From patchwork Fri Nov 22 18:29:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 1199600 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="Tgw4hJro"; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 47KQQq5GVMz9sPT for ; Sat, 23 Nov 2019 05:47:31 +1100 (AEDT) Received: from localhost ([::1]:54256 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYDxp-0000FB-7H for incoming@patchwork.ozlabs.org; Fri, 22 Nov 2019 13:47:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40309) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYDjM-0001us-6S for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:32:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iYDjJ-0000oF-La for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:32:32 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:34867 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iYDjH-0000o1-LB for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:32:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574447547; 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=FH18n8gL+YCFEKuqvhyl1UKyiT9gf7yTQQ3G6LrFWao=; b=Tgw4hJroTk/2sLcXadlsTvmXeJFrhFCEynh3nien5ahBr+lKX3kW8yvOvt53U7LiN11/2O qFS3gle891V91cuI/xWDsxgvfKPP1OPKO09m/pOA2pZg7liIcWzxwySkXIHkfHLTaIYXi8 9sLgCsgmoLWxa0emHxAvZThbkerq+fE= 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-191-zGnxj3RaNsWfCxjK8mi69A-1; Fri, 22 Nov 2019 13:32:26 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 055B31005502; Fri, 22 Nov 2019 18:32:24 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-37.ams2.redhat.com [10.36.116.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE40D6E712; Fri, 22 Nov 2019 18:32:14 +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, armbru@redhat.com, jean-philippe.brucker@arm.com, bharatb.linux@gmail.com, yang.zhong@intel.com, dgilbert@redhat.com, quintela@redhat.com Subject: [PATCH for-5.0 v11 20/20] tests: Add virtio-iommu test Date: Fri, 22 Nov 2019 19:29:43 +0100 Message-Id: <20191122182943.4656-21-eric.auger@redhat.com> In-Reply-To: <20191122182943.4656-1-eric.auger@redhat.com> References: <20191122182943.4656-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: zGnxj3RaNsWfCxjK8mi69A-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: kevin.tian@intel.com, peterx@redhat.com, tnowicki@marvell.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This adds the framework to test the virtio-iommu-pci device and tests exercising the attach/detach, map/unmap API. To run the tests: make tests/qos-test QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/qos-test V=1 Signed-off-by: Eric Auger --- tests/Makefile.include | 2 + tests/libqos/virtio-iommu.c | 177 ++++++++++++++++++++++++ tests/libqos/virtio-iommu.h | 45 +++++++ tests/virtio-iommu-test.c | 261 ++++++++++++++++++++++++++++++++++++ 4 files changed, 485 insertions(+) create mode 100644 tests/libqos/virtio-iommu.c create mode 100644 tests/libqos/virtio-iommu.h create mode 100644 tests/virtio-iommu-test.c diff --git a/tests/Makefile.include b/tests/Makefile.include index 8566f5f119..76a303c4fb 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -734,6 +734,7 @@ qos-test-obj-y += tests/libqos/virtio-net.o qos-test-obj-y += tests/libqos/virtio-pci.o qos-test-obj-y += tests/libqos/virtio-pci-modern.o qos-test-obj-y += tests/libqos/virtio-rng.o +qos-test-obj-y += tests/libqos/virtio-iommu.o qos-test-obj-y += tests/libqos/virtio-scsi.o qos-test-obj-y += tests/libqos/virtio-serial.o @@ -773,6 +774,7 @@ qos-test-obj-$(CONFIG_VIRTFS) += tests/virtio-9p-test.o qos-test-obj-y += tests/virtio-blk-test.o qos-test-obj-y += tests/virtio-net-test.o qos-test-obj-y += tests/virtio-rng-test.o +qos-test-obj-y += tests/virtio-iommu-test.o qos-test-obj-y += tests/virtio-scsi-test.o qos-test-obj-y += tests/virtio-serial-test.o qos-test-obj-y += tests/vmxnet3-test.o diff --git a/tests/libqos/virtio-iommu.c b/tests/libqos/virtio-iommu.c new file mode 100644 index 0000000000..b4e9ea44fb --- /dev/null +++ b/tests/libqos/virtio-iommu.c @@ -0,0 +1,177 @@ +/* + * libqos driver framework + * + * Copyright (c) 2018 Emanuele Giuseppe Esposito + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + */ + +#include "qemu/osdep.h" +#include "libqtest.h" +#include "qemu/module.h" +#include "libqos/qgraph.h" +#include "libqos/virtio-iommu.h" +#include "hw/virtio/virtio-iommu.h" + +static QGuestAllocator *alloc; + +/* virtio-iommu-device */ +static void *qvirtio_iommu_get_driver(QVirtioIOMMU *v_iommu, + const char *interface) +{ + if (!g_strcmp0(interface, "virtio-iommu")) { + return v_iommu; + } + if (!g_strcmp0(interface, "virtio")) { + return v_iommu->vdev; + } + + fprintf(stderr, "%s not present in virtio-iommu-device\n", interface); + g_assert_not_reached(); +} + +static void *qvirtio_iommu_device_get_driver(void *object, + const char *interface) +{ + QVirtioIOMMUDevice *v_iommu = object; + return qvirtio_iommu_get_driver(&v_iommu->iommu, interface); +} + +static void virtio_iommu_cleanup(QVirtioIOMMU *interface) +{ + qvirtqueue_cleanup(interface->vdev->bus, interface->vq, alloc); +} + +static void virtio_iommu_setup(QVirtioIOMMU *interface) +{ + QVirtioDevice *vdev = interface->vdev; + uint64_t features; + + features = qvirtio_get_features(vdev); + features &= ~(QVIRTIO_F_BAD_FEATURE | + (1ull << VIRTIO_RING_F_INDIRECT_DESC) | + (1ull << VIRTIO_RING_F_EVENT_IDX) | + (1ull << VIRTIO_IOMMU_F_BYPASS)); + qvirtio_set_features(vdev, features); + interface->vq = qvirtqueue_setup(interface->vdev, alloc, 0); + qvirtio_set_driver_ok(interface->vdev); +} + +static void qvirtio_iommu_device_destructor(QOSGraphObject *obj) +{ + QVirtioIOMMUDevice *v_iommu = (QVirtioIOMMUDevice *) obj; + QVirtioIOMMU *iommu = &v_iommu->iommu; + + virtio_iommu_cleanup(iommu); +} + +static void qvirtio_iommu_device_start_hw(QOSGraphObject *obj) +{ + QVirtioIOMMUDevice *v_iommu = (QVirtioIOMMUDevice *) obj; + QVirtioIOMMU *iommu = &v_iommu->iommu; + + virtio_iommu_setup(iommu); +} + +static void *virtio_iommu_device_create(void *virtio_dev, + QGuestAllocator *t_alloc, + void *addr) +{ + QVirtioIOMMUDevice *virtio_rdevice = g_new0(QVirtioIOMMUDevice, 1); + QVirtioIOMMU *interface = &virtio_rdevice->iommu; + + interface->vdev = virtio_dev; + alloc = t_alloc; + + virtio_rdevice->obj.get_driver = qvirtio_iommu_device_get_driver; + virtio_rdevice->obj.destructor = qvirtio_iommu_device_destructor; + virtio_rdevice->obj.start_hw = qvirtio_iommu_device_start_hw; + + return &virtio_rdevice->obj; +} + +/* virtio-iommu-pci */ +static void *qvirtio_iommu_pci_get_driver(void *object, const char *interface) +{ + QVirtioIOMMUPCI *v_iommu = object; + if (!g_strcmp0(interface, "pci-device")) { + return v_iommu->pci_vdev.pdev; + } + return qvirtio_iommu_get_driver(&v_iommu->iommu, interface); +} + +static void qvirtio_iommu_pci_destructor(QOSGraphObject *obj) +{ + QVirtioIOMMUPCI *iommu_pci = (QVirtioIOMMUPCI *) obj; + QVirtioIOMMU *interface = &iommu_pci->iommu; + QOSGraphObject *pci_vobj = &iommu_pci->pci_vdev.obj; + + virtio_iommu_cleanup(interface); + qvirtio_pci_destructor(pci_vobj); +} + +static void qvirtio_iommu_pci_start_hw(QOSGraphObject *obj) +{ + QVirtioIOMMUPCI *iommu_pci = (QVirtioIOMMUPCI *) obj; + QVirtioIOMMU *interface = &iommu_pci->iommu; + QOSGraphObject *pci_vobj = &iommu_pci->pci_vdev.obj; + + qvirtio_pci_start_hw(pci_vobj); + virtio_iommu_setup(interface); +} + + +static void *virtio_iommu_pci_create(void *pci_bus, QGuestAllocator *t_alloc, + void *addr) +{ + QVirtioIOMMUPCI *virtio_rpci = g_new0(QVirtioIOMMUPCI, 1); + QVirtioIOMMU *interface = &virtio_rpci->iommu; + QOSGraphObject *obj = &virtio_rpci->pci_vdev.obj; + + virtio_pci_init(&virtio_rpci->pci_vdev, pci_bus, addr); + interface->vdev = &virtio_rpci->pci_vdev.vdev; + alloc = t_alloc; + + obj->get_driver = qvirtio_iommu_pci_get_driver; + obj->start_hw = qvirtio_iommu_pci_start_hw; + obj->destructor = qvirtio_iommu_pci_destructor; + + return obj; +} + +static void virtio_iommu_register_nodes(void) +{ + QPCIAddress addr = { + .devfn = QPCI_DEVFN(4, 0), + }; + + QOSGraphEdgeOptions opts = { + .extra_device_opts = "addr=04.0", + }; + + /* virtio-iommu-device */ + qos_node_create_driver("virtio-iommu-device", virtio_iommu_device_create); + qos_node_consumes("virtio-iommu-device", "virtio-bus", NULL); + qos_node_produces("virtio-iommu-device", "virtio"); + qos_node_produces("virtio-iommu-device", "virtio-iommu"); + + /* virtio-iommu-pci */ + add_qpci_address(&opts, &addr); + qos_node_create_driver("virtio-iommu-pci", virtio_iommu_pci_create); + qos_node_consumes("virtio-iommu-pci", "pci-bus", &opts); + qos_node_produces("virtio-iommu-pci", "pci-device"); + qos_node_produces("virtio-iommu-pci", "virtio"); + qos_node_produces("virtio-iommu-pci", "virtio-iommu"); +} + +libqos_init(virtio_iommu_register_nodes); diff --git a/tests/libqos/virtio-iommu.h b/tests/libqos/virtio-iommu.h new file mode 100644 index 0000000000..6970b45a01 --- /dev/null +++ b/tests/libqos/virtio-iommu.h @@ -0,0 +1,45 @@ +/* + * libqos driver framework + * + * Copyright (c) 2018 Emanuele Giuseppe Esposito + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see + */ + +#ifndef TESTS_LIBQOS_VIRTIO_IOMMU_H +#define TESTS_LIBQOS_VIRTIO_IOMMU_H + +#include "libqos/qgraph.h" +#include "libqos/virtio.h" +#include "libqos/virtio-pci.h" + +typedef struct QVirtioIOMMU QVirtioIOMMU; +typedef struct QVirtioIOMMUPCI QVirtioIOMMUPCI; +typedef struct QVirtioIOMMUDevice QVirtioIOMMUDevice; + +struct QVirtioIOMMU { + QVirtioDevice *vdev; + QVirtQueue *vq; +}; + +struct QVirtioIOMMUPCI { + QVirtioPCIDevice pci_vdev; + QVirtioIOMMU iommu; +}; + +struct QVirtioIOMMUDevice { + QOSGraphObject obj; + QVirtioIOMMU iommu; +}; + +#endif diff --git a/tests/virtio-iommu-test.c b/tests/virtio-iommu-test.c new file mode 100644 index 0000000000..1d93d686bc --- /dev/null +++ b/tests/virtio-iommu-test.c @@ -0,0 +1,261 @@ +/* + * QTest testcase for VirtIO IOMMU + * + * Copyright (c) 2014 SUSE LINUX Products GmbH + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "libqtest-single.h" +#include "qemu/module.h" +#include "libqos/qgraph.h" +#include "libqos/virtio-iommu.h" +#include "hw/virtio/virtio-iommu.h" + +#define PCI_SLOT_HP 0x06 +#define QVIRTIO_IOMMU_TIMEOUT_US (30 * 1000 * 1000) + +static QGuestAllocator *alloc; + +static void iommu_hotplug(void *obj, void *data, QGuestAllocator *alloc) +{ + QVirtioPCIDevice *dev = obj; + QTestState *qts = dev->pdev->bus->qts; + + qtest_qmp_device_add(qts, "virtio-iommu-pci", "iommu1", + "{'addr': %s}", stringify(PCI_SLOT_HP)); + +} + +static void pci_config(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtioIOMMU *v_iommu = obj; + QVirtioDevice *dev = v_iommu->vdev; + uint64_t input_range_start = qvirtio_config_readq(dev, 8); + uint64_t input_range_end = qvirtio_config_readq(dev, 16); + uint32_t domain_range_start = qvirtio_config_readl(dev, 24); + uint32_t domain_range_end = qvirtio_config_readl(dev, 28); + uint32_t probe_size = qvirtio_config_readl(dev, 32); + + g_assert_cmpint(input_range_start, ==, 0); + g_assert_cmphex(input_range_end, ==, 0xFFFFFFFFFFFFFFFF); + g_assert_cmpint(domain_range_start, ==, 0); + g_assert_cmpint(domain_range_end, ==, 32); + g_assert_cmphex(probe_size, ==, 0x200); +} + +/** + * send_attach_detach - Send an attach/detach command to the device + * @type: VIRTIO_IOMMU_T_ATTACH/VIRTIO_IOMMU_T_DETACH + * @domain: domain the end point is attached to + * @ep: end-point + */ +static int send_attach_detach(QTestState *qts, QVirtioIOMMU *v_iommu, + uint8_t type, uint32_t domain, uint32_t ep) +{ + QVirtioDevice *dev = v_iommu->vdev; + QVirtQueue *vq = v_iommu->vq; + uint64_t ro_addr, wr_addr; + uint32_t free_head; + struct virtio_iommu_req_attach req; /* same layout as detach */ + size_t ro_size = sizeof(req) - sizeof(struct virtio_iommu_req_tail); + size_t wr_size = sizeof(struct virtio_iommu_req_tail); + char buffer[64]; + int ret; + + req.head.type = type; + req.domain = domain; + req.endpoint = ep; + + ro_addr = guest_alloc(alloc, ro_size); + wr_addr = guest_alloc(alloc, wr_size); + + qtest_memwrite(qts, ro_addr, &req, ro_size); + free_head = qvirtqueue_add(qts, vq, ro_addr, ro_size, false, true); + qvirtqueue_add(qts, vq, wr_addr, wr_size, true, false); + qvirtqueue_kick(qts, dev, vq, free_head); + qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL, + QVIRTIO_IOMMU_TIMEOUT_US); + qtest_memread(qts, wr_addr, buffer, wr_size); + ret = ((struct virtio_iommu_req_tail *)buffer)->status; + guest_free(alloc, ro_addr); + guest_free(alloc, wr_addr); + return ret; +} + +/** + * send_map - Send a map command to the device + * @domain: domain the new binding is attached to + * @virt_start: iova start + * @virt_end: iova end + * @phys_start: base physical address + * @flags: mapping flags + */ +static int send_map(QTestState *qts, QVirtioIOMMU *v_iommu, + uint32_t domain, uint64_t virt_start, uint64_t virt_end, + uint64_t phys_start, uint32_t flags) +{ + QVirtioDevice *dev = v_iommu->vdev; + QVirtQueue *vq = v_iommu->vq; + uint64_t ro_addr, wr_addr; + uint32_t free_head; + struct virtio_iommu_req_map req; + size_t ro_size = sizeof(req) - sizeof(struct virtio_iommu_req_tail); + size_t wr_size = sizeof(struct virtio_iommu_req_tail); + char buffer[64]; + int ret; + + req.head.type = VIRTIO_IOMMU_T_MAP; + req.domain = domain; + req.virt_start = virt_start; + req.virt_end = virt_end; + req.phys_start = phys_start; + req.flags = flags; + + ro_addr = guest_alloc(alloc, ro_size); + wr_addr = guest_alloc(alloc, wr_size); + + qtest_memwrite(qts, ro_addr, &req, ro_size); + free_head = qvirtqueue_add(qts, vq, ro_addr, ro_size, false, true); + qvirtqueue_add(qts, vq, wr_addr, wr_size, true, false); + qvirtqueue_kick(qts, dev, vq, free_head); + qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL, + QVIRTIO_IOMMU_TIMEOUT_US); + memread(wr_addr, buffer, wr_size); + ret = ((struct virtio_iommu_req_tail *)buffer)->status; + guest_free(alloc, ro_addr); + guest_free(alloc, wr_addr); + return ret; +} + +/** + * send_unmap - Send an unmap command to the device + * @domain: domain the new binding is attached to + * @virt_start: iova start + * @virt_end: iova end + */ +static int send_unmap(QTestState *qts, QVirtioIOMMU *v_iommu, + uint32_t domain, uint64_t virt_start, uint64_t virt_end) +{ + QVirtioDevice *dev = v_iommu->vdev; + QVirtQueue *vq = v_iommu->vq; + uint64_t ro_addr, wr_addr; + uint32_t free_head; + struct virtio_iommu_req_unmap req; + size_t ro_size = sizeof(req) - sizeof(struct virtio_iommu_req_tail); + size_t wr_size = sizeof(struct virtio_iommu_req_tail); + char buffer[64]; + int ret; + + req.head.type = VIRTIO_IOMMU_T_UNMAP; + req.domain = domain; + req.virt_start = virt_start; + req.virt_end = virt_end; + + ro_addr = guest_alloc(alloc, ro_size); + wr_addr = guest_alloc(alloc, wr_size); + + qtest_memwrite(qts, ro_addr, &req, ro_size); + free_head = qvirtqueue_add(qts, vq, ro_addr, ro_size, false, true); + qvirtqueue_add(qts, vq, wr_addr, wr_size, true, false); + qvirtqueue_kick(qts, dev, vq, free_head); + qvirtio_wait_used_elem(qts, dev, vq, free_head, NULL, + QVIRTIO_IOMMU_TIMEOUT_US); + memread(wr_addr, buffer, wr_size); + ret = ((struct virtio_iommu_req_tail *)buffer)->status; + guest_free(alloc, ro_addr); + guest_free(alloc, wr_addr); + return ret; +} + +/* Test unmap scenari documented in the spec v0.12 */ +static void test_attach_detach(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtioIOMMU *v_iommu = obj; + QTestState *qts = global_qtest; + int ret; + + alloc = t_alloc; + + /* type, domain, ep */ + ret = send_attach_detach(qts, v_iommu, VIRTIO_IOMMU_T_ATTACH, 0, 0); + g_assert_cmpint(ret, ==, 0); + ret = send_attach_detach(qts, v_iommu, VIRTIO_IOMMU_T_ATTACH, 1, 2); + g_assert_cmpint(ret, ==, 0); + ret = send_attach_detach(qts, v_iommu, VIRTIO_IOMMU_T_ATTACH, 1, 2); + g_assert_cmpint(ret, ==, 0); + ret = send_attach_detach(qts, v_iommu, VIRTIO_IOMMU_T_ATTACH, 0, 2); + g_assert_cmpint(ret, ==, 0); + + /* domain, virt start, virt end, phys start, flags */ + ret = send_map(qts, v_iommu, 0, 0, 0xFFF, 0xa1000, VIRTIO_IOMMU_MAP_F_READ); + g_assert_cmpint(ret, ==, 0); + + ret = send_unmap(qts, v_iommu, 4, 0x10, 0xFFF); + g_assert_cmpint(ret, ==, VIRTIO_IOMMU_S_NOENT); + + ret = send_unmap(qts, v_iommu, 0, 0x10, 0xFFF); + g_assert_cmpint(ret, ==, VIRTIO_IOMMU_S_RANGE); + + /* Spec example sequence */ + + /* 1 */ + ret = send_unmap(qts, v_iommu, 1, 0, 4); + g_assert_cmpint(ret, ==, 0); /* doesn't unmap anything */ + + /* 2 */ + send_map(qts, v_iommu, 1, 0, 9, 0xa1000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 9); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,9] */ + + /* 3 */ + send_map(qts, v_iommu, 1, 0, 4, 0xb1000, VIRTIO_IOMMU_MAP_F_READ); + send_map(qts, v_iommu, 1, 5, 9, 0xb2000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 9); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,4] and [5,9] */ + + /* 4 */ + send_map(qts, v_iommu, 1, 0, 9, 0xc1000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 4); + g_assert_cmpint(ret, ==, VIRTIO_IOMMU_S_RANGE); /* doesn't unmap anything */ + + ret = send_unmap(qts, v_iommu, 1, 0, 10); + g_assert_cmpint(ret, ==, 0); + + /* 5 */ + send_map(qts, v_iommu, 1, 0, 4, 0xd1000, VIRTIO_IOMMU_MAP_F_READ); + send_map(qts, v_iommu, 1, 5, 9, 0xd2000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 4); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,4] */ + + ret = send_unmap(qts, v_iommu, 1, 5, 9); + g_assert_cmpint(ret, ==, 0); + + /* 6 */ + send_map(qts, v_iommu, 1, 0, 4, 0xe2000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 9); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,4] */ + + /* 7 */ + send_map(qts, v_iommu, 1, 0, 4, 0xf2000, VIRTIO_IOMMU_MAP_F_READ); + send_map(qts, v_iommu, 1, 10, 14, 0xf3000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 14); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,4] and [10,14] */ + + send_unmap(qts, v_iommu, 1, 0, 100); + send_map(qts, v_iommu, 1, 10, 14, 0xf3000, VIRTIO_IOMMU_MAP_F_READ); + send_map(qts, v_iommu, 1, 0, 4, 0xf2000, VIRTIO_IOMMU_MAP_F_READ); + ret = send_unmap(qts, v_iommu, 1, 0, 4); + g_assert_cmpint(ret, ==, 0); /* unmaps [0,4] and [10,14] */ +} + +static void register_virtio_iommu_test(void) +{ + qos_add_test("hotplug", "virtio-iommu-pci", iommu_hotplug, NULL); + qos_add_test("config", "virtio-iommu", pci_config, NULL); + qos_add_test("attach_detach", "virtio-iommu", test_attach_detach, NULL); +} + +libqos_init(register_virtio_iommu_test);