1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic iSCSI Offload Driver
4 * Copyright (c) 2016 Cavium Inc.
5 */
6
7 #include "qedi.h"
8 #include "qedi_gbl.h"
9 #include "qedi_iscsi.h"
10 #include "qedi_dbg.h"
11
qedi_dev_to_hba(struct device * dev)12 static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
13 {
14 struct Scsi_Host *shost = class_to_shost(dev);
15
16 return iscsi_host_priv(shost);
17 }
18
port_state_show(struct device * dev,struct device_attribute * attr,char * buf)19 static ssize_t port_state_show(struct device *dev,
20 struct device_attribute *attr,
21 char *buf)
22 {
23 struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
24
25 if (atomic_read(&qedi->link_state) == QEDI_LINK_UP)
26 return sprintf(buf, "Online\n");
27 else
28 return sprintf(buf, "Linkdown\n");
29 }
30
speed_show(struct device * dev,struct device_attribute * attr,char * buf)31 static ssize_t speed_show(struct device *dev,
32 struct device_attribute *attr, char *buf)
33 {
34 struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
35 struct qed_link_output if_link;
36
37 qedi_ops->common->get_link(qedi->cdev, &if_link);
38
39 return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
40 }
41
42 static DEVICE_ATTR_RO(port_state);
43 static DEVICE_ATTR_RO(speed);
44
45 static struct attribute *qedi_shost_attrs[] = {
46 &dev_attr_port_state.attr,
47 &dev_attr_speed.attr,
48 NULL
49 };
50
51 static const struct attribute_group qedi_shost_attr_group = {
52 .attrs = qedi_shost_attrs
53 };
54
55 const struct attribute_group *qedi_shost_groups[] = {
56 &qedi_shost_attr_group,
57 NULL
58 };
59