From 7831221941cccbde922412c1550ed8b4bce7c361 Mon Sep 17 00:00:00 2001 From: Michael Roth Date: Thu, 30 May 2024 06:16:23 -0500 Subject: [PATCH] i386/cpu: Set SEV-SNP CPUID bit when SNP enabled SNP guests will rely on this bit to determine certain feature support. Signed-off-by: Michael Roth Signed-off-by: Pankaj Gupta Message-ID: <20240530111643.1091816-12-pankaj.gupta@amd.com> Signed-off-by: Paolo Bonzini --- target/i386/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index bc2dceb647..914bef442c 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6979,6 +6979,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, if (sev_enabled()) { *eax = 0x2; *eax |= sev_es_enabled() ? 0x8 : 0; + *eax |= sev_snp_enabled() ? 0x10 : 0; *ebx = sev_get_cbit_position() & 0x3f; /* EBX[5:0] */ *ebx |= (sev_get_reduced_phys_bits() & 0x3f) << 6; /* EBX[11:6] */ }