From 15ac284815b1e1d5fe8dbc737129f82c9a92649b Mon Sep 17 00:00:00 2001
From: Robert Phelps <robert@ami.com>
Date: Tue, 12 May 2020 04:24:13 +0800
Subject: [PATCH] MdePkg: Update structures for MpServices Protocol
Added EXTENDED_PROCESSOR_INFORMATION structure and supporting
structures and definitions. The intent is to support updated
topology layout for CPUs. (PI 1.7a Mantis 2071)
Signed-off-by: Robert Phelps <robert@ami.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
---
MdePkg/Include/Protocol/MpService.h | 50 +++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/MdePkg/Include/Protocol/MpService.h b/MdePkg/Include/Protocol/MpService.h
index 10e2405daf..9445c5567f 100644
--- a/MdePkg/Include/Protocol/MpService.h
+++ b/MdePkg/Include/Protocol/MpService.h
@@ -47,6 +47,11 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
0x3fdda605, 0xa76e, 0x4f46, {0xad, 0x29, 0x12, 0xf4, 0x53, 0x1b, 0x3d, 0x08} \
}
+///
+/// Value used in the NumberProcessors parameter of the GetProcessorInfo function
+///
+#define CPU_V2_EXTENDED_TOPOLOGY BIT24
+
///
/// Forward declaration for the EFI_MP_SERVICES_PROTOCOL.
///
@@ -96,6 +101,47 @@ typedef struct {
UINT32 Thread;
} EFI_CPU_PHYSICAL_LOCATION;
+///
+/// Structure that defines the 6-level physical location of the processor
+///
+typedef struct {
+///
+/// Package Zero-based physical package number that identifies the cartridge of the processor.
+///
+UINT32 Package;
+///
+/// Module Zero-based physical module number within package of the processor.
+///
+UINT32 Module;
+///
+/// Tile Zero-based physical tile number within module of the processor.
+///
+UINT32 Tile;
+///
+/// Die Zero-based physical die number within tile of the processor.
+///
+UINT32 Die;
+///
+/// Core Zero-based physical core number within die of the processor.
+///
+UINT32 Core;
+///
+/// Thread Zero-based logical thread number within core of the processor.
+///
+UINT32 Thread;
+} EFI_CPU_PHYSICAL_LOCATION2;
+
+
+typedef union {
+ /// The 6-level physical location of the processor, including the
+ /// physical package number that identifies the cartridge, the physical
+ /// module number within package, the physical tile number within the module,
+ /// the physical die number within the tile, the physical core number within
+ /// package, and logical thread number within core.
+ EFI_CPU_PHYSICAL_LOCATION2 Location2;
+} EXTENDED_PROCESSOR_INFORMATION;
+
+
///
/// Structure that describes information about a logical CPU.
///
@@ -132,6 +178,10 @@ typedef struct {
/// logical thread number within core.
///
EFI_CPU_PHYSICAL_LOCATION Location;
+ ///
+ /// The extended information of the processor. This field is filled only when
+ /// CPU_V2_EXTENDED_TOPOLOGY is set in parameter ProcessorNumber.
+ EXTENDED_PROCESSOR_INFORMATION ExtendedInformation;
} EFI_PROCESSOR_INFORMATION;
/**