return model->ops->get_capacity(model->private_data);
}
-static int model_free(struct vm_device * dev) {
- return -1;
+static int model_free(struct disk_state * model) {
+
+ // unhook from frontend
+
+ V3_Free(model);
+ return 0;
}
static struct v3_device_ops dev_ops = {
- .free = model_free,
- .reset = NULL,
- .start = NULL,
- .stop = NULL,
+ .free = (int (*)(void *))model_free,
};
static int model_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
- char * name = v3_cfg_val(cfg, "name");
+ char * dev_id = v3_cfg_val(cfg, "ID");
- struct vm_device * dev = v3_allocate_device(name, &dev_ops, NULL);
+ struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, NULL);
- if (v3_attach_device(vm, dev) == -1) {
- PrintError("Could not attach device %s\n", name);
+ if (dev == NULL) {
+ PrintError("Could not attach device %s\n", dev_id);
return -1;
}
- if (v3_dev_add_blk_frontend(vm, name, connect_fn, NULL) == -1) {
- PrintError("Could not register %s as block frontend\n", name);
+ if (v3_dev_add_blk_frontend(vm, dev_id, connect_fn, NULL) == -1) {
+ PrintError("Could not register %s as block frontend\n", dev_id);
+ v3_remove_device(dev);
return -1;
}