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Commit c07c54b0 authored by Chad Dupuis's avatar Chad Dupuis Committed by Martin K. Petersen
Browse files

scsi: qedf: Add fka_period SCSI host attribute to show fip keep alive period.



Expose this information for interested applications.

Signed-off-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent ff34e8e8
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+38 −19
Original line number Diff line number Diff line
@@ -8,6 +8,25 @@
 */
#include "qedf.h"

inline bool qedf_is_vport(struct qedf_ctx *qedf)
{
	return qedf->lport->vport != NULL;
}

/* Get base qedf for physical port from vport */
static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
{
	struct fc_lport *lport;
	struct fc_lport *base_lport;

	if (!(qedf_is_vport(qedf)))
		return NULL;

	lport = qedf->lport;
	base_lport = shost_priv(vport_to_shost(lport->vport));
	return lport_priv(base_lport);
}

static ssize_t
qedf_fcoe_mac_show(struct device *dev,
	struct device_attribute *attr, char *buf)
@@ -26,34 +45,34 @@ qedf_fcoe_mac_show(struct device *dev,
	return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac);
}

static ssize_t
qedf_fka_period_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct fc_lport *lport = shost_priv(class_to_shost(dev));
	struct qedf_ctx *qedf = lport_priv(lport);
	int fka_period = -1;

	if (qedf_is_vport(qedf))
		qedf = qedf_get_base_qedf(qedf);

	if (qedf->ctlr.sel_fcf)
		fka_period = qedf->ctlr.sel_fcf->fka_period;

	return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period);
}

static DEVICE_ATTR(fcoe_mac, S_IRUGO, qedf_fcoe_mac_show, NULL);
static DEVICE_ATTR(fka_period, S_IRUGO, qedf_fka_period_show, NULL);

struct device_attribute *qedf_host_attrs[] = {
	&dev_attr_fcoe_mac,
	&dev_attr_fka_period,
	NULL,
};

extern const struct qed_fcoe_ops *qed_ops;

inline bool qedf_is_vport(struct qedf_ctx *qedf)
{
	return (!(qedf->lport->vport == NULL));
}

/* Get base qedf for physical port from vport */
static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
{
	struct fc_lport *lport;
	struct fc_lport *base_lport;

	if (!(qedf_is_vport(qedf)))
		return NULL;

	lport = qedf->lport;
	base_lport = shost_priv(vport_to_shost(lport->vport));
	return (struct qedf_ctx *)(lport_priv(base_lport));
}

void qedf_capture_grc_dump(struct qedf_ctx *qedf)
{
	struct qedf_ctx *base_qedf;