diff options
Diffstat (limited to 'drivers/scsi/qedi/qedi_sysfs.c')
-rw-r--r-- | drivers/scsi/qedi/qedi_sysfs.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/scsi/qedi/qedi_sysfs.c b/drivers/scsi/qedi/qedi_sysfs.c new file mode 100644 index 000000000000..b10c48bd1428 --- /dev/null +++ b/drivers/scsi/qedi/qedi_sysfs.c @@ -0,0 +1,52 @@ +/* + * QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ + +#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 qedi_show_port_state(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 qedi_show_speed(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(port_state, 0444, qedi_show_port_state, NULL); +static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL); + +struct device_attribute *qedi_shost_attrs[] = { + &dev_attr_port_state, + &dev_attr_speed, + NULL +}; |