From patchwork Mon Feb 13 06:32:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9568863 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 331A26045D for ; Mon, 13 Feb 2017 06:38:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2199A2818E for ; Mon, 13 Feb 2017 06:38:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 15DE7281DB; Mon, 13 Feb 2017 06:38:05 +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 9C00A2818E for ; Mon, 13 Feb 2017 06:38:04 +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 1cdAFN-0006On-HP; Mon, 13 Feb 2017 06:36:25 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cdAFM-0006N1-1e for xen-devel@lists.xenproject.org; Mon, 13 Feb 2017 06:36:24 +0000 Received: from [85.158.143.35] by server-10.bemta-6.messagelabs.com id 63/69-13192-7E351A85; Mon, 13 Feb 2017 06:36:23 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRWlGSWpSXmKPExsXS1tbhqPsseGG Ewbwdhhbft0xmcmD0OPzhCksAYxRrZl5SfkUCa8axpf+YCh5zVPQss2hg/MTWxcjFISQwnVFi +ZFrrF2MnBwSArwSR5bNALI5gGx/idYnbhA1DYwSK74uYAGpYRNQl3j8tYcJxBYRUJK4t2oyE 0gRs8AiJokVk76zgSSEBfwknv04CmazCKhKPNv1AGwBr4CHxM4XL9gglslJnDw2GSzOCRQ/cu g9I4gtJOAu0b9rE8sERt4FjAyrGNWLU4vKUot0TfWSijLTM0pyEzNzdA0NzPRyU4uLE9NTcxK TivWS83M3MQKDgQEIdjBOv+x/iFGSg0lJlLfafmGEEF9SfkplRmJxRnxRaU5q8SFGGQ4OJQle DWBwCQkWpaanVqRl5gDDEiYtwcGjJMLbA5LmLS5IzC3OTIdInWJUlBLnNQZJCIAkMkrz4Npgs XCJUVZKmJcR6BAhnoLUotzMElT5V4ziHIxKwrxVQUBTeDLzSuCmvwJazAS02PXBXJDFJYkIKa kGRqfb3hN6d8XfjrAWzl0aUZkitJnx/Jz96bO19T7svj3fV3wtx6n5U2pXHp6zn+tqXbjTJeb FP4XPq95jFEo9lPd709LYzdNtws5pHY8qlJAy3CGTOsmneMedLwz7LXrvTm1kO3mXZ7HFhfK1 zCEslm/+St5ctFpu3kkXSfU7vQVe64J0s2KUmJVYijMSDbWYi4oTAbhkXMuAAgAA X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-16.tower-21.messagelabs.com!1486967780!52889311!1 X-Originating-IP: [134.134.136.65] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.2.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21243 invoked from network); 13 Feb 2017 06:36:22 -0000 Received: from mga03.intel.com (HELO mga03.intel.com) (134.134.136.65) by server-16.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 13 Feb 2017 06:36:22 -0000 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Feb 2017 22:36:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,155,1484035200"; d="scan'208";a="224551758" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by fmsmga004.fm.intel.com with ESMTP; 12 Feb 2017 22:36:16 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Mon, 13 Feb 2017 14:32:27 +0800 Message-Id: <1486967556-3702-16-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1486967556-3702-1-git-send-email-yi.y.sun@linux.intel.com> References: <1486967556-3702-1-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 v7 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 71bfdd6..7d90c3c 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -542,9 +542,25 @@ 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,