+++ /dev/null
-/** @file\r
- EFI Driver Model Library.\r
-\r
- Copyright (c) 2006, Intel Corporation<BR>\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
-\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: UefiDriverModelLib.c\r
-\r
-**/\r
-\r
-\r
-\r
-/**\r
- The constructor function installs the standard EFI Driver Model Protocols.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
- @param[in] SystemTable A pointer to the EFI System Table.\r
-\r
- @retval EFI_SUCCESS The constructor always return EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-UefiDriverModelLibConstructor (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- EFI_HANDLE DriverBindingHandle;\r
- EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r
-\r
- //\r
- // If no Driver Binding Protocols are advertised by the driver then simply return\r
- //\r
- if (_gDriverModelProtocolListEntries == 0) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- //\r
- // Install the first Driver Bindng Protocol onto ImageHandle\r
- //\r
- DriverBindingHandle = ImageHandle;\r
-\r
- //\r
- // See if onle one Driver Binding Protocol is advertised by the driver\r
- //\r
- if (_gDriverModelProtocolListEntries == 1) {\r
- //\r
- // The Driver Binding Protocol must never be NULL\r
- //\r
- ASSERT(_gDriverModelProtocolList[0].DriverBinding != NULL);\r
-\r
- //\r
- // Check for all 8 possible combinations of the ComponentName, DriverConfiguration, and DriverDiagnostics Protocol\r
- // These are all checks against const pointers, so the optimizing compiler will only select one of the\r
- // calls to InstallMultipleProtocolInterfaces()\r
- //\r
- if (_gDriverModelProtocolList[0].DriverDiagnostics == NULL) {\r
- if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- NULL\r
- );\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- NULL\r
- );\r
- }\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- }\r
- }\r
- }\r
-\r
- //\r
- // ASSERT if the call to InstallMultipleProtocolInterfaces() failed\r
- //\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Update the ImageHandle and DriverBindingHandle fields of the Driver Binding Protocol\r
- //\r
- DriverBinding = (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding;\r
- DriverBinding->ImageHandle = ImageHandle;\r
- DriverBinding->DriverBindingHandle = DriverBindingHandle;\r
-\r
- } else {\r
- for (Index = 0; Index < _gDriverModelProtocolListEntries; Index++) {\r
- //\r
- // The Driver Binding Protocol must never be NULL\r
- //\r
- ASSERT(_gDriverModelProtocolList[Index].DriverBinding != NULL);\r
-\r
- //\r
- // Install the Driver Binding Protocol and ASSERT() if the installation fails\r
- //\r
- Status = gBS->InstallProtocolInterface (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Update the ImageHandle and DriverBindingHandle fields of the Driver Binding Protocol\r
- //\r
- DriverBinding = (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding;\r
- DriverBinding->ImageHandle = ImageHandle;\r
- DriverBinding->DriverBindingHandle = DriverBindingHandle;\r
-\r
- //\r
- // If Component Name Protocol is specified then install it and ASSERT() if the installation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_COMPONENT_NAME_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].ComponentName != NULL) {\r
- Status = gBS->InstallProtocolInterface (\r
- &DriverBindingHandle,\r
- &gEfiComponentNameProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[Index].ComponentName\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- //\r
- // If Driver Configuration Protocol is specified then install it and ASSERT() if the installation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_CONFIGURATION_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].DriverConfiguration != NULL) {\r
- Status = gBS->InstallProtocolInterface (\r
- &DriverBindingHandle,\r
- &gEfiDriverConfigurationProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[Index].DriverConfiguration\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- //\r
- // If Driver Diagnostics Protocol is specified then install it and ASSERT() if the installation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_DIAGNOSTICS_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].DriverDiagnostics != NULL) {\r
- Status = gBS->InstallProtocolInterface (\r
- &DriverBindingHandle,\r
- &gEfiDriverDiagnosticsProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[Index].DriverDiagnostics\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- //\r
- // Install subsequent Driver Bindng Protocols onto new handles\r
- //\r
- DriverBindingHandle = NULL;\r
- }\r
- }\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- The destructor function uninstalls the standard EFI Driver Model Protocols.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
- @param[in] SystemTable A pointer to the EFI System Table.\r
-\r
- @retval EFI_SUCCESS The destructor always return EFI_SUCCESS.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-UefiDriverModelLibDestructor (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINTN Index;\r
- EFI_HANDLE DriverBindingHandle;\r
-\r
- //\r
- // If no Driver Binding Protocols are advertised by the driver then simply return\r
- //\r
- if (_gDriverModelProtocolListEntries == 0) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- //\r
- // See if onle one Driver Binding Protocol is advertised by the driver\r
- //\r
- if (_gDriverModelProtocolListEntries == 1) {\r
- //\r
- // The Driver Binding Protocol must never be NULL\r
- //\r
- ASSERT(_gDriverModelProtocolList[0].DriverBinding != NULL);\r
-\r
- //\r
- // Retrieve the DriverBindingHandle from the Driver Binding Protocol\r
- //\r
- DriverBindingHandle = _gDriverModelProtocolList[0].DriverBinding->DriverBindingHandle;\r
-\r
- //\r
- // Check for all 8 possible combinations of the ComponentName, DriverConfiguration, and DriverDiagnostics Protocol\r
- // These are all checks against const pointers, so the optimizing compiler will only select one of the\r
- // calls to InstallMultipleProtocolInterfaces()\r
- //\r
- if (_gDriverModelProtocolList[0].DriverDiagnostics == NULL) {\r
- if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- NULL\r
- );\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- NULL\r
- );\r
- }\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].DriverConfiguration == NULL) {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- }\r
- } else {\r
- if (_gDriverModelProtocolList[0].ComponentName == NULL) {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- } else {\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- &DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid, (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[0].DriverBinding,\r
- &gEfiComponentNameProtocolGuid, (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[0].ComponentName,\r
- &gEfiDriverConfigurationProtocolGuid, (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[0].DriverConfiguration,\r
- &gEfiDriverDiagnosticsProtocolGuid, (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[0].DriverDiagnostics,\r
- NULL\r
- );\r
- }\r
- }\r
- }\r
-\r
- //\r
- // ASSERT if the call to UninstallMultipleProtocolInterfaces() failed\r
- //\r
- ASSERT_EFI_ERROR (Status);\r
- } else {\r
- for (Index = 0; Index < _gDriverModelProtocolListEntries; Index++) {\r
- //\r
- // The Driver Binding Protocol must never be NULL\r
- //\r
- ASSERT(_gDriverModelProtocolList[Index].DriverBinding != NULL);\r
-\r
- //\r
- // Retrieve the DriverBindingHandle from the Driver Binding Protocol\r
- //\r
- DriverBindingHandle = _gDriverModelProtocolList[0].DriverBinding->DriverBindingHandle;\r
-\r
- //\r
- // Uninstall the Driver Binding Protocol and ASSERT() if the installation fails\r
- //\r
- Status = gBS->UninstallProtocolInterface (\r
- DriverBindingHandle,\r
- &gEfiDriverBindingProtocolGuid,\r
- (EFI_DRIVER_BINDING_PROTOCOL *)_gDriverModelProtocolList[Index].DriverBinding\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // If Component Name Protocol is specified then uninstall it and ASSERT() if the uninstallation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_COMPONENT_NAME_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].ComponentName != NULL) {\r
- Status = gBS->UninstallProtocolInterface (\r
- DriverBindingHandle,\r
- &gEfiComponentNameProtocolGuid,\r
- (EFI_COMPONENT_NAME_PROTOCOL *)_gDriverModelProtocolList[Index].ComponentName\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- //\r
- // If Driver Configuration Protocol is specified then uninstall it and ASSERT() if the uninstallation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_CONFIGURATION_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].DriverConfiguration != NULL) {\r
- Status = gBS->UninstallProtocolInterface (\r
- DriverBindingHandle,\r
- &gEfiDriverConfigurationProtocolGuid,\r
- (EFI_DRIVER_CONFIGURATION_PROTOCOL *)_gDriverModelProtocolList[Index].DriverConfiguration\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
-\r
- //\r
- // If Driver Diagnostics Protocol is specified then uninstall it and ASSERT() if the uninstallation fails\r
- //\r
- if ((_gDriverModelProtocolBitmask & UEFI_DRIVER_MODEL_LIBRARY_DRIVER_DIAGNOSTICS_PROTOCOL_ENABLED) != 0) {\r
- if (_gDriverModelProtocolList[Index].DriverDiagnostics != NULL) {\r
- Status = gBS->UninstallProtocolInterface (\r
- DriverBindingHandle,\r
- &gEfiDriverDiagnosticsProtocolGuid,\r
- (EFI_DRIVER_DIAGNOSTICS_PROTOCOL *)_gDriverModelProtocolList[Index].DriverDiagnostics\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- }\r
- }\r
- }\r
- return EFI_SUCCESS;\r
-}\r
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