From patchwork Thu Jan 7 15:06:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Kuznetsov X-Patchwork-Id: 12004323 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DCA6C433E0 for ; Thu, 7 Jan 2021 15:08:50 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1044C233CE for ; Thu, 7 Jan 2021 15:08:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1044C233CE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxWu9-0000KU-2o for qemu-devel@archiver.kernel.org; Thu, 07 Jan 2021 10:08:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:37188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxWsJ-0006m7-PX for qemu-devel@nongnu.org; Thu, 07 Jan 2021 10:06:56 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:57985) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kxWsG-0003j7-Ao for qemu-devel@nongnu.org; Thu, 07 Jan 2021 10:06:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610032010; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=+N4xa4491VRr921skCVuC8JUk2UBa4R/H9Hjzvypa0k=; b=goVlvT1t6ywV0KAfSrYaJ/Cr31vT+a5rIIGabOOii7EAwMD2FXEErROkS+ofLW2FwCCidt XHa64EeBDCUWJUm2EVu8rvtaySMRpHYZFD0Qh2KfWGAvoUudhR8jQOLKyxPR+mAkGwMrKQ e9MAmG6OSnc2d+nz7CQz35OVw9VxGQc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-540-3uSdBrRBOgq0mGZ4hhiH3w-1; Thu, 07 Jan 2021 10:06:48 -0500 X-MC-Unique: 3uSdBrRBOgq0mGZ4hhiH3w-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4B1C1801B18 for ; Thu, 7 Jan 2021 15:06:47 +0000 (UTC) Received: from vitty.brq.redhat.com (unknown [10.40.195.131]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3DCE660861; Thu, 7 Jan 2021 15:06:41 +0000 (UTC) From: Vitaly Kuznetsov To: qemu-devel@nongnu.org Subject: [PATCH v3 00/19] i386: KVM: expand Hyper-V features early and provide simple 'hv-default=on' option Date: Thu, 7 Jan 2021 16:06:21 +0100 Message-Id: <20210107150640.539239-1-vkuznets@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=vkuznets@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=vkuznets@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.246, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Marcelo Tosatti , Eduardo Habkost , Igor Mammedov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series is a successor of "[PATCH RFC v3 00/23] i386: KVM: expand Hyper-V features early" and "[PATCH v2 2/2] i386: provide simple 'hyperv=on'" option to x86 machine types". Changes: - Make 'hv-default' a CPU option and not a machine type option [Igor]. - Introduce a simple qtest [Eduardo]. - Update linux headers from 5.11-rc2. Description: Upper layer tools like libvirt want to figure out which Hyper-V features are supported by the underlying stack (QEMU/KVM) but currently they are unable to do so. We have a nice 'hv_passthrough' CPU flag supported by QEMU but it has no effect on e.g. QMP's query-cpu-model-expansion type=full model={"name":"host","props":{"hv-passthrough":true}} command as we parse Hyper-V features after creating KVM vCPUs and not at feature expansion time. To support the use-case we first need to make KVM_GET_SUPPORTED_HV_CPUID ioctl a system-wide ioctl as the existing vCPU version can't be used that early. This is what KVM part does. With that done, we can make early Hyper-V feature expansion (this series). In addition, provide a simple 'hv-default' option which enables (and requires from KVM) all currently supported Hyper-V enlightenments. Unlike 'hv_passthrough' mode, this is going to be migratable. Vitaly Kuznetsov (19): linux-headers: update against 5.11-rc2 i386: introduce kvm_hv_evmcs_available() i386: keep hyperv_vendor string up-to-date i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough i386: always fill Hyper-V CPUID feature leaves from X86CPU data i386: stop using env->features[] for filling Hyper-V CPUIDs i386: introduce hyperv_feature_supported() i386: introduce hv_cpuid_get_host() i386: drop FEAT_HYPERV feature leaves i386: introduce hv_cpuid_cache i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids() i386: move eVMCS enablement to hyperv_init_vcpu() i386: switch hyperv_expand_features() to using error_setg() i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size i386: prefer system KVM_GET_SUPPORTED_HV_CPUID ioctl over vCPU's one i386: use global kvm_state in hyperv_enabled() check i386: expand Hyper-V features during CPU feature expansion time i386: provide simple 'hv-default=on' option qtest/hyperv: Introduce a simple hyper-v test MAINTAINERS | 1 + docs/hyperv.txt | 16 +- .../infiniband/hw/vmw_pvrdma/pvrdma_verbs.h | 2 +- include/standard-headers/drm/drm_fourcc.h | 175 +++++- include/standard-headers/linux/const.h | 36 ++ include/standard-headers/linux/ethtool.h | 2 +- include/standard-headers/linux/fuse.h | 30 +- include/standard-headers/linux/kernel.h | 9 +- include/standard-headers/linux/pci_regs.h | 16 + include/standard-headers/linux/vhost_types.h | 9 + include/standard-headers/linux/virtio_gpu.h | 82 +++ include/standard-headers/linux/virtio_ids.h | 44 +- linux-headers/asm-arm64/kvm.h | 3 - linux-headers/asm-generic/unistd.h | 6 +- linux-headers/asm-mips/unistd_n32.h | 1 + linux-headers/asm-mips/unistd_n64.h | 1 + linux-headers/asm-mips/unistd_o32.h | 1 + linux-headers/asm-powerpc/unistd_32.h | 1 + linux-headers/asm-powerpc/unistd_64.h | 1 + linux-headers/asm-s390/unistd_32.h | 1 + linux-headers/asm-s390/unistd_64.h | 1 + linux-headers/asm-x86/kvm.h | 1 + linux-headers/asm-x86/unistd_32.h | 1 + linux-headers/asm-x86/unistd_64.h | 1 + linux-headers/asm-x86/unistd_x32.h | 1 + linux-headers/linux/kvm.h | 56 +- linux-headers/linux/userfaultfd.h | 9 + linux-headers/linux/vfio.h | 1 + linux-headers/linux/vhost.h | 4 + scripts/update-linux-headers.sh | 5 +- target/i386/cpu.c | 151 ++--- target/i386/cpu.h | 11 +- target/i386/kvm/kvm-stub.c | 10 + target/i386/kvm/kvm.c | 524 ++++++++++-------- target/i386/kvm/kvm_i386.h | 2 + tests/qtest/hyperv-test.c | 238 ++++++++ tests/qtest/meson.build | 3 +- 37 files changed, 1074 insertions(+), 382 deletions(-) create mode 100644 include/standard-headers/linux/const.h create mode 100644 tests/qtest/hyperv-test.c