From patchwork Mon May 27 11:42:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 10962851 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7665B14C0 for ; Mon, 27 May 2019 12:07:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 66CDA283C3 for ; Mon, 27 May 2019 12:07:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 59F6A2892E; Mon, 27 May 2019 12:07:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7E56A2875F for ; Mon, 27 May 2019 12:07:35 +0000 (UTC) Received: from localhost ([127.0.0.1]:44582 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVEPe-0005e3-Nj for patchwork-qemu-devel@patchwork.kernel.org; Mon, 27 May 2019 08:07:34 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38917) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVE4a-0005WD-3P for qemu-devel@nongnu.org; Mon, 27 May 2019 07:45:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVE4Y-0005ak-Gq for qemu-devel@nongnu.org; Mon, 27 May 2019 07:45:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38712) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hVE4U-00057x-N5; Mon, 27 May 2019 07:45:43 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CB2013092661; Mon, 27 May 2019 11:45:06 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-67.ams2.redhat.com [10.36.116.67]) by smtp.corp.redhat.com (Postfix) with ESMTP id CD2A35D962; Mon, 27 May 2019 11:45:01 +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: Mon, 27 May 2019 13:42:00 +0200 Message-Id: <20190527114203.2762-25-eric.auger@redhat.com> In-Reply-To: <20190527114203.2762-1-eric.auger@redhat.com> References: <20190527114203.2762-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Mon, 27 May 2019 11:45:06 +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 v4 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: 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 a697968ace..4b6480bec0 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1549,6 +1549,76 @@ smmuv3_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n) { } +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) { @@ -1558,6 +1628,7 @@ static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, imrc->notify_flag_changed = smmuv3_notify_flag_changed; imrc->get_attr = smmuv3_get_attr; imrc->replay = smmuv3_replay; + imrc->inject_faults = smmuv3_inject_faults; } static const TypeInfo smmuv3_type_info = {