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path: root/drivers/vfio/pci/vfio_pci.c
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Diffstat (limited to 'drivers/vfio/pci/vfio_pci.c')
-rw-r--r--drivers/vfio/pci/vfio_pci.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 74a375297494..1ce1d364308c 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -609,8 +609,14 @@ static long vfio_pci_ioctl(void *device_data,
/* Report the BAR size, not the ROM size */
info.size = pci_resource_len(pdev, info.index);
- if (!info.size)
- break;
+ if (!info.size) {
+ /* Shadow ROMs appear as PCI option ROMs */
+ if (pdev->resource[PCI_ROM_RESOURCE].flags &
+ IORESOURCE_ROM_SHADOW)
+ info.size = 0x20000;
+ else
+ break;
+ }
/* Is it really there? */
io = pci_map_rom(pdev, &size);