audk/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h

308 lines
6.8 KiB
C

/** @file
Miscellaneous definitions for IScsi driver.
Copyright (c) 2004 - 2008, Intel Corporation
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.
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()
struct _ISCSI_SESSION_CONFIG_DATA {
ISCSI_SESSION_CONFIG_NVDATA NvData;
EFI_IPv4_ADDRESS PrimaryDns;
EFI_IPv4_ADDRESS SecondaryDns;
EFI_IPv4_ADDRESS DhcpServer;
};
/**
Calculate the prefix length of the IPv4 subnet mask.
@param SubnetMask[in] The IPv4 subnet mask.
@retval UINT8 The prefix length of the subnet mask.
**/
UINT8
IScsiGetSubnetMaskPrefixLength (
IN EFI_IPv4_ADDRESS *SubnetMask
);
/**
Convert the hexadecimal encoded LUN string into the 64-bit LUN.
@param Str[in] The hexadecimal encoded LUN string.
@param Lun[out] Storage to return the 64-bit LUN.
@retval EFI_SUCCESS The 64-bit LUN is stored in Lun.
@retval EFI_INVALID_PARAMETER The string is malformatted.
**/
EFI_STATUS
IScsiAsciiStrToLun (
IN CHAR8 *Str,
OUT UINT8 *Lun
);
/**
Convert the 64-bit LUN into the hexadecimal encoded LUN string.
@param Lun[in] The 64-bit LUN.
@param Str[out] The storage to return the hexadecimal encoded LUN string.
@retval None.
**/
VOID
IScsiLunToUnicodeStr (
IN UINT8 *Lun,
OUT CHAR16 *String
);
/**
Convert the ASCII string into a UNICODE string.
@param Source[out] The ASCII string.
@param Destination[out] The storage to return the UNICODE string.
@retval CHAR16 * Pointer to the UNICODE string.
**/
CHAR16 *
IScsiAsciiStrToUnicodeStr (
IN CHAR8 *Source,
OUT CHAR16 *Destination
);
/**
Convert the UNICODE string into an ASCII string.
@param Source[in] The UNICODE string.
@param Destination[out] The storage to return the ASCII string.
@retval CHAR8 * Pointer to the ASCII string.
**/
CHAR8 *
IScsiUnicodeStrToAsciiStr (
IN CHAR16 *Source,
OUT CHAR8 *Destination
);
/**
Convert the mac address into a hexadecimal encoded "-" seperated string.
@param Mac[in] The mac address.
@param Len[in] Length in bytes of the mac address.
@param Str[out] The storage to return the mac string.
@retval None.
**/
VOID
IScsiMacAddrToStr (
IN EFI_MAC_ADDRESS *Mac,
IN UINT32 Len,
OUT CHAR16 *Str
);
/**
Convert the decimal dotted IPv4 address into the binary IPv4 address.
@param Str[in] The UNICODE string.
@param Ip[out] The storage to return the ASCII string.
@retval EFI_SUCCESS The binary IP address is returned in Ip.
@retval EFI_INVALID_PARAMETER The IP string is malformatted.
**/
EFI_STATUS
IScsiAsciiStrToIp (
IN CHAR8 *Str,
OUT EFI_IPv4_ADDRESS *Ip
);
/**
Convert the binary encoded buffer into a hexadecimal encoded string.
@param BinBuffer[in] The buffer containing the binary data.
@param BinLength[in] Length of the binary buffer.
@param HexStr[in][out] Pointer to the string.
@param HexLength[in][out] The length of the string.
@retval EFI_SUCCESS The binary data is converted to the hexadecimal string
and the length of the string is updated.
@retval EFI_BUFFER_TOO_SMALL The string is too small.
**/
EFI_STATUS
IScsiBinToHex (
IN UINT8 *BinBuffer,
IN UINT32 BinLength,
IN OUT CHAR8 *HexStr,
IN OUT UINT32 *HexLength
);
/**
Convert the hexadecimal string into a binary encoded buffer.
@param BinBuffer[in][out] The binary buffer.
@param BinLength[in][out] Length of the binary buffer.
@param HexStr[in] The hexadecimal string.
@retval EFI_SUCCESS The hexadecimal string is converted into a binary
encoded buffer.
@retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.s
**/
EFI_STATUS
IScsiHexToBin (
IN OUT UINT8 *BinBuffer,
IN OUT UINT32 *BinLength,
IN CHAR8 *HexStr
);
/**
Generate random numbers.
@param Rand[in][out] The buffer to contain random numbers.
@param RandLength[in] The length of the Rand buffer.
@retval None.
**/
VOID
IScsiGenRandom (
IN OUT UINT8 *Rand,
IN UINTN RandLength
);
/**
Create the iSCSI driver data..
@param Image[in] The handle of the driver image.
@param Controller[in] The handle of the controller.
@retval The iSCSI driver data created.
**/
ISCSI_DRIVER_DATA *
IScsiCreateDriverData (
IN EFI_HANDLE Image,
IN EFI_HANDLE Controller
);
/**
Clean the iSCSI driver data.
@param Private[in] The iSCSI driver data.
@retval None.
**/
VOID
IScsiCleanDriverData (
IN ISCSI_DRIVER_DATA *Private
);
/**
Get the various configuration data of this iSCSI instance.
@param Private[in] The iSCSI driver data.
@retval EFI_SUCCESS The configuration of this instance is got.
@retval EFI_NOT_FOUND This iSCSI instance is not configured yet.
**/
EFI_STATUS
IScsiGetConfigData (
IN ISCSI_DRIVER_DATA *Private
);
/**
Get the device path of the iSCSI tcp connection and update it.
@param Private[in] The iSCSI driver data.
@retval The updated device path.
**/
EFI_DEVICE_PATH_PROTOCOL *
IScsiGetTcpConnDevicePath (
IN ISCSI_DRIVER_DATA *Private
);
/**
Abort the session when the transition from BS to RT is initiated.
@param Event[in] The event signaled.
@param Context[in] The iSCSI driver data.
@retval None.
**/
VOID
EFIAPI
IScsiOnExitBootService (
IN EFI_EVENT Event,
IN VOID *Context
);
extern CHAR16 NibbleToHexChar(UINT8 Nibble);
#endif