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[79.176.118.93]) by smtp.gmail.com with ESMTPSA id l16sm10974041wrr.83.2020.11.03.06.35.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2020 06:35:27 -0800 (PST) Date: Tue, 3 Nov 2020 09:35:26 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 33/38] tests/qtest: add multi-queue test case to vhost-user-blk-test Message-ID: <20201103142306.71782-34-mst@redhat.com> References: <20201103142306.71782-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201103142306.71782-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 00:03:41 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Laurent Vivier , Peter Maydell , Thomas Huth , Stefan Hajnoczi , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Stefan Hajnoczi Signed-off-by: Stefan Hajnoczi Message-id: 20201001144604.559733-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi Message-Id: <20201027173528.213464-8-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- 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 e7e44f9bf0..31f2335f97 100644 --- a/tests/qtest/vhost-user-blk-test.c +++ b/tests/qtest/vhost-user-blk-test.c @@ -559,6 +559,67 @@ static void pci_hotplug(void *obj, void *data, QGuestAllocator *t_alloc) qpci_unplug_acpi_device_test(qts, "drv1", PCI_SLOT_HP); } +static void multiqueue(void *obj, void *data, QGuestAllocator *t_alloc) +{ + QVirtioPCIDevice *pdev1 = obj; + QVirtioDevice *dev1 = &pdev1->vdev; + QVirtioPCIDevice *pdev8; + QVirtioDevice *dev8; + QTestState *qts = 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 there is + * only 1 virtqueue, but --device vhost-user-blk-pci doesn't do this (which + * is also spec-compliant). + */ + features = qvirtio_get_features(dev1); + g_assert_cmpint(features & (1u << VIRTIO_BLK_F_MQ), ==, 0); + features = 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 = virtio_pci_new(pdev1->pdev->bus, + &(QPCIAddress) { + .devfn = QPCI_DEVFN(PCI_SLOT_HP, 0) + }); + g_assert_nonnull(pdev8); + g_assert_cmpint(pdev8->vdev.device_type, ==, VIRTIO_ID_BLOCK); + + qos_object_start_hw(&pdev8->obj); + + dev8 = &pdev8->vdev; + features = qvirtio_get_features(dev8); + g_assert_cmpint(features & (1u << VIRTIO_BLK_F_MQ), + ==, + (1u << VIRTIO_BLK_F_MQ)); + features = 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 = qvirtio_config_readw(dev8, + offsetof(struct virtio_blk_config, num_queues)); + g_assert_cmpint(num_queues, ==, 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. @@ -643,7 +704,8 @@ static void quit_storage_daemon(void *qmp_test_state) g_free(qmp_test_state); } -static char *start_vhost_user_blk(GString *cmd_line, int vus_instances) +static char *start_vhost_user_blk(GString *cmd_line, int vus_instances, + int num_queues) { const char *vhost_user_blk_bin = qtest_qemu_storage_daemon_binary(); int fd, qmp_fd, i; @@ -675,8 +737,8 @@ static char *start_vhost_user_blk(GString *cmd_line, int vus_instances) g_string_append_printf(storage_daemon_command, "--blockdev driver=file,node-name=disk%d,filename=%s " "--export type=vhost-user-blk,id=disk%d,addr.type=unix,addr.path=%s," - "node-name=disk%i,writable=on ", - i, img_path, i, sock_path, i); + "node-name=disk%i,writable=on,num-queues=%d ", + i, img_path, i, sock_path, i, num_queues); g_string_append_printf(cmd_line, "-chardev socket,id=char%d,path=%s ", i + 1, sock_path); @@ -705,7 +767,7 @@ static char *start_vhost_user_blk(GString *cmd_line, int vus_instances) 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; } @@ -719,7 +781,13 @@ static void *vhost_user_blk_test_setup(GString *cmd_line, void *arg) static void *vhost_user_blk_hotplug_test_setup(GString *cmd_line, void *arg) { /* "-chardev socket,id=char2" 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; } @@ -746,6 +814,9 @@ static void register_vhost_user_blk_test(void) opts.before = vhost_user_blk_hotplug_test_setup; qos_add_test("hotplug", "vhost-user-blk-pci", pci_hotplug, &opts); + + opts.before = vhost_user_blk_multiqueue_test_setup; + qos_add_test("multiqueue", "vhost-user-blk-pci", multiqueue, &opts); } libqos_init(register_vhost_user_blk_test); -- MST