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

/** @file\r
  Miscellaneous definitions for iSCSI driver.\r
\r
Copyright (c) 2004 - 2016, 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
///\r
/// IPv4 Device Path Node Length\r
///\r
#define IP4_NODE_LEN_NEW_VERSIONS    27\r
\r
///\r
/// IPv6 Device Path Node Length\r
///\r
#define IP6_NODE_LEN_OLD_VERSIONS    43\r
#define IP6_NODE_LEN_NEW_VERSIONS    60\r
\r
///\r
/// The ignored field StaticIpAddress's offset in old IPv6 Device Path\r
///\r
#define IP6_OLD_IPADDRESS_OFFSET      42\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
\r
  BOOLEAN           RedirectFlag;\r
  UINT16            OriginalTargetPort;     // The port of proxy/virtual target.\r
  EFI_IP_ADDRESS    OriginalTargetIp;       // The address of proxy/virtual target.\r
  \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 according 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
  @retval EFI_SUCCES      The clean operation is successful.\r
  @retval Others          Other errors as indicated.\r
\r
**/\r
EFI_STATUS\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
/**\r
  Tests whether a controller handle is being managed by IScsi driver.\r
\r
  This function tests whether the driver specified by DriverBindingHandle is\r
  currently managing the controller specified by ControllerHandle.  This test\r
  is performed by evaluating if the the protocol specified by ProtocolGuid is\r
  present on ControllerHandle and is was opened by DriverBindingHandle and Nic\r
  Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. \r
  If ProtocolGuid is NULL, then ASSERT().\r
\r
  @param  ControllerHandle     A handle for a controller to test.\r
  @param  DriverBindingHandle  Specifies the driver binding handle for the\r
                               driver.\r
  @param  ProtocolGuid         Specifies the protocol that the driver specified\r
                               by DriverBindingHandle opens in its Start()\r
                               function.\r
\r
  @retval EFI_SUCCESS          ControllerHandle is managed by the driver\r
                               specified by DriverBindingHandle.\r
  @retval EFI_UNSUPPORTED      ControllerHandle is not managed by the driver\r
                               specified by DriverBindingHandle.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
IScsiTestManagedDevice (\r
  IN  EFI_HANDLE       ControllerHandle,\r
  IN  EFI_HANDLE       DriverBindingHandle,\r
  IN  EFI_GUID         *ProtocolGuid\r
  );\r
#endif\r
Commit	Line	Data
4c5a5e0c	1	/** @file\r
	2	Miscellaneous definitions for iSCSI driver.\r
	3	\r
e590d29f	4	Copyright (c) 2004 - 2016, 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
42f0586d	20	///\r
	21	/// IPv4 Device Path Node Length\r
	22	///\r
5ae7578a	23	#define IP4_NODE_LEN_NEW_VERSIONS 27\r
42f0586d	24	\r
	25	///\r
	26	/// IPv6 Device Path Node Length\r
	27	///\r
5ae7578a	28	#define IP6_NODE_LEN_OLD_VERSIONS 43\r
5ae7578a	29	#define IP6_NODE_LEN_NEW_VERSIONS 60\r
42f0586d	30	\r
	31	///\r
	32	/// The ignored field StaticIpAddress's offset in old IPv6 Device Path\r
	33	///\r
5ae7578a	34	#define IP6_OLD_IPADDRESS_OFFSET 42\r
42f0586d	35	\r
4c5a5e0c	36	#pragma pack(1)\r
	37	typedef struct _ISCSI_SESSION_CONFIG_NVDATA {\r
	38	UINT16 TargetPort;\r
	39	UINT8 Enabled;\r
	40	UINT8 IpMode;\r
	41	\r
75dce340	42	EFI_IP_ADDRESS LocalIp;\r
4c5a5e0c	43	EFI_IPv4_ADDRESS SubnetMask;\r
75dce340	44	EFI_IP_ADDRESS Gateway;\r
4c5a5e0c	45	\r
	46	BOOLEAN InitiatorInfoFromDhcp;\r
	47	BOOLEAN TargetInfoFromDhcp;\r
	48	CHAR8 TargetName[ISCSI_NAME_MAX_SIZE];\r
	49	EFI_IP_ADDRESS TargetIp;\r
75dce340	50	UINT8 PrefixLength;\r
4c5a5e0c	51	UINT8 BootLun[8];\r
4c5a5e0c	52	\r
a2d59ef2	53	UINT16 ConnectTimeout; ///< timout value in milliseconds.\r
4c5a5e0c	54	UINT8 ConnectRetryCount;\r
4c5a5e0c	55	UINT8 IsId[6];\r
a2d59ef2 YT	56	\r
	57	BOOLEAN RedirectFlag;\r
	58	UINT16 OriginalTargetPort; // The port of proxy/virtual target.\r
	59	EFI_IP_ADDRESS OriginalTargetIp; // The address of proxy/virtual target.\r
	60	\r
4c5a5e0c	61	} ISCSI_SESSION_CONFIG_NVDATA;\r
	62	#pragma pack()\r
	63	\r
	64	/**\r
	65	Calculate the prefix length of the IPv4 subnet mask.\r
	66	\r
	67	@param[in] SubnetMask The IPv4 subnet mask.\r
	68	\r
	69	@return The prefix length of the subnet mask.\r
	70	@retval 0 Other errors as indicated.\r
	71	\r
	72	**/\r
	73	UINT8\r
	74	IScsiGetSubnetMaskPrefixLength (\r
	75	IN EFI_IPv4_ADDRESS *SubnetMask\r
	76	);\r
	77	\r
	78	/**\r
	79	Convert the hexadecimal encoded LUN string into the 64-bit LUN. \r
	80	\r
	81	@param[in] Str The hexadecimal encoded LUN string.\r
	82	@param[out] Lun Storage to return the 64-bit LUN.\r
	83	\r
	84	@retval EFI_SUCCESS The 64-bit LUN is stored in Lun.\r
	85	@retval EFI_INVALID_PARAMETER The string is malformatted.\r
	86	\r
	87	**/\r
	88	EFI_STATUS\r
	89	IScsiAsciiStrToLun (\r
	90	IN CHAR8 *Str,\r
	91	OUT UINT8 *Lun\r
	92	);\r
	93	\r
	94	/**\r
	95	Convert the 64-bit LUN into the hexadecimal encoded LUN string.\r
	96	\r
	97	@param[in] Lun The 64-bit LUN.\r
	98	@param[out] String The storage to return the hexadecimal encoded LUN string.\r
	99	\r
	100	**/\r
	101	VOID\r
	102	IScsiLunToUnicodeStr (\r
	103	IN UINT8 *Lun,\r
	104	OUT CHAR16 *String\r
	105	);\r
	106	\r
	107	/**\r
	108	Convert the mac address into a hexadecimal encoded "-" seperated string.\r
	109	\r
	110	@param[in] Mac The mac address.\r
	111	@param[in] Len Length in bytes of the mac address.\r
	112	@param[in] VlanId VLAN ID of the network device.\r
	113	@param[out] Str The storage to return the mac string.\r
	114	\r
	115	**/\r
	116	VOID\r
	117	IScsiMacAddrToStr (\r
	118	IN EFI_MAC_ADDRESS *Mac,\r
	119	IN UINT32 Len,\r
	120	IN UINT16 VlanId,\r
	121	OUT CHAR16 *Str\r
	122	);\r
	123	\r
	124	/**\r
125	Convert the formatted IP address into the binary IP address.\r
126	\r
127	@param[in] Str The UNICODE string.\r
128	@param[in] IpMode Indicates whether the IP address is v4 or v6.\r
129	@param[out] Ip The storage to return the ASCII string.\r
130	\r
131	@retval EFI_SUCCESS The binary IP address is returned in Ip.\r
132	@retval EFI_INVALID_PARAMETER The IP string is malformatted or IpMode is\r
133	invalid.\r
134	\r
135	**/\r
136	EFI_STATUS\r
137	IScsiAsciiStrToIp (\r
138	IN CHAR8 *Str,\r
139	IN UINT8 IpMode,\r
140	OUT EFI_IP_ADDRESS *Ip\r
141	);\r
142	\r
143	/**\r
144	Convert the binary encoded buffer into a hexadecimal encoded string.\r
145	\r
146	@param[in] BinBuffer The buffer containing the binary data.\r
147	@param[in] BinLength Length of the binary buffer.\r
148	@param[in, out] HexStr Pointer to the string.\r
149	@param[in, out] HexLength The length of the string.\r
150	\r
151	@retval EFI_SUCCESS The binary data is converted to the hexadecimal string \r
152	and the length of the string is updated.\r
153	@retval EFI_BUFFER_TOO_SMALL The string is too small.\r
154	@retval EFI_INVALID_PARAMETER The IP string is malformatted.\r
155	\r
156	**/\r
157	EFI_STATUS\r
158	IScsiBinToHex (\r
159	IN UINT8 *BinBuffer,\r
160	IN UINT32 BinLength,\r
161	IN OUT CHAR8 *HexStr,\r
162	IN OUT UINT32 *HexLength\r
163	);\r
164	\r
165	/**\r
166	Convert the hexadecimal string into a binary encoded buffer.\r
167	\r
168	@param[in, out] BinBuffer The binary buffer.\r
169	@param[in, out] BinLength Length of the binary buffer.\r
170	@param[in] HexStr The hexadecimal string.\r
171	\r
172	@retval EFI_SUCCESS The hexadecimal string is converted into a binary\r
173	encoded buffer.\r
174	@retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.\r
175	\r
176	**/\r
177	EFI_STATUS\r
178	IScsiHexToBin (\r
179	IN OUT UINT8 *BinBuffer,\r
180	IN OUT UINT32 *BinLength,\r
181	IN CHAR8 *HexStr\r
182	);\r
183	\r
184	\r
185	/**\r
186	Convert the decimal-constant string or hex-constant string into a numerical value.\r
187	\r
188	@param[in] Str String in decimal or hex.\r
189	\r
190	@return The numerical value.\r
191	\r
192	**/\r
193	UINTN\r
194	IScsiNetNtoi (\r
195	IN CHAR8 *Str\r
196	);\r
197	\r
198	/**\r
199	Generate random numbers.\r
200	\r
201	@param[in, out] Rand The buffer to contain random numbers.\r
202	@param[in] RandLength The length of the Rand buffer.\r
203	\r
204	**/\r
205	VOID\r
206	IScsiGenRandom (\r
207	IN OUT UINT8 *Rand,\r
208	IN UINTN RandLength\r
209	);\r
210	\r
211	/**\r
212	Record the NIC information in a global structure.\r
213	\r
214	@param[in] Controller The handle of the controller.\r
215	\r
216	@retval EFI_SUCCESS The operation is completed.\r
217	@retval EFI_OUT_OF_RESOURCES Do not have sufficient resource to finish this\r
218	operation.\r
219	\r
220	**/\r
221	EFI_STATUS\r
222	IScsiAddNic (\r
223	IN EFI_HANDLE Controller\r
224	);\r
225	\r
226	/**\r
227	Delete the recorded NIC information from a global structure. Also delete corresponding\r
228	attempts.\r
229	\r
230	@param[in] Controller The handle of the controller.\r
231	\r
232	@retval EFI_SUCCESS The operation completed.\r
233	@retval EFI_NOT_FOUND The NIC information to be deleted is not recorded.\r
234	\r
235	**/\r
236	EFI_STATUS\r
237	IScsiRemoveNic (\r
238	IN EFI_HANDLE Controller\r
239	);\r
240	\r
241	/**\r
242	Get the recorded NIC information from a global structure by the Index.\r
243	\r
244	@param[in] NicIndex The index indicates the position of NIC info.\r
245	\r
246	@return Pointer to the NIC info or NULL if not found.\r
247	\r
248	**/\r
249	ISCSI_NIC_INFO *\r
250	IScsiGetNicInfoByIndex (\r
251	IN UINT8 NicIndex\r
252	);\r
253	\r
254	\r
255	/**\r
59c0c1cb	256	Get the NIC's PCI location and return it according to the composited\r
4c5a5e0c	257	format defined in iSCSI Boot Firmware Table.\r
	258	\r
	259	@param[in] Controller The handle of the controller.\r
	260	@param[out] Bus The bus number.\r
	261	@param[out] Device The device number.\r
	262	@param[out] Function The function number.\r
	263	\r
	264	@return The composited representation of the NIC PCI location.\r
	265	\r
	266	**/\r
	267	UINT16\r
	268	IScsiGetNICPciLocation (\r
	269	IN EFI_HANDLE Controller,\r
	270	OUT UINTN *Bus,\r
	271	OUT UINTN *Device,\r
	272	OUT UINTN *Function\r
	273	);\r
	274	\r
	275	/**\r
	276	Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r
	277	buffer, and the size of the buffer. If failure, return NULL.\r
	278	\r
	279	@param[in] Name String part of EFI variable name.\r
	280	@param[in] VendorGuid GUID part of EFI variable name.\r
	281	@param[out] VariableSize Returns the size of the EFI variable that was read.\r
	282	\r
	283	@return Dynamically allocated memory that contains a copy of the EFI variable.\r
	284	@return Caller is responsible freeing the buffer.\r
	285	@retval NULL Variable was not read.\r
	286	\r
	287	**/\r
	288	VOID *\r
	289	IScsiGetVariableAndSize (\r
	290	IN CHAR16 *Name,\r
	291	IN EFI_GUID *VendorGuid,\r
	292	OUT UINTN *VariableSize\r
	293	);\r
	294	\r
	295	/**\r
	296	Create the iSCSI driver data.\r
	297	\r
	298	@param[in] Image The handle of the driver image.\r
	299	@param[in] Controller The handle of the controller.\r
	300	\r
	301	@return The iSCSI driver data created.\r
	302	@retval NULL Other errors as indicated.\r
	303	\r
	304	**/\r
	305	ISCSI_DRIVER_DATA *\r
	306	IScsiCreateDriverData (\r
	307	IN EFI_HANDLE Image,\r
	308	IN EFI_HANDLE Controller\r
	309	);\r
	310	\r
	311	/**\r
	312	Clean the iSCSI driver data.\r
	313	\r
e590d29f ZL	314	@param[in] Private The iSCSI driver data.\r
	315	\r
	316	@retval EFI_SUCCES The clean operation is successful.\r
	317	@retval Others Other errors as indicated.\r
4c5a5e0c	318	\r
4c5a5e0c	319	**/\r
e590d29f	320	EFI_STATUS\r
4c5a5e0c	321	IScsiCleanDriverData (\r
	322	IN ISCSI_DRIVER_DATA *Private\r
	323	);\r
	324	\r
b7cc5bf1 WJ	325	/**\r
	326	Check wheather the Controller handle is configured to use DHCP protocol.\r
	327	\r
	328	@param[in] Controller The handle of the controller.\r
	329	@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.\r
	330	\r
	331	@retval TRUE The handle of the controller need the Dhcp protocol.\r
	332	@retval FALSE The handle of the controller does not need the Dhcp protocol.\r
	333	\r
	334	**/\r
	335	BOOLEAN\r
	336	IScsiDhcpIsConfigured (\r
	337	IN EFI_HANDLE Controller,\r
	338	IN UINT8 IpVersion\r
	339	);\r
	340	\r
4c5a5e0c	341	/**\r
	342	Get the various configuration data of this iSCSI instance.\r
	343	\r
	344	@param[in] Private The iSCSI driver data.\r
	345	\r
	346	@retval EFI_SUCCESS Obtained the configuration of this instance.\r
	347	@retval EFI_ABORTED The operation was aborted.\r
	348	@retval Others Other errors as indicated.\r
	349	\r
	350	**/\r
	351	EFI_STATUS\r
	352	IScsiGetConfigData (\r
	353	IN ISCSI_DRIVER_DATA *Private\r
	354	);\r
	355	\r
	356	/**\r
	357	Get the device path of the iSCSI tcp connection and update it.\r
	358	\r
	359	@param[in] Session The iSCSI session data.\r
	360	\r
	361	@return The updated device path.\r
	362	@retval NULL Other errors as indicated.\r
	363	\r
	364	**/\r
	365	EFI_DEVICE_PATH_PROTOCOL *\r
	366	IScsiGetTcpConnDevicePath (\r
	367	IN ISCSI_SESSION *Session\r
	368	);\r
	369	\r
	370	/**\r
	371	Abort the session when the transition from BS to RT is initiated.\r
	372	\r
	373	@param[in] Event The event signaled.\r
	374	@param[in] Context The iSCSI driver data.\r
	375	\r
	376	**/\r
	377	VOID\r
	378	EFIAPI\r
	379	IScsiOnExitBootService (\r
	380	IN EFI_EVENT Event,\r
	381	IN VOID *Context\r
	382	);\r
	383	\r
18b24f92 FS	384	/**\r
	385	Tests whether a controller handle is being managed by IScsi driver.\r
	386	\r
	387	This function tests whether the driver specified by DriverBindingHandle is\r
	388	currently managing the controller specified by ControllerHandle. This test\r
	389	is performed by evaluating if the the protocol specified by ProtocolGuid is\r
	390	present on ControllerHandle and is was opened by DriverBindingHandle and Nic\r
	391	Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. \r
	392	If ProtocolGuid is NULL, then ASSERT().\r
	393	\r
	394	@param ControllerHandle A handle for a controller to test.\r
	395	@param DriverBindingHandle Specifies the driver binding handle for the\r
	396	driver.\r
	397	@param ProtocolGuid Specifies the protocol that the driver specified\r
	398	by DriverBindingHandle opens in its Start()\r
	399	function.\r
	400	\r
	401	@retval EFI_SUCCESS ControllerHandle is managed by the driver\r
	402	specified by DriverBindingHandle.\r
	403	@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver\r
	404	specified by DriverBindingHandle.\r
	405	\r
	406	**/\r
	407	EFI_STATUS\r
	408	EFIAPI\r
	409	IScsiTestManagedDevice (\r
	410	IN EFI_HANDLE ControllerHandle,\r
	411	IN EFI_HANDLE DriverBindingHandle,\r
	412	IN EFI_GUID *ProtocolGuid\r
	413	);\r
4c5a5e0c	414	#endif\r