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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

drivers/scsi/qedf/qedf_attr.c

+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;