diff options
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 4e31bd3001ad..2729b777a56d 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -82,9 +82,36 @@ static bool vfio_pci_is_denylisted(struct pci_dev *pdev) return true; } +static int vfio_pci_open_device(struct vfio_device *core_vdev) +{ + struct vfio_pci_core_device *vdev = + container_of(core_vdev, struct vfio_pci_core_device, vdev); + struct pci_dev *pdev = vdev->pdev; + int ret; + + ret = vfio_pci_core_enable(vdev); + if (ret) + return ret; + + if (vfio_pci_is_vga(pdev) && + pdev->vendor == PCI_VENDOR_ID_INTEL && + IS_ENABLED(CONFIG_VFIO_PCI_IGD)) { + ret = vfio_pci_igd_init(vdev); + if (ret && ret != -ENODEV) { + pci_warn(pdev, "Failed to setup Intel IGD regions\n"); + vfio_pci_core_disable(vdev); + return ret; + } + } + + vfio_pci_core_finish_enable(vdev); + + return 0; +} + static const struct vfio_device_ops vfio_pci_ops = { .name = "vfio-pci", - .open_device = vfio_pci_core_open_device, + .open_device = vfio_pci_open_device, .close_device = vfio_pci_core_close_device, .ioctl = vfio_pci_core_ioctl, .read = vfio_pci_core_read, |