scsi: qedf: Add fka_period SCSI host attribute to show fip keep alive period.
Expose this information for interested applications. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -8,6 +8,25 @@
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*/
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#include "qedf.h"
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inline bool qedf_is_vport(struct qedf_ctx *qedf)
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{
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return qedf->lport->vport != NULL;
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}
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/* Get base qedf for physical port from vport */
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static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
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{
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struct fc_lport *lport;
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struct fc_lport *base_lport;
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if (!(qedf_is_vport(qedf)))
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return NULL;
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lport = qedf->lport;
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base_lport = shost_priv(vport_to_shost(lport->vport));
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return lport_priv(base_lport);
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}
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static ssize_t
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qedf_fcoe_mac_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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@ -26,34 +45,34 @@ qedf_fcoe_mac_show(struct device *dev,
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return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac);
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}
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static ssize_t
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qedf_fka_period_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct fc_lport *lport = shost_priv(class_to_shost(dev));
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struct qedf_ctx *qedf = lport_priv(lport);
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int fka_period = -1;
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if (qedf_is_vport(qedf))
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qedf = qedf_get_base_qedf(qedf);
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if (qedf->ctlr.sel_fcf)
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fka_period = qedf->ctlr.sel_fcf->fka_period;
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return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period);
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}
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static DEVICE_ATTR(fcoe_mac, S_IRUGO, qedf_fcoe_mac_show, NULL);
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static DEVICE_ATTR(fka_period, S_IRUGO, qedf_fka_period_show, NULL);
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struct device_attribute *qedf_host_attrs[] = {
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&dev_attr_fcoe_mac,
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&dev_attr_fka_period,
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NULL,
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};
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extern const struct qed_fcoe_ops *qed_ops;
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inline bool qedf_is_vport(struct qedf_ctx *qedf)
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{
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return (!(qedf->lport->vport == NULL));
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}
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/* Get base qedf for physical port from vport */
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static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
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{
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struct fc_lport *lport;
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struct fc_lport *base_lport;
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if (!(qedf_is_vport(qedf)))
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return NULL;
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lport = qedf->lport;
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base_lport = shost_priv(vport_to_shost(lport->vport));
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return (struct qedf_ctx *)(lport_priv(base_lport));
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}
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void qedf_capture_grc_dump(struct qedf_ctx *qedf)
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{
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struct qedf_ctx *base_qedf;
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