From nobody Wed Apr 16 11:55:14 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1733772639; cv=none; d=zohomail.com; s=zohoarc; b=bl4ulYuBWoZN7Pay8jWpMkTTm8PrF2UfGgSMDk2s8cEhD8sUFjT4QEB+lcaPXc0mFumtLg++MYy9xTyWlxW+D6g8HQzec8GllumFbCxnaIMIMcDs9E0yP7vYUM2wwSfFLM+Tf6R0NVHqdIp+Pf+EdfDb8EnNkgqeaoIaEkMStWk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1733772639; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=Bp4t8Q7szysQmDunlpTi2lKOZQVxXcSTn7sB1WWvry8=; b=gSTmPItt9vR9cP5CZgWMtCUG0ZSrWFCSuv0DfYHXVMKsuY4Y69CmaBcZbQMTW03vTAdAC4lMMGHwCKxLHmnehWnG/LzHxzqfoW1zf0b/ir+ckQWJTOWRR1YoB8VqsX4hKuONYrt7kugdjKs4WOXoBtVv55XwYvfGbPx0kS+nY5E= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1733772639272765.3997957089066; Mon, 9 Dec 2024 11:30:39 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tKjRt-0004fY-Qa; Mon, 09 Dec 2024 14:29:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tKjRr-0004dK-C2; Mon, 09 Dec 2024 14:29:39 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tKjRo-0004Dn-Le; Mon, 09 Dec 2024 14:29:39 -0500 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4B9DZjAG022658; Mon, 9 Dec 2024 19:29:34 GMT Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 43ce1vk72w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 09 Dec 2024 19:29:34 +0000 (GMT) Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 4B9Hgq8B032739; Mon, 9 Dec 2024 19:29:33 GMT Received: from smtprelay02.wdc07v.mail.ibm.com ([172.16.1.69]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 43d0ps8aa2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 09 Dec 2024 19:29:33 +0000 Received: from smtpav04.dal12v.mail.ibm.com (smtpav04.dal12v.mail.ibm.com [10.241.53.103]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 4B9JTVqh31195884 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 9 Dec 2024 19:29:31 GMT Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5C3E058056; Mon, 9 Dec 2024 19:29:31 +0000 (GMT) Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7780358052; Mon, 9 Dec 2024 19:29:30 +0000 (GMT) Received: from li-2311da4c-2e09-11b2-a85c-c003041e9174.ibm.com.com (unknown [9.61.107.222]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 9 Dec 2024 19:29:30 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=Bp4t8Q7szysQmDunl pTi2lKOZQVxXcSTn7sB1WWvry8=; b=n3dnVVEj1VYL7cgl0nEBuvx2iRAl7Ub9K /PeKBBQ1w7ccCJCqkEhKOpUBA/RInLAES+BAw4q9imBALerNuR01liNnrDgLdx3T maW5prSSXKpmvoLkcnM0GGzba8kl3945MYFl2KbxlJKK2p9jR4rGqfswA4qRDbGQ 9sAUciDvJ88/kDJ+Ou/EyoYppi1A1A0xBxI1RVjl3i53Jm7lDI9V5mKcF+uJekhd BU0i1W8HApC3AhAcpYPZd3+ANAp3y1IRPIXGDLnfYkpKASxun4GCliLAokCspNdz xDl0hZ/fCz4Gz1JxHJc1rjJRdthOrS2JZaxSspxN4EL1dqmxu6zTw== From: Matthew Rosato To: qemu-s390x@nongnu.org Cc: farman@linux.ibm.com, schnelle@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, richard.henderson@linaro.org, david@redhat.com, iii@linux.ibm.com, clegoate@redhat.com, qemu-devel@nongnu.org Subject: [PATCH 2/2] s390x/pci: indicate QEMU supports relaxed translation for passthrough Date: Mon, 9 Dec 2024 14:29:27 -0500 Message-ID: <20241209192927.107503-3-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241209192927.107503-1-mjrosato@linux.ibm.com> References: <20241209192927.107503-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: t76ygItlgr-CLDYwMykbPtb8DxsykLFA X-Proofpoint-ORIG-GUID: t76ygItlgr-CLDYwMykbPtb8DxsykLFA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 phishscore=0 bulkscore=0 mlxlogscore=991 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412090151 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=mjrosato@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1733772639907116600 Content-Type: text/plain; charset="utf-8" Specifying this bit in the guest CLP response indicates that the guest can optionally choose to skip translation and instead use identity-mapped operations. Signed-off-by: Matthew Rosato --- hw/s390x/s390-pci-vfio.c | 4 +++- include/hw/s390x/s390-pci-clp.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 7dbbc76823..51ac5ff3eb 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -224,7 +224,9 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, =20 resgrp =3D &pbdev->pci_group->zpci_group; if (cap->flags & VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH) { - resgrp->fr =3D 1; + resgrp->fr =3D (CLP_RSP_QPCIG_MASK_RTR | CLP_RSP_QPCIG_MASK_RE= FRESH); + } else { + resgrp->fr =3D CLP_RSP_QPCIG_MASK_RTR; } resgrp->dasm =3D cap->dasm; resgrp->msia =3D cap->msi_addr; diff --git a/include/hw/s390x/s390-pci-clp.h b/include/hw/s390x/s390-pci-cl= p.h index 03b7f9ba5f..6a635d693b 100644 --- a/include/hw/s390x/s390-pci-clp.h +++ b/include/hw/s390x/s390-pci-clp.h @@ -158,6 +158,7 @@ typedef struct ClpRspQueryPciGrp { #define CLP_RSP_QPCIG_MASK_NOI 0xfff uint16_t i; uint8_t version; +#define CLP_RSP_QPCIG_MASK_RTR 0x20 #define CLP_RSP_QPCIG_MASK_FRAME 0x2 #define CLP_RSP_QPCIG_MASK_REFRESH 0x1 uint8_t fr; --=20 2.47.0