LXR linux/drivers/scsi/qedi/qedi

   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
  12static 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
  19static ssize_t qedi_show_port_state(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
  31static ssize_t qedi_show_speed(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
  42static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL);
  43static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL);
  44
  45struct device_attribute *qedi_shost_attrs[] = {
  46        &dev_attr_port_state,
  47        &dev_attr_speed,
  48        NULL
  49};
  50