From patchwork Wed Jun 28 10:05:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Milan Zamazal X-Patchwork-Id: 13295505 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 1676AEB64DC for ; Wed, 28 Jun 2023 10:07:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qES4K-0008Fo-GB; Wed, 28 Jun 2023 06:06:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qES4H-0008Ey-HX for qemu-devel@nongnu.org; Wed, 28 Jun 2023 06:06:34 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qES4F-0005hI-DC for qemu-devel@nongnu.org; Wed, 28 Jun 2023 06:06:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687946788; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7WvHbSVCENCAKAx0VFknqsIza+n04gIvqgoTrRgm/Cc=; b=h0dKDBXSD8gsf3AMxrQlGW7HAeQy7HJ21vN88QJhBmV+NCXCBQkImUWuGCM62/9q27gs/w 9tjQojysJBbvW6b0mdMT3s0jA4JSCs1C/xQ7oPIbIANmbaET78fqzq6d9918o7Ysl+Wvhn AZlJbHC7oBRFbcjQFbWDDISDb1Spiac= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-507-4ASaXNjAM4-kHxWKTYR9CQ-1; Wed, 28 Jun 2023 06:06:26 -0400 X-MC-Unique: 4ASaXNjAM4-kHxWKTYR9CQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 36BF9104458E; Wed, 28 Jun 2023 10:06:26 +0000 (UTC) Received: from nuthatch.redhat.com (unknown [10.45.226.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id ED0EF15230A0; Wed, 28 Jun 2023 10:06:24 +0000 (UTC) From: Milan Zamazal To: qemu-devel@nongnu.org Cc: Milan Zamazal , mst@redhat.com, stefanha@redhat.com, alex.bennee@linaro.org, thuth@redhat.com, vincent.guittot@linaro.org Subject: [PATCH v3 3/3] tests/qtest: enable tests for virtio-scmi Date: Wed, 28 Jun 2023 12:05:24 +0200 Message-Id: <20230628100524.342666-4-mzamazal@redhat.com> In-Reply-To: <20230628100524.342666-1-mzamazal@redhat.com> References: <20230628100524.342666-1-mzamazal@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass client-ip=170.10.129.124; envelope-from=mzamazal@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org We don't have a virtio-scmi implementation in QEMU and only support a vhost-user backend. This is very similar to virtio-gpio and we add the same set of tests, just passing some vhost-user messages over the control socket. Signed-off-by: Milan Zamazal Acked-by: Thomas Huth --- MAINTAINERS | 1 + tests/qtest/libqos/meson.build | 1 + tests/qtest/libqos/virtio-scmi.c | 174 +++++++++++++++++++++++++++++++ tests/qtest/libqos/virtio-scmi.h | 34 ++++++ tests/qtest/vhost-user-test.c | 44 ++++++++ 5 files changed, 254 insertions(+) create mode 100644 tests/qtest/libqos/virtio-scmi.c create mode 100644 tests/qtest/libqos/virtio-scmi.h diff --git a/MAINTAINERS b/MAINTAINERS index 7ddb8268fe..ad58de4df9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2215,6 +2215,7 @@ R: mzamazal@redhat.com S: Supported F: hw/virtio/vhost-user-scmi* F: include/hw/virtio/vhost-user-scmi.h +F: tests/qtest/libqos/virtio-scmi.* virtio-crypto M: Gonglei diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index cc209a8de5..90aae42a22 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -46,6 +46,7 @@ libqos_srcs = files( 'virtio-serial.c', 'virtio-iommu.c', 'virtio-gpio.c', + 'virtio-scmi.c', 'generic-pcihost.c', # qgraph machines: diff --git a/tests/qtest/libqos/virtio-scmi.c b/tests/qtest/libqos/virtio-scmi.c new file mode 100644 index 0000000000..ce8f4d5c06 --- /dev/null +++ b/tests/qtest/libqos/virtio-scmi.c @@ -0,0 +1,174 @@ +/* + * virtio-scmi nodes for testing + * + * SPDX-FileCopyrightText: Linaro Ltd + * SPDX-FileCopyrightText: Red Hat, Inc. + * SPDX-License-Identifier: GPL-2.0-or-later + * + * Based on virtio-gpio.c, doing basically the same thing. + */ + +#include "qemu/osdep.h" +#include "standard-headers/linux/virtio_config.h" +#include "../libqtest.h" +#include "qemu/module.h" +#include "qgraph.h" +#include "virtio-scmi.h" + +static QGuestAllocator *alloc; + +static void virtio_scmi_cleanup(QVhostUserSCMI *scmi) +{ + QVirtioDevice *vdev = scmi->vdev; + int i; + + for (i = 0; i < 2; i++) { + qvirtqueue_cleanup(vdev->bus, scmi->queues[i], alloc); + } + g_free(scmi->queues); +} + +/* + * This handles the VirtIO setup from the point of view of the driver + * frontend and therefore doesn't present any vhost specific features + * and in fact masks of the re-used bit. + */ +static void virtio_scmi_setup(QVhostUserSCMI *scmi) +{ + QVirtioDevice *vdev = scmi->vdev; + uint64_t features; + int i; + + features = qvirtio_get_features(vdev); + features &= ~QVIRTIO_F_BAD_FEATURE; + qvirtio_set_features(vdev, features); + + scmi->queues = g_new(QVirtQueue *, 2); + for (i = 0; i < 2; i++) { + scmi->queues[i] = qvirtqueue_setup(vdev, alloc, i); + } + qvirtio_set_driver_ok(vdev); +} + +static void *qvirtio_scmi_get_driver(QVhostUserSCMI *v_scmi, + const char *interface) +{ + if (!g_strcmp0(interface, "vhost-user-scmi")) { + return v_scmi; + } + if (!g_strcmp0(interface, "virtio")) { + return v_scmi->vdev; + } + + g_assert_not_reached(); +} + +static void *qvirtio_scmi_device_get_driver(void *object, + const char *interface) +{ + QVhostUserSCMIDevice *v_scmi = object; + return qvirtio_scmi_get_driver(&v_scmi->scmi, interface); +} + +/* virtio-scmi (mmio) */ +static void qvirtio_scmi_device_destructor(QOSGraphObject *obj) +{ + QVhostUserSCMIDevice *scmi_dev = (QVhostUserSCMIDevice *) obj; + virtio_scmi_cleanup(&scmi_dev->scmi); +} + +static void qvirtio_scmi_device_start_hw(QOSGraphObject *obj) +{ + QVhostUserSCMIDevice *scmi_dev = (QVhostUserSCMIDevice *) obj; + virtio_scmi_setup(&scmi_dev->scmi); +} + +static void *virtio_scmi_device_create(void *virtio_dev, + QGuestAllocator *t_alloc, + void *addr) +{ + QVhostUserSCMIDevice *virtio_device = g_new0(QVhostUserSCMIDevice, 1); + QVhostUserSCMI *interface = &virtio_device->scmi; + + interface->vdev = virtio_dev; + alloc = t_alloc; + + virtio_device->obj.get_driver = qvirtio_scmi_device_get_driver; + virtio_device->obj.start_hw = qvirtio_scmi_device_start_hw; + virtio_device->obj.destructor = qvirtio_scmi_device_destructor; + + return &virtio_device->obj; +} + +/* virtio-scmi-pci */ +static void qvirtio_scmi_pci_destructor(QOSGraphObject *obj) +{ + QVhostUserSCMIPCI *scmi_pci = (QVhostUserSCMIPCI *) obj; + QOSGraphObject *pci_vobj = &scmi_pci->pci_vdev.obj; + + virtio_scmi_cleanup(&scmi_pci->scmi); + qvirtio_pci_destructor(pci_vobj); +} + +static void qvirtio_scmi_pci_start_hw(QOSGraphObject *obj) +{ + QVhostUserSCMIPCI *scmi_pci = (QVhostUserSCMIPCI *) obj; + QOSGraphObject *pci_vobj = &scmi_pci->pci_vdev.obj; + + qvirtio_pci_start_hw(pci_vobj); + virtio_scmi_setup(&scmi_pci->scmi); +} + +static void *qvirtio_scmi_pci_get_driver(void *object, const char *interface) +{ + QVhostUserSCMIPCI *v_scmi = object; + + if (!g_strcmp0(interface, "pci-device")) { + return v_scmi->pci_vdev.pdev; + } + return qvirtio_scmi_get_driver(&v_scmi->scmi, interface); +} + +static void *virtio_scmi_pci_create(void *pci_bus, QGuestAllocator *t_alloc, + void *addr) +{ + QVhostUserSCMIPCI *virtio_spci = g_new0(QVhostUserSCMIPCI, 1); + QVhostUserSCMI *interface = &virtio_spci->scmi; + QOSGraphObject *obj = &virtio_spci->pci_vdev.obj; + + virtio_pci_init(&virtio_spci->pci_vdev, pci_bus, addr); + interface->vdev = &virtio_spci->pci_vdev.vdev; + alloc = t_alloc; + + obj->get_driver = qvirtio_scmi_pci_get_driver; + obj->start_hw = qvirtio_scmi_pci_start_hw; + obj->destructor = qvirtio_scmi_pci_destructor; + + return obj; +} + +static void virtio_scmi_register_nodes(void) +{ + QPCIAddress addr = { + .devfn = QPCI_DEVFN(4, 0), + }; + + QOSGraphEdgeOptions edge_opts = { }; + + /* vhost-user-scmi-device */ + edge_opts.extra_device_opts = "id=scmi,chardev=chr-vhost-user-test " + "-global virtio-mmio.force-legacy=false"; + qos_node_create_driver("vhost-user-scmi-device", + virtio_scmi_device_create); + qos_node_consumes("vhost-user-scmi-device", "virtio-bus", &edge_opts); + qos_node_produces("vhost-user-scmi-device", "vhost-user-scmi"); + + /* virtio-scmi-pci */ + edge_opts.extra_device_opts = "id=scmi,addr=04.0,chardev=chr-vhost-user-test"; + add_qpci_address(&edge_opts, &addr); + qos_node_create_driver("vhost-user-scmi-pci", virtio_scmi_pci_create); + qos_node_consumes("vhost-user-scmi-pci", "pci-bus", &edge_opts); + qos_node_produces("vhost-user-scmi-pci", "vhost-user-scmi"); +} + +libqos_init(virtio_scmi_register_nodes); diff --git a/tests/qtest/libqos/virtio-scmi.h b/tests/qtest/libqos/virtio-scmi.h new file mode 100644 index 0000000000..cb5670da6e --- /dev/null +++ b/tests/qtest/libqos/virtio-scmi.h @@ -0,0 +1,34 @@ +/* + * virtio-scmi structures + * + * SPDX-FileCopyrightText: Red Hat, Inc. + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef TESTS_LIBQOS_VIRTIO_SCMI_H +#define TESTS_LIBQOS_VIRTIO_SCMI_H + +#include "qgraph.h" +#include "virtio.h" +#include "virtio-pci.h" + +typedef struct QVhostUserSCMI QVhostUserSCMI; +typedef struct QVhostUserSCMIPCI QVhostUserSCMIPCI; +typedef struct QVhostUserSCMIDevice QVhostUserSCMIDevice; + +struct QVhostUserSCMI { + QVirtioDevice *vdev; + QVirtQueue **queues; +}; + +struct QVhostUserSCMIPCI { + QVirtioPCIDevice pci_vdev; + QVhostUserSCMI scmi; +}; + +struct QVhostUserSCMIDevice { + QOSGraphObject obj; + QVhostUserSCMI scmi; +}; + +#endif diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index dfb8003597..d4e437265f 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -33,6 +33,7 @@ #include "standard-headers/linux/virtio_ids.h" #include "standard-headers/linux/virtio_net.h" #include "standard-headers/linux/virtio_gpio.h" +#include "standard-headers/linux/virtio_scmi.h" #ifdef CONFIG_LINUX #include @@ -145,6 +146,7 @@ enum { enum { VHOST_USER_NET, VHOST_USER_GPIO, + VHOST_USER_SCMI, }; typedef struct TestServer { @@ -1157,3 +1159,45 @@ static void register_vhost_gpio_test(void) "vhost-user-gpio", test_read_guest_mem, &opts); } libqos_init(register_vhost_gpio_test); + +static uint64_t vu_scmi_get_features(TestServer *s) +{ + return 0x1ULL << VIRTIO_F_VERSION_1 | + 0x1ULL << VIRTIO_SCMI_F_P2A_CHANNELS | + 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; +} + +static void vu_scmi_get_protocol_features(TestServer *s, CharBackend *chr, + VhostUserMsg *msg) +{ + msg->flags |= VHOST_USER_REPLY_MASK; + msg->size = sizeof(m.payload.u64); + msg->payload.u64 = 1ULL << VHOST_USER_PROTOCOL_F_MQ; + + qemu_chr_fe_write_all(chr, (uint8_t *)msg, VHOST_USER_HDR_SIZE + msg->size); +} + +static struct vhost_user_ops g_vu_scmi_ops = { + .type = VHOST_USER_SCMI, + + .append_opts = append_vhost_gpio_opts, + + .get_features = vu_scmi_get_features, + .set_features = vu_net_set_features, + .get_protocol_features = vu_scmi_get_protocol_features, +}; + +static void register_vhost_scmi_test(void) +{ + QOSGraphTestOptions opts = { + .before = vhost_user_test_setup, + .subprocess = true, + .arg = &g_vu_scmi_ops, + }; + + qemu_add_opts(&qemu_chardev_opts); + + qos_add_test("scmi/read-guest-mem/memfile", + "vhost-user-scmi", test_read_guest_mem, &opts); +} +libqos_init(register_vhost_scmi_test);