add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/include/xen/interface/xen-mca.h
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@@ -183,7 +183,6 @@
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 DEFINE_GUEST_HANDLE_STRUCT(mc_info);
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 #define __MC_MSR_ARRAYSIZE 8
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-#define __MC_MSR_MCGCAP 0
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 #define __MC_NMSRS 1
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 #define MC_NCAPS 7
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 struct mcinfo_logical_cpu {
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@@ -332,7 +331,11 @@
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 };
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 DEFINE_GUEST_HANDLE_STRUCT(xen_mc);
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-/* Fields are zero when not available */
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+/*
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+ * Fields are zero when not available. Also, this struct is shared with
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+ * userspace mcelog and thus must keep existing fields at current offsets.
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+ * Only add new fields to the end of the structure
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+ */
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 struct xen_mce {
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 	__u64 status;
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 	__u64 misc;
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@@ -353,6 +356,9 @@
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 	__u32 socketid;	/* CPU socket ID */
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 	__u32 apicid;	/* CPU initial apic ID */
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 	__u64 mcgcap;	/* MCGCAP MSR: machine check capabilities of CPU */
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+	__u64 synd;	/* MCA_SYND MSR: only valid on SMCA systems */
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+	__u64 ipid;	/* MCA_IPID MSR: only valid on SMCA systems */
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+	__u64 ppin;	/* Protected Processor Inventory Number */
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 };
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 /*