@@ -11,6 +11,120 @@
static struct dentry *hns3_dbgfs_root;
+static int hns3_dbg_queue_info(struct hnae3_handle *h, char *cmd_buf)
+{
+ struct hns3_nic_priv *priv = h->priv;
+ struct hns3_nic_ring_data *ring_data;
+ struct hns3_enet_ring *ring;
+ u32 base_add_l, base_add_h;
+ u32 queue_num, queue_max;
+ u32 value, i = 0;
+ int cnt;
+
+ if (!priv->ring_data) {
+ dev_err(&h->pdev->dev, "ring_data is NULL\n");
+ return -EFAULT;
+ }
+
+ queue_max = h->kinfo.num_tqps;
+ cnt = kstrtouint(&cmd_buf[11], 0, &queue_num);
+ if (cnt)
+ queue_num = 0;
+ else
+ queue_max = queue_num + 1;
+
+ dev_info(&h->pdev->dev, "queue info\n");
+
+ if (queue_num >= h->kinfo.num_tqps) {
+ dev_err(&h->pdev->dev,
+ "Queue number(%u) is out of range(%u)\n", queue_num,
+ h->kinfo.num_tqps - 1);
+ return -EINVAL;
+ }
+
+ ring_data = priv->ring_data;
+ for (i = queue_num; i < queue_max; i++) {
+ /* Each cycle needs to determine whether the instance is reset,
+ * to prevent reference to invalid memory. And need to ensure
+ * that the following code is executed within 100ms.
+ */
+ if (test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
+ test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
+ return -EPERM;
+
+ ring = ring_data[i + h->kinfo.num_tqps].ring;
+ base_add_h = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_BASEADDR_H_REG);
+ base_add_l = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_BASEADDR_L_REG);
+ dev_info(&h->pdev->dev, "RX(%d) BASE ADD: 0x%08x%08x\n", i,
+ base_add_h, base_add_l);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_BD_NUM_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING BD NUM: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_BD_LEN_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING BD LEN: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_TAIL_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING TAIL: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_HEAD_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING HEAD: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_FBDNUM_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING FBDNUM: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_RX_RING_PKTNUM_RECORD_REG);
+ dev_info(&h->pdev->dev, "RX(%d) RING PKTNUM: %u\n", i, value);
+
+ ring = ring_data[i].ring;
+ base_add_h = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_BASEADDR_H_REG);
+ base_add_l = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_BASEADDR_L_REG);
+ dev_info(&h->pdev->dev, "TX(%d) BASE ADD: 0x%08x%08x\n", i,
+ base_add_h, base_add_l);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_BD_NUM_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING BD NUM: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_TC_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING TC: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_TAIL_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING TAIL: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_HEAD_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING HEAD: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_FBDNUM_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING FBDNUM: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_OFFSET_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING OFFSET: %u\n", i, value);
+
+ value = readl_relaxed(ring->tqp->io_base +
+ HNS3_RING_TX_RING_PKTNUM_RECORD_REG);
+ dev_info(&h->pdev->dev, "TX(%d) RING PKTNUM: %u\n\n", i,
+ value);
+ }
+
+ return 0;
+}
+
static void hns3_dbg_help(struct hnae3_handle *h)
{
dev_info(&h->pdev->dev, "available commands\n");
@@ -51,6 +165,7 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
size_t count, loff_t *ppos)
{
struct hnae3_handle *handle = filp->private_data;
+ struct hns3_nic_priv *priv = handle->priv;
char *cmd_buf, *cmd_buf_tmp;
int uncopied_bytes;
int ret = 0;
@@ -58,6 +173,11 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
if (*ppos != 0)
return 0;
+ /* Judge if the instance is being reset. */
+ if (test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
+ test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
+ return 0;
+
cmd_buf = kzalloc(count + 1, GFP_KERNEL);
if (!cmd_buf)
return count;
@@ -78,6 +198,8 @@ static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer,
if (strncmp(cmd_buf, "help", 4) == 0)
hns3_dbg_help(handle);
+ else if (strncmp(cmd_buf, "queue info", 10) == 0)
+ ret = hns3_dbg_queue_info(handle, cmd_buf);
if (ret)
hns3_dbg_help(handle);