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/** @file
Implement updatable firmware resource for Fmp Sample
Copyright (c) 2004 - 2016, 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
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 "FmpSample.h"
//
// FmpSample driver private data
//
FMP_SAMPLE_PRIVATE_DATA *mFmpSamplePrivate = NULL;
EFI_FIRMWARE_MANAGEMENT_PROTOCOL mFirmwareManagementProtocol = {
FmpGetImageInfo,
FmpGetImage,
FmpSetImage,
FmpCheckImage,
FmpGetPackageInfo,
FmpSetPackageInfo
};
EFI_STATUS
EFIAPI
FmpSampleMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Initialize LanMacPrivateData
//
mFmpSamplePrivate = AllocateZeroPool (sizeof(FMP_SAMPLE_PRIVATE_DATA));
if (mFmpSamplePrivate == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = InitializePrivateData(mFmpSamplePrivate);
if (EFI_ERROR(Status)) {
FreePool(mFmpSamplePrivate);
mFmpSamplePrivate = NULL;
}
//
// Install FMP protocol.
//
Status = gBS->InstallProtocolInterface (
&mFmpSamplePrivate->Handle,
&gEfiFirmwareManagementProtocolGuid,
EFI_NATIVE_INTERFACE,
&mFmpSamplePrivate->Fmp
);
if (EFI_ERROR (Status)) {
FreePool(mFmpSamplePrivate);
mFmpSamplePrivate = NULL;
return Status;
}
return Status;
}
/**
This is the default unload handle for FmpSample drivers
Update driver does not open virtual handler by driver. So can not use
Disconnect to call DriverBinding stop. Here we directly uninstall FMP
and free resource
@param[in] ImageHandle The drivers' driver image.
@retval EFI_SUCCESS The image is unloaded.
@retval Others Failed to unload the image.
**/
EFI_STATUS
EFIAPI
FmpSampleUnload (
IN EFI_HANDLE ImageHandle
)
{
//
// If the driver has been connected
//
if (mFmpSamplePrivate != NULL) {
//
// Uninstall FMP protocol
//
gBS->UninstallMultipleProtocolInterfaces(
mFmpSamplePrivate->Handle,
&gEfiFirmwareManagementProtocolGuid,
&mFmpSamplePrivate->Fmp,
NULL
);
FreePool(mFmpSamplePrivate);
}
return EFI_SUCCESS;
}
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