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Update dual network stack drivers to produce multiple Driver Binding Protocol.

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Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Ouyang Qian <qian.ouyang@intel.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14315 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
sfu5
2013-04-25 01:33:43 +00:00
parent d0ccf55e34
commit 6879581d2e
10 changed files with 1612 additions and 543 deletions
Download Patch File Download Diff File Expand all files Collapse all files

617
NetworkPkg/IScsiDxe/IScsiDriver.c
View File

@@ -1,7 +1,7 @@
/** @file
The entry point of IScsi driver.
Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2013, 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
@@ -14,10 +14,19 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "IScsiImpl.h"
EFI_DRIVER_BINDING_PROTOCOL gIScsiDriverBinding = {
IScsiDriverBindingSupported,
IScsiDriverBindingStart,
IScsiDriverBindingStop,
EFI_DRIVER_BINDING_PROTOCOL gIScsiIp4DriverBinding = {
IScsiIp4DriverBindingSupported,
IScsiIp4DriverBindingStart,
IScsiIp4DriverBindingStop,
0xa,
NULL,
NULL
};
EFI_DRIVER_BINDING_PROTOCOL gIScsiIp6DriverBinding = {
IScsiIp6DriverBindingSupported,
IScsiIp6DriverBindingStart,
IScsiIp6DriverBindingStop,
0xa,
NULL,
NULL
@@ -28,7 +37,7 @@ EFI_GUID gIScsiV6PrivateGuid = ISCSI_V6_PRIVATE_GUID;
ISCSI_PRIVATE_DATA *mPrivate = NULL;
/**
Tests to see if this driver supports the RemainingDevicePath.
Tests to see if this driver supports the RemainingDevicePath.
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
@@ -67,22 +76,8 @@ IScsiIsDevicePathSupported (
/**
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.
This function checks to see if the driver specified by This supports the device specified by
ControllerHandle. Drivers typically use the device path attached to
ControllerHandle and/or the services from the bus I/O abstraction attached to
ControllerHandle to determine if the driver supports ControllerHandle. This function
may be called many times during platform initialization. In order to reduce boot times, the tests
performed by this function must be very small and take as little time as possible to execute. This
function must not change the state of any hardware devices, and this function must be aware that the
device specified by ControllerHandle may already be managed by the same driver or a
different driver. This function must match its calls to AllocatePages() with FreePages(),
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
Since ControllerHandle may have been previously started by the same driver, if a protocol is
already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
Tests to see if this driver supports a given controller. This is the worker function for
IScsiIp4(6)DriverBindingSupported.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] ControllerHandle The handle of the controller to test. This handle
@@ -95,75 +90,51 @@ IScsiIsDevicePathSupported (
by ControllerHandle and the child controller specified
by RemainingDevicePath are both supported by this
bus driver.
@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
@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 access.
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
IScsiDriverBindingSupported (
IScsiSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL,
IN UINT8 IpVersion
)
{
EFI_STATUS Status;
BOOLEAN IsIscsi4Started;
EFI_GUID *IScsiServiceBindingGuid;
EFI_GUID *TcpServiceBindingGuid;
Status = gBS->OpenProtocol (
ControllerHandle,
&gIScsiV4PrivateGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
IsIscsi4Started = TRUE;
if (IpVersion == IP_VERSION_4) {
IScsiServiceBindingGuid = &gIScsiV4PrivateGuid;
TcpServiceBindingGuid = &gEfiTcp4ServiceBindingProtocolGuid;
} else {
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiTcp4ServiceBindingProtocolGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
Status = IScsiIsDevicePathSupported (RemainingDevicePath);
if (!EFI_ERROR (Status)) {
return EFI_SUCCESS;
}
}
IsIscsi4Started = FALSE;
IScsiServiceBindingGuid = &gIScsiV6PrivateGuid;
TcpServiceBindingGuid = &gEfiTcp6ServiceBindingProtocolGuid;
}
Status = gBS->OpenProtocol (
ControllerHandle,
&gIScsiV6PrivateGuid,
IScsiServiceBindingGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
if (IsIscsi4Started) {
return EFI_ALREADY_STARTED;
}
return EFI_ALREADY_STARTED;
} else {
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiTcp6ServiceBindingProtocolGuid,
TcpServiceBindingGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
@@ -183,13 +154,13 @@ IScsiDriverBindingSupported (
/**
Start to manage the controller. This is the worker function for
IScsiDriverBindingStart.
IScsiIp4(6)DriverBindingStart.
@param[in] Image Handle of the image.
@param[in] ControllerHandle Handle of the controller.
@param[in] IpVersion Ip4 or Ip6
@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
@retval EFI_SUCCES This driver supports this device.
@retval EFI_SUCCES This driver was started.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@retval EFI_INVALID_PARAMETER Any input parameter is invalid.
@retval EFI_NOT_FOUND There is no sufficient information to establish
@@ -777,83 +748,8 @@ ON_ERROR:
}
/**
Starts a device controller or a bus controller.
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[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For a bus driver, if this parameter is NULL, then handles
for all the children of Controller are created by this driver.
If this parameter is not NULL and the first Device Path Node is
not the End of Device Path Node, then only the handle for the
child device specified by the first Device Path Node of
RemainingDevicePath is created by this driver.
If the first Device Path Node of RemainingDevicePath is
the End of Device Path Node, no child handle is created by this
driver.
@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 Others The driver failed to start the device.
**/
EFI_STATUS
EFIAPI
IScsiDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS V4Status;
EFI_STATUS V6Status;
V4Status = IScsiStart (This->DriverBindingHandle, ControllerHandle, IP_VERSION_4);
if (V4Status == EFI_ALREADY_STARTED) {
V4Status = EFI_SUCCESS;
}
V6Status = IScsiStart (This->DriverBindingHandle, ControllerHandle, IP_VERSION_6);
if (V6Status == EFI_ALREADY_STARTED) {
V6Status = EFI_SUCCESS;
}
if (!EFI_ERROR (V4Status) || !EFI_ERROR (V6Status)) {
return EFI_SUCCESS;
} else if (EFI_ERROR (V4Status)) {
return V4Status;
} else {
return V6Status;
}
}
/**
Stops a device controller or a bus controller.
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.
Stops a device controller or a bus controller. This is the worker function for
IScsiIp4(6)DriverBindingStop.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] ControllerHandle A handle to the device being stopped. The handle must
@@ -862,18 +758,20 @@ IScsiDriverBindingStart (
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.
@param[in] IpVersion IP_VERSION_4 or IP_VERSION_6.
@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
IScsiDriverBindingStop (
IScsiStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL,
IN UINT8 IpVersion
)
{
EFI_HANDLE IScsiController;
@@ -911,7 +809,7 @@ IScsiDriverBindingStop (
// the protocol here, but do not uninstall the device path protocol and
// EXT SCSI PASS THRU protocol installed on ExtScsiPassThruHandle.
//
if (!Conn->Ipv6Flag) {
if (IpVersion == IP_VERSION_4) {
ProtocolGuid = &gEfiTcp4ProtocolGuid;
} else {
ProtocolGuid = &gEfiTcp6ProtocolGuid;
@@ -929,18 +827,19 @@ IScsiDriverBindingStop (
//
// Get the handle of the controller we are controling.
//
IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp4ProtocolGuid);
if (IScsiController != NULL) {
if (IpVersion == IP_VERSION_4) {
ProtocolGuid = &gIScsiV4PrivateGuid;
TcpProtocolGuid = &gEfiTcp4ProtocolGuid;
TcpServiceBindingGuid = &gEfiTcp4ServiceBindingProtocolGuid;
} else {
IScsiController = NetLibGetNicHandle (ControllerHandle, &gEfiTcp6ProtocolGuid);
ASSERT (IScsiController != NULL);
ProtocolGuid = &gIScsiV6PrivateGuid;
TcpProtocolGuid = &gEfiTcp6ProtocolGuid;
TcpServiceBindingGuid = &gEfiTcp6ServiceBindingProtocolGuid;
}
IScsiController = NetLibGetNicHandle (ControllerHandle, TcpProtocolGuid);
if (IScsiController == NULL) {
return EFI_SUCCESS;
}
Status = gBS->OpenProtocol (
IScsiController,
@@ -1002,6 +901,315 @@ IScsiDriverBindingStop (
return EFI_SUCCESS;
}
/**
Tests to see if this driver supports a given controller. If a child device is provided,
it tests to see if this driver supports creating a handle for the specified child device.
This function checks to see if the driver specified by This supports the device specified by
ControllerHandle. Drivers typically use the device path attached to
ControllerHandle and/or the services from the bus I/O abstraction attached to
ControllerHandle to determine if the driver supports ControllerHandle. This function
may be called many times during platform initialization. In order to reduce boot times, the tests
performed by this function must be very small and take as little time as possible to execute. This
function must not change the state of any hardware devices, and this function must be aware that the
device specified by ControllerHandle may already be managed by the same driver or a
different driver. This function must match its calls to AllocatePages() with FreePages(),
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
Since ControllerHandle may have been previously started by the same driver, if a protocol is
already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For bus drivers, if this parameter is not NULL, then
the bus driver must determine if the bus controller specified
by ControllerHandle and the child controller specified
by RemainingDevicePath are both supported by this
bus driver.
@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 managed by the driver
specified by This.
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
RemainingDevicePath is already managed by a different
driver or an application that requires exclusive access.
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
IScsiIp4DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
return IScsiSupported (
This,
ControllerHandle,
RemainingDevicePath,
IP_VERSION_4
);
}
/**
Starts a device controller or a bus controller.
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[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For a bus driver, if this parameter is NULL, then handles
for all the children of Controller are created by this driver.
If this parameter is not NULL and the first Device Path Node is
not the End of Device Path Node, then only the handle for the
child device specified by the first Device Path Node of
RemainingDevicePath is created by this driver.
If the first Device Path Node of RemainingDevicePath is
the End of Device Path Node, no child handle is created by this
driver.
@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 Others The driver failed to start the device.
**/
EFI_STATUS
EFIAPI
IScsiIp4DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
Status = IScsiStart (This->DriverBindingHandle, ControllerHandle, IP_VERSION_4);
if (Status == EFI_ALREADY_STARTED) {
Status = EFI_SUCCESS;
}
return Status;
}
/**
Stops a device controller or a bus controller.
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[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.
@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
IScsiIp4DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
{
return IScsiStop (
This,
ControllerHandle,
NumberOfChildren,
ChildHandleBuffer,
IP_VERSION_4
);
}
/**
Tests to see if this driver supports a given controller. If a child device is provided,
it tests to see if this driver supports creating a handle for the specified child device.
This function checks to see if the driver specified by This supports the device specified by
ControllerHandle. Drivers typically use the device path attached to
ControllerHandle and/or the services from the bus I/O abstraction attached to
ControllerHandle to determine if the driver supports ControllerHandle. This function
may be called many times during platform initialization. In order to reduce boot times, the tests
performed by this function must be very small and take as little time as possible to execute. This
function must not change the state of any hardware devices, and this function must be aware that the
device specified by ControllerHandle may already be managed by the same driver or a
different driver. This function must match its calls to AllocatePages() with FreePages(),
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
Since ControllerHandle may have been previously started by the same driver, if a protocol is
already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For bus drivers, if this parameter is not NULL, then
the bus driver must determine if the bus controller specified
by ControllerHandle and the child controller specified
by RemainingDevicePath are both supported by this
bus driver.
@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 managed by the driver
specified by This.
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
RemainingDevicePath is already managed by a different
driver or an application that requires exclusive access.
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
IScsiIp6DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
return IScsiSupported (
This,
ControllerHandle,
RemainingDevicePath,
IP_VERSION_6
);
}
/**
Starts a device controller or a bus controller.
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[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For a bus driver, if this parameter is NULL, then handles
for all the children of Controller are created by this driver.
If this parameter is not NULL and the first Device Path Node is
not the End of Device Path Node, then only the handle for the
child device specified by the first Device Path Node of
RemainingDevicePath is created by this driver.
If the first Device Path Node of RemainingDevicePath is
the End of Device Path Node, no child handle is created by this
driver.
@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 Others The driver failed to start the device.
**/
EFI_STATUS
EFIAPI
IScsiIp6DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
Status = IScsiStart (This->DriverBindingHandle, ControllerHandle, IP_VERSION_6);
if (Status == EFI_ALREADY_STARTED) {
Status = EFI_SUCCESS;
}
return Status;
}
/**
Stops a device controller or a bus controller.
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[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] 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[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.
@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
IScsiIp6DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
{
return IScsiStop (
This,
ControllerHandle,
NumberOfChildren,
ChildHandleBuffer,
IP_VERSION_6
);
}
/**
Unload the iSCSI driver.
@@ -1033,23 +1241,27 @@ IScsiUnload (
&DeviceHandleCount,
&DeviceHandleBuffer
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < DeviceHandleCount; Index++) {
Status = gBS->DisconnectController (
DeviceHandleBuffer[Index],
ImageHandle,
NULL
);
}
if (DeviceHandleBuffer != NULL) {
FreePool (DeviceHandleBuffer);
}
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < DeviceHandleCount; Index++) {
gBS->DisconnectController (
DeviceHandleBuffer[Index],
gIScsiIp4DriverBinding.DriverBindingHandle,
NULL
);
gBS->DisconnectController (
DeviceHandleBuffer[Index],
gIScsiIp6DriverBinding.DriverBindingHandle,
NULL
);
}
//
// Unload the iSCSI configuration form.
//
IScsiConfigFormUnload (gIScsiDriverBinding.DriverBindingHandle);
IScsiConfigFormUnload (gIScsiIp4DriverBinding.DriverBindingHandle);
//
// Uninstall the protocols installed by iSCSI driver.
@@ -1066,18 +1278,31 @@ IScsiUnload (
gIScsiControllerNameTable = NULL;
}
return gBS->UninstallMultipleProtocolInterfaces (
ImageHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiDriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
&gEfiIScsiInitiatorNameProtocolGuid,
&gIScsiInitiatorName,
NULL
);
gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp4DriverBinding.DriverBindingHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiIp4DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
&gEfiIScsiInitiatorNameProtocolGuid,
&gIScsiInitiatorName,
NULL
);
gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiIp6DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
NULL
);
return EFI_SUCCESS;
}
/**
@@ -1125,7 +1350,7 @@ IScsiDriverEntryPoint (
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gIScsiDriverBinding,
&gIScsiIp4DriverBinding,
ImageHandle,
&gIScsiComponentName,
&gIScsiComponentName2
@@ -1134,6 +1359,18 @@ IScsiDriverEntryPoint (
return Status;
}
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gIScsiIp6DriverBinding,
NULL,
&gIScsiComponentName,
&gIScsiComponentName2
);
if (EFI_ERROR (Status)) {
goto Error1;
}
//
// Install the iSCSI Initiator Name Protocol.
//
@@ -1144,7 +1381,7 @@ IScsiDriverEntryPoint (
&gIScsiInitiatorName
);
if (EFI_ERROR (Status)) {
goto Error1;
goto Error2;
}
//
@@ -1153,7 +1390,7 @@ IScsiDriverEntryPoint (
mPrivate = AllocateZeroPool (sizeof (ISCSI_PRIVATE_DATA));
if (mPrivate == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error2;
goto Error3;
}
InitializeListHead (&mPrivate->NicInfoList);
@@ -1162,9 +1399,9 @@ IScsiDriverEntryPoint (
//
// Initialize the configuration form of iSCSI.
//
Status = IScsiConfigFormInit (gIScsiDriverBinding.DriverBindingHandle);
Status = IScsiConfigFormInit (gIScsiIp4DriverBinding.DriverBindingHandle);
if (EFI_ERROR (Status)) {
goto Error3;
goto Error4;
}
//
@@ -1184,19 +1421,19 @@ IScsiDriverEntryPoint (
&gIScsiAuthenticationInfo
);
if (EFI_ERROR (Status)) {
goto Error4;
goto Error5;
}
}
return EFI_SUCCESS;
Error4:
IScsiConfigFormUnload (gIScsiDriverBinding.DriverBindingHandle);
Error5:
IScsiConfigFormUnload (gIScsiIp4DriverBinding.DriverBindingHandle);
Error3:
Error4:
FreePool (mPrivate);
Error2:
Error3:
gBS->UninstallMultipleProtocolInterfaces (
ImageHandle,
&gEfiIScsiInitiatorNameProtocolGuid,
@@ -1204,11 +1441,23 @@ Error2:
NULL
);
Error2:
gBS->UninstallMultipleProtocolInterfaces (
gIScsiIp6DriverBinding.DriverBindingHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiIp6DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,
&gIScsiComponentName,
NULL
);
Error1:
gBS->UninstallMultipleProtocolInterfaces (
ImageHandle,
&gEfiDriverBindingProtocolGuid,
&gIScsiDriverBinding,
&gIScsiIp4DriverBinding,
&gEfiComponentName2ProtocolGuid,
&gIScsiComponentName2,
&gEfiComponentNameProtocolGuid,