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MdePkg: Add Random Number Generator (RNG) PPI

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REF:https://github.com/tianocore/edk2/issues/10529

Adds a new PPI that serves the same purpose as EFI_RNG_PROTOCOL in
DXE. This PPI can be produced by a PEIM to provide a dynamic interface
to RNG services in PEI.

Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
This commit is contained in:
Michael Kubacki 2024-05-31 11:49:17 -04:00 committed by mergify[bot]
parent 7518b93f77
commit de5c1198c1
2 changed files with 30 additions and 0 deletions
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27
MdePkg/Include/Ppi/Rng.h Normal file
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@ -0,0 +1,27 @@
/** @file
The Random Number Generator (RNG) PPI is used to provide random bits for use
in PEIMs, or entropy for seeding other random number generators. The PPI was
introduced in the PI 1.9 Specification.
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef RNG_PPI_H_
#define RNG_PPI_H_
#include <Guid/Rng.h>
///
/// Global ID for the Random Number Generator PPI
///
#define RNG_PPI_GUID \
{ \
0xeaed0a7e, 0x1a70, 0x4c2b, { 0x85, 0x58, 0x37, 0x17, 0x74, 0x56, 0xd8, 0x06 } \
}
typedef EFI_RNG_INTERFACE RNG_PPI;
extern EFI_GUID gEfiRngPpiGuid;
#endif

3
MdePkg/MdePkg.dec
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@ -1086,6 +1086,9 @@
## Include/Ppi/DelayedDispatch.h
gEfiPeiDelayedDispatchPpiGuid = { 0x869c711d, 0x649c, 0x44fe, { 0x8b, 0x9e, 0x2c, 0xbb, 0x29, 0x11, 0xc3, 0xe6 }}
## Include/Ppi/Rng.h
gEfiRngPpiGuid = { 0xeaed0a7e, 0x1a70, 0x4c2b, { 0x85, 0x58, 0x37, 0x17, 0x74, 0x56, 0xd8, 0x06 }}
[Protocols]
## Include/Protocol/MemoryAccept.h
gEdkiiMemoryAcceptProtocolGuid = { 0x38c74800, 0x5590, 0x4db4, { 0xa0, 0xf3, 0x67, 0x5d, 0x9b, 0x8e, 0x80, 0x26 }}