From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75989C88E59 for ; Fri, 11 Sep 2026 15:23:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1x534t-0008JU-48; Fri, 11 Sep 2026 11:22:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x534d-0007yW-Cs; Fri, 11 Sep 2026 11:21:56 -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 1x534Z-0004l5-SN; Fri, 11 Sep 2026 11:21:55 -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 68BF1g2K2143845; Fri, 11 Sep 2026 15:21:44 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=5msSFBZFSz3QiEZHq quXq9/jt6MRDepF1uzVOiQ7gzw=; b=MISkPT6LzHK+sypP9+jwRxo3nX9LRP/zq nFevh/cYpeq/4wm1T33XivL5Y7GwATfHqowabw1G9xOTw5aoa3elw/0jtGV5Qxsl zlvT4ak/f+Vg5qyg6HW2Hu6TCg3T8t7kC2zZRlqI3gcC8g1DxsrsJPtnZhkPLZL4 CBNzjXpcNqUZnDm2j3xeQuVwMdf/QxVQd2Y0QEBF4tXJSv6O/Z8/5pBvoWOVOsGc qF8PUW9o55A08Y1OJ2/MpzTseM5XaSK2fyr4yRLnNIw0Lm965EO71sTDe2n/DExR 8Gk6w+suNlRSiBaOIraVWmxmR9cDNsTna3fKzcBocBlBRKLnRLmlQ== 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 4gkd8t480e-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Fri, 11 Sep 2026 15:21:44 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.11/8.18.1.11) with ESMTP id 68BEo8d91802524; Fri, 11 Sep 2026 15:21:43 GMT Received: from smtprelay01.wdc07v.mail.ibm.com ([172.16.1.68]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 4gkvtff29j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Sep 2026 15:21:43 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (smtpav01.dal12v.mail.ibm.com [10.241.53.100]) by smtprelay01.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 68BFLgdo7209780 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Sep 2026 15:21:42 GMT Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4DAD358061; Fri, 11 Sep 2026 15:21:42 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1806B58063; Fri, 11 Sep 2026 15:21:42 +0000 (GMT) Received: from WIN-DU0DFC9G5VV.atx-us.ibm.com (unknown [9.16.62.165]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 11 Sep 2026 15:21:42 +0000 (GMT) From: Konstantin Shkolnyy To: mjrosato@linux.ibm.com Cc: alifm@linux.ibm.com, farman@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 v8 10/16] s390x/pci: Move pba from S390PCIIOMMU to S390PCIBusDevice Date: Fri, 11 Sep 2026 10:21:31 -0500 Message-Id: <20260911152137.676602-11-kshk@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260911152137.676602-1-kshk@linux.ibm.com> References: <20260911152137.676602-1-kshk@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDIxMCBTYWx0ZWRfX/HJWgTaib4pH jEprXBKj5tOGB8ZgbzK+8/BbpWdMOKJarM7g6STJmcye7YZBJ2yHgGbiK2OWIHYMa/WC4QqV6dR A+HbfQm3C+e0MFzDozzHHu21s385568= X-Proofpoint-ORIG-GUID: GWzdVhoJyZ9NaKsfmzLYUVfvmH15WHkl X-Proofpoint-GUID: GWzdVhoJyZ9NaKsfmzLYUVfvmH15WHkl X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDIxMCBTYWx0ZWRfX6+mIsuUMHdIs eGh70Ig2knIM5mSi3zu+HeYDBBNx46oDwIlL/mJmbVHJpwPbC9AOEBxbUWHuT8ibMpOpCFytBCE 5LwYg4TnvXd6oikPeFk8cB566SIvn0Q/FHZNFM8ZGbTVGu/I+tkAVV7LiAxBrI9dpj8zKo11hRa bidbHp3u9iqHsrbiVAHZPmR2tA9fpu6W0XjVwt30FqSd6iX+vgI13NW7JcEyM4Rorlg1Rp6IbW7 A7K5D2qVS4UkCDGwR0SMvzRn7xXVGlY1wafhSn5ZeOUffO3hY3qI0dOZdLG5Fs3Toxw+bew1mGj p5AF+Kd0YjhyjQBwFfZMkreA1ie4VU0iNKIGImVn9veQYRYIRGtuPpGpbi10K1CWbkI7LBiLcOa 1DxwbZgrfKKe8iZsHdqpVDfNwm1L9cITpMXi27ZVUTLUDB5kxNigTlYQSb63pqii+TadKfvJB4z /UZA2KaL2h/MHLKPjRA== X-Authority-Analysis: v=2.4 cv=PIGaavqC c=1 sm=1 tr=0 ts=6aa41c88 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=THYS1zffzJpO_GefUMYA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_05,2026-09-11_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 bulkscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609110210 Received-SPF: pass client-ip=148.163.158.5; envelope-from=kshk@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This field is only used when S390PCIBusDevice exists, so it can be moved there to simplify S390PCIIOMMU towards a structure that contains only the IOMMU container information needed by the PCI layer for a given slot. This also allows to save/restore this field during migration. Reviewed-by: Farhan Ali Reviewed-by: Matthew Rosato Signed-off-by: Konstantin Shkolnyy --- hw/s390x/s390-pci-bus.c | 4 ++-- hw/s390x/s390-pci-inst.c | 10 +++++----- include/hw/s390x/s390-pci-bus.h | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index ec54eb64a6..6cf54b8ab6 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -565,7 +565,7 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRegion *mr, hwaddr addr, trace_s390_pci_iommu_xlate(addr); - if (addr < iommu->pba || addr > iommu->pal) { + if (addr < pbdev->pba || addr > iommu->pal) { error = ERR_EVENT_OORANGE; goto err; } @@ -602,7 +602,7 @@ static void s390_pci_ioat_replay(S390PCIBusDevice *pbdev) hwaddr curr, end; S390PCIIOMMU *iommu = pbdev->iommu; - curr = iommu->pba; + curr = pbdev->pba; end = iommu->pal; if (pbdev->dm_mr) { diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 22b477ab38..aa2bc98254 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -770,7 +770,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra) goto err; } - if (end < start || end < iommu->pba || start > iommu->pal) { + if (end < start || end < pbdev->pba || start > iommu->pal) { error = ERR_EVENT_OORANGE; goto err; } @@ -778,7 +778,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2, uintptr_t ra) * If the specified range at least partially overlaps the registered * aperture, clamp the request to the aperture and ignore the rest. */ - sstart = MAX(start, iommu->pba); + sstart = MAX(start, pbdev->pba); end = MIN(end, iommu->pal + 1); retry: @@ -1054,7 +1054,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib, return -EINVAL; } - iommu->pba = pba; + pbdev->pba = pba; iommu->pal = pal; pbdev->g_iota = g_iota; @@ -1071,7 +1071,7 @@ void pci_dereg_ioat(S390PCIBusDevice *pbdev) { S390PCIIOMMU *iommu = pbdev->iommu; s390_pci_iommu_disable(pbdev); - iommu->pba = 0; + pbdev->pba = 0; iommu->pal = 0; pbdev->g_iota = 0; } @@ -1444,7 +1444,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar, return 0; } - 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-bus.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; -- 2.34.1