diff options
Diffstat (limited to 'hw/vfio/pci.c')
| -rw-r--r-- | hw/vfio/pci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 65d30fdef9..b399742058 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -1922,11 +1922,23 @@ static void vfio_pci_pre_reset(VFIOPCIDevice *vdev) static void vfio_pci_post_reset(VFIOPCIDevice *vdev) { Error *err = NULL; + int nr; vfio_intx_enable(vdev, &err); if (err) { error_reportf_err(err, ERR_PREFIX, vdev->vbasedev.name); } + + for (nr = 0; nr < PCI_NUM_REGIONS - 1; ++nr) { + off_t addr = vdev->config_offset + PCI_BASE_ADDRESS_0 + (4 * nr); + uint32_t val = 0; + uint32_t len = sizeof(val); + + if (pwrite(vdev->vbasedev.fd, &val, len, addr) != len) { + error_report("%s(%s) reset bar %d failed: %m", __func__, + vdev->vbasedev.name, nr); + } + } } static bool vfio_pci_host_match(PCIHostDeviceAddress *addr, const char *name) |