mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
131 lines
4.8 KiB
C
131 lines
4.8 KiB
C
/** @file
|
|
Implementation for EFI iSCSI Initiator Name Protocol.
|
|
|
|
Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include "IScsiImpl.h"
|
|
|
|
EFI_ISCSI_INITIATOR_NAME_PROTOCOL gIScsiInitiatorName = {
|
|
IScsiGetInitiatorName,
|
|
IScsiSetInitiatorName
|
|
};
|
|
|
|
|
|
/**
|
|
Retrieves the current set value of iSCSI Initiator Name.
|
|
|
|
@param[in] This Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL
|
|
instance.
|
|
@param[in, out] BufferSize Size of the buffer in bytes pointed to by Buffer /
|
|
Actual size of the variable data buffer.
|
|
@param[out] Buffer Pointer to the buffer for data to be read.
|
|
The data is a null-terminated UTF-8 encoded string.
|
|
The maximum length is 223 characters, including the null-terminator.
|
|
|
|
@retval EFI_SUCCESS Data was successfully retrieved into the provided
|
|
buffer and the BufferSize was sufficient to handle
|
|
the iSCSI initiator name.
|
|
@retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the result. BufferSize
|
|
will be updated with the size required to complete
|
|
the request. Buffer will not be affected.
|
|
@retval EFI_INVALID_PARAMETER BufferSize is NULL. BufferSize and Buffer will not
|
|
be affected.
|
|
@retval EFI_INVALID_PARAMETER Buffer is NULL. BufferSize and Buffer will not be
|
|
affected.
|
|
@retval EFI_DEVICE_ERROR The iSCSI initiator name could not be retrieved
|
|
due to a hardware error.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IScsiGetInitiatorName (
|
|
IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
|
|
IN OUT UINTN *BufferSize,
|
|
OUT VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
if ((BufferSize == NULL) || (Buffer == NULL)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
Status = gRT->GetVariable (
|
|
ISCSI_INITIATOR_NAME_VAR_NAME,
|
|
&gEfiIScsiInitiatorNameProtocolGuid,
|
|
NULL,
|
|
BufferSize,
|
|
Buffer
|
|
);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Sets the iSSI Initiator Name.
|
|
|
|
@param[in] This Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL
|
|
instance.
|
|
@param[in, out] BufferSize Size of the buffer in bytes pointed to by Buffer.
|
|
@param[in] Buffer Pointer to the buffer for data to be written.
|
|
The data is a null-terminated UTF-8 encoded string.
|
|
The maximum length is 223 characters, including the null-terminator.
|
|
|
|
@retval EFI_SUCCESS Data was successfully stored by the protocol.
|
|
@retval EFI_UNSUPPORTED Platform policies do not allow for data to be
|
|
written.
|
|
@retval EFI_INVALID_PARAMETER BufferSize exceeds the maximum allowed limit.
|
|
BufferSize will be updated with the maximum size
|
|
required to complete the request.
|
|
@retval EFI_INVALID_PARAMETER Buffersize is NULL. BufferSize and Buffer will not
|
|
be affected.
|
|
@retval EFI_INVALID_PARAMETER Buffer is NULL. BufferSize and Buffer will not be
|
|
affected.
|
|
@retval EFI_DEVICE_ERROR The data could not be stored due to a hardware
|
|
error.
|
|
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the data
|
|
@retval EFI_PROTOCOL_ERROR Input iSCSI initiator name does not adhere to RFC
|
|
3720
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IScsiSetInitiatorName (
|
|
IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
|
|
IN OUT UINTN *BufferSize,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
if ((BufferSize == NULL) || (Buffer == NULL)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (*BufferSize > ISCSI_NAME_MAX_SIZE) {
|
|
*BufferSize = ISCSI_NAME_MAX_SIZE;
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
//
|
|
// Only support iqn iSCSI names.
|
|
//
|
|
Status = IScsiNormalizeName ((CHAR8 *) Buffer, *BufferSize - 1);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = gRT->SetVariable (
|
|
ISCSI_INITIATOR_NAME_VAR_NAME,
|
|
&gEfiIScsiInitiatorNameProtocolGuid,
|
|
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
|
|
*BufferSize,
|
|
Buffer
|
|
);
|
|
|
|
return Status;
|
|
}
|