[PATCH 2/7] scsi/hifc: add hifc driver port manager module

16 Nov 2020

From: Chenguangli chenguangli2@huawei.com
driver inclusion
category: feature
bugzilla: NA
-----------------------------------------------------------------------
This module includes the tool channel for processing tool commands and
management commands for managing nport and hba resources.
Signed-off-by: Chenguangli chenguangli2@huawei.com
Reviewed-by: Zengweiliang zengweiliang.zengweiliang@huawei.com
Acked-by: Hanjun Guo guohanjun@huawei.com
Signed-off-by: Yang Yingliang yangyingliang@huawei.com
---
 drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c |  952 ++++
 drivers/scsi/huawei/hifc/hifc_dbgtool_knl.h |  107 +
 drivers/scsi/huawei/hifc/hifc_lld.c         |  895 +++
 drivers/scsi/huawei/hifc/hifc_lld.h         |   79 +
 drivers/scsi/huawei/hifc/hifc_portmng.c     | 1273 +++++
 drivers/scsi/huawei/hifc/hifc_portmng.h     |  223 +
 drivers/scsi/huawei/hifc/hifc_tool.c        |  785 +++
 drivers/scsi/huawei/hifc/hifc_tool.h        |  332 ++
 drivers/scsi/huawei/hifc/hifc_tool_hw.c     | 1010 ++++
 drivers/scsi/huawei/hifc/unf_portman.c      | 5565 +++++++++++++++++++
 drivers/scsi/huawei/hifc/unf_portman.h      |  305 +
 11 files changed, 11526 insertions(+)
 create mode 100644 drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
 create mode 100644 drivers/scsi/huawei/hifc/hifc_dbgtool_knl.h
 create mode 100644 drivers/scsi/huawei/hifc/hifc_lld.c
 create mode 100644 drivers/scsi/huawei/hifc/hifc_lld.h
 create mode 100644 drivers/scsi/huawei/hifc/hifc_portmng.c
 create mode 100644 drivers/scsi/huawei/hifc/hifc_portmng.h
 create mode 100644 drivers/scsi/huawei/hifc/hifc_tool.c
 create mode 100644 drivers/scsi/huawei/hifc/hifc_tool.h
 create mode 100644 drivers/scsi/huawei/hifc/hifc_tool_hw.c
 create mode 100644 drivers/scsi/huawei/hifc/unf_portman.c
 create mode 100644 drivers/scsi/huawei/hifc/unf_portman.h

diff --git a/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
new file mode 100644
index 000000000000..a70b155b76f2
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
@@ -0,0 +1,952 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": [COMM]" fmt
+
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/rtc.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/if.h>
+#include <linux/ioctl.h>
+#include <linux/pci.h>
+#include <linux/fs.h>
+
+#include "hifc_knl_adp.h"
+#include "hifc_hw.h"
+#include "hifc_hwdev.h"
+#include "hifc_hwif.h"
+#include "hifc_api_cmd.h"
+#include "hifc_mgmt.h"
+#include "hifc_lld.h"
+#include "hifc_tool.h"
+#include "hifc_dbgtool_knl.h"
+
+struct ffm_intr_info {
+	u8 node_id;
+	/* error level of the interrupt source */
+	u8 err_level;
+	/* Classification by interrupt source properties */
+	u16 err_type;
+	u32 err_csr_addr;
+	u32 err_csr_value;
+};
+
+#define DBGTOOL_MSG_MAX_SIZE            2048ULL
+#define HIFC_SELF_CMD_UP2PF_FFM         0x26
+
+void *g_card_node_array[MAX_CARD_NUM] = {0};
+void *g_card_vir_addr[MAX_CARD_NUM] = {0};
+u64 g_card_phy_addr[MAX_CARD_NUM] = {0};
+/* lock for g_card_vir_addr */
+struct mutex	g_addr_lock;
+int card_id;
+
+/* dbgtool character device name, class name, dev path */
+#define CHR_DEV_DBGTOOL "hifc_dbgtool_chr_dev"
+#define CLASS_DBGTOOL "hifc_dbgtool_class"
+#define DBGTOOL_DEV_PATH "/dev/hifc_dbgtool_chr_dev"
+
+struct dbgtool_k_glb_info {
+	struct semaphore dbgtool_sem;
+	struct ffm_record_info *ffm;
+};
+
+dev_t dbgtool_dev_id; /* device id */
+struct cdev dbgtool_chr_dev; /* struct of char device */
+
+/*lint -save -e104 -e808*/
+struct class *dbgtool_d_class; /* struct of char class */
+/*lint -restore*/
+
+int g_dbgtool_init_flag;
+int g_dbgtool_ref_cnt;
+
+static int dbgtool_knl_open(struct inode *pnode,
+			    struct file *pfile)
+{
+	return 0;
+}
+
+static int dbgtool_knl_release(struct inode *pnode,
+			       struct file *pfile)
+{
+	return 0;
+}
+
+static ssize_t dbgtool_knl_read(struct file *pfile,
+				char __user *ubuf,
+				size_t size,
+				loff_t *ppos)
+{
+	return 0;
+}
+
+static ssize_t dbgtool_knl_write(struct file *pfile,
+				 const char __user *ubuf,
+				 size_t size,
+				 loff_t *ppos)
+{
+	return 0;
+}
+
+static bool is_valid_phy_addr(u64 offset)
+{
+	int i;
+
+	for (i = 0; i < MAX_CARD_NUM; i++) {
+		if (offset == g_card_phy_addr[i])
+			return true;
+	}
+
+	return false;
+}
+
+int hifc_mem_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	unsigned long vmsize = vma->vm_end - vma->vm_start;
+	phys_addr_t offset = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
+	phys_addr_t phy_addr;
+
+	if (vmsize > (PAGE_SIZE * (1 << DBGTOOL_PAGE_ORDER))) {
+		pr_err("Map size = %lu is bigger than alloc\n", vmsize);
+		return -EAGAIN;
+	}
+
+	if (offset && !is_valid_phy_addr((u64)offset) &&
+	    !hifc_is_valid_bar_addr((u64)offset)) {
+		pr_err("offset is invalid");
+		return -EAGAIN;
+	}
+
+	/* old version of tool set vma->vm_pgoff to 0 */
+	phy_addr = offset ? offset : g_card_phy_addr[card_id];
+	if (!phy_addr) {
+		pr_err("Card_id = %d physical address is 0\n", card_id);
+		return -EAGAIN;
+	}
+
+	if (remap_pfn_range(vma, vma->vm_start,
+			    (phy_addr >> PAGE_SHIFT),
+			    vmsize, vma->vm_page_prot))
+		return -EAGAIN;
+
+	return 0;
+}
+
+/**
+ * dbgtool_knl_api_cmd_read - used for read operations
+ * @para: the dbgtool parameter
+ * @g_func_handle_array: global function handle
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_api_cmd_read(struct dbgtool_param *para,
+			      void **g_func_handle_array)
+{
+	long ret = 0;
+	u8 *cmd;
+	u16 size;
+	void *ack;
+	u16 ack_size;
+	u32 pf_id;
+	void *hwdev;
+
+	pf_id = para->param.api_rd.pf_id;
+	if (pf_id >= 16) {
+		pr_err("PF id(0x%x) too big\n", pf_id);
+		return -EFAULT;
+	}
+
+	/* obtaining pf_id chipif pointer */
+	hwdev = g_func_handle_array[pf_id];
+	if (!hwdev) {
+		pr_err("PF id(0x%x) handle null in api cmd read\n", pf_id);
+		return -EFAULT;
+	}
+
+	/* alloc cmd and ack memory */
+	size = para->param.api_rd.size;
+	if (para->param.api_rd.size == 0 || size > DBGTOOL_MSG_MAX_SIZE) {
+		pr_err("Read cmd size invalid or more than 2K\n");
+		return -EINVAL;
+	}
+	cmd = kzalloc((unsigned long long)size, GFP_KERNEL);
+	if (!cmd) {
+		pr_err("Alloc read cmd mem fail\n");
+		return -ENOMEM;
+	}
+
+	ack_size = para->param.api_rd.ack_size;
+	if (para->param.api_rd.ack_size == 0 ||
+	    ack_size > DBGTOOL_MSG_MAX_SIZE) {
+		pr_err("Read cmd ack size is 0\n");
+		ret = -ENOMEM;
+		goto alloc_ack_mem_fail;
+	}
+
+	ack = kzalloc((unsigned long long)ack_size, GFP_KERNEL);
+	if (!ack) {
+		pr_err("Alloc read ack mem fail\n");
+		ret = -ENOMEM;
+		goto alloc_ack_mem_fail;
+	}
+
+	/* cmd content copied from user-mode */
+	if (copy_from_user(cmd, para->param.api_rd.cmd, (unsigned long)size)) {
+		pr_err("Copy cmd from user fail\n");
+		ret = -EFAULT;
+		goto copy_user_cmd_fail;
+	}
+	/* Invoke the api cmd interface read content*/
+	ret = hifc_api_cmd_read_ack(hwdev, para->param.api_rd.dest,
+				    cmd, size, ack, ack_size);
+	if (ret) {
+		pr_err("Api send single cmd ack fail!\n");
+		goto api_rd_fail;
+	}
+
+	/* Copy the contents of the ack to the user state */
+	if (copy_to_user(para->param.api_rd.ack, ack, ack_size)) {
+		pr_err("Copy ack to user fail\n");
+		ret = -EFAULT;
+	}
+api_rd_fail:
+copy_user_cmd_fail:
+	kfree(ack);
+alloc_ack_mem_fail:
+	kfree(cmd);
+	return ret;
+}
+
+/**
+ * dbgtool_knl_api_cmd_write - used for write operations
+ * @para: the dbgtool parameter
+ * @g_func_handle_array: global function handle
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_api_cmd_write(struct dbgtool_param *para,
+			       void **g_func_handle_array)
+{
+	long ret = 0;
+	u8 *cmd;
+	u16 size;
+	u32 pf_id;
+	void *hwdev;
+
+	pf_id = para->param.api_wr.pf_id;
+	if (pf_id >= 16) {
+		pr_err("PF id(0x%x) too big\n", pf_id);
+		return -EFAULT;
+	}
+
+	/* obtaining chipif pointer according to pf_id */
+	hwdev = g_func_handle_array[pf_id];
+	if (!hwdev) {
+		pr_err("PF id(0x%x) handle null\n", pf_id);
+		return -EFAULT;
+	}
+
+	/* alloc cmd memory */
+	size = para->param.api_wr.size;
+	if (para->param.api_wr.size == 0 || size > DBGTOOL_MSG_MAX_SIZE) {
+		pr_err("Write cmd size invalid or more than 2K\n");
+		return -EINVAL;
+	}
+	cmd = kzalloc((unsigned long long)size, GFP_KERNEL);
+	if (!cmd) {
+		pr_err("Alloc write cmd mem fail\n");
+		return -ENOMEM;
+	}
+
+	/* cmd content copied from user-mode */
+	if (copy_from_user(cmd, para->param.api_wr.cmd, (unsigned long)size)) {
+		pr_err("Copy cmd from user fail\n");
+		ret = -EFAULT;
+		goto copy_user_cmd_fail;
+	}
+
+	/* api cmd interface is invoked to write the content */
+	ret = hifc_api_cmd_write_nack(hwdev, para->param.api_wr.dest,
+				      cmd, size);
+	if (ret)
+		pr_err("Api send single cmd nack fail\n");
+
+copy_user_cmd_fail:
+	kfree(cmd);
+	return ret;
+}
+
+void chipif_get_all_pf_dev_info(struct pf_dev_info *dev_info, int card_idx,
+				void **g_func_handle_array)
+{
+	u32 func_idx;
+	struct hifc_hwdev *hwdev;
+
+	if (!dev_info) {
+		pr_err("Params error!\n");
+		return;
+	}
+
+	/* pf at most 16 */
+	for (func_idx = 0; func_idx < 16; func_idx++) {
+		hwdev = (struct hifc_hwdev *)g_func_handle_array[func_idx];
+
+		dev_info[func_idx].phy_addr = g_card_phy_addr[card_idx];
+
+		if (!hwdev) {
+			dev_info[func_idx].bar0_size = 0;
+			dev_info[func_idx].bus = 0;
+			dev_info[func_idx].slot = 0;
+			dev_info[func_idx].func = 0;
+		} else {
+			dev_info[func_idx].bar0_size =
+				pci_resource_len
+				(((struct pci_dev *)hwdev->pcidev_hdl), 0);
+			dev_info[func_idx].bus =
+				((struct pci_dev *)
+				hwdev->pcidev_hdl)->bus->number;
+			dev_info[func_idx].slot =
+				PCI_SLOT(((struct pci_dev *)hwdev->pcidev_hdl)
+						->devfn);
+			dev_info[func_idx].func =
+				PCI_FUNC(((struct pci_dev *)hwdev->pcidev_hdl)
+						->devfn);
+		}
+	}
+}
+
+/**
+ * dbgtool_knl_pf_dev_info_get - Obtain the pf sdk_info
+ * @para: the dbgtool parameter
+ * @g_func_handle_array: global function handle
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_pf_dev_info_get(struct dbgtool_param *para,
+				 void **g_func_handle_array)
+{
+	struct pf_dev_info dev_info[16] = { {0} };
+	unsigned char *tmp;
+	int i;
+
+	mutex_lock(&g_addr_lock);
+	if (!g_card_vir_addr[card_id]) {
+		g_card_vir_addr[card_id] =
+			(void *)__get_free_pages(GFP_KERNEL,
+						 DBGTOOL_PAGE_ORDER);
+		if (!g_card_vir_addr[card_id]) {
+			pr_err("Alloc dbgtool api chain fail!\n");
+			mutex_unlock(&g_addr_lock);
+			return -EFAULT;
+		}
+
+		memset(g_card_vir_addr[card_id], 0,
+		       PAGE_SIZE * (1 << DBGTOOL_PAGE_ORDER));
+
+		g_card_phy_addr[card_id] =
+			virt_to_phys(g_card_vir_addr[card_id]);
+		if (!g_card_phy_addr[card_id]) {
+			pr_err("phy addr for card %d is 0\n", card_id);
+			free_pages((unsigned long)g_card_vir_addr[card_id],
+				   DBGTOOL_PAGE_ORDER);
+			g_card_vir_addr[card_id] = NULL;
+			mutex_unlock(&g_addr_lock);
+			return -EFAULT;
+		}
+
+		tmp = g_card_vir_addr[card_id];
+		for (i = 0; i < (1 << DBGTOOL_PAGE_ORDER); i++) {
+			SetPageReserved(virt_to_page(tmp));
+			tmp += PAGE_SIZE;
+		}
+	}
+	mutex_unlock(&g_addr_lock);
+
+	chipif_get_all_pf_dev_info(dev_info, card_id, g_func_handle_array);
+
+	/* Copy the dev_info to user mode */
+	if (copy_to_user(para->param.dev_info, dev_info,
+			 (unsigned int)sizeof(dev_info))) {
+		pr_err("Copy dev_info to user fail\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/**
+ * dbgtool_knl_ffm_info_rd - Read ffm information
+ * @para: the dbgtool parameter
+ * @dbgtool_info: the dbgtool info
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_ffm_info_rd(struct dbgtool_param *para,
+			     struct dbgtool_k_glb_info *dbgtool_info)
+{
+	/* Copy the ffm_info to user mode */
+	if (copy_to_user(para->param.ffm_rd, dbgtool_info->ffm,
+			 (unsigned int)sizeof(struct ffm_record_info))) {
+		pr_err("Copy ffm_info to user fail\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/**
+ * dbgtool_knl_ffm_info_clr - Clear FFM information
+ * @para: unused
+ * @dbgtool_info: the dbgtool info
+ */
+void dbgtool_knl_ffm_info_clr(struct dbgtool_param *para,
+			      struct dbgtool_k_glb_info *dbgtool_info)
+{
+	dbgtool_info->ffm->ffm_num = 0;
+}
+
+/**
+ * dbgtool_knl_msg_to_up - After receiving dbgtool command sends a message to uP
+ * @para: the dbgtool parameter
+ * @g_func_handle_array: global function handle
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_msg_to_up(struct dbgtool_param *para,
+			   void **g_func_handle_array)
+{
+	long ret = 0;
+	void *buf_in;
+	void *buf_out;
+	u16 out_size;
+	u8 pf_id;
+
+	if (para->param.msg2up.in_size > DBGTOOL_MSG_MAX_SIZE) {
+		pr_err("User data(%d) more than 2KB\n",
+		       para->param.msg2up.in_size);
+		return -EFAULT;
+	}
+
+	pf_id = para->param.msg2up.pf_id;
+	/* pf at most 16 */
+	if (pf_id >= 16) {
+		pr_err("PF id(0x%x) too big in message to mgmt\n", pf_id);
+		return -EFAULT;
+	}
+
+	if (!g_func_handle_array[pf_id]) {
+		pr_err("PF id(0x%x) handle null in message to mgmt\n", pf_id);
+		return -EFAULT;
+	}
+
+	/* alloc buf_in and buf_out memory, apply for 2K */
+	buf_in = kzalloc(DBGTOOL_MSG_MAX_SIZE, GFP_KERNEL);
+	if (!buf_in) {
+		pr_err("Alloc buf_in mem fail\n");
+		return -ENOMEM;
+	}
+
+	buf_out = kzalloc(DBGTOOL_MSG_MAX_SIZE, 0);
+	if (!buf_out) {
+		pr_err("Alloc buf_out mem fail\n");
+		ret = -ENOMEM;
+		goto alloc_buf_out_mem_fail;
+	}
+
+	/* copy buf_in from the user state */
+	if (copy_from_user(buf_in, para->param.msg2up.buf_in,
+			   (unsigned long)para->param.msg2up.in_size)) {
+		pr_err("Copy buf_in from user fail\n");
+		ret = -EFAULT;
+		goto copy_user_buf_in_fail;
+	}
+
+	out_size = DBGTOOL_MSG_MAX_SIZE;
+	/* Invoke the pf2up communication interface */
+	ret = hifc_msg_to_mgmt_sync(g_func_handle_array[pf_id],
+				    para->param.msg2up.mod,
+				    para->param.msg2up.cmd,
+				    buf_in,
+				    para->param.msg2up.in_size,
+				    buf_out,
+				    &out_size,
+				    0);
+	if (ret)
+		goto msg_2_up_fail;
+
+	/* Copy the out_size and buf_out content to user mode */
+	if (copy_to_user(para->param.msg2up.out_size, &out_size,
+			 (unsigned int)sizeof(out_size))) {
+		pr_err("Copy out_size to user fail\n");
+		ret = -EFAULT;
+		goto copy_out_size_fail;
+	}
+
+	if (copy_to_user(para->param.msg2up.buf_out, buf_out, out_size)) {
+		pr_err("Copy buf_out to user fail\n");
+		ret = -EFAULT;
+	}
+
+copy_out_size_fail:
+msg_2_up_fail:
+copy_user_buf_in_fail:
+	kfree(buf_out);
+alloc_buf_out_mem_fail:
+	kfree(buf_in);
+	return ret;
+}
+
+long dbgtool_knl_free_mem(int id)
+{
+	unsigned char *tmp;
+	int i;
+
+	mutex_lock(&g_addr_lock);
+
+	if (!g_card_vir_addr[id]) {
+		mutex_unlock(&g_addr_lock);
+		return 0;
+	}
+
+	tmp = g_card_vir_addr[id];
+	for (i = 0; i < (1 << DBGTOOL_PAGE_ORDER); i++) {
+		ClearPageReserved(virt_to_page(tmp));
+		tmp += PAGE_SIZE;
+	}
+
+	free_pages((unsigned long)g_card_vir_addr[id], DBGTOOL_PAGE_ORDER);
+	g_card_vir_addr[id] = NULL;
+	g_card_phy_addr[id] = 0;
+
+	mutex_unlock(&g_addr_lock);
+
+	return 0;
+}
+
+static int get_card_id_by_name(char *chip_name)
+{
+	struct card_node *card_info = NULL;
+	int i;
+
+	for (i = 0; i < MAX_CARD_NUM; i++) {
+		card_info = (struct card_node *)g_card_node_array[i];
+		if (!card_info)
+			continue;
+		if (!strncmp(chip_name, card_info->chip_name, IFNAMSIZ))
+			break;
+	}
+
+	if (i == MAX_CARD_NUM) {
+		pr_err("Can't find this card %s\n", chip_name);
+		return -EFAULT;
+	}
+
+	return i;
+}
+
+/*lint -save -e771 -e794*/
+
+static long process_dbgtool_cmd(struct dbgtool_param *param, unsigned int cmd,
+				int idx)
+{
+	struct dbgtool_k_glb_info *dbgtool_info;
+	struct card_node *card_info = NULL;
+	unsigned int real_cmd;
+	long ret = 0;
+
+	card_id = idx;
+	card_info = (struct card_node *)g_card_node_array[idx];
+	dbgtool_info = (struct dbgtool_k_glb_info *)card_info->dbgtool_info;
+
+	down(&dbgtool_info->dbgtool_sem);
+
+	real_cmd = _IOC_NR(cmd);
+
+	switch (real_cmd) {
+	case DBGTOOL_CMD_API_RD:
+		ret = dbgtool_knl_api_cmd_read(param,
+					       card_info->func_handle_array);
+		break;
+	case DBGTOOL_CMD_API_WR:
+		ret = dbgtool_knl_api_cmd_write(param,
+						card_info->func_handle_array);
+		break;
+	case DBGTOOL_CMD_FFM_RD:
+		ret = dbgtool_knl_ffm_info_rd(param, dbgtool_info);
+		break;
+	case DBGTOOL_CMD_FFM_CLR:
+		dbgtool_knl_ffm_info_clr(param, dbgtool_info);
+		break;
+	case DBGTOOL_CMD_PF_DEV_INFO_GET:
+		ret = dbgtool_knl_pf_dev_info_get(param,
+						  card_info->func_handle_array);
+		break;
+	case DBGTOOL_CMD_MSG_2_UP:
+		ret = dbgtool_knl_msg_to_up(param,
+					    card_info->func_handle_array);
+		break;
+	case DBGTOOL_CMD_FREE_MEM:
+		ret = dbgtool_knl_free_mem(idx);
+		break;
+	default:
+		pr_err("Dbgtool cmd(x%x) not support now\n", real_cmd);
+		ret = -EFAULT;
+	}
+
+	up(&dbgtool_info->dbgtool_sem);
+
+	return ret;
+}
+
+/**
+ * dbgtool_knl_unlocked_ioctl - dbgtool ioctl entry
+ * @pfile: the pointer to file
+ * @cmd: the command type
+ * @arg: user space
+ * Return: 0 - success, negative - failure
+ */
+long dbgtool_knl_unlocked_ioctl(struct file *pfile,
+				unsigned int cmd,
+				unsigned long arg)
+{
+	struct dbgtool_param param;
+	int idx;
+
+	(void)memset(&param, 0, sizeof(param));
+
+	if (copy_from_user(&param, (void *)arg, sizeof(param))) {
+		pr_err("Copy param from user fail\n");
+		return -EFAULT;
+	}
+
+	param.chip_name[IFNAMSIZ - 1] = '\0';
+	idx = get_card_id_by_name(param.chip_name);
+	if (idx < 0)
+		return -EFAULT;
+
+	return process_dbgtool_cmd(&param, cmd, idx);
+}
+
+static struct card_node *get_card_node_by_hwdev(const void *handle)
+{
+	struct card_node *card_info = NULL;
+	bool flag = false;
+	int i, j;
+
+	for (i = 0; i < MAX_CARD_NUM; i++) {
+		card_info = (struct card_node *)g_card_node_array[i];
+		if (!card_info)
+			continue;
+
+		for (j = 0; j < MAX_FUNCTION_NUM; j++) {
+			if (handle == card_info->func_handle_array[j]) {
+				flag = true;
+				break;
+			}
+		}
+
+		if (flag)
+			break;
+	}
+
+	if (i == MAX_CARD_NUM) {
+		pr_err("Id(%d) cant find this card\n", i);
+		return NULL;
+	}
+
+	return card_info;
+}
+
+/**
+ * ffm_intr_msg_record - FFM interruption records sent up
+ * @handle: the function handle
+ * @buf_in: the pointer to input buffer
+ * @in_size: input buffer size
+ * @buf_out: the pointer to outputput buffer
+ * @out_size: output buffer size
+ */
+void ffm_intr_msg_record(void *handle, void *buf_in, u16 in_size,
+			 void *buf_out, u16 *out_size)
+{
+	struct dbgtool_k_glb_info *dbgtool_info;
+	struct ffm_intr_info *intr;
+	u32 ffm_idx;
+	struct timex txc;
+	struct rtc_time rctm;
+	struct card_node *card_info = NULL;
+
+	card_info = get_card_node_by_hwdev(handle);
+	if (!card_info)
+		return;
+
+	dbgtool_info = (struct dbgtool_k_glb_info *)card_info->dbgtool_info;
+	if (!dbgtool_info) {
+		pr_err("Dbgtool info is null\n");
+		return;
+	}
+
+	intr = (struct ffm_intr_info *)buf_in;
+
+	if (!dbgtool_info->ffm)
+		return;
+
+	ffm_idx = dbgtool_info->ffm->ffm_num;
+	if (ffm_idx < FFM_RECORD_NUM_MAX) {
+		pr_info("%s: recv intr, ffm_idx: %d\n", __func__, ffm_idx);
+
+		dbgtool_info->ffm->ffm[ffm_idx].node_id = intr->node_id;
+		dbgtool_info->ffm->ffm[ffm_idx].err_level = intr->err_level;
+		dbgtool_info->ffm->ffm[ffm_idx].err_type = intr->err_type;
+		dbgtool_info->ffm->ffm[ffm_idx].err_csr_addr =
+						intr->err_csr_addr;
+		dbgtool_info->ffm->ffm[ffm_idx].err_csr_value =
+						intr->err_csr_value;
+
+		/* Obtain the current UTC time */
+		 do_gettimeofday(&txc.time);
+
+		/* Calculate the time in date value to tm */
+		 rtc_time_to_tm((unsigned long)txc.time.tv_sec +
+				60 * 60 * 8, &rctm);
+
+		/* tm_year starts from 1900; 0->1900, 1->1901, and so on */
+		dbgtool_info->ffm->ffm[ffm_idx].year =
+					(u16)(rctm.tm_year + 1900);
+		/* tm_mon starts from 0, 0 indicates January, and so on */
+		dbgtool_info->ffm->ffm[ffm_idx].mon = (u8)rctm.tm_mon + 1;
+		dbgtool_info->ffm->ffm[ffm_idx].mday = (u8)rctm.tm_mday;
+		dbgtool_info->ffm->ffm[ffm_idx].hour = (u8)rctm.tm_hour;
+		dbgtool_info->ffm->ffm[ffm_idx].min = (u8)rctm.tm_min;
+		dbgtool_info->ffm->ffm[ffm_idx].sec = (u8)rctm.tm_sec;
+
+		dbgtool_info->ffm->ffm_num++;
+	}
+}
+
+/*lint -restore*/
+
+/*lint -save -e785 -e438*/
+static const struct file_operations dbgtool_file_operations = {
+	.owner = THIS_MODULE,
+	.open = dbgtool_knl_open,
+	.release = dbgtool_knl_release,
+	.read = dbgtool_knl_read,
+	.write = dbgtool_knl_write,
+	.unlocked_ioctl = dbgtool_knl_unlocked_ioctl,
+	.mmap = hifc_mem_mmap,
+};
+
+static int dbgtool_create_cdev(void)
+{
+	struct device *pdevice;
+	int ret = 0;
+
+	/* alloc device id */
+	ret = alloc_chrdev_region(&(dbgtool_dev_id), 0, 1, CHR_DEV_DBGTOOL);
+	if (ret) {
+		pr_err("Alloc dbgtool chrdev region fail, ret=0x%x\n", ret);
+		return ret;
+	}
+
+	cdev_init(&(dbgtool_chr_dev), &dbgtool_file_operations);
+
+	ret = cdev_add(&(dbgtool_chr_dev), dbgtool_dev_id, 1);
+	if (ret) {
+		pr_err("Add dgbtool dev fail, ret=0x%x\n", ret);
+		goto cdev_add_fail;
+	}
+
+	/*lint -save -e160*/
+	dbgtool_d_class = class_create(THIS_MODULE, CLASS_DBGTOOL);
+	/*lint -restore*/
+	if (IS_ERR(dbgtool_d_class)) {
+		pr_err("Create dgbtool class fail\n");
+		ret = -EFAULT;
+		goto cls_create_fail;
+	}
+
+	/* Export device information to user space
+	 * (/sys/class/class name/device name)
+	 */
+	pdevice = device_create(dbgtool_d_class, NULL,
+				dbgtool_dev_id, NULL, CHR_DEV_DBGTOOL);
+	if (IS_ERR(pdevice)) {
+		pr_err("Create dgbtool device fail\n");
+		ret = -EFAULT;
+		goto dev_create_fail;
+	}
+
+	return 0;
+
+dev_create_fail:
+	class_destroy(dbgtool_d_class);
+cls_create_fail:
+	cdev_del(&(dbgtool_chr_dev));
+cdev_add_fail:
+	unregister_chrdev_region(dbgtool_dev_id, 1);
+
+	return ret;
+}
+
+/**
+ * dbgtool_knl_init - dbgtool character device init
+ * @hwdev: the pointer to hardware device
+ * @chip_node: the pointer to card node
+ * Return: 0 - success, negative - failure
+ */
+int dbgtool_knl_init(void *vhwdev, void *chip_node)
+{
+	struct card_node *chip_info = (struct card_node *)chip_node;
+	struct dbgtool_k_glb_info *dbgtool_info;
+	struct hifc_hwdev *hwdev = vhwdev;
+	int ret = 0;
+	int id;
+
+	if (hifc_func_type(hwdev) == TYPE_VF)
+		return 0;
+
+	ret = sysfs_create_file(&((struct device *)(hwdev->dev_hdl))->kobj,
+				&chip_info->dbgtool_attr_file);
+	if (ret) {
+		pr_err("Failed to sysfs create file\n");
+		return ret;
+	}
+
+	chip_info->func_handle_array[hifc_global_func_id(hwdev)] = hwdev;
+
+	hifc_comm_recv_mgmt_self_cmd_reg(hwdev, HIFC_SELF_CMD_UP2PF_FFM,
+					 ffm_intr_msg_record);
+
+	if (chip_info->dbgtool_info) {
+		chip_info->func_num++;
+		return 0;
+	}
+
+	dbgtool_info = (struct dbgtool_k_glb_info *)
+			kzalloc(sizeof(struct dbgtool_k_glb_info), GFP_KERNEL);
+	if (!dbgtool_info) {
+		pr_err("Failed to allocate dbgtool_info\n");
+		ret = -EFAULT;
+		goto dbgtool_info_fail;
+	}
+	chip_info->dbgtool_info = dbgtool_info;
+
+	/* FFM init */
+	dbgtool_info->ffm = (struct ffm_record_info *)
+				kzalloc(sizeof(struct ffm_record_info),
+					GFP_KERNEL);
+	if (!dbgtool_info->ffm) {
+		pr_err("Failed to allocate cell contexts for a chain\n");
+		ret = -EFAULT;
+		goto dbgtool_info_ffm_fail;
+	}
+
+	sema_init(&dbgtool_info->dbgtool_sem, 1);
+
+	ret = sscanf(chip_info->chip_name, HIFC_CHIP_NAME "%d", &id);
+	if (ret < 0) {
+		pr_err("Failed to get hifc id\n");
+		goto sscanf_chdev_fail;
+	}
+
+	g_card_node_array[id] = chip_info;
+	chip_info->func_num++;
+
+	if (g_dbgtool_init_flag) {
+		g_dbgtool_ref_cnt++;
+		/* already initialized */
+		return 0;
+	}
+
+	ret = dbgtool_create_cdev();
+	if (ret)
+		goto alloc_chdev_fail;
+
+	g_dbgtool_init_flag = 1;
+	g_dbgtool_ref_cnt = 1;
+	mutex_init(&g_addr_lock);
+
+	return 0;
+
+alloc_chdev_fail:
+	g_card_node_array[id] = NULL;
+sscanf_chdev_fail:
+	kfree(dbgtool_info->ffm);
+dbgtool_info_ffm_fail:
+	kfree(dbgtool_info);
+	dbgtool_info = NULL;
+	chip_info->dbgtool_info = NULL;
+dbgtool_info_fail:
+	hifc_comm_recv_up_self_cmd_unreg(hwdev, HIFC_SELF_CMD_UP2PF_FFM);
+	chip_info->func_handle_array[hifc_global_func_id(hwdev)] = NULL;
+	sysfs_remove_file(&((struct device *)(hwdev->dev_hdl))->kobj,
+			  &chip_info->dbgtool_attr_file);
+	return ret;
+}
+
+/**
+ * dbgtool_knl_deinit - dbgtool character device deinit
+ * @hwdev: the pointer to hardware device
+ * @chip_node: the pointer to card node
+ */
+void dbgtool_knl_deinit(void *vhwdev, void *chip_node)
+{
+	struct dbgtool_k_glb_info *dbgtool_info;
+	struct card_node *chip_info = (struct card_node *)chip_node;
+	int id;
+	int err;
+	struct hifc_hwdev *hwdev = vhwdev;
+
+	if (hifc_func_type(hwdev) == TYPE_VF)
+		return;
+
+	hifc_comm_recv_up_self_cmd_unreg(hwdev, HIFC_SELF_CMD_UP2PF_FFM);
+
+	chip_info->func_handle_array[hifc_global_func_id(hwdev)] = NULL;
+
+	sysfs_remove_file(&((struct device *)(hwdev->dev_hdl))->kobj,
+			  &chip_info->dbgtool_attr_file);
+
+	chip_info->func_num--;
+	if (chip_info->func_num)
+		return;
+
+	err = sscanf(chip_info->chip_name, HIFC_CHIP_NAME "%d", &id);
+	if (err < 0)
+		pr_err("Failed to get hifc id\n");
+
+	g_card_node_array[id] = NULL;
+
+	dbgtool_info = chip_info->dbgtool_info;
+	/* FFM deinit */
+	kfree(dbgtool_info->ffm);
+	dbgtool_info->ffm = NULL;
+
+	kfree(dbgtool_info);
+	chip_info->dbgtool_info = NULL;
+
+	(void)dbgtool_knl_free_mem(id);
+
+	if (g_dbgtool_init_flag) {
+		if ((--g_dbgtool_ref_cnt))
+			return;
+	}
+
+	if (!dbgtool_d_class)
+		return;
+
+	device_destroy(dbgtool_d_class, dbgtool_dev_id);
+	class_destroy(dbgtool_d_class);
+	dbgtool_d_class = NULL;
+
+	cdev_del(&(dbgtool_chr_dev));
+	unregister_chrdev_region(dbgtool_dev_id, 1);
+
+	g_dbgtool_init_flag = 0;
+}
+
+/*lint -restore*/
diff --git a/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.h b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.h
new file mode 100644
index 000000000000..fa8cc4b81b67
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+
+#ifndef __DBGTOOL_KNL_H__
+#define __DBGTOOL_KNL_H__
+
+enum dbg_tool_cmd {
+	DBGTOOL_CMD_API_RD = 0,
+	DBGTOOL_CMD_API_WR,
+
+	DBGTOOL_CMD_FFM_RD,
+	DBGTOOL_CMD_FFM_CLR,
+
+	DBGTOOL_CMD_PF_DEV_INFO_GET,
+
+	DBGTOOL_CMD_MSG_2_UP,
+
+	DBGTOOL_CMD_FREE_MEM,
+	DBGTOOL_CMD_NUM
+};
+
+struct api_cmd_rd {
+	u32 pf_id;
+	u8 dest;
+	u8 *cmd;
+	u16 size;
+	void *ack;
+	u16 ack_size;
+};
+
+struct api_cmd_wr {
+	u32 pf_id;
+	u8 dest;
+	u8 *cmd;
+	u16 size;
+};
+
+struct pf_dev_info {
+	u64 bar0_size;
+	u8 bus;
+	u8 slot;
+	u8 func;
+	u64 phy_addr;
+};
+
+/* Interrupt at most records, interrupt will be recorded in the FFM */
+#define FFM_RECORD_NUM_MAX 64
+
+struct ffm_intr_tm_info {
+	u8 node_id;
+	/* error level of the interrupt source */
+	u8 err_level;
+	/* Classification by interrupt source properties */
+	u16 err_type;
+	u32 err_csr_addr;
+	u32 err_csr_value;
+
+	u8 sec;         /* second*/
+	u8 min;         /* minute */
+	u8 hour;        /* hour */
+	u8 mday;        /* day */
+	u8 mon;         /* month */
+	u16 year;       /* year */
+};
+
+struct ffm_record_info {
+	u32 ffm_num;
+	struct ffm_intr_tm_info ffm[FFM_RECORD_NUM_MAX];
+};
+
+struct msg_2_up {
+	u8 pf_id;   /* which pf sends messages to the up */
+	u8 mod;
+	u8 cmd;
+	void *buf_in;
+	u16 in_size;
+	void *buf_out;
+	u16 *out_size;
+};
+
+struct dbgtool_param {
+	union {
+		struct api_cmd_rd api_rd;
+		struct api_cmd_wr api_wr;
+		struct pf_dev_info *dev_info;
+		struct ffm_record_info *ffm_rd;
+		struct msg_2_up msg2up;
+	} param;
+	char chip_name[16];
+};
+
+#ifndef MAX_CARD_NUM
+#define MAX_CARD_NUM 64
+#endif
+#define DBGTOOL_PAGE_ORDER 10
+
+int dbgtool_knl_init(void *vhwdev, void *chip_node);
+void dbgtool_knl_deinit(void *vhwdev, void *chip_node);
+int hifc_mem_mmap(struct file *filp, struct vm_area_struct *vma);
+void chipif_get_all_pf_dev_info(struct pf_dev_info *dev_info, int card_id,
+				void **g_func_handle_array);
+long dbgtool_knl_free_mem(int id);
+
+#endif
diff --git a/drivers/scsi/huawei/hifc/hifc_lld.c b/drivers/scsi/huawei/hifc/hifc_lld.c
new file mode 100644
index 000000000000..d86bc8a42919
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_lld.c
@@ -0,0 +1,895 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": [COMM]" fmt
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/io-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/inetdevice.h>
+#include <net/addrconf.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/rtc.h>
+#include <linux/aer.h>
+#include <linux/debugfs.h>
+
+#include "hifc_knl_adp.h"
+#include "hifc_hw.h"
+#include "hifc_hwif.h"
+#include "hifc_api_cmd.h"
+#include "hifc_mgmt.h"
+#include "hifc_lld.h"
+#include "hifc_dbgtool_knl.h"
+#include "hifc_tool.h"
+
+#define HIFC_PCI_CFG_REG_BAR           0
+#define HIFC_PCI_INTR_REG_BAR          2
+#define HIFC_PCI_DB_BAR                4
+#define HIFC_SECOND_BASE               1000
+#define HIFC_SYNC_YEAR_OFFSET          1900
+#define HIFC_SYNC_MONTH_OFFSET         1
+
+#define HIFC_DRV_DESC "Huawei(R) Intelligent Network Interface Card Driver"
+#define HIFCVF_DRV_DESC "Huawei(R) Intelligent Virtual Function Network Driver"
+
+MODULE_AUTHOR("Huawei Technologies CO., Ltd");
+MODULE_DESCRIPTION(HIFC_DRV_DESC);
+MODULE_VERSION(HIFC_DRV_VERSION);
+MODULE_LICENSE("GPL");
+
+#define HIFC_EVENT_PROCESS_TIMEOUT	10000
+
+#define FIND_BIT(num, n)        (((num) & (1UL << (n))) ? 1 : 0)
+#define SET_BIT(num, n)         ((num) | (1UL << (n)))
+#define CLEAR_BIT(num, n)       ((num) & (~(1UL << (n))))
+
+#define MAX_CARD_ID             64
+static u64 card_bit_map;
+LIST_HEAD(g_hinic_chip_list);
+
+enum hifc_lld_status {
+	HIFC_NODE_CHANGE = BIT(0),
+};
+
+struct hifc_lld_lock {
+	/* lock for chip list */
+	struct mutex        lld_mutex;
+	unsigned long       status;
+	atomic_t            dev_ref_cnt;
+};
+
+struct hifc_lld_lock g_lld_lock;
+
+#define WAIT_LLD_DEV_HOLD_TIMEOUT        (10 * 60 * 1000) /* 10minutes */
+#define WAIT_LLD_DEV_NODE_CHANGED        (10 * 60 * 1000) /* 10minutes */
+#define WAIT_LLD_DEV_REF_CNT_EMPTY       (2 * 60 * 1000)  /* 2minutes */
+
+/* node in chip_node will changed, tools or driver can't get node
+ * during this situation
+ */
+static void lld_lock_chip_node(void)
+{
+	u32 loop_cnt;
+
+	mutex_lock(&g_lld_lock.lld_mutex);
+
+	loop_cnt = 0;
+	while (loop_cnt < WAIT_LLD_DEV_NODE_CHANGED) {
+		if (!test_and_set_bit(HIFC_NODE_CHANGE, &g_lld_lock.status))
+			break;
+
+		loop_cnt++;
+
+		if (loop_cnt % 10000 == 0)
+			pr_warn("Wait for lld node change complete for %us\n",
+				loop_cnt / 1000);
+
+		usleep_range(900, 1000);
+	}
+
+	if (loop_cnt == WAIT_LLD_DEV_NODE_CHANGED)
+		pr_warn("Wait for lld node change complete timeout when try to get lld lock\n");
+
+	loop_cnt = 0;
+	while (loop_cnt < WAIT_LLD_DEV_REF_CNT_EMPTY) {
+		if (!atomic_read(&g_lld_lock.dev_ref_cnt))
+			break;
+
+		loop_cnt++;
+
+		if (loop_cnt % 10000 == 0)
+			pr_warn("Wait for lld dev unused for %us, reference count: %d\n",
+				loop_cnt / 1000,
+				atomic_read(&g_lld_lock.dev_ref_cnt));
+
+		usleep_range(900, 1000);
+	}
+
+	if (loop_cnt == WAIT_LLD_DEV_REF_CNT_EMPTY)
+		pr_warn("Wait for lld dev unused timeout\n");
+
+	mutex_unlock(&g_lld_lock.lld_mutex);
+}
+
+static void lld_unlock_chip_node(void)
+{
+	clear_bit(HIFC_NODE_CHANGE, &g_lld_lock.status);
+}
+
+/* When tools or other drivers want to get node of chip_node, use this function
+ * to prevent node be freed
+ */
+void lld_dev_hold(void)
+{
+	u32 loop_cnt = 0;
+
+	/* ensure there have not any chip node in changing */
+	mutex_lock(&g_lld_lock.lld_mutex);
+
+	while (loop_cnt < WAIT_LLD_DEV_HOLD_TIMEOUT) {
+		if (!test_bit(HIFC_NODE_CHANGE, &g_lld_lock.status))
+			break;
+
+		loop_cnt++;
+
+		if (loop_cnt % 10000 == 0)
+			pr_warn("Wait lld node change complete for %us\n",
+				loop_cnt / 1000);
+
+		usleep_range(900, 1000);
+	}
+
+	if (loop_cnt == WAIT_LLD_DEV_HOLD_TIMEOUT)
+		pr_warn("Wait lld node change complete timeout when try to hode lld dev\n");
+
+	atomic_inc(&g_lld_lock.dev_ref_cnt);
+
+	mutex_unlock(&g_lld_lock.lld_mutex);
+}
+
+void lld_dev_put(void)
+{
+	atomic_dec(&g_lld_lock.dev_ref_cnt);
+}
+
+static void hifc_lld_lock_init(void)
+{
+	mutex_init(&g_lld_lock.lld_mutex);
+	atomic_set(&g_lld_lock.dev_ref_cnt, 0);
+}
+
+extern int hifc_probe(struct hifc_lld_dev *lld_dev,
+		      void **uld_dev, char *uld_dev_name);
+
+static int attach_uld(struct hifc_pcidev *dev)
+{
+	void *uld_dev = NULL;
+
+	int err;
+
+	mutex_lock(&dev->pdev_mutex);
+
+	if (dev->init_state < HIFC_INIT_STATE_HWDEV_INITED) {
+		sdk_err(&dev->pcidev->dev, "SDK init failed, can not attach uld\n");
+		err = -EFAULT;
+		goto out_unlock;
+	}
+
+	err = hifc_stateful_init(dev->hwdev);
+	if (err)
+		goto out_unlock;
+
+	err = hifc_probe(&dev->lld_dev, &uld_dev, dev->uld_dev_name);
+	if (err || !uld_dev) {
+		sdk_err(&dev->pcidev->dev,
+			"Failed to add object for driver to pcie device\n");
+		goto probe_failed;
+	}
+
+	dev->uld_dev = uld_dev;
+	mutex_unlock(&dev->pdev_mutex);
+
+	sdk_info(&dev->pcidev->dev,
+		 "Attach  driver to pcie device succeed\n");
+	return 0;
+
+probe_failed:
+	hifc_stateful_deinit(dev->hwdev);
+out_unlock:
+	mutex_unlock(&dev->pdev_mutex);
+
+	return err;
+}
+
+extern void hifc_remove(struct hifc_lld_dev *lld_dev, void *uld_dev);
+
+static void detach_uld(struct hifc_pcidev *dev)
+{
+	u32 cnt = 0;
+
+	mutex_lock(&dev->pdev_mutex);
+
+	while (cnt < HIFC_EVENT_PROCESS_TIMEOUT) {
+		if (!test_and_set_bit(SERVICE_T_FC, &dev->state))
+			break;
+		usleep_range(900, 1000);
+		cnt++;
+	}
+
+	hifc_remove(&dev->lld_dev, dev->uld_dev);
+	dev->uld_dev = NULL;
+	hifc_stateful_deinit(dev->hwdev);
+	if (cnt < HIFC_EVENT_PROCESS_TIMEOUT)
+		clear_bit(SERVICE_T_FC, &dev->state);
+
+	sdk_info(&dev->pcidev->dev,
+		 "Detach driver from pcie device succeed\n");
+	mutex_unlock(&dev->pdev_mutex);
+}
+
+static void hifc_sync_time_to_fmw(struct hifc_pcidev *pdev_pri)
+{
+	struct timeval tv = {0};
+	struct rtc_time rt_time = {0};
+	u64 tv_msec;
+	int err;
+
+	do_gettimeofday(&tv);
+
+	tv_msec = tv.tv_sec * HIFC_SECOND_BASE +
+			tv.tv_usec / HIFC_SECOND_BASE;
+	err = hifc_sync_time(pdev_pri->hwdev, tv_msec);
+	if (err) {
+		sdk_err(&pdev_pri->pcidev->dev, "Synchronize UTC time to firmware failed, errno:%d.\n",
+			err);
+	} else {
+		rtc_time_to_tm(tv.tv_sec, &rt_time);
+		sdk_info(&pdev_pri->pcidev->dev, "Synchronize UTC time to firmware succeed. UTC time %d-%02d-%02d %02d:%02d:%02d.\n",
+			 rt_time.tm_year + HIFC_SYNC_YEAR_OFFSET,
+			 rt_time.tm_mon + HIFC_SYNC_MONTH_OFFSET,
+			 rt_time.tm_mday, rt_time.tm_hour,
+			 rt_time.tm_min, rt_time.tm_sec);
+	}
+}
+
+#define MAX_VER_FIELD_LEN        4
+#define MAX_VER_SPLIT_NUM        4
+
+struct mctp_hdr {
+	u16        resp_code;
+	u16        reason_code;
+	u32        manufacture_id;
+
+	u8        cmd_rsvd;
+	u8        major_cmd;
+	u8        sub_cmd;
+	u8        spc_field;
+};
+
+struct mctp_bdf_info {
+	struct mctp_hdr hdr; /* spc_field: pf index */
+	u8        rsvd;
+	u8        bus;
+	u8        device;
+	u8        function;
+};
+
+static void __mctp_set_hdr(struct mctp_hdr *hdr,
+			   struct hifc_mctp_host_info *mctp_info)
+{
+	u32 manufacture_id = 0x07DB;
+
+	hdr->cmd_rsvd = 0;
+	hdr->major_cmd = mctp_info->major_cmd;
+	hdr->sub_cmd = mctp_info->sub_cmd;
+	hdr->manufacture_id = cpu_to_be32(manufacture_id);
+	hdr->resp_code = cpu_to_be16(hdr->resp_code);
+	hdr->reason_code = cpu_to_be16(hdr->reason_code);
+}
+
+static void __mctp_get_bdf(struct hifc_pcidev *pci_adapter,
+			   struct hifc_mctp_host_info *mctp_info)
+{
+	struct pci_dev *pdev = pci_adapter->pcidev;
+	struct mctp_bdf_info *bdf_info = mctp_info->data;
+
+	bdf_info->bus = pdev->bus->number;
+	bdf_info->device = (u8)(pdev->devfn >> 3);    /* 5bits in devfn */
+	bdf_info->function = (u8)(pdev->devfn & 0x7); /* 3bits in devfn */
+
+	memset(&bdf_info->hdr, 0, sizeof(bdf_info->hdr));
+	__mctp_set_hdr(&bdf_info->hdr, mctp_info);
+	bdf_info->hdr.spc_field =
+		(u8)hifc_global_func_id_hw(pci_adapter->hwdev);
+
+	mctp_info->data_len = sizeof(*bdf_info);
+}
+
+#define MCTP_PUBLIC_SUB_CMD_BDF        0x1
+
+static void __mctp_get_host_info(struct hifc_pcidev *dev,
+				 struct hifc_mctp_host_info *mctp_info)
+{
+#define COMMAND_UNSUPPORTED 3
+	struct mctp_hdr *hdr;
+
+	if (((((u16)mctp_info->major_cmd) << 8) | mctp_info->sub_cmd) ==
+	    MCTP_PUBLIC_SUB_CMD_BDF) {
+		__mctp_get_bdf(dev, mctp_info);
+	} else {
+		hdr = mctp_info->data;
+		hdr->reason_code = COMMAND_UNSUPPORTED;
+		__mctp_set_hdr(hdr, mctp_info);
+		mctp_info->data_len = sizeof(*hdr);
+	}
+}
+
+void *hifc_get_ppf_hwdev_by_pdev(struct pci_dev *pdev)
+{
+	struct hifc_pcidev *pci_adapter;
+	struct card_node *chip_node;
+	struct hifc_pcidev *dev;
+
+	if (!pdev)
+		return NULL;
+
+	pci_adapter = pci_get_drvdata(pdev);
+	if (!pci_adapter)
+		return NULL;
+
+	chip_node = pci_adapter->chip_node;
+	lld_dev_hold();
+	list_for_each_entry(dev, &chip_node->func_list, node) {
+		if (dev->hwdev && hifc_func_type(dev->hwdev) == TYPE_PPF) {
+			lld_dev_put();
+			return dev->hwdev;
+		}
+	}
+	lld_dev_put();
+
+	return NULL;
+}
+
+void hifc_event(struct hifc_lld_dev *lld_dev, void *uld_dev,
+		struct hifc_event_info *event);
+
+void hifc_event_process(void *adapter, struct hifc_event_info *event)
+{
+	struct hifc_pcidev *dev = adapter;
+
+	if (event->type == HIFC_EVENT_FMW_ACT_NTC)
+		return hifc_sync_time_to_fmw(dev);
+	else if (event->type == HIFC_EVENT_MCTP_GET_HOST_INFO)
+		return __mctp_get_host_info(dev, &event->mctp_info);
+
+	if (test_and_set_bit(SERVICE_T_FC, &dev->state)) {
+		sdk_warn(&dev->pcidev->dev, "Event: 0x%x can't handler is in detach\n",
+			 event->type);
+		return;
+	}
+
+	hifc_event(&dev->lld_dev, dev->uld_dev, event);
+	clear_bit(SERVICE_T_FC, &dev->state);
+}
+
+static int mapping_bar(struct pci_dev *pdev, struct hifc_pcidev *pci_adapter)
+{
+	u64 dwqe_addr;
+
+	pci_adapter->cfg_reg_base = pci_ioremap_bar(pdev, HIFC_PCI_CFG_REG_BAR);
+	if (!pci_adapter->cfg_reg_base) {
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to map configuration regs\n");
+		return -ENOMEM;
+	}
+
+	pci_adapter->intr_reg_base = pci_ioremap_bar(pdev,
+						     HIFC_PCI_INTR_REG_BAR);
+	if (!pci_adapter->intr_reg_base) {
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to map interrupt regs\n");
+		goto map_intr_bar_err;
+	}
+
+	pci_adapter->db_base_phy = pci_resource_start(pdev, HIFC_PCI_DB_BAR);
+	pci_adapter->db_base = ioremap(pci_adapter->db_base_phy,
+				       HIFC_DB_DWQE_SIZE);
+	if (!pci_adapter->db_base) {
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to map doorbell regs\n");
+		goto map_db_err;
+	}
+
+	dwqe_addr = pci_adapter->db_base_phy + HIFC_DB_DWQE_SIZE;
+
+#if defined(__aarch64__)
+	/* arm do not support call ioremap_wc() */
+	pci_adapter->dwqe_mapping = __ioremap(dwqe_addr, HIFC_DB_DWQE_SIZE,
+					      __pgprot(PROT_DEVICE_nGnRnE));
+#else
+	pci_adapter->dwqe_mapping = io_mapping_create_wc(dwqe_addr,
+							 HIFC_DB_DWQE_SIZE);
+
+#endif  /* end of "defined(__aarch64__)" */
+	if (!pci_adapter->dwqe_mapping) {
+		sdk_err(&pci_adapter->pcidev->dev, "Failed to io_mapping_create_wc\n");
+		goto mapping_dwqe_err;
+	}
+
+	return 0;
+
+mapping_dwqe_err:
+	iounmap(pci_adapter->db_base);
+
+map_db_err:
+	iounmap(pci_adapter->intr_reg_base);
+
+map_intr_bar_err:
+	iounmap(pci_adapter->cfg_reg_base);
+
+	return -ENOMEM;
+}
+
+static void unmapping_bar(struct hifc_pcidev *pci_adapter)
+{
+#if defined(__aarch64__)
+	iounmap(pci_adapter->dwqe_mapping);
+#else
+	io_mapping_free(pci_adapter->dwqe_mapping);
+#endif /* end of "defined(__aarch64__)" */
+
+	iounmap(pci_adapter->db_base);
+	iounmap(pci_adapter->intr_reg_base);
+	iounmap(pci_adapter->cfg_reg_base);
+}
+
+static int alloc_chip_node(struct hifc_pcidev *pci_adapter)
+{
+	struct card_node *chip_node;
+	unsigned char i;
+	unsigned char parent_bus_number = 0;
+
+	if  (!pci_is_root_bus(pci_adapter->pcidev->bus))
+		parent_bus_number = pci_adapter->pcidev->bus->parent->number;
+
+	if (parent_bus_number != 0) {
+		list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+			if (chip_node->dp_bus_num == parent_bus_number) {
+				pci_adapter->chip_node = chip_node;
+				return 0;
+			}
+		}
+	}
+
+	for (i = 0; i < MAX_CARD_ID; i++) {
+		if (!FIND_BIT(card_bit_map, i)) {
+			card_bit_map = (u64)SET_BIT(card_bit_map, i);
+			break;
+		}
+	}
+
+	if (i == MAX_CARD_ID) {
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to alloc card id\n");
+		return -EFAULT;
+	}
+
+	chip_node = kzalloc(sizeof(*chip_node), GFP_KERNEL);
+	if (!chip_node) {
+		card_bit_map = CLEAR_BIT(card_bit_map, i);
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to alloc chip node\n");
+		return -ENOMEM;
+	}
+
+	chip_node->dbgtool_attr_file.name = kzalloc(IFNAMSIZ, GFP_KERNEL);
+	if (!(chip_node->dbgtool_attr_file.name)) {
+		kfree(chip_node);
+		card_bit_map = CLEAR_BIT(card_bit_map, i);
+		sdk_err(&pci_adapter->pcidev->dev,
+			"Failed to alloc dbgtool attr file name\n");
+		return -ENOMEM;
+	}
+
+	/* parent bus number */
+	chip_node->dp_bus_num = parent_bus_number;
+
+	snprintf(chip_node->chip_name, IFNAMSIZ, "%s%d", HIFC_CHIP_NAME, i);
+	snprintf((char *)chip_node->dbgtool_attr_file.name,
+		 IFNAMSIZ, "%s%d", HIFC_CHIP_NAME, i);
+	sdk_info(&pci_adapter->pcidev->dev,
+		 "Add new chip %s to global list succeed\n",
+		 chip_node->chip_name);
+
+	list_add_tail(&chip_node->node, &g_hinic_chip_list);
+
+	INIT_LIST_HEAD(&chip_node->func_list);
+	pci_adapter->chip_node = chip_node;
+
+	mutex_init(&chip_node->sfp_mutex);
+
+	return 0;
+}
+
+static void free_chip_node(struct hifc_pcidev *pci_adapter)
+{
+	struct card_node *chip_node = pci_adapter->chip_node;
+	u32 id;
+	int err;
+
+	if (list_empty(&chip_node->func_list)) {
+		list_del(&chip_node->node);
+		sdk_info(&pci_adapter->pcidev->dev,
+			 "Delete chip %s from global list succeed\n",
+			 chip_node->chip_name);
+		err = sscanf(chip_node->chip_name, HIFC_CHIP_NAME "%u", &id);
+		if (err < 0)
+			sdk_err(&pci_adapter->pcidev->dev, "Failed to get hifc id\n");
+
+		card_bit_map = CLEAR_BIT(card_bit_map, id);
+
+		kfree(chip_node->dbgtool_attr_file.name);
+		kfree(chip_node);
+	}
+}
+
+static int config_pci_dma_mask(struct pci_dev *pdev)
+{
+	int err;
+
+	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+	if (err) {
+		sdk_warn(&pdev->dev, "Couldn't set 64-bit DMA mask\n");
+		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (err) {
+			sdk_err(&pdev->dev, "Failed to set DMA mask\n");
+			return err;
+		}
+	}
+
+	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+	if (err) {
+		sdk_warn(&pdev->dev,
+			 "Couldn't set 64-bit coherent DMA mask\n");
+		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (err) {
+			sdk_err(&pdev->dev,
+				"Failed to set coherent DMA mask\n");
+			return err;
+		}
+	}
+
+	return 0;
+}
+
+static int hifc_pci_init(struct pci_dev *pdev)
+{
+	struct hifc_pcidev *pci_adapter = NULL;
+	int err;
+
+	pci_adapter = kzalloc(sizeof(*pci_adapter), GFP_KERNEL);
+	if (!pci_adapter) {
+		sdk_err(&pdev->dev,
+			"Failed to alloc pci device adapter\n");
+		return -ENOMEM;
+	}
+	pci_adapter->pcidev = pdev;
+	mutex_init(&pci_adapter->pdev_mutex);
+
+	pci_set_drvdata(pdev, pci_adapter);
+
+	err = pci_enable_device(pdev);
+	if (err) {
+		sdk_err(&pdev->dev, "Failed to enable PCI device\n");
+		goto pci_enable_err;
+	}
+
+	err = pci_request_regions(pdev, HIFC_DRV_NAME);
+	if (err) {
+		sdk_err(&pdev->dev, "Failed to request regions\n");
+		goto pci_regions_err;
+	}
+
+	pci_enable_pcie_error_reporting(pdev);
+
+	pci_set_master(pdev);
+
+	err = config_pci_dma_mask(pdev);
+	if (err)
+		goto dma_mask_err;
+
+	return 0;
+
+dma_mask_err:
+	pci_clear_master(pdev);
+	pci_release_regions(pdev);
+
+pci_regions_err:
+	pci_disable_device(pdev);
+
+pci_enable_err:
+	pci_set_drvdata(pdev, NULL);
+	kfree(pci_adapter);
+
+	return err;
+}
+
+static void hifc_pci_deinit(struct pci_dev *pdev)
+{
+	struct hifc_pcidev *pci_adapter = pci_get_drvdata(pdev);
+
+	pci_clear_master(pdev);
+	pci_release_regions(pdev);
+	pci_disable_pcie_error_reporting(pdev);
+	pci_disable_device(pdev);
+	pci_set_drvdata(pdev, NULL);
+	kfree(pci_adapter);
+}
+
+static int hifc_func_init(struct pci_dev *pdev,
+			  struct hifc_pcidev *pci_adapter)
+{
+	struct hifc_init_para init_para;
+
+	int err;
+
+	init_para.adapter_hdl = pci_adapter;
+	init_para.pcidev_hdl = pdev;
+	init_para.dev_hdl = &pdev->dev;
+	init_para.cfg_reg_base = pci_adapter->cfg_reg_base;
+	init_para.intr_reg_base = pci_adapter->intr_reg_base;
+	init_para.db_base = pci_adapter->db_base;
+	init_para.db_base_phy = pci_adapter->db_base_phy;
+	init_para.dwqe_mapping = pci_adapter->dwqe_mapping;
+	init_para.hwdev = &pci_adapter->hwdev;
+	init_para.chip_node = pci_adapter->chip_node;
+	init_para.ppf_hwdev = hifc_get_ppf_hwdev_by_pdev(pdev);
+	err = hifc_init_hwdev(&init_para);
+	if (err) {
+		pci_adapter->hwdev = NULL;
+		sdk_err(&pdev->dev, "Failed to initialize hardware device\n");
+		return -EFAULT;
+	}
+
+	pci_adapter->init_state = HIFC_INIT_STATE_HWDEV_INITED;
+
+	pci_adapter->lld_dev.pdev = pdev;
+	pci_adapter->lld_dev.hwdev = pci_adapter->hwdev;
+
+	hifc_event_register(pci_adapter->hwdev, pci_adapter,
+			    hifc_event_process);
+
+	hifc_sync_time_to_fmw(pci_adapter);
+
+	lld_lock_chip_node();
+	err = dbgtool_knl_init(pci_adapter->hwdev, pci_adapter->chip_node);
+	if (err) {
+		lld_unlock_chip_node();
+		sdk_err(&pdev->dev, "Failed to initialize dbgtool\n");
+		hifc_event_unregister(pci_adapter->hwdev);
+		return err;
+	}
+	lld_unlock_chip_node();
+	pci_adapter->init_state = HIFC_INIT_STATE_DBGTOOL_INITED;
+
+	attach_uld(pci_adapter);
+
+	sdk_info(&pdev->dev, "Pcie device probed\n");
+	pci_adapter->init_state = HIFC_INIT_STATE_ALL_INITED;
+
+	return 0;
+}
+
+static void hifc_func_deinit(struct pci_dev *pdev)
+{
+	struct hifc_pcidev *pci_adapter = pci_get_drvdata(pdev);
+
+	/* When function deinit, disable mgmt initiative report events firstly,
+	 * then flush mgmt work-queue.
+	 */
+	if (pci_adapter->init_state >= HIFC_INIT_STATE_ALL_INITED)
+		detach_uld(pci_adapter);
+
+	hifc_disable_mgmt_msg_report(pci_adapter->hwdev);
+	if (pci_adapter->init_state >= HIFC_INIT_STATE_HW_PART_INITED)
+		hifc_flush_mgmt_workq(pci_adapter->hwdev);
+
+	hifc_set_func_deinit_flag(pci_adapter->hwdev);
+
+	if (pci_adapter->init_state >= HIFC_INIT_STATE_DBGTOOL_INITED) {
+		lld_lock_chip_node();
+		dbgtool_knl_deinit(pci_adapter->hwdev, pci_adapter->chip_node);
+		lld_unlock_chip_node();
+		hifc_event_unregister(pci_adapter->hwdev);
+	}
+
+	if (pci_adapter->init_state >= HIFC_INIT_STATE_HW_IF_INITED) {
+		/*Remove the current node from  node-list first,
+		 * then it's safe to free hwdev
+		 */
+		lld_lock_chip_node();
+		list_del(&pci_adapter->node);
+		lld_unlock_chip_node();
+
+		hifc_free_hwdev(pci_adapter->hwdev);
+	}
+}
+
+static void remove_func(struct hifc_pcidev *pci_adapter)
+{
+	struct pci_dev *pdev = pci_adapter->pcidev;
+
+	switch (pci_adapter->init_state) {
+	case HIFC_INIT_STATE_ALL_INITED:
+		/*lint -fallthrough*/
+
+	case HIFC_INIT_STATE_DBGTOOL_INITED:
+	case HIFC_INIT_STATE_HWDEV_INITED:
+	case HIFC_INIT_STATE_HW_PART_INITED:
+	case HIFC_INIT_STATE_HW_IF_INITED:
+	case HIFC_INIT_STATE_PCI_INITED:
+		set_bit(HIFC_FUNC_IN_REMOVE, &pci_adapter->flag);
+
+		if (pci_adapter->init_state >= HIFC_INIT_STATE_HW_IF_INITED)
+			hifc_func_deinit(pdev);
+
+		lld_lock_chip_node();
+		if (pci_adapter->init_state < HIFC_INIT_STATE_HW_IF_INITED)
+			list_del(&pci_adapter->node);
+		nictool_k_uninit();
+		free_chip_node(pci_adapter);
+		lld_unlock_chip_node();
+		unmapping_bar(pci_adapter);
+		hifc_pci_deinit(pdev);
+
+		/*lint -fallthrough*/
+		break;
+
+	default:
+		break;
+	}
+}
+
+static void hifc_hwdev_remove(struct pci_dev *pdev)
+{
+	struct hifc_pcidev *pci_adapter = pci_get_drvdata(pdev);
+
+	if (!pci_adapter)
+		return;
+
+	sdk_info(&pdev->dev, "Pcie device remove begin\n");
+
+	if (pci_adapter->init_state >= HIFC_INIT_STATE_HW_IF_INITED)
+		hifc_detect_hw_present(pci_adapter->hwdev);
+
+	remove_func(pci_adapter);
+
+	sdk_info(&pdev->dev, "Pcie device removed\n");
+}
+
+static int hifc_hwdev_probe(struct pci_dev *pdev,
+			    const struct pci_device_id *id)
+{
+	struct hifc_pcidev *pci_adapter;
+	int err;
+
+	sdk_info(&pdev->dev, "Pcie device probe begin\n");
+
+	err = hifc_pci_init(pdev);
+	if (err)
+		return err;
+
+	pci_adapter = pci_get_drvdata(pdev);
+	clear_bit(HIFC_FUNC_PRB_ERR, &pci_adapter->flag);
+	clear_bit(HIFC_FUNC_PRB_DELAY, &pci_adapter->flag);
+	err = mapping_bar(pdev, pci_adapter);
+	if (err) {
+		sdk_err(&pdev->dev, "Failed to map bar\n");
+		goto map_bar_failed;
+	}
+
+	pci_adapter->id = *id;
+
+	/* if chip information of pcie function exist,
+	 * add the function into chip
+	 */
+	lld_lock_chip_node();
+	err = alloc_chip_node(pci_adapter);
+	if (err) {
+		sdk_err(&pdev->dev,
+			"Failed to add new chip node to global list\n");
+		goto alloc_chip_node_fail;
+	}
+	err = nictool_k_init();
+	if (err) {
+		sdk_warn(&pdev->dev, "Failed to init nictool");
+		goto init_nictool_err;
+	}
+	list_add_tail(&pci_adapter->node, &pci_adapter->chip_node->func_list);
+
+	lld_unlock_chip_node();
+
+	pci_adapter->init_state = HIFC_INIT_STATE_PCI_INITED;
+
+	err = hifc_func_init(pdev, pci_adapter);
+	if (err)
+		goto func_init_err;
+
+	return 0;
+
+func_init_err:
+	if (!test_bit(HIFC_FUNC_PRB_DELAY, &pci_adapter->flag))
+		set_bit(HIFC_FUNC_PRB_ERR, &pci_adapter->flag);
+	return 0;
+init_nictool_err:
+	free_chip_node(pci_adapter);
+alloc_chip_node_fail:
+	lld_unlock_chip_node();
+	unmapping_bar(pci_adapter);
+
+map_bar_failed:
+	hifc_pci_deinit(pdev);
+
+	sdk_err(&pdev->dev, "Pcie device probe failed\n");
+	return err;
+}
+
+#define PCI_VENDOR_ID_HUAWEI        0x19e5
+#define HIFC_DEV_ID_1822_8G         0x0212
+#define HIFC_DEV_ID_1822_16G        0x0203
+#define HIFC_DEV_ID_1822_32G        0x0202
+
+/*lint -save -e133 -e10*/
+static const struct pci_device_id hifc_pci_table[] = {
+	{PCI_VDEVICE(HUAWEI, HIFC_DEV_ID_1822_8G), 0},
+	{PCI_VDEVICE(HUAWEI, HIFC_DEV_ID_1822_16G), 0},
+	{PCI_VDEVICE(HUAWEI, HIFC_DEV_ID_1822_32G), 0},
+	{0, 0}
+};
+
+/*lint -restore*/
+MODULE_DEVICE_TABLE(pci, hifc_pci_table);
+
+static void hifc_shutdown(struct pci_dev *pdev)
+{
+	sdk_err(&pdev->dev, "Shutdown device\n");
+
+	pci_disable_device(pdev);
+}
+
+static struct pci_driver hifc_driver = {
+	.name          = HIFC_DRV_NAME,
+	.id_table      = hifc_pci_table,
+	.probe         = hifc_hwdev_probe,
+	.remove        = hifc_hwdev_remove,
+	.shutdown      = hifc_shutdown,
+};
+
+extern int hifc_init_module(void);
+extern void hifc_exit_module(void);
+
+static int __init hifc_lld_init(void)
+{
+	pr_info("%s - version %s\n", HIFC_DRV_DESC, HIFC_DRV_VERSION);
+
+	hifc_lld_lock_init();
+
+	hifc_init_module();
+
+	return pci_register_driver(&hifc_driver);
+}
+
+static void __exit hifc_lld_exit(void)
+{
+	pci_unregister_driver(&hifc_driver);
+	hifc_exit_module();
+}
+
+module_init(hifc_lld_init);
+module_exit(hifc_lld_exit);
diff --git a/drivers/scsi/huawei/hifc/hifc_lld.h b/drivers/scsi/huawei/hifc/hifc_lld.h
new file mode 100644
index 000000000000..2e063b36f202
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_lld.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+
+#ifndef HIFC_LLD_H_
+#define HIFC_LLD_H_
+#include "unf_common.h"
+#define HIFC_PCI_VENDOR_ID   (0x19e5)
+#define HIFC_DRV_NAME        "hifc_sdk"
+#define HIFC_CHIP_NAME       "hifc"
+#define HIFC_DRV_VERSION     UNF_FC_VERSION
+
+struct hifc_lld_dev {
+	struct pci_dev *pdev;
+	void *hwdev;
+};
+
+extern struct list_head g_hinic_chip_list;
+
+/* Structure pcidev private*/
+struct hifc_pcidev {
+	struct pci_dev *pcidev;
+	void *hwdev;
+	struct card_node *chip_node;
+	struct hifc_lld_dev lld_dev;
+	/* Record the service object address,
+	 * such as hifc_dev and toe_dev, fc_dev
+	 */
+	void *uld_dev;
+	/* Record the service object name */
+	char uld_dev_name[IFNAMSIZ];
+	/* It is a the global variable for driver to manage
+	 * all function device linked list
+	 */
+	struct list_head node;
+
+	void __iomem *cfg_reg_base;
+	void __iomem *intr_reg_base;
+	u64 db_base_phy;
+	void __iomem *db_base;
+
+#if defined(__aarch64__)
+	void __iomem *dwqe_mapping;
+#else
+	struct io_mapping *dwqe_mapping;
+#endif
+	/* lock for attach/detach uld */
+	struct mutex pdev_mutex;
+
+	u32 init_state;
+	/* setted when uld driver processing event */
+	unsigned long state;
+	struct pci_device_id id;
+
+	unsigned long flag;
+};
+
+enum {
+	HIFC_FUNC_IN_REMOVE = BIT(0),
+	HIFC_FUNC_PRB_ERR = BIT(1),
+	HIFC_FUNC_PRB_DELAY = BIT(2),
+};
+
+enum hifc_init_state {
+	HIFC_INIT_STATE_NONE,
+	HIFC_INIT_STATE_PCI_INITED,
+	HIFC_INIT_STATE_HW_IF_INITED,
+	HIFC_INIT_STATE_HW_PART_INITED,
+	HIFC_INIT_STATE_HWDEV_INITED,
+	HIFC_INIT_STATE_DBGTOOL_INITED,
+	HIFC_INIT_STATE_ALL_INITED,
+};
+
+void lld_dev_put(void);
+void lld_dev_hold(void);
+
+#endif
diff --git a/drivers/scsi/huawei/hifc/hifc_portmng.c b/drivers/scsi/huawei/hifc/hifc_portmng.c
new file mode 100644
index 000000000000..34bc67552265
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_portmng.c
@@ -0,0 +1,1273 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#include "hifc_module.h"
+#include "hifc_utils.h"
+#include "hifc_hba.h"
+#include "hifc_chipitf.h"
+#include "hifc_portmng.h"
+
+struct hifc_port_diag_op_s hifc_diag_op[] = {
+	{ UNF_PORT_DIAG_PORT_DETAIL, hifc_show_fc_port_detail },
+	{ UNF_PORT_DIAG_RD_WR_REG, hifc_rw_reg },
+	{ UNF_PORT_DIAG_BUTT, NULL }
+};
+
+char *wqe_type[HIFC_MAX_COUNTER_TYPE] = {
+	"TASK_TYPE_EMPTY",
+	"HIFC_SEND_IWRITE",
+	"HIFC_SEND_IREAD",
+	"HIFC_RECV_IRESP",
+	/* obsoleted */
+	"HIFC_RECV_TCMND",
+	/* FCP Read IO Control Command. */
+	"HIFC_SEND_TREAD",
+	/* FCP Write IO Control Command (XFER_RDY). */
+	"HIFC_SEND_TWRITE",
+	/* Target Mode send FCP_RESP of Read/Write */
+	"HIFC_SEND_TRESP",
+	/* Status for FCP_TREAD/FCP_TWRITE/FCP_TRESP */
+	"HIFC_RECV_TSTS",
+	"HIFC_SEND_ABTS",
+	"HIFC_SEND_IELS",
+	"HIFC_SEND_ITMF",
+	"HIFC_SEND_CLEAN_UP",
+	"HIFC_SEND_CLEAN_UP_ALL",
+	/* Receive unsolicited data */
+	"HIFC_RECV_UNSOLICITED",
+	"HIFC_RECV_ERR_WARN",
+	"HIFC_RECV_SESS_EN",
+	"HIFC_SEND_SESS_DIS",
+	"HIFC_SEND_SESS_DEL",
+	"HIFC_SEND_CQE_AVAILABLE",
+	/* Receive FCP_CMND From Remote Port and Transfer to driver. 20 */
+	"HIFC_RECV_TCMND",
+	/* Receive ELS From Remote Port and Transfer to driver. */
+	"HIFC_RECV_ELS_CMD",
+	/* Receive ELS From Remote Port and Transfer to driver. */
+	"HIFC_RECV_ABTS_CMD",
+	/* Receive immidiate data. */
+	"HIFC_RECV_IMMIDIATE",
+	/*
+	 * ESL response. PLOGI_ACC, PRLI_ACC will carry the parent context
+	 * parameter indication.
+	 */
+	"HIFC_SEND_ELS_RSP",
+	/* Status for ELS. */
+	"HIFC_RECV_ELS_RSP_STS",
+	/* ABTS response with abort flag. */
+	"HIFC_SEND_ABTS_RSP",
+	/* Status for ABTS. */
+	"HIFC_RECV_ABTS_RSP_STS",
+	/* Abort Command */
+	"HIFC_SEND_ABORT",
+	/* Status for ABORT. */
+	"HIFC_RECV_ABORT_STS",
+
+	"HIFC_SEND_ELS",
+	"HIFC_RECV_ELS_RSP",
+	/* GS request Command */
+	"HIFC_SEND_GS",
+	/* GS response. */
+	"HIFC_RECV_GS_RSP",
+	/* Status for offload req. */
+	"HIFC_RECV_SESS_EN_STS",
+	/* Status for session disable. */
+	"HIFC_RECV_SESS_DIS_STS",
+	/* Status for session delete. */
+	"HIFC_RECV_SESS_DEL_STS",
+	/* Status for ABORT. */
+	"HIFC_RECV_ABTS_RSP",
+	/* Buffer Clear */
+	"HIFC_SEND_BUFFER_CLEAR",
+	/* Status for Buffer Clear */
+	"HIFC_RECV_BUFFER_CLEAR_STS",
+	/* Flush Sq 40 */
+	"HIFC_SEND_FLUSH_SQ",
+	/* Status for FLUSH_SQ */
+	"HIFC_RECV_FLUSH_SQ_STS",
+	/* Reset session SQE type */
+	"HIFC_SEND_SESS_RESET",
+	/* Reset session SCQE type */
+	"HIFC_RECV_SESS_RESET_STS",
+	"HIFC_RECV_CQE_AVAILABLE_STS",
+	"HIFC_SEND_DUMP_EXCH",
+	"HIFC_SEND_INIT_SRQC",
+	"HIFC_SEND_CLEAR_SRQ",
+	"HIFC_RECV_CLEAR_SRQ_STS",
+	"HIFC_SEND_INIT_SCQC",
+	"HIFC_SEND_DEL_SCQC",
+	"HIFC_SEND_TMF_RESP",
+	"HIFC_SEND_DEL_SRQC",
+	"HIFC_RECV_IMMI_CONTINUE",
+	"HIFC_RECV_ITMF_RESP",
+	"HIFC_RECV_MARKER_STS",
+	"HIFC_SEND_TACK",
+	"HIFC_SEND_AEQERR",
+	"HIFC_RECV_ABTS_MARKER_STS"
+};
+
+char *scq_err_type[HIFC_MAX_COUNTER_TYPE] = {
+	"HIFC_CQE_COMPLETED",
+	"HIFC_SESS_HT_INSERT_FAIL",
+	"HIFC_SESS_HT_INSERT_DUPLICATE",
+	"HIFC_SESS_HT_BIT_SET_FAIL",
+	"HIFC_SESS_HT_DELETE_FAIL",
+
+	"HIFC_CQE_BUFFER_CLEAR_IO_COMPLETED",
+	"HIFC_CQE_SESSION_ONLY_CLEAR_IO_COMPLETED",
+	"HIFC_CQE_SESSION_RST_CLEAR_IO_COMPLETED",
+	"HIFC_CQE_TMF_RSP_IO_COMPLETED",
+	"HIFC_CQE_TMF_IO_COMPLETED",
+	"HIFC_CQE_DRV_ABORT_IO_COMPLETED",
+	"HIFC_CQE_DRV_ABORT_IO_IN_RSP_COMPLETED",
+	"HIFC_CQE_DRV_ABORT_IO_IN_CMD_COMPLETED",
+	"HIFC_CQE_WQE_FLUSH_IO_COMPLETED",
+
+	"HIFC_ERROR_CODE_DATA_DIFX_FAILED",
+	"HIFC_ERROR_CODE_DATA_TASK_TYPE_INCORRECT",
+	"HIFC_ERROR_CODE_DATA_OOO_RO",
+	"HIFC_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS",
+
+	"HIFC_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD",
+	"HIFC_ERROR_CODE_FCP_CONF_NOT_SUPPORTED",
+	"HIFC_ERROR_CODE_FCP_RSP_OPENED_SEQ",
+
+	"HIFC_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE",
+	"HIFC_ERROR_CODE_XFER_PEND_XFER_SET",
+	"HIFC_ERROR_CODE_XFER_OOO_RO",
+	"HIFC_ERROR_CODE_XFER_NULL_BURST_LEN",
+
+	"HIFC_ERROR_CODE_REC_TIMER_EXPIRE",
+	"HIFC_ERROR_CODE_E_D_TIMER_EXPIRE",
+	"HIFC_ERROR_CODE_ABORT_TIMER_EXPIRE",
+	"HIFC_ERROR_CODE_ABORT_MAGIC_NUM_NOT_MATCH",
+	"HIFC_IMMI_CMDPKT_SETUP_FAIL",
+	"HIFC_ERROR_CODE_DATA_SEQ_ID_NOT_EQUAL",
+
+	"HIFC_ELS_GS_RSP_EXCH_CHECK_FAIL",
+	"HIFC_CQE_ELS_GS_SRQE_GET_FAIL",
+	"HIFC_CQE_DATA_DMA_REQ_FAIL",
+	"HIFC_CQE_SESSION_CLOSED",
+	"HIFC_SCQ_IS_FULL",
+	"HIFC_SRQ_IS_FULL",
+	"HIFC_DUCHILDCTX_SETUP_FAIL",
+	"HIFC_ERROR_INVALID_TXMFS",
+	"HIFC_OFFLOAD_LACKOF_SCQE_FAIL",
+	"HIFC_INVALID_TASK_ID",
+	"HIFC_INVALID_PKT_LEN",
+	"HIFC_CQE_ELS_GS_REQ_CLR_IO_COMPLETED",
+	"HIFC_CQE_ELS_RSP_CLR_IO_COMPLETED",
+	"HIFC_CODE_RESID_UNDER_ERR"
+};
+
+char *com_up_err_event_type[HIFC_MAX_COUNTER_TYPE] = {
+	"HIFC_EVENT_HEART_LOST",
+};
+
+char *aeq_err_type[HIFC_MAX_COUNTER_TYPE] = {
+	/* que_err_code */
+	"HIFC_SCQ_IS_FULL_ERR",
+	"HIFC_SRQ_IS_FULL_ERR",
+	/* wqe_fatal_err */
+	"HIFC_SQE_CHILD_SETUP_WQE_MSN_ERR",
+	"HIFC_SQE_CHILD_SETUP_WQE_GPA_ERR",
+	"HIFC_CMDPKT_CHILD_SETUP_INVALID_WQE_ERR_1",
+	"HIFC_CMDPKT_CHILD_SETUP_INVALID_WQE_ERR_2",
+	"HIFC_CLEAEQ_WQE_ERR",
+	"HIFC_WQEFETCH_WQE_MSN_ERR",
+	"HIFC_WQEFETCH_QUINFO_ERR",
+
+	/* ctx_fatal_err */
+	"HIFC_SCQE_ERR_BIT_ERR",
+	"HIFC_UPDMA_ADDR_REQ_SRQ_ERR",
+	"HIFC_SOLICHILDDMA_ADDR_REQ_ERR",
+	"HIFC_UNSOLICHILDDMA_ADDR_REQ_ERR",
+	"HIFC_SQE_CHILD_SETUP_QINFO_ERR_1",
+	"HIFC_SQE_CHILD_SETUP_QINFO_ERR_2",
+	"HIFC_CMDPKT_CHILD_SETUP_QINFO_ERR_1",
+	"HIFC_CMDPKT_CHILD_SETUP_QINFO_ERR_2",
+	"HIFC_CMDPKT_CHILD_SETUP_PMSN_ERR",
+	"HIFC_CLEAEQ_CTX_ERR",
+	"HIFC_WQEFETCH_CTX_ERR",
+	"HIFC_FLUSH_QPC_ERR_LQP",
+	"HIFC_FLUSH_QPC_ERR_SMF",
+	"HIFC_PREFETCH_QPC_ERR_1",
+	"HIFC_PREFETCH_QPC_ERR_2",
+	"HIFC_PREFETCH_QPC_ERR_3",
+	"HIFC_PREFETCH_QPC_ERR_4",
+	"HIFC_PREFETCH_QPC_ERR_5",
+	"HIFC_PREFETCH_QPC_ERR_6",
+	"HIFC_PREFETCH_QPC_ERR_7",
+	"HIFC_PREFETCH_QPC_ERR_8",
+	"HIFC_PREFETCH_QPC_ERR_9",
+	"HIFC_PREFETCH_QPC_ERR_10",
+	"HIFC_PREFETCH_QPC_ERR_11",
+	"HIFC_PREFETCH_QPC_ERR_DEFAULT",
+	"HIFC_CHILDHASH_INSERT_SW_ERR",
+	"HIFC_CHILDHASH_LOOKUP_SW_ERR",
+	"HIFC_CHILDHASH_DEL_SW_ERR",
+	"HIFC_FLOWHASH_INSERT_SW_ERR",
+	"HIFC_FLOWHASH_LOOKUP_SW_ERR",
+	"HIFC_FLOWHASH_DEL_SW_ERR",
+};
+
+char *err_event_type[HIFC_MAX_COUNTER_TYPE] = {
+	/* ERR type 0 Err value */
+	"HIFC_DRV_2_UP_PARA_ERR",
+	/* ERR type 1 Err value */
+	"HIFC_SFP_SPEED_ERR",
+	/* ERR type 2 Err value */
+	"HIFC_32GPUB_UA_RXESCH_FIFO_OF",
+	"HIFC_32GPUB_UA_RXESCH_FIFO_UCERR",
+
+	/* ERR type 3 Err value */
+	"HIFC_32G_UA_UATX_LEN_ABN",
+	"HIFC_32G_UA_RXAFIFO_OF",
+	"HIFC_32G_UA_TXAFIFO_OF",
+	"HIFC_32G_UA_RXAFIFO_UCERR",
+	"HIFC_32G_UA_TXAFIFO_UCERR",
+
+	/* ERR type 4 Err value */
+	"HIFC_32G_MAC_RX_BBC_FATAL",
+	"HIFC_32G_MAC_TX_BBC_FATAL",
+	"HIFC_32G_MAC_TXFIFO_UF",
+	"HIFC_32G_MAC_PCS_TXFIFO_UF",
+	"HIFC_32G_MAC_RXBBC_CRDT_TO",
+	"HIFC_32G_MAC_PCS_RXAFIFO_OF",
+	"HIFC_32G_MAC_PCS_TXFIFO_OF",
+	"HIFC_32G_MAC_FC2P_RXFIFO_OF",
+	"HIFC_32G_MAC_FC2P_TXFIFO_OF",
+	"HIFC_32G_MAC_FC2P_CAFIFO_OF",
+	"HIFC_32G_MAC_PCS_RXRSFECM_UCEER",
+	"HIFC_32G_MAC_PCS_RXAFIFO_UCEER",
+	"HIFC_32G_MAC_PCS_TXFIFO_UCEER",
+	"HIFC_32G_MAC_FC2P_RXFIFO_UCEER",
+	"HIFC_32G_MAC_FC2P_TXFIFO_UCEER",
+
+	/* ERR type 5 Err value */
+	"HIFC_NON32G_DFX_FC1_DFX_BF_FIFO",
+	"HIFC_NON32G_DFX_FC1_DFX_BP_FIFO",
+	"HIFC_NON32G_DFX_FC1_DFX_RX_AFIFO_ERR",
+	"HIFC_NON32G_DFX_FC1_DFX_TX_AFIFO_ERR",
+	"HIFC_NON32G_DFX_FC1_DFX_DIRQ_RXBUF_FIFO1",
+	"HIFC_NON32G_DFX_FC1_DFX_DIRQ_RXBBC_TO",
+	"HIFC_NON32G_DFX_FC1_DFX_DIRQ_TXDAT_FIFO",
+	"HIFC_NON32G_DFX_FC1_DFX_DIRQ_TXCMD_FIFO",
+	"HIFC_NON32G_DFX_FC1_ERR_R_RDY",
+
+	/* ERR type 6 Err value */
+	"HIFC_NON32G_MAC_FC1_FAIRNESS_ERROR",
+};
+
+unsigned int hifc_set_port_state(void *v_hba, void *v_para_in)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+	enum unf_port_config_state_e port_state = UNF_PORT_CONFIG_STATE_START;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_para_in, return UNF_RETURN_ERROR);
+
+	port_state = *((enum unf_port_config_state_e *)v_para_in);
+	switch (port_state) {
+	case UNF_PORT_CONFIG_STATE_RESET:
+		ret = (unsigned int)hifc_port_reset(v_hba);
+		break;
+	default:
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]Cannot set port_state(0x%x)", port_state);
+		break;
+	}
+
+	return ret;
+}
+
+unsigned int hifc_set_port_speed(void *v_hba, void *v_para_in)
+{
+	unsigned long flags = 0;
+	unsigned int port_speed = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_para_in, return UNF_RETURN_ERROR);
+	port_speed = *((unsigned int *)v_para_in);
+
+	if (port_speed > hba->max_support_speed) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]Speed set(0x%x) exceed max speed(0x%x)",
+			  port_speed,
+			  hba->max_support_speed);
+		return UNF_RETURN_ERROR;
+	}
+
+	if ((port_speed >= HIFC_SPEED_16G) &&
+	    (hba->port_topo_cfg == UNF_TOP_LOOP_MASK)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]Cannot set speed(0x%x) in LOOP mode, check it",
+			  port_speed);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->port_speed_cfg = port_speed;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	if (hifc_port_reset(hba) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]HIFC port(0x%x) can't reset HBA",
+			  hba->port_cfg.port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC port(0x%x) set port speed finished, configured speed: 0x%x",
+		  hba->port_cfg.port_id, port_speed);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_set_max_support_speed(void *v_hba, void *para_in)
+{
+	unsigned long flags = 0;
+	unsigned char max_support_speed = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != para_in, return UNF_RETURN_ERROR);
+	max_support_speed = *((unsigned char *)para_in);
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->max_support_speed = max_support_speed;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	if (hifc_port_reset(hba) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]HIFC port(0x%x) can't reset HBA",
+			  hba->port_cfg.port_id);
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC set port(0x%x) speed finished, configured max support speed: 0x%x",
+		  hba->port_cfg.port_id, max_support_speed);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_set_loop_role(void *v_hba, void *para_in)
+{
+	unsigned long flags = 0;
+	unsigned int loop_role = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != para_in, return UNF_RETURN_ERROR);
+
+	loop_role = *((unsigned int *)para_in);
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->port_loop_role = loop_role;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	if (hifc_port_reset(hba) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]HIFC port(0x%x) can't reset HBA",
+			  hba->port_cfg.port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC port(0x%x) set loop role finished, configured loop role: 0x%x",
+		  hba->port_cfg.port_id, loop_role);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_set_port_topo(void *v_hba, void *v_para_in)
+{
+	unsigned long flags = 0;
+	unsigned int top = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_para_in, return UNF_RETURN_ERROR);
+
+	top = *((unsigned int *)v_para_in);
+	if ((top == UNF_TOP_LOOP_MASK) &&
+	    (hba->port_speed_cfg >= HIFC_SPEED_16G)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Cannot set to loop mode at speed(0x%x), check it",
+			  hba->port_speed_cfg);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->port_topo_cfg = top;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	if (hifc_port_reset(hba) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]HIFC port(0x%x) can't reset HBA",
+			  hba->port_cfg.port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC port(0x%x) set port topology finished, configured topology: 0x%x",
+		  hba->port_cfg.port_id, top);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_set_port_fcp_conf(void *v_hba, void *para_in)
+{
+	unsigned long flags = 0;
+	unsigned int fcp_conf = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, hba, return UNF_RETURN_ERROR);
+	 HIFC_CHECK(INVALID_VALUE32, para_in, return UNF_RETURN_ERROR);
+
+	fcp_conf = *((unsigned int *)para_in);
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->fcp_conf_cfg = fcp_conf;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC set port(0x%x) FCP confirm finished, configured value: 0x%x",
+		  hba->port_cfg.port_id, fcp_conf);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_set_port_bbscn(void *v_hba, void *para_in)
+{
+	unsigned long flags = 0;
+	unsigned int bbscn = 0;
+	struct hifc_hba_s *hba = v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != para_in, return UNF_RETURN_ERROR);
+
+	bbscn = *((unsigned int *)para_in);
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->port_bbscn_cfg = bbscn;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	if (hifc_port_reset(hba) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]HIFC port(0x%x) can't reset HBA",
+			  hba->port_cfg.port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]HIFC set port(0x%x) BBSCN finished, configured value: 0x%x",
+		  hba->port_cfg.port_id, bbscn);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_show_fc_port_detail(void *v_hba, void *v_para)
+{
+	struct hifc_fw_ver_detail_s version;
+	void *ver_buf = NULL;
+	struct unf_fw_version_s *fw_version = (struct unf_fw_version_s *)v_para;
+
+	memset(&version, 0, sizeof(struct hifc_fw_ver_detail_s));
+	ver_buf = (void *)(&version);
+
+	/* Obtain UP, ucode and boot version */
+	if (hifc_get_software_version(v_hba, ver_buf) != RETURN_OK)
+		return UNF_RETURN_ERROR;
+
+	if (fw_version->message_type == UNF_DEBUG_TYPE_MESSAGE)
+		memcpy(fw_version->fw_version, version.up_ver, HIFC_VER_LEN);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_port_diagnose(void *v_hba,
+				enum unf_port_diag_op_e op_code,
+				void *v_para)
+{
+	unsigned int op_idx = 0;
+
+	HIFC_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		   "[info]port diagnose succeed, opcode(0x%x), operation ID(0x%x)",
+		   op_code, op_idx);
+	HIFC_CHECK(INVALID_VALUE32, v_hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, v_para, return UNF_RETURN_ERROR);
+
+	for (op_idx = 0; op_idx < sizeof(hifc_diag_op) /
+	     sizeof(struct hifc_port_diag_op_s);
+		op_idx++) {
+		if (op_code == hifc_diag_op[op_idx].op_code) {
+			if (!hifc_diag_op[op_idx].pfn_hifc_operation) {
+				HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR,
+					   UNF_LOG_REG_ATT, UNF_ERR,
+					   "[err]Null operation for diagnose, opcode(0x%x), operation ID(0x%x)",
+					   op_code, op_idx);
+
+				return UNF_RETURN_ERROR;
+			} else {
+				return hifc_diag_op[op_idx].pfn_hifc_operation(v_hba, v_para);
+			}
+		}
+	}
+
+	return RETURN_OK;
+}
+
+int hifc_dfx_get_rxtx_state(void *v_hba, void *v_buff_out)
+{
+	int ret = RETURN_OK;
+	unsigned long long *counter_info = NULL;
+	unsigned int probe_index = 0;
+	unsigned int index = 0;
+	unsigned int total = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_buff_out;
+
+	counter_info =
+		vmalloc(sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	if (!counter_info) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "[err]malloc memory failed");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	memset(counter_info, 0,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	probe_index = hba->probe_index;
+	total = sizeof(wqe_type) / sizeof(char *);
+
+	for (index = 0; index < total; index++) {
+		if (wqe_type[index])
+			counter_info[index] = HIFC_IO_STAT_READ(probe_index,
+								index);
+	}
+
+	memcpy(buff_out->unresult.result, counter_info,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	vfree(counter_info);
+	return ret;
+}
+
+int hifc_dfx_get_rxtx_error_state(void *v_hba, void *v_buff_out)
+{
+	char *hba_err_type[HIFC_HBA_STAT_BUTT];
+	int ret = RETURN_OK;
+	unsigned long long *counter_info = NULL;
+	unsigned int probe_index = 0;
+	unsigned int index = 0;
+	unsigned int counter = 0;
+	unsigned int total = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_buff_out;
+	counter_info =
+		vmalloc(sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	if (!counter_info) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "[err]malloc memory failed");
+		return UNF_RETURN_ERROR;
+	}
+
+	memset(counter_info, 0,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	probe_index = hba->probe_index;
+	total = sizeof(wqe_type) / sizeof(char *);
+
+	for (index = 0; index < total; index++) {
+		if (wqe_type[index]) {
+			counter_info[counter] =
+				HIFC_ERR_IO_STAT_READ(probe_index, index);
+			counter++;
+		}
+	}
+
+	total = sizeof(hba_err_type) / sizeof(char *);
+	for (index = 0; index < total; index++) {
+		counter_info[counter] = hba_stat[probe_index][index];
+		counter++;
+	}
+
+	memcpy(buff_out->unresult.result, counter_info,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	vfree(counter_info);
+	return ret;
+}
+
+int hifc_dfx_get_error_state(void *v_hba, void *v_buff_out)
+{
+	int ret = RETURN_OK;
+	unsigned long long *counter_info = NULL;
+	unsigned int probe_index = 0;
+	unsigned int index = 0;
+	unsigned int counter = 0;
+	unsigned int total = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_buff_out;
+
+	counter_info =
+		vmalloc(sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	if (!counter_info) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "[err]malloc memory failed");
+		return UNF_RETURN_ERROR;
+	}
+	memset(counter_info, 0,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	probe_index = hba->probe_index;
+
+	total = sizeof(scq_err_type) / sizeof(char *);
+	for (index = 1; index < total; index++) {
+		if (scq_err_type[index]) {
+			counter_info[counter] =
+				HIFC_SCQ_ERR_TYPE_STAT_READ(probe_index, index);
+			counter++;
+		}
+	}
+
+	total = sizeof(aeq_err_type) / sizeof(char *);
+	for (index = 0; index < total; index++) {
+		if (aeq_err_type[index]) {
+			counter_info[counter] =
+				HIFC_AEQ_ERR_TYPE_STAT_READ(probe_index, index);
+			counter++;
+		}
+	}
+
+	total = sizeof(err_event_type) / sizeof(char *);
+	for (index = 0; index < total; index++) {
+		if (err_event_type[index]) {
+			counter_info[counter] =
+				HIFC_UP_ERR_EVENT_STAT_READ(probe_index, index);
+			counter++;
+		}
+	}
+
+	total = sizeof(com_up_err_event_type) / sizeof(char *);
+	for (index = 0; index < total; index++) {
+		if (com_up_err_event_type[index]) {
+			counter_info[counter] =
+				HIFC_COM_UP_ERR_EVENT_STAT_READ(probe_index,
+								index);
+			counter++;
+		}
+	}
+
+	memcpy(buff_out->unresult.result, counter_info,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	vfree(counter_info);
+	return ret;
+}
+
+int hifc_dfx_get_link_state(void *v_hba, void *v_buff_out)
+{
+#define HIFC_LINK_UNKNOW      0
+#define HIFC_LINK_UP          1
+#define HIFC_LINK_DOWN        2
+#define HIFC_FC_DELETE_CMND   3
+#define HIFC_LINK_DOWN_REASON 4
+
+	int ret = RETURN_OK;
+	unsigned int index;
+	unsigned int counter_index;
+	unsigned int *counter_info = NULL;
+	unsigned int probe_index = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_buff_out;
+	counter_info = vmalloc(sizeof(unsigned int) * HIFC_DFX_BACK_INFO_SIZE);
+	if (!counter_info) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "[err]malloc memory failed");
+		return UNF_RETURN_ERROR;
+	}
+
+	memset(counter_info, 0, sizeof(unsigned int) * HIFC_DFX_BACK_INFO_SIZE);
+	probe_index = hba->probe_index;
+
+	counter_info[HIFC_LINK_UP] =
+		(unsigned int)link_event_stat[probe_index][HIFC_LINK_UP];
+	counter_info[HIFC_LINK_DOWN] =
+		(unsigned int)link_event_stat[probe_index][HIFC_LINK_DOWN];
+	counter_info[HIFC_FC_DELETE_CMND] =
+		(unsigned int)link_event_stat[probe_index][HIFC_FC_DELETE_CMND];
+	counter_info[HIFC_LINK_UNKNOW] =
+		(unsigned int)link_event_stat[probe_index][HIFC_LINK_UNKNOW];
+
+	for (index = 0; index < HIFC_MAX_LINK_REASON_CNT; index++) {
+		if (link_reason_stat[probe_index][index]) {
+			counter_index = HIFC_LINK_DOWN_REASON + index;
+			counter_info[counter_index] =
+				(unsigned int)
+				link_reason_stat[probe_index][index];
+		}
+	}
+
+	memcpy(buff_out->unresult.result, counter_info,
+	       sizeof(unsigned int) * HIFC_DFX_BACK_INFO_SIZE);
+	vfree(counter_info);
+	return ret;
+}
+
+int hifc_dfx_dif_error(void *v_hba, void *v_buff_out, unsigned int v_clear)
+{
+#define HIFC_MAX_DIF_ERROR_COUNTER 8
+
+	int ret = RETURN_OK;
+	unsigned int index = 0;
+	unsigned int total = 0;
+	unsigned long long *counter_info = NULL;
+	unsigned int probe_index = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_buff_out;
+
+	counter_info =
+		vmalloc(sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	if (!counter_info) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "[err]malloc memory failed");
+		return UNF_RETURN_ERROR;
+	}
+	memset(counter_info, 0,
+	       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+
+	probe_index = hba->probe_index;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+		  "[info]The clear flag of DIF error counter is %u", v_clear);
+
+	if (!v_clear) {
+		total = HIFC_MAX_DIF_ERROR_COUNTER;
+
+		for (index = 1; index < total; index++)
+			counter_info[index - 1] =
+				HIFC_DIF_ERR_STAT_READ(probe_index, index);
+
+		memcpy(buff_out->unresult.result, counter_info,
+		       sizeof(unsigned long long) * HIFC_DFX_BACK_INFO_SIZE64);
+	} else {
+		memset(dif_err_stat[probe_index], 0, sizeof(dif_err_stat[0]));
+	}
+	vfree(counter_info);
+	return ret;
+}
+
+int hifc_set_dfx_mode(void *v_hba, struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int mode;
+	struct hifc_adm_dfx_cmd_s *buff_in = NULL;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+
+	HIFC_CHECK(INVALID_VALUE32, v_input, return UNF_RETURN_ERROR);
+
+	buff_in = v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+
+	HIFC_CHECK(INVALID_VALUE32, buff_in, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		v_input->in_size >= sizeof(struct hifc_adm_dfx_cmd_s),
+		return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		*v_input->out_size >= sizeof(struct hifc_adm_dfx_cmd_s),
+		return UNF_RETURN_ERROR);
+
+	buff_out->msg_head.status = HIFC_ADM_MSG_DONE;
+	mode = buff_in->cmd[0];
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Enter DFX mode(%u)", mode);
+
+	switch (mode) {
+	/* HBA WQE and SCQE statistic */
+	case HIFC_TX_RX_STATE_COUNTER:
+		ret = hifc_dfx_get_rxtx_state(v_hba, (void *)buff_out);
+		break;
+
+	/* TX and RX error counter, HBA counter */
+	case HIFC_TX_RX_ERROR_STATE_COUNTER:
+		ret = hifc_dfx_get_rxtx_error_state(v_hba, (void *)buff_out);
+		break;
+
+	/* SCQ, AEQ, uP, common uP error counter */
+	case HIFC_ERROR_STATE_COUNTER:
+		ret = hifc_dfx_get_error_state(v_hba, (void *)buff_out);
+		break;
+
+	case HIFC_LINK_STATE_COUNTER:
+		ret = hifc_dfx_get_link_state(v_hba, (void *)buff_out);
+		break;
+
+	case HIFC_HOST_COUNTER:
+	case HIFC_SESSION_COUNTER:
+		UNF_LOWLEVEL_TO_CM_HINICADM(ret,
+					    ((struct hifc_hba_s *)v_hba)->lport,
+					    v_input);
+		break;
+
+	case HIFC_DIF_ERROR_COUNTER:
+		ret = hifc_dfx_dif_error(v_hba, (void *)buff_out,
+					 buff_in->cmd[1]);
+		break;
+
+	default:
+		break;
+	}
+
+	if (ret != RETURN_OK) {
+		buff_out->msg_head.status = HIFC_ADM_MSG_FAILED;
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[warn]Get DFX information failed, mode:0x%0x", mode);
+	}
+
+	buff_out->msg_head.size = sizeof(struct hifc_adm_dfx_cmd_s);
+	*v_input->out_size = sizeof(struct hifc_adm_dfx_cmd_s);
+
+	return ret;
+}
+
+unsigned int hifc_fec_mode(void *v_hba, struct unf_hinicam_pkg *v_input)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+	unsigned int fec_mode = 0;
+	struct hifc_adm_cmd_s *buff_in = NULL;
+	struct hifc_adm_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_input, return UNF_RETURN_ERROR);
+
+	buff_in = v_input->buff_in;
+	buff_out = (struct hifc_adm_cmd_s *)v_input->buff_out;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != buff_in, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		v_input->in_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		*v_input->out_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+
+	buff_out->msg_head.status = HIFC_ADM_MSG_DONE;
+	fec_mode = buff_in->cmd[0];
+
+	if (fec_mode < HIFC_QUERY_FEC_MODE) {
+		ret = hifc_mbx_set_fec((struct hifc_hba_s *)v_hba, fec_mode);
+		hba->fec_status = fec_mode;
+		if (ret != RETURN_OK) {
+			buff_out->msg_head.status = HIFC_ADM_MSG_FAILED;
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT,
+				  UNF_ERR,
+				  "[err]Set fec mode(0x%x) failed", fec_mode);
+
+			return ret;
+		}
+	} else if (fec_mode == HIFC_QUERY_FEC_MODE) {
+		buff_out->cmd[0] = hba->fec_status;
+		ret = RETURN_OK;
+	}
+
+	buff_out->msg_head.size = sizeof(struct hifc_adm_msg_head_s);
+	*v_input->out_size = sizeof(struct hifc_adm_cmd_s);
+
+	return ret;
+}
+
+unsigned int hifc_set_hba_base_info(void *v_hba, void *v_para_in)
+{
+#define HIFC_MML_CLOSE_FEC        0
+#define HIFC_MML_OPEN_FEC_VIA_TTS 1
+#define HIFC_MML_OPEN_FEC_ONLY    2
+
+	struct unf_port_info_entry_s *port_info = 0;
+	struct hifc_hba_s *hba = v_hba;
+	unsigned long flags = 0;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != hba, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_para_in, return UNF_RETURN_ERROR);
+	port_info = (struct unf_port_info_entry_s *)v_para_in;
+
+	if (port_info->speed > hba->max_support_speed) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) Speed set(0x%x) exceed max speed(0x%x)",
+			  hba->port_cfg.port_id, port_info->speed,
+			  hba->max_support_speed);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if ((port_info->speed >= HIFC_SPEED_16G) &&
+	    (port_info->topo == UNF_TOP_LOOP_MASK)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) Cannot set speed(0x%x) in LOOP mode, check it",
+			  hba->port_cfg.port_id, port_info->speed);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if ((port_info->fec != HIFC_MML_CLOSE_FEC) &&
+	    (port_info->fec != HIFC_MML_OPEN_FEC_VIA_TTS) &&
+	    (port_info->fec != HIFC_MML_OPEN_FEC_ONLY)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[err]Port(0x%x) parameter error! please input 0,1 or 2!",
+			  hba->port_cfg.port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (hifc_mbx_set_fec(hba, port_info->fec) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[err]Port(0x%x) set FEC %u failed.\n",
+			  hba->port_cfg.port_id,
+			  port_info->fec);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	spin_lock_irqsave(&hba->hba_lock, flags);
+	hba->port_speed_cfg = port_info->speed;
+	hba->port_topo_cfg = port_info->topo;
+	hba->port_bbscn_cfg = port_info->bb_scn;
+	spin_unlock_irqrestore(&hba->hba_lock, flags);
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_bbscn_mode(void *v_hba, struct unf_hinicam_pkg *v_input)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+	unsigned int bbscn_mode;
+	struct hifc_adm_cmd_s *buff_in = NULL;
+	struct hifc_adm_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_input, return UNF_RETURN_ERROR);
+
+	buff_in = v_input->buff_in;
+	buff_out = (struct hifc_adm_cmd_s *)v_input->buff_out;
+
+	HIFC_CHECK(INVALID_VALUE32, buff_in, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		v_input->in_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+
+	HIFC_CHECK(INVALID_VALUE32,
+		*v_input->out_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+
+	buff_out->msg_head.status = HIFC_ADM_MSG_DONE;
+	bbscn_mode = buff_in->cmd[0];
+
+	if (bbscn_mode == HIFC_SET_BBSCN_VALUE) {
+		UNF_LOWLEVEL_TO_CM_HINICADM(ret, hba->lport, v_input);
+	} else if (bbscn_mode == HIFC_QUERY_BBSCN_VALUE) {
+		ret = hifc_get_port_info((void *)hba);
+		if (hba->phy_link == UNF_PORT_LINK_UP) {
+			buff_out->cmd[0] = hba->active_bb_scn;
+			buff_out->cmd[1] = hba->port_bbscn_cfg;
+		} else {
+			buff_out->cmd[0] = UNF_FALSE;
+			buff_out->cmd[1] = hba->port_bbscn_cfg;
+		}
+
+		buff_out->msg_head.size = sizeof(struct hifc_adm_msg_head_s) +
+					  sizeof(unsigned int);
+	}
+
+	if (ret != RETURN_OK) {
+		buff_out->msg_head.status = HIFC_ADM_MSG_FAILED;
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Execute BBSCN mode(0x%x) failed", bbscn_mode);
+
+		return ret;
+	}
+
+	*v_input->out_size = sizeof(struct hifc_adm_cmd_s);
+
+	return ret;
+}
+
+unsigned int hifc_port_stat(void *v_hba, struct unf_hinicam_pkg *v_input)
+{
+	struct hifc_adm_lsq_info_s *buff_in = NULL;
+	struct hifc_adm_lsq_info_s *buff_out = NULL;
+	struct hifc_hba_s *hba = (struct hifc_hba_s *)v_hba;
+	unsigned int rport_start = 0;
+	struct hifc_parent_queue_mgr_s *parent_queue_mgr = NULL;
+	unsigned int index = 0;
+	unsigned int queue_state[HIFC_QUEUE_STATE_BUTT] = { 0 };
+	struct hifc_parent_sq_info_s *sq = NULL;
+	int out_standing_cnt = 0;
+	unsigned int in_sq_cnt = 0;
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_input, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != v_hba, return UNF_RETURN_ERROR);
+
+	buff_in = v_input->buff_in;
+	buff_out = (struct hifc_adm_lsq_info_s *)v_input->buff_out;
+
+	HIFC_CHECK(INVALID_VALUE32, buff_in, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		v_input->in_size >= sizeof(struct hifc_adm_lsq_info_s),
+		return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		*v_input->out_size >= sizeof(struct hifc_adm_lsq_info_s),
+		return UNF_RETURN_ERROR);
+
+	rport_start = buff_in->cmd[0];
+
+	parent_queue_mgr = hba->parent_queue_mgr;
+	if (!parent_queue_mgr) {
+		HIFC_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			   "Port 0x%x Parent Queue Manager is Empty",
+			   hba->port_cfg.port_id);
+		return UNF_RETURN_ERROR;
+	}
+
+	for (index = 0; index < UNF_HIFC_MAXRPORT_NUM; index++) {
+		if (parent_queue_mgr->parent_queues[index].offload_state <
+		    HIFC_QUEUE_STATE_BUTT)
+			queue_state[parent_queue_mgr->parent_queues[index].offload_state]++;
+	}
+
+	buff_out->port_state.port_id = hba->port_cfg.port_id;
+	buff_out->port_state.rport_num =
+		(UNF_HIFC_MAXRPORT_NUM - queue_state[HIFC_QUEUE_STATE_FREE]);
+	buff_out->port_state.init = queue_state[HIFC_QUEUE_STATE_INITIALIZED];
+	buff_out->port_state.offloading =
+				queue_state[HIFC_QUEUE_STATE_OFFLOADING];
+	buff_out->port_state.offloaded =
+				queue_state[HIFC_QUEUE_STATE_OFFLOADED];
+	buff_out->port_state.destroying =
+				queue_state[HIFC_QUEUE_STATE_DESTROYING];
+
+	index = rport_start;
+
+	if ((index < UNF_HIFC_MAXRPORT_NUM) &&
+	    (parent_queue_mgr->parent_queues[index].offload_state !=
+	    HIFC_QUEUE_STATE_FREE)) {
+		sq = &parent_queue_mgr->parent_queues[index].parent_sq_info;
+
+		buff_out->sq.sq_id = index;
+		buff_out->sq.rport_index = sq->rport_index;
+		buff_out->sq.xid = sq->context_id;
+		buff_out->sq.cid = sq->cache_id;
+		buff_out->sq.sid = sq->local_port_id;
+		buff_out->sq.did = sq->remote_port_id;
+		buff_out->sq.vpid = parent_queue_mgr->parent_queues[index].parent_sq_info.vport_id;
+		buff_out->sq.cmd_local_queue_id = parent_queue_mgr->parent_queues[index].parent_cmd_scq_info.local_queue_id;
+		buff_out->sq.cmd_cqm_queue_id = parent_queue_mgr->parent_queues[index].parent_cmd_scq_info.cqm_queue_id;
+		buff_out->sq.sts_local_queue_id = parent_queue_mgr->parent_queues[index].parent_sts_scq_info.local_queue_id;
+		buff_out->sq.sts_cqm_queue_id = parent_queue_mgr->parent_queues[index].parent_sts_scq_info.cqm_queue_id;
+		buff_out->sq.cos =
+			parent_queue_mgr->parent_queues[index].queue_data_cos;
+		buff_out->sq.off_load =
+			parent_queue_mgr->parent_queues[index].offload_state;
+
+		out_standing_cnt = atomic_read(&sq->sqe_minus_cqe_cnt);
+		/* read memory barrier */
+		rmb();
+		in_sq_cnt = HIFC_QUEUE_MSN_OFFSET(HIFC_GET_QUEUE_CMSN(sq),
+						  sq->last_pmsn);
+		/* read memory barrier */
+		rmb();
+
+		buff_out->sq.cmsn = HIFC_GET_QUEUE_CMSN(sq);
+		buff_out->sq.pmsn = sq->last_pmsn;
+		buff_out->sq.db_cnt = atomic_read(&sq->sq_dbl_cnt);
+		buff_out->sq.sqe_cnt = atomic_read(&sq->sq_wqe_cnt);
+		buff_out->sq.cqe_cnt = atomic_read(&sq->sq_cqe_cnt);
+		buff_out->sq.in_sq_cnt = in_sq_cnt;
+		buff_out->sq.in_chip_cnt = out_standing_cnt - (int)in_sq_cnt;
+
+		buff_out->mark = UNF_TRUE;
+
+	} else {
+		buff_out->mark = UNF_FALSE;
+	}
+
+	return RETURN_OK;
+}
+
+unsigned int hifc_port_info(struct unf_hinicam_pkg *v_input)
+{
+#define HIFC_INQUIRE_PORT_NUM_MODE 1
+
+	unsigned int ret = UNF_RETURN_ERROR;
+	unsigned int inquire_type;
+	unsigned int probe_total_num = 0;
+	unsigned int probe_index = 0;
+	unsigned int count = 0;
+	struct hifc_adm_cmd_s *buff_in = NULL;
+	struct hifc_adm_cmd_s *buff_out = NULL;
+	struct hifc_hba_s *hba = NULL;
+
+	HIFC_CHECK(INVALID_VALUE32, v_input, return UNF_RETURN_ERROR);
+
+	buff_in = v_input->buff_in;
+	buff_out = (struct hifc_adm_cmd_s *)v_input->buff_out;
+
+	HIFC_CHECK(INVALID_VALUE32, buff_in, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		v_input->in_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32,
+		*v_input->out_size >= sizeof(struct hifc_adm_cmd_s),
+		return UNF_RETURN_ERROR);
+
+	hifc_get_total_probed_num(&probe_total_num);
+
+	/* First bit is used to obtain total probe number */
+	inquire_type = buff_in->cmd[0];
+	if (inquire_type == HIFC_INQUIRE_PORT_NUM_MODE) {
+		buff_out->cmd[0] = probe_total_num;
+		buff_out->msg_head.status = HIFC_ADM_MSG_DONE;
+		*v_input->out_size = sizeof(struct hifc_adm_cmd_s);
+
+		return RETURN_OK;
+	}
+
+	spin_lock(&probe_spin_lock);
+	for (probe_index = 0; probe_index < HIFC_MAX_PROBE_PORT_NUM;
+	     probe_index++) {
+		/* Second bit is used to determine to obtain which port */
+		if (buff_in->cmd[1] == count)
+			break;
+
+		if (test_bit((int)probe_index,
+			     (const unsigned long *)probe_bit_map))
+			count++;
+	}
+	spin_unlock(&probe_spin_lock);
+
+	if (probe_index == HIFC_MAX_PROBE_PORT_NUM) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Can't find port(0x%x) total port(0x%x)",
+			  buff_in->cmd[1], probe_total_num);
+
+		buff_out->msg_head.status = HIFC_ADM_MSG_FAILED;
+
+		return ret;
+	}
+
+	hba = hifc_hba[probe_index];
+	/* Obtain buffer length applied from user */
+	v_input->in_size = buff_in->cmd[2];
+	if (!hba)
+		return UNF_RETURN_ERROR;
+
+	UNF_LOWLEVEL_TO_CM_HINICADM(ret, hba->lport, v_input);
+
+	return ret;
+}
+
+int hifc_adm(void *uld_dev, unsigned int msg_formate, void *buffin,
+	     unsigned int in_size, void *buff_out, unsigned int *out_size)
+{
+	int ret = UNF_RETURN_ERROR;
+	struct hifc_hba_s *hba = NULL;
+	struct unf_hinicam_pkg adm_pkg = { 0 };
+	struct hifc_drv_version_s *ver_info;
+	char ver_str[HIFC_VER_INFO_SIZE] = { 0 };
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != buff_out, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != buffin, return UNF_RETURN_ERROR);
+	HIFC_CHECK(INVALID_VALUE32, NULL != out_size, return UNF_RETURN_ERROR);
+
+	adm_pkg.msg_format = msg_formate;
+	adm_pkg.buff_in = buffin;
+	adm_pkg.buff_out = buff_out;
+	adm_pkg.in_size = in_size;
+	adm_pkg.out_size = out_size;
+
+	if (msg_formate == HIFC_GET_DRIVER_VERSION) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[info]Enter HIFC_GET_DRIVER_VERSION");
+
+		snprintf(ver_str, sizeof(ver_str), "%s  %s", UNF_FC_VERSION,
+			 __TIME_STR__);
+
+		ver_info = (struct hifc_drv_version_s *)buff_out;
+		HIFC_CHECK(INVALID_VALUE32,
+			*out_size >= sizeof(struct hifc_drv_version_s),
+			return UNF_RETURN_ERROR);
+		memcpy(ver_info->ver, ver_str, sizeof(ver_str));
+
+		*(unsigned int *)out_size = sizeof(struct hifc_drv_version_s);
+
+		return RETURN_OK;
+	}
+
+	if (msg_formate == HIFC_COMPAT_TEST) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[info]Enter driver compatibility test");
+		/* UNF_TRUE: driver is compatible with hifcadm */
+		*(unsigned char *)buff_out = UNF_TRUE;
+		*(unsigned int *)out_size = sizeof(unsigned char);
+
+		return RETURN_OK;
+	}
+
+	HIFC_CHECK(INVALID_VALUE32, NULL != uld_dev, return UNF_RETURN_ERROR);
+	hba = (struct hifc_hba_s *)uld_dev;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Enter hifc_adm, msg_formate(0x%x)", msg_formate);
+
+	switch (msg_formate) {
+	case HIFC_DFX:
+		ret = hifc_set_dfx_mode((void *)hba, &adm_pkg);
+		break;
+	case HIFC_FEC_SET:
+		ret = (int)hifc_fec_mode((void *)hba, &adm_pkg);
+		break;
+	case HIFC_BBSCN:
+		ret = (int)hifc_bbscn_mode((void *)hba, &adm_pkg);
+		break;
+
+	case HIFC_PORTSTAT:
+		ret = (int)hifc_port_stat((void *)hba, &adm_pkg);
+		break;
+
+	case HIFC_ALL_INFO_OP:
+		ret = (int)hifc_port_info(&adm_pkg);
+		break;
+
+	default:
+		UNF_LOWLEVEL_TO_CM_HINICADM(ret, hba->lport, &adm_pkg);
+		break;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Enter hifc_adm 0x%x", *adm_pkg.out_size);
+
+	return ret;
+}
+
diff --git a/drivers/scsi/huawei/hifc/hifc_portmng.h b/drivers/scsi/huawei/hifc/hifc_portmng.h
new file mode 100644
index 000000000000..76e0884125dc
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_portmng.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+
+#ifndef __HIFC_PORTMNG_H__
+#define __HIFC_PORTMNG_H__
+
+#include "unf_common.h"
+#include "hifc_module.h"
+#include "hifc_hba.h"
+
+#define HIFC_PORT_INFO_SIZE       10
+#define HIFC_DFX_BACK_INFO_SIZE   406
+#define HIFC_DFX_BACK_INFO_SIZE64 203
+#define HIFC_GET_DRIVER_VERSION   16
+#define HIFC_SET_BBSCN_VALUE      0
+#define HIFC_QUERY_BBSCN_VALUE    1
+#define HIFC_QUERY_FEC_MODE       2
+
+#define FC_DFX_SEND_INFO_SIZE      5
+#define FC_DFX_BACK_INFO_64        203
+#define FC_DFX_BACK_INFO_32        406
+#define FC_DFX_MAX_IO_RETURN_VALUE 0x12
+#define FC_DFX_MAX_SCSI_CMD        0xFF
+#define FC_DFX_SCSI_CMD_FIRST_GET  100
+
+struct unf_adm_dfx_session_state {
+	unsigned char session1 : 4;
+	unsigned char session2 : 4;
+};
+
+struct session_counter_s {
+	u64 target_busy;
+	u64 host_busy;
+	u64 remote_port_wwpn;
+	u64 local_port_wwpn;
+	u32 device_alloc;
+	u32 device_destroy;
+	u32 scsi_state;
+	u32 remote_port_nportid;
+	u32 remote_port_state;
+	u32 remote_port_scsiid;
+	u32 remote_port_index;
+	u32 local_port_nportid;
+	u32 local_port_ini_state;
+	u32 local_port_state;
+	u32 port_id;
+	u32 host_id;
+	u32 target_id;
+	u32 abort_io;
+	u32 device_reset;
+	u32 target_reset;
+	u32 bus_reset;
+	u32 virtual_reset;
+	u32 abort_io_result;
+	u32 device_reset_result;
+	u32 target_reset_result;
+	u32 bus_reset_result;
+	u32 virtual_reset_result;
+};
+
+enum hifc_adm_msg_status_e {
+	HIFC_ADM_MSG_DONE = 0,
+	HIFC_ADM_MSG_INCOMPLETE,
+	HIFC_ADM_MSG_FAILED,
+	HIFC_ADM_MSG_BUTT
+};
+
+struct hifc_port_diag_op_s {
+	enum unf_port_diag_op_e op_code;
+	unsigned int (*pfn_hifc_operation)(void *v_hba, void *v_para);
+};
+
+enum hifc_adm_dfx_mod_e {
+	/* HBA WQE and SCQE statistic */
+	HIFC_TX_RX_STATE_COUNTER = 0,
+	/* TX and RX error counter, HBA counter */
+	HIFC_TX_RX_ERROR_STATE_COUNTER,
+	/* SCQ, AEQ, uP, common uP error counter */
+	HIFC_ERROR_STATE_COUNTER,
+	/* Link state counter */
+	HIFC_LINK_STATE_COUNTER,
+	/* Host counter */
+	HIFC_HOST_COUNTER,
+	/* session counter */
+	HIFC_SESSION_COUNTER,
+	/* DIF error counter */
+	HIFC_DIF_ERROR_COUNTER,
+	HIFC_ALL_DFX_TYPE = 50,
+};
+
+enum hifc_msg_format_e {
+	HIFC_DFX = 7,
+	HIFC_FEC_SET,
+	HIFC_BBSCN,
+	HIFC_PORTSTAT = 24,
+	HIFC_ALL_INFO_OP = 25,
+	HIFC_COMPAT_TEST = 0xFF
+};
+
+struct hifc_adm_msg_head_s {
+	unsigned int size;
+	unsigned short status;
+	unsigned short rsvd;
+};
+
+/* port state for fc_portstat */
+struct hifc_adm_port_state {
+	unsigned int port_id;
+	unsigned int rport_num;
+	unsigned int init;
+	unsigned int offloading;
+	unsigned int offloaded;
+	unsigned int destroying;
+};
+
+/* SQ & IoStat for fc_portstat */
+struct hifc_adm_sq {
+	unsigned int sq_id;
+	unsigned int rport_index;
+	unsigned int xid;
+	unsigned int cid;
+	unsigned int sid;
+	unsigned int did;
+	unsigned int vpid;
+	unsigned int cmd_local_queue_id;
+	unsigned int cmd_cqm_queue_id;
+	unsigned int sts_local_queue_id;
+	unsigned int sts_cqm_queue_id;
+	unsigned int cos;
+	unsigned int off_load;
+	unsigned int cmsn;
+	unsigned int pmsn;
+	unsigned int db_cnt;
+	unsigned int sqe_cnt;
+	unsigned int cqe_cnt;
+	unsigned int in_sq_cnt;
+	unsigned int in_chip_cnt;
+};
+
+/* hifcadm fc_portstat struct,that is used to show ListSqinfo from mml */
+struct hifc_adm_lsq_info_s {
+	struct hifc_adm_msg_head_s msg_head;
+	unsigned int cmd[HIFC_PORT_INFO_SIZE];
+	struct hifc_adm_port_state port_state;
+	struct hifc_adm_sq sq;
+	unsigned int mark;
+};
+
+struct unf_adm_dfx_host_counter_s {
+	unsigned int host_num;
+	unsigned int port_id;
+	unsigned int scsi_session_add_success;
+	unsigned int scsi_session_add_failed;
+	unsigned int scsi_session_del_success;
+	unsigned int scsi_session_del_failed;
+	unsigned int device_alloc;
+	unsigned int device_destroy;
+	unsigned int session_loss_tmo;
+	unsigned int alloc_scsi_id;
+	unsigned int reuse_scsi_id;
+	unsigned int resume_scsi_id;
+	unsigned int add_start_work_failed;
+	unsigned int add_closing_work_failed;
+	unsigned int abort_io;
+	unsigned int device_reset;
+	unsigned int target_reset;
+	unsigned int bus_reset;
+	unsigned int virtual_reset;
+	unsigned int abort_io_result;
+	unsigned int device_reset_result;
+	unsigned int target_reset_result;
+	unsigned int bus_reset_result;
+	unsigned int virtual_reset_result;
+	struct unf_adm_dfx_session_state session_state[1024];
+};
+
+/* hifcadm fc_port struct */
+struct hifc_adm_cmd_s {
+	struct hifc_adm_msg_head_s msg_head;
+	unsigned int cmd[HIFC_PORT_INFO_SIZE];
+};
+
+/* hifcadm fc_dfx struct */
+struct hifc_adm_dfx_cmd_s {
+	struct hifc_adm_msg_head_s msg_head;
+	unsigned int cmd[HIFC_PORT_INFO_SIZE];
+	union {
+		unsigned long long result[HIFC_DFX_BACK_INFO_SIZE64];
+		struct unf_adm_dfx_host_counter_s host_cnt;
+		struct session_counter_s session_cnt;
+		unsigned long long scsi_cmd_in;
+		unsigned long long scsi_cmd_done;
+		unsigned long long target_busy;
+		unsigned long long host_busy;
+	} unresult;
+};
+
+unsigned int hifc_port_diagnose(void *v_hba, enum unf_port_diag_op_e op_code,
+				void *v_para);
+unsigned int hifc_set_port_speed(void *v_hba, void *v_para_in);
+unsigned int hifc_set_port_bbscn(void *v_hba, void *v_para_in);
+unsigned int hifc_set_port_state(void *v_hba, void *v_para_in);
+unsigned int hifc_set_port_topo(void *v_hba, void *v_para_in);
+unsigned int hifc_set_port_fcp_conf(void *v_hba, void *v_para_in);
+unsigned int hifc_set_loop_role(void *v_hba, void *v_para_in);
+unsigned int hifc_set_max_support_speed(void *v_hba, void *v_para_in);
+unsigned int hifc_show_fc_port_detail(void *v_hba, void *v_para);
+int hifc_adm(void *uld_dev, unsigned int msg_formate, void *buffin,
+	     unsigned int in_size, void *buff_out, unsigned int *out_size);
+unsigned int hifc_fec_mode(void *v_hba, struct unf_hinicam_pkg *v_input);
+int hifc_set_dfx_mode(void *v_hba, struct unf_hinicam_pkg *v_input);
+int hifc_dfx_get_link_state(void *v_hba, void *v_buff_out);
+int hifc_dfx_get_error_state(void *v_hba, void *v_buff_out);
+int hifc_dfx_get_rxtx_state(void *v_hba, void *v_buff_out);
+unsigned int hifc_bbscn_mode(void *v_hba, struct unf_hinicam_pkg *v_input);
+unsigned int hifc_port_stat(void *v_hba, struct unf_hinicam_pkg *v_input);
+int hifc_dfx_dif_error(void *v_hba, void *v_buff_out, unsigned int v_clear);
+unsigned int hifc_set_hba_base_info(void *v_hba, void *v_para_in);
+
+#endif /* __HIFC_PORTMNG_H__ */
diff --git a/drivers/scsi/huawei/hifc/hifc_tool.c b/drivers/scsi/huawei/hifc/hifc_tool.c
new file mode 100644
index 000000000000..c8455e7609d3
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_tool.c
@@ -0,0 +1,785 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": [COMM]" fmt
+
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <net/sock.h>
+
+#include "hifc_knl_adp.h"
+#include "hifc_hw.h"
+#include "hifc_hwif.h"
+#include "hifc_api_cmd.h"
+#include "hifc_mgmt.h"
+#include "hifc_lld.h"
+#include "hifc_dbgtool_knl.h"
+#include "hifc_tool.h"
+#include "hifc_portmng.h"
+
+#define HIADM_DEV_PATH                 "/dev/hifc_dev"
+#define HIADM_DEV_CLASS                "hifc_class"
+#define HIADM_DEV_NAME                 "hifc_dev"
+
+#define MAJOR_DEV_NUM                  921
+#define	HIFC_CMDQ_BUF_MAX_SIZE         2048U
+#define MSG_MAX_IN_SIZE                (2048 * 1024)
+#define MSG_MAX_OUT_SIZE               (2048 * 1024)
+
+static dev_t g_dev_id = {0};
+static struct class *g_nictool_class;
+static struct cdev g_nictool_cdev;
+
+static int g_nictool_init_flag;
+static int g_nictool_ref_cnt;
+
+static void free_buff_in(void *hwdev, struct msg_module *nt_msg, void *buf_in)
+{
+	if (!buf_in)
+		return;
+
+	if (nt_msg->module == SEND_TO_UCODE)
+		hifc_free_cmd_buf(hwdev, buf_in);
+	else
+		kfree(buf_in);
+}
+
+static int alloc_buff_in(void *hwdev, struct msg_module *nt_msg,
+			 u32 in_size, void **buf_in)
+{
+	void *msg_buf;
+
+	if (!in_size)
+		return 0;
+
+	if (nt_msg->module == SEND_TO_UCODE) {
+		struct hifc_cmd_buf *cmd_buf;
+
+		if (in_size > HIFC_CMDQ_BUF_MAX_SIZE) {
+			pr_err("Cmdq in size(%u) more than 2KB\n", in_size);
+			return -ENOMEM;
+		}
+
+		cmd_buf = hifc_alloc_cmd_buf(hwdev);
+		if (!cmd_buf) {
+			pr_err("Alloc cmdq cmd buffer failed in %s\n",
+			       __func__);
+			return -ENOMEM;
+		}
+		msg_buf = cmd_buf->buf;
+		*buf_in = (void *)cmd_buf;
+		cmd_buf->size = (u16)in_size;
+	} else {
+		if (in_size > MSG_MAX_IN_SIZE) {
+			pr_err("In size(%u) more than 2M\n", in_size);
+			return -ENOMEM;
+		}
+		msg_buf = kzalloc(in_size, GFP_KERNEL);
+		*buf_in = msg_buf;
+	}
+	if (!(*buf_in)) {
+		pr_err("Alloc buffer in failed\n");
+		return -ENOMEM;
+	}
+
+	if (copy_from_user(msg_buf, nt_msg->in_buff, in_size)) {
+		pr_err("%s:%d: Copy from user failed\n",
+		       __func__, __LINE__);
+		free_buff_in(hwdev, nt_msg, *buf_in);
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static void free_buff_out(void *hwdev, struct msg_module *nt_msg,
+			  void *buf_out)
+{
+	if (!buf_out)
+		return;
+
+	if (nt_msg->module == SEND_TO_UCODE &&
+	    !nt_msg->ucode_cmd.ucode_db.ucode_imm)
+		hifc_free_cmd_buf(hwdev, buf_out);
+	else
+		kfree(buf_out);
+}
+
+static int alloc_buff_out(void *hwdev, struct msg_module *nt_msg,
+			  u32 out_size, void **buf_out)
+{
+	if (!out_size)
+		return 0;
+
+	if (nt_msg->module == SEND_TO_UCODE &&
+	    !nt_msg->ucode_cmd.ucode_db.ucode_imm) {
+		struct hifc_cmd_buf *cmd_buf;
+
+		if (out_size > HIFC_CMDQ_BUF_MAX_SIZE) {
+			pr_err("Cmdq out size(%u) more than 2KB\n", out_size);
+			return -ENOMEM;
+		}
+
+		cmd_buf = hifc_alloc_cmd_buf(hwdev);
+		*buf_out = (void *)cmd_buf;
+	} else {
+		if (out_size > MSG_MAX_OUT_SIZE) {
+			pr_err("out size(%u) more than 2M\n", out_size);
+			return -ENOMEM;
+		}
+		*buf_out = kzalloc(out_size, GFP_KERNEL);
+	}
+	if (!(*buf_out)) {
+		pr_err("Alloc buffer out failed\n");
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int copy_buf_out_to_user(struct msg_module *nt_msg,
+				u32 out_size, void *buf_out)
+{
+	int ret = 0;
+	void *msg_out;
+
+	if (nt_msg->module == SEND_TO_UCODE &&
+	    !nt_msg->ucode_cmd.ucode_db.ucode_imm)
+		msg_out = ((struct hifc_cmd_buf *)buf_out)->buf;
+	else
+		msg_out = buf_out;
+
+	if (copy_to_user(nt_msg->out_buf, msg_out, out_size))
+		ret = -EFAULT;
+
+	return ret;
+}
+
+static int __get_card_usr_api_chain_mem(int card_idx)
+{
+#define DBGTOOL_PAGE_ORDER 10
+
+	unsigned char *tmp;
+	int i;
+
+	mutex_lock(&g_addr_lock);
+	card_id = card_idx;
+	if (!g_card_vir_addr[card_idx]) {
+		g_card_vir_addr[card_idx] =
+			(void *)__get_free_pages(GFP_KERNEL,
+						 DBGTOOL_PAGE_ORDER);
+		if (!g_card_vir_addr[card_idx]) {
+			pr_err("Alloc api chain memory fail for card %d.\n",
+			       card_idx);
+			mutex_unlock(&g_addr_lock);
+			return -EFAULT;
+		}
+
+		memset(g_card_vir_addr[card_idx], 0,
+		       PAGE_SIZE * (1 << DBGTOOL_PAGE_ORDER));
+
+		g_card_phy_addr[card_idx] =
+			virt_to_phys(g_card_vir_addr[card_idx]);
+		if (!g_card_phy_addr[card_idx]) {
+			pr_err("phy addr for card %d is 0.\n", card_idx);
+			free_pages((unsigned long)g_card_vir_addr[card_idx],
+				   DBGTOOL_PAGE_ORDER);
+			g_card_vir_addr[card_idx] = NULL;
+			mutex_unlock(&g_addr_lock);
+			return -EFAULT;
+		}
+
+		tmp = g_card_vir_addr[card_idx];
+		for (i = 0; i < (1 << DBGTOOL_PAGE_ORDER); i++) {
+			SetPageReserved(virt_to_page(tmp));
+			tmp += PAGE_SIZE;
+		}
+	}
+	mutex_unlock(&g_addr_lock);
+
+	return 0;
+}
+
+static int get_card_func_info(char *dev_name, struct msg_module *nt_msg)
+{
+	struct hifc_card_func_info card_func_info = {0};
+	int id, err;
+
+	if (nt_msg->len_info.out_buff_len != sizeof(card_func_info) ||
+	    nt_msg->len_info.in_buff_len != sizeof(card_func_info)) {
+		pr_err("Invalid out_buf_size %d or Invalid in_buf_size %d, expect %lu\n",
+		       nt_msg->len_info.out_buff_len,
+		       nt_msg->len_info.in_buff_len,
+		       sizeof(card_func_info));
+		return -EINVAL;
+	}
+
+	err = memcmp(dev_name, HIFC_CHIP_NAME, strlen(HIFC_CHIP_NAME));
+	if (err) {
+		pr_err("Invalid chip name %s\n", dev_name);
+		return err;
+	}
+
+	err = sscanf(dev_name, HIFC_CHIP_NAME "%d", &id);
+	if (err < 0) {
+		pr_err("Failed to get hifc id\n");
+		return err;
+	}
+
+	if (id >= MAX_CARD_NUM) {
+		pr_err("chip id %d exceed limit[0-%d]\n", id, MAX_CARD_NUM - 1);
+		return -EINVAL;
+	}
+
+	hifc_get_card_func_info_by_card_name(dev_name, &card_func_info);
+
+	if (!card_func_info.num_pf) {
+		pr_err("None function found for %s\n", dev_name);
+		return -EFAULT;
+	}
+
+	err = __get_card_usr_api_chain_mem(id);
+	if (err) {
+		pr_err("Faile to get api chain memory for userspace %s\n",
+		       dev_name);
+		return -EFAULT;
+	}
+
+	card_func_info.usr_api_phy_addr = g_card_phy_addr[id];
+
+	/* Copy the dev_info to user mode */
+	if (copy_to_user(nt_msg->out_buf, &card_func_info,
+			 sizeof(card_func_info))) {
+		pr_err("Copy dev_info to user fail\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static bool is_mgmt_cmd_support(void *hwdev, unsigned int mod, u32 up_api_type)
+{
+	if (FUNC_SUPPORT_MGMT(hwdev)) {
+		if (up_api_type == API_CLP) {
+			if (!hifc_is_hwdev_mod_inited
+					(hwdev, HIFC_HWDEV_CLP_INITED)) {
+				pr_err("CLP have not initialized\n");
+				return false;
+			}
+		} else if (!hifc_is_hwdev_mod_inited
+					(hwdev, HIFC_HWDEV_MGMT_INITED)) {
+			pr_err("MGMT have not initialized\n");
+			return false;
+		}
+	} else if (!hifc_is_hwdev_mod_inited
+					(hwdev, HIFC_HWDEV_MBOX_INITED)) {
+		pr_err("MBOX have not initialized\n");
+		return false;
+	}
+
+	return true;
+}
+
+static bool is_hwdev_cmd_support(unsigned int mod,
+				 char *ifname, u32 up_api_type)
+{
+	void *hwdev;
+
+	hwdev = hifc_get_hwdev_by_ifname(ifname);
+	if (!hwdev) {
+		pr_err("Can not get the device %s correctly\n", ifname);
+		return false;
+	}
+
+	switch (mod) {
+	case SEND_TO_UP:
+	case SEND_TO_SM:
+		return is_mgmt_cmd_support(hwdev, mod, up_api_type);
+	case SEND_TO_UCODE:
+		if (!hifc_is_hwdev_mod_inited(hwdev,
+					      HIFC_HWDEV_CMDQ_INITED)) {
+			pr_err("CMDQ have not initialized\n");
+			return false;
+		}
+		break;
+
+	default:
+		return false;
+	}
+
+	return true;
+}
+
+static bool nictool_k_is_cmd_support(unsigned int mod,
+				     char *ifname, u32 up_api_type)
+{
+	enum hifc_init_state init_state =
+			hifc_get_init_state_by_ifname(ifname);
+
+	if (init_state == HIFC_INIT_STATE_NONE)
+		return false;
+
+	if (mod == HIFCADM_FC_DRIVER) {
+		if (init_state < HIFC_INIT_STATE_ALL_INITED) {
+			pr_err("HIFC driver have not initialized\n");
+			return false;
+		}
+
+		return true;
+	} else if (mod >= SEND_TO_UCODE && mod <= SEND_TO_SM) {
+		return is_hwdev_cmd_support(mod, ifname, up_api_type);
+	} else if (mod == SEND_TO_HW_DRIVER) {
+		if (init_state < HIFC_INIT_STATE_HWDEV_INITED) {
+			pr_err("Hwdev have not initialized\n");
+			return false;
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+static int alloc_tmp_buf(void *hwdev, struct msg_module *nt_msg, u32 in_size,
+			 void **buf_in, u32 out_size, void **buf_out)
+{
+	int ret;
+
+	ret = alloc_buff_in(hwdev, nt_msg, in_size, buf_in);
+	if (ret) {
+		pr_err("Alloc tool cmd buff in failed\n");
+		return ret;
+	}
+
+	ret = alloc_buff_out(hwdev, nt_msg, out_size, buf_out);
+	if (ret) {
+		pr_err("Alloc tool cmd buff out failed\n");
+		goto out_free_buf_in;
+	}
+
+	return 0;
+
+out_free_buf_in:
+	free_buff_in(hwdev, nt_msg, *buf_in);
+
+	return ret;
+}
+
+static void free_tmp_buf(void *hwdev, struct msg_module *nt_msg,
+			 void *buf_in, void *buf_out)
+{
+	free_buff_out(hwdev, nt_msg, buf_out);
+	free_buff_in(hwdev, nt_msg, buf_in);
+}
+
+static int get_all_chip_id_cmd(struct msg_module *nt_msg)
+{
+	struct nic_card_id card_id;
+
+	hifc_get_all_chip_id((void *)&card_id);
+
+	if (copy_to_user(nt_msg->out_buf, &card_id, sizeof(card_id))) {
+		pr_err("Copy chip id to user failed\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static bool __is_pcidev_match_dev_name(const char *ifname,
+				       struct hifc_pcidev *dev)
+{
+	if (!strncmp(dev->uld_dev_name, ifname, IFNAMSIZ))
+		return true;
+
+	if ((dev->uld_dev) && (strlen(ifname) == 0))
+		return true;
+
+	return false;
+}
+
+struct hifc_pcidev *hifc_get_pcidev_by_dev_name(char *ifname)
+{
+	struct card_node *chip_node;
+	struct hifc_pcidev *dev;
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			if (__is_pcidev_match_dev_name(ifname, dev)) {
+				lld_dev_put();
+				return dev;
+			}
+		}
+	}
+	lld_dev_put();
+
+	return NULL;
+}
+
+static void *get_support_uld_dev(struct msg_module *nt_msg)
+{
+	struct hifc_pcidev *dev;
+
+	dev = hifc_get_pcidev_by_dev_name(nt_msg->device_name);
+
+	if (dev)
+		return dev->uld_dev;
+
+	return NULL;
+}
+
+static int get_service_drv_version(void *hwdev, struct msg_module *nt_msg,
+				   void *buf_in, u32 in_size, void *buf_out,
+				   u32 *out_size)
+{
+	enum hifc_service_type type;
+	int ret = 0;
+
+	type = nt_msg->module - SEND_TO_SM;
+	if (type != SERVICE_T_FC) {
+		pr_err("err cmd type: %d\n", type);
+		return ret;
+	}
+	*out_size = sizeof(struct drv_version_info);
+
+	ret = hifc_adm(NULL, nt_msg->msg_formate, buf_in, in_size,
+		       buf_out, out_size);
+	if (ret)
+		return ret;
+
+	if (copy_to_user(nt_msg->out_buf, buf_out, *out_size))
+		return -EFAULT;
+
+	return ret;
+}
+
+int send_to_service_driver(struct msg_module *nt_msg, void *buf_in,
+			   u32 in_size, void *buf_out, u32 *out_size)
+{
+	enum hifc_service_type type;
+	void *uld_dev;
+	int ret = -EINVAL;
+
+	type = nt_msg->module - SEND_TO_SM;
+
+	if (type == SERVICE_T_FC) {
+		uld_dev = get_support_uld_dev(nt_msg);
+		if (!uld_dev)
+			return -EINVAL;
+		ret = hifc_adm(uld_dev,
+			       nt_msg->msg_formate,
+			       buf_in, in_size, buf_out,
+			       out_size);
+	} else {
+		pr_err("Ioctl input module id: %d is incorrectly\n",
+		       nt_msg->module);
+	}
+
+	return ret;
+}
+
+static int nictool_exec_cmd(void *hwdev, struct msg_module *nt_msg,
+			    void *buf_in, u32 in_size, void *buf_out,
+			    u32 *out_size)
+{
+	int ret;
+
+	switch (nt_msg->module) {
+	case SEND_TO_HW_DRIVER:
+		ret = send_to_hw_driver(hwdev, nt_msg, buf_in,
+					in_size, buf_out, out_size);
+		break;
+	case SEND_TO_UP:
+		ret = send_to_up(hwdev, nt_msg, buf_in,
+				 in_size, buf_out, out_size);
+		break;
+	case SEND_TO_UCODE:
+		ret = send_to_ucode(hwdev, nt_msg, buf_in,
+				    in_size, buf_out, out_size);
+		break;
+	case SEND_TO_SM:
+		ret = send_to_sm(hwdev, nt_msg, buf_in,
+				 in_size, buf_out, out_size);
+		break;
+	default:
+		ret = send_to_service_driver(nt_msg, buf_in, in_size, buf_out,
+					     out_size);
+		break;
+	}
+
+	return ret;
+}
+
+static bool hifc_is_special_handling_cmd(struct msg_module *nt_msg, int *ret)
+{
+	bool handled = true;
+
+	if (nt_msg->module != SEND_TO_HW_DRIVER)
+		return false;
+
+	switch (nt_msg->msg_formate) {
+	case GET_CHIP_ID:
+		*ret = get_all_chip_id_cmd(nt_msg);
+		break;
+	case GET_CHIP_INFO:
+		*ret = get_card_func_info(nt_msg->device_name, nt_msg);
+		break;
+	default:
+		handled = false;
+		break;
+	}
+
+	return handled;
+}
+
+static int do_nictool_ioctl_cmd(void *hwdev, struct msg_module *nt_msg)
+{
+	void *buf_out = NULL;
+	void *buf_in = NULL;
+	u32 out_size_expect;
+	u32 out_size, in_size;
+	int ret = 0;
+
+	out_size_expect = nt_msg->len_info.out_buff_len;
+	in_size = nt_msg->len_info.in_buff_len;
+
+	ret = alloc_tmp_buf(hwdev, nt_msg, in_size,
+			    &buf_in, out_size_expect, &buf_out);
+	if (ret) {
+		pr_err("Alloc tmp buff failed\n");
+		return ret;
+	}
+
+	out_size = out_size_expect;
+
+	if ((nt_msg->msg_formate == GET_DRV_VERSION) &&
+	    (nt_msg->module == HIFCADM_FC_DRIVER)) {
+		ret = get_service_drv_version(hwdev, nt_msg, buf_in,
+					      in_size, buf_out, &out_size);
+		goto out_free_buf;
+	}
+
+	ret = nictool_exec_cmd(hwdev, nt_msg, buf_in,
+			       in_size, buf_out, &out_size);
+	if (ret) {
+		pr_err("nictool_exec_cmd failed, mod:%d msg_formate:%d\n",
+		       nt_msg->module, nt_msg->msg_formate);
+		goto out_free_buf;
+	}
+
+	if (out_size_expect && buf_out) {
+		ret = copy_buf_out_to_user(nt_msg, out_size_expect, buf_out);
+		if (ret)
+			pr_err("Copy information to user failed\n");
+	}
+out_free_buf:
+	free_tmp_buf(hwdev, nt_msg, buf_in, buf_out);
+
+	return ret;
+}
+
+static long nictool_k_unlocked_ioctl(struct file *pfile,
+				     unsigned int cmd, unsigned long arg)
+{
+	void *hwdev;
+	struct msg_module nt_msg;
+	int ret = 0;
+
+	memset(&nt_msg, 0, sizeof(nt_msg));
+
+	if (copy_from_user(&nt_msg, (void *)arg, sizeof(nt_msg))) {
+		pr_err("Copy information from user failed\n");
+		return -EFAULT;
+	}
+
+	/* end with '\0' */
+	nt_msg.device_name[IFNAMSIZ - 1] = '\0';
+
+	hifc_tool_cnt_inc();
+	if (hifc_is_special_handling_cmd(&nt_msg, &ret))
+		goto out_free_lock;
+
+	if (nt_msg.module == HIFCADM_FC_DRIVER &&
+	    nt_msg.msg_formate == GET_CHIP_ID)
+		get_fc_devname(nt_msg.device_name);
+
+	if (!nictool_k_is_cmd_support(nt_msg.module, nt_msg.device_name,
+				      nt_msg.up_cmd.up_db.up_api_type)) {
+		ret = -EFAULT;
+		goto out_free_lock;
+	}
+
+	/* get the netdevice */
+	hwdev = hifc_get_hwdev_by_ifname(nt_msg.device_name);
+	if (!hwdev) {
+		pr_err("Can not get the device %s correctly\n",
+		       nt_msg.device_name);
+		ret = -ENODEV;
+		goto out_free_lock;
+	}
+
+	ret = do_nictool_ioctl_cmd(hwdev, &nt_msg);
+
+out_free_lock:
+	hifc_tool_cnt_dec();
+
+	return (long)ret;
+}
+
+static int nictool_k_open(struct inode *pnode, struct file *pfile)
+{
+	return 0;
+}
+
+static ssize_t nictool_k_read(struct file *pfile, char __user *ubuf,
+			      size_t size, loff_t *ppos)
+{
+	return 0;
+}
+
+static ssize_t nictool_k_write(struct file *pfile, const char __user *ubuf,
+			       size_t size, loff_t *ppos)
+{
+	return 0;
+}
+
+static const struct file_operations fifo_operations = {
+	.owner = THIS_MODULE,
+	.open = nictool_k_open,
+	.read = nictool_k_read,
+	.write = nictool_k_write,
+	.unlocked_ioctl = nictool_k_unlocked_ioctl,
+	.mmap = hifc_mem_mmap,
+};
+
+int if_nictool_exist(void)
+{
+	struct file *fp = NULL;
+	int exist = 0;
+
+	fp = filp_open(HIADM_DEV_PATH, O_RDONLY, 0);
+	if (IS_ERR(fp)) {
+		exist = 0;
+	} else {
+		(void)filp_close(fp, NULL);
+		exist = 1;
+	}
+
+	return exist;
+}
+
+/**
+ * nictool_k_init - initialize the hw interface
+ */
+int nictool_k_init(void)
+{
+	int ret;
+	struct device *pdevice;
+
+	if (g_nictool_init_flag) {
+		g_nictool_ref_cnt++;
+		/* already initialized */
+		return 0;
+	}
+
+	if (if_nictool_exist()) {
+		pr_err("Nictool device exists\n");
+		return 0;
+	}
+
+	/* Device ID: primary device ID (12bit) |
+	 * secondary device number (20bit)
+	 */
+	g_dev_id = MKDEV(MAJOR_DEV_NUM, 0);
+
+	/* Static device registration number */
+	ret = register_chrdev_region(g_dev_id, 1, HIADM_DEV_NAME);
+	if (ret < 0) {
+		ret = alloc_chrdev_region(&g_dev_id, 0, 1, HIADM_DEV_NAME);
+		if (ret < 0) {
+			pr_err("Register nictool_dev fail(0x%x)\n", ret);
+			return ret;
+		}
+	}
+
+	/* Create equipment */
+	/*lint -save -e160*/
+	g_nictool_class = class_create(THIS_MODULE, HIADM_DEV_CLASS);
+	/*lint -restore*/
+	if (IS_ERR(g_nictool_class)) {
+		pr_err("Create nictool_class fail\n");
+		ret = -EFAULT;
+		goto class_create_err;
+	}
+
+	/* Initializing the character device */
+	cdev_init(&g_nictool_cdev, &fifo_operations);
+
+	/* Add devices to the operating system */
+	ret = cdev_add(&g_nictool_cdev, g_dev_id, 1);
+	if (ret < 0) {
+		pr_err("Add nictool_dev to operating system fail(0x%x)\n", ret);
+		goto cdev_add_err;
+	}
+
+	/* Export device information to user space
+	 * (/sys/class/class name/device name)
+	 */
+	pdevice = device_create(g_nictool_class, NULL,
+				g_dev_id, NULL, HIADM_DEV_NAME);
+	if (IS_ERR(pdevice)) {
+		pr_err("Export nictool device information to user space fail\n");
+		ret = -EFAULT;
+		goto device_create_err;
+	}
+
+	g_nictool_init_flag = 1;
+	g_nictool_ref_cnt = 1;
+
+	pr_info("Register nictool_dev to system succeed\n");
+
+	return 0;
+
+device_create_err:
+	cdev_del(&g_nictool_cdev);
+
+cdev_add_err:
+	class_destroy(g_nictool_class);
+
+class_create_err:
+	g_nictool_class = NULL;
+	unregister_chrdev_region(g_dev_id, 1);
+
+	return ret;
+}
+
+void nictool_k_uninit(void)
+{
+	if (g_nictool_init_flag) {
+		if ((--g_nictool_ref_cnt))
+			return;
+	}
+
+	g_nictool_init_flag = 0;
+
+	if (!g_nictool_class || IS_ERR(g_nictool_class))
+		return;
+
+	cdev_del(&g_nictool_cdev);
+	device_destroy(g_nictool_class, g_dev_id);
+	class_destroy(g_nictool_class);
+	g_nictool_class = NULL;
+
+	unregister_chrdev_region(g_dev_id, 1);
+
+	pr_info("Unregister nictool_dev succeed\n");
+}
diff --git a/drivers/scsi/huawei/hifc/hifc_tool.h b/drivers/scsi/huawei/hifc/hifc_tool.h
new file mode 100644
index 000000000000..3aad6a4834a7
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_tool.h
@@ -0,0 +1,332 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+
+#ifndef HIFC_NICTOOL_H_
+#define HIFC_NICTOOL_H_
+#ifndef IFNAMSIZ
+#define IFNAMSIZ    16
+#endif
+/* completion timeout interval, unit is jiffies*/
+#define UP_COMP_TIME_OUT_VAL		10000U
+
+struct sm_in_st {
+	int node;
+	int id;
+	int instance;
+};
+
+struct sm_out_st {
+	u64 val1;
+	u64 val2;
+};
+
+struct up_log_msg_st {
+	u32 rd_len;
+	u32 addr;
+};
+
+struct csr_write_st {
+	u32 rd_len;
+	u32 addr;
+	u8 *data;
+};
+
+struct ipsurx_stats_info {
+	u32 addr;
+	u32 rd_cnt;
+};
+
+struct ucode_cmd_st {
+	union {
+		struct {
+			u32 comm_mod_type:8;
+			u32 ucode_cmd_type:4;
+			u32 cmdq_ack_type:3;
+			u32 ucode_imm:1;
+			u32 len:16;
+		} ucode_db;
+		u32 value;
+	};
+};
+
+struct up_cmd_st {
+	union {
+		struct {
+			u32 comm_mod_type:8;
+			u32 chipif_cmd:8;
+			u32 up_api_type:16;
+		} up_db;
+		u32 value;
+	};
+};
+
+struct _dcb_data {
+	u8 wr_flag;
+	u8 dcb_en;
+	u8 err;
+	u8 rsvd;
+};
+
+union _dcb_ctl {
+	struct _dcb_data dcb_data;
+	u32 data;
+};
+
+struct _pfc_data {
+	u8 pfc_en;
+	u8 pfc_priority;
+	u8 num_of_tc;
+	u8 err;
+};
+
+union _pfc {
+	 struct _pfc_data pfc_data;
+	 u32 data;
+};
+
+union _flag_com {
+	struct _ets_flag {
+		u8 flag_ets_enable:1;
+		u8 flag_ets_percent:1;
+		u8 flag_ets_cos:1;
+		u8 flag_ets_strict:1;
+		u8 rev:4;
+	} ets_flag;
+	u8 data;
+};
+
+struct _ets {
+	u8 ets_en;
+	u8 err;
+	u8 strict;
+	u8 tc[8];
+	u8 ets_percent[8];
+	union _flag_com flag_com;
+};
+
+#define API_CMD 0x1
+#define API_CHAIN 0x2
+#define API_CLP 0x3
+
+struct msg_module {
+	char device_name[IFNAMSIZ];
+	unsigned int module;
+	union {
+		u32 msg_formate;
+		struct ucode_cmd_st ucode_cmd;
+		struct up_cmd_st up_cmd;
+	};
+
+	struct {
+		u32 in_buff_len;
+		u32 out_buff_len;
+	} len_info;
+	u32 res;
+	void *in_buff;
+	void *out_buf;
+};
+
+#define MAX_VER_INFO_LEN 128
+struct drv_version_info {
+	char ver[MAX_VER_INFO_LEN];
+};
+
+struct chip_fault_stats {
+	int offset;
+	u8 chip_faults[MAX_DRV_BUF_SIZE];
+};
+
+struct hifc_wqe_info {
+	int q_id;
+	void *slq_handle;
+	unsigned int wqe_id;
+};
+
+struct hifc_tx_hw_page {
+	u64     phy_addr;
+	u64	*map_addr;
+};
+
+struct hifc_dbg_sq_info {
+	u16	q_id;
+	u16	pi;
+	u16	ci;/* sw_ci */
+	u16	fi;/* hw_ci */
+
+	u32	q_depth;
+	u16	pi_reverse;
+	u16	weqbb_size;
+
+	u8	priority;
+	u16	*ci_addr;
+	u64	cla_addr;
+
+	void	*slq_handle;
+
+	struct hifc_tx_hw_page	direct_wqe;
+	struct hifc_tx_hw_page	db_addr;
+	u32	pg_idx;
+
+	u32	glb_sq_id;
+};
+
+struct hifc_dbg_rq_info {
+	u16	q_id;
+	u16	glb_rq_id;
+	u16	hw_pi;
+	u16	ci;	/* sw_ci */
+	u16	sw_pi;
+	u16	wqebb_size;
+	u16	q_depth;
+	u16	buf_len;
+
+	void	*slq_handle;
+	u64	ci_wqe_page_addr;
+	u64	ci_cla_tbl_addr;
+
+	u16	msix_idx;
+	u32	msix_vector;
+};
+
+#ifndef BUSINFO_LEN
+#define BUSINFO_LEN (32)
+#endif
+struct pf_info {
+	char name[IFNAMSIZ];
+	char bus_info[BUSINFO_LEN];
+	u32 pf_type;
+};
+
+#ifndef MAX_SIZE
+#define MAX_SIZE (16)
+#endif
+struct card_info {
+	struct pf_info pf[MAX_SIZE];
+	u32 pf_num;
+};
+
+struct nic_card_id {
+	u32 id[MAX_SIZE];
+	u32 num;
+};
+
+struct func_pdev_info {
+	u64 bar0_phy_addr;
+	u64 bar0_size;
+	u64 rsvd1[4];
+};
+
+struct hifc_card_func_info {
+	u32 num_pf;
+	u32 rsvd0;
+	u64 usr_api_phy_addr;
+	struct func_pdev_info pdev_info[MAX_SIZE];
+};
+
+#ifndef NIC_UP_CMD_UPDATE_FW
+#define NIC_UP_CMD_UPDATE_FW (114)
+#endif
+
+#ifndef MAX_CARD_NUM
+#define MAX_CARD_NUM (64)
+#endif
+extern void *g_card_node_array[MAX_CARD_NUM];
+extern void *g_card_vir_addr[MAX_CARD_NUM];
+extern u64 g_card_phy_addr[MAX_CARD_NUM];
+extern struct mutex	g_addr_lock;
+extern int card_id;
+
+struct hifc_nic_loop_mode {
+	u32 loop_mode;
+	u32 loop_ctrl;
+};
+
+struct hifc_nic_poll_weight {
+	int poll_weight;
+};
+
+enum hifc_homologues_state {
+	HIFC_HOMOLOGUES_OFF = 0,
+	HIFC_HOMOLOGUES_ON  = 1,
+};
+
+struct hifc_homologues {
+	enum hifc_homologues_state homo_state;
+};
+
+struct hifc_pf_info {
+	u32 isvalid;
+	u32 pf_id;
+};
+
+enum module_name {
+	SEND_TO_NIC_DRIVER = 1,
+	SEND_TO_HW_DRIVER,
+	SEND_TO_UCODE,
+	SEND_TO_UP,
+	SEND_TO_SM,
+	HIFCADM_FC_DRIVER = 10,
+};
+
+enum driver_cmd_type {
+	FUNC_TYPE = 12,
+	GET_FUNC_IDX,
+	GET_DRV_VERSION = 16,
+	GET_HW_STATS = 18,
+	CLEAR_HW_STATS,
+	GET_CHIP_FAULT_STATS = 21,
+	GET_CHIP_ID = 25,
+	GET_SINGLE_CARD_INFO,
+	GET_FIRMWARE_ACTIVE_STATUS,
+	GET_DEVICE_ID = 29,
+	IS_DRV_IN_VM = 44,
+	GET_CHIP_INFO = 48,
+	GET_PF_ID = 52,
+	PORT_ID = 0x42
+};
+
+enum api_chain_cmd_type {
+	API_CSR_READ,
+	API_CSR_WRITE
+};
+
+enum sm_cmd_type {
+	SM_CTR_RD32 = 1,
+	SM_CTR_RD64_PAIR,
+	SM_CTR_RD64
+};
+
+int nictool_k_init(void);
+void nictool_k_uninit(void);
+
+int send_to_hw_driver(void *hwdev, struct msg_module *nt_msg,
+		      void *buf_in, u32 in_size, void *buf_out, u32 *out_size);
+
+int send_to_sm(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+	       u32 in_size, void *buf_out, u32 *out_size);
+
+int send_to_up(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+	       u32 in_size, void *buf_out, u32 *out_size);
+
+int send_to_ucode(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+		  u32 in_size, void *buf_out, u32 *out_size);
+
+void get_fc_devname(char *devname);
+void *hifc_get_hwdev_by_ifname(char *ifname);
+enum hifc_init_state hifc_get_init_state_by_ifname(char *ifname);
+void hifc_get_all_chip_id(void *id_info);
+void hifc_tool_cnt_dec(void);
+void hifc_tool_cnt_inc(void);
+int hifc_get_device_id(void *hwdev, u16 *dev_id);
+int hifc_get_pf_id(void *hwdev, u32 port_id, u32 *pf_id, u32 *isvalid);
+bool hifc_is_valid_bar_addr(u64 offset);
+void hifc_get_card_info(void *hwdev, void *bufin);
+struct hifc_pcidev *hifc_get_pcidev_by_dev_name(char *ifname);
+void hifc_get_card_func_info_by_card_name(
+	const char *chip_name, struct hifc_card_func_info *card_func);
+
+#endif
+
diff --git a/drivers/scsi/huawei/hifc/hifc_tool_hw.c b/drivers/scsi/huawei/hifc/hifc_tool_hw.c
new file mode 100644
index 000000000000..f5e6c6c887e1
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/hifc_tool_hw.c
@@ -0,0 +1,1010 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": [COMM]" fmt
+
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <net/sock.h>
+
+#include "hifc_knl_adp.h"
+#include "hifc_hw.h"
+#include "hifc_hwdev.h"
+#include "hifc_hwif.h"
+#include "hifc_api_cmd.h"
+#include "hifc_mgmt.h"
+#include "hifc_cfg.h"
+#include "hifc_lld.h"
+#include "hifc_sml.h"
+#include "hifc_tool.h"
+
+static atomic_t tool_used_cnt;
+
+typedef int (*hw_driv_module)(void *hwdev, void *buf_in, u32 in_size,
+			      void *buf_out, u32 *out_size);
+
+struct hw_drv_module_handle {
+	enum driver_cmd_type	driv_cmd_name;
+	hw_driv_module		driv_func;
+};
+
+u8 hifc_physical_port_id(void *hwdev)
+{
+	struct hifc_hwdev *dev = hwdev;
+
+	if (!dev) {
+		pr_err("Hwdev pointer is NULL for getting physical port id\n");
+		return 0;
+	}
+	return dev->cfg_mgmt->svc_cap.port_id;
+}
+
+int hifc_clp_to_mgmt(void *hwdev, enum hifc_mod_type mod, u8 cmd,
+		     void *buf_in, u16 in_size,
+		     void *buf_out, u16 *out_size)
+{
+	struct hifc_hwdev *dev = hwdev;
+	int err;
+
+	if (!dev)
+		return -EINVAL;
+
+	if (!dev->chip_present_flag)
+		return -EPERM;
+
+	if (!hifc_is_hwdev_mod_inited(hwdev, HIFC_HWDEV_CLP_INITED))
+		return -EPERM;
+
+	err = hifc_pf_clp_to_mgmt(dev, mod, cmd, buf_in,
+				  in_size, buf_out, out_size);
+
+	return err;
+}
+
+static int get_func_type(void *hwdev, void *buf_in, u32 in_size,
+			 void *buf_out, u32 *out_size)
+{
+	u16 func_typ;
+
+	func_typ = hifc_func_type(hwdev);
+	if (!buf_out || *out_size != sizeof(u16)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(u16));
+		return -EFAULT;
+	}
+	*(u16 *)buf_out = func_typ;
+	return 0;
+}
+
+static int get_func_id(void *hwdev, void *buf_in, u32 in_size,
+		       void *buf_out, u32 *out_size)
+{
+	u16 func_id;
+
+	if (!buf_out || *out_size != sizeof(u16)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(u16));
+		return -EFAULT;
+	}
+
+	func_id = hifc_global_func_id_hw(hwdev);
+	*(u16 *)buf_out = func_id;
+	*out_size = sizeof(u16);
+	return 0;
+}
+
+static int get_drv_version(void *hwdev, void *buf_in, u32 in_size,
+			   void *buf_out, u32 *out_size)
+{
+	struct drv_version_info *ver_info;
+	char ver_str[MAX_VER_INFO_LEN] = {0};
+
+	if (*out_size != sizeof(*ver_info)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(*ver_info));
+		return -EFAULT;
+	}
+	snprintf(ver_str, sizeof(ver_str), "%s  %s",
+		 HIFC_DRV_VERSION, __TIME_STR__);
+	ver_info = (struct drv_version_info *)buf_out;
+	memcpy(ver_info->ver, ver_str, sizeof(ver_str));
+
+	return 0;
+}
+
+static int clear_hw_stats(void *hwdev, void *buf_in, u32 in_size,
+			  void *buf_out, u32 *out_size)
+{
+	return 0;
+}
+
+static int get_hw_stats(void *hwdev, void *buf_in, u32 in_size,
+			void *buf_out, u32 *out_size)
+{
+	return 0;
+}
+
+static void hifc_get_chip_fault_stats(const void *hwdev,
+				      u8 *chip_fault_stats, int offset)
+{
+	int copy_len = offset + MAX_DRV_BUF_SIZE - HIFC_CHIP_FAULT_SIZE;
+
+	if (offset < 0 || offset > HIFC_CHIP_FAULT_SIZE) {
+		pr_err("Invalid chip offset value: %d\n",
+		       offset);
+		return;
+	}
+
+	if (offset + MAX_DRV_BUF_SIZE <= HIFC_CHIP_FAULT_SIZE)
+		memcpy(chip_fault_stats,
+		       ((struct hifc_hwdev *)hwdev)->chip_fault_stats + offset,
+		       MAX_DRV_BUF_SIZE);
+	else
+		memcpy(chip_fault_stats,
+		       ((struct hifc_hwdev *)hwdev)->chip_fault_stats + offset,
+		       copy_len);
+}
+
+static int get_chip_faults_stats(void *hwdev, void *buf_in, u32 in_size,
+				 void *buf_out, u32 *out_size)
+{
+	int offset = 0;
+	struct chip_fault_stats *fault_info;
+
+	if (!buf_in || !buf_out || *out_size != sizeof(*fault_info) ||
+	    in_size != sizeof(*fault_info)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(*fault_info));
+		return -EFAULT;
+	}
+	fault_info = (struct chip_fault_stats *)buf_in;
+	offset = fault_info->offset;
+	fault_info = (struct chip_fault_stats *)buf_out;
+	hifc_get_chip_fault_stats(hwdev, fault_info->chip_faults, offset);
+
+	return 0;
+}
+
+static int get_chip_id_test(void *hwdev, void *buf_in, u32 in_size,
+			    void *buf_out, u32 *out_size)
+{
+	return 0;
+}
+
+static int get_single_card_info(void *hwdev, void *buf_in, u32 in_size,
+				void *buf_out, u32 *out_size)
+{
+	if (!buf_in || !buf_out || in_size != sizeof(struct card_info) ||
+	    *out_size != sizeof(struct card_info)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(struct card_info));
+		return -EFAULT;
+	}
+
+	hifc_get_card_info(hwdev, buf_out);
+	*out_size = in_size;
+	return 0;
+}
+
+#define GET_FIRMWARE_ACTIVE_STATUS_TIMEOUT	30
+static int get_firmware_active_status(void *hwdev, void *buf_in, u32 in_size,
+				      void *buf_out, u32 *out_size)
+{
+	u32 loop_cnt = 0;
+
+	while (loop_cnt < GET_FIRMWARE_ACTIVE_STATUS_TIMEOUT) {
+		if (!hifc_get_mgmt_channel_status(hwdev))
+			return 0;
+
+		msleep(1000);
+		loop_cnt++;
+	}
+	if (loop_cnt == GET_FIRMWARE_ACTIVE_STATUS_TIMEOUT)
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static int get_device_id(void *hwdev, void *buf_in, u32 in_size,
+			 void *buf_out, u32 *out_size)
+{
+	u16 dev_id;
+	int err;
+
+	if (!buf_out || !buf_in || *out_size != sizeof(u16) ||
+	    in_size != sizeof(u16)) {
+		pr_err("Unexpect out buf size from user :%d, expect: %lu\n",
+		       *out_size, sizeof(u16));
+		return -EFAULT;
+	}
+
+	err = hifc_get_device_id(hwdev, &dev_id);
+	if (err)
+		return err;
+
+	*((u32 *)buf_out) = dev_id;
+	*out_size = in_size;
+
+	return 0;
+}
+
+bool hifc_is_in_host(void)
+{
+	struct card_node *chip_node;
+	struct hifc_pcidev *dev;
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			if (dev->init_state > HIFC_INIT_STATE_PCI_INITED) {
+				lld_dev_put();
+				return true;
+			}
+		}
+	}
+	lld_dev_put();
+
+	return false;
+}
+
+static int is_driver_in_vm(void *hwdev, void *buf_in, u32 in_size,
+			   void *buf_out, u32 *out_size)
+{
+	bool in_host;
+
+	if (!buf_out || (*out_size != sizeof(u8)))
+		return -EINVAL;
+
+	in_host = hifc_is_in_host();
+	if (in_host)
+		*((u8 *)buf_out) = 0;
+	else
+		*((u8 *)buf_out) = 1;
+
+	return 0;
+}
+
+static int get_pf_id(void *hwdev, void *buf_in, u32 in_size,
+		     void *buf_out, u32 *out_size)
+{
+	struct hifc_pf_info *pf_info;
+	u32 port_id = 0;
+	int err;
+
+	if (!buf_out || (*out_size != sizeof(*pf_info)) ||
+	    !buf_in || in_size != sizeof(u32))
+		return -EINVAL;
+
+	port_id = *((u32 *)buf_in);
+	pf_info = (struct hifc_pf_info *)buf_out;
+	err = hifc_get_pf_id(hwdev, port_id, &pf_info->pf_id,
+			     &pf_info->isvalid);
+	if (err)
+		return err;
+
+	*out_size = sizeof(*pf_info);
+
+	return 0;
+}
+
+static struct hw_drv_module_handle hw_driv_module_cmd_handle[] = {
+	{FUNC_TYPE,             get_func_type},
+	{GET_FUNC_IDX,          get_func_id},
+	{GET_DRV_VERSION,       get_drv_version},
+	{GET_HW_STATS,          get_hw_stats},
+	{CLEAR_HW_STATS,        clear_hw_stats},
+	{GET_CHIP_FAULT_STATS,  get_chip_faults_stats},
+	{GET_CHIP_ID,           get_chip_id_test},
+	{GET_SINGLE_CARD_INFO,  get_single_card_info},
+	{GET_FIRMWARE_ACTIVE_STATUS, get_firmware_active_status},
+	{GET_DEVICE_ID,         get_device_id},
+	{IS_DRV_IN_VM,          is_driver_in_vm},
+	{GET_PF_ID,             get_pf_id},
+};
+
+int send_to_hw_driver(void *hwdev, struct msg_module *nt_msg,
+		      void *buf_in, u32 in_size, void *buf_out, u32 *out_size)
+{
+	int index, num_cmds = sizeof(hw_driv_module_cmd_handle) /
+				sizeof(hw_driv_module_cmd_handle[0]);
+	enum driver_cmd_type cmd_type;
+	int err = 0;
+
+	if (!nt_msg) {
+		pr_err("Input param invalid!\n");
+		return -EINVAL;
+	}
+	cmd_type = (enum driver_cmd_type)(nt_msg->msg_formate);
+	for (index = 0; index < num_cmds; index++) {
+		if (cmd_type ==
+			hw_driv_module_cmd_handle[index].driv_cmd_name) {
+			err = hw_driv_module_cmd_handle[index].driv_func
+					(hwdev, buf_in,
+					 in_size, buf_out, out_size);
+			break;
+		}
+	}
+
+	if (index == num_cmds)
+		return -EINVAL;
+
+	return err;
+}
+
+typedef int (*sm_module)(void *hwdev, u32 id, u8 instance,
+			 u8 node, struct sm_out_st *buf_out);
+
+static int sm_rd32(void *hwdev, u32 id, u8 instance,
+		   u8 node, struct sm_out_st *buf_out)
+{
+	u32 val1;
+	int ret;
+
+	ret = hifc_sm_ctr_rd32(hwdev, node, instance, id, &val1);
+	if (ret) {
+		pr_err("Get sm ctr information (32 bits)failed!\n");
+		val1 = 0xffffffff;
+	}
+
+	buf_out->val1 = val1;
+
+	return ret;
+}
+
+static int sm_rd64_pair(void *hwdev, u32 id, u8 instance,
+			u8 node, struct sm_out_st *buf_out)
+{
+	u64 val1 = 0, val2 = 0;
+	int ret;
+
+	ret = hifc_sm_ctr_rd64_pair(hwdev, node, instance, id, &val1, &val2);
+	if (ret) {
+		pr_err("Get sm ctr information (64 bits pair)failed!\n");
+		val1 = 0xffffffff;
+	}
+
+	buf_out->val1 = val1;
+	buf_out->val2 = val2;
+
+	return ret;
+}
+
+static int sm_rd64(void *hwdev, u32 id, u8 instance,
+		   u8 node, struct sm_out_st *buf_out)
+{
+	u64 val1;
+	int ret;
+
+	ret = hifc_sm_ctr_rd64(hwdev, node, instance, id, &val1);
+	if (ret) {
+		pr_err("Get sm ctr information (64 bits)failed!\n");
+		val1 = 0xffffffff;
+	}
+	buf_out->val1 = val1;
+
+	return ret;
+}
+
+struct sm_module_handle {
+	enum sm_cmd_type    sm_cmd_name;
+	sm_module           sm_func;
+};
+
+struct sm_module_handle sm_module_cmd_handle[] = {
+	{SM_CTR_RD32,		sm_rd32},
+	{SM_CTR_RD64_PAIR,	sm_rd64_pair},
+	{SM_CTR_RD64,		sm_rd64}
+};
+
+int send_to_sm(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+	       u32 in_size, void *buf_out, u32 *out_size)
+{
+	struct sm_in_st *sm_in = buf_in;
+	struct sm_out_st *sm_out = buf_out;
+	u32 msg_formate;
+	int index, num_cmds = sizeof(sm_module_cmd_handle) /
+				sizeof(sm_module_cmd_handle[0]);
+	int ret = 0;
+
+	if ((!nt_msg) || (!buf_in) || (!buf_out) ||
+	    (in_size != sizeof(*sm_in)) ||
+	    (*out_size != sizeof(*sm_out))) {
+		pr_err("Input param invalid!\n");
+		return -EINVAL;
+	}
+
+	msg_formate = nt_msg->msg_formate;
+	for (index = 0; index < num_cmds; index++) {
+		if (msg_formate == sm_module_cmd_handle[index].sm_cmd_name)
+			ret = sm_module_cmd_handle[index].sm_func(hwdev,
+						(u32)sm_in->id,
+						(u8)sm_in->instance,
+						(u8)sm_in->node, sm_out);
+	}
+
+	if (ret)
+		pr_err("Get sm information fail!\n");
+
+	*out_size = sizeof(struct sm_out_st);
+
+	return ret;
+}
+
+static u32 get_up_timeout_val(enum hifc_mod_type mod, u8 cmd)
+{
+#define UP_UPDATEFW_TIME_OUT_VAL		20000U
+	if (mod == HIFC_MOD_L2NIC && cmd == NIC_UP_CMD_UPDATE_FW)
+		return UP_UPDATEFW_TIME_OUT_VAL;
+	else
+		return UP_COMP_TIME_OUT_VAL;
+}
+
+static int api_csr_write(void *hwdev, struct msg_module *nt_msg,
+			 void *buf_in, u32 in_size, void *buf_out,
+			 u32 *out_size)
+{
+	struct csr_write_st *csr_write_msg = (struct csr_write_st *)buf_in;
+	int ret = 0;
+	u32 rd_len;
+	u32 rd_addr;
+	u32 rd_cnt = 0;
+	u32 offset = 0;
+	u8 node_id;
+	u32 i;
+	u8 *data;
+
+	if (!buf_in || in_size != sizeof(*csr_write_msg))
+		return -EINVAL;
+
+	rd_len = csr_write_msg->rd_len;
+	rd_addr = csr_write_msg->addr;
+	node_id = (u8)nt_msg->up_cmd.up_db.comm_mod_type;
+
+	if (rd_len % 4) {
+		pr_err("Csr length must be a multiple of 4\n");
+		return -EFAULT;
+	}
+
+	rd_cnt = rd_len / 4;
+	data = kzalloc(rd_len, GFP_KERNEL);
+	if (!data) {
+		pr_err("No more memory\n");
+		return -EFAULT;
+	}
+	if (copy_from_user(data, (void *)csr_write_msg->data, rd_len)) {
+		pr_err("Copy information from user failed\n");
+		kfree(data);
+		return -EFAULT;
+	}
+
+	for (i = 0; i < rd_cnt; i++) {
+		ret = hifc_api_csr_wr32(hwdev, node_id,
+					rd_addr + offset,
+					*((u32 *)(data + offset)));
+		if (ret) {
+			pr_err("Csr wr fail, ret: %d, node_id: %d, csr addr: 0x%08x\n",
+			       ret, rd_addr + offset, node_id);
+			kfree(data);
+			return ret;
+		}
+		offset += 4;
+	}
+
+	*out_size = 0;
+	kfree(data);
+	return ret;
+}
+
+static int api_csr_read(void *hwdev, struct msg_module *nt_msg,
+			void *buf_in, u32 in_size, void *buf_out, u32 *out_size)
+{
+	struct up_log_msg_st *up_log_msg = (struct up_log_msg_st *)buf_in;
+	int ret = 0;
+	u32 rd_len;
+	u32 rd_addr;
+	u32 rd_cnt = 0;
+	u32 offset = 0;
+	u8 node_id;
+	u32 i;
+
+	if (!buf_in || !buf_out || in_size != sizeof(*up_log_msg) ||
+	    *out_size != up_log_msg->rd_len)
+		return -EINVAL;
+
+	rd_len = up_log_msg->rd_len;
+	rd_addr = up_log_msg->addr;
+	node_id = (u8)nt_msg->up_cmd.up_db.comm_mod_type;
+
+	rd_cnt = rd_len / 4;
+
+	if (rd_len % 4)
+		rd_cnt++;
+
+	for (i = 0; i < rd_cnt; i++) {
+		ret = hifc_api_csr_rd32(hwdev, node_id,
+					rd_addr + offset,
+					(u32 *)(((u8 *)buf_out) + offset));
+		if (ret) {
+			pr_err("Csr rd fail, err: %d, node_id: %d, csr addr: 0x%08x\n",
+			       ret, node_id, rd_addr + offset);
+			return ret;
+		}
+		offset += 4;
+	}
+	*out_size = rd_len;
+
+	return ret;
+}
+
+int send_to_up(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+	       u32 in_size, void *buf_out, u32 *out_size)
+{
+	int ret = 0;
+
+	if ((!nt_msg) || (!hwdev) || (!buf_in) || (!buf_out)) {
+		pr_err("Input param invalid!\n");
+		return -EINVAL;
+	}
+
+	if ((nt_msg->up_cmd.up_db.up_api_type == API_CMD) ||
+	    (nt_msg->up_cmd.up_db.up_api_type == API_CLP)) {
+		enum hifc_mod_type mod;
+		u8 cmd;
+		u32 timeout;
+
+		mod = (enum hifc_mod_type)nt_msg->up_cmd.up_db.comm_mod_type;
+		cmd = nt_msg->up_cmd.up_db.chipif_cmd;
+
+		timeout = get_up_timeout_val(mod, cmd);
+
+		if (nt_msg->up_cmd.up_db.up_api_type == API_CMD)
+			ret = hifc_msg_to_mgmt_sync(hwdev, mod, cmd,
+						    buf_in, (u16)in_size,
+						    buf_out, (u16 *)out_size,
+						    timeout);
+		else
+			ret = hifc_clp_to_mgmt(hwdev, mod, cmd,
+					       buf_in, (u16)in_size,
+					       buf_out, (u16 *)out_size);
+		if (ret) {
+			pr_err("Message to mgmt cpu return fail, mod: %d, cmd: %d\n",
+			       mod, cmd);
+			return ret;
+		}
+
+	} else if (nt_msg->up_cmd.up_db.up_api_type == API_CHAIN) {
+		if (nt_msg->up_cmd.up_db.chipif_cmd == API_CSR_WRITE) {
+			ret = api_csr_write(hwdev, nt_msg, buf_in,
+					    in_size, buf_out, out_size);
+			return ret;
+		}
+
+		ret = api_csr_read(hwdev, nt_msg, buf_in,
+				   in_size, buf_out, out_size);
+	}
+
+	return ret;
+}
+
+int send_to_ucode(void *hwdev, struct msg_module *nt_msg, void *buf_in,
+		  u32 in_size, void *buf_out, u32 *out_size)
+{
+	int ret = 0;
+
+	if ((!nt_msg) || (!hwdev) || (!buf_in)) {
+		pr_err("Input param invalid!\n");
+		return -EINVAL;
+	}
+
+	if (nt_msg->ucode_cmd.ucode_db.ucode_imm) {
+		ret = hifc_cmdq_direct_resp
+			(hwdev, nt_msg->ucode_cmd.ucode_db.cmdq_ack_type,
+			 nt_msg->ucode_cmd.ucode_db.comm_mod_type,
+			 nt_msg->ucode_cmd.ucode_db.ucode_cmd_type,
+			 buf_in, buf_out, 0);
+		if (ret)
+			pr_err("Send direct cmdq err: %d!\n", ret);
+	} else {
+		ret = hifc_cmdq_detail_resp
+			(hwdev, nt_msg->ucode_cmd.ucode_db.cmdq_ack_type,
+			 nt_msg->ucode_cmd.ucode_db.comm_mod_type,
+			 nt_msg->ucode_cmd.ucode_db.ucode_cmd_type,
+			 buf_in, buf_out, 0);
+		if (ret)
+			pr_err("Send detail cmdq err: %d!\n", ret);
+	}
+
+	return ret;
+}
+
+void hifc_tool_cnt_inc(void)
+{
+	atomic_inc(&tool_used_cnt);
+}
+
+void hifc_tool_cnt_dec(void)
+{
+	atomic_dec(&tool_used_cnt);
+}
+
+static bool __is_pcidev_match_chip_name(const char *ifname,
+					struct hifc_pcidev *dev,
+					struct card_node *chip_node,
+					enum func_type type)
+{
+	if (!strncmp(chip_node->chip_name, ifname, IFNAMSIZ)) {
+		if (type == TYPE_UNKNOWN) {
+			if (dev->init_state < HIFC_INIT_STATE_HW_PART_INITED)
+				return false;
+		} else {
+			if (dev->init_state >=
+			    HIFC_INIT_STATE_HW_PART_INITED &&
+			    hifc_func_type(dev->hwdev) != type)
+				return false;
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+static struct hifc_pcidev *_get_pcidev_by_chip_name(char *ifname,
+						    enum func_type type)
+{
+	struct card_node *chip_node;
+	struct hifc_pcidev *dev;
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			if (__is_pcidev_match_chip_name(ifname, dev, chip_node,
+							type)) {
+				lld_dev_put();
+				return dev;
+			}
+		}
+	}
+
+	lld_dev_put();
+
+	return NULL;
+}
+
+static struct hifc_pcidev *hifc_get_pcidev_by_chip_name(char *ifname)
+{
+	struct hifc_pcidev *dev, *dev_hw_init;
+
+	/* find hw init device first */
+	dev_hw_init = _get_pcidev_by_chip_name(ifname, TYPE_UNKNOWN);
+	if (dev_hw_init) {
+		if (hifc_func_type(dev_hw_init->hwdev) == TYPE_PPF)
+			return dev_hw_init;
+	}
+
+	dev = _get_pcidev_by_chip_name(ifname, TYPE_PPF);
+	if (dev) {
+		if (dev_hw_init && (dev_hw_init->init_state >= dev->init_state))
+			return dev_hw_init;
+
+		return dev;
+	}
+
+	dev = _get_pcidev_by_chip_name(ifname, TYPE_PF);
+	if (dev) {
+		if (dev_hw_init && (dev_hw_init->init_state >= dev->init_state))
+			return dev_hw_init;
+
+		return dev;
+	}
+
+	return NULL;
+}
+
+static struct hifc_pcidev *hifc_get_pcidev_by_ifname(char *ifname)
+{
+	struct hifc_pcidev *dev;
+
+	/* support search hwdev by chip name, net device name,
+	 * or fc device name
+	 */
+	/* Find pcidev by chip_name first */
+	dev = hifc_get_pcidev_by_chip_name(ifname);
+	if (dev)
+		return dev;
+
+	/* If ifname not a chip name,
+	 * find pcidev by FC name or netdevice name
+	 */
+	return hifc_get_pcidev_by_dev_name(ifname);
+}
+
+void *hifc_get_hwdev_by_ifname(char *ifname)
+{
+	struct hifc_pcidev *dev;
+
+	if (!ifname) {
+		pr_err("Input param invalid!\n");
+		return NULL;
+	}
+
+	dev = hifc_get_pcidev_by_ifname(ifname);
+	if (dev)
+		return dev->hwdev;
+
+	return NULL;
+}
+
+enum hifc_init_state hifc_get_init_state_by_ifname(char *ifname)
+{
+	struct hifc_pcidev *dev;
+
+	if (!ifname) {
+		pr_err("Input param invalid!\n");
+		return HIFC_INIT_STATE_NONE;
+	}
+	dev = hifc_get_pcidev_by_ifname(ifname);
+	if (dev)
+		return dev->init_state;
+
+	pr_err("Can not get device %s\n", ifname);
+
+	return HIFC_INIT_STATE_NONE;
+}
+
+void get_fc_devname(char *devname)
+{
+	struct card_node *chip_node;
+	struct hifc_pcidev *dev;
+
+	if (!devname) {
+		pr_err("Input param invalid!\n");
+		return;
+	}
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			if (dev->init_state < HIFC_INIT_STATE_ALL_INITED)
+				continue;
+
+			if (dev->uld_dev) {
+				strlcpy(devname, (char *)dev->uld_dev_name,
+					IFNAMSIZ);
+				lld_dev_put();
+				return;
+			}
+		}
+	}
+	lld_dev_put();
+}
+
+void hifc_get_all_chip_id(void *id_info)
+{
+	struct nic_card_id *card_id = (struct nic_card_id *)id_info;
+	struct card_node *chip_node;
+	int i = 0;
+	int id, err;
+
+	if (!card_id) {
+		pr_err("Input param invalid!\n");
+		return;
+	}
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		err = sscanf(chip_node->chip_name, HIFC_CHIP_NAME "%d", &id);
+		if (err < 0)
+			pr_err("Failed to get hifc id\n");
+
+		card_id->id[i] = id;
+		i++;
+	}
+	lld_dev_put();
+	card_id->num = i;
+}
+
+static struct card_node *hifc_get_chip_node_by_hwdev(const void *hwdev)
+{
+	struct card_node *chip_node = NULL;
+	struct card_node *node_tmp = NULL;
+	struct hifc_pcidev *dev;
+
+	if (!hwdev)
+		return NULL;
+
+	lld_dev_hold();
+	list_for_each_entry(node_tmp, &g_hinic_chip_list, node) {
+		if (!chip_node) {
+			list_for_each_entry(dev, &node_tmp->func_list, node) {
+				if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+					continue;
+
+				if (dev->hwdev == hwdev) {
+					chip_node = node_tmp;
+					break;
+				}
+			}
+		}
+	}
+
+	lld_dev_put();
+
+	return chip_node;
+}
+
+int hifc_get_device_id(void *hwdev, u16 *dev_id)
+{
+	struct card_node *chip_node = NULL;
+	struct hifc_pcidev *dev;
+	u16 vendor_id = 0;
+	u16 device_id = 0;
+
+	if ((!dev_id) || (!hwdev)) {
+		pr_err("Input param invalid!\n");
+		return -ENODEV;
+	}
+	chip_node = hifc_get_chip_node_by_hwdev(hwdev);
+	if (!chip_node)
+		return -ENODEV;
+
+	lld_dev_hold();
+	list_for_each_entry(dev, &chip_node->func_list, node) {
+		if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+			continue;
+
+		pci_read_config_word(dev->pcidev, 0, &vendor_id);
+		if (vendor_id == HIFC_PCI_VENDOR_ID) {
+			pci_read_config_word(dev->pcidev, 2, &device_id);
+			break;
+		}
+	}
+	lld_dev_put();
+	*dev_id = device_id;
+
+	return 0;
+}
+
+int hifc_get_pf_id(void *hwdev, u32 port_id, u32 *pf_id, u32 *isvalid)
+{
+	struct card_node *chip_node = NULL;
+	struct hifc_pcidev *dev;
+
+	if ((!isvalid) || (!pf_id) || (!hwdev)) {
+		pr_err("Input param invalid!\n");
+		return -ENODEV;
+	}
+	chip_node = hifc_get_chip_node_by_hwdev(hwdev);
+	if (!chip_node)
+		return -ENODEV;
+
+	lld_dev_hold();
+	list_for_each_entry(dev, &chip_node->func_list, node) {
+		if (hifc_physical_port_id(dev->hwdev) == port_id) {
+			*pf_id = hifc_global_func_id(dev->hwdev);
+			*isvalid = 1;
+			break;
+		}
+	}
+	lld_dev_put();
+
+	return 0;
+}
+
+bool hifc_is_valid_bar_addr(u64 offset)
+{
+	struct card_node *chip_node = NULL;
+	struct hifc_pcidev *dev;
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			if (offset == pci_resource_start(dev->pcidev, 0)) {
+				lld_dev_put();
+				return true;
+			}
+		}
+	}
+	lld_dev_put();
+
+	return false;
+}
+
+void hifc_get_card_func_info_by_card_name(
+	const char *chip_name, struct hifc_card_func_info *card_func)
+{
+	struct card_node *chip_node = NULL;
+	struct hifc_pcidev *dev;
+	struct func_pdev_info *pdev_info;
+
+	if ((!card_func) || (!chip_name)) {
+		pr_err("Input param invalid!\n");
+		return;
+	}
+	card_func->num_pf = 0;
+
+	lld_dev_hold();
+	list_for_each_entry(chip_node, &g_hinic_chip_list, node) {
+		if (strncmp(chip_node->chip_name, chip_name, IFNAMSIZ))
+			continue;
+
+		list_for_each_entry(dev, &chip_node->func_list, node) {
+			if (hifc_func_type(dev->hwdev) == TYPE_VF)
+				continue;
+
+			if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+				continue;
+
+			pdev_info = &card_func->pdev_info[card_func->num_pf];
+			pdev_info->bar0_size = pci_resource_len(dev->pcidev, 0);
+			pdev_info->bar0_phy_addr =
+					pci_resource_start(dev->pcidev, 0);
+
+			card_func->num_pf++;
+			if (card_func->num_pf >= MAX_SIZE)
+				break;
+		}
+	}
+
+	lld_dev_put();
+}
+
+static bool __is_func_valid(struct hifc_pcidev *dev)
+{
+	if (test_bit(HIFC_FUNC_IN_REMOVE, &dev->flag))
+		return false;
+
+	if (dev->init_state < HIFC_INIT_STATE_HWDEV_INITED)
+		return false;
+
+	return true;
+}
+
+void hifc_get_card_info(void *hwdev, void *bufin)
+{
+	struct card_node *chip_node = NULL;
+	struct card_info *info = (struct card_info *)bufin;
+	struct hifc_pcidev *dev;
+	u32 idx = 0;
+
+	if ((!bufin) || (!hwdev)) {
+		pr_err("Input param invalid!\n");
+		return;
+	}
+	info->pf_num = 0;
+
+	chip_node = hifc_get_chip_node_by_hwdev(hwdev);
+	if (!chip_node)
+		return;
+
+	lld_dev_hold();
+	list_for_each_entry(dev, &chip_node->func_list, node) {
+		if (!__is_func_valid(dev))
+			continue;
+
+		strlcpy(info->pf[idx].name, dev->uld_dev_name, IFNAMSIZ);
+		info->pf[idx].pf_type = (u32)BIT(SERVICE_T_FC);
+		strlcpy(info->pf[idx].bus_info, pci_name(dev->pcidev),
+			sizeof(info->pf[idx].bus_info));
+		info->pf_num++;
+		idx++;
+	}
+	lld_dev_put();
+}
diff --git a/drivers/scsi/huawei/hifc/unf_portman.c b/drivers/scsi/huawei/hifc/unf_portman.c
new file mode 100644
index 000000000000..d244a5c1aaa2
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/unf_portman.c
@@ -0,0 +1,5565 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+
+#include "unf_log.h"
+#include "unf_common.h"
+#include "unf_event.h"
+#include "unf_lport.h"
+#include "unf_exchg.h"
+#include "unf_portman.h"
+#include "unf_rport.h"
+#include "unf_io.h"
+#include "unf_service.h"
+#include "unf_rport.h"
+#include "unf_npiv.h"
+#include "hifc_portmng.h"
+
+#define UNF_LOOP_STOP_NEED_WAIT    0
+#define UNF_LOOP_STOP_NO_NEED_WAIT 1
+
+#define UNF_MAX_SAVE_ENTRY_NUM                                 60
+#define UNF_CHECK_CONFIG_SPEED_BY_SFSSPEED(sfs_speed, cfg_speed) \
+	((sfs_speed) < (cfg_speed) || (sfs_speed) == UNF_PORT_SFP_SPEED_ERR)
+#define UNF_LPORT_CHIP_ERROR(lport)                         \
+	((lport)->pcie_error_cnt.pcie_error_count[UNF_PCIE_FATALERRORDETECTED])
+
+struct unf_global_lport_s global_lport_mgr;
+
+static unsigned int unf_port_link_up(struct unf_lport_s *v_lport,
+				     void *v_in_put);
+static unsigned int unf_port_link_down(struct unf_lport_s *v_lport,
+				       void *v_in_put);
+static unsigned int unf_port_abnormal_reset(struct unf_lport_s *v_lport,
+					    void *v_in_put);
+static unsigned int unf_port_reset_start(struct unf_lport_s *v_lport,
+					 void *v_in_put);
+static unsigned int unf_port_reset_end(struct unf_lport_s *v_lport,
+				       void *v_in_put);
+static unsigned int unf_port_nop(struct unf_lport_s *v_lport, void *v_in_put);
+static unsigned int unf_port_clean_done(struct unf_lport_s *v_lport,
+					void *v_in_put);
+static unsigned int unf_port_begin_remove(struct unf_lport_s *v_lport,
+					  void *v_in_put);
+static unsigned int unf_port_release_rport_index(struct unf_lport_s *v_lport,
+						 void *v_in_put);
+static int unf_cm_port_info_get(struct unf_lport_s *v_lport,
+				struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_port_speed_set(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_topo_set(struct unf_lport_s *v_lport,
+			   struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_port_set(struct unf_lport_s *v_lport,
+			   struct unf_hinicam_pkg *v_in_put);
+static int unf_get_port_sfp_info(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_get_all_port_info(struct unf_lport_s *v_lport,
+				    struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_clear_error_code_sum(struct unf_lport_s *v_lport,
+				       struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_bbscn_set(struct unf_lport_s *v_lport,
+			    struct unf_hinicam_pkg *v_in_put);
+static int unf_get_io_dfx_statistics(struct unf_lport_s *v_pstLPort,
+				     struct unf_hinicam_pkg *v_input);
+static int unf_cm_set_vport(struct unf_lport_s *v_lport,
+			    struct unf_hinicam_pkg *v_input);
+static int unf_cm_link_delay_get(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_save_data_mode(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_set_dif(struct unf_lport_s *v_lport,
+			  struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_select_dif_mode(struct unf_lport_s *v_lport,
+				  struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_adm_show_xchg(struct unf_lport_s *v_lport,
+				struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_adm_link_time_out_opt(struct unf_lport_s *v_lport,
+					struct unf_hinicam_pkg *v_in_put);
+static int unf_cm_adm_log_level_opt(struct unf_lport_s *v_lport,
+				    struct unf_hinicam_pkg *v_in_put);
+
+static struct unf_port_action_s lport_action[] = {
+	{ UNF_PORT_LINK_UP,             unf_port_link_up },
+	{ UNF_PORT_LINK_DOWN,           unf_port_link_down },
+	{ UNF_PORT_RESET_START,         unf_port_reset_start },
+	{ UNF_PORT_RESET_END,           unf_port_reset_end },
+	{ UNF_PORT_NOP,                 unf_port_nop },
+	{ UNF_PORT_CLEAN_DONE,          unf_port_clean_done },
+	{ UNF_PORT_BEGIN_REMOVE,        unf_port_begin_remove },
+	{ UNF_PORT_RELEASE_RPORT_INDEX, unf_port_release_rport_index },
+	{ UNF_PORT_ABNORMAL_RESET,      unf_port_abnormal_reset },
+};
+
+static struct unf_hifcadm_action_s unf_hifcadm_action[] = {
+	{ UNF_PORT_SET_OP,   unf_cm_port_set },
+	{ UNF_TOPO_SET_OP,   unf_cm_topo_set },
+	{ UNF_SPEED_SET_OP,  unf_cm_port_speed_set },
+	{ UNF_INFO_GET_OP,   unf_cm_port_info_get },
+	{ UNF_INFO_CLEAR_OP, unf_cm_clear_error_code_sum },
+	{ UNF_SFP_INFO_OP,   unf_get_port_sfp_info },
+	{ UNF_ALL_INFO_OP,   unf_cm_get_all_port_info },
+	{ UNF_BBSCN,         unf_cm_bbscn_set },
+	{ UNF_DFX,           unf_get_io_dfx_statistics },
+	{ UNF_VPORT,         unf_cm_set_vport },
+	{ UNF_LINK_DELAY,    unf_cm_link_delay_get },
+	{ UNF_SAVA_DATA,     unf_cm_save_data_mode },
+	{ UNF_DIF,           unf_cm_set_dif },
+	{ UNF_DIF_CONFIG,    unf_cm_select_dif_mode },
+	{ UNF_SHOW_XCHG,     unf_cm_adm_show_xchg },
+	{ FC_LINK_TMO_OPT,   unf_cm_adm_link_time_out_opt },
+	{ FC_DRV_LOG_OPT,    unf_cm_adm_log_level_opt },
+};
+
+static void unf_destroy_dirty_rport(struct unf_lport_s *v_lport,
+				    int v_show_only)
+{
+	unsigned int dirty_rport = 0;
+
+	UNF_REFERNCE_VAR(dirty_rport);
+
+	/* for whole L_Port */
+	if (v_lport->dirty_flag & UNF_LPORT_DIRTY_FLAG_RPORT_POOL_DIRTY) {
+		dirty_rport = v_lport->rport_pool.rport_pool_count;
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[info]Port(0x%x) has %u dirty RPort(s)",
+			  v_lport->port_id, dirty_rport);
+
+		/* free R_Port pool memory & bitmap */
+		if (v_show_only == UNF_FALSE) {
+			vfree(v_lport->rport_pool.rport_pool_add);
+			v_lport->rport_pool.rport_pool_add = NULL;
+			vfree(v_lport->rport_pool.pul_rpi_bitmap);
+			v_lport->rport_pool.pul_rpi_bitmap = NULL;
+		}
+	}
+
+	UNF_REFERNCE_VAR(dirty_rport);
+}
+
+void unf_show_dirty_port(int v_show_only, unsigned int *v_ditry_port_num)
+{
+	struct list_head *node = NULL;
+	struct list_head *node_next = NULL;
+	struct unf_lport_s *lport = NULL;
+	unsigned long flags = 0;
+	unsigned int port_num = 0;
+
+	UNF_CHECK_VALID(0x2200, UNF_TRUE, NULL != v_ditry_port_num, return);
+
+	/* for each dirty L_Port from global L_Port list */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_safe(node, node_next, &global_lport_mgr.list_dirty_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[info]Port(0x%x) has dirty data(0x%x)",
+			  lport->port_id, lport->dirty_flag);
+
+		/* Destroy dirty L_Port's exchange(s) & R_Port(s) */
+		unf_destroy_dirty_xchg(lport, v_show_only);
+		unf_destroy_dirty_rport(lport, v_show_only);
+
+		/* Delete (dirty L_Port) list entry if necessary */
+		if (v_show_only == UNF_FALSE) {
+			list_del_init(node);
+			vfree(lport);
+		}
+
+		port_num++;
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+			       flags);
+
+	*v_ditry_port_num = port_num;
+}
+
+int unf_send_event(unsigned int port_id,
+		   unsigned int syn_flag,
+		   void *argc_in,
+		   void *argc_out,
+		   int (*p_func)(void *argc_in, void *argc_out))
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_cm_event_report *event = NULL;
+	int ret = 0;
+
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_INFO,
+			  "Cannot find LPort(0x%x).", port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (unf_lport_refinc(lport) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+			  "LPort(0x%x) is removing, no need process.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	if (unlikely((!lport->event_mgr.pfn_unf_get_free_event) ||
+		     (!lport->event_mgr.pfn_unf_post_event) ||
+		     (!lport->event_mgr.pfn_unf_release_event))) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Event function is NULL.");
+
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (lport->b_port_removing == UNF_TRUE) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+			  "LPort(0x%x) is removing, no need process.",
+			  lport->port_id);
+
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	event = lport->event_mgr.pfn_unf_get_free_event((void *)lport);
+	if (!event) {
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	init_completion(&event->event_comp);
+	event->lport = lport;
+	event->event_asy_flag = syn_flag;
+	event->pfn_unf_event_task = p_func;
+	event->para_in = argc_in;
+	event->para_out = argc_out;
+	lport->event_mgr.pfn_unf_post_event(lport, event);
+
+	if (event->event_asy_flag) {
+		/* You must wait for the other party to return. Otherwise,
+		 *the linked list may be in disorder.
+		 */
+		wait_for_completion(&event->event_comp);
+		ret = (int)event->result;
+		lport->event_mgr.pfn_unf_release_event(lport, event);
+	} else {
+		ret = RETURN_OK;
+	}
+
+	unf_lport_ref_dec_to_destroy(lport);
+	return ret;
+}
+
+void unf_lport_update_topo(struct unf_lport_s *v_lport,
+			   enum unf_act_topo_e v_enactive_topo)
+{
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2210, UNF_TRUE, NULL != v_lport, return);
+
+	if ((v_enactive_topo > UNF_ACT_TOP_UNKNOWN) ||
+	    (v_enactive_topo < UNF_ACT_TOP_PUBLIC_LOOP)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[err]Port(0x%x) set invalid topology(0x%x) with current value(0x%x)",
+			  v_lport->nport_id, v_enactive_topo,
+			  v_lport->en_act_topo);
+
+		return;
+	}
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+	v_lport->en_act_topo = v_enactive_topo;
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+}
+
+void unf_set_lport_removing(struct unf_lport_s *v_lport)
+{
+	UNF_CHECK_VALID(0x2216, UNF_TRUE, (v_lport), return);
+
+	v_lport->fc_port = NULL;
+	v_lport->b_port_removing = UNF_TRUE;
+	v_lport->destroy_step = UNF_LPORT_DESTROY_STEP_0_SET_REMOVING;
+}
+
+unsigned int unf_release_local_port(void *v_lport)
+{
+	struct unf_lport_s *lport = v_lport;
+	struct completion local_port_free_completion =
+		COMPLETION_INITIALIZER(local_port_free_completion);
+
+	UNF_CHECK_VALID(0x2217, UNF_TRUE, (lport),
+			return UNF_RETURN_ERROR);
+
+	lport->lport_free_completion = &local_port_free_completion;
+	unf_set_lport_removing(lport);
+	unf_lport_ref_dec(lport);
+	wait_for_completion(lport->lport_free_completion);
+	/* for dirty case */
+	if (lport->dirty_flag == 0)
+		vfree(lport);
+
+	return RETURN_OK;
+}
+
+static void unf_free_all_esgl_pages(struct unf_lport_s *v_lport)
+{
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flag = 0;
+	unsigned int alloc_idx;
+
+	UNF_CHECK_VALID(0x2218, UNF_TRUE, (v_lport), return);
+	spin_lock_irqsave(&v_lport->esgl_pool.esgl_pool_lock, flag);
+	list_for_each_safe(node, next_node,
+			   &v_lport->esgl_pool.list_esgl_pool) {
+		list_del(node);
+	}
+
+	spin_unlock_irqrestore(&v_lport->esgl_pool.esgl_pool_lock, flag);
+
+	if (v_lport->esgl_pool.esgl_buf_list.buflist) {
+		for (alloc_idx = 0;
+		     alloc_idx < v_lport->esgl_pool.esgl_buf_list.buf_num;
+		     alloc_idx++) {
+			if (v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr) {
+				dma_free_coherent(&v_lport->low_level_func.dev->dev,
+						  v_lport->esgl_pool.esgl_buf_list.buf_size,
+						  v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr,
+						  v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].paddr);
+				v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr = NULL;
+			}
+		}
+		kfree(v_lport->esgl_pool.esgl_buf_list.buflist);
+		v_lport->esgl_pool.esgl_buf_list.buflist = NULL;
+	}
+}
+
+static unsigned int unf_init_esgl_pool(struct unf_lport_s *v_lport)
+{
+	struct unf_esgl_s *esgl = NULL;
+	unsigned int ret = RETURN_OK;
+	unsigned int index = 0;
+	unsigned int buf_total_size;
+	unsigned int buf_num;
+	unsigned int alloc_idx;
+	unsigned int cur_buf_idx = 0;
+	unsigned int cur_buf_offset = 0;
+	unsigned int buf_cnt_perhugebuf;
+
+	UNF_CHECK_VALID(0x2219, UNF_TRUE, NULL != v_lport,
+			return UNF_RETURN_ERROR);
+
+	v_lport->esgl_pool.esgl_pool_count =
+		v_lport->low_level_func.lport_cfg_items.max_io;
+	spin_lock_init(&v_lport->esgl_pool.esgl_pool_lock);
+	INIT_LIST_HEAD(&v_lport->esgl_pool.list_esgl_pool);
+
+	v_lport->esgl_pool.esgl_pool_addr =
+		vmalloc((size_t)((v_lport->esgl_pool.esgl_pool_count) *
+				  sizeof(struct unf_esgl_s)));
+	if (!v_lport->esgl_pool.esgl_pool_addr) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_ERR,
+			  "LPort(0x%x) cannot allocate ESGL Pool.",
+		v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	esgl = (struct unf_esgl_s *)v_lport->esgl_pool.esgl_pool_addr;
+	memset(esgl, 0, ((v_lport->esgl_pool.esgl_pool_count) *
+			 sizeof(struct unf_esgl_s)));
+
+	buf_total_size =
+		(unsigned int)(PAGE_SIZE * v_lport->esgl_pool.esgl_pool_count);
+
+	v_lport->esgl_pool.esgl_buf_list.buf_size =
+		buf_total_size > BUF_LIST_PAGE_SIZE ? BUF_LIST_PAGE_SIZE :
+						buf_total_size;
+	buf_cnt_perhugebuf =
+		v_lport->esgl_pool.esgl_buf_list.buf_size / PAGE_SIZE;
+	buf_num = v_lport->esgl_pool.esgl_pool_count %
+		buf_cnt_perhugebuf ? v_lport->esgl_pool.esgl_pool_count /
+		buf_cnt_perhugebuf + 1 : v_lport->esgl_pool.esgl_pool_count /
+		buf_cnt_perhugebuf;
+	v_lport->esgl_pool.esgl_buf_list.buflist =
+		(struct buff_list_s *)
+		kmalloc(buf_num * sizeof(struct buff_list_s), GFP_KERNEL);
+	v_lport->esgl_pool.esgl_buf_list.buf_num = buf_num;
+
+	if (!v_lport->esgl_pool.esgl_buf_list.buflist) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[err]Allocate Esgl pool buf list failed out of memory");
+		goto free_buff;
+	}
+	memset(v_lport->esgl_pool.esgl_buf_list.buflist, 0,
+	       buf_num * sizeof(struct buff_list_s));
+
+	for (alloc_idx = 0; alloc_idx < buf_num; alloc_idx++) {
+		v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr =
+			dma_alloc_coherent(
+				&v_lport->low_level_func.dev->dev,
+				v_lport->esgl_pool.esgl_buf_list.buf_size,
+				&v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].paddr,
+				GFP_KERNEL);
+		if (!v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr)
+			goto free_buff;
+
+		memset(v_lport->esgl_pool.esgl_buf_list.buflist[alloc_idx].vaddr,
+		       0, v_lport->esgl_pool.esgl_buf_list.buf_size);
+	}
+
+	/* allocates the Esgl page, and the DMA uses the */
+	for (index = 0; index < v_lport->esgl_pool.esgl_pool_count; index++) {
+		if ((index != 0) && !(index % buf_cnt_perhugebuf))
+			cur_buf_idx++;
+
+		cur_buf_offset =
+			(unsigned int)
+			(PAGE_SIZE * (index % buf_cnt_perhugebuf));
+		esgl->page.page_address =
+			(unsigned long long)v_lport->esgl_pool.esgl_buf_list.buflist[cur_buf_idx].vaddr +
+			cur_buf_offset;
+		esgl->page.page_size = PAGE_SIZE;
+		esgl->page.esgl_phyaddr =
+			v_lport->esgl_pool.esgl_buf_list.buflist[cur_buf_idx].paddr +
+			cur_buf_offset;
+		list_add_tail(&esgl->entry_esgl,
+			      &v_lport->esgl_pool.list_esgl_pool);
+		esgl++;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[EVENT]Allocate bufnum:%u, buf_total_size:%u", buf_num,
+		  buf_total_size);
+	return ret;
+free_buff:
+	unf_free_all_esgl_pages(v_lport);
+	vfree(v_lport->esgl_pool.esgl_pool_addr);
+
+	return UNF_RETURN_ERROR;
+}
+
+static void unf_free_esgl_pool(struct unf_lport_s *v_lport)
+{
+	UNF_CHECK_VALID(0x2220, UNF_TRUE, (v_lport), return);
+
+	unf_free_all_esgl_pages(v_lport);
+	v_lport->esgl_pool.esgl_pool_count = 0;
+
+	if (v_lport->esgl_pool.esgl_pool_addr) {
+		vfree(v_lport->esgl_pool.esgl_pool_addr);
+		v_lport->esgl_pool.esgl_pool_addr = NULL;
+	}
+
+	v_lport->destroy_step = UNF_LPORT_DESTROY_STEP_5_DESTROY_ESGL_POOL;
+}
+
+struct unf_lport_s *unf_find_lport_by_port_id(unsigned int v_port_id)
+{
+	struct unf_lport_s *lport = NULL;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flags = 0;
+	unsigned int port_id = v_port_id & (~PORTID_VPINDEX_MASK);
+	unsigned short vport_index = (v_port_id & PORTID_VPINDEX_MASK) >>
+				     PORTID_VPINDEX_SHIT;
+
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_lport_list_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+		if ((port_id == lport->port_id) &&
+		    (lport->b_port_removing != UNF_TRUE)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+			return unf_cm_lookup_vport_by_vp_index(lport,
+							       vport_index);
+		}
+	}
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_intergrad_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+		if ((port_id == lport->port_id) &&
+		    (lport->b_port_removing != UNF_TRUE)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+			return unf_cm_lookup_vport_by_vp_index(lport,
+							       vport_index);
+		}
+	}
+
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	return NULL;
+}
+
+unsigned int unf_is_vport_valid(struct unf_lport_s *v_lport,
+				struct unf_lport_s *v_vport)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_vport_pool_s *vport_pool = NULL;
+	struct unf_lport_s *vport = NULL;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x1977, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x1977, UNF_TRUE, v_vport, return UNF_RETURN_ERROR);
+
+	lport = v_lport;
+	vport_pool = lport->vport_pool;
+	if (unlikely(!vport_pool)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_IO_ATT, UNF_ERR,
+			  "[err]Port(0x%x) vport pool is NULL",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	spin_lock_irqsave(&vport_pool->vport_pool_lock, flag);
+	list_for_each_safe(node, next_node, &lport->list_vports_head) {
+		vport = list_entry(node, struct unf_lport_s, entry_vport);
+
+		if (vport == v_vport && vport->b_port_removing != UNF_TRUE) {
+			spin_unlock_irqrestore(&vport_pool->vport_pool_lock,
+					       flag);
+
+			return RETURN_OK;
+		}
+	}
+
+	list_for_each_safe(node, next_node, &lport->list_intergrad_vports) {
+		vport = list_entry(node, struct unf_lport_s, entry_vport);
+
+		if (vport == v_vport && vport->b_port_removing != UNF_TRUE) {
+			spin_unlock_irqrestore(&vport_pool->vport_pool_lock,
+					       flag);
+
+			return RETURN_OK;
+		}
+	}
+	spin_unlock_irqrestore(&vport_pool->vport_pool_lock, flag);
+
+	return UNF_RETURN_ERROR;
+}
+
+unsigned int unf_is_lport_valid(struct unf_lport_s *v_lport)
+{
+	struct unf_lport_s *lport = NULL;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_lport_list_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		if ((v_lport == lport) &&
+		    (lport->b_port_removing != UNF_TRUE)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+			return RETURN_OK;
+		}
+
+		if (unf_is_vport_valid(lport, v_lport) == RETURN_OK) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+
+			return RETURN_OK;
+		}
+	}
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_intergrad_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		if ((v_lport == lport) &&
+		    (lport->b_port_removing != UNF_TRUE)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+			return RETURN_OK;
+		}
+
+		if (unf_is_vport_valid(lport, v_lport) == RETURN_OK) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+
+			return RETURN_OK;
+		}
+	}
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_destroy_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		if ((v_lport == lport) &&
+		    (lport->b_port_removing != UNF_TRUE)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+			return RETURN_OK;
+		}
+
+		if (unf_is_vport_valid(lport, v_lport) == RETURN_OK) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+
+			return RETURN_OK;
+		}
+	}
+
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+			       flags);
+	return UNF_RETURN_ERROR;
+}
+
+static void unf_clean_link_down_io(struct unf_lport_s *v_lport,
+				   int v_clean_flag)
+{
+	/* Clean L_Port/V_Port Link Down I/O: Set Abort Tag */
+	UNF_CHECK_VALID(0x2225, UNF_TRUE, v_lport, return);
+	UNF_CHECK_VALID(0x2685, UNF_TRUE,
+			v_lport->xchg_mgr_temp.pfn_unf_xchg_abort_all_io,
+			return);
+
+	v_lport->xchg_mgr_temp.pfn_unf_xchg_abort_all_io(v_lport,
+		UNF_XCHG_TYPE_INI, v_clean_flag);
+	v_lport->xchg_mgr_temp.pfn_unf_xchg_abort_all_io(v_lport,
+		UNF_XCHG_TYPE_SFS, v_clean_flag);
+}
+
+unsigned int unf_fc_port_link_event(void *v_lport, unsigned int v_events,
+				    void *v_input)
+{
+	struct unf_lport_s *lport = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+	unsigned int index = 0;
+
+	if (unlikely(!v_lport))
+		return UNF_RETURN_ERROR;
+
+	lport = (struct unf_lport_s *)v_lport;
+
+	ret = unf_lport_refinc(lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+			  "[info]Port(0x%x) is removing and do nothing",
+			  lport->port_id);
+		return RETURN_OK;
+	}
+
+	/* process port event */
+	while (index < (sizeof(lport_action) /
+			  sizeof(struct unf_port_action_s))) {
+		if (v_events == lport_action[index].action) {
+			ret = lport_action[index].fn_unf_action(lport, v_input);
+
+			unf_lport_ref_dec_to_destroy(lport);
+
+			return ret;
+		}
+		index++;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT, UNF_WARN,
+		  "[warn]Port(0x%x) receive unknown event(0x%x)",
+		  lport->port_id, v_events);
+
+	unf_lport_ref_dec_to_destroy(lport);
+
+	return ret;
+}
+
+void unf_port_mgmt_init(void)
+{
+	memset(&global_lport_mgr, 0, sizeof(struct unf_global_lport_s));
+
+	INIT_LIST_HEAD(&global_lport_mgr.list_lport_list_head);
+
+	INIT_LIST_HEAD(&global_lport_mgr.list_intergrad_head);
+
+	INIT_LIST_HEAD(&global_lport_mgr.list_destroy_head);
+
+	INIT_LIST_HEAD(&global_lport_mgr.list_dirty_head);
+
+	spin_lock_init(&global_lport_mgr.global_lport_list_lock);
+
+	UNF_SET_NOMAL_MODE(global_lport_mgr.dft_mode);
+
+	global_lport_mgr.b_start_work = UNF_TRUE;
+}
+
+void unf_port_mgmt_deinit(void)
+{
+	if (global_lport_mgr.lport_sum != 0)
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT, UNF_WARN,
+			  "[warn]There are %u port pool memory giveaway",
+			  global_lport_mgr.lport_sum);
+
+	memset(&global_lport_mgr, 0, sizeof(struct unf_global_lport_s));
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		  "[info]Common port manager exit succeed");
+}
+
+static void unf_port_register(struct unf_lport_s *v_lport)
+{
+	unsigned long flags = 0;
+
+	UNF_CHECK_VALID(0x2230, UNF_TRUE, (v_lport), return);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "Register LPort(0x%p), port ID(0x%x).",
+		  v_lport, v_lport->port_id);
+
+	/* Add to the global management linked list header */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_add_tail(&v_lport->entry_lport,
+		      &global_lport_mgr.list_lport_list_head);
+	global_lport_mgr.lport_sum++;
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+}
+
+static void unf_port_unregister(struct unf_lport_s *v_lport)
+{
+	unsigned long flags = 0;
+
+	UNF_CHECK_VALID(0x2703, UNF_TRUE, (v_lport), return);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "Unregister LPort(0x%p), port ID(0x%x).",
+		  v_lport, v_lport->port_id);
+
+	/* Remove from the global management linked list header */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_del(&v_lport->entry_lport);
+	global_lport_mgr.lport_sum--;
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+}
+
+static int unf_port_switch(struct unf_lport_s *v_lport,
+			   unsigned int v_switch_flag)
+{
+	struct unf_lport_s *lport = v_lport;
+	int ret = UNF_RETURN_ERROR;
+	int switch_flag = UNF_FALSE;
+
+	UNF_CHECK_VALID(0x2261, UNF_TRUE, lport, return UNF_RETURN_ERROR);
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x)'s config(switch) function is NULL",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	switch_flag = v_switch_flag ? UNF_TRUE : UNF_FALSE;
+	ret = (int)lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_PORT_SWITCH, (void *)&switch_flag);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) switch %s failed",
+			  lport->port_id,
+			  v_switch_flag ? "On" : "Off");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->b_switch_state = (enum int_e)switch_flag;
+
+	return RETURN_OK;
+}
+
+int unf_port_start_work(struct unf_lport_s *v_lport)
+{
+	unsigned long flag = 0;
+	struct unf_fw_version_s fw_version = { 0 };
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2231, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+	if (v_lport->en_start_work_state != UNF_START_WORK_STOP) {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+		return RETURN_OK;
+	}
+	v_lport->en_start_work_state = UNF_START_WORK_COMPLETE;
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+	if (!v_lport->low_level_func.port_mgr_op.pfn_ll_port_diagnose) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	fw_version.message_type = UNF_DEBUG_TYPE_MESSAGE;
+
+	ret = v_lport->low_level_func.port_mgr_op.pfn_ll_port_diagnose(
+		(void *)v_lport->fc_port,
+		UNF_PORT_DIAG_PORT_DETAIL, &fw_version);
+	if (ret != RETURN_OK)
+		v_lport->fw_version[0] = '\0';
+	else
+		memcpy(v_lport->fw_version, fw_version.fw_version,
+		       HIFC_VER_LEN);
+
+	unf_cm_get_save_info(v_lport);
+	/* switch sfp to start work */
+	(void)unf_port_switch(v_lport, UNF_TRUE);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_lport_init_lw_fun_op(
+			struct unf_lport_s *v_lport,
+			struct unf_low_level_function_op_s *low_level_op)
+{
+	UNF_CHECK_VALID(0x2235, UNF_TRUE, (v_lport), return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2236, UNF_TRUE, (low_level_op),
+			return UNF_RETURN_ERROR);
+
+	v_lport->port_id = low_level_op->lport_cfg_items.port_id;
+	v_lport->port_name = low_level_op->sys_port_name;
+	v_lport->node_name = low_level_op->sys_node_name;
+	v_lport->options = low_level_op->lport_cfg_items.port_mode;
+	v_lport->en_act_topo = UNF_ACT_TOP_UNKNOWN;
+
+	memcpy(&v_lport->low_level_func, low_level_op,
+	       sizeof(struct unf_low_level_function_op_s));
+
+	return RETURN_OK;
+}
+
+void unf_lport_release_lw_fun_op(struct unf_lport_s *v_lport)
+{
+	UNF_CHECK_VALID(0x2237, UNF_TRUE, v_lport, return);
+
+	memset(&v_lport->low_level_func, 0,
+	       sizeof(struct unf_low_level_function_op_s));
+
+	v_lport->destroy_step = UNF_LPORT_DESTROY_STEP_13_DESTROY_LW_INTERFACE;
+}
+
+struct unf_lport_s *unf_find_lport_by_scsi_host_id(unsigned int scsi_host_id)
+{
+	struct list_head *node = NULL, *next_node = NULL;
+	struct list_head *vp_node = NULL, *next_vp_node = NULL;
+	struct unf_lport_s *lport = NULL;
+	struct unf_lport_s *vport = NULL;
+	unsigned long flags = 0;
+	unsigned long vpool_flags = 0;
+
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_lport_list_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		if (scsi_host_id ==
+		    UNF_GET_SCSI_HOST_ID((lport->host_info.p_scsi_host))) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+
+			return lport;
+		}
+
+		/* support NPIV */
+		if (lport->vport_pool) {
+			spin_lock_irqsave(&lport->vport_pool->vport_pool_lock,
+					  vpool_flags);
+			list_for_each_safe(vp_node, next_vp_node,
+					   &lport->list_vports_head) {
+				vport = list_entry(vp_node, struct unf_lport_s,
+						   entry_vport);
+
+				if (scsi_host_id ==
+				    UNF_GET_SCSI_HOST_ID(vport->host_info.p_scsi_host)) {
+					spin_unlock_irqrestore(
+						&lport->vport_pool->vport_pool_lock,
+						vpool_flags);
+					spin_unlock_irqrestore(
+						&global_lport_mgr.global_lport_list_lock,
+						flags);
+
+					return vport;
+				}
+			}
+			spin_unlock_irqrestore(
+				&lport->vport_pool->vport_pool_lock, vpool_flags);
+		}
+	}
+
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_intergrad_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+
+		if (scsi_host_id ==
+		    UNF_GET_SCSI_HOST_ID(lport->host_info.p_scsi_host)) {
+			spin_unlock_irqrestore(
+				&global_lport_mgr.global_lport_list_lock,
+				flags);
+
+			return lport;
+		}
+
+		/* support NPIV */
+		if (lport->vport_pool) {
+			spin_lock_irqsave(&lport->vport_pool->vport_pool_lock,
+					  vpool_flags);
+			list_for_each_safe(vp_node, next_vp_node,
+					   &lport->list_vports_head) {
+				vport = list_entry(vp_node, struct unf_lport_s,
+						   entry_vport);
+
+				if (scsi_host_id ==
+				    UNF_GET_SCSI_HOST_ID(vport->host_info.p_scsi_host)) {
+					spin_unlock_irqrestore(
+						&lport->vport_pool->vport_pool_lock,
+						vpool_flags);
+					spin_unlock_irqrestore(
+						&global_lport_mgr.global_lport_list_lock,
+						flags);
+
+					return vport;
+				}
+			}
+			spin_unlock_irqrestore(
+				&lport->vport_pool->vport_pool_lock, vpool_flags);
+		}
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_IO_ATT, UNF_WARN,
+		  "[warn]Can not find port by scsi_host_id(0x%x), may be removing",
+		  scsi_host_id);
+
+	return NULL;
+}
+
+unsigned int unf_init_scsi_id_table(struct unf_lport_s *v_lport)
+{
+	struct unf_rport_scsi_id_image_s *rport_scsi_id_image = NULL;
+	struct unf_wwpn_rport_info_s *wwpn_port_info = NULL;
+	unsigned int idx;
+
+	UNF_CHECK_VALID(0x2238, UNF_TRUE, (v_lport),
+			return UNF_RETURN_ERROR);
+
+	rport_scsi_id_image = &v_lport->rport_scsi_table;
+	rport_scsi_id_image->max_scsi_id = UNF_MAX_SCSI_ID;
+
+	/* If the number of remote connections supported by the L_Port is 0,
+	 * an exception occurs
+	 */
+	if (rport_scsi_id_image->max_scsi_id == 0) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Port(0x%x), supported maximum login is zero.",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	rport_scsi_id_image->wwn_rport_info_table =
+		vmalloc(rport_scsi_id_image->max_scsi_id *
+			sizeof(struct unf_wwpn_rport_info_s));
+	if (!rport_scsi_id_image->wwn_rport_info_table) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Port(0x%x) can't allocate SCSI ID Table(0x%x).",
+			  v_lport->port_id, rport_scsi_id_image->max_scsi_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	memset(rport_scsi_id_image->wwn_rport_info_table, 0,
+	       rport_scsi_id_image->max_scsi_id *
+	       sizeof(struct unf_wwpn_rport_info_s));
+
+	wwpn_port_info = rport_scsi_id_image->wwn_rport_info_table;
+
+	for (idx = 0; idx < rport_scsi_id_image->max_scsi_id; idx++) {
+		INIT_DELAYED_WORK(&wwpn_port_info->loss_tmo_work,
+				  unf_sesion_loss_timeout);
+		INIT_LIST_HEAD(&wwpn_port_info->fc_lun_list);
+		wwpn_port_info->lport = v_lport;
+		wwpn_port_info->target_id = INVALID_VALUE32;
+		wwpn_port_info++;
+	}
+
+	spin_lock_init(&rport_scsi_id_image->scsi_image_table_lock);
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Port(0x%x) supported maximum login is %d.",
+		  v_lport->port_id, rport_scsi_id_image->max_scsi_id);
+
+	return RETURN_OK;
+}
+
+void unf_destroy_scsi_id_table(struct unf_lport_s *v_lport)
+{
+	struct unf_rport_scsi_id_image_s *rport_scsi_id_image = NULL;
+	struct unf_wwpn_rport_info_s *wwpn_rport_info = NULL;
+	unsigned int i = 0;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2239, UNF_TRUE, (v_lport), return);
+
+	rport_scsi_id_image = &v_lport->rport_scsi_table;
+	if (rport_scsi_id_image->wwn_rport_info_table) {
+		for (i = 0; i < UNF_MAX_SCSI_ID; i++) {
+			wwpn_rport_info =
+				&rport_scsi_id_image->wwn_rport_info_table[i];
+			UNF_DELAYED_WORK_SYNC(ret, v_lport->port_id,
+					      &wwpn_rport_info->loss_tmo_work,
+					      "loss tmo Timer work");
+			if (wwpn_rport_info->dfx_counter)
+				vfree(wwpn_rport_info->dfx_counter);
+		}
+
+		/* just for pc_lint */
+		if (ret)
+			UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT,
+				  UNF_INFO,
+				  "Port(0x%x) cancel loss tmo work success",
+				  v_lport->port_id);
+
+		vfree(rport_scsi_id_image->wwn_rport_info_table);
+		rport_scsi_id_image->wwn_rport_info_table = NULL;
+	}
+
+	rport_scsi_id_image->max_scsi_id = 0;
+	v_lport->destroy_step = UNF_LPORT_DESTROY_STEP_10_DESTROY_SCSI_TABLE;
+}
+
+static unsigned int unf_lport_init(
+			struct unf_lport_s *v_lport,
+			void *private_data,
+			struct unf_low_level_function_op_s *low_level_op)
+{
+	unsigned int ret = RETURN_OK;
+	int ret_value = RETURN_ERROR_S32;
+	char work_queue_name[16];
+
+	unf_init_portparms(v_lport);
+
+	/* Associating  LPort with FCPort */
+	v_lport->fc_port = private_data;
+
+	/* VpIndx=0 is reserved for Lport, and rootLport points to its own */
+	v_lport->vp_index = 0;
+	v_lport->root_lport = v_lport;
+	v_lport->chip_info = NULL;
+
+	/* Initialize the units related to L_Port and lw func */
+	ret = unf_lport_init_lw_fun_op(v_lport, low_level_op);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) initialize lowlevel function unsuccessful.",
+			  v_lport->port_id);
+
+		return ret;
+	}
+
+	/* Init Linkevent workqueue */
+	ret_value = snprintf(work_queue_name, sizeof(work_queue_name),
+			     "%x_lkq", (unsigned int)v_lport->port_id);
+	UNF_FUNCTION_RETURN_CHECK(ret_value, (int)sizeof(work_queue_name));
+
+	v_lport->link_event_wq = create_singlethread_workqueue(work_queue_name);
+	if (!v_lport->link_event_wq) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Port(0x%x) creat link event work queue failed",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	ret_value = snprintf(work_queue_name, sizeof(work_queue_name),
+			     "%x_xchgwq", (unsigned int)v_lport->port_id);
+	UNF_FUNCTION_RETURN_CHECK(ret_value, (int)sizeof(work_queue_name));
+
+	v_lport->xchg_wq = create_workqueue(work_queue_name);
+	if (!v_lport->xchg_wq) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Port(0x%x) creat Exchg work queue failed",
+			  v_lport->port_id);
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+		return UNF_RETURN_ERROR;
+	}
+	/* scsi table (R_Port) required for initializing INI
+	 * Initialize the scsi id Table table to manage the
+	 * mapping between SCSI ID, WWN, and Rport.
+	 */
+	ret = unf_init_scsi_id_table(v_lport);
+	if (ret != RETURN_OK) {
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+		return ret;
+	}
+
+	/* Initialize the EXCH resource */
+	ret = unf_alloc_xchg_resource(v_lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) can't allocate exchange resource.",
+			  v_lport->port_id);
+
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+		unf_destroy_scsi_id_table(v_lport);
+
+		return ret;
+	}
+
+	/* Initialize the ESGL resource pool used by Lport */
+	ret = unf_init_esgl_pool(v_lport);
+	if (ret != RETURN_OK) {
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+		unf_free_all_xchg_mgr(v_lport);
+		unf_destroy_scsi_id_table(v_lport);
+
+		return ret;
+	}
+	/* Initialize the disc manager under Lport */
+	ret = unf_init_disc_mgr(v_lport);
+	if (ret != RETURN_OK) {
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+		unf_free_esgl_pool(v_lport);
+		unf_free_all_xchg_mgr(v_lport);
+		unf_destroy_scsi_id_table(v_lport);
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) initialize discover manager unsuccessful.",
+			  v_lport->port_id);
+
+		return ret;
+	}
+
+	/* Initialize the LPort manager */
+	ret = unf_init_lport_mgr_temp(v_lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) initialize RPort manager unsuccessful.",
+			  v_lport->port_id);
+
+		goto RELEASE_LPORT;
+	}
+
+	/* Initialize the EXCH manager */
+	ret = unf_init_xchg_mgr_temp(v_lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) initialize exchange manager unsuccessful.",
+			  v_lport->port_id);
+
+		goto RELEASE_LPORT;
+	}
+	/* Initialize the resources required by the event processing center */
+	ret = unf_init_event_center(v_lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) initialize event center unsuccessful.",
+			  v_lport->port_id);
+
+		goto RELEASE_LPORT;
+	}
+	/* Initialize the initialization status of Lport */
+	unf_set_lport_state(v_lport, UNF_LPORT_ST_INITIAL);
+
+	/* Initialize the Lport route test case */
+	ret = unf_init_lport_route(v_lport);
+	if (ret != RETURN_OK) {
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+		(void)unf_event_center_destroy(v_lport);
+		unf_disc_mgr_destroy(v_lport);
+		unf_free_esgl_pool(v_lport);
+		unf_free_all_xchg_mgr(v_lport);
+		unf_destroy_scsi_id_table(v_lport);
+
+		return ret;
+	}
+
+	/* Thesupports the initialization stepof the NPIV */
+	ret = unf_init_vport_pool(v_lport);
+	if (ret != RETURN_OK) {
+		flush_workqueue(v_lport->link_event_wq);
+		destroy_workqueue(v_lport->link_event_wq);
+		v_lport->link_event_wq = NULL;
+
+		flush_workqueue(v_lport->xchg_wq);
+		destroy_workqueue(v_lport->xchg_wq);
+		v_lport->xchg_wq = NULL;
+
+		unf_destroy_lport_route(v_lport);
+		(void)unf_event_center_destroy(v_lport);
+		unf_disc_mgr_destroy(v_lport);
+		unf_free_esgl_pool(v_lport);
+		unf_free_all_xchg_mgr(v_lport);
+		unf_destroy_scsi_id_table(v_lport);
+
+		return ret;
+	}
+
+	/* qualifier rport callback */
+	v_lport->pfn_unf_qualify_rport = unf_rport_set_qualifier_key_reuse;
+	v_lport->pfn_unf_tmf_abnormal_recovery =
+		unf_tmf_timeout_recovery_special;
+	return RETURN_OK;
+RELEASE_LPORT:
+	flush_workqueue(v_lport->link_event_wq);
+	destroy_workqueue(v_lport->link_event_wq);
+	v_lport->link_event_wq = NULL;
+
+	flush_workqueue(v_lport->xchg_wq);
+	destroy_workqueue(v_lport->xchg_wq);
+	v_lport->xchg_wq = NULL;
+
+	unf_disc_mgr_destroy(v_lport);
+	unf_free_esgl_pool(v_lport);
+	unf_free_all_xchg_mgr(v_lport);
+	unf_destroy_scsi_id_table(v_lport);
+	return ret;
+}
+
+static void unf_destroy_card_thread(struct unf_lport_s *v_lport)
+{
+	struct unf_event_mgr *event_mgr = NULL;
+	struct unf_chip_manage_info_s *chip_info = NULL;
+	struct list_head *list = NULL;
+	struct list_head *list_tmp = NULL;
+	struct unf_cm_event_report *event_node = NULL;
+	unsigned long event_lock_flag = 0;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2249, UNF_TRUE, (v_lport), return);
+
+	/* If the thread cannot be found, apply for a new thread. */
+	chip_info = v_lport->chip_info;
+	if (!chip_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x) has no event thread.", v_lport->port_id);
+		return;
+	}
+	event_mgr = &v_lport->event_mgr;
+
+	spin_lock_irqsave(&chip_info->chip_event_list_lock, flag);
+	if (!list_empty(&chip_info->list_head)) {
+		list_for_each_safe(list, list_tmp, &chip_info->list_head) {
+			event_node = list_entry(list,
+						struct unf_cm_event_report,
+						list_entry);
+
+			/* The LPort under the global event node is null. */
+			if (v_lport == event_node->lport) {
+				list_del_init(&event_node->list_entry);
+				if (event_node->event_asy_flag ==
+				    UNF_EVENT_SYN) {
+					event_node->result = UNF_RETURN_ERROR;
+					complete(&event_node->event_comp);
+				}
+
+				spin_lock_irqsave(&event_mgr->port_event_lock,
+						  event_lock_flag);
+				event_mgr->free_event_count++;
+				list_add_tail(&event_node->list_entry,
+					      &event_mgr->list_free_event);
+				spin_unlock_irqrestore(
+					&event_mgr->port_event_lock,
+					event_lock_flag);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&chip_info->chip_event_list_lock, flag);
+
+	/* If the number of events introduced by the event thread is 0,
+	 * it indicates that no interface is used. In this case, thread
+	 * resources need to be consumed
+	 */
+	if (atomic_dec_and_test(&chip_info->ref_cnt)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x) destroy slot(%u) chip(0x%x) event thread succeed.",
+			  v_lport->port_id, chip_info->slot_id,
+			  chip_info->chip_id);
+		chip_info->b_thread_exit = UNF_TRUE;
+		wake_up_process(chip_info->data_thread);
+		kthread_stop(chip_info->data_thread);
+		chip_info->data_thread = NULL;
+
+		spin_lock_irqsave(&card_thread_mgr.global_card_list_lock, flag);
+		list_del_init(&chip_info->list_chip_thread_entry);
+		card_thread_mgr.card_sum--;
+		spin_unlock_irqrestore(&card_thread_mgr.global_card_list_lock,
+				       flag);
+
+		vfree(chip_info);
+	}
+
+	v_lport->chip_info = NULL;
+}
+
+unsigned int unf_lport_deinit(struct unf_lport_s *v_lport)
+{
+	UNF_CHECK_VALID(0x2246, UNF_TRUE, (v_lport), return UNF_RETURN_ERROR);
+
+	/* If the card is unloaded normally, the thread is stopped once.
+	 * The problem does not occur if you stop the thread again.
+	 */
+	unf_destroy_lport_route(v_lport);
+
+	/* minus the reference count of the card event;
+	 * the last port deletes the card thread
+	 */
+	unf_destroy_card_thread(v_lport);
+	flush_workqueue(v_lport->link_event_wq);
+	destroy_workqueue(v_lport->link_event_wq);
+	v_lport->link_event_wq = NULL;
+
+	/* Release Event Processing Center */
+	(void)unf_event_center_destroy(v_lport);
+
+	/* Release the Vport resource pool */
+	unf_free_vport_pool(v_lport);
+
+	/* Destroying the Xchg Manager */
+	unf_xchg_mgr_destroy(v_lport);
+
+	/* Release Esgl pool */
+	unf_free_esgl_pool(v_lport);
+
+	/* reliability review :Disc should release after Xchg.
+	 * Destroy the disc manager
+	 */
+	unf_disc_mgr_destroy(v_lport);
+
+	/* Release Xchg Mg template */
+	unf_release_xchg_mgr_temp(v_lport);
+
+	/* Release the Lport Mg template */
+	unf_release_lport_mgr_temp(v_lport);
+
+	/* Destroy the ScsiId Table */
+	unf_destroy_scsi_id_table(v_lport);
+
+	flush_workqueue(v_lport->xchg_wq);
+	destroy_workqueue(v_lport->xchg_wq);
+	v_lport->xchg_wq = NULL;
+
+	/* Deregister SCSI Host */
+	unf_unregister_scsi_host(v_lport);
+
+	/* Releasing the lw Interface Template */
+	unf_lport_release_lw_fun_op(v_lport);
+	v_lport->fc_port = NULL;
+	return RETURN_OK;
+}
+
+static int unf_card_event_process(void *v_arg)
+{
+	struct list_head *node = NULL;
+	struct unf_cm_event_report *event_node = NULL;
+	unsigned long flags = 0;
+	struct unf_chip_manage_info_s *chip_info =
+		(struct unf_chip_manage_info_s *)v_arg;
+
+	UNF_REFERNCE_VAR(v_arg);
+
+	set_user_nice(current, 4);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "Slot(%u) chip(0x%x) enter event thread.",
+		  chip_info->slot_id, chip_info->chip_id);
+
+	while (!kthread_should_stop()) {
+		if (chip_info->b_thread_exit == UNF_TRUE)
+			break;
+
+		spin_lock_irqsave(&chip_info->chip_event_list_lock, flags);
+		if (list_empty(&chip_info->list_head) == UNF_TRUE) {
+			spin_unlock_irqrestore(&chip_info->chip_event_list_lock,
+					       flags);
+
+			set_current_state(TASK_INTERRUPTIBLE);
+			schedule_timeout((long)msecs_to_jiffies(1000));
+		} else {
+			node = (&chip_info->list_head)->next;
+			list_del_init(node);
+			chip_info->list_num--;
+			event_node = list_entry(node,
+						struct unf_cm_event_report,
+						list_entry);
+			spin_unlock_irqrestore(&chip_info->chip_event_list_lock,
+					       flags);
+			unf_handle_event(event_node);
+		}
+	}
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EVENT, UNF_MAJOR,
+		  "Slot(%u) chip(0x%x) exit event thread.",
+		  chip_info->slot_id, chip_info->chip_id);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_creat_chip_thread(struct unf_lport_s *v_lport)
+{
+	unsigned long flag = 0;
+	struct unf_chip_manage_info_s *chip_info = NULL;
+
+	UNF_CHECK_VALID(0x2250, UNF_TRUE, (v_lport), return UNF_RETURN_ERROR);
+
+	/* If the thread cannot be found, apply for a new thread. */
+	chip_info = (struct unf_chip_manage_info_s *)vmalloc(
+				sizeof(struct unf_chip_manage_info_s));
+	if (!chip_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "Port(0x%x) cannot allocate thread memory.",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	memset(chip_info, 0, sizeof(struct unf_chip_manage_info_s));
+
+	memcpy(&chip_info->chip_info, &v_lport->low_level_func.chip_info,
+	       sizeof(struct unf_chip_info_s));
+	chip_info->slot_id =
+		UNF_GET_BOARD_TYPE_AND_SLOT_ID_BY_PORTID(v_lport->port_id);
+	chip_info->chip_id = v_lport->low_level_func.chip_id;
+	chip_info->list_num = 0;
+	chip_info->sfp_9545_fault = UNF_FALSE;
+	chip_info->sfp_power_fault = UNF_FALSE;
+	atomic_set(&chip_info->ref_cnt, 1);
+	atomic_set(&chip_info->card_loop_test_flag, UNF_FALSE);
+	spin_lock_init(&chip_info->card_loop_back_state_lock);
+	INIT_LIST_HEAD(&chip_info->list_head);
+	spin_lock_init(&chip_info->chip_event_list_lock);
+
+	chip_info->b_thread_exit = UNF_FALSE;
+	chip_info->data_thread =
+		kthread_create(unf_card_event_process, chip_info,
+			       "%x_et", v_lport->port_id);
+
+	if (IS_ERR(chip_info->data_thread) ||
+	    (!chip_info->data_thread)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x) creat event thread(0x%p) unsuccessful.",
+			  v_lport->port_id, chip_info->data_thread);
+
+		vfree(chip_info);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	v_lport->chip_info = chip_info;
+	wake_up_process(chip_info->data_thread);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "Port(0x%x) creat slot(%u) chip(0x%x) event thread succeed.",
+		  v_lport->port_id, chip_info->slot_id, chip_info->chip_id);
+
+	spin_lock_irqsave(&card_thread_mgr.global_card_list_lock, flag);
+	list_add_tail(&chip_info->list_chip_thread_entry,
+		      &card_thread_mgr.list_card_list_head);
+	card_thread_mgr.card_sum++;
+	spin_unlock_irqrestore(&card_thread_mgr.global_card_list_lock, flag);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_find_chip_thread(struct unf_lport_s *v_lport)
+{
+	unsigned long flag = 0;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	struct unf_chip_manage_info_s *chip_info = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	spin_lock_irqsave(&card_thread_mgr.global_card_list_lock, flag);
+	list_for_each_safe(node, next_node,
+			   &card_thread_mgr.list_card_list_head) {
+		chip_info = list_entry(node, struct unf_chip_manage_info_s,
+				       list_chip_thread_entry);
+
+		if ((chip_info->chip_id == v_lport->low_level_func.chip_id) &&
+		    (chip_info->slot_id == UNF_GET_BOARD_TYPE_AND_SLOT_ID_BY_PORTID(v_lport->port_id))) {
+			atomic_inc(&chip_info->ref_cnt);
+			v_lport->chip_info = chip_info;
+
+			UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT,
+				  UNF_MAJOR,
+				  "Port(0x%x) find card(%u) chip(0x%x) event thread succeed.",
+				  v_lport->port_id, chip_info->slot_id,
+				  chip_info->chip_id);
+
+			spin_unlock_irqrestore(
+				&card_thread_mgr.global_card_list_lock, flag);
+
+			return RETURN_OK;
+		}
+	}
+	spin_unlock_irqrestore(&card_thread_mgr.global_card_list_lock, flag);
+
+	ret = unf_creat_chip_thread(v_lport);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) creat event thread unsuccessful. Destroy LPort.",
+			  v_lport->port_id);
+		return UNF_RETURN_ERROR;
+	} else {
+		return RETURN_OK;
+	}
+}
+
+static int unf_cm_get_mac_adr(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_chip_info_argout *chp_info = NULL;
+
+	UNF_CHECK_VALID(0x2398, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2398, UNF_TRUE, argc_out, return UNF_RETURN_ERROR);
+
+	lport = (struct unf_lport_s *)argc_in;
+	chp_info = (struct unf_get_chip_info_argout *)argc_out;
+
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  " LPort is null.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		lport->fc_port,
+		UNF_PORT_CFG_GET_MAC_ADDR, chp_info) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x) get .", lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	return RETURN_OK;
+}
+
+static unsigned int unf_build_lport_wwn(struct unf_lport_s *v_lport)
+{
+	struct unf_get_chip_info_argout v_wwn = { 0 };
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2403, UNF_TRUE, (v_lport), return UNF_RETURN_ERROR);
+
+	ret = (unsigned int)unf_send_event(v_lport->port_id,
+					   UNF_EVENT_SYN,
+					   (void *)v_lport,
+					   (void *)&v_wwn,
+					   unf_cm_get_mac_adr);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "UNF_BuildSysWwn SendEvent(UNF_PortGetMacAdr) fail.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* save card mode: UNF_FC_SERVER_BOARD_32_G(6):32G;
+	 * UNF_FC_SERVER_BOARD_16_G(7):16G MODE
+	 */
+	v_lport->card_type = v_wwn.board_type;
+
+	/* update port max speed */
+	if (v_wwn.board_type == UNF_FC_SERVER_BOARD_32_G)
+		v_lport->low_level_func.fc_ser_max_speed = UNF_PORT_SPEED_32_G;
+	else if (v_wwn.board_type == UNF_FC_SERVER_BOARD_16_G)
+		v_lport->low_level_func.fc_ser_max_speed = UNF_PORT_SPEED_16_G;
+	else if (v_wwn.board_type == UNF_FC_SERVER_BOARD_8_G)
+		v_lport->low_level_func.fc_ser_max_speed = UNF_PORT_SPEED_8_G;
+	else
+		v_lport->low_level_func.fc_ser_max_speed = UNF_PORT_SPEED_32_G;
+
+	return RETURN_OK;
+}
+
+void *unf_lport_create_and_init(
+			void *private_data,
+			struct unf_low_level_function_op_s *low_level_op)
+{
+	struct unf_lport_s *lport = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	if (!private_data) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Private Data is NULL");
+
+		return NULL;
+	}
+	if (!low_level_op) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LowLevel port(0x%p) function is NULL", private_data);
+
+		return NULL;
+	}
+
+	/* 1. vmalloc & Memset L_Port */
+	lport = vmalloc(sizeof(struct unf_lport_s));
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "Alloc LPort memory failed.");
+
+		return NULL;
+	}
+	memset(lport, 0, sizeof(struct unf_lport_s));
+
+	/* 2. L_Port Init */
+	if (unf_lport_init(lport, private_data, low_level_op) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort initialize unsuccessful.");
+
+		vfree(lport);
+
+		return NULL;
+	}
+
+	/* 4. Get or Create Chip Thread Chip_ID & Slot_ID */
+	ret = unf_find_chip_thread(lport);
+	if (ret != RETURN_OK) {
+		(void)unf_lport_deinit(lport);
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%x) Find Chip thread unsuccessful. Destroy LPort.",
+			  lport->port_id);
+
+		vfree(lport);
+		return NULL;
+	}
+
+	/* 5. Registers with in the port management global linked list */
+	unf_port_register(lport);
+	/* update WWN */
+	if (unf_build_lport_wwn(lport) != RETURN_OK) {
+		unf_port_unregister(lport);
+		(void)unf_lport_deinit(lport);
+		vfree(lport);
+		return NULL;
+	}
+
+	unf_init_link_lose_tmo(lport);
+
+	/* initialize Scsi Host */
+	if (unf_register_scsi_host(lport) != RETURN_OK) {
+		unf_port_unregister(lport);
+		(void)unf_lport_deinit(lport);
+		vfree(lport);
+		return NULL;
+	}
+
+	/* 7. Here, start work now */
+	if (global_lport_mgr.b_start_work == UNF_TRUE) {
+		if (unf_port_start_work(lport) != RETURN_OK) {
+			unf_port_unregister(lport);
+
+			(void)unf_lport_deinit(lport);
+
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT,
+				  UNF_WARN,
+				  "[warn]Port(0x%x) start work failed",
+				  lport->port_id);
+			vfree(lport);
+			return NULL;
+		}
+	}
+
+	UNF_REFERNCE_VAR(lport);
+	return lport;
+}
+
+static int unf_lport_destroy(void *v_lport, void *v_arg_out)
+{
+	struct unf_lport_s *lport = NULL;
+	unsigned long flags = 0;
+
+	if (!v_lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort is NULL.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_REFERNCE_VAR(v_arg_out);
+
+	lport = (struct unf_lport_s *)v_lport;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+		  "Destroy LPort(0x%p), ID(0x%x).",
+		  lport, lport->port_id);
+
+	/* NPIV Ensure that all Vport are deleted */
+	unf_destroy_all_vports(lport);
+
+	lport->destroy_step = UNF_LPORT_DESTROY_STEP_1_REPORT_PORT_OUT;
+
+	(void)unf_lport_deinit(v_lport);
+
+	/* The port is removed from the destroy linked list.
+	 * The next step is to release the memory
+	 */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_del(&lport->entry_lport);
+
+	/* If the port has dirty memory, the port is mounted to the
+	 * linked list of dirty ports
+	 */
+	if (lport->dirty_flag)
+		list_add_tail(&lport->entry_lport,
+			      &global_lport_mgr.list_dirty_head);
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+			       flags);
+
+	if (lport->lport_free_completion) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Complete LPort(0x%p), port ID(0x%x)'s Free Completion.",
+			  lport, lport->port_id);
+		complete(lport->lport_free_completion);
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "LPort(0x%p), port ID(0x%x)'s Free Completion is NULL.",
+			  lport, lport->port_id);
+		dump_stack();
+	}
+
+	return RETURN_OK;
+}
+
+unsigned int unf_lport_refinc(struct unf_lport_s *v_lport)
+{
+	unsigned long lport_flags = 0;
+
+	UNF_CHECK_VALID(0x2208, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, lport_flags);
+	if (atomic_read(&v_lport->lport_ref_cnt) <= 0) {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock,
+				       lport_flags);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	atomic_inc(&v_lport->lport_ref_cnt);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "[info]Port(0x%p) port_id(0x%x) reference count is %d",
+		  v_lport, v_lport->port_id,
+		  atomic_read(&v_lport->lport_ref_cnt));
+
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, lport_flags);
+
+	return RETURN_OK;
+}
+
+void unf_lport_ref_dec(struct unf_lport_s *v_lport)
+{
+	unsigned long flags = 0;
+	unsigned long lport_flags = 0;
+
+	UNF_CHECK_VALID(0x2209, UNF_TRUE, v_lport, return);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "LPort(0x%p), port ID(0x%x), reference count is %d.",
+		  v_lport, v_lport->port_id,
+		  atomic_read(&v_lport->lport_ref_cnt));
+
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	spin_lock_irqsave(&v_lport->lport_state_lock, lport_flags);
+	if (atomic_dec_and_test(&v_lport->lport_ref_cnt)) {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, lport_flags);
+		list_del(&v_lport->entry_lport);
+		global_lport_mgr.lport_sum--;
+
+		/* attaches the lport to the destroy linked list for dfx */
+		list_add_tail(&v_lport->entry_lport,
+			      &global_lport_mgr.list_destroy_head);
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+
+		(void)unf_lport_destroy(v_lport, NULL);
+	} else {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, lport_flags);
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+	}
+}
+
+static int unf_reset_port(void *v_arg_in, void *v_arg_out)
+{
+	struct unf_reset_port_argin *arg_in =
+		(struct unf_reset_port_argin *)v_arg_in;
+	struct unf_lport_s *lport = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+	enum unf_port_config_state_e port_state = UNF_PORT_CONFIG_STATE_RESET;
+
+	UNF_REFERNCE_VAR(v_arg_out);
+	UNF_CHECK_VALID(0x2262, UNF_TRUE, arg_in, return UNF_RETURN_ERROR);
+
+	lport = unf_find_lport_by_port_id(arg_in->port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Not find LPort(0x%x).", arg_in->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* reset port */
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->en_act_topo = UNF_ACT_TOP_UNKNOWN;
+	lport->speed = UNF_PORT_SPEED_UNKNOWN;
+	lport->fabric_node_name = 0;
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_PORT_STATE, (void *)&port_state);
+
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Reset port(0x%x) unsuccessful.", lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	return RETURN_OK;
+}
+
+static int unf_sfp_switch(unsigned int v_port_id, int v_turn_on)
+{
+	struct unf_lport_s *lport = NULL;
+	int turn_on = v_turn_on;
+	int ret = UNF_RETURN_ERROR;
+	unsigned long flag = 0;
+
+	if (global_lport_mgr.b_start_work == UNF_FALSE) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) not start work, ignored command:turn %s.",
+			  v_port_id, (v_turn_on == UNF_TRUE) ? "ON" : "OFF");
+
+		return RETURN_OK;
+	}
+
+	lport = unf_find_lport_by_port_id(v_port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Not find LPort(0x%x).", v_port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	spin_lock_irqsave(&lport->lport_state_lock, flag);
+	if (lport->en_start_work_state != UNF_START_WORK_COMPLETE) {
+		spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]LPort(0x%x) not start work, ignored command:turn %s.",
+			  v_port_id, (v_turn_on == UNF_TRUE) ? "ON" : "OFF");
+
+		return RETURN_OK;
+	}
+	spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x)'s corresponding function is NULL.",
+			  v_port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	ret = (int)lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+			lport->fc_port,
+			UNF_PORT_CFG_SET_SFP_SWITCH,
+			(void *)&turn_on);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) switch SFP+ %s unsuccessful.",
+			  v_port_id, v_turn_on ? "On" : "Off");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->b_switch_state = (enum int_e)turn_on;
+
+	return RETURN_OK;
+}
+
+static int unf_sfp_switch_event(void *v_argc_in, void *v_argc_out)
+{
+	struct unf_set_sfp_argin *in = (struct unf_set_sfp_argin *)v_argc_in;
+
+	UNF_REFERNCE_VAR(v_argc_out);
+	UNF_CHECK_VALID(0x2267, UNF_TRUE, v_argc_in, return UNF_RETURN_ERROR);
+
+	return unf_sfp_switch(in->port_id, in->turn_on);
+}
+
+int unf_cm_sfp_switch(unsigned int v_port_id, int v_bturn_on)
+{
+	struct unf_set_sfp_argin in = { 0 };
+
+	in.port_id = v_port_id;
+	in.turn_on = v_bturn_on;
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&in,
+			      (void *)NULL, unf_sfp_switch_event);
+}
+
+static int unf_get_port_speed(void *v_argc_in, void *v_argc_out)
+{
+	unsigned int *speed = (unsigned int *)v_argc_out;
+	struct unf_low_level_port_mgr_op_s *port_mgr = NULL;
+	struct unf_lport_s *lport = NULL;
+	int ret = 0;
+	unsigned int port_id = *(unsigned int *)v_argc_in;
+
+	UNF_CHECK_VALID(0x2268, UNF_TRUE, v_argc_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2269, UNF_TRUE, v_argc_out, return UNF_RETURN_ERROR);
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Cannot Find LPort by (0x%x).", port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	port_mgr = &lport->low_level_func.port_mgr_op;
+
+	if (!port_mgr->pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (lport->link_up == UNF_PORT_LINK_UP)
+		ret = (int)port_mgr->pfn_ll_port_config_get(lport->fc_port,
+			UNF_PORT_CFG_GET_SPEED_ACT, (void *)speed);
+	else
+		*speed = UNF_PORT_SPEED_UNKNOWN;
+
+	return ret;
+}
+
+static int unf_cm_get_port_speed(unsigned int v_port_id, unsigned int *v_speed)
+{
+	UNF_CHECK_VALID(0x2270, UNF_TRUE, v_speed, return UNF_RETURN_ERROR);
+
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&v_port_id,
+			      (void *)v_speed, unf_get_port_speed);
+}
+
+static int unf_set_port_speed(void *v_argc_in, void *v_argc_out)
+{
+	unsigned int ret = RETURN_OK;
+	struct unf_set_speed_argin *in =
+		(struct unf_set_speed_argin *)v_argc_in;
+	struct unf_lport_s *lport = NULL;
+
+	UNF_REFERNCE_VAR(v_argc_out);
+	UNF_CHECK_VALID(0x2271, UNF_TRUE, v_argc_in, return UNF_RETURN_ERROR);
+	lport = unf_find_lport_by_port_id(in->port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Cannot Find LPort by (0x%x).", in->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  in->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_SPEED, (void *)in->speed);
+
+	return (int)ret;
+}
+
+int unf_cm_set_port_speed(unsigned int v_port_id, unsigned int *v_speed)
+{
+	struct unf_set_speed_argin in = { 0 };
+
+	in.port_id = v_port_id;
+	in.speed = v_speed;
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&in,
+			      (void *)NULL, unf_set_port_speed);
+}
+
+static int unf_get_port_topo(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_topo_argout *out = NULL;
+	struct unf_low_level_port_mgr_op_s *port_mgr = NULL;
+	int ret = UNF_TRUE;
+	unsigned int port_id = 0;
+
+	UNF_CHECK_VALID(0x2283, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2284, UNF_TRUE, argc_out, return UNF_RETURN_ERROR);
+	port_id = *(unsigned int *)argc_in;
+	out = (struct unf_get_topo_argout *)argc_out;
+
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Not find LPort(0x%x).", port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	port_mgr = &lport->low_level_func.port_mgr_op;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			port_mgr->pfn_ll_port_config_get,
+			return UNF_RETURN_ERROR);
+
+	if (lport->link_up == UNF_PORT_LINK_UP) {
+		ret = (int)port_mgr->pfn_ll_port_config_get(lport->fc_port,
+			UNF_PORT_CFG_GET_TOPO_ACT, (void *)out->en_act_topo);
+		if (ret != RETURN_OK)
+			return ret;
+
+	} else {
+		*out->en_act_topo = UNF_ACT_TOP_UNKNOWN;
+	}
+
+	ret = (int)port_mgr->pfn_ll_port_config_get(lport->fc_port,
+		UNF_PORT_CFG_GET_TOPO_CFG, (void *)out->topo_cfg);
+
+	return ret;
+}
+
+int unf_cm_get_port_topo(unsigned int v_port_id, unsigned int *v_topo_cfg,
+			 enum unf_act_topo_e *v_en_act_topo)
+{
+	struct unf_get_topo_argout out = { 0 };
+
+	UNF_CHECK_VALID(0x2286, UNF_TRUE, v_topo_cfg, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2287, UNF_TRUE, v_en_act_topo,
+			return UNF_RETURN_ERROR);
+
+	out.en_act_topo = v_en_act_topo;
+	out.topo_cfg = v_topo_cfg;
+
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&v_port_id,
+			      (void *)&out, unf_get_port_topo);
+}
+
+static int unf_set_port_topo(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_set_topo_argin *in = NULL;
+	enum int_e *b_arg_out = (enum int_e *)argc_out;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2257, UNF_TRUE, argc_out, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2288, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	in = (struct unf_set_topo_argin *)argc_in;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			(in->topo == UNF_TOP_LOOP_MASK) ||
+			(in->topo == UNF_TOP_P2P_MASK) ||
+			(in->topo == UNF_TOP_AUTO_MASK),
+			return UNF_RETURN_ERROR);
+
+	lport = unf_find_lport_by_port_id(in->port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Not find LPort(0x%x).", in->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_CHECK_VALID(
+		INVALID_VALUE32, UNF_TRUE,
+		lport->low_level_func.port_mgr_op.pfn_ll_port_config_set,
+		return UNF_RETURN_ERROR);
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_TOPO, (void *)&in->topo);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Can't set port topology.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->low_level_func.lport_cfg_items.port_topology = in->topo;
+	*b_arg_out = lport->b_switch_state;
+
+	return RETURN_OK;
+}
+
+int unf_cm_set_port_topo(unsigned int v_port_id, unsigned int v_topo)
+{
+	struct unf_set_topo_argin in = { 0 };
+	int ret = UNF_RETURN_ERROR;
+	enum int_e b_switch_state = UNF_FALSE;
+
+	in.port_id = v_port_id;
+	in.topo = v_topo;
+
+	ret = unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&in,
+			     (void *)&b_switch_state, unf_set_port_topo);
+
+	return ret;
+}
+
+int unf_set_port_bbscn(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_set_bbscn_argin *in = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_REFERNCE_VAR(argc_out);
+	UNF_CHECK_VALID(0x2300, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	in = (struct unf_set_bbscn_argin *)argc_in;
+
+	lport = unf_find_lport_by_port_id(in->port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Not find LPort(0x%x).", in->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_CHECK_VALID(
+		INVALID_VALUE32, UNF_TRUE,
+		lport->low_level_func.port_mgr_op.pfn_ll_port_config_set,
+		return UNF_RETURN_ERROR);
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_BBSCN, (void *)&in->bb_scn);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Cannot set port BB_SC_N.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* update bbsn cfg to Lport */
+	lport->low_level_func.lport_cfg_items.bb_scn = in->bb_scn;
+
+	return RETURN_OK;
+}
+
+int unf_cm_set_port_bbscn(unsigned int v_port_id, unsigned int v_bbscn)
+{
+	struct unf_set_bbscn_argin in = { 0 };
+
+	in.port_id = v_port_id;
+	in.bb_scn = v_bbscn;
+
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&in,
+			      (void *)NULL, unf_set_port_bbscn);
+}
+
+unsigned int unf_get_error_code_sum(struct unf_lport_s *v_lport,
+				    struct unf_err_code_s *v_fc_err_code)
+{
+	struct unf_low_level_port_mgr_op_s *port_mgr = NULL;
+	struct unf_lport_s *lport = v_lport;
+	unsigned int ret = UNF_RETURN_ERROR;
+	struct unf_err_code_s fc_err_code;
+
+	UNF_CHECK_VALID(0x2328, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2329, UNF_TRUE, v_fc_err_code,
+			return UNF_RETURN_ERROR);
+
+	memset(&fc_err_code, 0, sizeof(struct unf_err_code_s));
+
+	port_mgr = &lport->low_level_func.port_mgr_op;
+	if (!port_mgr->pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	ret = port_mgr->pfn_ll_port_config_get((void *)lport->fc_port,
+		UNF_PORT_CFG_GET_LESB_THEN_CLR, (void *)&fc_err_code);
+	if (ret != RETURN_OK)
+		return UNF_RETURN_ERROR;
+
+	if (lport->link_up != UNF_PORT_LINK_UP) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_INFO,
+			  "LPort(0x%x) is not link up.", lport->port_id);
+		memcpy(v_fc_err_code, &lport->err_code_sum,
+		       sizeof(struct unf_err_code_s));
+
+		return RETURN_OK;
+	}
+
+	lport->err_code_sum.bad_rx_char_count += fc_err_code.bad_rx_char_count;
+	lport->err_code_sum.link_fail_count += fc_err_code.link_fail_count;
+	lport->err_code_sum.loss_of_signal_count +=
+		fc_err_code.loss_of_signal_count;
+	lport->err_code_sum.loss_of_sync_count +=
+		fc_err_code.loss_of_sync_count;
+	lport->err_code_sum.proto_error_count += fc_err_code.proto_error_count;
+
+	lport->err_code_sum.rx_eo_fa_count = fc_err_code.rx_eo_fa_count;
+	lport->err_code_sum.dis_frame_count = fc_err_code.dis_frame_count;
+	lport->err_code_sum.bad_crc_count = fc_err_code.bad_crc_count;
+
+	memcpy(v_fc_err_code, &lport->err_code_sum,
+	       sizeof(struct unf_err_code_s));
+
+	return RETURN_OK;
+}
+
+static int unf_clear_port_error_code_sum(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	unsigned int port_id = 0;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2331, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(argc_out);
+
+	port_id = *(unsigned int *)argc_in;
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Cannot find LPort(0x%x).", port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		(void *)lport->fc_port,
+		UNF_PORT_CFG_CLR_LESB, NULL);
+	if (ret != RETURN_OK)
+		return UNF_RETURN_ERROR;
+
+	memset(&lport->err_code_sum, 0, sizeof(struct unf_err_code_s));
+
+	return RETURN_OK;
+}
+
+int unf_cm_clear_port_error_code_sum(unsigned int v_port_id)
+{
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&v_port_id,
+			      (void *)NULL, unf_clear_port_error_code_sum);
+}
+
+static int unf_update_lport_sfp_info(struct unf_lport_s *v_lport,
+				     enum unf_port_config_get_op_e v_type)
+{
+	struct unf_lport_s *lport = NULL;
+	int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2332, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	lport = v_lport;
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	ret = (int)(lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		(void *)lport->fc_port,
+		v_type, (void *)&lport->sfp_info));
+
+	return ret;
+}
+
+static int unf_translate_sfp_status(struct unf_lport_s *v_lport,
+				    struct unf_get_sfp_argout *v_out)
+{
+	struct unf_lport_s *lport = v_lport;
+	int ret = UNF_RETURN_ERROR;
+
+	switch (lport->sfp_info.status) {
+	case UNF_SFP_PRESENT_FAIL:
+		*v_out->status = DRV_CABLE_CONNECTOR_NONE;
+		ret = RETURN_OK;
+		break;
+	case UNF_SFP_POWER_FAIL:
+		*v_out->status = DRV_CABLE_CONNECTOR_INVALID;
+		ret = RETURN_OK;
+		break;
+	case UNF_9545_FAIL:
+		*v_out->status = DRV_CABLE_CONNECTOR_INVALID;
+		ret = RETURN_OK;
+		break;
+	default:
+		*v_out->status = DRV_CABLE_CONNECTOR_BUTT;
+		ret = UNF_RETURN_ERROR;
+		break;
+	}
+
+	return ret;
+}
+
+static void unf_record_chip_fault(struct unf_lport_s *v_lport)
+{
+#define UNF_CHIP_FAULT_MAX_CHECK_TIME 3
+
+	if (v_lport->sfp_info.status == UNF_9545_FAIL) {
+		/* If there are 9545 fault,explain that the sfp is power on,
+		 * and reset sfp_power_fault_count
+		 */
+		v_lport->sfp_power_fault_count = 0;
+
+		if (v_lport->sfp_9545_fault_count <
+		    UNF_CHIP_FAULT_MAX_CHECK_TIME) {
+			v_lport->sfp_9545_fault_count++;
+		} else {
+			v_lport->chip_info->sfp_9545_fault = UNF_TRUE;
+			v_lport->sfp_9545_fault_count = 0;
+		}
+	} else if (v_lport->sfp_info.status == UNF_SFP_POWER_FAIL) {
+		if (v_lport->sfp_power_fault_count <
+		    UNF_CHIP_FAULT_MAX_CHECK_TIME) {
+			v_lport->sfp_power_fault_count++;
+		} else {
+			v_lport->chip_info->sfp_power_fault = UNF_TRUE;
+			v_lport->sfp_power_fault_count = 0;
+		}
+	}
+}
+
+int unf_check_sfp_tx_fault(struct unf_lport_s *v_lport,
+			   struct unf_sfp_info_s *v_sfp_info)
+{
+	/* 24 hours ms(24*60*60*1000) */
+#define UNF_SFP_TXFALT_RECOVER_INTERVEL 86400000
+
+	struct unf_sfp_info_s *sfp_info = NULL;
+	struct unf_lport_s *lport = NULL;
+
+	sfp_info = v_sfp_info;
+	lport = v_lport;
+
+	if (sfp_info->sfp_info_a2.diag.status_ctrl.tx_fault_state == 0)
+		return RETURN_OK;
+
+	/* Repair conditions:
+	 * 1 port linkdown;
+	 * 2 from the last repair more than 24 hours;
+	 * 3 sfp is on
+	 */
+	if ((lport->link_up == UNF_PORT_LINK_DOWN) &&
+	    (lport->b_switch_state) &&
+	    ((lport->last_tx_fault_jif == 0) ||
+	     (jiffies_to_msecs(jiffies - lport->last_tx_fault_jif) >
+	      UNF_SFP_TXFALT_RECOVER_INTERVEL))) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "LPort(0x%x) stat(0x%x) jiff(%ld) lastjiff(%llu) Ctrl(0x%x) TxFault set 1.",
+			  lport->port_id, lport->link_up, jiffies,
+			  lport->last_tx_fault_jif,
+			  *((unsigned char *)
+			  &sfp_info->sfp_info_a2.diag.status_ctrl));
+
+		lport->last_tx_fault_jif = jiffies;
+		(void)unf_sfp_switch(lport->port_id, UNF_FALSE);
+		msleep(100);
+
+		/* Around quickly switch port FW state error problem */
+		(void)unf_sfp_switch(lport->port_id, UNF_TRUE);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	return RETURN_OK;
+}
+
+static int unf_get_sfp_info(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_sfp_argout *out = NULL;
+	unsigned int port_id = 0;
+	int ret = RETURN_OK;
+
+	UNF_CHECK_VALID(0x2333, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2334, UNF_TRUE, argc_out, return UNF_RETURN_ERROR);
+
+	port_id = *(unsigned int *)argc_in;
+	out = (struct unf_get_sfp_argout *)argc_out;
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Cannot find LPort(0x%x).", port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->sfp_info.status = 0;
+
+	ret = unf_update_lport_sfp_info(lport, UNF_PORT_CFG_GET_SFP_INFO);
+
+	if (ret == RETURN_OK) {
+		lport->sfp_power_fault_count = 0;
+		lport->sfp_9545_fault_count = 0;
+		*out->status = DRV_CABLE_CONNECTOR_OPTICAL;
+		if (unf_check_sfp_tx_fault(
+			lport,
+			&lport->sfp_info.sfp_eeprom_info.sfp_info) ==
+		    UNF_RETURN_ERROR) {
+			return UNF_RETURN_ERROR;
+		}
+
+		memcpy(out->sfp_info, &lport->sfp_info.sfp_eeprom_info,
+		       sizeof(union unf_sfp_eeprome_info));
+		ret = RETURN_OK;
+	} else {
+		ret = unf_translate_sfp_status(lport, out);
+
+		unf_record_chip_fault(lport);
+
+		UNF_TRACE(UNF_EVTLOG_IO_INFO, UNF_LOG_IO_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s getsfpinfo fail, sfp status(0x%x).",
+			  lport->port_id, lport->sfp_info.status);
+	}
+
+	return ret;
+}
+
+int unf_cm_get_sfp_info(unsigned int v_port_id, unsigned int *v_status,
+			union unf_sfp_eeprome_info *v_sfp_info,
+			unsigned int *sfp_type)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_sfp_argout out = { 0 };
+
+	lport = unf_find_lport_by_port_id(v_port_id);
+	if (!lport)
+		return UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2335, UNF_TRUE, v_status, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2336, UNF_TRUE, v_sfp_info, return UNF_RETURN_ERROR);
+
+	out.status = v_status;
+	out.sfp_info = v_sfp_info;
+
+	if (global_lport_mgr.b_start_work == UNF_FALSE) {
+		UNF_TRACE(UNF_EVTLOG_IO_INFO, UNF_LOG_IO_ATT, UNF_MAJOR,
+			  "Port(0x%x) have not start work, return.", v_port_id);
+		return UNF_RETURN_ERROR;
+	}
+
+	*sfp_type = lport->low_level_func.sfp_type;
+	return unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&v_port_id,
+			      (void *)&out, unf_get_sfp_info);
+}
+
+int unf_cm_reset_port(unsigned int v_port_id)
+{
+	int ret = UNF_RETURN_ERROR;
+
+	ret = unf_send_event(v_port_id, UNF_EVENT_SYN, (void *)&v_port_id,
+			     (void *)NULL, unf_reset_port);
+	return ret;
+}
+
+int unf_lport_reset_port(struct unf_lport_s *v_lport, unsigned int v_flag)
+{
+	UNF_CHECK_VALID(0x2352, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	return unf_send_event(v_lport->port_id, v_flag,
+			      (void *)&v_lport->port_id,
+			      (void *)NULL,
+			      unf_reset_port);
+}
+
+static inline unsigned int unf_get_loop_alpa(struct unf_lport_s *v_lport,
+					     void *v_loop_alpa)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2357, UNF_TRUE,
+			v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get,
+			return UNF_RETURN_ERROR);
+
+	ret = v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_LOOP_ALPA, v_loop_alpa);
+	return ret;
+}
+
+static unsigned int unf_lport_enter_private_loop_login(
+					struct unf_lport_s *v_lport)
+{
+	struct unf_lport_s *lport = v_lport;
+	unsigned long flag = 0;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2358, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	spin_lock_irqsave(&lport->lport_state_lock, flag);
+	unf_lport_stat_ma(lport, UNF_EVENT_LPORT_READY);
+	/* LPort: LINK_UP --> READY */
+	spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+	unf_lport_update_topo(lport, UNF_ACT_TOP_PRIVATE_LOOP);
+
+	/* NOP: check L_Port state */
+	if (atomic_read(&lport->port_no_operater_flag) == UNF_LPORT_NOP) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+			  "[info]Port(0x%x) is NOP, do nothing",
+			  lport->port_id);
+
+		return RETURN_OK;
+	}
+
+	/* INI: check L_Port mode */
+	if ((lport->options & UNF_PORT_MODE_INI) != UNF_PORT_MODE_INI) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+			  "[info]Port(0x%x) has no INI feature(0x%x), do nothing",
+			  lport->port_id, lport->options);
+
+		return RETURN_OK;
+	}
+
+	if (lport->disc.unf_disc_temp.pfn_unf_disc_start) {
+		ret = lport->disc.unf_disc_temp.pfn_unf_disc_start(lport);
+		if (ret != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT,
+				  UNF_WARN,
+				  "[warn]Port(0x%x) with nportid(0x%x) start discovery failed",
+				  lport->port_id, lport->nport_id);
+		}
+	}
+
+	return ret;
+}
+
+unsigned int unf_lport_login(struct unf_lport_s *v_lport,
+			     enum unf_act_topo_e v_en_act_topo)
+{
+	unsigned int loop_alpa = 0;
+	unsigned int ret = RETURN_OK;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2359, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	/* 1. Update (set) L_Port topo which get from low level */
+	unf_lport_update_topo(v_lport, v_en_act_topo);
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+
+	/* 2. Link state check */
+	if (v_lport->link_up != UNF_PORT_LINK_UP) {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) with link_state(0x%x) port_state(0x%x) when login",
+			  v_lport->port_id, v_lport->link_up,
+			  v_lport->en_states);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* 3. Update L_Port state */
+	unf_lport_stat_ma(v_lport, UNF_EVENT_LPORT_LINK_UP);
+	/* LPort: INITIAL --> LINK UP */
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "[info]LOGIN: Port(0x%x) start to login with topology(0x%x)",
+		  v_lport->port_id, v_lport->en_act_topo);
+
+	/* 4. Start logoin */
+	if ((v_en_act_topo == UNF_TOP_P2P_MASK) ||
+	    (v_en_act_topo == UNF_ACT_TOP_P2P_FABRIC) ||
+	    (v_en_act_topo == UNF_ACT_TOP_P2P_DIRECT)) {
+		/* P2P or Fabric mode */
+		ret = unf_lport_enter_flogi(v_lport);
+	} else if (v_en_act_topo == UNF_ACT_TOP_PUBLIC_LOOP) {
+		/* Public loop */
+		(void)unf_get_loop_alpa(v_lport, &loop_alpa);
+
+		/* Before FLOGI ALPA just low 8 bit after FLOGI ACC switch
+		 * will assign complete addresses
+		 */
+		spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+		v_lport->nport_id = loop_alpa;
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+		ret = unf_lport_enter_flogi(v_lport);
+	} else if (v_en_act_topo == UNF_ACT_TOP_PRIVATE_LOOP) {
+		/* Private loop */
+		(void)unf_get_loop_alpa(v_lport, &loop_alpa);
+
+		spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+		v_lport->nport_id = loop_alpa;
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+		ret = unf_lport_enter_private_loop_login(v_lport);
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[err]LOGIN: Port(0x%x) login with unknown topology(0x%x)",
+			  v_lport->port_id, v_lport->en_act_topo);
+	}
+
+	return ret;
+}
+
+static unsigned int unf_port_link_up(struct unf_lport_s *v_lport,
+				     void *v_in_put)
+{
+	struct unf_lport_s *lport = v_lport;
+	unsigned int ret = RETURN_OK;
+	enum unf_act_topo_e en_act_topo = UNF_ACT_TOP_UNKNOWN;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2361, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(v_in_put);
+
+	/* If NOP state, stop */
+	if (atomic_read(&lport->port_no_operater_flag) == UNF_LPORT_NOP) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[warn]Port(0x%x) is NOP and do nothing",
+			  lport->port_id);
+
+		return RETURN_OK;
+	}
+
+	/* Update port state */
+	spin_lock_irqsave(&lport->lport_state_lock, flag);
+	lport->link_up = UNF_PORT_LINK_UP;
+	lport->speed = *((unsigned int *)v_in_put);
+	unf_set_lport_state(v_lport, UNF_LPORT_ST_INITIAL);
+	/* INITIAL state */
+	spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+	/* set hot pool wait state: so far, do not care */
+	unf_set_hot_pool_wait_state(lport, UNF_TRUE);
+
+	lport->enhanced_features |= UNF_LPORT_ENHANCED_FEATURE_READ_SFP_ONCE;
+
+	/* Get port active topopolgy (from low level) */
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[warn]Port(0x%x) get topo function is NULL",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		lport->fc_port,
+		UNF_PORT_CFG_GET_TOPO_ACT, (void *)&en_act_topo);
+
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[warn]Port(0x%x) get topo from low level failed",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* Start Login process */
+	ret = unf_lport_login(lport, en_act_topo);
+
+	unf_report_io_dm_event(lport, UNF_PORT_LINK_UP, 0);
+	return ret;
+}
+
+static unsigned int unf_port_link_down(struct unf_lport_s *v_lport,
+				       void *v_in_put)
+{
+	unsigned long flag = 0;
+	struct unf_lport_s *lport = NULL;
+
+	UNF_CHECK_VALID(0x2363, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(v_in_put);
+	lport = v_lport;
+	unf_report_io_dm_event(lport, UNF_PORT_LINK_DOWN, 0);
+
+	/* To prevent repeated reporting linkdown */
+	spin_lock_irqsave(&lport->lport_state_lock, flag);
+	lport->speed = UNF_PORT_SPEED_UNKNOWN;
+	lport->en_act_topo = UNF_ACT_TOP_UNKNOWN;
+	if (lport->link_up == UNF_PORT_LINK_DOWN) {
+		spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+		return RETURN_OK;
+	}
+	unf_lport_stat_ma(lport, UNF_EVENT_LPORT_LINK_DOWN);
+	unf_reset_lport_params(lport);
+	spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+	unf_set_hot_pool_wait_state(lport, UNF_FALSE);
+
+	/*
+	 * clear I/O:
+	 * 1. INI do ABORT only,
+	 * for INI: busy/delay/delay_transfer/wait
+	 * Clean L_Port/V_Port Link Down I/O: only set ABORT tag
+	 */
+	unf_flush_disc_event(&lport->disc, NULL);
+
+	unf_clean_link_down_io(lport, UNF_FALSE);
+
+	/* for L_Port's R_Ports */
+	unf_clean_linkdown_rport(lport);
+	/* for L_Port's all Vports */
+	unf_linkdown_all_vports(v_lport);
+	return RETURN_OK;
+}
+
+static unsigned int unf_port_abnormal_reset(struct unf_lport_s *v_lport,
+					    void *v_in_put)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+	struct unf_lport_s *lport = NULL;
+
+	UNF_CHECK_VALID(0x2363, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+
+	UNF_REFERNCE_VAR(v_in_put);
+
+	lport = v_lport;
+
+	ret = (unsigned int)unf_lport_reset_port(lport, UNF_EVENT_ASYN);
+
+	return ret;
+}
+
+static unsigned int unf_port_reset_start(struct unf_lport_s *v_lport,
+					 void *v_in_put)
+{
+	unsigned int ret = RETURN_OK;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2364, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(v_in_put);
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+	unf_set_lport_state(v_lport, UNF_LPORT_ST_RESET);
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "Port(0x%x) begin to reset.", v_lport->port_id);
+
+	return ret;
+}
+
+static unsigned int unf_port_reset_end(struct unf_lport_s *v_lport,
+				       void *v_in_put)
+{
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2365, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+
+	UNF_REFERNCE_VAR(v_in_put);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "Port(0x%x) reset end.", v_lport->port_id);
+
+	/* Task management command returns success and avoid
+	 * repair measures case offline device
+	 */
+	unf_wakeup_scsi_task_cmnd(v_lport);
+
+	spin_lock_irqsave(&v_lport->lport_state_lock, flag);
+	unf_set_lport_state(v_lport, UNF_LPORT_ST_INITIAL);
+	spin_unlock_irqrestore(&v_lport->lport_state_lock, flag);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_port_nop(struct unf_lport_s *v_lport, void *v_in_put)
+{
+	struct unf_lport_s *lport = NULL;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2366, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(v_in_put);
+	lport = v_lport;
+
+	atomic_set(&lport->port_no_operater_flag, UNF_LPORT_NOP);
+
+	spin_lock_irqsave(&lport->lport_state_lock, flag);
+	unf_lport_stat_ma(lport, UNF_EVENT_LPORT_LINK_DOWN);
+	unf_reset_lport_params(lport);
+	spin_unlock_irqrestore(&lport->lport_state_lock, flag);
+
+	/* Set Tag prevent pending I/O to wait_list when close sfp failed */
+	unf_set_hot_pool_wait_state(lport, UNF_FALSE);
+
+	unf_flush_disc_event(&lport->disc, NULL);
+
+	/* L_Port/V_Port's I/O(s): Clean Link Down I/O: Set Abort Tag */
+	unf_clean_link_down_io(lport, UNF_FALSE);
+
+	/* L_Port/V_Port's R_Port(s): report link down event to
+	 * scsi & clear resource
+	 */
+	unf_clean_linkdown_rport(lport);
+	unf_linkdown_all_vports(lport);
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_MAJOR,
+		  "[info]Port(0x%x) report NOP event done",
+		  lport->nport_id);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_port_clean_done(struct unf_lport_s *v_lport,
+					void *v_in_put)
+{
+	UNF_CHECK_VALID(0x2691, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+
+	UNF_REFERNCE_VAR(v_in_put);
+
+	/* when port reset,delte delete all Rport immediately,
+	 * in order to remove immediately for resources
+	 */
+	unf_clean_linkdown_rport(v_lport);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_port_begin_remove(struct unf_lport_s *v_lport,
+					  void *v_in_put)
+{
+	UNF_CHECK_VALID(0x2691, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+
+	UNF_REFERNCE_VAR(v_in_put);
+
+	/* Cancel route timer delay work */
+	unf_destroy_lport_route(v_lport);
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_get_pcie_link_state(struct unf_lport_s *v_lport)
+{
+	struct unf_lport_s *lport = v_lport;
+	int link_state = UNF_TRUE;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2257, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	UNF_CHECK_VALID(
+		INVALID_VALUE32, UNF_TRUE,
+		lport->low_level_func.port_mgr_op.pfn_ll_port_config_get,
+		return UNF_RETURN_ERROR);
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		lport->fc_port,
+		UNF_PORT_CFG_GET_PCIE_LINK_STATE, (void *)&link_state);
+	if (ret != RETURN_OK || link_state != UNF_TRUE) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[err]Can't Get Pcie Link State");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	return RETURN_OK;
+}
+
+void unf_root_lport_ref_dec(struct unf_lport_s *v_lport)
+{
+	unsigned long flags = 0;
+	unsigned long lport_flags = 0;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2385, UNF_TRUE, v_lport, return);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "[info]Port(0x%p) port_id(0x%x) reference count is %d",
+		  v_lport, v_lport->port_id,
+		  atomic_read(&v_lport->lport_ref_cnt));
+
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	spin_lock_irqsave(&v_lport->lport_state_lock, lport_flags);
+	if (atomic_dec_and_test(&v_lport->lport_ref_cnt)) {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, lport_flags);
+
+		list_del(&v_lport->entry_lport);
+		global_lport_mgr.lport_sum--;
+
+		/* Put L_Port to destroy list for debuging */
+		list_add_tail(&v_lport->entry_lport,
+			      &global_lport_mgr.list_destroy_head);
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+
+		ret = unf_schedule_global_event((void *)v_lport,
+						UNF_GLOBAL_EVENT_ASYN,
+						unf_lport_destroy);
+		if (ret != RETURN_OK)
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EVENT,
+				  UNF_CRITICAL,
+				  "[warn]Schedule global event faile. remain nodes(0x%x)",
+				  global_event_queue.list_number);
+	} else {
+		spin_unlock_irqrestore(&v_lport->lport_state_lock, lport_flags);
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+	}
+}
+
+void unf_lport_ref_dec_to_destroy(struct unf_lport_s *v_lport)
+{
+	if (v_lport->root_lport != v_lport)
+		unf_vport_ref_dec(v_lport);
+	else
+		unf_root_lport_ref_dec(v_lport);
+}
+
+void unf_lport_route_work(struct work_struct *v_work)
+{
+#define MAX_INTERVAL_TIMES 60
+
+	struct unf_lport_s *lport = NULL;
+	int ret = 0;
+	struct unf_err_code_s fc_err_code;
+
+	UNF_CHECK_VALID(0x2388, UNF_TRUE, v_work, return);
+
+	lport = container_of(v_work, struct unf_lport_s, route_timer_work.work);
+	if (unlikely(!lport)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT,
+			  UNF_KEVENT, "[err]LPort is NULL");
+
+		return;
+	}
+
+	if (unlikely(lport->b_port_removing == UNF_TRUE)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[warn]LPort(0x%x) route work is closing.",
+			  lport->port_id);
+
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return;
+	}
+
+	if (unlikely(unf_get_pcie_link_state(lport)))
+		lport->pcie_link_down_cnt++;
+	else
+		lport->pcie_link_down_cnt = 0;
+
+	if (lport->pcie_link_down_cnt >= 3) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[warn]LPort(0x%x) detected pcie linkdown, closing route work",
+			  lport->port_id);
+		lport->b_pcie_linkdown = UNF_TRUE;
+		unf_free_lport_all_xchg(lport);
+		unf_lport_ref_dec_to_destroy(lport);
+		return;
+	}
+
+	if (unlikely(UNF_LPORT_CHIP_ERROR(lport))) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[warn]LPort(0x%x) reported chip error, closing route work. ",
+			  lport->port_id);
+
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return;
+	}
+
+	if (lport->enhanced_features &
+	    UNF_LPORT_ENHANCED_FEATURE_CLOSE_FW_ROUTE) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[warn]User close LPort(0x%x) route work. ",
+			  lport->port_id);
+
+		unf_lport_ref_dec_to_destroy(lport);
+
+		return;
+	}
+	if (atomic_read(&lport->err_code_obtain_freq) ==  0) {
+		memset(&fc_err_code, 0, sizeof(struct unf_err_code_s));
+		unf_get_error_code_sum(lport, &fc_err_code);
+		atomic_inc(&lport->err_code_obtain_freq);
+	} else if (atomic_read(&lport->err_code_obtain_freq) ==
+		   MAX_INTERVAL_TIMES) {
+		atomic_set(&lport->err_code_obtain_freq, 0);
+	} else {
+		atomic_inc(&lport->err_code_obtain_freq);
+	}
+	/* Scheduling 1 second */
+	ret = queue_delayed_work(
+		unf_work_queue, &lport->route_timer_work,
+		(unsigned long)msecs_to_jiffies(UNF_LPORT_POLL_TIMER));
+	if (ret == 0) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_KEVENT,
+			  "[warn]LPort(0x%x) schedule work unsuccessful.",
+			  lport->port_id);
+
+		unf_lport_ref_dec_to_destroy(lport);
+	}
+}
+
+int unf_cm_get_port_info(void *argc_in, void *argc_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_port_info_argout *port_info = NULL;
+
+	UNF_CHECK_VALID(0x2398, UNF_TRUE, argc_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2398, UNF_TRUE, argc_out, return UNF_RETURN_ERROR);
+
+	lport = (struct unf_lport_s *)argc_in;
+	port_info = (struct unf_get_port_info_argout *)argc_out;
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	if (lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		lport->fc_port,
+		UNF_PORT_CFG_GET_PORT_INFO, port_info) !=
+	    RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "Port(0x%x) get current info failed.",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_get_lport_current_info(struct unf_lport_s *v_lport)
+{
+	struct unf_get_port_info_argout port_info = { 0 };
+	unsigned int ret = UNF_RETURN_ERROR;
+	struct unf_lport_s *lport = NULL;
+
+	UNF_CHECK_VALID(0x2403, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	lport = unf_find_lport_by_port_id(v_lport->port_id);
+
+	if (!lport)
+		return UNF_RETURN_ERROR;
+
+	ret = (unsigned int)unf_send_event(lport->port_id, UNF_EVENT_SYN,
+					   (void *)lport,
+					   (void *)&port_info,
+					   unf_cm_get_port_info);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "UNF_GetPortCurrentInfo SendEvent(unf_cm_get_port_info) fail.");
+
+		return UNF_RETURN_ERROR;
+	}
+
+	lport->low_level_func.sfp_speed = port_info.sfp_speed;
+
+	return RETURN_OK;
+}
+
+int unf_set_link_lose_tmo_to_up(struct unf_lport_s *v_lport,
+				struct unf_flash_link_tmo_s *v_link_tmo)
+{
+	int ret = UNF_RETURN_ERROR;
+	struct unf_flash_data_s flash_data;
+
+	if ((!v_lport) || (!v_link_tmo) ||
+	    (sizeof(struct unf_flash_data_s) > HIFC_FLASH_DATA_MAX_LEN)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]set link tmo param check fail");
+		return ret;
+	}
+	memset(&flash_data, 0, sizeof(struct unf_flash_data_s));
+
+	if (!v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]link tmo fun null");
+		return ret;
+	}
+	if (v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_FLASH_DATA_INFO, &flash_data) !=
+	    RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]get link tmo to up fail");
+		return ret;
+	}
+
+	memcpy(&flash_data.link_tmo, v_link_tmo, HIFC_FLASH_LINK_TMO_MAX_LEN);
+
+	if (!v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]set link tmo fun null");
+		return ret;
+	}
+
+	if (v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		v_lport->fc_port, UNF_PORT_CFG_SET_FLASH_DATA_INFO,
+		&flash_data) !=
+	    RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]set link tmo to up fail");
+		return ret;
+	}
+	ret = RETURN_OK;
+
+	return ret;
+}
+
+int unf_set_link_lose_tmo(struct unf_lport_s *v_lport, int time_out)
+{
+	struct unf_flash_link_tmo_s flash_link_tmo;
+	int ret = UNF_RETURN_ERROR;
+	unsigned int link_tmo = (unsigned int)time_out;
+
+	memset(&flash_link_tmo, 0, sizeof(struct unf_flash_link_tmo_s));
+
+	if (!v_lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL,
+			  UNF_KEVENT, "[warn]set link tmo lport  null");
+		return ret;
+	}
+
+	/* 1. update gloabl var */
+	if ((int)atomic_read(&v_lport->link_lose_tmo) == time_out)
+		return RETURN_OK;
+
+	atomic_set(&v_lport->link_lose_tmo, time_out);
+
+	flash_link_tmo.writeflag = HIFC_MGMT_TMO_MAGIC_NUM;
+	flash_link_tmo.link_tmo0 = (unsigned char)link_tmo;
+	flash_link_tmo.link_tmo1 = (unsigned char)(link_tmo >> 8);
+	flash_link_tmo.link_tmo2 = (unsigned char)(link_tmo >> 16);
+	flash_link_tmo.link_tmo3 = (unsigned char)(link_tmo >> 24);
+
+	/* 2. write to up */
+	ret = unf_set_link_lose_tmo_to_up(v_lport, &flash_link_tmo);
+
+	return ret;
+}
+
+int unf_set_link_lose_tmo_to_all(int time_out)
+{
+	int ret = RETURN_OK;
+	struct list_head list_lport_tmp_head;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	struct unf_lport_s *lport = NULL;
+	unsigned long flags = 0;
+
+	INIT_LIST_HEAD(&list_lport_tmp_head);
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_safe(node, next_node,
+			   &global_lport_mgr.list_lport_list_head) {
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+		list_del_init(&lport->entry_lport);
+		list_add_tail(&lport->entry_lport, &list_lport_tmp_head);
+		(void)unf_lport_refinc(lport);
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	while (!list_empty(&list_lport_tmp_head)) {
+		node = (&list_lport_tmp_head)->next;
+		lport = list_entry(node, struct unf_lport_s, entry_lport);
+		if (lport)
+			unf_set_link_lose_tmo(lport, time_out);
+
+		spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock,
+				  flags);
+		list_del_init(&lport->entry_lport);
+		list_add_tail(&lport->entry_lport,
+			      &global_lport_mgr.list_lport_list_head);
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+
+		unf_lport_ref_dec_to_destroy(lport);
+	}
+
+	return ret;
+}
+
+static int unf_cm_adm_show_xchg(struct unf_lport_s *v_lport,
+				struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	struct unf_xchg_mgr_s *xchg_mgr = NULL;
+	struct unf_xchg_s *xchg = NULL;
+	struct list_head *xchg_node = NULL;
+	struct list_head *next_xchg_node = NULL;
+	unsigned long flags = 0;
+	unsigned int aborted = 0;
+	unsigned int ini_busy = 0;
+	unsigned int tgt_busy = 0;
+	unsigned int delay = 0;
+	unsigned int free = 0;
+	unsigned int wait = 0;
+	unsigned int sfs_free = 0;
+	unsigned int sfs_busy = 0;
+	unsigned int i;
+	struct unf_adm_xchg *buff_out = NULL;
+
+	buff_out = (struct unf_adm_xchg *)v_input->buff_out;
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, *v_input->out_size >=
+		sizeof(struct unf_adm_xchg), return UNF_RETURN_ERROR);
+
+	for (i = 0; i < UNF_EXCHG_MGR_NUM; i++) {
+		xchg_mgr = unf_get_xchg_mgr_by_lport(v_lport, i);
+		if (!xchg_mgr)
+			continue;
+
+		if (!xchg_mgr->hot_pool)
+			continue;
+
+		/* hot Xchg */
+		spin_lock_irqsave(&xchg_mgr->hot_pool->xchg_hot_pool_lock,
+				  flags);
+
+		UNF_TRACE(0x2659, UNF_LOG_NORMAL, UNF_INFO, "ini busy :");
+		list_for_each_safe(xchg_node, next_xchg_node,
+				   &xchg_mgr->hot_pool->ini_busylist) {
+			ini_busy++;
+
+			xchg = list_entry(xchg_node, struct unf_xchg_s,
+					  list_xchg_entry);
+			UNF_TRACE(0x2660, UNF_LOG_NORMAL, UNF_INFO,
+				  "0x%p--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--(%llu)",
+				  xchg,
+				  (unsigned int)xchg->hot_pool_tag,
+				  (unsigned int)xchg->xchg_type,
+				  (unsigned int)xchg->ox_id,
+				  (unsigned int)xchg->rx_id,
+				  (unsigned int)xchg->sid,
+				  (unsigned int)xchg->did,
+				  (unsigned int)xchg->seq_id,
+				  (unsigned int)xchg->io_state,
+				  atomic_read(&xchg->ref_cnt),
+				  xchg->alloc_jif);
+		}
+
+		UNF_TRACE(0x2665, UNF_LOG_NORMAL, UNF_INFO, "SFS Busy:");
+		list_for_each_safe(xchg_node, next_xchg_node,
+				   &xchg_mgr->hot_pool->sfs_busylist) {
+			sfs_busy++;
+
+			xchg = list_entry(xchg_node, struct unf_xchg_s,
+					  list_xchg_entry);
+			UNF_TRACE(0x2666, UNF_LOG_NORMAL, UNF_INFO,
+				  "0x%p--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--0x%x--(%llu)",
+				  xchg,
+				  (unsigned int)xchg->hot_pool_tag,
+				  (unsigned int)xchg->xchg_type,
+				  (unsigned int)xchg->ox_id,
+				  (unsigned int)xchg->rx_id,
+				  (unsigned int)xchg->sid,
+				  (unsigned int)xchg->did,
+				  (unsigned int)xchg->seq_id,
+				  (unsigned int)xchg->io_state,
+				  atomic_read(&xchg->ref_cnt),
+				  xchg->alloc_jif);
+		}
+
+		spin_unlock_irqrestore(&xchg_mgr->hot_pool->xchg_hot_pool_lock,
+				       flags);
+
+		/* free Xchg */
+		spin_lock_irqsave(&xchg_mgr->free_pool.xchg_free_pool_lock,
+				  flags);
+
+		list_for_each_safe(xchg_node, next_xchg_node,
+				   &xchg_mgr->free_pool.list_free_xchg_list) {
+			free++;
+		}
+
+		list_for_each_safe(xchg_node, next_xchg_node,
+				   &xchg_mgr->free_pool.list_sfs_xchg_list) {
+			sfs_free++;
+		}
+		spin_unlock_irqrestore(&xchg_mgr->free_pool.xchg_free_pool_lock,
+				       flags);
+
+		ret = RETURN_OK;
+	}
+
+	buff_out->aborted = aborted;
+	buff_out->ini_busy = ini_busy;
+	buff_out->tgt_busy = tgt_busy;
+	buff_out->delay = delay;
+	buff_out->free = free;
+	buff_out->wait = wait;
+	buff_out->sfs_free = sfs_free;
+	buff_out->sfs_busy = sfs_busy;
+	UNF_REFERNCE_VAR(xchg);
+	return ret;
+}
+
+static int unf_cm_adm_link_time_out_opt(struct unf_lport_s *v_lport,
+					struct unf_hinicam_pkg *v_input)
+{
+	int ret = RETURN_OK;
+	int time_out = 0;
+	struct unf_link_tmo_opt_s *buff_in = NULL;
+	struct unf_link_tmo_opt_s *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport,
+			return RETURN_ERROR);
+
+	buff_in = (struct unf_link_tmo_opt_s *)(v_input->buff_in);
+	buff_out = (struct unf_link_tmo_opt_s *)(v_input->buff_out);
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	if (buff_in->link_opt) {
+		/* set link tmo value */
+		time_out = unf_get_link_lose_tmo(v_lport);
+		/* compatible for PI2 branch tool (not release)not
+		 * include  syncAllPort section
+		 */
+		if (v_input->in_size > 16) {
+			if (buff_in->sync_all_port)
+				/* sync to all other lport */
+				unf_set_link_lose_tmo_to_all(buff_in->tmo_value);
+			else
+				unf_set_link_lose_tmo(v_lport,
+						      buff_in->tmo_value);
+
+			buff_out->sync_all_port = 1;
+		} else {
+			unf_set_link_lose_tmo_to_all(buff_in->tmo_value);
+		}
+
+		buff_out->link_opt = 1;
+
+		/* return orige value */
+		buff_out->tmo_value = time_out;
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[info]set fc port(0x%0x)link tmo value(%d -> %d) success .",
+			  v_lport->nport_id, time_out, buff_out->tmo_value);
+	} else {
+		/* get link tmo value */
+		buff_out->tmo_value = unf_get_link_lose_tmo(v_lport);
+		buff_out->link_opt = 0;
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+			  "get fc port(0x%0x) link tmo value(%d) success .",
+			  v_lport->nport_id, buff_out->tmo_value);
+	}
+	*v_input->out_size = v_input->in_size;
+	memcpy((void *)buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+	return ret;
+}
+
+static int unf_cm_adm_log_level_opt(struct unf_lport_s *v_lport,
+				    struct unf_hinicam_pkg *v_input)
+{
+	int ret = RETURN_OK;
+	unsigned int log_level = 0;
+	unsigned int log_count = 0;
+	struct unf_log_level_opt_s *buff_in = NULL;
+	struct unf_log_level_opt_s *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_log_level_opt_s),
+			return RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >=
+			sizeof(struct unf_log_level_opt_s),
+			return RETURN_ERROR);
+
+	buff_in = (struct unf_log_level_opt_s *)(v_input->buff_in);
+	buff_out = (struct unf_log_level_opt_s *)(v_input->buff_out);
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	if (buff_in->log_opt) {
+		/* set log level value */
+		log_level = log_print_level;
+		log_count = log_limted_times;
+		log_print_level = buff_in->log_level;
+		log_limted_times = buff_in->log_fre_qunce;
+		buff_out->log_opt = 1;
+		/* return orige value */
+
+		buff_out->log_level = log_level;
+		buff_out->log_fre_qunce = log_count;
+
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+			  "set fc log level(%u -> %u), frenqunce(%u -> %u)in 2s success .",
+			  log_level, log_print_level, log_count,
+				  log_limted_times);
+	} else {
+		/* get link tmo value */
+		buff_out->log_level = log_print_level;
+		buff_out->log_fre_qunce = log_limted_times;
+		buff_out->log_opt = 0;
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+			  "get fc log level(%u),frenqunce(%u) in 2s success .",
+			  buff_out->log_level, buff_out->log_fre_qunce);
+	}
+	*v_input->out_size = sizeof(struct unf_log_level_opt_s);
+	memcpy((void *)buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+	return ret;
+}
+
+int unf_cm_echo_test(unsigned int v_port_id, unsigned int v_nport_id,
+		     unsigned int *v_link_delay)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_rport_s *rport = NULL;
+	int ret = RETURN_OK;
+	unsigned int index = 0;
+
+	lport = unf_find_lport_by_port_id(v_port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+			  "fcping request failed [invalid source lport (0x%x)].\n",
+			  v_port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	rport = unf_get_rport_by_nport_id(lport, v_nport_id);
+	if ((!rport) || (v_nport_id == UNF_FC_FID_FLOGI)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL, UNF_MAJOR,
+			  "fcping request failed [invalid destination rport(0x%x)].\n",
+			  v_nport_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	for (index = 0; index < UNF_ECHO_SEND_MAX_TIMES; index++) {
+		ret = (int)unf_send_echo(lport, rport, v_link_delay);
+		if (ret != RETURN_OK) {
+			*v_link_delay = 0xffffffff;
+
+			UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL,
+				  UNF_MAJOR,
+				  "fcping request failed [lport(0x%x)-> rport(0x%x)].\n",
+				  v_port_id, v_nport_id);
+
+		} else {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_NORMAL,
+				  UNF_MAJOR,
+				  "fcping request succeed within %u us [lport(0x%x)->rport(0x%x)].\n",
+				  *(unsigned int *)v_link_delay, v_port_id,
+				  v_nport_id);
+		}
+
+		msleep(1000);
+	}
+
+	return ret;
+}
+
+static int unf_cm_link_delay_get(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int link_delay = 0xffffffff;
+	unsigned int nport_id = 0xffffff;
+	unsigned int port_id = 0;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_adm_cmd *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, *v_input->out_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->in_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)(v_input->buff_in);
+	buff_out = (struct unf_adm_cmd *)(v_input->buff_out);
+	port_id = v_lport->port_id;
+	nport_id = buff_in->arg[0];
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	ret = unf_cm_echo_test(port_id, nport_id, &link_delay);
+	if ((ret == RETURN_OK) && (link_delay != 0xffffffff)) {
+		buff_out->arg[0] = link_delay;
+		msg_head.size = sizeof(struct unf_admin_msg_head) +
+			sizeof(unsigned int) * 1;
+	} else {
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		msg_head.size = sizeof(struct unf_admin_msg_head);
+	}
+
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy((void *)buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static unsigned int unf_port_release_rport_index(struct unf_lport_s *v_lport,
+						 void *v_input)
+{
+	unsigned int index = INVALID_VALUE32;
+	unsigned int *rport_index = NULL;
+	unsigned long flag = 0;
+	struct unf_rport_pool_s *rport_pool = NULL;
+
+	UNF_CHECK_VALID(0x2370, UNF_FALSE, v_lport, return UNF_RETURN_ERROR);
+
+	if (v_input) {
+		rport_index = (unsigned int *)v_input;
+		index = *rport_index;
+		if (index < v_lport->low_level_func.support_max_rport) {
+			rport_pool = &((struct unf_lport_s *)v_lport->root_lport)->rport_pool;
+			spin_lock_irqsave(&rport_pool->rport_free_pool_lock,
+					  flag);
+			if (test_bit((int)index, rport_pool->pul_rpi_bitmap))
+				clear_bit((int)index,
+					  rport_pool->pul_rpi_bitmap);
+			else
+				UNF_TRACE(UNF_EVTLOG_DRIVER_WARN,
+					  UNF_LOG_LOGIN_ATT, UNF_ERR,
+					  "[warn]Port(0x%x) try to release a free rport index(0x%x)",
+					  v_lport->port_id, index);
+
+			spin_unlock_irqrestore(
+				&rport_pool->rport_free_pool_lock,
+				flag);
+		} else {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT,
+				  UNF_ERR,
+				  "[warn]Port(0x%x) try to release a not exist rport index(0x%x)",
+				  v_lport->port_id, index);
+		}
+	}
+
+	return RETURN_OK;
+}
+
+void *unf_lookup_lport_by_nport_id(void *v_lport, unsigned int v_nport_id)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_vport_pool_s *vport_pool = NULL;
+	struct unf_lport_s *vport = NULL;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x1978, UNF_TRUE, v_lport, return NULL);
+
+	lport = (struct unf_lport_s *)v_lport;
+	lport = lport->root_lport;
+	vport_pool = lport->vport_pool;
+
+	if (v_nport_id == lport->nport_id)
+		return lport;
+
+	if (unlikely(!vport_pool)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_IO_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) vport pool is NULL",
+			  lport->port_id);
+
+		return NULL;
+	}
+
+	spin_lock_irqsave(&vport_pool->vport_pool_lock, flag);
+	list_for_each_safe(node, next_node, &lport->list_vports_head) {
+		vport = list_entry(node, struct unf_lport_s, entry_vport);
+		if (vport->nport_id == v_nport_id) {
+			spin_unlock_irqrestore(&vport_pool->vport_pool_lock,
+					       flag);
+			return vport;
+		}
+	}
+
+	list_for_each_safe(node, next_node, &lport->list_intergrad_vports) {
+		vport = list_entry(node, struct unf_lport_s, entry_vport);
+		if (vport->nport_id == v_nport_id) {
+			spin_unlock_irqrestore(&vport_pool->vport_pool_lock,
+					       flag);
+			return vport;
+		}
+	}
+	spin_unlock_irqrestore(&vport_pool->vport_pool_lock, flag);
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_LOGIN_ATT, UNF_INFO,
+		  "Port(0x%x) has no vport Nport ID(0x%x)",
+		  lport->port_id, v_nport_id);
+	return NULL;
+}
+
+static int unf_get_port_info(struct unf_lport_s *v_lport,
+			     struct unf_lport_info *v_port_info)
+{
+	unsigned int act_speed = INVALID_VALUE32;
+	unsigned int cfg_speed = INVALID_VALUE32;
+	unsigned int cfg_topo = INVALID_VALUE32;
+	enum unf_act_topo_e act_topo = UNF_ACT_TOP_UNKNOWN;
+	struct unf_err_code_s fc_err_code;
+	unsigned int cfg_led_mode = INVALID_VALUE32;
+	struct unf_vport_pool_s *vport_pool = NULL;
+	struct unf_lport_s *vport = NULL;
+	struct list_head *node = NULL;
+	struct list_head *next_node = NULL;
+	unsigned long flag = 0;
+
+	UNF_CHECK_VALID(0x2205, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2206, UNF_TRUE, v_port_info, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2207, UNF_TRUE, v_lport->fc_port,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(
+		0x2208, UNF_TRUE,
+		v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get,
+		return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(cfg_speed);
+	UNF_REFERNCE_VAR(act_topo);
+
+	memset(&fc_err_code, 0, sizeof(fc_err_code));
+
+	/* get port speed */
+	cfg_speed = v_lport->low_level_func.lport_cfg_items.port_speed;
+
+	if (v_lport->link_up == UNF_PORT_LINK_UP)
+		(void)v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+			v_lport->fc_port,
+			UNF_PORT_CFG_GET_SPEED_ACT, (void *)&act_speed);
+	else
+		act_speed = UNF_PORT_SPEED_UNKNOWN;
+
+	(void)v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_SPEED_CFG, (void *)&cfg_speed);
+
+	if (v_lport->link_up == UNF_PORT_LINK_UP)
+		(void)v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+			v_lport->fc_port,
+			UNF_PORT_CFG_GET_TOPO_ACT, (void *)&act_topo);
+	else
+		act_topo = UNF_ACT_TOP_UNKNOWN;
+
+	(void)v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_TOPO_CFG, (void *)&cfg_topo);
+
+	(void)v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_LED_STATE, (void *)&cfg_led_mode);
+
+	v_port_info->port_id = v_lport->port_id;
+	v_port_info->options = v_lport->options;
+	v_port_info->b_start_work = global_lport_mgr.b_start_work;
+	v_port_info->phy_link = UNF_PORT_LINK_UP;
+	v_port_info->link_up = v_lport->link_up;
+	v_port_info->act_speed = act_speed;
+	v_port_info->cfg_speed = cfg_speed;
+	v_port_info->port_name = v_lport->port_name;
+	v_port_info->tape_support =
+		v_lport->low_level_func.lport_cfg_items.tape_support;
+	v_port_info->msi = 0;
+	v_port_info->ini_io_retry_timeout = 0;
+	v_port_info->support_max_npiv_num =
+		v_lport->low_level_func.support_max_npiv_num;
+	v_port_info->act_topo = act_topo;
+	v_port_info->port_topology =
+		v_lport->low_level_func.lport_cfg_items.port_topology;
+	v_port_info->fc_ser_max_speed =
+		v_lport->low_level_func.fc_ser_max_speed;
+
+	if (unf_get_error_code_sum(v_lport, &fc_err_code) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[err]Port(0x%x) get error code failed",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	v_port_info->loss_of_signal_count = fc_err_code.loss_of_signal_count;
+	v_port_info->bad_rx_char_count = fc_err_code.bad_rx_char_count;
+	v_port_info->loss_of_sync_count = fc_err_code.loss_of_sync_count;
+	v_port_info->link_fail_count = fc_err_code.link_fail_count;
+	v_port_info->rx_eo_fa_count = fc_err_code.rx_eo_fa_count;
+	v_port_info->dis_frame_count = fc_err_code.dis_frame_count;
+	v_port_info->bad_crc_count = fc_err_code.bad_crc_count;
+	v_port_info->proto_error_count = fc_err_code.proto_error_count;
+	v_port_info->chip_type = v_lport->low_level_func.chip_info.chip_type;
+	v_port_info->cfg_led_mode = cfg_led_mode;
+
+	v_port_info->vport_num = 0;
+
+	vport_pool = v_lport->vport_pool;
+	if (unlikely(!vport_pool))
+		return RETURN_OK;
+
+	spin_lock_irqsave(&vport_pool->vport_pool_lock, flag);
+	list_for_each_safe(node, next_node, &v_lport->list_vports_head) {
+		vport = list_entry(node, struct unf_lport_s, entry_vport);
+
+		v_port_info->vport_id[v_port_info->vport_num] = vport->port_id;
+
+		v_port_info->vport_num = v_port_info->vport_num + 1;
+	}
+	spin_unlock_irqrestore(&vport_pool->vport_pool_lock, flag);
+	return RETURN_OK;
+}
+
+static int unf_get_vport_info(struct unf_lport_s *v_lport,
+			      unsigned int v_vport_id,
+			      struct unf_lport_info *v_port_info)
+{
+	unsigned char vport_index = INVALID_VALUE8;
+	struct unf_lport_s *vport = NULL;
+
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, v_lport, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, v_port_info, return UNF_RETURN_ERROR);
+
+	vport_index = (v_vport_id & PORTID_VPINDEX_MASK) >> PORTID_VPINDEX_SHIT;
+	if (unlikely(vport_index == 0)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]VPortId(0x%x) is not vport", v_vport_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	vport = unf_cm_lookup_vport_by_vp_index(v_lport, vport_index);
+	if (unlikely(!vport)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]VPortId(0x%x) can not be found",
+			  v_vport_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	v_port_info->port_id = vport->port_id;
+	v_port_info->port_name = vport->port_name;
+	v_port_info->nport_id = vport->nport_id;
+	v_port_info->options = 0;
+
+	return RETURN_OK;
+}
+
+static int unf_get_all_port_info(void *v_arg_in, void *v_arg_out)
+{
+	struct unf_lport_s *lport = NULL;
+	struct unf_get_allinfo_argout *arg_in = NULL;
+	unsigned int current_len = 0;
+	struct unf_lport_info *cur_lport_info = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+	int ret = UNF_RETURN_ERROR;
+	unsigned int out_buf_len = 0;
+	char *out_buf = NULL;
+	struct hifc_adm_cmd_s *buff_in = NULL;
+
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, v_arg_in, return UNF_RETURN_ERROR);
+	UNF_REFERNCE_VAR(v_arg_out);
+
+	arg_in = (struct unf_get_allinfo_argout *)v_arg_in;
+	out_buf = (char *)arg_in->out_buf;
+	buff_in = (struct hifc_adm_cmd_s *)arg_in->in_buf;
+	lport = (struct unf_lport_s *)arg_in->lport;
+
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, out_buf, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, buff_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, lport, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, arg_in->in_size >=
+			sizeof(struct hifc_adm_cmd_s), return UNF_RETURN_ERROR);
+
+	cur_lport_info = vmalloc(sizeof(struct unf_lport_info));
+	if (!cur_lport_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT, UNF_ERR,
+			  "[err]Port(0x%x) malloc memory fail", lport->port_id);
+		((struct unf_admin_msg_head *)out_buf)->status =
+			UNF_ADMIN_MSG_FAILED;
+		return ret;
+	}
+
+	memset(cur_lport_info, 0, sizeof(struct unf_lport_info));
+	out_buf_len = arg_in->in_size;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	*arg_in->out_size = out_buf_len;
+
+	/* Storage info */
+	current_len += sizeof(struct unf_admin_msg_head);
+
+	if (lport->b_port_removing != UNF_TRUE) {
+		/* Cmd[3] is Vportid */
+		if (buff_in->cmd[3] != 0) {
+			ret = unf_get_vport_info(lport, buff_in->cmd[3],
+						 cur_lport_info);
+		} else {
+			ret = unf_get_port_info(lport, cur_lport_info);
+		}
+		if (ret != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_LOGIN_ATT,
+				  UNF_INFO,
+				  "[err]Port(0x%x) get port information error",
+				  lport->port_id);
+
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+			msg_head.size = current_len;
+			memcpy(out_buf, &msg_head,
+			       sizeof(struct unf_admin_msg_head));
+			vfree(cur_lport_info);
+			return ret;
+		}
+
+		if (out_buf_len < current_len + sizeof(struct unf_lport_info)) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL,
+				  UNF_ERR,
+				  "[warn]Allocated buff size (%u < %lu) is not enough",
+				  out_buf_len,
+				  current_len + sizeof(struct unf_lport_info));
+
+			/* Compatible for vport: return Lport info
+			 * if tools version is not support npiv
+			 */
+			memcpy(out_buf + current_len, cur_lport_info,
+			       out_buf_len - current_len);
+
+			current_len = out_buf_len;
+
+		} else {
+			memcpy(out_buf + current_len, cur_lport_info,
+			       sizeof(struct unf_lport_info));
+			current_len += sizeof(struct unf_lport_info);
+		}
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_LOGIN_ATT, UNF_INFO,
+			  "[warn]Port(0x%x) is removing. Ref count 0x%x",
+			  lport->port_id, atomic_read(&lport->lport_ref_cnt));
+
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+	}
+
+	msg_head.size = current_len;
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+	vfree(cur_lport_info);
+	return ret;
+}
+
+static int unf_cm_get_all_port_info(struct unf_lport_s *v_lport,
+				    struct unf_hinicam_pkg *v_input)
+{
+	struct unf_get_allinfo_argout out = { 0 };
+	int ret = UNF_RETURN_ERROR;
+
+	out.out_buf = v_input->buff_out;
+	out.in_buf = v_input->buff_in;
+	out.out_size = v_input->out_size;
+	out.in_size = v_input->in_size;
+	out.lport = v_lport;
+
+	ret = (int)unf_schedule_global_event((void *)&out,
+					     UNF_GLOBAL_EVENT_SYN,
+					     unf_get_all_port_info);
+
+	return ret;
+}
+
+static int unf_cm_port_set(struct unf_lport_s *v_lport,
+			   struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int mode = 0;   /* 1:portreset 2:sfp on/off */
+	int turn_on = 0; /* 0:sfp off 1:sfp on */
+	unsigned int port_id = 0;
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->in_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, *v_input->out_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	mode = buff_in->arg[0];
+	port_id = v_lport->port_id;
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	if (mode == 1) {
+		ret = unf_cm_reset_port(port_id);
+
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+
+	} else if (mode == 2) {
+		turn_on = (int)buff_in->arg[1];
+
+		if ((turn_on == 0) || (turn_on == 1)) {
+			ret = unf_cm_sfp_switch(port_id, turn_on);
+			if (ret != RETURN_OK)
+				msg_head.status = UNF_ADMIN_MSG_FAILED;
+		} else {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT,
+				  UNF_ERR,
+				  "[err]Switch sfp failed. Parameter(0x%x) error",
+				  turn_on);
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+		}
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static int unf_cm_topo_set(struct unf_lport_s *v_lport,
+			   struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int topo = 0; /* topology set */
+	unsigned int port_id = 0;
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->in_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, *v_input->out_size >=
+			sizeof(struct unf_adm_cmd), return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	topo = buff_in->arg[0];
+	port_id = v_lport->port_id;
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	if ((topo == UNF_TOP_AUTO_MASK) || (topo == UNF_TOP_LOOP_MASK) ||
+	    (topo == UNF_TOP_P2P_MASK)) {
+		ret = unf_cm_set_port_topo(port_id, topo);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Set topo failed. Parameter(0x%x) error", topo);
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static int unf_cm_port_speed_set(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int port_speed = 0;
+	unsigned int port_id = 0;
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+	struct unf_lport_s *lport = NULL;
+	int check_speed_flag = UNF_TRUE;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	lport = v_lport;
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	port_speed = buff_in->arg[0];
+	port_id = v_lport->port_id;
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	/* get and check sfp speed */
+	if (unf_get_lport_current_info(lport) != RETURN_OK) {
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		lport->low_level_func.sfp_speed = UNF_PORT_SFP_SPEED_ERR;
+	}
+	if (UNF_CHECK_CONFIG_SPEED_BY_SFSSPEED(lport->low_level_func.sfp_speed,
+					       port_speed)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Set port speed failed. Speed (0x%x) is greater than SfpSpeed (0x%x)",
+			  port_speed, lport->low_level_func.sfp_speed);
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		check_speed_flag = UNF_FALSE;
+	} else {
+		if (lport->low_level_func.fc_ser_max_speed ==
+		    UNF_PORT_SPEED_32_G) {
+			check_speed_flag =
+				(port_speed == UNF_PORT_SPEED_AUTO) ||
+				(port_speed == UNF_PORT_SPEED_8_G) ||
+				(port_speed == UNF_PORT_SPEED_16_G) ||
+				(port_speed == UNF_PORT_SPEED_32_G);
+		} else if (lport->low_level_func.fc_ser_max_speed ==
+			   UNF_PORT_SPEED_16_G) {
+			check_speed_flag =
+				(port_speed == UNF_PORT_SPEED_AUTO) ||
+				(port_speed == UNF_PORT_SPEED_4_G) ||
+				(port_speed == UNF_PORT_SPEED_8_G) ||
+				(port_speed == UNF_PORT_SPEED_16_G);
+		} else if (lport->low_level_func.fc_ser_max_speed ==
+			   UNF_PORT_SPEED_8_G) {
+			check_speed_flag =
+				(port_speed == UNF_PORT_SPEED_AUTO) ||
+				(port_speed == UNF_PORT_SPEED_2_G) ||
+				(port_speed == UNF_PORT_SPEED_4_G) ||
+				(port_speed == UNF_PORT_SPEED_8_G);
+		} else {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT,
+				  UNF_ERR,
+				  "[err]Board maxspeed is unknown");
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+			check_speed_flag = UNF_FALSE;
+		}
+	}
+
+	if (check_speed_flag) {
+		ret = unf_cm_set_port_speed(port_id, &port_speed);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static int unf_cm_set_vport(struct unf_lport_s *v_lport,
+			    struct unf_hinicam_pkg *v_input)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+	struct unf_lport_s *lport = NULL;
+	unsigned int mode = 0;
+	unsigned int index = 0;
+	unsigned int high32 = 0x2000286e;
+	unsigned int low32 = 0;
+	unsigned long long port_name = 0;
+	unsigned int port_id = 0;
+
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	port_id = v_lport->port_id;
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	mode = buff_in->arg[0];
+
+	switch (mode) {
+	case 1:
+		/* create vport with wwpn */
+		low32 = buff_in->arg[1];
+		port_name = ((unsigned long)high32 << 32) | low32;
+
+	//lint -fallthrough
+	case 3:
+		/* create vport and autogeneration wwpn */
+		ret = unf_npiv_conf(port_id, port_name);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+		msleep(2000);
+		break;
+
+	case 2:
+		/* delete vport by vport index */
+		index = buff_in->arg[2];
+		ret = unf_delete_vport(port_id, index);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+		break;
+
+	case 4:
+		/* delete all vport on Lport */
+		lport = unf_find_lport_by_port_id(port_id);
+		if (!lport) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL,
+				  UNF_ERR,
+				  "[err]Port(0x%x) can't find", port_id);
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+		} else {
+			unf_destroy_all_vports(lport);
+			ret = RETURN_OK;
+		}
+		break;
+
+	default:
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Mode is unknown");
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		break;
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return (int)ret;
+}
+
+static int unf_cm_port_info_get(struct unf_lport_s *v_lport,
+				struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int topo_cfg = 0;
+	enum unf_act_topo_e topo = UNF_ACT_TOP_UNKNOWN;
+	unsigned int port_speed = 0;
+	unsigned int port_id = 0;
+	struct unf_adm_cmd *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+	struct unf_lport_s *lport = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	lport = v_lport;
+	port_id = v_lport->port_id;
+	buff_out = (struct unf_adm_cmd *)v_input->buff_out;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	ret = unf_cm_get_port_topo(port_id, &topo_cfg, &topo);
+	if (ret == RETURN_OK) {
+		ret = unf_cm_get_port_speed(port_id, &port_speed);
+		if (ret == RETURN_OK) {
+			buff_out->arg[0] = lport->port_id;
+			buff_out->arg[1] = topo_cfg;
+			buff_out->arg[2] = topo;
+			buff_out->arg[3] = port_speed;
+			buff_out->arg[4] = lport->link_up;
+
+			msg_head.size = sizeof(struct unf_admin_msg_head) +
+				sizeof(unsigned int) * 5;
+		} else {
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+			msg_head.size = sizeof(struct unf_admin_msg_head);
+		}
+	} else {
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		msg_head.size = sizeof(struct unf_admin_msg_head);
+	}
+
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static int unf_get_port_sfp_info(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_input)
+{
+#define MIN_SFPINFO_LEN 512
+	union unf_sfp_eeprome_info *sfp_info = NULL;
+	int ret = UNF_RETURN_ERROR;
+	unsigned int status = 0;
+	unsigned int sfp_type = 0;
+	unsigned int port_id = 0;
+	char *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(0x2203, UNF_TRUE, v_input, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= MIN_SFPINFO_LEN,
+			return UNF_RETURN_ERROR);
+	buff_out = v_input->buff_out;
+	port_id = v_lport->port_id;
+
+	*v_input->out_size = MIN_SFPINFO_LEN;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	sfp_info = vmalloc(sizeof(union unf_sfp_eeprome_info));
+	if (!sfp_info)
+		return UNF_RETURN_ERROR;
+
+	memset(sfp_info, 0, sizeof(union unf_sfp_eeprome_info));
+
+	ret = unf_cm_get_sfp_info(port_id, &status, sfp_info, &sfp_type);
+	if (ret == UNF_RETURN_ERROR || (status != DRV_CABLE_CONNECTOR_OPTICAL))
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	memcpy(buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+	memcpy((buff_out + msg_head.size),
+	       &sfp_info->sfp_info, sizeof(struct unf_sfp_info_s));
+
+	vfree(sfp_info);
+
+	return ret;
+}
+
+static int unf_cm_clear_error_code_sum(struct unf_lport_s *v_lport,
+				       struct unf_hinicam_pkg *v_input)
+{
+	int ret = RETURN_OK;
+	void *out_buf = NULL;
+	unsigned int port_id = 0;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	port_id = v_lport->port_id;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	ret = unf_cm_clear_port_error_code_sum(port_id);
+	if (ret != RETURN_OK)
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+	return ret;
+}
+
+static int unf_cm_bbscn_set(struct unf_lport_s *v_lport,
+			    struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int bbscn_val = 0;
+	unsigned int port_id = 0;
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32,
+			UNF_TRUE, v_input, return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	port_id = v_lport->port_id;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			out_buf, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			buff_in, return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	bbscn_val = buff_in->arg[1];
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		  "[info]BBSCN value (0x%x)", bbscn_val);
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	if (bbscn_val <= UNF_MAX_BBSCN_VALUE) {
+		ret = unf_cm_set_port_bbscn(port_id, bbscn_val);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]BBSCN value is invalid(0x%x)", bbscn_val);
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static void unf_fc_host_counter(struct unf_lport_s *v_lport,
+				struct hifc_adm_dfx_cmd_s *v_buff_out)
+{
+	unsigned int scsi_id = 0;
+	unsigned int index = 0;
+	struct unf_rport_scsi_id_image_s *scsi_image_table = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport, return);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_buff_out, return);
+
+	scsi_image_table = &v_lport->rport_scsi_table;
+	v_buff_out->unresult.host_cnt.host_num =
+			v_lport->host_info.p_scsi_host->host_no;
+	v_buff_out->unresult.host_cnt.port_id = v_lport->port_id;
+	v_buff_out->unresult.host_cnt.scsi_session_add_success =
+				atomic_read(&v_lport->scsi_session_add_success);
+	v_buff_out->unresult.host_cnt.scsi_session_add_failed =
+				atomic_read(&v_lport->scsi_session_add_failed);
+	v_buff_out->unresult.host_cnt.scsi_session_del_success =
+				atomic_read(&v_lport->scsi_session_del_success);
+	v_buff_out->unresult.host_cnt.scsi_session_del_failed =
+				atomic_read(&v_lport->scsi_session_del_failed);
+	v_buff_out->unresult.host_cnt.device_alloc =
+				atomic_read(&v_lport->device_alloc);
+	v_buff_out->unresult.host_cnt.device_destroy =
+				atomic_read(&v_lport->device_destroy);
+	v_buff_out->unresult.host_cnt.session_loss_tmo =
+				atomic_read(&v_lport->session_loss_tmo);
+	v_buff_out->unresult.host_cnt.alloc_scsi_id =
+				atomic_read(&v_lport->alloc_scsi_id);
+	v_buff_out->unresult.host_cnt.reuse_scsi_id =
+				atomic_read(&v_lport->reuse_scsi_id);
+	v_buff_out->unresult.host_cnt.resume_scsi_id =
+				atomic_read(&v_lport->resume_scsi_id);
+	v_buff_out->unresult.host_cnt.add_start_work_failed =
+				atomic_read(&v_lport->add_start_work_failed);
+	v_buff_out->unresult.host_cnt.add_closing_work_failed =
+				atomic_read(&v_lport->add_closing_work_failed);
+
+	for (scsi_id = 0; scsi_id < UNF_MAX_SCSI_ID / 2; scsi_id++) {
+		index = scsi_id * 2;
+		v_buff_out->unresult.host_cnt.session_state[scsi_id].session1 =
+			(unsigned char)atomic_read(&scsi_image_table->wwn_rport_info_table[index].en_scsi_state);
+
+		index = scsi_id * 2 + 1;
+		v_buff_out->unresult.host_cnt.session_state[scsi_id].session2 =
+			(unsigned char)atomic_read(&scsi_image_table->wwn_rport_info_table[index].en_scsi_state);
+	}
+
+	for (scsi_id = 0; scsi_id < UNF_MAX_SCSI_ID; scsi_id++) {
+		if (!scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter)
+			continue;
+		v_buff_out->unresult.host_cnt.abort_io +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle[UNF_SCSI_ABORT_IO_TYPE]);
+		v_buff_out->unresult.host_cnt.device_reset +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle[UNF_SCSI_DEVICE_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.target_reset +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle[UNF_SCSI_TARGET_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.bus_reset +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle[UNF_SCSI_BUS_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.virtual_reset +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle[UNF_SCSI_VIRTUAL_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.abort_io_result +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle_result[UNF_SCSI_ABORT_IO_TYPE]);
+		v_buff_out->unresult.host_cnt.device_reset_result +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle_result[UNF_SCSI_DEVICE_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.target_reset_result +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle_result[UNF_SCSI_TARGET_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.bus_reset_result +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle_result[UNF_SCSI_BUS_RESET_TYPE]);
+		v_buff_out->unresult.host_cnt.virtual_reset_result +=
+			atomic_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->error_handle_result[UNF_SCSI_VIRTUAL_RESET_TYPE]);
+	}
+}
+
+static void unf_fc_session_counter(struct unf_lport_s *v_lport,
+				   unsigned int scsi_id,
+				   struct hifc_adm_dfx_cmd_s *v_buff_out)
+{
+	struct unf_wwpn_rport_info_s *rport_info = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport, return);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_buff_out, return);
+
+	rport_info = &v_lport->rport_scsi_table.wwn_rport_info_table[scsi_id];
+	v_buff_out->unresult.session_cnt.port_id = v_lport->port_id;
+	v_buff_out->unresult.session_cnt.host_id =
+				v_lport->host_info.p_scsi_host->host_no;
+
+	if (rport_info->dfx_counter) {
+		v_buff_out->unresult.session_cnt.target_busy =
+			atomic64_read(&rport_info->dfx_counter->target_busy);
+		v_buff_out->unresult.session_cnt.host_busy =
+			atomic64_read(&rport_info->dfx_counter->host_busy);
+		v_buff_out->unresult.session_cnt.abort_io =
+			atomic_read(&rport_info->dfx_counter->error_handle[UNF_SCSI_ABORT_IO_TYPE]);
+		v_buff_out->unresult.session_cnt.device_reset =
+			atomic_read(&rport_info->dfx_counter->error_handle[UNF_SCSI_DEVICE_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.target_reset =
+			atomic_read(&rport_info->dfx_counter->error_handle[UNF_SCSI_TARGET_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.bus_reset =
+			atomic_read(&rport_info->dfx_counter->error_handle[UNF_SCSI_BUS_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.virtual_reset =
+			atomic_read(&rport_info->dfx_counter->error_handle[UNF_SCSI_VIRTUAL_RESET_TYPE]);
+
+		v_buff_out->unresult.session_cnt.abort_io_result =
+			atomic_read(&rport_info->dfx_counter->error_handle_result[UNF_SCSI_ABORT_IO_TYPE]);
+		v_buff_out->unresult.session_cnt.device_reset_result =
+			atomic_read(&rport_info->dfx_counter->error_handle_result[UNF_SCSI_DEVICE_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.target_reset_result =
+			atomic_read(&rport_info->dfx_counter->error_handle_result[UNF_SCSI_TARGET_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.bus_reset_result =
+			atomic_read(&rport_info->dfx_counter->error_handle_result[UNF_SCSI_BUS_RESET_TYPE]);
+		v_buff_out->unresult.session_cnt.virtual_reset_result =
+			atomic_read(&rport_info->dfx_counter->error_handle_result[UNF_SCSI_VIRTUAL_RESET_TYPE]);
+
+		v_buff_out->unresult.session_cnt.device_alloc =
+			atomic_read(&rport_info->dfx_counter->device_alloc);
+		v_buff_out->unresult.session_cnt.device_destroy =
+			atomic_read(&rport_info->dfx_counter->device_destroy);
+	}
+
+	v_buff_out->unresult.session_cnt.target_id = rport_info->target_id;
+
+	if ((rport_info->wwpn != INVALID_WWPN) && (rport_info->rport)) {
+		v_buff_out->unresult.session_cnt.remote_port_wwpn =
+						rport_info->wwpn;
+		v_buff_out->unresult.session_cnt.remote_port_nportid =
+						rport_info->rport->nport_id;
+		v_buff_out->unresult.session_cnt.scsi_state =
+					atomic_read(&rport_info->en_scsi_state);
+		v_buff_out->unresult.session_cnt.remote_port_state =
+					rport_info->rport->rp_state;
+		v_buff_out->unresult.session_cnt.remote_port_scsiid =
+					rport_info->rport->scsi_id;
+		v_buff_out->unresult.session_cnt.remote_port_index =
+					rport_info->rport->rport_index;
+
+		if (rport_info->rport->lport) {
+			v_buff_out->unresult.session_cnt.local_port_wwpn =
+					rport_info->rport->lport->port_name;
+			v_buff_out->unresult.session_cnt.local_port_nportid =
+					rport_info->rport->local_nport_id;
+			v_buff_out->unresult.session_cnt.local_port_ini_state =
+					rport_info->rport->lport_ini_state;
+			v_buff_out->unresult.session_cnt.local_port_state =
+					rport_info->rport->lport->en_states;
+		}
+	}
+}
+
+static int unf_fc_session_scsi_cmd_in(
+			struct unf_hinicam_pkg *v_input,
+			struct unf_rport_scsi_id_image_s *scsi_image_table)
+{
+	unsigned int scsi_id = 0;
+	unsigned int scsi_cmd_type = 0;
+	int ret = RETURN_OK;
+
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, scsi_image_table,
+			return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+
+	scsi_id = buff_in->arg[2];
+	scsi_cmd_type = buff_in->arg[3];
+
+	if (scsi_id >= UNF_MAX_SCSI_ID || scsi_cmd_type >= UNF_MAX_SCSI_CMD)
+		return UNF_RETURN_ERROR;
+
+	if (scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter)
+		buff_out->unresult.scsi_cmd_in =
+			atomic64_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->scsi_cmd_cnt[scsi_cmd_type]);
+
+	return ret;
+}
+
+static int unf_fc_host_scsi_cmd_in_total(
+			struct unf_hinicam_pkg *v_input,
+			struct unf_rport_scsi_id_image_s *scsi_image_table)
+{
+	unsigned int scsi_id = 0;
+	unsigned int scsi_cmd_type = 0;
+
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, scsi_image_table,
+			return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+
+	scsi_cmd_type = buff_in->arg[3];
+
+	if (scsi_cmd_type >= UNF_MAX_SCSI_CMD)
+		return UNF_RETURN_ERROR;
+
+	for (scsi_id = 0; scsi_id < UNF_MAX_SCSI_ID; scsi_id++) {
+		if (!scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter)
+			continue;
+		buff_out->unresult.scsi_cmd_in +=
+			atomic64_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->scsi_cmd_cnt[scsi_cmd_type]);
+	}
+
+	return RETURN_OK;
+}
+
+static int unf_fc_host_scsi_cmd_done_total(
+			struct unf_hinicam_pkg *v_input,
+			struct unf_rport_scsi_id_image_s *scsi_image_table)
+{
+	unsigned int scsi_id = 0;
+	unsigned int io_return_value = 0;
+	int ret = RETURN_OK;
+
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, scsi_image_table,
+			return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+
+	io_return_value = buff_in->arg[3];
+
+	if (io_return_value >= UNF_MAX_IO_RETURN_VALUE)
+		return UNF_RETURN_ERROR;
+
+	for (scsi_id = 0; scsi_id < UNF_MAX_SCSI_ID; scsi_id++) {
+		if (!scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter)
+			continue;
+		buff_out->unresult.scsi_cmd_done +=
+			atomic64_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->io_done_cnt[io_return_value]);
+	}
+
+	return ret;
+}
+
+static int unf_fc_session_scsi_cmd_done(
+			struct unf_hinicam_pkg *v_input,
+			struct unf_rport_scsi_id_image_s *scsi_image_table)
+{
+	unsigned int scsi_id = 0;
+	unsigned int io_return_value = 0;
+	int ret = RETURN_OK;
+
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, scsi_image_table,
+			return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+
+	scsi_id = buff_in->arg[2];
+	io_return_value = buff_in->arg[3];
+
+	if (scsi_id >= UNF_MAX_SCSI_ID ||
+	    io_return_value >= UNF_MAX_IO_RETURN_VALUE)
+		return UNF_RETURN_ERROR;
+
+	if (scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter)
+		buff_out->unresult.scsi_cmd_done =
+			atomic64_read(&scsi_image_table->wwn_rport_info_table[scsi_id].dfx_counter->io_done_cnt[io_return_value]);
+
+	return ret;
+}
+
+static int unf_get_io_dfx_statistics(struct unf_lport_s *v_lport,
+				     struct unf_hinicam_pkg *v_input)
+{
+	int ret = RETURN_OK;
+	unsigned int counter_mode = 0;
+	struct hifc_adm_dfx_cmd_s *buff_out = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+	struct unf_rport_scsi_id_image_s *scsi_image_table = NULL;
+	unsigned int scsi_id = 0;
+	struct unf_lport_s *vport = NULL;
+	unsigned int buff_flag = 0;
+
+	buff_flag = (!v_input) || (!v_input->buff_out) ||
+		    (!v_input->buff_in) || (!v_lport);
+	if (buff_flag)
+		return UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct hifc_adm_dfx_cmd_s),
+			return UNF_RETURN_ERROR);
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct hifc_adm_dfx_cmd_s *)v_input->buff_out;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	vport = unf_cm_lookup_vport_by_vp_index(
+				v_lport, (unsigned short)(buff_in->arg[4]));
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, vport,
+			return UNF_RETURN_ERROR);
+
+	scsi_image_table = &vport->rport_scsi_table;
+	FC_DRIVE_ACTION_CHECK((!scsi_image_table->wwn_rport_info_table),
+			      (msg_head.status = UNF_ADMIN_MSG_FAILED),
+			      (ret = UNF_RETURN_ERROR),
+			      goto err);
+
+	counter_mode = buff_in->arg[1];
+	switch (counter_mode) {
+	case FC_HOST_COUNTER:
+		unf_fc_host_counter(vport, buff_out);
+		break;
+	case FC_SESSION_SCSI_CMD_IN:
+		ret = unf_fc_session_scsi_cmd_in(v_input, scsi_image_table);
+		break;
+	case FC_HOST_SCSI_CMD_IN_TOTAL:
+		ret = unf_fc_host_scsi_cmd_in_total(v_input, scsi_image_table);
+		break;
+	case FC_HOST_SCSI_CMD_DONE_TOTAL:
+		ret = unf_fc_host_scsi_cmd_done_total(v_input,
+						      scsi_image_table);
+		break;
+	case FC_SESSION_SCSI_CMD_DONE:
+		ret = unf_fc_session_scsi_cmd_done(v_input, scsi_image_table);
+		break;
+	case FC_SESSION_COUNTER:
+		scsi_id = buff_in->arg[2];
+		FC_DRIVE_ACTION_CHECK((scsi_id >= UNF_MAX_SCSI_ID),
+				      (msg_head.status = UNF_ADMIN_MSG_FAILED),
+				      (ret = UNF_RETURN_ERROR),
+				      goto err);
+		unf_fc_session_counter(vport, scsi_id, buff_out);
+		break;
+	default:
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		ret = UNF_RETURN_ERROR;
+		break;
+	}
+
+	if (ret != RETURN_OK)
+		return ret;
+
+err:
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct hifc_adm_dfx_cmd_s);
+	memcpy(buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+static int unf_cm_switch_dif(unsigned int v_option,
+			     unsigned int v_dix_ip_checksum)
+{
+#define UNF_WAIT_IO_COMPLETE_TIME_MS 5000
+#define UNF_WAIT_ONE_TIME_MS 100
+#define UNF_LOOP_TIMES (UNF_WAIT_IO_COMPLETE_TIME_MS / UNF_WAIT_ONE_TIME_MS)
+
+	int ret = UNF_RETURN_ERROR;
+	struct unf_lport_s *lport = NULL;
+	unsigned long flags = 0;
+	int enable_dif;
+	unsigned int index;
+
+	dix_flag = v_dix_ip_checksum ? UNF_TRUE : UNF_FALSE;
+
+	enable_dif = (v_option >= UNF_ENABLE_DIF_DIX_PROT &&
+		      v_option <= UNF_ENABLE_DIX_PROT);
+	if (enable_dif) {
+		dif_sgl_mode = UNF_TRUE;
+		hifc_dif_enable = UNF_TRUE;
+	}
+
+	switch (v_option) {
+	case UNF_DIF_ACTION_NONE:
+		dif_sgl_mode = UNF_FALSE;
+		hifc_dif_enable = UNF_FALSE;
+		hifc_dif_type = 0;
+		hifc_guard = 0;
+		break;
+
+	case UNF_ENABLE_DIF_DIX_PROT:
+		hifc_dif_type = SHOST_DIF_TYPE1_PROTECTION |
+				SHOST_DIX_TYPE1_PROTECTION;
+		break;
+
+	case UNF_ENABLE_DIF_PROT:
+		hifc_dif_type = SHOST_DIF_TYPE1_PROTECTION;
+		dif_sgl_mode = UNF_FALSE;
+		break;
+
+	case UNF_ENABLE_DIX_PROT:
+		hifc_dif_type = SHOST_DIX_TYPE0_PROTECTION;
+		break;
+
+	default:
+		return UNF_ADMIN_MSG_FAILED;
+	}
+
+	/* 1. Close Lport's SFP */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_entry(lport, &global_lport_mgr.list_lport_list_head,
+			    entry_lport) {
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+
+		ret = unf_cm_sfp_switch(lport->port_id, UNF_FALSE);
+		if (ret != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT,
+				  UNF_ERR,
+				  "[err]Port(0x%x) close SFP failed in DIF switch",
+				  lport->port_id);
+
+			return UNF_ADMIN_MSG_FAILED;
+		}
+		for (index = 0; index < UNF_LOOP_TIMES; index++) {
+			if (unf_busy_io_completed(lport) == UNF_TRUE)
+				break;
+			msleep(UNF_WAIT_ONE_TIME_MS);
+		}
+
+		spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock,
+				  flags);
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+			       flags);
+
+	/* 2. UnRegister the SCSI host of LPort, including its Vports */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_entry(lport, &global_lport_mgr.list_lport_list_head,
+			    entry_lport) {
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+		unf_unregister_scsi_host(lport);
+		spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock,
+				  flags);
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	/* 3. Register the SCSI host of LPort, including its Vports */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_entry(lport, &global_lport_mgr.list_lport_list_head,
+			    entry_lport) {
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+		if (unf_register_scsi_host(lport) != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_REG_ATT,
+				  UNF_WARN, "[warn]Port(0x%x) register scsi host failed in DIF switch",
+				  lport->port_id);
+			return UNF_ADMIN_MSG_FAILED;
+		}
+		spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock,
+				  flags);
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	/* 4. Open Lport's SFP */
+	spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock, flags);
+	list_for_each_entry(lport, &global_lport_mgr.list_lport_list_head,
+			    entry_lport) {
+		spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock,
+				       flags);
+
+		ret = unf_cm_sfp_switch(lport->port_id, UNF_TRUE);
+		if (ret != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT,
+				  UNF_ERR,
+				  "[err]Port(0x%x) reopen SFP failed in DIF switch",
+				  lport->port_id);
+
+			return UNF_ADMIN_MSG_FAILED;
+		}
+
+		spin_lock_irqsave(&global_lport_mgr.global_lport_list_lock,
+				  flags);
+	}
+	spin_unlock_irqrestore(&global_lport_mgr.global_lport_list_lock, flags);
+
+	return UNF_ADMIN_MSG_DONE;
+}
+
+static int unf_cm_switch_app_ref_escape(unsigned int v_option)
+{
+	switch (v_option) {
+	case UNF_APP_REF_ESC_BOTH_NOT_CHECK:
+		dif_app_esc_check = HIFC_DIF_APP_REF_ESC_NOT_CHECK;
+		dif_ref_esc_check = HIFC_DIF_APP_REF_ESC_NOT_CHECK;
+		break;
+
+	case UNF_APP_ESC_CHECK:
+		dif_app_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		dif_ref_esc_check = HIFC_DIF_APP_REF_ESC_NOT_CHECK;
+		break;
+
+	case UNF_REF_ESC_CHECK:
+		dif_app_esc_check = HIFC_DIF_APP_REF_ESC_NOT_CHECK;
+		dif_ref_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		break;
+
+	case UNF_APP_REF_ESC_BOTH_CHECK:
+		dif_app_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		dif_ref_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		break;
+
+	default:
+		dif_app_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		dif_ref_esc_check = HIFC_DIF_APP_REF_ESC_CHECK;
+		break;
+	}
+
+	return UNF_ADMIN_MSG_DONE;
+}
+
+static int unf_cm_select_dif_mode(struct unf_lport_s *v_lport,
+				  struct unf_hinicam_pkg *v_input)
+{
+	unsigned int dif_mode = 0;
+	unsigned int option = 0;
+	unsigned int dix_ip_checksum = 0;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_adm_cmd *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->buff_out,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->buff_in,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct unf_adm_cmd *)v_input->buff_out;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	dif_mode = buff_in->arg[0];
+	option = buff_in->arg[1];
+	dix_ip_checksum = buff_in->arg[2];
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		  "[info]DIF mode(0x%x) sub option(0x%x 0x%x)",
+		  dif_mode, option, dix_ip_checksum);
+
+	switch (dif_mode) {
+	case UNF_SWITCH_DIF_DIX:
+		msg_head.status =
+			(unsigned short)unf_cm_switch_dif(option,
+							  dix_ip_checksum);
+		break;
+
+	case UNF_APP_REF_ESCAPE:
+		msg_head.status =
+			(unsigned short)unf_cm_switch_app_ref_escape(option);
+		break;
+
+	default:
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+		goto end;
+	}
+
+end:
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return RETURN_OK;
+}
+
+static int unf_cm_set_dif(struct unf_lport_s *v_lport,
+			  struct unf_hinicam_pkg *v_input)
+{
+	unsigned int dif_switch = 0;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_adm_cmd *buff_out = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->buff_out,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input->buff_in,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	buff_in = (struct unf_adm_cmd *)v_input->buff_in;
+	buff_out = (struct unf_adm_cmd *)v_input->buff_out;
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+	dif_switch = (buff_in->arg[0]) ?
+		     UNF_ENABLE_DIF_DIX_PROT : UNF_DIF_ACTION_NONE;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		  "[info]DIF switch is 0x%x", dif_switch);
+
+	if (dif_switch == UNF_ENABLE_DIF_DIX_PROT)
+		msg_head.status = (unsigned short)unf_cm_switch_dif(dif_switch,
+					UNF_ENABLE_IP_CHECKSUM);
+	else
+		msg_head.status = (unsigned short)unf_cm_switch_dif(dif_switch,
+					UNF_DISABLE_IP_CHECKSUM);
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(buff_out, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return RETURN_OK;
+}
+
+static unsigned int unf_save_port_info(struct unf_lport_s *lport,
+				       void *save_info_addr)
+{
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(0x2271, UNF_TRUE, save_info_addr,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(0x2271, UNF_TRUE, lport, return UNF_RETURN_ERROR);
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+
+		return ret;
+	}
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SAVE_HBA_INFO, (void *)save_info_addr);
+
+	return ret;
+}
+
+static unsigned int unf_save_port_base_info(struct unf_lport_s *lport,
+					    void *v_save_info)
+{
+	struct unf_save_info_head_s *save_info_head = v_save_info;
+	struct unf_port_info_entry_s *sava_port_entry = NULL;
+	struct unf_low_level_port_mgr_op_s *port_mgr = NULL;
+	unsigned int cfg_speed = 0;
+	unsigned int topo_cfg = 0;
+	int fec = UNF_FALSE;
+	int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, lport,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, save_info_head,
+			return UNF_RETURN_ERROR);
+
+	save_info_head->opcode = 0;
+	/* write information to up */
+	save_info_head->type = UNF_PORT_BASE_INFO; /* port base info */
+	save_info_head->entry_num = 1;
+	save_info_head->next = 0xffff;
+
+	sava_port_entry = (struct unf_port_info_entry_s *)
+			  ((void *)(save_info_head + 1));
+
+	port_mgr = &lport->low_level_func.port_mgr_op;
+	if (!port_mgr->pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->nport_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	/* get Bbscn */
+	sava_port_entry->bb_scn = unf_low_level_bbscn(lport);
+
+	/* get speed */
+	port_mgr->pfn_ll_port_config_get(lport->fc_port,
+					 UNF_PORT_CFG_GET_SPEED_CFG,
+					 (void *)&cfg_speed);
+	sava_port_entry->speed = cfg_speed;
+
+	/* get topo */
+	port_mgr->pfn_ll_port_config_get(lport->fc_port,
+					 UNF_PORT_CFG_GET_TOPO_CFG,
+					 (void *)&topo_cfg);
+	sava_port_entry->topo = topo_cfg;
+
+	/* get fec */
+	port_mgr->pfn_ll_port_config_get(lport->fc_port,
+					 UNF_PORT_CFG_GET_FEC,
+					 (void *)&fec);
+	sava_port_entry->fec = fec;
+
+	ret = (int)unf_save_port_info(lport, v_save_info);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_WARN,
+			  "[warn]Port(0x%x) send mailbox fail",
+			  lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	return RETURN_OK;
+}
+
+unsigned int unf_cm_save_port_info(unsigned int v_port_id)
+{
+	unsigned int port_id = v_port_id;
+	struct unf_lport_s *lport = NULL;
+	struct unf_save_info_head_s *save_info = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EQUIP_ATT, UNF_ERR,
+			  "[err]Port(0x%x) can not be found", port_id);
+
+		return ret;
+	}
+
+	save_info = vmalloc(SAVE_PORT_INFO_LEN);
+	if (!save_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Can't alloc buffer for saving port info");
+
+		return ret;
+	}
+
+	/* 1 clean flush */
+	memset(save_info, 0, SAVE_PORT_INFO_LEN);
+
+	save_info->opcode = 2; /* notify up to clean flush */
+	save_info->type = 0xf;
+	save_info->entry_num = 0;
+	save_info->next = 0xffff;
+
+	ret = unf_save_port_info(lport, save_info);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "[warn]Port(0x%x) send mailbox fail", lport->port_id);
+
+		vfree(save_info);
+
+		return ret;
+	}
+
+	/* 2 save port base information */
+	memset(save_info, 0, SAVE_PORT_INFO_LEN);
+
+	ret = unf_save_port_base_info(lport, save_info);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EQUIP_ATT, UNF_ERR,
+			  "[err]Port(0x%x) save port base information failed",
+			  lport->port_id);
+
+		vfree(save_info);
+
+		return ret;
+	}
+
+	vfree(save_info);
+
+	return ret;
+}
+
+static void unf_handle_port_base_info(struct unf_lport_s *lport,
+				      struct unf_port_info_entry_s *v_save_info)
+{
+	struct unf_port_info_entry_s *sava_port_entry = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, lport, return);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_save_info, return);
+
+	sava_port_entry = v_save_info;
+
+	UNF_CHECK_VALID(INVALID_VALUE32,
+			UNF_TRUE,
+			(sava_port_entry->topo == UNF_TOP_LOOP_MASK) ||
+			(sava_port_entry->topo == UNF_TOP_P2P_MASK) ||
+			(sava_port_entry->topo == UNF_TOP_AUTO_MASK),
+			return);
+
+	if (!lport->low_level_func.port_mgr_op.pfn_ll_port_config_set) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EQUIP_ATT, UNF_ERR,
+			  "Port(0x%x)'s corresponding function is NULL.",
+			  lport->port_id);
+		return;
+	}
+
+	ret = lport->low_level_func.port_mgr_op.pfn_ll_port_config_set(
+		lport->fc_port,
+		UNF_PORT_CFG_SET_HBA_BASE_INFO, (void *)sava_port_entry);
+
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EQUIP_ATT, UNF_ERR,
+			  "Cannot set port base info");
+		return;
+	}
+
+	/* update bbsn cfg to Lport */
+	lport->low_level_func.lport_cfg_items.bb_scn = sava_port_entry->bb_scn;
+
+	lport->low_level_func.lport_cfg_items.port_topology =
+		sava_port_entry->topo;
+}
+
+static unsigned int unf_recovery_save_info(struct unf_lport_s *lport,
+					   void *v_save_info,
+					   unsigned char v_type)
+{
+	struct unf_save_info_head_s *save_info_head = v_save_info;
+	void *info_entry = NULL;
+	int ret = 0;
+	unsigned short next_flag = 0;
+	unsigned char entry_num = 0;
+	unsigned char index = 0;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, lport,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, save_info_head,
+			return UNF_RETURN_ERROR);
+
+	do {
+		memset(save_info_head, 0, SAVE_PORT_INFO_LEN);
+		save_info_head->opcode = 1;
+		/* read information from up */
+		save_info_head->type = v_type;
+		/* vport[qos] info */
+		save_info_head->entry_num = 0xff;
+		save_info_head->next = next_flag;
+
+		ret = (int)unf_save_port_info(lport, save_info_head);
+		if (ret != RETURN_OK) {
+			UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT,
+				  UNF_WARN,
+				  "[warn]Port(0x%x) send mailbox fail",
+				  lport->port_id);
+
+			return UNF_RETURN_ERROR;
+		}
+
+		next_flag = (unsigned short)save_info_head->next;
+		entry_num = (unsigned char)save_info_head->entry_num;
+		info_entry = save_info_head + 1;
+
+		for (index = 0; index < entry_num; index++) {
+			switch (v_type) {
+			case UNF_PORT_BASE_INFO:
+				unf_handle_port_base_info(lport, info_entry);
+				info_entry = ((struct unf_port_info_entry_s *)
+					      info_entry) + 1;
+				break;
+
+			default:
+				UNF_TRACE(UNF_EVTLOG_DRIVER_ERR,
+					  UNF_LOG_EQUIP_ATT,
+					  UNF_ERR,
+					  "[err]Port(0x%x) handle message failed",
+					  lport->port_id);
+				return UNF_RETURN_ERROR;
+			}
+		}
+
+	} while (next_flag != 0xffff);
+
+	return RETURN_OK;
+}
+
+unsigned int unf_cm_get_save_info(struct unf_lport_s *v_lport)
+{
+	struct unf_lport_s *lport = NULL;
+	void *save_info = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport,
+			return UNF_RETURN_ERROR);
+
+	lport = v_lport;
+	save_info = vmalloc(SAVE_PORT_INFO_LEN);
+	if (!save_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Can't alloc buffer for saving port info");
+
+		return ret;
+	}
+
+	/* 1 get port base information */
+	ret = unf_recovery_save_info(lport, save_info, UNF_PORT_BASE_INFO);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "[warn]Port(0x%x) send mailbox fail", lport->port_id);
+
+		vfree(save_info);
+
+		return ret;
+	}
+
+	vfree(save_info);
+
+	return ret;
+}
+
+int unf_get_link_lose_tmo(struct unf_lport_s *v_lport)
+{
+	unsigned int tmo_value = 0;
+
+	if (!v_lport)
+		return UNF_LOSE_TMO;
+
+	tmo_value = atomic_read(&v_lport->link_lose_tmo);
+
+	if (!tmo_value)
+		tmo_value = UNF_LOSE_TMO;
+
+	return (int)tmo_value;
+}
+
+int unf_get_link_lose_tmo_from_up(struct unf_lport_s *v_lport,
+				  struct unf_flash_link_tmo_s *v_link_tmo)
+{
+	int ret = UNF_RETURN_ERROR;
+	struct unf_flash_data_s flash_data;
+
+	if (!v_lport || !v_link_tmo || (sizeof(struct unf_flash_data_s)
+	    > HIFC_FLASH_DATA_MAX_LEN)) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]get flas link tmo param check fail");
+		return ret;
+	}
+	memset(&flash_data, 0, sizeof(struct unf_flash_data_s));
+
+	if (!v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]link tmo fun null");
+		return ret;
+	}
+	if (v_lport->low_level_func.port_mgr_op.pfn_ll_port_config_get(
+		v_lport->fc_port,
+		UNF_PORT_CFG_GET_FLASH_DATA_INFO, &flash_data) !=
+	    RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_NORMAL, UNF_KEVENT,
+			  "[warn]get link tmo from up fail");
+		return ret;
+	}
+	ret = RETURN_OK;
+	memcpy(v_link_tmo, &flash_data.link_tmo, HIFC_FLASH_LINK_TMO_MAX_LEN);
+
+	return ret;
+}
+
+void unf_init_link_lose_tmo(struct unf_lport_s *v_lport)
+{
+	struct unf_flash_link_tmo_s flash_link_tmo;
+	unsigned int tmo;
+
+	memset(&flash_link_tmo, 0, sizeof(struct unf_flash_link_tmo_s));
+
+	if (!v_lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "[warn]int link tmo param check fail");
+		return;
+	}
+	if ((unf_get_link_lose_tmo_from_up(v_lport, &flash_link_tmo) ==
+	     RETURN_OK) &&
+	    (flash_link_tmo.writeflag == HIFC_MGMT_TMO_MAGIC_NUM)) {
+		tmo = (((unsigned int)flash_link_tmo.link_tmo3 << 24) |
+				((unsigned int)flash_link_tmo.link_tmo2 << 16) |
+				((unsigned int)flash_link_tmo.link_tmo1 << 8) |
+				flash_link_tmo.link_tmo0);
+		if (tmo > 600)
+			unf_set_link_lose_tmo(v_lport, UNF_LOSE_TMO);
+		else
+			atomic_set(&v_lport->link_lose_tmo, (int)tmo);
+	} else {
+		unf_set_link_lose_tmo(v_lport, UNF_LOSE_TMO);
+	}
+}
+
+unsigned int unf_register_scsi_host(struct unf_lport_s *v_lport)
+{
+	struct unf_host_param_s host_param = { 0 };
+	unf_scsi_host_s **p_scsi_host = NULL;
+	struct unf_lport_cfg_item_s *lport_cfg_items = NULL;
+
+	UNF_CHECK_VALID(0x1359, TRUE, v_lport, return UNF_RETURN_ERROR);
+
+	/* Point to -->> L_port->Scsi_host */
+	p_scsi_host = &v_lport->host_info.p_scsi_host;
+
+	lport_cfg_items = &v_lport->low_level_func.lport_cfg_items;
+	host_param.can_queue = (int)lport_cfg_items->max_queue_depth;
+
+	/* Performance optimization */
+	host_param.cmnd_per_lun = UNF_MAX_CMND_PER_LUN;
+
+	host_param.sg_table_size = UNF_MAX_DMA_SEGS;
+	host_param.max_id = UNF_MAX_TARGET_NUMBER;
+	host_param.max_lun = UNF_DEFAULT_MAX_LUN;
+	host_param.max_channel = UNF_MAX_BUS_CHANNEL;
+	host_param.max_cmnd_len = UNF_MAX_SCSI_CMND_LEN;  /* CDB-16 */
+	host_param.dma_boundary = UNF_DMA_BOUNDARY;
+	host_param.max_sectors = UNF_MAX_SECTORS;
+	host_param.port_id = v_lport->port_id;
+	host_param.lport = v_lport;
+	host_param.pdev = &v_lport->low_level_func.dev->dev;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Port(0x%x) allocate scsi host: can queue(%u), command performance LUN(%u), max lun(%u)",
+		  v_lport->port_id, host_param.can_queue,
+		  host_param.cmnd_per_lun, host_param.max_lun);
+
+	if (unf_alloc_scsi_host(p_scsi_host, &host_param) != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_ERR,
+			  "[err]Port(0x%x) allocate scsi host failed",
+			  v_lport->port_id);
+
+		return UNF_RETURN_ERROR;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_KEVENT,
+		  "[event]Port(0x%x) allocate scsi host(0x%x) succeed",
+		  v_lport->port_id, UNF_GET_SCSI_HOST_ID(*p_scsi_host));
+
+	return RETURN_OK;
+}
+
+void unf_unregister_scsi_host(struct unf_lport_s *v_lport)
+{
+	unf_scsi_host_s *p_scsi_host = NULL;
+	unsigned int host_no = 0;
+
+	UNF_REFERNCE_VAR(p_scsi_host);
+	UNF_CHECK_VALID(0x1360, TRUE, v_lport, return);
+
+	p_scsi_host = v_lport->host_info.p_scsi_host;
+
+	if (p_scsi_host) {
+		host_no = UNF_GET_SCSI_HOST_ID(p_scsi_host);
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[event]Port(0x%x) starting unregister scsi host(0x%x)",
+			  v_lport->port_id, host_no);
+
+		unf_free_scsi_host(p_scsi_host);
+		/* can`t set p_scsi_host for NULL,
+		 * since it does`t alloc by itself
+		 */
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_KEVENT,
+			  "[warn]Port(0x%x) unregister scsi host, invalid ScsiHost ",
+			  v_lport->port_id);
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_MAJOR,
+		  "[event]Port(0x%x) unregister scsi host(0x%x) succeed",
+		  v_lport->port_id, host_no);
+
+	v_lport->destroy_step = UNF_LPORT_DESTROY_STEP_12_UNREG_SCSI_HOST;
+
+	UNF_REFERNCE_VAR(p_scsi_host);
+	UNF_REFERNCE_VAR(host_no);
+}
+
+unsigned int unf_cm_clear_flush(unsigned int v_port_id)
+{
+	unsigned int port_id = v_port_id;
+	struct unf_lport_s *lport = NULL;
+	struct unf_save_info_head_s *save_info = NULL;
+	unsigned int ret = UNF_RETURN_ERROR;
+
+	lport = unf_find_lport_by_port_id(port_id);
+	if (!lport) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EQUIP_ATT, UNF_ERR,
+			  "[err]Port(0x%x) can not be found", port_id);
+
+		return ret;
+	}
+
+	save_info = vmalloc(SAVE_PORT_INFO_LEN);
+	if (!save_info) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_NORMAL, UNF_ERR,
+			  "[err]Can't alloc buffer for saving port info");
+
+		return ret;
+	}
+
+	/* 1 clean flush */
+	memset(save_info, 0, SAVE_PORT_INFO_LEN);
+
+	save_info->opcode = 2; /* notify up to clean flush */
+	save_info->type = 0xf;
+	save_info->entry_num = 0;
+	save_info->next = 0xffff;
+
+	ret = unf_save_port_info(lport, save_info);
+	if (ret != RETURN_OK) {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EQUIP_ATT, UNF_MAJOR,
+			  "[warn]Port(0x%x) send mailbox fail", lport->port_id);
+
+		vfree(save_info);
+
+		return ret;
+	}
+
+	vfree(save_info);
+
+	return ret;
+}
+
+static int unf_cm_save_data_mode(struct unf_lport_s *v_lport,
+				 struct unf_hinicam_pkg *v_input)
+{
+	int ret = UNF_RETURN_ERROR;
+	unsigned int save_data_mode = 0;
+	unsigned int port_id = 0;
+	void *out_buf = NULL;
+	struct unf_adm_cmd *buff_in = NULL;
+	struct unf_admin_msg_head msg_head = { 0 };
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	out_buf = v_input->buff_out;
+	buff_in = v_input->buff_in;
+	port_id = v_lport->port_id;
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, out_buf,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, buff_in,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			v_input->in_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE,
+			*v_input->out_size >= sizeof(struct unf_adm_cmd),
+			return UNF_RETURN_ERROR);
+
+	save_data_mode = buff_in->arg[0];
+
+	msg_head.status = UNF_ADMIN_MSG_DONE;
+
+	if (save_data_mode == UNF_SAVA_INFO_MODE) {
+		ret = (int)unf_cm_save_port_info(port_id);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+	} else if (save_data_mode == UNF_CLEAN_INFO_MODE) {
+		ret = (int)unf_cm_clear_flush(port_id);
+		if (ret != RETURN_OK)
+			msg_head.status = UNF_ADMIN_MSG_FAILED;
+	} else {
+		UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_REG_ATT, UNF_MAJOR,
+			  "[err]This mode(0x%x) is unknown", save_data_mode);
+		msg_head.status = UNF_ADMIN_MSG_FAILED;
+	}
+
+	msg_head.size = sizeof(struct unf_admin_msg_head);
+	*v_input->out_size = sizeof(struct unf_adm_cmd);
+	memcpy(out_buf, &msg_head, sizeof(struct unf_admin_msg_head));
+
+	return ret;
+}
+
+int unf_cmd_adm_handler(void *v_lport, struct unf_hinicam_pkg *v_input)
+{
+	struct unf_lport_s *lport = NULL;
+	int ret = UNF_RETURN_ERROR;
+	enum unf_msg_format_e msg_formate;
+	unsigned int index = 0;
+
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_lport,
+			return UNF_RETURN_ERROR);
+	UNF_CHECK_VALID(INVALID_VALUE32, UNF_TRUE, v_input,
+			return UNF_RETURN_ERROR);
+	lport = (struct unf_lport_s *)v_lport;
+	msg_formate = v_input->msg_format;
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_INFO, UNF_LOG_REG_ATT, UNF_INFO,
+		  "[info]Enter HIFC_Adm, msg_formate=0x%x, 0x%x",
+		  msg_formate, *v_input->out_size);
+
+	/* hifcadm event */
+	while (index < (sizeof(unf_hifcadm_action) /
+	       sizeof(struct unf_hifcadm_action_s))) {
+		if ((msg_formate == unf_hifcadm_action[index].hifc_action) &&
+		    unf_hifcadm_action[index].fn_unf_hifc_action) {
+			ret = unf_hifcadm_action[index].fn_unf_hifc_action(lport, v_input);
+			if (ret != RETURN_OK) {
+				UNF_TRACE(UNF_EVTLOG_DRIVER_WARN, UNF_LOG_EVENT,
+					  UNF_WARN,
+					  "[warn]Port(0x%x) process up msg(0x%x) failed",
+					  lport->port_id, msg_formate);
+			}
+			return ret;
+		}
+		index++;
+	}
+
+	UNF_TRACE(UNF_EVTLOG_DRIVER_ERR, UNF_LOG_EVENT, UNF_KEVENT,
+		  "[event]Port(0x%x) not support adm cmd, msg type(0x%x) ",
+		  lport->port_id, msg_formate);
+
+	return ret;
+}
diff --git a/drivers/scsi/huawei/hifc/unf_portman.h b/drivers/scsi/huawei/hifc/unf_portman.h
new file mode 100644
index 000000000000..6c6083889167
--- /dev/null
+++ b/drivers/scsi/huawei/hifc/unf_portman.h
@@ -0,0 +1,305 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Huawei Hifc PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ *
+ */
+#ifndef __UNF_PORT_MAN_H__
+#define __UNF_PORT_MAN_H__
+
+#define UNF_LPORT_POLL_TIMER ((unsigned int)(1 * 1000))
+
+#define UNF_MAX_BBSCN_VALUE     14
+#define UNF_SAVA_INFO_MODE      0
+#define UNF_CLEAN_INFO_MODE     1
+
+#define FC_DRIVE_ACTION_CHECK(condition, fail_do0, fail_do1, return) \
+	do {                                                         \
+		if (condition) {                                     \
+			fail_do0;                                    \
+			fail_do1;                                    \
+			return;                                      \
+		}                                                    \
+	} while (0)
+
+/* Used in hifcadm tool */
+#define UNF_ENABLE_DIF_DIX_PROT 1
+#define UNF_ENABLE_DIF_PROT     2
+#define UNF_ENABLE_DIX_PROT     3
+
+#define UNF_DISABLE_IP_CHECKSUM 0
+#define UNF_ENABLE_IP_CHECKSUM  1
+
+#define UNF_APP_REF_ESC_BOTH_NOT_CHECK 0
+#define UNF_APP_ESC_CHECK              1
+#define UNF_REF_ESC_CHECK              2
+#define UNF_APP_REF_ESC_BOTH_CHECK     3
+
+struct unf_global_card_thread_s {
+	struct list_head list_card_list_head;
+	spinlock_t global_card_list_lock;
+	unsigned int card_sum;
+};
+
+/* Global L_Port MG,manage all L_Port */
+struct unf_global_lport_s {
+	struct list_head list_lport_list_head;
+
+	/* Temporary list,used in hold list traverse */
+	struct list_head list_intergrad_head;
+
+	/* destroy list,used in card remove */
+	struct list_head list_destroy_head;
+
+	/* Dirty list,abnormal port */
+	struct list_head list_dirty_head;
+	spinlock_t global_lport_list_lock;
+	unsigned int lport_sum;
+	unsigned char dft_mode;
+	int b_start_work;
+};
+
+struct unf_reset_port_argin {
+	unsigned int port_id;
+};
+
+struct unf_get_topo_argout {
+	unsigned int *topo_cfg;
+	enum unf_act_topo_e *en_act_topo;
+};
+
+struct unf_set_topo_argin {
+	unsigned int port_id;
+	unsigned int topo;
+};
+
+struct unf_set_bbscn_argin {
+	unsigned int port_id;
+	unsigned int bb_scn;
+};
+
+struct unf_set_sfp_argin {
+	unsigned int port_id;
+	int turn_on;
+};
+
+struct unf_set_speed_argin {
+	unsigned int port_id;
+	unsigned int *speed;
+};
+
+struct unf_get_sfp_argout {
+	unsigned int *status;
+	union unf_sfp_eeprome_info *sfp_info;
+};
+
+struct unf_get_allinfo_argout {
+	unsigned int *out_size;
+	unsigned int in_size;
+	void *out_buf;
+	void *in_buf;
+	void *lport;
+};
+
+struct unf_port_action_s {
+	unsigned int action;
+	unsigned int (*fn_unf_action)(struct unf_lport_s *v_lport,
+				      void *v_input);
+};
+
+struct unf_hifcadm_action_s {
+	unsigned int hifc_action;
+	int (*fn_unf_hifc_action)(struct unf_lport_s *v_lport,
+				  struct unf_hinicam_pkg *v_input);
+};
+
+struct unf_lport_info {
+#define NPIVMAX 255
+	unsigned int port_id;
+	unsigned int options;
+	int b_start_work;
+	unsigned int phy_link;
+	unsigned int link_up;
+	unsigned int act_speed;
+	unsigned int cfg_speed;
+	unsigned int tape_support;
+	unsigned long long port_name;
+	unsigned int msi;
+	unsigned int ini_io_retry_timeout;
+	unsigned int support_max_npiv_num;
+	unsigned int act_topo;
+	unsigned int port_topology;
+	unsigned int fc_ser_max_speed;
+	unsigned int loss_of_signal_count;
+	unsigned int bad_rx_char_count;
+	unsigned int loss_of_sync_count;
+	unsigned int link_fail_count;
+	unsigned int rx_eo_fa_count;
+	unsigned int dis_frame_count;
+	unsigned int bad_crc_count;
+	unsigned int proto_error_count;
+	unsigned int cfg_led_mode;
+	unsigned char chip_type;
+	unsigned char vport_num;
+	unsigned short rsvd1;
+	unsigned int vport_id[NPIVMAX];
+	unsigned int nport_id;
+};
+
+struct unf_admin_msg_head {
+	unsigned int size;
+	unsigned short status;
+	unsigned char success_num;
+	unsigned char rsvd;
+};
+
+#define UNF_PORT_INFO_SIZE 10
+
+struct unf_adm_cmd {
+	struct unf_admin_msg_head msg_head;
+	unsigned int arg[UNF_PORT_INFO_SIZE];
+};
+
+struct unf_adm_xchg {
+	unsigned int aborted;
+	unsigned int ini_busy;
+	unsigned int tgt_busy;
+	unsigned int delay;
+	unsigned int free;
+	unsigned int wait;
+	unsigned int sfs_free;
+	unsigned int sfs_busy;
+};
+
+enum unf_admin_msg_status_e {
+	UNF_ADMIN_MSG_DONE = 0,
+	UNF_ADMIN_MSG_INCOMPLETE,
+	UNF_ADMIN_MSG_FAILED,
+	UNF_ADMIN_MSG_BUTT
+};
+
+/* the structure define with fc unf driver */
+enum fc_dfx_io_count_type_e {
+	FC_HOST_COUNTER = 0,
+	FC_HOST_SCSI_CMD_IN_TOTAL,
+	FC_HOST_SCSI_CMD_DONE_TOTAL,
+	FC_SESSION_COUNTER,
+	FC_SESSION_SCSI_CMD_IN,
+	FC_SESSION_SCSI_CMD_DONE,
+	FC_SRB_COUNT,
+};
+
+enum unf_msg_format_e {
+	UNF_PORT_SET_OP = 1,
+	UNF_TOPO_SET_OP,
+	UNF_SPEED_SET_OP,
+	UNF_INFO_GET_OP,
+	UNF_INFO_CLEAR_OP,
+	UNF_SFP_INFO_OP,
+	UNF_DFX,
+	UNF_FEC_SET = 8,
+	UNF_BBSCN,
+	UNF_VPORT,
+	UNF_LINK_DELAY = 11,
+	UNF_DIF,
+	UNF_DIF_CONFIG = 14,
+	UNF_SAVA_DATA,
+	UNF_SHOW_XCHG = 23,
+	UNF_PORTSTAT = 24,
+	UNF_ALL_INFO_OP = 25,
+	FC_LINK_TMO_OPT = 26,
+	FC_DRV_LOG_OPT = 27,
+	UNF_COMPAT_TEST = 0xFF
+};
+
+struct unf_save_info_head_s {
+	unsigned int opcode : 4;
+	unsigned int type : 4;
+	unsigned int entry_num : 8;
+	unsigned int next : 16;
+};
+
+enum unf_save_info_type_e {
+	UNF_SESSION_QOS = 0,
+	UNF_PORT_BASE_INFO = 2,
+	UNF_SAVE_TYPE_BUTT,
+};
+
+struct unf_link_tmo_opt_s {
+	struct unf_admin_msg_head head;
+	unsigned int link_opt;
+	int tmo_value;
+	unsigned int sync_all_port;
+};
+
+struct unf_log_level_opt_s {
+	struct unf_admin_msg_head head;
+	unsigned int log_opt;
+	unsigned int log_level;
+	unsigned int log_fre_qunce;
+};
+
+extern struct unf_global_lport_s global_lport_mgr;
+extern struct unf_global_card_thread_s card_thread_mgr;
+extern struct workqueue_struct *unf_work_queue;
+
+struct unf_lport_s *unf_find_lport_by_port_id(unsigned int v_port_id);
+struct unf_lport_s *unf_find_lport_by_scsi_host_id(unsigned int scsi_host_id);
+void *unf_lport_create_and_init(
+			void *private_data,
+			struct unf_low_level_function_op_s *low_level_op);
+int unf_cm_reset_port(unsigned int v_port_id);
+int unf_cm_sfp_switch(unsigned int v_port_id, int v_bturn_on);
+int unf_cm_get_sfp_info(unsigned int v_port_id, unsigned int *v_status,
+			union unf_sfp_eeprome_info *v_sfp_info,
+			unsigned int *sfp_type);
+int unf_cm_set_port_bbscn(unsigned int v_port_id, unsigned int v_bbscn);
+int unf_cm_set_port_topo(unsigned int v_port_id, unsigned int v_topo);
+int unf_cm_get_port_topo(unsigned int v_port_id,
+			 unsigned int *v_topo_cfg,
+			 enum unf_act_topo_e *v_en_act_topo);
+int unf_cm_clear_port_error_code_sum(unsigned int v_port_id);
+unsigned int unf_fc_port_link_event(void *v_lport, unsigned int v_events,
+				    void *v_input);
+unsigned int unf_release_local_port(void *v_lport);
+void unf_lport_route_work(struct work_struct *v_work);
+void unf_lport_update_topo(struct unf_lport_s *v_lport,
+			   enum unf_act_topo_e v_enactive_topo);
+void unf_lport_ref_dec(struct unf_lport_s *v_lport);
+unsigned int unf_lport_refinc(struct unf_lport_s *v_lport);
+void unf_lport_ref_dec_to_destroy(struct unf_lport_s *v_lport);
+int unf_send_event(unsigned int port_id, unsigned int syn_flag,
+		   void *argc_in, void *argc_out,
+		   int (*p_func)(void *argc_in, void *argc_out));
+void unf_port_mgmt_deinit(void);
+void unf_port_mgmt_init(void);
+int unf_cm_echo_test(unsigned int v_port_id, unsigned int v_nport_id,
+		     unsigned int *v_link_delay);
+void unf_show_dirty_port(int v_show_only, unsigned int *v_ditry_port_num);
+unsigned int unf_get_error_code_sum(struct unf_lport_s *v_lport,
+				    struct unf_err_code_s *v_fc_err_code);
+int unf_cm_set_port_speed(unsigned int v_port_id, unsigned int *v_speed);
+void *unf_lookup_lport_by_nport_id(void *v_lport, unsigned int v_nport_id);
+int unf_cmd_adm_handler(void *v_lport, struct unf_hinicam_pkg *v_input);
+unsigned int unf_is_lport_valid(struct unf_lport_s *v_lport);
+unsigned int unf_cm_save_port_info(unsigned int v_port_id);
+unsigned int unf_cm_get_save_info(struct unf_lport_s *v_lport);
+unsigned int unf_cm_clear_flush(unsigned int v_port_id);
+int unf_lport_reset_port(struct unf_lport_s *v_lport, unsigned int v_flag);
+unsigned int unf_register_scsi_host(struct unf_lport_s *v_lport);
+void unf_unregister_scsi_host(struct unf_lport_s *v_lport);
+int unf_get_link_lose_tmo(struct unf_lport_s *v_lport);
+int unf_set_link_lose_tmo(struct unf_lport_s *v_lport, int time_out);
+void unf_init_link_lose_tmo(struct unf_lport_s *v_lport);
+int unf_set_link_lose_tmo_to_all(int time_out);
+void unf_destroy_scsi_id_table(struct unf_lport_s *v_lport);
+unsigned int unf_lport_login(struct unf_lport_s *v_lport,
+			     enum unf_act_topo_e v_en_act_topo);
+unsigned int unf_init_scsi_id_table(struct unf_lport_s *v_lport);
+void unf_set_lport_removing(struct unf_lport_s *v_lport);
+void unf_lport_release_lw_fun_op(struct unf_lport_s *v_lport);
+void unf_disc_state_ma(struct unf_lport_s *v_lport,
+		       enum unf_disc_event_e v_event);
+unsigned int unf_init_lport_mgr_temp(struct unf_lport_s *v_lport);
+void unf_release_lport_mgr_temp(struct unf_lport_s *v_lport);
+
+#endif
-- 
2.25.1

    

2024

2023

2022

2021

2020

2019

[PATCH 2/7] scsi/hifc: add hifc driver port manager module