MdePkg/Include/Protocol/IScsiInitiatorName.h

/** @file
  EFI_ISCSI_INITIATOR_NAME_PROTOCOL as defined in UEFI 2.0.
  It provides the ability to get and set the iSCSI Initiator Name.                                                  

  Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
  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.             

**/

#ifndef __ISCSI_INITIATOR_NAME_H__
#define __ISCSI_INITIATOR_NAME_H__

#define EFI_ISCSI_INITIATOR_NAME_PROTOCOL_GUID \
{ \
  0x59324945, 0xec44, 0x4c0d, {0xb1, 0xcd, 0x9d, 0xb1, 0x39, 0xdf, 0x7, 0xc } \
}

typedef struct _EFI_ISCSI_INITIATOR_NAME_PROTOCOL EFI_ISCSI_INITIATOR_NAME_PROTOCOL;

/**
  Retrieves the current set value of iSCSI Initiator Name.

  @param  This       Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
  @param  BufferSize Size of the buffer in bytes pointed to by Buffer / Actual size of the
                     variable data buffer.
  @param  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.
  @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL.
  @retval EFI_DEVICE_ERROR      The iSCSI initiator name could not be retrieved due to a hardware error.

**/
typedef 
EFI_STATUS
(EFIAPI *EFI_ISCSI_INITIATOR_NAME_GET)(
  IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
  IN OUT UINTN                         *BufferSize,
  OUT VOID                             *Buffer
  );

  

/**
  Sets the iSCSI Initiator Name.

  @param  This       Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
  @param  BufferSize Size of the buffer in bytes pointed to by Buffer.
  @param  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 or Buffer is NULL, or BufferSize exceeds the maximum allowed limit.
  @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
                                (and other related protocols)

**/
typedef EFI_STATUS
(EFIAPI *EFI_ISCSI_INITIATOR_NAME_SET)(
  IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
  IN OUT UINTN                         *BufferSize,
  IN VOID                              *Buffer
  );  

///
/// iSCSI Initiator Name Protocol for setting and obtaining the iSCSI Initiator Name. 
///
struct _EFI_ISCSI_INITIATOR_NAME_PROTOCOL {
  EFI_ISCSI_INITIATOR_NAME_GET         Get;
  EFI_ISCSI_INITIATOR_NAME_SET         Set;
};

extern EFI_GUID gEfiIScsiInitiatorNameProtocolGuid;

#endif