mirror of https://github.com/acidanthera/audk.git
315 lines
8.7 KiB
C
315 lines
8.7 KiB
C
/** @file
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Miscellaneous definitions for iSCSI driver.
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Copyright (c) 2004 - 2015, 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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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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#ifndef _ISCSI_MISC_H_
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#define _ISCSI_MISC_H_
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#include <Library/BaseLib.h>
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typedef struct _ISCSI_SESSION_CONFIG_DATA ISCSI_SESSION_CONFIG_DATA;
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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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#pragma pack(1)
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typedef struct {
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BOOLEAN Enabled;
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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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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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UINT8 IsId[6];
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} ISCSI_SESSION_CONFIG_NVDATA;
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#pragma pack()
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struct _ISCSI_SESSION_CONFIG_DATA {
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ISCSI_SESSION_CONFIG_NVDATA NvData;
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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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Calculate the prefix length of the IPv4 subnet mask.
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@param[in] SubnetMask The IPv4 subnet mask.
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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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Convert the hexadecimal encoded LUN string into the 64-bit LUN.
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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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@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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Convert the 64-bit LUN into the hexadecimal encoded LUN string.
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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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Convert the ASCII string into a UNICODE string.
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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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@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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Convert the UNICODE string into an ASCII string.
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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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@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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Convert the mac address into a hexadecimal encoded "-" seperated string.
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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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Convert the decimal dotted IPv4 address into the binary IPv4 address.
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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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@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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Convert the binary encoded buffer into a hexadecimal encoded string.
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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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@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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Convert the hexadecimal string into a binary encoded buffer.
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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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@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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Generate random numbers.
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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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Create the iSCSI driver data..
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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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@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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Clean the iSCSI driver data.
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@param[in] Private The iSCSI driver data.
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**/
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VOID
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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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Check wheather the Controller is configured to use DHCP protocol.
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@param[in] Controller The handle of the controller.
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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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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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Get the various configuration data of this iSCSI instance.
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@param[in] Private The iSCSI driver data.
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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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Get the device path of the iSCSI tcp connection and update it.
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@param[in] Private The iSCSI driver data.
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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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Abort the session when the transition from BS to RT is initiated.
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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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Tests whether a controller handle is being managed by IScsi driver.
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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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@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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@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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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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#endif
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