote port number.
///
UINT16 RemotePort;
///
@@ -570,43 +570,43 @@ typedef struct {
///
UINT16 Protocol;
///
- /// 0x00 - The Source IP Address was assigned though DHCP
- /// 0x01 - The Source IP Address is statically bound
+ /// 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 SubType
+/// 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
+ /// 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
+ /// 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)
+ /// Interpretation of field specified by Resource Flags (bit 0).
///
UINT64 ServiceId;
///
- /// 64-bit persistent ID of remote IOC port
+ /// 64-bit persistent ID of remote IOC port.
///
UINT64 TargetPortId;
///
- /// 64-bit persistent ID of remote device
+ /// 64-bit persistent ID of remote device.
///
UINT64 DeviceId;
} INFINIBAND_DEVICE_PATH;
@@ -618,13 +618,13 @@ typedef struct {
#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
///
-/// UART Device Path SubType
+/// UART Device Path SubType.
///
#define MSG_UART_DP 0x0e
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Reserved
+ /// Reserved.
///
UINT32 Reserved;
///
@@ -639,20 +639,20 @@ typedef struct {
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
+ /// 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
+ /// 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;
@@ -675,7 +675,7 @@ typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH;
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID
+ /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID.
///
EFI_GUID Guid;
///
@@ -687,6 +687,9 @@ typedef struct {
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) devices.
@@ -694,7 +697,7 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// DEVICE_PATH_MESSAGING_SAS GUID
+ /// DEVICE_PATH_MESSAGING_SAS GUID.
///
EFI_GUID Guid;
///
@@ -710,11 +713,11 @@ typedef struct {
///
UINT64 Lun;
///
- /// More Information about the device and its interconnect
+ /// More Information about the device and its interconnect.
///
UINT16 DeviceTopology;
///
- /// Relative Target Port (RTP)
+ /// Relative Target Port (RTP).
///
UINT16 RelativeTargetPort;
} SAS_DEVICE_PATH;
@@ -726,15 +729,15 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// Network Protocol (0 = TCP, 1+ = reserved)
+ /// Network Protocol (0 = TCP, 1+ = reserved).
///
UINT16 NetworkProtocol;
///
- /// iSCSI Login Options
+ /// iSCSI Login Options.
///
UINT16 LoginOption;
///
- /// iSCSI Logical Unit Number
+ /// iSCSI Logical Unit Number.
///
UINT64 Lun;
///
@@ -746,7 +749,7 @@ typedef struct {
/// iSCSI NodeTarget Name. The length of the name
/// is determined by subtracting the offset of this field from Length.
///
- /// CHAR8 iSCSI Target Name
+ /// CHAR8 iSCSI Target Name.
} ISCSI_DEVICE_PATH;
#define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000
@@ -758,13 +761,25 @@ typedef struct {
#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
+/// Hard Drive Media Device Path SubType.
///
#define MEDIA_HARDDRIVE_DP 0x01
@@ -777,30 +792,33 @@ typedef struct {
/// 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].
+ /// partition numbers for a GPT partition are [1, NumberOfPartitionEntries].
///
UINT32 PartitionNumber;
///
- /// Starting LBA of the partition on the hard drive
+ /// Starting LBA of the partition on the hard drive.
///
UINT64 PartitionStart;
///
- /// Size of the partition in units of Logical Blocks
+ /// Size of the partition in units of Logical Blocks.
///
UINT64 PartitionSize;
///
- /// Signature unique to this partition
+ /// 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
+ /// Partition Format: (Unused values reserved).
+ /// 0x01 - PC-AT compatible legacy MBR.
+ /// 0x02 - GUID Partition Table.
///
UINT8 MBRType;
///
- /// Type of Disk Signature: (Unused values reserved)
+ /// 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.
@@ -816,7 +834,7 @@ typedef struct {
#define SIGNATURE_TYPE_GUID 0x02
///
-/// CD-ROM Media Device Path SubType
+/// CD-ROM Media Device Path SubType.
///
#define MEDIA_CDROM_DP 0x02
@@ -842,7 +860,7 @@ typedef struct {
//
// Use VENDOR_DEVICE_PATH struct
//
-#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype
+#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype.
///
/// File Path Media Device Path SubType
@@ -851,7 +869,7 @@ typedef struct {
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
- /// A NULL-terminated Unicode Path string including directory and file names.
+ /// A NULL-terminated Path string including directory and file names.
///
CHAR16 PathName[1];
} FILEPATH_DEVICE_PATH;
@@ -859,7 +877,7 @@ typedef struct {
#define SIZE_OF_FILEPATH_DEVICE_PATH OFFSET_OF(FILEPATH_DEVICE_PATH,PathName)
///
-/// Media Protocol Device Path SubType
+/// Media Protocol Device Path SubType.
///
#define MEDIA_PROTOCOL_DP 0x05
@@ -877,39 +895,39 @@ typedef struct {
} MEDIA_PROTOCOL_DEVICE_PATH;
///
-/// PIWG Firmware Volume Device Path SubType
+/// PIWG Firmware Volume Device Path SubType.
///
-#define MEDIA_PIWG_FW_VOL_DP 0x7
+#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 volume.
+/// 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 volume name.
+ /// Firmware file name
///
- EFI_GUID FvName;
-} MEDIA_FW_VOL_DEVICE_PATH;
+ EFI_GUID FvFileName;
+} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
///
-/// PIWG Firmware Volume Device Path SubType
+/// PIWG Firmware Volume Device Path SubType.
///
-#define MEDIA_PIWG_FW_FILE_DP 0x6
+#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 file.
+/// 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 file name
+ /// Firmware volume name.
///
- EFI_GUID FvFileName;
-} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
+ EFI_GUID FvName;
+} MEDIA_FW_VOL_DEVICE_PATH;
///
-/// Media relative offset range device path
+/// Media relative offset range device path.
///
#define MEDIA_RELATIVE_OFFSET_RANGE_DP 0x08
@@ -918,17 +936,18 @@ typedef struct {
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ UINT32 Reserved;
UINT64 StartingOffset;
UINT64 EndingOffset;
} MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;
///
-/// BIOS Boot Specification Device Path
+/// BIOS Boot Specification Device Path.
///
#define BBS_DEVICE_PATH 0x05
///
-/// BIOS Boot Specification Device Path SubType
+/// BIOS Boot Specification Device Path SubType.
///
#define BBS_BBS_DP 0x01
@@ -942,7 +961,7 @@ typedef struct {
///
UINT16 DeviceType;
///
- /// Status Flags as defined by the BIOS Boot Specification
+ /// Status Flags as defined by the BIOS Boot Specification.
///
UINT16 StatusFlag;
///
@@ -965,7 +984,7 @@ typedef struct {
///
-/// Union of all possible Device Paths and pointers to Device Paths
+/// Union of all possible Device Paths and pointers to Device Paths.
///
typedef union {
EFI_DEVICE_PATH_PROTOCOL DevPath;