[edk2-devel] [edk2-platforms][PATCH V2 11/11] Platform/Sgi: Add SMBIOS Type32 Table

[Pranav Madhu]

Add the SMBIOS type 32 table (System Boot Information) that includes
information about the System Boot Status.

Signed-off-by: Pranav Madhu <pranav.madhu at arm.com>
---
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf         |  1 +
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h           |  6 ++
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c           |  1 +
 Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type32SystemBootInformation.c | 84 ++++++++++++++++++++
 4 files changed, 92 insertions(+)

diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
index f81494114188..4258eb9deadb 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
@@ -23,6 +23,7 @@
   Type16PhysicalMemoryArray.c
   Type17MemoryDevice.c
   Type19MemoryArrayMappedAddress.c
+  Type32SystemBootInformation.c
 
 [Packages]
   ArmPkg/ArmPkg.dec
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
index c6dd72cb6b99..0bbda4b4b45d 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
@@ -59,6 +59,12 @@ InstallMemoryArrayMappedAddress (
   IN     EFI_SMBIOS_PROTOCOL    *Smbios
   );
 
+EFI_STATUS
+EFIAPI
+InstallSystemBootInformation (
+  IN     EFI_SMBIOS_PROTOCOL    *Smbios
+  );
+
 enum SMBIOS_REFRENCE_HANDLES {
   SMBIOS_HANDLE_ENCLOSURE = 0x1000,
   SMBIOS_HANDLE_CLUSTER1,
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
index d5d1e6393184..77b22678f62a 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
@@ -34,6 +34,7 @@ ARM_RD_SMBIOS_TABLE_INSTALL_FPTR mSmbiosTableList[] = {
   &InstallPhysicalMemoryArray,
   &InstallMemoryDevice,
   &InstallMemoryArrayMappedAddress,
+  &InstallSystemBootInformation,
 };
 
 /**
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type32SystemBootInformation.c b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type32SystemBootInformation.c
new file mode 100644
index 000000000000..1d3eaab810eb
--- /dev/null
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type32SystemBootInformation.c
@@ -0,0 +1,84 @@
+/** @file
+  SMBIOS Type 32 (System Boot Information) table for ARM RD platforms.
+
+  This file installs SMBIOS Type 32 (System Boot Information) table for Arm's
+  Reference Design platforms. It includes information about the System Boot
+  Status.
+
+  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 7.33
+**/
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Protocol/Smbios.h>
+
+#include "SmbiosPlatformDxe.h"
+
+#define TYPE32_STRINGS                                  \
+  "\0"                          /* Null string */
+
+/* SMBIOS Type32 structure */
+#pragma pack(1)
+struct ArmRdSmbiosType32 {
+  SMBIOS_TABLE_TYPE32 Base;
+  UINT8               Strings[sizeof (TYPE32_STRINGS)];
+};
+#pragma pack()
+
+/* System Boot Information */
+static struct ArmRdSmbiosType32 mArmRdSmbiosType32 = {
+  {
+    {
+      // SMBIOS header
+      EFI_SMBIOS_TYPE_SYSTEM_BOOT_INFORMATION,  // Type 32
+      sizeof (SMBIOS_TABLE_TYPE32),     // Length
+      SMBIOS_HANDLE_PI_RESERVED
+    },
+    {0},                                // Reserved field
+    BootInformationStatusNoError        // Boot status
+  },
+  // Text strings (unformatted area)
+  TYPE32_STRINGS
+};
+
+/**
+  Install SMBIOS system boot information
+
+  Install the SMBIOS system boot information (type 32) 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 in is already in use.
+**/
+EFI_STATUS
+InstallSystemBootInformation (
+  IN     EFI_SMBIOS_PROTOCOL    *Smbios
+  )
+{
+  EFI_STATUS Status;
+  EFI_SMBIOS_HANDLE SmbiosHandle;
+
+  SmbiosHandle = ((EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType32)->Handle;
+
+  /* Install type 32 table */
+  Status = Smbios->Add (
+                     Smbios,
+                     NULL,
+                     &SmbiosHandle,
+                     (EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType32
+                     );
+  if (Status != EFI_SUCCESS) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "SMBIOS: Failed to install Type32 SMBIOS table.\n"
+      ));
+  }
+
+  return Status;
+}
-- 
2.17.1



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