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| author | Gerd Hoffmann <kraxel@redhat.com> | 2016-01-28 16:08:07 +0100 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:49:36 -0600 |
| commit | 5f3576a81c73409ab38f5a30d69b9ae5788200d7 (patch) | |
| tree | d35d5e4ef0ed059d4d23b52333879dc2157a8447 | |
| parent | aa367ecd0ccfcb2a3b181e8ec4b8ac4d86d0f378 (diff) | |
| download | hqemu-5f3576a81c73409ab38f5a30d69b9ae5788200d7.zip hqemu-5f3576a81c73409ab38f5a30d69b9ae5788200d7.tar.gz | |
virtio-pci: call pci reset variant when guest requests reset.
Actually fixes linux not finding virtio 1.0 device virtqueues after
reboot. Which is new I think, any chance linux kernel virtio code
became more strict in 4.3?
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Tested-by: Fam Zheng <famz@redhat.com>
| -rw-r--r-- | hw/virtio/virtio-pci.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 440776c..0dadb66 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -47,6 +47,7 @@ static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size, VirtIOPCIProxy *dev); +static void virtio_pci_reset(DeviceState *qdev); /* virtio device */ /* DeviceState to VirtIOPCIProxy. For use off data-path. TODO: use QOM. */ @@ -404,9 +405,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) case VIRTIO_PCI_QUEUE_PFN: pa = (hwaddr)val << VIRTIO_PCI_QUEUE_ADDR_SHIFT; if (pa == 0) { - virtio_pci_stop_ioeventfd(proxy); - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } else virtio_queue_set_addr(vdev, vdev->queue_sel, pa); @@ -432,8 +431,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } /* Linux before 2.6.34 drives the device without enabling @@ -1353,8 +1351,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, } if (vdev->status == 0) { - virtio_reset(vdev); - msix_unuse_all_vectors(&proxy->pci_dev); + virtio_pci_reset(DEVICE(proxy)); } break; |
