[edk2-devel] [Patch 3/5] UefiCpuPkg: Add new EDKII_PEI_MP_SERVICES2_PPI

[Dong, Eric]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1973

Add definition for new EDKII_PEI_MP_SERVICES2_PPI.

It includes all APIs existed in EFI_PEI_MP_SERVICES_PPI
and add new API EDKII_PEI_MP_SERVICES_STARTUP_ALL_CPUS.

Cc: Ray Ni <ray.ni at intel.com>
Cc: Laszlo Ersek <lersek at redhat.com>
Cc: Chandana Kumar <chandana.c.kumar at intel.com>
Cc: Star Zeng <star.zeng at intel.com>
Signed-off-by: Eric Dong <eric.dong at intel.com>
---
 UefiCpuPkg/Include/Ppi/EdkiiMpServices2.h | 72 +++++++++++++++++++++++
 UefiCpuPkg/UefiCpuPkg.dec                 |  3 +
 2 files changed, 75 insertions(+)
 create mode 100644 UefiCpuPkg/Include/Ppi/EdkiiMpServices2.h

diff --git a/UefiCpuPkg/Include/Ppi/EdkiiMpServices2.h b/UefiCpuPkg/Include/Ppi/EdkiiMpServices2.h
new file mode 100644
index 0000000000..c6b9712cc0
--- /dev/null
+++ b/UefiCpuPkg/Include/Ppi/EdkiiMpServices2.h
@@ -0,0 +1,72 @@
+/** @file
+  This file declares edkii Multi-processor service PPI.
+
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __EDKII_PEI_MP_SERVICES2_PPI_H__
+#define __EDKII_PEI_MP_SERVICES2_PPI_H__
+
+#include <Ppi/MpServices.h>
+
+#define EDKII_PEI_MP_SERVICES2_PPI_GUID \
+  { \
+    0x5cb9cb3d, 0x31a4, 0x480c, { 0x94, 0x98, 0x29, 0xd2, 0x69, 0xba, 0xcf, 0xba} \
+  }
+
+typedef struct _EDKII_PEI_MP_SERVICES2_PPI  EDKII_PEI_MP_SERVICES2_PPI;
+
+typedef EFI_PEI_MP_SERVICES_GET_NUMBER_OF_PROCESSORS  EDKII_PEI_MP_SERVICES_GET_NUMBER_OF_PROCESSORS;
+typedef EFI_PEI_MP_SERVICES_GET_PROCESSOR_INFO        EDKII_PEI_MP_SERVICES_GET_PROCESSOR_INFO;
+typedef EFI_PEI_MP_SERVICES_STARTUP_ALL_APS           EDKII_PEI_MP_SERVICES_STARTUP_ALL_APS;
+typedef EFI_PEI_MP_SERVICES_STARTUP_THIS_AP           EDKII_PEI_MP_SERVICES_STARTUP_THIS_AP;
+typedef EFI_PEI_MP_SERVICES_SWITCH_BSP                EDKII_PEI_MP_SERVICES_SWITCH_BSP;
+typedef EFI_PEI_MP_SERVICES_ENABLEDISABLEAP           EDKII_PEI_MP_SERVICES_ENABLEDISABLEAP;
+typedef EFI_PEI_MP_SERVICES_WHOAMI                    EDKII_PEI_MP_SERVICES_WHOAMI;
+
+/**
+  Activate all of the application proessors.
+
+  @param[in] This                 A pointer to the EDKII_PEI_MP_SERVICES2_PPI instance.
+  @param[in] Procedure            A pointer to the function to be run on enabled APs of
+                                  the system.
+  @param[in] TimeoutInMicroSeconds
+                                  Indicates the time limit in microseconds for APs to
+                                  return from Procedure, for blocking mode only. Zero
+                                  means infinity.  If the timeout expires in blocking
+                                  mode, BSP returns EFI_TIMEOUT.
+  @param[in] ProcedureArgument    The parameter passed into Procedure for all CPUs.
+
+  @retval EFI_SUCCESS             In blocking mode, all APs have finished before the
+                                  timeout expired.
+  @retval EFI_DEVICE_ERROR        Caller processor is AP.
+  @retval EFI_NOT_READY           Any enabled APs are busy.
+  @retval EFI_TIMEOUT             In blocking mode, the timeout expired before all
+                                  enabled APs have finished.
+  @retval EFI_INVALID_PARAMETER   Procedure is NULL.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_PEI_MP_SERVICES_STARTUP_ALL_CPUS) (
+  IN  EDKII_PEI_MP_SERVICES2_PPI     *This,
+  IN  EFI_AP_PROCEDURE               Procedure,
+  IN  UINTN                          TimeoutInMicroSeconds,
+  IN  VOID                           *ProcedureArgument      OPTIONAL
+  );
+
+struct _EDKII_PEI_MP_SERVICES2_PPI {
+  EDKII_PEI_MP_SERVICES_GET_NUMBER_OF_PROCESSORS  GetNumberOfProcessors;
+  EDKII_PEI_MP_SERVICES_GET_PROCESSOR_INFO        GetProcessorInfo;
+  EDKII_PEI_MP_SERVICES_STARTUP_ALL_APS           StartupAllAPs;
+  EDKII_PEI_MP_SERVICES_STARTUP_THIS_AP           StartupThisAP;
+  EDKII_PEI_MP_SERVICES_SWITCH_BSP                SwitchBSP;
+  EDKII_PEI_MP_SERVICES_ENABLEDISABLEAP           EnableDisableAP;
+  EDKII_PEI_MP_SERVICES_WHOAMI                    WhoAmI;
+  EDKII_PEI_MP_SERVICES_STARTUP_ALL_CPUS          StartupAllCPUs;
+};
+
+extern EFI_GUID gEdkiiPeiMpServices2PpiGuid;
+
+#endif
diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 6ddf0cd224..5a555644b7 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -75,6 +75,9 @@
 #   0x80000001 | Invalid value provided.
 #
 
+[Ppis]
+  gEdkiiPeiMpServices2PpiGuid =    { 0x5cb9cb3d, 0x31a4, 0x480c, { 0x94, 0x98, 0x29, 0xd2, 0x69, 0xba, 0xcf, 0xba}} 
+
 [PcdsFeatureFlag]
   ## Indicates if SMM Profile will be enabled.
   #  If enabled, instruction executions in and data accesses to memory outside of SMRAM will be logged.
-- 
2.21.0.windows.1


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