From: Brijesh Singh <brijesh.singh@xxxxxxx> Add a module parameter than can be used to enable or disable the SEV-SNP feature. Now that KVM contains the support for the SNP set the GHCB hypervisor feature flag to indicate that SNP is supported. Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx> Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx> Signed-off-by: Michael Roth <michael.roth@xxxxxxx> --- arch/x86/kvm/svm/sev.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 543926fa3200..adbe8c242d81 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -54,14 +54,16 @@ module_param_named(sev, sev_enabled, bool, 0444); /* enable/disable SEV-ES support */ static bool sev_es_enabled = true; module_param_named(sev_es, sev_es_enabled, bool, 0444); + +/* enable/disable SEV-SNP support */ +static bool sev_snp_enabled = true; +module_param_named(sev_snp, sev_snp_enabled, bool, 0444); #else #define sev_enabled false #define sev_es_enabled false +#define sev_snp_enabled false #endif /* CONFIG_KVM_AMD_SEV */ -/* enable/disable SEV-SNP support */ -static bool sev_snp_enabled; - #define AP_RESET_HOLD_NONE 0 #define AP_RESET_HOLD_NAE_EVENT 1 #define AP_RESET_HOLD_MSR_PROTO 2 -- 2.25.1
