From patchwork Wed Feb 15 08:49:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9573565 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CFD2160493 for ; Wed, 15 Feb 2017 08:55:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1C4128448 for ; Wed, 15 Feb 2017 08:55:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B592928450; Wed, 15 Feb 2017 08:55:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 782B728448 for ; Wed, 15 Feb 2017 08:55:22 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cdvLE-0007ig-4T; Wed, 15 Feb 2017 08:53:36 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cdvLD-0007hE-Mn for xen-devel@lists.xenproject.org; Wed, 15 Feb 2017 08:53:35 +0000 Received: from [193.109.254.147] by server-5.bemta-6.messagelabs.com id 9E/D4-03454-F0714A85; Wed, 15 Feb 2017 08:53:35 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPLMWRWlGSWpSXmKPExsXS1tYhocsrviT C4PY6dYvvWyYzOTB6HP5whSWAMYo1My8pvyKBNWPyqR9sBY85Ko78fsHawPiJrYuRi0NIYBqj xImdxxm7GDk5JAR4JY4sm8EKYQdIbOh4BFXUwChx7+MaNpAEm4C6xOOvPUwgtoiAksS9VZOZQ IqYBRYxSayY9B2sSFjAT6Jh1VqwSSwCqhI3Nt9lAbF5BTwkNt08wwKxQU7i5LHJYDWcQPFjF+ aA2UIC7hJHe6YxTWDkXcDIsIpRvTi1qCy1SNdML6koMz2jJDcxM0fX0MBMLze1uDgxPTUnMal YLzk/dxMjMCAYgGAH47wT/ocYJTmYlER52Y4tjhDiS8pPqcxILM6ILyrNSS0+xCjDwaEkwcsk tiRCSLAoNT21Ii0zBxiaMGkJDh4lEd6fokBp3uKCxNzizHSI1ClGRSlx3o8gCQGQREZpHlwbL B4uMcpKCfMyAh0ixFOQWpSbWYIq/4pRnINRSZj3P8gUnsy8Erjpr4AWMwEtZo1bCLK4JBEhJd XAuHlxixFn/DOZ+59k1vNZdbzv0lwUfmCHtvjHcv4d8yrm/YoKM6gqV3vGebm55+HfVQFVQl0 MZn/udU4+k9Oc9PHPyXpBwayclX5CRU5Z5g5tqcpFLzIPRS6b5rBYa27Ci3tbFhl/rpxrUGpw doVX+v8juVzr3tyy7DDoWr7wuMze5Z7X81oSlViKMxINtZiLihMBKAUOL4ICAAA= X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1487148772!76852937!16 X-Originating-IP: [134.134.136.24] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTM0LjEzNC4xMzYuMjQgPT4gMzkwOTcx\n X-StarScan-Received: X-StarScan-Version: 9.2.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28911 invoked from network); 15 Feb 2017 08:53:33 -0000 Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 15 Feb 2017 08:53:33 -0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Feb 2017 00:53:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.35,165,1484035200"; d="scan'208"; a="1094969777" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by orsmga001.jf.intel.com with ESMTP; 15 Feb 2017 00:53:30 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Wed, 15 Feb 2017 16:49:30 +0800 Message-Id: <1487148579-7243-16-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1487148579-7243-1-git-send-email-yi.y.sun@linux.intel.com> References: <1487148579-7243-1-git-send-email-yi.y.sun@linux.intel.com> Cc: kevin.tian@intel.com, wei.liu2@citrix.com, andrew.cooper3@citrix.com, dario.faggioli@citrix.com, he.chen@linux.intel.com, ian.jackson@eu.citrix.com, Yi Sun , mengxu@cis.upenn.edu, jbeulich@suse.com, chao.p.peng@linux.intel.com Subject: [Xen-devel] [PATCH v8 15/24] x86: refactor psr: implement get value flow for CDP. X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch implements L3 CDP get value callback function. With this patch, 'psr-cat-show' can work for L3 CDP. Signed-off-by: Yi Sun --- xen/arch/x86/psr.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c index 72c9888..72ed923 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -545,9 +545,25 @@ static bool l3_cdp_get_feat_info(const struct feat_node *feat, return true; } +static bool l3_cdp_get_val(const struct feat_node *feat, unsigned int cos, + enum cbm_type type, uint64_t *val) +{ + if ( cos > feat->info.l3_cdp_info.cos_max ) + /* Use default value. */ + cos = 0; + + if ( type == PSR_CBM_TYPE_L3_DATA ) + *val = get_cdp_data(feat, cos); + else + *val = get_cdp_code(feat, cos); + + return true; +} + struct feat_ops l3_cdp_ops = { .get_cos_max = l3_cdp_get_cos_max, .get_feat_info = l3_cdp_get_feat_info, + .get_val = l3_cdp_get_val, }; static void __init parse_psr_bool(char *s, char *value, char *feature,