From patchwork Thu Sep 7 13:47:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 9942319 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 D361C600CB for ; Thu, 7 Sep 2017 13:50:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9094286CF for ; Thu, 7 Sep 2017 13:50:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D773028732; Thu, 7 Sep 2017 13:50:16 +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 CD17B286CF for ; Thu, 7 Sep 2017 13:50:10 +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 1dpx9n-00034T-9u; Thu, 07 Sep 2017 13:47:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dpx9l-00033W-8r for xen-devel@lists.xen.org; Thu, 07 Sep 2017 13:47:45 +0000 Received: from [85.158.139.211] by server-10.bemta-5.messagelabs.com id 3F/28-00743-00E41B95; Thu, 07 Sep 2017 13:47:44 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMLMWRWlGSWpSXmKPExsVyuP0Ov+4/342 RBvN+GFss+biYxYHR4+ju30wBjFGsmXlJ+RUJrBlH+z6xFiwXqpj/UqSB8ThfFyMnh4SAkcTb if+Yuhi5OIQEFjJKPHp6lQ0kwSagKrHh+ilWEFtEQFri2ufLjCBFzAKTmCQWdK9jB0kIC0RIz HrxhBHEZgFqaJ75EayBV8BEYuuVa0wQG+QlOg5MZgGxOQVMJda2PASrFwKqaf21g3UCI/cCRo ZVjOrFqUVlqUW6RnpJRZnpGSW5iZk5uoYGpnq5qcXFiempOYlJxXrJ+bmbGIHeZQCCHYzf/zg dYpTkYFIS5T2usTFSiC8pP6UyI7E4I76oNCe1+BCjBgeHQN+a1RcYpVjy8vNSlSR4S3yA6gSL UtNTK9Iyc4DhB1MqwcGjJMJ7CSTNW1yQmFucmQ6ROsVozHFs0+U/TBwdN+/+YRICmyQlzrsUp FQApDSjNA9uECwuLjHKSgnzMgKdKcRTkFqUm1mCKv+KUZyDUUmY9znIFJ7MvBK4fa+ATmECOq Xk+QaQU0oSEVJSDYx52fvOZdyotN45vTy+Yt9Jm6Dge4rtS9e8fHUu6ssfpTCWOrU53btK2Jz 3/NDwuJHm/0FUv/ZwT8lk25w/RnwhKwvYOfb8WOviGBO4rO3yx7vK8gGfpk6+9X1NP0fsgyMm 0yey5f+35v1Ze2XJvOypqy8z/Dk6rdL1doVLdP4S6Z3bsiLZL5grsRRnJBpqMRcVJwIAwPZpG IYCAAA= X-Env-Sender: jgross@suse.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1504792062!74268453!1 X-Originating-IP: [195.135.220.15] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10543 invoked from network); 7 Sep 2017 13:47:42 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-12.tower-206.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 7 Sep 2017 13:47:42 -0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7AD5FAC6C; Thu, 7 Sep 2017 13:47:42 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xen.org Date: Thu, 7 Sep 2017 15:47:34 +0200 Message-Id: <20170907134735.20434-8-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170907134735.20434-1-jgross@suse.com> References: <20170907134735.20434-1-jgross@suse.com> Cc: Juergen Gross , sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, tim@xen.org, julien.grall@arm.com, jbeulich@suse.com, dgdegra@tycho.nsa.gov Subject: [Xen-devel] [PATCH v4 7/8] libxc: add libxc support for setting grant table resource limits 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 Add a new libxc function xc_domain_set_gnttbl_limits() setting the limits for the maximum numbers of grant table frames and maptrack frames of a domain. Signed-off-by: Juergen Gross Reviewed-by: Paul Durrant Acked-by: Wei Liu --- V4: - use domid_t (Wei Liu) --- tools/libxc/include/xenctrl.h | 14 ++++++++++++++ tools/libxc/xc_domain.c | 13 +++++++++++++ 2 files changed, 27 insertions(+) diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index 43151cb415..ab34fb4f70 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1064,6 +1064,20 @@ int xc_domain_set_virq_handler(xc_interface *xch, uint32_t domid, int virq); int xc_domain_set_max_evtchn(xc_interface *xch, uint32_t domid, uint32_t max_port); +/** + * Set the maximum number of grant frames and/or maptrack frames a domain + * can have. Can only be used at domain setup time. A zero value means + * no change. + * + * @param xch a handle to an open hypervisor interface + * @param domid the domain id + * @param grant_frames max. number of grant frames + * @param maptrack_frames max. number of maptrack frames + */ +int xc_domain_set_gnttab_limits(xc_interface *xch, domid_t domid, + uint32_t grant_frames, + uint32_t maptrack_frames); + /* * CPUPOOL MANAGEMENT FUNCTIONS */ diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 3bab4e8bab..41b42d6637 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -2268,6 +2268,19 @@ int xc_domain_set_max_evtchn(xc_interface *xch, uint32_t domid, return do_domctl(xch, &domctl); } +int xc_domain_set_gnttab_limits(xc_interface *xch, domid_t domid, + uint32_t grant_frames, + uint32_t maptrack_frames) +{ + DECLARE_DOMCTL; + + domctl.cmd = XEN_DOMCTL_set_gnttab_limits; + domctl.domain = domid; + domctl.u.set_gnttab_limits.grant_frames = grant_frames; + domctl.u.set_gnttab_limits.maptrack_frames = maptrack_frames; + return do_domctl(xch, &domctl); +} + /* Plumbing Xen with vNUMA topology */ int xc_domain_setvnuma(xc_interface *xch, uint32_t domid,