Adds handler to reset a remote device
Signed-off-by: Elena Ufimtseva <[email protected]>
Signed-off-by: John G Johnson <[email protected]>
Signed-off-by: Jagannathan Raman <[email protected]>
---
hw/remote/vfio-user-obj.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/hw/remote/vfio-user-obj.c b/hw/remote/vfio-user-obj.c
index 2304643003..55f1bf5e0f 100644
--- a/hw/remote/vfio-user-obj.c
+++ b/hw/remote/vfio-user-obj.c
@@ -989,6 +989,19 @@ static bool vfu_object_migratable(VfuObject *o)
return dc->vmsd && !dc->vmsd->unmigratable;
}
+static int vfu_object_device_reset(vfu_ctx_t *vfu_ctx, vfu_reset_type_t type)
+{
+ VfuObject *o = vfu_get_private(vfu_ctx);
+
+ if (type == VFU_RESET_LOST_CONN) {
+ return 0;
+ }
+
+ qdev_reset_all(DEVICE(o->pci_dev));
+
+ return 0;
+}
+
/*
* TYPE_VFU_OBJECT depends on the availability of the 'socket' and 'device'
* properties. It also depends on devices instantiated in QEMU. These
@@ -1105,6 +1118,12 @@ static void vfu_object_init_ctx(VfuObject *o, Error
**errp)
goto fail;
}
+ ret = vfu_setup_device_reset_cb(o->vfu_ctx, &vfu_object_device_reset);
+ if (ret < 0) {
+ error_setg(errp, "vfu: Failed to setup reset callback");
+ goto fail;
+ }
+
if (!vfu_object_migratable(o)) {
goto realize_ctx;
}
--
2.20.1