mirror of https://github.com/acidanthera/audk.git
646 lines
28 KiB
C
646 lines
28 KiB
C
/** @file
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Provides firmware device specific services to support updates of a firmware
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image stored in a firmware device.
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Copyright (c) Microsoft Corporation.<BR>
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Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include <Guid/SystemResourceTable.h>
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#include <Library/FmpDeviceLib.h>
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/**
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Provide a function to install the Firmware Management Protocol instance onto a
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device handle when the device is managed by a driver that follows the UEFI
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Driver Model. If the device is not managed by a driver that follows the UEFI
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Driver Model, then EFI_UNSUPPORTED is returned.
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@param[in] FmpInstaller Function that installs the Firmware Management
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Protocol.
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@retval EFI_SUCCESS The device is managed by a driver that follows the
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UEFI Driver Model. FmpInstaller must be called on
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each Driver Binding Start().
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@retval EFI_UNSUPPORTED The device is not managed by a driver that follows
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the UEFI Driver Model.
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@retval other The Firmware Management Protocol for this firmware
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device is not installed. The firmware device is
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still locked using FmpDeviceLock().
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**/
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EFI_STATUS
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EFIAPI
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RegisterFmpInstaller (
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IN FMP_DEVICE_LIB_REGISTER_FMP_INSTALLER Function
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Provide a function to uninstall the Firmware Management Protocol instance from a
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device handle when the device is managed by a driver that follows the UEFI
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Driver Model. If the device is not managed by a driver that follows the UEFI
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Driver Model, then EFI_UNSUPPORTED is returned.
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@param[in] FmpUninstaller Function that installs the Firmware Management
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Protocol.
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@retval EFI_SUCCESS The device is managed by a driver that follows the
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UEFI Driver Model. FmpUninstaller must be called on
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each Driver Binding Stop().
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@retval EFI_UNSUPPORTED The device is not managed by a driver that follows
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the UEFI Driver Model.
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@retval other The Firmware Management Protocol for this firmware
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device is not installed. The firmware device is
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still locked using FmpDeviceLock().
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**/
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EFI_STATUS
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EFIAPI
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RegisterFmpUninstaller (
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IN FMP_DEVICE_LIB_REGISTER_FMP_UNINSTALLER Function
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Set the device context for the FmpDeviceLib services when the device is
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managed by a driver that follows the UEFI Driver Model. If the device is not
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managed by a driver that follows the UEFI Driver Model, then EFI_UNSUPPORTED
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is returned. Once a device context is set, the FmpDeviceLib services
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operate on the currently set device context.
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@param[in] Handle Device handle for the FmpDeviceLib services.
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If Handle is NULL, then Context is freed.
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@param[in, out] Context Device context for the FmpDeviceLib services.
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If Context is NULL, then a new context is allocated
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for Handle and the current device context is set and
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returned in Context. If Context is not NULL, then
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the current device context is set.
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@retval EFI_SUCCESS The device is managed by a driver that follows the
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UEFI Driver Model.
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@retval EFI_UNSUPPORTED The device is not managed by a driver that follows
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the UEFI Driver Model.
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@retval other The Firmware Management Protocol for this firmware
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device is not installed. The firmware device is
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still locked using FmpDeviceLock().
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceSetContext (
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IN EFI_HANDLE Handle,
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IN OUT VOID **Context
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Returns the size, in bytes, of the firmware image currently stored in the
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firmware device. This function is used to by the GetImage() and
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GetImageInfo() services of the Firmware Management Protocol. If the image
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size can not be determined from the firmware device, then 0 must be returned.
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@param[out] Size Pointer to the size, in bytes, of the firmware image
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currently stored in the firmware device.
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@retval EFI_SUCCESS The size of the firmware image currently
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stored in the firmware device was returned.
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@retval EFI_INVALID_PARAMETER Size is NULL.
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@retval EFI_UNSUPPORTED The firmware device does not support reporting
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the size of the currently stored firmware image.
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@retval EFI_DEVICE_ERROR An error occurred attempting to determine the
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size of the firmware image currently stored in
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in the firmware device.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetSize (
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OUT UINTN *Size
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)
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{
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if (Size == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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*Size = 0;
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return EFI_SUCCESS;
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}
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/**
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Returns the GUID value used to fill in the ImageTypeId field of the
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EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
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service of the Firmware Management Protocol. If EFI_UNSUPPORTED is returned,
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then the ImageTypeId field is set to gEfiCallerIdGuid. If EFI_SUCCESS is
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returned, then ImageTypeId is set to the Guid returned from this function.
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@param[out] Guid Double pointer to a GUID value that is updated to point to
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to a GUID value. The GUID value is not allocated and must
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not be modified or freed by the caller.
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@retval EFI_SUCCESS EFI_FIRMWARE_IMAGE_DESCRIPTOR ImageTypeId GUID is set
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to the returned Guid value.
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@retval EFI_UNSUPPORTED EFI_FIRMWARE_IMAGE_DESCRIPTOR ImageTypeId GUID is set
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to gEfiCallerIdGuid.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetImageTypeIdGuidPtr (
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OUT EFI_GUID **Guid
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Returns values used to fill in the AttributesSupported and AttributesSettings
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fields of the EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the
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GetImageInfo() service of the Firmware Management Protocol. The following
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bit values from the Firmware Management Protocol may be combined:
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IMAGE_ATTRIBUTE_IMAGE_UPDATABLE
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IMAGE_ATTRIBUTE_RESET_REQUIRED
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IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED
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IMAGE_ATTRIBUTE_IN_USE
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IMAGE_ATTRIBUTE_UEFI_IMAGE
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@param[out] Supported Attributes supported by this firmware device.
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@param[out] Setting Attributes settings for this firmware device.
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@retval EFI_SUCCESS The attributes supported by the firmware
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device were returned.
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@retval EFI_INVALID_PARAMETER Supported is NULL.
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@retval EFI_INVALID_PARAMETER Setting is NULL.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetAttributes (
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OUT UINT64 *Supported,
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OUT UINT64 *Setting
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)
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{
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if ((Supported == NULL) || (Setting == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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*Supported = 0;
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*Setting = 0;
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return EFI_SUCCESS;
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}
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/**
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Returns the value used to fill in the LowestSupportedVersion field of the
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EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
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service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then
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the firmware device supports a method to report the LowestSupportedVersion
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value from the currently stored firmware image. If the value can not be
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reported for the firmware image currently stored in the firmware device, then
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EFI_UNSUPPORTED must be returned. EFI_DEVICE_ERROR is returned if an error
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occurs attempting to retrieve the LowestSupportedVersion value for the
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currently stored firmware image.
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@note It is recommended that all firmware devices support a method to report
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the LowestSupportedVersion value from the currently stored firmware
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image.
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@param[out] LowestSupportedVersion LowestSupportedVersion value retrieved
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from the currently stored firmware image.
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@retval EFI_SUCCESS The lowest supported version of currently stored
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firmware image was returned in LowestSupportedVersion.
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@retval EFI_UNSUPPORTED The firmware device does not support a method to
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report the lowest supported version of the currently
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stored firmware image.
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@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the lowest
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supported version of the currently stored firmware
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image.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetLowestSupportedVersion (
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OUT UINT32 *LowestSupportedVersion
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Returns the Null-terminated Unicode string that is used to fill in the
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VersionName field of the EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is
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returned by the GetImageInfo() service of the Firmware Management Protocol.
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The returned string must be allocated using EFI_BOOT_SERVICES.AllocatePool().
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@note It is recommended that all firmware devices support a method to report
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the VersionName string from the currently stored firmware image.
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@param[out] VersionString The version string retrieved from the currently
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stored firmware image.
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@retval EFI_SUCCESS The version string of currently stored
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firmware image was returned in Version.
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@retval EFI_INVALID_PARAMETER VersionString is NULL.
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@retval EFI_UNSUPPORTED The firmware device does not support a method
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to report the version string of the currently
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stored firmware image.
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@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the
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version string of the currently stored
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firmware image.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the
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buffer for the version string of the currently
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stored firmware image.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetVersionString (
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OUT CHAR16 **VersionString
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)
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{
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if (VersionString == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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*VersionString = NULL;
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return EFI_UNSUPPORTED;
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}
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/**
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Returns the value used to fill in the Version field of the
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EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
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service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then
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the firmware device supports a method to report the Version value from the
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currently stored firmware image. If the value can not be reported for the
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firmware image currently stored in the firmware device, then EFI_UNSUPPORTED
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must be returned. EFI_DEVICE_ERROR is returned if an error occurs attempting
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to retrieve the LowestSupportedVersion value for the currently stored firmware
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image.
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@note It is recommended that all firmware devices support a method to report
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the Version value from the currently stored firmware image.
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@param[out] Version The version value retrieved from the currently stored
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firmware image.
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@retval EFI_SUCCESS The version of currently stored firmware image was
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returned in Version.
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@retval EFI_UNSUPPORTED The firmware device does not support a method to
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report the version of the currently stored firmware
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image.
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@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the version
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of the currently stored firmware image.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetVersion (
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OUT UINT32 *Version
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Returns the value used to fill in the HardwareInstance field of the
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EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
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service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then
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the firmware device supports a method to report the HardwareInstance value.
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If the value can not be reported for the firmware device, then EFI_UNSUPPORTED
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must be returned. EFI_DEVICE_ERROR is returned if an error occurs attempting
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to retrieve the HardwareInstance value for the firmware device.
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@param[out] HardwareInstance The hardware instance value for the firmware
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device.
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@retval EFI_SUCCESS The hardware instance for the current firmware
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device is returned in HardwareInstance.
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@retval EFI_UNSUPPORTED The firmware device does not support a method to
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report the hardware instance value.
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@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the hardware
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instance value.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetHardwareInstance (
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OUT UINT64 *HardwareInstance
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Returns a copy of the firmware image currently stored in the firmware device.
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@note It is recommended that all firmware devices support a method to retrieve
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a copy currently stored firmware image. This can be used to support
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features such as recovery and rollback.
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@param[out] Image Pointer to a caller allocated buffer where the
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currently stored firmware image is copied to.
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@param[in, out] ImageSize Pointer the size, in bytes, of the Image buffer.
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On return, points to the size, in bytes, of firmware
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image currently stored in the firmware device.
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@retval EFI_SUCCESS Image contains a copy of the firmware image
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currently stored in the firmware device, and
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ImageSize contains the size, in bytes, of the
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firmware image currently stored in the
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firmware device.
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@retval EFI_BUFFER_TOO_SMALL The buffer specified by ImageSize is too small
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to hold the firmware image currently stored in
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the firmware device. The buffer size required
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is returned in ImageSize.
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@retval EFI_INVALID_PARAMETER The Image is NULL.
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@retval EFI_INVALID_PARAMETER The ImageSize is NULL.
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@retval EFI_UNSUPPORTED The operation is not supported.
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@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the
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firmware image currently stored in the firmware
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device.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceGetImage (
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OUT VOID *Image,
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IN OUT UINTN *ImageSize
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)
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{
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return EFI_UNSUPPORTED;
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}
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/**
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Checks if a new firmware image is valid for the firmware device. This
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function allows firmware update operation to validate the firmware image
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before FmpDeviceSetImage() is called.
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@param[in] Image Points to a new firmware image.
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@param[in] ImageSize Size, in bytes, of a new firmware image.
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@param[out] ImageUpdatable Indicates if a new firmware image is valid for
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a firmware update to the firmware device. The
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following values from the Firmware Management
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Protocol are supported:
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IMAGE_UPDATABLE_VALID
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IMAGE_UPDATABLE_INVALID
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IMAGE_UPDATABLE_INVALID_TYPE
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IMAGE_UPDATABLE_INVALID_OLD
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IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE
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@retval EFI_SUCCESS The image was successfully checked. Additional
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status information is returned in
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ImageUpdatable.
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@retval EFI_INVALID_PARAMETER Image is NULL.
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@retval EFI_INVALID_PARAMETER ImageUpdatable is NULL.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceCheckImage (
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IN CONST VOID *Image,
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IN UINTN ImageSize,
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OUT UINT32 *ImageUpdatable
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)
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{
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UINT32 LastAttemptStatus;
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return FmpDeviceCheckImageWithStatus (Image, ImageSize, ImageUpdatable, &LastAttemptStatus);
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}
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/**
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Checks if a new firmware image is valid for the firmware device. This
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function allows firmware update operation to validate the firmware image
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before FmpDeviceSetImage() is called.
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@param[in] Image Points to a new firmware image.
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@param[in] ImageSize Size, in bytes, of a new firmware image.
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@param[out] ImageUpdatable Indicates if a new firmware image is valid for
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a firmware update to the firmware device. The
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following values from the Firmware Management
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Protocol are supported:
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IMAGE_UPDATABLE_VALID
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IMAGE_UPDATABLE_INVALID
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IMAGE_UPDATABLE_INVALID_TYPE
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IMAGE_UPDATABLE_INVALID_OLD
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IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE
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@param[out] LastAttemptStatus A pointer to a UINT32 that holds the last attempt
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status to report back to the ESRT table in case
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of error.
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The return status code must fall in the range of
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LAST_ATTEMPT_STATUS_DEVICE_LIBRARY_MIN_ERROR_CODE_VALUE to
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LAST_ATTEMPT_STATUS_DEVICE_LIBRARY_MAX_ERROR_CODE_VALUE.
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If the value falls outside this range, it will be converted
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to LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL.
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@retval EFI_SUCCESS The image was successfully checked. Additional
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status information is returned in
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ImageUpdatable.
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@retval EFI_INVALID_PARAMETER Image is NULL.
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@retval EFI_INVALID_PARAMETER ImageUpdatable is NULL.
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**/
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EFI_STATUS
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EFIAPI
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FmpDeviceCheckImageWithStatus (
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IN CONST VOID *Image,
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IN UINTN ImageSize,
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OUT UINT32 *ImageUpdatable,
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OUT UINT32 *LastAttemptStatus
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)
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{
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*LastAttemptStatus = LAST_ATTEMPT_STATUS_SUCCESS;
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return EFI_SUCCESS;
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}
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/**
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Updates a firmware device with a new firmware image. This function returns
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EFI_UNSUPPORTED if the firmware image is not updatable. If the firmware image
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is updatable, the function should perform the following minimal validations
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before proceeding to do the firmware image update.
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- Validate that the image is a supported image for this firmware device.
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Return EFI_ABORTED if the image is not supported. Additional details
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on why the image is not a supported image may be returned in AbortReason.
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- Validate the data from VendorCode if is not NULL. Firmware image
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validation must be performed before VendorCode data validation.
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VendorCode data is ignored or considered invalid if image validation
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fails. Return EFI_ABORTED if the VendorCode data is invalid.
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VendorCode enables vendor to implement vendor-specific firmware image update
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policy. Null if the caller did not specify the policy or use the default
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policy. As an example, vendor can implement a policy to allow an option to
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force a firmware image update when the abort reason is due to the new firmware
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image version is older than the current firmware image version or bad image
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checksum. Sensitive operations such as those wiping the entire firmware image
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and render the device to be non-functional should be encoded in the image
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itself rather than passed with the VendorCode. AbortReason enables vendor to
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have the option to provide a more detailed description of the abort reason to
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the caller.
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@param[in] Image Points to the new firmware image.
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@param[in] ImageSize Size, in bytes, of the new firmware image.
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@param[in] VendorCode This enables vendor to implement vendor-specific
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firmware image update policy. NULL indicates
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the caller did not specify the policy or use the
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default policy.
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@param[in] Progress A function used to report the progress of
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updating the firmware device with the new
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firmware image.
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@param[in] CapsuleFwVersion The version of the new firmware image from the
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update capsule that provided the new firmware
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image.
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@param[out] AbortReason A pointer to a pointer to a Null-terminated
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Unicode string providing more details on an
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aborted operation. The buffer is allocated by
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this function with
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EFI_BOOT_SERVICES.AllocatePool(). It is the
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caller's responsibility to free this buffer with
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EFI_BOOT_SERVICES.FreePool().
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@retval EFI_SUCCESS The firmware device was successfully updated
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with the new firmware image.
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@retval EFI_ABORTED The operation is aborted. Additional details
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are provided in AbortReason.
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@retval EFI_INVALID_PARAMETER The Image was NULL.
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|
@retval EFI_UNSUPPORTED The operation is not supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FmpDeviceSetImage (
|
|
IN CONST VOID *Image,
|
|
IN UINTN ImageSize,
|
|
IN CONST VOID *VendorCode OPTIONAL,
|
|
IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress OPTIONAL,
|
|
IN UINT32 CapsuleFwVersion,
|
|
OUT CHAR16 **AbortReason
|
|
)
|
|
{
|
|
UINT32 LastAttemptStatus;
|
|
|
|
return FmpDeviceSetImageWithStatus (
|
|
Image,
|
|
ImageSize,
|
|
VendorCode,
|
|
Progress,
|
|
CapsuleFwVersion,
|
|
AbortReason,
|
|
&LastAttemptStatus
|
|
);
|
|
}
|
|
|
|
/**
|
|
Updates a firmware device with a new firmware image. This function returns
|
|
EFI_UNSUPPORTED if the firmware image is not updatable. If the firmware image
|
|
is updatable, the function should perform the following minimal validations
|
|
before proceeding to do the firmware image update.
|
|
- Validate that the image is a supported image for this firmware device.
|
|
Return EFI_ABORTED if the image is not supported. Additional details
|
|
on why the image is not a supported image may be returned in AbortReason.
|
|
- Validate the data from VendorCode if is not NULL. Firmware image
|
|
validation must be performed before VendorCode data validation.
|
|
VendorCode data is ignored or considered invalid if image validation
|
|
fails. Return EFI_ABORTED if the VendorCode data is invalid.
|
|
|
|
VendorCode enables vendor to implement vendor-specific firmware image update
|
|
policy. Null if the caller did not specify the policy or use the default
|
|
policy. As an example, vendor can implement a policy to allow an option to
|
|
force a firmware image update when the abort reason is due to the new firmware
|
|
image version is older than the current firmware image version or bad image
|
|
checksum. Sensitive operations such as those wiping the entire firmware image
|
|
and render the device to be non-functional should be encoded in the image
|
|
itself rather than passed with the VendorCode. AbortReason enables vendor to
|
|
have the option to provide a more detailed description of the abort reason to
|
|
the caller.
|
|
|
|
@param[in] Image Points to the new firmware image.
|
|
@param[in] ImageSize Size, in bytes, of the new firmware image.
|
|
@param[in] VendorCode This enables vendor to implement vendor-specific
|
|
firmware image update policy. NULL indicates
|
|
the caller did not specify the policy or use the
|
|
default policy.
|
|
@param[in] Progress A function used to report the progress of
|
|
updating the firmware device with the new
|
|
firmware image.
|
|
@param[in] CapsuleFwVersion The version of the new firmware image from the
|
|
update capsule that provided the new firmware
|
|
image.
|
|
@param[out] AbortReason A pointer to a pointer to a Null-terminated
|
|
Unicode string providing more details on an
|
|
aborted operation. The buffer is allocated by
|
|
this function with
|
|
EFI_BOOT_SERVICES.AllocatePool(). It is the
|
|
caller's responsibility to free this buffer with
|
|
EFI_BOOT_SERVICES.FreePool().
|
|
@param[out] LastAttemptStatus A pointer to a UINT32 that holds the last attempt
|
|
status to report back to the ESRT table in case
|
|
of error. This value will only be checked when this
|
|
function returns an error.
|
|
|
|
The return status code must fall in the range of
|
|
LAST_ATTEMPT_STATUS_DEVICE_LIBRARY_MIN_ERROR_CODE_VALUE to
|
|
LAST_ATTEMPT_STATUS_DEVICE_LIBRARY_MAX_ERROR_CODE_VALUE.
|
|
|
|
If the value falls outside this range, it will be converted
|
|
to LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL.
|
|
|
|
@retval EFI_SUCCESS The firmware device was successfully updated
|
|
with the new firmware image.
|
|
@retval EFI_ABORTED The operation is aborted. Additional details
|
|
are provided in AbortReason.
|
|
@retval EFI_INVALID_PARAMETER The Image was NULL.
|
|
@retval EFI_UNSUPPORTED The operation is not supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FmpDeviceSetImageWithStatus (
|
|
IN CONST VOID *Image,
|
|
IN UINTN ImageSize,
|
|
IN CONST VOID *VendorCode OPTIONAL,
|
|
IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress OPTIONAL,
|
|
IN UINT32 CapsuleFwVersion,
|
|
OUT CHAR16 **AbortReason,
|
|
OUT UINT32 *LastAttemptStatus
|
|
)
|
|
{
|
|
*LastAttemptStatus = LAST_ATTEMPT_STATUS_SUCCESS;
|
|
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
/**
|
|
Lock the firmware device that contains a firmware image. Once a firmware
|
|
device is locked, any attempts to modify the firmware image contents in the
|
|
firmware device must fail.
|
|
|
|
@note It is recommended that all firmware devices support a lock method to
|
|
prevent modifications to a stored firmware image.
|
|
|
|
@note A firmware device lock mechanism is typically only cleared by a full
|
|
system reset (not just sleep state/low power mode).
|
|
|
|
@retval EFI_SUCCESS The firmware device was locked.
|
|
@retval EFI_UNSUPPORTED The firmware device does not support locking
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
FmpDeviceLock (
|
|
VOID
|
|
)
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|