From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCF6F389116; Tue, 3 Mar 2026 19:15:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772565353; cv=none; b=kUT9lIZzIBifnIllOQZAhawOjSKrCs943va2vcjVrLRsbTufio3z7gb8zttnclXTS//HGFcwsDKbtu0tauXr0dHrHsvTO+VJXXJskqrERixMscdTaZDObPM6FdOjGPucmZ8iZwtJ7ddnrpMQTIODVvDRUpFIYHQa+Xx6Yowpu9A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772565353; c=relaxed/simple; bh=kveI5NdoYoIPiQcLw4KGZAcgSTGkk3UJZOxqHb0xznI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WsadcVwS2efrtEsJz489yljzAe/g2BiKu08zd3OwlX54bUU2OiZraqLaUN7qH9YT4AQ4FDp46QTCGlDvvLpcqEd2jL1t3BLo0ApnAWfjONcCYUcD+ufNO5T/3EyNG+uj6ykwNBFQ1QsRHnyn2wVe7WLZdxOB001LCBhaLR8fF1E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g0sXClsp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="g0sXClsp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D902C2BC87; Tue, 3 Mar 2026 19:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772565353; bh=kveI5NdoYoIPiQcLw4KGZAcgSTGkk3UJZOxqHb0xznI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g0sXClspFtHY3XbFdqQrUUCHWxpbkkh2dvqIz+IwyRrZsfIyVB5Meb3fZhlvLekdd zWqLceVOwjhYcCYdWSWGWxYqF4Li+dDCfXdg6/KOElpVI3NhKO6fXbAqQ5wy3YgyM0 Y/3oXio5DHunahkRExUl+u0r6MXNDABpw29r1EiV2jedB+Ie2TtRnhnuNTsuAP99ie cKaJkn5OeS8DZ5xEENTw/BfWqx79cxP8J+MOjVyf1pIfyORKRpZrwhRJKyFwmSXSN6 I493ITnNim3fGebXVSp055CztwuyxaA3fcaIU6TrEJLHhbbHFnPgrlRubSw78nHFLO 1wcMmZsaIwGBw== From: Tycho Andersen To: Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Ashish Kalra , Tom Lendacky , John Allen , Herbert Xu , "David S. Miller" , Shuah Khan Cc: Kim Phillips , Alexey Kardashevskiy , Nikunj A Dadhania , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH 4/5] kvm/sev: mask off firmware unsupported vm types Date: Tue, 3 Mar 2026 12:15:08 -0700 Message-ID: <20260303191509.1565629-5-tycho@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260303191509.1565629-1-tycho@kernel.org> References: <20260303191509.1565629-1-tycho@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Tycho Andersen (AMD)" In some configurations not all VM types are supported by the firmware. Reflect this information in the supported_vm_types that KVM exports. Link: https://lore.kernel.org/all/aZyLIWtffvEnmtYh@google.com/ Suggested-by: Sean Christopherson Signed-off-by: Tycho Andersen (AMD) --- arch/x86/kvm/svm/sev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index f941d48626d3..eeae39af63a9 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -2976,6 +2976,8 @@ void __init sev_set_cpu_caps(void) supported_vm_types |= BIT(KVM_X86_SNP_VM); } + supported_vm_types &= sev_firmware_supported_vm_types(); + kvm_caps.supported_vm_types |= supported_vm_types; } -- 2.53.0