/*++

Copyright (c)  2007 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.

Module Name:

  IScsiMisc.h

Abstract:

  Miscellaneous definitions for iSCSI driver.

--*/

#ifndef _ISCSI_MISC_H_
#define _ISCSI_MISC_H_

#pragma pack(1)
typedef struct _ISCSI_SESSION_CONFIG_NVDATA {
  BOOLEAN           Enabled;

  BOOLEAN           InitiatorInfoFromDhcp;
  EFI_IPv4_ADDRESS  LocalIp;
  EFI_IPv4_ADDRESS  SubnetMask;
  EFI_IPv4_ADDRESS  Gateway;

  BOOLEAN           TargetInfoFromDhcp;
  CHAR8             TargetName[ISCSI_NAME_MAX_SIZE];
  EFI_IPv4_ADDRESS  TargetIp;
  UINT16            TargetPort;
  UINT8             BootLun[8];
} ISCSI_SESSION_CONFIG_NVDATA;
#pragma pack()

typedef struct _ISCSI_SESSION_CONFIG_DATA {
  ISCSI_SESSION_CONFIG_NVDATA NvData;

  EFI_IPv4_ADDRESS            PrimaryDns;
  EFI_IPv4_ADDRESS            SecondaryDns;
  EFI_IPv4_ADDRESS            DhcpServer;
} ISCSI_SESSION_CONFIG_DATA;

UINT8
IScsiGetSubnetMaskPrefixLength (
  IN EFI_IPv4_ADDRESS  *SubnetMask
  );

EFI_STATUS
IScsiAsciiStrToLun (
  IN  CHAR8  *Str,
  OUT UINT8  *Lun
  );

VOID
IScsiLunToUnicodeStr (
  IN UINT8    *Lun,
  OUT CHAR16  *String
  );

CHAR16                    *
IScsiAsciiStrToUnicodeStr (
  IN  CHAR8   *Source,
  OUT CHAR16  *Destination
  );

CHAR8                     *
IScsiUnicodeStrToAsciiStr (
  IN  CHAR16  *Source,
  OUT CHAR8   *Destination
  );

VOID
IScsiMacAddrToStr (
  IN  EFI_MAC_ADDRESS  *Mac,
  IN  UINT32           Len,
  OUT CHAR16           *Str
  );

EFI_STATUS
IScsiAsciiStrToIp (
  IN  CHAR8             *Str,
  OUT EFI_IPv4_ADDRESS  *Ip
  );

EFI_STATUS
IScsiBinToHex (
  IN     UINT8  *BinBuffer,
  IN     UINT32 BinLength,
  IN OUT CHAR8  *HexStr,
  IN OUT UINT32 *HexLength
  );

EFI_STATUS
IScsiHexToBin (
  IN OUT UINT8  *BinBuffer,
  IN OUT UINT32 *BinLength,
  IN     CHAR8  *HexStr
  );

VOID
IScsiGenRandom (
  IN OUT UINT8  *Rand,
  IN     UINTN  RandLength
  );

ISCSI_DRIVER_DATA         *
IScsiCreateDriverData (
  IN EFI_HANDLE  Image,
  IN EFI_HANDLE  Controller
  );

VOID
IScsiCleanDriverData (
  IN ISCSI_DRIVER_DATA  *Private
  );

EFI_STATUS
IScsiGetConfigData (
  IN ISCSI_DRIVER_DATA  *Private
  );

EFI_DEVICE_PATH_PROTOCOL  *
IScsiGetTcpConnDevicePath (
  IN ISCSI_DRIVER_DATA  *Private
  );

VOID
EFIAPI
IScsiOnExitBootService (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  );

extern CHAR16 NibbleToHexChar(UINT8 Nibble);

#endif