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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDB41C7EE22 for ; Thu, 4 May 2023 20:54:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230270AbjEDUya (ORCPT ); Thu, 4 May 2023 16:54:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230163AbjEDUy1 (ORCPT ); Thu, 4 May 2023 16:54:27 -0400 Received: from NAM04-BN8-obe.outbound.protection.outlook.com (mail-bn8nam04on2072.outbound.protection.outlook.com [40.107.100.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC6C7A270 for ; Thu, 4 May 2023 13:54:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ErqjifAuANbJsZEVJ6QoqzkxjKYDvihSnkuMt8FIi0H/GA1szp62hDvioevQhdRcv3lsFLhLBe7bZnG/1uyp7vtvWb5T3PrJemliWwq3IDuOaZihOZQB7dJyt1hwNQ8veqzx6zThSw+TY5qw9sSul7JEnnk+YfhGuVkQM8PVaWMc7wlRVUK2lm9Hw9gKLI7N4AL4rCNsouWhzjCb+AhdHzVtkdQ7wP/103EAoXtnBJrbkRQXhrHYwIj5TpAJ6/YFj5yGN2Z+W8ICIB33ecF3lm3xhUWfjZ4GVtnJB2JKswhpjpc9lH2ucuDI42JjoUnUftadh8hFXj8xWkLFdN1pMw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=QYcnc4H9ARvb3HyRAdSp8NVzqXsbscxUazPWWvlYKzo=; b=Wa1MGN1eo8DtB0YKAVcejkptc/JBU1dogPAAtBzI9QZJtpp+GO0lLvWzZVJsoR6q0ffmcDgnNKuIKuoC/0L4ouwA9/6IqxJUh5qn6czOVzJtR2F8FssZDUgzMw+UPOg3RjIMTPwgLiya/DCpp6jLzip2JqNfNoVXL+CL51GwJmCYSOKtg/a60IQ9OamiWJq7TsuIOKgx1TaEiN28xlrxJBsqVxKH92mQh4to5Z69OTyTAa1HzjxqPVkgk4r+3nfN6G+cVCXNSoq3oAg+S0BW9bNLCBXKbL3TtaDipzVeXAhV+Wpa0oxu1L8ve43Ii3Lh9oq+OVPS4uZgjqk+LCPVhg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=redhat.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QYcnc4H9ARvb3HyRAdSp8NVzqXsbscxUazPWWvlYKzo=; b=3OO7Z1f6DOBUMGM36b02j8WmCrXHwgwsii5yC0djtaooGuigGkr8tN3TWkF/kf8CjCPyGx0WsAomPHFenoDH8F23XwgKN4r1KKTwPi3aebDGiS9A9D0oQrWpMyWR3WwyRD6W43Yb16HKByq25mxVif2orX+c27/ksJSWOdnI1D4= Received: from MW4PR04CA0192.namprd04.prod.outlook.com (2603:10b6:303:86::17) by DS7PR12MB8204.namprd12.prod.outlook.com (2603:10b6:8:e1::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6363.22; Thu, 4 May 2023 20:53:30 +0000 Received: from CO1NAM11FT046.eop-nam11.prod.protection.outlook.com (2603:10b6:303:86:cafe::48) by MW4PR04CA0192.outlook.office365.com (2603:10b6:303:86::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6363.26 via Frontend Transport; Thu, 4 May 2023 20:53:30 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1NAM11FT046.mail.protection.outlook.com (10.13.174.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6363.27 via Frontend Transport; Thu, 4 May 2023 20:53:30 +0000 Received: from bmoger-ubuntu.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 4 May 2023 15:53:23 -0500 From: Babu Moger To: , CC: , , , , , , , , , , , , , , , , , Subject: [PATCH v4 1/7] target/i386: allow versioned CPUs to specify new cache_info Date: Thu, 4 May 2023 15:53:06 -0500 Message-ID: <20230504205313.225073-2-babu.moger@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230504205313.225073-1-babu.moger@amd.com> References: <20230504205313.225073-1-babu.moger@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT046:EE_|DS7PR12MB8204:EE_ X-MS-Office365-Filtering-Correlation-Id: ac4a66cc-2100-4f0b-60dc-08db4ce19e05 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(376002)(136003)(346002)(39860400002)(396003)(451199021)(46966006)(40470700004)(36840700001)(40460700003)(478600001)(4326008)(70206006)(7696005)(70586007)(6666004)(54906003)(316002)(110136005)(86362001)(36756003)(426003)(47076005)(336012)(26005)(36860700001)(1076003)(8676002)(8936002)(7416002)(5660300002)(44832011)(41300700001)(2906002)(82310400005)(40480700001)(356005)(81166007)(16526019)(186003)(83380400001)(2616005)(82740400003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2023 20:53:30.3843 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ac4a66cc-2100-4f0b-60dc-08db4ce19e05 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT046.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8204 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Michael Roth New EPYC CPUs versions require small changes to their cache_info's. Because current QEMU x86 CPU definition does not support versioned cach_info, we would have to declare a new CPU type for each such case. To avoid the dup work, add "cache_info" in X86CPUVersionDefinition", to allow new cache_info pointers to be specified for a new CPU version. Co-developed-by: Wei Huang Signed-off-by: Wei Huang Signed-off-by: Michael Roth Signed-off-by: Babu Moger Acked-by: Michael S. Tsirkin --- target/i386/cpu.c | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6576287e5b..6e5d2779c9 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1598,6 +1598,7 @@ typedef struct X86CPUVersionDefinition { const char *alias; const char *note; PropValue *props; + const CPUCaches *const cache_info; } X86CPUVersionDefinition; /* Base definition for a CPU model */ @@ -5192,6 +5193,31 @@ static void x86_cpu_apply_version_props(X86CPU *cpu, X86CPUModel *model) assert(vdef->version == version); } +static const CPUCaches *x86_cpu_get_versioned_cache_info(X86CPU *cpu, + X86CPUModel *model) +{ + const X86CPUVersionDefinition *vdef; + X86CPUVersion version = x86_cpu_model_resolve_version(model); + const CPUCaches *cache_info = model->cpudef->cache_info; + + if (version == CPU_VERSION_LEGACY) { + return cache_info; + } + + for (vdef = x86_cpu_def_get_versions(model->cpudef); vdef->version; vdef++) { + if (vdef->cache_info) { + cache_info = vdef->cache_info; + } + + if (vdef->version == version) { + break; + } + } + + assert(vdef->version == version); + return cache_info; +} + /* * Load data from X86CPUDefinition into a X86CPU object. * Only for builtin_x86_defs models initialized with x86_register_cpudef_types. @@ -5224,7 +5250,7 @@ static void x86_cpu_load_model(X86CPU *cpu, X86CPUModel *model) } /* legacy-cache defaults to 'off' if CPU model provides cache info */ - cpu->legacy_cache = !def->cache_info; + cpu->legacy_cache = !x86_cpu_get_versioned_cache_info(cpu, model); env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR; @@ -6703,14 +6729,17 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) /* Cache information initialization */ if (!cpu->legacy_cache) { - if (!xcc->model || !xcc->model->cpudef->cache_info) { + const CPUCaches *cache_info = + x86_cpu_get_versioned_cache_info(cpu, xcc->model); + + if (!xcc->model || !cache_info) { g_autofree char *name = x86_cpu_class_get_model_name(xcc); error_setg(errp, "CPU model '%s' doesn't support legacy-cache=off", name); return; } env->cache_info_cpuid2 = env->cache_info_cpuid4 = env->cache_info_amd = - *xcc->model->cpudef->cache_info; + *cache_info; } else { /* Build legacy cache information */ env->cache_info_cpuid2.l1d_cache = &legacy_l1d_cache; -- 2.34.1