From patchwork Fri Mar 20 16:58:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 11449953 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F062B17E6 for ; Fri, 20 Mar 2020 17:15:07 +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 C72C520777 for ; Fri, 20 Mar 2020 17:15:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JkKyj4xs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C72C520777 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:56608 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFLEg-0002PD-UY for patchwork-qemu-devel@patchwork.kernel.org; Fri, 20 Mar 2020 13:15:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55772) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFL3s-0001cE-6c for qemu-devel@nongnu.org; Fri, 20 Mar 2020 13:03:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jFL3q-0000ni-VA for qemu-devel@nongnu.org; Fri, 20 Mar 2020 13:03:56 -0400 Received: from us-smtp-delivery-74.mimecast.com ([63.128.21.74]:44565) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jFL3q-0000m8-RQ for qemu-devel@nongnu.org; Fri, 20 Mar 2020 13:03:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584723833; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JWww6+PqmJiAFIVmlvqtkmV1JZxTd/zcad5G5lbKagI=; b=JkKyj4xsWJ5NY81+uPu5KxECysZoR3rIHNq5W30Ts1ZCpB7vh6ZN2ZEvZ8AZWBpw+ZEqWJ 1wIIRTCFfCLMH1wKPnE0bNCyXBOUrpK1u7bFh5zVaKp9FcNopv5BdkrOuWeBbrd+HlyLue f7l2L8ajUX448fK37l7LQzFpUNFS/uE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-36-c8zM9QDVOAmhH37NbACyAQ-1; Fri, 20 Mar 2020 13:03:50 -0400 X-MC-Unique: c8zM9QDVOAmhH37NbACyAQ-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3FF16100550E; Fri, 20 Mar 2020 17:03:48 +0000 (UTC) Received: from laptop.redhat.com (ovpn-113-142.ams2.redhat.com [10.36.113.142]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7338D19488; Fri, 20 Mar 2020 17:03:36 +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, mst@redhat.com, alex.williamson@redhat.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com Subject: [RFC v6 23/24] hw/arm/smmuv3: Implement fault injection Date: Fri, 20 Mar 2020 17:58:39 +0100 Message-Id: <20200320165840.30057-24-eric.auger@redhat.com> In-Reply-To: <20200320165840.30057-1-eric.auger@redhat.com> References: <20200320165840.30057-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 63.128.21.74 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: jean-philippe@linaro.org, tnowicki@marvell.com, maz@kernel.org, zhangfei.gao@foxmail.com, peterx@redhat.com, shameerali.kolothum.thodi@huawei.com, zhangfei.gao@linaro.org, bbhushan2@marvell.com, will@kernel.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 7a805030e2..6db3d2f218 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1569,6 +1569,76 @@ static int smmuv3_get_attr(IOMMUMemoryRegion *iommu, return -EINVAL; } +struct iommu_fault; + +static inline int +smmuv3_inject_faults(IOMMUMemoryRegion *iommu_mr, int count, + struct iommu_fault *buf) +{ +#ifdef __linux__ + SMMUDevice *sdev = container_of(iommu_mr, SMMUDevice, iommu); + SMMUv3State *s3 = sdev->smmu; + uint32_t sid = smmu_get_sid(sdev); + int i; + + for (i = 0; i < count; i++) { + SMMUEventInfo info = {}; + struct iommu_fault_unrecoverable *record; + + if (buf[i].type != IOMMU_FAULT_DMA_UNRECOV) { + continue; + } + + info.sid = sid; + record = &buf[i].event; + + switch (record->reason) { + case IOMMU_FAULT_REASON_PASID_INVALID: + info.type = SMMU_EVT_C_BAD_SUBSTREAMID; + /* TODO further fill info.u.c_bad_substream */ + break; + case IOMMU_FAULT_REASON_PASID_FETCH: + info.type = SMMU_EVT_F_CD_FETCH; + break; + case IOMMU_FAULT_REASON_BAD_PASID_ENTRY: + info.type = SMMU_EVT_C_BAD_CD; + /* TODO further fill info.u.c_bad_cd */ + break; + case IOMMU_FAULT_REASON_WALK_EABT: + info.type = SMMU_EVT_F_WALK_EABT; + info.u.f_walk_eabt.addr = record->addr; + info.u.f_walk_eabt.addr2 = record->fetch_addr; + break; + case IOMMU_FAULT_REASON_PTE_FETCH: + info.type = SMMU_EVT_F_TRANSLATION; + info.u.f_translation.addr = record->addr; + break; + case IOMMU_FAULT_REASON_OOR_ADDRESS: + info.type = SMMU_EVT_F_ADDR_SIZE; + info.u.f_addr_size.addr = record->addr; + break; + case IOMMU_FAULT_REASON_ACCESS: + info.type = SMMU_EVT_F_ACCESS; + info.u.f_access.addr = record->addr; + break; + case IOMMU_FAULT_REASON_PERMISSION: + info.type = SMMU_EVT_F_PERMISSION; + info.u.f_permission.addr = 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) { @@ -1577,6 +1647,7 @@ static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, imrc->translate = smmuv3_translate; imrc->notify_flag_changed = smmuv3_notify_flag_changed; imrc->get_attr = smmuv3_get_attr; + imrc->inject_faults = smmuv3_inject_faults; } static const TypeInfo smmuv3_type_info = {