From patchwork Mon Oct 5 16:51:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 303694 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43F0DC4363A for ; Mon, 5 Oct 2020 16:56:35 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E6A77204EA for ; Mon, 5 Oct 2020 16:56:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6A77204EA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kPTmr-0007wZ-LR for qemu-devel@archiver.kernel.org; Mon, 05 Oct 2020 12:56:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46554) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kPTie-00039e-W8; Mon, 05 Oct 2020 12:52:13 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:61154) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kPTid-0001e4-5H; Mon, 05 Oct 2020 12:52:12 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 095Gjmax105076; Mon, 5 Oct 2020 12:52:06 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 34079w03wa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Oct 2020 12:52:05 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 095Gq3ts006808; Mon, 5 Oct 2020 16:52:03 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma03ams.nl.ibm.com with ESMTP id 33xgx8ack8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Oct 2020 16:52:03 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 095Gq1Hh32440652 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 5 Oct 2020 16:52:01 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 18D2D4C058; Mon, 5 Oct 2020 16:52:01 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B90994C044; Mon, 5 Oct 2020 16:52:00 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av22.portsmouth.uk.ibm.com (Postfix) with SMTP; Mon, 5 Oct 2020 16:52:00 +0000 (GMT) Received: from yukon.ibmuc.com (sig-9-145-2-207.uk.ibm.com [9.145.2.207]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id F2EE2220155; Mon, 5 Oct 2020 18:51:59 +0200 (CEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: David Gibson Subject: [PATCH v2 5/6] spapr/xive: Activate StoreEOI at the source level Date: Mon, 5 Oct 2020 18:51:46 +0200 Message-Id: <20201005165147.526426-6-clg@kaod.org> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20201005165147.526426-1-clg@kaod.org> References: <20201005165147.526426-1-clg@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-10-05_11:2020-10-05, 2020-10-05 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 impostorscore=0 clxscore=1034 bulkscore=0 adultscore=0 suspectscore=0 phishscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2010050117 Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/05 12:52:09 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , qemu-ppc@nongnu.org, Greg Kurz , Gustavo Romero Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" When the StoreEOI capability is "on", the H_INT_GET_SOURCE_INFO will set the StoreEOI flag for all sources. This could be an issue if StoreEOI is not supported on a specific source, of a passthrough device for instance. In that case, we could either introduce a new KVM ioctl to query the characteristics of the source at the HW level or deactivate StoreEOI on the machine. This is theoretically unsafe on a POWER9 host but it still runs. Signed-off-by: Cédric Le Goater --- hw/intc/spapr_xive.c | 1 + hw/ppc/spapr_irq.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 1fa09f287ac0..41f2719ff93a 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -280,6 +280,7 @@ static void spapr_xive_instance_init(Object *obj) SpaprXive *xive = SPAPR_XIVE(obj); object_initialize_child(obj, "source", &xive->source, TYPE_XIVE_SOURCE); + object_property_add_alias(obj, "flags", OBJECT(&xive->source), "flags"); object_initialize_child(obj, "end_source", &xive->end_source, TYPE_XIVE_END_SOURCE); diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index f59960339ec3..cdf9f9df4173 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -325,9 +325,14 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp) if (spapr->irq->xive) { uint32_t nr_servers = spapr_max_server_number(spapr); + uint64_t flags = 0; DeviceState *dev; int i; + if (spapr_get_cap(spapr, SPAPR_CAP_STOREEOI) == SPAPR_CAP_ON) { + flags |= XIVE_SRC_STORE_EOI; + } + dev = qdev_new(TYPE_SPAPR_XIVE); qdev_prop_set_uint32(dev, "nr-irqs", smc->nr_xirqs + SPAPR_XIRQ_BASE); /* @@ -337,6 +342,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp) qdev_prop_set_uint32(dev, "nr-ends", nr_servers << 3); object_property_set_link(OBJECT(dev), "xive-fabric", OBJECT(spapr), &error_abort); + object_property_set_int(OBJECT(dev), "flags", flags, &error_abort); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); spapr->xive = SPAPR_XIVE(dev);