From patchwork Wed Dec 14 04:07:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9474007 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 4349960823 for ; Wed, 14 Dec 2016 11:12:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3AE5A2871E for ; Wed, 14 Dec 2016 11:12:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2FCEE28720; Wed, 14 Dec 2016 11:12:02 +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=-2.7 required=2.0 tests=BAYES_00, DATE_IN_PAST_06_12, 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 E07292871E for ; Wed, 14 Dec 2016 11:12:01 +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 1cH7S2-0005oA-2c; Wed, 14 Dec 2016 11:10:22 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH7S0-0005mf-VJ for xen-devel@lists.xenproject.org; Wed, 14 Dec 2016 11:10:21 +0000 Received: from [85.158.143.35] by server-10.bemta-6.messagelabs.com id EE/BF-13192-C9821585; Wed, 14 Dec 2016 11:10:20 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRWlGSWpSXmKPExsXS1tYhoTtbIzD CYMspM4vvWyYzOTB6HP5whSWAMYo1My8pvyKBNaPjaBtrwW/OisdvrzI2ML5k72Lk5BASqJC4 /6qJEcSWEOCVOLJsBiuE7Sexef4qIJsLqKaBUWJP+2EmkASbgLrE4689YLaIgJLEvVWTmUCKm AW6mSRWPtzKApIQBupev/YXWBGLgKrE2oUzwabyCnhIXO/YxwKxQU7i5LHJQHEODk6g+L8tiR AHuUtc7H3HPoGRdwEjwypGjeLUorLUIl0jY72kosz0jJLcxMwcXUMDM73c1OLixPTUnMSkYr3 k/NxNjMBwYACCHYx/5gceYpTkYFIS5eW6GhAhxJeUn1KZkVicEV9UmpNafIhRhoNDSYJ3lnpg hJBgUWp6akVaZg4wMGHSEhw8SiK8QSpAad7igsTc4sx0iNQpRkUpcd6VIH0CIImM0jy4Nlg0X GKUlRLmZQQ6RIinILUoN7MEVf4VozgHo5Iw7waQKTyZeSVw018BLWYCWiy6xB9kcUkiQkqqgT H+1lFN6SVZ5vMU2hZvtzadObstPm/WpK6sqbvuSNyZzsh4MEIpe+IRs1Dv+Yv7nk6byvoidcW V5QzSP64YX+4SXFl026j0sMnjd/OuM8veEQ+T3fkw8nGZ5x3Fq1sXCN7mYFI4GF1/y/3F6utV yZ9kz/l1W5ar7dywIfnqckXr3Zue/t7C9eKmEktxRqKhFnNRcSIAhZfG/4ECAAA= X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-12.tower-21.messagelabs.com!1481713769!48240089!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: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24013 invoked from network); 14 Dec 2016 11:10:19 -0000 Received: from mga09.intel.com (HELO mga09.intel.com) (134.134.136.24) by server-12.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 14 Dec 2016 11:10:19 -0000 Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP; 14 Dec 2016 03:10:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,346,1477983600"; d="scan'208";a="39863339" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by orsmga004.jf.intel.com with ESMTP; 14 Dec 2016 03:10:16 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Wed, 14 Dec 2016 12:07:55 +0800 Message-Id: <1481688484-5093-16-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1481688484-5093-1-git-send-email-yi.y.sun@linux.intel.com> References: <1481688484-5093-1-git-send-email-yi.y.sun@linux.intel.com> Cc: 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 v4 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 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c index 99add7a..d0392ca 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -563,10 +563,29 @@ 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 ( type != PSR_CBM_TYPE_L3_DATA && type != PSR_CBM_TYPE_L3_CODE ) + return false; + + 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 = { .init_feature = l3_cdp_init_feature, .get_max_cos_max = l3_cdp_get_max_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,