Mirrors/VILLASnode
1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-09 00:00:00 +01:00
Code Issues Releases Wiki Activity

vfio: only rebind pci device to VFIO driver if not already bound

Browse source
This commit is contained in:
Steffen Vogel 2018-01-30 19:09:56 +01:00
parent 293f496db0
commit 3047f5bb7a
1 changed files with 7 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
fpga/lib/kernel/vfio.c
View file

@ -229,10 +229,13 @@ int vfio_pci_attach(struct vfio_device *d, struct vfio_container *c, struct pci_
if (kernel_module_load("vfio_pci"))
error("Failed to load kernel driver: %s", "vfio_pci");
/* Bind PCI card to vfio-pci driver*/
ret = pci_attach_driver(pdev, "vfio-pci");
if (ret)
error("Failed to attach device to driver");
/* Bind PCI card to vfio-pci driver if not already bound */
ret = pci_get_driver(pdev, name, sizeof(name));
if (ret || strcmp(name, "vfio-pci")) {
ret = pci_attach_driver(pdev, "vfio-pci");
if (ret)
error("Failed to attach device to driver");
}
/* Get IOMMU group of device */
int index = pci_get_iommu_group(pdev);