/** @file\r
+ Implementation of driver entry point and driver binding protocol.\r
\r
-Copyright (c) 2005 - 2007, Intel Corporation\r
-All rights reserved. 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
+Copyright (c) 2005 - 2008, Intel Corporation. <BR> \r
+All rights reserved. This program and the accompanying materials are licensed \r
+and made available under the terms and conditions of the BSD License which \r
+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
-Module Name:\r
-\r
- MnpDriver.c\r
-\r
-Abstract:\r
-\r
-\r
**/\r
\r
#include "MnpDriver.h"\r
-#include "MnpDebug.h"\r
#include "MnpImpl.h"\r
\r
\r
NULL\r
};\r
\r
-\r
/**\r
- Test to see if this driver supports ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to test.\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
-\r
- @retval EFI_SUCCES This driver supports this device.\r
- @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
- @retval other This driver does not support this device.\r
+ Test to see if this driver supports ControllerHandle. This service\r
+ is called by the EFI boot service ConnectController(). In\r
+ order to make drivers as small as possible, there are a few calling\r
+ restrictions for this service. ConnectController() must\r
+ follow these calling restrictions. If any other agent wishes to call\r
+ Supported() it must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to test\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
+\r
+ @retval EFI_SUCCESS This driver supports this device\r
+ @retval EFI_ALREADY_STARTED This driver is already running on this device\r
+ @retval other This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
+ EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
\r
//\r
// Test to see if MNP is already installed.\r
EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
);\r
if (!EFI_ERROR (Status)) {\r
-\r
return EFI_ALREADY_STARTED;\r
}\r
\r
//\r
- // Test to see if SNP is installed.\r
+ // Test to open the Simple Network protocol BY_DRIVER.\r
//\r
Status = gBS->OpenProtocol (\r
ControllerHandle,\r
&gEfiSimpleNetworkProtocolGuid,\r
- NULL,\r
+ (VOID **) &Snp,\r
This->DriverBindingHandle,\r
ControllerHandle,\r
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
\r
- return Status;\r
-}\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
\r
+ //\r
+ // Close the openned SNP protocol.\r
+ //\r
+ gBS->CloseProtocol (\r
+ ControllerHandle,\r
+ &gEfiSimpleNetworkProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle\r
+ );\r
\r
-/**\r
- Start this driver on ControllerHandle.\r
+ return EFI_SUCCESS;\r
+}\r
\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to bind driver to.\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
\r
- @retval EFI_SUCCES This driver is added to ControllerHandle.\r
- @retval EFI_ALREADY_STARTED This driver is already running on\r
- ControllerHandle.\r
- @retval other This driver does not support this device.\r
+/**\r
+ Start this driver on ControllerHandle. This service is called by the\r
+ EFI boot service ConnectController(). In order to make\r
+ drivers as small as possible, there are a few calling restrictions for\r
+ this service. ConnectController() must follow these\r
+ calling restrictions. If any other agent wishes to call Start() it\r
+ must also follow these calling restrictions.\r
+\r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to bind driver to.\r
+ @param RemainingDevicePath Optional parameter use to pick a specific child\r
+ device to start.\r
+\r
+ @retval EFI_SUCCESS This driver is added to ControllerHandle\r
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
+ @retval other This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
\r
MnpInitialized = FALSE;\r
\r
- MnpServiceData = NetAllocateZeroPool (sizeof (MNP_SERVICE_DATA));\r
+ MnpServiceData = AllocateZeroPool (sizeof (MNP_SERVICE_DATA));\r
if (MnpServiceData == NULL) {\r
- MNP_DEBUG_ERROR (("MnpDriverBindingStart(): Failed to allocate the "\r
- L"Mnp Service Data.\n"));\r
+ DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart(): Failed to allocate the Mnp Service Data.\n"));\r
\r
return EFI_OUT_OF_RESOURCES;\r
}\r
Status = MnpInitializeServiceData (MnpServiceData, This->DriverBindingHandle, ControllerHandle);\r
if (EFI_ERROR (Status)) {\r
\r
- MNP_DEBUG_ERROR (("MnpDriverBindingStart: MnpInitializeServiceData "\r
- L"failed, %r.\n",Status));\r
+ DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart: MnpInitializeServiceData failed, %r.\n",Status));\r
goto ErrorExit;\r
}\r
\r
//\r
// Flush the Mnp Service Data.\r
//\r
- MnpFlushServiceData (MnpServiceData);\r
+ MnpFlushServiceData (MnpServiceData, This->DriverBindingHandle);\r
}\r
\r
- //\r
- // Close the Simple Network Protocol.\r
- //\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
-\r
- NetFreePool (MnpServiceData);\r
+ gBS->FreePool (MnpServiceData);\r
}\r
\r
return Status;\r
}\r
\r
-\r
/**\r
- Stop this driver on ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to stop driver on.\r
- @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r
- of children is zero stop the entire bus driver.\r
- @param ChildHandleBuffer List of Child Handles to Stop.\r
-\r
- @retval EFI_SUCCES This driver is removed ControllerHandle.\r
- @retval other This driver was not removed from this device.\r
+ Stop this driver on ControllerHandle. This service is called by the\r
+ EFI boot service DisconnectController(). In order to\r
+ make drivers as small as possible, there are a few calling\r
+ restrictions for this service. DisconnectController()\r
+ must follow these calling restrictions. If any other agent wishes\r
+ to call Stop() it must also follow these calling restrictions.\r
+ \r
+ @param This Protocol instance pointer.\r
+ @param ControllerHandle Handle of device to stop driver on\r
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
+ children is zero stop the entire bus driver.\r
+ @param ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle\r
+ @retval other This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
);\r
if (EFI_ERROR (Status)) {\r
\r
- MNP_DEBUG_ERROR (\r
- ("MnpDriverBindingStop: Locate MNP Service Binding Protocol failed, %r.\n",\r
+ DEBUG (\r
+ (EFI_D_ERROR,\r
+ "MnpDriverBindingStop: Locate MNP Service Binding Protocol failed, %r.\n",\r
Status)\r
);\r
- goto EXIT;\r
+ return EFI_DEVICE_ERROR;\r
}\r
\r
MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (ServiceBinding);\r
\r
- while (!NetListIsEmpty (&MnpServiceData->ChildrenList)) {\r
+ if (NumberOfChildren == 0) {\r
//\r
- // Don't use NetListRemoveHead here, the remove opreration will be done\r
- // in ServiceBindingDestroyChild.\r
+ // Uninstall the MNP Service Binding Protocol.\r
//\r
- Instance = NET_LIST_HEAD (\r
- &MnpServiceData->ChildrenList,\r
- MNP_INSTANCE_DATA,\r
- InstEntry\r
- );\r
-\r
- ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
- }\r
-\r
- //\r
- // Uninstall the MNP Service Binding Protocol.\r
- //\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- ControllerHandle,\r
- &gEfiManagedNetworkServiceBindingProtocolGuid,\r
- ServiceBinding,\r
- NULL\r
- );\r
- if (EFI_ERROR (Status)) {\r
+ gBS->UninstallMultipleProtocolInterfaces (\r
+ ControllerHandle,\r
+ &gEfiManagedNetworkServiceBindingProtocolGuid,\r
+ ServiceBinding,\r
+ NULL\r
+ );\r
\r
- MNP_DEBUG_ERROR (("MnpDriverBindingStop: Uninstall MNP Service Binding Protocol failed, %r.\n"));\r
- goto EXIT;\r
- }\r
+ //\r
+ // Flush the Mnp service data.\r
+ //\r
+ MnpFlushServiceData (MnpServiceData, This->DriverBindingHandle);\r
\r
- //\r
- // Close the openned Snp protocol.\r
- //\r
- Status = gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
- if (EFI_ERROR (Status)) {\r
+ gBS->FreePool (MnpServiceData);\r
+ } else {\r
+ while (!IsListEmpty (&MnpServiceData->ChildrenList)) {\r
+ //\r
+ // Don't use NetListRemoveHead here, the remove opreration will be done\r
+ // in ServiceBindingDestroyChild.\r
+ //\r
+ Instance = NET_LIST_HEAD (\r
+ &MnpServiceData->ChildrenList,\r
+ MNP_INSTANCE_DATA,\r
+ InstEntry\r
+ );\r
\r
- MNP_DEBUG_ERROR (("MnpDriverBindingStop: Close SNP Protocol failed, %r.\n", Status));\r
- goto EXIT;\r
+ ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
+ }\r
}\r
\r
- //\r
- // Flush the Mnp service data.\r
- //\r
- MnpFlushServiceData (MnpServiceData);\r
-\r
- NetFreePool (MnpServiceData);\r
-\r
-EXIT:\r
-\r
return Status;\r
}\r
\r
not NULL, then the I/O services are added to the\r
existing child handle.\r
\r
- @retval EFI_SUCCES The child handle was created with the I/O\r
- services.\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
- the child.\r
+ @retval EFI_SUCCES The protocol was added to ChildHandle. \r
+ @retval EFI_INVALID_PARAMETER ChildHandle is NULL. \r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to \r
+ create the child.\r
@retval other The child handle was not created.\r
\r
**/\r
EFIAPI\r
MnpServiceBindingCreateChild (\r
IN EFI_SERVICE_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE *ChildHandle\r
+ IN OUT EFI_HANDLE *ChildHandle\r
)\r
{\r
EFI_STATUS Status;\r
//\r
// Allocate buffer for the new instance.\r
//\r
- Instance = NetAllocateZeroPool (sizeof (MNP_INSTANCE_DATA));\r
+ Instance = AllocateZeroPool (sizeof (MNP_INSTANCE_DATA));\r
if (Instance == NULL) {\r
\r
- MNP_DEBUG_ERROR (("MnpServiceBindingCreateChild: Faild to allocate memory for the new instance.\n"));\r
+ DEBUG ((EFI_D_ERROR, "MnpServiceBindingCreateChild: Faild to allocate memory for the new instance.\n"));\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
);\r
if (EFI_ERROR (Status)) {\r
\r
- MNP_DEBUG_ERROR (\r
- ("MnpServiceBindingCreateChild: Failed to install the MNP protocol, %r.\n",\r
+ DEBUG (\r
+ (EFI_D_ERROR,\r
+ "MnpServiceBindingCreateChild: Failed to install the MNP protocol, %r.\n",\r
Status)\r
);\r
goto ErrorExit;\r
//\r
// Add the child instance into ChildrenList.\r
//\r
- OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
- NetListInsertTail (&MnpServiceData->ChildrenList, &Instance->InstEntry);\r
+ InsertTailList (&MnpServiceData->ChildrenList, &Instance->InstEntry);\r
MnpServiceData->ChildrenNumber++;\r
\r
- NET_RESTORE_TPL (OldTpl);\r
+ gBS->RestoreTPL (OldTpl);\r
\r
ErrorExit:\r
\r
);\r
}\r
\r
- NetFreePool (Instance);\r
+ gBS->FreePool (Instance);\r
}\r
\r
return Status;\r
\r
/**\r
Destroys a child handle with a set of I/O services.\r
-\r
- @param This Protocol instance pointer.\r
+ \r
+ The DestroyChild() function does the opposite of CreateChild(). It removes a \r
+ protocol that was installed by CreateChild() from ChildHandle. If the removed \r
+ protocol is the last protocol on ChildHandle, then ChildHandle is destroyed. \r
+ \r
+ @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL \r
+ instance.\r
@param ChildHandle Handle of the child to destroy.\r
\r
- @retval EFI_SUCCES The I/O services were removed from the child\r
- handle.\r
- @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r
- that are being removed.\r
- @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r
- @retval EFI_ACCESS_DENIED The child handle could not be destroyed because\r
- its I/O services are being used.\r
+ @retval EFI_SUCCES The protocol was removed from ChildHandle. \r
+ @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that\r
+ is being removed.\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is not a valid UEFI handle.\r
+ @retval EFI_ACCESS_DENIED The protocol could not be removed from the\r
+ ChildHandle because its services are being\r
+ used.\r
@retval other The child handle was not destroyed.\r
\r
**/\r
);\r
if (EFI_ERROR (Status)) {\r
\r
- MNP_DEBUG_ERROR (\r
- ("MnpServiceBindingDestroyChild: Failed to uninstall the ManagedNetwork protocol, %r.\n",\r
+ DEBUG (\r
+ (EFI_D_ERROR,\r
+ "MnpServiceBindingDestroyChild: Failed to uninstall the ManagedNetwork protocol, %r.\n",\r
Status)\r
);\r
\r
return Status;\r
}\r
\r
- OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
//\r
// Reset the configuration.\r
//\r
// Remove this instance from the ChildrenList.\r
//\r
- NetListRemoveEntry (&Instance->InstEntry);\r
+ RemoveEntryList (&Instance->InstEntry);\r
MnpServiceData->ChildrenNumber--;\r
\r
- NET_RESTORE_TPL (OldTpl);\r
+ gBS->RestoreTPL (OldTpl);\r
\r
- NetFreePool (Instance);\r
+ gBS->FreePool (Instance);\r
\r
return Status;\r
}\r
\r
+/**\r
+ The entry point for Mnp driver which installs the driver binding and component\r
+ name protocol on its ImageHandle.\r
+\r
+ @param ImageHandle The image handle of the driver.\r
+ @param SystemTable The system table.\r
\r
+ @retval EFI_SUCCES The driver binding and component name protocols are \r
+ successfully installed.\r
+ @retval other failed.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpDriverEntryPoint (\r
IN EFI_HANDLE ImageHandle,\r
IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- The entry point for Mnp driver which installs the driver binding and component name\r
- protocol on its ImageHandle.\r
-\r
-Arguments:\r
-\r
- ImageHandle - The image handle of the driver.\r
- SystemTable - The system table.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - If the driver binding and component name protocols are successfully\r
- installed, otherwise if failed.\r
-\r
---*/\r
{\r
return EfiLibInstallDriverBindingComponentName2 (\r
ImageHandle,\r
projects / mirror_edk2.git / blobdiff