From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Christopherson Date: Tue, 6 Feb 2024 12:36:22 -0800 Subject: [PATCH v8 10/10] KVM: selftests: Add a basic SEV smoke test In-Reply-To: <20240203000917.376631-11-seanjc@google.com> References: <20240203000917.376631-1-seanjc@google.com> <20240203000917.376631-11-seanjc@google.com> Message-ID: List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Fri, Feb 02, 2024, Sean Christopherson wrote: > +int main(int argc, char *argv[]) > +{ > + TEST_REQUIRE(is_kvm_sev_supported()); This also needs TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); to handle the case where the platform supports SEV, i.e. /dev/sev exists, but KVM doesn't support SEV, e.g. if TDP is disabled, if SEV was explicitly disabled via module param, etc. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B29C1B805 for ; 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Tue, 06 Feb 2024 12:36:23 -0800 (PST) Date: Tue, 6 Feb 2024 12:36:22 -0800 In-Reply-To: <20240203000917.376631-11-seanjc@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240203000917.376631-1-seanjc@google.com> <20240203000917.376631-11-seanjc@google.com> Message-ID: Subject: Re: [PATCH v8 10/10] KVM: selftests: Add a basic SEV smoke test From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vishal Annapurve , Ackerley Tng , Andrew Jones , Tom Lendacky , Michael Roth , Peter Gonda Content-Type: text/plain; charset="us-ascii" On Fri, Feb 02, 2024, Sean Christopherson wrote: > +int main(int argc, char *argv[]) > +{ > + TEST_REQUIRE(is_kvm_sev_supported()); This also needs TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); to handle the case where the platform supports SEV, i.e. /dev/sev exists, but KVM doesn't support SEV, e.g. if TDP is disabled, if SEV was explicitly disabled via module param, etc. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4720CC48297 for ; Tue, 6 Feb 2024 20:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:From:Subject:Message-ID:References: Mime-Version:In-Reply-To:Date:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Feb 02, 2024, Sean Christopherson wrote: > +int main(int argc, char *argv[]) > +{ > + TEST_REQUIRE(is_kvm_sev_supported()); This also needs TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); to handle the case where the platform supports SEV, i.e. /dev/sev exists, but KVM doesn't support SEV, e.g. if TDP is disabled, if SEV was explicitly disabled via module param, etc. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BBBBCC4829C for ; 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Tue, 06 Feb 2024 12:36:23 -0800 (PST) Date: Tue, 6 Feb 2024 12:36:22 -0800 In-Reply-To: <20240203000917.376631-11-seanjc@google.com> Mime-Version: 1.0 References: <20240203000917.376631-1-seanjc@google.com> <20240203000917.376631-11-seanjc@google.com> Message-ID: Subject: Re: [PATCH v8 10/10] KVM: selftests: Add a basic SEV smoke test From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vishal Annapurve , Ackerley Tng , Andrew Jones , Tom Lendacky , Michael Roth , Peter Gonda X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240206_123625_759390_3AFC484E X-CRM114-Status: UNSURE ( 7.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Feb 02, 2024, Sean Christopherson wrote: > +int main(int argc, char *argv[]) > +{ > + TEST_REQUIRE(is_kvm_sev_supported()); This also needs TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_SEV)); to handle the case where the platform supports SEV, i.e. /dev/sev exists, but KVM doesn't support SEV, e.g. if TDP is disabled, if SEV was explicitly disabled via module param, etc. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel