sev/i386: Require in-kernel irqchip support for SEV-ES guests
In prep for AP booting, require the use of in-kernel irqchip support. This lessens the Qemu support burden required to boot APs. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <richard.henderson@linaro.org> Cc: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com> Message-Id: <e9aec5941e613456f0757f5a73869cdc5deea105.1611682609.git.thomas.lendacky@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -753,6 +753,12 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp)
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sev->api_minor = status.api_minor;
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if (sev_es_enabled()) {
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if (!kvm_kernel_irqchip_allowed()) {
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error_report("%s: SEV-ES guests require in-kernel irqchip support",
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__func__);
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goto err;
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}
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if (!(status.flags & SEV_STATUS_FLAGS_CONFIG_ES)) {
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error_report("%s: guest policy requires SEV-ES, but "
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"host SEV-ES support unavailable",
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