search for: pci_set_dev_assign

Displaying 3 results from an estimated 3 matches for "pci_set_dev_assign".

Did you mean: pci_set_dev_assigned
2018 Jun 01
3
[PATCH v2] virtio_pci: support enabling VFs
There is a new feature bit allocated in virtio spec to support SR-IOV (Single Root I/O Virtualization): https://github.com/oasis-tcs/virtio-spec/issues/11 This patch enables the support for this feature bit in virtio driver. Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> Acked-by: Stefan Hajnoczi <stefanha at redhat.com> Acked-by: Michael S. Tsirkin <mst at redhat.com> ---
2018 Jun 01
3
[PATCH v2] virtio_pci: support enabling VFs
There is a new feature bit allocated in virtio spec to support SR-IOV (Single Root I/O Virtualization): https://github.com/oasis-tcs/virtio-spec/issues/11 This patch enables the support for this feature bit in virtio driver. Signed-off-by: Tiwei Bie <tiwei.bie at intel.com> Acked-by: Stefan Hajnoczi <stefanha at redhat.com> Acked-by: Michael S. Tsirkin <mst at redhat.com> ---
2018 Jun 01
0
[PATCH v2] virtio_pci: support enabling VFs
...OV)) > + return -EINVAL; > + > + if (pci_vfs_assigned(pci_dev)) > + return -EPERM; Not a comment on this patch - existing code has the same race - but generally 1. this seems racy since assigning vfs does not seem to take device lock 2. does this work correctly for kvm at all? pci_set_dev_assigned seems to be only called by xen. Can you look at addressing this pls? > + > + if (num_vfs == 0) { > + pci_disable_sriov(pci_dev); > + return 0; > + } > + > + ret = pci_enable_sriov(pci_dev, num_vfs); > + if (ret < 0) > + return ret; > + > + return num_vfs;...