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41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
/** @file
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S3 SMM Save State Protocol as defined in PI1.2 Specification VOLUME 5 Standard.
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The EFI_S3_SMM_SAVE_STATE_PROTOCOL publishes the PI SMMboot script abstractions
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On an S3 resume boot path the data stored via this protocol is replayed in the order it was stored.
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The order of replay is the order either of the S3 Save State Protocol or S3 SMM Save State Protocol
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Write() functions were called during the boot process. Insert(), Label(), and
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Compare() operations are ordered relative other S3 SMM Save State Protocol write() operations
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and the order relative to S3 State Save Write() operations is not defined. Due to these ordering
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restrictions it is recommended that the S3 State Save Protocol be used during the DXE phase when
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every possible.
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The EFI_S3_SMM_SAVE_STATE_PROTOCOL can be called at runtime and
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EFI_OUT_OF_RESOURCES may be returned from a runtime call. It is the responsibility of the
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platform to ensure enough memory resource exists to save the system state. It is recommended that
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runtime calls be minimized by the caller.
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is defined in UEFI Platform Initialization Specification 1.2 Volume 5:
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Standards
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**/
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#ifndef __S3_SMM_SAVE_STATE_H__
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#define __S3_SMM_SAVE_STATE_H__
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#include <Protocol/S3SaveState.h>
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#define EFI_S3_SMM_SAVE_STATE_PROTOCOL_GUID \
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{0x320afe62, 0xe593, 0x49cb, { 0xa9, 0xf1, 0xd4, 0xc2, 0xf4, 0xaf, 0x1, 0x4c }}
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typedef EFI_S3_SAVE_STATE_PROTOCOL EFI_S3_SMM_SAVE_STATE_PROTOCOL;
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extern EFI_GUID gEfiS3SmmSaveStateProtocolGuid;
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#endif // __S3_SMM_SAVE_STATE_H__
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