diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile
index 004c88b..e9c5d11 100644
--- a/drivers/infiniband/hw/hns/Makefile
+++ b/drivers/infiniband/hw/hns/Makefile
@@ -7,8 +7,8 @@ ccflags-y :=  -Idrivers/net/ethernet/hisilicon/hns3
 obj-$(CONFIG_INFINIBAND_HNS) += hns-roce.o
 hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
 	hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
-	hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o
+	hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o
 obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o
 hns-roce-hw-v1-objs := hns_roce_hw_v1.o
 obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o
-hns-roce-hw-v2-objs := hns_roce_hw_v2.o
+hns-roce-hw-v2-objs := hns_roce_hw_v2.o hns_roce_hw_v2_dfx.o
diff --git a/drivers/infiniband/hw/hns/hns_roce_cmd.h b/drivers/infiniband/hw/hns/hns_roce_cmd.h
index 059fd1d..2b6ac64 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cmd.h
+++ b/drivers/infiniband/hw/hns/hns_roce_cmd.h
@@ -53,6 +53,7 @@ enum {
 	HNS_ROCE_CMD_QUERY_QPC		= 0x42,
 
 	HNS_ROCE_CMD_MODIFY_CQC		= 0x52,
+	HNS_ROCE_CMD_QUERY_CQC		= 0x53,
 	/* CQC BT commands */
 	HNS_ROCE_CMD_WRITE_CQC_BT0	= 0x10,
 	HNS_ROCE_CMD_WRITE_CQC_BT1	= 0x11,
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 6fde434..2770fdf 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -843,6 +843,11 @@ struct hns_roce_work {
 	int sub_type;
 };
 
+struct hns_roce_dfx_hw {
+	int (*query_cqc_info)(struct hns_roce_dev *hr_dev, u32 cqn,
+			      int *buffer);
+};
+
 struct hns_roce_hw {
 	int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
 	int (*cmq_init)(struct hns_roce_dev *hr_dev);
@@ -956,6 +961,7 @@ struct hns_roce_dev {
 	const struct hns_roce_hw *hw;
 	void			*priv;
 	struct workqueue_struct *irq_workq;
+	const struct hns_roce_dfx_hw *dfx;
 };
 
 static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
@@ -1174,4 +1180,6 @@ int hns_roce_alloc_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db,
 int hns_roce_init(struct hns_roce_dev *hr_dev);
 void hns_roce_exit(struct hns_roce_dev *hr_dev);
 
+int hns_roce_fill_res_entry(struct sk_buff *msg,
+			    struct rdma_restrack_entry *res);
 #endif /* _HNS_ROCE_DEVICE_H */
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index d63dd15..dd0ff52 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -846,9 +846,9 @@ static void hns_roce_v2_cmq_exit(struct hns_roce_dev *hr_dev)
 	hns_roce_free_cmq_desc(hr_dev, &priv->cmq.crq);
 }
 
-static void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc,
-					  enum hns_roce_opcode_type opcode,
-					  bool is_read)
+void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc,
+				   enum hns_roce_opcode_type opcode,
+				   bool is_read)
 {
 	memset((void *)desc, 0, sizeof(struct hns_roce_cmq_desc));
 	desc->opcode = cpu_to_le16(opcode);
@@ -892,8 +892,8 @@ static int hns_roce_cmq_csq_clean(struct hns_roce_dev *hr_dev)
 	return clean;
 }
 
-static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
-			     struct hns_roce_cmq_desc *desc, int num)
+int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
+		      struct hns_roce_cmq_desc *desc, int num)
 {
 	struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv;
 	struct hns_roce_v2_cmq_ring *csq = &priv->cmq.csq;
@@ -5954,6 +5954,10 @@ static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq,
 	return ret;
 }
 
+static const struct hns_roce_dfx_hw hns_roce_dfx_hw_v2 = {
+	.query_cqc_info = hns_roce_v2_query_cqc_info,
+};
+
 static const struct ib_device_ops hns_roce_v2_dev_ops = {
 	.destroy_qp = hns_roce_v2_destroy_qp,
 	.modify_cq = hns_roce_v2_modify_cq,
@@ -6031,6 +6035,7 @@ static int hns_roce_hw_v2_get_cfg(struct hns_roce_dev *hr_dev,
 	}
 
 	hr_dev->hw = &hns_roce_hw_v2;
+	hr_dev->dfx = &hns_roce_dfx_hw_v2;
 	hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG;
 	hr_dev->odb_offset = hr_dev->sdb_offset;
 
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index 242eeae..39840ce 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -1796,4 +1796,12 @@ struct hns_roce_sccc_clr_done {
 	__le32 rsv[5];
 };
 
+int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
+				int *buffer);
+void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc,
+				    enum hns_roce_opcode_type opcode,
+				    bool is_read);
+int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
+		       struct hns_roce_cmq_desc *desc, int num);
+
 #endif
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2_dfx.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2_dfx.c
new file mode 100644
index 0000000..76cdbc9
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2_dfx.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+// Copyright (c) 2019 Hisilicon Limited.
+
+#include "hnae3.h"
+#include "hns_roce_device.h"
+#include "hns_roce_cmd.h"
+#include "hns_roce_hw_v2.h"
+
+int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
+				int *buffer)
+{
+	struct hns_roce_v2_cq_context *cq_context;
+	struct hns_roce_cmd_mailbox *mailbox;
+	int ret;
+
+	mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	cq_context = mailbox->buf;
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma,
+		cqn, 0,
+		HNS_ROCE_CMD_QUERY_CQC,
+		HNS_ROCE_CMD_TIMEOUT_MSECS);
+	if (ret) {
+		dev_err(hr_dev->dev, "QUERY cqc cmd process error\n");
+		goto err_mailbox;
+	}
+
+	memcpy(buffer, cq_context, sizeof(*cq_context));
+
+err_mailbox:
+	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
+
+	return ret;
+}
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 67a8c43..6f08bac 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -561,6 +561,9 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
 		ib_set_device_ops(ib_dev, hr_dev->hw->hns_roce_dev_srq_ops);
 	}
 
+	/* OTHERS */
+	ib_dev->res.fill_res_entry = hns_roce_fill_res_entry;
+
 	ib_dev->driver_id = RDMA_DRIVER_HNS;
 	ib_set_device_ops(ib_dev, hr_dev->hw->hns_roce_dev_ops);
 	ib_set_device_ops(ib_dev, &hns_roce_dev_ops);
diff --git a/drivers/infiniband/hw/hns/hns_roce_restrack.c b/drivers/infiniband/hw/hns/hns_roce_restrack.c
new file mode 100644
index 0000000..cd35fe0
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_restrack.c
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+// Copyright (c) 2019 Hisilicon Limited.
+
+#include <rdma/rdma_cm.h>
+#include <rdma/restrack.h>
+#include <uapi/rdma/rdma_netlink.h>
+#include "hnae3.h"
+#include "hns_roce_common.h"
+#include "hns_roce_device.h"
+#include "hns_roce_hw_v2.h"
+
+static int hns_roce_fill_cq(struct sk_buff *msg,
+			     struct hns_roce_v2_cq_context *context)
+{
+	if (rdma_nl_put_driver_u32(msg, "state",
+				   roce_get_field(context->byte_4_pg_ceqn,
+				   V2_CQC_BYTE_4_ARM_ST_M,
+				   V2_CQC_BYTE_4_ARM_ST_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "hns_ceqn",
+				   roce_get_field(context->byte_4_pg_ceqn,
+				   V2_CQC_BYTE_4_CEQN_M,
+				   V2_CQC_BYTE_4_CEQN_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "hns_cqn",
+				   roce_get_field(context->byte_8_cqn,
+				   V2_CQC_BYTE_8_CQN_M,
+				   V2_CQC_BYTE_8_CQN_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "hopnum",
+				   roce_get_field(context->byte_16_hop_addr,
+				   V2_CQC_BYTE_16_CQE_HOP_NUM_M,
+				   V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "hns_pi",
+				   roce_get_field(context->byte_28_cq_pi,
+				   V2_CQC_BYTE_28_CQ_PRODUCER_IDX_M,
+				   V2_CQC_BYTE_28_CQ_PRODUCER_IDX_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "hns_ci",
+				   roce_get_field(context->byte_32_cq_ci,
+				   V2_CQC_BYTE_16_CQE_HOP_NUM_M,
+				   V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "coalesce",
+				   roce_get_field(
+				   context->byte_56_cqe_period_maxcnt,
+				   V2_CQC_BYTE_56_CQ_MAX_CNT_M,
+				   V2_CQC_BYTE_56_CQ_MAX_CNT_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "period",
+				   roce_get_field(
+				   context->byte_56_cqe_period_maxcnt,
+				   V2_CQC_BYTE_56_CQ_PERIOD_M,
+				   V2_CQC_BYTE_56_CQ_PERIOD_S)))
+		goto err;
+
+	if (rdma_nl_put_driver_u32(msg, "cnt",
+				   roce_get_field(context->byte_52_cqe_cnt,
+				   V2_CQC_BYTE_52_CQE_CNT_M,
+				   V2_CQC_BYTE_52_CQE_CNT_S)))
+		goto err;
+
+	return 0;
+
+err:
+	return -EMSGSIZE;
+}
+
+static int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
+				       struct rdma_restrack_entry *res)
+{
+	struct ib_cq  *ib_cq = container_of(res, struct ib_cq, res);
+	struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
+	struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
+	struct hns_roce_v2_cq_context *context;
+	struct nlattr *table_attr;
+	int ret;
+
+	if (!hr_dev->dfx->query_cqc_info)
+		return -EINVAL;
+
+	context = kzalloc(sizeof(struct hns_roce_v2_cq_context), GFP_KERNEL);
+	if (!context)
+		return -ENOMEM;
+
+	ret = hr_dev->dfx->query_cqc_info(hr_dev, hr_cq->cqn, (int *)context);
+	if (ret)
+		goto err;
+
+	table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+	if (!table_attr)
+		goto err;
+
+	if (hns_roce_fill_cq(msg, context))
+		goto err_cancel_table;
+
+	nla_nest_end(msg, table_attr);
+	kfree(context);
+
+	return 0;
+
+err_cancel_table:
+	nla_nest_cancel(msg, table_attr);
+err:
+	kfree(context);
+	return -EMSGSIZE;
+}
+
+int hns_roce_fill_res_entry(struct sk_buff *msg,
+			     struct rdma_restrack_entry *res)
+{
+	if (res->type == RDMA_RESTRACK_CQ)
+		return hns_roce_fill_res_cq_entry(msg, res);
+
+	return 0;
+}
