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From: "Nickle Wang" <nickle.wang@hpe.com>
To: "Chang, Abner (HPS SW/FW Technologist)" <abner.chang@hpe.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>, Siyuan Fu <siyuan.fu@intel.com>,
	Fan Wang <fan.wang@intel.com>, Jiewen Yao <jiewen.yao@intel.com>,
	"O'Hanley, Peter (EXL)" <peter.ohanley@hpe.com>
Subject: Re: [PATCH v2] RedfishPkg/DxeRestExLib: DxeRestExLib
Date: Thu, 24 Dec 2020 13:52:21 +0000	[thread overview]
Message-ID: <DF4PR8401MB0812AD2100E147FC94697FA7FFDD0@DF4PR8401MB0812.NAMPRD84.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <20201218002220.11748-1-abner.chang@hpe.com>

Reviewed-by: Nickle Wang <nickle.wang@hpe.com>

> -----Original Message-----
> From: Chang, Abner (HPS SW/FW Technologist) <abner.chang@hpe.com>
> Sent: Friday, December 18, 2020 8:22 AM
> To: devel@edk2.groups.io
> Cc: Jiaxin Wu <jiaxin.wu@intel.com>; Siyuan Fu <siyuan.fu@intel.com>; Fan
> Wang <fan.wang@intel.com>; Jiewen Yao <jiewen.yao@intel.com>; Wang,
> Nickle (HPS SW) <nickle.wang@hpe.com>; O'Hanley, Peter (EXL)
> <peter.ohanley@hpe.com>
> Subject: [PATCH v2] RedfishPkg/DxeRestExLib: DxeRestExLib
> 
> Add EFI REST EX helper library to create child instance of
> REST EX service.
> 
> Signed-off-by: Abner Chang <abner.chang@hpe.com>
> 
> Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> Cc: Siyuan Fu <siyuan.fu@intel.com>
> Cc: Fan Wang <fan.wang@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Nickle Wang <nickle.wang@hpe.com>
> Cc: Peter O'Hanley <peter.ohanley@hpe.com>
> ---
>  RedfishPkg/RedfishPkg.dec                     |   4 +
>  RedfishPkg/RedfishLibs.dsc.inc                |   1 +
>  RedfishPkg/RedfishPkg.dsc                     |   1 +
>  .../Library/DxeRestExLib/DxeRestExLib.inf     |  44 +++++
>  RedfishPkg/Include/Library/RestExLib.h        |  40 +++++
>  .../Library/DxeRestExLib/DxeRestExLib.c       | 166 ++++++++++++++++++
>  6 files changed, 256 insertions(+)
>  create mode 100644 RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
>  create mode 100644 RedfishPkg/Include/Library/RestExLib.h
>  create mode 100644 RedfishPkg/Library/DxeRestExLib/DxeRestExLib.c
> 
> diff --git a/RedfishPkg/RedfishPkg.dec b/RedfishPkg/RedfishPkg.dec
> index fc56b4fefb..89a2a6de1e 100644
> --- a/RedfishPkg/RedfishPkg.dec
> +++ b/RedfishPkg/RedfishPkg.dec
> @@ -25,6 +25,10 @@
>    #   Platform implementation-specific Redfish Credential Interface.
>    RedfishPlatformCredentialLib|Include/Library/RedfishCredentialLib.h
> 
> +  ##  @libraryclass  The helper routines to access REST EX service.
> +  #   This library is only intended to be used by UEFI network stack modules.
> +  RestExLib|Include/Library/RestExLib.h
> +
>  [Protocols]
>    ## Include/Protocol/RedfishDiscover.h
>    gEfiRedfishDiscoverProtocolGuid      = { 0x5db12509, 0x4550, 0x4347, { 0x96,
> 0xb3, 0x73, 0xc0, 0xff, 0x6e, 0x86, 0x9f }}
> diff --git a/RedfishPkg/RedfishLibs.dsc.inc b/RedfishPkg/RedfishLibs.dsc.inc
> index e780b5c270..df21664f4e 100644
> --- a/RedfishPkg/RedfishLibs.dsc.inc
> +++ b/RedfishPkg/RedfishLibs.dsc.inc
> @@ -11,5 +11,6 @@
>  #
>  ##
>  !if $(REDFISH_ENABLE) == TRUE
> +  RestExLib|RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
>  !endif
> 
> diff --git a/RedfishPkg/RedfishPkg.dsc b/RedfishPkg/RedfishPkg.dsc
> index 0b5d8cdd4e..5d9476bc79 100644
> --- a/RedfishPkg/RedfishPkg.dsc
> +++ b/RedfishPkg/RedfishPkg.dsc
> @@ -49,5 +49,6 @@
>  [Components]
> 
> RedfishPkg/Library/PlatformHostInterfaceLibNull/PlatformHostInterfaceLibNull.
> inf
>    RedfishPkg/Library/PlatformCredentialLibNull/PlatformCredentialLibNull.inf
> +  RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
> 
>    !include RedfishPkg/Redfish.dsc.inc
> diff --git a/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
> b/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
> new file mode 100644
> index 0000000000..ab87224d57
> --- /dev/null
> +++ b/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.inf
> @@ -0,0 +1,44 @@
> +##  @file
> +#   Library for REST EX Protocol
> +#
> +#   (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> +#   SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[Defines]
> +  INF_VERSION                    = 0x0001001b
> +  BASE_NAME                      = DxeRestExLib
> +  FILE_GUID                      = E9CBF727-8AF3-4602-9DBD-A3942869B5AE
> +  MODULE_TYPE                    = DXE_DRIVER
> +  VERSION_STRING                 = 1.0
> +  LIBRARY_CLASS                  = RestExLib | DXE_DRIVER DXE_RUNTIME_DRIVER
> UEFI_APPLICATION UEFI_DRIVER
> +
> +#
> +#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC RISCV64
> +#
> +
> +[Sources.common]
> +  DxeRestExLib.c
> +
> +[Packages]
> +  NetworkPkg/NetworkPkg.dec
> +  MdePkg/MdePkg.dec
> +  MdeModulePkg/MdeModulePkg.dec
> +
> +[LibraryClasses]
> +  BaseLib
> +  BaseMemoryLib
> +  DebugLib
> +  DevicePathLib
> +  MemoryAllocationLib
> +  NetLib
> +  PrintLib
> +  UefiLib
> +  UefiBootServicesTableLib
> +  UefiRuntimeServicesTableLib
> +
> +[Protocols]
> +  gEfiRestExServiceBindingProtocolGuid ## PROTOCOL ALWAYS_CONSUMED
> +  gEfiRestExProtocolGuid               ## PROTOCOL ALWAYS_CONSUMED
> +
> diff --git a/RedfishPkg/Include/Library/RestExLib.h
> b/RedfishPkg/Include/Library/RestExLib.h
> new file mode 100644
> index 0000000000..a83a43e1a1
> --- /dev/null
> +++ b/RedfishPkg/Include/Library/RestExLib.h
> @@ -0,0 +1,40 @@
> +/** @file
> +  This library provides help functions for REST EX Protocol.
> +
> +  (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> +
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef REST_EX_LIB_H_
> +#define REST_EX_LIB_H_
> +
> +///
> +/// Library class public functions
> +///
> +
> +/**
> +  This function allows the caller to create child handle for specific
> +  REST server.
> +
> +  @param[in]  Image                The image handle used to open service.
> +  @param[in]  AccessMode           Access mode of REST server.
> +  @param[in]  ConfigType           Underlying configuration to communicate with
> REST server.
> +  @param[in]  ServiceType          REST service type.
> +  @param[out] ChildInstanceHandle  The handle to receive the create child.
> +
> +  @retval  EFI_SUCCESS            Can't create the corresponding REST EX child
> instance.
> +  @retval  EFI_INVALID_PARAMETERS Any of input parameters is improper.
> +
> +**/
> +EFI_STATUS
> +RestExLibCreateChild (
> +  IN EFI_HANDLE Image,
> +  IN EFI_REST_EX_SERVICE_ACCESS_MODE  AccessMode,
> +  IN EFI_REST_EX_CONFIG_TYPE ConfigType,
> +  IN EFI_REST_EX_SERVICE_TYPE ServiceType,
> +  OUT EFI_HANDLE *ChildInstanceHandle
> +);
> +
> +#endif
> diff --git a/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.c
> b/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.c
> new file mode 100644
> index 0000000000..05c70c213f
> --- /dev/null
> +++ b/RedfishPkg/Library/DxeRestExLib/DxeRestExLib.c
> @@ -0,0 +1,166 @@
> +/** @file
> +  This library provides help functions for REST EX Protocol.
> +
> +  (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> +
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <Uefi.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/NetLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Protocol/Http.h>
> +#include <Protocol/RestEx.h>
> +
> +#define REST_EX_CONFIG_DATA_LEN_UNKNOWN 0xff
> +
> +/**
> +  This function allows the caller to create child handle for specific
> +  REST server.
> +
> +  @param[in]  Image                The image handle used to open service.
> +  @param[in]  AccessMode           Access mode of REST server.
> +  @param[in]  ConfigType           Underlying configuration to communicate with
> REST server.
> +  @param[in]  ServiceType          REST service type.
> +  @param[out] ChildInstanceHandle  The handle to receive the create child.
> +
> +  @retval  EFI_SUCCESS            Can't create the corresponding REST EX child
> instance.
> +  @retval  EFI_INVALID_PARAMETERS Any of input parameters is improper.
> +
> +**/
> +EFI_STATUS
> +RestExLibCreateChild (
> +  IN EFI_HANDLE Image,
> +  IN EFI_REST_EX_SERVICE_ACCESS_MODE  AccessMode,
> +  IN EFI_REST_EX_CONFIG_TYPE ConfigType,
> +  IN EFI_REST_EX_SERVICE_TYPE ServiceType,
> +  OUT EFI_HANDLE *ChildInstanceHandle
> +)
> +{
> +  EFI_STATUS Status;
> +  UINTN NoBuffer;
> +  EFI_HANDLE *Handle;
> +  EFI_HANDLE ChildHandle;
> +  EFI_REST_EX_PROTOCOL *RestEx;
> +  EFI_REST_EX_SERVICE_INFO *RestExServiceInfo;
> +  UINT8 LenOfConfig;
> +
> +  if (Image == NULL ||
> +      AccessMode >= EfiRestExServiceModeMax ||
> +      ConfigType >= EfiRestExConfigTypeMax ||
> +      ServiceType >= EfiRestExServiceTypeMax ||
> +      ChildInstanceHandle == NULL
> +      ) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  *ChildInstanceHandle = NULL;
> +  //
> +  // Locate all REST EX binding service.
> +  //
> +  Handle = NULL;
> +  NoBuffer = 0;
> +  Status = gBS->LocateHandleBuffer (
> +              ByProtocol,
> +              &gEfiRestExServiceBindingProtocolGuid,
> +              NULL,
> +              &NoBuffer,
> +              &Handle
> +            );
> +  if (EFI_ERROR (Status) && Status != EFI_BUFFER_TOO_SMALL) {
> +    return Status;
> +  }
> +  Handle = (EFI_HANDLE *)AllocateZeroPool (sizeof(EFI_HANDLE) * NoBuffer);
> +  if (Handle == NULL) {
> +    return EFI_OUT_OF_RESOURCES;
> +  }
> +  Status = gBS->LocateHandleBuffer (
> +              ByProtocol,
> +              &gEfiRestExServiceBindingProtocolGuid,
> +              NULL,
> +              &NoBuffer,
> +              &Handle
> +            );
> +  if (EFI_ERROR (Status)) {
> +    FreePool (Handle);
> +    return Status;
> +  }
> +
> +  //
> +  // Search for the proper REST EX instance.
> +  //
> +  while (NoBuffer != 0) {
> +    ChildHandle = NULL;
> +    Status = NetLibCreateServiceChild (
> +                *(Handle + (NoBuffer - 1)),
> +                Image,
> +                &gEfiRestExServiceBindingProtocolGuid,
> +                &ChildHandle
> +                );
> +    if (!EFI_ERROR (Status)) {
> +      Status = gBS->OpenProtocol (
> +                  ChildHandle,
> +                  &gEfiRestExProtocolGuid,
> +                  (VOID **)&RestEx,
> +                  Image,
> +                  NULL,
> +                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
> +                  );
> +      if (EFI_ERROR (Status)) {
> +        goto ON_ERROR;
> +      }
> +
> +      //
> +      // Get the information of REST service provided by this EFI REST EX driver
> +      //
> +      Status = RestEx->GetService (
> +                            RestEx,
> +                            &RestExServiceInfo
> +                            );
> +      if (EFI_ERROR (Status)) {
> +        goto ON_ERROR;
> +      }
> +      //
> +      // Check REST EX property.
> +      //
> +      switch (ConfigType) {
> +        case EfiRestExConfigHttp:
> +          LenOfConfig = sizeof (EFI_REST_EX_HTTP_CONFIG_DATA);
> +          break;
> +
> +        case EfiRestExConfigUnspecific:
> +          LenOfConfig = REST_EX_CONFIG_DATA_LEN_UNKNOWN;
> +          break;
> +
> +        default:
> +          goto ON_ERROR;
> +      }
> +      if (RestExServiceInfo->EfiRestExServiceInfoV10.RestServiceAccessMode !=
> AccessMode ||
> +          RestExServiceInfo->EfiRestExServiceInfoV10.RestServiceType !=
> ServiceType ||
> +          RestExServiceInfo->EfiRestExServiceInfoV10.RestExConfigType !=
> ConfigType ||
> +          ((LenOfConfig != REST_EX_CONFIG_DATA_LEN_UNKNOWN) &&
> (RestExServiceInfo->EfiRestExServiceInfoV10.RestExConfigDataLength !=
> LenOfConfig))) {
> +        goto ON_ERROR;
> +      }
> +    }
> +    //
> +    // This is proper REST EX instance.
> +    //
> +    *ChildInstanceHandle = ChildHandle;
> +    FreePool (Handle);
> +    return EFI_SUCCESS;
> +
> +ON_ERROR:;
> +    NetLibDestroyServiceChild (
> +      *(Handle + (NoBuffer - 1)),
> +      Image,
> +      &gEfiRestExServiceBindingProtocolGuid,
> +      ChildHandle
> +      );
> +    NoBuffer --;
> +  };
> +  FreePool (Handle);
> +  return EFI_NOT_FOUND;
> +}
> --
> 2.17.1


      reply	other threads:[~2020-12-24 13:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18  0:22 [PATCH v2] RedfishPkg/DxeRestExLib: DxeRestExLib Abner Chang
2020-12-24 13:52 ` Nickle Wang [this message]

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