[mirror_edk2.git] / NetworkPkg / IScsiDxe / IScsiMisc.h

/** @file\r
  Miscellaneous definitions for iSCSI driver.\r
\r
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _ISCSI_MISC_H_\r
#define _ISCSI_MISC_H_\r
\r
typedef struct _ISCSI_DRIVER_DATA ISCSI_DRIVER_DATA;\r
\r
#pragma pack(1)\r
typedef struct _ISCSI_SESSION_CONFIG_NVDATA {\r
  UINT16            TargetPort;\r
  UINT8             Enabled;\r
  UINT8             IpMode;\r
\r
  EFI_IP_ADDRESS    LocalIp;\r
  EFI_IPv4_ADDRESS  SubnetMask;\r
  EFI_IP_ADDRESS    Gateway;\r
\r
  BOOLEAN           InitiatorInfoFromDhcp;\r
  BOOLEAN           TargetInfoFromDhcp;\r
  CHAR8             TargetName[ISCSI_NAME_MAX_SIZE];\r
  EFI_IP_ADDRESS    TargetIp;\r
  UINT8             PrefixLength;\r
  UINT8             BootLun[8];\r
\r
  UINT16            ConnectTimeout; ///< timout value in milliseconds\r
  UINT8             ConnectRetryCount;\r
  UINT8             IsId[6];\r
} ISCSI_SESSION_CONFIG_NVDATA;\r
#pragma pack()\r
\r
/**\r
  Calculate the prefix length of the IPv4 subnet mask.\r
\r
  @param[in]  SubnetMask The IPv4 subnet mask.\r
\r
  @return The prefix length of the subnet mask.\r
  @retval 0 Other errors as indicated.\r
\r
**/\r
UINT8\r
IScsiGetSubnetMaskPrefixLength (\r
  IN EFI_IPv4_ADDRESS  *SubnetMask\r
  );\r
\r
/**\r
  Convert the hexadecimal encoded LUN string into the 64-bit LUN. \r
\r
  @param[in]   Str             The hexadecimal encoded LUN string.\r
  @param[out]  Lun             Storage to return the 64-bit LUN.\r
\r
  @retval EFI_SUCCESS           The 64-bit LUN is stored in Lun.\r
  @retval EFI_INVALID_PARAMETER The string is malformatted.\r
\r
**/\r
EFI_STATUS\r
IScsiAsciiStrToLun (\r
  IN  CHAR8  *Str,\r
  OUT UINT8  *Lun\r
  );\r
\r
/**\r
  Convert the 64-bit LUN into the hexadecimal encoded LUN string.\r
\r
  @param[in]   Lun    The 64-bit LUN.\r
  @param[out]  String The storage to return the hexadecimal encoded LUN string.\r
\r
**/\r
VOID\r
IScsiLunToUnicodeStr (\r
  IN UINT8    *Lun,\r
  OUT CHAR16  *String\r
  );\r
\r
/**\r
  Convert the mac address into a hexadecimal encoded "-" seperated string.\r
\r
  @param[in]  Mac     The mac address.\r
  @param[in]  Len     Length in bytes of the mac address.\r
  @param[in]  VlanId  VLAN ID of the network device.\r
  @param[out] Str     The storage to return the mac string.\r
\r
**/\r
VOID\r
IScsiMacAddrToStr (\r
  IN  EFI_MAC_ADDRESS  *Mac,\r
  IN  UINT32           Len,\r
  IN  UINT16           VlanId,\r
  OUT CHAR16           *Str\r
  );\r
\r
/**\r
  Convert the formatted IP address into the binary IP address.\r
\r
  @param[in]   Str               The UNICODE string.\r
  @param[in]   IpMode            Indicates whether the IP address is v4 or v6.\r
  @param[out]  Ip                The storage to return the ASCII string.\r
\r
  @retval EFI_SUCCESS            The binary IP address is returned in Ip.\r
  @retval EFI_INVALID_PARAMETER  The IP string is malformatted or IpMode is\r
                                 invalid.\r
\r
**/\r
EFI_STATUS\r
IScsiAsciiStrToIp (\r
  IN  CHAR8             *Str,\r
  IN  UINT8             IpMode,\r
  OUT EFI_IP_ADDRESS    *Ip\r
  );\r
\r
/**\r
  Convert the binary encoded buffer into a hexadecimal encoded string.\r
\r
  @param[in]       BinBuffer   The buffer containing the binary data.\r
  @param[in]       BinLength   Length of the binary buffer.\r
  @param[in, out]  HexStr      Pointer to the string.\r
  @param[in, out]  HexLength   The length of the string.\r
\r
  @retval EFI_SUCCESS          The binary data is converted to the hexadecimal string \r
                               and the length of the string is updated.\r
  @retval EFI_BUFFER_TOO_SMALL The string is too small.\r
  @retval EFI_INVALID_PARAMETER The IP string is malformatted.\r
\r
**/\r
EFI_STATUS\r
IScsiBinToHex (\r
  IN     UINT8  *BinBuffer,\r
  IN     UINT32 BinLength,\r
  IN OUT CHAR8  *HexStr,\r
  IN OUT UINT32 *HexLength\r
  );\r
\r
/**\r
  Convert the hexadecimal string into a binary encoded buffer.\r
\r
  @param[in, out]  BinBuffer   The binary buffer.\r
  @param[in, out]  BinLength   Length of the binary buffer.\r
  @param[in]       HexStr      The hexadecimal string.\r
\r
  @retval EFI_SUCCESS          The hexadecimal string is converted into a binary\r
                               encoded buffer.\r
  @retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.\r
\r
**/\r
EFI_STATUS\r
IScsiHexToBin (\r
  IN OUT UINT8  *BinBuffer,\r
  IN OUT UINT32 *BinLength,\r
  IN     CHAR8  *HexStr\r
  );\r
\r
\r
/**\r
  Convert the decimal-constant string or hex-constant string into a numerical value.\r
\r
  @param[in] Str                    String in decimal or hex.\r
\r
  @return The numerical value.\r
\r
**/\r
UINTN\r
IScsiNetNtoi (\r
  IN     CHAR8  *Str\r
  );\r
\r
/**\r
  Generate random numbers.\r
\r
  @param[in, out]  Rand       The buffer to contain random numbers.\r
  @param[in]       RandLength The length of the Rand buffer.\r
\r
**/\r
VOID\r
IScsiGenRandom (\r
  IN OUT UINT8  *Rand,\r
  IN     UINTN  RandLength\r
  );\r
\r
/**\r
  Record the NIC information in a global structure.\r
\r
  @param[in]  Controller         The handle of the controller.\r
\r
  @retval EFI_SUCCESS            The operation is completed.\r
  @retval EFI_OUT_OF_RESOURCES   Do not have sufficient resource to finish this\r
                                 operation.\r
\r
**/\r
EFI_STATUS\r
IScsiAddNic (\r
  IN EFI_HANDLE  Controller\r
  );\r
\r
/**\r
  Delete the recorded NIC information from a global structure. Also delete corresponding\r
  attempts.\r
\r
  @param[in]  Controller         The handle of the controller.\r
\r
  @retval EFI_SUCCESS            The operation completed.\r
  @retval EFI_NOT_FOUND          The NIC information to be deleted is not recorded.\r
\r
**/\r
EFI_STATUS\r
IScsiRemoveNic (\r
  IN EFI_HANDLE  Controller\r
  );\r
\r
/**\r
  Get the recorded NIC information from a global structure by the Index.\r
\r
  @param[in]  NicIndex          The index indicates the position of NIC info.\r
\r
  @return Pointer to the NIC info or NULL if not found.\r
\r
**/\r
ISCSI_NIC_INFO *\r
IScsiGetNicInfoByIndex (\r
  IN UINT8      NicIndex\r
  );\r
\r
\r
/**\r
  Get the NIC's PCI location and return it accroding to the composited\r
  format defined in iSCSI Boot Firmware Table.\r
\r
  @param[in]   Controller        The handle of the controller.\r
  @param[out]  Bus               The bus number.\r
  @param[out]  Device            The device number.\r
  @param[out]  Function          The function number.\r
\r
  @return      The composited representation of the NIC PCI location.\r
\r
**/\r
UINT16\r
IScsiGetNICPciLocation (\r
  IN EFI_HANDLE  Controller,\r
  OUT UINTN      *Bus,\r
  OUT UINTN      *Device,\r
  OUT UINTN      *Function\r
  );\r
\r
/**\r
  Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r
  buffer, and the size of the buffer. If failure, return NULL.\r
\r
  @param[in]   Name                   String part of EFI variable name.\r
  @param[in]   VendorGuid             GUID part of EFI variable name.\r
  @param[out]  VariableSize           Returns the size of the EFI variable that was read.\r
\r
  @return Dynamically allocated memory that contains a copy of the EFI variable.\r
  @return Caller is responsible freeing the buffer.\r
  @retval NULL                   Variable was not read.\r
\r
**/\r
VOID *\r
IScsiGetVariableAndSize (\r
  IN  CHAR16              *Name,\r
  IN  EFI_GUID            *VendorGuid,\r
  OUT UINTN               *VariableSize\r
  );\r
\r
/**\r
  Create the iSCSI driver data.\r
\r
  @param[in] Image      The handle of the driver image.\r
  @param[in] Controller The handle of the controller.\r
\r
  @return The iSCSI driver data created.\r
  @retval NULL Other errors as indicated.\r
\r
**/\r
ISCSI_DRIVER_DATA *\r
IScsiCreateDriverData (\r
  IN EFI_HANDLE  Image,\r
  IN EFI_HANDLE  Controller\r
  );\r
\r
/**\r
  Clean the iSCSI driver data.\r
\r
  @param[in]  Private The iSCSI driver data.\r
\r
**/\r
VOID\r
IScsiCleanDriverData (\r
  IN ISCSI_DRIVER_DATA  *Private\r
  );\r
\r
/**\r
  Check wheather the Controller handle is configured to use DHCP protocol.\r
\r
  @param[in]  Controller           The handle of the controller.\r
  @param[in]  IpVersion            IP_VERSION_4 or IP_VERSION_6.\r
  \r
  @retval TRUE                     The handle of the controller need the Dhcp protocol.\r
  @retval FALSE                    The handle of the controller does not need the Dhcp protocol.\r
  \r
**/\r
BOOLEAN\r
IScsiDhcpIsConfigured (\r
  IN EFI_HANDLE  Controller,\r
  IN UINT8       IpVersion\r
  );\r
\r
/**\r
  Get the various configuration data of this iSCSI instance.\r
\r
  @param[in]  Private   The iSCSI driver data.\r
\r
  @retval EFI_SUCCESS   Obtained the configuration of this instance.\r
  @retval EFI_ABORTED   The operation was aborted.\r
  @retval Others        Other errors as indicated.\r
\r
**/\r
EFI_STATUS\r
IScsiGetConfigData (\r
  IN ISCSI_DRIVER_DATA  *Private\r
  );\r
\r
/**\r
  Get the device path of the iSCSI tcp connection and update it.\r
\r
  @param[in]  Session The iSCSI session data.\r
\r
  @return The updated device path.\r
  @retval NULL Other errors as indicated.\r
\r
**/\r
EFI_DEVICE_PATH_PROTOCOL *\r
IScsiGetTcpConnDevicePath (\r
  IN ISCSI_SESSION      *Session\r
  );\r
\r
/**\r
  Abort the session when the transition from BS to RT is initiated.\r
\r
  @param[in]   Event  The event signaled.\r
  @param[in]  Context The iSCSI driver data.\r
\r
**/\r
VOID\r
EFIAPI\r
IScsiOnExitBootService (\r
  IN EFI_EVENT  Event,\r
  IN VOID       *Context\r
  );\r
\r
#endif\r
Commit	Line	Data
4c5a5e0c	1	/** @file\r
	2	Miscellaneous definitions for iSCSI driver.\r
	3	\r
b7cc5bf1	4	Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>\r
4c5a5e0c	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef _ISCSI_MISC_H_\r
	16	#define _ISCSI_MISC_H_\r
	17	\r
	18	typedef struct _ISCSI_DRIVER_DATA ISCSI_DRIVER_DATA;\r
	19	\r
	20	#pragma pack(1)\r
	21	typedef struct _ISCSI_SESSION_CONFIG_NVDATA {\r
	22	UINT16 TargetPort;\r
	23	UINT8 Enabled;\r
	24	UINT8 IpMode;\r
	25	\r
75dce340	26	EFI_IP_ADDRESS LocalIp;\r
4c5a5e0c	27	EFI_IPv4_ADDRESS SubnetMask;\r
75dce340	28	EFI_IP_ADDRESS Gateway;\r
4c5a5e0c	29	\r
	30	BOOLEAN InitiatorInfoFromDhcp;\r
	31	BOOLEAN TargetInfoFromDhcp;\r
	32	CHAR8 TargetName[ISCSI_NAME_MAX_SIZE];\r
	33	EFI_IP_ADDRESS TargetIp;\r
75dce340	34	UINT8 PrefixLength;\r
4c5a5e0c	35	UINT8 BootLun[8];\r
	36	\r
	37	UINT16 ConnectTimeout; ///< timout value in milliseconds\r
	38	UINT8 ConnectRetryCount;\r
	39	UINT8 IsId[6];\r
	40	} ISCSI_SESSION_CONFIG_NVDATA;\r
	41	#pragma pack()\r
	42	\r
	43	/**\r
	44	Calculate the prefix length of the IPv4 subnet mask.\r
	45	\r
	46	@param[in] SubnetMask The IPv4 subnet mask.\r
	47	\r
	48	@return The prefix length of the subnet mask.\r
	49	@retval 0 Other errors as indicated.\r
	50	\r
	51	**/\r
	52	UINT8\r
	53	IScsiGetSubnetMaskPrefixLength (\r
	54	IN EFI_IPv4_ADDRESS *SubnetMask\r
	55	);\r
	56	\r
	57	/**\r
	58	Convert the hexadecimal encoded LUN string into the 64-bit LUN. \r
	59	\r
	60	@param[in] Str The hexadecimal encoded LUN string.\r
	61	@param[out] Lun Storage to return the 64-bit LUN.\r
	62	\r
	63	@retval EFI_SUCCESS The 64-bit LUN is stored in Lun.\r
	64	@retval EFI_INVALID_PARAMETER The string is malformatted.\r
	65	\r
	66	**/\r
	67	EFI_STATUS\r
	68	IScsiAsciiStrToLun (\r
	69	IN CHAR8 *Str,\r
	70	OUT UINT8 *Lun\r
	71	);\r
	72	\r
	73	/**\r
	74	Convert the 64-bit LUN into the hexadecimal encoded LUN string.\r
	75	\r
	76	@param[in] Lun The 64-bit LUN.\r
	77	@param[out] String The storage to return the hexadecimal encoded LUN string.\r
	78	\r
	79	**/\r
	80	VOID\r
	81	IScsiLunToUnicodeStr (\r
	82	IN UINT8 *Lun,\r
	83	OUT CHAR16 *String\r
	84	);\r
	85	\r
	86	/**\r
	87	Convert the mac address into a hexadecimal encoded "-" seperated string.\r
	88	\r
	89	@param[in] Mac The mac address.\r
	90	@param[in] Len Length in bytes of the mac address.\r
	91	@param[in] VlanId VLAN ID of the network device.\r
	92	@param[out] Str The storage to return the mac string.\r
	93	\r
	94	**/\r
	95	VOID\r
	96	IScsiMacAddrToStr (\r
	97	IN EFI_MAC_ADDRESS *Mac,\r
	98	IN UINT32 Len,\r
99	IN UINT16 VlanId,\r
100	OUT CHAR16 *Str\r
101	);\r
102	\r
103	/**\r
104	Convert the formatted IP address into the binary IP address.\r
105	\r
106	@param[in] Str The UNICODE string.\r
107	@param[in] IpMode Indicates whether the IP address is v4 or v6.\r
108	@param[out] Ip The storage to return the ASCII string.\r
109	\r
110	@retval EFI_SUCCESS The binary IP address is returned in Ip.\r
111	@retval EFI_INVALID_PARAMETER The IP string is malformatted or IpMode is\r
112	invalid.\r
113	\r
114	**/\r
115	EFI_STATUS\r
116	IScsiAsciiStrToIp (\r
117	IN CHAR8 *Str,\r
118	IN UINT8 IpMode,\r
119	OUT EFI_IP_ADDRESS *Ip\r
120	);\r
121	\r
122	/**\r
123	Convert the binary encoded buffer into a hexadecimal encoded string.\r
124	\r
125	@param[in] BinBuffer The buffer containing the binary data.\r
126	@param[in] BinLength Length of the binary buffer.\r
127	@param[in, out] HexStr Pointer to the string.\r
128	@param[in, out] HexLength The length of the string.\r
129	\r
130	@retval EFI_SUCCESS The binary data is converted to the hexadecimal string \r
131	and the length of the string is updated.\r
132	@retval EFI_BUFFER_TOO_SMALL The string is too small.\r
133	@retval EFI_INVALID_PARAMETER The IP string is malformatted.\r
134	\r
135	**/\r
136	EFI_STATUS\r
137	IScsiBinToHex (\r
138	IN UINT8 *BinBuffer,\r
139	IN UINT32 BinLength,\r
140	IN OUT CHAR8 *HexStr,\r
141	IN OUT UINT32 *HexLength\r
142	);\r
143	\r
144	/**\r
145	Convert the hexadecimal string into a binary encoded buffer.\r
146	\r
147	@param[in, out] BinBuffer The binary buffer.\r
148	@param[in, out] BinLength Length of the binary buffer.\r
149	@param[in] HexStr The hexadecimal string.\r
150	\r
151	@retval EFI_SUCCESS The hexadecimal string is converted into a binary\r
152	encoded buffer.\r
153	@retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.\r
154	\r
155	**/\r
156	EFI_STATUS\r
157	IScsiHexToBin (\r
158	IN OUT UINT8 *BinBuffer,\r
159	IN OUT UINT32 *BinLength,\r
160	IN CHAR8 *HexStr\r
161	);\r
162	\r
163	\r
164	/**\r
165	Convert the decimal-constant string or hex-constant string into a numerical value.\r
166	\r
167	@param[in] Str String in decimal or hex.\r
168	\r
169	@return The numerical value.\r
170	\r
171	**/\r
172	UINTN\r
173	IScsiNetNtoi (\r
174	IN CHAR8 *Str\r
175	);\r
176	\r
177	/**\r
178	Generate random numbers.\r
179	\r
180	@param[in, out] Rand The buffer to contain random numbers.\r
181	@param[in] RandLength The length of the Rand buffer.\r
182	\r
183	**/\r
184	VOID\r
185	IScsiGenRandom (\r
186	IN OUT UINT8 *Rand,\r
187	IN UINTN RandLength\r
188	);\r
189	\r
190	/**\r
191	Record the NIC information in a global structure.\r
192	\r
193	@param[in] Controller The handle of the controller.\r
194	\r
195	@retval EFI_SUCCESS The operation is completed.\r
196	@retval EFI_OUT_OF_RESOURCES Do not have sufficient resource to finish this\r
197	operation.\r
198	\r
199	**/\r
200	EFI_STATUS\r
201	IScsiAddNic (\r
202	IN EFI_HANDLE Controller\r
203	);\r
204	\r
205	/**\r
206	Delete the recorded NIC information from a global structure. Also delete corresponding\r
207	attempts.\r
208	\r
209	@param[in] Controller The handle of the controller.\r
210	\r
211	@retval EFI_SUCCESS The operation completed.\r
212	@retval EFI_NOT_FOUND The NIC information to be deleted is not recorded.\r
213	\r
214	**/\r
215	EFI_STATUS\r
216	IScsiRemoveNic (\r
217	IN EFI_HANDLE Controller\r
218	);\r
219	\r
220	/**\r
221	Get the recorded NIC information from a global structure by the Index.\r
222	\r
223	@param[in] NicIndex The index indicates the position of NIC info.\r
224	\r
225	@return Pointer to the NIC info or NULL if not found.\r
226	\r
227	**/\r
228	ISCSI_NIC_INFO *\r
229	IScsiGetNicInfoByIndex (\r
230	IN UINT8 NicIndex\r
231	);\r
232	\r
233	\r
234	/**\r
235	Get the NIC's PCI location and return it accroding to the composited\r
236	format defined in iSCSI Boot Firmware Table.\r
237	\r
238	@param[in] Controller The handle of the controller.\r
239	@param[out] Bus The bus number.\r
240	@param[out] Device The device number.\r
241	@param[out] Function The function number.\r
242	\r
243	@return The composited representation of the NIC PCI location.\r
244	\r
245	**/\r
246	UINT16\r
247	IScsiGetNICPciLocation (\r
248	IN EFI_HANDLE Controller,\r
249	OUT UINTN *Bus,\r
250	OUT UINTN *Device,\r
251	OUT UINTN *Function\r
252	);\r
253	\r
254	/**\r
255	Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r
256	buffer, and the size of the buffer. If failure, return NULL.\r
257	\r
258	@param[in] Name String part of EFI variable name.\r
259	@param[in] VendorGuid GUID part of EFI variable name.\r
260	@param[out] VariableSize Returns the size of the EFI variable that was read.\r
261	\r
262	@return Dynamically allocated memory that contains a copy of the EFI variable.\r
263	@return Caller is responsible freeing the buffer.\r
264	@retval NULL Variable was not read.\r
265	\r
266	**/\r
267	VOID *\r
268	IScsiGetVariableAndSize (\r
269	IN CHAR16 *Name,\r
270	IN EFI_GUID *VendorGuid,\r
271	OUT UINTN *VariableSize\r
272	);\r
273	\r
274	/**\r
275	Create the iSCSI driver data.\r
276	\r
277	@param[in] Image The handle of the driver image.\r
278	@param[in] Controller The handle of the controller.\r
279	\r
280	@return The iSCSI driver data created.\r
281	@retval NULL Other errors as indicated.\r
282	\r
283	**/\r
284	ISCSI_DRIVER_DATA *\r
285	IScsiCreateDriverData (\r
286	IN EFI_HANDLE Image,\r
287	IN EFI_HANDLE Controller\r
288	);\r
289	\r
290	/**\r
291	Clean the iSCSI driver data.\r
292	\r
293	@param[in] Private The iSCSI driver data.\r
294	\r
295	**/\r
296	VOID\r
297	IScsiCleanDriverData (\r
298	IN ISCSI_DRIVER_DATA *Private\r
299	);\r
300	\r
b7cc5bf1 WJ	301	/**\r
	302	Check wheather the Controller handle is configured to use DHCP protocol.\r
	303	\r
	304	@param[in] Controller The handle of the controller.\r
	305	@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.\r
	306	\r
	307	@retval TRUE The handle of the controller need the Dhcp protocol.\r
	308	@retval FALSE The handle of the controller does not need the Dhcp protocol.\r
	309	\r
	310	**/\r
	311	BOOLEAN\r
	312	IScsiDhcpIsConfigured (\r
	313	IN EFI_HANDLE Controller,\r
	314	IN UINT8 IpVersion\r
	315	);\r
	316	\r
4c5a5e0c	317	/**\r
	318	Get the various configuration data of this iSCSI instance.\r
	319	\r
	320	@param[in] Private The iSCSI driver data.\r
	321	\r
	322	@retval EFI_SUCCESS Obtained the configuration of this instance.\r
	323	@retval EFI_ABORTED The operation was aborted.\r
	324	@retval Others Other errors as indicated.\r
	325	\r
	326	**/\r
	327	EFI_STATUS\r
	328	IScsiGetConfigData (\r
	329	IN ISCSI_DRIVER_DATA *Private\r
	330	);\r
	331	\r
	332	/**\r
	333	Get the device path of the iSCSI tcp connection and update it.\r
	334	\r
	335	@param[in] Session The iSCSI session data.\r
	336	\r
	337	@return The updated device path.\r
	338	@retval NULL Other errors as indicated.\r
	339	\r
	340	**/\r
	341	EFI_DEVICE_PATH_PROTOCOL *\r
	342	IScsiGetTcpConnDevicePath (\r
	343	IN ISCSI_SESSION *Session\r
	344	);\r
	345	\r
	346	/**\r
	347	Abort the session when the transition from BS to RT is initiated.\r
	348	\r
	349	@param[in] Event The event signaled.\r
	350	@param[in] Context The iSCSI driver data.\r
	351	\r
	352	**/\r
	353	VOID\r
	354	EFIAPI\r
	355	IScsiOnExitBootService (\r
	356	IN EFI_EVENT Event,\r
	357	IN VOID *Context\r
	358	);\r
	359	\r
	360	#endif\r