[PATCH v6 2/5] OvmfPkg: Create global entry point for SMBIOS parsing

[sebastien.boeuf@intel.com]

From: Sebastien Boeuf <sebastien.boeuf@intel.com>

Move the generic entry point part out of Qemu.c to anticipate the
addition of new ways of retrieving the SMBIOS table.

Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
---
 OvmfPkg/SmbiosPlatformDxe/EntryPoint.c        | 42 +++++++++++++++++++
 OvmfPkg/SmbiosPlatformDxe/Qemu.c              | 35 ----------------
 OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h | 11 +++++
 .../SmbiosPlatformDxe/SmbiosPlatformDxe.inf   |  1 +
 4 files changed, 54 insertions(+), 35 deletions(-)
 create mode 100644 OvmfPkg/SmbiosPlatformDxe/EntryPoint.c

diff --git a/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c b/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c
new file mode 100644
index 0000000000..c72ba1d14b
--- /dev/null
+++ b/OvmfPkg/SmbiosPlatformDxe/EntryPoint.c
@@ -0,0 +1,42 @@
+/** @file
+  Find and extract SMBIOS data.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/MemoryAllocationLib.h> // FreePool()
+
+#include "SmbiosPlatformDxe.h"
+
+/**
+  Installs SMBIOS information for OVMF
+
+  @param ImageHandle     Module's image handle
+  @param SystemTable     Pointer of EFI_SYSTEM_TABLE
+
+  @retval EFI_SUCCESS    Smbios data successfully installed
+  @retval Other          Smbios data was not installed
+
+**/
+EFI_STATUS
+EFIAPI
+SmbiosTablePublishEntry (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_SYSTEM_TABLE     *SystemTable
+  )
+{
+  EFI_STATUS                Status;
+  UINT8                     *SmbiosTables;
+
+  Status = EFI_NOT_FOUND;
+  //
+  // Add QEMU SMBIOS data if found
+  //
+  SmbiosTables = GetQemuSmbiosTables ();
+  if (SmbiosTables != NULL) {
+    Status = InstallAllStructures (SmbiosTables);
+    FreePool (SmbiosTables);
+  }
+
+  return Status;
+}
diff --git a/OvmfPkg/SmbiosPlatformDxe/Qemu.c b/OvmfPkg/SmbiosPlatformDxe/Qemu.c
index 4dae4b0b98..9613c090c5 100644
--- a/OvmfPkg/SmbiosPlatformDxe/Qemu.c
+++ b/OvmfPkg/SmbiosPlatformDxe/Qemu.c
@@ -11,8 +11,6 @@
 #include <Library/PcdLib.h>              // PcdGetBool()
 #include <Library/QemuFwCfgLib.h>        // QemuFwCfgFindFile()
 
-#include "SmbiosPlatformDxe.h"
-
 /**
   Locates and extracts the QEMU SMBIOS data if present in fw_cfg
 
@@ -51,36 +49,3 @@ GetQemuSmbiosTables (
 
   return QemuTables;
 }
-
-/**
-  Installs SMBIOS information for OVMF
-
-  @param ImageHandle     Module's image handle
-  @param SystemTable     Pointer of EFI_SYSTEM_TABLE
-
-  @retval EFI_SUCCESS    Smbios data successfully installed
-  @retval Other          Smbios data was not installed
-
-**/
-EFI_STATUS
-EFIAPI
-SmbiosTablePublishEntry (
-  IN EFI_HANDLE        ImageHandle,
-  IN EFI_SYSTEM_TABLE  *SystemTable
-  )
-{
-  EFI_STATUS  Status;
-  UINT8       *SmbiosTables;
-
-  Status = EFI_NOT_FOUND;
-  //
-  // Add QEMU SMBIOS data if found
-  //
-  SmbiosTables = GetQemuSmbiosTables ();
-  if (SmbiosTables != NULL) {
-    Status = InstallAllStructures (SmbiosTables);
-    FreePool (SmbiosTables);
-  }
-
-  return Status;
-}
diff --git a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h
index 74e314a895..b7bf004be9 100644
--- a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h
+++ b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.h
@@ -22,4 +22,15 @@ InstallAllStructures (
   IN UINT8  *TableAddress
   );
 
+/**
+  Locates and extracts the QEMU SMBIOS data if present in fw_cfg
+
+  @return                 Address of extracted QEMU SMBIOS data
+
+**/
+UINT8 *
+GetQemuSmbiosTables (
+  VOID
+  );
+
 #endif
diff --git a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
index eaee73110d..e239a631f2 100644
--- a/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
+++ b/OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
@@ -24,6 +24,7 @@
 #
 
 [Sources]
+  EntryPoint.c
   Qemu.c
   SmbiosPlatformDxe.c
   SmbiosPlatformDxe.h
-- 
2.30.2

---------------------------------------------------------------------
Intel Corporation SAS (French simplified joint stock company)
Registered headquarters: "Les Montalets"- 2, rue de Paris, 
92196 Meudon Cedex, France
Registration Number:  302 456 199 R.C.S. NANTERRE
Capital: 4,572,000 Euros

This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.