From patchwork Wed Dec 14 04:07:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Sun X-Patchwork-Id: 9474031 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 EFAD860823 for ; Wed, 14 Dec 2016 11:12:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E68542871B for ; Wed, 14 Dec 2016 11:12:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB2C328720; Wed, 14 Dec 2016 11:12:25 +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 90EFB2871B for ; Wed, 14 Dec 2016 11:12:25 +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 1cH7SG-000677-6i; Wed, 14 Dec 2016 11:10:36 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cH7SE-00064W-BT for xen-devel@lists.xenproject.org; Wed, 14 Dec 2016 11:10:34 +0000 Received: from [85.158.143.35] by server-5.bemta-6.messagelabs.com id F6/10-11476-9A821585; Wed, 14 Dec 2016 11:10:33 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRWlGSWpSXmKPExsXS1tYhobtSIzD CYOFGPovvWyYzOTB6HP5whSWAMYo1My8pvyKBNWPXpYnMBX8FK25f7GJtYLzG28XIySEkUCHR e6ifGcSWEOCVOLJsBiuE7Sex51krWxcjF1BNA6PElVvfGEESbALqEo+/9jCB2CICShL3Vk1mA iliFuhmklj5cCsLSEJYwEFix+KdYEUsAqoSf/o2AE3l4OAV8JCYfVAVYoGcxMljk8HCnEDhf1 sSIe5xl7jY+459AiPvAkaGVYwaxalFZalFukbGeklFmekZJbmJmTm6hgZmermpxcWJ6ak5iUn Fesn5uZsYgcHAAAQ7GP/MDzzEKMnBpCTKy3U1IEKILyk/pTIjsTgjvqg0J7X4EKMMB4eSBO8s 9cAIIcGi1PTUirTMHGBYwqQlOHiURHiDVIDSvMUFibnFmekQqVOMilLivCtB+gRAEhmleXBts Fi4xCgrJczLCHSIEE9BalFuZgmq/CtGcQ5GJWHeDSBTeDLzSuCmvwJazAS0WHSJP8jikkSElF QDo/y93SLdKdl/ui8GfI9siIiZ1v2iQ+7gj4dLT6z4tXSBc3DRyy5Jm+lyX0V5DMzXrfO5op0 4NcswslVw22+5UNut887smf5typSMCzesc1j7bxnOZHj2Jc7vuoWk6k8vRVbu08w85i+t0oz1 J+81TK0sfed0KWDDlQDlte3aBckMWo9z54WoKrEUZyQaajEXFScCAFyLEK2AAgAA X-Env-Sender: yi.y.sun@linux.intel.com X-Msg-Ref: server-12.tower-21.messagelabs.com!1481713769!48240089!20 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 25787 invoked from network); 14 Dec 2016 11:10:32 -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 11:10:32 -0000 Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP; 14 Dec 2016 03:10:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,346,1477983600"; d="scan'208";a="39863391" Received: from vmmmba-s2600wft.bj.intel.com ([10.240.193.63]) by orsmga004.jf.intel.com with ESMTP; 14 Dec 2016 03:10:30 -0800 From: Yi Sun To: xen-devel@lists.xenproject.org Date: Wed, 14 Dec 2016 12:07:59 +0800 Message-Id: <1481688484-5093-20-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 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 | 16 ++++++++++++++++ xen/include/public/domctl.h | 1 + 3 files changed, 24 insertions(+) diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c index 8e5502a..e5aa932 100644 --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -1424,6 +1424,13 @@ 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 6de0abf..0886a01 100644 --- a/xen/arch/x86/psr.c +++ b/xen/arch/x86/psr.c @@ -787,10 +787,26 @@ 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 ( type != PSR_CBM_TYPE_L2 ) + return false; + + if ( cos > feat->info.l2_cat_info.cos_max ) + cos = 0; + + /* L2 CAT */ + *val = feat->cos_reg_val[cos]; + + return true; +} + struct feat_ops l2_cat_ops = { .init_feature = l2_cat_init_feature, .get_max_cos_max = l2_cat_get_max_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 177319d..d04e318 100644 --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -1137,6 +1137,7 @@ 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 */