Add error handling logic in DriverBingingStop function, it may return error status when invoking the UninstallProtocolInterface. Cc: Fu Siyuan <siyuan.fu@intel.com> Cc: Ye Ting <ting.ye@intel.com> Cc: Wu Jiaxin <jiaxin.wu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Zhang Lubo <lubo.zhang@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
		
			
				
	
	
		
			318 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			318 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Miscellaneous definitions for iSCSI driver.
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| 
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| Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #ifndef _ISCSI_MISC_H_
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| #define _ISCSI_MISC_H_
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| 
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| #include <Library/BaseLib.h>
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| 
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| typedef struct _ISCSI_SESSION_CONFIG_DATA ISCSI_SESSION_CONFIG_DATA;
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| 
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| ///
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| /// IPv4 Device Path Node Length
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| ///
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| #define IP4_NODE_LEN_NEW_VERSIONS    27
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| 
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| #pragma pack(1)
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| typedef struct {
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|   BOOLEAN           Enabled;
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| 
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|   BOOLEAN           InitiatorInfoFromDhcp;
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|   EFI_IPv4_ADDRESS  LocalIp;
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|   EFI_IPv4_ADDRESS  SubnetMask;
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|   EFI_IPv4_ADDRESS  Gateway;
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| 
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|   BOOLEAN           TargetInfoFromDhcp;
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|   CHAR8             TargetName[ISCSI_NAME_MAX_SIZE];
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|   EFI_IPv4_ADDRESS  TargetIp;
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|   UINT16            TargetPort;
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|   UINT8             BootLun[8];
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| 
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|   UINT8             IsId[6];
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| } ISCSI_SESSION_CONFIG_NVDATA;
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| #pragma pack()
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| 
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| struct _ISCSI_SESSION_CONFIG_DATA {
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|   ISCSI_SESSION_CONFIG_NVDATA NvData;
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| 
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|   EFI_IPv4_ADDRESS            PrimaryDns;
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|   EFI_IPv4_ADDRESS            SecondaryDns;
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|   EFI_IPv4_ADDRESS            DhcpServer;
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| };
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| 
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| /**
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|   Calculate the prefix length of the IPv4 subnet mask.
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| 
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|   @param[in]  SubnetMask The IPv4 subnet mask.
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| 
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|   @return The prefix length of the subnet mask.
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|   @retval 0 Other errors as indicated.
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| **/
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| UINT8
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| IScsiGetSubnetMaskPrefixLength (
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|   IN EFI_IPv4_ADDRESS  *SubnetMask
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|   );
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| 
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| /**
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|   Convert the hexadecimal encoded LUN string into the 64-bit LUN. 
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| 
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|   @param[in]   Str             The hexadecimal encoded LUN string.
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|   @param[out]  Lun             Storage to return the 64-bit LUN.
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| 
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|   @retval EFI_SUCCESS           The 64-bit LUN is stored in Lun.
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|   @retval EFI_INVALID_PARAMETER The string is malformatted.
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| **/
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| EFI_STATUS
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| IScsiAsciiStrToLun (
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|   IN  CHAR8  *Str,
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|   OUT UINT8  *Lun
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|   );
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| 
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| /**
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|   Convert the 64-bit LUN into the hexadecimal encoded LUN string.
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| 
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|   @param[in]   Lun The 64-bit LUN.
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|   @param[out]  Str The storage to return the hexadecimal encoded LUN string.
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| **/
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| VOID
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| IScsiLunToUnicodeStr (
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|   IN UINT8    *Lun,
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|   OUT CHAR16  *Str
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|   );
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| 
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| /**
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|   Convert the ASCII string into a UNICODE string.
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| 
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|   @param[in]   Source      The ASCII string.
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|   @param[out]  Destination The storage to return the UNICODE string.
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| 
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|   @return CHAR16 *         Pointer to the UNICODE string.
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| **/
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| CHAR16 *
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| IScsiAsciiStrToUnicodeStr (
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|   IN  CHAR8   *Source,
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|   OUT CHAR16  *Destination
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|   );
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| 
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| /**
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|   Convert the UNICODE string into an ASCII string.
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| 
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|   @param[in]  Source       The UNICODE string.
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|   @param[out] Destination  The storage to return the ASCII string.
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| 
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|   @return CHAR8 *          Pointer to the ASCII string.
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| **/
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| CHAR8 *
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| IScsiUnicodeStrToAsciiStr (
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|   IN  CHAR16  *Source,
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|   OUT CHAR8   *Destination
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|   );
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| 
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| /**
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|   Convert the mac address into a hexadecimal encoded "-" seperated string.
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| 
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|   @param[in]  Mac     The mac address.
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|   @param[in]  Len     Length in bytes of the mac address.
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|   @param[in]  VlanId  VLAN ID of the network device.
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|   @param[out] Str     The storage to return the mac string.
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| **/
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| VOID
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| IScsiMacAddrToStr (
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|   IN  EFI_MAC_ADDRESS  *Mac,
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|   IN  UINT32           Len,
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|   IN  UINT16           VlanId,
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|   OUT CHAR16           *Str
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|   );
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| 
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| /**
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|   Convert the decimal dotted IPv4 address into the binary IPv4 address.
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| 
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|   @param[in]   Str             The UNICODE string.
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|   @param[out]  Ip              The storage to return the ASCII string.
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| 
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|   @retval EFI_SUCCESS           The binary IP address is returned in Ip.
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|   @retval EFI_INVALID_PARAMETER The IP string is malformatted.
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| **/
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| EFI_STATUS
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| IScsiAsciiStrToIp (
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|   IN  CHAR8             *Str,
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|   OUT EFI_IPv4_ADDRESS  *Ip
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|   );
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| 
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| /**
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|   Convert the binary encoded buffer into a hexadecimal encoded string.
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| 
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|   @param[in]       BinBuffer   The buffer containing the binary data.
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|   @param[in]       BinLength   Length of the binary buffer.
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|   @param[in, out]  HexStr      Pointer to the string.
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|   @param[in, out]  HexLength   The length of the string.
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| 
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|   @retval EFI_SUCCESS          The binary data is converted to the hexadecimal string 
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|                                and the length of the string is updated.
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|   @retval EFI_BUFFER_TOO_SMALL The string is too small.
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|   @retval EFI_INVALID_PARAMETER The IP string is malformatted.
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| **/
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| EFI_STATUS
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| IScsiBinToHex (
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|   IN     UINT8  *BinBuffer,
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|   IN     UINT32 BinLength,
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|   IN OUT CHAR8  *HexStr,
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|   IN OUT UINT32 *HexLength
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|   );
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| 
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| /**
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|   Convert the hexadecimal string into a binary encoded buffer.
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| 
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|   @param[in, out]  BinBuffer   The binary buffer.
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|   @param[in, out]  BinLength   Length of the binary buffer.
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|   @param[in]       HexStr      The hexadecimal string.
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| 
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|   @retval EFI_SUCCESS          The hexadecimal string is converted into a binary
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|                                encoded buffer.
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|   @retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.
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| **/
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| EFI_STATUS
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| IScsiHexToBin (
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|   IN OUT UINT8  *BinBuffer,
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|   IN OUT UINT32 *BinLength,
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|   IN     CHAR8  *HexStr
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|   );
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| 
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| /**
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|   Generate random numbers.
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| 
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|   @param[in, out]  Rand       The buffer to contain random numbers.
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|   @param[in]       RandLength The length of the Rand buffer.
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| **/
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| VOID
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| IScsiGenRandom (
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|   IN OUT UINT8  *Rand,
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|   IN     UINTN  RandLength
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|   );
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| 
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| /**
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|   Create the iSCSI driver data..
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| 
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|   @param[in] Image      The handle of the driver image.
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|   @param[in] Controller The handle of the controller.
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| 
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|   @return The iSCSI driver data created.
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|   @retval NULL Other errors as indicated.
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| **/
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| ISCSI_DRIVER_DATA *
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| IScsiCreateDriverData (
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|   IN EFI_HANDLE  Image,
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|   IN EFI_HANDLE  Controller
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|   );
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| 
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| /**
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|   Clean the iSCSI driver data.
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| 
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|   @param[in]               Private The iSCSI driver data.
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| 
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|   @retval EFI_SUCCES       The clean operation is successful.
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|   @retval Others           Other errors as indicated.
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| **/
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| EFI_STATUS
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| IScsiCleanDriverData (
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|   IN ISCSI_DRIVER_DATA  *Private
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|   );
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| 
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| /**
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|   Check wheather the Controller is configured to use DHCP protocol.
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| 
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|   @param[in]  Controller           The handle of the controller.
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|   
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|   @retval TRUE                     The handle of the controller need the Dhcp protocol.
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|   @retval FALSE                    The handle of the controller does not need the Dhcp protocol.
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|   
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| **/
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| BOOLEAN
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| IScsiDhcpIsConfigured (
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|   IN EFI_HANDLE  Controller
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|   );
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| 
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| /**
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|   Get the various configuration data of this iSCSI instance.
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| 
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|   @param[in]  Private   The iSCSI driver data.
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| 
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|   @retval EFI_SUCCESS   The configuration of this instance is got.
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|   @retval EFI_ABORTED   The operation was aborted.
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|   @retval Others        Other errors as indicated.
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| **/
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| EFI_STATUS
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| IScsiGetConfigData (
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|   IN ISCSI_DRIVER_DATA  *Private
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|   );
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| 
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| /**
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|   Get the device path of the iSCSI tcp connection and update it.
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| 
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|   @param[in]  Private The iSCSI driver data.
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| 
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|   @return The updated device path.
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|   @retval NULL Other errors as indicated.
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| **/
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| EFI_DEVICE_PATH_PROTOCOL *
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| IScsiGetTcpConnDevicePath (
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|   IN ISCSI_DRIVER_DATA  *Private
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|   );
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| 
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| /**
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|   Abort the session when the transition from BS to RT is initiated.
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| 
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|   @param[in]   Event  The event signaled.
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|   @param[in]  Context The iSCSI driver data.
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| **/
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| VOID
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| EFIAPI
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| IScsiOnExitBootService (
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|   IN EFI_EVENT  Event,
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|   IN VOID       *Context
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|   );
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| 
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| /**
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|   Tests whether a controller handle is being managed by IScsi driver.
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| 
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|   This function tests whether the driver specified by DriverBindingHandle is
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|   currently managing the controller specified by ControllerHandle.  This test
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|   is performed by evaluating if the the protocol specified by ProtocolGuid is
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|   present on ControllerHandle and is was opened by DriverBindingHandle and Nic
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|   Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. 
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|   If ProtocolGuid is NULL, then ASSERT().
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| 
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|   @param  ControllerHandle     A handle for a controller to test.
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|   @param  DriverBindingHandle  Specifies the driver binding handle for the
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|                                driver.
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|   @param  ProtocolGuid         Specifies the protocol that the driver specified
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|                                by DriverBindingHandle opens in its Start()
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|                                function.
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| 
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|   @retval EFI_SUCCESS          ControllerHandle is managed by the driver
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|                                specified by DriverBindingHandle.
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|   @retval EFI_UNSUPPORTED      ControllerHandle is not managed by the driver
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|                                specified by DriverBindingHandle.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IScsiTestManagedDevice (
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|   IN  EFI_HANDLE       ControllerHandle,
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|   IN  EFI_HANDLE       DriverBindingHandle,
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|   IN  EFI_GUID         *ProtocolGuid
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|   );
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| 
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| #endif
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