Stall.h File Reference

Data Structures
struct	_EFI_PEI_STALL_PPI

Macros
#define	EFI_PEI_STALL_PPI_GUID   { 0x1f4c6f90, 0xb06b, 0x48d8, {0xa2, 0x01, 0xba, 0xe5, 0xf1, 0xcd, 0x7d, 0x56 } }

Typedefs
typedef struct _EFI_PEI_STALL_PPI	EFI_PEI_STALL_PPI
typedef EFI_STATUS(EFIAPI *	EFI_PEI_STALL )(IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_PEI_STALL_PPI *This, IN UINTN Microseconds)

Variables
EFI_GUID	gEfiPeiStallPpiGuid

Detailed Description

This file declares Stall PPI.

This ppi abstracts the blocking stall service to other agents.

Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Revision Reference:

This PPI is introduced in PI Version 1.0.

Macro Definition Documentation

#define EFI_PEI_STALL_PPI_GUID   { 0x1f4c6f90, 0xb06b, 0x48d8, {0xa2, 0x01, 0xba, 0xe5, 0xf1, 0xcd, 0x7d, 0x56 } }

Typedef Documentation

typedef EFI_STATUS(EFIAPI * EFI_PEI_STALL)(IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_PEI_STALL_PPI *This, IN UINTN Microseconds)

The Stall() function provides a blocking stall for at least the number of microseconds stipulated in the final argument of the API.

Parameters

PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
This	Pointer to the local data for the interface.
Microseconds	Number of microseconds for which to stall.

Return values

EFI_SUCCESS

The service provided at least the required delay.

typedef struct _EFI_PEI_STALL_PPI EFI_PEI_STALL_PPI

Variable Documentation

EFI_GUID gEfiPeiStallPpiGuid