+/**
+ * tsi721_query_mport - Fetch inbound message from the Tsi721 MSG Queue
+ * @mport: Master port implementing the Inbound Messaging Engine
+ * @mbox: Inbound mailbox number
+ *
+ * Returns pointer to the message on success or NULL on failure.
+ */
+static int tsi721_query_mport(struct rio_mport *mport,
+ struct rio_mport_attr *attr)
+{
+ struct tsi721_device *priv = mport->priv;
+ u32 rval;
+
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_ERR_STS_CSR(0)));
+ if (rval & RIO_PORT_N_ERR_STS_PORT_OK) {
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL2_CSR(0)));
+ attr->link_speed = (rval & RIO_PORT_N_CTL2_SEL_BAUD) >> 28;
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL_CSR(0)));
+ attr->link_width = (rval & RIO_PORT_N_CTL_IPW) >> 27;
+ } else
+ attr->link_speed = RIO_LINK_DOWN;
+
+#ifdef CONFIG_RAPIDIO_DMA_ENGINE
+ attr->flags = RIO_MPORT_DMA | RIO_MPORT_DMA_SG;
+ attr->dma_max_sge = 0;
+ attr->dma_max_size = TSI721_BDMA_MAX_BCOUNT;
+ attr->dma_align = 0;
+#else
+ attr->flags = 0;
+#endif
+ return 0;
+}
+