From patchwork Wed Feb 8 08:16:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9561911 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 9677760236 for ; Wed, 8 Feb 2017 08:21:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8779928446 for ; Wed, 8 Feb 2017 08:21:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C4692849C; Wed, 8 Feb 2017 08:21:37 +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 2CC2D28446 for ; Wed, 8 Feb 2017 08:21:36 +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 1cbNTn-0006R6-44; Wed, 08 Feb 2017 08:19:55 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cbNTm-0006PL-AF for xen-devel@lists.xenproject.org; Wed, 08 Feb 2017 08:19:54 +0000 Received: from [85.158.139.211] by server-17.bemta-5.messagelabs.com id 7D/E0-25263-9A4DA985; Wed, 08 Feb 2017 08:19:53 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrHLMWRWlGSWpSXmKPExsXS1tbhqLvyyqw IgxcrWSy+b5nM5MDocfjDFZYAxijWzLyk/IoE1ozzm/cxF3wTqFh2cT9LA+NXni5GTg4hgUqJ Y/M6WUBsCQFeiSPLZrBC2H4Sc47cYexi5AKqaWCU6Dv1kxEkwSagLvH4aw8TiC0ioCRxb9VkJ pAiZoFFTBIrJn1nA0kICzhI/Pv2kRnEZhFQleg6ep4dxOYV8JC4u+AEG8QGOYmTxyYDbePg4A SKr1kgB3GQu8T1kzNYJjDyLmBkWMWoUZxaVJZapGtoqJdUlJmeUZKbmJmja2hgqpebWlycmJ6 ak5hUrJecn7uJERgODECwg3Flu/MhRkkOJiVRXsZTsyKE+JLyUyozEosz4otKc1KLDzHKcHAo SfCyAcNLSLAoNT21Ii0zBxiYMGkJDh4lEd7Dl4HSvMUFibnFmekQqVOMilLiEAkBkERGaR5cG ywaLjHKSgnzMgIdIsRTkFqUm1mCKv+KUZyDUUmYNxxkCk9mXgnc9FdAi5mAFl8/Dba4JBEhJd XAGPe1fiW7xETvGpWH5wLtN9UL6wl9WcStZlb6lYVTo8L8ZlpVJ3szX8HGoNavKw9vXnjrUmH FQwONzed433q9ec3s6StvLS7d+SXrQwrHz6LjGTPfTxY/tSnoY1z01TStN7nv9vXKx5s/6eF5 WheX2TTxXRi3ru6THbxfn7UULfxkdrxD0nGiEktxRqKhFnNRcSIAxXtVFoECAAA= X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1486541945!83610550!20 X-Originating-IP: [134.134.136.65] 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 997 invoked from network); 8 Feb 2017 08:19:52 -0000 Received: from mga03.intel.com (HELO mga03.intel.com) (134.134.136.65) by server-6.tower-206.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 8 Feb 2017 08:19:52 -0000 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP; 08 Feb 2017 00:19:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,346,1477983600"; d="scan'208";a="63203588" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by fmsmga006.fm.intel.com with ESMTP; 08 Feb 2017 00:19:49 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Wed, 8 Feb 2017 16:16:11 +0800 Message-Id: <1486541776-8406-20-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1486541776-8406-1-git-send-email-yi.y.sun@linux.intel.com> References: <1486541776-8406-1-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 v6 19/24] x86: L2 CAT: implement get value flow. 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 L2 CAT get value callback function and interface in domctl. Signed-off-by: Yi Sun --- xen/arch/x86/domctl.c | 7 +++++++ xen/arch/x86/psr.c | 12 ++++++++++++ xen/include/public/domctl.h | 1 + 3 files changed, 20 insertions(+) diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c index f8f5539..68c2d60 100644 --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -1460,6 +1460,13 @@ long arch_do_domctl( copyback = 1; break; + case XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM: + ret = psr_get_val(d, domctl->u.psr_cat_op.target, + &domctl->u.psr_cat_op.data, + PSR_CBM_TYPE_L2); + copyback = 1; + break; + default: ret = -EOPNOTSUPP; break; diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c index 5d1c2d5..1db77b1 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -741,9 +741,21 @@ static bool l2_cat_get_feat_info(const struct feat_node *feat, return true; } +static bool l2_cat_get_val(const struct feat_node *feat, unsigned int cos, + enum cbm_type type, uint64_t *val) +{ + if ( cos > feat->info.l2_cat_info.cos_max ) + cos = 0; + + *val = feat->cos_reg_val[cos]; + + return true; +} + struct feat_ops l2_cat_ops = { .get_cos_max = l2_cat_get_cos_max, .get_feat_info = l2_cat_get_feat_info, + .get_val = l2_cat_get_val, }; static void __init parse_psr_bool(char *s, char *value, char *feature, diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h index 85cbb7c..8c183ba 100644 --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -1138,6 +1138,7 @@ struct xen_domctl_psr_cat_op { #define XEN_DOMCTL_PSR_CAT_OP_SET_L3_DATA 3 #define XEN_DOMCTL_PSR_CAT_OP_GET_L3_CODE 4 #define XEN_DOMCTL_PSR_CAT_OP_GET_L3_DATA 5 +#define XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM 7 uint32_t cmd; /* IN: XEN_DOMCTL_PSR_CAT_OP_* */ uint32_t target; /* IN */ uint64_t data; /* IN/OUT */