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/** @file
Provides firmware device specific services to support updates of a firmware
image stored in a firmware device.
Copyright (c) 2016, Microsoft Corporation. All rights reserved.<BR>
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __FMP_DEVICE_LIB__
#define __FMP_DEVICE_LIB__
#include <Protocol/FirmwareManagement.h>
/**
Callback function that installs a Firmware Management Protocol instance onto
a handle.
@param[in] Handle The device handle to install a Firmware Management
Protocol instance.
@retval EFI_SUCCESS A Firmware Management Protocol instance was
installed onto Handle.
@retval EFI_INVALID_PARAMETER Handle is invalid
@retval other A Firmware Management Protocol instance could
not be installed onto Handle.
**/
typedef
EFI_STATUS
(EFIAPI *FMP_DEVICE_LIB_REGISTER_FMP_INSTALLER)(
IN EFI_HANDLE Handle
);
/**
Provide a function to install the Firmware Management Protocol instance onto a
device handle when the device is managed by a driver that follows the UEFI
Driver Model. If the device is not managed by a driver that follows the UEFI
Driver Model, then EFI_UNSUPPORTED is returned.
@param[in] FmpInstaller Function that installs the Firmware Management
Protocol.
@retval EFI_SUCCESS The device is managed by a driver that follows the
UEFI Driver Model. FmpInstaller must be called on
each Driver Binding Start().
@retval EFI_UNSUPPORTED The device is not managed by a driver that follows
the UEFI Driver Model.
@retval other The Firmware Management Protocol for this firmware
device is not installed. The firmware device is
still locked using FmpDeviceLock().
**/
EFI_STATUS
EFIAPI
RegisterFmpInstaller (
IN FMP_DEVICE_LIB_REGISTER_FMP_INSTALLER FmpInstaller
);
/**
Returns the size, in bytes, of the firmware image currently stored in the
firmware device. This function is used to by the GetImage() and
GetImageInfo() services of the Firmware Management Protocol. If the image
size can not be determined from the firmware device, then 0 must be returned.
@param[out] Size Pointer to the size, in bytes, of the firmware image
currently stored in the firmware device.
@retval EFI_SUCCESS The size of the firmware image currently
stored in the firmware device was returned.
@retval EFI_INVALID_PARAMETER Size is NULL.
@retval EFI_UNSUPPORTED The firmware device does not support reporting
the size of the currently stored firmware image.
@retval EFI_DEVICE_ERROR An error occured attempting to determine the
size of the firmware image currently stored in
in the firmware device.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetSize (
OUT UINTN *Size
);
/**
Returns the GUID value used to fill in the ImageTypeId field of the
EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
service of the Firmware Management Protocol. If EFI_UNSUPPORTED is returned,
then the ImageTypeId field is set to gEfiCallerIdGuid. If EFI_SUCCESS is
returned, then ImageTypeId is set to the Guid returned from this function.
@param[out] Guid Double pointer to a GUID value that is updated to point to
to a GUID value. The GUID value is not allocated and must
not be modified or freed by the caller.
@retval EFI_SUCCESS EFI_FIRMWARE_IMAGE_DESCRIPTOR ImageTypeId GUID is set
to the returned Guid value.
@retval EFI_UNSUPPORTED EFI_FIRMWARE_IMAGE_DESCRIPTOR ImageTypeId GUID is set
to gEfiCallerIdGuid.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetImageTypeIdGuidPtr (
OUT EFI_GUID **Guid
);
/**
Returns values used to fill in the AttributesSupported and AttributesSettings
fields of the EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the
GetImageInfo() service of the Firmware Management Protocol. The following
bit values from the Firmware Management Protocol may be combined:
IMAGE_ATTRIBUTE_IMAGE_UPDATABLE
IMAGE_ATTRIBUTE_RESET_REQUIRED
IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED
IMAGE_ATTRIBUTE_IN_USE
IMAGE_ATTRIBUTE_UEFI_IMAGE
@param[out] Supported Attributes supported by this firmware device.
@param[out] Setting Attributes settings for this firmware device.
@retval EFI_SUCCESS The attributes supported by the firmware
device were returned.
@retval EFI_INVALID_PARAMETER Supported is NULL.
@retval EFI_INVALID_PARAMETER Setting is NULL.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetAttributes (
OUT UINT64 *Supported,
OUT UINT64 *Setting
);
/**
Returns the value used to fill in the LowestSupportedVersion field of the
EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then
the firmware device supports a method to report the LowestSupportedVersion
value from the currently stored firmware image. If the value can not be
reported for the firmware image currently stored in the firmware device, then
EFI_UNSUPPORTED must be returned. EFI_DEVICE_ERROR is returned if an error
occurs attempting to retrieve the LowestSupportedVersion value for the
currently stored firmware image.
@note It is recommended that all firmware devices support a method to report
the LowestSupportedVersion value from the currently stored firmware
image.
@param[out] LowestSupportedVersion LowestSupportedVersion value retrieved
from the currently stored firmware image.
@retval EFI_SUCCESS The lowest supported version of currently stored
firmware image was returned in LowestSupportedVersion.
@retval EFI_UNSUPPORTED The firmware device does not support a method to
report the lowest supported version of the currently
stored firmware image.
@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the lowest
supported version of the currently stored firmware
image.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetLowestSupportedVersion (
OUT UINT32 *LowestSupportedVersion
);
/**
Returns the Null-terminated Unicode string that is used to fill in the
VersionName field of the EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is
returned by the GetImageInfo() service of the Firmware Management Protocol.
The returned string must be allocated using EFI_BOOT_SERVICES.AllocatePool().
@note It is recommended that all firmware devices support a method to report
the VersionName string from the currently stored firmware image.
@param[out] VersionString The version string retrieved from the currently
stored firmware image.
@retval EFI_SUCCESS The version string of currently stored
firmware image was returned in Version.
@retval EFI_INVALID_PARAMETER VersionString is NULL.
@retval EFI_UNSUPPORTED The firmware device does not support a method
to report the version string of the currently
stored firmware image.
@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the
version string of the currently stored
firmware image.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the
buffer for the version string of the currently
stored firmware image.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetVersionString (
OUT CHAR16 **VersionString
);
/**
Returns the value used to fill in the Version field of the
EFI_FIRMWARE_IMAGE_DESCRIPTOR structure that is returned by the GetImageInfo()
service of the Firmware Management Protocol. If EFI_SUCCESS is returned, then
the firmware device supports a method to report the Version value from the
currently stored firmware image. If the value can not be reported for the
firmware image currently stored in the firmware device, then EFI_UNSUPPORTED
must be returned. EFI_DEVICE_ERROR is returned if an error occurs attempting
to retrieve the LowestSupportedVersion value for the currently stored firmware
image.
@note It is recommended that all firmware devices support a method to report
the Version value from the currently stored firmware image.
@param[out] Version The version value retrieved from the currently stored
firmware image.
@retval EFI_SUCCESS The version of currently stored firmware image was
returned in Version.
@retval EFI_UNSUPPORTED The firmware device does not support a method to
report the version of the currently stored firmware
image.
@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the version
of the currently stored firmware image.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetVersion (
OUT UINT32 *Version
);
/**
Returns a copy of the firmware image currently stored in the firmware device.
@note It is recommended that all firmware devices support a method to retrieve
a copy currently stored firmware image. This can be used to support
features such as recovery and rollback.
@param[out] Image Pointer to a caller allocated buffer where the
currently stored firmware image is copied to.
@param[in, out] ImageSize Pointer the size, in bytes, of the Image buffer.
On return, points to the size, in bytes, of firmware
image currently stored in the firmware device.
@retval EFI_SUCCESS Image contains a copy of the firmware image
currently stored in the firmware device, and
ImageSize contains the size, in bytes, of the
firmware image currently stored in the
firmware device.
@retval EFI_BUFFER_TOO_SMALL The buffer specified by ImageSize is too small
to hold the firmware image currently stored in
the firmware device. The buffer size required
is returned in ImageSize.
@retval EFI_INVALID_PARAMETER The Image is NULL.
@retval EFI_INVALID_PARAMETER The ImageSize is NULL.
@retval EFI_UNSUPPORTED The operation is not supported.
@retval EFI_DEVICE_ERROR An error occurred attempting to retrieve the
firmware image currently stored in the firmware
device.
**/
EFI_STATUS
EFIAPI
FmpDeviceGetImage (
OUT VOID *Image,
IN OUT UINTN *ImageSize
);
/**
Checks if a new firmware image is valid for the firmware device. This
function allows firmware update operation to validate the firmware image
before FmpDeviceSetImage() is called.
@param[in] Image Points to a new firmware image.
@param[in] ImageSize Size, in bytes, of a new firmware image.
@param[out] ImageUpdatable Indicates if a new firmware image is valid for
a firmware update to the firmware device. The
following values from the Firmware Management
Protocol are supported:
IMAGE_UPDATABLE_VALID
IMAGE_UPDATABLE_INVALID
IMAGE_UPDATABLE_INVALID_TYPE
IMAGE_UPDATABLE_INVALID_OLD
IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE
@retval EFI_SUCCESS The image was successfully checked. Additional
status information is returned in
ImageUpdatable.
@retval EFI_INVALID_PARAMETER Image is NULL.
@retval EFI_INVALID_PARAMETER ImageUpdatable is NULL.
**/
EFI_STATUS
EFIAPI
FmpDeviceCheckImage (
IN CONST VOID *Image,
IN UINTN ImageSize,
OUT UINT32 *ImageUpdatable
);
/**
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().
@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
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
);
/**
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
);
#endif
|
