From nobody Sat Apr 11 18:34:11 2026 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=1775098390; cv=none; d=zohomail.com; s=zohoarc; b=aI0GG8FnQcActY1F4AEBBM2pn/JavpfNuv1KktpYyiJWgXgv8Of0auN3HctXuLKijXLhHgfKhWZGpHZNr3jvmUTUMLkSD6r1JX01PWHXzQdb3uLye1LzEtRSr3BVJfrLWT0KowHEqWhJx6ECQ/o6wsm7nvt1ecG3Rduu9XWkWys= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775098390; 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=UXYpNRzv4+eZcjhxh3B2xqMU0eQ8GnuF6qMEze3ITME=; b=LFPAyWyWJQrZuEf1UkncSd2PuJxADc6R8yun6XC1TMUwBmf30oDnEA+6NkozO2AVALUa2P+ITjOtkEyksIlzxBr8FfITYDWCZj0ryaFRTNlmoZ11PHGkOF98yrt69A+ZxCM0qWYHfH72g1AsB8uM/j8lxnFFRJkHiYiOQdv4RLY= 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 177509839071351.22633758389702; Wed, 1 Apr 2026 19:53:10 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w88AY-0001MC-04; Wed, 01 Apr 2026 22:52:31 -0400 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 1w88AO-0001Kl-O0; Wed, 01 Apr 2026 22:52:22 -0400 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 1w88AM-0007jI-CS; Wed, 01 Apr 2026 22:52:20 -0400 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631Nb3Tb445673; Thu, 2 Apr 2026 02:52:13 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 4d66g233ca-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:52:13 +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 631Mjbeb021665; Thu, 2 Apr 2026 02:52:12 GMT Received: from smtprelay07.dal12v.mail.ibm.com ([172.16.1.9]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6sasrj6n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:52:12 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322qB1R31326766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:52:11 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 699C1580F5; Thu, 2 Apr 2026 02:29:52 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DF90A580F0; Thu, 2 Apr 2026 02:29:51 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:51 +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=UXYpNRzv4+eZcjhxh 3B2xqMU0eQ8GnuF6qMEze3ITME=; b=kNnF/CDQhWsBk88rTQQ1icqsD2thW+QVn zE9kpxB6ntHAGRO0CEn5TaRq38Yzs0U/Sv4AJAEWDULeZDHYj7dABZxuWaFZYGnG jA4Pq0wGUCgW4zNSFripJfNWxN9IwOCNgrzCYlGYdDtQ3Rnx8PEjIBtlAA0+BdYL HTHnYCmreQUZmmifv6iQEgCfFZw2hQBPAYnFdADBZmpm1Aw2ax1g8VsR7PLLkaIi v4jzazpbxr8g/AzeEWeeTORdqBoAAQzoTxcudZJ1rypzBSAu8OgBR+N7dOyGSIav Gh1FvkmE+nfewzOHLyy4zKEKezCaBtHreIP2C9pjEVHLAIHfiJ+8w== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 01/15] s390x/pci: implement IOMMU replay Date: Wed, 1 Apr 2026 21:29:07 -0500 Message-Id: <20260402022921.298818-2-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Fdo6BZ+6 c=1 sm=1 tr=0 ts=69cdd9dd cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=CCwrLMjO1E3osjVnD3IA:9 X-Proofpoint-ORIG-GUID: UJTxQi_7XAXOMLUSnZVqkNUguQfEPsFC X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAyNCBTYWx0ZWRfX+09Eo32RIH7z gG/UeeZ/6DusMx6vHNO4BeNrJo+S+2umLra/SOe3wDIE58kml+8wEkrkMQvx+4FYtpTyMvHtbjw YWbmFBXnSUNSxilR3dwPJ30+GU+FM1jgD/ATC8kmccofXsxCZYuUbqCaaEBLto8gh3n5AL8FeaA eMKMQJVOAR9Bu3+h5VxMFEYYiNk8HaI0DhtLsrh7jUvtEx/mLdIn99qEO7ac4gm48mEN28sYyEW 0AhDI8ubkP+TGeTG7xes0PS9M23oJK7LurJ14t8o2lZb6P9Po7X859RfGfxCQTwasZl2VFw3WPH 24Mf9m+0K7CeAxaYH9MmiykzOR0DZF87AAWSbTT0irzuYAnN9KxNWnowzbR6aULcpty2L8e2WN7 DJxjqZ/Y6m2NDSVrHokHi/C5YIg71bSaci+/gXLJQi8OYxpaA1z9KrUZsrI5ad1towaxwgUj63A v0+pYZbEjNwcxNcOvwQ== X-Proofpoint-GUID: UJTxQi_7XAXOMLUSnZVqkNUguQfEPsFC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 bulkscore=0 suspectscore=0 priorityscore=1501 adultscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020024 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775098392120154100 Content-Type: text/plain; charset="utf-8" From: Matthew Rosato There are a few scenarios where IOMMU replay can potentially be needed for zPCI device, namely VFIO device reset scenarios where the guest continues running and expects the contents of its IOMMU to be replayed upon IOAT re-registration and migration scenarios where the destination must reconstruct the IOMMU on the destination. zPCI migration is not supported yet, but the IOMMU replay function is implemented so that it can be called both from IOMMUMemoryRegionClass now and migration post_load later. Signed-off-by: Matthew Rosato --- hw/s390x/s390-pci-bus.c | 50 ++++++++++++++++++++++++++++---- hw/s390x/s390-pci-inst.c | 4 +-- include/hw/s390x/s390-pci-inst.h | 1 + 3 files changed, 47 insertions(+), 8 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 4de7b587e8..3665aba106 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -592,14 +592,52 @@ err: return ret; } =20 -static void s390_pci_iommu_replay(IOMMUMemoryRegion *iommu, +static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) +{ + S390IOTLBEntry entry; + uint16_t error =3D 0; + uint32_t dma_avail; + hwaddr curr, end; + + curr =3D iommu->pba; + end =3D iommu->pal; + + if (iommu->dm_mr) { + /* If direct mapping is used, there are no guest tables to replay = */ + return; + } + + if (iommu->dma_limit) { + dma_avail =3D iommu->dma_limit->avail; + } else { + dma_avail =3D 1; + } + + while (curr < end) { + error =3D s390_guest_io_table_walk(iommu->g_iota, curr, &entry); + if (error) { + error_report("Failure to walk table during iommu remap"); + return; + } + + if (entry.perm !=3D IOMMU_NONE) { + if (dma_avail > 0) { + dma_avail =3D s390_pci_update_iotlb(iommu, &entry); + } else { + error_report("DMA mappings exhausted: iommu remap failed"); + return; + } + } + curr +=3D entry.len; + } +} + +static void s390_pci_iommu_replay(IOMMUMemoryRegion *mr, IOMMUNotifier *notifier) { - /* It's impossible to plug a pci device on s390x that already has iommu - * mappings which need to be replayed, that is due to the "one iommu p= er - * zpci device" construct. But when we support migration of vfio-pci - * devices in future, we need to revisit this. - */ + S390PCIIOMMU *iommu =3D container_of(mr, S390PCIIOMMU, iommu_mr); + + s390_pci_ioat_replay(iommu); } =20 static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus, diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 10066ca618..1834596076 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -613,8 +613,8 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8= _t r2, uintptr_t ra) return 0; } =20 -static uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, - S390IOTLBEntry *entry) +uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, + S390IOTLBEntry *entry) { S390IOTLBEntry *cache =3D g_hash_table_lookup(iommu->iotlb, &entry->io= va); IOMMUTLBEvent event =3D { diff --git a/include/hw/s390x/s390-pci-inst.h b/include/hw/s390x/s390-pci-i= nst.h index 5cb8da540b..c782990e3b 100644 --- a/include/hw/s390x/s390-pci-inst.h +++ b/include/hw/s390x/s390-pci-inst.h @@ -111,6 +111,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint6= 4_t fiba, uint8_t ar, int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t = ar, uintptr_t ra); void fmb_timer_free(S390PCIBusDevice *pbdev); +uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, S390IOTLBEntry *entry); =20 #define ZPCI_IO_BAR_MIN 0 #define ZPCI_IO_BAR_MAX 5 --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097053; cv=none; d=zohomail.com; s=zohoarc; b=AcZQRkOxkFOJsXpYUc6KjAHH2Au7pMZjCHLZ9ohAAOEuRWu0TxB49AA4wfTF1wMkNNTGV13GJHT0rxzNumdMjmPm+MovyIlxUEDuIcvtxOMaIFeqKePEXcgKsuSGwOm8ipvg71S9CtLa03kBqKylpKOxEVtWAHMTX7rG3irSwEM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097053; 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=2nAuGIzcGNveeUJaf4mJJ38OhIA5CorGjubqRHHjhZ8=; b=eukV9hczOdeSGaDABU+FAxzU7lbFupgJEGQRf0/Okdl+77r5VrjSJf3o2TlbI7ZrKoBZnKmMtY/iKE5H4eJFLnGPaMGYzcyvlEDrUH1qFtKQKh6zMm8vIM5nnzrQAUJdYFaaoTflpIz4h2zOdO4qRjzemeaX0AbeFZ2BX4cYtLM= 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 1775097053439689.5360889936065; Wed, 1 Apr 2026 19:30:53 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87ot-0004Dp-Dr; Wed, 01 Apr 2026 22:30:08 -0400 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 1w87on-0004Co-Or; Wed, 01 Apr 2026 22:30:02 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87om-0001kL-3O; Wed, 01 Apr 2026 22:30:01 -0400 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631IVC5K3747399; Thu, 2 Apr 2026 02:29:55 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66msa3th-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:54 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 631NFY8m005910; Thu, 2 Apr 2026 02:29:54 GMT Received: from smtprelay02.wdc07v.mail.ibm.com ([172.16.1.69]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4d6spy8ecx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:54 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TrJ628639948 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:53 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 12649580F9; Thu, 2 Apr 2026 02:29:53 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7DB03580F7; Thu, 2 Apr 2026 02:29:52 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:52 +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=2nAuGIzcGNveeUJaf 4mJJ38OhIA5CorGjubqRHHjhZ8=; b=NLPWrDciDIkl4PsB+Z+mHRHeWYsYZi2Ja WelER1831fPNJZC0xRFQL60d3gfnCZ7Hn9JLlGuhG3odsmp1BCj2TzN9Um+hkyrF JHG9GcBEFnDcAwtacTGEQSW8s4FWGJ2WRec2OyHyf5nk8RLAuojeUKLxtcE8gV7A qnj0CexhwRKTpGav1w+R2tSfqFI+YxvR6iQCTRE9iAlFHPpGVn5ASutT1PqvkGtT En8u/yLmmlG39bN8llsAFe4VnmrgXCrWFwnrwZ8KAVbevr9mee4qCQRz9DPC+FnD Rq2vgrkBAjA/WcJcVMd+tWAh73Qcn8SZhsSQ717nqdiEFFXc7YhsA== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 02/15] s390x/pci: Create function to contain translation status check Date: Wed, 1 Apr 2026 21:29:08 -0500 Message-Id: <20260402022921.298818-3-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4a2 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=aCv-BzsnQx_gTHabB28A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX5niHhBrBqYXQ IzPtOF7m27HTh4KagUm8I1b7DRfFOqDSf3LBJfJBRVh+2mC+HhniY0iePUYdsT2YGBS+TlG/Yk4 OsQgOGzn3a8a2gN9L5DfqDqQtFYszKAhyTrUaU2LKpwMr/wYl98atv0K47ivSYy1tpFm30d4cjk wICK1KVdJ2LFR5Znm8cIlhvoyLRI9/g+qNZUVOJWn01avV/Zt7t1ziLjGoqItQ61jm9f7TsKn8x vm7Z9fv9xczjkv+kERxjNxRkAuGZnp8ZPtY+qlR6Z565QYRPDrhjiiHOI+AhK3B1GYBmnBe7DrF 8yMYvX0htOKQBvkFdc4ajtOyRrl53KELxZJ9kWOEtRN51qipKNQLVaLHBGTtWaZQ2qoFbKc4VKU 4jR7luOM8AwSYUH1DV98O3iC1FxSL1USz6hkzjQsQqB1BLPbyv4qN9gP6e72X0EzNbawF9U4c1Z 4C6a1w65tHfe7mXA/hw== X-Proofpoint-GUID: bJt34xR9ATA-_JbR33aWrVNOlWS51Tl8 X-Proofpoint-ORIG-GUID: bJt34xR9ATA-_JbR33aWrVNOlWS51Tl8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1011 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097055778158501 Content-Type: text/plain; charset="utf-8" Make it more clear what the bit means, and the new function will be called from yet another place in the future. Signed-off-by: Konstantin Shkolnyy Reviewed-by: Christian Borntraeger --- hw/s390x/s390-pci-inst.c | 7 ++++++- include/hw/s390x/s390-pci-bus.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 1834596076..7c784b31f3 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -993,6 +993,11 @@ int pci_dereg_irqs(S390PCIBusDevice *pbdev) return 0; } =20 +bool s390_pci_is_translation_enabled(uint64_t g_iota) +{ + return ((g_iota >> 11) & 0x1) !=3D 0; /* "T" bit */ +} + static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib f= ib, uintptr_t ra) { @@ -1001,7 +1006,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, uint64_t pal =3D ldq_be_p(&fib.pal); uint64_t g_iota =3D ldq_be_p(&fib.iota); uint8_t dt =3D (g_iota >> 2) & 0x7; - uint8_t t =3D (g_iota >> 11) & 0x1; + bool t =3D s390_pci_is_translation_enabled(g_iota); =20 pba &=3D ~0xfff; pal |=3D 0xfff; diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 9228523ce8..eb15cb8b2d 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -390,6 +390,7 @@ int pci_chsc_sei_nt2_get_event(void *res); int pci_chsc_sei_nt2_have_event(void); void s390_pci_sclp_configure(SCCB *sccb); void s390_pci_sclp_deconfigure(SCCB *sccb); +bool s390_pci_is_translation_enabled(uint64_t g_iota); void s390_pci_iommu_enable(S390PCIIOMMU *iommu); void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu); void s390_pci_iommu_disable(S390PCIIOMMU *iommu); --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097120; cv=none; d=zohomail.com; s=zohoarc; b=QzzW/RxAEtG6iQYfi/yDGyIyWbIGFTmqVMD47IYNN8fs275C7phtkrwa1Qpp3tL8TVr553ijCkuPCWa3NkMfHfTJoQttW/gjU/HFqX4oldmSbrmSXBFP17/KpVV7t8iizuZyAWNQR0pIhQE8dly8flDdB3ENb8guPLhvtY5Eg6o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097120; 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=ly2hzpXgYbTYrZj8DbO63eeObMuKcn/h4P7ZlxoyJuE=; b=gz1tv6TRAqDtu6Gj5CQo4p3PPxKlu6n8DHPRrWmKFa3gHw3bSvTsUfnemwU37L2lo+lTwLKohC/Vc+Tz8VPE0HxybW8FBH6X/vCVWSCqFFCQAdSVBOM0wTIVv0scZewKr416Ety9GVIuw1wH3imePvUxV9sPTu2q3pt8XTfZtHg= 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 1775097120028389.4083857036311; Wed, 1 Apr 2026 19:32:00 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pE-0004XZ-6O; Wed, 01 Apr 2026 22:30:28 -0400 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 1w87op-0004DJ-Ks; Wed, 01 Apr 2026 22:30:03 -0400 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 1w87om-0001kY-Rq; Wed, 01 Apr 2026 22:30:03 -0400 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631LvR46442944; Thu, 2 Apr 2026 02:29:56 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66g231p9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:56 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6320ucSm014339; Thu, 2 Apr 2026 02:29:55 GMT Received: from smtprelay02.wdc07v.mail.ibm.com ([172.16.1.69]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4d6ttkr8e9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:55 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322Trxe21103300 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:53 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AF562580F6; Thu, 2 Apr 2026 02:29:53 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26B34580F7; Thu, 2 Apr 2026 02:29:53 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:53 +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=ly2hzpXgYbTYrZj8D bO63eeObMuKcn/h4P7ZlxoyJuE=; b=FnMFAhkFiRBWRPi3SaLj44mEGQIYeTHZq ppb7PJSfQO4lkSNalwi/mtwx9BKXwRtWZc77s1UQHiX9n1+W9/v/JyHnwQAauMzt FInS+PSERee7g/VZA25yTz59ZfpryNQWckHgJDuLnFMVU5nZfYPucQaJ0SpMHfFA 9hiIrvrmb3ucgGqj5YEqpZuaGfoUBRlc9O/6BnvvqsBZMOP+Qwlq6/NfO9zcDsDU wsRcswFb2MIFy42/2M3YNBXf1djSGoMzH0NWl+8bbi8gS1RExyc3cQ8ROv+PJlrP e6NyH6v1IrBWV+aD3FZuby/4zMWdH0mC+ncByP1xILKaUXSIBsPsw== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 03/15] s390x/pci: Move iommu_mr from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:09 -0500 Message-Id: <20260402022921.298818-4-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Fdo6BZ+6 c=1 sm=1 tr=0 ts=69cdd4a4 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=n4sMxHAKvM-efvCv8lMA:9 X-Proofpoint-ORIG-GUID: 6AC921ZdaLDSUyJ8E_ZwOZTUU9Ncf49K X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX6g+TaKFU3sH3 LxqJCiZJTl7W5Qrsym8T0DeBIC9z17Hr8CyTu+eQUlB4ub6SipS7rD26V3nqTWYnVxTXXEyxiZH 1NjopxQgcOv2bc+l45JgUDX3fkrKRIYH0HpUZHMcpxNIFB0N0eNVL+lqOgyLpkRld50bzVemo9b L6hI8r7QAXxP8m7+a0jL14ELoK8MkMaMjKGbJSBJU3WdjhBgSiamuvbi40aKbXjCuZaFYjcq/iO 5lmir5JEgTBx2yaaEwdewU/6O2FCVf6i+9EmCeJsp8sZ4uPHVNIulB6Uas2CPTU3xJTqtob1G3Z ktRRmxJxqswAGdmaV4WFccv0bAK/22HHcCpuvvjVQGQR/aPpWkETYKjYb0z0x+TN2iG17tO8qcd 7TexKYcj1XDHnOq2kQdHSTRYXD8pv+2U0LLq0kS9AxpjnKLCMHvfyxDtwiG2v1FvYz7RFbtmiP7 RGD7IK+LA8VbxhqwvmA== X-Proofpoint-GUID: 6AC921ZdaLDSUyJ8E_ZwOZTUU9Ncf49K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1011 bulkscore=0 suspectscore=0 priorityscore=1501 adultscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097121424154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 32 ++++++++++++++++++-------------- hw/s390x/s390-pci-inst.c | 28 +++++++++++++++------------- include/hw/s390x/s390-pci-bus.h | 6 +++--- include/hw/s390x/s390-pci-inst.h | 4 ++-- 4 files changed, 38 insertions(+), 32 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 3665aba106..99d503e85e 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -206,7 +206,7 @@ void s390_pci_sclp_deconfigure(SCCB *sccb) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; rc =3D SCLP_RC_NORMAL_COMPLETION; @@ -538,7 +538,8 @@ uint16_t s390_guest_io_table_walk(uint64_t g_iota, hwad= dr addr, static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRegion *mr, hwaddr ad= dr, IOMMUAccessFlags flag, int iommu= _idx) { - S390PCIIOMMU *iommu =3D container_of(mr, S390PCIIOMMU, iommu_mr); + S390PCIBusDevice *pbdev =3D container_of(mr, S390PCIBusDevice, iommu_m= r); + S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *entry; uint64_t iova =3D addr & TARGET_PAGE_MASK; uint16_t error =3D 0; @@ -592,12 +593,13 @@ err: return ret; } =20 -static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) +static void s390_pci_ioat_replay(S390PCIBusDevice *pbdev) { S390IOTLBEntry entry; uint16_t error =3D 0; uint32_t dma_avail; hwaddr curr, end; + S390PCIIOMMU *iommu =3D pbdev->iommu; =20 curr =3D iommu->pba; end =3D iommu->pal; @@ -622,7 +624,7 @@ static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) =20 if (entry.perm !=3D IOMMU_NONE) { if (dma_avail > 0) { - dma_avail =3D s390_pci_update_iotlb(iommu, &entry); + dma_avail =3D s390_pci_update_iotlb(pbdev, &entry); } else { error_report("DMA mappings exhausted: iommu remap failed"); return; @@ -635,9 +637,9 @@ static void s390_pci_ioat_replay(S390PCIIOMMU *iommu) static void s390_pci_iommu_replay(IOMMUMemoryRegion *mr, IOMMUNotifier *notifier) { - S390PCIIOMMU *iommu =3D container_of(mr, S390PCIIOMMU, iommu_mr); + S390PCIBusDevice *pbdev =3D container_of(mr, S390PCIBusDevice, iommu_m= r); =20 - s390_pci_ioat_replay(iommu); + s390_pci_ioat_replay(pbdev); } =20 static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus, @@ -759,19 +761,20 @@ static const MemoryRegionOps s390_msi_ctrl_ops =3D { .endianness =3D DEVICE_LITTLE_ENDIAN, }; =20 -void s390_pci_iommu_enable(S390PCIIOMMU *iommu) +void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu =3D pbdev->iommu; /* * The iommu region is initialized against a 0-mapped address space, * so the smallest IOMMU region we can define runs from 0 to the end * of the PCI address space. */ char *name =3D g_strdup_printf("iommu-s390-%04x", iommu->pbdev->uid); - memory_region_init_iommu(&iommu->iommu_mr, sizeof(iommu->iommu_mr), + memory_region_init_iommu(&pbdev->iommu_mr, sizeof(pbdev->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu-= >mr), name, iommu->pal + 1); iommu->enabled =3D true; - memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&iommu->iommu= _mr)); + memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&pbdev->iommu= _mr)); g_free(name); } =20 @@ -797,8 +800,9 @@ void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iom= mu) iommu->dm_mr); } =20 -void s390_pci_iommu_disable(S390PCIIOMMU *iommu) +void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu =3D pbdev->iommu; iommu->enabled =3D false; g_hash_table_remove_all(iommu->iotlb); if (iommu->dm_mr) { @@ -808,8 +812,8 @@ void s390_pci_iommu_disable(S390PCIIOMMU *iommu) iommu->dm_mr =3D NULL; } else { memory_region_del_subregion(&iommu->mr, - MEMORY_REGION(&iommu->iommu_mr)); - object_unparent(OBJECT(&iommu->iommu_mr)); + MEMORY_REGION(&pbdev->iommu_mr)); + object_unparent(OBJECT(&pbdev->iommu_mr)); } } =20 @@ -1408,7 +1412,7 @@ static void s390_pcihost_reset(DeviceState *dev) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; s390_pci_perform_unplug(pbdev); @@ -1549,7 +1553,7 @@ static void s390_pci_device_reset(DeviceState *dev) pci_dereg_irqs(pbdev); } if (pbdev->iommu->enabled) { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } =20 fmb_timer_free(pbdev); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 7c784b31f3..ed60e6100e 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -613,9 +613,10 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint= 8_t r2, uintptr_t ra) return 0; } =20 -uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, +uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *entry) { + S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *cache =3D g_hash_table_lookup(iommu->iotlb, &entry->io= va); IOMMUTLBEvent event =3D { .type =3D entry->perm ? IOMMU_NOTIFIER_MAP : IOMMU_NOTIFIER_UNMAP, @@ -645,7 +646,7 @@ uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, =20 event.type =3D IOMMU_NOTIFIER_UNMAP; event.entry.perm =3D IOMMU_NONE; - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); event.type =3D IOMMU_NOTIFIER_MAP; event.entry.perm =3D entry->perm; } @@ -663,13 +664,13 @@ uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, * All associated iotlb entries have already been cleared, trigger the * unmaps. */ - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); =20 out: return iommu->dma_limit ? iommu->dma_limit->avail : 1; } =20 -static void s390_pci_batch_unmap(S390PCIIOMMU *iommu, uint64_t iova, +static void s390_pci_batch_unmap(S390PCIBusDevice *pbdev, uint64_t iova, uint64_t len) { uint64_t remain =3D len, start =3D iova, end =3D start + len - 1, mask= , size; @@ -687,7 +688,7 @@ static void s390_pci_batch_unmap(S390PCIIOMMU *iommu, u= int64_t iova, size =3D mask + 1; event.entry.iova =3D start; event.entry.addr_mask =3D mask; - memory_region_notify_iommu(&iommu->iommu_mr, 0, event); + memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); start +=3D size; remain -=3D size; } @@ -778,14 +779,14 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint= 8_t r2, uintptr_t ra) coalesce +=3D entry.len; } else if (coalesce > 0) { /* Unleash the coalesced unmap before processing a new map */ - s390_pci_batch_unmap(iommu, iova, coalesce); + s390_pci_batch_unmap(pbdev, iova, coalesce); coalesce =3D 0; } =20 start +=3D entry.len; while (entry.iova < start && entry.iova < end) { if (dma_avail > 0 || entry.perm =3D=3D IOMMU_NONE) { - dma_avail =3D s390_pci_update_iotlb(iommu, &entry); + dma_avail =3D s390_pci_update_iotlb(pbdev, &entry); entry.iova +=3D TARGET_PAGE_SIZE; entry.translated_addr +=3D TARGET_PAGE_SIZE; } else { @@ -801,7 +802,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) } if (coalesce) { /* Unleash the coalesced unmap before finishing rpcit */ - s390_pci_batch_unmap(iommu, iova, coalesce); + s390_pci_batch_unmap(pbdev, iova, coalesce); coalesce =3D 0; } if (again && dma_avail > 0) @@ -1031,7 +1032,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, iommu->g_iota =3D g_iota; =20 if (t) { - s390_pci_iommu_enable(iommu); + s390_pci_iommu_enable(pbdev); } else { s390_pci_iommu_direct_map_enable(iommu); } @@ -1039,9 +1040,10 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDe= vice *pbdev, ZpciFib fib, return 0; } =20 -void pci_dereg_ioat(S390PCIIOMMU *iommu) +void pci_dereg_ioat(S390PCIBusDevice *pbdev) { - s390_pci_iommu_disable(iommu); + S390PCIIOMMU *iommu =3D pbdev->iommu; + s390_pci_iommu_disable(pbdev); iommu->pba =3D 0; iommu->pal =3D 0; iommu->g_iota =3D 0; @@ -1265,7 +1267,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); } break; case ZPCI_MOD_FC_REREG_IOAT: @@ -1276,7 +1278,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { - pci_dereg_ioat(pbdev->iommu); + pci_dereg_ioat(pbdev); if (reg_ioat(env, pbdev, fib, ra)) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_INSUF_RES); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index eb15cb8b2d..a71f562dfc 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -276,7 +276,6 @@ struct S390PCIIOMMU { S390PCIBusDevice *pbdev; AddressSpace as; MemoryRegion mr; - IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; bool enabled; uint64_t g_iota; @@ -354,6 +353,7 @@ struct S390PCIBusDevice { S390MsixInfo msix; AdapterRoutes routes; S390PCIIOMMU *iommu; + IOMMUMemoryRegion iommu_mr; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; @@ -391,9 +391,9 @@ int pci_chsc_sei_nt2_have_event(void); void s390_pci_sclp_configure(SCCB *sccb); void s390_pci_sclp_deconfigure(SCCB *sccb); bool s390_pci_is_translation_enabled(uint64_t g_iota); -void s390_pci_iommu_enable(S390PCIIOMMU *iommu); +void s390_pci_iommu_enable(S390PCIBusDevice *pbdev); void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu); -void s390_pci_iommu_disable(S390PCIIOMMU *iommu); +void s390_pci_iommu_disable(S390PCIBusDevice *pbdev); void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid, uint64_t faddr, uint32_t e); uint16_t s390_guest_io_table_walk(uint64_t g_iota, hwaddr addr, diff --git a/include/hw/s390x/s390-pci-inst.h b/include/hw/s390x/s390-pci-i= nst.h index c782990e3b..38268c256e 100644 --- a/include/hw/s390x/s390-pci-inst.h +++ b/include/hw/s390x/s390-pci-inst.h @@ -99,7 +99,7 @@ typedef struct ZpciFib { } QEMU_PACKED ZpciFib; =20 int pci_dereg_irqs(S390PCIBusDevice *pbdev); -void pci_dereg_ioat(S390PCIIOMMU *iommu); +void pci_dereg_ioat(S390PCIBusDevice *pbdev); int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra); int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra); int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra= ); @@ -111,7 +111,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint6= 4_t fiba, uint8_t ar, int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t = ar, uintptr_t ra); void fmb_timer_free(S390PCIBusDevice *pbdev); -uint32_t s390_pci_update_iotlb(S390PCIIOMMU *iommu, S390IOTLBEntry *entry); +uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *en= try); =20 #define ZPCI_IO_BAR_MIN 0 #define ZPCI_IO_BAR_MAX 5 --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097053; cv=none; d=zohomail.com; s=zohoarc; b=H+w9CG7VDWteAMSfDwQw99Vhiz5yW8QaDFpUNCKECKGryNGcbOWl32Gf6atWXuabIs2Yxgb+ItZ87yDnedg9XJFF5J9eQ2n2kVgb/FOb63GCCvORgWjF+YorZqBEqP1WZnOToGxYArdxOeyyxiPCjp99sA3Tz2vVlLDKIgltiPg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097053; 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=iYqDdV/mpZmonzLAuQ89glCnUvTOWOki0Kn+55r82Bc=; b=ar8ZiuSf69oq5vQveJWYCvwsjrUqdQXlBheubDr3rbqS6fXNGBOxPQC8+JmcOA0EKfGd8X0N01daz621Nf+hCeFS8t1ubBiUNi0rwoM7K3jhYGRRYrI5EjdDfWGqknD2u8sxrwP6GGNvnwUzv7bVHrXZ1KH0lFJ4w2pODTiLKSs= 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 1775097053480983.719442512004; Wed, 1 Apr 2026 19:30:53 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pQ-0004hn-C2; Wed, 01 Apr 2026 22:30:40 -0400 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 1w87op-0004DG-D0; Wed, 01 Apr 2026 22:30:03 -0400 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 1w87om-0001kb-SM; Wed, 01 Apr 2026 22:30:03 -0400 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631HURcs2903666; Thu, 2 Apr 2026 02:29:57 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 4d66nntyej-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:56 +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 631Mjbaa021665; Thu, 2 Apr 2026 02:29:56 GMT Received: from smtprelay03.wdc07v.mail.ibm.com ([172.16.1.70]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6sasrgdk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:55 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay03.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TUbN28705426 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:30 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 58DD3580F4; Thu, 2 Apr 2026 02:29:54 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C42F3580F7; Thu, 2 Apr 2026 02:29:53 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:53 +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=iYqDdV/mpZmonzLAu Q89glCnUvTOWOki0Kn+55r82Bc=; b=YguJH+ubZ/b/OUUErwKJ8rg8gUklo4pp3 6WVljUGD44m2lvxEVTwjW8xr9WKulnldzbzdZfS+BSgLHOQWqWSnIpT+0MfMmVg8 Z7+kHHgpY2GXou91pfOGYv8ZmvGvi1inB1GFEwpllECU5Arg92mjkn/gJn0AHXkW LS5zLRgNErHzmXmIOENSyUo+vUquO27drpX3T43V1nWeEuElSyxrhZQ0OLjphlP4 xkF2ZV+E9hq4jurxoiZza1T+JZhieeAlex8SMty2Ds8roTIIwtP0iuWBH56NEkea r/jJUdQQ1K8gz3UPjSA7pGb39E4F1Y8olo4TDWdG3HcSp9dZqtD2A== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 04/15] s390x/pci: Move dm_mr from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:10 -0500 Message-Id: <20260402022921.298818-5-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: RuycDLoCWw2EmUJg1T-G4jL2WwGXGD-H X-Authority-Analysis: v=2.4 cv=KslAGGWN c=1 sm=1 tr=0 ts=69cdd4a4 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=jDWEBKAz6ZLYevfwb9sA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX7o+jL28rPusT a2viW9BlQlkrqCCQ4R+fOyWBZ1f/KK+l5EtqEb24etgvxfulNmUAWficiwS7J4VYnB3+0GdtPNZ LNOXLnxATm9K6510V1+vwCdzbTBZlWBTGYJhWEqA9fPYHx8P10AY+tW+sTxPsY72wTyWbnN69Ni wDhCekvQV0+Pld1WoWHZc/YAJFtQqXBzD+T8hzA7zPmRV++/Z4WNwoWPvDJ3SXhh4eNBUAuTnQu TlxKbe8KknAiBQP1Og4pPw3DvR2P3qWvzZvGqcYuEIMyUT9xR8O1bQK1QpoBim2wdC3PrZBahs2 H1cL/oaIpgsdimXdpUo8/bDa+zm2CFx3ZWlOmFX5MZj4zKmzYTCJHT8D7bRUj3rtSW9cygfrII1 Hic2Jvp2d8QeRrC+RcG2Wlab/NUchpEafcKhMo4/ROoYxD4cHLM3qxLyDfvY52LuQ4U1DRgABWW sEhEeDQ74xyUQmx/ZSw== X-Proofpoint-ORIG-GUID: RuycDLoCWw2EmUJg1T-G4jL2WwGXGD-H X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1011 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097055755158500 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 21 +++++++++++---------- hw/s390x/s390-pci-inst.c | 2 +- include/hw/s390x/s390-pci-bus.h | 4 ++-- 3 files changed, 14 insertions(+), 13 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 99d503e85e..117fd8136e 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -604,7 +604,7 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbde= v) curr =3D iommu->pba; end =3D iommu->pal; =20 - if (iommu->dm_mr) { + if (pbdev->dm_mr) { /* If direct mapping is used, there are no guest tables to replay = */ return; } @@ -778,8 +778,9 @@ void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) g_free(name); } =20 -void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu) +void s390_pci_iommu_direct_map_enable(S390PCIBusDevice *pbdev) { + S390PCIIOMMU *iommu =3D pbdev->iommu; MachineState *ms =3D MACHINE(qdev_get_machine()); S390CcwMachineState *s390ms =3D S390_CCW_MACHINE(ms); =20 @@ -791,13 +792,13 @@ void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *i= ommu) g_autofree char *name =3D g_strdup_printf("iommu-dm-s390-%04x", iommu->pbdev->uid); =20 - iommu->dm_mr =3D g_malloc0(sizeof(*iommu->dm_mr)); - memory_region_init_alias(iommu->dm_mr, OBJECT(&iommu->mr), name, + pbdev->dm_mr =3D g_malloc0(sizeof(*pbdev->dm_mr)); + memory_region_init_alias(pbdev->dm_mr, OBJECT(&iommu->mr), name, get_system_memory(), 0, s390_get_memory_limit(s390ms)); iommu->enabled =3D true; memory_region_add_subregion(&iommu->mr, iommu->pbdev->zpci_fn.sdma, - iommu->dm_mr); + pbdev->dm_mr); } =20 void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) @@ -805,11 +806,11 @@ void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) S390PCIIOMMU *iommu =3D pbdev->iommu; iommu->enabled =3D false; g_hash_table_remove_all(iommu->iotlb); - if (iommu->dm_mr) { - memory_region_del_subregion(&iommu->mr, iommu->dm_mr); - object_unparent(OBJECT(iommu->dm_mr)); - g_free(iommu->dm_mr); - iommu->dm_mr =3D NULL; + if (pbdev->dm_mr) { + memory_region_del_subregion(&iommu->mr, pbdev->dm_mr); + object_unparent(OBJECT(pbdev->dm_mr)); + g_free(pbdev->dm_mr); + pbdev->dm_mr =3D NULL; } else { memory_region_del_subregion(&iommu->mr, MEMORY_REGION(&pbdev->iommu_mr)); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index ed60e6100e..834a0aec95 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1034,7 +1034,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, if (t) { s390_pci_iommu_enable(pbdev); } else { - s390_pci_iommu_direct_map_enable(iommu); + s390_pci_iommu_direct_map_enable(pbdev); } =20 return 0; diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index a71f562dfc..f310672584 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -276,7 +276,6 @@ struct S390PCIIOMMU { S390PCIBusDevice *pbdev; AddressSpace as; MemoryRegion mr; - MemoryRegion *dm_mr; bool enabled; uint64_t g_iota; uint64_t pba; @@ -354,6 +353,7 @@ struct S390PCIBusDevice { AdapterRoutes routes; S390PCIIOMMU *iommu; IOMMUMemoryRegion iommu_mr; + MemoryRegion *dm_mr; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; @@ -392,7 +392,7 @@ void s390_pci_sclp_configure(SCCB *sccb); void s390_pci_sclp_deconfigure(SCCB *sccb); bool s390_pci_is_translation_enabled(uint64_t g_iota); void s390_pci_iommu_enable(S390PCIBusDevice *pbdev); -void s390_pci_iommu_direct_map_enable(S390PCIIOMMU *iommu); +void s390_pci_iommu_direct_map_enable(S390PCIBusDevice *pbdev); void s390_pci_iommu_disable(S390PCIBusDevice *pbdev); void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid, uint64_t faddr, uint32_t e); --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097102; cv=none; d=zohomail.com; s=zohoarc; b=cxFwR5aUwiej/7J4BRv7+dbzgNR1J1iLp3v1tcINKobmdbt4NrlRA1jxHUUpAuI8O57CLHOa8fZifLRW9kBWoGXkmxrp0gv08aERAUSxuEYGxwt1VWb9KQ+hjd3ZC4Aqg1dLFNAVxiZqtkHKhIhpEZdnVA/3af5kCVVxUf7I/i8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097102; 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=wxsDkoxMgmqPvy/TmrdPLZWJFFKC712PZ5X5MHIUL4o=; b=e5CcK1BlbKvpFPICFhduOr1/r8icZfy50ZjQnN0GNxULVUbitEou0/7zjTLmf+ylBj2XeAkY0JjtDFBMil4RQGDmmaq9hIlSGb8O1mxmLGoy4YCF8bHi9UX9znP29eQYUZ9ObDunQBMO4bzsTv2lNT/Ps6TBuA3ZrlXmrwkAGEY= 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 1775097102197601.3665304977188; Wed, 1 Apr 2026 19:31:42 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pG-0004Ym-Co; Wed, 01 Apr 2026 22:30:30 -0400 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 1w87oq-0004DW-Tt; Wed, 01 Apr 2026 22:30:05 -0400 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 1w87oo-0001ki-3S; Wed, 01 Apr 2026 22:30:04 -0400 Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631HE4Tl2879954; Thu, 2 Apr 2026 02:29:57 GMT Received: from ppma21.wdc07v.mail.ibm.com (5b.69.3da9.ip4.static.sl-reverse.com [169.61.105.91]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66q3axxq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:57 +0000 (GMT) Received: from pps.filterd (ppma21.wdc07v.mail.ibm.com [127.0.0.1]) by ppma21.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6320GNVr022271; Thu, 2 Apr 2026 02:29:56 GMT Received: from smtprelay04.wdc07v.mail.ibm.com ([172.16.1.71]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4d6tan8a7r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:56 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay04.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322Ttd854985014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:55 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 014CA580F4; Thu, 2 Apr 2026 02:29:55 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CE93580F6; Thu, 2 Apr 2026 02:29:54 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:54 +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=wxsDkoxMgmqPvy/Tm rdPLZWJFFKC712PZ5X5MHIUL4o=; b=WmuVyNnhBQ+FR3oMFwLTRMdOLRferB2Mo JsYmO2ydd+t3Q9R7M7VsJHrIhJRhCx/SPlIXm1txPt6Jv4gCA/JL6KwimGl8AksY n/LOQQUg8sl/sXWdt5rQxx/2c3EMUW5tfvza+XxMdjYg42ZmIT+0UVnoFeuWyB8C q49TD4SZkBWrV8vNyrnqdlfJW24+BcBdU5Veh/WoxJgZhCbqJCcIchJYpIq+ixYy hnnSxilKXWTRVSqLhm8GY0qR3t0wyS9n5JMfQKhm83iDAzla380FlNDn1LlgujT2 PGv1l/wBDTULUj9onV2w6bacShwT0wKvrMkerna5z/eVqtJhl4Jpw== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 05/15] s390x/pci: Move iotlb from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:11 -0500 Message-Id: <20260402022921.298818-6-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: DWhswv_bvJhkxzrkDy0MrduW2Z-ik0MK X-Authority-Analysis: v=2.4 cv=frzRpV4f c=1 sm=1 tr=0 ts=69cdd4a5 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=frKy0Gi9Nncm8Rs_nZ4A:9 X-Proofpoint-ORIG-GUID: DWhswv_bvJhkxzrkDy0MrduW2Z-ik0MK X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX5ncLkFSNcdA7 1HRVF6jP61D5L4/dzqr319xyAcbQPtsb6oxJXLEbPDK/wccYalrCupHktBV5vGdkldjWPMuy5Y/ p4PqdcgDqrbg0It8zG6E9f3D3kxt2OSKGI7nB2d00nBoxSyac3hrRCcn529EjJbDpKIipKCsaAy rbaXWH6EFZ+p0kiSSOP0nOKUBdTgcHPiIVu+Zi06GYtIhNp2MIS4xrDeFoP434LxnbfHlIqoUhE yA2F/MSb8iPXpQHvhy4T9WOHfr0UH9ye2/Q9C5lhuE3/g0Yrj3kJfj4oiu215MISGpRHHs35q2b f5N1dAdoRnTz1316+kOZiJ/iJKxYoC8jOPdlYKJ5DdP1G+TttjZ8rJhbvYMD8lfvIYmohip5laR OeAGZr/RKXoJjAakZmTOJWs8fdaarBswmsXjMMjxP4iZNQZO0YjqQGTSlhGIVt8obTgZkMY+QRu zsc6IyKYUgb2OFMUbWw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 priorityscore=1501 malwarescore=0 clxscore=1011 lowpriorityscore=0 bulkscore=0 adultscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097103899158500 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 10 +++++----- hw/s390x/s390-pci-inst.c | 6 +++--- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 117fd8136e..3f3123e62a 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -569,7 +569,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, goto err; } =20 - entry =3D g_hash_table_lookup(iommu->iotlb, &iova); + entry =3D g_hash_table_lookup(pbdev->iotlb, &iova); if (entry) { ret.iova =3D entry->iova; ret.translated_addr =3D entry->translated_addr; @@ -669,8 +669,6 @@ static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s= , PCIBus *bus, PCI_FUNC(devfn)); memory_region_init(&iommu->mr, OBJECT(iommu), mr_name, UINT64_MAX); address_space_init(&iommu->as, &iommu->mr, as_name); - iommu->iotlb =3D g_hash_table_new_full(g_int64_hash, g_int64_equal, - NULL, g_free); table->iommu[PCI_SLOT(devfn)] =3D iommu; =20 g_free(mr_name); @@ -805,7 +803,7 @@ void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) { S390PCIIOMMU *iommu =3D pbdev->iommu; iommu->enabled =3D false; - g_hash_table_remove_all(iommu->iotlb); + g_hash_table_remove_all(pbdev->iotlb); if (pbdev->dm_mr) { memory_region_del_subregion(&iommu->mr, pbdev->dm_mr); object_unparent(OBJECT(pbdev->dm_mr)); @@ -829,7 +827,6 @@ static void s390_pci_iommu_free(S390pciState *s, PCIBus= *bus, int32_t devfn) } =20 table->iommu[PCI_SLOT(devfn)] =3D NULL; - g_hash_table_destroy(iommu->iotlb); /* * An attached PCI device may have memory listeners, eg. VFIO PCI. * The associated subregion will already have been unmapped in @@ -1251,6 +1248,8 @@ static void s390_pcihost_plug(HotplugHandler *hotplug= _dev, DeviceState *dev, /* the allocated idx is actually getting used */ s->next_idx =3D (pbdev->idx + 1) & FH_MASK_INDEX; pbdev->fh =3D pbdev->idx; + pbdev->iotlb =3D g_hash_table_new_full(g_int64_hash, g_int64_equal, + NULL, g_free); QTAILQ_INSERT_TAIL(&s->zpci_devs, pbdev, link); g_hash_table_insert(s->zpci_table, &pbdev->idx, pbdev); } else { @@ -1293,6 +1292,7 @@ static void s390_pcihost_unplug(HotplugHandler *hotpl= ug_dev, DeviceState *dev, if (pbdev->iommu && pbdev->iommu->dma_limit) { s390_pci_end_dma_count(s, pbdev->iommu->dma_limit); } + g_hash_table_destroy(pbdev->iotlb); qdev_unrealize(dev); } } diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 834a0aec95..8349b44dd4 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -617,7 +617,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *entry) { S390PCIIOMMU *iommu =3D pbdev->iommu; - S390IOTLBEntry *cache =3D g_hash_table_lookup(iommu->iotlb, &entry->io= va); + S390IOTLBEntry *cache =3D g_hash_table_lookup(pbdev->iotlb, &entry->io= va); IOMMUTLBEvent event =3D { .type =3D entry->perm ? IOMMU_NOTIFIER_MAP : IOMMU_NOTIFIER_UNMAP, .entry =3D { @@ -633,7 +633,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, if (!cache) { goto out; } - g_hash_table_remove(iommu->iotlb, &entry->iova); + g_hash_table_remove(pbdev->iotlb, &entry->iova); inc_dma_avail(iommu); /* Don't notify the iommu yet, maybe we can bundle contiguous unma= ps */ goto out; @@ -656,7 +656,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, cache->translated_addr =3D entry->translated_addr; cache->len =3D TARGET_PAGE_SIZE; cache->perm =3D entry->perm; - g_hash_table_replace(iommu->iotlb, &cache->iova, cache); + g_hash_table_replace(pbdev->iotlb, &cache->iova, cache); dec_dma_avail(iommu); } =20 diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index f310672584..d9bafd6859 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -281,7 +281,6 @@ struct S390PCIIOMMU { uint64_t pba; uint64_t pal; uint64_t max_dma_limit; - GHashTable *iotlb; S390PCIDMACount *dma_limit; }; =20 @@ -354,6 +353,7 @@ struct S390PCIBusDevice { S390PCIIOMMU *iommu; IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; + GHashTable *iotlb; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097053; cv=none; d=zohomail.com; s=zohoarc; b=Wojdi9zUTAtgIcapFERIQdNMi+svA/A7+1SwSARrCGunkKNQzvhMp5r1Jse7/9zfnYt8zpJCGS7oMuwv4+CFGl7z18cfbK8Z7Ps1NOXwMFVXlF7CWlS89mLAGX/jZoW1AQuhWbfxQNiEhf+1GEu/IRipw+hLk2cDs9wOzCxyrts= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097053; 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=W0304v40uMg9cvp2E1tL4dSTvNqIXAhMIqxF4i8Fq+s=; b=AKDE6Zy0RUlfdBXr2smb7AvSYR1pD2lPZWr943IQWnBC4EOFZ87OpqDIDgU8iIzV5HWJSeEFLmzoU4B685qDgEQ1+tbLRDJqX1Pl2mBmNO8j6kx8vhSexRKxtyYsGnU3kVEkFq5WuAdhHb3H19ukN5poZzIUhqy4EsNfjb+QiLo= 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 1775097053130388.732185960632; Wed, 1 Apr 2026 19:30:53 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pD-0004UJ-Vy; Wed, 01 Apr 2026 22:30:28 -0400 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 1w87op-0004DH-Hk; Wed, 01 Apr 2026 22:30:03 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87on-0001kq-Kd; Wed, 01 Apr 2026 22:30:03 -0400 Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631KC0Nu4107161; Thu, 2 Apr 2026 02:29:58 GMT Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d64dgtajr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:58 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321ea0c030955; Thu, 2 Apr 2026 02:29:57 GMT Received: from smtprelay04.wdc07v.mail.ibm.com ([172.16.1.71]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6uhk05hw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:57 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay04.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TtYY32309768 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:55 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9DF73580F4; Thu, 2 Apr 2026 02:29:55 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 152A6580F6; Thu, 2 Apr 2026 02:29:55 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:55 +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=W0304v40uMg9cvp2E 1tL4dSTvNqIXAhMIqxF4i8Fq+s=; b=I5G5G6CFG+y+L1WNlTnzq4oJ2d7Wa3fIr +YFtHyMefA0k1U4HbL37FrFf6ipzI83Ltr/MnAIiXRuQ5+hJh3hK/g9ppODgHMQW vpUoFZSBvAanzqBOPP1TjBV7N3LrcigxwApBo99Ie9CHX14I+8BwQbe9C0W4TaIk YzH+NLVL1OWXXXJAstHRJOnlrtexZrr702qIwXfmHIkgPFiKS3cS7DBu4YWv3iOB A7lsSp0Q7hEm6S7L6mmcV5D3SmpK6yOHiEG9iRgR79GE7AcvQB234Zz+1A1xqDun HYhw4FAuTgyjC7BWXT7yUv48yZjwdKDY4jnawbG77f1vljmKwGSLA== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 06/15] s390x/pci: Remove a ptr to S390PCIBusDevice from S390PCIIOMMU Date: Wed, 1 Apr 2026 21:29:12 -0500 Message-Id: <20260402022921.298818-7-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX4xuM1kw4TAcw U45OiW1g4Zlxe6nMetJhxQLdrLyLKb29lKMPWC98mY8WCYYy+vA18g5O7TKJxGitNl0JAGAIWHR 7ok4daBTwY2S4Q2//RmXQcotHblI8prfT0rdiJ11EIROwjyHysW9Cf3JcPX71o5O/+3oC3gG4Ut k9a2t2kHM8merzj6pWPtyJRsL17i10HGvS39HbPBdiJgrjSBu1Lsl6+kpDRpJn2ktE+O6STakO+ FdHvICFxYgvOzdPw+sGen2LRlG2cvvOtUPv927KYgDLmQwYRHHq/SGVIcoQw6GDn3gZerkCQQ0F WH+4Pn1lXjgdSOvefaJkvyAsPJ3uJPAEl4sdQFfJdcuoiWcZCXnylfrIbnaZh6JZwYSM04s0PIn L1lqjSWn/YlPl3r73uID0BpeFbzsqc7R+U1oJIN34CXSRoSvBWZlTLmUvQkEnPdyNgTolrpI/jC 35Z1y+dYnZDl9qNjilw== X-Authority-Analysis: v=2.4 cv=QKZlhwLL c=1 sm=1 tr=0 ts=69cdd4a6 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=yINFAIt2aqTEABBYJGoA:9 X-Proofpoint-GUID: 4OsIh1I2fb5h98jDnNJMo0WeibUnNbMd X-Proofpoint-ORIG-GUID: 4OsIh1I2fb5h98jDnNJMo0WeibUnNbMd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 clxscore=1011 spamscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097055802158500 Content-Type: text/plain; charset="utf-8" This pointer is no longer used, after fields were moved from S390PCIIOMMU to S390PCIBusDevice. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 15 +++++++-------- include/hw/s390x/s390-pci-bus.h | 1 - 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 3f3123e62a..83e9ca99f3 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -551,7 +551,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, .perm =3D IOMMU_NONE, }; =20 - switch (iommu->pbdev->state) { + switch (pbdev->state) { case ZPCI_FS_ENABLED: case ZPCI_FS_BLOCKED: if (!iommu->enabled) { @@ -586,9 +586,9 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, } err: if (error) { - iommu->pbdev->state =3D ZPCI_FS_ERROR; - s390_pci_generate_error_event(error, iommu->pbdev->fh, - iommu->pbdev->fid, addr, 0); + pbdev->state =3D ZPCI_FS_ERROR; + s390_pci_generate_error_event(error, pbdev->fh, + pbdev->fid, addr, 0); } return ret; } @@ -767,7 +767,7 @@ void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) * so the smallest IOMMU region we can define runs from 0 to the end * of the PCI address space. */ - char *name =3D g_strdup_printf("iommu-s390-%04x", iommu->pbdev->uid); + char *name =3D g_strdup_printf("iommu-s390-%04x", pbdev->uid); memory_region_init_iommu(&pbdev->iommu_mr, sizeof(pbdev->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu-= >mr), name, iommu->pal + 1); @@ -788,14 +788,14 @@ void s390_pci_iommu_direct_map_enable(S390PCIBusDevic= e *pbdev) * IOVA X + SDMA. VFIO will handle pinning via its memory listener. */ g_autofree char *name =3D g_strdup_printf("iommu-dm-s390-%04x", - iommu->pbdev->uid); + pbdev->uid); =20 pbdev->dm_mr =3D g_malloc0(sizeof(*pbdev->dm_mr)); memory_region_init_alias(pbdev->dm_mr, OBJECT(&iommu->mr), name, get_system_memory(), 0, s390_get_memory_limit(s390ms)); iommu->enabled =3D true; - memory_region_add_subregion(&iommu->mr, iommu->pbdev->zpci_fn.sdma, + memory_region_add_subregion(&iommu->mr, pbdev->zpci_fn.sdma, pbdev->dm_mr); } =20 @@ -1187,7 +1187,6 @@ static void s390_pcihost_plug(HotplugHandler *hotplug= _dev, DeviceState *dev, =20 pbdev->pdev =3D pdev; pbdev->iommu =3D s390_pci_get_iommu(s, pci_get_bus(pdev), pdev->de= vfn); - pbdev->iommu->pbdev =3D pbdev; pbdev->state =3D ZPCI_FS_DISABLED; set_pbdev_info(pbdev); =20 diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index d9bafd6859..fcaaf19512 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -273,7 +273,6 @@ typedef struct S390PCIDMACount { =20 struct S390PCIIOMMU { Object parent_obj; - S390PCIBusDevice *pbdev; AddressSpace as; MemoryRegion mr; bool enabled; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097151; cv=none; d=zohomail.com; s=zohoarc; b=XlLRkLiDEnxSx1OZx0FKSi5T2h7p7U/aTmAwj6PqOtiCs3aV/yAinoD66XW3OQMj2vjE6XlTfOcG927W+fiMw1MkV74njmmXTP8xWzxJ0EUsf0LWgt9Nzk2EHJlYNo96G6Ynevpuqdzv1lNadytk3eUZx6V+0bFAEnLSXD9tZF4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097151; 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=G+mRZ7G+wFrg4KfVX4SGQUu69NmYqkiVfXmLRl4uDEw=; b=VqI2BAFokqka0cLJP84vKwR8rSYvNzfNf/31xKS23DpVKaYw+hWgEwObDpBNlM9e+e15PwA2POy3p04gztzGXRpOB82FDzI+9QkLAW/0QBTLCPnuR9mHLbm2Z9+SzCruoefUYk57Au0bnFNo4TGBfwCpedREUTl7gbXNNDhtsxw= 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 17750971512091010.9253466990815; Wed, 1 Apr 2026 19:32:31 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pW-0004ln-LC; Wed, 01 Apr 2026 22:30:46 -0400 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 1w87oq-0004De-W5; Wed, 01 Apr 2026 22:30:05 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87oo-0001lR-S2; Wed, 01 Apr 2026 22:30:04 -0400 Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631LKewY330917; Thu, 2 Apr 2026 02:29:59 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 4d64dgtajs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:58 +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 631Mjbab021665; Thu, 2 Apr 2026 02:29:58 GMT Received: from smtprelay05.wdc07v.mail.ibm.com ([172.16.1.72]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6sasrgdq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:57 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TubQ17367740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:56 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 46040580F4; Thu, 2 Apr 2026 02:29:56 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B13EA580F6; Thu, 2 Apr 2026 02:29:55 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:55 +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=G+mRZ7G+wFrg4KfVX 4SGQUu69NmYqkiVfXmLRl4uDEw=; b=hln5y3Zl0U1LuLxc7TueZcAYUWNIMG8xk wHAZS28vY83e3sKpkgYUx9l0QEkkFKsxUB0Xrr93GWKoFSuyPvVOtJGPdASQ+xGo JyQRaCbHmWmZnrcVOlhRZNIJ58FlYpzGwnyQGNc/2785G7x4XQ63yyfhWWnLz8Zo m9l3aDkOGtlvct1KC7BfC7yZSJzEcVcHDdLmuZEbkXUQT82+OnXSic5J4fDkUJ7T Elxnw4/hbUNIwcWSaTi+xxf82SF49XWvuV7gpb22c0uFHZtZArB+1LECS1f9ENXB y0XSYSiI0OMcqICJQ092PrVZNjOgRe576JZ54HQWb4FXJjpC+PRxw== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 07/15] s390x/pci: Move/rename enabled from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:13 -0500 Message-Id: <20260402022921.298818-8-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX+09NyZINEwI4 yR4GPXmMfLfp3QHnltrFvIe2/uzz30Vzh/Ic+vx20KIBjidnCkPvngoQZMqn/Jipe61Fe4zVtJA kY3tWoVOy7rl8DNy1wEwZ1PjKS3mVRYqDDcv+2TL7AKo8MW1QrldN3j2J1JrcR769IcENSPODQ9 mopubQ8j36d90ZK/09HsM4RkAOAC/Hy4QUSGNkCWCNTOmVGuxiX/Z4GJPdno/VdnyB5/DI0dpKG H2ZhYDZprFUeC/MHNrk8w89BRQTZ4FdkjecFRA4VXxmPrLacll/wENDv3DT5mlpRqRZNIXU9tRg YyF2NAPRokhZE0LXyw3y8TSPoXFotsEMP+PLkULCAXnUb4yfNuPpFtgioFa9arH7oAxX+d94JSJ OAJk0vUUHgo75dVl5XdNYxL7XcaEaELckXsAW7Q1daqUWqcm6unmCvxVO2v2Bt6oX7f/IeMe7In 7u5cSHk3sIeYWTMa1UA== X-Authority-Analysis: v=2.4 cv=QKZlhwLL c=1 sm=1 tr=0 ts=69cdd4a6 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=i0DCopz73FH-yKe2uwYA:9 X-Proofpoint-GUID: --D4BzZmrQcKj0KxfOxBmoVFJ_h7ofUl X-Proofpoint-ORIG-GUID: --D4BzZmrQcKj0KxfOxBmoVFJ_h7ofUl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015 spamscore=0 bulkscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097151767154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. This also allows to save/restore this field during migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 14 +++++++------- hw/s390x/s390-pci-inst.c | 8 ++++---- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 83e9ca99f3..27ba3c801c 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -205,7 +205,7 @@ void s390_pci_sclp_deconfigure(SCCB *sccb) } else if (pbdev->summary_ind) { pci_dereg_irqs(pbdev); } - if (pbdev->iommu->enabled) { + if (pbdev->iommu_enabled) { pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; @@ -554,7 +554,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, switch (pbdev->state) { case ZPCI_FS_ENABLED: case ZPCI_FS_BLOCKED: - if (!iommu->enabled) { + if (!pbdev->iommu_enabled) { return ret; } break; @@ -771,7 +771,7 @@ void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) memory_region_init_iommu(&pbdev->iommu_mr, sizeof(pbdev->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu-= >mr), name, iommu->pal + 1); - iommu->enabled =3D true; + pbdev->iommu_enabled =3D true; memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&pbdev->iommu= _mr)); g_free(name); } @@ -794,7 +794,7 @@ void s390_pci_iommu_direct_map_enable(S390PCIBusDevice = *pbdev) memory_region_init_alias(pbdev->dm_mr, OBJECT(&iommu->mr), name, get_system_memory(), 0, s390_get_memory_limit(s390ms)); - iommu->enabled =3D true; + pbdev->iommu_enabled =3D true; memory_region_add_subregion(&iommu->mr, pbdev->zpci_fn.sdma, pbdev->dm_mr); } @@ -802,7 +802,7 @@ void s390_pci_iommu_direct_map_enable(S390PCIBusDevice = *pbdev) void s390_pci_iommu_disable(S390PCIBusDevice *pbdev) { S390PCIIOMMU *iommu =3D pbdev->iommu; - iommu->enabled =3D false; + pbdev->iommu_enabled =3D false; g_hash_table_remove_all(pbdev->iotlb); if (pbdev->dm_mr) { memory_region_del_subregion(&iommu->mr, pbdev->dm_mr); @@ -1411,7 +1411,7 @@ static void s390_pcihost_reset(DeviceState *dev) } else if (pbdev->summary_ind) { pci_dereg_irqs(pbdev); } - if (pbdev->iommu->enabled) { + if (pbdev->iommu_enabled) { pci_dereg_ioat(pbdev); } pbdev->state =3D ZPCI_FS_STANDBY; @@ -1552,7 +1552,7 @@ static void s390_pci_device_reset(DeviceState *dev) } else if (pbdev->summary_ind) { pci_dereg_irqs(pbdev); } - if (pbdev->iommu->enabled) { + if (pbdev->iommu_enabled) { pci_dereg_ioat(pbdev); } =20 diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 8349b44dd4..4458eae681 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1251,7 +1251,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, if (dmaas !=3D 0) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL); - } else if (pbdev->iommu->enabled) { + } else if (pbdev->iommu_enabled) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else if (reg_ioat(env, pbdev, fib, ra)) { @@ -1263,7 +1263,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, if (dmaas !=3D 0) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL); - } else if (!pbdev->iommu->enabled) { + } else if (!pbdev->iommu_enabled) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { @@ -1274,7 +1274,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, if (dmaas !=3D 0) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_DMAAS_INVAL); - } else if (!pbdev->iommu->enabled) { + } else if (!pbdev->iommu_enabled) { cc =3D ZPCI_PCI_LS_ERR; s390_set_status_code(env, r1, ZPCI_MOD_ST_SEQUENCE); } else { @@ -1404,7 +1404,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, ui= nt64_t fiba, uint8_t ar, /* fallthrough */ case ZPCI_FS_ENABLED: fib.fc |=3D 0x80; - if (pbdev->iommu->enabled) { + if (pbdev->iommu_enabled) { fib.fc |=3D 0x10; } if (!(fh & FH_MASK_ENABLE)) { diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index fcaaf19512..24f6e60786 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -275,7 +275,6 @@ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; MemoryRegion mr; - bool enabled; uint64_t g_iota; uint64_t pba; uint64_t pal; @@ -350,6 +349,7 @@ struct S390PCIBusDevice { S390MsixInfo msix; AdapterRoutes routes; S390PCIIOMMU *iommu; + bool iommu_enabled; IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; GHashTable *iotlb; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097132; cv=none; d=zohomail.com; s=zohoarc; b=en//sLGVzurZBtpHmRFWeovOCxqwlmclT2mL9q7yIAMifQAiw81RqhITqshbWQp0uAfS1lxCHL1hg7K4GbhDvMiT2eWAwGebRQaz/9c77R8tQiT4Fcw1FMtKDVgK0SI3sWPqTusR5vEQgPzUe16NsbG2MGGjWNfp54yhvBdGvGc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097132; 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=Gt8DeEfDIwQ0aIYf9Nv06cYAJNcblIALhEev2YCEqVo=; b=hTy4n1yeDwevfToJ2iQ4Y4iLSo7iTh4hctGBB4fApRMdozvR5pvAXx1QPp/8M/w/GclL2rLot8VBHfcRLllTwUxRCARQ5RvfAjPyvEDZPbQCNpaqwHe8U9Eq5cUaOBM/eISlO11S4jBCVHlSGQD5BaB4K8jCu4mq4JOjupvIhms= 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 1775097132620804.7070405712489; Wed, 1 Apr 2026 19:32:12 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pP-0004g8-Sd; Wed, 01 Apr 2026 22:30:39 -0400 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 1w87or-0004Dt-Hm; Wed, 01 Apr 2026 22:30:06 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87op-0001mL-JE; Wed, 01 Apr 2026 22:30:05 -0400 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631Ik9883661500; Thu, 2 Apr 2026 02:29:59 GMT Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d65dcj6d1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:59 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321i8Gf031007; Thu, 2 Apr 2026 02:29:58 GMT Received: from smtprelay05.wdc07v.mail.ibm.com ([172.16.1.72]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6uhk05hx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:58 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TuWc17367744 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:57 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E21E3580F4; Thu, 2 Apr 2026 02:29:56 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 59C5A580F6; Thu, 2 Apr 2026 02:29:56 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:56 +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=Gt8DeEfDIwQ0aIYf9 Nv06cYAJNcblIALhEev2YCEqVo=; b=Wei/QR5gv2qlzxGH2P+GLGPQzvfK48wuk 3FJm0rCqh3oyEyqHq4BikoN4bzu+vIOwvt4K7wx/Xok3XVAIaiK/zmxeZMCZn8sj kdyNx43F/R+FThxkq2DatJr7U/NAIkmwKbjTWkRzLBEWBE42heVJdKGIS435dbFP Yk6z0OCHlaY3nVhed8JmCEsh03n15bMR94ZK3sWt5i8KZ9TxGmNcUqOOGuXcIvUY fRhcbkw3lBb6FyTdPW3WIfeIbgMOnMuO6lL013WEjPG+maxNLSFEz2xF39Y/XKGW YYtIBMuSnlZavHXEorX1AI6tiBKoHeeq+AJ6uh01PeCp2kULAa5Fg== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 08/15] s390x/pci: Move dma_limit from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:14 -0500 Message-Id: <20260402022921.298818-9-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=RsjI7SmK c=1 sm=1 tr=0 ts=69cdd4a7 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=NXusJeJlOfVlo0NZOjUA:9 X-Proofpoint-GUID: Cgg99t6P9cVcbu1MPGNq3SrU7o2ph2FN X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfXz+DFBguv8VhU wCE3/OcIfkB7YsHfKDnBnLGsAOBd+2H5UvOTf3J2S2OsO/rFGvOf7eN9IalES5/fZrsUH1lsCcm 7C/1FATtBHiL3DxrogxHfKoagMCgsmq4yIo7uwBiy3Ntgei8fc8gcZxUDN5DZu4lzt3xvBc7Q+8 Nl8vUk+BG5qCJf9c6lW5pTie+ziOXlB8IvvQ6KfCsDOXX9UCrgvjZPPDqr7WHwvnr4SXigTfKve CyVqdGS2htw7zrggTdGzWWj5VutHBV0KGozY6jY0LxuSZrP/hCqE5tlvWgsXKkUAi44lCKLTIlu +xUirYiomqb2muQTRlgBtuvD4yms3SUGe+N+SHPZYB4K2pLrNykdk6SCD55x6WYKJcbtLo3+OXV 448/li9ha0jmo590pGVeId7jo/oNY1GH6S+K9ldU1MZ5w/de4Wv88UAFR7JNxfxy24Ee6G5hCwd WmSAkBM2ayOQg06k/Cg== X-Proofpoint-ORIG-GUID: Cgg99t6P9cVcbu1MPGNq3SrU7o2ph2FN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097133501154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 10 +++++----- hw/s390x/s390-pci-inst.c | 23 +++++++++++------------ include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 17 insertions(+), 18 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 27ba3c801c..4a0b31b98b 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -609,8 +609,8 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbde= v) return; } =20 - if (iommu->dma_limit) { - dma_avail =3D iommu->dma_limit->avail; + if (pbdev->dma_limit) { + dma_avail =3D pbdev->dma_limit->avail; } else { dma_avail =3D 1; } @@ -1210,7 +1210,7 @@ static void s390_pcihost_plug(HotplugHandler *hotplug= _dev, DeviceState *dev, pbdev->forwarding_assist =3D false; } } - pbdev->iommu->dma_limit =3D s390_pci_start_dma_count(s, pbdev); + pbdev->dma_limit =3D s390_pci_start_dma_count(s, pbdev); /* Fill in CLP information passed via the vfio region */ s390_pci_get_clp_info(pbdev); if (!pbdev->interp) { @@ -1288,8 +1288,8 @@ static void s390_pcihost_unplug(HotplugHandler *hotpl= ug_dev, DeviceState *dev, pbdev->fid =3D 0; QTAILQ_REMOVE(&s->zpci_devs, pbdev, link); g_hash_table_remove(s->zpci_table, &pbdev->idx); - if (pbdev->iommu && pbdev->iommu->dma_limit) { - s390_pci_end_dma_count(s, pbdev->iommu->dma_limit); + if (pbdev->dma_limit) { + s390_pci_end_dma_count(s, pbdev->dma_limit); } g_hash_table_destroy(pbdev->iotlb); qdev_unrealize(dev); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 4458eae681..ac4e7f412d 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -28,17 +28,17 @@ =20 #include "trace.h" =20 -static inline void inc_dma_avail(S390PCIIOMMU *iommu) +static inline void inc_dma_avail(S390PCIBusDevice *pbdev) { - if (iommu->dma_limit) { - iommu->dma_limit->avail++; + if (pbdev->dma_limit) { + pbdev->dma_limit->avail++; } } =20 -static inline void dec_dma_avail(S390PCIIOMMU *iommu) +static inline void dec_dma_avail(S390PCIBusDevice *pbdev) { - if (iommu->dma_limit) { - iommu->dma_limit->avail--; + if (pbdev->dma_limit) { + pbdev->dma_limit->avail--; } } =20 @@ -616,7 +616,6 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8= _t r2, uintptr_t ra) uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, S390IOTLBEntry *entry) { - S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *cache =3D g_hash_table_lookup(pbdev->iotlb, &entry->io= va); IOMMUTLBEvent event =3D { .type =3D entry->perm ? IOMMU_NOTIFIER_MAP : IOMMU_NOTIFIER_UNMAP, @@ -634,7 +633,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, goto out; } g_hash_table_remove(pbdev->iotlb, &entry->iova); - inc_dma_avail(iommu); + inc_dma_avail(pbdev); /* Don't notify the iommu yet, maybe we can bundle contiguous unma= ps */ goto out; } else { @@ -657,7 +656,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, cache->len =3D TARGET_PAGE_SIZE; cache->perm =3D entry->perm; g_hash_table_replace(pbdev->iotlb, &cache->iova, cache); - dec_dma_avail(iommu); + dec_dma_avail(pbdev); } =20 /* @@ -667,7 +666,7 @@ uint32_t s390_pci_update_iotlb(S390PCIBusDevice *pbdev, memory_region_notify_iommu(&pbdev->iommu_mr, 0, event); =20 out: - return iommu->dma_limit ? iommu->dma_limit->avail : 1; + return pbdev->dma_limit ? pbdev->dma_limit->avail : 1; } =20 static void s390_pci_batch_unmap(S390PCIBusDevice *pbdev, uint64_t iova, @@ -744,8 +743,8 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) } =20 iommu =3D pbdev->iommu; - if (iommu->dma_limit) { - dma_avail =3D iommu->dma_limit->avail; + if (pbdev->dma_limit) { + dma_avail =3D pbdev->dma_limit->avail; } else { dma_avail =3D 1; } diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 24f6e60786..126a50c98b 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -279,7 +279,6 @@ struct S390PCIIOMMU { uint64_t pba; uint64_t pal; uint64_t max_dma_limit; - S390PCIDMACount *dma_limit; }; =20 typedef struct S390PCIIOMMUTable { @@ -353,6 +352,7 @@ struct S390PCIBusDevice { IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; GHashTable *iotlb; + S390PCIDMACount *dma_limit; MemoryRegion msix_notify_mr; IndAddr *summary_ind; IndAddr *indicator; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097082; cv=none; d=zohomail.com; s=zohoarc; b=kovGAo0c6cAAtFNWqPLKG7gDWRAOFIQ3qN/CLl0ho2MS1W7kB37bhILKeEAKPFasEnoVNUHNPOxQEn+NCV0Xx0uUd2vlbNzRQfT3ndzhmSMdwPXfyZNdp2rZBLEGatABpIugtaNKNOVQ+RrWlH0u5nMdpTVHPWPC/SmT1Ly5ofA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097082; 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=9O2dwSdCOQfpP/HIU7CH820qFNISS0WlI/zjHFURx38=; b=LuYHLJ7EuSuVTvmyz/Udcd8abCVR+PxV0sokYkEc4thpAJCH69IHiRRbdOHxHK5xLieOyxzgVJabf8nmV+c5BZUW6gORV3wmVe85qARUkAjUrbpLf1z8+5XNpyRTegGmT2prLiuNclGi4f+gcEGuO/3C+1NeozMjNQv6wLRzxiM= 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 1775097081996746.5948093844366; Wed, 1 Apr 2026 19:31:21 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pF-0004YB-OV; Wed, 01 Apr 2026 22:30:29 -0400 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 1w87or-0004Ds-HJ; Wed, 01 Apr 2026 22:30:06 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87op-0001mg-Q7; Wed, 01 Apr 2026 22:30:05 -0400 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631IfKqc3065805; Thu, 2 Apr 2026 02:29:59 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d65dcj6d4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:59 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321EPoh013922; Thu, 2 Apr 2026 02:29:59 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([172.16.1.73]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4d6ttkr8eb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:59 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TvV256623598 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:57 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 88EC5580F4; Thu, 2 Apr 2026 02:29:57 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 01B3A580F6; Thu, 2 Apr 2026 02:29:57 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:56 +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=9O2dwSdCOQfpP/HIU 7CH820qFNISS0WlI/zjHFURx38=; b=iXmb37Wg4K1XvBZUMspqDFyTQo/SZHUUz 9jeVTidFCCxYaW4Ye9lWbhL1JfKTJeSMr2enzfH73HGHeA57ayccpU6s7OaBIb+J H7DAncXyjZDI4gfZ0oLxH/LXHh/NbGYGuKcFjh320ZCIx2qumEW5Iyfm6rCcFbaT VLGMeMgrULxNP4fSNUbMcQncVPTfbWA1mEppoM0c91hDL1xU6m6Es2iYYX65SW7X gZVh52ZQcAdkk0Kaj/x+bHhRenHZNHgqNGQZ/U8os/9PJWc2zK53dm2SnzDGh8bp YO7hWRruxE6BxuoajlWLSRe29f6B9JRhu9Hx7fKTv7A+wjPPpVRAg== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 09/15] s390x/pci: Move g_iota from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:15 -0500 Message-Id: <20260402022921.298818-10-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=RsjI7SmK c=1 sm=1 tr=0 ts=69cdd4a7 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=FDQAEqGjsTQLeQouP1gA:9 X-Proofpoint-GUID: Lo5hnMoeq4bZtqKhzvWkS5Ll7SYtyEoi X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX27ZhpbLpY2ql uGpZlh/yFmmlNeYBxij7VaRCSV7XZ+3/LeC9B0tCaMycZtTa/ZLWP9Uu58MlL+t0FfMGk1eiCGR BnbCUeSzoDztxJN8PdN9Y4mfhU47nX6XsvVpCeCvx3okECXqlykPRKkCa21NJ50fZkhstGT6mND 7Q8EX6H7HnkzfIWL6ppSIr79DUAGNyOIUMkxUQmGD3+T8aZKi2ThpcUCYS27OQjacTyu5RZQdnK rcizL1QPj123Kb93w3rlOP0x+HWOGZTf6Ajnt84v8nMiXUIL6XmWeTWVzI3hVYxOdF3wgytQyiK SAMgfrxLqxvot0MeBAN6S5SCQUGEujJBRv5HRO6UkrGwPP0QPTsJXw1UgYCHA8lD7YnpjFeg8VL J2LRG3DngRZsnZbB0CTCL0GY5saH9FlRmE5AnvcopZT8fVapx4MoeSgstbBI/wbB9f/l6qFj/Dh Qarsc26jXMxDLsnixDw== X-Proofpoint-ORIG-GUID: Lo5hnMoeq4bZtqKhzvWkS5Ll7SYtyEoi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097084961154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. This also allows to save/restore this field during migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 2 +- hw/s390x/s390-pci-inst.c | 10 +++++----- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 4a0b31b98b..b784196c9e 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -616,7 +616,7 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbde= v) } =20 while (curr < end) { - error =3D s390_guest_io_table_walk(iommu->g_iota, curr, &entry); + error =3D s390_guest_io_table_walk(pbdev->g_iota, curr, &entry); if (error) { error_report("Failure to walk table during iommu remap"); return; diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index ac4e7f412d..f4ec299614 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -748,7 +748,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) } else { dma_avail =3D 1; } - if (!iommu->g_iota) { + if (!pbdev->g_iota) { error =3D ERR_EVENT_INVALAS; goto err; } @@ -762,7 +762,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) start =3D sstart; again =3D false; while (start < end) { - error =3D s390_guest_io_table_walk(iommu->g_iota, start, &entry); + error =3D s390_guest_io_table_walk(pbdev->g_iota, start, &entry); if (error) { break; } @@ -1028,7 +1028,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, =20 iommu->pba =3D pba; iommu->pal =3D pal; - iommu->g_iota =3D g_iota; + pbdev->g_iota =3D g_iota; =20 if (t) { s390_pci_iommu_enable(pbdev); @@ -1045,7 +1045,7 @@ void pci_dereg_ioat(S390PCIBusDevice *pbdev) s390_pci_iommu_disable(pbdev); iommu->pba =3D 0; iommu->pal =3D 0; - iommu->g_iota =3D 0; + pbdev->g_iota =3D 0; } =20 void fmb_timer_free(S390PCIBusDevice *pbdev) @@ -1418,7 +1418,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, ui= nt64_t fiba, uint8_t ar, =20 stq_be_p(&fib.pba, pbdev->iommu->pba); stq_be_p(&fib.pal, pbdev->iommu->pal); - stq_be_p(&fib.iota, pbdev->iommu->g_iota); + stq_be_p(&fib.iota, pbdev->g_iota); stq_be_p(&fib.aibv, pbdev->routes.adapter.ind_addr); stq_be_p(&fib.aisb, pbdev->routes.adapter.summary_addr); stq_be_p(&fib.fmb_addr, pbdev->fmb_addr); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 126a50c98b..a7d1f1ade2 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -275,7 +275,6 @@ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; MemoryRegion mr; - uint64_t g_iota; uint64_t pba; uint64_t pal; uint64_t max_dma_limit; @@ -352,6 +351,7 @@ struct S390PCIBusDevice { IOMMUMemoryRegion iommu_mr; MemoryRegion *dm_mr; GHashTable *iotlb; + uint64_t g_iota; S390PCIDMACount *dma_limit; MemoryRegion msix_notify_mr; IndAddr *summary_ind; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097141; cv=none; d=zohomail.com; s=zohoarc; b=KB8X8FEGlF05xBVavzPE2cpvc0jBvcKUe2StT58fovoBBiazIqUiSM0sj4dBZ9GlRXaDdCFsZvy7RFUQkrGQu6zWJPidTyyJ09aPLQCm767kAydhkjsUAc6n+LoipAaZxukkVIXHS26bKsQEGFGHr7yceXxYS+EIYKnOjudykU8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097141; 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=Ju3TdCo9F+qwi0b5Ke4joOc8d4Yfdtaokv5jWfReqNc=; b=nE7DKV1qS/iihjuzN9I3wLJmVUi4yXbXppi8mUH/y4Y0lgL1agwTllENbiOxS4nZ6krDYwtbir3hhiJwInvM6l/qLGr357jqJoz72UxqWVehsg+GPO0NMO7qVJb7MVp79kj01rXBIEzHY9sEGlp9Rrhz6wiNg8u4lnK+JgtAbxM= 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 1775097141269961.7794849098178; Wed, 1 Apr 2026 19:32:21 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pZ-0004o2-2o; Wed, 01 Apr 2026 22:30:49 -0400 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 1w87os-0004E6-O1; Wed, 01 Apr 2026 22:30:07 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87or-0001oT-0e; Wed, 01 Apr 2026 22:30:06 -0400 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631Ju8Oo3941833; Thu, 2 Apr 2026 02:30:01 GMT Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66msa3tn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:00 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 63212omo030990; Thu, 2 Apr 2026 02:30:00 GMT Received: from smtprelay07.wdc07v.mail.ibm.com ([172.16.1.74]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6uhk05j0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:29:59 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322TwHX9044658 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:58 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 313D0580F4; Thu, 2 Apr 2026 02:29:58 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9CE52580F6; Thu, 2 Apr 2026 02:29:57 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:57 +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=Ju3TdCo9F+qwi0b5K e4joOc8d4Yfdtaokv5jWfReqNc=; b=JXI8eCDy+HXx/CkH/39ivl89rJNXr6RyT Z935IZnuh8/ySeNSoxYWfYfU3odxoNTZlsbGHqjhOpwrWUlAPzlVq1ZdiWuxQjyK Gb9/UuFg11f3Dn2MUWahsCO9I089SNcPdZaxkxeR3+VCMenGcA84BmXi7/WaUGth ud3CarfkdtV4sulbbugbnAdnuzFQx2m9nwllVxAr/TsmiYocTGl3KkEH6tWdvwRh PM+znNitVlLAk5faiVaysnbxBA6N/tXERCFVvFhpwWoFP/zETWLoqCj7H76l+b1j ycmnAZTASMsCb+wdtWsHIHwM+MbskR7U3E3WdW7oWklzZ2Ff1eTOQ== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 10/15] s390x/pci: Move pba from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:16 -0500 Message-Id: <20260402022921.298818-11-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4a8 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=THYS1zffzJpO_GefUMYA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX0aMI4+kJHcRN Qs/BOmYaYW1YBLN+e8uN86VPZaaDBUC7pGC/8EdvgC0UW5OkO+crNOvvb9tXVp2Bsn6JzcBQHt4 CIlbpUHFfCcsSPs6EgJU7x5H95MoHu6K1J8MN3OKo2VVgl4IC79Z94uGXKRY2zOlpmCLgDiFbtc YDpgziGvTRTak0i7EPxY3kawT+lEYFGiqZb7GU0+cyDJdO6Cy09gOACZPL0RKlBEA00QeB4+EO1 QhMrT4DBVOzRgIpJvR2UOdMIQqxgjGcy3r0GaHVWbIl+ifLqYoQpulCO3LouDTRMv9hbG5/zMxs uFbAm8R76ZVDtCJ1EO9aS3nNpq+ug8K0u4mFZOahEzbpMS/Cn7oKmrKNQaGwS9QR1QjVi4+hZjx XVzUAHBPlcWHYaloxSZq/57BQ+ecAfGNctdYiD5GqIJUUOPRd3SymFZTfMGqj0f2Ev6xB/m9CVV 4LuE0SchNer4hp1ZAcQ== X-Proofpoint-GUID: aCmxvNOByQ4d8nyum1RP09cUn3PrBc-e X-Proofpoint-ORIG-GUID: aCmxvNOByQ4d8nyum1RP09cUn3PrBc-e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097141791154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. This also allows to save/restore this field during migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 4 ++-- hw/s390x/s390-pci-inst.c | 8 ++++---- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index b784196c9e..734af3a307 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -564,7 +564,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, =20 trace_s390_pci_iommu_xlate(addr); =20 - if (addr < iommu->pba || addr > iommu->pal) { + if (addr < pbdev->pba || addr > iommu->pal) { error =3D ERR_EVENT_OORANGE; goto err; } @@ -601,7 +601,7 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbde= v) hwaddr curr, end; S390PCIIOMMU *iommu =3D pbdev->iommu; =20 - curr =3D iommu->pba; + curr =3D pbdev->pba; end =3D iommu->pal; =20 if (pbdev->dm_mr) { diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index f4ec299614..7680d87080 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -753,7 +753,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) goto err; } =20 - if (end < iommu->pba || start > iommu->pal) { + if (end < pbdev->pba || start > iommu->pal) { error =3D ERR_EVENT_OORANGE; goto err; } @@ -1026,7 +1026,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, return -EINVAL; } =20 - iommu->pba =3D pba; + pbdev->pba =3D pba; iommu->pal =3D pal; pbdev->g_iota =3D g_iota; =20 @@ -1043,7 +1043,7 @@ void pci_dereg_ioat(S390PCIBusDevice *pbdev) { S390PCIIOMMU *iommu =3D pbdev->iommu; s390_pci_iommu_disable(pbdev); - iommu->pba =3D 0; + pbdev->pba =3D 0; iommu->pal =3D 0; pbdev->g_iota =3D 0; } @@ -1416,7 +1416,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, ui= nt64_t fiba, uint8_t ar, return 0; } =20 - stq_be_p(&fib.pba, pbdev->iommu->pba); + stq_be_p(&fib.pba, pbdev->pba); stq_be_p(&fib.pal, pbdev->iommu->pal); stq_be_p(&fib.iota, pbdev->g_iota); stq_be_p(&fib.aibv, pbdev->routes.adapter.ind_addr); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index a7d1f1ade2..42f39a5cf0 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -275,7 +275,6 @@ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; MemoryRegion mr; - uint64_t pba; uint64_t pal; uint64_t max_dma_limit; }; @@ -352,6 +351,7 @@ struct S390PCIBusDevice { MemoryRegion *dm_mr; GHashTable *iotlb; uint64_t g_iota; + uint64_t pba; S390PCIDMACount *dma_limit; MemoryRegion msix_notify_mr; IndAddr *summary_ind; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097136; cv=none; d=zohomail.com; s=zohoarc; b=AL565rg+AdhXt8N3FnGbtNuoozxjy4oVqku9/CU9Su6YIFhf5O2ECPfcSRN6KnGQSuch3xZj0r5yb3CN8SfgXu3VvdXHtFDD0X9ji0BP9C8u6xnNX7J+2juO4dy/6q68vs25abBWzMF99+E7hAvYxjXIR4HMJ+RhYXl9/hHmLuA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097136; 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=NrGCf/8bYetSxN9UUPicau0uFbfmC6ccfpRPRtmpOxo=; b=BEy0IoZr4YCYMkF1VPW3kjqumjXl/Kpjy/4wbF2xV4nPXK/2FSRl4N2cpfZ9Za7oCrQxE9cR0uvDEcXspYOrTU8+xpP/IFei3VnUpL7KY8ttVbOqJnE6ZWbkSfizx6eGhxgULfFxO22hc6UteOT1WykBPLzIKCpXu0n9lszp3h4= 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 1775097136353400.5579425646083; Wed, 1 Apr 2026 19:32:16 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pa-0004pb-A1; Wed, 01 Apr 2026 22:30:50 -0400 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 1w87ot-0004EN-Rb; Wed, 01 Apr 2026 22:30:09 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87os-0001xd-0D; Wed, 01 Apr 2026 22:30:07 -0400 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631DqupJ346198; Thu, 2 Apr 2026 02:30:01 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66msa3tp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:01 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321P5Mh008732; Thu, 2 Apr 2026 02:30:00 GMT Received: from smtprelay07.wdc07v.mail.ibm.com ([172.16.1.74]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6v11r446-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:00 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay07.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322Twk824249034 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:59 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC8FF580F4; Thu, 2 Apr 2026 02:29:58 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 44A6E580F6; Thu, 2 Apr 2026 02:29:58 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:58 +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=NrGCf/8bYetSxN9UU Picau0uFbfmC6ccfpRPRtmpOxo=; b=GbYaDdUkBYoN5XagJz7cIPrnuFgI67r0f s+cTwxkHQ6VjgNwtkNE+hK5vVPvx/WHWDzpiuTqshaKbUAP4Os13jgK6ouuOFqq5 d//Z78/jqrIjUdXu8V/eCH9cZJ1ta+rJAYEG7AkGFgNRcn6lC5SNr5nhg1J9cEMA wwBgIoH1iOGL56q5mnFdcX9CGQqdigxg2goLwQivCtZozKquZ7Ib2flzdTv9z0gE ZVLPuaQ1QMhs332gnGtWGkJkASQlRqcUPbzwbumiOoY1IhQmBbVGf/NjGh5X7ijI uoYHKkJl1UARb/JIs5KmRDOtCyYHkrxk9O82KI0LAsDuK1sj4VE1Q== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 11/15] s390x/pci: Move pal from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:17 -0500 Message-Id: <20260402022921.298818-12-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4a9 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=WfwOUNX5pORHP_P-vIkA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX5kkaFzfftqwR 3BFjAi7Dl2J3sF3GvaMNbjaKa/0D4pRaW7pF4KlP6mkNLhjy5n8oIkKO6Fs+C5Qas/PBAVot0bH AOK2Q6Ns0L2lb0i5uDMrFGBHI3V/k8bgPyqfxRLQM2Zkl32vdax1CnJwjrWot3EARLkYP72YdcQ i6l+a/srYJpr7Utwydy7yD6Gyx5ATLqgGyb7oF0mKsVmycLiFdJv8NiJwhz+RTMWb5h/caEPYM2 wDa7xTFg1yfTId1kBnljIaWfj3oGAF7TroHqyOfmc20RwlBnf18E2wpL+X7jF+d+FHwfq2lJfGM hOC9ReEtrgq0KVGnDtr8/ywMxkEY9tcsT7xzOfdG/FeG6loqUOCvlvSFFaRnCUVMLJMlkGlZTYD kTX1uUGEhasWz5cvU0y2+JdLKEMfQkshMP3/P1dIh/xvSHFBlmE4TrZ4Exj2xE5RlcVVCjLI2si rjsvS985HYpLL7Cl1XA== X-Proofpoint-GUID: eEYGYQTVNurchBqlWVGeVDz2upqiNn1x X-Proofpoint-ORIG-GUID: eEYGYQTVNurchBqlWVGeVDz2upqiNn1x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097137611154100 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. This also allows to save/restore this field during migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 8 +++----- hw/s390x/s390-pci-inst.c | 12 ++++-------- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 8 insertions(+), 14 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 734af3a307..f339a0fd94 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -539,7 +539,6 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, IOMMUAccessFlags flag, int iommu= _idx) { S390PCIBusDevice *pbdev =3D container_of(mr, S390PCIBusDevice, iommu_m= r); - S390PCIIOMMU *iommu =3D pbdev->iommu; S390IOTLBEntry *entry; uint64_t iova =3D addr & TARGET_PAGE_MASK; uint16_t error =3D 0; @@ -564,7 +563,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRe= gion *mr, hwaddr addr, =20 trace_s390_pci_iommu_xlate(addr); =20 - if (addr < pbdev->pba || addr > iommu->pal) { + if (addr < pbdev->pba || addr > pbdev->pal) { error =3D ERR_EVENT_OORANGE; goto err; } @@ -599,10 +598,9 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbd= ev) uint16_t error =3D 0; uint32_t dma_avail; hwaddr curr, end; - S390PCIIOMMU *iommu =3D pbdev->iommu; =20 curr =3D pbdev->pba; - end =3D iommu->pal; + end =3D pbdev->pal; =20 if (pbdev->dm_mr) { /* If direct mapping is used, there are no guest tables to replay = */ @@ -770,7 +768,7 @@ void s390_pci_iommu_enable(S390PCIBusDevice *pbdev) char *name =3D g_strdup_printf("iommu-s390-%04x", pbdev->uid); memory_region_init_iommu(&pbdev->iommu_mr, sizeof(pbdev->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu-= >mr), - name, iommu->pal + 1); + name, pbdev->pal + 1); pbdev->iommu_enabled =3D true; memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&pbdev->iommu= _mr)); g_free(name); diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 7680d87080..191f549ba7 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -700,7 +700,6 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) uint32_t fh; uint16_t error =3D 0; S390PCIBusDevice *pbdev; - S390PCIIOMMU *iommu; S390IOTLBEntry entry; hwaddr start, end, sstart; uint32_t dma_avail; @@ -742,7 +741,6 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) break; } =20 - iommu =3D pbdev->iommu; if (pbdev->dma_limit) { dma_avail =3D pbdev->dma_limit->avail; } else { @@ -753,7 +751,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_= t r2, uintptr_t ra) goto err; } =20 - if (end < pbdev->pba || start > iommu->pal) { + if (end < pbdev->pba || start > pbdev->pal) { error =3D ERR_EVENT_OORANGE; goto err; } @@ -1001,7 +999,6 @@ bool s390_pci_is_translation_enabled(uint64_t g_iota) static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib f= ib, uintptr_t ra) { - S390PCIIOMMU *iommu =3D pbdev->iommu; uint64_t pba =3D ldq_be_p(&fib.pba); uint64_t pal =3D ldq_be_p(&fib.pal); uint64_t g_iota =3D ldq_be_p(&fib.iota); @@ -1027,7 +1024,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDev= ice *pbdev, ZpciFib fib, } =20 pbdev->pba =3D pba; - iommu->pal =3D pal; + pbdev->pal =3D pal; pbdev->g_iota =3D g_iota; =20 if (t) { @@ -1041,10 +1038,9 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDe= vice *pbdev, ZpciFib fib, =20 void pci_dereg_ioat(S390PCIBusDevice *pbdev) { - S390PCIIOMMU *iommu =3D pbdev->iommu; s390_pci_iommu_disable(pbdev); pbdev->pba =3D 0; - iommu->pal =3D 0; + pbdev->pal =3D 0; pbdev->g_iota =3D 0; } =20 @@ -1417,7 +1413,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, ui= nt64_t fiba, uint8_t ar, } =20 stq_be_p(&fib.pba, pbdev->pba); - stq_be_p(&fib.pal, pbdev->iommu->pal); + stq_be_p(&fib.pal, pbdev->pal); stq_be_p(&fib.iota, pbdev->g_iota); stq_be_p(&fib.aibv, pbdev->routes.adapter.ind_addr); stq_be_p(&fib.aisb, pbdev->routes.adapter.summary_addr); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 42f39a5cf0..1f5d8d4bd4 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -275,7 +275,6 @@ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; MemoryRegion mr; - uint64_t pal; uint64_t max_dma_limit; }; =20 @@ -352,6 +351,7 @@ struct S390PCIBusDevice { GHashTable *iotlb; uint64_t g_iota; uint64_t pba; + uint64_t pal; S390PCIDMACount *dma_limit; MemoryRegion msix_notify_mr; IndAddr *summary_ind; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097107; cv=none; d=zohomail.com; s=zohoarc; b=ZH4x69OL/dbBNIEXODHOFTUADfTasS3fy640mL7NVEewAWklRn22RjVN8yQMKmi0YnNX8yJCAUYfsai/Ot4tPD7+oAot0sQ4zBUeYduyKm7IpLJ/Q8fesul+F4v0PK1BJJNyNroaPN0Krw0RVSx/KInPCQbeDLw57oIZunUqIf0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097106; 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=21wAnetksnyEMKaYwFAGBSun5+/pbul82YOTNXBd9SY=; b=FfCE1W7vsSHWVk2CRg3jVqS0qstVGZCXbFWEN/pWgkJmz7USzdUGc/6CvjyYS/CDSy35+4MpGVIImDi8Dv1RXn7+/uUpAbJBP5983s+H+XVu8aZdS0YH2I1sv/gAtNZWWaxyzwIoswaSvZCPNsTdy7upVfyMwVTLlUADr44SUiQ= 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 1775097106992638.9227737368531; Wed, 1 Apr 2026 19:31:46 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pT-0004im-6L; Wed, 01 Apr 2026 22:30:43 -0400 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 1w87ot-0004EM-On; Wed, 01 Apr 2026 22:30:08 -0400 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 1w87or-0001uA-Lz; Wed, 01 Apr 2026 22:30:07 -0400 Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631NdFu5224105; Thu, 2 Apr 2026 02:30:01 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66nntyep-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:01 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321hhKB008751; Thu, 2 Apr 2026 02:30:00 GMT Received: from smtprelay02.dal12v.mail.ibm.com ([172.16.1.4]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6v11r447-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:00 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay02.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322Txj98323796 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:29:59 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7446F580F4; Thu, 2 Apr 2026 02:29:59 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E02B4580F6; Thu, 2 Apr 2026 02:29:58 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:58 +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=21wAnetksnyEMKaYw FAGBSun5+/pbul82YOTNXBd9SY=; b=PstZVNuAdpY4ClHhPvohh+90m4g/CytdJ HbhwRfstXe/Ap1pp2/8VUsGq0uKjluiOzQWwfL6lCEROf1BKzDewTFUhfFvGBixY 5IZmmow0HVZaDMnAqZ6XUMDI+OGI/OD/uHjQctChsGEbhsC53Eu7b3T7hjbmUPXk x6U7S95dHN17/9StzZd2kFMKxDwpDJ+JMYnElJunsT4Ey2zMYT55bwAJ9KBpR1Z4 CKsXSoI4gyCmeB6IOdeNCpZ0MdwmRzvUBXC8v7ptIzAYxSHNKWrh4MZosBvFmHim sWL1oryY5FjANl1U4kYW+doA383ZGrgunWJHgEjX4EJec0frG6ZJw== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 12/15] s390x/pci: Move max_dma_limit from S390PCIIOMMU to S390PCIBusDevice Date: Wed, 1 Apr 2026 21:29:18 -0500 Message-Id: <20260402022921.298818-13-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: imYswDwFTqIYjpH5e6cDBLNaCyE5smYw X-Authority-Analysis: v=2.4 cv=KslAGGWN c=1 sm=1 tr=0 ts=69cdd4a9 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=YlvBUofuDPas7G3Xl8cA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX7RkCHa6zYaYC pTLSQ1fdpFq5udb6a2Pz069nnxhWb0EsdExIy6My9+orwr7X2M5mi/Vfu0JCadIVe4fszfoX0Lj g55kHNzrxPZCqnJvg1k9MXICp1tH5rMYTuX8Lyzpi4wKopKBCNdUwAmCny91/0AngGn5gORcE5I OLZtI6aiOXaaSQAWmVCAtOM30zHfsBP37l5EowL+h8nR3RsQmvDyCwh7/len6uCEnLXoqo4P8Sr NJhALI6Y36H7hF3hyzsMFT1mTFum/cBqD7agCA+pvcBydYor2Cwhh8L+5jDeCZnxAZQKR79UpDh b4AI5Vodwx3MXwfFvOxgehr/bcyd+kvXRxjwHY72UHL0+xLqNPnQm32aPEv7adPHZU8lIxgEJcv EVjuKPr0qKMCYo1EoYyHg8odFHuz3II1pd+1OtJNlH2NGQQ645teQLPIUKSDesit+EmGX7R6uoQ VHTgXJSBONBj4vvyKXQ== X-Proofpoint-ORIG-GUID: imYswDwFTqIYjpH5e6cDBLNaCyE5smYw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1015 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097107660158500 Content-Type: text/plain; charset="utf-8" This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU which purpose is just to store the "root" AddressSpace. This also allows to save/restore this field during migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-vfio.c | 4 ++-- include/hw/s390x/s390-pci-bus.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 7c754b656d..093743f2f0 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -90,7 +90,7 @@ S390PCIDMACount *s390_pci_start_dma_count(S390pciState *s, cnt->users =3D 1; cnt->avail =3D avail; QTAILQ_INSERT_TAIL(&s->zpci_dma_limit, cnt, link); - pbdev->iommu->max_dma_limit =3D avail; + pbdev->max_dma_limit =3D avail; return cnt; } =20 @@ -151,7 +151,7 @@ static void s390_pci_read_base(S390PCIBusDevice *pbdev, * to request that the guest free DMA mappings as necessary. */ if (!pbdev->rtr_avail) { - vfio_size =3D pbdev->iommu->max_dma_limit << qemu_target_page_bits= (); + vfio_size =3D pbdev->max_dma_limit << qemu_target_page_bits(); if (vfio_size > 0 && vfio_size < cap->end_dma - cap->start_dma + 1= ) { pbdev->zpci_fn.edma =3D cap->start_dma + vfio_size - 1; } diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 1f5d8d4bd4..e3cbee2695 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -275,7 +275,6 @@ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; MemoryRegion mr; - uint64_t max_dma_limit; }; =20 typedef struct S390PCIIOMMUTable { @@ -352,6 +351,7 @@ struct S390PCIBusDevice { uint64_t g_iota; uint64_t pba; uint64_t pal; + uint64_t max_dma_limit; S390PCIDMACount *dma_limit; MemoryRegion msix_notify_mr; IndAddr *summary_ind; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097138; cv=none; d=zohomail.com; s=zohoarc; b=kL3F+2Idp3JVZph2wYZu5x2jiSffLYfjJNwnGzoob2IPMdvbIi9hMZkyrAcIVCJ4keVomHZTlXIWk1GNozNjp8gLWiktQjsG10u8ZLP5N8OJ3IU8Kl2gVeAQQFer/wOT0wayb+j+7h2jWAzBNgcyEHnQekcL11tLXsH7zPz9geg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097138; 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=eYbBKH1oO13k9TLelI7GDEIaC9XcIecLzSyl4dhG1eQ=; b=Sqzk28Mqm4FsHIgJ3MnFSLStsBDwWq/7A+4ca/1uKN3V/jncLg58Z0l71F+8iENUrQF2yUg51rQPKiVhSY6tS/tOyJn59CSY37LrJVxlWFD9wGfEAUem3Lu/1Jp3wdC1Y/alRFN2qAjaDEuSJARF8SYmuIiXzwdzlejm5y0WUe8= 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 1775097138962236.44823291730836; Wed, 1 Apr 2026 19:32:18 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pZ-0004oQ-Mu; Wed, 01 Apr 2026 22:30:49 -0400 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 1w87ot-0004EL-O4; Wed, 01 Apr 2026 22:30:08 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87or-0001wV-PQ; Wed, 01 Apr 2026 22:30:07 -0400 Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631LQaer105889; Thu, 2 Apr 2026 02:30:02 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66msa3tx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:02 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6320LhWV013936; Thu, 2 Apr 2026 02:30:01 GMT Received: from smtprelay03.dal12v.mail.ibm.com ([172.16.1.5]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4d6ttkr8ee-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:01 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay03.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322U0A13408612 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:30:00 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 25527580F7; Thu, 2 Apr 2026 02:30:00 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 88287580F6; Thu, 2 Apr 2026 02:29:59 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:29:59 +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=eYbBKH1oO13k9TLel I7GDEIaC9XcIecLzSyl4dhG1eQ=; b=m3J1bxgTqL98VQVOmjvmHpvx8AkWC35sh 9ssdJZZBEOjtvN+EjVkAObFglnUTVQiC1FHZ/3QWpvPQIfoZh9g+e3vt6JfkFeZC LCw/vEswIQTAnprZAcGE56kxX1kjmanA8i/u4t3ZQcLTAFYDz+9uLPuS9remYZFV ur59FLEhLuhbqvvdNqN73RJdeoRQPZt4iBG2RGlbQoFCeXVUShODFxNZvnd3Lz5r BjG19SrhCqXQJejq0z6ioL3gWxUONU8+EkIjh/B6UmjbtNyrRlDCqg2cuFD4lcs6 97BnR9DelFNkMBe6XUz73iJavH/l0NrNNaD0tyzQXQ/EUi+1bbnyg== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 13/15] s390x/pci: Add a comment explaining S390PCIIOMMU purpose Date: Wed, 1 Apr 2026 21:29:19 -0500 Message-Id: <20260402022921.298818-14-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4aa cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=YbwZhMhe-Yu4dYefToEA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX9ZMcq7FOQWjH AXcgSds6BNOTMyGSPx+DXJSkEEEEJy3FsZ3mBSHhYu14ieyIDJvUpTNWFbbBCB4YUFpHrDPzfiZ gAjHTRlXvUnphQrDqTZH5rNhN86HDAajW0WV8G1mu6HfnGux5cJDSdBE9Hng+k8oPDm8+7rntAw Qhamjp/S4BIW79nMJYLaK0k9Mkkj96+CkzZOyxTSrF7efM75ZH9DyHKrlLUQyYwqYkrGD0Lt5O5 vGVDoqSLAZFTdtdNsmsfr4hhz7zGUyAokCt2/D2ejfcmPX47UMprM3bGEKHlvhnzWow93rxbFXf TYBVNF0QFQppDyAhJyS+uJ3saQHbh2vEJ6tjRcNlUNhJTnW/7JlM1wL2VfKUd9DiGRSKZXZHFnf ZdZ9/N4sn4PmVg4N02VDy1w71QTYpFlRICiwE83ubWXskL7cN3aIlncK5Pj3qo7Zlf3zQpb3oQb aCqe+B4Gjs+CTca5Ytg== X-Proofpoint-GUID: OXu4MXSWDoqWMdGUtq_Mwc5UtaSRD0JR X-Proofpoint-ORIG-GUID: OXu4MXSWDoqWMdGUtq_Mwc5UtaSRD0JR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097139858158500 Content-Type: text/plain; charset="utf-8" Signed-off-by: Konstantin Shkolnyy --- include/hw/s390x/s390-pci-bus.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index e3cbee2695..2fab28e6e0 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -271,6 +271,14 @@ typedef struct S390PCIDMACount { QTAILQ_ENTRY(S390PCIDMACount) link; } S390PCIDMACount; =20 +/* + * This structure holds the PCI device AddressSpace that QEMU needs to link + * into its internal structures before the zPCI and PCI devices are fully + * initialized. It's a QEMU requirement to provide this "root" AddressSpace + * early. The AddressSpace is only actually used for I/O while the PCI + * device is plugged in and configured by the guest, at which time it gets + * additional memory subregions from zPCI device, that can do real work. + */ struct S390PCIIOMMU { Object parent_obj; AddressSpace as; --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097102; cv=none; d=zohomail.com; s=zohoarc; b=OGNik/HPUknR+oZIysRAZJy16tncpj2JTf0zjnKPgA8du4qVI4+TkfGZ1ALRDicSLA58469gd4j1MMEPFAZ+AH+Zfmy+MME7me00bHqrGtUKavC+PEP0MLciBVEP4c/CS4yX6LbutDuULj8R6MQAtkv44yDw2vbh6cxoHVsN/JY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097102; 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=t5cVYkxBAOpmPSSXdFdsVxwtAJBjRxBXKstytrtL+qc=; b=h81hagxdmJ+G5wpGlPnLRwv/QTJacEQcNRR+k4eSKilJmVjxvAhuGE9Ua5Igi/IQ7icNKFEkjJTLvDeJivQgmnxinROykZctHY3ks3Xrd6fvDAADqi2U6mblWi92EvTkbl0MrvscdGeICia4gUv+dawyq0n4ROKvSkNAdjWS5KI= 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 1775097102646962.3616047560287; Wed, 1 Apr 2026 19:31:42 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pU-0004kQ-E2; Wed, 01 Apr 2026 22:30:44 -0400 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 1w87ov-0004Eh-6k; Wed, 01 Apr 2026 22:30:10 -0400 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 1w87ot-0001yn-1z; Wed, 01 Apr 2026 22:30:08 -0400 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631M4hsB560642; Thu, 2 Apr 2026 02:30:03 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d66g231pu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:02 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321iueg008698; Thu, 2 Apr 2026 02:30:02 GMT Received: from smtprelay03.dal12v.mail.ibm.com ([172.16.1.5]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6v11r449-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:02 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay03.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322U03N29491796 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:30:01 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C26C8580F4; Thu, 2 Apr 2026 02:30:00 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 39DB3580F6; Thu, 2 Apr 2026 02:30:00 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:30:00 +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=t5cVYkxBAOpmPSSXd FdsVxwtAJBjRxBXKstytrtL+qc=; b=U9h/5jsV5fZ38DkQM8nGtw9voZEy30wuf 0l+2LXyUOLfC7OoA7MIhgM2zZf+CgBRyqfWru2PoItC7qkI+MoY6FRB7zkNyVBIK xVSmnP/7N9YxHae6gySPuRhmPsllgxCG1Pq8J1jrU7+nvWu0mBjGyD33xulJ/3Ly LqhNfXVJkFyCz/fnUzTaQxfDjRIHWKcsf8OjYZEKnxzjZDiBdCakNdJLknSCxGPe 4Id87xLeVdJhOTAuFKjfD8YFvQOMxVYM5RqFL5ZNyCAXoh09tzRU40HyxIpokV+F ePuoJ0puOmtIG/Kn/K5auhVOH7ZljY2wD3UBnvqDhfuz6smy3xiZA== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 14/15] s390x/pci: Implement migration for emulated devices Date: Wed, 1 Apr 2026 21:29:20 -0500 Message-Id: <20260402022921.298818-15-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Fdo6BZ+6 c=1 sm=1 tr=0 ts=69cdd4aa cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=1WZqjCYO3q-P4G2YYo4A:9 X-Proofpoint-ORIG-GUID: oRdHDHgOv2BWWHXZ973_1EsBb1UfJMUD X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX/Z0hZxiogMlK A07AO9zBdtKJuQnFveUdp1kP61DHQXVuKKNktKgcnvY/TMphbSfrJNa1j42thT6A1xFJ+cAZ1P2 egPQiQNpwJw+JkjEbO+OFZGztnMme9pfTR3CscTyxIBkz6ylcmQAi/vC1zG4+62SFlBaolL0VS3 HVkSteYwL9CvIJJvWxL2B5efwizzmveWZDUY6xp/XTvhZjyN2DXaRG4ETAEKmdC65+DKMFh9UxF jHV6zik3fGoxkewFMgfiP562g1y06s0TRA87+yj1Y3Jx6MV9gxsDayG7yA4lU4GneHORj6PIpwg ObekpDNmtwolZk0lcLUOz97F5ZLOP6vOk4MsRn6b51bWwroK+9Xvr26+Jp3OC6MufqoOZKBZF76 k0BHOplINqx+neIQgE/9egWJ9JshsvQNg0DXJcNyFFumCb/Fs6iB2xvPQAebnfeej3ptD8fiakj nMY2Eh28lzuZVB1U0HA== X-Proofpoint-GUID: oRdHDHgOv2BWWHXZ973_1EsBb1UfJMUD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 bulkscore=0 suspectscore=0 priorityscore=1501 adultscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=kshk@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097105268154100 Content-Type: text/plain; charset="utf-8" Implement zPCI device state migration, consequently enabling migration of VMs that have emulated PCI devices, whether virtio or not. Migration is allowed for devices whose function handle has the FH_SHM_EMUL bit set. For these devices QEMU will save and restore the state of its zPCI emulator. Passthrough devices will continue to block migration. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 112 ++++++++++++++++++++++++++++++-- hw/s390x/s390-pci-inst.c | 2 +- include/hw/s390x/s390-pci-bus.h | 2 + 3 files changed, 110 insertions(+), 6 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index f339a0fd94..b3037b9a8a 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -26,6 +26,7 @@ #include "hw/pci/pci_bridge.h" #include "hw/pci/msi.h" #include "exec/cpu-common.h" +#include "migration/blocker.h" #include "qemu/error-report.h" #include "qemu/module.h" #include "system/reset.h" @@ -1116,6 +1117,28 @@ static int s390_pci_interp_plug(S390pciState *s, S39= 0PCIBusDevice *pbdev) return 0; } =20 +static int s390_set_passthrough_migration_blocker(S390PCIBusDevice *pbdev, + Error **errp) +{ + pbdev->passthrough_migr_blocker =3D NULL; + + if (pbdev->fh & FH_SHM_EMUL) { + return 0; + } + error_setg(&pbdev->passthrough_migr_blocker, + "Migration blocked by passthrough zPCI device " + "fh 0x%x uid %d fid %d", pbdev->fh, pbdev->uid, pbdev->fid); + + return migrate_add_blocker(&pbdev->passthrough_migr_blocker, errp); +} + +static void s390_clear_passthrough_migration_blocker(S390PCIBusDevice *pbd= ev) +{ + if (pbdev->passthrough_migr_blocker) { + migrate_del_blocker(&pbdev->passthrough_migr_blocker); + } +} + static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *de= v, Error **errp) { @@ -1235,6 +1258,11 @@ static void s390_pcihost_plug(HotplugHandler *hotplu= g_dev, DeviceState *dev, return; } =20 + if (s390_set_passthrough_migration_blocker(pbdev, errp)) { + s390_pci_msix_free(pbdev); + return; + } + if (dev->hotplugged) { s390_pci_generate_plug_event(HP_EVENT_TO_CONFIGURED , pbdev->fh, pbdev->fid); @@ -1271,6 +1299,8 @@ static void s390_pcihost_unplug(HotplugHandler *hotpl= ug_dev, DeviceState *dev, return; } =20 + s390_clear_passthrough_migration_blocker(pbdev); + s390_pci_generate_plug_event(HP_EVENT_STANDBY_TO_RESERVED, pbdev->fh, pbdev->fid); bus =3D pci_get_bus(pci_dev); @@ -1600,13 +1630,85 @@ static const Property s390_pci_device_properties[] = =3D { true), }; =20 -static const VMStateDescription s390_pci_device_vmstate =3D { - .name =3D TYPE_S390_PCI_DEVICE, +static int s390_pci_device_post_load(void *opaque, int version_id) +{ + S390PCIBusDevice *pbdev =3D S390_PCI_DEVICE(opaque); + + /* + * Now that S390PCIBusDevice fields have been restored, regenerate IOM= MU + * state - that includes IOTLB contents and QEMU memory regions. + */ + if (pbdev->iommu_enabled) { + assert(pbdev->iommu); + if (s390_pci_is_translation_enabled(pbdev->g_iota)) { + s390_pci_iommu_enable(pbdev); + s390_pci_ioat_replay(pbdev); + } else { + s390_pci_iommu_direct_map_enable(pbdev); + } + } + /* - * TODO: add state handling here, so migration works at least with - * emulated pci devices on s390x + * Guest sets fmb_addr by mpcifc.ZPCI_MOD_FC_SET_MEASURE instruction. + * The handler consequently starts fmb_timer. Now that fmb_addr has be= en + * restored, we may need to restart fmb_timer. */ - .unmigratable =3D 1, + if (pbdev->fmb_addr) { + assert(!pbdev->fmb_timer); + assert(pbdev->pci_group); + pbdev->fmb_timer =3D timer_new_ms(QEMU_CLOCK_VIRTUAL, + fmb_update, pbdev); + timer_mod(pbdev->fmb_timer, + qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + + pbdev->pci_group->zpci_group.mui); + } + return 0; +} + +static const VMStateDescription s390_pci_device_vmstate =3D { + .name =3D TYPE_S390_PCI_DEVICE, + .version_id =3D 1, + .minimum_version_id =3D 1, + .post_load =3D s390_pci_device_post_load, + .fields =3D (const VMStateField[]) { + VMSTATE_UINT32(state, S390PCIBusDevice), + VMSTATE_UINT16(uid, S390PCIBusDevice), + VMSTATE_UINT32(idx, S390PCIBusDevice), + VMSTATE_UINT32(fh, S390PCIBusDevice), + VMSTATE_UINT32(fid, S390PCIBusDevice), + VMSTATE_BOOL(fid_defined, S390PCIBusDevice), + VMSTATE_UINT64(fmb_addr, S390PCIBusDevice), + VMSTATE_UINT32(fmb.format, S390PCIBusDevice), + VMSTATE_UINT32(fmb.sample, S390PCIBusDevice), + VMSTATE_UINT64(fmb.last_update, S390PCIBusDevice), + VMSTATE_UINT64_ARRAY(fmb.counter, S390PCIBusDevice, + ARRAY_SIZE(((S390PCIBusDevice *)0)->fmb.counter)), + VMSTATE_UINT64(fmb.fmt0.dma_rbytes, S390PCIBusDevice), + VMSTATE_UINT64(fmb.fmt0.dma_wbytes, S390PCIBusDevice), + VMSTATE_UINT8(isc, S390PCIBusDevice), + VMSTATE_UINT16(noi, S390PCIBusDevice), + VMSTATE_UINT8(sum, S390PCIBusDevice), + VMSTATE_UINT8(pft, S390PCIBusDevice), + VMSTATE_UINT64(routes.adapter.ind_addr, S390PCIBusDevice), + VMSTATE_UINT64(routes.adapter.summary_addr, S390PCIBusDevice), + VMSTATE_UINT64(routes.adapter.ind_offset, S390PCIBusDevice), + VMSTATE_UINT32(routes.adapter.summary_offset, S390PCIBusDevice), + VMSTATE_UINT32(routes.adapter.adapter_id, S390PCIBusDevice), + VMSTATE_BOOL(iommu_enabled, S390PCIBusDevice), + VMSTATE_UINT64(g_iota, S390PCIBusDevice), + VMSTATE_UINT64(pba, S390PCIBusDevice), + VMSTATE_UINT64(pal, S390PCIBusDevice), + VMSTATE_UINT64(max_dma_limit, S390PCIBusDevice), + VMSTATE_PTR_TO_IND_ADDR(summary_ind, S390PCIBusDevice), + VMSTATE_PTR_TO_IND_ADDR(indicator, S390PCIBusDevice), + VMSTATE_BOOL(pci_unplug_request_processed, S390PCIBusDevice), + VMSTATE_BOOL(unplug_requested, S390PCIBusDevice), + VMSTATE_BOOL(interp, S390PCIBusDevice), + VMSTATE_BOOL(forwarding_assist, S390PCIBusDevice), + VMSTATE_BOOL(aif, S390PCIBusDevice), + VMSTATE_BOOL(rtr_avail, S390PCIBusDevice), + VMSTATE_END_OF_LIST() + } }; =20 static void s390_pci_device_class_init(ObjectClass *klass, const void *dat= a) diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 191f549ba7..a9c0a4effb 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1094,7 +1094,7 @@ static int fmb_do_update(S390PCIBusDevice *pbdev, int= offset, uint64_t val, return ret; } =20 -static void fmb_update(void *opaque) +void fmb_update(void *opaque) { S390PCIBusDevice *pbdev =3D opaque; int64_t t =3D qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 2fab28e6e0..2edb023112 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -337,6 +337,7 @@ struct S390PCIBusDevice { uint16_t uid; uint32_t idx; uint32_t fh; + Error *passthrough_migr_blocker; uint32_t fid; bool fid_defined; uint64_t fmb_addr; @@ -415,5 +416,6 @@ S390PCIBusDevice *s390_pci_find_dev_by_pci(S390pciState= *s, S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s, S390PCIBusDevice *pbdev); void s390_pci_ism_reset(void); +void fmb_update(void *opaque); =20 #endif --=20 2.34.1 From nobody Sat Apr 11 18:34:11 2026 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=1775097146; cv=none; d=zohomail.com; s=zohoarc; b=THXKFbGkKE49MpUr3Uc1VUdoHt8P1wR+AGGcB9uENeu2k8VGe2sRhmhnrIZi0y6rqFiKVfADODJKR1KuoTVsrsV+bkBvhoaupmDBXdHz8Qjf4Ed+6lyLtSEHSVVwc7+eLw0fAUK/w41N4VXZ+f2MuYkxekhTcMw9tiSFIeAT38c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1775097146; 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=b8UsqEhWMdLSrJ83vE86UE+4bGE1qV2cE0PriPUBNJA=; b=N79CWbhZJuGQg0CJ6yHtz744USFc3LB31WO4X4ncaQrHAu6QMvQP86hT1g7Lae3r2CRwo6wz2stlAAV/UvKeoOqBuU7wgXyPd1FHSTs8dUyFbSGknpViTM1N9D37xk2EKTouZbXS8S+a39VyKzeYQU9Wv1TQyCAHbuXka/8Yn+4= 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 1775097146861271.46367204820115; Wed, 1 Apr 2026 19:32:26 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w87pW-0004lZ-I4; Wed, 01 Apr 2026 22:30:46 -0400 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 1w87p3-0004Og-PK; Wed, 01 Apr 2026 22:30:21 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w87ou-0001zc-TE; Wed, 01 Apr 2026 22:30:10 -0400 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 631HmLoU3128138; Thu, 2 Apr 2026 02:30:03 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4d65dcj6df-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:03 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 6321O8AM008703; Thu, 2 Apr 2026 02:30:02 GMT Received: from smtprelay04.dal12v.mail.ibm.com ([172.16.1.6]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4d6v11r44e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 02:30:02 +0000 Received: from smtpav06.wdc07v.mail.ibm.com (smtpav06.wdc07v.mail.ibm.com [10.39.53.233]) by smtprelay04.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6322U1k426411562 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2026 02:30:01 GMT Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 69C18580F4; Thu, 2 Apr 2026 02:30:01 +0000 (GMT) Received: from smtpav06.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D5DE4580F6; Thu, 2 Apr 2026 02:30:00 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.ibm.com (unknown [9.61.247.119]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2026 02:30:00 +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=b8UsqEhWMdLSrJ83v E86UE+4bGE1qV2cE0PriPUBNJA=; b=ku77+dM1o3pp/DR9sCknEEbzcBSC4lTo1 9zVfP0dSfbLG49W3B3yaChHmg39zM662iKXD7zrOlyiR7Sr6qHQGPWaCzGSsUVZv c2V4SgpACFPlEA2LMr+soMbFrXHR3wzhjEvt8tPvhvMRaZksrePzlj/nLmaehWug 2Vatqnk0fL4OUrCG1PVaLsBZvaMrZt4fZWuIKFlwcaZ9EAW065IXmW/MnvMmN6Jf bjeL08IUDWo6Losa8zdT3aW0hqAgdEQUm/4QPDJIlyDlx7O7lT2NaIU+IhOD16FR M4pB0wjzCrUX7wVMLkVjHeBWdNLGO3qa+UYc3EhA7GhwXzOXv4JQg== From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com, david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Konstantin Shkolnyy Subject: [PATCH 15/15] s390x/pci: Create function to contain fmb_timer start Date: Wed, 1 Apr 2026 21:29:21 -0500 Message-Id: <20260402022921.298818-16-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260402022921.298818-1-kshk@linux.ibm.com> References: <20260402022921.298818-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=RsjI7SmK c=1 sm=1 tr=0 ts=69cdd4ab cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=7DrABjzRcPR44fYl4i4A:9 X-Proofpoint-GUID: 3kQW5gHHoFCKSOAwqAq50gJV67V_ooCG X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfXxM1JCWYabEjw uqfIKKWo3IWlyAfrVtwq44+u8d3bpRX6xu7i5wbiWdqSk1oqUadIBVVm5eksSha1otKUzVk4tP/ 99TfCtjaOrtbriZnDwTwHz+tf0KvvvoeQlZP+WXL3i86yQXXJ8YEjgfgmMmzSjRixVitqt8qQ83 Fnx2fUC6RS59PF8Rn64RSqICNVNJCRxkwcVB+C1pLj09MoWzm12V628vrrv31SNYw4ghDbsdWtU swXNwAO+Hmu2dYcBANw/p8Gxv0yjiiFxA1uqor4Nd+6ztblVhNvsP9Bd2ShzzYtwikWI7At8RKb ML7Gw2NMJHFqmZGRaaKf6N2rwQYskwZDplXR3hOPr15lxqBG2cWJXyJBJfaaeR5+ePhHWL5A2XC X7Oq2H/ugxF3hWNBC3mu935iatXIVXOrBobCpYFm3eTzoGu5YU16iRZ4O9MO2BXrCKhPHoQG8iW RvPX7KIHweO+tvgu/Rg== X-Proofpoint-ORIG-GUID: 3kQW5gHHoFCKSOAwqAq50gJV67V_ooCG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_05,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019 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=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1775097147859158500 Content-Type: text/plain; charset="utf-8" fmb_timer is now started in 3 different places. The new function will encap= sulate that to make sure mui is added in all cases. Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 5 ++--- hw/s390x/s390-pci-inst.c | 14 ++++++++++---- include/hw/s390x/s390-pci-bus.h | 1 + 3 files changed, 13 insertions(+), 7 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index b3037b9a8a..1451dbd340 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -1658,9 +1658,8 @@ static int s390_pci_device_post_load(void *opaque, in= t version_id) assert(pbdev->pci_group); pbdev->fmb_timer =3D timer_new_ms(QEMU_CLOCK_VIRTUAL, fmb_update, pbdev); - timer_mod(pbdev->fmb_timer, - qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + - pbdev->pci_group->zpci_group.mui); + s390_pci_schedule_fmb_timer(pbdev, + qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)); } return 0; } diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index a9c0a4effb..62ecd50dcb 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -1094,9 +1094,16 @@ static int fmb_do_update(S390PCIBusDevice *pbdev, in= t offset, uint64_t val, return ret; } =20 +void s390_pci_schedule_fmb_timer(S390PCIBusDevice *pbdev, uint64_t start) +{ + timer_mod(pbdev->fmb_timer, start + pbdev->pci_group->zpci_group.mui); +} + void fmb_update(void *opaque) { S390PCIBusDevice *pbdev =3D opaque; + + /* Must be read before updating U bit */ int64_t t =3D qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); int i; =20 @@ -1133,7 +1140,7 @@ void fmb_update(void *opaque) sizeof(pbdev->fmb.last_update))) { return; } - timer_mod(pbdev->fmb_timer, t + pbdev->pci_group->zpci_group.mui); + s390_pci_schedule_fmb_timer(pbdev, t); } =20 static int mpcifc_reg_int_interp(S390PCIBusDevice *pbdev, ZpciFib *fib) @@ -1326,9 +1333,8 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uin= t64_t fiba, uint8_t ar, timer_del(pbdev->fmb_timer); } pbdev->fmb_addr =3D fmb_addr; - timer_mod(pbdev->fmb_timer, - qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + - pbdev->pci_group->zpci_group.mui); + s390_pci_schedule_fmb_timer(pbdev, + qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)); break; } default: diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index 2edb023112..966ae3ade5 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -417,5 +417,6 @@ S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciS= tate *s, S390PCIBusDevice *pbdev); void s390_pci_ism_reset(void); void fmb_update(void *opaque); +void s390_pci_schedule_fmb_timer(S390PCIBusDevice *pbdev, uint64_t start); =20 #endif --=20 2.34.1