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authorStefan Hajnoczi <stefanha@redhat.com>2019-10-23 11:04:13 +0100
committerMichael S. Tsirkin <mst@redhat.com>2019-10-25 07:46:22 -0400
commite73255be96bf435fe6bf9a5c196dcd7c76adb0da (patch)
tree964539b964e4214eca8f4dc3d4b8dca90043569e /tests
parenta9340358f4d5d0e8e0c7a3a23cb4e5b68334974c (diff)
virtio-scsi-test: add missing feature negotiation
VIRTIO Device Initialization requires feature negotiation. Currently virtio-scsi-test.c is non-compliant. libqos tests acknowledge all feature bits advertised by the device, except VIRTIO_F_BAD_FEATURE (which devices use to detect broken drivers!) and VIRTIO_RING_F_EVENT_IDX (which is not implemented in libqos and accepting it would break notifications). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20191023100425.12168-5-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Thomas Huth" <thuth@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/virtio-scsi-test.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/virtio-scsi-test.c b/tests/virtio-scsi-test.c
index 7c8f9b27f8..0415e75876 100644
--- a/tests/virtio-scsi-test.c
+++ b/tests/virtio-scsi-test.c
@@ -123,10 +123,16 @@ static QVirtioSCSIQueues *qvirtio_scsi_init(QVirtioDevice *dev)
QVirtioSCSIQueues *vs;
const uint8_t test_unit_ready_cdb[VIRTIO_SCSI_CDB_SIZE] = {};
struct virtio_scsi_cmd_resp resp;
+ uint64_t features;
int i;
vs = g_new0(QVirtioSCSIQueues, 1);
vs->dev = dev;
+
+ features = qvirtio_get_features(dev);
+ features &= ~(QVIRTIO_F_BAD_FEATURE | (1ull << VIRTIO_RING_F_EVENT_IDX));
+ qvirtio_set_features(dev, features);
+
vs->num_queues = qvirtio_config_readl(dev, 0);
g_assert_cmpint(vs->num_queues, <, MAX_NUM_QUEUES);
@@ -135,6 +141,8 @@ static QVirtioSCSIQueues *qvirtio_scsi_init(QVirtioDevice *dev)
vs->vq[i] = qvirtqueue_setup(dev, alloc, i);
}
+ qvirtio_set_driver_ok(dev);
+
/* Clear the POWER ON OCCURRED unit attention */
g_assert_cmpint(virtio_scsi_do_command(vs, test_unit_ready_cdb,
NULL, 0, NULL, 0, &resp),