diff options
Diffstat (limited to 'roms/edk2/NetworkPkg/VlanConfigDxe/VlanConfigDriver.c')
| -rw-r--r-- | roms/edk2/NetworkPkg/VlanConfigDxe/VlanConfigDriver.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/roms/edk2/NetworkPkg/VlanConfigDxe/VlanConfigDriver.c b/roms/edk2/NetworkPkg/VlanConfigDxe/VlanConfigDriver.c new file mode 100644 index 000000000..ae636b763 --- /dev/null +++ b/roms/edk2/NetworkPkg/VlanConfigDxe/VlanConfigDriver.c @@ -0,0 +1,299 @@ +/** @file
+ The driver binding for VLAN configuration module.
+
+Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "VlanConfigImpl.h"
+
+EFI_DRIVER_BINDING_PROTOCOL gVlanConfigDriverBinding = {
+ VlanConfigDriverBindingSupported,
+ VlanConfigDriverBindingStart,
+ VlanConfigDriverBindingStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+/**
+ The entry point for IP4 config driver which install the driver
+ binding and component name protocol on its image.
+
+ @param[in] ImageHandle The image handle of the driver.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_SUCCESS All the related protocols are installed on the driver.
+ @retval Others Failed to install protocols.
+
+**/
+EFI_STATUS
+EFIAPI
+VlanConfigDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ return EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gVlanConfigDriverBinding,
+ ImageHandle,
+ &gVlanConfigComponentName,
+ &gVlanConfigComponentName2
+ );
+}
+
+
+/**
+ Test to see if this driver supports ControllerHandle.
+
+ @param[in] This Protocol instance pointer.
+ @param[in] ControllerHandle Handle of device to test
+ @param[in] RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device
+ @retval EFI_ALREADY_STARTED This driver is already running on this device
+ @retval other This driver does not support this device
+
+**/
+EFI_STATUS
+EFIAPI
+VlanConfigDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
+
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiVlanConfigProtocolGuid,
+ (VOID **) &VlanConfig,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Close the VlanConfig protocol opened for supported test
+ //
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiVlanConfigProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ return Status;
+}
+
+
+/**
+ Start this driver on ControllerHandle.
+
+ @param[in] This Protocol instance pointer.
+ @param[in] ControllerHandle Handle of device to bind driver to
+ @param[in] RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
+ @retval other This driver does not support this device
+
+**/
+EFI_STATUS
+EFIAPI
+VlanConfigDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ VLAN_CONFIG_PRIVATE_DATA *PrivateData;
+
+ //
+ // Check for multiple start
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiCallerIdGuid,
+ (VOID **) &PrivateData,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ return EFI_ALREADY_STARTED;
+ }
+
+ //
+ // Open VlanConfig protocol by driver
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiVlanConfigProtocolGuid,
+ (VOID **) &VlanConfig,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Get parent device path
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ //
+ // Create a private data for this network device
+ //
+ PrivateData = AllocateCopyPool (sizeof (VLAN_CONFIG_PRIVATE_DATA), &mVlanConfigPrivateDateTemplate);
+ if (PrivateData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ PrivateData->ImageHandle = This->DriverBindingHandle;
+ PrivateData->ControllerHandle = ControllerHandle;
+ PrivateData->VlanConfig = VlanConfig;
+ PrivateData->ParentDevicePath = DevicePath;
+
+ //
+ // Install VLAN configuration form
+ //
+ Status = InstallVlanConfigForm (PrivateData);
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ //
+ // Install private GUID
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &ControllerHandle,
+ &gEfiCallerIdGuid,
+ PrivateData,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+ return Status;
+
+ErrorExit:
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiVlanConfigProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+
+ if (PrivateData != NULL) {
+ UninstallVlanConfigForm (PrivateData);
+ FreePool (PrivateData);
+ }
+
+ return Status;
+}
+
+
+/**
+ Stop this driver on ControllerHandle.
+
+ @param[in] This Protocol instance pointer.
+ @param[in] ControllerHandle Handle of device to stop driver on
+ @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number
+ of children is zero stop the entire bus driver.
+ @param[in] ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed ControllerHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+VlanConfigDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ VLAN_CONFIG_PRIVATE_DATA *PrivateData;
+
+ //
+ // Retrieve the PrivateData from ControllerHandle
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiCallerIdGuid,
+ (VOID **) &PrivateData,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ ASSERT (PrivateData->Signature == VLAN_CONFIG_PRIVATE_DATA_SIGNATURE);
+
+ if (NumberOfChildren != 0) {
+ if (NumberOfChildren != 1 || ChildHandleBuffer[0] != PrivateData->DriverHandle) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return UninstallVlanConfigForm (PrivateData);
+ }
+
+ //
+ // Uninstall the private GUID
+ //
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ ControllerHandle,
+ &gEfiCallerIdGuid,
+ PrivateData,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiVlanConfigProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+ return Status;
+}
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