Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn>
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Junfeng Guan
> 发送时间: 2023年12月27日 9:57
> 收件人: devel@edk2.groups.io
> 抄送: Michael D Kinney <michael.d.kin...@intel.com>; Liming Gao
> <gaolim...@byosoft.com.cn>; Zhiguang Liu <zhiguang....@intel.com>; Yi Li
> <yi1...@intel.com>
> 主题: [edk2-devel] [PATCH 1/1] MdePkg: Update the Label definitions of the
> EFI_NVDIMM_LABEL
>
> Refer to Uefi spec 2.10 section 13.19.5, update the label definitions
> for NVDIMM SPA location cookie.
>
> Signed-off-by: Junfeng Guan <junfengx.g...@intel.com>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Liming Gao <gaolim...@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang....@intel.com>
> Cc: Yi Li <yi1...@intel.com>
> ---
> MdePkg/Include/Protocol/NvdimmLabel.h | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/MdePkg/Include/Protocol/NvdimmLabel.h
> b/MdePkg/Include/Protocol/NvdimmLabel.h
> index e46999a3ab4a..2352c9bd1652 100644
> --- a/MdePkg/Include/Protocol/NvdimmLabel.h
> +++ b/MdePkg/Include/Protocol/NvdimmLabel.h
> @@ -122,6 +122,12 @@ typedef struct {
> ///
> #define EFI_NVDIMM_LABEL_FLAGS_UPDATING 0x00000008
>
> +///
> +/// When set, the SPALocationCookie in the namespace label is valid and
> should match the
> +/// current value in the NFIT SPA Range Structure.
> +///
> +#define EFI_NVDIMM_LABEL_FLAGS_SPACOOKIE_BOUND 0x00000010
> +
> typedef struct {
> ///
> /// Unique Label Identifier UUID per RFC 4122.
> @@ -196,10 +202,18 @@ typedef struct {
> ///
> EFI_GUID AddressAbstractionGuid;
>
> + ///
> + /// When creating the label, this value is set to the value from the
NFIT
> SPA Range Structure if the
> + /// SPALocationCookie flag (bit 2) is set. If
> EFI_NVDIMM_LABEL_FLAGS_SPACOOKIE_BOUND is set, the
> SPALocationCookie
> + /// value stored in the namespace label should match the current value
in
> the NFIT SPA Range Structure.
> + /// Otherwise, the data may not be read correctly.
> + ///
> + UINT64 SPALocationCookie;
> +
> ///
> /// Shall be 0.
> ///
> - UINT8 Reserved1[88];
> + UINT8 Reserved1[80];
>
> ///
> /// 64-bit Fletcher64 checksum of all fields in this Label.
> --
> 2.26.2.windows.1
>
>
>
>
>
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