diff options
Diffstat (limited to 'drivers/scsi/qedi/qedi_sysfs.c')
-rw-r--r-- | drivers/scsi/qedi/qedi_sysfs.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/scsi/qedi/qedi_sysfs.c b/drivers/scsi/qedi/qedi_sysfs.c new file mode 100644 index 0000000000..b00a7e08ef --- /dev/null +++ b/drivers/scsi/qedi/qedi_sysfs.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + */ + +#include "qedi.h" +#include "qedi_gbl.h" +#include "qedi_iscsi.h" +#include "qedi_dbg.h" + +static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev) +{ + struct Scsi_Host *shost = class_to_shost(dev); + + return iscsi_host_priv(shost); +} + +static ssize_t port_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct qedi_ctx *qedi = qedi_dev_to_hba(dev); + + if (atomic_read(&qedi->link_state) == QEDI_LINK_UP) + return sprintf(buf, "Online\n"); + else + return sprintf(buf, "Linkdown\n"); +} + +static ssize_t speed_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct qedi_ctx *qedi = qedi_dev_to_hba(dev); + struct qed_link_output if_link; + + qedi_ops->common->get_link(qedi->cdev, &if_link); + + return sprintf(buf, "%d Gbit\n", if_link.speed / 1000); +} + +static DEVICE_ATTR_RO(port_state); +static DEVICE_ATTR_RO(speed); + +static struct attribute *qedi_shost_attrs[] = { + &dev_attr_port_state.attr, + &dev_attr_speed.attr, + NULL +}; + +static const struct attribute_group qedi_shost_attr_group = { + .attrs = qedi_shost_attrs +}; + +const struct attribute_group *qedi_shost_groups[] = { + &qedi_shost_attr_group, + NULL +}; |