1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * QLogic iSCSI Offload Driver
4*4882a593Smuzhiyun * Copyright (c) 2016 Cavium Inc.
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include "qedi.h"
8*4882a593Smuzhiyun #include "qedi_gbl.h"
9*4882a593Smuzhiyun #include "qedi_iscsi.h"
10*4882a593Smuzhiyun #include "qedi_dbg.h"
11*4882a593Smuzhiyun
qedi_dev_to_hba(struct device * dev)12*4882a593Smuzhiyun static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun struct Scsi_Host *shost = class_to_shost(dev);
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun return iscsi_host_priv(shost);
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun
qedi_show_port_state(struct device * dev,struct device_attribute * attr,char * buf)19*4882a593Smuzhiyun static ssize_t qedi_show_port_state(struct device *dev,
20*4882a593Smuzhiyun struct device_attribute *attr,
21*4882a593Smuzhiyun char *buf)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun if (atomic_read(&qedi->link_state) == QEDI_LINK_UP)
26*4882a593Smuzhiyun return sprintf(buf, "Online\n");
27*4882a593Smuzhiyun else
28*4882a593Smuzhiyun return sprintf(buf, "Linkdown\n");
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
qedi_show_speed(struct device * dev,struct device_attribute * attr,char * buf)31*4882a593Smuzhiyun static ssize_t qedi_show_speed(struct device *dev,
32*4882a593Smuzhiyun struct device_attribute *attr, char *buf)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
35*4882a593Smuzhiyun struct qed_link_output if_link;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun qedi_ops->common->get_link(qedi->cdev, &if_link);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL);
43*4882a593Smuzhiyun static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun struct device_attribute *qedi_shost_attrs[] = {
46*4882a593Smuzhiyun &dev_attr_port_state,
47*4882a593Smuzhiyun &dev_attr_speed,
48*4882a593Smuzhiyun NULL
49*4882a593Smuzhiyun };
50