[V2,net-next,3/8] net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
new file mode 100644
index 0000000..a878c63
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -0,0 +1,1494 @@ 
+/*
+ * Copyright (c) 2016-2017 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/etherdevice.h>
+#include "hclgevf_cmd.h"
+#include "hclgevf_main.h"
+#include "hclge_mbx.h"
+#include "hnae3.h"
+
+#define HCLGEVF_NAME	"hclgevf"
+
+static struct hnae3_ae_algo ae_algovf;
+
+static const struct pci_device_id ae_algovf_pci_tbl[] = {
+	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_VF), 0},
+	{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_DCB_PFC_VF), 0},
+	/* required last entry */
+	{0, }
+};
+
+static inline struct hclgevf_dev *hclgevf_ae_get_hdev(
+	struct hnae3_handle *handle)
+{
+	return container_of(handle, struct hclgevf_dev, nic);
+}
+
+static int hclgevf_tqps_update_stats(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hnae3_queue *queue;
+	struct hclgevf_desc desc;
+	struct hclgevf_tqp *tqp;
+	int status;
+	int i;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		queue = handle->kinfo.tqp[i];
+		tqp = container_of(queue, struct hclgevf_tqp, q);
+		hclgevf_cmd_setup_basic_desc(&desc,
+					     HCLGEVF_OPC_QUERY_RX_STATUS,
+					     true);
+
+		desc.data[0] = cpu_to_le32(tqp->index & 0x1ff);
+		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+		if (status) {
+			dev_err(&hdev->pdev->dev,
+				"Query tqp stat fail, status = %d,queue = %d\n",
+				status,	i);
+			return status;
+		}
+		tqp->tqp_stats.rcb_rx_ring_pktnum_rcd +=
+			le32_to_cpu(desc.data[4]);
+
+		hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_QUERY_TX_STATUS,
+					     true);
+
+		desc.data[0] = cpu_to_le32(tqp->index & 0x1ff);
+		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+		if (status) {
+			dev_err(&hdev->pdev->dev,
+				"Query tqp stat fail, status = %d,queue = %d\n",
+				status, i);
+			return status;
+		}
+		tqp->tqp_stats.rcb_tx_ring_pktnum_rcd +=
+			le32_to_cpu(desc.data[4]);
+	}
+
+	return 0;
+}
+
+static u64 *hclgevf_tqps_get_stats(struct hnae3_handle *handle, u64 *data)
+{
+	struct hnae3_knic_private_info *kinfo = &handle->kinfo;
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hclgevf_tqp *tqp;
+	u64 *buff = data;
+	int i;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		tqp = container_of(handle->kinfo.tqp[i], struct hclgevf_tqp, q);
+		*buff++ = tqp->tqp_stats.rcb_tx_ring_pktnum_rcd;
+	}
+	for (i = 0; i < kinfo->num_tqps; i++) {
+		tqp = container_of(handle->kinfo.tqp[i], struct hclgevf_tqp, q);
+		*buff++ = tqp->tqp_stats.rcb_rx_ring_pktnum_rcd;
+	}
+
+	return buff;
+}
+
+static int hclgevf_tqps_get_sset_count(struct hnae3_handle *handle, int strset)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hdev->num_tqps * 2;
+}
+
+static u8 *hclgevf_tqps_get_strings(struct hnae3_handle *handle, u8 *data)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	u8 *buff = data;
+	int i = 0;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		struct hclgevf_tqp *tqp = container_of(handle->kinfo.tqp[i],
+			struct hclgevf_tqp, q);
+		snprintf(buff, ETH_GSTRING_LEN, "rcb_q%d_tx_pktnum_rcd",
+			 tqp->index);
+		buff += ETH_GSTRING_LEN;
+	}
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		struct hclgevf_tqp *tqp = container_of(handle->kinfo.tqp[i],
+			struct hclgevf_tqp, q);
+		snprintf(buff, ETH_GSTRING_LEN, "rcb_q%d_rx_pktnum_rcd",
+			 tqp->index);
+		buff += ETH_GSTRING_LEN;
+	}
+
+	return buff;
+}
+
+static void hclgevf_update_stats(struct hnae3_handle *handle,
+				 struct net_device_stats *net_stats)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int status;
+
+	status = hclgevf_tqps_update_stats(handle);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"VF update of TQPS stats fail, status = %d.\n",
+			status);
+}
+
+static int hclgevf_get_sset_count(struct hnae3_handle *handle, int strset)
+{
+	if (strset == ETH_SS_TEST)
+		return -EOPNOTSUPP;
+	else if (strset == ETH_SS_STATS)
+		return hclgevf_tqps_get_sset_count(handle, strset);
+
+	return 0;
+}
+
+static void hclgevf_get_strings(struct hnae3_handle *handle, u32 strset,
+				u8 *data)
+{
+	u8 *p = (char *)data;
+
+	if (strset == ETH_SS_STATS)
+		p = hclgevf_tqps_get_strings(handle, p);
+}
+
+static void hclgevf_get_stats(struct hnae3_handle *handle, u64 *data)
+{
+	hclgevf_tqps_get_stats(handle, data);
+}
+
+static int hclgevf_get_tc_info(struct hclgevf_dev *hdev)
+{
+	u8 resp_msg;
+	int status;
+
+	status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_TCINFO, 0, NULL, 0,
+				      true, &resp_msg, sizeof(u8));
+	if (status) {
+		dev_err(&hdev->pdev->dev,
+			"VF request to get TC info from PF failed %d",
+			status);
+		return status;
+	}
+
+	hdev->hw_tc_map = resp_msg;
+
+	return 0;
+}
+
+static int hclge_get_queue_info(struct hclgevf_dev *hdev)
+{
+#define HCLGEVF_TQPS_RSS_INFO_LEN	8
+	u8 resp_msg[HCLGEVF_TQPS_RSS_INFO_LEN];
+	int status;
+
+	status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_QINFO, 0, NULL, 0,
+				      true, resp_msg,
+				      HCLGEVF_TQPS_RSS_INFO_LEN);
+	if (status) {
+		dev_err(&hdev->pdev->dev,
+			"VF request to get tqp info from PF failed %d",
+			status);
+		return status;
+	}
+
+	memcpy(&hdev->num_tqps, &resp_msg[0], sizeof(u16));
+	memcpy(&hdev->rss_size_max, &resp_msg[2], sizeof(u16));
+	memcpy(&hdev->num_desc, &resp_msg[4], sizeof(u16));
+	memcpy(&hdev->rx_buf_len, &resp_msg[6], sizeof(u16));
+
+	return 0;
+}
+
+static int hclgevf_enable_tso(struct hclgevf_dev *hdev, int enable)
+{
+	struct hclgevf_cfg_tso_status_cmd *req;
+	struct hclgevf_desc desc;
+
+	req = (struct hclgevf_cfg_tso_status_cmd *)desc.data;
+
+	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_TSO_GENERIC_CONFIG,
+				     false);
+	hnae_set_bit(req->tso_enable, HCLGEVF_TSO_ENABLE_B, enable);
+
+	return hclgevf_cmd_send(&hdev->hw, &desc, 1);
+}
+
+static int hclgevf_alloc_tqps(struct hclgevf_dev *hdev)
+{
+	struct hclgevf_tqp *tqp;
+	int i;
+
+	hdev->htqp = devm_kcalloc(&hdev->pdev->dev, hdev->num_tqps,
+				  sizeof(struct hclgevf_tqp), GFP_KERNEL);
+	if (!hdev->htqp)
+		return -ENOMEM;
+
+	tqp = hdev->htqp;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		tqp->dev = &hdev->pdev->dev;
+		tqp->index = i;
+
+		tqp->q.ae_algo = &ae_algovf;
+		tqp->q.buf_size = hdev->rx_buf_len;
+		tqp->q.desc_num = hdev->num_desc;
+		tqp->q.io_base = hdev->hw.io_base + HCLGEVF_TQP_REG_OFFSET +
+			i * HCLGEVF_TQP_REG_SIZE;
+
+		tqp++;
+	}
+
+	return 0;
+}
+
+static int hclgevf_knic_setup(struct hclgevf_dev *hdev)
+{
+	struct hnae3_handle *nic = &hdev->nic;
+	struct hnae3_knic_private_info *kinfo;
+	u16 new_tqps = hdev->num_tqps;
+	int i;
+
+	kinfo = &nic->kinfo;
+	kinfo->num_tc = 0;
+	kinfo->num_desc = hdev->num_desc;
+	kinfo->rx_buf_len = hdev->rx_buf_len;
+	for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++)
+		if (hdev->hw_tc_map & BIT(i))
+			kinfo->num_tc++;
+
+	kinfo->rss_size
+		= min_t(u16, hdev->rss_size_max, new_tqps / kinfo->num_tc);
+	new_tqps = kinfo->rss_size * kinfo->num_tc;
+	kinfo->num_tqps = min(new_tqps, hdev->num_tqps);
+
+	kinfo->tqp = devm_kcalloc(&hdev->pdev->dev, kinfo->num_tqps,
+				  sizeof(struct hnae3_queue *), GFP_KERNEL);
+	if (!kinfo->tqp)
+		return -ENOMEM;
+
+	for (i = 0; i < kinfo->num_tqps; i++) {
+		hdev->htqp[i].q.handle = &hdev->nic;
+		hdev->htqp[i].q.tqp_index = i;
+		kinfo->tqp[i] = &hdev->htqp[i].q;
+	}
+
+	return 0;
+}
+
+static void hclgevf_request_link_info(struct hclgevf_dev *hdev)
+{
+	int status;
+	u8 resp_msg;
+
+	status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_LINK_STATUS, 0, NULL,
+				      0, false, &resp_msg, sizeof(u8));
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"VF failed to fetch link status(%d) from PF", status);
+}
+
+void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state)
+{
+	struct hnae3_handle *handle = &hdev->nic;
+	struct hnae3_client *client;
+
+	client = handle->client;
+
+	if (link_state != hdev->hw.mac.link) {
+		client->ops->link_status_change(handle, !!link_state);
+		hdev->hw.mac.link = link_state;
+	}
+}
+
+static int hclgevf_set_handle_info(struct hclgevf_dev *hdev)
+{
+	struct hnae3_handle *nic = &hdev->nic;
+	int ret;
+
+	nic->ae_algo = &ae_algovf;
+	nic->pdev = hdev->pdev;
+	nic->numa_node_mask = hdev->numa_node_mask;
+
+	if (hdev->ae_dev->dev_type != HNAE3_DEV_KNIC) {
+		dev_err(&hdev->pdev->dev, "unsupported device type %d\n",
+			hdev->ae_dev->dev_type);
+		return -EINVAL;
+	}
+
+	ret = hclgevf_knic_setup(hdev);
+	if (ret)
+		dev_err(&hdev->pdev->dev, "VF knic setup failed %d\n",
+			ret);
+	return ret;
+}
+
+static void hclgevf_free_vector(struct hclgevf_dev *hdev, int vector_id)
+{
+	hdev->vector_status[vector_id] = HCLGEVF_INVALID_VPORT;
+	hdev->num_msi_left += 1;
+	hdev->num_msi_used -= 1;
+}
+
+static int hclgevf_get_vector(struct hnae3_handle *handle, u16 vector_num,
+			      struct hnae3_vector_info *vector_info)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hnae3_vector_info *vector = vector_info;
+	int alloc = 0;
+	int i, j;
+
+	vector_num = min(hdev->num_msi_left, vector_num);
+
+	for (j = 0; j < vector_num; j++) {
+		for (i = HCLGEVF_MISC_VECTOR_NUM + 1; i < hdev->num_msi; i++) {
+			if (hdev->vector_status[i] == HCLGEVF_INVALID_VPORT) {
+				vector->vector = pci_irq_vector(hdev->pdev, i);
+				vector->io_addr = hdev->hw.io_base +
+					HCLGEVF_VECTOR_REG_BASE +
+					(i - 1) * HCLGEVF_VECTOR_REG_OFFSET;
+				hdev->vector_status[i] = 0;
+				hdev->vector_irq[i] = vector->vector;
+
+				vector++;
+				alloc++;
+
+				break;
+			}
+		}
+	}
+	hdev->num_msi_left -= alloc;
+	hdev->num_msi_used += alloc;
+
+	return alloc;
+}
+
+static int hclgevf_get_vector_index(struct hclgevf_dev *hdev, int vector)
+{
+	int i;
+
+	for (i = 0; i < hdev->num_msi; i++)
+		if (vector == hdev->vector_irq[i])
+			return i;
+
+	return -EINVAL;
+}
+
+static u32 hclgevf_get_rss_key_size(struct hnae3_handle *handle)
+{
+	return HCLGEVF_RSS_KEY_SIZE;
+}
+
+static u32 hclgevf_get_rss_indir_size(struct hnae3_handle *handle)
+{
+	return HCLGEVF_RSS_IND_TBL_SIZE;
+}
+
+static int hclgevf_set_rss_indir_table(struct hclgevf_dev *hdev)
+{
+	const u8 *indir = hdev->rss_cfg.rss_indirection_tbl;
+	struct hclgevf_rss_indirection_table_cmd *req;
+	struct hclgevf_desc desc;
+	int status;
+	int i, j;
+
+	req = (struct hclgevf_rss_indirection_table_cmd *)desc.data;
+
+	for (i = 0; i < HCLGEVF_RSS_CFG_TBL_NUM; i++) {
+		hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_INDIR_TABLE,
+					     false);
+		req->start_table_index = i * HCLGEVF_RSS_CFG_TBL_SIZE;
+		req->rss_set_bitmap = HCLGEVF_RSS_SET_BITMAP_MSK;
+		for (j = 0; j < HCLGEVF_RSS_CFG_TBL_SIZE; j++)
+			req->rss_result[j] =
+				indir[i * HCLGEVF_RSS_CFG_TBL_SIZE + j];
+
+		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+		if (status) {
+			dev_err(&hdev->pdev->dev,
+				"VF failed(=%d) to set RSS indirection table\n",
+				status);
+			return status;
+		}
+	}
+
+	return 0;
+}
+
+static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev,  u16 rss_size)
+{
+	struct hclgevf_rss_tc_mode_cmd *req;
+	u16 tc_offset[HCLGEVF_MAX_TC_NUM];
+	u16 tc_valid[HCLGEVF_MAX_TC_NUM];
+	u16 tc_size[HCLGEVF_MAX_TC_NUM];
+	struct hclgevf_desc desc;
+	u16 roundup_size;
+	int status;
+	int i;
+
+	req = (struct hclgevf_rss_tc_mode_cmd *)desc.data;
+
+	roundup_size = roundup_pow_of_two(rss_size);
+	roundup_size = ilog2(roundup_size);
+
+	for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) {
+		tc_valid[i] = !!(hdev->hw_tc_map & BIT(i));
+		tc_size[i] = roundup_size;
+		tc_offset[i] = rss_size * i;
+	}
+
+	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false);
+	for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) {
+		hnae_set_bit(req->rss_tc_mode[i], HCLGEVF_RSS_TC_VALID_B,
+			     (tc_valid[i] & 0x1));
+		hnae_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_SIZE_M,
+			       HCLGEVF_RSS_TC_SIZE_S, tc_size[i]);
+		hnae_set_field(req->rss_tc_mode[i], HCLGEVF_RSS_TC_OFFSET_M,
+			       HCLGEVF_RSS_TC_OFFSET_S, tc_offset[i]);
+	}
+	status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"VF failed(=%d) to set rss tc mode\n", status);
+
+	return status;
+}
+
+static int hclgevf_get_rss_hw_cfg(struct hnae3_handle *handle, u8 *hash,
+				  u8 *key)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hclgevf_rss_config_cmd *req;
+	int lkup_times = key ? 3 : 1;
+	struct hclgevf_desc desc;
+	int key_offset;
+	int key_size;
+	int status;
+
+	req = (struct hclgevf_rss_config_cmd *)desc.data;
+	lkup_times = (lkup_times == 3) ? 3 : ((hash) ? 1 : 0);
+
+	for (key_offset = 0; key_offset < lkup_times; key_offset++) {
+		hclgevf_cmd_setup_basic_desc(&desc,
+					     HCLGEVF_OPC_RSS_GENERIC_CONFIG,
+					     true);
+		req->hash_config |= (key_offset << HCLGEVF_RSS_HASH_KEY_OFFSET);
+
+		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+		if (status) {
+			dev_err(&hdev->pdev->dev,
+				"failed to get hardware RSS cfg, status = %d\n",
+				status);
+			return status;
+		}
+
+		if (key_offset == 2)
+			key_size =
+			HCLGEVF_RSS_KEY_SIZE - HCLGEVF_RSS_HASH_KEY_NUM * 2;
+		else
+			key_size = HCLGEVF_RSS_HASH_KEY_NUM;
+
+		if (key)
+			memcpy(key + key_offset * HCLGEVF_RSS_HASH_KEY_NUM,
+			       req->hash_key,
+			       key_size);
+	}
+
+	if (hash) {
+		if ((req->hash_config & 0xf) == HCLGEVF_RSS_HASH_ALGO_TOEPLITZ)
+			*hash = ETH_RSS_HASH_TOP;
+		else
+			*hash = ETH_RSS_HASH_UNKNOWN;
+	}
+
+	return 0;
+}
+
+static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key,
+			   u8 *hfunc)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+	int i;
+
+	if (indir)
+		for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+			indir[i] = rss_cfg->rss_indirection_tbl[i];
+
+	return hclgevf_get_rss_hw_cfg(handle, hfunc, key);
+}
+
+static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir,
+			   const  u8 *key, const  u8 hfunc)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+	int i;
+
+	/* update the shadow RSS table with user specified qids */
+	for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+		rss_cfg->rss_indirection_tbl[i] = indir[i];
+
+	/* update the hardware */
+	return hclgevf_set_rss_indir_table(hdev);
+}
+
+static int hclgevf_get_tc_size(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+
+	return rss_cfg->rss_size;
+}
+
+static int hclgevf_bind_ring_to_vector(struct hnae3_handle *handle, bool en,
+				       int vector,
+				       struct hnae3_ring_chain_node *ring_chain)
+{
+#define HCLGEVF_RING_NODE_VARIABLE_NUM		3
+#define HCLGEVF_RING_MAP_MBX_BASIC_MSG_NUM	3
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hnae3_ring_chain_node *node;
+	struct hclge_mbx_vf_to_pf_cmd *req;
+	struct hclgevf_desc desc;
+	int i, vector_id;
+	int status;
+	u8 type;
+
+	req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data;
+	vector_id = hclgevf_get_vector_index(hdev, vector);
+	if (vector_id < 0) {
+		dev_err(&handle->pdev->dev,
+			"Get vector index fail. ret =%d\n", vector_id);
+		return vector_id;
+	}
+
+	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false);
+	type = en ?
+		HCLGE_MBX_MAP_RING_TO_VECTOR : HCLGE_MBX_UNMAP_RING_TO_VECTOR;
+	req->msg[0] = type;
+	req->msg[1] = vector_id; /* vector_id should be id in VF */
+
+	i = 0;
+	for (node = ring_chain; node; node = node->next) {
+		i++;
+		/* msg[2] is cause num */
+		req->msg[HCLGEVF_RING_NODE_VARIABLE_NUM * i] =
+				hnae_get_bit(node->flag, HNAE3_RING_TYPE_B);
+		req->msg[HCLGEVF_RING_NODE_VARIABLE_NUM * i + 1] =
+				node->tqp_index;
+		if (i == (HCLGE_MBX_VF_MSG_DATA_NUM -
+		    HCLGEVF_RING_MAP_MBX_BASIC_MSG_NUM) /
+		    HCLGEVF_RING_NODE_VARIABLE_NUM) {
+			req->msg[2] = i;
+
+			status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+			if (status) {
+				dev_err(&hdev->pdev->dev,
+					"Map TQP fail, status is %d.\n",
+					status);
+				return status;
+			}
+			i = 0;
+			hclgevf_cmd_setup_basic_desc(&desc,
+						     HCLGEVF_OPC_MBX_VF_TO_PF,
+						     false);
+			req->msg[0] = type;
+			req->msg[1] = vector_id;
+		}
+	}
+
+	if (i > 0) {
+		req->msg[2] = i;
+
+		status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+		if (status) {
+			dev_err(&hdev->pdev->dev,
+				"Map TQP fail, status is %d.\n", status);
+			return status;
+		}
+	}
+
+	return 0;
+}
+
+static int hclgevf_map_ring_to_vector(struct hnae3_handle *handle, int vector,
+				      struct hnae3_ring_chain_node *ring_chain)
+{
+	return hclgevf_bind_ring_to_vector(handle, true, vector, ring_chain);
+}
+
+static int hclgevf_unmap_ring_from_vector(
+				struct hnae3_handle *handle,
+				int vector,
+				struct hnae3_ring_chain_node *ring_chain)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int ret, vector_id;
+
+	vector_id = hclgevf_get_vector_index(hdev, vector);
+	if (vector_id < 0) {
+		dev_err(&handle->pdev->dev,
+			"Get vector index fail. ret =%d\n", vector_id);
+		return vector_id;
+	}
+
+	ret = hclgevf_bind_ring_to_vector(handle, false, vector, ring_chain);
+	if (ret) {
+		dev_err(&handle->pdev->dev,
+			"Unmap ring from vector fail. vector=%d, ret =%d\n",
+			vector_id,
+			ret);
+		return ret;
+	}
+
+	hclgevf_free_vector(hdev, vector);
+
+	return 0;
+}
+
+static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev, u32 en)
+{
+	struct hclge_mbx_vf_to_pf_cmd *req;
+	struct hclgevf_desc desc;
+	int status;
+
+	req = (struct hclge_mbx_vf_to_pf_cmd *)desc.data;
+
+	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_VF_TO_PF, false);
+	req->msg[0] = HCLGE_MBX_SET_PROMISC_MODE;
+	req->msg[1] = en;
+
+	status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"Set promisc mode fail, status is %d.\n", status);
+
+	return status;
+}
+
+static void hclgevf_set_promisc_mode(struct hnae3_handle *handle, u32 en)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	hclgevf_cmd_set_promisc_mode(hdev, en);
+}
+
+static int hclgevf_tqp_enable(struct hclgevf_dev *hdev, int tqp_id,
+			      int stream_id, bool enable)
+{
+	struct hclgevf_cfg_com_tqp_queue_cmd *req;
+	struct hclgevf_desc desc;
+	int status;
+
+	req = (struct hclgevf_cfg_com_tqp_queue_cmd *)desc.data;
+
+	hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_CFG_COM_TQP_QUEUE,
+				     false);
+	req->tqp_id = cpu_to_le16(tqp_id & HCLGEVF_RING_ID_MASK);
+	req->stream_id = cpu_to_le16(stream_id);
+	req->enable |= enable << HCLGEVF_TQP_ENABLE_B;
+
+	status = hclgevf_cmd_send(&hdev->hw, &desc, 1);
+	if (status)
+		dev_err(&hdev->pdev->dev,
+			"TQP enable fail, status =%d.\n", status);
+
+	return status;
+}
+
+static int hclgevf_get_queue_id(struct hnae3_queue *queue)
+{
+	struct hclgevf_tqp *tqp = container_of(queue, struct hclgevf_tqp, q);
+
+	return tqp->index;
+}
+
+static void hclgevf_reset_tqp_stats(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hnae3_queue *queue;
+	struct hclgevf_tqp *tqp;
+	int i;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		queue = handle->kinfo.tqp[i];
+		tqp = container_of(queue, struct hclgevf_tqp, q);
+		memset(&tqp->tqp_stats, 0, sizeof(tqp->tqp_stats));
+	}
+}
+
+static int hclgevf_cfg_func_mta_filter(struct hnae3_handle *handle, bool en)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	u8 msg[2] = {0};
+
+	msg[0] = en;
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MULTICAST,
+				    HCLGE_MBX_MAC_VLAN_MC_FUNC_MTA_ENABLE,
+				    msg, 1, false, NULL, 0);
+}
+
+static void hclgevf_get_mac_addr(struct hnae3_handle *handle, u8 *p)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	ether_addr_copy(p, hdev->hw.mac.mac_addr);
+}
+
+static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	u8 *old_mac_addr = (u8 *)hdev->hw.mac.mac_addr;
+	u8 *new_mac_addr = (u8 *)p;
+	u8 msg_data[ETH_ALEN * 2];
+	int status;
+
+	ether_addr_copy(msg_data, new_mac_addr);
+	ether_addr_copy(&msg_data[ETH_ALEN], old_mac_addr);
+
+	status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST,
+				      HCLGE_MBX_MAC_VLAN_UC_MODIFY,
+				      msg_data, ETH_ALEN * 2,
+				      false, NULL, 0);
+	if (!status)
+		ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr);
+
+	return status;
+}
+
+static int hclgevf_add_uc_addr(struct hnae3_handle *handle,
+			       const unsigned char *addr)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST,
+				    HCLGE_MBX_MAC_VLAN_UC_ADD,
+				    addr, ETH_ALEN, false, NULL, 0);
+}
+
+static int hclgevf_rm_uc_addr(struct hnae3_handle *handle,
+			      const unsigned char *addr)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST,
+				    HCLGE_MBX_MAC_VLAN_UC_REMOVE,
+				    addr, ETH_ALEN, false, NULL, 0);
+}
+
+static int hclgevf_add_mc_addr(struct hnae3_handle *handle,
+			       const unsigned char *addr)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MULTICAST,
+				    HCLGE_MBX_MAC_VLAN_MC_ADD,
+				    addr, ETH_ALEN, false, NULL, 0);
+}
+
+static int hclgevf_rm_mc_addr(struct hnae3_handle *handle,
+			      const unsigned char *addr)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_MULTICAST,
+				    HCLGE_MBX_MAC_VLAN_MC_REMOVE,
+				    addr, ETH_ALEN, false, NULL, 0);
+}
+
+static int hclgevf_set_vlan_filter(struct hnae3_handle *handle,
+				   __be16 proto, u16 vlan_id,
+				   bool is_kill)
+{
+#define HCLGEVF_VLAN_MBX_MSG_LEN 5
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	u8 msg_data[HCLGEVF_VLAN_MBX_MSG_LEN];
+
+	if (vlan_id > 4095)
+		return -EINVAL;
+
+	if (proto != htons(ETH_P_8021Q))
+		return -EPROTONOSUPPORT;
+
+	msg_data[0] = is_kill;
+	memcpy(&msg_data[1], &vlan_id, sizeof(vlan_id));
+	memcpy(&msg_data[3], &proto, sizeof(proto));
+	return hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_VLAN,
+				    HCLGE_MBX_VLAN_FILTER, msg_data,
+				    HCLGEVF_VLAN_MBX_MSG_LEN, false, NULL, 0);
+}
+
+static void hclgevf_reset_tqp(struct hnae3_handle *handle, u16 queue_id)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	u8 msg_data[2];
+
+	memcpy(&msg_data[0], &queue_id, sizeof(queue_id));
+
+	hclgevf_send_mbx_msg(hdev, HCLGE_MBX_QUEUE_RESET, 0, msg_data, 2, false,
+			     NULL, 0);
+}
+
+static u32 hclgevf_get_fw_version(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+	return hdev->fw_version;
+}
+
+static void hclgevf_get_misc_vector(struct hclgevf_dev *hdev)
+{
+	struct hclgevf_misc_vector *vector = &hdev->misc_vector;
+
+	vector->vector_irq = pci_irq_vector(hdev->pdev,
+					    HCLGEVF_MISC_VECTOR_NUM);
+	vector->addr = hdev->hw.io_base + HCLGEVF_MISC_VECTOR_REG_BASE;
+	/* vector status always valid for Vector 0 */
+	hdev->vector_status[HCLGEVF_MISC_VECTOR_NUM] = 0;
+	hdev->vector_irq[HCLGEVF_MISC_VECTOR_NUM] = vector->vector_irq;
+
+	hdev->num_msi_left -= 1;
+	hdev->num_msi_used += 1;
+}
+
+static void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev)
+{
+	if (!test_and_set_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state))
+		schedule_work(&hdev->mbx_service_task);
+}
+
+static void hclgevf_task_schedule(struct hclgevf_dev *hdev)
+{
+	if (!test_bit(HCLGEVF_STATE_DOWN, &hdev->state)  &&
+	    !test_and_set_bit(HCLGEVF_STATE_SERVICE_SCHED, &hdev->state))
+		schedule_work(&hdev->service_task);
+}
+
+static void hclgevf_service_timer(struct timer_list *t)
+{
+	struct hclgevf_dev *hdev = from_timer(hdev, t, service_timer);
+
+	mod_timer(&hdev->service_timer, jiffies + 5 * HZ);
+
+	hclgevf_task_schedule(hdev);
+}
+
+static void hclgevf_mailbox_service_task(struct work_struct *work)
+{
+	struct hclgevf_dev *hdev;
+
+	hdev = container_of(work, struct hclgevf_dev, mbx_service_task);
+
+	if (test_and_set_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state))
+		return;
+
+	clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state);
+
+	hclgevf_mbx_handler(hdev);
+
+	clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state);
+}
+
+static void hclgevf_service_task(struct work_struct *work)
+{
+	struct hclgevf_dev *hdev;
+
+	hdev = container_of(work, struct hclgevf_dev, service_task);
+
+	/* request the link status from the PF. PF would be able to tell VF
+	 * about such updates in future so we might remove this later
+	 */
+	hclgevf_request_link_info(hdev);
+
+	clear_bit(HCLGEVF_STATE_SERVICE_SCHED, &hdev->state);
+}
+
+static void hclgevf_clear_event_cause(struct hclgevf_dev *hdev, u32 regclr)
+{
+	hclgevf_write_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_SRC_REG, regclr);
+}
+
+static bool hclgevf_check_event_cause(struct hclgevf_dev *hdev, u32 *clearval)
+{
+	u32 cmdq_src_reg;
+
+	/* fetch the events from their corresponding regs */
+	cmdq_src_reg = hclgevf_read_dev(&hdev->hw,
+					HCLGEVF_VECTOR0_CMDQ_SRC_REG);
+
+	/* check for vector0 mailbox(=CMDQ RX) event source */
+	if (BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_reg) {
+		cmdq_src_reg &= ~BIT(HCLGEVF_VECTOR0_RX_CMDQ_INT_B);
+		*clearval = cmdq_src_reg;
+		return true;
+	}
+
+	dev_dbg(&hdev->pdev->dev, "vector 0 interrupt from unknown source\n");
+
+	return false;
+}
+
+static void hclgevf_enable_vector(struct hclgevf_misc_vector *vector, bool en)
+{
+	writel(en ? 1 : 0, vector->addr);
+}
+
+static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data)
+{
+	struct hclgevf_dev *hdev = data;
+	u32 clearval;
+
+	hclgevf_enable_vector(&hdev->misc_vector, false);
+	if (!hclgevf_check_event_cause(hdev, &clearval))
+		goto skip_sched;
+
+	/* schedule the VF mailbox service task, if not already scheduled */
+	hclgevf_mbx_task_schedule(hdev);
+
+	hclgevf_clear_event_cause(hdev, clearval);
+
+skip_sched:
+	hclgevf_enable_vector(&hdev->misc_vector, true);
+
+	return IRQ_HANDLED;
+}
+
+static int hclgevf_configure(struct hclgevf_dev *hdev)
+{
+	int ret;
+
+	/* get queue configuration from PF */
+	ret = hclge_get_queue_info(hdev);
+	if (ret)
+		return ret;
+	/* get tc configuration from PF */
+	return hclgevf_get_tc_info(hdev);
+}
+
+static int hclgevf_init_roce_base_info(struct hclgevf_dev *hdev)
+{
+	struct hnae3_handle *roce = &hdev->roce;
+	struct hnae3_handle *nic = &hdev->nic;
+
+	roce->rinfo.num_vectors = HCLGEVF_ROCEE_VECTOR_NUM;
+
+	if (hdev->num_msi_left < roce->rinfo.num_vectors ||
+	    hdev->num_msi_left == 0)
+		return -EINVAL;
+
+	roce->rinfo.base_vector =
+		hdev->vector_status[hdev->num_msi_used];
+
+	roce->rinfo.netdev = nic->kinfo.netdev;
+	roce->rinfo.roce_io_base = hdev->hw.io_base;
+
+	roce->pdev = nic->pdev;
+	roce->ae_algo = nic->ae_algo;
+	roce->numa_node_mask = nic->numa_node_mask;
+
+	return 0;
+}
+
+static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev)
+{
+	struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
+	int i, ret;
+
+	rss_cfg->rss_size = hdev->rss_size_max;
+
+	/* Initialize RSS indirect table for each vport */
+	for (i = 0; i < HCLGEVF_RSS_IND_TBL_SIZE; i++)
+		rss_cfg->rss_indirection_tbl[i] = i % hdev->rss_size_max;
+
+	ret = hclgevf_set_rss_indir_table(hdev);
+	if (ret)
+		return ret;
+
+	return hclgevf_set_rss_tc_mode(hdev, hdev->rss_size_max);
+}
+
+static int hclgevf_init_vlan_config(struct hclgevf_dev *hdev)
+{
+	/* other vlan config(like, VLAN TX/RX offload) would also be added
+	 * here later
+	 */
+	return hclgevf_set_vlan_filter(&hdev->nic, htons(ETH_P_8021Q), 0,
+				       false);
+}
+
+static int hclgevf_ae_start(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int i, queue_id;
+
+	for (i = 0; i < handle->kinfo.num_tqps; i++) {
+		/* ring enable */
+		queue_id = hclgevf_get_queue_id(handle->kinfo.tqp[i]);
+		if (queue_id < 0) {
+			dev_warn(&hdev->pdev->dev,
+				 "Get invalid queue id, ignore it\n");
+			continue;
+		}
+
+		hclgevf_tqp_enable(hdev, queue_id, 0, true);
+	}
+
+	/* reset tqp stats */
+	hclgevf_reset_tqp_stats(handle);
+
+	hclgevf_request_link_info(hdev);
+
+	clear_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+	mod_timer(&hdev->service_timer, jiffies + HZ);
+
+	return 0;
+}
+
+static void hclgevf_ae_stop(struct hnae3_handle *handle)
+{
+	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	int i, queue_id;
+
+	for (i = 0; i < hdev->num_tqps; i++) {
+		/* Ring disable */
+		queue_id = hclgevf_get_queue_id(handle->kinfo.tqp[i]);
+		if (queue_id < 0) {
+			dev_warn(&hdev->pdev->dev,
+				 "Get invalid queue id, ignore it\n");
+			continue;
+		}
+
+		hclgevf_tqp_enable(hdev, queue_id, 0, false);
+	}
+
+	/* reset tqp stats */
+	hclgevf_reset_tqp_stats(handle);
+}
+
+static void hclgevf_state_init(struct hclgevf_dev *hdev)
+{
+	/* setup tasks for the MBX */
+	INIT_WORK(&hdev->mbx_service_task, hclgevf_mailbox_service_task);
+	clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state);
+	clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state);
+
+	/* setup tasks for service timer */
+	timer_setup(&hdev->service_timer, hclgevf_service_timer, 0);
+
+	INIT_WORK(&hdev->service_task, hclgevf_service_task);
+	clear_bit(HCLGEVF_STATE_SERVICE_SCHED, &hdev->state);
+
+	mutex_init(&hdev->mbx_resp.mbx_mutex);
+
+	/* bring the device down */
+	set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+}
+
+static void hclgevf_state_uninit(struct hclgevf_dev *hdev)
+{
+	set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
+
+	if (hdev->service_timer.function)
+		del_timer_sync(&hdev->service_timer);
+	if (hdev->service_task.func)
+		cancel_work_sync(&hdev->service_task);
+	if (hdev->mbx_service_task.func)
+		cancel_work_sync(&hdev->mbx_service_task);
+
+	mutex_destroy(&hdev->mbx_resp.mbx_mutex);
+}
+
+static int hclgevf_init_msi(struct hclgevf_dev *hdev)
+{
+	struct pci_dev *pdev = hdev->pdev;
+	int vectors;
+	int i;
+
+	hdev->num_msi = HCLGEVF_MAX_VF_VECTOR_NUM;
+
+	vectors = pci_alloc_irq_vectors(pdev, 1, hdev->num_msi,
+					PCI_IRQ_MSI | PCI_IRQ_MSIX);
+	if (vectors < 0) {
+		dev_err(&pdev->dev,
+			"failed(%d) to allocate MSI/MSI-X vectors\n",
+			vectors);
+		return vectors;
+	}
+	if (vectors < hdev->num_msi)
+		dev_warn(&hdev->pdev->dev,
+			 "requested %d MSI/MSI-X, but allocated %d MSI/MSI-X\n",
+			 hdev->num_msi, vectors);
+
+	hdev->num_msi = vectors;
+	hdev->num_msi_left = vectors;
+	hdev->base_msi_vector = pdev->irq;
+
+	hdev->vector_status = devm_kcalloc(&pdev->dev, hdev->num_msi,
+					   sizeof(u16), GFP_KERNEL);
+	if (!hdev->vector_status) {
+		pci_free_irq_vectors(pdev);
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < hdev->num_msi; i++)
+		hdev->vector_status[i] = HCLGEVF_INVALID_VPORT;
+
+	hdev->vector_irq = devm_kcalloc(&pdev->dev, hdev->num_msi,
+					sizeof(int), GFP_KERNEL);
+	if (!hdev->vector_irq) {
+		pci_free_irq_vectors(pdev);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static void hclgevf_uninit_msi(struct hclgevf_dev *hdev)
+{
+	struct pci_dev *pdev = hdev->pdev;
+
+	pci_free_irq_vectors(pdev);
+}
+
+static int hclgevf_misc_irq_init(struct hclgevf_dev *hdev)
+{
+	int ret = 0;
+
+	hclgevf_get_misc_vector(hdev);
+
+	ret = request_irq(hdev->misc_vector.vector_irq, hclgevf_misc_irq_handle,
+			  0, "hclgevf_cmd", hdev);
+	if (ret) {
+		dev_err(&hdev->pdev->dev, "VF failed to request misc irq(%d)\n",
+			hdev->misc_vector.vector_irq);
+		return ret;
+	}
+
+	/* enable misc. vector(vector 0) */
+	hclgevf_enable_vector(&hdev->misc_vector, true);
+
+	return ret;
+}
+
+static void hclgevf_misc_irq_uninit(struct hclgevf_dev *hdev)
+{
+	/* disable misc vector(vector 0) */
+	hclgevf_enable_vector(&hdev->misc_vector, false);
+	free_irq(hdev->misc_vector.vector_irq, hdev);
+	hclgevf_free_vector(hdev, 0);
+}
+
+static int hclgevf_init_instance(struct hclgevf_dev *hdev,
+				 struct hnae3_client *client)
+{
+	int ret;
+
+	switch (client->type) {
+	case HNAE3_CLIENT_KNIC:
+		hdev->nic_client = client;
+		hdev->nic.client = client;
+
+		ret = client->ops->init_instance(&hdev->nic);
+		if (ret)
+			return ret;
+
+		if (hdev->roce_client && hnae3_dev_roce_supported(hdev)) {
+			struct hnae3_client *rc = hdev->roce_client;
+
+			ret = hclgevf_init_roce_base_info(hdev);
+			if (ret)
+				return ret;
+			ret = rc->ops->init_instance(&hdev->roce);
+			if (ret)
+				return ret;
+		}
+		break;
+	case HNAE3_CLIENT_UNIC:
+		hdev->nic_client = client;
+		hdev->nic.client = client;
+
+		ret = client->ops->init_instance(&hdev->nic);
+		if (ret)
+			return ret;
+		break;
+	case HNAE3_CLIENT_ROCE:
+		hdev->roce_client = client;
+		hdev->roce.client = client;
+
+		if (hdev->roce_client && hnae3_dev_roce_supported(hdev)) {
+			ret = hclgevf_init_roce_base_info(hdev);
+			if (ret)
+				return ret;
+
+			ret = client->ops->init_instance(&hdev->roce);
+			if (ret)
+				return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void hclgevf_uninit_instance(struct hclgevf_dev *hdev,
+				    struct hnae3_client *client)
+{
+	/* un-init roce, if it exists */
+	if (hdev->roce_client)
+		hdev->roce_client->ops->uninit_instance(&hdev->roce, 0);
+
+	/* un-init nic/unic, if this was not called by roce client */
+	if ((client->ops->uninit_instance) &&
+	    (client->type != HNAE3_CLIENT_ROCE))
+		client->ops->uninit_instance(&hdev->nic, 0);
+}
+
+static int hclgevf_register_client(struct hnae3_client *client,
+				   struct hnae3_ae_dev *ae_dev)
+{
+	struct hclgevf_dev *hdev = ae_dev->priv;
+
+	return hclgevf_init_instance(hdev, client);
+}
+
+static void hclgevf_unregister_client(struct hnae3_client *client,
+				      struct hnae3_ae_dev *ae_dev)
+{
+	struct hclgevf_dev *hdev = ae_dev->priv;
+
+	hclgevf_uninit_instance(hdev, client);
+}
+
+static int hclgevf_pci_init(struct hclgevf_dev *hdev)
+{
+	struct pci_dev *pdev = hdev->pdev;
+	struct hclgevf_hw *hw;
+	int ret;
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to enable PCI device\n");
+		goto err_no_drvdata;
+	}
+
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (ret) {
+		dev_err(&pdev->dev, "can't set consistent PCI DMA, exiting");
+		goto err_disable_device;
+	}
+
+	ret = pci_request_regions(pdev, HCLGEVF_DRIVER_NAME);
+	if (ret) {
+		dev_err(&pdev->dev, "PCI request regions failed %d\n", ret);
+		goto err_disable_device;
+	}
+
+	pci_set_master(pdev);
+	hw = &hdev->hw;
+	hw->hdev = hdev;
+	hw->io_base = pcim_iomap(pdev, 2, 0);
+	if (!hw->io_base) {
+		dev_err(&pdev->dev, "can't map configuration register space\n");
+		ret = -ENOMEM;
+		goto err_clr_master;
+	}
+
+	return 0;
+
+err_clr_master:
+	pci_clear_master(pdev);
+	pci_release_regions(pdev);
+err_disable_device:
+	pci_disable_device(pdev);
+err_no_drvdata:
+	pci_set_drvdata(pdev, NULL);
+	return ret;
+}
+
+static void hclgevf_pci_uninit(struct hclgevf_dev *hdev)
+{
+	struct pci_dev *pdev = hdev->pdev;
+
+	pci_clear_master(pdev);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+	pci_set_drvdata(pdev, NULL);
+}
+
+static int hclgevf_init_ae_dev(struct hnae3_ae_dev *ae_dev)
+{
+	struct pci_dev *pdev = ae_dev->pdev;
+	struct hclgevf_dev *hdev;
+	int ret;
+
+	hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL);
+	if (!hdev)
+		return -ENOMEM;
+
+	hdev->pdev = pdev;
+	hdev->ae_dev = ae_dev;
+	ae_dev->priv = hdev;
+
+	ret = hclgevf_pci_init(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "PCI initialization failed\n");
+		return ret;
+	}
+
+	ret = hclgevf_init_msi(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to init MSI/MSI-X\n", ret);
+		goto err_irq_init;
+	}
+
+	hclgevf_state_init(hdev);
+
+	ret = hclgevf_misc_irq_init(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to init Misc IRQ(vector0)\n",
+			ret);
+		goto err_misc_irq_init;
+	}
+
+	ret = hclgevf_cmd_init(hdev);
+	if (ret)
+		goto err_cmd_init;
+
+	ret = hclgevf_configure(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to fetch configuration\n", ret);
+		goto err_config;
+	}
+
+	ret = hclgevf_alloc_tqps(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to allocate TQPs\n", ret);
+		goto err_config;
+	}
+
+	ret = hclgevf_set_handle_info(hdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to set handle info\n", ret);
+		goto err_config;
+	}
+
+	ret = hclgevf_enable_tso(hdev, true);
+	if (ret) {
+		dev_err(&pdev->dev, "failed(%d) to enable tso\n", ret);
+		goto err_config;
+	}
+
+	/* Initialize VF's MTA */
+	hdev->accept_mta_mc = true;
+	ret = hclgevf_cfg_func_mta_filter(&hdev->nic, hdev->accept_mta_mc);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"failed(%d) to set mta filter mode\n", ret);
+		goto err_config;
+	}
+
+	/* Initialize RSS for this VF */
+	ret = hclgevf_rss_init_hw(hdev);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"failed(%d) to initialize RSS\n", ret);
+		goto err_config;
+	}
+
+	ret = hclgevf_init_vlan_config(hdev);
+	if (ret) {
+		dev_err(&hdev->pdev->dev,
+			"failed(%d) to initialize VLAN config\n", ret);
+		goto err_config;
+	}
+
+	pr_info("finished initializing %s driver\n", HCLGEVF_DRIVER_NAME);
+
+	return 0;
+
+err_config:
+	hclgevf_cmd_uninit(hdev);
+err_cmd_init:
+	hclgevf_misc_irq_uninit(hdev);
+err_misc_irq_init:
+	hclgevf_state_uninit(hdev);
+	hclgevf_uninit_msi(hdev);
+err_irq_init:
+	hclgevf_pci_uninit(hdev);
+	return ret;
+}
+
+static void hclgevf_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
+{
+	struct hclgevf_dev *hdev = ae_dev->priv;
+
+	hclgevf_cmd_uninit(hdev);
+	hclgevf_misc_irq_uninit(hdev);
+	hclgevf_state_uninit(hdev);
+	hclgevf_uninit_msi(hdev);
+	hclgevf_pci_uninit(hdev);
+	ae_dev->priv = NULL;
+}
+
+static const struct hnae3_ae_ops hclgevf_ops = {
+	.init_ae_dev = hclgevf_init_ae_dev,
+	.uninit_ae_dev = hclgevf_uninit_ae_dev,
+	.init_client_instance = hclgevf_register_client,
+	.uninit_client_instance = hclgevf_unregister_client,
+	.start = hclgevf_ae_start,
+	.stop = hclgevf_ae_stop,
+	.map_ring_to_vector = hclgevf_map_ring_to_vector,
+	.unmap_ring_from_vector = hclgevf_unmap_ring_from_vector,
+	.get_vector = hclgevf_get_vector,
+	.reset_queue = hclgevf_reset_tqp,
+	.set_promisc_mode = hclgevf_set_promisc_mode,
+	.get_mac_addr = hclgevf_get_mac_addr,
+	.set_mac_addr = hclgevf_set_mac_addr,
+	.add_uc_addr = hclgevf_add_uc_addr,
+	.rm_uc_addr = hclgevf_rm_uc_addr,
+	.add_mc_addr = hclgevf_add_mc_addr,
+	.rm_mc_addr = hclgevf_rm_mc_addr,
+	.get_stats = hclgevf_get_stats,
+	.update_stats = hclgevf_update_stats,
+	.get_strings = hclgevf_get_strings,
+	.get_sset_count = hclgevf_get_sset_count,
+	.get_rss_key_size = hclgevf_get_rss_key_size,
+	.get_rss_indir_size = hclgevf_get_rss_indir_size,
+	.get_rss = hclgevf_get_rss,
+	.set_rss = hclgevf_set_rss,
+	.get_tc_size = hclgevf_get_tc_size,
+	.get_fw_version = hclgevf_get_fw_version,
+	.set_vlan_filter = hclgevf_set_vlan_filter,
+};
+
+static struct hnae3_ae_algo ae_algovf = {
+	.ops = &hclgevf_ops,
+	.name = HCLGEVF_NAME,
+	.pdev_id_table = ae_algovf_pci_tbl,
+};
+
+static int hclgevf_init(void)
+{
+	pr_info("%s is initializing\n", HCLGEVF_NAME);
+
+	return hnae3_register_ae_algo(&ae_algovf);
+}
+
+static void hclgevf_exit(void)
+{
+	hnae3_unregister_ae_algo(&ae_algovf);
+}
+module_init(hclgevf_init);
+module_exit(hclgevf_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Huawei Tech. Co., Ltd.");
+MODULE_DESCRIPTION("HCLGEVF Driver");
+MODULE_VERSION(HCLGEVF_MOD_VERSION);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
new file mode 100644
index 0000000..4461433
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -0,0 +1,170 @@ 
+/*
+ * Copyright (c) 2016-2017 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __HCLGEVF_MAIN_H
+#define __HCLGEVF_MAIN_H
+#include <linux/fs.h>
+#include <linux/types.h>
+#include "hclge_mbx.h"
+#include "hclgevf_cmd.h"
+#include "hnae3.h"
+
+#define HCLGEVF_MOD_VERSION "v1.0"
+#define HCLGEVF_DRIVER_NAME "hclgevf"
+
+#define HCLGEVF_ROCEE_VECTOR_NUM	0
+#define HCLGEVF_MISC_VECTOR_NUM		0
+
+#define HCLGEVF_INVALID_VPORT		0xffff
+
+/* This number in actual depends upon the total number of VFs
+ * created by physical function. But the maximum number of
+ * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}.
+ */
+#define HCLGEVF_MAX_VF_VECTOR_NUM	(32 + 1)
+
+#define HCLGEVF_VECTOR_REG_BASE		0x20000
+#define HCLGEVF_MISC_VECTOR_REG_BASE	0x20400
+#define HCLGEVF_VECTOR_REG_OFFSET	0x4
+#define HCLGEVF_VECTOR_VF_OFFSET		0x100000
+
+/* Vector0 interrupt CMDQ event source register(RW) */
+#define HCLGEVF_VECTOR0_CMDQ_SRC_REG	0x27100
+/* CMDQ register bits for RX event(=MBX event) */
+#define HCLGEVF_VECTOR0_RX_CMDQ_INT_B	1
+
+#define HCLGEVF_TQP_RESET_TRY_TIMES	10
+
+#define HCLGEVF_RSS_IND_TBL_SIZE		512
+#define HCLGEVF_RSS_SET_BITMAP_MSK	0xffff
+#define HCLGEVF_RSS_KEY_SIZE		40
+#define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ	0
+#define HCLGEVF_RSS_HASH_ALGO_SIMPLE	1
+#define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC	2
+#define HCLGEVF_RSS_HASH_ALGO_MASK	0xf
+#define HCLGEVF_RSS_CFG_TBL_NUM \
+	(HCLGEVF_RSS_IND_TBL_SIZE / HCLGEVF_RSS_CFG_TBL_SIZE)
+
+/* states of hclgevf device & tasks */
+enum hclgevf_states {
+	/* device states */
+	HCLGEVF_STATE_DOWN,
+	HCLGEVF_STATE_DISABLED,
+	/* task states */
+	HCLGEVF_STATE_SERVICE_SCHED,
+	HCLGEVF_STATE_MBX_SERVICE_SCHED,
+	HCLGEVF_STATE_MBX_HANDLING,
+};
+
+#define HCLGEVF_MPF_ENBALE 1
+
+struct hclgevf_mac {
+	u8 mac_addr[ETH_ALEN];
+	int link;
+};
+
+struct hclgevf_hw {
+	void __iomem *io_base;
+	int num_vec;
+	struct hclgevf_cmq cmq;
+	struct hclgevf_mac mac;
+	void *hdev; /* hchgevf device it is part of */
+};
+
+/* TQP stats */
+struct hlcgevf_tqp_stats {
+	/* query_tqp_tx_queue_statistics ,opcode id:  0x0B03 */
+	u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
+	/* query_tqp_rx_queue_statistics ,opcode id:  0x0B13 */
+	u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
+};
+
+struct hclgevf_tqp {
+	struct device *dev;	/* device for DMA mapping */
+	struct hnae3_queue q;
+	struct hlcgevf_tqp_stats tqp_stats;
+	u16 index;		/* global index in a NIC controller */
+
+	bool alloced;
+};
+
+struct hclgevf_cfg {
+	u8 vmdq_vport_num;
+	u8 tc_num;
+	u16 tqp_desc_num;
+	u16 rx_buf_len;
+	u8 phy_addr;
+	u8 media_type;
+	u8 mac_addr[ETH_ALEN];
+	u32 numa_node_map;
+};
+
+struct hclgevf_rss_cfg {
+	u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
+	u32 hash_algo;
+	u32 rss_size;
+	u8 hw_tc_map;
+	u8  rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */
+};
+
+struct hclgevf_misc_vector {
+	u8 __iomem *addr;
+	int vector_irq;
+};
+
+struct hclgevf_dev {
+	struct pci_dev *pdev;
+	struct hnae3_ae_dev *ae_dev;
+	struct hclgevf_hw hw;
+	struct hclgevf_misc_vector misc_vector;
+	struct hclgevf_rss_cfg rss_cfg;
+	unsigned long state;
+
+	u32 fw_version;
+	u16 num_tqps;		/* num task queue pairs of this PF */
+
+	u16 alloc_rss_size;	/* allocated RSS task queue */
+	u16 rss_size_max;	/* HW defined max RSS task queue */
+
+	u16 num_alloc_vport;	/* num vports this driver supports */
+	u32 numa_node_mask;
+	u16 rx_buf_len;
+	u16 num_desc;
+	u8 hw_tc_map;
+
+	u16 num_msi;
+	u16 num_msi_left;
+	u16 num_msi_used;
+	u32 base_msi_vector;
+	u16 *vector_status;
+	int *vector_irq;
+
+	bool accept_mta_mc; /* whether to accept mta filter multicast */
+	struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
+
+	struct timer_list service_timer;
+	struct work_struct service_task;
+	struct work_struct mbx_service_task;
+
+	struct hclgevf_tqp *htqp;
+
+	struct hnae3_handle nic;
+	struct hnae3_handle roce;
+
+	struct hnae3_client *nic_client;
+	struct hnae3_client *roce_client;
+	u32 flag;
+};
+
+int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode,
+			 const u8 *msg_data, u8 msg_len, bool need_resp,
+			 u8 *resp_data, u16 resp_len);
+void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
+void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
+#endif