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authorAlex Williamson <alex.williamson@redhat.com>2016-02-22 23:02:43 (GMT)
committerAlex Williamson <alex.williamson@redhat.com>2016-02-22 23:10:09 (GMT)
commit5846ff54e87d8bab4f1e330af0b5407747a0a57e (patch)
treefbd2cf55f626b90db3440238387c14fa36de262c /drivers/vfio/pci/vfio_pci.c
parent345d710491e2d2c4a9406c1d530adb37cc0429c1 (diff)
downloadlinux-5846ff54e87d8bab4f1e330af0b5407747a0a57e.tar.xz
vfio/pci: Intel IGD OpRegion support
This is the first consumer of vfio device specific resource support, providing read-only access to the OpRegion for Intel graphics devices. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
-rw-r--r--drivers/vfio/pci/vfio_pci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 813a2e6..cb2624d 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -169,6 +169,13 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev)
if (!vfio_vga_disabled() && vfio_pci_is_vga(pdev))
vdev->has_vga = true;
+
+ if (vfio_pci_is_vga(pdev) && pdev->vendor == PCI_VENDOR_ID_INTEL) {
+ if (vfio_pci_igd_opregion_init(vdev) == 0)
+ dev_info(&pdev->dev,
+ "Intel IGD OpRegion support enabled\n");
+ }
+
return 0;
}