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-rw-r--r--include/xen/interface/xen-mca.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/xen/interface/xen-mca.h b/include/xen/interface/xen-mca.h
index d7a45f08fb48..7483a78d2425 100644
--- a/include/xen/interface/xen-mca.h
+++ b/include/xen/interface/xen-mca.h
@@ -331,7 +331,11 @@ struct xen_mc {
};
DEFINE_GUEST_HANDLE_STRUCT(xen_mc);
-/* Fields are zero when not available */
+/*
+ * Fields are zero when not available. Also, this struct is shared with
+ * userspace mcelog and thus must keep existing fields at current offsets.
+ * Only add new fields to the end of the structure
+ */
struct xen_mce {
__u64 status;
__u64 misc;
@@ -352,6 +356,9 @@ struct xen_mce {
__u32 socketid; /* CPU socket ID */
__u32 apicid; /* CPU initial apic ID */
__u64 mcgcap; /* MCGCAP MSR: machine check capabilities of CPU */
+ __u64 synd; /* MCA_SYND MSR: only valid on SMCA systems */
+ __u64 ipid; /* MCA_IPID MSR: only valid on SMCA systems */
+ __u64 ppin; /* Protected Processor Inventory Number */
};
/*