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virtio, pci fixes, enhancements

Browse source 
Almost exclusively bugfixes, though in this case,
 we are adding functionality to the pxb in order
 to make OVMF work on it.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pci fixes, enhancements

Almost exclusively bugfixes, though in this case,
we are adding functionality to the pxb in order
to make OVMF work on it.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Fri Jun 26 14:43:27 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
  Fix glib_subprocess test
  hw/pci-bridge: format special OFW unit address for PXB host
  hw/core: explicit OFW unit address callback for SysBusDeviceClass
  hw/pci-bridge: disable SHPC in PXB
  hw/pci-bridge: introduce "shpc" property
  hw/pci: introduce shpc_present() helper function
  hw/pci-bridge: add macro for "msi" property
  hw/pci-bridge: add macro for "chassis_nr" property
  hw/pci-bridge: expose _test parameter in SHPC_VMSTATE()
  migration: introduce VMSTATE_BUFFER_UNSAFE_INFO_TEST()
  add pci-bridge-seat
  pc: cleanup and convert TMP ACPI device description to AML API
  MAINTAINERS: add ACPI entry
  vhost: correctly pass error to caller in vhost_dev_enable_notifiers()
  balloon: add a feature bit to let Guest OS deflate balloon on oom
  qdev: fix OVERFLOW_BEFORE_WIDEN
  virito-pci: fix OVERRUN problem

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-06-26 15:57:43 +01:00
commit dc1e1350f8
24 changed files with 263 additions and 370 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hw/virtio/vhost.c
View file

@ -999,7 +999,7 @@ int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
VirtioBusState *vbus = VIRTIO_BUS(qbus);
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(vbus);
int i, r;
int i, r, e;
if (!k->set_host_notifier) {
fprintf(stderr, "binding does not support host notifiers\n");
r = -ENOSYS;
@ -1017,12 +1017,12 @@ int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev)
return 0;
fail_vq:
while (--i >= 0) {
r = k->set_host_notifier(qbus->parent, hdev->vq_index + i, false);
if (r < 0) {
e = k->set_host_notifier(qbus->parent, hdev->vq_index + i, false);
if (e < 0) {
fprintf(stderr, "vhost VQ %d notifier cleanup error: %d\n", i, -r);
fflush(stderr);
}
assert (r >= 0);
assert (e >= 0);
}
fail:
return r;

4
hw/virtio/virtio-balloon.c
View file

@ -312,6 +312,8 @@ static void virtio_balloon_set_config(VirtIODevice *vdev,
static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f)
{
VirtIOBalloon *dev = VIRTIO_BALLOON(vdev);
f |= dev->host_features;
virtio_add_feature(&f, VIRTIO_BALLOON_F_STATS_VQ);
return f;
}
@ -423,6 +425,8 @@ static void virtio_balloon_instance_init(Object *obj)
}
static Property virtio_balloon_properties[] = {
DEFINE_PROP_BIT("deflate-on-oom", VirtIOBalloon, host_features,
VIRTIO_BALLOON_F_DEFLATE_ON_OOM, false),
DEFINE_PROP_END_OF_LIST(),
};

4
hw/virtio/virtio-pci.c
View file

@ -977,7 +977,7 @@ static uint64_t virtio_pci_common_read(void *opaque, hwaddr addr,
val = proxy->gfselect;
break;
case VIRTIO_PCI_COMMON_GF:
if (proxy->gfselect <= ARRAY_SIZE(proxy->guest_features)) {
if (proxy->gfselect < ARRAY_SIZE(proxy->guest_features)) {
val = proxy->guest_features[proxy->gfselect];
}
break;
@ -1052,7 +1052,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr,
proxy->gfselect = val;
break;
case VIRTIO_PCI_COMMON_GF:
if (proxy->gfselect <= ARRAY_SIZE(proxy->guest_features)) {
if (proxy->gfselect < ARRAY_SIZE(proxy->guest_features)) {
proxy->guest_features[proxy->gfselect] = val;
virtio_set_features(vdev,
(((uint64_t)proxy->guest_features[1]) << 32) |