From patchwork Sat Jul 15 00:31:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9841837 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 1C81C60212 for ; Sat, 15 Jul 2017 00:48:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0C8AF28798 for ; Sat, 15 Jul 2017 00:48:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 016A7287B3; Sat, 15 Jul 2017 00:48:39 +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 AD77428798 for ; Sat, 15 Jul 2017 00:48:39 +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 1dWBEZ-0007dC-UK; Sat, 15 Jul 2017 00:46:59 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dWBEY-0007WG-SE for xen-devel@lists.xenproject.org; Sat, 15 Jul 2017 00:46:58 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 8C/06-02176-1F569695; Sat, 15 Jul 2017 00:46:41 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrJLMWRWlGSWpSXmKPExsVywNxEW/dDama kwbNLBhbft0xmcmD0OPzhCksAYxRrZl5SfkUCa8bMvxwF7/kret9fZG5gbOXpYuTkEBKokPjc /IYVxJYQ4JU4smwGlO0vcajtGWMXIxdQTQOjxI/3a5lAEmwC6hKPv/aA2SICShL3Vk1mAiliF pjPJPH6/ANmkISwgKPE66ZPbCA2i4CqxIGb58HivAIeEp9e3WCH2CAncfLYZLBtnEDxqfvagO IcQNvcJVpml09g5F3AyLCKUaM4tagstUjX2EAvqSgzPaMkNzEzR9fQwFgvN7W4ODE9NScxqVg vOT93EyMwGOoZGBh3MHae8DvEKMnBpCTK++52RqQQX1J+SmVGYnFGfFFpTmrxIUYZDg4lCV5+ YHAJCRalpqdWpGXmAMMSJi3BwaMkwjsrBSjNW1yQmFucmQ6ROsWoy/Fqwv9vTEIsefl5qVLiv KdAigRAijJK8+BGwGLkEqOslDAvIwMDgxBPQWpRbmYJqvwrRnEORiVh3vkgU3gy80rgNr0COo IJ6Ii2rAyQI0oSEVJSDYzRt9eLTT9YNGFG4V6xvRtvsccGfJeePovV8Mf1jfWzW4Pm7jZl/TP l8N13Jpt4e4qvu0p3bTuUUrLzhoL45EN7+Ve3JBT1sJsd+/fhguu1+XMS/hpyWhrPEZ2jFzc/ Kv/D+U2L1GITVzXsk+5iYb0WXtoyZyf37pAYjTvFM+2dYp33fO1JZtiuxFKckWioxVxUnAgAF vAII4wCAAA= X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1500079549!66978060!19 X-Originating-IP: [192.55.52.43] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.25; banners=-,-,- X-VirusChecked: Checked Received: (qmail 39770 invoked from network); 15 Jul 2017 00:46:40 -0000 Received: from mga05.intel.com (HELO mga05.intel.com) (192.55.52.43) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 15 Jul 2017 00:46:40 -0000 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP; 14 Jul 2017 17:46:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,360,1496127600"; d="scan'208";a="111534917" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.80]) by orsmga002.jf.intel.com with ESMTP; 14 Jul 2017 17:46:37 -0700 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Sat, 15 Jul 2017 08:31:51 +0800 Message-Id: <1500078716-5928-19-git-send-email-yi.y.sun@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500078716-5928-1-git-send-email-yi.y.sun@linux.intel.com> References: <1500078716-5928-1-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, ian.jackson@eu.citrix.com, Yi Sun , mengxu@cis.upenn.edu, jbeulich@suse.com, chao.p.peng@linux.intel.com, roger.pau@citrix.com Subject: [Xen-devel] [PATCH v14 18/23] 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 interface in domctl. Signed-off-by: Yi Sun Reviewed-by: Jan Beulich --- v14: - rebase domctl.c on latest codes: bool_t is replace by bool. v11: - remove "get_val' assignment because it has been replaced by generic codes. (suggested by Jan Beulich) v10: - remove cast in domctl. (suggested by Jan Beulich) v9: - reuse 'cat_get_val' for L2 CAT to reduce redundant codes (suggested by Roger Pau) - changes about 'uint64_t' to 'uint32_t'. (suggested by Jan Beulich) v5: - remove type check in callback function. (suggested by Jan Beulich) v4: - create this patch because of codes architecture change. (suggested by Jan Beulich) --- xen/arch/x86/domctl.c | 7 +++++++ xen/include/public/domctl.h | 1 + 2 files changed, 8 insertions(+) diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c index 6aa3d06..7b58053 100644 --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -1460,6 +1460,13 @@ long arch_do_domctl( copyback = true; break; + case XEN_DOMCTL_PSR_CAT_OP_GET_L2_CBM: + ret = psr_get_val(d, domctl->u.psr_cat_op.target, + &val32, PSR_CBM_TYPE_L2); + domctl->u.psr_cat_op.data = val32; + copyback = true; + break; + default: ret = -EOPNOTSUPP; break; diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h index ff39762..61d44cd 100644 --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -1142,6 +1142,7 @@ 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 */