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system76-edk2/MdeModulePkg/Library/GenericBdsLib/DevicePath.c

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/** @file
BDS internal function define the default device path string, it can be
replaced by platform device path.
Copyright (c) 2004 - 2008, Intel Corporation. <BR>
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.
**/
#include "InternalBdsLib.h"
EFI_GUID mEfiDevicePathMessagingUartFlowControlGuid = DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL;
EFI_GUID mEfiDevicePathMessagingSASGuid = DEVICE_PATH_MESSAGING_SAS;
VOID *
ReallocatePool (
IN VOID *OldPool,
IN UINTN OldSize,
IN UINTN NewSize
)
/*++
Routine Description:
Adjusts the size of a previously allocated buffer.
Arguments:
OldPool - A pointer to the buffer whose size is being adjusted.
OldSize - The size of the current buffer.
NewSize - The size of the new buffer.
Returns:
EFI_SUCEESS - The requested number of bytes were allocated.
EFI_OUT_OF_RESOURCES - The pool requested could not be allocated.
EFI_INVALID_PARAMETER - The buffer was invalid.
--*/
{
VOID *NewPool;
NewPool = NULL;
if (NewSize) {
NewPool = AllocateZeroPool (NewSize);
}
if (OldPool) {
if (NewPool) {
CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize);
}
gBS->FreePool (OldPool);
}
return NewPool;
}
/**
Concatenates a formatted unicode string to allocated pool.
The caller must free the resulting buffer.
@param Str Tracks the allocated pool, size in use, and amount of pool
allocated.
@param fmt The format string
@return Allocated buffer with the formatted string printed in it.
@return The caller must free the allocated buffer. The buffer
@return allocation is not packed.
**/
CHAR16 *
EFIAPI
CatPrint (
IN OUT POOL_PRINT *Str,
IN CHAR16 *fmt,
...
)
{
UINT16 *AppendStr;
VA_LIST args;
UINTN strsize;
AppendStr = AllocateZeroPool (0x1000);
if (AppendStr == NULL) {
return Str->str;
}
VA_START (args, fmt);
UnicodeVSPrint (AppendStr, 0x1000, fmt, args);
VA_END (args);
if (NULL == Str->str) {
strsize = StrSize (AppendStr);
Str->str = AllocateZeroPool (strsize);
ASSERT (Str->str != NULL);
} else {
strsize = StrSize (AppendStr);
strsize += (StrSize (Str->str) - sizeof (UINT16));
Str->str = ReallocatePool (
Str->str,
StrSize (Str->str),
strsize
);
ASSERT (Str->str != NULL);
}
Str->maxlen = MAX_CHAR * sizeof (UINT16);
if (strsize < Str->maxlen) {
StrCat (Str->str, AppendStr);
Str->len = strsize - sizeof (UINT16);
}
gBS->FreePool (AppendStr);
return Str->str;
}
/**
Function unpacks a device path data structure so that all the nodes
of a device path are naturally aligned.
@param DevPath A pointer to a device path data structure
@return A ponter to new device If the memory for the device path is successfully allocated, then a
pointer to the new device path is returned. Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
EFIAPI
BdsLibUnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
EFI_DEVICE_PATH_PROTOCOL *Src;
EFI_DEVICE_PATH_PROTOCOL *Dest;
EFI_DEVICE_PATH_PROTOCOL *NewPath;
UINTN Size;
//
// Walk device path and round sizes to valid boundries
//
Src = DevPath;
Size = 0;
for (;;) {
Size += DevicePathNodeLength (Src);
Size += ALIGN_SIZE (Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
//
// Allocate space for the unpacked path
//
NewPath = AllocateZeroPool (Size);
if (NewPath) {
ASSERT (((UINTN) NewPath) % MIN_ALIGNMENT_SIZE == 0);
//
// Copy each node
//
Src = DevPath;
Dest = NewPath;
for (;;) {
Size = DevicePathNodeLength (Src);
CopyMem (Dest, Src, Size);
Size += ALIGN_SIZE (Size);
SetDevicePathNodeLength (Dest, Size);
Dest->Type |= EFI_DP_TYPE_UNPACKED;
Dest = (EFI_DEVICE_PATH_PROTOCOL *) (((UINT8 *) Dest) + Size);
if (IsDevicePathEnd (Src)) {
break;
}
Src = NextDevicePathNode (Src);
}
}
return NewPath;
}
VOID
DevPathPci (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
PCI_DEVICE_PATH *Pci;
Pci = DevPath;
CatPrint (Str, L"Pci(%x|%x)", (UINTN) Pci->Device, (UINTN) Pci->Function);
}
VOID
DevPathPccard (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
PCCARD_DEVICE_PATH *Pccard;
Pccard = DevPath;
CatPrint (Str, L"Pcmcia(Function%x)", (UINTN) Pccard->FunctionNumber);
}
VOID
DevPathMemMap (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MEMMAP_DEVICE_PATH *MemMap;
MemMap = DevPath;
CatPrint (
Str,
L"MemMap(%d:%lx-%lx)",
MemMap->MemoryType,
MemMap->StartingAddress,
MemMap->EndingAddress
);
}
VOID
DevPathController (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
CONTROLLER_DEVICE_PATH *Controller;
Controller = DevPath;
CatPrint (Str, L"Ctrl(%d)", (UINTN) Controller->ControllerNumber);
}
/**
Convert Vendor device path to device name
@param Str The buffer store device name
@param DevPath Pointer to vendor device path
@return When it return, the device name have been stored in *Str.
**/
VOID
EFIAPI
DevPathVendor (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
VENDOR_DEVICE_PATH *Vendor;
CHAR16 *Type;
UINTN DataLength;
UINTN Index;
UINT32 FlowControlMap;
UINT16 Info;
Vendor = DevPath;
switch (DevicePathType (&Vendor->Header)) {
case HARDWARE_DEVICE_PATH:
Type = L"Hw";
// bugbug: nt 32 specific definition
#if 0
//
// If the device is a winntbus device, we will give it a readable device name.
//
if (CompareGuid (&Vendor->Guid, &mEfiWinNtThunkProtocolGuid)) {
CatPrint (Str, L"%s", L"WinNtBus");
return ;
} else if (CompareGuid (&Vendor->Guid, &mEfiWinNtGopGuid)) {
CatPrint (Str, L"%s", L"GOP");
return ;
} else if (CompareGuid (&Vendor->Guid, &mEfiWinNtSerialPortGuid)) {
CatPrint (Str, L"%s", L"Serial");
return ;
}
#endif
break;
case MESSAGING_DEVICE_PATH:
Type = L"Msg";
if (CompareGuid (&Vendor->Guid, &gEfiPcAnsiGuid)) {
CatPrint (Str, L"VenPcAnsi()");
return ;
} else if (CompareGuid (&Vendor->Guid, &gEfiVT100Guid)) {
CatPrint (Str, L"VenVt100()");
return ;
} else if (CompareGuid (&Vendor->Guid, &gEfiVT100PlusGuid)) {
CatPrint (Str, L"VenVt100Plus()");
return ;
} else if (CompareGuid (&Vendor->Guid, &gEfiVTUTF8Guid)) {
CatPrint (Str, L"VenUft8()");
return ;
} else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingUartFlowControlGuid)) {
FlowControlMap = (((UART_FLOW_CONTROL_DEVICE_PATH *) Vendor)->FlowControlMap);
switch (FlowControlMap & 0x00000003) {
case 0:
CatPrint (Str, L"UartFlowCtrl(%s)", L"None");
break;
case 1:
CatPrint (Str, L"UartFlowCtrl(%s)", L"Hardware");
break;
case 2:
CatPrint (Str, L"UartFlowCtrl(%s)", L"XonXoff");
break;
default:
break;
}
return ;
} else if (CompareGuid (&Vendor->Guid, &mEfiDevicePathMessagingSASGuid)) {
CatPrint (
Str,
L"SAS(%lx,%lx,%x,",
((SAS_DEVICE_PATH *) Vendor)->SasAddress,
((SAS_DEVICE_PATH *) Vendor)->Lun,
((SAS_DEVICE_PATH *) Vendor)->RelativeTargetPort
);
Info = (((SAS_DEVICE_PATH *) Vendor)->DeviceTopology);
if ((Info & 0x0f) == 0) {
CatPrint (Str, L"NoTopology,0,0,0,");
} else if (((Info & 0x0f) == 1) || ((Info & 0x0f) == 2)) {
CatPrint (
Str,
L"%s,%s,%s,",
(Info & (0x1 << 4)) ? L"SATA" : L"SAS",
(Info & (0x1 << 5)) ? L"External" : L"Internal",
(Info & (0x1 << 6)) ? L"Expanded" : L"Direct"
);
if ((Info & 0x0f) == 1) {
CatPrint (Str, L"0,");
} else {
CatPrint (Str, L"%x,", (UINTN) ((Info >> 8) & 0xff));
}
} else {
CatPrint (Str, L"0,0,0,0,");
}
CatPrint (Str, L"%x)", (UINTN) ((SAS_DEVICE_PATH *) Vendor)->Reserved);
return ;
} else if (CompareGuid (&Vendor->Guid, &gEfiDebugPortProtocolGuid)) {
CatPrint (Str, L"DebugPort()");
return ;
}
break;
case MEDIA_DEVICE_PATH:
Type = L"Media";
break;
default:
Type = L"?";
break;
}
CatPrint (Str, L"Ven%s(%g", Type, &Vendor->Guid);
DataLength = DevicePathNodeLength (&Vendor->Header) - sizeof (VENDOR_DEVICE_PATH);
if (DataLength > 0) {
CatPrint (Str, L",");
for (Index = 0; Index < DataLength; Index++) {
CatPrint (Str, L"%02x", (UINTN) ((VENDOR_DEVICE_PATH_WITH_DATA *) Vendor)->VendorDefinedData[Index]);
}
}
CatPrint (Str, L")");
}
VOID
DevPathAcpi (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ACPI_HID_DEVICE_PATH *Acpi;
Acpi = DevPath;
if ((Acpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
CatPrint (Str, L"Acpi(PNP%04x,%x)", (UINTN) EISA_ID_TO_NUM (Acpi->HID), (UINTN) Acpi->UID);
} else {
CatPrint (Str, L"Acpi(%08x,%x)", (UINTN) Acpi->HID, (UINTN) Acpi->UID);
}
}
VOID
DevPathExtendedAcpi (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
//
// Index for HID, UID and CID strings, 0 for non-exist
//
UINT16 HIDSTRIdx;
UINT16 UIDSTRIdx;
UINT16 CIDSTRIdx;
UINT16 Index;
UINT16 Length;
UINT16 Anchor;
CHAR8 *AsChar8Array;
ASSERT (Str != NULL);
ASSERT (DevPath != NULL);
HIDSTRIdx = 0;
UIDSTRIdx = 0;
CIDSTRIdx = 0;
ExtendedAcpi = DevPath;
Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) ExtendedAcpi);
ASSERT (Length >= 19);
AsChar8Array = (CHAR8 *) ExtendedAcpi;
//
// find HIDSTR
//
Anchor = 16;
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
;
}
if (Index > Anchor) {
HIDSTRIdx = Anchor;
}
//
// find UIDSTR
//
Anchor = (UINT16) (Index + 1);
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
;
}
if (Index > Anchor) {
UIDSTRIdx = Anchor;
}
//
// find CIDSTR
//
Anchor = (UINT16) (Index + 1);
for (Index = Anchor; Index < Length && AsChar8Array[Index]; Index++) {
;
}
if (Index > Anchor) {
CIDSTRIdx = Anchor;
}
if (HIDSTRIdx == 0 && CIDSTRIdx == 0 && ExtendedAcpi->UID == 0) {
CatPrint (Str, L"AcpiExp(");
if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
} else {
CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
}
if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
} else {
CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
}
if (UIDSTRIdx != 0) {
CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
} else {
CatPrint (Str, L"\"\")");
}
} else {
CatPrint (Str, L"AcpiEx(");
if ((ExtendedAcpi->HID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->HID));
} else {
CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->HID);
}
if ((ExtendedAcpi->CID & PNP_EISA_ID_MASK) == PNP_EISA_ID_CONST) {
CatPrint (Str, L"PNP%04x,", (UINTN) EISA_ID_TO_NUM (ExtendedAcpi->CID));
} else {
CatPrint (Str, L"%08x,", (UINTN) ExtendedAcpi->CID);
}
CatPrint (Str, L"%x,", (UINTN) ExtendedAcpi->UID);
if (HIDSTRIdx != 0) {
CatPrint (Str, L"%a,", AsChar8Array + HIDSTRIdx);
} else {
CatPrint (Str, L"\"\",");
}
if (CIDSTRIdx != 0) {
CatPrint (Str, L"%a,", AsChar8Array + CIDSTRIdx);
} else {
CatPrint (Str, L"\"\",");
}
if (UIDSTRIdx != 0) {
CatPrint (Str, L"%a)", AsChar8Array + UIDSTRIdx);
} else {
CatPrint (Str, L"\"\")");
}
}
}
VOID
DevPathAdrAcpi (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ACPI_ADR_DEVICE_PATH *AcpiAdr;
UINT16 Index;
UINT16 Length;
UINT16 AdditionalAdrCount;
AcpiAdr = DevPath;
Length = (UINT16) DevicePathNodeLength ((EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr);
AdditionalAdrCount = (UINT16) ((Length - 8) / 4);
CatPrint (Str, L"AcpiAdr(%x", (UINTN) AcpiAdr->ADR);
for (Index = 0; Index < AdditionalAdrCount; Index++) {
CatPrint (Str, L",%x", (UINTN) *(UINT32 *) ((UINT8 *) AcpiAdr + 8 + Index * 4));
}
CatPrint (Str, L")");
}
VOID
DevPathAtapi (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ATAPI_DEVICE_PATH *Atapi;
Atapi = DevPath;
CatPrint (
Str,
L"Ata(%s,%s)",
Atapi->PrimarySecondary ? L"Secondary" : L"Primary",
Atapi->SlaveMaster ? L"Slave" : L"Master"
);
}
VOID
DevPathScsi (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
SCSI_DEVICE_PATH *Scsi;
Scsi = DevPath;
CatPrint (Str, L"Scsi(Pun%x,Lun%x)", (UINTN) Scsi->Pun, (UINTN) Scsi->Lun);
}
VOID
DevPathFibre (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
FIBRECHANNEL_DEVICE_PATH *Fibre;
Fibre = DevPath;
CatPrint (Str, L"Fibre(Wwn%lx,Lun%x)", Fibre->WWN, Fibre->Lun);
}
VOID
DevPath1394 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
F1394_DEVICE_PATH *F1394;
F1394 = DevPath;
CatPrint (Str, L"1394(%g)", &F1394->Guid);
}
VOID
DevPathUsb (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
USB_DEVICE_PATH *Usb;
Usb = DevPath;
CatPrint (Str, L"Usb(%x,%x)", (UINTN) Usb->ParentPortNumber, (UINTN) Usb->InterfaceNumber);
}
VOID
DevPathUsbWWID (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
USB_WWID_DEVICE_PATH *UsbWWId;
UsbWWId = DevPath;
CatPrint (
Str,
L"UsbWwid(%x,%x,%x,\"WWID\")",
(UINTN) UsbWWId->VendorId,
(UINTN) UsbWWId->ProductId,
(UINTN) UsbWWId->InterfaceNumber
);
}
VOID
DevPathLogicalUnit (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
DEVICE_LOGICAL_UNIT_DEVICE_PATH *LogicalUnit;
LogicalUnit = DevPath;
CatPrint (Str, L"Unit(%x)", (UINTN) LogicalUnit->Lun);
}
VOID
DevPathUsbClass (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
USB_CLASS_DEVICE_PATH *UsbClass;
UsbClass = DevPath;
CatPrint (
Str,
L"Usb Class(%x,%x,%x,%x,%x)",
(UINTN) UsbClass->VendorId,
(UINTN) UsbClass->ProductId,
(UINTN) UsbClass->DeviceClass,
(UINTN) UsbClass->DeviceSubClass,
(UINTN) UsbClass->DeviceProtocol
);
}
VOID
DevPathSata (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
SATA_DEVICE_PATH *Sata;
Sata = DevPath;
CatPrint (
Str,
L"Sata(%x,%x,%x)",
(UINTN) Sata->HBAPortNumber,
(UINTN) Sata->PortMultiplierPortNumber,
(UINTN) Sata->Lun
);
}
VOID
DevPathI2O (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
I2O_DEVICE_PATH *I2O;
I2O = DevPath;
CatPrint (Str, L"I2O(%x)", (UINTN) I2O->Tid);
}
VOID
DevPathMacAddr (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MAC_ADDR_DEVICE_PATH *MAC;
UINTN HwAddressSize;
UINTN Index;
MAC = DevPath;
HwAddressSize = sizeof (EFI_MAC_ADDRESS);
if (MAC->IfType == 0x01 || MAC->IfType == 0x00) {
HwAddressSize = 6;
}
CatPrint (Str, L"Mac(");
for (Index = 0; Index < HwAddressSize; Index++) {
CatPrint (Str, L"%02x", (UINTN) MAC->MacAddress.Addr[Index]);
}
CatPrint (Str, L")");
}
VOID
DevPathIPv4 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
IPv4_DEVICE_PATH *IP;
IP = DevPath;
CatPrint (
Str,
L"IPv4(%d.%d.%d.%d:%d)",
(UINTN) IP->RemoteIpAddress.Addr[0],
(UINTN) IP->RemoteIpAddress.Addr[1],
(UINTN) IP->RemoteIpAddress.Addr[2],
(UINTN) IP->RemoteIpAddress.Addr[3],
(UINTN) IP->RemotePort
);
}
VOID
DevPathIPv6 (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
IPv6_DEVICE_PATH *IP;
IP = DevPath;
CatPrint (
Str,
L"IPv6(%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x)",
(UINTN) IP->RemoteIpAddress.Addr[0],
(UINTN) IP->RemoteIpAddress.Addr[1],
(UINTN) IP->RemoteIpAddress.Addr[2],
(UINTN) IP->RemoteIpAddress.Addr[3],
(UINTN) IP->RemoteIpAddress.Addr[4],
(UINTN) IP->RemoteIpAddress.Addr[5],
(UINTN) IP->RemoteIpAddress.Addr[6],
(UINTN) IP->RemoteIpAddress.Addr[7],
(UINTN) IP->RemoteIpAddress.Addr[8],
(UINTN) IP->RemoteIpAddress.Addr[9],
(UINTN) IP->RemoteIpAddress.Addr[10],
(UINTN) IP->RemoteIpAddress.Addr[11],
(UINTN) IP->RemoteIpAddress.Addr[12],
(UINTN) IP->RemoteIpAddress.Addr[13],
(UINTN) IP->RemoteIpAddress.Addr[14],
(UINTN) IP->RemoteIpAddress.Addr[15]
);
}
VOID
DevPathInfiniBand (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
INFINIBAND_DEVICE_PATH *InfiniBand;
InfiniBand = DevPath;
CatPrint (
Str,
L"Infiniband(%x,%g,%lx,%lx,%lx)",
(UINTN) InfiniBand->ResourceFlags,
InfiniBand->PortGid,
InfiniBand->ServiceId,
InfiniBand->TargetPortId,
InfiniBand->DeviceId
);
}
VOID
DevPathUart (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
UART_DEVICE_PATH *Uart;
CHAR8 Parity;
Uart = DevPath;
switch (Uart->Parity) {
case 0:
Parity = 'D';
break;
case 1:
Parity = 'N';
break;
case 2:
Parity = 'E';
break;
case 3:
Parity = 'O';
break;
case 4:
Parity = 'M';
break;
case 5:
Parity = 'S';
break;
default:
Parity = 'x';
break;
}
if (Uart->BaudRate == 0) {
CatPrint (Str, L"Uart(DEFAULT,%c,", Parity);
} else {
CatPrint (Str, L"Uart(%d,%c,", Uart->BaudRate, Parity);
}
if (Uart->DataBits == 0) {
CatPrint (Str, L"D,");
} else {
CatPrint (Str, L"%d,", (UINTN) Uart->DataBits);
}
switch (Uart->StopBits) {
case 0:
CatPrint (Str, L"D)");
break;
case 1:
CatPrint (Str, L"1)");
break;
case 2:
CatPrint (Str, L"1.5)");
break;
case 3:
CatPrint (Str, L"2)");
break;
default:
CatPrint (Str, L"x)");
break;
}
}
VOID
DevPathiSCSI (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
ISCSI_DEVICE_PATH_WITH_NAME *iSCSI;
UINT16 Options;
ASSERT (Str != NULL);
ASSERT (DevPath != NULL);
iSCSI = DevPath;
CatPrint (
Str,
L"iSCSI(%s,%x,%lx,",
iSCSI->iSCSITargetName,
iSCSI->TargetPortalGroupTag,
iSCSI->Lun
);
Options = iSCSI->LoginOption;
CatPrint (Str, L"%s,", ((Options >> 1) & 0x0001) ? L"CRC32C" : L"None");
CatPrint (Str, L"%s,", ((Options >> 3) & 0x0001) ? L"CRC32C" : L"None");
if ((Options >> 11) & 0x0001) {
CatPrint (Str, L"%s,", L"None");
} else if ((Options >> 12) & 0x0001) {
CatPrint (Str, L"%s,", L"CHAP_UNI");
} else {
CatPrint (Str, L"%s,", L"CHAP_BI");
}
CatPrint (Str, L"%s)", (iSCSI->NetworkProtocol == 0) ? L"TCP" : L"reserved");
}
VOID
DevPathHardDrive (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
HARDDRIVE_DEVICE_PATH *Hd;
Hd = DevPath;
switch (Hd->SignatureType) {
case SIGNATURE_TYPE_MBR:
CatPrint (
Str,
L"HD(Part%d,Sig%08x)",
(UINTN) Hd->PartitionNumber,
(UINTN) *((UINT32 *) (&(Hd->Signature[0])))
);
break;
case SIGNATURE_TYPE_GUID:
CatPrint (
Str,
L"HD(Part%d,Sig%g)",
(UINTN) Hd->PartitionNumber,
(EFI_GUID *) &(Hd->Signature[0])
);
break;
default:
CatPrint (
Str,
L"HD(Part%d,MBRType=%02x,SigType=%02x)",
(UINTN) Hd->PartitionNumber,
(UINTN) Hd->MBRType,
(UINTN) Hd->SignatureType
);
break;
}
}
VOID
DevPathCDROM (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
CDROM_DEVICE_PATH *Cd;
Cd = DevPath;
CatPrint (Str, L"CDROM(Entry%x)", (UINTN) Cd->BootEntry);
}
VOID
DevPathFilePath (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
FILEPATH_DEVICE_PATH *Fp;
Fp = DevPath;
CatPrint (Str, L"%s", Fp->PathName);
}
VOID
DevPathMediaProtocol (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MEDIA_PROTOCOL_DEVICE_PATH *MediaProt;
MediaProt = DevPath;
CatPrint (Str, L"Media(%g)", &MediaProt->Protocol);
}
VOID
DevPathFvFilePath (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFilePath;
FvFilePath = DevPath;
CatPrint (Str, L"%g", &FvFilePath->FvFileName);
}
VOID
DevPathBssBss (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
BBS_BBS_DEVICE_PATH *Bbs;
CHAR16 *Type;
Bbs = DevPath;
switch (Bbs->DeviceType) {
case BBS_TYPE_FLOPPY:
Type = L"Floppy";
break;
case BBS_TYPE_HARDDRIVE:
Type = L"Harddrive";
break;
case BBS_TYPE_CDROM:
Type = L"CDROM";
break;
case BBS_TYPE_PCMCIA:
Type = L"PCMCIA";
break;
case BBS_TYPE_USB:
Type = L"Usb";
break;
case BBS_TYPE_EMBEDDED_NETWORK:
Type = L"Net";
break;
case BBS_TYPE_BEV:
Type = L"BEV";
break;
default:
Type = L"?";
break;
}
CatPrint (Str, L"Legacy-%s", Type);
}
VOID
DevPathEndInstance (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
CatPrint (Str, L",");
}
VOID
DevPathNodeUnknown (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath
)
{
CatPrint (Str, L"?");
}
DEVICE_PATH_STRING_TABLE DevPathTable[] = {
HARDWARE_DEVICE_PATH,
HW_PCI_DP,
DevPathPci,
HARDWARE_DEVICE_PATH,
HW_PCCARD_DP,
DevPathPccard,
HARDWARE_DEVICE_PATH,
HW_MEMMAP_DP,
DevPathMemMap,
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
DevPathVendor,
HARDWARE_DEVICE_PATH,
HW_CONTROLLER_DP,
DevPathController,
ACPI_DEVICE_PATH,
ACPI_DP,
DevPathAcpi,
ACPI_DEVICE_PATH,
ACPI_EXTENDED_DP,
DevPathExtendedAcpi,
ACPI_DEVICE_PATH,
ACPI_ADR_DP,
DevPathAdrAcpi,
MESSAGING_DEVICE_PATH,
MSG_ATAPI_DP,
DevPathAtapi,
MESSAGING_DEVICE_PATH,
MSG_SCSI_DP,
DevPathScsi,
MESSAGING_DEVICE_PATH,
MSG_FIBRECHANNEL_DP,
DevPathFibre,
MESSAGING_DEVICE_PATH,
MSG_1394_DP,
DevPath1394,
MESSAGING_DEVICE_PATH,
MSG_USB_DP,
DevPathUsb,
MESSAGING_DEVICE_PATH,
MSG_USB_WWID_DP,
DevPathUsbWWID,
MESSAGING_DEVICE_PATH,
MSG_DEVICE_LOGICAL_UNIT_DP,
DevPathLogicalUnit,
MESSAGING_DEVICE_PATH,
MSG_USB_CLASS_DP,
DevPathUsbClass,
MESSAGING_DEVICE_PATH,
MSG_SATA_DP,
DevPathSata,
MESSAGING_DEVICE_PATH,
MSG_I2O_DP,
DevPathI2O,
MESSAGING_DEVICE_PATH,
MSG_MAC_ADDR_DP,
DevPathMacAddr,
MESSAGING_DEVICE_PATH,
MSG_IPv4_DP,
DevPathIPv4,
MESSAGING_DEVICE_PATH,
MSG_IPv6_DP,
DevPathIPv6,
MESSAGING_DEVICE_PATH,
MSG_INFINIBAND_DP,
DevPathInfiniBand,
MESSAGING_DEVICE_PATH,
MSG_UART_DP,
DevPathUart,
MESSAGING_DEVICE_PATH,
MSG_VENDOR_DP,
DevPathVendor,
MESSAGING_DEVICE_PATH,
MSG_ISCSI_DP,
DevPathiSCSI,
MEDIA_DEVICE_PATH,
MEDIA_HARDDRIVE_DP,
DevPathHardDrive,
MEDIA_DEVICE_PATH,
MEDIA_CDROM_DP,
DevPathCDROM,
MEDIA_DEVICE_PATH,
MEDIA_VENDOR_DP,
DevPathVendor,
MEDIA_DEVICE_PATH,
MEDIA_FILEPATH_DP,
DevPathFilePath,
MEDIA_DEVICE_PATH,
MEDIA_PROTOCOL_DP,
DevPathMediaProtocol,
MEDIA_DEVICE_PATH,
MEDIA_PIWG_FW_FILE_DP,
DevPathFvFilePath,
BBS_DEVICE_PATH,
BBS_BBS_DP,
DevPathBssBss,
END_DEVICE_PATH_TYPE,
END_INSTANCE_DEVICE_PATH_SUBTYPE,
DevPathEndInstance,
0,
0,
NULL
};
/**
This function converts an input device structure to a Unicode string.
@param DevPath A pointer to the device path structure.
@return A new allocated Unicode string that represents the device path.
**/
CHAR16 *
EFIAPI
DevicePathToStr (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
POOL_PRINT Str;
EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
VOID (*DumpNode) (POOL_PRINT *, VOID *);
UINTN Index;
UINTN NewSize;
EFI_STATUS Status;
CHAR16 *ToText;
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText;
ZeroMem (&Str, sizeof (Str));
if (DevPath == NULL) {
goto Done;
}
Status = gBS->LocateProtocol (
&gEfiDevicePathToTextProtocolGuid,
NULL,
(VOID **) &DevPathToText
);
if (!EFI_ERROR (Status)) {
ToText = DevPathToText->ConvertDevicePathToText (
DevPath,
FALSE,
TRUE
);
ASSERT (ToText != NULL);
return ToText;
}
//
// Unpacked the device path
//
DevPath = BdsLibUnpackDevicePath (DevPath);
ASSERT (DevPath);
//
// Process each device path node
//
DevPathNode = DevPath;
while (!IsDevicePathEnd (DevPathNode)) {
//
// Find the handler to dump this device path node
//
DumpNode = NULL;
for (Index = 0; DevPathTable[Index].Function; Index += 1) {
if (DevicePathType (DevPathNode) == DevPathTable[Index].Type &&
DevicePathSubType (DevPathNode) == DevPathTable[Index].SubType
) {
DumpNode = DevPathTable[Index].Function;
break;
}
}
//
// If not found, use a generic function
//
if (!DumpNode) {
DumpNode = DevPathNodeUnknown;
}
//
// Put a path seperator in if needed
//
if (Str.len && DumpNode != DevPathEndInstance) {
CatPrint (&Str, L"/");
}
//
// Print this node of the device path
//
DumpNode (&Str, DevPathNode);
//
// Next device path node
//
DevPathNode = NextDevicePathNode (DevPathNode);
}
//
// Shrink pool used for string allocation
//
gBS->FreePool (DevPath);
Done:
NewSize = (Str.len + 1) * sizeof (CHAR16);
Str.str = ReallocatePool (Str.str, NewSize, NewSize);
ASSERT (Str.str != NULL);
Str.str[Str.len] = 0;
return Str.str;
}
/**
Function creates a device path data structure that identically matches the
device path passed in.
@param DevPath A pointer to a device path data structure.
@return The new copy of DevPath is created to identically match the input.
@return Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
LibDuplicateDevicePathInstance (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
EFI_DEVICE_PATH_PROTOCOL *NewDevPath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
EFI_DEVICE_PATH_PROTOCOL *Temp;
UINTN Size;
//
// get the size of an instance from the input
//
Temp = DevPath;
DevicePathInst = GetNextDevicePathInstance (&Temp, &Size);
//
// Make a copy
//
NewDevPath = NULL;
if (Size) {
NewDevPath = AllocateZeroPool (Size);
ASSERT (NewDevPath != NULL);
}
if (NewDevPath) {
CopyMem (NewDevPath, DevicePathInst, Size);
}
return NewDevPath;
}
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