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#ifndef _DEVPATH_H |
#define _DEVPATH_H |
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/*++ |
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Copyright (c) 1998 Intel Corporation |
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Module Name: |
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devpath.h |
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Abstract: |
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Defines for parsing the EFI Device Path structures |
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Revision History |
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--*/ |
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// |
// Device Path structures - Section C |
// |
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typedef struct _EFI_DEVICE_PATH { |
UINT8 Type; |
UINT8 SubType; |
UINT8 Length[2]; |
} EFI_DEVICE_PATH; |
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#define EFI_DP_TYPE_MASK 0x7F |
#define EFI_DP_TYPE_UNPACKED 0x80 |
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//#define END_DEVICE_PATH_TYPE 0xff |
#define END_DEVICE_PATH_TYPE 0x7f |
//#define END_DEVICE_PATH_TYPE_UNPACKED 0x7f |
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#define END_ENTIRE_DEVICE_PATH_SUBTYPE 0xff |
#define END_INSTANCE_DEVICE_PATH_SUBTYPE 0x01 |
#define END_DEVICE_PATH_LENGTH (sizeof(EFI_DEVICE_PATH)) |
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#define DP_IS_END_TYPE(a) |
#define DP_IS_END_SUBTYPE(a) ( ((a)->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE ) |
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#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 ) |
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#define SetDevicePathNodeLength(a,l) { \ |
(a)->Length[0] = (UINT8) (l); \ |
(a)->Length[1] = (UINT8) ((l) >> 8); \ |
} |
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#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; \ |
} |
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/* |
* |
*/ |
#define HARDWARE_DEVICE_PATH 0x01 |
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#define HW_PCI_DP 0x01 |
typedef struct _PCI_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT8 Function; |
UINT8 Device; |
} PCI_DEVICE_PATH; |
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#define HW_PCCARD_DP 0x02 |
typedef struct _PCCARD_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT8 SocketNumber; |
} PCCARD_DEVICE_PATH; |
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#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; |
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#define HW_VENDOR_DP 0x04 |
typedef struct _VENDOR_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
EFI_GUID Guid; |
} VENDOR_DEVICE_PATH; |
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#define UNKNOWN_DEVICE_GUID \ |
{ 0xcf31fac5, 0xc24e, 0x11d2, {0x85, 0xf3, 0x0, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} } |
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typedef struct _UKNOWN_DEVICE_VENDOR_DP { |
VENDOR_DEVICE_PATH DevicePath; |
UINT8 LegacyDriveLetter; |
} UNKNOWN_DEVICE_VENDOR_DEVICE_PATH; |
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#define HW_CONTROLLER_DP 0x05 |
typedef struct _CONTROLLER_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 Controller; |
} CONTROLLER_DEVICE_PATH; |
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/* |
* |
*/ |
#define ACPI_DEVICE_PATH 0x02 |
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#define ACPI_DP 0x01 |
typedef struct _ACPI_HID_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 HID; |
UINT32 UID; |
} ACPI_HID_DEVICE_PATH; |
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// |
// 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))) |
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#define PNP_EISA_ID_MASK 0xffff |
#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16) |
/* |
* |
*/ |
#define MESSAGING_DEVICE_PATH 0x03 |
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#define MSG_ATAPI_DP 0x01 |
typedef struct _ATAPI_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT8 PrimarySecondary; |
UINT8 SlaveMaster; |
UINT16 Lun; |
} ATAPI_DEVICE_PATH; |
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#define MSG_SCSI_DP 0x02 |
typedef struct _SCSI_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT16 Pun; |
UINT16 Lun; |
} SCSI_DEVICE_PATH; |
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#define MSG_FIBRECHANNEL_DP 0x03 |
typedef struct _FIBRECHANNEL_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 Reserved; |
UINT64 WWN; |
UINT64 Lun; |
} FIBRECHANNEL_DEVICE_PATH; |
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#define MSG_1394_DP 0x04 |
typedef struct _F1394_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 Reserved; |
UINT64 Guid; |
} F1394_DEVICE_PATH; |
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#define MSG_USB_DP 0x05 |
typedef struct _USB_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT8 Port; |
UINT8 Endpoint; |
} USB_DEVICE_PATH; |
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#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; |
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#define MSG_I2O_DP 0x06 |
typedef struct _I2O_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 Tid; |
} I2O_DEVICE_PATH; |
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#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; |
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#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; |
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#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; |
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#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; |
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#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; |
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#define MSG_VENDOR_DP 0x0A |
/* Use VENDOR_DEVICE_PATH struct */ |
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#define DEVICE_PATH_MESSAGING_PC_ANSI \ |
{ 0xe0c14753, 0xf9be, 0x11d2, {0x9a, 0x0c, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } |
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#define DEVICE_PATH_MESSAGING_VT_100 \ |
{ 0xdfa66065, 0xb419, 0x11d3, {0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d} } |
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#define MEDIA_DEVICE_PATH 0x04 |
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#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; |
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#define MBR_TYPE_PCAT 0x01 |
#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02 |
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#define SIGNATURE_TYPE_MBR 0x01 |
#define SIGNATURE_TYPE_GUID 0x02 |
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#define MEDIA_CDROM_DP 0x02 |
typedef struct _CDROM_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
UINT32 BootEntry; |
UINT64 PartitionStart; |
UINT64 PartitionSize; |
} CDROM_DEVICE_PATH; |
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#define MEDIA_VENDOR_DP 0x03 |
/* Use VENDOR_DEVICE_PATH struct */ |
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#define MEDIA_FILEPATH_DP 0x04 |
typedef struct _FILEPATH_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
CHAR16 PathName[1]; |
} FILEPATH_DEVICE_PATH; |
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#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName) |
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#define MEDIA_PROTOCOL_DP 0x05 |
typedef struct _MEDIA_PROTOCOL_DEVICE_PATH { |
EFI_DEVICE_PATH Header; |
EFI_GUID Protocol; |
} MEDIA_PROTOCOL_DEVICE_PATH; |
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#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; |
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/* 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 |
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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; |
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ATAPI_DEVICE_PATH Atapi; |
SCSI_DEVICE_PATH Scsi; |
FIBRECHANNEL_DEVICE_PATH FibreChannel; |
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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; |
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HARDDRIVE_DEVICE_PATH HardDrive; |
CDROM_DEVICE_PATH CD; |
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FILEPATH_DEVICE_PATH FilePath; |
MEDIA_PROTOCOL_DEVICE_PATH MediaProtocol; |
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BBS_BBS_DEVICE_PATH Bbs; |
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} EFI_DEV_PATH; |
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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; |
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ATAPI_DEVICE_PATH *Atapi; |
SCSI_DEVICE_PATH *Scsi; |
FIBRECHANNEL_DEVICE_PATH *FibreChannel; |
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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; |
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HARDDRIVE_DEVICE_PATH *HardDrive; |
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FILEPATH_DEVICE_PATH *FilePath; |
MEDIA_PROTOCOL_DEVICE_PATH *MediaProtocol; |
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CDROM_DEVICE_PATH *CD; |
BBS_BBS_DEVICE_PATH *Bbs; |
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} EFI_DEV_PATH_PTR; |
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#endif |