From patchwork Thu Jan 19 06:01:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9525191 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 0BDD760437 for ; Thu, 19 Jan 2017 06:05:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E270F2860C for ; Thu, 19 Jan 2017 06:05:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D608628641; Thu, 19 Jan 2017 06:05:12 +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 AD0D02860C for ; Thu, 19 Jan 2017 06:05:11 +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 1cU5on-0007JE-UC; Thu, 19 Jan 2017 06:03:29 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cU5om-0007Ex-2l for xen-devel@lists.xenproject.org; Thu, 19 Jan 2017 06:03:28 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 2A/C4-25360-FA650885; Thu, 19 Jan 2017 06:03:27 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrALMWRWlGSWpSXmKPExsVywNykWHdtWEO EweGPZhbft0xmcmD0OPzhCksAYxRrZl5SfkUCa8aHwxMZC2ZyVixv38TSwDibvYuRi0NIYDqj xI1ri5i7GDk5JAR4JY4sm8EKYftLLN7ZxARR1MAosefVIXaQBJuAusTjrz1MILaIgJLEvVWTw YqYBbqZJFY+3MoCkhAWCJXYcvsgI4jNIqAqcf/QTzCbV8BDon9XD9QGOYmTxyaD2ZxA8SvzL4 AtEBJwl9iy4hLTBEbeBYwMqxg1ilOLylKLdA0N9ZKKMtMzSnITM3N0DQ1M9XJTi4sT01NzEpO K9ZLzczcxAkOCAQh2MK5sdz7EKMnBpCTKa2/ZECHEl5SfUpmRWJwRX1Sak1p8iFGGg0NJgndO KFBOsCg1PbUiLTMHGJwwaQkOHiUR3iqQNG9xQWJucWY6ROoUo6KUOG8USEIAJJFRmgfXBouIS 4yyUsK8jECHCPEUpBblZpagyr9iFOdgVBLmrQGZwpOZVwI3/RXQYiagxVbK9SCLSxIRUlINjF UPtKwiksz/dChcLHon/OGY7b2ZK+48TnHKU2zdfnpfZVuN6XS13hfvtGvLpv2tkC3877P+9Gd 9vxCjtlP7t2hF/BFmXng4etk6lunP7PVf5i/6eWfRJrnkSb9usgbcO6LX+VxB+O/iv9EczXox qyzmJuoWpMaZ/p1+SkR7p+xOc41T3wP6S5RYijMSDbWYi4oTAe0rdkSDAgAA X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1484805803!62873879!1 X-Originating-IP: [192.55.52.115] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.1.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11456 invoked from network); 19 Jan 2017 06:03:25 -0000 Received: from mga14.intel.com (HELO mga14.intel.com) (192.55.52.115) by server-11.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 19 Jan 2017 06:03:25 -0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Jan 2017 22:03:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,252,1477983600"; d="scan'208";a="215119563" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by fmsmga004.fm.intel.com with ESMTP; 18 Jan 2017 22:03:14 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Thu, 19 Jan 2017 14:01:17 +0800 Message-Id: <1484805686-7249-16-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1484805686-7249-1-git-send-email-yi.y.sun@linux.intel.com> References: <1484805686-7249-1-git-send-email-yi.y.sun@linux.intel.com> Cc: wei.liu2@citrix.com, konrad.wilk@oracle.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 RESEND v5 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 --- v5: - remove type check in callback function. --- 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 b856761..dc062ff 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -533,9 +533,25 @@ 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,