45ce0a67bb
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the FmpDevicePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
239 lines
8.0 KiB
C
239 lines
8.0 KiB
C
/** @file
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UEFI variable support functions for Firmware Management Protocol based
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firmware updates.
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Copyright (c) 2016, Microsoft Corporation. All rights reserved.<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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#ifndef __VARIABLE_SUPPORT_H__
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#define __VARIABLE_SUPPORT_H__
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///
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/// Default values for FMP Controller State information
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///
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#define DEFAULT_VERSION 0x1
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#define DEFAULT_LOWESTSUPPORTEDVERSION 0x0
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#define DEFAULT_LASTATTEMPTSTATUS 0x0
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#define DEFAULT_LASTATTEMPTVERSION 0x0
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///
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/// Base UEFI Variable names for FMP Controller State information stored in
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/// separate variables.
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///
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#define VARNAME_VERSION L"FmpVersion"
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#define VARNAME_LSV L"FmpLsv"
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#define VARNAME_LASTATTEMPTSTATUS L"LastAttemptStatus"
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#define VARNAME_LASTATTEMPTVERSION L"LastAttemptVersion"
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///
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/// Base UEFI Variable name for FMP Controller State information stored in a
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/// merged UEFI Variable. If the separate UEFI Variables above are detected,
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/// then they are merged into a single variable and the separate variables are
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/// deleted.
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///
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#define VARNAME_FMPSTATE L"FmpState"
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///
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/// FMP Controller State structure that is used to store the state of
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/// a controller in one combined UEFI Variable.
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///
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typedef struct {
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BOOLEAN VersionValid;
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BOOLEAN LsvValid;
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BOOLEAN LastAttemptStatusValid;
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BOOLEAN LastAttemptVersionValid;
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UINT32 Version;
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UINT32 Lsv;
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UINT32 LastAttemptStatus;
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UINT32 LastAttemptVersion;
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} FMP_CONTROLLER_STATE;
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/**
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Generate the names of the UEFI Variables used to store state information for
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a managed controller. The UEFI Variables names are a combination of a base
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name and an optional hardware instance value as a 16 character hex value. If
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the hardware instance value is 0, then the 16 character hex value is not
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included. These storage for the UEFI Variable names are allocated using the
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UEFI Boot Service AllocatePool() and the pointers are stored in the Private.
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The following are examples of variable names produces for hardware instance
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value 0 and value 0x1234567812345678.
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FmpVersion
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FmpLsv
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LastAttemptStatus
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LastAttemptVersion
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FmpDxe
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FmpVersion1234567812345678
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FmpLsv1234567812345678
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LastAttemptStatus1234567812345678
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LastAttemptVersion1234567812345678
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FmpDxe1234567812345678
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@param[in,out] Private Private context structure for the managed controller.
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**/
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VOID
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GenerateFmpVariableNames (
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IN OUT FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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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. The value is read from a UEFI
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variable. If the UEFI variables does not exist, then a default version value
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is returned.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed controller.
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@return The version of the firmware image in the firmware device.
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**/
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UINT32
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GetVersionFromVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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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. The value is read from a UEFI
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variable. If the UEFI variables does not exist, then a default lowest
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supported version value is returned.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed controller.
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@return The lowest supported version of the firmware image in the firmware
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device.
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**/
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UINT32
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GetLowestSupportedVersionFromVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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);
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/**
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Returns the value used to fill in the LastAttemptStatus 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. The value is read from a UEFI
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variable. If the UEFI variables does not exist, then a default last attempt
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status value is returned.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed controller.
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@return The last attempt status value for the most recent capsule update.
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**/
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UINT32
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GetLastAttemptStatusFromVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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);
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/**
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Returns the value used to fill in the LastAttemptVersion 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. The value is read from a UEFI
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variable. If the UEFI variables does not exist, then a default last attempt
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version value is returned.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed controller.
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@return The last attempt version value for the most recent capsule update.
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**/
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UINT32
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GetLastAttemptVersionFromVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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);
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/**
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Saves the version current of the firmware image in the firmware device to a
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UEFI variable.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed controller.
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@param[in] Version The version of the firmware image in the firmware device.
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**/
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VOID
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SetVersionInVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private,
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IN UINT32 Version
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);
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/**
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Saves the lowest supported version current of the firmware image in the
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firmware device to a UEFI variable.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed
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controller.
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@param[in] LowestSupportedVersion The lowest supported version of the
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firmware image in the firmware device.
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**/
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VOID
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SetLowestSupportedVersionInVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private,
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IN UINT32 LowestSupportedVersion
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);
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/**
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Saves the last attempt status value of the most recent FMP capsule update to a
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UEFI variable.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed
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controller.
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@param[in] LastAttemptStatus The last attempt status of the most recent FMP
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capsule update.
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**/
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VOID
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SetLastAttemptStatusInVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private,
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IN UINT32 LastAttemptStatus
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);
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/**
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Saves the last attempt version value of the most recent FMP capsule update to
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a UEFI variable.
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UEFI Variable accessed: GUID = gEfiCallerIdGuid, Name = L"FmpDxe"
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@param[in] Private Private context structure for the managed
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controller.
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@param[in] LastAttemptVersion The last attempt version value of the most
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recent FMP capsule update.
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**/
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VOID
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SetLastAttemptVersionInVariable (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private,
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IN UINT32 LastAttemptVersion
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);
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/**
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Locks all the UEFI Variables that use gEfiCallerIdGuid of the currently
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executing module.
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@param[in] Private Private context structure for the managed controller.
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@retval EFI_SUCCESS All UEFI variables are locked.
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@retval EFI_UNSUPPORTED Variable Lock Protocol not found.
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@retval Other One of the UEFI variables could not be locked.
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**/
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EFI_STATUS
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LockAllFmpVariables (
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IN FIRMWARE_MANAGEMENT_PRIVATE_DATA *Private
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);
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#endif
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