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-rw-r--r--hw/vfio/pci.c13
-rw-r--r--hw/vfio/pci.h1
2 files changed, 13 insertions, 1 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index ec9a854..cf27f28 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 177abcc..2674476 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 *);