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-rw-r--r--arch/x86/include/asm/sev.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index a3203b2caaca..8c934bda2a90 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -42,6 +42,24 @@ struct es_em_ctxt {
struct es_fault_info fi;
};
+/*
+ * AMD SEV Confidential computing blob structure. The structure is
+ * defined in OVMF UEFI firmware header:
+ * https://github.com/tianocore/edk2/blob/master/OvmfPkg/Include/Guid/ConfidentialComputingSevSnpBlob.h
+ */
+#define CC_BLOB_SEV_HDR_MAGIC 0x45444d41
+struct cc_blob_sev_info {
+ u32 magic;
+ u16 version;
+ u16 reserved;
+ u64 secrets_phys;
+ u32 secrets_len;
+ u32 rsvd1;
+ u64 cpuid_phys;
+ u32 cpuid_len;
+ u32 rsvd2;
+} __packed;
+
void do_vc_no_ghcb(struct pt_regs *regs, unsigned long exit_code);
static inline u64 lower_bits(u64 val, unsigned int bits)