Stall.h File Reference

Go to the source code of this file.

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.

Definition in file Stall.h.

Macro Definition Documentation

EFI_PEI_STALL_PPI_GUID

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

Definition at line 17 of file Stall.h.

Typedef Documentation

EFI_PEI_STALL

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.

Definition at line 35 of file Stall.h.

EFI_PEI_STALL_PPI

typedef struct _EFI_PEI_STALL_PPI EFI_PEI_STALL_PPI

Definition at line 20 of file Stall.h.