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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