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| author | Junfeng Guan <junfengx.guan@intel.com> | 2023-12-22 09:46:30 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-01-16 06:41:53 +0000 |
| commit | a4b8944e27f497b0f4dbfb6aa412decab2874b58 (patch) | |
| tree | 906baf4c99ab738b8574a6d17d4f37d8ee3de8a6 /MdePkg | |
| parent | 682a5ed1a229443a259da2df9f961a0448071e3e (diff) | |
| download | edk2-a4b8944e27f497b0f4dbfb6aa412decab2874b58.tar.gz | |
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.guan@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Protocol/NvdimmLabel.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/MdePkg/Include/Protocol/NvdimmLabel.h b/MdePkg/Include/Protocol/NvdimmLabel.h index 59416f11cb..0ba1003243 100644 --- a/MdePkg/Include/Protocol/NvdimmLabel.h +++ b/MdePkg/Include/Protocol/NvdimmLabel.h @@ -124,6 +124,12 @@ 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.
@@ -199,9 +205,17 @@ 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.
|