From nobody Sun Feb 8 19:46:38 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1537520208242259.23795749082296; Fri, 21 Sep 2018 01:56:48 -0700 (PDT) Received: from localhost ([::1]:54590 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g3HF1-0005ue-5N for importer@patchew.org; Fri, 21 Sep 2018 04:56:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48887) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g3GhP-0006D0-Pg for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:22:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g3GhO-0000bA-OR for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:22:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54494) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g3GhI-0000Hn-UC; Fri, 21 Sep 2018 04:21:57 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 199A019CF61; Fri, 21 Sep 2018 08:21:56 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-87.ams2.redhat.com [10.36.117.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id C3D907D665; Fri, 21 Sep 2018 08:21:53 +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: Fri, 21 Sep 2018 10:18:19 +0200 Message-Id: <20180921081819.9203-29-eric.auger@redhat.com> In-Reply-To: <20180921081819.9203-1-eric.auger@redhat.com> References: <20180921081819.9203-1-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 21 Sep 2018 08:21:56 +0000 (UTC) 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 v2 28/28] hw/arm/smmuv3: Implement fault injection X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yi.l.liu@intel.com, cdall@kernel.org, mst@redhat.com, jean-philippe.brucker@arm.com, peterx@redhat.com, alex.williamson@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- Exhaustive mapping remains to be done --- hw/arm/smmuv3.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index ae27cfdfa0..7ecc6c9669 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1561,6 +1561,81 @@ smmuv3_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNoti= fier *n) { } =20 +static inline int +smmuv3_inject_faults(IOMMUMemoryRegion *iommu_mr, int count, + struct iommu_fault *buf) +{ + 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 {}; + + if (buf[i].type !=3D IOMMU_FAULT_DMA_UNRECOV) { + continue; + } + + info.sid =3D sid; + + switch (buf[i].reason) { + case IOMMU_FAULT_REASON_UNKNOWN: + case IOMMU_FAULT_REASON_INTERNAL: + break; + case IOMMU_FAULT_REASON_PASID_FETCH: + info.type =3D SMMU_EVT_F_CD_FETCH; + break; + case IOMMU_FAULT_REASON_DEVICE_CONTEXT_FETCH: + info.type =3D SMMU_EVT_F_STE_FETCH; + info.u.f_cd_fetch.addr =3D buf[i].fetch_addr; + 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_BAD_DEVICE_CONTEXT_ENTRY: + info.type =3D SMMU_EVT_C_BAD_STE; + /* TODO further fill info.u.f_ste_fetch */ + break; + 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_SOURCEID_INVALID: + info.type =3D SMMU_EVT_C_BAD_STREAMID; + /* TODO further fill info.u.c_bad_streamid */ + break; + case IOMMU_FAULT_REASON_WALK_EABT: + info.type =3D SMMU_EVT_F_WALK_EABT; + info.u.f_walk_eabt.addr =3D buf[i].addr; + info.u.f_walk_eabt.addr2 =3D buf[i].fetch_addr; + break; + case IOMMU_FAULT_REASON_PTE_FETCH: + info.type =3D SMMU_EVT_F_TRANSLATION; + info.u.f_translation.addr =3D buf[i].addr; + break; + case IOMMU_FAULT_REASON_PERMISSION: + info.type =3D SMMU_EVT_F_PERMISSION; + info.u.f_permission.addr =3D buf[i].addr; + break; + case IOMMU_FAULT_REASON_ACCESS: + info.type =3D SMMU_EVT_F_ACCESS; + info.u.f_access.addr =3D buf[i].addr; + break; + case IOMMU_FAULT_REASON_OOR_ADDRESS: + info.type =3D SMMU_EVT_F_ADDR_SIZE; + info.u.f_addr_size.addr =3D buf[i].addr; + break; + default: + break; + } + + smmuv3_record_event(s3, &info); + } + return 0; +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1570,6 +1645,7 @@ static void smmuv3_iommu_memory_region_class_init(Obj= ectClass *klass, imrc->notify_flag_changed =3D smmuv3_notify_flag_changed; imrc->get_attr =3D smmuv3_get_attr; imrc->replay =3D smmuv3_replay; + imrc->inject_faults =3D smmuv3_inject_faults; } =20 static const TypeInfo smmuv3_type_info =3D { --=20 2.17.1