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/** @file
The PRM Module Discovery library provides functionality to discover PRM modules installed by platform firmware.
Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PRM_MODULE_DISCOVERY_LIB_H_
#define PRM_MODULE_DISCOVERY_LIB_H_
#include <Base.h>
#include <PrmContextBuffer.h>
#include <PrmModuleImageContext.h>
#include <Uefi.h>
/**
Gets the next PRM module discovered after the given PRM module.
@param[in,out] ModuleImageContext A pointer to a pointer to a PRM module image context structure.
@retval EFI_SUCCESS The next PRM module was found successfully.
@retval EFI_INVALID_PARAMETER The given ModuleImageContext structure is invalid or the pointer is NULL.
@retval EFI_NOT_FOUND The next PRM module was not found.
**/
EFI_STATUS
EFIAPI
GetNextPrmModuleEntry (
IN OUT PRM_MODULE_IMAGE_CONTEXT **ModuleImageContext
);
/**
Discovers all PRM Modules loaded during boot.
Each PRM Module discovered is placed into a linked list so the list can br processsed in the future.
@param[out] ModuleCount An optional pointer parameter that, if provided, is set to the number
of PRM modules discovered.
@param[out] HandlerCount An optional pointer parameter that, if provided, is set to the number
of PRM handlers discovered.
@retval EFI_SUCCESS All PRM Modules were discovered successfully.
@retval EFI_INVALID_PARAMETER An actual pointer parameter was passed as NULL.
@retval EFI_NOT_FOUND The gEfiLoadedImageProtocolGuid protocol could not be found.
@retval EFI_OUT_OF_RESOURCES Insufficient memory resources to allocate the new PRM Context
linked list nodes.
@retval EFI_ALREADY_STARTED The function was called previously and already discovered the PRM modules
loaded on this boot.
**/
EFI_STATUS
EFIAPI
DiscoverPrmModules (
OUT UINTN *ModuleCount OPTIONAL,
OUT UINTN *HandlerCount OPTIONAL
);
#endif
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