From patchwork Thu May 5 02:29:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Meng, Li \(Jassmine\)" X-Patchwork-Id: 570893 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 5AD02C433FE for ; Thu, 5 May 2022 02:29:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239337AbiEECdb (ORCPT ); Wed, 4 May 2022 22:33:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239264AbiEECd3 (ORCPT ); Wed, 4 May 2022 22:33:29 -0400 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2076.outbound.protection.outlook.com [40.107.237.76]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30FB549F35; Wed, 4 May 2022 19:29:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TOfVymYPRY9Knwba5zkz2qQWqzhsgV5nQMVwverzKRCi74J86iU+ICNnyqhiBmgAMdWLjJW57Bt6Z11uBLaAC4/rPLvIMV65NHngzcBZmY6AqWruizVcBgGUDQ0TH1U7C/d6lwdi3nFZv9LS4tLawPrFH5GiCXLYl+DZZeZdehvLQ5VTPmsyHtohin5Dd/njnSUsFuJoici/4DbOV8MMT4GVYMNehVWNa8xkf0ZHUopVhixB6+HORAMQjubRqTX2PaHNdNNd0cE2TO1awCQQqxILVgCesLsVzyeuT0H3Fjv/Oqeg9zlC5omMmdAcJKgNHsisuW2WQAKg83GbB128Og== 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=fPnNI2bIDkdlt38aPtGjA+tsnC2UfqcIM1ohrVtJmu8=; b=mx2s9R+KOZt7SLUkEwL4gc22utkn6UEvfaGxs8elZ0Dl8Ysuy14p27Wf5dy+InqHQbW6HHX5cAcJZmpTC0MFGwNvZ3x31uqgZzgyAJLLNhpYvJKC+fBn1xoYkVSJj+3xcyL5hVfqhhY/Tn188rHwuQqOy9HiAgBFydKT/HQWL1fO5j8fj2qohvkhnctMxYPV2TpzR9inwvgww/MK4pVibqg8Rm//MWAhDELXytvPELS8PYZT2EFqLbWZ/VMsBf4UZqwSW7I7/IhSV5C0YcesOSYtuXDd/hNBbIXD6InYXbbEX8N+j/OlxkXNGQpBN/jZNBvajw1uZIo/BX9iAKzMSg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=linuxfoundation.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 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=fPnNI2bIDkdlt38aPtGjA+tsnC2UfqcIM1ohrVtJmu8=; b=dd10giTut9Fp6KwonPu2FsvlO4sKZDTqOYXfsxKu36QP/1LYuaU9l5y4OqEckssxcOeQ43Cl4Ibq0+Qw75ejrHtqr0U1fsbwznBzunp4QK7Te3oStPiSiPgXxS7eGYuEfChLAq+/BiHdicKyXhuaLJx3EXJKbpbLJFSAqxqngDo= Received: from BN1PR14CA0003.namprd14.prod.outlook.com (2603:10b6:408:e3::8) by MN2PR12MB3821.namprd12.prod.outlook.com (2603:10b6:208:16f::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5206.24; Thu, 5 May 2022 02:29:49 +0000 Received: from BN8NAM11FT045.eop-nam11.prod.protection.outlook.com (2603:10b6:408:e3:cafe::f5) by BN1PR14CA0003.outlook.office365.com (2603:10b6:408:e3::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5206.13 via Frontend Transport; Thu, 5 May 2022 02:29:48 +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; Received: from SATLEXMB04.amd.com (165.204.84.17) by BN8NAM11FT045.mail.protection.outlook.com (10.13.177.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5227.15 via Frontend Transport; Thu, 5 May 2022 02:29:48 +0000 Received: from jasmine-meng.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 15.1.2375.24; Wed, 4 May 2022 21:29:44 -0500 From: Meng Li To: Shuah Khan , Huang Rui , CC: "Rafael J . Wysocki" , Nathan Fontenot , Deepak Sharma , "Alex Deucher" , Mario Limonciello , Jinzhou Su , Perry Yuan , Xiaojian Du , Viresh Kumar , Borislav Petkov , , Meng Li Subject: [PATCH V5 1/3] cpufreq: amd-pstate: Expose struct amd_cpudata Date: Thu, 5 May 2022 10:29:11 +0800 Message-ID: <20220505022913.329259-2-li.meng@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220505022913.329259-1-li.meng@amd.com> References: <20220505022913.329259-1-li.meng@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1f49c203-6faf-4c86-59be-08da2e3f207e X-MS-TrafficTypeDiagnostic: MN2PR12MB3821:EE_ X-Microsoft-Antispam-PRVS: 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:(13230001)(4636009)(40470700004)(46966006)(36840700001)(4326008)(336012)(426003)(47076005)(40460700003)(81166007)(70586007)(83380400001)(70206006)(2616005)(110136005)(36860700001)(16526019)(316002)(186003)(1076003)(54906003)(82310400005)(8676002)(26005)(86362001)(2906002)(36756003)(6666004)(356005)(5660300002)(7696005)(508600001)(8936002)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2022 02:29:48.8690 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1f49c203-6faf-4c86-59be-08da2e3f207e 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: BN8NAM11FT045.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3821 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Expose struct amd_cpudata to AMD P-State unit test module. This data struct will be used on the following AMD P-State unit test (amd-pstate-ut) module. The amd-pstate-ut module can get some AMD infomations by this data struct. For example: highest perf, nominal perf, boost supported etc. Signed-off-by: Meng Li Acked-by: Huang Rui --- MAINTAINERS | 1 + drivers/cpufreq/amd-pstate.c | 60 +--------------------------- include/linux/amd-pstate.h | 77 ++++++++++++++++++++++++++++++++++++ 3 files changed, 79 insertions(+), 59 deletions(-) create mode 100644 include/linux/amd-pstate.h diff --git a/MAINTAINERS b/MAINTAINERS index 40fa1955ca3f..db85d9e52547 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1021,6 +1021,7 @@ L: linux-pm@vger.kernel.org S: Supported F: Documentation/admin-guide/pm/amd-pstate.rst F: drivers/cpufreq/amd-pstate* +F: include/linux/amd-pstate.h F: tools/power/x86/amd_pstate_tracer/amd_pstate_trace.py AMD PTDMA DRIVER diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 7be38bc6a673..5f7a00a64f76 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -65,65 +66,6 @@ MODULE_PARM_DESC(shared_mem, static struct cpufreq_driver amd_pstate_driver; -/** - * struct amd_aperf_mperf - * @aperf: actual performance frequency clock count - * @mperf: maximum performance frequency clock count - * @tsc: time stamp counter - */ -struct amd_aperf_mperf { - u64 aperf; - u64 mperf; - u64 tsc; -}; - -/** - * struct amd_cpudata - private CPU data for AMD P-State - * @cpu: CPU number - * @req: constraint request to apply - * @cppc_req_cached: cached performance request hints - * @highest_perf: the maximum performance an individual processor may reach, - * assuming ideal conditions - * @nominal_perf: the maximum sustained performance level of the processor, - * assuming ideal operating conditions - * @lowest_nonlinear_perf: the lowest performance level at which nonlinear power - * savings are achieved - * @lowest_perf: the absolute lowest performance level of the processor - * @max_freq: the frequency that mapped to highest_perf - * @min_freq: the frequency that mapped to lowest_perf - * @nominal_freq: the frequency that mapped to nominal_perf - * @lowest_nonlinear_freq: the frequency that mapped to lowest_nonlinear_perf - * @cur: Difference of Aperf/Mperf/tsc count between last and current sample - * @prev: Last Aperf/Mperf/tsc count value read from register - * @freq: current cpu frequency value - * @boost_supported: check whether the Processor or SBIOS supports boost mode - * - * The amd_cpudata is key private data for each CPU thread in AMD P-State, and - * represents all the attributes and goals that AMD P-State requests at runtime. - */ -struct amd_cpudata { - int cpu; - - struct freq_qos_request req[2]; - u64 cppc_req_cached; - - u32 highest_perf; - u32 nominal_perf; - u32 lowest_nonlinear_perf; - u32 lowest_perf; - - u32 max_freq; - u32 min_freq; - u32 nominal_freq; - u32 lowest_nonlinear_freq; - - struct amd_aperf_mperf cur; - struct amd_aperf_mperf prev; - - u64 freq; - bool boost_supported; -}; - static inline int pstate_enable(bool enable) { return wrmsrl_safe(MSR_AMD_CPPC_ENABLE, enable); diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h new file mode 100644 index 000000000000..1c4b8659f171 --- /dev/null +++ b/include/linux/amd-pstate.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/include/linux/amd-pstate.h + * + * Copyright (C) 2022 Advanced Micro Devices, Inc. + * + * Author: Meng Li + */ + +#ifndef _LINUX_AMD_PSTATE_H +#define _LINUX_AMD_PSTATE_H + +#include + +/********************************************************************* + * AMD P-state INTERFACE * + *********************************************************************/ +/** + * struct amd_aperf_mperf + * @aperf: actual performance frequency clock count + * @mperf: maximum performance frequency clock count + * @tsc: time stamp counter + */ +struct amd_aperf_mperf { + u64 aperf; + u64 mperf; + u64 tsc; +}; + +/** + * struct amd_cpudata - private CPU data for AMD P-State + * @cpu: CPU number + * @req: constraint request to apply + * @cppc_req_cached: cached performance request hints + * @highest_perf: the maximum performance an individual processor may reach, + * assuming ideal conditions + * @nominal_perf: the maximum sustained performance level of the processor, + * assuming ideal operating conditions + * @lowest_nonlinear_perf: the lowest performance level at which nonlinear power + * savings are achieved + * @lowest_perf: the absolute lowest performance level of the processor + * @max_freq: the frequency that mapped to highest_perf + * @min_freq: the frequency that mapped to lowest_perf + * @nominal_freq: the frequency that mapped to nominal_perf + * @lowest_nonlinear_freq: the frequency that mapped to lowest_nonlinear_perf + * @cur: Difference of Aperf/Mperf/tsc count between last and current sample + * @prev: Last Aperf/Mperf/tsc count value read from register + * @freq: current cpu frequency value + * @boost_supported: check whether the Processor or SBIOS supports boost mode + * + * The amd_cpudata is key private data for each CPU thread in AMD P-State, and + * represents all the attributes and goals that AMD P-State requests at runtime. + */ +struct amd_cpudata { + int cpu; + + struct freq_qos_request req[2]; + u64 cppc_req_cached; + + u32 highest_perf; + u32 nominal_perf; + u32 lowest_nonlinear_perf; + u32 lowest_perf; + + u32 max_freq; + u32 min_freq; + u32 nominal_freq; + u32 lowest_nonlinear_freq; + + struct amd_aperf_mperf cur; + struct amd_aperf_mperf prev; + + u64 freq; + bool boost_supported; +}; + +#endif /* _LINUX_AMD_PSTATE_H */