diff options
Diffstat (limited to 'FmpDevicePkg/FmpDxe/Dependency.h')
| -rw-r--r-- | FmpDevicePkg/FmpDxe/Dependency.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/FmpDevicePkg/FmpDxe/Dependency.h b/FmpDevicePkg/FmpDxe/Dependency.h new file mode 100644 index 0000000000..a2aaaceeae --- /dev/null +++ b/FmpDevicePkg/FmpDxe/Dependency.h @@ -0,0 +1,63 @@ +/** @file
+ Fmp Capsule Dependency support functions for Firmware Management Protocol based
+ firmware updates.
+
+ Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __DEPENDENCY_H__
+#define __DEPENDENCY_H__
+
+#include <Library/UefiLib.h>
+#include <Protocol/FirmwareManagement.h>
+
+#define DEPENDENCIES_SATISFIED 0
+#define DEPENDENCIES_UNSATISFIED 1
+#define DEPENDENCIES_INVALID 2
+
+extern UINT8 mDependenciesCheckStatus;
+
+/**
+ Validate the dependency expression and output its size.
+
+ @param[in] ImageDepex Pointer to the EFI_FIRMWARE_IMAGE_DEP.
+ @param[in] MaxDepexSize Max size of the dependency.
+ @param[out] DepexSize Size of dependency.
+
+ @retval TRUE The capsule is valid.
+ @retval FALSE The capsule is invalid.
+
+**/
+BOOLEAN
+ValidateImageDepex (
+ IN EFI_FIRMWARE_IMAGE_DEP *ImageDepex,
+ IN CONST UINTN MaxDepexSize,
+ OUT UINT32 *DepexSize
+ );
+
+/**
+ Check dependency for firmware update.
+
+ @param[in] ImageTypeId Image Type Id.
+ @param[in] Version New version.
+ @param[in] Dependencies The dependencies.
+ @param[in] DepexSize Size of the dependencies
+ @param[out] IsSatisfied Indicate the dependencies is satisfied or not.
+
+ @retval EFI_SUCCESS Dependency Evaluation is successful.
+ @retval Others Dependency Evaluation fails with unexpected error.
+
+**/
+EFI_STATUS
+EvaluateImageDependencies (
+ IN CONST EFI_GUID ImageTypeId,
+ IN CONST UINT32 Version,
+ IN CONST EFI_FIRMWARE_IMAGE_DEP *Dependencies,
+ IN CONST UINT32 DependenciesSize,
+ OUT BOOLEAN *IsSatisfied
+ );
+
+#endif
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