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author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-10-15 15:15:24 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-10-23 16:41:24 +0200 |
commit | 6d2c83165bc981536f248dd9e3f25bf132b35867 (patch) | |
tree | 4d624d55879dd5e3b17f2d6e32abec565a369732 /hw/scsi/virtio-scsi-dataplane.c | |
parent | 3e2b2a9c49f44926b995495be5e94e61e4f29f5e (diff) | |
download | qemu-6d2c83165bc981536f248dd9e3f25bf132b35867.zip qemu-6d2c83165bc981536f248dd9e3f25bf132b35867.tar.gz qemu-6d2c83165bc981536f248dd9e3f25bf132b35867.tar.bz2 |
virtio-scsi: dataplane: print why starting failed
Setting up guest or host notifiers may fail, but the user will have
no idea why: Let's print the error returned by the callback.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/virtio-scsi-dataplane.c')
-rw-r--r-- | hw/scsi/virtio-scsi-dataplane.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index 1f77635..999c783 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -46,10 +46,13 @@ static VirtIOSCSIVring *virtio_scsi_vring_init(VirtIOSCSI *s, BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s))); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtIOSCSIVring *r = g_slice_new(VirtIOSCSIVring); + int rc; /* Set up virtqueue notify */ - if (k->set_host_notifier(qbus->parent, n, true) != 0) { - fprintf(stderr, "virtio-scsi: Failed to set host notifier\n"); + rc = k->set_host_notifier(qbus->parent, n, true); + if (rc != 0) { + fprintf(stderr, "virtio-scsi: Failed to set host notifier (%d)\n", + rc); exit(1); } r->host_notifier = *virtio_queue_get_host_notifier(vq); @@ -160,8 +163,8 @@ void virtio_scsi_dataplane_start(VirtIOSCSI *s) /* Set up guest notifier (irq) */ rc = k->set_guest_notifiers(qbus->parent, vs->conf.num_queues + 2, true); if (rc != 0) { - fprintf(stderr, "virtio-scsi: Failed to set guest notifiers, " - "ensure -enable-kvm is set\n"); + fprintf(stderr, "virtio-scsi: Failed to set guest notifiers (%d), " + "ensure -enable-kvm is set\n", rc); exit(1); } |