From nobody Mon Feb 9 12:08:57 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=none dis=none) header.from=intel.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1532758329015914.0282445823957; Fri, 27 Jul 2018 23:12:09 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 56FD181F0C; Sat, 28 Jul 2018 06:12:06 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 23988AD143; Sat, 28 Jul 2018 06:12:06 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id C8FC03FCC2; Sat, 28 Jul 2018 06:12:05 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w6S6BamO031643 for ; Sat, 28 Jul 2018 02:11:36 -0400 Received: by smtp.corp.redhat.com (Postfix) id C5F17CF611; Sat, 28 Jul 2018 06:11:36 +0000 (UTC) Received: from mx1.redhat.com (ext-mx17.extmail.prod.ext.phx2.redhat.com [10.5.110.46]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C01C0CF622 for ; Sat, 28 Jul 2018 06:11:36 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BB7ED30E6869 for ; Sat, 28 Jul 2018 06:11:35 +0000 (UTC) Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Jul 2018 23:11:35 -0700 Received: from bing-i9.bj.intel.com ([172.16.182.85]) by fmsmga008.fm.intel.com with ESMTP; 27 Jul 2018 23:11:34 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,412,1526367600"; d="scan'208";a="58575316" From: bing.niu@intel.com To: libvir-list@redhat.com Date: Sat, 28 Jul 2018 13:48:34 +0800 Message-Id: <1532756921-6814-11-git-send-email-bing.niu@intel.com> In-Reply-To: <1532756921-6814-1-git-send-email-bing.niu@intel.com> References: <1532756921-6814-1-git-send-email-bing.niu@intel.com> X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 209 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Sat, 28 Jul 2018 06:11:35 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Sat, 28 Jul 2018 06:11:35 +0000 (UTC) for IP:'192.55.52.88' DOMAIN:'mga01.intel.com' HELO:'mga01.intel.com' FROM:'bing.niu@intel.com' RCPT:'' X-RedHat-Spam-Score: -5.001 (RCVD_IN_DNSWL_HI, SPF_PASS) 192.55.52.88 mga01.intel.com 192.55.52.88 mga01.intel.com X-Scanned-By: MIMEDefang 2.84 on 10.5.110.46 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.27 X-loop: libvir-list@redhat.com Cc: shaohe.feng@intel.com, huaqiang.wang@intel.com, Bing Niu , jian-feng.ding@intel.com, rui.zang@yandex.com Subject: [libvirt] [PATCH v2 10/17] util: Introduce virResctrlAllocSetMemoryBandwidth X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Sat, 28 Jul 2018 06:12:07 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Bing Niu Introduce an API to allow setting of the MBA from domain XML. Signed-off-by: Bing Niu --- src/libvirt_private.syms | 1 + src/util/virresctrl.c | 48 ++++++++++++++++++++++++++++++++++++++++++++= ++++ src/util/virresctrl.h | 5 +++++ 3 files changed, 54 insertions(+) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index cd598f9..0d2fc5c 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -2657,6 +2657,7 @@ virResctrlAllocNew; virResctrlAllocRemove; virResctrlAllocSetCacheSize; virResctrlAllocSetID; +virResctrlAllocSetMemoryBandwidth; virResctrlInfoGetCache; virResctrlInfoNew; =20 diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c index dc57c89..b821aac 100644 --- a/src/util/virresctrl.c +++ b/src/util/virresctrl.c @@ -965,6 +965,54 @@ virResctrlAllocForeachCache(virResctrlAllocPtr alloc, } =20 =20 +/* virResctrlAllocSetMemoryBandwidth + * @alloc: Pointer to an active allocation + * @id: node id of MBA to be set + * @memory_bandwidth: new memory bandwidth value + * + * Set the @memory_bandwidth for the node @id entry in the @alloc. + * + * Returns 0 on success, -1 on failure with error message set. + */ +int +virResctrlAllocSetMemoryBandwidth(virResctrlAllocPtr alloc, + unsigned int id, + unsigned int memory_bandwidth) +{ + virResctrlAllocMemBWPtr mem_bw =3D alloc->mem_bw; + + if (memory_bandwidth > 100) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("Memory Bandwidth value beyond 100 is invalid.")); + return -1; + } + + if (!mem_bw) { + if (VIR_ALLOC(mem_bw) < 0) + return -1; + alloc->mem_bw =3D mem_bw; + } + + if (mem_bw->nbandwidths <=3D id && + VIR_EXPAND_N(mem_bw->bandwidths, mem_bw->nbandwidths, + id - mem_bw->nbandwidths + 1) < 0) + return -1; + + if (mem_bw->bandwidths[id]) { + virReportError(VIR_ERR_XML_ERROR, + _("Memory Bandwidth already defined for node %u"), + id); + return -1; + } + + if (VIR_ALLOC(mem_bw->bandwidths[id]) < 0) + return -1; + + *(mem_bw->bandwidths[id]) =3D memory_bandwidth; + return 0; +} + + /* virResctrlAllocForeachMemory * @alloc: Pointer to an active allocation * @cb: Callback function diff --git a/src/util/virresctrl.h b/src/util/virresctrl.h index 5ea5b27..8d62517 100644 --- a/src/util/virresctrl.h +++ b/src/util/virresctrl.h @@ -96,6 +96,11 @@ virResctrlAllocForeachCache(virResctrlAllocPtr alloc, void *opaque); =20 int +virResctrlAllocSetMemoryBandwidth(virResctrlAllocPtr alloc, + unsigned int id, + unsigned int memory_bandwidth); + +int virResctrlAllocForeachMemory(virResctrlAllocPtr resctrl, virResctrlAllocForeachMemoryCallback cb, void *opaque); --=20 2.7.4 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list