Update comments for Protocol definitions to match UEFI spec. And add the missing comments for the data structure.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6636 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
@@ -76,36 +76,80 @@ typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH;
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///
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#define HARDWARE_DEVICE_PATH 0x01
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///
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/// PCI Device Path
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///
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#define HW_PCI_DP 0x01
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// PCI Function Number
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///
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UINT8 Function;
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///
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/// PCI Device Number
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///
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UINT8 Device;
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} PCI_DEVICE_PATH;
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///
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/// PCCARD Device Path
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///
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#define HW_PCCARD_DP 0x02
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Function Number (0 = First Function)
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///
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UINT8 FunctionNumber;
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} PCCARD_DEVICE_PATH;
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///
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/// Memory Mapped Device Path
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///
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#define HW_MEMMAP_DP 0x03
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// EFI_MEMORY_TYPE
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///
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UINT32 MemoryType;
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///
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/// Starting Memory Address.
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///
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EFI_PHYSICAL_ADDRESS StartingAddress;
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///
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/// Ending Memory Address
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///
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EFI_PHYSICAL_ADDRESS EndingAddress;
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} MEMMAP_DEVICE_PATH;
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///
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/// The Vendor Device Path allows the creation of vendor-defined Device Paths. A vendor must
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/// allocate a Vendor GUID for a Device Path. The Vendor GUID can then be used to define the
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/// contents on the n bytes that follow in the Vendor Device Path node.
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///
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#define HW_VENDOR_DP 0x04
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Vendor-assigned GUID that defines the data that follows.
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///
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EFI_GUID Guid;
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///
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/// Vendor-defined variable size data.
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///
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} VENDOR_DEVICE_PATH;
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///
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/// Controller Device Path
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///
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#define HW_CONTROLLER_DP 0x05
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Controller number.
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///
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UINT32 ControllerNumber;
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} CONTROLLER_DEVICE_PATH;
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@@ -114,18 +158,52 @@ typedef struct {
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///
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#define ACPI_DEVICE_PATH 0x02
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///
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/// ACPI Device Path
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///
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#define ACPI_DP 0x01
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Device's PnP hardware ID stored in a numeric 32-bit
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/// compressed EISA-type ID. This value must match the
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/// corresponding _HID in the ACPI name space.
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///
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UINT32 HID;
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///
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/// Unique ID that is required by ACPI if two devices have the
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/// same _HID. This value must also match the corresponding
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/// _UID/_HID pair in the ACPI name space. Only the 32-bit
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/// numeric value type of _UID is supported; thus strings must
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/// not be used for the _UID in the ACPI name space.
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///
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UINT32 UID;
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} ACPI_HID_DEVICE_PATH;
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///
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/// Expanded ACPI Device Path.
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///
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#define ACPI_EXTENDED_DP 0x02
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Device's PnP hardware ID stored in a numeric 32-bit
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/// compressed EISA-type ID. This value must match the
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/// corresponding _HID in the ACPI name space.
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///
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UINT32 HID;
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///
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/// Unique ID that is required by ACPI if two devices have the
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/// same _HID. This value must also match the corresponding
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/// _UID/_HID pair in the ACPI name space.
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///
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UINT32 UID;
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///
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/// Device<63><65>s compatible PnP hardware ID stored in a numeric
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/// 32-bit compressed EISA-type ID. This value must match at
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/// least one of the compatible device IDs returned by the
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/// corresponding _CID in the ACPI name space.
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///
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UINT32 CID;
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///
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/// Optional variable length _HIDSTR
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@@ -150,10 +228,23 @@ typedef struct {
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#define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
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///
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/// The _ADR device path is used to contain video output device attributes to support the Graphics
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/// Output Protocol. The device path can contain multiple _ADR entries if multiple video output
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/// devices are displaying the same output.
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///
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#define ACPI_ADR_DP 0x03
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// _ADR value. For video output devices the value of this
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/// field comes from Table B-2 ACPI 3.0 specification. At
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/// least one _ADR value is required.
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///
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UINT32 ADR;
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///
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/// This device path may optionally contain more than one _ADR entry.
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///
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} ACPI_ADR_DEVICE_PATH;
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#define ACPI_ADR_DISPLAY_TYPE_OTHER 0
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@@ -174,122 +265,322 @@ typedef struct {
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///
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/// Messaging Device Paths
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/// This Device Path is used to describe the connection of devices outside the resource domain of the
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/// system. This Device Path can describe physical messaging information like SCSI ID, or abstract
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/// information like networking protocol IP addresses.
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///
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#define MESSAGING_DEVICE_PATH 0x03
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///
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/// ATAPI Device Path
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///
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#define MSG_ATAPI_DP 0x01
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Set to zero for primary or one for secondary
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///
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UINT8 PrimarySecondary;
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///
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/// Set to zero for master or one for slave mode
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///
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UINT8 SlaveMaster;
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///
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/// Logical Unit Number
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///
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UINT16 Lun;
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} ATAPI_DEVICE_PATH;
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///
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/// SCSI Device Path
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///
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#define MSG_SCSI_DP 0x02
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Target ID on the SCSI bus (PUN)
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///
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UINT16 Pun;
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///
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/// Logical Unit Number (LUN)
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///
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UINT16 Lun;
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} SCSI_DEVICE_PATH;
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///
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/// Fibre Channel
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///
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#define MSG_FIBRECHANNEL_DP 0x03
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Reserved for the future.
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///
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UINT32 Reserved;
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///
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/// Fibre Channel World Wide Number.
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///
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UINT64 WWN;
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///
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/// Fibre Channel Logical Unit Number.
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///
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UINT64 Lun;
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} FIBRECHANNEL_DEVICE_PATH;
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///
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/// 1394 Device Path
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///
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#define MSG_1394_DP 0x04
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Reserved for the future.
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///
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UINT32 Reserved;
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///
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/// 1394 Global Unique ID (GUID).
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///
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UINT64 Guid;
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} F1394_DEVICE_PATH;
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///
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/// USB Device Path
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///
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#define MSG_USB_DP 0x05
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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UINT8 ParentPortNumber;
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UINT8 InterfaceNumber;
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// USB Parent Port Number
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///
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UINT8 ParentPortNumber;
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///
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/// USB Interface Number
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///
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UINT8 InterfaceNumber;
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} USB_DEVICE_PATH;
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///
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/// USB Class Device Path
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///
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#define MSG_USB_CLASS_DP 0x0f
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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UINT16 VendorId;
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UINT16 ProductId;
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UINT8 DeviceClass;
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UINT8 DeviceSubClass;
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UINT8 DeviceProtocol;
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Vendor ID assigned by USB-IF. A value of 0xFFFF will
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/// match any Vendor ID.
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///
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UINT16 VendorId;
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///
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/// Product ID assigned by USB-IF. A value of 0xFFFF will
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/// match any Product ID.
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///
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UINT16 ProductId;
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///
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/// The class code assigned by the USB-IF. A value of 0xFF
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/// will match any class code.
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///
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UINT8 DeviceClass;
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///
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/// The subclass code assigned by the USB-IF. A value of
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/// 0xFF will match any subclass code.
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///
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UINT8 DeviceSubClass;
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///
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/// The protocol code assigned by the USB-IF. A value of
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/// 0xFF will match any protocol code.
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///
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UINT8 DeviceProtocol;
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} USB_CLASS_DEVICE_PATH;
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///
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/// This device path describes a USB device using its serial number.
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/// USB WWID Device Path
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///
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#define MSG_USB_WWID_DP 0x10
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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UINT16 InterfaceNumber;
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UINT16 VendorId;
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UINT16 ProductId;
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// CHAR16 SerialNumber[...];
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// USB interface number
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///
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UINT16 InterfaceNumber;
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///
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/// USB vendor id of the device
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///
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UINT16 VendorId;
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///
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/// USB product id of the device
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///
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UINT16 ProductId;
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///
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/// Last 64-or-fewer UTF-16 characters of the USB
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/// serial number. The length of the string is
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/// determined by the Length field less the offset of the
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/// Serial Number field (10)
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///
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/// CHAR16 SerialNumber[...];
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} USB_WWID_DEVICE_PATH;
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///
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/// Device Logical Unit
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///
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#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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UINT8 Lun;
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Logical Unit Number for the interface
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///
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UINT8 Lun;
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} DEVICE_LOGICAL_UNIT_DEVICE_PATH;
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///
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/// SATA Device Path
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///
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#define MSG_SATA_DP 0x12
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// The HBA port number that facilitates the connection to the
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/// device or a port multiplier. The value 0xFFFF is reserved.
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///
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UINT16 HBAPortNumber;
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///
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/// The Port multiplier port number that facilitates the connection
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/// to the device. Bit 15 should be set if the device is directly
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/// connected to the HBA.
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///
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UINT16 PortMultiplierPortNumber;
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///
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/// Logical Unit Number.
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///
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UINT16 Lun;
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} SATA_DEVICE_PATH;
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///
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/// I2O Device Path
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///
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#define MSG_I2O_DP 0x06
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Target ID (TID) for a device
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///
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UINT32 Tid;
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} I2O_DEVICE_PATH;
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///
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/// MAC Address Device Path
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///
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#define MSG_MAC_ADDR_DP 0x0b
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// The MAC address for a network interface padded with 0s
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///
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EFI_MAC_ADDRESS MacAddress;
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///
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/// Network interface type(i.e. 802.3, FDDI).
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///
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UINT8 IfType;
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} MAC_ADDR_DEVICE_PATH;
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///
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/// IPv4 Device Path
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///
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#define MSG_IPv4_DP 0x0c
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// The local IPv4 address
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///
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EFI_IPv4_ADDRESS LocalIpAddress;
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///
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/// The remote IPv4 address
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///
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EFI_IPv4_ADDRESS RemoteIpAddress;
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///
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/// The local port number
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///
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UINT16 LocalPort;
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///
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/// The remote port number
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///
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UINT16 RemotePort;
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///
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/// The network protocol(i.e. UDP, TCP).
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///
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UINT16 Protocol;
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///
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/// 0x00 - The Source IP Address was assigned though DHCP
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/// 0x01 - The Source IP Address is statically bound
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///
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BOOLEAN StaticIpAddress;
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} IPv4_DEVICE_PATH;
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///
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/// IPv6 Device Path
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///
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#define MSG_IPv6_DP 0x0d
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// The local IPv6 address
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///
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EFI_IPv6_ADDRESS LocalIpAddress;
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///
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/// The remote IPv6 address
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///
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EFI_IPv6_ADDRESS RemoteIpAddress;
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///
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/// The local port number
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///
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UINT16 LocalPort;
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///
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/// The remote port number
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///
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UINT16 RemotePort;
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///
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/// The network protocol(i.e. UDP, TCP).
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///
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UINT16 Protocol;
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///
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/// 0x00 - The Source IP Address was assigned though DHCP
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/// 0x01 - The Source IP Address is statically bound
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///
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BOOLEAN StaticIpAddress;
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} IPv6_DEVICE_PATH;
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///
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/// InfiniBand Device Path
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///
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#define MSG_INFINIBAND_DP 0x09
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Flags to help identify/manage InfiniBand device path elements:
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/// Bit 0 <20>C IOC/Service (0b = IOC, 1b = Service)
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/// Bit 1 <20>C Extend Boot Environment
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/// Bit 2 <20>C Console Protocol
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/// Bit 3 <20>C Storage Protocol
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/// Bit 4 <20>C Network Protocol
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/// All other bits are reserved.
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///
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UINT32 ResourceFlags;
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///
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/// 128-bit Global Identifier for remote fabric port
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///
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UINT8 PortGid[16];
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///
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/// 64-bit unique identifier to remote IOC or server process.
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/// Interpretation of field specified by Resource Flags (bit 0)
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///
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UINT64 ServiceId;
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///
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/// 64-bit persistent ID of remote IOC port
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///
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UINT64 TargetPortId;
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///
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/// 64-bit persistent ID of remote device
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///
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UINT64 DeviceId;
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} INFINIBAND_DEVICE_PATH;
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@@ -299,13 +590,43 @@ typedef struct {
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#define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08
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#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
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///
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/// UART Device Path
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///
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#define MSG_UART_DP 0x0e
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typedef struct {
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EFI_DEVICE_PATH_PROTOCOL Header;
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///
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/// Reserved
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///
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UINT32 Reserved;
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///
|
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/// The baud rate setting for the UART style device. A value of 0
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/// means that the device's default baud rate will be used.
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///
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UINT64 BaudRate;
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///
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/// The number of data bits for the UART style device. A value
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/// of 0 means that the device's default number of data bits will be used.
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///
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UINT8 DataBits;
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///
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/// The parity setting for the UART style device.
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/// Parity 0x00 - Default Parity
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/// Parity 0x01 - No Parity
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/// Parity 0x02 - Even Parity
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/// Parity 0x03 - Odd Parity
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/// Parity 0x04 - Mark Parity
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/// Parity 0x05 - Space Parity
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///
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UINT8 Parity;
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///
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/// The number of stop bits for the UART style device.
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/// Stop Bits 0x00 - Default Stop Bits
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/// Stop Bits 0x01 - 1 Stop Bit
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/// Stop Bits 0x02 - 1.5 Stop Bits
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/// Stop Bits 0x03 - 2 Stop Bits
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///
|
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UINT8 StopBits;
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} UART_DEVICE_PATH;
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@@ -320,34 +641,86 @@ typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH;
|
||||
#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
|
||||
///
|
||||
#define DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL EFI_UART_DEVICE_PATH_GUID
|
||||
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL
|
||||
///
|
||||
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;
|
||||
|
||||
///
|
||||
/// Serial Attached SCSI (SAS) devices.
|
||||
///
|
||||
#define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID
|
||||
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// DEVICE_PATH_MESSAGING_SAS
|
||||
///
|
||||
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;
|
||||
|
||||
///
|
||||
/// iSCSI Device Path Node (Base Information)
|
||||
///
|
||||
#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;
|
||||
// CHAR8 iSCSI Target Name
|
||||
///
|
||||
/// 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
|
||||
@@ -364,73 +737,154 @@ typedef struct {
|
||||
//
|
||||
#define MEDIA_DEVICE_PATH 0x04
|
||||
|
||||
///
|
||||
/// The Hard Drive Media Device Path is used to represent a partition on a hard drive.
|
||||
/// Hard Drive Media Device Path
|
||||
///
|
||||
#define MEDIA_HARDDRIVE_DP 0x01
|
||||
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
|
||||
///
|
||||
UINT8 Signature[16];
|
||||
///
|
||||
/// Partition Format: (Unused values reserved)
|
||||
/// 0x01 <20>C PC-AT compatible legacy MBR
|
||||
/// 0x02 <20>C GUID Partition Table
|
||||
///
|
||||
UINT8 MBRType;
|
||||
///
|
||||
/// Type of Disk Signature: (Unused values reserved)
|
||||
/// 0x00 <20>C No Disk Signature.
|
||||
/// 0x01 <20>C 32-bit signature from address 0x1b8 of the type 0x01 MBR.
|
||||
/// 0x02 <20>C 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
|
||||
|
||||
///
|
||||
/// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.
|
||||
/// CD-ROM Media Device Path
|
||||
///
|
||||
#define MEDIA_CDROM_DP 0x02
|
||||
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
|
||||
//
|
||||
///
|
||||
/// Use VENDOR_DEVICE_PATH struct
|
||||
///
|
||||
#define MEDIA_VENDOR_DP 0x03
|
||||
|
||||
///
|
||||
/// File Path Media Device Path
|
||||
///
|
||||
#define MEDIA_FILEPATH_DP 0x04
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// A NULL-terminated Unicode Path string including directory and file names.
|
||||
///
|
||||
CHAR16 PathName[1];
|
||||
} FILEPATH_DEVICE_PATH;
|
||||
|
||||
#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)
|
||||
|
||||
///
|
||||
/// 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.
|
||||
///
|
||||
#define MEDIA_PROTOCOL_DP 0x05
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// The ID of the protocol.
|
||||
///
|
||||
EFI_GUID Protocol;
|
||||
} MEDIA_PROTOCOL_DEVICE_PATH;
|
||||
|
||||
|
||||
///
|
||||
/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume.
|
||||
/// PIWG Firmware Volume Device Path.
|
||||
///
|
||||
#define MEDIA_PIWG_FW_VOL_DP 0x7
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// Firmware volume name.
|
||||
///
|
||||
EFI_GUID FvName;
|
||||
} MEDIA_FW_VOL_DEVICE_PATH;
|
||||
|
||||
|
||||
///
|
||||
/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file.
|
||||
/// PIWG Firmware Volume Device Path
|
||||
///
|
||||
#define MEDIA_PIWG_FW_FILE_DP 0x6
|
||||
typedef struct {
|
||||
EFI_DEVICE_PATH_PROTOCOL Header;
|
||||
///
|
||||
/// Firmware file name
|
||||
///
|
||||
EFI_GUID FvFileName;
|
||||
} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
|
||||
|
||||
//
|
||||
// BBS Device Path
|
||||
//
|
||||
///
|
||||
/// This Device Path is used to describe the booting of non-EFI-aware operating systems.
|
||||
/// BIOS Boot Specification Device Path
|
||||
///
|
||||
#define BBS_DEVICE_PATH 0x05
|
||||
#define BBS_BBS_DP 0x01
|
||||
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;
|
||||
///
|
||||
/// ASCIIZ string that describes the boot device to a user.
|
||||
///
|
||||
CHAR8 String[1];
|
||||
} BBS_BBS_DEVICE_PATH;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user