Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn> > -----邮件原件----- > 发件人: Qingyu <qingyu.sh...@intel.com> > 发送时间: 2024年4月8日 17:28 > 收件人: devel@edk2.groups.io > 抄送: Liming Gao <gaolim...@byosoft.com.cn>; Michael D Kinney > <michael.d.kin...@intel.com>; Zhiguang Liu <zhiguang....@intel.com>; > Gahan Saraiya <gahan.sara...@intel.com> > 主题: [PATCH] MdePkg: Update the comments of GetInformation function > > Refer to Uefi spec 2.10 section 11.11.2, add a new retval > EFI_NOT_FOUND to > EFI_ADAPTER_INFORMATION_PROTOCOL.GetInformation(). > Reference: [mantis #1866] - GetInfo() of Adapter Information > Protocol should have a provision for IHV to return no data. > > Cc: Liming Gao <gaolim...@byosoft.com.cn> > Cc: Michael D Kinney <michael.d.kin...@intel.com> > Cc: Zhiguang Liu <zhiguang....@intel.com> > Signed-off-by: Qingyu <qingyu.sh...@intel.com> > Signed-off-by: Gahan Saraiya <gahan.sara...@intel.com> > --- > MdePkg/Include/Protocol/AdapterInformation.h | 5 ++++- > MdePkg/Library/DxeHstiLib/HstiAip.c | 5 ++++- > 2 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/MdePkg/Include/Protocol/AdapterInformation.h > b/MdePkg/Include/Protocol/AdapterInformation.h > index ed19e5736c3c..8e4448eb0f87 100644 > --- a/MdePkg/Include/Protocol/AdapterInformation.h > +++ b/MdePkg/Include/Protocol/AdapterInformation.h > @@ -140,7 +140,9 @@ typedef struct { > > This function returns information of type InformationType from the > adapter. > If an adapter does not support the requested informational type, then > - EFI_UNSUPPORTED is returned. > + EFI_UNSUPPORTED is returned. If an adapter does not contain > Information for > + the requested InformationType, it fills InformationBlockSize with 0 and > + returns EFI_NOT_FOUND. > > @param[in] This A pointer to the > EFI_ADAPTER_INFORMATION_PROTOCOL instance. > @param[in] InformationType A pointer to an EFI_GUID that > defines the contents of InformationBlock. > @@ -150,6 +152,7 @@ typedef struct { > > @retval EFI_SUCCESS The InformationType > information was retrieved. > @retval EFI_UNSUPPORTED The InformationType is not > known. > + @retval EFI_NOT_FOUND Information is not available for > the requested information type. > @retval EFI_DEVICE_ERROR The device reported an error. > @retval EFI_OUT_OF_RESOURCES The request could not be > completed due to a lack of resources. > @retval EFI_INVALID_PARAMETER This is NULL. > diff --git a/MdePkg/Library/DxeHstiLib/HstiAip.c > b/MdePkg/Library/DxeHstiLib/HstiAip.c > index a2454ffeaa7a..523a712e6f6e 100644 > --- a/MdePkg/Library/DxeHstiLib/HstiAip.c > +++ b/MdePkg/Library/DxeHstiLib/HstiAip.c > @@ -12,7 +12,9 @@ > > This function returns information of type InformationType from the > adapter. > If an adapter does not support the requested informational type, then > - EFI_UNSUPPORTED is returned. > + EFI_UNSUPPORTED is returned. If an adapter does not contain > Information for > + the requested InformationType, it fills InformationBlockSize with 0 and > + returns EFI_NOT_FOUND. > > @param[in] This A pointer to the > EFI_ADAPTER_INFORMATION_PROTOCOL instance. > @param[in] InformationType A pointer to an EFI_GUID that > defines the contents of InformationBlock. > @@ -22,6 +24,7 @@ > > @retval EFI_SUCCESS The InformationType > information was retrieved. > @retval EFI_UNSUPPORTED The InformationType is not > known. > + @retval EFI_NOT_FOUND Information is not available for > the requested information type. > @retval EFI_DEVICE_ERROR The device reported an error. > @retval EFI_OUT_OF_RESOURCES The request could not be > completed due to a lack of resources. > @retval EFI_INVALID_PARAMETER This is NULL. > -- > 2.39.1.windows.1
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