From nobody Tue Feb 10 20:06:59 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1633248412281803.8415741727014; Sun, 3 Oct 2021 01:06:52 -0700 (PDT) Received: from localhost ([::1]:49624 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mWwWI-0007NL-Mw for importer@patchew.org; Sun, 03 Oct 2021 04:06:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36900) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mWw9P-0003ti-Cv for qemu-devel@nongnu.org; Sun, 03 Oct 2021 03:43:11 -0400 Received: from mail-ed1-x52a.google.com ([2a00:1450:4864:20::52a]:44559) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mWw9N-0000xi-NO for qemu-devel@nongnu.org; Sun, 03 Oct 2021 03:43:11 -0400 Received: by mail-ed1-x52a.google.com with SMTP id v18so50892439edc.11 for ; Sun, 03 Oct 2021 00:43:09 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id n6sm5560856eds.10.2021.10.03.00.43.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Oct 2021 00:43:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FwA+wilZzoFxPcnuwn2ma5jaPENmzxYB5mdqfNqBOVY=; b=CodWZa8wnW/kL99qrSc1zf2Z7/VGVKYbDFnFTXd2ii4UcItVNjQqSsPuG69z8TCWcm rfJvTqeb0vU0A9BSx6W7T4As6FW7LKcTK7Z3I+G2Cj5LKMcN/5tCr7u9Ugmn08SUHGgc /nMReaE07y7ZupmDklcToujMqsqMM5Eov6fVgt52muJYFMmZ2phtGkuMhLpVtUjKWErH F5TuMVKvMHm9r/E5vD/tBQjGFGqdwHoaglHO0buFUOmezDhhXMR6ZKcUYuudtYZCplQ9 i2D0cnna6tEtb6CJxJrzRzZqpra+BCA/Uu8CjsA/kJbdSqR1hXD94ubzNxWjdRWGeBJf Uxkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=FwA+wilZzoFxPcnuwn2ma5jaPENmzxYB5mdqfNqBOVY=; b=nhP1UOYetxHWqSwyPUbWm7G+R8NYFO8if63Cu21QTvKqmcjDfNiBU8j2e02uZmBlrV EHsqvAlkDVXFN5OaqIHE37FgQmNLw/qdzQPHa7AzUoduByctd0aoIT/QsrsGOcrAct3k CEOHHThmwnLrWyrwIy8vqdNSgWhFuWTp7jiFF0tfyobStUcRdLoskVnLLNuUAs8iNfOu WjQY6ncOuY6olKmzClG65tNmHEgk78y1Q54MxP04BkgCn9Z9WIQGfwxJc6FxrBSUZy/r 21lVRmCke025+p3RBuODwlKrH7R0CO9WJ/Wb1h7Z34TLlRZNWcKkTXDzcWc0rdgODc2u W2sg== X-Gm-Message-State: AOAM5336mDYyWhn3VkXw/JVlteLRjOSR35lmE0U9eyfipgOQuIwtJd9p WPgrgB5oQaD4RiRVEaKaDC39vE1FVU0= X-Google-Smtp-Source: ABdhPJzSLgcM9MFIA0UE+O9mqsS4y415L6TUNJ7egvW7wu3lTjF1M1WtWleSrZAz3XgIpYmHfbKo2A== X-Received: by 2002:a17:906:128f:: with SMTP id k15mr8980626ejb.334.1633246988521; Sun, 03 Oct 2021 00:43:08 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 22/30] i386: Change the default Hyper-V version to match WS2016 Date: Sun, 3 Oct 2021 09:42:42 +0200 Message-Id: <20211003074250.60869-23-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211003074250.60869-1-pbonzini@redhat.com> References: <20211003074250.60869-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::52a; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x52a.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Vitaly Kuznetsov Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1633248413062100001 Content-Type: text/plain; charset="utf-8" From: Vitaly Kuznetsov KVM implements some Hyper-V 2016 functions so providing WS2008R2 version is somewhat incorrect. While generally guests shouldn't care about it and always check feature bits, it is known that some tools in Windows actually check version info. For compatibility reasons make the change for 6.2 machine types only. Signed-off-by: Vitaly Kuznetsov Message-Id: <20210902093530.345756-9-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini --- docs/hyperv.txt | 2 +- hw/i386/pc.c | 6 +++++- target/i386/cpu.c | 6 +++--- 3 files changed, 9 insertions(+), 5 deletions(-) diff --git a/docs/hyperv.txt b/docs/hyperv.txt index 7803495468..5d99fd9a72 100644 --- a/docs/hyperv.txt +++ b/docs/hyperv.txt @@ -214,7 +214,7 @@ exposing correct vCPU topology and vCPU pinning. 3.20. hv-version-id-{build,major,minor,spack,sbranch,snumber} =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D This changes Hyper-V version identification in CPUID 0x40000002.EAX-EDX fr= om the -default (WS2008R2). +default (WS2016). - hv-version-id-build sets 'Build Number' (32 bits) - hv-version-id-major sets 'Major Version' (16 bits) - hv-version-id-minor sets 'Minor Version' (16 bits) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 28e1b83b9d..86223acfd3 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -93,7 +93,11 @@ #include "trace.h" #include CONFIG_DEVICES =20 -GlobalProperty pc_compat_6_1[] =3D {}; +GlobalProperty pc_compat_6_1[] =3D { + { TYPE_X86_CPU, "hv-version-id-build", "0x1bbc" }, + { TYPE_X86_CPU, "hv-version-id-major", "0x0006" }, + { TYPE_X86_CPU, "hv-version-id-minor", "0x0001" }, +}; const size_t pc_compat_6_1_len =3D G_N_ELEMENTS(pc_compat_6_1); =20 GlobalProperty pc_compat_6_0[] =3D { diff --git a/target/i386/cpu.c b/target/i386/cpu.c index d1d057fabe..a7b1b6aa93 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6838,11 +6838,11 @@ static Property x86_cpu_properties[] =3D { =20 /* WS2008R2 identify by default */ DEFINE_PROP_UINT32("hv-version-id-build", X86CPU, hyperv_ver_id_build, - 0x1bbc), + 0x3839), DEFINE_PROP_UINT16("hv-version-id-major", X86CPU, hyperv_ver_id_major, - 0x0006), + 0x000A), DEFINE_PROP_UINT16("hv-version-id-minor", X86CPU, hyperv_ver_id_minor, - 0x0001), + 0x0000), DEFINE_PROP_UINT32("hv-version-id-spack", X86CPU, hyperv_ver_id_sp, 0), DEFINE_PROP_UINT8("hv-version-id-sbranch", X86CPU, hyperv_ver_id_sb, 0= ), DEFINE_PROP_UINT32("hv-version-id-snumber", X86CPU, hyperv_ver_id_sn, = 0), --=20 2.31.1