diff options
| -rw-r--r-- | hw/vfio/pci.c | 13 | ||||
| -rw-r--r-- | hw/vfio/pci.h | 1 |
2 files changed, 13 insertions, 1 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index ec9a854361..cf27f28936 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2856,6 +2856,8 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) int groupid; int i, ret; bool is_mdev; + char uuid[UUID_FMT_LEN]; + char *name; if (!vbasedev->sysfsdev) { if (!(~vdev->host.domain || ~vdev->host.bus || @@ -2936,7 +2938,15 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) goto error; } - ret = vfio_get_device(group, vbasedev->name, vbasedev, errp); + if (!qemu_uuid_is_null(&vdev->vf_token)) { + qemu_uuid_unparse(&vdev->vf_token, uuid); + name = g_strdup_printf("%s vf_token=%s", vbasedev->name, uuid); + } else { + name = vbasedev->name; + } + + ret = vfio_get_device(group, name, vbasedev, errp); + g_free(name); if (ret) { vfio_put_group(group); goto error; @@ -3268,6 +3278,7 @@ static void vfio_instance_init(Object *obj) static Property vfio_pci_dev_properties[] = { DEFINE_PROP_PCI_HOST_DEVADDR("host", VFIOPCIDevice, host), + DEFINE_PROP_UUID_NODEFAULT("vf-token", VFIOPCIDevice, vf_token), DEFINE_PROP_STRING("sysfsdev", VFIOPCIDevice, vbasedev.sysfsdev), DEFINE_PROP_ON_OFF_AUTO("x-pre-copy-dirty-page-tracking", VFIOPCIDevice, vbasedev.pre_copy_dirty_page_tracking, diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h index 177abcc8fb..2674476d6c 100644 --- a/hw/vfio/pci.h +++ b/hw/vfio/pci.h @@ -137,6 +137,7 @@ struct VFIOPCIDevice { VFIOVGA *vga; /* 0xa0000, 0x3b0, 0x3c0 */ void *igd_opregion; PCIHostDeviceAddress host; + QemuUUID vf_token; EventNotifier err_notifier; EventNotifier req_notifier; int (*resetfn)(struct VFIOPCIDevice *); |