linux/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c

/*
 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed 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, or the
 * BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#include <linux/init.h>
#include <linux/errno.h>

#include <rdma/ib_user_verbs.h>
#include <rdma/ib_addr.h>

#include "usnic_common_util.h"
#include "usnic_ib.h"
#include "usnic_ib_qp_grp.h"
#include "usnic_vnic.h"
#include "usnic_ib_verbs.h"
#include "usnic_ib_sysfs.h"
#include "usnic_log.h"

static ssize_t board_id_show(struct device *device,
			     struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(board_id);

/*
 * Report the configuration for this PF
 */
static ssize_t
config_show(struct device *device, struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(config);

static ssize_t
iface_show(struct device *device, struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(iface);

static ssize_t
max_vf_show(struct device *device, struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(max_vf);

static ssize_t
qp_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(qp_per_vf);

static ssize_t
cq_per_vf_show(struct device *device, struct device_attribute *attr, char *buf)
{ … }
static DEVICE_ATTR_RO(cq_per_vf);

static struct attribute *usnic_class_attributes[] = …;

const struct attribute_group usnic_attr_group = …;

struct qpn_attribute { … };

/*
 * Definitions for supporting QPN entries in sysfs
 */
static ssize_t
usnic_ib_qpn_attr_show(struct kobject *kobj, struct attribute *attr, char *buf)
{ … }

static const struct sysfs_ops usnic_ib_qpn_sysfs_ops = …;

#define QPN_ATTR_RO(NAME) …

static ssize_t context_show(struct usnic_ib_qp_grp *qp_grp, char *buf)
{ … }

static ssize_t summary_show(struct usnic_ib_qp_grp *qp_grp, char *buf)
{ … }

static QPN_ATTR_RO(context);
static QPN_ATTR_RO(summary);

static struct attribute *usnic_ib_qpn_default_attrs[] = …;
ATTRIBUTE_GROUPS(…);

static struct kobj_type usnic_ib_qpn_type = …;

int usnic_ib_sysfs_register_usdev(struct usnic_ib_dev *us_ibdev)
{ … }

void usnic_ib_sysfs_unregister_usdev(struct usnic_ib_dev *us_ibdev)
{ … }

void usnic_ib_sysfs_qpn_add(struct usnic_ib_qp_grp *qp_grp)
{ … }

void usnic_ib_sysfs_qpn_remove(struct usnic_ib_qp_grp *qp_grp)
{ … }