diff options
Diffstat (limited to 'StdLib/SocketDxe/EntryUnload.c')
| -rw-r--r-- | StdLib/SocketDxe/EntryUnload.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/StdLib/SocketDxe/EntryUnload.c b/StdLib/SocketDxe/EntryUnload.c new file mode 100644 index 0000000000..6afd8e6b48 --- /dev/null +++ b/StdLib/SocketDxe/EntryUnload.c @@ -0,0 +1,296 @@ +/** @file
+ Implement the entry and unload for the socket driver.
+
+ Copyright (c) 2011, Intel Corporation
+ 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
+ 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.
+
+**/
+
+#include "Socket.h"
+
+
+CONST EFI_GUID mEslRawServiceGuid = {
+ 0xf9f5d280, 0x8a4b, 0x48e2, { 0x96, 0x28, 0xda, 0xfa, 0xa7, 0x70, 0x54, 0x5d }
+};
+
+CONST EFI_GUID mEslTcp4ServiceGuid = {
+ 0x4dcaab0a, 0x1990, 0x4352, { 0x8d, 0x2f, 0x2d, 0x8f, 0x13, 0x55, 0x98, 0xa5 }
+};
+
+CONST EFI_GUID mEslUdp4ServiceGuid = {
+ 0x43a110ce, 0x9ccd, 0x402b, { 0x8c, 0x29, 0x4a, 0x6d, 0x8a, 0xf7, 0x79, 0x90 }
+};
+
+
+/**
+ Socket driver unload routine.
+
+ @param [in] ImageHandle Handle for the image.
+
+ @retval EFI_SUCCESS Image may be unloaded
+
+**/
+EFI_STATUS
+EFIAPI
+DriverUnload (
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ UINTN BufferSize;
+ UINTN Index;
+ UINTN Max;
+ EFI_HANDLE * pHandle;
+ EFI_STATUS Status;
+
+ //
+ // Determine which devices are using this driver
+ //
+ BufferSize = 0;
+ pHandle = NULL;
+ Status = gBS->LocateHandle (
+ ByProtocol,
+ &gEfiCallerIdGuid,
+ NULL,
+ &BufferSize,
+ NULL );
+ if ( EFI_BUFFER_TOO_SMALL == Status ) {
+ for ( ; ; ) {
+ //
+ // One or more block IO devices are present
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ BufferSize,
+ (VOID **) &pHandle
+ );
+ if ( EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Insufficient memory, failed handle buffer allocation\r\n" ));
+ break;
+ }
+
+ //
+ // Locate the block IO devices
+ //
+ Status = gBS->LocateHandle (
+ ByProtocol,
+ &gEfiCallerIdGuid,
+ NULL,
+ &BufferSize,
+ pHandle );
+ if ( EFI_ERROR ( Status )) {
+ //
+ // Error getting handles
+ //
+ DEBUG (( DEBUG_ERROR | DEBUG_INIT | DEBUG_INFO,
+ "Failure getting Telnet handles\r\n" ));
+ break;
+ }
+
+ //
+ // Remove any use of the driver
+ //
+ Max = BufferSize / sizeof ( pHandle[ 0 ]);
+ for ( Index = 0; Max > Index; Index++ ) {
+ Status = DriverStop ( &gDriverBinding,
+ pHandle[ Index ],
+ 0,
+ NULL );
+ if ( EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_WARN | DEBUG_INIT | DEBUG_INFO,
+ "WARNING - Failed to shutdown the driver on handle %08x\r\n", pHandle[ Index ]));
+ break;
+ }
+ }
+ break;
+ }
+ }
+ else {
+ if ( EFI_NOT_FOUND == Status ) {
+ //
+ // No devices were found
+ //
+ Status = EFI_SUCCESS;
+ }
+ }
+
+ //
+ // Free the handle array
+ //
+ if ( NULL != pHandle ) {
+ gBS->FreePool ( pHandle );
+ }
+
+ //
+ // Done with the socket layer
+ //
+ if ( !EFI_ERROR ( Status )) {
+ Status = EslServiceUninstall ( ImageHandle );
+ if ( !EFI_ERROR ( Status )) {
+ //
+ // Remove the protocols installed by the EntryPoint routine.
+ //
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ ImageHandle,
+ &gEfiDriverBindingProtocolGuid,
+ &gDriverBinding,
+ &gEfiComponentNameProtocolGuid,
+ &gComponentName,
+ &gEfiComponentName2ProtocolGuid,
+ &gComponentName2,
+ NULL
+ );
+ if ( !EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiComponentName2ProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiComponentNameProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiDriverBindingProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL | DEBUG_INIT,
+ "ERROR - Failed to remove gEfiDriverBindingProtocolGuid from 0x%08x, Status: %r\r\n",
+ ImageHandle,
+ Status ));
+ }
+ }
+ }
+
+ //
+ // Disconnect the network services
+ //
+ if ( !EFI_ERROR ( Status )) {
+ EslServiceUnload ( );
+ }
+
+ //
+ // Return the unload status
+ //
+ return Status;
+}
+
+
+/**
+Socket driver entry point.
+
+@param [in] ImageHandle Handle for the image.
+@param [in] pSystemTable Address of the system table.
+
+@retval EFI_SUCCESS Image successfully loaded.
+
+**/
+EFI_STATUS
+EFIAPI
+EntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE * pSystemTable
+ )
+{
+ EFI_LOADED_IMAGE_PROTOCOL * pLoadedImage;
+ EFI_STATUS Status;
+
+ DBG_ENTER ( );
+
+ //
+ // Display the image handle
+ //
+ DEBUG (( DEBUG_INFO,
+ "ImageHandle: 0x%08x\r\n",
+ ImageHandle ));
+
+ //
+ // Enable unload support
+ //
+ Status = gBS->HandleProtocol (
+ gImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **)&pLoadedImage
+ );
+ if (!EFI_ERROR (Status)) {
+ pLoadedImage->Unload = DriverUnload;
+
+ //
+ // Add the driver to the list of drivers
+ //
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ pSystemTable,
+ &gDriverBinding,
+ ImageHandle,
+ &gComponentName,
+ &gComponentName2
+ );
+ if ( !EFI_ERROR ( Status )) {
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Installed: gEfiDriverBindingProtocolGuid on 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Installed: gEfiComponentNameProtocolGuid on 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Installed: gEfiComponentName2ProtocolGuid on 0x%08x\r\n",
+ ImageHandle ));
+
+ //
+ // Initialize the service layer
+ //
+ EslServiceLoad ( ImageHandle );
+
+ //
+ // Make the socket serivces available to other drivers
+ // and applications
+ //
+ Status = EslServiceInstall ( &ImageHandle );
+ if ( EFI_ERROR ( Status )) {
+ //
+ // Disconnect from the network
+ //
+ EslServiceUnload ( );
+
+ //
+ // Remove the driver bindings
+ //
+ gBS->UninstallMultipleProtocolInterfaces (
+ ImageHandle,
+ &gEfiDriverBindingProtocolGuid,
+ &gDriverBinding,
+ &gEfiComponentNameProtocolGuid,
+ &gComponentName,
+ &gEfiComponentName2ProtocolGuid,
+ &gComponentName2,
+ NULL
+ );
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiComponentName2ProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiComponentNameProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ DEBUG (( DEBUG_POOL | DEBUG_INIT | DEBUG_INFO,
+ "Removed: gEfiDriverBindingProtocolGuid from 0x%08x\r\n",
+ ImageHandle ));
+ }
+ }
+ else {
+ DEBUG (( DEBUG_ERROR | DEBUG_POOL | DEBUG_INIT,
+ "ERROR - EfiLibInstallDriverBindingComponentName2 failed, Status: %r\r\n",
+ Status ));
+ }
+ }
+ DBG_EXIT_STATUS ( Status );
+ return Status;
+}
+
+
+PFN_ESL_xSTRUCTOR mpfnEslConstructor = NULL;
+PFN_ESL_xSTRUCTOR mpfnEslDestructor = NULL;
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