from a software point of view. The path 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 - 2009, Intel Corporation \r
- All rights reserved. This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this 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
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved<BR>\r
+This program and the accompanying materials are licensed and made available under \r
+the terms and conditions of the BSD License that accompanies this distribution. \r
+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
**/\r
\r
#include <Guid/PcAnsi.h>\r
\r
///\r
-/// Device Path protocol\r
+/// Device Path protocol.\r
///\r
#define EFI_DEVICE_PATH_PROTOCOL_GUID \\r
{ \\r
that make up the Device Path.\r
**/\r
typedef struct {\r
- UINT8 Type; ///< 0x01 Hardware Device Path\r
- ///< 0x02 ACPI Device Path\r
- ///< 0x03 Messaging Device Path\r
- ///< 0x04 Media Device Path\r
- ///< 0x05 BIOS Boot Specification Device Path\r
- ///< 0x7F End of Hardware Device Path\r
+ UINT8 Type; ///< 0x01 Hardware Device Path.\r
+ ///< 0x02 ACPI Device Path.\r
+ ///< 0x03 Messaging Device Path.\r
+ ///< 0x04 Media Device Path.\r
+ ///< 0x05 BIOS Boot Specification Device Path.\r
+ ///< 0x7F End of Hardware Device Path.\r
\r
UINT8 SubType; ///< Varies by Type\r
///< 0xFF End Entire Device Path, or\r
///< 0x01 End This Instance of a Device Path and start a new\r
- ///< Device Path\r
+ ///< Device Path.\r
\r
UINT8 Length[2]; ///< Specific Device Path data. Type and Sub-Type define\r
///< type of data. Size of data is included in Length.\r
typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;\r
\r
///\r
-/// Hardware Device Paths\r
+/// Hardware Device Paths.\r
///\r
#define HARDWARE_DEVICE_PATH 0x01\r
\r
///\r
-/// PCI Device Path SubType\r
+/// PCI Device Path SubType.\r
///\r
#define HW_PCI_DP 0x01\r
\r
///\r
-/// PCI Device Path\r
+/// PCI Device Path.\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// PCI Function Number\r
+ /// PCI Function Number.\r
///\r
UINT8 Function;\r
///\r
- /// PCI Device Number\r
+ /// PCI Device Number.\r
///\r
UINT8 Device;\r
} PCI_DEVICE_PATH;\r
\r
///\r
-/// PCCARD Device Path SubType\r
+/// PCCARD Device Path SubType.\r
///\r
#define HW_PCCARD_DP 0x02\r
\r
///\r
-/// PCCARD Device Path\r
+/// PCCARD Device Path.\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Function Number (0 = First Function)\r
+ /// Function Number (0 = First Function).\r
///\r
UINT8 FunctionNumber;\r
} PCCARD_DEVICE_PATH;\r
\r
///\r
-/// Memory Mapped Device Path SubType\r
+/// Memory Mapped Device Path SubType.\r
///\r
#define HW_MEMMAP_DP 0x03\r
\r
///\r
-/// Memory Mapped Device Path\r
+/// Memory Mapped Device Path.\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
EFI_PHYSICAL_ADDRESS StartingAddress;\r
///\r
- /// Ending Memory Address\r
+ /// Ending Memory Address.\r
///\r
EFI_PHYSICAL_ADDRESS EndingAddress;\r
} MEMMAP_DEVICE_PATH;\r
\r
///\r
-/// Hardware Vendor Device Path SubType\r
+/// Hardware Vendor Device Path SubType.\r
///\r
#define HW_VENDOR_DP 0x04\r
\r
} VENDOR_DEVICE_PATH;\r
\r
///\r
-/// Controller Device Path SubType\r
+/// Controller Device Path SubType.\r
///\r
#define HW_CONTROLLER_DP 0x05\r
\r
///\r
-/// Controller Device Path\r
+/// Controller Device Path.\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
} CONTROLLER_DEVICE_PATH;\r
\r
///\r
-/// ACPI Device Paths \r
+/// ACPI Device Paths.\r
///\r
#define ACPI_DEVICE_PATH 0x02\r
\r
///\r
-/// ACPI Device Path SubType\r
+/// ACPI Device Path SubType.\r
///\r
#define ACPI_DP 0x01\r
typedef struct {\r
/// Unique ID that is required by ACPI if two devices have the\r
/// same _HID. This value must also match the corresponding\r
/// _UID/_HID pair in the ACPI name space. Only the 32-bit\r
- /// numeric value type of _UID is supported; thus strings must\r
+ /// numeric value type of _UID is supported. Thus, strings must\r
/// not be used for the _UID in the ACPI name space.\r
///\r
UINT32 UID;\r
} ACPI_HID_DEVICE_PATH;\r
\r
///\r
-/// Expanded ACPI Device Path SubType\r
+/// Expanded ACPI Device Path SubType.\r
///\r
#define ACPI_EXTENDED_DP 0x02\r
typedef struct {\r
///\r
UINT32 CID;\r
///\r
- /// Optional variable length _HIDSTR\r
- /// Optional variable length _UIDSTR\r
- /// Optional variable length _CIDSTR\r
+ /// Optional variable length _HIDSTR.\r
+ /// Optional variable length _UIDSTR.\r
+ /// Optional variable length _CIDSTR.\r
///\r
} ACPI_EXTENDED_HID_DEVICE_PATH;\r
\r
#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)\r
\r
///\r
-/// ACPI _ADR Device Path SubType\r
+/// ACPI _ADR Device Path SubType.\r
///\r
#define ACPI_ADR_DP 0x03\r
\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
/// _ADR value. For video output devices the value of this\r
- /// field comes from Table B-2 ACPI 3.0 specification. At\r
+ /// field comes from Table B-2 of the ACPI 3.0 specification. At\r
/// least one _ADR value is required.\r
///\r
UINT32 ADR;\r
((_Index) & 0xf) ))\r
\r
///\r
-/// Messaging Device Paths\r
+/// Messaging Device Paths.\r
/// This Device Path is used to describe the connection of devices outside the resource domain of the\r
/// system. This Device Path can describe physical messaging information like SCSI ID, or abstract\r
/// information like networking protocol IP addresses.\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Set to zero for primary or one for secondary\r
+ /// Set to zero for primary, or one for secondary.\r
///\r
UINT8 PrimarySecondary;\r
///\r
- /// Set to zero for master or one for slave mode\r
+ /// Set to zero for master, or one for slave mode.\r
///\r
UINT8 SlaveMaster;\r
///\r
- /// Logical Unit Number\r
+ /// Logical Unit Number.\r
///\r
UINT16 Lun;\r
} ATAPI_DEVICE_PATH;\r
\r
///\r
-/// SCSI Device Path SubType\r
+/// SCSI Device Path SubType.\r
///\r
#define MSG_SCSI_DP 0x02\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Target ID on the SCSI bus (PUN)\r
+ /// Target ID on the SCSI bus (PUN).\r
///\r
UINT16 Pun;\r
///\r
- /// Logical Unit Number (LUN)\r
+ /// Logical Unit Number (LUN).\r
///\r
UINT16 Lun;\r
} SCSI_DEVICE_PATH;\r
\r
///\r
-/// Fibre Channel SubType\r
+/// Fibre Channel SubType.\r
///\r
#define MSG_FIBRECHANNEL_DP 0x03\r
typedef struct {\r
} F1394_DEVICE_PATH;\r
\r
///\r
-/// USB Device Path SubType\r
+/// USB Device Path SubType.\r
///\r
#define MSG_USB_DP 0x05\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// USB Parent Port Number\r
+ /// USB Parent Port Number.\r
///\r
UINT8 ParentPortNumber;\r
///\r
- /// USB Interface Number\r
+ /// USB Interface Number.\r
///\r
UINT8 InterfaceNumber;\r
} USB_DEVICE_PATH;\r
\r
///\r
-/// USB Class Device Path SubType\r
+/// USB Class Device Path SubType.\r
///\r
#define MSG_USB_CLASS_DP 0x0f\r
typedef struct {\r
} USB_CLASS_DEVICE_PATH;\r
\r
///\r
-/// USB WWID Device Path SubType\r
+/// USB WWID Device Path SubType.\r
///\r
#define MSG_USB_WWID_DP 0x10\r
\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// USB interface number\r
+ /// USB interface number.\r
///\r
UINT16 InterfaceNumber;\r
///\r
- /// USB vendor id of the device\r
+ /// USB vendor id of the device.\r
///\r
UINT16 VendorId;\r
///\r
- /// USB product id of the device\r
+ /// USB product id of the device.\r
///\r
UINT16 ProductId;\r
///\r
} USB_WWID_DEVICE_PATH;\r
\r
///\r
-/// Device Logical Unit SubType\r
+/// Device Logical Unit SubType.\r
///\r
#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Logical Unit Number for the interface\r
+ /// Logical Unit Number for the interface.\r
///\r
UINT8 Lun;\r
} DEVICE_LOGICAL_UNIT_DEVICE_PATH;\r
\r
///\r
-/// SATA Device Path SubType\r
+/// SATA Device Path SubType.\r
///\r
#define MSG_SATA_DP 0x12\r
typedef struct {\r
#define SATA_HBA_DIRECT_CONNECT_FLAG 0x8000\r
\r
///\r
-/// I2O Device Path SubType\r
+/// I2O Device Path SubType.\r
///\r
#define MSG_I2O_DP 0x06\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Target ID (TID) for a device\r
+ /// Target ID (TID) for a device.\r
///\r
UINT32 Tid;\r
} I2O_DEVICE_PATH;\r
\r
///\r
-/// MAC Address Device Path SubType\r
+/// MAC Address Device Path SubType.\r
///\r
#define MSG_MAC_ADDR_DP 0x0b\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// The MAC address for a network interface padded with 0s\r
+ /// The MAC address for a network interface padded with 0s.\r
///\r
EFI_MAC_ADDRESS MacAddress;\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// The local IPv4 address\r
+ /// The local IPv4 address.\r
///\r
EFI_IPv4_ADDRESS LocalIpAddress;\r
///\r
- /// The remote IPv4 address\r
+ /// The remote IPv4 address.\r
///\r
EFI_IPv4_ADDRESS RemoteIpAddress;\r
///\r
- /// The local port number\r
+ /// The local port number.\r
///\r
UINT16 LocalPort;\r
///\r
- /// The remote port number\r
+ /// The remote port number.\r
///\r
UINT16 RemotePort;\r
///\r
///\r
UINT16 Protocol;\r
///\r
- /// 0x00 - The Source IP Address was assigned though DHCP\r
- /// 0x01 - The Source IP Address is statically bound\r
+ /// 0x00 - The Source IP Address was assigned though DHCP.\r
+ /// 0x01 - The Source IP Address is statically bound.\r
///\r
BOOLEAN StaticIpAddress;\r
} IPv4_DEVICE_PATH;\r
\r
///\r
-/// IPv6 Device Path SubType\r
+/// IPv6 Device Path SubType.\r
///\r
#define MSG_IPv6_DP 0x0d\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// The local IPv6 address\r
+ /// The local IPv6 address.\r
///\r
EFI_IPv6_ADDRESS LocalIpAddress;\r
///\r
- /// The remote IPv6 address\r
+ /// The remote IPv6 address.\r
///\r
EFI_IPv6_ADDRESS RemoteIpAddress;\r
///\r
- /// The local port number\r
+ /// The local port number.\r
///\r
UINT16 LocalPort;\r
///\r
- /// The remote port number\r
+ /// The remote port number.\r
///\r
UINT16 RemotePort;\r
///\r
///\r
UINT16 Protocol;\r
///\r
- /// 0x00 - The Source IP Address was assigned though DHCP\r
- /// 0x01 - The Source IP Address is statically bound\r
+ /// 0x00 - The Source IP Address was assigned though DHCP.\r
+ /// 0x01 - The Source IP Address is statically bound.\r
///\r
BOOLEAN StaticIpAddress;\r
} IPv6_DEVICE_PATH;\r
\r
///\r
-/// InfiniBand Device Path SubType\r
+/// InfiniBand Device Path SubType.\r
///\r
#define MSG_INFINIBAND_DP 0x09\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
/// Flags to help identify/manage InfiniBand device path elements:\r
- /// Bit 0 - IOC/Service (0b = IOC, 1b = Service)\r
- /// Bit 1 - Extend Boot Environment\r
- /// Bit 2 - Console Protocol\r
- /// Bit 3 - Storage Protocol\r
- /// Bit 4 - Network Protocol\r
+ /// Bit 0 - IOC/Service (0b = IOC, 1b = Service).\r
+ /// Bit 1 - Extend Boot Environment.\r
+ /// Bit 2 - Console Protocol.\r
+ /// Bit 3 - Storage Protocol.\r
+ /// Bit 4 - Network Protocol.\r
/// All other bits are reserved.\r
///\r
UINT32 ResourceFlags;\r
///\r
- /// 128-bit Global Identifier for remote fabric port\r
+ /// 128-bit Global Identifier for remote fabric port.\r
///\r
UINT8 PortGid[16];\r
///\r
/// 64-bit unique identifier to remote IOC or server process.\r
- /// Interpretation of field specified by Resource Flags (bit 0)\r
+ /// Interpretation of field specified by Resource Flags (bit 0).\r
///\r
UINT64 ServiceId;\r
///\r
- /// 64-bit persistent ID of remote IOC port\r
+ /// 64-bit persistent ID of remote IOC port.\r
///\r
UINT64 TargetPortId;\r
///\r
- /// 64-bit persistent ID of remote device\r
+ /// 64-bit persistent ID of remote device.\r
///\r
UINT64 DeviceId;\r
} INFINIBAND_DEVICE_PATH;\r
#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10\r
\r
///\r
-/// UART Device Path SubType\r
+/// UART Device Path SubType.\r
///\r
#define MSG_UART_DP 0x0e\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Reserved\r
+ /// Reserved.\r
///\r
UINT32 Reserved;\r
///\r
UINT8 DataBits;\r
///\r
/// The parity setting for the UART style device.\r
- /// Parity 0x00 - Default Parity\r
- /// Parity 0x01 - No Parity\r
- /// Parity 0x02 - Even Parity\r
- /// Parity 0x03 - Odd Parity\r
- /// Parity 0x04 - Mark Parity\r
- /// Parity 0x05 - Space Parity\r
+ /// Parity 0x00 - Default Parity.\r
+ /// Parity 0x01 - No Parity.\r
+ /// Parity 0x02 - Even Parity.\r
+ /// Parity 0x03 - Odd Parity.\r
+ /// Parity 0x04 - Mark Parity.\r
+ /// Parity 0x05 - Space Parity.\r
///\r
UINT8 Parity;\r
///\r
/// The number of stop bits for the UART style device.\r
- /// Stop Bits 0x00 - Default Stop Bits\r
- /// Stop Bits 0x01 - 1 Stop Bit\r
- /// Stop Bits 0x02 - 1.5 Stop Bits\r
- /// Stop Bits 0x03 - 2 Stop Bits\r
+ /// Stop Bits 0x00 - Default Stop Bits.\r
+ /// Stop Bits 0x01 - 1 Stop Bit.\r
+ /// Stop Bits 0x02 - 1.5 Stop Bits.\r
+ /// Stop Bits 0x03 - 2 Stop Bits.\r
///\r
UINT8 StopBits;\r
} UART_DEVICE_PATH;\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID\r
+ /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL GUID.\r
///\r
EFI_GUID Guid;\r
///\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// DEVICE_PATH_MESSAGING_SAS GUID\r
+ /// DEVICE_PATH_MESSAGING_SAS GUID.\r
///\r
EFI_GUID Guid;\r
///\r
///\r
UINT64 Lun;\r
///\r
- /// More Information about the device and its interconnect\r
+ /// More Information about the device and its interconnect.\r
///\r
UINT16 DeviceTopology;\r
///\r
- /// Relative Target Port (RTP)\r
+ /// Relative Target Port (RTP).\r
///\r
UINT16 RelativeTargetPort;\r
} SAS_DEVICE_PATH;\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// Network Protocol (0 = TCP, 1+ = reserved)\r
+ /// Network Protocol (0 = TCP, 1+ = reserved).\r
///\r
UINT16 NetworkProtocol;\r
///\r
- /// iSCSI Login Options\r
+ /// iSCSI Login Options.\r
///\r
UINT16 LoginOption;\r
///\r
- /// iSCSI Logical Unit Number\r
+ /// iSCSI Logical Unit Number.\r
///\r
UINT64 Lun;\r
///\r
/// iSCSI NodeTarget Name. The length of the name\r
/// is determined by subtracting the offset of this field from Length.\r
///\r
- /// CHAR8 iSCSI Target Name\r
+ /// CHAR8 iSCSI Target Name.\r
} ISCSI_DEVICE_PATH;\r
\r
#define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000\r
#define ISCSI_LOGIN_OPTION_CHAP_UNI 0x2000\r
\r
///\r
-/// VLAN Device Path SubType\r
+/// VLAN Device Path SubType.\r
///\r
#define MSG_VLAN_DP 0x14\r
typedef struct {\r
EFI_DEVICE_PATH_PROTOCOL Header;\r
///\r
- /// VLAN identifier (0-4094)\r
+ /// VLAN identifier (0-4094).\r
///\r
UINT16 VlanId;\r
} VLAN_DEVICE_PATH;\r
#define MEDIA_DEVICE_PATH 0x04\r
\r
///\r
-/// Hard Drive Media Device Path SubType\r
+/// Hard Drive Media Device Path SubType.\r
///\r
#define MEDIA_HARDDRIVE_DP 0x01\r
\r
///\r
UINT32 PartitionNumber;\r
///\r
- /// Starting LBA of the partition on the hard drive\r
+ /// Starting LBA of the partition on the hard drive.\r
///\r
UINT64 PartitionStart;\r
///\r
- /// Size of the partition in units of Logical Blocks\r
+ /// Size of the partition in units of Logical Blocks.\r
///\r
UINT64 PartitionSize;\r
///\r
///\r
UINT8 Signature[16];\r
///\r
- /// Partition Format: (Unused values reserved)\r
- /// 0x01 - PC-AT compatible legacy MBR\r
- /// 0x02 - GUID Partition Table\r
+ /// Partition Format: (Unused values reserved).\r
+ /// 0x01 - PC-AT compatible legacy MBR.\r
+ /// 0x02 - GUID Partition Table.\r
///\r
UINT8 MBRType;\r
///\r
- /// Type of Disk Signature: (Unused values reserved)\r
+ /// Type of Disk Signature: (Unused values reserved).\r
/// 0x00 - No Disk Signature.\r
/// 0x01 - 32-bit signature from address 0x1b8 of the type 0x01 MBR.\r
/// 0x02 - GUID signature.\r
#define SIGNATURE_TYPE_GUID 0x02\r
\r
///\r
-/// CD-ROM Media Device Path SubType\r
+/// CD-ROM Media Device Path SubType.\r
///\r
#define MEDIA_CDROM_DP 0x02\r
\r
//\r
// Use VENDOR_DEVICE_PATH struct\r
//\r
-#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype\r
+#define MEDIA_VENDOR_DP 0x03 ///< Media vendor device path subtype.\r
\r
///\r
/// File Path Media Device Path SubType\r
#define SIZE_OF_FILEPATH_DEVICE_PATH OFFSET_OF(FILEPATH_DEVICE_PATH,PathName)\r
\r
///\r
-/// Media Protocol Device Path SubType\r
+/// Media Protocol Device Path SubType.\r
///\r
#define MEDIA_PROTOCOL_DP 0x05\r
\r
} MEDIA_PROTOCOL_DEVICE_PATH;\r
\r
///\r
-/// PIWG Firmware Volume Device Path SubType\r
+/// PIWG Firmware Volume Device Path SubType.\r
///\r
#define MEDIA_PIWG_FW_FILE_DP 0x06\r
\r
} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;\r
\r
///\r
-/// PIWG Firmware Volume Device Path SubType\r
+/// PIWG Firmware Volume Device Path SubType.\r
///\r
#define MEDIA_PIWG_FW_VOL_DP 0x07\r
\r
} MEDIA_FW_VOL_DEVICE_PATH;\r
\r
///\r
-/// Media relative offset range device path\r
+/// Media relative offset range device path.\r
///\r
#define MEDIA_RELATIVE_OFFSET_RANGE_DP 0x08\r
\r
} MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;\r
\r
///\r
-/// BIOS Boot Specification Device Path\r
+/// BIOS Boot Specification Device Path.\r
///\r
#define BBS_DEVICE_PATH 0x05\r
\r
///\r
-/// BIOS Boot Specification Device Path SubType\r
+/// BIOS Boot Specification Device Path SubType.\r
///\r
#define BBS_BBS_DP 0x01\r
\r
///\r
UINT16 DeviceType;\r
///\r
- /// Status Flags as defined by the BIOS Boot Specification\r
+ /// Status Flags as defined by the BIOS Boot Specification.\r
///\r
UINT16 StatusFlag;\r
///\r
\r
\r
///\r
-/// Union of all possible Device Paths and pointers to Device Paths\r
+/// Union of all possible Device Paths and pointers to Device Paths.\r
///\r
typedef union {\r
EFI_DEVICE_PATH_PROTOCOL DevPath;\r
projects / mirror_edk2.git / blobdiff