[edk2-devel] [edk2-platforms][PATCH V3 09/11] Platform/Sgi: Add SMBIOS Type17 Table

Pranav Madhu pranav.madhu at arm.com
Tue May 18 16:33:46 UTC 2021


Add the SMBIOS type 17 table (Memory Device) that includes the
specification of each installed memory device such as size of each
device, bank locator, memory device type, and other related information.

Signed-off-by: Pranav Madhu <pranav.madhu at arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
---
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf |   1 +
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h   |  26 ++
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c   |   1 +
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type17MemoryDevice.c  | 298 ++++++++++++++++++++
 4 files changed, 326 insertions(+)

diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
index ebd19c1882bb..9061c491d461 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
@@ -21,6 +21,7 @@
   Type4ProcessorInformation.c
   Type7CacheInformation.c
   Type16PhysicalMemoryArray.c
+  Type17MemoryDevice.c
 
 [Packages]
   ArmPkg/ArmPkg.dec
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
index 95bb2c4bfc70..4e663033d515 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
@@ -122,6 +122,24 @@ InstallType16PhysicalMemoryArray (
   IN     EFI_SMBIOS_PROTOCOL    *Smbios
   );
 
+
+/**
+  Install SMBIOS memory device table.
+
+  Install the SMBIOS memory device (type 17) table for RD platforms.
+
+  @param[in] Smbios   SMBIOS protocol.
+
+  @retval EFI_SUCCESS           Record was added.
+  @retval EFI_OUT_OF_RESOURCES  Record was not added.
+  @retval EFI_ALREADY_STARTED   The SmbiosHandle passed is already in use.
+**/
+EFI_STATUS
+EFIAPI
+InstallType17MemoryDevice (
+  IN     EFI_SMBIOS_PROTOCOL    *Smbios
+  );
+
 typedef enum {
   SMBIOS_HANDLE_ENCLOSURE = 0x1000,
   SMBIOS_HANDLE_CLUSTER1,
@@ -131,6 +149,14 @@ typedef enum {
   SMBIOS_HANDLE_L3_CACHE,
   SMBIOS_HANDLE_L4_CACHE,
   SMBIOS_HANDLE_PHYSICAL_MEMORY,
+  SMBIOS_HANDLE_MEMORY_DEVICE0000,  // Chip 0 Bank 0
+  SMBIOS_HANDLE_MEMORY_DEVICE0001,  // Chip 0 Bank 1
+  SMBIOS_HANDLE_MEMORY_DEVICE0100,  // Chip 1 Bank 0
+  SMBIOS_HANDLE_MEMORY_DEVICE0101,  // Chip 1 Bank 1
+  SMBIOS_HANDLE_MEMORY_DEVICE0200,  // Chip 2 Bank 0
+  SMBIOS_HANDLE_MEMORY_DEVICE0201,  // Chip 2 Bank 1
+  SMBIOS_HANDLE_MEMORY_DEVICE0300,  // Chip 3 Bank 0
+  SMBIOS_HANDLE_MEMORY_DEVICE0301,  // Chip 3 Bank 1
 } SMBIOS_REFRENCE_HANDLES;
 
 #endif // SMBIOS_PLATFORM_DXE_H_
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
index 4f14be165c94..4e6a6b250813 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
@@ -32,6 +32,7 @@ ARM_RD_SMBIOS_TABLE_INSTALL_FPTR mSmbiosTableList[] = {
   &InstallType4ProcessorInformation,
   &InstallType7CacheInformation,
   &InstallType16PhysicalMemoryArray,
+  &InstallType17MemoryDevice,
 };
 
 /**
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type17MemoryDevice.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type17MemoryDevice.c
new file mode 100644
index 000000000000..7ed004bc7f15
--- /dev/null
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type17MemoryDevice.c
@@ -0,0 +1,298 @@
+/** @file
+  SMBIOS Type 17 (Memory Device) table for ARM RD platforms.
+
+  This file installs SMBIOS Type 17 (Memory Device) table for Arm's Reference
+  Design platforms. It includes the specification of each installed memory
+  device such as size of each device, bank locator, memory device type, and
+  other related information.
+
+  Copyright (c) 2021, ARM Limited. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Specification Reference:
+    - SMBIOS Reference Specification 3.4.0, Chapter 7.18
+**/
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Protocol/Smbios.h>
+
+#include "SmbiosPlatformDxe.h"
+
+#define TYPE17_STRINGS                                  \
+  "Chip 0 Bank 0\0"                                     \
+  "Chip 1 Bank 0\0"                                     \
+  "Chip 2 Bank 0\0"                                     \
+  "Chip 3 Bank 0\0"                                     \
+  "Chip 0 Bank 1\0"                                     \
+  "Chip 1 Bank 1\0"                                     \
+  "Chip 2 Bank 1\0"                                     \
+  "Chip 3 Bank 1\0"
+
+typedef enum {
+  Chip0Bank0 = 1,
+  Chip1Bank0,
+  Chip2Bank0,
+  Chip3Bank0,
+  Chip0Bank1,
+  Chip1Bank1,
+  Chip2Bank1,
+  Chip3Bank1
+} TYPE17_STRING_ELEMENTS;
+
+/* SMBIOS Type17 structure */
+#pragma pack(1)
+typedef struct {
+  SMBIOS_TABLE_TYPE17 Base;
+  CHAR8               Strings[sizeof (TYPE17_STRINGS)];
+} ARM_RD_SMBIOS_TYPE17;
+#pragma pack()
+
+/* Memory Device */
+STATIC ARM_RD_SMBIOS_TYPE17 mArmRdSmbiosType17[] = {
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0000
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip0Bank0,                       // Chip 0 Bank 0
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0001
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip0Bank1,                       // Chip 0 Bank 1
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0100
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip1Bank0,                       // Chip 1 Bank 0
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0101
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip1Bank1,                       // Chip 1 Bank 1
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0200
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip2Bank0,                       // Chip 2 Bank 0
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0201
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip2Bank1,                       // Chip 2 Bank 1
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0300
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip3Bank0,                       // Chip 3 Bank 0
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+  {
+    {
+      {
+        // SMBIOS header
+        EFI_SMBIOS_TYPE_MEMORY_DEVICE,  // Type 17
+        sizeof (SMBIOS_TABLE_TYPE17),   // Length
+        SMBIOS_HANDLE_MEMORY_DEVICE0301
+      },
+      SMBIOS_HANDLE_PHYSICAL_MEMORY,    // Physical memory array handle
+      0xFFFE,                           // Memory error info handle
+      0xFFFF,                           // Total width unknown
+      0xFFFF,                           // Data width unknown
+      0,                                // Size, Update dynamically
+      MemoryFormFactorOther,            // Form Factor
+      0,                                // Device set, not part of a set
+      0,                                // Device locator
+      Chip3Bank1,                       // Chip 3 Bank 1
+      MemoryTypeDram,                   // Memory type
+      {0, 1},                           // Type details others
+    },
+    // Text strings (unformatted area)
+    TYPE17_STRINGS
+  },
+};
+
+/**
+  Install SMBIOS memory device Table.
+
+  Install the SMBIOS memory device (type 17) table for RD platforms.
+
+  @param[in] Smbios   SMBIOS protocol.
+
+  @retval EFI_SUCCESS           Record was added.
+  @retval EFI_OUT_OF_RESOURCES  Record was not added.
+  @retval EFI_ALREADY_STARTED   The SmbiosHandle passed is already in use.
+**/
+EFI_STATUS
+InstallType17MemoryDevice (
+  IN     EFI_SMBIOS_PROTOCOL    *Smbios
+  )
+{
+  EFI_STATUS Status;
+  EFI_SMBIOS_HANDLE SmbiosHandle;
+  UINT8  Idx;
+
+  /* Get system memory information */
+  for (Idx = 0; Idx < (FixedPcdGet32 (PcdChipCount) * 2); Idx += 2) {
+    mArmRdSmbiosType17[Idx].Base.Size = 0x7FFF;
+    mArmRdSmbiosType17[Idx].Base.ExtendedSize =
+      (PcdGet64 (PcdSystemMemorySize) + SIZE_16MB) / SIZE_1MB;
+    mArmRdSmbiosType17[Idx].Base.MemoryTechnology = MemoryTechnologyDram;
+    mArmRdSmbiosType17[Idx].Base.MemoryOperatingModeCapability.Bits.VolatileMemory = 1;
+
+    if (PcdGet64 (PcdDramBlock2Size) != 0) {
+      mArmRdSmbiosType17[Idx + 1].Base.Size = 0x7FFF;
+      mArmRdSmbiosType17[Idx + 1].Base.ExtendedSize =
+        PcdGet64 (PcdDramBlock2Size) / SIZE_1MB;
+      mArmRdSmbiosType17[Idx + 1].Base.MemoryTechnology = MemoryTechnologyDram;
+      mArmRdSmbiosType17[Idx + 1].Base.MemoryOperatingModeCapability.Bits.VolatileMemory = 1;
+    }
+  }
+
+  /* Install valid entries */
+  for (Idx = 0; Idx < ARRAY_SIZE (mArmRdSmbiosType17); Idx++) {
+    if (mArmRdSmbiosType17[Idx].Base.ExtendedSize != 0) {
+      SmbiosHandle =
+        ((EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType17[Idx])->Handle;
+      Status = Smbios->Add (
+                         Smbios,
+                         NULL,
+                         &SmbiosHandle,
+                         (EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType17[Idx]
+                         );
+      if (EFI_ERROR (Status)) {
+        DEBUG ((
+          DEBUG_ERROR,
+          "SMBIOS: Failed to install Type17 SMBIOS table.\n"
+          ));
+        break;
+      }
+    }
+  }
+
+  return Status;
+}
-- 
2.17.1



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#75275): https://edk2.groups.io/g/devel/message/75275
Mute This Topic: https://groups.io/mt/82916163/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-






More information about the edk2-devel-archive mailing list