srpt_set_cmd_state
srpt_set_cmd_state(send_ioctx, SRPT_STATE_MGMT);
state = srpt_set_cmd_state(ioctx, SRPT_STATE_DONE);
srpt_set_cmd_state(ioctx, SRPT_STATE_DATA_IN);
new_state = srpt_set_cmd_state(ioctx, SRPT_STATE_NEED_DATA);
srpt_set_cmd_state(ioctx, SRPT_STATE_DONE);