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change some comment and for 202033 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6877 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ywu21 2008-12-05 11:49:26 +00:00
parent 62991af27f
commit 9445163445
1 changed files with 66 additions and 117 deletions
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183
MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.h
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@ -1,7 +1,7 @@
/** @file
The header file of IScsiDriver.c
The header file of IScsiDriver.c.
Copyright (c) 2004 - 2008, Intel Corporation
Copyright (c) 2004 - 2008, Intel Corporation.<BR>
All rights reserved. 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
@ -10,13 +10,6 @@ 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.
Module Name:
IScsiDriver.h
Abstract:
The header file of IScsiDriver.c
**/
#ifndef _ISCSI_DRIVER_H_
@ -38,6 +31,7 @@ Abstract:
#include <Protocol/ComponentName.h>
#include <Protocol/ComponentName2.h>
#define ISCSI_PRIVATE_GUID \
{ 0xfa3cde4c, 0x87c2, 0x427d, {0xae, 0xde, 0x7d, 0xd0, 0x96, 0xc8, 0x8c, 0x58} }
@ -46,7 +40,6 @@ Abstract:
extern EFI_COMPONENT_NAME2_PROTOCOL gIScsiComponentName2;
extern EFI_COMPONENT_NAME_PROTOCOL gIScsiComponentName;
extern EFI_ISCSI_INITIATOR_NAME_PROTOCOL gIScsiInitiatorName;
extern EFI_GUID mIScsiPrivateGuid;
@ -57,21 +50,30 @@ typedef struct _ISCSI_PRIVATE_PROTOCOL {
//
// EFI Driver Binding Protocol for iSCSI driver.
//
/**
Test to see if IScsi driver supports the given controller.
Tests to see if this driver supports a given controller. If a child device is provided,
it further tests to see if this driver supports creating a handle for the specified child device.
@param This[in] Protocol instance pointer.
@param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param ControllerHandle The handle of the controller to test. This handle
must support a protocol interface that supplies
an I/O abstraction to the driver.
@param RemainingDevicePath A pointer to the remaining portion of a device path.
This parameter is ignored by device drivers, and is optional for bus drivers.
@param ControllerHandle[in] Handle of controller to test.
@param RemainingDevicePath[in] Optional parameter use to pick a specific child device to start.
@retval EFI_SUCCES This driver supports the controller.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@retval EFI_UNSUPPORTED This driver doesn't support the controller.
@retval EFI_SUCCESS The device specified by ControllerHandle and
RemainingDevicePath is supported by the driver specified by This.
@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by the driver
specified by This.
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by a different
driver or an application that requires exclusive acces.
Currently not implemented.
@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
RemainingDevicePath is not supported by the driver specified by This.
**/
EFI_STATUS
EFIAPI
@ -82,18 +84,28 @@ IScsiDriverBindingSupported (
);
/**
Start to manage the controller.
Start this driver on ControllerHandle. The Start() function is designed to be
invoked from the EFI boot service ConnectController(). As a result, much of
the error checking on the parameters to Start() has been moved into this
common boot service. It is legal to call Start() from other locations,
but the following calling restrictions must be followed or the system behavior will not be deterministic.
1. ControllerHandle must be a valid EFI_HANDLE.
2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
EFI_DEVICE_PATH_PROTOCOL.
3. Prior to calling Start(), the Supported() function for the driver specified by This must
have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
@param This[in] Protocol instance pointer.
@param ControllerHandle[in] Handle of the controller.
@param RemainingDevicePath[in] Optional parameter use to pick a specific child device to start.
@retval EFI_SUCCES This driver supports this device.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param ControllerHandle The handle of the controller to start. This handle
must support a protocol interface that supplies
an I/O abstraction to the driver.
@param RemainingDevicePath A pointer to the remaining portion of a device path.
This parameter is ignored by device drivers, and is optional for bus drivers.
@retval EFI_SUCCESS The device was started.
@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval other The driver failded to start the device.
**/
EFI_STATUS
EFIAPI
@ -104,18 +116,30 @@ IScsiDriverBindingStart (
);
/**
Release the control of this controller and remove the IScsi functions.
@param This[in] Protocol instance pointer.
@param ControllerHandle[in] Handle of controller to stop.
@param NumberOfChildren[in] Not used.
@param ChildHandleBuffer[in] Not used.
@retval EFI_SUCCES This driver supports this device.
Stop this driver on ControllerHandle.
Release the control of this controller and remove the IScsi functions. The Stop()
function is designed to be invoked from the EFI boot service DisconnectController().
As a result, much of the error checking on the parameters to Stop() has been moved
into this common boot service. It is legal to call Stop() from other locations,
but the following calling restrictions must be followed or the system behavior will not be deterministic.
1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
same driver's Start() function.
2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
EFI_HANDLE. In addition, all of these handles must have been created in this driver's
Start() function, and the Start() function must have called OpenProtocol() on
ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
@param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param ControllerHandle A handle to the device being stopped. The handle must
support a bus specific I/O protocol for the driver
to use to stop the device.
@param NumberOfChildren The number of child device handles in ChildHandleBuffer.Not used.
@param ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.Not used.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
**/
EFI_STATUS
EFIAPI
@ -234,79 +258,4 @@ IScsiComponentNameGetControllerName (
OUT CHAR16 **ControllerName
);
//
// EFI IScsi Initiator Name Protocol for IScsi driver.
//
/**
Retrieves the current set value of iSCSI Initiator Name.
@param This[in] Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
@param BufferSize[in][out] Size of the buffer in bytes pointed to by Buffer / Actual
size of the variable data buffer.
@param Buffer[out] Pointer to the buffer for data to be read.
@retval EFI_SUCCESS Data was successfully retrieved into the provided
buffer and the BufferSize was sufficient to handle the
iSCSI initiator name.
@retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the result. BufferSize will
be updated with the size required to complete the request.
Buffer will not be affected.
@retval EFI_INVALID_PARAMETER BufferSize is NULL. BufferSize and Buffer will not be
affected.
@retval EFI_INVALID_PARAMETER Buffer is NULL. BufferSize and Buffer will not be
affected.
@retval EFI_DEVICE_ERROR The iSCSI initiator name could not be retrieved due to
a hardware error.
**/
EFI_STATUS
EFIAPI
IScsiGetInitiatorName (
IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
);
/**
Sets the iSCSI Initiator Name.
@param This[in] Pointer to the EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
@param BufferSize[in][out] Size of the buffer in bytes pointed to by Buffer.
@param Buffer[out] Pointer to the buffer for data to be written.
@retval EFI_SUCCESS Data was successfully stored by the protocol.
@retval EFI_UNSUPPORTED Platform policies do not allow for data to be written.
@retval EFI_INVALID_PARAMETER BufferSize exceeds the maximum allowed limit.
BufferSize will be updated with the maximum size
required to complete the request.
@retval EFI_INVALID_PARAMETER Buffersize is NULL. BufferSize and Buffer will not be
affected.
@retval EFI_INVALID_PARAMETER Buffer is NULL. BufferSize and Buffer will not be affected.
@retval EFI_DEVICE_ERROR The data could not be stored due to a hardware error.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the data.
@retval EFI_PROTOCOL_ERROR Input iSCSI initiator name does not adhere to RFC 3720.
**/
EFI_STATUS
EFIAPI
IScsiSetInitiatorName (
IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
);
#endif