From nobody Mon Nov 3 01:04:23 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=reject dis=none) header.from=citrix.com ARC-Seal: i=1; a=rsa-sha256; t=1736181705; cv=none; d=zohomail.com; s=zohoarc; b=keiUC2onOhf4ZODcHrnObHPFoi+KasYhXrb00Sq4KWLJ6kN5dZbleHqktOP2SwXNjvWvfsgBdaHyN5YkF8K1LdllWhGJegCsGANwdOFnv0nJs+1VujRcaLh170ov/6UtVuSxzZ/YXgHLLwZiBwhRbPxIFUBH6TcqGfpL3rPL8Ak= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1736181705; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1Bu1qdeQ8htGAhO8BhpqxLGX5bJRujvB81kYlK6uEgI=; b=E1UoClmKGyxfZ0IbOdrr+cGukVOzSFrkvpToVZm72Ls1FksTwudozNJn78ZZa6jFg+HXp0l00bSByb/+1GLcOc4OsvH7rbMWptF9cFn8cEPnHRbrgR02V2P6WEEtbIsrfS0h7/tEdZYGsViERTr8D/vxJnJAM4ZEwzAdQ2dxgbw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 173618170594649.49763654848266; Mon, 6 Jan 2025 08:41:45 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.865838.1277104 (Exim 4.92) (envelope-from ) id 1tUqAU-0000gl-4h; Mon, 06 Jan 2025 16:41:30 +0000 Received: by outflank-mailman (output) from mailman id 865838.1277104; Mon, 06 Jan 2025 16:41:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tUqAU-0000ge-1l; Mon, 06 Jan 2025 16:41:30 +0000 Received: by outflank-mailman (input) for mailman id 865838; Mon, 06 Jan 2025 16:41:29 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tUqAT-0000gY-2S for xen-devel@lists.xenproject.org; Mon, 06 Jan 2025 16:41:29 +0000 Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [2a00:1450:4864:20::52e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 12bf8ffb-cc4d-11ef-99a4-01e77a169b0f; Mon, 06 Jan 2025 17:41:27 +0100 (CET) Received: by mail-ed1-x52e.google.com with SMTP id 4fb4d7f45d1cf-5d34030ebb2so9489440a12.1 for ; Mon, 06 Jan 2025 08:41:27 -0800 (PST) Received: from andrewcoop.eng.citrite.net (host-92-26-98-202.as13285.net. [92.26.98.202]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5d80676f496sm23267140a12.34.2025.01.06.08.41.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2025 08:41:25 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 12bf8ffb-cc4d-11ef-99a4-01e77a169b0f DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1736181686; x=1736786486; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=1Bu1qdeQ8htGAhO8BhpqxLGX5bJRujvB81kYlK6uEgI=; b=DQbvs5F06Oi8DkZKJi8eC1UonzezZ2GHN0OPJxdQZe6G76yxk1AcEggQdNhc5cGvP/ dHhXKLbuxPnf+YgjWipbmLP+5zXgzR41zHZLwwMxI4dcvMvWqhXXYh9S6BMYV9U327je wP9yjyREW3fRxBaMtb8/jrZgGIlbeKlLtzvbU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736181686; x=1736786486; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=1Bu1qdeQ8htGAhO8BhpqxLGX5bJRujvB81kYlK6uEgI=; b=H/oA/NhLTFBV3tfuD5fswQSCt9lWD68tNSYMLah2mfkNjshQ4WekobqOQTLM4FVEBZ mQ4GfK4wy7eYDluMpxHW8ZbFRWlWXoMQHgkp7ZsoKIIuBtPyxcdpWS0wJgAihM3st0Ef UBc4GQbS/hfM9y4kQbugZtdh1zm+HvPtJLh0fg5jX9OzeaU9/pDL3SLNmDiXef1FFA52 xbmWw5GGk/S1suNh8F34pxIJxT6bZecDJ7Ner+duEA4wkBDz/ZM6pI+EnJM7R5GbI0eK DDxyzSSS9y/tGkasAqBDWdJkUZY+6I+QPM9VsflBNhvln5g3ouHCpC6dFl5Zft1cadm1 HrWQ== X-Gm-Message-State: AOJu0Yxj+3OlOQEpHfuBLa7Ai7UX9tQgcADyslDBAvjm7QxLafFw+Oqr Sc7ZVxMGuJPahVHREtv7YOM2yELfy8So0uzRxdT8s0kxNXY4G6JSWhS/Z83zBdM5Hg/HAAcG0N/ q5UkgFA== X-Gm-Gg: ASbGnctPJc6wT9R/CvvBMURIr8svaHuGS/qTd3ZY19Vwt5aJlSo81ggkO6mKC6OsrSi avJxGlBnoIe3iuTAFAny34S85rarUB93LC7vh+BHkuxnSKV/XhRjDjb/w6Dgb26wZv1PiBrRgRP e/MBlz56/njqa/JJfBjgy8v21oAm/q/QBfGmx4pdp1g381O4TuDOUM79feEQrwtnIhJSurTYGbC n6Mo1PPa8vIW98EWSUdpzI3aj9GAKM6/LLaVvPi10bHo48FijoxHFjzYWlcFaDunL+xoaFU7/vt qD4k5QLLrf5+O7RhJeMs13x75oXnNzjqpjAh X-Google-Smtp-Source: AGHT+IG/A14ES5hpSkLUN8HO9fYBY5rlRi/+8BeGrsHVDqB95AMu092Luhvkl704d+CKNOFu3HLSWA== X-Received: by 2002:a05:6402:270d:b0:5d2:73b0:81e8 with SMTP id 4fb4d7f45d1cf-5d81dd820admr50512155a12.9.1736181686289; Mon, 06 Jan 2025 08:41:26 -0800 (PST) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH for-4.20 v2] x86/amd: Misc setup for Fam1Ah processors Date: Mon, 6 Jan 2025 16:41:24 +0000 Message-Id: <20250106164124.620662-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1736181706507116600 Fam1Ah is similar to Fam19h in these regards. Signed-off-by: Andrew Cooper Acked-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 v2: * Update microcode size, based on the largest value I can find in the PPRs. Defer updating amd_log_freq() for now. The MSR layout is different and rat= her more complicated to parse. With this patch, I think we're in an ok position to declare support on Zen5 CPUs. I'm very disappointed that AMD don't have any documetation about ERA= PS, but to the best of my (backchannel) knowledge, Xen should behave safely. --- xen/arch/x86/acpi/cpu_idle.c | 1 + xen/arch/x86/cpu/microcode/amd.c | 4 ++++ xen/arch/x86/cpu/vpmu_amd.c | 1 + 3 files changed, 6 insertions(+) diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c index 876317fad059..420198406def 100644 --- a/xen/arch/x86/acpi/cpu_idle.c +++ b/xen/arch/x86/acpi/cpu_idle.c @@ -1417,6 +1417,7 @@ static void amd_cpuidle_init(struct acpi_processor_po= wer *power) =20 switch ( c->x86 ) { + case 0x1a: case 0x19: case 0x18: if ( boot_cpu_data.x86_vendor !=3D X86_VENDOR_HYGON ) diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/= amd.c index ba7668a94670..210736f5804a 100644 --- a/xen/arch/x86/cpu/microcode/amd.c +++ b/xen/arch/x86/cpu/microcode/amd.c @@ -114,6 +114,7 @@ static bool verify_patch_size(uint32_t patch_size) #define F16H_MPB_MAX_SIZE 3458 #define F17H_MPB_MAX_SIZE 3200 #define F19H_MPB_MAX_SIZE 5568 +#define F1AH_MPB_MAX_SIZE 15296 =20 switch ( boot_cpu_data.x86 ) { @@ -132,6 +133,9 @@ static bool verify_patch_size(uint32_t patch_size) case 0x19: max_size =3D F19H_MPB_MAX_SIZE; break; + case 0x1a: + max_size =3D F1AH_MPB_MAX_SIZE; + break; default: max_size =3D F1XH_MPB_MAX_SIZE; break; diff --git a/xen/arch/x86/cpu/vpmu_amd.c b/xen/arch/x86/cpu/vpmu_amd.c index a082450e923a..a6117dfebf2a 100644 --- a/xen/arch/x86/cpu/vpmu_amd.c +++ b/xen/arch/x86/cpu/vpmu_amd.c @@ -568,6 +568,7 @@ const struct arch_vpmu_ops *__init amd_vpmu_init(void) case 0x15: case 0x17: case 0x19: + case 0x1a: num_counters =3D F15H_NUM_COUNTERS; counters =3D AMD_F15H_COUNTERS; ctrls =3D AMD_F15H_CTRLS; --=20 2.39.5