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bh=+fKmk7t+4S6M2wNAWLULCPjjve47/an0eBUzA3/MPGA=; b=Bs4kAXGz7KMIxN/eUq8TB6wGkCoIS8O1X7aaP/nsDml0KIvWH/8E8sljLJ6XsncVmRZx+U VgaqIoyRFtUPZm1KsoVG16HrstFIKVPntKsS6/Bl1gA4EBrwWzKssPiqnvrhpYs/Nohyb7 qzVVjyCgYVWotT5JKyqCY8MxHFQmanc= X-MC-Unique: cLIujs_2OTOQd0tMGVkKfA-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 3/4] tests/qtest: add multi-queue test case to vhost-user-blk-test Date: Tue, 9 Mar 2021 09:41:05 +0000 Message-Id: <20210309094106.196911-4-stefanha@redhat.com> In-Reply-To: <20210309094106.196911-1-stefanha@redhat.com> References: <20210309094106.196911-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Signed-off-by: Stefan Hajnoczi --- tests/qtest/vhost-user-blk-test.c | 81 +++++++++++++++++++++++++++++-- 1 file changed, 76 insertions(+), 5 deletions(-) diff --git a/tests/qtest/vhost-user-blk-test.c b/tests/qtest/vhost-user-blk= -test.c index f0fb09893e..61beee52d3 100644 --- a/tests/qtest/vhost-user-blk-test.c +++ b/tests/qtest/vhost-user-blk-test.c @@ -563,6 +563,67 @@ static void pci_hotplug(void *obj, void *data, QGuestA= llocator *t_alloc) qpci_unplug_acpi_device_test(qts, "drv1", PCI_SLOT_HP); } =20 +static void multiqueue(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtioPCIDevice *pdev1 =3D obj; + QVirtioDevice *dev1 =3D &pdev1->vdev; + QVirtioPCIDevice *pdev8; + QVirtioDevice *dev8; + QTestState *qts =3D pdev1->pdev->bus->qts; + uint64_t features; + uint16_t num_queues; + + /* + * The primary device has 1 queue and VIRTIO_BLK_F_MQ is not enabled. = The + * VIRTIO specification allows VIRTIO_BLK_F_MQ to be enabled when ther= e is + * only 1 virtqueue, but --device vhost-user-blk-pci doesn't do this (= which + * is also spec-compliant). + */ + features =3D qvirtio_get_features(dev1); + g_assert_cmpint(features & (1u << VIRTIO_BLK_F_MQ), =3D=3D, 0); + features =3D features & ~(QVIRTIO_F_BAD_FEATURE | + (1u << VIRTIO_RING_F_INDIRECT_DESC) | + (1u << VIRTIO_F_NOTIFY_ON_EMPTY) | + (1u << VIRTIO_BLK_F_SCSI)); + qvirtio_set_features(dev1, features); + + /* Hotplug a secondary device with 8 queues */ + qtest_qmp_device_add(qts, "vhost-user-blk-pci", "drv1", + "{'addr': %s, 'chardev': 'char2', 'num-queues': 8= }", + stringify(PCI_SLOT_HP) ".0"); + + pdev8 =3D virtio_pci_new(pdev1->pdev->bus, + &(QPCIAddress) { + .devfn =3D QPCI_DEVFN(PCI_SLOT_HP, 0) + }); + g_assert_nonnull(pdev8); + g_assert_cmpint(pdev8->vdev.device_type, =3D=3D, VIRTIO_ID_BLOCK); + + qos_object_start_hw(&pdev8->obj); + + dev8 =3D &pdev8->vdev; + features =3D qvirtio_get_features(dev8); + g_assert_cmpint(features & (1u << VIRTIO_BLK_F_MQ), + =3D=3D, + (1u << VIRTIO_BLK_F_MQ)); + features =3D features & ~(QVIRTIO_F_BAD_FEATURE | + (1u << VIRTIO_RING_F_INDIRECT_DESC) | + (1u << VIRTIO_F_NOTIFY_ON_EMPTY) | + (1u << VIRTIO_BLK_F_SCSI) | + (1u << VIRTIO_BLK_F_MQ)); + qvirtio_set_features(dev8, features); + + num_queues =3D qvirtio_config_readw(dev8, + offsetof(struct virtio_blk_config, num_queues)); + g_assert_cmpint(num_queues, =3D=3D, 8); + + qvirtio_pci_device_disable(pdev8); + qos_object_destroy(&pdev8->obj); + + /* unplug secondary disk */ + qpci_unplug_acpi_device_test(qts, "drv1", PCI_SLOT_HP); +} + /* * Check that setting the vring addr on a non-existent virtqueue does * not crash. @@ -682,7 +743,8 @@ static void quit_storage_daemon(void *data) g_free(data); } =20 -static void start_vhost_user_blk(GString *cmd_line, int vus_instances) +static void start_vhost_user_blk(GString *cmd_line, int vus_instances, + int num_queues) { const char *vhost_user_blk_bin =3D qtest_qemu_storage_daemon_binary(); int i; @@ -707,8 +769,8 @@ static void start_vhost_user_blk(GString *cmd_line, int= vus_instances) g_string_append_printf(storage_daemon_command, "--blockdev driver=3Dfile,node-name=3Ddisk%d,filename=3D%s " "--export type=3Dvhost-user-blk,id=3Ddisk%d,addr.type=3Dunix,a= ddr.path=3D%s," - "node-name=3Ddisk%i,writable=3Don ", - i, img_path, i, sock_path, i); + "node-name=3Ddisk%i,writable=3Don,num-queues=3D%d ", + i, img_path, i, sock_path, i, num_queues); =20 g_string_append_printf(cmd_line, "-chardev socket,id=3Dchar%d,path= =3D%s ", i + 1, sock_path); @@ -742,7 +804,7 @@ static void start_vhost_user_blk(GString *cmd_line, int= vus_instances) =20 static void *vhost_user_blk_test_setup(GString *cmd_line, void *arg) { - start_vhost_user_blk(cmd_line, 1); + start_vhost_user_blk(cmd_line, 1, 1); return arg; } =20 @@ -756,7 +818,13 @@ static void *vhost_user_blk_test_setup(GString *cmd_li= ne, void *arg) static void *vhost_user_blk_hotplug_test_setup(GString *cmd_line, void *ar= g) { /* "-chardev socket,id=3Dchar2" is used for pci_hotplug*/ - start_vhost_user_blk(cmd_line, 2); + start_vhost_user_blk(cmd_line, 2, 1); + return arg; +} + +static void *vhost_user_blk_multiqueue_test_setup(GString *cmd_line, void = *arg) +{ + start_vhost_user_blk(cmd_line, 2, 8); return arg; } =20 @@ -783,6 +851,9 @@ static void register_vhost_user_blk_test(void) =20 opts.before =3D vhost_user_blk_hotplug_test_setup; qos_add_test("hotplug", "vhost-user-blk-pci", pci_hotplug, &opts); + + opts.before =3D vhost_user_blk_multiqueue_test_setup; + qos_add_test("multiqueue", "vhost-user-blk-pci", multiqueue, &opts); } =20 libqos_init(register_vhost_user_blk_test); --=20 2.29.2