[PATCH v3 2/4] MdePkg: Add NULL library of TraceHubDebugSysTLib

["Guo, Gua" <gua.guo@intel.com>]

From: Gua Guo <gua.guo@intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4144

This Library is NULL library of TraceHubDebugSysTLib.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Guo Gua <gua.guo@intel.com>
Cc: Chan Laura <laura.chan@intel.com>
Cc: Prakashan Krishnadas Veliyathuparambil <krishnadas.veliyathuparambil.prakashan@intel.com>
Cc: K N Karthik <karthik.k.n@intel.com>
Signed-off-by: VictorX Hsu <victorx.hsu@intel.com>
---
 MdePkg/Include/Library/TraceHubDebugSysTLib.h | 81 +++++++++++++++++++
 .../TraceHubDebugSysTLibNull.c                | 76 +++++++++++++++++
 .../TraceHubDebugSysTLibNull.inf              | 29 +++++++
 MdePkg/MdePkg.dsc                             |  1 +
 4 files changed, 187 insertions(+)
 create mode 100644 MdePkg/Include/Library/TraceHubDebugSysTLib.h
 create mode 100644 MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c
 create mode 100644 MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf

diff --git a/MdePkg/Include/Library/TraceHubDebugSysTLib.h b/MdePkg/Include/Library/TraceHubDebugSysTLib.h
new file mode 100644
index 0000000000..7df20e67d6
--- /dev/null
+++ b/MdePkg/Include/Library/TraceHubDebugSysTLib.h
@@ -0,0 +1,81 @@
+/** @file
+This header file declares Trace Hub related top level APIs.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef TRACE_HUB_DEBUG_SYST_LIB_H_
+#define TRACE_HUB_DEBUG_SYST_LIB_H_
+
+typedef enum {
+  SeverityNone    = 0,
+  SeverityFatal   = 1,
+  SeverityError   = 2,
+  SeverityWarning = 3,
+  SeverityNormal  = 4,
+  SeverityUser1   = 5,
+  SeverityUser2   = 6,
+  SeverityUser3   = 7,
+  SeverityMax
+} TRACE_HUB_SEVERITY_TYPE;
+
+/**
+  Write debug string to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Buffer           A pointer to the data buffer.
+  @param[in]  NumberOfBytes    The size of data buffer.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTDebugWrite (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT8                    *Buffer,
+  IN UINTN                    NumberOfBytes
+  );
+
+/**
+  Write catalog status code message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Id               Catalog ID.
+  @param[in]  Guid             Driver Guid.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64StatusCode (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN GUID                     *Guid
+  );
+
+/**
+  Write catalog message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType   Severity type of input message.
+  @param[in]  Id             Catalog ID.
+  @param[in]  NumberOfParams Number of entries in argument list.
+  @param[in]  ...            Catalog message parameters.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64 (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN UINTN                    NumberOfParams,
+  ...
+  );
+
+#endif // TRACE_HUB_DEBUG_SYST_LIB_H_
diff --git a/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c
new file mode 100644
index 0000000000..0bd14d4e24
--- /dev/null
+++ b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c
@@ -0,0 +1,76 @@
+/** @file
+Null library of TraceHubDebugSysTLib.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/TraceHubDebugSysTLib.h>
+
+/**
+  Write debug string to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Buffer           A pointer to the data buffer.
+  @param[in]  NumberOfBytes    The size of data buffer.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTDebugWrite (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT8                    *Buffer,
+  IN UINTN                    NumberOfBytes
+  )
+{
+  return RETURN_UNSUPPORTED;
+}
+
+/**
+  Write catalog status code message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Id               Catalog ID.
+  @param[in]  Guid             Driver Guid.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64StatusCode (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN GUID                     *Guid
+  )
+{
+  return RETURN_UNSUPPORTED;
+}
+
+/**
+  Write catalog message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType   Severity type of input message.
+  @param[in]  Id             Catalog ID.
+  @param[in]  NumberOfParams Number of entries in argument list.
+  @param[in]  ...            Catalog message parameters.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64 (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN UINTN                    NumberOfParams,
+  ...
+  )
+{
+  return RETURN_UNSUPPORTED;
+}
diff --git a/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf
new file mode 100644
index 0000000000..ba894fc250
--- /dev/null
+++ b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf
@@ -0,0 +1,29 @@
+## @file
+#  Null library of TraceHubDebugSysTLib.
+#
+#  Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = TraceHubDebugSysTLibNull
+  FILE_GUID                      = 16196A4E-4196-4AF4-9A6B-F4D2ACC430A8
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = TraceHubDebugSysTLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[Sources]
+  TraceHubDebugSysTLibNull.c
diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
index 902a39cffc..c850970b23 100644
--- a/MdePkg/MdePkg.dsc
+++ b/MdePkg/MdePkg.dsc
@@ -185,6 +185,7 @@
   MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
   MdePkg/Library/TdxLib/TdxLib.inf
   MdePkg/Library/MipiSysTLib/MipiSysTLib.inf
+  MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.inf
 
 [Components.EBC]
   MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
-- 
2.39.2.windows.1