From patchwork Thu Feb 6 08:32:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Penny, Zheng" X-Patchwork-Id: 13962609 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7874AC02196 for ; Thu, 6 Feb 2025 08:33:55 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.882566.1292745 (Exim 4.92) (envelope-from ) id 1tfxKR-00030C-NJ; Thu, 06 Feb 2025 08:33:43 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 882566.1292745; Thu, 06 Feb 2025 08:33:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tfxKR-0002zQ-GC; Thu, 06 Feb 2025 08:33:43 +0000 Received: by outflank-mailman (input) for mailman id 882566; Thu, 06 Feb 2025 08:33:42 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tfxKQ-0001Q7-F8 for xen-devel@lists.xenproject.org; Thu, 06 Feb 2025 08:33:42 +0000 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on20614.outbound.protection.outlook.com [2a01:111:f403:2414::614]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 116d43c5-e465-11ef-a073-877d107080fb; Thu, 06 Feb 2025 09:33:41 +0100 (CET) Received: from BN9P221CA0025.NAMP221.PROD.OUTLOOK.COM (2603:10b6:408:10a::22) by DM4PR12MB6349.namprd12.prod.outlook.com (2603:10b6:8:a4::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8422.11; Thu, 6 Feb 2025 08:33:38 +0000 Received: from BN1PEPF00004687.namprd05.prod.outlook.com (2603:10b6:408:10a:cafe::29) by BN9P221CA0025.outlook.office365.com (2603:10b6:408:10a::22) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8398.24 via Frontend Transport; Thu, 6 Feb 2025 08:33:38 +0000 Received: from SATLEXMB04.amd.com (165.204.84.17) by BN1PEPF00004687.mail.protection.outlook.com (10.167.243.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8398.14 via Frontend Transport; Thu, 6 Feb 2025 08:33:38 +0000 Received: from penny-System-Product-Name.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 15.1.2507.39; Thu, 6 Feb 2025 02:33:35 -0600 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: 116d43c5-e465-11ef-a073-877d107080fb ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=n1ez91pGkos8yYzLwqs4jA5VbIMQl4FZDcfsLmEOoSLRIW3DvVmBiwT5WEU/eUbJhaM5bgOJwUkMxDKzaS+J6jJZqZGFGVfWsrswP/BFA48VJp+7sh8CDnAEJ8C/RfM3Qjl5klJRgyENfG/Qr4eRYe1UN1DiiJZp1N2eb51yojJeGcPTO0pzdB2/889Vz4apM49PESvgekuH3mvSYrwBKCE+2UAhpUg8DwrQ3XpnNF8wx8e3rtzhwa2r5bXj+HHYpS584wv0Im4Xw+bW6voEIzD1kA8lPFsZKwldLbyQBQjWe6Gc5mOF5UMvaAMm+lRL5GAQgofqKVY/vuqze75I/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=sRXoA5AODo751Xk4CER50cRQWcmXCgPQd5LQXTpxxkU=; b=OirQU9qjvv57bkcuNET4UR1hSlqKoCY/MFMySbMTh/8oCphQiOIYSaGTpSjxp2Fq3Nf+p96kOv9/L+kpL66dLXhYyaf8zlXsy28WuX4jRxWcyMLhEWZRe4YhUGxSEYI8PaAPEbymBZ5HG3pjyBwMqqQtZDyrK5XgDIK4Ppm5f5q0YxR/yaWKBJB4YftabRimA1sXfHqct6CP3p4sTWEYUXw9zipnoGlrpbZXlUcsrU6uR+/1VOQUuA0Yw1+gyQAevYDB7Dvivi6jS2kdLpvxfo7ZWeVbzmr4tf8t88SqBJssNQFUof7KEidwyY1ZO4mtjTRwc2GRgMTEW6kk9Z2LSw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.xenproject.org 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 (0) 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=sRXoA5AODo751Xk4CER50cRQWcmXCgPQd5LQXTpxxkU=; b=GNwKJC/Jde0Mk4JRXSQuq8CLh8GFBDAnuZ6tiVk69BhRHocsAkBz6zTLXoA1vHHKsX1Q5FKVKU8pBn7/giiB0v7iwb6NZSE0oo+ZkmH4XmvfpELRqGOzkiEg/EI40WpCSX23iShJf+d8gAWBu4svIBnSp4SfxPPog2TDv733JV8= 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 From: Penny Zheng To: CC: , , Penny Zheng , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Subject: [PATCH v2 08/11] xen/cpufreq: abstract Energy Performance Preference value Date: Thu, 6 Feb 2025 16:32:52 +0800 Message-ID: <20250206083255.1296363-9-Penny.Zheng@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250206083255.1296363-1-Penny.Zheng@amd.com> References: <20250206083255.1296363-1-Penny.Zheng@amd.com> MIME-Version: 1.0 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: BN1PEPF00004687:EE_|DM4PR12MB6349:EE_ X-MS-Office365-Filtering-Correlation-Id: 6859ada4-6a23-4e6b-9a95-08dd4688f439 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700013|1800799024; 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:(13230040)(376014)(82310400026)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Feb 2025 08:33:38.2765 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6859ada4-6a23-4e6b-9a95-08dd4688f439 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: BN1PEPF00004687.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6349 Intel's hwp Energy Performance Preference value is compatible with CPPC's Energy Performance Preference value, so this commit abstracts the value and re-place it in common header file cpufreq.h, to be used not only for hwp in the future. Signed-off-by: Penny Zheng --- v1 -> v2: - new commit --- xen/arch/x86/acpi/cpufreq/hwp.c | 10 +++------- xen/include/acpi/cpufreq/cpufreq.h | 10 ++++++++++ 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/xen/arch/x86/acpi/cpufreq/hwp.c b/xen/arch/x86/acpi/cpufreq/hwp.c index 59b57a4cef..d5fa3d47ca 100644 --- a/xen/arch/x86/acpi/cpufreq/hwp.c +++ b/xen/arch/x86/acpi/cpufreq/hwp.c @@ -21,10 +21,6 @@ static bool __ro_after_init feature_hdc; static bool __ro_after_init opt_cpufreq_hdc = true; -#define HWP_ENERGY_PERF_MAX_PERFORMANCE 0 -#define HWP_ENERGY_PERF_BALANCE 0x80 -#define HWP_ENERGY_PERF_MAX_POWERSAVE 0xff - union hwp_request { struct @@ -597,7 +593,7 @@ int set_hwp_para(struct cpufreq_policy *policy, data->minimum = data->hw.lowest; data->maximum = data->hw.lowest; data->activity_window = 0; - data->energy_perf = HWP_ENERGY_PERF_MAX_POWERSAVE; + data->energy_perf = CPPC_ENERGY_PERF_MAX_POWERSAVE; data->desired = 0; break; @@ -605,7 +601,7 @@ int set_hwp_para(struct cpufreq_policy *policy, data->minimum = data->hw.highest; data->maximum = data->hw.highest; data->activity_window = 0; - data->energy_perf = HWP_ENERGY_PERF_MAX_PERFORMANCE; + data->energy_perf = CPPC_ENERGY_PERF_MAX_PERFORMANCE; data->desired = 0; break; @@ -613,7 +609,7 @@ int set_hwp_para(struct cpufreq_policy *policy, data->minimum = data->hw.lowest; data->maximum = data->hw.highest; data->activity_window = 0; - data->energy_perf = HWP_ENERGY_PERF_BALANCE; + data->energy_perf = CPPC_ENERGY_PERF_BALANCE; data->desired = 0; break; diff --git a/xen/include/acpi/cpufreq/cpufreq.h b/xen/include/acpi/cpufreq/cpufreq.h index a6fb10ea27..3c2b951830 100644 --- a/xen/include/acpi/cpufreq/cpufreq.h +++ b/xen/include/acpi/cpufreq/cpufreq.h @@ -253,6 +253,16 @@ void cpufreq_dbs_timer_resume(void); void intel_feature_detect(struct cpufreq_policy *policy); +/* + * If Energy Performance Preference(epp) is supported in the platform, + * OSPM may write a range of values from 0(performance preference) + * to 0xFF(energy efficiency perference) to control the platform's + * energy efficiency and performance optimization policies + */ +#define CPPC_ENERGY_PERF_MAX_PERFORMANCE 0 +#define CPPC_ENERGY_PERF_BALANCE 0x80 +#define CPPC_ENERGY_PERF_MAX_POWERSAVE 0xff + int hwp_cmdline_parse(const char *s, const char *e); int hwp_register_driver(void); #ifdef CONFIG_INTEL