Function idpf_vc_cmd_execute

dpdk/drivers/common/idpf/idpf_common_virtchnl.c:185–236

}

int
idpf_vc_cmd_execute(struct idpf_adapter *adapter, struct idpf_cmd_info *args)
{
	int err = 0;
	int i = 0;
	int ret;

	if (atomic_set_cmd(adapter, args->ops))
		return -EINVAL;

	ret = idpf_send_vc_msg(adapter, args->ops, args->in_args_size, args->in_args);
	if (ret != 0) {
		DRV_LOG(ERR, "fail to send cmd %d", args->ops);
		clear_cmd(adapter);
		return ret;
	}

	switch (args->ops) {
	case VIRTCHNL_OP_VERSION:
	case VIRTCHNL2_OP_GET_CAPS:
		/* for init virtchnl ops, need to poll the response */
		err = idpf_vc_one_msg_read(adapter, args->ops, args->out_size, args->out_buffer);
		clear_cmd(adapter);
		break;
	case VIRTCHNL2_OP_GET_PTYPE_INFO:
		/* for multuple response message,
		 * do not handle the response here.
		 */
		break;
	default:
		/* For other virtchnl ops in running time,
		 * wait for the cmd done flag.
		 */
		do {
			if (adapter->pend_cmd == VIRTCHNL_OP_UNKNOWN)
				break;
			rte_delay_ms(ASQ_DELAY_MS);
			/* If don't read msg or read sys event, continue */
		} while (i++ < MAX_TRY_TIMES);
		/* If there's no response is received, clear command */
		if (i >= MAX_TRY_TIMES  ||
		    adapter->cmd_retval != VIRTCHNL_STATUS_SUCCESS) {
			err = -EBUSY;
			DRV_LOG(ERR, "No response or return failure (%d) for cmd %d",
				adapter->cmd_retval, args->ops);
			clear_cmd(adapter);
		}
		break;
	}

	return err;
}

int
idpf_vc_api_version_check(struct idpf_adapter *adapter)