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/** @file
Provides platform policy services used during a capsule update that uses the
services of the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "CapsuleUpdatePolicyDxe.h"
///
/// Handle for the Capsule Update Policy Protocol
///
EFI_HANDLE mHandle = NULL;
///
/// Capsule Update Policy Protocol instance
///
EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL mCapsuleUpdatePolicy = {
CapsuleUpdatePolicyCheckSystemPower,
CapsuleUpdatePolicyCheckSystemThermal,
CapsuleUpdatePolicyCheckSystemEnvironment,
CapsuleUpdatePolicyIsLowestSupportedVersionCheckRequired,
CapsuleUpdatePolicyIsLockFmpDeviceAtLockEventGuidRequired
};
/**
Determine if the system power state supports a capsule update.
@param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.
@param[out] Good Returns TRUE if system power state supports a capsule
update. Returns FALSE if system power state does not
support a capsule update. Return value is only valid if
return status is EFI_SUCCESS.
@retval EFI_SUCCESS Good parameter has been updated with result.
@retval EFI_INVALID_PARAMETER Good is NULL.
@retval EFI_DEVICE_ERROR System power state can not be determined.
**/
EFI_STATUS
EFIAPI
CapsuleUpdatePolicyCheckSystemPower (
IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,
OUT BOOLEAN *Good
)
{
return CheckSystemPower (Good);
}
/**
Determines if the system thermal state supports a capsule update.
@param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.
@param[out] Good Returns TRUE if system thermal state supports a capsule
update. Returns FALSE if system thermal state does not
support a capsule update. Return value is only valid if
return status is EFI_SUCCESS.
@retval EFI_SUCCESS Good parameter has been updated with result.
@retval EFI_INVALID_PARAMETER Good is NULL.
@retval EFI_DEVICE_ERROR System thermal state can not be determined.
**/
EFI_STATUS
EFIAPI
CapsuleUpdatePolicyCheckSystemThermal (
IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,
OUT BOOLEAN *Good
)
{
return CheckSystemThermal (Good);
}
/**
Determines if the system environment state supports a capsule update.
@param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.
@param[out] Good Returns TRUE if system environment state supports a capsule
update. Returns FALSE if system environment state does not
support a capsule update. Return value is only valid if
return status is EFI_SUCCESS.
@retval EFI_SUCCESS Good parameter has been updated with result.
@retval EFI_INVALID_PARAMETER Good is NULL.
@retval EFI_DEVICE_ERROR System environment state can not be determined.
**/
EFI_STATUS
EFIAPI
CapsuleUpdatePolicyCheckSystemEnvironment (
IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This,
OUT BOOLEAN *Good
)
{
return CheckSystemEnvironment (Good);
}
/**
Determines if the Lowest Supported Version checks should be performed. The
expected result from this function is TRUE. A platform can choose to return
FALSE (e.g. during manufacturing or servicing) to allow a capsule update to a
version below the current Lowest Supported Version.
@param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.
@retval TRUE The lowest supported version check is required.
@retval FALSE Do not perform lowest support version check.
**/
BOOLEAN
EFIAPI
CapsuleUpdatePolicyIsLowestSupportedVersionCheckRequired (
IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This
)
{
return IsLowestSupportedVersionCheckRequired ();
}
/**
Determines if the FMP device should be locked when the event specified by
PcdFmpDeviceLockEventGuid is signaled. The expected result from this function
is TRUE so the FMP device is always locked. A platform can choose to return
FALSE (e.g. during manufacturing) to allow FMP devices to remain unlocked.
@param[in] This A pointer to the EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL instance.
@retval TRUE The FMP device lock action is required at lock event guid.
@retval FALSE Do not perform FMP device lock at lock event guid.
**/
BOOLEAN
EFIAPI
CapsuleUpdatePolicyIsLockFmpDeviceAtLockEventGuidRequired (
IN EDKII_CAPSULE_UPDATE_POLICY_PROTOCOL *This
)
{
return IsLockFmpDeviceAtLockEventGuidRequired ();
}
/**
The user Entry Point for module CapsuleUpdatePolicyDxe. The user code starts
with this function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
CapsuleUpdatePolicyInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEdkiiCapsuleUpdatePolicyProtocolGuid);
Status = gBS->InstallMultipleProtocolInterfaces (
&mHandle,
&gEdkiiCapsuleUpdatePolicyProtocolGuid, &mCapsuleUpdatePolicy,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}
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