Now that the Linux guest supports version 2 of the GHCB specification,
bump the maximum supported GHCB protocol version.
Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
---
arch/x86/include/asm/sev.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h
index 7ec91b1359df..134a7c9d91b6 100644
--- a/arch/x86/include/asm/sev.h
+++ b/arch/x86/include/asm/sev.h
@@ -13,7 +13,7 @@
#include <asm/sev-common.h>
#define GHCB_PROTOCOL_MIN 1ULL
-#define GHCB_PROTOCOL_MAX 1ULL
+#define GHCB_PROTOCOL_MAX 2ULL
#define GHCB_DEFAULT_USAGE 0ULL
#define VMGEXIT() { asm volatile("rep; vmmcall\n\r"); }
--
2.17.1
