Message ID | 20230127113932.166089-31-suzuki.poulose@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@vger.kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CBB9C61DB3 for <kvm@archiver.kernel.org>; Fri, 27 Jan 2023 11:43:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233882AbjA0Lm5 (ORCPT <rfc822;kvm@archiver.kernel.org>); Fri, 27 Jan 2023 06:42:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233930AbjA0LmB (ORCPT <rfc822;kvm@vger.kernel.org>); Fri, 27 Jan 2023 06:42:01 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B2C177C31A; Fri, 27 Jan 2023 03:41:30 -0800 (PST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A914E1691; Fri, 27 Jan 2023 03:41:56 -0800 (PST) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 08A9B3F64C; Fri, 27 Jan 2023 03:41:11 -0800 (PST) From: Suzuki K Poulose <suzuki.poulose@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: suzuki.poulose@arm.com, Alexandru Elisei <alexandru.elisei@arm.com>, Andrew Jones <andrew.jones@linux.dev>, Christoffer Dall <christoffer.dall@arm.com>, Fuad Tabba <tabba@google.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, Joey Gouly <Joey.Gouly@arm.com>, Marc Zyngier <maz@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Paolo Bonzini <pbonzini@redhat.com>, Quentin Perret <qperret@google.com>, Steven Price <steven.price@arm.com>, Thomas Huth <thuth@redhat.com>, Will Deacon <will@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>, linux-coco@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly <joey.gouly@arm.com> Subject: [RFC kvmtool 30/31] arm64: realm: inject an abort on an unhandled MMIO access Date: Fri, 27 Jan 2023 11:39:31 +0000 Message-Id: <20230127113932.166089-31-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230127113932.166089-1-suzuki.poulose@arm.com> References: <20230127112248.136810-1-suzuki.poulose@arm.com> <20230127113932.166089-1-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
Series |
arm64: Support for Arm Confidential Compute Architecture
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diff --git a/arm/kvm-cpu.c b/arm/kvm-cpu.c index 90a15ae9..c96d75eb 100644 --- a/arm/kvm-cpu.c +++ b/arm/kvm-cpu.c @@ -155,4 +155,13 @@ void kvm_cpu__show_page_tables(struct kvm_cpu *vcpu) void kvm_cpu__arch_unhandled_mmio(struct kvm_cpu *vcpu) { + struct kvm_vcpu_events events = { }; + + if (!vcpu->kvm->cfg.arch.is_realm) + return; + + events.exception.ext_dabt_pending = 1; + + if (ioctl(vcpu->vcpu_fd, KVM_SET_VCPU_EVENTS, &events) < 0) + die_perror("KVM_SET_VCPU_EVENTS failed"); }