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Ravi Rangarajan
136 lines
2.3 KiB
C
136 lines
2.3 KiB
C
/** @file
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Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _MP_INIT_LIB_H_
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#define _MP_INIT_LIB_H_
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typedef enum {
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EnumMpInitNull = 0x00,
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EnumMpInitWakeup = 0x01,
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EnumMpInitRun = 0x02,
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EnumMpInitDone = 0x04,
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EnumMpInitFull = 0xFF
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} MP_INIT_PHASE;
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typedef enum {
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EnumCpuBusy = 0,
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EnumCpuReady,
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EnumCpuStart,
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EnumCpuEnd,
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} CPU_STATE;
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typedef struct {
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UINT32 ApicId;
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} CPU_INFO;
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typedef struct {
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UINT32 CpuCount;
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CPU_INFO CpuInfo[0];
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} SYS_CPU_INFO;
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typedef struct {
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UINT32 State;
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UINT32 CProcedure;
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UINT32 Argument;
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UINT32 Result;
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} CPU_TASK;
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typedef struct {
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UINT32 CpuCount;
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CPU_TASK CpuTask[0];
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} SYS_CPU_TASK;
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typedef UINT32 (*CPU_TASK_PROC) (UINT32 Arg);
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typedef VOID (*PLATFORM_CPU_INIT_HOOK) (UINT32 CpuIndex);
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/**
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BSP initialization routine.
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**/
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VOID
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BspInit (
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VOID
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);
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/**
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Multiprocessor Initialization.
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@param[in] Phase Initialization phase for MP.
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@retval EFI_SUCCESS MP init has been done successfully for current phase.
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**/
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EFI_STATUS
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EFIAPI
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MpInit (
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IN MP_INIT_PHASE Phase
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);
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/**
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Get processor info for all CPUs.
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@retval Pointer to SYS_CPU_INFO structure.
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**/
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SYS_CPU_INFO *
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EFIAPI
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MpGetInfo (
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VOID
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);
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/**
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Get processor task state for all CPUs.
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@retval Pointer to SYS_CPU_TASK structure containing task info.
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**/
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SYS_CPU_TASK *
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EFIAPI
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MpGetTask (
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VOID
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);
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/**
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Run a task function for a specific processor.
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@param[in] Index CPU index
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@param[in] TaskProc Task function pointer
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@param[in] Argument Argument for the task function
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@retval EFI_INVALID_PARAMETER Invalid Index parameter.
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@retval EFI_NOT_READY CPU state is not ready for new task yet.
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@retval EFI_SUCCESS CPU accepted the new task successfully.
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**/
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EFI_STATUS
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EFIAPI
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MpRunTask (
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IN UINT32 Index,
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IN CPU_TASK_PROC TaskProc,
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IN UINT32 Argument
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);
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/**
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Dump MP task state
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This is a debug function to dump current task running state for each
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processor.
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**/
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VOID
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EFIAPI
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MpDumpTask (
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VOID
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);
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#endif
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