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#ifndef _DEVPATH_H
#define _DEVPATH_H
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
devpath.h
Abstract:
Defines for parsing the EFI Device Path structures
Revision History
--*/
//
// Device Path structures - Section C
//
typedef struct _EFI_DEVICE_PATH {
UINT8 Type;
UINT8 SubType;
UINT8 Length[2];
} EFI_DEVICE_PATH;
#define EFI_DP_TYPE_MASK 0x7F
#define EFI_DP_TYPE_UNPACKED 0x80
//#define END_DEVICE_PATH_TYPE 0xff
#define END_DEVICE_PATH_TYPE 0x7f
//#define END_DEVICE_PATH_TYPE_UNPACKED 0x7f
#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff
#define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01
#define END_DEVICE_PATH_LENGTH (sizeof(EFI_DEVICE_PATH))
#define DP_IS_END_TYPE(a)
#define DP_IS_END_SUBTYPE(a) ( ((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
#define DevicePathType(a) ( ((a)->Type) & EFI_DP_TYPE_MASK )
#define DevicePathSubType(a) ( (a)->SubType )
#define DevicePathNodeLength(a) ( ((a)->Length[0]) | ((a)->Length[1] << 8) )
#define NextDevicePathNode(a) ( (EFI_DEVICE_PATH *) ( ((UINT8 *) (a)) + DevicePathNodeLength(a)))
//#define IsDevicePathEndType(a) ( DevicePathType(a) == END_DEVICE_PATH_TYPE_UNPACKED )
#define IsDevicePathEndType(a) ( DevicePathType(a) == END_DEVICE_PATH_TYPE )
#define IsDevicePathEndSubType(a) ( (a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE )
#define IsDevicePathEnd(a) ( IsDevicePathEndType(a) && IsDevicePathEndSubType(a) )
#define IsDevicePathUnpacked(a) ( (a)->Type & EFI_DP_TYPE_UNPACKED )
#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); \
(a)->Length[1] = 0; \
}
/*
*
*/
#define HARDWARE_DEVICE_PATH 0x01
#define HW_PCI_DP 0x01
typedef struct _PCI_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT8 Function;
UINT8 Device;
} PCI_DEVICE_PATH;
#define HW_PCCARD_DP 0x02
typedef struct _PCCARD_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT8 SocketNumber;
} PCCARD_DEVICE_PATH;
#define HW_MEMMAP_DP 0x03
typedef struct _MEMMAP_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 MemoryType;
EFI_PHYSICAL_ADDRESS StartingAddress;
EFI_PHYSICAL_ADDRESS EndingAddress;
} MEMMAP_DEVICE_PATH;
#define HW_VENDOR_DP 0x04
typedef struct _VENDOR_DEVICE_PATH {
EFI_DEVICE_PATH Header;
EFI_GUID Guid;
} VENDOR_DEVICE_PATH;
#define UNKNOWN_DEVICE_GUID \
{ 0xcf31fac5, 0xc24e, 0x11d2, {0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
typedef struct _UKNOWN_DEVICE_VENDOR_DP {
VENDOR_DEVICE_PATH DevicePath;
UINT8 LegacyDriveLetter;
} UNKNOWN_DEVICE_VENDOR_DEVICE_PATH;
#define HW_CONTROLLER_DP 0x05
typedef struct _CONTROLLER_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Controller;
} CONTROLLER_DEVICE_PATH;
/*
*
*/
#define ACPI_DEVICE_PATH 0x02
#define ACPI_DP 0x01
typedef struct _ACPI_HID_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 HID;
UINT32 UID;
} ACPI_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 PNP_EISA_ID_MASK 0xffff
#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
/*
*
*/
#define MESSAGING_DEVICE_PATH 0x03
#define MSG_ATAPI_DP 0x01
typedef struct _ATAPI_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT8 PrimarySecondary;
UINT8 SlaveMaster;
UINT16 Lun;
} ATAPI_DEVICE_PATH;
#define MSG_SCSI_DP 0x02
typedef struct _SCSI_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT16 Pun;
UINT16 Lun;
} SCSI_DEVICE_PATH;
#define MSG_FIBRECHANNEL_DP 0x03
typedef struct _FIBRECHANNEL_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Reserved;
UINT64 WWN;
UINT64 Lun;
} FIBRECHANNEL_DEVICE_PATH;
#define MSG_1394_DP 0x04
typedef struct _F1394_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Reserved;
UINT64 Guid;
} F1394_DEVICE_PATH;
#define MSG_USB_DP 0x05
typedef struct _USB_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT8 Port;
UINT8 Endpoint;
} USB_DEVICE_PATH;
#define MSG_USB_CLASS_DP 0x0F
typedef struct _USB_CLASS_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT16 VendorId;
UINT16 ProductId;
UINT8 DeviceClass;
UINT8 DeviceSubclass;
UINT8 DeviceProtocol;
} USB_CLASS_DEVICE_PATH;
#define MSG_I2O_DP 0x06
typedef struct _I2O_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Tid;
} I2O_DEVICE_PATH;
#define MSG_MAC_ADDR_DP 0x0b
typedef struct _MAC_ADDR_DEVICE_PATH {
EFI_DEVICE_PATH Header;
EFI_MAC_ADDRESS MacAddress;
UINT8 IfType;
} MAC_ADDR_DEVICE_PATH;
#define MSG_IPv4_DP 0x0c
typedef struct _IPv4_DEVICE_PATH {
EFI_DEVICE_PATH Header;
EFI_IPv4_ADDRESS LocalIpAddress;
EFI_IPv4_ADDRESS RemoteIpAddress;
UINT16 LocalPort;
UINT16 RemotePort;
UINT16 Protocol;
BOOLEAN StaticIpAddress;
} IPv4_DEVICE_PATH;
#define MSG_IPv6_DP 0x0d
typedef struct _IPv6_DEVICE_PATH {
EFI_DEVICE_PATH Header;
EFI_IPv6_ADDRESS LocalIpAddress;
EFI_IPv6_ADDRESS RemoteIpAddress;
UINT16 LocalPort;
UINT16 RemotePort;
UINT16 Protocol;
BOOLEAN StaticIpAddress;
} IPv6_DEVICE_PATH;
#define MSG_INFINIBAND_DP 0x09
typedef struct _INFINIBAND_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Reserved;
UINT64 NodeGuid;
UINT64 IocGuid;
UINT64 DeviceId;
} INFINIBAND_DEVICE_PATH;
#define MSG_UART_DP 0x0e
typedef struct _UART_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 Reserved;
UINT64 BaudRate;
UINT8 DataBits;
UINT8 Parity;
UINT8 StopBits;
} UART_DEVICE_PATH;
#define MSG_VENDOR_DP 0x0A
/* Use VENDOR_DEVICE_PATH struct */
#define DEVICE_PATH_MESSAGING_PC_ANSI \
{ 0xe0c14753, 0xf9be, 0x11d2, {0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
#define DEVICE_PATH_MESSAGING_VT_100 \
{ 0xdfa66065, 0xb419, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} }
#define MEDIA_DEVICE_PATH 0x04
#define MEDIA_HARDDRIVE_DP 0x01
typedef struct _HARDDRIVE_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 PartitionNumber;
UINT64 PartitionStart;
UINT64 PartitionSize;
UINT8 Signature[16];
UINT8 MBRType;
UINT8 SignatureType;
} HARDDRIVE_DEVICE_PATH;
#define MBR_TYPE_PCAT 0x01
#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
#define SIGNATURE_TYPE_MBR 0x01
#define SIGNATURE_TYPE_GUID 0x02
#define MEDIA_CDROM_DP 0x02
typedef struct _CDROM_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT32 BootEntry;
UINT64 PartitionStart;
UINT64 PartitionSize;
} CDROM_DEVICE_PATH;
#define MEDIA_VENDOR_DP 0x03
/* Use VENDOR_DEVICE_PATH struct */
#define MEDIA_FILEPATH_DP 0x04
typedef struct _FILEPATH_DEVICE_PATH {
EFI_DEVICE_PATH Header;
CHAR16 PathName[1];
} FILEPATH_DEVICE_PATH;
#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)
#define MEDIA_PROTOCOL_DP 0x05
typedef struct _MEDIA_PROTOCOL_DEVICE_PATH {
EFI_DEVICE_PATH Header;
EFI_GUID Protocol;
} MEDIA_PROTOCOL_DEVICE_PATH;
#define BBS_DEVICE_PATH 0x05
#define BBS_BBS_DP 0x01
typedef struct _BBS_BBS_DEVICE_PATH {
EFI_DEVICE_PATH Header;
UINT16 DeviceType;
UINT16 StatusFlag;
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_DEV 0x80
#define BBS_TYPE_UNKNOWN 0xFF
typedef union {
EFI_DEVICE_PATH DevPath;
PCI_DEVICE_PATH Pci;
PCCARD_DEVICE_PATH PcCard;
MEMMAP_DEVICE_PATH MemMap;
VENDOR_DEVICE_PATH Vendor;
UNKNOWN_DEVICE_VENDOR_DEVICE_PATH UnknownVendor;
CONTROLLER_DEVICE_PATH Controller;
ACPI_HID_DEVICE_PATH Acpi;
ATAPI_DEVICE_PATH Atapi;
SCSI_DEVICE_PATH Scsi;
FIBRECHANNEL_DEVICE_PATH FibreChannel;
F1394_DEVICE_PATH F1394;
USB_DEVICE_PATH Usb;
USB_CLASS_DEVICE_PATH UsbClass;
I2O_DEVICE_PATH I2O;
MAC_ADDR_DEVICE_PATH MacAddr;
IPv4_DEVICE_PATH Ipv4;
IPv6_DEVICE_PATH Ipv6;
INFINIBAND_DEVICE_PATH InfiniBand;
UART_DEVICE_PATH Uart;
HARDDRIVE_DEVICE_PATH HardDrive;
CDROM_DEVICE_PATH CD;
FILEPATH_DEVICE_PATH FilePath;
MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol;
BBS_BBS_DEVICE_PATH Bbs;
} EFI_DEV_PATH;
typedef union {
EFI_DEVICE_PATH *DevPath;
PCI_DEVICE_PATH *Pci;
PCCARD_DEVICE_PATH *PcCard;
MEMMAP_DEVICE_PATH *MemMap;
VENDOR_DEVICE_PATH *Vendor;
UNKNOWN_DEVICE_VENDOR_DEVICE_PATH *UnknownVendor;
CONTROLLER_DEVICE_PATH *Controller;
ACPI_HID_DEVICE_PATH *Acpi;
ATAPI_DEVICE_PATH *Atapi;
SCSI_DEVICE_PATH *Scsi;
FIBRECHANNEL_DEVICE_PATH *FibreChannel;
F1394_DEVICE_PATH *F1394;
USB_DEVICE_PATH *Usb;
USB_CLASS_DEVICE_PATH *UsbClass;
I2O_DEVICE_PATH *I2O;
MAC_ADDR_DEVICE_PATH *MacAddr;
IPv4_DEVICE_PATH *Ipv4;
IPv6_DEVICE_PATH *Ipv6;
INFINIBAND_DEVICE_PATH *InfiniBand;
UART_DEVICE_PATH *Uart;
HARDDRIVE_DEVICE_PATH *HardDrive;
FILEPATH_DEVICE_PATH *FilePath;
MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol;
CDROM_DEVICE_PATH *CD;
BBS_BBS_DEVICE_PATH *Bbs;
} EFI_DEV_PATH_PTR;
#endif
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