mirror of https://github.com/acidanthera/audk.git
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/** @file
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Definition for the Platform Runtime Mechanism (PRM) module update structures.
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Copyright (c) Microsoft Corporation
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef PRM_MODULE_UPDATE_H_
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#define PRM_MODULE_UPDATE_H_
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#include <Uefi.h>
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#define PRM_MODULE_UPDATE_LOCK_DESCRIPTOR_NAME PrmModuleUpdateLock
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#define PRM_MODULE_UPDATE_LOCK_DESCRIPTOR_SIGNATURE SIGNATURE_64 ('P', 'R', 'M', '_', 'M', 'U', 'L', '_')
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#define PRM_MODULE_UPDATE_LOCK_REVISION 0x0
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#pragma pack(push, 1)
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///
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/// Maintains the PRM Module Update Lock state
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///
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typedef union {
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///
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/// Individual bit fields
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///
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struct {
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UINT8 Acquired : 1; ///< [0] - If 1 lock is acquired. If 0 lock is released.
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UINT8 Reserved : 7; ///< [7:1] - Reserved
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} Bits;
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///
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/// All bit fields as an 8-bit value
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///
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UINT8 Uint8;
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} PRM_MODULE_UPDATE_LOCK;
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typedef struct {
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UINT64 Signature;
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UINT16 Revision;
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PRM_MODULE_UPDATE_LOCK Lock;
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} PRM_MODULE_UPDATE_LOCK_DESCRIPTOR;
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#pragma pack(pop)
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#endif
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