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* [edk2-devel] [PATCH v2] RedfishPkg/RedfishDebugLib: add function to print buffer.
@ 2024-01-09 11:13 Nickle Wang via groups.io
  2024-01-09 14:15 ` Igor Kulchytskyy via groups.io
  2024-01-10  2:25 ` Chang, Abner via groups.io
  0 siblings, 2 replies; 3+ messages in thread
From: Nickle Wang via groups.io @ 2024-01-09 11:13 UTC (permalink / raw)
  To: devel; +Cc: Abner Chang, Igor Kulchytskyy, Nick Ramirez

Introduce DumpBuffer function to print the buffer content. This helps
developer to debug Redfish issue.

Signed-off-by: Nickle Wang <nicklew@nvidia.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
---
 RedfishPkg/Include/Library/RedfishDebugLib.h  | 20 ++++++++-
 .../Library/RedfishDebugLib/RedfishDebugLib.c | 45 +++++++++++++++++--
 2 files changed, 61 insertions(+), 4 deletions(-)

diff --git a/RedfishPkg/Include/Library/RedfishDebugLib.h b/RedfishPkg/Include/Library/RedfishDebugLib.h
index 5f75bad12a..3430cf1d14 100644
--- a/RedfishPkg/Include/Library/RedfishDebugLib.h
+++ b/RedfishPkg/Include/Library/RedfishDebugLib.h
@@ -1,7 +1,7 @@
 /** @file
   This file defines the Redfish debug library interface.
 
-  Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+  Copyright (c) 2023-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -138,4 +138,22 @@ DumpIpv4Address (
   IN EFI_IPv4_ADDRESS  *Ipv4Address
   );
 
+/**
+  Debug output raw data buffer.
+
+  @param[in]    ErrorLevel  DEBUG macro error level
+  @param[in]    Buffer      Debug output data buffer.
+  @param[in]    BufferSize  The size of Buffer in byte.
+
+  @retval EFI_SUCCESS             Debug dump finished.
+  @retval EFI_INVALID_PARAMETER   Buffer is NULL.
+
+**/
+EFI_STATUS
+DumpBuffer (
+  IN  UINTN  ErrorLevel,
+  IN  UINT8  *Buffer,
+  IN  UINTN  BufferSize
+  );
+
 #endif
diff --git a/RedfishPkg/Library/RedfishDebugLib/RedfishDebugLib.c b/RedfishPkg/Library/RedfishDebugLib/RedfishDebugLib.c
index efa9a5ca13..3728f51213 100644
--- a/RedfishPkg/Library/RedfishDebugLib/RedfishDebugLib.c
+++ b/RedfishPkg/Library/RedfishDebugLib/RedfishDebugLib.c
@@ -1,7 +1,7 @@
 /** @file
   Redfish debug library to debug Redfish application.
 
-  Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+  Copyright (c) 2023-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -19,8 +19,9 @@
 #define IS_EMPTY_STRING(a)  ((a) == NULL || (a)[0] == '\0')
 #endif
 
-#define REDFISH_JSON_STRING_LENGTH  200
-#define REDFISH_JSON_OUTPUT_FORMAT  (EDKII_JSON_COMPACT | EDKII_JSON_INDENT(2))
+#define REDFISH_JSON_STRING_LENGTH          200
+#define REDFISH_JSON_OUTPUT_FORMAT          (EDKII_JSON_COMPACT | EDKII_JSON_INDENT(2))
+#define REDFISH_PRINT_BUFFER_BYTES_PER_ROW  16
 
 /**
   Debug print the value of StatementValue.
@@ -366,3 +367,41 @@ DumpIpv4Address (
 
   return EFI_SUCCESS;
 }
+
+/**
+  Debug output raw data buffer.
+
+  @param[in]    ErrorLevel  DEBUG macro error level
+  @param[in]    Buffer      Debug output data buffer.
+  @param[in]    BufferSize  The size of Buffer in byte.
+
+  @retval EFI_SUCCESS             Debug dump finished.
+  @retval EFI_INVALID_PARAMETER   Buffer is NULL.
+
+**/
+EFI_STATUS
+DumpBuffer (
+  IN  UINTN  ErrorLevel,
+  IN  UINT8  *Buffer,
+  IN  UINTN  BufferSize
+  )
+{
+  UINTN  Index;
+
+  if (Buffer == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  DEBUG ((ErrorLevel, "Address: 0x%p size: %d\n", Buffer, BufferSize));
+  for (Index = 0; Index < BufferSize; Index++) {
+    if (Index % REDFISH_PRINT_BUFFER_BYTES_PER_ROW == 0) {
+      DEBUG ((ErrorLevel, "\n%04X: ", Index));
+    }
+
+    DEBUG ((ErrorLevel, "%02X ", Buffer[Index]));
+  }
+
+  DEBUG ((ErrorLevel, "\n"));
+
+  return EFI_SUCCESS;
+}
-- 
2.34.1



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2024-01-09 11:13 [edk2-devel] [PATCH v2] RedfishPkg/RedfishDebugLib: add function to print buffer Nickle Wang via groups.io
2024-01-09 14:15 ` Igor Kulchytskyy via groups.io
2024-01-10  2:25 ` Chang, Abner via groups.io

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