forked from luck/tmp_suning_uos_patched
ace7f46ba5
The QLogic FastLinQ Driver for iSCSI (qedi) is the iSCSI specific module for 41000 Series Converged Network Adapters by QLogic. This patch consists of following changes: - MAINTAINERS Makefile and Kconfig changes for qedi, - PCI driver registration, - iSCSI host level initialization, - Debugfs and log level infrastructure. The following indiviual changes are merged into this commit: qedi: Add LL2 iSCSI interface for offload iSCSI. qedi: Add support for iSCSI session management. qedi: Add support for data path. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com> Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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* QLogic iSCSI Offload Driver
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* Copyright (c) 2016 Cavium Inc.
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*
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* This software is available under the terms of the GNU General Public License
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* (GPL) Version 2, available from the file COPYING in the main directory of
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* this source tree.
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*/
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#include "qedi.h"
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#include "qedi_gbl.h"
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#include "qedi_iscsi.h"
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#include "qedi_dbg.h"
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static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev)
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{
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struct Scsi_Host *shost = class_to_shost(dev);
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return iscsi_host_priv(shost);
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}
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static ssize_t qedi_show_port_state(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
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if (atomic_read(&qedi->link_state) == QEDI_LINK_UP)
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return sprintf(buf, "Online\n");
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else
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return sprintf(buf, "Linkdown\n");
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}
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static ssize_t qedi_show_speed(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qedi_ctx *qedi = qedi_dev_to_hba(dev);
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struct qed_link_output if_link;
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qedi_ops->common->get_link(qedi->cdev, &if_link);
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return sprintf(buf, "%d Gbit\n", if_link.speed / 1000);
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}
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static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL);
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static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL);
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struct device_attribute *qedi_shost_attrs[] = {
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&dev_attr_port_state,
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&dev_attr_speed,
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NULL
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};
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