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-/** @file
- Guid & data structure used for EFI System Resource Table (ESRT)
-
- Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- @par Revision Reference:
- GUIDs defined in UEFI 2.5 spec.
-
-**/
-
-
-#ifndef _SYSTEM_RESOURCE_TABLE_H__
-#define _SYSTEM_RESOURCE_TABLE_H__
-
-#define EFI_SYSTEM_RESOURCE_TABLE_GUID \
- { \
- 0xb122a263, 0x3661, 0x4f68, {0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80 } \
- }
-
-///
-/// Current Entry Version
-///
-#define EFI_SYSTEM_RESOURCE_TABLE_FIRMWARE_RESOURCE_VERSION 1
-
-///
-/// Firmware Type Definitions
-///
-#define ESRT_FW_TYPE_UNKNOWN 0x00000000
-#define ESRT_FW_TYPE_SYSTEMFIRMWARE 0x00000001
-#define ESRT_FW_TYPE_DEVICEFIRMWARE 0x00000002
-#define ESRT_FW_TYPE_UEFIDRIVER 0x00000003
-
-///
-/// Last Attempt Status Values
-///
-#define LAST_ATTEMPT_STATUS_SUCCESS 0x00000000
-#define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL 0x00000001
-#define LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
-#define LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION 0x00000003
-#define LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT 0x00000004
-#define LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR 0x00000005
-#define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC 0x00000006
-#define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT 0x00000007
-
-typedef struct {
- ///
- /// The firmware class field contains a GUID that identifies a firmware component
- /// that can be updated via UpdateCapsule(). This GUID must be unique within all
- /// entries of the ESRT.
- ///
- EFI_GUID FwClass;
- ///
- /// Identifies the type of firmware resource.
- ///
- UINT32 FwType;
- ///
- /// The firmware version field represents the current version of the firmware
- /// resource, value must always increase as a larger number represents a newer
- /// version.
- ///
- UINT32 FwVersion;
- ///
- /// The lowest firmware resource version to which a firmware resource can be
- /// rolled back for the given system/device. Generally this is used to protect
- /// against known and fixed security issues.
- ///
- UINT32 LowestSupportedFwVersion;
- ///
- /// The capsule flags field contains the CapsuleGuid flags (bits 0- 15) as defined
- /// in the EFI_CAPSULE_HEADER that will be set in the capsule header.
- ///
- UINT32 CapsuleFlags;
- ///
- /// The last attempt version field describes the last firmware version for which
- /// an update was attempted (uses the same format as Firmware Version).
- /// Last Attempt Version is updated each time an UpdateCapsule() is attempted for
- /// an ESRT entry and is preserved across reboots (non-volatile). However, in
- /// cases where the attempt version is not recorded due to limitations in the
- /// update process, the field shall set to zero after a failed update. Similarly,
- /// in the case of a removable device, this value is set to 0 in cases where the
- /// device has not been updated since being added to the system.
- ///
- UINT32 LastAttemptVersion;
- ///
- /// The last attempt status field describes the result of the last firmware update
- /// attempt for the firmware resource entry.
- /// LastAttemptStatus is updated each time an UpdateCapsule() is attempted for an
- /// ESRT entry and is preserved across reboots (non-volatile).
- /// If a firmware update has never been attempted or is unknown, for example after
- /// fresh insertion of a removable device, LastAttemptStatus must be set to Success.
- ///
- UINT32 LastAttemptStatus;
-} EFI_SYSTEM_RESOURCE_ENTRY;
-
-typedef struct {
- ///
- /// The number of firmware resources in the table, must not be zero.
- ///
- UINT32 FwResourceCount;
- ///
- /// The maximum number of resource array entries that can be within the table
- /// without reallocating the table, must not be zero.
- ///
- UINT32 FwResourceCountMax;
- ///
- /// The version of the EFI_SYSTEM_RESOURCE_ENTRY entities used in this table.
- /// This field should be set to 1.
- ///
- UINT64 FwResourceVersion;
- ///
- /// Array of EFI_SYSTEM_RESOURCE_ENTRY
- ///
- //EFI_SYSTEM_RESOURCE_ENTRY Entries[];
-} EFI_SYSTEM_RESOURCE_TABLE;
-
-extern EFI_GUID gEfiSystemResourceTableGuid;
-
-#endif