HCLGE_MBX_MAX_ARQ_MSG_NUM
__le16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE];
(arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
(arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM)
HCLGE_MBX_MAX_ARQ_MSG_NUM) {