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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28D97C71142 for ; Thu, 11 Jul 2019 17:35:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 000AE2084B for ; Thu, 11 Jul 2019 17:35:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 000AE2084B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44052 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hlcyy-0002KB-6v for qemu-devel@archiver.kernel.org; Thu, 11 Jul 2019 13:35:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35282) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hlcw5-0008Jd-8I for qemu-devel@nongnu.org; Thu, 11 Jul 2019 13:32:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hlcw3-00053g-M1 for qemu-devel@nongnu.org; Thu, 11 Jul 2019 13:32:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59950) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hlcvv-0004rJ-Hh; Thu, 11 Jul 2019 13:32:41 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5E45C59449; Thu, 11 Jul 2019 17:32:37 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-46.ams2.redhat.com [10.36.116.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6CDEB5C559; Thu, 11 Jul 2019 17:32:34 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Thu, 11 Jul 2019 19:28:44 +0200 Message-Id: <20190711172845.31035-29-eric.auger@redhat.com> In-Reply-To: <20190711172845.31035-1-eric.auger@redhat.com> References: <20190711172845.31035-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Thu, 11 Jul 2019 17:32:37 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v4 28/29] hw/arm/smmuv3: Implement fault injection X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, yi.l.liu@intel.com, mst@redhat.com, jean-philippe.brucker@arm.com, zhangfei.gao@foxmail.com, peterx@redhat.com, alex.williamson@redhat.com, vincent.stehle@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We convert iommu_fault structs received from the kernel into the data struct used by the emulation code and record the evnts into the virtual event queue. Signed-off-by: Eric Auger --- v3 -> v4: - fix compil issue on mingw Exhaustive mapping remains to be done --- hw/arm/smmuv3.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index 4474682a33..bca7ecb147 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1553,6 +1553,76 @@ static int smmuv3_get_attr(IOMMUMemoryRegion *iomm= u, return -EINVAL; } =20 +struct iommu_fault; + +static inline int +smmuv3_inject_faults(IOMMUMemoryRegion *iommu_mr, int count, + struct iommu_fault *buf) +{ +#ifdef __linux__ + SMMUDevice *sdev =3D container_of(iommu_mr, SMMUDevice, iommu); + SMMUv3State *s3 =3D sdev->smmu; + uint32_t sid =3D smmu_get_sid(sdev); + int i; + + for (i =3D 0; i < count; i++) { + SMMUEventInfo info =3D {}; + struct iommu_fault_unrecoverable *record; + + if (buf[i].type !=3D IOMMU_FAULT_DMA_UNRECOV) { + continue; + } + + info.sid =3D sid; + record =3D &buf[i].event; + + switch (record->reason) { + case IOMMU_FAULT_REASON_PASID_INVALID: + info.type =3D SMMU_EVT_C_BAD_SUBSTREAMID; + /* TODO further fill info.u.c_bad_substream */ + break; + case IOMMU_FAULT_REASON_PASID_FETCH: + info.type =3D SMMU_EVT_F_CD_FETCH; + break; + case IOMMU_FAULT_REASON_BAD_PASID_ENTRY: + info.type =3D SMMU_EVT_C_BAD_CD; + /* TODO further fill info.u.c_bad_cd */ + break; + case IOMMU_FAULT_REASON_WALK_EABT: + info.type =3D SMMU_EVT_F_WALK_EABT; + info.u.f_walk_eabt.addr =3D record->addr; + info.u.f_walk_eabt.addr2 =3D record->fetch_addr; + break; + case IOMMU_FAULT_REASON_PTE_FETCH: + info.type =3D SMMU_EVT_F_TRANSLATION; + info.u.f_translation.addr =3D record->addr; + break; + case IOMMU_FAULT_REASON_OOR_ADDRESS: + info.type =3D SMMU_EVT_F_ADDR_SIZE; + info.u.f_addr_size.addr =3D record->addr; + break; + case IOMMU_FAULT_REASON_ACCESS: + info.type =3D SMMU_EVT_F_ACCESS; + info.u.f_access.addr =3D record->addr; + break; + case IOMMU_FAULT_REASON_PERMISSION: + info.type =3D SMMU_EVT_F_PERMISSION; + info.u.f_permission.addr =3D record->addr; + break; + default: + warn_report("%s Unexpected fault reason received from host: = %d", + __func__, record->reason); + continue; + } + + smmuv3_record_event(s3, &info); + } + return 0; +#else + return -1; +#endif +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1561,6 +1631,7 @@ static void smmuv3_iommu_memory_region_class_init(O= bjectClass *klass, imrc->translate =3D smmuv3_translate; imrc->notify_flag_changed =3D smmuv3_notify_flag_changed; imrc->get_attr =3D smmuv3_get_attr; + imrc->inject_faults =3D smmuv3_inject_faults; } =20 static const TypeInfo smmuv3_type_info =3D { --=20 2.20.1