From nobody Tue Feb 10 04:20:53 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=reject dis=none) header.from=google.com ARC-Seal: i=1; a=rsa-sha256; t=1734111031; cv=none; d=zohomail.com; s=zohoarc; b=mlJXBLJitYHupFzZ9Y/9ttbPFt5jzz5pf04xTk8oFwIvofIt+IGwMLmum4vNaP9L0Yw3jOGsrs4OnHdKMLr4BMnLBy/q+4IVPBlBvIJ+zqchKpzQlRwiML2uw8lzxej4XMOfidg1Oe8YFLzS6nb0RNNdKWF8+U49nYbz4YBzzIo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1734111031; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=yrlaSRZ8054fQhMNBYWcK8NfFEF1eZz8tbpXey1V4pI=; b=la6uVmdHa1wkd+huymE2w/Vx8AAk84OEQ/P/1DEtUHcZJSvfDcw5pufjMvEO1PvdOCe/fcTArFK6HTwYZPwsqbZ2IYEAoJGfYwg7qX7OjkKKlZ4nbYnHpcOyAdmyMg6ARlFtpjLUagquE+1uno9/Ykt59n47y3dGAVzPzOa2IvE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1734111031547979.8621830602813; Fri, 13 Dec 2024 09:30:31 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tM9Rb-0008UI-0C; Fri, 13 Dec 2024 12:27:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <3am5cZwgKCvkxifoesjlhpphmf.dpnrfnv-efwfmopohov.psh@flex--whendrik.bounces.google.com>) id 1tM9RY-0008T3-5Q for qemu-devel@nongnu.org; Fri, 13 Dec 2024 12:27:12 -0500 Received: from mail-wm1-x349.google.com ([2a00:1450:4864:20::349]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <3am5cZwgKCvkxifoesjlhpphmf.dpnrfnv-efwfmopohov.psh@flex--whendrik.bounces.google.com>) id 1tM9RU-0007qy-QK for qemu-devel@nongnu.org; Fri, 13 Dec 2024 12:27:11 -0500 Received: by mail-wm1-x349.google.com with SMTP id 5b1f17b1804b1-4361fc2b2d6so4807785e9.3 for ; Fri, 13 Dec 2024 09:27:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1734110827; x=1734715627; darn=nongnu.org; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:from:to:cc:subject:date:message-id :reply-to; bh=yrlaSRZ8054fQhMNBYWcK8NfFEF1eZz8tbpXey1V4pI=; b=Lf+e2c979bY9R5Ft8UicjZqLS80RbJnP7BODBNImlKZO/rGXEHoQrirkOcHx5r8cMr 4c0fqI4603KBiyN9iprZJQ9FkBhbrgX8o/V9Lwu+hJT/rGbx7iJKDTIhEp+q7CR3qELd SFMA4XBuy8Y5DRCh92rCcm8sy3dbRzv8wTV/QurGsdj/Yq+QTLJA9CfRjOdKiIw5gZJ4 xXRbAx+RI27hZgYojSm7VB6ockVv/YJiu4+2BY/lZ0O1EQM8Sks3mEVXbwwDG7a+bpmw Mqgi1tLyKXkksI7RxXqjG25qIAkstkHh98ZNco7KTw09iz0/YNCz950W/dLEM5Zfp/r2 e1eg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734110827; x=1734715627; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=yrlaSRZ8054fQhMNBYWcK8NfFEF1eZz8tbpXey1V4pI=; b=izmpDpfnGmKPs+3cjvh///A9JkbAl+cFUCBklJKegbOEZvei73mJVSGFB3nWq3ibQl RsIOaVVcdv3qnTWssbJPEB/nxld/D6DfHaJC3YAtBijO7GFmGatl4+fJsKarpJ89Rqfa GIqfUNsoteO85wZnHM7zLpcWnMMsWSat63vL6oAZp041P5pwYKoMh9wd+p0W3zt2epv0 rm2lxnn8McwUG4AjiK2RwqrnvCblISUl3ewlYxqeNaU2HLfIhMrKqRTiba3H6BnLxJWd 0zhJ9bdtxHti3Zws07Fx7ajE55SgPLPVK7Nvi62jmo4lNOqn1JkydbqJ4D6bgRsJnOiT SlDA== X-Gm-Message-State: AOJu0YzYn60XKsPPXGGSBtfeBu8Ne6KUbPC949sUlY9WUi/fUjEdutIQ KLmhW2gLZwIo/ri2AS0EoV/rmwLK7b/O4pig6k68A0iOxtAa6dik7Qemf72Jdrnd5HwHX8Y18Er i2akk5NuvagiGZxi8JaxB+BTixKFX7oWKuGA+jEvVbO0j083xnTHmJ6AJqxmlgZNfoFC7I0wkdg nRsY1N3KeuMiiIvfsydo3kd5mObgTynp7YIdNNzH561Q== X-Google-Smtp-Source: AGHT+IF1uhcvW9S0LazRXQZHbdrAITOaDVFpxoz+PguqWxBwML68Z6leHlztMWP9/O+shy9MpFS0Upj179NJMw== X-Received: from wmot11.prod.google.com ([2002:a05:600c:450b:b0:434:fc6f:e8c3]) (user=whendrik job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:4f4f:b0:436:346a:fa9b with SMTP id 5b1f17b1804b1-436346afda1mr11215495e9.20.1734110826981; Fri, 13 Dec 2024 09:27:06 -0800 (PST) Date: Fri, 13 Dec 2024 17:26:43 +0000 In-Reply-To: <20241213172645.2751696-1-whendrik@google.com> Mime-Version: 1.0 References: <20241213172645.2751696-1-whendrik@google.com> X-Mailer: git-send-email 2.47.1.613.gc27f4b7a9f-goog Message-ID: <20241213172645.2751696-7-whendrik@google.com> Subject: [PATCH v5 6/8] i386: Add RDT feature flags. From: Hendrik Wuethrich To: qemu-devel@nongnu.org, eduardo@habkost.net, richard.henderson@linaro.org, marcel.apfelbaum@gmail.com, mst@redhat.com, pbonzini@redhat.com, zhao1.liu@intel.com, xiaoyao.li@intel.com Cc: peternewman@google.com, "=?UTF-8?q?=E2=80=AAHendrik=20W=C3=BCthrich?=" 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::349; envelope-from=3am5cZwgKCvkxifoesjlhpphmf.dpnrfnv-efwfmopohov.psh@flex--whendrik.bounces.google.com; helo=mail-wm1-x349.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @google.com) X-ZM-MESSAGEID: 1734111033037116600 Content-Type: text/plain; charset="utf-8" From: =E2=80=AAHendrik W=C3=BCthrich Add RDT features to feature word / TCG. Signed-off-by: Hendrik W=C3=BCthrich --- target/i386/cpu.c | 30 ++++++++++++++++++++++++++++-- target/i386/cpu.h | 2 ++ 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index c6e6cff19d..6f14d6fc62 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -869,7 +869,8 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendo= r1, CPUID_7_0_EBX_CLFLUSHOPT | \ CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE = | \ CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_RDSEED |= \ - CPUID_7_0_EBX_SHA_NI | CPUID_7_0_EBX_KERNEL_FEATURES) + CPUID_7_0_EBX_SHA_NI | CPUID_7_0_EBX_KERNEL_FEATURES | \ + CPUID_7_0_EBX_PQM | CPUID_7_0_EBX_PQE) /* missing: CPUID_7_0_EBX_HLE CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM */ @@ -906,6 +907,7 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendo= r1, #define TCG_SGX_12_0_EBX_FEATURES 0 #define TCG_SGX_12_1_EAX_FEATURES 0 #define TCG_24_0_EBX_FEATURES 0 +#define TCG_RDT_F_0_EDX_FEATURES CPUID_F_0_EDX_L3 =20 #if defined CONFIG_USER_ONLY #define CPUID_8000_0008_EBX_KERNEL_FEATURES (CPUID_8000_0008_EBX_IBPB | \ @@ -1063,7 +1065,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] =3D { "fsgsbase", "tsc-adjust", "sgx", "bmi1", "hle", "avx2", "fdp-excptn-only", "smep", "bmi2", "erms", "invpcid", "rtm", - NULL, "zero-fcs-fds", "mpx", NULL, + "rdt-m", "zero-fcs-fds", "mpx", "rdt-a", "avx512f", "avx512dq", "rdseed", "adx", "smap", "avx512ifma", "pcommit", "clflushopt", "clwb", "intel-pt", "avx512pf", "avx512er", @@ -1651,6 +1653,30 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] =3D= { }, .tcg_features =3D TCG_SGX_12_1_EAX_FEATURES, }, + + [FEAT_RDT_10_0_EBX] =3D { + .type =3D CPUID_FEATURE_WORD, + .feat_names =3D { + NULL, "l3-cat", "l2-cat", "mba" + }, + .cpuid =3D { + .eax =3D 0x10, + .needs_ecx =3D true, .ecx =3D 0, + .reg =3D R_EBX, + } + }, + [FEAT_RDT_F_0_EDX] =3D { + .type =3D CPUID_FEATURE_WORD, + .feat_names =3D { + [1] =3D "l3-cmt" + }, + .cpuid =3D { + .eax =3D 0xf, + .needs_ecx =3D true, .ecx =3D 0, + .reg =3D R_EDX, + }, + .tcg_features =3D TCG_RDT_F_0_EDX_FEATURES, + }, }; =20 typedef struct FeatureMask { diff --git a/target/i386/cpu.h b/target/i386/cpu.h index a1ec2d5dde..2b5a5986de 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -678,7 +678,9 @@ typedef enum FeatureWord { FEAT_7_1_EDX, /* CPUID[EAX=3D7,ECX=3D1].EDX */ FEAT_7_2_EDX, /* CPUID[EAX=3D7,ECX=3D2].EDX */ FEAT_24_0_EBX, /* CPUID[EAX=3D0x24,ECX=3D0].EBX */ + FEAT_RDT_F_0_EBX, /* CPUID[EAX=3D0xf,ECX=3D0].EBX (RDT CMT/MBM) */ FEAT_RDT_F_0_EDX, /* CPUID[EAX=3D0xf,ECX=3D0].EDX (RDT CMT/MBM) */ + FEAT_RDT_10_0_EBX, /* CPUID[EAX=3D0x10,ECX=3D0].EBX (RDT CAT/MBA) */ FEATURE_WORDS, } FeatureWord; =20 --=20 2.47.1.613.gc27f4b7a9f-goog