Re: [edk2-devel] [PATCH v2] RedfishPkg/RedfishDebugLib: add function to print buffer.

["Chang, Abner via groups.io" <abner.chang=amd.com@groups.io>]

[AMD Official Use Only - General]

Reviewed-by: Abner Chang <abner.chang@amd.com>

> -----Original Message-----
> From: Nickle Wang <nicklew@nvidia.com>
> Sent: Tuesday, January 9, 2024 7:13 PM
> To: devel@edk2.groups.io
> Cc: Chang, Abner <Abner.Chang@amd.com>; Igor Kulchytskyy
> <igork@ami.com>; Nick Ramirez <nramirez@nvidia.com>
> Subject: [PATCH v2] RedfishPkg/RedfishDebugLib: add function to print
> buffer.
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> 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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