From nobody Mon Feb 9 09:51:58 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1555064468; cv=none; d=zoho.com; s=zohoarc; b=W2IWCnVs38zfTAuc9XEiG3GwRTXkwtS/Z255Shnkwty8QJnFvjBx+VDa/dQSbEOTtAW3NfeM/U1RYbDm/v6iZmCnZ9YVxS+Bvv3//yAzx/AerdNnypSTbaIZEFsjhcWgyqm6BDPvImWKTvxnGuviH2+fmfd1dPw+Lpm+GqWHJuo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555064468; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=D6806+p8u7Y+oBNRbObNo/Eb6EMRowQRyV0raJsWi3o=; b=m5QzWMICMXA8RfywcjsSykyNk9jMXDil+FjwES1C1BoYhuF0433X/VupM9ll/nHKU5V7pL1ZoXy6HIwG//j4qA0qMi7X64HY0RFIuirE/aaVc5jpVIJlz3iSWLyEsCfSgEmFg2N2f3EpYH/jbc8wp8IEt+Cm+WTm2E+0+9aV1Eo= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555064468606856.1933866736831; Fri, 12 Apr 2019 03:21:08 -0700 (PDT) Received: from localhost ([127.0.0.1]:33795 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEtIu-0007So-Iv for importer@patchew.org; Fri, 12 Apr 2019 06:21:04 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38847) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEt59-0003NM-6d for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:06:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hEt58-0005Sn-6i for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:06:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54976) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hEt55-0005Qh-HF; Fri, 12 Apr 2019 06:06:47 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AE2E53082E5F; Fri, 12 Apr 2019 10:06:46 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-161.ams2.redhat.com [10.36.117.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 216D519C65; Fri, 12 Apr 2019 10:06:43 +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, 12 Apr 2019 12:03:51 +0200 Message-Id: <20190412100354.6409-25-eric.auger@redhat.com> In-Reply-To: <20190412100354.6409-1-eric.auger@redhat.com> References: <20190412100354.6409-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Fri, 12 Apr 2019 10:06:46 +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 v3 24/27] 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, mst@redhat.com, jean-philippe.brucker@arm.com, peterx@redhat.com, alex.williamson@redhat.com, vincent.stehle@arm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" 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 | 65 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index a7e48e7972..ddd6564001 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1545,6 +1545,70 @@ 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 {}; + 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; +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1554,6 +1618,7 @@ 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 2.20.1