18b24f924f
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Tian, Feng <feng.tian@intel.com> Reviewed-by: Jin, Eric <eric.jin@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15092 6f19259b-4bc3-4df7-8a09-765794883524
391 lines
11 KiB
C
391 lines
11 KiB
C
/** @file
|
|
Miscellaneous definitions for iSCSI driver.
|
|
|
|
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef _ISCSI_MISC_H_
|
|
#define _ISCSI_MISC_H_
|
|
|
|
typedef struct _ISCSI_DRIVER_DATA ISCSI_DRIVER_DATA;
|
|
|
|
#pragma pack(1)
|
|
typedef struct _ISCSI_SESSION_CONFIG_NVDATA {
|
|
UINT16 TargetPort;
|
|
UINT8 Enabled;
|
|
UINT8 IpMode;
|
|
|
|
EFI_IP_ADDRESS LocalIp;
|
|
EFI_IPv4_ADDRESS SubnetMask;
|
|
EFI_IP_ADDRESS Gateway;
|
|
|
|
BOOLEAN InitiatorInfoFromDhcp;
|
|
BOOLEAN TargetInfoFromDhcp;
|
|
CHAR8 TargetName[ISCSI_NAME_MAX_SIZE];
|
|
EFI_IP_ADDRESS TargetIp;
|
|
UINT8 PrefixLength;
|
|
UINT8 BootLun[8];
|
|
|
|
UINT16 ConnectTimeout; ///< timout value in milliseconds
|
|
UINT8 ConnectRetryCount;
|
|
UINT8 IsId[6];
|
|
} ISCSI_SESSION_CONFIG_NVDATA;
|
|
#pragma pack()
|
|
|
|
/**
|
|
Calculate the prefix length of the IPv4 subnet mask.
|
|
|
|
@param[in] SubnetMask The IPv4 subnet mask.
|
|
|
|
@return The prefix length of the subnet mask.
|
|
@retval 0 Other errors as indicated.
|
|
|
|
**/
|
|
UINT8
|
|
IScsiGetSubnetMaskPrefixLength (
|
|
IN EFI_IPv4_ADDRESS *SubnetMask
|
|
);
|
|
|
|
/**
|
|
Convert the hexadecimal encoded LUN string into the 64-bit LUN.
|
|
|
|
@param[in] Str The hexadecimal encoded LUN string.
|
|
@param[out] Lun Storage to return the 64-bit LUN.
|
|
|
|
@retval EFI_SUCCESS The 64-bit LUN is stored in Lun.
|
|
@retval EFI_INVALID_PARAMETER The string is malformatted.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiAsciiStrToLun (
|
|
IN CHAR8 *Str,
|
|
OUT UINT8 *Lun
|
|
);
|
|
|
|
/**
|
|
Convert the 64-bit LUN into the hexadecimal encoded LUN string.
|
|
|
|
@param[in] Lun The 64-bit LUN.
|
|
@param[out] String The storage to return the hexadecimal encoded LUN string.
|
|
|
|
**/
|
|
VOID
|
|
IScsiLunToUnicodeStr (
|
|
IN UINT8 *Lun,
|
|
OUT CHAR16 *String
|
|
);
|
|
|
|
/**
|
|
Convert the mac address into a hexadecimal encoded "-" seperated string.
|
|
|
|
@param[in] Mac The mac address.
|
|
@param[in] Len Length in bytes of the mac address.
|
|
@param[in] VlanId VLAN ID of the network device.
|
|
@param[out] Str The storage to return the mac string.
|
|
|
|
**/
|
|
VOID
|
|
IScsiMacAddrToStr (
|
|
IN EFI_MAC_ADDRESS *Mac,
|
|
IN UINT32 Len,
|
|
IN UINT16 VlanId,
|
|
OUT CHAR16 *Str
|
|
);
|
|
|
|
/**
|
|
Convert the formatted IP address into the binary IP address.
|
|
|
|
@param[in] Str The UNICODE string.
|
|
@param[in] IpMode Indicates whether the IP address is v4 or v6.
|
|
@param[out] Ip The storage to return the ASCII string.
|
|
|
|
@retval EFI_SUCCESS The binary IP address is returned in Ip.
|
|
@retval EFI_INVALID_PARAMETER The IP string is malformatted or IpMode is
|
|
invalid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiAsciiStrToIp (
|
|
IN CHAR8 *Str,
|
|
IN UINT8 IpMode,
|
|
OUT EFI_IP_ADDRESS *Ip
|
|
);
|
|
|
|
/**
|
|
Convert the binary encoded buffer into a hexadecimal encoded string.
|
|
|
|
@param[in] BinBuffer The buffer containing the binary data.
|
|
@param[in] BinLength Length of the binary buffer.
|
|
@param[in, out] HexStr Pointer to the string.
|
|
@param[in, out] HexLength The length of the string.
|
|
|
|
@retval EFI_SUCCESS The binary data is converted to the hexadecimal string
|
|
and the length of the string is updated.
|
|
@retval EFI_BUFFER_TOO_SMALL The string is too small.
|
|
@retval EFI_INVALID_PARAMETER The IP string is malformatted.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiBinToHex (
|
|
IN UINT8 *BinBuffer,
|
|
IN UINT32 BinLength,
|
|
IN OUT CHAR8 *HexStr,
|
|
IN OUT UINT32 *HexLength
|
|
);
|
|
|
|
/**
|
|
Convert the hexadecimal string into a binary encoded buffer.
|
|
|
|
@param[in, out] BinBuffer The binary buffer.
|
|
@param[in, out] BinLength Length of the binary buffer.
|
|
@param[in] HexStr The hexadecimal string.
|
|
|
|
@retval EFI_SUCCESS The hexadecimal string is converted into a binary
|
|
encoded buffer.
|
|
@retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold the converted data.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiHexToBin (
|
|
IN OUT UINT8 *BinBuffer,
|
|
IN OUT UINT32 *BinLength,
|
|
IN CHAR8 *HexStr
|
|
);
|
|
|
|
|
|
/**
|
|
Convert the decimal-constant string or hex-constant string into a numerical value.
|
|
|
|
@param[in] Str String in decimal or hex.
|
|
|
|
@return The numerical value.
|
|
|
|
**/
|
|
UINTN
|
|
IScsiNetNtoi (
|
|
IN CHAR8 *Str
|
|
);
|
|
|
|
/**
|
|
Generate random numbers.
|
|
|
|
@param[in, out] Rand The buffer to contain random numbers.
|
|
@param[in] RandLength The length of the Rand buffer.
|
|
|
|
**/
|
|
VOID
|
|
IScsiGenRandom (
|
|
IN OUT UINT8 *Rand,
|
|
IN UINTN RandLength
|
|
);
|
|
|
|
/**
|
|
Record the NIC information in a global structure.
|
|
|
|
@param[in] Controller The handle of the controller.
|
|
|
|
@retval EFI_SUCCESS The operation is completed.
|
|
@retval EFI_OUT_OF_RESOURCES Do not have sufficient resource to finish this
|
|
operation.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiAddNic (
|
|
IN EFI_HANDLE Controller
|
|
);
|
|
|
|
/**
|
|
Delete the recorded NIC information from a global structure. Also delete corresponding
|
|
attempts.
|
|
|
|
@param[in] Controller The handle of the controller.
|
|
|
|
@retval EFI_SUCCESS The operation completed.
|
|
@retval EFI_NOT_FOUND The NIC information to be deleted is not recorded.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiRemoveNic (
|
|
IN EFI_HANDLE Controller
|
|
);
|
|
|
|
/**
|
|
Get the recorded NIC information from a global structure by the Index.
|
|
|
|
@param[in] NicIndex The index indicates the position of NIC info.
|
|
|
|
@return Pointer to the NIC info or NULL if not found.
|
|
|
|
**/
|
|
ISCSI_NIC_INFO *
|
|
IScsiGetNicInfoByIndex (
|
|
IN UINT8 NicIndex
|
|
);
|
|
|
|
|
|
/**
|
|
Get the NIC's PCI location and return it accroding to the composited
|
|
format defined in iSCSI Boot Firmware Table.
|
|
|
|
@param[in] Controller The handle of the controller.
|
|
@param[out] Bus The bus number.
|
|
@param[out] Device The device number.
|
|
@param[out] Function The function number.
|
|
|
|
@return The composited representation of the NIC PCI location.
|
|
|
|
**/
|
|
UINT16
|
|
IScsiGetNICPciLocation (
|
|
IN EFI_HANDLE Controller,
|
|
OUT UINTN *Bus,
|
|
OUT UINTN *Device,
|
|
OUT UINTN *Function
|
|
);
|
|
|
|
/**
|
|
Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
|
|
buffer, and the size of the buffer. If failure, return NULL.
|
|
|
|
@param[in] Name String part of EFI variable name.
|
|
@param[in] VendorGuid GUID part of EFI variable name.
|
|
@param[out] VariableSize Returns the size of the EFI variable that was read.
|
|
|
|
@return Dynamically allocated memory that contains a copy of the EFI variable.
|
|
@return Caller is responsible freeing the buffer.
|
|
@retval NULL Variable was not read.
|
|
|
|
**/
|
|
VOID *
|
|
IScsiGetVariableAndSize (
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *VendorGuid,
|
|
OUT UINTN *VariableSize
|
|
);
|
|
|
|
/**
|
|
Create the iSCSI driver data.
|
|
|
|
@param[in] Image The handle of the driver image.
|
|
@param[in] Controller The handle of the controller.
|
|
|
|
@return The iSCSI driver data created.
|
|
@retval NULL Other errors as indicated.
|
|
|
|
**/
|
|
ISCSI_DRIVER_DATA *
|
|
IScsiCreateDriverData (
|
|
IN EFI_HANDLE Image,
|
|
IN EFI_HANDLE Controller
|
|
);
|
|
|
|
/**
|
|
Clean the iSCSI driver data.
|
|
|
|
@param[in] Private The iSCSI driver data.
|
|
|
|
**/
|
|
VOID
|
|
IScsiCleanDriverData (
|
|
IN ISCSI_DRIVER_DATA *Private
|
|
);
|
|
|
|
/**
|
|
Check wheather the Controller handle is configured to use DHCP protocol.
|
|
|
|
@param[in] Controller The handle of the controller.
|
|
@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
|
|
|
|
@retval TRUE The handle of the controller need the Dhcp protocol.
|
|
@retval FALSE The handle of the controller does not need the Dhcp protocol.
|
|
|
|
**/
|
|
BOOLEAN
|
|
IScsiDhcpIsConfigured (
|
|
IN EFI_HANDLE Controller,
|
|
IN UINT8 IpVersion
|
|
);
|
|
|
|
/**
|
|
Get the various configuration data of this iSCSI instance.
|
|
|
|
@param[in] Private The iSCSI driver data.
|
|
|
|
@retval EFI_SUCCESS Obtained the configuration of this instance.
|
|
@retval EFI_ABORTED The operation was aborted.
|
|
@retval Others Other errors as indicated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
IScsiGetConfigData (
|
|
IN ISCSI_DRIVER_DATA *Private
|
|
);
|
|
|
|
/**
|
|
Get the device path of the iSCSI tcp connection and update it.
|
|
|
|
@param[in] Session The iSCSI session data.
|
|
|
|
@return The updated device path.
|
|
@retval NULL Other errors as indicated.
|
|
|
|
**/
|
|
EFI_DEVICE_PATH_PROTOCOL *
|
|
IScsiGetTcpConnDevicePath (
|
|
IN ISCSI_SESSION *Session
|
|
);
|
|
|
|
/**
|
|
Abort the session when the transition from BS to RT is initiated.
|
|
|
|
@param[in] Event The event signaled.
|
|
@param[in] Context The iSCSI driver data.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
IScsiOnExitBootService (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Tests whether a controller handle is being managed by IScsi driver.
|
|
|
|
This function tests whether the driver specified by DriverBindingHandle is
|
|
currently managing the controller specified by ControllerHandle. This test
|
|
is performed by evaluating if the the protocol specified by ProtocolGuid is
|
|
present on ControllerHandle and is was opened by DriverBindingHandle and Nic
|
|
Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
|
|
If ProtocolGuid is NULL, then ASSERT().
|
|
|
|
@param ControllerHandle A handle for a controller to test.
|
|
@param DriverBindingHandle Specifies the driver binding handle for the
|
|
driver.
|
|
@param ProtocolGuid Specifies the protocol that the driver specified
|
|
by DriverBindingHandle opens in its Start()
|
|
function.
|
|
|
|
@retval EFI_SUCCESS ControllerHandle is managed by the driver
|
|
specified by DriverBindingHandle.
|
|
@retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver
|
|
specified by DriverBindingHandle.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
IScsiTestManagedDevice (
|
|
IN EFI_HANDLE ControllerHandle,
|
|
IN EFI_HANDLE DriverBindingHandle,
|
|
IN EFI_GUID *ProtocolGuid
|
|
);
|
|
#endif
|